EP0853990A2 - Dispositif d'agrafage de pièce en tÔle - Google Patents

Dispositif d'agrafage de pièce en tÔle Download PDF

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Publication number
EP0853990A2
EP0853990A2 EP98100247A EP98100247A EP0853990A2 EP 0853990 A2 EP0853990 A2 EP 0853990A2 EP 98100247 A EP98100247 A EP 98100247A EP 98100247 A EP98100247 A EP 98100247A EP 0853990 A2 EP0853990 A2 EP 0853990A2
Authority
EP
European Patent Office
Prior art keywords
anvil
die
opening
joining point
stamp
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.)
Granted
Application number
EP98100247A
Other languages
German (de)
English (en)
Other versions
EP0853990A3 (fr
EP0853990B1 (fr
Inventor
Shiming Dr.-Ing. Gao
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.)
Stanley Engineered Fastening Industrial Deutschland GmbH
Original Assignee
Avdel Verbindungselemente 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 Avdel Verbindungselemente GmbH filed Critical Avdel Verbindungselemente GmbH
Priority to EP01124550A priority Critical patent/EP1186359B1/fr
Publication of EP0853990A2 publication Critical patent/EP0853990A2/fr
Publication of EP0853990A3 publication Critical patent/EP0853990A3/fr
Application granted granted Critical
Publication of EP0853990B1 publication Critical patent/EP0853990B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • B21D39/031—Joining superposed plates by locally deforming without slitting or piercing

Definitions

  • the present invention relates to a device for Enforcing overlapping sheet metal parts with one Stamp and an anvil, on which at least two die parts are laterally movably supported, which delimit an opening, so that when the stamp moves into the opening dodge sideways when deforming the sheets and so a Joining point is formed.
  • the anvil has a surface facing the stamp, which supports at least the entire area over which the joining point extends at the end of the joining process.
  • the die parts prefferably be L-shaped to produce curved spring steel sheet parts with one leg of the L over that facing the stamp Extend the surface of the anvil while the other leg runs parallel to the anvil and at the distal end at Anvil is attached.
  • the for Device according to claim 1 required, particularly thin The easiest way to realize the die.
  • anvil cuboid and two die parts are made on opposite side surfaces of the cuboid. In this way, the construction the die is particularly simple and economical.
  • the anvil is cuboid train and on all four side surfaces of the cuboid to arrange a die part. This way, one becomes as possible uniform expansion of the die opening during of the backflow process guaranteed.
  • the object of the invention can be achieved that the die parts are separated by joints that do not run radially.
  • the state of the art Always provide radial joints between the die parts. During the backflow process, the die parts must face outwards dodge. This creates gaps between the die parts, into which the material could escape, so that at this Do not put a proper backflow took place and these areas did not affect the strength of the joining point contributed.
  • the Grooves run at an angle to the radial direction.
  • the opening of the die has a circular cross-section , it is particularly preferred to add the joints to be arranged tangentially.
  • the opening of the die is one has circular cross-section, and the joints in shape from inward curved arches, so that the Opening like an iris can open.
  • Figure 1 first the function of a clinching device according to the prior art (e.g. U.S. Patent 4,910 853).
  • Figure 1 shows the state at the end of Backflow.
  • the stamp 10 is at most on the anvil 12 lowered.
  • the die parts 14, 16 are maximally pressed apart, so that the two sheets 18, 20 to be connected already start after over the side edges of the anvil 12 flow down.
  • FIG. 3 shows a clinching device according to the invention, where the anvil 112 is much wider as the stamp 10. This device is also during a Joining process at the time of completion of the backflow process shown. As can be clearly seen in FIG the material does not flow around the side edges of the anvil here, because it is much wider. Of course here correspondingly thinner die parts 114, 116 are also open to the maximum.
  • FIG. 4 shows the resulting joining point, in which case arrows B indicate the direction of flow.
  • this flow direction points horizontally to the side in the device according to the invention (arrows B in FIG. 4), while in FIG. 2 the arrows A point laterally downward at approximately 45 °. As can clearly be seen in FIG. 4, this results in a significantly wider undercut d 2 .
  • the joining point according to FIG. 4 is thus considerably firmer than the joining point according to FIG. 2.
  • FIG. 5 shows an anvil matrix arrangement according to the invention, as used for example in Figure 3 can.
  • the anvil 112 is essentially cube-shaped. Its edge length is larger than the maximum diameter of the Joining point.
  • the two die parts 114, 116 consist of L-shaped ones Spring steel angles between them opening 117 include for the joining point.
  • the other legs the L-shaped die parts are at their distal end, so away from the edge, by riveting or screwing with connected to the side surface of the anvil.
  • FIG. 6 shows a corresponding one Sectional view through the die anvil assembly according to the invention of Figure 5.
  • FIG. 7 shows a further die anvil arrangement according to the invention, in which the die is formed by four L-shaped spring steel brackets 213, 214, 215, 216 is formed. These are then divided diagonally so that the opening 217 of all four Die parts is limited. The attachment to the anvil body corresponds to the arrangement in FIG. 5.
  • FIG. 9 shows a currently customary matrix arrangement which consists of four die elements separated by radial joints 300 313, 314, 315, 316, each one Form a quarter circle.
  • FIG. 10 shows the same arrangement in the open state, i.e. at the end of the backflow if through the flow of the joining point, the matrix elements 313, 314, 315, 316 maximum are dispersed.
  • Figure 11 shows a joining point with the matrix device is produced according to Figures 9 and 10, in plan view. It it is clearly recognizable that the joining point is not complete is round, but in the places where the individual matrix elements Bump 313 to 316 through the gap Has 300 recesses caused.
  • FIG. 12 shows a section through the joining point of the figure 11 along the line a-a. As can be seen, there is the Undercut good and the joining point therefore seems to have good strength values to show.
  • the present invention teaches the corresponding column 300 is not radial (in the direction of flow of the backflow process).
  • a a particularly preferred embodiment is shown in FIG. 14.
  • the joints 400 are between the individual matrix elements 413 to 416 arcuate, so that even when the die is expanded due to the backflow process cannot form columns because the individual matrix elements 413 to 416 move apart without gaps can, as shown in Figure 15.
  • FIG. 17 shows a sectional illustration through the die anvil arrangement for a die shape according to Figure 16.
  • the anvil 412 is also wider than the maximum width of the Joining point executed.
  • the L-shaped die elements 414 and 416 are attached to the side surfaces of the anvil. They are made movable and elastic by a spring ring 420 held back in position.
  • the present invention can be done by a less expensive Modification of the anvil-matrix arrangement a considerably better strength of the joining points can be achieved without for this additional work steps in the clinching process would be required.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Tents Or Canopies (AREA)
  • Eye Examination Apparatus (AREA)
  • Toys (AREA)
EP98100247A 1997-01-21 1998-01-09 Dispositif d'agrafage de pièce en tôle Expired - Lifetime EP0853990B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01124550A EP1186359B1 (fr) 1997-01-21 1998-01-09 Dispositif pour l'agrafage des pièces en tôle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29700868U DE29700868U1 (de) 1997-01-21 1997-01-21 Vorrichtung zum Durchsetzfügen
DE29700868U 1997-01-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP01124550A Division EP1186359B1 (fr) 1997-01-21 1998-01-09 Dispositif pour l'agrafage des pièces en tôle

Publications (3)

Publication Number Publication Date
EP0853990A2 true EP0853990A2 (fr) 1998-07-22
EP0853990A3 EP0853990A3 (fr) 1998-09-23
EP0853990B1 EP0853990B1 (fr) 2002-04-24

Family

ID=8034762

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98100247A Expired - Lifetime EP0853990B1 (fr) 1997-01-21 1998-01-09 Dispositif d'agrafage de pièce en tôle
EP01124550A Expired - Lifetime EP1186359B1 (fr) 1997-01-21 1998-01-09 Dispositif pour l'agrafage des pièces en tôle

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01124550A Expired - Lifetime EP1186359B1 (fr) 1997-01-21 1998-01-09 Dispositif pour l'agrafage des pièces en tôle

Country Status (4)

Country Link
EP (2) EP0853990B1 (fr)
AT (2) ATE216641T1 (fr)
DE (3) DE29700868U1 (fr)
ES (2) ES2210083T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19929375B4 (de) * 1999-06-25 2008-07-24 Tox Pressotechnik Gmbh & Co. Kg Verfahren, Vorrichtung und Werkzeugeinheit zum Durchsetzfügen
AU2001262026A1 (en) * 2000-04-05 2001-10-23 Eugen Rapp Method and tool for producing a press joint connection
IN2013DE00111A (fr) * 2012-01-20 2015-06-26 Profil Verbindungstechnik Gmbh
DE102014205951B4 (de) 2014-03-31 2021-03-04 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Nachbearbeitung einer fehlerhaften Clinchverbindung und Verfahren zur Herstellung einer Clinchverbindung mit Nachbearbeitung, sowie Werkstückverbund mit wenigstens einer nachbearbeiteten Clinchverbindung
DE102019108902A1 (de) * 2019-04-04 2020-10-08 Benteler Automobiltechnik Gmbh Batterieträger mit Clinch-Verbindung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614017A (en) * 1981-10-28 1986-09-30 Walter Eckold Gmbh & Co. Kg Device for joining metal sheets by a rivetting-type method
JPH0839167A (ja) * 1994-07-29 1996-02-13 Natl House Ind Co Ltd ワークの結合装置
US5528815A (en) * 1990-04-03 1996-06-25 Webb; Edward L. T. Clinching tool for sheet metal joining
US5581860A (en) * 1980-09-08 1996-12-10 Btm Corporation Apparatus for joining sheet material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56114536A (en) * 1980-02-13 1981-09-09 Toshiba Corp Joining device of sheet material
DE3613324A1 (de) * 1986-04-19 1987-10-22 Eugen Rapp Verfahren und vorrichtung zum verbinden duenner platten
DE3836937A1 (de) * 1988-10-29 1990-05-03 Eckold Vorrichtung Durchsetzfuegevorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5581860A (en) * 1980-09-08 1996-12-10 Btm Corporation Apparatus for joining sheet material
US4614017A (en) * 1981-10-28 1986-09-30 Walter Eckold Gmbh & Co. Kg Device for joining metal sheets by a rivetting-type method
US5528815A (en) * 1990-04-03 1996-06-25 Webb; Edward L. T. Clinching tool for sheet metal joining
JPH0839167A (ja) * 1994-07-29 1996-02-13 Natl House Ind Co Ltd ワークの結合装置

Also Published As

Publication number Publication date
ES2176818T3 (es) 2002-12-01
ES2210083T3 (es) 2004-07-01
EP0853990A3 (fr) 1998-09-23
DE59809985D1 (de) 2003-11-27
EP1186359B1 (fr) 2003-10-22
ATE252430T1 (de) 2003-11-15
DE59803891D1 (de) 2002-05-29
EP0853990B1 (fr) 2002-04-24
EP1186359A1 (fr) 2002-03-13
ATE216641T1 (de) 2002-05-15
DE29700868U1 (de) 1997-05-15

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