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US20180071992A1 - Functional element - Google Patents

Functional element Download PDF

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Publication number
US20180071992A1
US20180071992A1 US15/704,642 US201715704642A US2018071992A1 US 20180071992 A1 US20180071992 A1 US 20180071992A1 US 201715704642 A US201715704642 A US 201715704642A US 2018071992 A1 US2018071992 A1 US 2018071992A1
Authority
US
United States
Prior art keywords
adhesive
functional elements
accordance
carrier band
setting head
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.)
Abandoned
Application number
US15/704,642
Other languages
English (en)
Inventor
Oliver Diehl
Richard Humpert
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.)
Profil Verbindungstechnik GmbH and Co KG
Original Assignee
Profil Verbindungstechnik GmbH and Co KG
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 Profil Verbindungstechnik GmbH and Co KG filed Critical Profil Verbindungstechnik GmbH and Co KG
Assigned to PROFIL VERBINDUNGSTECHNIK GMBH & CO. KG reassignment PROFIL VERBINDUNGSTECHNIK GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DIEHL, OLIVER, HUMPERT, RICHARD
Publication of US20180071992A1 publication Critical patent/US20180071992A1/en
Priority to US16/800,569 priority Critical patent/US11511495B2/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/06—Screw or nut setting or loosening machines
    • B23P19/062—Pierce nut setting machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
    • B29C53/62—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
    • B29C53/8016—Storing, feeding or applying winding materials, e.g. reels, thread guides, tensioners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/05—Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B27/00—Bolts, screws, or nuts formed in integral series but easily separable, particularly for use in automatic machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • B32B37/025—Transfer laminating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing

Definitions

  • the present invention relates to an apparatus and to a method for attaching functional elements, e.g. composed of metal, to a component, in particular to a component comprising fiber-reinforced plastic, while using a setting head, wherein the functional element has a contact surface provided with adhesive and wherein the adhesive can be supplied to the setting head in individual depots adapted to the functional elements on a carrier band.
  • functional elements e.g. composed of metal
  • a component in particular to a component comprising fiber-reinforced plastic
  • EP 2 439 055 A An apparatus and a method of the above-named kind can be seen from EP 2 439 055 A. It is schematically shown there how adhesive rings are removed from a first carrier band by means of a transfer device and are placed onto a second revolving band. Functional elements are subsequently connected to an adhesive ring placed on the revolving band and are transported to a setting device. The functional elements are buttoned out of the revolving carrier band when the latter is moved about a deflection pulley and is subsequently attached to a plastic component.
  • the schematic illustration does not go into any detail and is relatively complex.
  • plastic components primarily in the form of composite materials such as glass fiber reinforced or carbon fiber reinforced plastics, are frequently used today instead of sheet metal parts, with, however, other reinforcing materials also being able to be considered, typically those with high-strength reinforcing fibers or fabrics manufactured using such fibers.
  • Components of such plastics frequently also have to be provided with fastening elements, for which purpose a limited choice of possibilities is already known.
  • press-in elements are, for example, known that are typically pressed into matched bores of the plastic material at elevated temperatures of the material. The plastic material flows around the inserts or press-in elements and into undercuts provided there and anchors the inserts in a cold state.
  • the inserts can be provided with an internal thread, for example. Such inserts are admittedly by all means justified, but can mostly only be loaded with limitations since they may otherwise be pulled into or out of the plastic component. The use of such inserts is particularly problematic with relatively thin plastic components. Such fiber-reinforced plastic components or a plastic component reinforced with a fabric are frequently called organic plastic sheets.
  • EP 2 439 055 A It is known from the initially named EP 2 439 055 A to provide a functional element similar to an RND element with an adhesive ring to adhesively bond it to a component, e.g. to a plastic component, in particular to a fiber-reinforced plastic component or to a plastic component reinforced with a fabric.
  • the nut element in accordance with EP 2 439 055 A is admittedly formed as a centering element, but the centering section shown there could also be formed as a rivet section, with the functional element then not only being adhesively bonded to the component, but also being additionally fastenable to the component by beading over the rivet section.
  • the present invention deals with the application of the adhesive to the functional element and the apparatus claimed here or the method claimed here can in principle be used with all kinds of fastening elements.
  • a bolt element can have a cylindrical shaft part instead of a thread and said cylindrical shaft part can serve to support a lever, a cable pulley or another component.
  • a hollow element similar to a nut element, can also be considered in which, instead of a threaded cylinder, a smooth bore is provided that serves for the support of a shaft.
  • Functional elements are furthermore known that can be formed for receiving an inserted pin or clip. Functional elements in accordance with the invention can also be formed for carrying out the corresponding functions.
  • the provision of adhesive at functional elements can be problematic. Even if the adhesive is accommodated at the functional element in a protected manner or is present in dry form, for example in small mixed capsules of adhesive and hardener that only burst under pressure and form an adhesive activated under pressure or an adhesive hardened in another manner, there is always the risk that the adhesive is damaged or is even lost during the handling of functional elements or during the transport from one work site to another. This risk is also present when the adhesive is present in the form of rings of double-sided adhesive tape.
  • an apparatus of the initially named kind is provided to satisfy this object that is characterized in that the functional elements are taken over by a guide device and are each pressable to an adhesive depot and are subsequently guidable with the adhering adhesive depots and separately from the carrier band in the setting head to the setting position in front of a setting die.
  • a corresponding method can be seen from claim 15 .
  • functional elements of e.g. metal are spoken of in this application, it is intended to express that the functional elements typically only consist of metal. It is, however, not precluded that a functional element of fiber reinforced plastic is used, with it also being conceivable to equip such a functional element with a metal core, for example in the manner of a threaded insert.
  • the adhesive is only applied to the functional elements within the setting head or directly before the entry into the setting head, the risk that the adhesive is damaged or is lost or is otherwise impaired, for example by aging, before reaching the setting head is no longer present.
  • the distance over which the functional elements provided with adhesive rings are transported can be considerably shorter so that the named risk is even further reduced.
  • the mechanical solution is furthermore considerably simpler; only one carrier band is provided that carries the adhesive depots or adhesive rings and supplies them directly to the guide device.
  • the apparatus in accordance with the invention is in particular configured such that the guide device comprises a rotatable wheel that has receivers for functional elements and that takes over the functional elements from a guide track of a supply device.
  • the guide device can, for example, alternatively be implemented by a revolving conveyor that has receivers for the functional elements and that takes over the functional elements from a guide track of a supply device.
  • a deflection roll of the revolving conveyor takes the place of the rotatable wheel and the receivers for the functional elements are located in the revolving conveyor belt and optionally also in the deflection roll.
  • the revolving conveyor could then extend perpendicular or obliquely upwardly away from the deflection roll.
  • the supply device or its guide track can be formed in a manner known per se by a guide passage or by a guide tube or by a guide rail.
  • the functional elements are supplied to the guide device in rows next to one another. Since shape features of the functional elements engage into receivers of the rotatable wheel or of the revolving conveyor, the pressure exerted on the functional elements can be sufficient to rotate the rotatable wheel or to cause the revolving conveyor belt to revolve. I.e. a separate drive for the rotatable wheel or for the revolving conveyor is not required. It is, however, by all means possible to drive the rotatable wheel or the revolving conveyor by means of a stepper motor in accordance with the strokes of the setting head.
  • the carrier band with the adhesive depots is covered with a cover band removable from the adhesive in front of the setting head.
  • the adhesive depots are accordingly well protected as long as they are still covered.
  • the cover band is preferably separable from the carrier band via a deflection roller, whereby a clean separation can be achieved in the manner of a peeling movement.
  • the arrangement is in this respect preferably such that the deflection roller is arranged above the carrier band, but beneath a supply device guiding the functional elements to the guide device, and on the inflow side of a mouth piece having or comprising the guide device.
  • This likewise enables a very compact and well protected arrangement with a very short path distance of the elements provided with adhesive.
  • the carrier band is preferably led off to the bottom about a deflection roller that is located in a section of a mouth piece having the guide device and is preferably arranged such that the functional elements are movable tangentially to the surface of the deflection roller of the carrier band directly on a guide rail of the mouth piece.
  • this movement can be effected by the rotatable wheel or by a revolving conveyor that, on the one hand, is synchronized or can synchronize the movement of the functional elements in accordance with the setting strokes of the setting head and, on the other hand, effects the named tangential transfer of the functional elements and in so doing causes the release of the functional elements from the individual receivers of the rotatable wheel or from the revolving conveyor on their deflection directly above the deflector roller of the carrier band.
  • the adhesive depots and/or the carrier band are/is configured such that the adhesive depots adhere less strongly to the carrier band than to the functional elements.
  • the carrier band comprises silicones reinforced with fibers or fabric or has a surface that slides easily and does not stick and is provided, for example with a PTFE coating.
  • the surface of the adhesive ring that is seated on the carrier band can be less sticky than the surface that is intended to adhere to the functional elements.
  • the integration of the guide device into the mouth piece has the particular advantage that it can be released from the setting head with the mouth piece.
  • the mouth piece of the guide deice is in this respect preferably releasably connected to the setting head by means of a movable latching nose. It is thus connected to the setting head in an easily releasable manner.
  • the apparatus is preferably configured either to push a functional element immediately into the die channel of the setting head after the application of the adhesive to said functional element or first to bring it into a waiting position in front of the die channel.
  • the chain of functional elements can then only be pushed onward by one step, i.e. the rotatable wheel is rotated onward by one reception division or the receivers of the revolving conveyor are moved onward when the setting head opens and permits the introduction of a new functional element into the setting position beneath the setting die. Since the functional elements located in the guide device contact one another, a secure transport into the setting position is always ensured.
  • a flushing system can optionally be integrated in the setting head to flush off adhesive residues, that collect in the setting head over time, from the setting head as required.
  • the attachment of the functional elements into plastic components by means of a setting head can take place using a number of different apparatus. It is conceivable to use the setting head in a press.
  • the setting head on which the component is arranged can be arranged facing upward in a lower tool of the press or in an intermediate plate of the press and the functional element can be pressed from below onto the plastic component by means of the setting head, and indeed toward a die that is held in an intermediate plate of the press or in an upper tool of the press.
  • the component can be prepunched in a manner known per se or the functional element can be introduced into the component in a self-punching manner.
  • the arrangement with the setting head facing upward simultaneously means that the contact surface of the functional element faces upward. This is preferred since the adhesive is transported at least substantially loss-free on the functional elements within the setting head.
  • One functional element or a plurality of functional elements can then be simultaneously attached to the plastic component for each stroke of the press.
  • the press can then be set such that it, on the one hand, only closes to the degree required to attach the functional element to the plastic component in the manner in accordance with the invention and, on the other hand, to exert sufficient pressure onto the adhesive to ensure the adhesive function.
  • the robot can here, for example, bear an apparatus similar to a setting head that presses the element onto the one side of the plastic component while the plastic component is held on a support or on a die from above or from below that is likewise borne by the robot.
  • a stationary device can furthermore be used to hold the die and only the setting head can be actuated by the robot.
  • a reverse order would also be conceivable, i.e.
  • the robot presses the die onto the one side of a plastic component whose other side is held by a holder that supports the functional element, for example. If therefore from the top and the bottom or from above and below is spoken of in this specification, this is always to be understood with respect to the representation in the Figures and is in no way to be restrictively interpreted.
  • FIG. 1 a perspective view of a carrier band that is removed, for example, from a roll, not shown, wherein the carrier band and the adhesive depots or adhesive rings transported therewith are covered by a removable protective film;
  • FIG. 2 the carrier band of FIG. 1 with a chain of functional elements in rows next to one another, from which the course of the chain can be seen without covering it by a mechanical structure;
  • FIG. 3 the same representation of FIG. 2 , but additionally with a rotatable wheel that synchronizes and controls the local movement of the functional elements;
  • FIG. 4 a representation corresponding to FIG. 3 , but now with the rotatable wheel integrated into a mouth piece of a guide device that can be releasably connected to a setting head;
  • FIG. 5 a detailed, sectional representation of the arrangement in accordance with FIG. 4 , but with the mouth piece of the guide device latched to the setting head likewise shown in section.
  • the Figures show an apparatus for attaching functional elements 10 , e.g. composed of metal, to a component 12 (only visible in FIG. 5 ), in particular to a component comprising fiber reinforced plastic, while using a setting head 14 ( FIG. 5 ).
  • the component could, however, also be a sheet metal part.
  • the functional elements 10 each have a contact surface 16 to be provided with adhesive.
  • the adhesive is supplied to the setting head 14 in individual ring-shaped depots 18 adapted in shape to the contact surfaces 16 of the functional elements 10 on a carrier band 20 .
  • the functional elements 10 are supplied to a supply device 24 from a guide passage 22 only shown sectionally and purely schematically in the arrow direction I of a guide device 26 ( FIGS. 3, 4 and 5 ) are taken over thereby and are each pressed to an adhesive depot.
  • the functional elements 10 are with the adhering adhesive depots 18 subsequently separated from the carrier band 20 and are guided into the setting head 14 to the setting position in front of a setting die 72 .
  • the carrier band 20 has the shape of a covered band that here carries the ring-shape adhesive depots 18 , that is provided with a removal protective film 30 and that is unwound from a roll 32 , for example.
  • the guide device preferably comprises a rotatable wheel 34 ( FIGS. 3, 4 and 5 ) that has receivers 36 for the functional elements 10 and that takes over the functional elements 10 from the guide track 22 ( FIG. 2 ) in that the cylindrical projections 43 arranged above the flanges 41 of the functional elements 10 are received in a respective receiver 36 .
  • the receivers are to be designed in accordance with the shape of the functional elements or of parts thereof and sufficient clearance should be available for the functional elements to be properly guided, on the one hand, and to be tangentially released on the revolving movement, on the other hand, as described in more detail below.
  • the guide track 22 is formed by the passage-shaped supply device 24 that is only shown shortened in FIG. 2 .
  • the supply device actually typically extends from a sorting and conveying device, not shown, to the mouth piece 40 shown in FIG. 4 and is fastened, matched in shape, in the open left hand front end 42 of the mouth piece, i.e. in its inflow side.
  • the passage-shaped guide track 22 has a slit 44 at the top in which the cylindrical projections 43 of the functional elements 10 shown here are guided; in this respect, the flanges 41 and the cylindrical projections 43 of the functional elements run in the guide passage 22 .
  • the supply device 24 can be formed by a guide tube or by a guide rail depending on the shape of the functional elements 10 to be transported.
  • the functional elements 10 are, as shown, supplied to the guide device 40 in rows next to one another.
  • the functional elements 10 can be supplied continuously to the setting head 14 by a storing and conveying unit such as is known from EP-C 864 396 or by lots from a magazine such as is known from EP-B 633825, FIG. 4 .
  • the corresponding supply devices are shown in EP-C 864 396.
  • the functional elements 10 can be pushed in the guide passage 22 contacting one another along the guide passage 22 or can be conveyed individually in the guide passage 22 by air blasts in the direction of the setting head 14 such as is shown in EP-B 633 825, FIG. 7 .
  • the setting head 14 shown in FIG. 5 substantially corresponds in its basic characteristics to a setting head known per se, such as is known from EP-C 755 749, in particular from its FIGS. 25 to 38D . A brief description of the configuration of the setting head will be provided at the end of this description.
  • the invention is not restricted to a specific type of setting heads 14 or of the functional elements used therewith, but rather that all setting heads and functional elements known per se that are already known in the industry can be considered. It is only important that the functional elements 10 have a contact surface 12 that can be provided with adhesive 18 . Such contact surfaces 12 are frequently of ring shape so that the adhesive depots also have a corresponding ring shape, for example with a center hole that receives the rivet section 46 . The adhesive depots 18 can, however, have a different shape when the shape of the contact surface differs from a ring shape or when a different shape of the adhesive depot 18 is desired.
  • the carrier band 20 with the adhesive depot 18 is covered with a cover band 30 removable from the adhesive in front of the setting head 14 .
  • the cover band is separable from the carrier band 20 via a deflection roller 48 .
  • the deflection roller 48 is arranged above the carrier band 20 , beneath a supply device 24 guiding the functional elements 10 to the guide device, and on the inflow side 42 of the mouth piece 40 .
  • the carrier band 20 itself is led off to the bottom about a deflection roller 52 and can be wound up again (not shown) and reused.
  • the deflection roller 52 is located in a cut-out 54 of the mouth piece 40 (visible in FIG. 4 ) comprising the guide device and is arranged such that the functional elements 10 are movable tangentially to the surface of the deflection roller 52 of the carrier band 20 directly on a guide rail 50 of the mouth piece 40 whose end piece 60 can be seen in FIG. 4 .
  • the carrier band 20 is preferably provided with lateral perforations 56 in a similar manner to a photographic film into which laterally arranged noses 58 of the deflection roller 52 engage that ensure the transport of the carrier band 20 and synchronize it with the positions of the rivet sections of the functional elements.
  • the carrier band 20 has a series of holes which are arranged at the same intervals and into which the rivet sections 46 of the functional elements 10 can dip on the attachment of the adhesive depot 18 to the contact surfaces 16 of the functional elements. Corresponding openings can also optionally be provided in the surface of the deflection roller 52 with long rivet sections.
  • FIG. 4 The representation of FIG. 4 is to be understood such that the end piece 60 of the guide rail has a closed base 64 .
  • the mouth piece 40 of the guide device is releasably connected to the setting head 14 by means of a movable latching nose 66 that can be actuated by means of a hand lever 68 .
  • the latching nose 66 in the form of a cylindrical pin engages into the bore 70 of the mouth piece 40 .
  • the upper side of the mouth piece 40 specifically has the bore 70 into which a cylindrical latching nose 66 preloaded downwardly by spring force latches and thus prevents the separation of the mouth piece 40 from the setting head 14 .
  • the latching nose 66 merges over a ring shoulder 74 into a bolt 76 of larger diameter, said ring shoulder pressing toward the lower side of the mouth piece 40 and thus determining the position of the latching nose 66 in engagement with the mouth piece 40 .
  • the hand lever 68 can be operated by the operator to pull the latching nose 66 upward, whereby the mouth piece 40 can be pulled to the left out of the setting head 14 as required.
  • the mouth piece 40 can simply be pushed into the corresponding receiver of the setting head 14 and presses the bolt 76 upwardly with the latching nose 66 .
  • the spring preloaded bolt 76 springs downwardly with the latching nose 66 into the latched position shown in FIG. 5 .
  • the apparatus is configured (as can be seen from FIG. 5 ) to bring a functional element 10 into four consecutive waiting positions after the attachment of the adhesive 18 to it before they move into the setting position beneath the die 72 of the setting head.
  • the method for attaching functional elements 10 e.g. of metal, to a component 12 , in particular to a component comprising fiber-reinforced plastic, while using a setting head 14 , wherein the functional element 10 has a contact surface 16 provided with adhesive and wherein the adhesive is supplied to the setting head 14 in individual depots 18 adapted to the functional elements 10 on a carrier band 20 , and the operation of the apparatus can be summarized as follows:
  • the functional elements 10 are delivered to a guide device 26 from a supply device 24 and are respectively pressed to an adhesive depot 18 in the guide device 26 . They are subsequently guided with the adhering adhesive depots 18 and separately from the carrier band 20 in the setting head 14 into a setting position in front of a die 72 .
  • the guide device comprises a rotatable wheel 34 that presses the contact surfaces 16 of the functional elements 10 to the adhesive depots 18 .
  • the carrier band 20 is led off to the bottom about a deflection roller 52 that is located in a cut-out 54 of a mouth piece 40 comprising the guide device and is preferably arranged such that the functional elements 10 are moved tangentially to the surface of the deflection roller 52 of the carrier band 20 directly on a guide rail 50 of the mouth piece 40 or on its base 64 .
  • the carrier band 20 with the adhesive depots 18 is covered in front of the setting head 14 or in front of the mouth piece 40 by a cover band 30 that is removable from the adhesive and that is pulled off the carrier band 20 via a deflection roller 31 .
  • the setting head 14 has, as customary, a fastening part 80 that is fastened by means of screws, not shown, in a tool 81 of a press or to a hand of a robot.
  • the die 72 is fixedly connected to the fastening part 80 of the setting head 14 via a bolt 82 , i.e. it does not move with respect to this part.
  • the setting head 14 furthermore comprises a lower part 84 that bears the mouth piece 40 and that is downwardly preloaded by means of spring force in this example.
  • the preloading spring is not shown, but is located within a bore 92 of a guide bolt 86 in this example and is supported, on the one hand, at the tool 81 of the press to which the fastening part 80 of the setting head 14 is attached and, on the other hand, at a piston-like abutment 90 that is arranged at the upper end of the bolt 76 .
  • the piston-like abutment 90 is slidable with limitations within the bore 92 of the guide bolt 86 to release the latching nose 66 and presses toward a lower end of the guide bolt 86 .
  • the guide bolt 86 is connected to the lower part 84 of the setting head and is axially slidable in a guide cylinder 88 of the upper fastening part 80 .
  • the lower part 84 of the setting head is pushed so far downwardly by the fastening part with an open press that a functional element 10 can be pushed horizontally to the right into the die channel 75 , i.e. beneath the lower end of the die 72 .
  • the lower end of the die 72 is provided with a receiver for the upper part of the functional element, with this receiver having to be selected in accordance with the shape of the functional element.
  • the lower part 84 of the setting head is guided, on the one hand, through the die 72 that is guided in the die channel 74 and, on the other hand, through the guide bolt 86 that is slidably arranged in the guide cylinder 88 of the fastening part 80 .
  • a new functional element 10 that is provided with the adhesive 18 , is brought into the setting position in front of the die 72 by the pressure exerted onto the chain of functional elements, a further functional element 10 , likewise already provided with adhesive, is brought into the waiting position, and a new functional element 10 is brought into contact with an adhesive ring 18 .
  • the functional element 10 located in the setting position is attached to the component 12 by means of the setting die 72 , the press opens again and the cycle described directly above repeats on every opening stroke of the press.
  • the rotatable wheel is rotated onward by one position in the same rhythm in this respect with every stroke of the press.
  • the adhesive can be a commercial one-component adhesive or a two-component adhesive that are usual in the automotive industry.
  • the adhesive types that are named in the initially named EP 2 439 055 A can also be used.
  • Typical kinds of two (or more) component systems and single-component systems are: Cyanoacrylate adhesives, methyl methacrylate adhesives, anaerobically hardening adhesives, radiation hardened adhesives, phenol formaldehyde resin adhesives, epoxy resin adhesives and polyurethane adhesives.
  • Adhesive depots or adhesive rings 18 composed of a double-sided adhesive band or in the form of a transfer adhesive can also be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Coating Apparatus (AREA)
US15/704,642 2016-09-15 2017-09-14 Functional element Abandoned US20180071992A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/800,569 US11511495B2 (en) 2016-09-15 2020-02-25 Functional element

Applications Claiming Priority (2)

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DE102016117418.1 2016-09-15
DE102016117418.1A DE102016117418A1 (de) 2016-09-15 2016-09-15 Funktionselement

Related Child Applications (2)

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US16/800,569 Division US11511495B2 (en) 2016-09-15 2020-02-25 Functional element
US17/112,405 Division US20220324183A9 (en) 2019-12-05 2020-12-04 Fastening element

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US20180071992A1 true US20180071992A1 (en) 2018-03-15

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US16/800,569 Active US11511495B2 (en) 2016-09-15 2020-02-25 Functional element

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US (2) US20180071992A1 (es)
EP (1) EP3296577B1 (es)
CN (1) CN107830029A (es)
DE (1) DE102016117418A1 (es)
ES (1) ES2910254T3 (es)
MX (1) MX374508B (es)

Cited By (3)

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US10315363B2 (en) * 2016-03-08 2019-06-11 Profil Verbindungstechnik Gmbh & Co. Kg Functional element
CN113339374A (zh) * 2021-06-22 2021-09-03 中国兵器装备集团自动化研究所有限公司 一种战斗部毁伤部件预制装置
JP2021130185A (ja) * 2020-02-21 2021-09-09 株式会社ディスコ ナットセット組み合わせ装置

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Publication number Priority date Publication date Assignee Title
US10315363B2 (en) * 2016-03-08 2019-06-11 Profil Verbindungstechnik Gmbh & Co. Kg Functional element
JP2021130185A (ja) * 2020-02-21 2021-09-09 株式会社ディスコ ナットセット組み合わせ装置
JP7436239B2 (ja) 2020-02-21 2024-02-21 株式会社ディスコ ナットセット組み合わせ装置
CN113339374A (zh) * 2021-06-22 2021-09-03 中国兵器装备集团自动化研究所有限公司 一种战斗部毁伤部件预制装置

Also Published As

Publication number Publication date
ES2910254T3 (es) 2022-05-12
EP3296577A1 (de) 2018-03-21
DE102016117418A1 (de) 2018-03-15
CN107830029A (zh) 2018-03-23
US20200189206A1 (en) 2020-06-18
MX374508B (es) 2025-03-06
US11511495B2 (en) 2022-11-29
EP3296577B1 (de) 2022-01-05
MX2017011849A (es) 2018-11-12

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