WO2007112720A1 - Procédé et dispositif outil de formage - Google Patents

Procédé et dispositif outil de formage Download PDF

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Publication number
WO2007112720A1
WO2007112720A1 PCT/DE2007/000474 DE2007000474W WO2007112720A1 WO 2007112720 A1 WO2007112720 A1 WO 2007112720A1 DE 2007000474 W DE2007000474 W DE 2007000474W WO 2007112720 A1 WO2007112720 A1 WO 2007112720A1
Authority
WO
WIPO (PCT)
Prior art keywords
forming
die
holding device
section
tool
Prior art date
Application number
PCT/DE2007/000474
Other languages
German (de)
English (en)
Inventor
York Widdel
Bernhard Spies
Heiko Thaler
Sebastian Rotter
Original Assignee
Eckold Gmbh & 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 Eckold Gmbh & Co. Kg filed Critical Eckold Gmbh & Co. Kg
Priority to US12/294,403 priority Critical patent/US20090107204A1/en
Publication of WO2007112720A1 publication Critical patent/WO2007112720A1/fr

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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/04—Stamping using rigid devices or tools for dimpling
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9457—Joint or connection
    • Y10T83/9473—For rectilinearly reciprocating tool
    • Y10T83/9476—Tool is single element with continuous cutting edge [e.g., punch, etc.]

Definitions

  • the invention relates to a tool device for forming at least a portion of a less accurately positioned body according to the preamble of claim 1 and a method for forming using this tool device according to the preamble of claim 7.
  • a tool device for reshaping at least one section of a less precisely positioned body by such an amount that the section to be reshaped lies in a more precisely defined position.
  • This tool device comprises a movable holding device and a movable in the direction of the holding device forming die, wherein the portion to be formed between the holding device and forming die is arranged.
  • the holding device is first positioned on the section to be reshaped. Then, the forming punch is moved in the direction of the holding device, resulting in a deformation of the portion which is arranged between the holding device and forming die leads.
  • the invention has for its object to provide in the tool means, with which the free forming and to the free forming subsequent process steps can be carried out in a simple manner and with the least possible space.
  • the holding device comprises a wedge element which is in abutting contact with the holding device and / or a die such that a movement of the wedge element causes a movement of the holding device and / or the die in the forming direction.
  • an element is to be understood by die, which exerts a relative movement on the section to be reshaped and thereby effects a further deformation of the section, while holding device is to be understood as an element which is or is brought into abutting contact with the body and has the function of Counterpart has.
  • a die for smoothing the surface is available, which can be moved by a drive movement in a direction that is not directly in the forming direction.
  • no space for the drive of the die is blocked in the actual forming movement. Therefore, the tooling can be made very narrow and used even in confined spaces for forming sections that are accessible only from one side. It can therefore be used in particular when sections of bodies are to be reshaped, which are already mounted in a larger unit, for example a motor vehicle body.
  • the wedge element Furthermore, by the wedge element, the very high forces required to smooth the surface of the section or to counteract during forming can be absorbed without further clamping measures.
  • the forming die is attached to a leg of a substantially L-shaped bracket whose other leg is slidably mounted at the end of a base body of the tool device. Base body and bracket thereby form a Umformzange that is suitable to be introduced into spaces (claim 2).
  • the wedge element is formed by a wedge slide, which is guided in the base body. This can then be moved by a likewise attached to the base cylinder in a very simple manner. To move the wedge surface only a very small force must be applied through the cylinder (claims 3 and A).
  • the tool device advantageously comprises a stamping tool.
  • a through hole which serves for example for receiving fastening means, can be produced in the section to be formed (claim 5).
  • a spring bearing is provided between the wedge element and the holding device and / or die. In this way, a biasing force on the die or the holding device can be exercised, which allows easy return of these elements to their original positions (claim 6).
  • the object is achieved by a method having the features of claim 7.
  • This method is characterized by the use of a wedge element for moving a die and / or a holding device for smoothing the surface of the deformed portion or for generating a counterforce.
  • the method comprises the following steps: First, the positioning of the holding device takes place on the section to be reshaped, then the section to be reshaped is transformed by a movement of the forming die in the direction of the holding device. Subsequently, the female part within the holding device is moved in the direction of the forming punch of the wedge member for smoothing the surface of the deformed portion. (Claim 8).
  • the positioning of the holding device relative to the portion to be reshaped initially takes place without a contact being made between the holding device and the section. Then, a common displacement of die and holding device, until a
  • a stop is formed by wedge element and die, up to which the section to be reshaped is formed by the forming die.
  • the wedge receives a further function and serves to form a stop, which is also adjustable in height in the forming direction. Furthermore, while the deformed portion is simultaneously smoothed (claim 11).
  • a punching operation is subsequently carried out on the formed section. This can be done in a simple and precise manner on the previously smoothed surface of the deformed portion (claim 12).
  • FIG. 2 is a detailed view of the tool device of FIG. 1 with the forming die in the starting position
  • FIG. 3 shows the detail of FIG. 2 with the forming punch in the end position
  • FIG. 4 shows the detail illustration according to FIG. 3 with the die during smoothing of the section to be reshaped
  • Fig. 5 is a detailed view of another embodiment of the
  • Fig. 6 shows the detailed view of FIG. 5 after the probing of the holding device
  • Fig. 7 shows the detail of Fig. 5 after the forming of the reshaped portion.
  • Fig. 1 shows a schematic representation of a tool device 1, which comprises a base body 27, which is attached, for example, to an industrial robot or to a robot arm and can be moved through it in space.
  • a substantially L-shaped bracket 23 is mounted, in the direction of the double arrow 37, for example by an electric motor drive 47, not shown here, relative to the main body 27 is movable.
  • the bracket 23 comprises two legs 21, 25, which are arranged perpendicular to each other, so that the free end of the second leg 25 is displaceable relative to the main body 27.
  • a substantially circular cylindrical forming die 9 which is rigidly connected to the second leg 25.
  • the longitudinal axis of the forming punch 9 corresponds to the forming direction 17 and thus extends parallel to the first leg 21 of the bracket 23rd
  • a holding device 7 Opposite the forming die 9 is located on the base body 27 of the tool device 1, a holding device 7. This includes a rigidly connected to the base body 27 holding body 8, which substantially the
  • the die 15 is substantially circular cylindrical, wherein its outer diameter is smaller than the inner diameter of the holding body 8. Thus, the die 15 is within the
  • This tool device 1 is also referred to as Umformzange.
  • FIG. 2 shows a detailed view of the tool device 1. It can be seen that the movement of the die 15 and the holding device 7 in FIG. 2
  • Forming direction 17 is generated by a corresponding linear movement 39 of a wedge member 19, which is in contact with correspondingly shaped remote surfaces 41, 43 of the die 15 and the holding body 8.
  • the linear movement 39 of the wedge element 19 is thereby deflected by the wedge shape by 90 °, so that the die 15 and the holding body 8 undergo a movement in the forming direction 17.
  • Embodiment it is in principle possible to move die 15 and holding device 7 individually or together, as will be explained below.
  • the wedge member 19 is formed by a wedge slide 29. This is guided within the body 27 and movable in this.
  • the drive of the wedge slide 29 is effected by a connected to the base body 27, for example, pneumatic cylinder 31.
  • the drive can also be done hydraulically or electrically, depending on the desired drive power. Due to the deflection of the movement of the wedge slide 29 by 90 °, the tool device 1 can be made very narrow in the forming 17, so that it can be used even with low available working space.
  • Wedge element 19 additionally have a non-rotationally symmetric geometry, by the rotation of the wedge slide 29, a movement of the
  • Die and / or the holding device 7 causes in the forming 17.
  • this could be a cone-shaped combined with an eccentric one
  • the tool device 1 is brought by means of a robot into the starting position 11 shown in FIG.
  • the holding body 8 is in abutting contact with a section 3 of a body 5 to be reshaped, for example a body panel component.
  • the end position 13 shown in FIG. is the
  • Forming stamp 9 in the end position 13 is not in abutment with a part of the holding device 7, so it is a so-called free forming.
  • the defined movement of the forming punch 9 for forming can be controlled or limited by a remote from the forming die 9 and the Holding device 7 arranged stop done, as shown in detail in DE 192 994 0038 A1 or in DE 192 2004 038 209 A1.
  • a flat embossing surface is achieved by the die 15, as shown in Fig. 4, is moved by a linear movement 39 of the wedge slide 29 in the forming direction 17 to the deformed portion 3.
  • the die 15 then exerts a correspondingly high force on the section 3, which leads to a smoothing of this section 3.
  • the cylinder 31 exerts a predetermined force on the wedge slide 39 over a certain period of time, which it transmits to the die 15.
  • This process of embossing with subsequent surface smoothing is also referred to as straightening.
  • FIGS. 5 to 7 show a further exemplary embodiment of the tool device 1. Identical parts are designated by the same reference numerals. In the following, only the differences between the exemplary embodiments will be discussed.
  • the example according to FIGS. 5 to 7 differs from the first example in that the wedge element 19 is used to position the holding device 7 and the die 15 so that the free forming can be carried out. It is therefore a probing process.
  • the wedge element 19 is used to position the holding device 7 and the die 15 so that the free forming can be carried out. It is therefore a probing process.
  • a spring bearing 35 is provided between the die 15 and wedge element 19, so that the die 15 in turn can be moved relative to the holding body 8 in the forming direction 17.
  • the tool device 1 is prepositioned relative to the body 5 or to the section 3 to be formed, for example by the robot.
  • the wedge slide 29 is actuated via the cylinder 31 so that, as a result of the movement of the wedge element 19, the counter body 8 and the die 15 move together in the forming direction 17 inclined by 90 ° to the wedge slide movement 39 they come to concern at section 3.
  • the pressure of the cylinder 31 must be set so that no deformation of the section 3 takes place. Due to the design of the wedge element 19 occurs now when applying a counter force depending on the angle of the wedge member 19 and its material, a self-locking, so that the holding body 8 can not move axially.
  • the forming punch 9 is again moved by a defined path in the end position 13, as shown in Fig. 7, so that the deformation of the section 3, as explained in the first example, takes place.
  • the die 15 is doing accordingly.
  • the die 15 is required to provide the punch 33 with the required resistance.
  • the smoothing of the section 3 is done automatically by the spring force, which is exerted by the spring bearing 35 on the die 15. If it is thicker sheets, a second, relative to the first movable wedge member may be provided for smoothing after forming, which in a subsequent step, a movement of the die 15 in the direction of section. 3 effected relative to the holding body 8, so that the die 15 exerts the necessary force for smoothing the portion 3.
  • the wedge element 19 would have to have a corresponding geometry, as explained above.
  • the die 15 as a stop for the forming die 9 in the forming of the
  • Section 3 to use.
  • either the die 15 must be arranged immovably with respect to the holding device 7 with the axial distance to the surface 5 facing the body 5, which corresponds to the desired forming depth of the section 3.
  • the spring support 35 can be designed so that the die 15 retracts as shown and at a defined depth provides a sufficiently high resistance to the

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

L'invention concerne un dispositif outil (1) destiné à façonner une partie (3) d'un corps (5). Ce dispositif comprend au moins un dispositif de retenue (7) mobile et au moins un poinçon de formage (9) qui peut être déplacé en direction du dispositif de retenue. La partie à façonner est disposée entre le dispositif de retenue et le poinçon de formage, et lors du formage, le poinçon de formage est déplacé par rapport à la partie à façonner depuis une position initiale (11) jusqu'à atteindre une position finale définie (13). Selon la présente invention, pour limiter l'encombrement et les forces à appliquer, le dispositif outil comprend un élément en biseau (19) qui vient se placer en contact avec le dispositif de retenue et/ou une matrice (15) de telle sorte qu'un déplacement de l'élément en biseau entraîne un déplacement du dispositif de retenue et/ou de la matrice dans la direction de formage (17). L'invention concerne en outre un procédé de formage à l'aide dudit dispositif outil.
PCT/DE2007/000474 2006-03-31 2007-03-16 Procédé et dispositif outil de formage WO2007112720A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/294,403 US20090107204A1 (en) 2006-03-31 2007-03-16 Method and tool device for forming

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006015458.4 2006-03-31
DE102006015458.4A DE102006015458B4 (de) 2006-03-31 2006-03-31 Verfahren und Werkzeugeinrichtung zum Umformen

Publications (1)

Publication Number Publication Date
WO2007112720A1 true WO2007112720A1 (fr) 2007-10-11

Family

ID=38109612

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2007/000474 WO2007112720A1 (fr) 2006-03-31 2007-03-16 Procédé et dispositif outil de formage

Country Status (3)

Country Link
US (1) US20090107204A1 (fr)
DE (1) DE102006015458B4 (fr)
WO (1) WO2007112720A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9339899B2 (en) 2010-11-10 2016-05-17 Henrob Limited Fastening method and apparatus

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2177291B1 (fr) 2008-10-20 2015-04-15 TRUMPF Werkzeugmaschinen GmbH + Co. KG Procédé de découpe et/ou formage de pièces
DE102009059676B4 (de) * 2009-12-19 2013-04-18 Thyssenkrupp Drauz Nothelfer Gmbh Verfahren und Vorrichtung zum Falzen von ein oder mehreren Blechen
CN102120239A (zh) * 2010-12-25 2011-07-13 奇瑞汽车股份有限公司 一种可升降的冲孔装置
CN110560541A (zh) * 2019-09-23 2019-12-13 天津宝骏科技股份有限公司 一种冲压件冲压装置及冲压方法
DE102021128694A1 (de) 2021-11-04 2023-05-04 Eckold Gmbh & Co. Kg Verfahren zum Umformen wenigstens eines Bauteils

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184677A (en) * 1985-12-17 1987-07-01 Utica Ets Inc Method and apparatus for reforming relatively imprecisely positioned members
WO1991015316A1 (fr) * 1990-04-03 1991-10-17 Edward Leslie Theodore Webb Outil de rivetage utilise pour assembler des toles
EP0815980A1 (fr) * 1996-06-25 1998-01-07 Jean-Noel Babu Pinces pour l'assemblage de produits métalliques plats
DE102004038208A1 (de) * 2004-08-05 2006-02-23 Daimlerchrysler Ag Verfahren und Werkzeugeinrichtung zum Umformen

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US370509A (en) * 1887-09-27 Baling-press
US1765762A (en) * 1928-12-03 1930-06-24 Hanna Engineering Works Mechano-pneumatic cushion for power presses
US3889515A (en) * 1974-07-22 1975-06-17 Nat Machinery Co Wedging structure for presses or the like
NL179349C (nl) * 1975-06-24 Haemmerle Ag Maschf Buigwerktuig.
DE2952108C2 (de) * 1979-12-22 1983-11-24 Hämmerle AG, Zofingen Anordnung zur Höhenverstellung des Matrizenbodens von Biegewerkzeugen zum Biegen von Blechen
US4347727A (en) * 1980-07-28 1982-09-07 Galiger Barry J Programmable upward-stroke insert mechanism for bending brakes and method of use
CA1230517A (fr) * 1982-08-25 1987-12-22 Ladislao W. Putkowski Presse a coins de calage
JP2969085B2 (ja) * 1996-08-22 1999-11-02 有限会社愛晃 金型装置
US6526800B1 (en) * 1998-04-08 2003-03-04 Lillbacka Jetair Oy Sheet fabrication center and methods therefor of optimally fabricating worksheets

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184677A (en) * 1985-12-17 1987-07-01 Utica Ets Inc Method and apparatus for reforming relatively imprecisely positioned members
WO1991015316A1 (fr) * 1990-04-03 1991-10-17 Edward Leslie Theodore Webb Outil de rivetage utilise pour assembler des toles
EP0815980A1 (fr) * 1996-06-25 1998-01-07 Jean-Noel Babu Pinces pour l'assemblage de produits métalliques plats
DE102004038208A1 (de) * 2004-08-05 2006-02-23 Daimlerchrysler Ag Verfahren und Werkzeugeinrichtung zum Umformen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9339899B2 (en) 2010-11-10 2016-05-17 Henrob Limited Fastening method and apparatus
US9387557B2 (en) 2010-11-10 2016-07-12 Henrob Limited Riveting method and apparatus
US10005119B2 (en) 2010-11-10 2018-06-26 Henrob Limited Fastening method and apparatus

Also Published As

Publication number Publication date
US20090107204A1 (en) 2009-04-30
DE102006015458B4 (de) 2019-02-28
DE102006015458A1 (de) 2007-10-04

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