EP1362650A3 - Stretch-draw tool - Google Patents

Stretch-draw tool Download PDF

Info

Publication number
EP1362650A3
EP1362650A3 EP03008130A EP03008130A EP1362650A3 EP 1362650 A3 EP1362650 A3 EP 1362650A3 EP 03008130 A EP03008130 A EP 03008130A EP 03008130 A EP03008130 A EP 03008130A EP 1362650 A3 EP1362650 A3 EP 1362650A3
Authority
EP
European Patent Office
Prior art keywords
tool
clamping
forming
forming die
stretch
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
EP03008130A
Other languages
German (de)
French (fr)
Other versions
EP1362650A2 (en
EP1362650B1 (en
Inventor
Peter Broll
Thomas Patz
Frank Werner
Michael Reissig
Michael Bittner
Ralf Dietrich
Josef Reiser
Roland Oppenländer
Martin Grosz
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP1362650A2 publication Critical patent/EP1362650A2/en
Publication of EP1362650A3 publication Critical patent/EP1362650A3/en
Application granted granted Critical
Publication of EP1362650B1 publication Critical patent/EP1362650B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B21D25/00—Working sheet metal of limited length by stretching, e.g. for straightening
    • B21D25/02—Working sheet metal of limited length by stretching, e.g. for straightening by pulling over a die

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)

Abstract

Vorgestellt wird ein Streckziehwerkzeug mit einem Werkzeugunter- und einem relativ zu diesem beweglichen Werkzeugoberteil (1, 2), einem Formstempel (4) sowie einer bezüglich des Formstempels absenkbaren, die zu verformende Blechplatine (19) randseitig festklemmenden und unter Zugbelastung bis in den plastischen Zustand an den Formstempel anformenden Reckvorrichtung, bei welchem erfindungsgemäß eine kinematisch einfache, gedrängte Bauweise und eine prozessgenaue Steuerung der Steckziehverformung dadurch erreicht wird, dass als Reckvorrichtung jeweils paarweise über endseitige, quer zur Hubrichtung der Werkzeugteile verlaufende Klemmflächen (17) zusammenwirkende Reckschieber (6A, 6B) vorgesehen und diese jeweils im Werkzeugunter- bzw. -oberteil auf unter gleichen Winkeln schräg zur Werkzeuginnenseite geneigten Linearführungen (16) verschieblich angeordnet und in Einfahrrichtung entgegen einer definierten, das Festklemmen der Platine zwischen den Klemmflächen bewirkenden Gegenkraft verfahrbar sind.

Figure 00000001
Disclosed is a stretch-forming tool with a Werkzeugunter- and relative to this movable upper tool part (1, 2), a forming die (4) and a lowerable with respect to the forming die, the sheet metal plate to be deformed (19) edge-clamping and under tensile load to the plastic state to the forming die forming stretching device, in which according to the invention a kinematically simple, compact construction and process control of the Steckziehverformung is achieved in that as a stretching device in pairs via end, transverse to the stroke direction of the tool parts clamping surfaces (17) cooperating stretching slide (6A, 6B) provided and these each slidably disposed in the tool lower and upper part at equal angles inclined to the tool inside linear guides (16) and in the retraction against a defined, the clamping of the board between the clamping surfaces causing Gegenkra ft are traversable.
Figure 00000001
EP20030008130 2002-05-18 2003-04-08 Stretch-draw tool Expired - Lifetime EP1362650B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002122314 DE10222314A1 (en) 2002-05-18 2002-05-18 Stretch forming tool
DE10222314 2002-05-18

Publications (3)

Publication Number Publication Date
EP1362650A2 EP1362650A2 (en) 2003-11-19
EP1362650A3 true EP1362650A3 (en) 2005-10-05
EP1362650B1 EP1362650B1 (en) 2007-07-11

Family

ID=29265371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030008130 Expired - Lifetime EP1362650B1 (en) 2002-05-18 2003-04-08 Stretch-draw tool

Country Status (3)

Country Link
EP (1) EP1362650B1 (en)
DE (2) DE10222314A1 (en)
ES (1) ES2287377T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2897001A3 (en) * 2006-02-06 2007-08-10 Renault Sas Pressing of flat metal blanks to produce components for the automobile industry with light curvature and pressing depth by drawing the blank edges prior to complete pressing operation
DE102009056315A1 (en) 2009-12-01 2011-06-09 GM Global Technology Operations LLC, ( n. d. Ges. d. Staates Delaware ), Detroit Stretching apparatus and method for stretch drawing a workpiece and stretch-drawn part
IT1401375B1 (en) * 2010-08-09 2013-07-18 E M A R C S P A DEVICE AND PROCEDURE FOR BENDING WITH STRETCHING METAL PARTS
DE102010048406A1 (en) * 2010-08-09 2012-02-09 Giw Gesellschaft Für Innovative Werkzeugsysteme Mbh Method and device for drawing sheet metal
DE102010049264A1 (en) * 2010-10-04 2012-04-05 Giw Gesellschaft Für Innovative Werkzeugsysteme Mbh Method and device for drawing sheet metal

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1602551A1 (en) * 1967-05-13 1971-03-11 Siempelkamp Gmbh & Co Hydraulic stretch press
DE3206212A1 (en) * 1981-03-21 1982-10-14 SMS Schloemann-Siemag AG, 4000 Düsseldorf Clamping head of a metal sheet stretcher with a centring device
FR2646623A1 (en) * 1989-05-03 1990-11-09 Peugeot Press tool for deep-drawing slightly shaped workpieces
WO1999014001A1 (en) * 1997-09-18 1999-03-25 Cosma International Inc. Stretch draw die and method
US6041639A (en) * 1999-02-09 2000-03-28 The Boeing Company Method and apparatus for stretch-forming and shearing sheet metal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1602551A1 (en) * 1967-05-13 1971-03-11 Siempelkamp Gmbh & Co Hydraulic stretch press
DE3206212A1 (en) * 1981-03-21 1982-10-14 SMS Schloemann-Siemag AG, 4000 Düsseldorf Clamping head of a metal sheet stretcher with a centring device
FR2646623A1 (en) * 1989-05-03 1990-11-09 Peugeot Press tool for deep-drawing slightly shaped workpieces
WO1999014001A1 (en) * 1997-09-18 1999-03-25 Cosma International Inc. Stretch draw die and method
US6041639A (en) * 1999-02-09 2000-03-28 The Boeing Company Method and apparatus for stretch-forming and shearing sheet metal

Also Published As

Publication number Publication date
EP1362650A2 (en) 2003-11-19
EP1362650B1 (en) 2007-07-11
DE50307636D1 (en) 2007-08-23
ES2287377T3 (en) 2007-12-16
DE10222314A1 (en) 2003-11-27

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