EP1629905B1 - Méthode et dispositif pour joindre deux pièces - Google Patents

Méthode et dispositif pour joindre deux pièces Download PDF

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Publication number
EP1629905B1
EP1629905B1 EP05018267A EP05018267A EP1629905B1 EP 1629905 B1 EP1629905 B1 EP 1629905B1 EP 05018267 A EP05018267 A EP 05018267A EP 05018267 A EP05018267 A EP 05018267A EP 1629905 B1 EP1629905 B1 EP 1629905B1
Authority
EP
European Patent Office
Prior art keywords
stamp
joining
punch
sections
accordance
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.)
Not-in-force
Application number
EP05018267A
Other languages
German (de)
English (en)
Other versions
EP1629905A1 (fr
Inventor
Jörg Dipl.-Ing. Bergschneider
Josef Kreutzer
Robert Stocker
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr 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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1629905A1 publication Critical patent/EP1629905A1/fr
Application granted granted Critical
Publication of EP1629905B1 publication Critical patent/EP1629905B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21D39/035—Joining superposed plates by slitting

Definitions

  • the invention relates to a method and a device for fixing superimposed or adjoining fixing sections of at least two parts, in particular sheet metal parts, relative to each other, wherein the fixing sections are deformed by a punch.
  • Displaced material flows from the second or overlying surface part into the resulting radial free spaces.
  • German Offenlegungsschrift DE 103 15 718 A1 is a device having a arranged on a press device, a deep-drawn opening having die and a driven in the direction of die forming die for rivet-like joining of components with at least a plate known.
  • the device has a radial distance between the side walls of the deep-drawing opening and the lateral surfaces of the forming punch for receiving the displaced during the joining process plate material.
  • the deep-drawn opening is formed in the die in the radial and axial directions as a blind opening, the side walls, as the radial outer surface of the forming die in the same direction of movement and as the bottom of the thermoforming hole are intrinsically intrinsically.
  • the side walls of the deep-drawn opening and / or the lateral surfaces of the forming punch have a profiled cross-section. The settlement of these side walls or lateral surface is in each case longer than the settlement of a possible circle located within the same area. In the known methods and devices, relatively large pressure forces, which are needed to make the material to flow.
  • the object of the invention is to provide a method and a device for fixing superimposed or adjoining fixing sections of at least two parts relative to each other, wherein the fixing sections are deformed by a punch, which can be realized inexpensively in a simple manner, and Nevertheless, a release of the fixing of each other, at least in the short term, safely prevent.
  • the object is achieved by a method according to claim 1. It is achieved by the method according to the invention that the fixing sections engage in one another without material compaction or flow or deep drawing of material in a die arranged opposite the punch. This provides the advantage that significantly lower forces must be applied to the stamp in the inventive method than in the known methods.
  • connection areas have areas which, although acted upon by the punch, are not severed. In these areas, the connection of the fixing remains on the associated parts. Therefore, these areas are referred to as connection areas.
  • a fixing portion is partially pressed out of the surface of the fixing portion by the punch. This ensures that the fixing engage each other.
  • the fixation sections to be fixed relative to one another are arranged between the stamp and a counter holder.
  • the anvil only serves to hold the parts in position when the punch is pressed against the fixing portions.
  • the anvil does not perform the function of a die or a die.
  • the above object is also achieved by a device according to claim 2.
  • the separation area of the stamp ensures that the fixing sections are partially severed.
  • the connection area of the punch serves at most to deform the fixing sections, but not to cut through.
  • a preferred embodiment of the device is characterized in that the end face of the punch in the connection area is not continuous, but interrupted. This ensures that the stamp in the connection area, if at all, only later and less strongly comes into contact with the respective fixing section.
  • a further preferred embodiment of the device is characterized in that the stamp has substantially the shape of a circular cylinder.
  • the circular cylinder has a circular end face, which is interrupted in the connection region, for example by a depression.
  • a further preferred embodiment of the device is characterized in that the punch has a bevelled surface.
  • the beveled surface breaks the end face of the punch to create the bonding area.
  • a further preferred embodiment of the device is characterized in that the stamp has substantially the shape of a cuboid.
  • the cuboid has a rectangular end face, which is interrupted in the connection region, for example by a depression.
  • a further preferred embodiment of the device is characterized in that the end face of the punch has a notch. Through the notch, which is preferably formed continuously, the end face of the punch is interrupted to provide the connection area.
  • the punch cooperates with a counter-holder which has a receiving opening for the punch whose dimensions are slightly larger than those of the punch. This ensures that the fixing sections do not come into contact with the counter-holder when they are deformed.
  • the forming and separating stamp 1 essentially has the shape of a circular cylinder 3, which is shown cut off at one end 4. At the other end 8, the end face of the circular cylinder 3 is divided into a separation area 8, which has substantially the shape of a semicircle, and a connection region 9, which is bevelled.
  • the circular cylinder 3 preferably has a thickness of 1.0 to 1.5 mm.
  • FIG. 3 is the forming and separating stamp 1 from the Figures 1 and 2 shown in the deformation of two sheet metal parts 11 and 12.
  • the forming and separating punch 1 cooperates with a counter-holder 15, which has a bore 17 whose diameter is slightly larger than the outer diameter of the forming and separating punch 1.
  • the forming and separating stamp 1 is immersed with its end 6 in the sheet metal part 11, that the sheet metal part 11 is pressed in the region of the engagement surface of the forming and separating punch 1 in the sheet metal part 12.
  • the immersion depth, the dipping speed, the stamp shape, the hardness and the thickness of the material and the surface of the punch affect the deformation.
  • the stamping ensures that the otherwise incurred during punching waste remains attached to the sheet metal parts.
  • FIG. 4a a punch 21 is shown, which essentially has the shape of a cuboid 23.
  • One end 24 of the cuboid 23 is shown cut off.
  • the end face on the other end 26 of the cuboid 23 has two separating regions 27, 28, which are separated by a notch 29.
  • the notch 29 is formed by two connecting surfaces 31, 32, which are arranged at an angle of approximately 100 ° to each other.
  • FIG. 4b is a flat punch 21 'is shown, which has only one separation area 28'.
  • the punch 21 ' has a chamfered surface 32' whose helix angle is about 45 degrees.
  • the thickness of the flat punch 21 ' is 1.0 to 1.5 mm. Due to the only one-sided separation area unwanted deformations in the point area can be avoided.
  • FIG. 5 it can be seen that the mold and separating punch 21 cooperates with a counter-holder 35, which has a substantially rectangular recess 37 whose dimensions are slightly larger than the outer dimensions of the forming and separating punch 21.
  • FIGS. 6 and 7 another embodiment of a forming and separating punch 41 is shown, which has the shape of a circular cylinder 43 substantially.
  • the circular cylinder 43 is in the FIGS. 6 and 7 shown cut off at one end 44.
  • the end face on the other end 46 of the forming and separating punch 41 has two separating regions 47, 48, which are divided by a notch 49.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Connection Of Plates (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Claims (7)

  1. Procédé permettant de fixer des parties de fixation placées l'une sur l'autre ou contiguës l'une à l'autre, d'au moins deux pièces (11, 12), en particulier des pièces en tôle, l'une par rapport à l'autre, où les parties de fixation sont déformées par un poinçon (1 ; 21 ; 41), où le poinçon (1 ; 21 ; 41) est poussé, d'un côté, contre l'une des parties de fixation, de manière telle que la partie de fixation sollicitée par le poinçon soit poussée à l'intérieur de la partie fixation contiguë à celle-ci, et que les parties de fixation soient partiellement sectionnées, où les parties de fixation présentent des zones qui sont certes sollicitées par le poinçon (1 ; 21 ; 41) mais non sectionnées, où une partie de fixation est repoussée par le poinçon (1 ; 21 ; 41), partiellement hors de la surface de la partie de fixation, et où les parties de fixation à fixer l'une par rapport à l'autre sont disposées entre le poinçon (1 ; 21 ; 41) et un serre-pièce (15 ; 35),
    caractérisé en ce que le poinçon (1 ; 21 ; 41) agit de façon conjointe avec un serre-pièce (15 ; 35) qui présente, pour le poinçon, une ouverture de logement (17 ; 37) dont les dimensions sont un peu plus grandes que celles du poinçon, de sorte que les parties de fixation s'imbriquent entre elles, sans qu'il se produise une compression de matière.
  2. Dispositif permettant de fixer des parties de fixation placées l'une au-dessus de l'autre ou contiguës l'une à l'autre, d'au moins deux pièces (11, 12), en particulier des pièces en tôle, l'une par rapport à l'autre, où les parties de fixation sont déformées par un poinçon (1 ; 21 ; 41), conformément à un procédé selon la revendication précédente, où le poinçon (1 ; 21 ; 41) présente au moins une zone de sectionnement (8 ; 27, 28 ; 47, 48) et au moins une zone de jonction (9 ; 31, 32 ; 49),
    caractérisé en ce que le poinçon (1 ; 21 ; 41) agit de façon conjointe avec un serre-pièce (15 ; 35) qui présente, pour le poinçon, une ouverture de logement (17 ; 37) dont les dimensions sont un peu plus grandes que celles du poinçon.
  3. Dispositif selon la revendication 2, caractérisé en ce que la surface frontale du poinçon (1 ; 21 ; 41) est configurée, dans la zone de jonction (9 ; 31, 32 ; 49), non pas de façon continue mais de façon discontinue.
  4. Dispositif selon la revendication 2 ou 3, caractérisé en ce que le poinçon (1 ; 41) présente sensiblement la forme d'un cylindre circulaire.
  5. Dispositif selon la revendication 4, caractérisé en ce que le poinçon (1) présente une surface chanfreinée (9).
  6. Dispositif selon la revendication 2 ou 3, caractérisé en ce que le poinçon (21) présente sensiblement la forme d'un parallélépipède.
  7. Dispositif selon l'une quelconque des revendications 4 à 6, caractérisé en ce que la surface frontale du poinçon (21 ; 41) présente une entaille (29 ; 49).
EP05018267A 2004-08-25 2005-08-23 Méthode et dispositif pour joindre deux pièces Not-in-force EP1629905B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004041306 2004-08-25

Publications (2)

Publication Number Publication Date
EP1629905A1 EP1629905A1 (fr) 2006-03-01
EP1629905B1 true EP1629905B1 (fr) 2008-04-09

Family

ID=35033523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05018267A Not-in-force EP1629905B1 (fr) 2004-08-25 2005-08-23 Méthode et dispositif pour joindre deux pièces

Country Status (4)

Country Link
EP (1) EP1629905B1 (fr)
AT (1) ATE391565T1 (fr)
DE (1) DE502005003615D1 (fr)
ES (1) ES2304654T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007015690B3 (de) * 2007-03-31 2008-05-08 Federal-Mogul Sealing Systems Gmbh Verfahren zur Herstellung einer lösbaren Klemmverbindung einzelner Lagen einer Flachdichtung und Lochstempel zur Durchführung des Verfahrens
JP5276817B2 (ja) * 2007-09-12 2013-08-28 矢崎総業株式会社 金属接合体、金属接合方法、及び、金属接合装置
US9421735B2 (en) 2007-09-12 2016-08-23 Yazaki Corporation Method for joining metal sheets
JP5461853B2 (ja) * 2009-03-10 2014-04-02 矢崎総業株式会社 金属接合体、金属接合方法、及び、金属接合装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154332A (en) * 1981-03-19 1982-09-24 Kuroda Precision Ind Ltd Formation for projection for fixing of lamination of metallic thin plate
US6213381B1 (en) * 1996-10-25 2001-04-10 Hitachi, Ltd. Method of bonding metal plates, apparatus therefor and hot strip mill
DE19929375B4 (de) 1999-06-25 2008-07-24 Tox Pressotechnik Gmbh & Co. Kg Verfahren, Vorrichtung und Werkzeugeinheit zum Durchsetzfügen
JP4050509B2 (ja) * 2001-12-19 2008-02-20 Ｊｆｅ建材株式会社 金属板の機械的接合装置
JP3776052B2 (ja) * 2002-03-27 2006-05-17 株式会社三井ハイテック 積層鉄心
DE10315718A1 (de) 2002-04-04 2003-11-13 Tox Pressotechnik Gmbh Durchsetzfügeverfahren und Werkzeug dafür

Also Published As

Publication number Publication date
DE502005003615D1 (de) 2008-05-21
ATE391565T1 (de) 2008-04-15
ES2304654T3 (es) 2008-10-16
EP1629905A1 (fr) 2006-03-01

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