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EP1038065B1 - Dispositif de transfert - Google Patents

Dispositif de transfert Download PDF

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Publication number
EP1038065B1
EP1038065B1 EP99927944A EP99927944A EP1038065B1 EP 1038065 B1 EP1038065 B1 EP 1038065B1 EP 99927944 A EP99927944 A EP 99927944A EP 99927944 A EP99927944 A EP 99927944A EP 1038065 B1 EP1038065 B1 EP 1038065B1
Authority
EP
European Patent Office
Prior art keywords
hose
transfer apparatus
web
guide element
spiral
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.)
Expired - Lifetime
Application number
EP99927944A
Other languages
German (de)
English (en)
Other versions
EP1038065A1 (fr
Inventor
Wolf Gunter Stotz
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.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent 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
Application filed by Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1038065A1 publication Critical patent/EP1038065A1/fr
Application granted granted Critical
Publication of EP1038065B1 publication Critical patent/EP1038065B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0063—Devices for threading a web tail through a paper-making machine
    • D21G9/0072—Devices for threading a web tail through a paper-making machine using at least one rope
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs

Definitions

  • the invention relates to a device for transferring a threading strip or a material web inside a manufacturing machine and / or processing the material web by one Takeover area along in a transfer area a web path according to the preamble of the claims 1 and 18.
  • the device is inside a machine for manufacturing and / or processing a material web, for example paper or cardboard web, used and serves the Transfer of the material web or one separated from this, also as a threading strip designated strip from a takeover area in a transfer area.
  • the threading strip becomes machine or after a web break or the entire web of material Width along one by guide and / or Treatment facilities predetermined path guided. This process is also known as threading.
  • the known device comprises a Rope guide with two ropes at the beginning of the Rope guidance to each other in a so-called rope shear converge.
  • a device with the features of claim 1 proposed.
  • This. comprises at least one flexible guide element, for example rope, ribbon, chain or the like, that with the help of a drive device from one Takeover area along in a transfer area a web path is shiftable.
  • web path understood the distance through the manufacturing and / or machining process the material web or by guiding and / or treatment facilities is.
  • the threading strip / the material web is for example over rollers, through roller presses, over device areas, over / through treatment facilities, over / through measuring devices and / or on tapes led, the arrangement within the machine the Determine or define web path.
  • the transfer device is characterized by this from that on the at least one guide element, preferably rope, at least one with a vacuum pressurized hose is attached, through which the threading strip / the material web the path of the web can be led out.
  • the course of the Hose is parallel or essentially parallel to that of the at least one guide element.
  • the guide element and the hose are on one Winding drum rotatable about its longitudinal axis, the take-up drum on its outer jacket with at least one spiral Bridge is provided. Because of this configuration can the guide element and the Hose evenly onto the take-up drum evenly be wound up. An overlap of the turns of the hose and that of the guide element, resulting in a tangle or knot can practically be excluded.
  • the hose can be wound up in the hose Threading strips / material web safely through the hose can be drained without it inside of the hose to run up and jam the train comes, which clogs the Hose can lead.
  • the transfer device exhibits a high level of functional reliability even at high levels Machine speeds up.
  • An embodiment is particularly preferred the transfer device, which is characterized by that two at a distance and parallel mutually extending guide elements, preferably Ropes are provided, to which the hose arranged in parallel or substantially in parallel or guided and on which the hose held by means of several hose fastening elements is.
  • This ensures that the flexible, preferably made of a flexible material existing hose possible, so that a uniform, overlap-free winding of the Hose and the guide elements on the winding drum even with a rapid relocation of the Guaranteed guiding elements at high speed can be.
  • the wound hose in the space between two turns (i.e. the left one and right flank of the spiral winding) of the am The outer jacket of the web provided for the winding drum is arranged and that preferably by 180 ° over the circumferential area of the hose to each other staggered guide elements on the Top and / or on the flanks of the web on each a web turn.
  • the task is also accomplished by a transfer device solved with the features of claim 18.
  • This is characterized in that the guide element and the at least one with a vacuum actable, parallel or essentially running parallel to the guide element Hose that is attached to the guide element and through which the threading strip / the material web out of the web path, for example laterally can be on a winding element are wound, the one formed by a spiral Body, with the spiral around her Longitudinal axis is rotatable.
  • the winding element draws particularly easy and thus inexpensive construction.
  • An embodiment of the transfer device is preferred, where the one wound on the spiral Hose in the space between two Turns of the spiral is arranged.
  • the hose between two at a distance and parallel guide elements, preferably ropes, arranged and on which the Hose using several hose fastening elements is held.
  • the coiled up on the spiral Sections of the guide elements lie on the outside and / or a flank of the Winding of the spiral, so that the intermediate Hose into the space between them Protrudes and there through the guide elements is held.
  • the device described below is general for transferring a threading strip or a material web within a machine Production and / or processing of the material web used.
  • the material web for example paper, Cardboard, textile web, plastic film, fleece, non-woven, is manufactured in the machine and / or processed.
  • the following is purely exemplary assumed that this is a paper machine acts in which a paper web is produced and processed. Under "Processing" in Connection with a paper web, for example finishing, coating, printing, Brush or the like understood.
  • Figure 1 shows a schematic diagram of a Embodiment of a device 1 within a paper machine is arranged and Transfer one in the following generally as a material web 3 designated paper web by one Transfer area 5 into a transfer area 7 along of a web path. Under web path is carried out by management and / or treatment facilities, for example rollers or device surfaces, predetermined running distance of the material web 3 Roger that.
  • a processing station not shown 9, for example a coating machine, arranged.
  • the processing station 9 is at this Embodiment a pressing device 11 -in Upstream of the direction of travel (arrow 13) of the material web 3 and a drying group 15 downstream, of which only a first drying cylinder in FIG.
  • the press device is here is a means of transport 19 immediately downstream, the at least one suction belt known per se 21 includes.
  • the material web 3 via preferably drivable Web guide rollers 23 through the below the foundation 25 cellars 27 of the paper machine. to the processing station arranged above the foundation 25 9 led.
  • a finishing unit 29 becomes a coating medium on the Material web applied.
  • the material web 3 upwards - not shown - other, known facilities of the processing station 9, for example an air pressure and / or Infrared dryer and possibly other Drying and coating equipment supplied.
  • the material web 3 is finally in Transfer area 7 of a suction belt comprising here Takeover device 31 taken over and in the closing nip between the drying cylinder 7 and a conveyor belt 33 of the drying group 15 led.
  • the material web in the between the takeover area 5 and the Transfer area 7 lying part of the machine in guided free moves, that is, the material web 3 is not from a conveyor / support belt or the like supported.
  • the transfer device 1 includes this Embodiment two at a distance and in parallel mutually extending guide elements, by those in Figure 1 only the guide element 35 with dashed Line in the basement 27 is shown.
  • the flexible guide elements are preferably from Ropes, tapes, chains or the like are formed.
  • the guide elements can be made of metal or a preferably high-strength and heat-resistant plastic, preferably Kevlar.
  • the Guide elements here are formed by ropes 37. As can be seen from the illustration in FIG. 1, the ropes 37 are connected to an "endless" loop, what follows in more detail with reference to Figure 2 is received.
  • the closed rope loop is partly over pulleys 39 and along the Web path, for example, via loose rope sheaves, that sit on the guide roller journals, about the same Web guide rolls through the same facilities the processing station (dryer, press equipment, Finishing unit 29) performed on the or through which the material web 3 to be led.
  • the ropes 37 are by means of a drive device 41 either in the direction of the path and can be moved in the opposite direction.
  • the in Basement 27 arranged drive device 41 comprises here one with a drive and braking torque Traction sheave 43, as for example is used in elevator construction with at least one of the ropes 37, preferably with both Ropes, interacts.
  • the drive device 41 is preferably designed such that both the Direction of displacement of the guide elements as well whose displacement speed can be varied.
  • the ropes 37 can preferably be at a standstill out in both directions with desired acceleration to a given speed be moved.
  • each of the ropes 44 is a rope tensioning device for each of the ropes 44 provided, each three Include pulleys over the circumference of the ropes 37 are carried out in some areas.
  • Deflection pulley of the cable tensioning devices 44 hangs a weight that one, also known as a tension pulley Deflection pulley - as indicated by arrows - pulls vertically downwards and thus the ropes 37 clamp independently.
  • a tension pulley Deflection pulley - as indicated by arrows - pulls vertically downwards and thus the ropes 37 clamp independently.
  • a flexible hose 45 is attached, which means several hose fastening elements 47 between the ropes running parallel to each other 37 arranged and held on this.
  • the Hose 45 runs parallel, but at least in essentially parallel to the ropes 37 free end of the hose 45 is a recording head 49 provided in two positions in FIG is shown, namely in the takeover area 5 for Takeover of the threading strip / the material web from the selected means of transport 19 and in the transfer area 7, in which the strip / web to the Transfer device 31 is transferred.
  • the intake head 49 has such an opening designed that when transferring over a Web guide roller or the like its outer contour adjusts as shown in the transfer area 7 Position visible.
  • the hose 45 is together with the ropes 37 on a purely exemplary here winding drum located in the basement 27 51, preferably completely, can be wound up Structure described below with reference to Figure 2 becomes.
  • the other is the Recording head 49 facing away from the end of the hose 45 connected to a tubular connecting part 53, this in turn with a vacuum source, not shown is connected so that the hose 45 can be subjected to a negative pressure.
  • the function of the hose 45 is explained below of a transfer process described in more detail. In the following it is assumed as an example that only one separated from the material web 3 Threading strips from takeover to Transfer area is transferred.
  • the hose 45 the while the machine is running preferably completely, but at least so far is wound on the winding drum 51 that the normal operation of the machine bothers when starting up the machine or a web break by driving the ropes 37 in relocated the takeover area 5. This process is done manually or by an appropriate control the drive device 41 triggered.
  • the from Transport means 19 expiring threading strips by applying a pressure to the hose Vacuum sucked in and through all the way through to the connector 53 led.
  • the transport respectively guide the threading strip the air flow inside the hose causes or supported.
  • the connecting part 53 is a post-processing facility, in which the threading strip is caught, for example and / or crushed or a recycling plant or the like is supplied.
  • the threading strip is caught, for example and / or crushed or a recycling plant or the like is supplied.
  • the rate of displacement of the hose respectively that of the guide elements 35 during the transfer process is smaller, preferably significantly lower than the running speed of the Material web that corresponds to the machine speed Corresponds to the time of the threading process.
  • the means the transfer speed of the threading strip is significantly lower than the machine speed, so that the threading strip is secure can be transferred.
  • the threading strip or the entire material web with, for example, 2000 m / min is fed through the paper machine while the Transfer speed of the threading strip for example, is only 300 m / min. Because the threading strip picked up by the hose 45 and the preferably led out of the web path Part of the threading strip through hose 45 is carried out is a slow and safe transfer of the threading strip from the takeover to the Transfer area possible without having to during the transfer process the machine speed is reduced must become. By removing the in the Tube of the part of the threading strip sucked in, which is not led to the transfer area, the threading strip will run onto the Recording head 49 due to the speed difference between the running speed of the material web and hose transfer speed avoided. The longitudinal stretch of the strip can, as I said, by vacuuming the hose on one desired value can be kept.
  • FIG. 2 shows a section of that shown in Figure 1 Transfer device, namely a Part of the take-up drum 51.
  • the winding drum 51 has on its outer jacket 55 a spiral web 57 on, which is incorporated into the outer jacket 55 or is attached to the outer jacket.
  • the web 57 is machined from a solid material or on the drum-shaped body of the Winding drum 51 wound and fixed to this.
  • each guide element 35 here for the two ropes 37 and 37 ', each a groove-shaped depression 61 or 61 'introduced in the on the winding drum 51 wound part of the ropes 37, 37 '- as can be seen in Figure 2 - partially is included.
  • the ropes 37, 37 ' are at one end at a first end region 63 the take-up drum 51 at a point 65 -in the respective recess 61 or 61 'lying attached to the web 57.
  • the hose and wound the ropes onto the take-up drum 51 the ropes 37, 37 'in the recesses 61 and 61 'and the between the Rope held hose in the space between two turns of the web 57 is guided.
  • the Web height and width is selected here so that the Hose neither on the flanks of the web, nor on Outer jacket of the winding drum 51 is applied.
  • the So hose hangs freely between the turns of the Web.
  • the hose 45 is in the second end region 67 of the Take-up drum 51 with a not shown, penetrating the jacket of the winding drum 51, tubular connecting element connected to the at the other end a tubular compensation line 71 is connected.
  • the preferably one Compensation line with a circular cylindrical cross section 71, for example, a concentric section formed for the connecting element may include points at their free, the Connecting element facing away from a straight end region Line section 73, which in a through opening 75 of the connected to a vacuum source Connecting part 53 engages the one attached to the frame 79 of the machine Base 81 is attached stationary.
  • the passage opening 75 points one to the outer contour of the compensation line adapted cross section.
  • the into the through opening 75 of the connecting part 53 engaging line section of the compensation line 71 is rotatable and in the longitudinal direction slidably held in the through opening.
  • a sealing and bearing bush 83 brought in, both for sealing of the annular gap between the through opening and the compensation line as well as leading the in the Through opening movable part of the compensation line serves.
  • the storage of the take-up drum 51 takes place on the connection side via the compensation line 71.
  • Centering rollers 84 realized that over distributed the circumference of the take-up drum 51 and within the machine is stationary.
  • the Centering rollers 84 run between the web turns or on the bridge turn in the area the take-up drum in which the hose is not is wound up.
  • the take-up drum 51 in the direction of Longitudinal axis 85 designed to be displaceable.
  • the first embodiment provides that the Take-up drum on a not shown in Figure 2, movable carriage rotatably held, the while winding and unwinding the hose 45 is moved evenly.
  • the rotating one Storage of the winding drum 51 takes place here on the one hand via the compensation line 71 and on the other hand either by means of Centering rollers or a bearing journal described above.
  • the take-up drum 51 With a rotary movement the take-up drum 51, which by a Relocation of the respective ropes 37, 37 'by means of of the drive device 41 is generated Depending on the direction of rotation - winding drum in Figure 2 shifted to the left or right that the Control pushes against a flank of the web.
  • the principle of displacement, according to which the take-up drum shifted corresponds to one in one Threaded hole screwed screw, being the bar corresponds to the external thread of the screw and the control the function of the internal thread takes over.
  • the take-up drum 51 is the one shown in FIG Embodiment compared to an imaginary parallel to the seating surface 93 of the chair 79 extending horizontal H by an angle ⁇ inclined, that of the slope of the spiral Corresponds to web. This ensures that the hose and the ropes are routed constantly, here vertically, on the take-up drum run up and down, which is explained in more detail below becomes.
  • the Hose also above the foundation, i.e. inside the machine, wound on the take-up drum can be. This can be done, for example be positioned above the transfer area 7. It should also be noted that the hose 45 both at the first end region 63 and that second end portion 67 of the winding drum 51 attached can be either on the side of the Winding drum, on which this is telescopically into the through opening of the connecting part engaging compensation line stored or on the opposite side.
  • the entire travel of the take-up drum is depending on the length of the hose 45, which is up to Can be 60 m and above and the diameter the winding drum, for example 2 m and the slope of the spiral leading to Example can be 250 mm.
  • the take-up drum is their Length about 3 m, which is also roughly their displacement equivalent.
  • Figure 3 shows a side view of another Embodiment of the winding drum 51, the Design and function of the reference to FIGS. 1 and 2 corresponds to the winding drum explained. This also has one on its outer jacket 55 spiraling - not shown in Figure 3 - Footbridge. The following is therefore only on the storage of the winding drum 51 closer received.
  • the take-up drum 51 is on its suction connection facing - in Figure 3 right side the compensation line 71 stored in the Through opening of the not shown in Figure 3, connecting part connected to the vacuum source intervenes.
  • the compensation line 71 is in a bearing bore of a first bearing support 93 rotatably held by means of several only with fasteners indicated with dots 95, here screws, on side members 97 and 97 'is laterally attached.
  • the parallel and spaced apart longitudinal members 97, 97 ' which is a carriage for the take-up drum 51 form, is in the representation according to Figure 3 shows only the longitudinal beam 97.
  • the winding drum 51 On the other end facing away from the suction connection the winding drum 51, this is via an in a bearing bore of a second bearing support 99 pivot bearing 101 mounted.
  • the second bearing support 99 is also on the side by means of fasteners 95 on the side members 97, 97 'attached.
  • the longitudinal beams 97, 97 ' are each on one Sliding guide 103 or 103 'in the direction displaceable along its longitudinal axis, of which in figure 3 only the sliding guide 103 can be seen. How 3 shows the sliding guide 103 on a horizontal floor 105, for example the floor of the machine, arranged and opposite this inclined by an angle ⁇ , the amount of which Incline of the on the outer surface of the winding drum intended spiral web corresponds.
  • this is also from a roll 89 formed control element 87 shown in the Space between two turns of the in Figure 3 engages not shown spiral bridge and with a flank of the web cooperates.
  • the one Bracket, bracket or the like formed suspension 91, at the free end of the roller 89 rotatable is attached is opposite to the horizontal extending floor 105 inclined and in respectively attached to this, for example poured. If the ropes 37, 37 'are shifted by means of the drive device, not shown in Figure 3 the winding drum 51 um their longitudinal axis 85 rotated, which, depending on the direction of rotation, the hose 45 onto the outer jacket 55 the winding drum 51 is wound or unwound becomes.
  • FIG. 4 shows a front view of the one in FIG. 3 shown winding drum. Same parts are provided with the same reference numerals so that refer to the description of Figure 3 becomes.
  • the parallel and at a distance from each other arranged slide guides 103, 103 'on which the longitudinal beams 93 and 93 'are displaceable are constructed identically, so that in the following only the slide guide 103 described in more detail becomes.
  • the side member in this embodiment 97 assigned a support roller 111 which is rotatable on two spaced apart and supports 113 fixed to the floor 105 is.
  • the support roller 111 rolls at one Displacement of the longitudinal beam 97 on its top and presses when the two longitudinal beams formed the Side member 97 against the sliding guide 103.
  • the second side member 97 'to assign a support roller 111, the above bears on the longitudinal beam 97 'and this against Tipping forward secures.
  • the winding drum described with reference to Figures 3 and 4 is - as I said - above the basement arranged on the floor 105 of the machine.
  • the on the winding drum into an endless loop connected ropes 37, 37 'are connected to the section to which the hose is not attached, vertically down or away from the take-up drum led to this and through a slit-shaped, perpendicular to the image plane of FIG. 4 extending opening 113 in the bottom 105 in the Cellar led.
  • Winding drum also one from claim 18 resulting winding element are used, one of them rotatable about its longitudinal axis Spiral formed body includes.
  • the winding element differs from the take-up drum essentially only in that on a Drum is dispensed with and that of the winding drum spiral web directly from a spiral is formed. Because of this configuration a winding element can be realized, which is lighter than one Winding drum with comparable dimensions.
  • the stiffness of the spiral should be long Winding element may not be sufficient, this can for example by means of internal ones, not shown Webs are stiffened. Such a thing Winding element differs from a winding drum then only by instead of of the spiral web directly one Spiral is used.

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  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

L'invention concerne un dispositif pour transférer une bande d'insertion ou une bande de matériau à l'intérieur d'une machine de production et/ou de traitement de ladite bande de matériau, entre une zone de réception et une zone de transfert, le long d'un parcours de déplacement de bande. Ce dispositif présente au moins un élément de guidage pouvant être déplacé au moyen d'une unité d'entraînement. Ce dispositif de transfert est caractérisé en ce qu'au moins un tuyau (45) pouvant être soumis à une dépression et s'étendant parallèlement ou pratiquement parallèlement à l'élément de guidage (35; câble (37, 37')) est placé au niveau de ce dernier, la bande d'insertion/bande de matériau (3) pouvant être extraite du parcours de déplacement de bande au moyen dudit tuyau. Ce dispositif est en outre caractérisé en ce que l'élément de guidage (35; câble (37, 37')) peut être enroulé avec le tuyau (45) sur un tambour d'enroulement (51) pouvant tourner autour de son axe longitudinal (85), et en ce que ce tambour (51) présente au niveau de son enveloppe extérieure (55) au moins une nervure s'étendant de manière hélicoïdale (57).

Claims (34)

  1. Dispositif de transfert d'un ruban d'enfilement ou d'une bande de matériau (3) à l'intérieur d'une machine pour la production et/ou le traitement de la bande de matériau (3), d'une zone de réception (5) dans une zone de transfert (7) le long d'un parcours de la bande, comprenant au moins un élément de guidage (35 ; 37, 37') qui peut être déplacé à l'aide d'un dispositif d'entraínement (41), caractérisé en ce que l'on monte sur l'élément de guidage (35 ; 37, 37') au moins un tuyau souple (45) pouvant être sollicité par une pression négative, s'étendant parallèlement ou essentiellement parallèlement à l'élément de guidage (35 ; 37, 37'), à travers lequel le ruban d'enfilement ou la bande de matériau (3) peut être guidé(e) hors du parcours de la bande, en ce que l'élément de guidage (35 ; 37, 37') peut être enroulé conjointement avec le tuyau souple (45) sur un tambour d'enroulement (51) pouvant tourner autour de son axe longitudinal (85), et en ce que le tambour d'enroulement (51) est pourvu sur son enveloppe extérieure (55) d'au moins une nervure (57) s'étendant en spirale.
  2. Dispositif de transfert selon la revendication 1,
    caractérisé en ce que la nervure (57) est incrustée dans l'enveloppe extérieure (55) du tambour d'enroulement (51) ou est montée sur l'enveloppe extérieure (55).
  3. Dispositif de transfert selon la revendication 1 ou 2, caractérisé en ce que le tuyau souple enroulé (45) est disposé dans l'espace intermédiaire entre deux spires de la nervure (57).
  4. Dispositif de transfert selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on prévoit deux éléments de guidage (35) espacés l'un de l'autre et disposés parallèlement l'un à l'autre, de préférence des câbles, parallèlement auxquels ou essentiellement parallèlement auxquels est guidé le tuyau souple (45) et sur lesquels le tuyau souple (45) est maintenu au moyen de plusieurs éléments de fixation de tuyau souple (47).
  5. Dispositif de transfert selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on prévoit, sur la face supérieure (59) et/ou sur les flancs de la nervure (57) pour chaque élément de guidage (35), un renfoncement (61, 61') en forme de cannelure suivant l'allure en spirale de la nervure (57), dans lequel la partie enroulée de l'élément de guidage (35) est au moins partiellement reçue.
  6. Dispositif de transfert selon l'une quelconque des revendications précédentes, caractérisé en ce que le tambour d'enroulement (51) est déplaçable essentiellement dans la direction de son axe longitudinal (85).
  7. Dispositif de transfert selon la revendication 6,
    caractérisé en ce que le tambour d'enroulement (51) est maintenu à rotation sur un chariot déplaçable (97, 97').
  8. Dispositif de transfert selon l'une quelconque des revendications précédentes, caractérisé en ce que pour le support du tambour d'enroulement (51), on prévoit au moins trois rouleaux de centrage (84) répartis sur sa périphérie et disposés de manière stationnaire à l'intérieur de la machine, lesquels tournent sur la spire de la nervure ou entre deux spires de la nervure, dans la région du tambour d'enroulement (51) sur laquelle le tuyau souple (45) n'est pas enroulé.
  9. Dispositif de transfert selon l'une quelconque des revendications précédentes, caractérisé en ce que dans la région du tambour d'enroulement (45), dans laquelle le tuyau souple (45) n'est pas enroulé, au moins un élément de commande (87) provoquant le mouvement de déplacement du tambour d'enroulement (51) vient en prise dans l'espace intermédiaire entre deux spires de la nervure (57).
  10. Dispositif de transfert selon la revendication 9, caractérisé en ce que l'élément de commande (87) présente une position fixe par rapport au tambour d'enroulement déplaçable (51).
  11. Dispositif de transfert selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de commande (87) est une coulisse, un rouleau (89) ou similaire.
  12. Dispositif de transfert selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de guidage (35) peut être connecté pour former un tuyau souple sans fin, de telle sorte qu'une extrémité de l'élément de guidage (35) soit fixée à une première partie d'extrémité (63) du tambour d'enroulement (51) et que l'autre extrémité soit fixée à l'autre, deuxième, partie d'extrémité (67) du tambour d'enroulement, une extrémité du tuyau souple (45) étant également fixée dans l'un des parties d'extrémité (63 ; 67).
  13. Dispositif de transfert selon l'une quelconque des revendications précédentes, caractérisé en ce que le tuyau souple (45) est connecté à un élément de liaison de forme tubulaire traversant l'enveloppe du tambour d'enroulement (51), à l'autre extrémité duquel est raccordée une conduite de compensation (71) de forme tubulaire.
  14. Dispositif de transfert selon la revendication 13, caractérisé en ce que la partie d'extrémité libre de la conduite de compensation (71) vient en prise dans une ouverture de passage (75) d'une pièce de liaison (53) connectée à une source de pression négative, et est maintenue dans celle-ci de manière mobile en rotation et déplaçable dans la direction longitudinale.
  15. Dispositif de transfert selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif d'entraínement (41) comprend au moins un disque d'entraínement (43) entraínable, qui coopère avec au moins un élément de guidage (35).
  16. Dispositif de transfert selon l'une quelconque des revendications précédentes, caractérisé en ce que la vitesse de déplacement et/ou la direction de déplacement de l'élément de guidage (35) est variable.
  17. Dispositif de transfert selon l'une quelconque des revendications précédentes, caractérisé en ce que la vitesse de déplacement de l'élément de guidage (35), au moins pendant une opération d'enfilage, est inférieure, de préférence nettement inférieure à la vitesse de la machine au moment de l'enfilage.
  18. Dispositif pour transférer un ruban d'enfilement ou une bande de matériau (3) à l'intérieur d'une machine pour la production et/ou le traitement de la bande de matériau (3), d'une zone de réception (5) dans une zone de transfert (7) le long d'un parcours de la bande, comprenant au moins un élément de guidage (35 ; 37, 37') qui peut être déplacé à l'aide d'un dispositif d'entraínement (41), caractérisé en ce que l'on monte sur l'élément de guidage au moins un tuyau souple (45) pouvant être sollicité par une pression négative, s'étendant parallèlement ou essentiellement parallèlement à l'élément de guidage (35 ; 37, 37'), à travers lequel le ruban d'enfilement ou la bande de matériau (3) peut être guidé(e) hors du parcours de la bande, en ce que l'élément de guidage (35 ; 37, 37') peut être enroulé conjointement avec le tuyau souple (45) sur un élément d'enroulement qui comprend un corps formé par une spirale, pouvant tourner autour de son axe longitudinal.
  19. Dispositif de transfert selon la revendication 18, caractérisé en ce que la spirale est renforcée par au moins une nervure qui lui est connectée, et qui est de préférence montée dans sa partie intérieure.
  20. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 ou 19, caractérisé en ce que le tuyau souple enroulé est disposé dans l'espace intermédiaire entre deux spires de la spirale.
  21. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 à 20, caractérisé en ce que l'on prévoit deux éléments de guidage espacés l'un de l'autre et disposés parallèlement l'un à l'autre, de préférence des câbles, parallèlement auxquels ou essentiellement parallèlement auxquels est guidé le tuyau souple et sur lesquels le tuyau souple est maintenu au moyen de plusieurs éléments de fixation de tuyau souple.
  22. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 à 21, caractérisé en ce que l'on prévoit, sur le côté extérieur et/ou sur les flancs de la spirale pour chaque élément de guidage, un renfoncement en forme de cannelure suivant l'allure de la spirale, dans lequel la partie enroulée de l'élément de guidage est au moins partiellement reçue.
  23. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 à 22, caractérisé en ce que la spirale peut être déplacée essentiellement dans la direction de son axe longitudinal.
  24. Dispositif de transfert selon l'une quelconque des' revendications précédentes 18 à 23, caractérisé en ce que la spirale est maintenue mobile en rotation sur un chariot déplaçable (97, 97').
  25. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 à 24, caractérisé en ce que pour le support de la spirale, on prévoit au moins trois rouleaux de centrage répartis sur sa périphérie et disposés de manière stationnaire à l'intérieur de la machine, lesquels tournent sur le coté extérieur de la spirale ou entre deux spires de la spirale, dans la région du tambour d'enroulement sur laquelle le tuyau souple n'est pas enroulé.
  26. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 à 25, caractérisé en ce que dans la région du tambour d'enroulement, dans laquelle le tuyau souple n'est pas enroulé, au moins un élément de commande provoquant le mouvement de déplacement de la spirale vient en prise dans l'espace intermédiaire entre deux spires de la spirale.
  27. Dispositif de transfert selon la revendication 26, caractérisé en ce que l'élément de commande présente une position fixe par rapport à la spirale déplaçable.
  28. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 à 27, caractérisé en ce que l'élément de commande est une coulisse, un rouleau ou similaire.
  29. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 à 28, caractérisé en ce que l'élément de guidage peut être connecté pour former un tuyau souple sans fin, de telle sorte qu'une extrémité de l'élément de guidage soit fixée à une première partie d'extrémité de la spirale et que l'autre extrémité soit fixée à l'autre, deuxième, partie d'extrémité de la spirale, une extrémité du tuyau souple étant également fixée dans l'un des parties d'extrémité.
  30. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 à 29, caractérisé en ce que le tuyau souple est connecté à un élément de liaison de forme tubulaire conduisant à l'intérieur de la spirale, à l'autre extrémité duquel est raccordée une conduite de compensation de forme tubulaire.
  31. Dispositif de transfert selon la revendication 30, caractérisé en ce que la partie d'extrémité libre de la conduite de compensation vient en prise dans une ouverture de passage d'une pièce de liaison connectée à une source de pression négative, et est maintenue dans celle-ci de manière mobile en rotation et déplaçable dans la direction longitudinale.
  32. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 à 31, caractérisé en ce que le dispositif d'entraínement comprend au moins un disque d'entraínement entraínable, qui coopère avec au moins un élément de guidage.
  33. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 à 32, caractérisé en ce que la vitesse de déplacement et/ou la direction de déplacement de l'élément de guidage est variable.
  34. Dispositif de transfert selon l'une quelconque des revendications précédentes 18 à 33, caractérisé en ce que la vitesse de déplacement de l'élément de guidage, au moins pendant une opération d'enfilage, est inférieure, de préférence nettement inférieure à la vitesse de la machine au moment de l'enfilage.
EP99927944A 1998-07-16 1999-06-10 Dispositif de transfert Expired - Lifetime EP1038065B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19831859 1998-07-16
DE19831859A DE19831859A1 (de) 1998-07-16 1998-07-16 Überführungsvorrichtung
PCT/EP1999/004006 WO2000004226A1 (fr) 1998-07-16 1999-06-10 Dispositif de transfert

Publications (2)

Publication Number Publication Date
EP1038065A1 EP1038065A1 (fr) 2000-09-27
EP1038065B1 true EP1038065B1 (fr) 2003-11-12

Family

ID=7874185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99927944A Expired - Lifetime EP1038065B1 (fr) 1998-07-16 1999-06-10 Dispositif de transfert

Country Status (3)

Country Link
EP (1) EP1038065B1 (fr)
DE (2) DE19831859A1 (fr)
WO (1) WO2000004226A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3705676A (en) * 1970-03-16 1972-12-12 Overly Inc Air foil conveyor
GB8805786D0 (en) * 1988-03-11 1988-04-13 Wiggins Teape Group Ltd Rope system for papermachine
DE4037661C1 (fr) * 1990-11-27 1991-12-19 J.M. Voith Gmbh, 7920 Heidenheim, De
US5456802A (en) * 1993-11-22 1995-10-10 Beloit Technologies, Inc. Threading vacuum sheave for a tissue calender

Also Published As

Publication number Publication date
DE19831859A1 (de) 2000-01-20
DE59907715D1 (de) 2003-12-18
WO2000004226A1 (fr) 2000-01-27
EP1038065A1 (fr) 2000-09-27

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