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EP3456211B1 - Dispositif de montage d'au moins un doigt - Google Patents

Dispositif de montage d'au moins un doigt Download PDF

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Publication number
EP3456211B1
EP3456211B1 EP18193772.3A EP18193772A EP3456211B1 EP 3456211 B1 EP3456211 B1 EP 3456211B1 EP 18193772 A EP18193772 A EP 18193772A EP 3456211 B1 EP3456211 B1 EP 3456211B1
Authority
EP
European Patent Office
Prior art keywords
finger
finger holder
holder
joint
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18193772.3A
Other languages
German (de)
English (en)
Other versions
EP3456211A2 (fr
EP3456211A3 (fr
Inventor
Ronny Buseck
Dirk Zeuner
Michael Lüneburg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to PL18193772T priority Critical patent/PL3456211T3/pl
Publication of EP3456211A2 publication Critical patent/EP3456211A2/fr
Publication of EP3456211A3 publication Critical patent/EP3456211A3/fr
Application granted granted Critical
Publication of EP3456211B1 publication Critical patent/EP3456211B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0229—Filter rod forming processes
    • A24D3/0233—Filter rod forming processes by means of a garniture
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A24C5/1807—Forming the rod with compressing means, e.g. garniture

Definitions

  • the invention relates to a device for holding a finger arrangement for guiding and shaping a rod in the tobacco processing industry, with a support element, a finger holder, which is arranged on the support element, and a fastening device which is designed for detachably fastening a finger arrangement on the finger holder, wherein two spaced-apart swivel arms, each articulated with a first end via a joint on the support element and with a second end via a joint on the finger holder, are provided for swiveling the finger holder between a working position and a parking position.
  • Such a device is from EP 2 574 246 A2 known, which forms the closest prior art, from which the present invention starts.
  • This prior art describes a device for the production of filters in the tobacco processing industry with at least one finger for guiding and shaping a filter tow strand and a holder for holding the at least one finger.
  • the holder has a pivoting device, by means of which the holder can be pivoted between a working position and a waiting position is.
  • At least one of the fingers is attached to a module associated with the mount.
  • the holder has a module mount with a quick-acting attachment device, by means of which the module is detachably attached to the module mount.
  • a strand of filter tow is pulled from a bale, prepared by stretching and treatment with plasticizers and delivered in a desired shape and consistency for further processing, in order to produce a filter strand from the strand of filter tow prepared in this way by wrapping it with a strip of wrapping material, which finally becomes filter rods for tobacco articles processing industry such as filter cigarettes in particular.
  • a so-called format is provided, through which a format belt is guided for transporting the casing material together with the filter tow strand and for folding the casing material around the filter tow strand.
  • Such a finger is a cone-shaped element with a guide channel for the filter tow strand with a cross-section that narrows in the transport direction of the filter tow strand and thus in its longitudinal direction. Due to the narrowing of the cross section, the filter tow strand is continuously gathered and compressed during its transport by the finger in a direction transverse to its longitudinal extension and thus to its transport direction.
  • a single finger or a plurality of fingers arranged one behind the other in a suitable manner, in particular cranked can be provided as the finger arrangement.
  • the last finger in the direction of transport gathers the strand of filter tow together at least until it has approximately the predetermined cross section for a filter or filter rod.
  • the fingers are open at the ends.
  • an opening on the jacket side can be provided in the form of a slot, which extends from the opening located downstream, viewed in the direction of transport of the strand, in the direction of the opening located upstream or up to this opening.
  • the finger is given a trough or trough shape through the shell-side opening.
  • the filter tow strand is gripped by the format tape or by the wrapping material lying on the format tape.
  • At least one section of the finger is arranged directly above the format tape, with at least part of the finger being able to come into direct contact with the format tape on the casing side. If several fingers are arranged one behind the other, at least the last finger located downstream is provided with such an elongated opening on the jacket side.
  • the finger arrangement can also be pivoted into a parking position, which is preferably located above the working position.
  • the parking position is used in particular for setting up and maintaining the generic device and the finger arrangement. Due to the ability to pivot between the working position and the parking position, the device can be adapted to different format requirements and the configurations of the finger arrangement that are specifically necessary for this.
  • the arrangement of the fingers in the parking position can be examined particularly easily for signs of wear and/or dirt; Soiling can occur, for example, due to the glue applied to the wrapping material when it is deflected on the format tape.
  • flexport modules with different requirements for the pivoting kinematics of the finger holder are preferably used for different product specifications. This has hitherto been realized by assembly variants of the finger holder, so that whenever the product specification is changed, the finger holder previously used has to be replaced with a different type of finger holder and this finger holder then has to be adjusted in a complex manner.
  • a device for holding a finger arrangement for guiding and shaping a rod in the tobacco processing industry with a support element, a finger holder which is arranged on the support element, and a fastening device which is designed for detachably fastening a finger arrangement on the finger holder , wherein two spaced-apart swivel arms, each articulated with a first end via a joint on the support element and with a second end via a joint on the finger holder, are provided for pivoting the finger holder between a working position and a parking position, characterized in that at least one joint has at least one Pivot arm is arranged on the support element and/or on the finger holder and/or on the pivot arm so that its position can be changed so that, depending on the position of the at least one position-changeable joint, the finger holder can be moved from the working position to one of at least two different P arc positions can be pivoted.
  • a pivoting kinematic is used which is based on a so-called four-bar linkage.
  • the use of a four-bar linkage is already known in principle and is shown, for example, in the prior art mentioned at the outset, but the arrangement disclosed there of two spaced-apart swivel arms is designed as a parallelogram with joints stationarily positioned on the support element and on the finger holder.
  • a universal finger holder with at least two pivoting kinematics to choose from can be implemented with the aid of the invention, which is of considerable advantage in particular in terms of space for the use and attachment of different format and flexport-specific finger holders.
  • the at least one position-variable joint according to the invention can also be arranged in such a position, among other things, that the two swivel arms can assume the arrangement of a parallelogram.
  • finger arrangement means both an embodiment with only a single finger and an embodiment with a plurality of fingers lying one behind the other.
  • the finger described above can be used not only for guiding and shaping filter tow rods, but alternatively also for guiding and shaping other types of rods in the tobacco processing industry, such as tobacco rods.
  • the pivoting kinematics required depending on the finger arrangement used in each case can basically already be implemented by changing a single joint point, with the joint of the first pivoting arm preferably being arranged in a variable position only on the support element, which, viewed in the transport direction of the strand to be guided through the finger arrangement, is upstream the second swivel arm.
  • the at least one position-variable joint can preferably be arranged optionally at at least two discrete joint points spaced apart from one another.
  • the hinge point can be changed, for example, by a hinge axis to be moved manually, in that corresponding bores are provided in the support element to form the hinge points, into which the hinge axis to be moved manually can optionally be inserted.
  • an adjustment device which has stepless adjustment means for stepless adjustment of the at least one position-variable joint within an adjustment range and locking means Having locking of the variable-position joint at a desired location within the adjustment range.
  • the stepless adjustment means can form a rotary element mounted so as to be rotatable about an axis of rotation, on which the variable-position joint is arranged eccentrically to the axis of rotation, or a linear and/or curved guide or a cross table adjustment in two axes lying at right angles to one another.
  • the adjusting device has at least one servo drive for actuating the stepless adjusting means.
  • At least one of the two pivoting arms preferably the second pivoting arm located downstream behind the first pivoting arm, viewed in the transport direction of the strand to be guided through the finger arrangement, is arranged in such a way that during a pivoting movement in the transporting direction of the strand to be guided through the finger arrangement Stranges reaches a substantially vertical end position.
  • a four-bar linkage can be implemented with a particularly effective pivoting movement in order to bring the finger holder from the working position to a parking position that is as distant as possible.
  • a stop is preferably to be provided, in particular arranged on the support element, against which, in the working position of the finger holder, at least one of the joints connecting the pivoting arms with the finger holder and/or one side of the finger holder and/or at least one of the two pivoting arms, preferably the viewed in the transport direction of the strand to be guided through the finger arrangement, the second pivot arm located downstream behind the first pivot arm can be brought into contact in order to block a continued pivoting movement of the pivot arms beyond an end position corresponding to the working position of the finger holder.
  • This design enables the working position to be reached in a defined position in a simple and at the same time precise manner in order to achieve a precise and defined orientation of the finger arrangement in the transport path of the strand and in relation to the downstream format.
  • a locking device can expediently be provided which is designed to lock the finger holder in the working position and/or in a parking position in order to prevent the finger holder from being unintentionally released from the working position or the respective parking position.
  • the locking device has a double lever which is pivotably mounted on the finger holder and has a first lever arm and a second lever arm, the first lever arm being designed with a first engagement element which is designed for engagement with a first counter-element arranged in a spatially fixed manner, preferably on the support element in order to lock the finger holder in the working position, and the second lever arm is provided with a second engagement element which, depending on the position of the at least one position-variable joint, can be used for engagement with a second counter-element arranged in a spatially fixed manner, preferably on the support element, or with at least one further spatially fixed element, further counter-element is preferably formed on the support element, arranged at a distance from the second counter-element, in order to lock the finger holder in one of at least two parking positions.
  • This design enables a particularly simple design for realizing the locking device, since the double lever provides a component that locks the finger holder both in the working position and in a parking position, and thus
  • the first lever arm is preferably oriented essentially in a direction opposite to the transport direction of the strand to be guided through the finger arrangement and the second lever arm of the double lever is oriented essentially in the transport direction of the strand to be guided through the finger arrangement.
  • the first engagement element can expediently be designed in such a way that it engages with the first counter-element when the finger holder is pivoted into the working position and disengages from the first counter-element when the finger holder is pivoted out of the working position
  • the second engagement element can be designed in such a way that that it engages the corresponding second or when pivoting the finger holder in a parking position further counter-element and when pivoting the finger holder into the working position disengaged from the second or further counter-element.
  • a spring element should preferably be provided, which connects the double lever to the finger holder in such a way that, when the finger holder is in the working position, it moves the first lever arm in the direction of the first counter-element and, when the finger holder is in a parked position, pushes the second lever arm of the double lever in the direction of the second or further counter-element equally biased.
  • the engagement elements are preferably in the form of a latch and the counter-elements are preferably in the form of a latch pin on which the corresponding latch can be latched, with the latch of the first engagement element pointing in the direction of the working position of the finger holder and the latch of the second engagement element in the opposite direction direction is oriented.
  • the first engagement element designed as a latch has an engagement surface which is designed in such a way that during the pivoting movement of the double lever with its first lever arm in the direction of the first counter-element designed as a latch pin, the engagement surface of the latch of the first engagement element initially comes into contact reaches said detent pin and is then increasingly pressed against said detent pin until play-free engagement between the first engagement element and the first mating element is established.
  • a play-free locking of the finger holder in its working position can thus be achieved in a structurally simple but effective manner.
  • An actuating element is preferably provided on the finger holder, which can be moved between a first position, in which it locks the double lever with the first engagement element of the first lever arm in engagement with the first counter-element, and a second position, in which it releases the double lever from the first counter-element is. Accordingly, in its first position, the actuating element prevents an unintentional release of the double lever. In order in turn to prevent an unintentional release of the actuating element from its first position, the actuating element is preferably spring-biased into its first position. For an undisturbed pivoting of the finger holder into one of its parking positions, the actuating element can preferably be designed to be lockable in its second position.
  • the actuating element has a pin which is mounted so that it can move in the longitudinal direction between the first position and the second position and which has a preferably essentially conical shape that tapers in the direction from the second position to the first position and is arranged in such a way that during its movement from the first position to the second position it comes into contact with a section of the double lever and thereby applies a pivoting movement to the double lever, which causes the first engagement element to be released from the first counter-element.
  • the first engagement element of the first lever arm remains in engagement with the first counter-element in order to lock the finger holder in its working position. Even in this operating state, the pin can already be in contact with the double lever.
  • the thickness or the cross-section of the pin increases over its length, preferably steplessly, when the pin is moved from the first position to the second position, its side surface acts as a cam surface, which moves the double lever into a pivoting position in which the first engagement element of the first lever arm is detached from the first counter-element.
  • the first lever element of the double lever is preferably essentially permanently in contact with the pin, ie both in the first position and in the second position.
  • a first known design consists of a screw connection that requires only simple connecting elements and generates a defined clamping force that can be changed and adjusted depending on the dimensioning of the screws; however, the disadvantage is a time-consuming change and the need for a tool.
  • a second known design uses a magnetic connection, which requires smooth parting surfaces and also only a simple construction and enables quick change without tools; detrimental to this
  • the design is that the magnetic force is also limited due to the limited installation space, there is a risk of power loss, in particular due to air gaps, magnetic short circuits and dirt, the release of the finger holder varies depending on the mass and center of gravity, which when changing to a risk of injury and leads in particular to a finger fracture, and the magnetic force increases rapidly when approaching the support element, so that there is also a risk of injury.
  • a third known design uses sliding blocks with an eccentric clamping connection, whereby a high clamping force is generated and is first held on the finger holder when the finger arrangement is released; Disadvantages, however, are the generation of an indefinite and therefore non-reproducible clamping force that is individually dependent on the user, which can cause problems when another user loosens it, the lack of visual recognition of the clamping status and an indefinite lever effect when handling, which in turn leads to a increased risk of injury.
  • the fastening device has at least a first fastening means and a second fastening means which can be brought into releasable fastening engagement with the first fastening means and the first fastening means on a side of the finger holder which faces the finger arrangement when the finger arrangement is fastened to the finger holder and the second Fastening means are provided for formation on or in a section or element which faces the finger holder when the finger arrangement is fastened to the finger holder and is arranged on the finger arrangement, wherein for fastening the finger arrangement to the finger holder one of the first and second fastening means is between an engagement position in which it is in fastening engagement with the other of the first and second fastening means, and a released position in which it is disengaged from the other of the first and second fastening means, b is mounted ewegbar and is resiliently biased into the engaged position by means of a spring element.
  • a new quick-action clamping device can be implemented, the advantage of which is that a non-positive connection is achieved with a defined and reproducible holding force.
  • at least one spring element is used, the resilient prestressing of which leads to a defined, non-positive connection. This is because the spring element generates a defined tensioning force with its springy preload, which is reproducible and can be dimensioned accordingly by adjusting the spring force if necessary.
  • a quick change can be made without tools.
  • the other of the first and second fastening means preferably has an outwardly open recess and one of the first and second fastening means engages behind the recess in its engaged position.
  • the fastening means is, so to speak, sunk into the recess and hooked in there.
  • the recess can preferably have an outwardly narrowed, preferably substantially T-shaped, cross section.
  • the recess forms an outwardly open groove, which is preferably open at least at one end.
  • the fastening means can be easily inserted into the groove through the open end in the manner of a sliding movement, in order to then be wedged there with the aid of the resilient prestressing of the spring element in order to achieve a non-positive connection.
  • one of the first and second fastening means has at least one sliding block with a head that is wider than its remaining section, the head being designed to engage behind the recess in the engaged position.
  • a stop is formed on the finger holder, against which the finger arrangement can be brought into contact when it is fastened to the finger holder. Such a stop brings about a defined positioning of the finger arrangement on the finger holder, which also simplifies the fastening process.
  • one of the first and second fasteners is the first fastener and the other of the first and second fasteners is the second fastener.
  • the other of the first and second fastening means is preferably designed to be stationary.
  • the effective length of the movably mounted fastening means is expediently shorter in the engaged position than in the released position.
  • a clamping arrangement which is pivotably mounted about a joint on the finger holder and is designed to bring one of the first and second fastening means from the engaged position into the released position against the pretension of the spring element.
  • a clamping arrangement is used to release the non-positive connection by being actuated against the spring bias.
  • the clamping arrangement In the released position, there should be at least a small gap between the finger holder and the finger arrangement, which enables a safe change while maintaining the required positioning, with the finger arrangement preferably being arranged hanging on the finger holder. If, on the other hand, the clamping arrangement is released, i.e. no longer actuated, the resilient prestressing of the spring element immediately begins to act again in order to bring the movably mounted fastening means back into their engaged position for holding and fastening the finger arrangement on the finger holder with a defined clamping force.
  • two pivot arms are provided which are spaced apart from one another and are each articulated with a first end via a joint on the support element and with a second end via a joint on the finger holder for pivoting the finger holder between a working position and a parked position, thereby forming one of the two joints provided on the finger holder, via which the swivel arms are articulated to the support element, at the same time also the joint about which the clamping arrangement is pivotably mounted.
  • the clamping arrangement can expediently have a lever which is pivotably mounted on its joint and which is designed to exert a force on one of the first and second fastening means in the direction of the released position with a lever arm.
  • the lever is designed as a double lever, on the other lever arm of which an actuating element is pivotably mounted via a joint, on which a gripping means, in particular a handle bar, is fastened with an adjacent end at a distance from the joint, the actuating element having a curved Has a cam surface with which it is in touching contact with a portion of the finger holder.
  • the cam surface preferably has a substantially part-circular shape, preferably a semi-circular shape, and the joint and the end of the gripping means attached to the actuating element are arranged eccentrically to the center point of the part-circle shape in such a way that the center point of the part-circle shape lies between the joint and the end of the gripping means.
  • the clamping arrangement has the function of an eccentric that can be manually actuated with the aid of a gripping means.
  • the rotational position of the actuating element or the pivoted position of the gripping means can be understood in particular in the clamped state and therefore forms a type of display, as a result of which the clamped state can be reliably identified.
  • a further lever can be advantageous, which, for example, can also be used around existing joints that are used for other purposes and are used in particular for the pivotable mounting of the pivot arms mentioned and can be components of a four-bar linkage. be pivoted.
  • the spring force of the spring element for prestressing the movably mounted fastener is adjustable, so as to adjust the to enable a non-positive connection in adaptation to the finger holder used.
  • a recess can preferably be formed on or in the support element or on or in the finger holder, which is arranged in such a way that it receives the end of a rod, which can be brought into contact with the finger arrangement arranged on the finger holder with a section remote from it, in order to To solve finger assembly from their attachment from the finger holder.
  • the rod is thus used in the manner of a crowbar or a crowbar in order to apply a correspondingly high force to the finger arrangement with the aid of a large leverage effect. It has been found that detaching the finger arrangement from the finger holder can sometimes require a great deal of force, in particular if it is clogged and blocked by gathered and compressed filter tow. Thus, despite these adverse circumstances, this design allows for easy and effective release of the finger assembly from its attachment to the finger holder.
  • a module is therefore proposed which is intended for use in a device for holding a finger arrangement for guiding and shaping a rod in the tobacco processing industry with a support element, a finger holder which is arranged on the support element and a Fastening device for detachable fastening of the finger arrangement is formed on the finger holder, wherein the module is to be arranged detachably between the finger holder and the finger arrangement when the finger arrangement is fastened to the finger holder and is preferably designed in the form of a plate, with an adjustment device which enables the finger arrangement to be adjusted in relation to the finger holder for fastening the finger arrangement to the finger holder, so that the finger arrangement assumes a defined relative position relative to the finger holder that ensures its functionality, and then maintains this adjustment at least for a short time, characterized in that the adjustment device has adjustment means, each of which adjustment means is designed to adjust a degree of freedom or a parameter and can be fixed accordingly after adjustment, wherein the adjusting means are each designed as
  • a defined adjustability and its storage within a format- and flexport-dependent component which is the previously mentioned module, can be implemented.
  • all necessary settings and adjustments can now be made on the module. Due to the ability to store, the specific settings and adjustments made are reproducible and can preferably be verified using scales and markings. After specific settings and adjustments have been made once, further adjustment work can advantageously be dispensed with for each subsequent change between product specifications and flex ports.
  • this embodiment according to the invention offers an uncomplicated and therefore simple and quick change between different finger arrangements.
  • the kinematics of the finger are reproducible, format-independent, flexport-independent, non-adjustable and reproducibly mountable.
  • the adjusting device is preferably designed for adjusting at least two different degrees of freedom and/or parameters independently of one another.
  • the adjusting device has adjusting means, of which each adjusting means is designed to adjust a degree of freedom or a parameter and can be correspondingly fixed after adjustment, preferably by clamping.
  • the adjusting means are each designed as a preferably plate-shaped intermediate element that can be arranged interchangeably between the module and the finger arrangement.
  • the degrees of freedom and/or parameters can be the horizontal strand parallelism and position of the finger arrangement, the vertical inclination of the finger arrangement, the position of the finger arrangement in the transport direction of the strand to be guided through the finger and/or the height of the finger arrangement.
  • the adjustment device can expediently be designed for an adjustment of the finger holder when the module is in a state in which it is fastened to the finger holder.
  • at least one adjustment means should preferably be provided on a section that is accessible when arranged between the finger holder and the finger arrangement.
  • a first side facing the finger holder when the module is arranged on the finger holder has uniform interfaces of a first type and a second side facing the finger arrangement when the finger arrangement is arranged on the module has specific interfaces for a specific interface to be used depending on the desired application Finger arrangement provided, wherein the interfaces of the first type are connected to the specific interfaces.
  • the interfaces can preferably have air passages or air ducts.
  • the module according to the invention can preferably have at least one recess in which at least one fastening means to be provided on the finger holder can be arranged when the module is arranged between the finger arrangement and the finger holder, in order to securely fasten the finger arrangement on the finger holder in a simple and space-saving manner with the help of the module to guarantee.
  • the device relevant to the invention of a filter rod machine for producing filters for cigarettes is shown schematically.
  • the figures contain the elements required in each case for understanding the embodiment according to the invention, in part completely and in part in detail.
  • the components of the filter rod machine that are customary for a person skilled in the tobacco processing industry, such as format and format belt, are not shown in the figures in the interest of a better overview.
  • identical or similar elements or components or corresponding parts are identified in the figures with the same reference symbols, so that they are not discussed again in each case.
  • a finger arrangement 2 is shown, through which a rod of the tobacco processing industry, not shown in the figures, in particular a filter tow rod, is guided and formed.
  • the finger arrangement 2 has several fingers 4, each of which is a cone-shaped element with a guide channel (not shown) for the strand with a cross section that narrows in the direction of transport according to arrow X of the strand and thus in its longitudinal direction. Due to the narrowing of the cross section, the strand is continuously gathered and compressed during its transport by the fingers 4 in a direction transverse to its longitudinal extension and thus to its transport direction.
  • four fingers 4a, 4b, 4c and 4d are arranged one behind the other in a cranked manner.
  • the last finger 4d in the transport direction according to arrow X gathers the strand together at least until it approximately the desired cross-section.
  • the fingers 4a to 4d are each open at the end faces.
  • a jacket-side opening 5 in the form of a slot is formed in the illustrated embodiment on the underside of the fourth finger 4d located last downstream, the third finger 4c located upstream in front of it and also the downstream section of the second finger 4b.
  • the second through fourth fingers 4b through 4d are each given an inverted trough or trough shape through the elongated opening 5 on the shell side.
  • the strand is gripped by a format tape, not shown, or a covering material, also not shown, lying on the format tape.
  • the second to fourth fingers 4b to 4c are to be arranged essentially directly above the format tape, which is not shown.
  • the finger arrangement 2 also has an additional component 6 at the upstream end, which can be a so-called flexport component, for example.
  • the finger arrangement 2 has a holding element 8 on which the fingers 4 and the additional component 6 are arranged.
  • the finger arrangement 2 can also be pivoted into a parking position which, in the illustrated embodiment, is located above the working position.
  • the parking position is used in particular for setting up and maintaining the finger arrangement 2. Due to the pivotability between the working position and the parking position, the device can be adapted to different format requirements and the configurations of the finger arrangement 2 that are specifically necessary for this.
  • the finger arrangement 2 can be examined particularly easily in the parking position for signs of wear and/or dirt. It is necessary to examine the finger arrangement 2 regularly so that quality losses due to wear and tear or dirt are kept to a minimum.
  • the finger assembly 2 is shown in a first parking position.
  • the finger assembly 2 can be with its holding element 8 on the underside 10a of a Attach finger holder 10 releasably, which is explained in more detail below.
  • a Attach finger holder 10 releasably, which is explained in more detail below.
  • the finger holder 10 in turn is pivotally mounted on a support element 12, which is arranged in a stationary manner and is preferably fastened to a frame on the machine, which is not shown.
  • first pivoting arm 14 is arranged upstream of the second pivoting arm 16, viewed in the transport direction according to arrow X.
  • the first swivel arm 14 is articulated with a first end via a first joint 18 on the support element 12 and with its opposite second end via a second joint 20 on the finger holder 10 .
  • the second swivel arm 16 is articulated with a first end via a third joint 22 on the support element 12 and with its second end via a fourth joint 24 on the finger holder 10 . Due to the use of four joints 18, 20, 22 and 24, such a pivot bearing is also referred to as a so-called four-bar linkage.
  • the finger holder 10 and thus the finger arrangement 2 arranged thereon can be moved between a working position according to FIGS figures 2 and 3 and a first parking position according to figures 1 and 4 pan. Due to the geometry of the four-bar linkage described above and shown in the figures, the finger arrangement 2 is in its parking position not only above the working position, but also in a slightly upwardly inclined orientation, such as 1 reveals.
  • a first bore 18a is provided, through which a joint pin 18b is inserted, which is part of the first joint 18.
  • the pivot pin 18b is rotatably mounted on the first pivot arm 14, which can be realized, for example, by the first pivot arm 14 also being provided at its first end on the support element side with a corresponding bore, through which the pivot pin 18b also extends.
  • the first pivot arm 14 is provided on the front of the pivot pin 18b with a handle 18c, which also forms part of the first joint 18.
  • the first bore 18a forms a first joint position or a first joint point A.
  • the pivot pin 18b can be pulled out of the first bore 18a, specifically by hand using the handle 18c by an operator.
  • the pivot pin 18b can be inserted into a second bore 19a, which is formed on the support element 12 at a distance from the first bore 18a.
  • This second bore 19a forms a second articulation position or a second articulation point B.
  • a universal finger holder 10 with two different pivoting kinematics can be implemented by repositioning the first pivot pin 18b between the first pivot point A and the second pivot point B, which allows the use and attachment of different format and flex ports, particularly in terms of space -specific finger holder is taken into account.
  • the first joint 18 forms a variable-position joint that can be arranged at two joint points A or B that are spaced apart from one another, in that the two bores 18a and 18b are provided in the support element 12 to form the joint points A and B, into which the Pivot pin 18a can be inserted.
  • an adjustment device not shown in the figures, which has stepless adjustment means for stepless adjustment of the variable-position joint within an adjustment range and locking means for locking the variable-position joint at a desired point within the adjustment range.
  • stepless adjustment means can form a rotary element mounted so as to be rotatable about an axis of rotation, on which the position-variable joint is arranged eccentrically to the axis of rotation, or a linear and/or curved guide or a cross table adjustment in two axes lying at right angles to one another.
  • the adjustment device can preferably have a servo drive for actuating the stepless adjustment means.
  • the third joint 22 is arranged on the support element 12 so that the second pivot arm 16 assumes a vertical orientation in the working position of the finger holder 10 .
  • a stop 26 is provided, against which the fourth joint 24 comes into contact when the finger holder 10 is in its working position, such as in particular Figures 3 and 6 reveal. Additionally or alternatively, it is also conceivable to arrange and design the stop 26 in such a way that the second swivel arm 16 comes into contact with it with its lower end and/or the downstream end 10b of the finger holder 10 .
  • the stop 26 is preferably attached to the support element 12 or is designed as a section of the support element 12 .
  • a locking device 30 is provided which, in particular, Figures 3 , 4 , 6 and 8th shown in detail.
  • the locking device 30 has on the rear side of the finger holder 10 a double lever 32 which is arranged on the finger holder 10 such that it can pivot about a joint 34 .
  • the double lever 32 is divided into a first lever arm 32a, which extends in the direction of transport according to arrow X and is therefore designed as a lever arm located downstream, and a second lever arm 32b, which extends counter to the direction of transport according to arrow X and is therefore designed as a lever arm located upstream.
  • the free end of the first lever arm 32a is designed as a first latch 36 which snaps into place on a first latch pin 38 .
  • the first detent pin 38 is stationary so that the latch 36 snaps into engagement with the first detent pin when the finger holder 10 is in its operative position.
  • the free end of the second lever arm 32b is designed as a second latch 40 which is in latching engagement with a second latching pin 42a when the finger holder 10 is in its first parking position according to FIG Figures 1 to 4 is, or comes into locking engagement with a third locking pin 42b when the finger holder 10 is in its second parking position according to the Figures 5 to 8 located.
  • the locking pins 38, 42a and 42b are arranged in a stationary manner and are preferably attached to a machine frame (not shown) or to the support element 12.
  • the double lever 32 is arranged and designed in such a way that the first lever arm 32a can be pivoted downwards to latch the first latch 36 on the first latch pin 38 to lock the finger holder 10 in the working position and to latch the second latch 40 on the second latch pin 42a or third locking pin 42b, the second lever arm 32b is to be pivoted upwards in order to lock the finger holder 10 in one of the two parking positions mentioned.
  • the second lever arm 32b is to be pivoted upwards in order to lock the finger holder 10 in one of the two parking positions mentioned.
  • Both latches 36, 40 are oriented in the pivoting direction, so that in the view of Figures 3 , 4 , 6 and 8th the first latch 36 is pointing down and the second latch 38 is pointing up.
  • the first latch 36 has an engagement surface 36a which is designed in such a way that during the pivoting movement of the double lever 32 with its first lever arm 32a in the direction of the first latch pin 38 it first comes into contact with the first latch pin 38 and then increasingly against the first locking pin 38 is pressed until a play-free engagement between the first locking pawl 36 and the first locking pin 38 is made and thereby a continued pivoting movement of the double lever 32 is blocked and thus stopped.
  • said engagement surface 36a is preferably not oriented in the tangential direction with respect to the joint 34 and thus in the pivoting direction, but at an angle with respect to this direction.
  • a spring 44 is provided, which is articulated with its one end 44a on the finger holder 10 and with its other end 44b on the second lever arm 32b of the double lever 32.
  • the spring 44 which is designed as a spiral spring in the illustrated embodiment, is arranged above the second lever arm 32b of the double lever 32, like the Figures 3 and 6 can be seen, and clamps the double lever 32 in a pivoting position (according to the Figures 3 and 6 in the clockwise direction), in which the first latch 36 of the first lever arm 32a engages on the first latching pin 38.
  • the first latch 36 In order to release the finger holder 10 for pivoting from the working position into one of the parking positions, the first latch 36 must be released from the first latch pin 38 . This is done in that the first lever arm 32a is pivoted in a direction away from the first locking pin 38 and is thus lifted upwards. This is due to the view of Figures 3 , 4 , 6 and 8th a pivotal movement of the double lever 32 in a counterclockwise direction.
  • the bias of the spring 44 must be overcome accordingly. Therefore, in the illustrated embodiment, an actuating element 46 is provided on the finger holder 10, which has a button-like head 46a and a pin 46b, the diameter of which is smaller than that of the head 46a.
  • the head 46a of the actuating element 46 is arranged on the front side of the finger holder 10, while the pin 46b of the actuating element 46 is guided through a correspondingly formed hole in the finger holder 10 and on the Back of the finger holder 10 protrudes with a free portion on which due to the bias generated by the spring 44, the first lever arm 32a rests with its underside, like the Figures 3 , 4 , 6 and 8th can be seen schematically.
  • the pin 46b of the actuating element 46 is shown only schematically in the figures mentioned, it has a preferably essentially conical shape that tapers towards its free end. Furthermore, the actuating element 46 is mounted on the finger holder 10 with its pin 46b so that it can be moved in the longitudinal direction between a first position and a second position. In the first position of the actuating element 46, the distance of the button 46a from the finger holder 10 is greater than in the second position, so that when viewed from the side of the button 46a, the first position is a "pulled out” position and the second position is a "push in” position.
  • the section of the pin 46b of the actuating element 46 protruding from the rear of the finger holder 10 is exposed to a greater length in the second position than in the first position.
  • the first lever arm 32a of the double lever 32 bears against the tapered part of the exposed section of the pin 46b.
  • the arrangement of the pin 46b and the formation of its tapered part is designed such that when the first lever arm 32a of the double lever 32 rests against the tapered part of the pin 46b of the actuating element 46, the first latch pawl 36 is engaged on the first latch pin 38, like the Figures 3 and 6 reveal.
  • the actuating element 46 is pushed from the first position into the second position, which is done by an operator manually actuating the button-like head 46a of the actuating element 46 by hand, the part of the exposed part that rests on the underside of the first lever arm 32a of the double lever 32 widens Section of the pin 46b due to its conical shape.
  • the side surface of the exposed portion of the spigot 46b acts as a cam surface which activates the double lever 32 in the view of FIG Figures 3 , 4 , 6 and 8th applied with a pivoting movement in a counterclockwise direction, whereby the first latching pawl 36 is released from the first latching element 38 and is moved into a pivoted position in which the first latching pawl 36 is then completely released from the first latching pin 38 .
  • the finger holder 10 is free to move from the working position according to the figures 2 , 3 , 5 and 6 depending on whether the first joint 18 at the first hinge point A according to the Figures 1 to 4 or at the second pivot point B according to the Figures 5 to 8 located, in the first parking position according to figures 1 and 4 or in the second parking position according to the figures 7 and 8th to be pivoted.
  • the actuating element 46 should be spring-biased into its first position by a spring (not shown).
  • the actuating element 46 can preferably be locked in its second position, for which purpose corresponding locking means, which are not shown in the figures, are to be provided.
  • the second latch 40 engages on the second latch pin 42a or on the third latch pin 42b, with the latching being promoted by the spring 44, since this spring 44 supports the second double lever 42b, on which the second latch 40 is formed is resiliently biased in the direction of the second locking pin 42a and the third locking pin 42b.
  • the second latch 40 is designed such that it can be relatively easily automatically released from the respective latching pin 42a or 42b when the finger holder 10 pivots from one of its parked positions into the working position without further auxiliary or actuating means.
  • a fastening device suitable for this purpose is provided.
  • such a fastening device has two (already known) sliding blocks 50 spaced apart in the transport direction according to arrow X, with a peg-shaped body 50a and a head 50b at the free end of the peg-shaped body 50a and opposite this, which is wider, such as in particular the Figures 3 to 8 detect permit.
  • the sliding blocks 50 are mounted with their peg-shaped body 50a in the finger holder 10 and protrude from the underside 10a of the finger holder 10, so that their head 50b is at a distance from the underside 10a of the finger holder 10.
  • two spaced-apart recesses which are open upwards in the direction of the finger holder 10 are incorporated, which in the exemplary embodiment shown each form an upwardly open groove 52 with an upwardly narrowing, essentially T-shaped cross section.
  • the two grooves 52 are oriented in the transport direction according to arrow X and thus in the direction of the longitudinal extension of the finger arrangement 2 and have a greater width in their downstream section, viewed in the transport direction according to arrow X, than in their upstream narrowed section on.
  • An associated sliding block 50 can be inserted into the respective groove 52 with its head 50b through the wider section located downstream.
  • the finger arrangement 2 is then shifted in the transport direction according to arrow X, as a result of which the head 50b of the sliding blocks 50 enters the narrowed section of the grooves 52 and engages behind the narrowed section, which in 9 shown schematically and designated by the reference numeral "52a".
  • the sliding blocks 50 are guided with their peg-shaped body 50a through a bore 54 formed in the underside 10a of the finger holder 10 and are connected to one another via a so-called bridge element 56 .
  • the bridge element 56 has an essentially plate-shaped body which extends in the longitudinal direction of the finger holder 10 and is arranged in an upwardly open recess 58 formed in the finger holder 10 so that it can move in the same direction as the sliding blocks 50 because of the fixed coupling to the sliding blocks 50 is.
  • the so movably mounted sliding blocks 50 are biased by springs 60 in the direction of the underside 10a of the finger holder 10 with their head 50b.
  • the feathers 60 which are designed as spiral springs in the illustrated embodiment, are supported with their according to the view of Figures 9 to 11 upper end on the underside of each section of the bridge element 56 and with her according to the view of Figures 9 to 11 lower end on a bearing element 62, which is arranged in the recess 58 below the bridge element 56 and rests on the bottom 58a of the recess 58.
  • the springs 60 act on the bridge element 56 with a movement away from the bearing element 62 and thus in a direction away from the underside 10a of the finger holder 10, ie in the view of FIG Figures 9 to 11 upwards, whereby because of the fixed coupling to the movable bridge element 56, the sliding blocks 50 are acted upon with their head 50b with the same movement in the direction of the underside 10a of the finger holder 10.
  • this movement generated by the bias of the springs 60 is limited, including screws 64 through the open side of the recess 58 and thus in the view of FIG Figures 9 to 11 are introduced from above into the bearing element 62 and the head 64a of these screws 64 serve as a stop for the bridge element 56 in that the bridge element 56 comes into contact with its upper side 56a on the underside of the edge of the head 64a of these screws 64.
  • the screws 64 By turning the screws 64 accordingly, the height or the spacing of the head 64a serving as a stop can be changed and thus the length of movement or the stroke of the sliding blocks 50 and at the same time the strength of the prestressing of the springs 60 can be adjusted accordingly.
  • the prestress generated by the springs 60 results in the head 50b of the sliding blocks 50 being pressed within the grooves 52 against the narrowed section 52b that projects inwards and delimits the opening or be pulled.
  • the preload generated by the springs 60 thus leads to a non-positive connection with a defined and reproducible holding force in order to fix the finger arrangement 2 on the underside 10a of the finger holder 10 with the aid of the sliding blocks 50 .
  • a clamping arrangement 70 is provided in the exemplary embodiment shown, which in particular 9 as well as in detail in the figures 10 and 11 is shown.
  • the clamping arrangement 70 is arranged above the recess 58 and thus, among other things, also above the bridge element 56 and the sliding blocks 50 coupled to it.
  • the clamping assembly 70 has a double lever 72, which is shown in the view of FIG Figures 1 to 11 is pivotally mounted on an upper portion of the finger holder 10 via a joint 74.
  • the double lever 72 is divided into a first lever arm 72a, which extends in the transport direction according to arrow X and is therefore designed as a downstream lever arm, and a second lever arm 72b, which extends counter to the transport direction according to arrow X and is therefore designed as an upstream lever arm is.
  • the first lever arm 72a of the double lever 72 rests on the head 76a of a screw 76 which is arranged in the upper section of the bridge element 56, so that its head 76a is located on the upper side 56a of the bridge element 56. Since the head 76a of the screw 76 thus forms a stop for the first lever arm 72a of the double lever 72 located above it, the height or the spacing of the head 76a can be adjusted accordingly by turning the screw 76 .
  • An actuating element 78 is arranged on the opposite second lever arm 72b of the double lever 72 and is pivotably mounted via a joint 80 .
  • the actuator 78 has, on its side facing the finger holder 10, a curved cam surface 78a by which the actuator 78 rests on the head 82a of a screw 82 disposed in an upper portion of the finger holder 10, such as that shown in FIG figures 10 and 11 reveal.
  • the lower end 84a of a handle bar 84 is fastened to the actuating element 78 at a distance from the joint 80 and is provided with a handle 84b at its opposite free end.
  • the cam surface 78a has a substantially semi-circular shape, with the joint 80 and the end 84a of the handle bar 84 attached to the actuating element 78 being eccentric to an in
  • the figures not shown circle center of the semicircular shape of the cam surface 78a are arranged so that between the joint 80 and the end 84a of the handle bar 84 is this circle center.
  • the actuating element 78 has the function of an eccentric that can be manually actuated using the handle bar 84 .
  • the height or the spacing of the head 82a of the screw 82 which serves as a stop, can be set accordingly by turning the screw 82 accordingly.
  • the actuating element 78 is shown in a first rotational position in which the clamping arrangement 70 has no effect, in that the handle bar 84 is pivoted into a vertical position upwards or into a position substantially perpendicular to the finger holder 10, as is also the case in FIG Figures 1 to 8 reveal. These positions mentioned are the first position or the rest position.
  • the actuating element 78 is shown in a second position, after which the handle bar 84 away from the double lever 72 of the clamping assembly 70 in the direction of the finger holder 10 and thus in the view of FIG figures 9 and 11 is pivoted to an inclined position to the right.
  • the arrangement and design of the semicircular cam surface 78a which is eccentric to the joint 80 and with which the actuating element 78 is supported on the head 82a of the screw 82, has the result that the joint 80 is able to move away from the screw 82 and thus from the finger holder 10 ( in the view of figures 10 and 11 upwards) so that the second lever arm 72b carrying the joint 80 is subjected to a movement in the same direction. Because of the double-lever arrangement, the first lever arm 72a is subjected to a pivoting movement about the joint 74 in the same pivoting direction.
  • the handle bar 84 in its vertical position or in relation to the finger holder 10 is substantially perpendicular position according to the Figures 1 to 8 and 10 pivoted back, the first lever arm 72a is pivoted in a direction away from the bridge element 56, as a result of which the clamping arrangement 70 becomes ineffective again and, in contrast, the resilient pretensioning of the springs 60 immediately begin to act again in order to clamp the movably mounted sliding blocks 50 back into their position with a defined clamping force to spend intervention position.
  • the joint 74 supporting the double lever 72 of the clamping arrangement 70 is formed by the second joint 20 , via which the first swivel arm 14 is articulated on the finger holder 10 .
  • the joint 74 of the double lever 72 is identical to the second joint 20 of the four-bar linkage.
  • a stop 86 is formed on the finger holder 10, against which the downstream end, viewed in the direction of transport according to arrow X, of the module 90 carrying the holding element 8 of the finger arrangement 2 hits during a sliding movement in the direction of transport according to arrow X for attachment to the finger holder 10 comes into contact, whereby a defined positioning of the finger arrangement 2 can be achieved on the finger holder 10 and the fastening process can be simplified.
  • a recess (not shown in the figures) can be formed, which is arranged in such a way that it receives the end of a rod which, with a section remote from it, rests against the end on the finger holder 10 arranged holding element 8 of the finger assembly 2 can be brought to release the finger assembly 2 from its attachment from the finger holder 10.
  • a rod can be used in the manner of a crowbar or a crowbar in order to apply a correspondingly high force to the finger arrangement 2 with the aid of a large leverage effect generated in this way. It has been found that detaching the finger assembly 2 from the finger holder 10 can sometimes require a great deal of force, particularly when the fingers 4 are clogged and blocked by gathered and compressed strand material.
  • the different specific finger arrangement required for the strand shape requires new specific settings adapted to it.
  • so-called modules are used in the exemplary embodiment shown, on which the settings required for a specific finger arrangement can be made once and then saved, so that depending on the number of different ones to be used Finger arrangements a corresponding number of modules with different settings is to be kept available.
  • such a module 90 is shown as an example, which is designed as a plate-shaped body and is to be fastened to the upper side 8a of the holding element of the finger arrangement 2 .
  • the module 90 is mounted on the underside 10a of the finger holder 10 and then lies between the underside 10a of the finger holder 10 and the top 8a of the holding element 8 of the finger assembly 2, like the figures 1 and 9 schematic reveal.
  • the module then rests with its upper side 90a on the lower side 10a of the finger holder 10 and with its lower side 90b on the upper side 8a of the holding element 8 of the finger arrangement 2 .
  • the module 90 with two adjustment eccentrics 92 which can be operated from the top 90a of the module 90, fixed by clamping screws 93 accessible on the side 90c of the module 90 and are designed to adjust the horizontal strand parallelism and position of the finger arrangement 2
  • three further adjustment eccentrics 94 which are designed to be operated on the side 90c of the module 90 and to adjust the vertical inclination of the finger arrangement 2, and at the downstream end of the module 90, viewed in the transport direction according to arrow X
  • an adjustable stop 96 which can be fixed and is designed to adjust the position of the finger arrangement 2 in the transport direction according to arrow X.
  • a scale can be provided adjacent to the adjustment eccentrics for precise adjustment, as in 12 is shown schematically by the reference numeral "97" adjacent to one of the adjustment cams 94.
  • the adjustment eccentrics 92, 94 can be fixed, in particular by clamping, as is possible, for example, with the clamping screws 93 already mentioned above, which are provided on one side 90c of the module 90 and are therefore also accessible from the outside when the module 90 is in the assembled state which allows the specific settings and adjustments made to be stored and reproduced.
  • the stop 96 is mounted on the body of the module 90 such that it can pivot or slide, its position relative to the body of the module 90 can be adjusted using a screw 96a, and when the finger arrangement 2 is in the mounted state it rests against the stop 86 formed on the finger holder 10, like the figures 1 and 9 reveal.
  • so-called shims 98 can be used between the bottom 90b of the module 90 and the top 8a of the holding element 8 of the finger arrangement 2, in particular around the individual fingers 4a, 4b, 4c and/or 4d to be adjusted in their individual position. how 12 can be seen, the tuning plates 98 are thus provided as thin, platelet-shaped intermediate elements.
  • the module is provided on its upper side 90a with uniform interfaces of a first type which, when the module 90 is arranged on the finger holder, can be coupled with uniform interfaces of a second type provided on the underside 10a of the finger holder 10 (not shown in the figures).
  • Such uniform interfaces include, for example, in 12 air ducts 100 shown on the top 90a of the module 90.
  • the advantage of using uniform interfaces lies in particular in a standardization of the interfaces between the module 90 and the finger holder 10. Accordingly, specific ones not shown in the figures are only on the bottom 90b of the module 90 provide interfaces for a specific finger arrangement to be used depending on the desired application, which are connected within the module 90 with the uniform interfaces of the first type at the top 90a of the module 90.
  • the module 90 is provided with two consecutive elongated grooves open to its upper side 90a, which are the aforementioned grooves 52 through which the sliding blocks 50 extend when the module 90 is fastened to the finger holder 10, to engage behind the narrowed section 52a of the grooves 52.

Landscapes

  • Clamps And Clips (AREA)
  • Table Equipment (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Claims (20)

  1. Dispositif de support d'un ensemble de doigt (2) pour le guidage et le façonnage d'une tige de l'industrie de traitement du tabac,
    avec un élément d'appui (12), un support de doigt (10) qui est disposé sur l'élément d'appui (12), et un système de fixation (50, 52) qui est réalisé pour fixer de manière détachable l'ensemble de doigt (2) sur le support de doigt (10), dans lequel deux bras de pivotement (14, 16) tenus à distance l'un de l'autre et articulés respectivement par une première extrémité par l'intermédiaire d'une articulation (18 ; 22) sur l'élément d'appui (12) et par une seconde extrémité par l'intermédiaire d'une articulation (20, 24) sur le support de doigt (10) sont prévus pour faire pivoter le support de doigt (10) entre une position de travail et une position d'arrêt,
    caractérisé en ce qu'au moins une articulation (18) d'au moins un bras de pivotement (14) est disposée de manière variable en position sur l'élément d'appui (12) et/ou sur le support de doigt et/ou sur le bras de pivotement si bien que selon la position de l'au moins une articulation (18) à position variable, le support de doigt (10) peut être pivoté depuis la position de travail dans une d'au moins deux positions d'arrêt différentes.
  2. Dispositif selon la revendication 1, où le deuxième bras de pivotement (16) est disposé, vu dans la direction de transport (X) de la tige à guider à travers l'ensemble de doigt (2), en aval après le premier bras de pivotement (14),
    où seulement l'articulation (18) du premier bras de pivotement (14) est disposée de manière variable en position sur l'élément d'appui (12).
  3. Dispositif selon la revendication 1 ou 2,
    où l'au moins une articulation (18) à position variable peut être disposée au choix sur au moins deux points d'articulation (A, B) discrets tenus à distance l'un de l'autre.
  4. Dispositif selon la revendication 1 ou 2,
    avec un système d'ajustement qui présente des moyens d'ajustement continu pour l'ajustement continu de l'au moins une articulation à position variable à l'intérieur d'une zone d'ajustement et des moyens de blocage pour bloquer l'articulation à position variable sur un emplacement souhaité à l'intérieur de la zone d'ajustement.
  5. Dispositif selon au moins l'une quelconque des revendications précédentes, avec une butée (26), prévue de préférence sur l'élément d'appui, sur laquelle dans la position de travail du support de doigt (10), au moins une des articulations (24) reliant les bras de pivotement au support de doigt et/ou un côté (10b) du support de doigt (10) et/ou au moins un des deux bras de pivotement, de préférence le deuxième bras de pivotement (16), vu dans la direction de transport de la tige à guider à travers l'ensemble de doigt, se trouvant en aval après le premier bras de pivotement (14) peu(ven)t être amené(s) en appui.
  6. Dispositif selon au moins l'une quelconque des revendications précédentes,
    avec un système de blocage (30) qui est réalisé pour bloquer le support de doigt (10) dans la position de travail et/ou dans une position d'arrêt.
  7. Dispositif selon la revendication 6,
    où le système de blocage (30) présente un double levier (32) monté de manière à pouvoir pivoter sur le support de doigt (10) avec un premier bras de levier (32a) et un second bras de levier (32b), dans lequel le premier bras de levier (32a) est réalisé avec un premier élément de prise (36) qui est réalisé pour une prise avec un premier contre-élément (38) disposé de manière fixe spatialement, de préférence sur l'élément d'appui (12) pour bloquer le support de doigt (10) dans la position de travail, et le second bras de levier (32b) est pourvu d'un deuxième élément de prise (40) qui est réalisé, selon la position de l'au moins une articulation (18) à position variable, pour la prise avec un deuxième contre-élément (42a) disposé de manière fixe spatialement, de préférence sur l'élément d'appui (12) ou au moins avec un autre contre-élément (42b) disposé de manière fixe spatialement, de préférence sur l'élément d'appui (12), à une distance du deuxième contre-élément (42a) pour bloquer le support de doigt (10) dans une d'au moins deux positions d'arrêt,
    où de préférence le premier bras de levier (32a) est orienté sensiblement dans une direction à l'opposé de la direction de transport (X) de la tige à guider à travers l'ensemble de doigt (2) et le second bras de levier (32b) est orienté sensiblement dans la direction de transport (X) de la tige à guider à travers l'ensemble de doigt.
  8. Dispositif selon la revendication 7,
    où le premier élément de prise (36) est réalisé de telle sorte qu'il parvient en prise avec le premier contre-élément (38) lors du pivotement du support de doigt (10) dans la position de travail et hors de prise avec le premier contre-élément (38) lors du pivotement du support de doigt (10) hors de la position de travail, et le deuxième élément de prise (40) est réalisé de telle sorte qu'il parvient en prise avec le deuxième ou l'autre contre-élément (42a ; 42b) correspondant lors du pivotement du support de doigt (10) dans une position d'arrêt et hors de prise avec le deuxième ou l'autre contre-élément (42a ; 42b) lors du pivotement du support de doigt (10) dans la position de travail.
  9. Dispositif selon la revendication 7 ou 8,
    avec un élément de ressort (44) s'engageant de préférence sur le second bras de levier (32b) qui relie de telle manière le double levier (32) au support de doigt (10) qu'il précontraint de la même manière, dans la position de travail du support de doigt (10), le premier bras de levier (32a) en direction du premier contre-élément (38) et, dans une position d'arrêt du support de doigt (10), le second bras de levier (32b) en direction du deuxième ou de l'autre contre-élément (42a ; 42b).
  10. Dispositif selon au moins l'une quelconque des revendications 7 à 9,
    avec un élément d'actionnement (46) prévu sur le support de doigt (10) qui peut être amené entre une première position, dans laquelle il verrouille le double levier (32) avec le premier élément de prise (36) du premier bras de levier (32a) en prise avec le premier contre-élément (38), et une deuxième position, dans laquelle il détache le double levier (32) du premier contre-élément (38).
  11. Dispositif selon la revendication 10,
    où l'élément d'actionnement (46) est précontraint de manière élastique dans sa première position.
  12. Dispositif selon la revendication 10 ou 11,
    où l'élément d'actionnement (46) peut être bloqué dans sa deuxième position.
  13. Dispositif selon au moins l'une quelconque des revendications précédentes, où le système de fixation (50, 52) présente au moins un premier moyen de fixation (50) et un deuxième moyen de fixation (52) pouvant être amené en prise par fixation amovible avec le premier moyen de fixation (50), et le premier moyen de fixation (50) est prévu sur un côté (10a), tourné vers l'ensemble de doigt (2) lors de la fixation de l'ensemble de doigt (2) sur le support de doigt (10), du support de doigt (10) et le deuxième moyen de fixation (52) est prévu pour être réalisé sur ou dans un tronçon ou élément (90) tourné vers le support de doigt (10) lors de la fixation de l'ensemble de doigt (2) sur le support de doigt (10) et disposé sur l'ensemble de doigt (2),
    dans lequel pour la fixation de l'ensemble de doigt (2) sur le support de doigt (10), un parmi les premier et deuxième moyens de fixation (50) est monté de manière à pouvoir être déplacé entre une position de prise, dans laquelle il se trouve en prise par fixation avec l'autre des premier et deuxième moyens de fixation (52), et une position détachée, dans laquelle il est détaché de l'autre des premier et deuxième moyens de fixation (52) et est précontraint de manière élastique dans la position de prise à l'aide d'un élément de ressort (60).
  14. Dispositif selon la revendication 13, où l'un des premier et deuxième moyens de fixation est le premier moyen de fixation (50) et l'autre des premier et deuxième moyens de fixation est le deuxième moyen de fixation (52) .
  15. Dispositif selon la revendication 13 ou 14, où l'autre des premier et deuxième moyens de fixation (52) est réalisé de manière stationnaire.
  16. Dispositif selon au moins l'une quelconque des revendications 13 à 15, où la longueur effective du moyen de fixation (50) monté de manière à pouvoir être déplacé est plus courte dans la position de prise que dans la position détachée.
  17. Module qui est prévu pour être utilisé dans un dispositif de support d'un ensemble de doigt (2) pour le guidage et le façonnage d'une tige de l'industrie de traitement du tabac selon au moins l'une quelconque des revendications précédentes, avec un élément d'appui (12), un support de doigt (10) qui est disposé sur l'élément d'appui (12), et un système de fixation (50, 52) qui est réalisé pour la fixation détachable de l'ensemble de doigt (2) sur le support de doigt (10), dans lequel le module (90) est à disposer de manière détachable entre le support de doigt (10) et l'ensemble de doigt (2) lors de la fixation de l'ensemble de doigt (2) sur le support de doigt (10) et est réalisé de préférence en forme de panneau,
    avec un système d'ajustement qui permet pour une fixation de l'ensemble de doigt (2) sur le support de doigt (10) un ajustement de l'ensemble de doigt (2) par rapport au support de doigt (10) si bien que l'ensemble de doigt (2) adopte une position relative définie assurant son fonctionnement par rapport au support de doigt (10) puis conserve du moins brièvement ledit ajustement,
    caractérisé en ce que le système d'ajustement présente des moyens d'ajustement, dont chaque moyen d'ajustement est réalisé pour l'ajustement d'un degré de liberté ou d'un paramètre et peut être bloqué de manière correspondante après l'ajustement, dans lequel les moyens d'ajustement sont réalisés respectivement en tant qu'élément intermédiaire (98), de préférence en forme de panneau, à disposer de manière interchangeable entre le module (90) et l'ensemble de doigt (2).
  18. Module selon la revendication 17, où le système d'ajustement est réalisé pour un ajustement d'au moins deux degrés de liberté et/ou paramètres différents indépendamment l'un de l'autre.
  19. Module selon la revendication 17 ou 18, avec un premier côté (90a) tourné vers le support de doigt lors de l'agencement du module (90) sur le support de doigt (10) qui est pourvu d'interfaces (100) homogènes d'un premier type, et un deuxième côté (90b) tourné vers l'ensemble de doigt (2) lors de l'agencement de l'ensemble de doigt (2) sur le module (90) qui est pourvu d'interfaces spécifiques pour un ensemble de doigt (2) spécifique à employer en fonction de l'utilisation souhaitée, dans lequel les interfaces (100) du premier type sont reliées aux interfaces spécifiques.
  20. Dispositif de support d'un ensemble de doigt pour le guidage et le façonnage d'une tige de l'industrie de traitement du tabac, avec un élément d'appui (12), un support de doigt (10) qui est disposé sur l'élément d'appui (12), et un système de fixation (50, 52) qui est réalisé pour la fixation détachable de l'ensemble de doigt (2) sur le support de doigt (10), ainsi qu'avec un module (90) selon au moins l'une quelconque des revendications 17 à 19, dans lequel pour la fixation de l'ensemble de doigt (2) sur le support de doigt (10), le module (90) peut être disposé entre l'ensemble de doigt (2) et le support de doigt (10).
EP18193772.3A 2017-09-14 2018-09-11 Dispositif de montage d'au moins un doigt Active EP3456211B1 (fr)

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DE102019107387A1 (de) * 2019-03-22 2020-09-24 Hauni Maschinenbau Gmbh Vorrichtung zum Herstellen eines Filterstrangs der Tabak verarbeitenden Industrie
KR20240034744A (ko) * 2021-07-09 2024-03-14 필립모리스 프로덕츠 에스.에이. 집합 어셈블리

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Publication number Publication date
EP3456211A2 (fr) 2019-03-20
PL3456211T3 (pl) 2022-07-04
CN109497608B (zh) 2022-06-24
DE102017121306A1 (de) 2019-03-14
CN109497608A (zh) 2019-03-22
EP3456211A3 (fr) 2019-04-17

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