EP1502672A1 - Dispositif de fabrication d'ébauches par formage interne à haute pression - Google Patents

Dispositif de fabrication d'ébauches par formage interne à haute pression Download PDF

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Publication number
EP1502672A1
EP1502672A1 EP04016054A EP04016054A EP1502672A1 EP 1502672 A1 EP1502672 A1 EP 1502672A1 EP 04016054 A EP04016054 A EP 04016054A EP 04016054 A EP04016054 A EP 04016054A EP 1502672 A1 EP1502672 A1 EP 1502672A1
Authority
EP
European Patent Office
Prior art keywords
tool
shell
tool carrier
pressure medium
support unit
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
EP04016054A
Other languages
German (de)
English (en)
Other versions
EP1502672B2 (fr
EP1502672B1 (fr
Inventor
Dieter Kapp
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.)
Theodor Graebener GmbH and Co KG
Original Assignee
Theodor Graebener 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33103697&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1502672(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Theodor Graebener GmbH and Co KG filed Critical Theodor Graebener GmbH and Co KG
Publication of EP1502672A1 publication Critical patent/EP1502672A1/fr
Application granted granted Critical
Publication of EP1502672B1 publication Critical patent/EP1502672B1/fr
Publication of EP1502672B2 publication Critical patent/EP1502672B2/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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/021—Deforming sheet bodies
    • B21D26/025—Means for controlling the clamping or opening of the moulds
    • 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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/021—Deforming sheet bodies
    • B21D26/031—Mould construction
    • 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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • B21D26/039—Means for controlling the clamping or opening of the moulds
    • 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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • B21D26/047—Mould construction

Definitions

  • the invention relates to a device for Production of molded parts by hydroforming.
  • presses Such device are well known as presses. Such presses are due to their design and the required dimensions by the forces occurring very space-consuming during the forming process.
  • the invention is therefore based on the object, a Device of the specified type to create, the very is compact and yet very small in space high forces can be absorbed without a Deflection of the device or the tool occurs and thus very high accuracies of the molding can be achieved.
  • the device according to the invention is distinguished above all characterized in that it is relatively compact and has only a minimum of functions, resulting in a significant Cost reduction for such a device is achieved.
  • the device is characterized in that During the forming process, the occurring stresses in distribute the two nested tubes, causing the Device are subjected to much higher forces can, without a deflection of the device or the Tool and thus the produced molded part occurs.
  • the device 1 shown in FIGS Production of molded parts by hydroforming exists essentially of a housing 2 of two nested and shrinking each other connected pipes 3, 4. It is in the concentric bore 5 of the inner tube 4, a tool carrier unit 6 is used, the can be moved out of the housing 2 for workpiece change.
  • the tool carrier unit 6 again consists essentially from two approximately half-shell-shaped tool carriers 7a, 7b, between which a tool 8 is arranged, in each case between tool carrier 7a, 7b and tool half 8a, 8b at least one with a pressure medium, for example oil, acted upon short-stroke cylinder 9a, 9b is arranged.
  • a pressure medium for example oil
  • the short-stroke cylinders 9a, 9b respectively from a piston 10 in a bore 11 in the Tool carriers 7a, 7b embedded and sealed.
  • the short-stroke cylinders 9a, 9b hold during the Forming process the two tool halves 8a, 8b in your Closed position, while the tool 8 and the workpiece 12th between the two tool halves 8a, 8b in the molding process with a medium, for example water or oil, is applied.
  • a medium for example water or oil
  • Pressure pad 14 may be provided.
  • the respective Pressure pad 14 by one of a inserted into a groove 15 Seal enclosed active surface 16 on the circumference 13 of the shell-shaped tool carrier 7a, 7b formed (see Fig. 3).

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP04016054A 2003-07-30 2004-07-08 Dispositif de fabrication des pièces par formage à haute pression interne Expired - Lifetime EP1502672B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10334660A DE10334660B3 (de) 2003-07-30 2003-07-30 Vorrichtung zur Herstellung von Formteilen durch Innenhochdruckumformung
DE10334660 2003-07-30

Publications (3)

Publication Number Publication Date
EP1502672A1 true EP1502672A1 (fr) 2005-02-02
EP1502672B1 EP1502672B1 (fr) 2007-09-19
EP1502672B2 EP1502672B2 (fr) 2012-03-28

Family

ID=33103697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04016054A Expired - Lifetime EP1502672B2 (fr) 2003-07-30 2004-07-08 Dispositif de fabrication des pièces par formage à haute pression interne

Country Status (4)

Country Link
US (1) US7080536B2 (fr)
EP (1) EP1502672B2 (fr)
AT (1) ATE373529T1 (fr)
DE (2) DE10334660B3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1813363A1 (fr) * 2006-01-27 2007-08-01 Theodor Gräbener GmbH & Co. KG Presse d' hydroformage destinée à la fabrication de pièces par formage à haute pression interne
EP2221126A1 (fr) * 2009-02-20 2010-08-25 Theodor Gräbener GmbH & Co. KG Dispositif de formage de pièces

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3006306A (en) * 1956-02-07 1961-10-31 Gen Tire & Rubber Co Hydraulic press
US3661004A (en) * 1969-11-07 1972-05-09 Atlas Chem Ind Explosive tubing swager
US4676086A (en) * 1985-04-18 1987-06-30 Asea Aktiebolag Press of pressure cell type
EP0713761A1 (fr) * 1994-07-15 1996-05-29 Verson Europa S.A. Procédé et dispositif pour changer le diaphragme dans une presse de fromage à chambre de compression
WO2000027563A2 (fr) * 1998-11-06 2000-05-18 Ap Parts International, Inc. Appareil de formage du metal et son procede d'utilisation

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE122972C (fr) *
US667525A (en) † 1900-06-08 1901-02-05 Carl Huber Internal-pressure-resistance cylinder.
US2962994A (en) * 1953-10-22 1960-12-06 Douglas Aircraft Co Inc High-pressure hydraulic press
GB791099A (en) † 1955-03-18 1958-02-26 Asea Ab High pressure cylinder
US3120205A (en) * 1956-02-07 1964-02-04 Gen Tire & Rubber Co Forming pad for hydraulic press
US3224042A (en) † 1963-10-23 1965-12-21 Barogenics Inc Hydrostatic pressure device
US3379043A (en) † 1965-03-01 1968-04-23 Western Electric Co Pressure vessel for forming apparatus
US3545241A (en) * 1968-04-22 1970-12-08 Verson Allsteel Press Co Hydraulic press
SE392822B (sv) * 1973-12-06 1977-04-25 Asea Ab Hydraulisk press med en tryckcell med ett elastiskt membran och en av detta paverkad formdyna
US3971243A (en) * 1974-04-18 1976-07-27 The Boeing Company Method for die forming strip material
US3943741A (en) * 1975-03-25 1976-03-16 The United States Of America As Represented By The Secretary Of The Army Embossing method
GB1604495A (en) * 1978-05-30 1981-12-09 Hawkhead Bray & Sons Ltd Press action machines
SE512788C2 (sv) † 1994-02-14 2000-05-15 Flow Holdings Gmbh Sagl Llc Högtryckspress samt förfarande vid högtrycksbehandling
DE19705244A1 (de) † 1997-02-12 1998-08-13 Huber & Bauer Gmbh Umformvorrichtung
US6305204B1 (en) * 2000-07-13 2001-10-23 The Boeing Company Bulge forming machine
WO2002047839A1 (fr) † 2000-12-12 2002-06-20 Schweitzer, Karl, Heinz Dispositif et procede de formage sous haute pression interne (innenhochdruckumformung : ihu) et systeme d'outillage de formage sous haute pression interne

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3006306A (en) * 1956-02-07 1961-10-31 Gen Tire & Rubber Co Hydraulic press
US3661004A (en) * 1969-11-07 1972-05-09 Atlas Chem Ind Explosive tubing swager
US4676086A (en) * 1985-04-18 1987-06-30 Asea Aktiebolag Press of pressure cell type
EP0713761A1 (fr) * 1994-07-15 1996-05-29 Verson Europa S.A. Procédé et dispositif pour changer le diaphragme dans une presse de fromage à chambre de compression
WO2000027563A2 (fr) * 1998-11-06 2000-05-18 Ap Parts International, Inc. Appareil de formage du metal et son procede d'utilisation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1813363A1 (fr) * 2006-01-27 2007-08-01 Theodor Gräbener GmbH & Co. KG Presse d' hydroformage destinée à la fabrication de pièces par formage à haute pression interne
EP2221126A1 (fr) * 2009-02-20 2010-08-25 Theodor Gräbener GmbH & Co. KG Dispositif de formage de pièces
WO2010094383A3 (fr) * 2009-02-20 2010-11-11 Theodor Gräbener GmbH & Co. KG Dispositif de réalisation de pièces moulées
US8739592B2 (en) 2009-02-20 2014-06-03 Theodor Graebener Gmbh & Co. Kg Device for the production of molded parts

Also Published As

Publication number Publication date
US20050022576A1 (en) 2005-02-03
EP1502672B2 (fr) 2012-03-28
US7080536B2 (en) 2006-07-25
ATE373529T1 (de) 2007-10-15
EP1502672B1 (fr) 2007-09-19
DE10334660B3 (de) 2004-11-04
DE502004004998D1 (de) 2007-10-31

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