EP2440345A1 - Appareil pour relier deux ou plusieurs éléments de matériau se chevauchant et procédé de fabrication de l'appareil - Google Patents

Appareil pour relier deux ou plusieurs éléments de matériau se chevauchant et procédé de fabrication de l'appareil

Info

Publication number
EP2440345A1
EP2440345A1 EP10767385A EP10767385A EP2440345A1 EP 2440345 A1 EP2440345 A1 EP 2440345A1 EP 10767385 A EP10767385 A EP 10767385A EP 10767385 A EP10767385 A EP 10767385A EP 2440345 A1 EP2440345 A1 EP 2440345A1
Authority
EP
European Patent Office
Prior art keywords
die
elements
anvil
die elements
guiding element
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
EP10767385A
Other languages
German (de)
English (en)
Other versions
EP2440345A4 (fr
EP2440345B1 (fr
Inventor
Hans Bergkvist
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2440345A1 publication Critical patent/EP2440345A1/fr
Publication of EP2440345A4 publication Critical patent/EP2440345A4/fr
Application granted granted Critical
Publication of EP2440345B1 publication Critical patent/EP2440345B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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

Definitions

  • Clinching is a method based on cold flow deformation.
  • FIG. Ia A punch (1.1), most frequently surrounded by a spring acting element, a stripper (1.2), pushes parts of the overlapping material members, here illustrated by two (1.3) and (1.4), into a die cavity (1.5) the bottom of which forms an anvil (1.6) and the sides of which consist of two or more moving die elements, here shown as (1.7) and (1.8).
  • a punch 1.1
  • a stripper 1.2
  • a stripper pushes parts of the overlapping material members, here illustrated by two (1.3) and (1.4), into a die cavity (1.5) the bottom of which forms an anvil (1.6) and the sides of which consist of two or more moving die elements, here shown as (1.7) and (1.8).
  • Faivre US 5509290, shows a complex solution with an outer, retaining cage.
  • the present invention solves the problems apparent in the state-of-the-art as it has the characteristics reported in the subsequent patent claims. It also offers a simple and economical method for the manufacturing of the apparatus
  • FIG. 2. shows a cut through a clinched joint
  • Fig. 3. shows a die design
  • Fig. 4. shows an alternate die design with a surrounding cage
  • Fig. 5. shows a die design with an integrated cage
  • Fig. 6. shows the first step in the manufacturing of the die
  • Fig. 7a. and 7b. show subsequent steps in the manufacturing of the die
  • the invention offers a solution that meets the two main requirements of a die design.
  • the die elements shall move laterally, with respect to an axis running through punch and anvil, by sliding rather than by pivoting or rotating, on a robust supporting surface, running essentially perpendicularly to the axis through punch and anvil.
  • the contact area between die element and supporting surface will be greater than if the die elements would pivot, which results in a lower contact pressure and thus an increased life time of the die.
  • the die elements have to be prevented from being ripped out axially when the stripper pulls the punch out of the cavity created from the overlapping material members..
  • FIG. 3. shows such a solution, here illustrated by an example with one guiding element.
  • the moving die elements can slide laterally i.e. on a smooth supporting surface (3.9) running essentially perpendicularly to an axis (3.10) though the punch and the center of the anvil.
  • Each guiding element has dimensions, cross section, surface finish and axial position that closely match through holes (3.12) in the die elements and that will make the die elements slide on the supporting surface, steered by the guiding elements.
  • the guiding elements consequently prevent the die elements from pivoting or rotating and ensure a pure sliding.
  • the die elements are pressed against the anvil through elastic elements (3.13) which can be one or more ring shaped springs
  • each guiding element is roughly equal to or exceeds the distance between the outer faces of the die elements, even when they are at maximum distance from the axis (3.10) through punch and anvil, which will ensure that the die elements remain in place axially when the stripper pulls out the punch after completion of the clinching operation.
  • FIG. 4. shows an alternate solution of the invention, here illustrated by an example with one guiding element the extremities of which are held in a cage (4.1) connected to the other parts of the die and where the spring action (4.2) and (4.3) between the cage and the die elements replace the above mentioned ring shaped springs (3.13)
  • Fig. 5. shows still another solution of the invention where the cage forms an integrated part of the die body.
  • the apparatus shown in Fig. 5. can be manufactured in a simple and economical way, here illustrated by an example with one guiding element.
  • a blank for the non-moving parts of the die having essentially the shape of a parallelepiped (6.1) is machined in such a way that a through hole (6.2) is created parallel to the upper rectangular face (6.3) of the blank (6.1) and oriented along the longer dimension of the upper rectangular face (6.3), whereafter grooves (7.1) and (7.2) are created perpendicularly to the through hole (6.2) in such a way that the anvil (3.6), the supporting surface (3.9) and the solid side parts (7.5) and (7.6) of the die to the intended dimensions, whereafter the blank (6.1) is given its final, not necessarily paral- lelepipedic shape, whereafter selected parts such as the anvil (3.6) and the supporting surface (3.9) is given appropriate hardness, whereafter final assembly can take place, whereas the guiding element (3.11) is pushed in place from one solid side part of the die (7.5), through the through hole (6.2), in such a way that the guiding element (3.11) runs though the spring element (4.2), the die element (3.7
  • a close fit between the guiding element and the through hole in the anvil is also advantageous as the anvil thereby will maintain its structural integrity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

L'invention porte sur un ensemble d'outils, destiné principalement au clinchage, consistant en un poinçon (3.1), entouré d'un dévêtisseur élastique (3.2), une cavité de matrice (3.5) dont la partie inférieure constitue une enclume (3.6) et dont les côtés consistent en au moins deux éléments de matrice mobile (3.7) et (3.8). Les éléments de matrice mobile peuvent coulisser latéralement sur une face de support plate (3.9). Un ou plusieurs éléments de guidage (3.11), s'étendant parallèlement à la face de support, ont des dimensions, des sections transversales et des positions axiales qui correspondent étroitement à des trous traversants (3.12) dans les éléments de matrice, et amènent ainsi les éléments de matrice à coulisser latéralement sur la face de support en étant dirigés par les éléments de guidage. Les éléments de guidage empêchent par conséquent les éléments de matrice de pivoter ou de tourner et génèrent un coulissement pur. La longueur de chaque élément de guidage est approximativement égale à, ou dépasse, la distance entre les faces externes des éléments de matrice, même lorsque les éléments de matrice sont les plus éloignés d'un axe (3.10) s'étendant à travers le poinçon et l'enclume, ce qui maintiendra les éléments de matrice en position lorsque le dévêtisseur extrait le poinçon après que l'opération de clinchage soit achevée. L'invention porte également sur un procédé par lequel l'agencement de matrice décrit peut être fabriquée d'une manière simple et économique.
EP10767385.7A 2009-04-22 2010-04-19 Appareil pour relier deux ou plusieurs éléments de matériau se chevauchant et procédé de fabrication de l'appareil Not-in-force EP2440345B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0900538A SE532966C2 (sv) 2009-04-22 2009-04-22 Anordning för sammanfogning av två eller fler överlappande materialdelar och förfarande för tillverkning av anordningen
PCT/SE2010/050420 WO2010123438A1 (fr) 2009-04-22 2010-04-19 Appareil pour relier deux ou plusieurs éléments de matériau se chevauchant et procédé de fabrication de l'appareil

Publications (3)

Publication Number Publication Date
EP2440345A1 true EP2440345A1 (fr) 2012-04-18
EP2440345A4 EP2440345A4 (fr) 2014-05-07
EP2440345B1 EP2440345B1 (fr) 2015-03-18

Family

ID=42236856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10767385.7A Not-in-force EP2440345B1 (fr) 2009-04-22 2010-04-19 Appareil pour relier deux ou plusieurs éléments de matériau se chevauchant et procédé de fabrication de l'appareil

Country Status (3)

Country Link
EP (1) EP2440345B1 (fr)
SE (1) SE532966C2 (fr)
WO (1) WO2010123438A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994025196A1 (fr) * 1993-05-04 1994-11-10 Homax Ag Perfectionnements aux outils pour la realisation de points d'assemblage de toles par fluage a froid
JPH11197765A (ja) * 1998-01-16 1999-07-27 Japan Drive-It Co Ltd シート材の接合用ダイおよび接合装置
WO2001036124A2 (fr) * 1999-11-16 2001-05-25 Attexor Clinch Systems S.A. Outil permettant de relier des elements formes d'au moins deux feuilles qui se recouvrent
EP1468758A1 (fr) * 2003-04-17 2004-10-20 ECKOLD GmbH & Co. KG Matrice pour jeu d'outils pour réaliser des joints mécaniques
US20060196034A1 (en) * 2005-03-04 2006-09-07 Sawdon Edwin G Sheet fastening apparatus and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757609A (en) * 1980-09-08 1988-07-19 Btm Corporation Apparatus for joining sheet material
DE3836937A1 (de) * 1988-10-29 1990-05-03 Eckold Vorrichtung Durchsetzfuegevorrichtung
DE4435460A1 (de) * 1994-10-04 1996-04-11 Boellhoff Gmbh Verbindungs Und Vorrichtung zum Durchsetzfügen von sich überlappenden Blechteilen
US5737819A (en) * 1995-05-10 1998-04-14 Btm Corporation Fastening apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994025196A1 (fr) * 1993-05-04 1994-11-10 Homax Ag Perfectionnements aux outils pour la realisation de points d'assemblage de toles par fluage a froid
JPH11197765A (ja) * 1998-01-16 1999-07-27 Japan Drive-It Co Ltd シート材の接合用ダイおよび接合装置
WO2001036124A2 (fr) * 1999-11-16 2001-05-25 Attexor Clinch Systems S.A. Outil permettant de relier des elements formes d'au moins deux feuilles qui se recouvrent
EP1468758A1 (fr) * 2003-04-17 2004-10-20 ECKOLD GmbH & Co. KG Matrice pour jeu d'outils pour réaliser des joints mécaniques
US20060196034A1 (en) * 2005-03-04 2006-09-07 Sawdon Edwin G Sheet fastening apparatus and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010123438A1 *

Also Published As

Publication number Publication date
EP2440345A4 (fr) 2014-05-07
WO2010123438A1 (fr) 2010-10-28
SE0900538A1 (sv) 2010-05-25
SE532966C2 (sv) 2010-05-25
EP2440345B1 (fr) 2015-03-18

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