EP0628404A1 - Mehrständerpresse od. dgl. Pressenanlage zum Formen von Blechteilen - Google Patents

Mehrständerpresse od. dgl. Pressenanlage zum Formen von Blechteilen Download PDF

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Publication number
EP0628404A1
EP0628404A1 EP94108507A EP94108507A EP0628404A1 EP 0628404 A1 EP0628404 A1 EP 0628404A1 EP 94108507 A EP94108507 A EP 94108507A EP 94108507 A EP94108507 A EP 94108507A EP 0628404 A1 EP0628404 A1 EP 0628404A1
Authority
EP
European Patent Office
Prior art keywords
press
stands
ram
sheet metal
multiple column
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.)
Withdrawn
Application number
EP94108507A
Other languages
German (de)
English (en)
French (fr)
Inventor
Wolfgang Michael
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.)
L Schuler GmbH
Original Assignee
L Schuler GmbH
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 L Schuler GmbH filed Critical L Schuler GmbH
Publication of EP0628404A1 publication Critical patent/EP0628404A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/04—Frames; Guides
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses

Definitions

  • the invention relates to a multi-column press or the like. Press system according to the preamble of the claim.
  • Presses of this type are used for shaping sheet metal parts and high shaping forces have to be applied in the individual processing stages, which lead to undesirable impairments of the press frame and the press ram or the press ram as a result of high bending moments in known multi-column presses.
  • the movement of the press ram (s) can take place via different gear systems such as eccentric, crankshaft, toggle lever or articulated drives.
  • DE-A-23 28 182 a press with top drive is shown. There are two press rams that can be moved up and down by means of crank drives.
  • DE-A-37 02 368 describes a two-column press with an eccentric or crankshaft located above the press ram and engaging in the center of the press ram.
  • intermediate shelves are dispensed with and the space between pairs of stands becomes a machining area, since plungers can be made in one piece with force application in three levels. Movements of tools and other means in and out of the press sliding tables in and against the direction of the press run are avoided because of the small stand width.
  • Figs. 1, 2 and 3 of a multi-column press only the specific of the press and the areas of application of the invention are shown in a very large scale.
  • the multi-column press has a drawing stage 1 or a separate drawing press with a drawing stage 1. Subsequent stages 2 are subordinate to drawing stage 1.
  • the multi-column press has a press table 3 and a press ram 6 which is moved up and down by a press drive 7, as well as press stand 4 and in itself Longitudinal beam 11 extending in the direction of press travel.
  • the press stands 4 are essentially formed by tie rods 12 and tie rod sleeves 13 surrounding them.
  • a transfer device for the transport of parts through the processing stages 1, 2 is positioned at 14. On the press ram and press table side, tools 16 are fastened for the forming. Waste chutes assigned to the tools 16 are not shown.
  • the drive of one tappet 6 or more tappets in the subsequent stages 2 takes place on the basis of one or more motors 10 and, for example, a main shaft 8 on a transmission in the transmission boxes, generally numbered 9.
  • These gears in the gear boxes 9 can e.g. be eccentric shaft, crankshaft, toggle lever or other cardan shaft gearboxes according to the converter requirements.
  • the gear boxes accommodating one of these gears can, as shown in FIGS. 1, 2, 3, 6 and 7 show, placed over the tie rods 12 with tie rod sleeves 13 of the press stand 4, or as shown in FIGS. 4 and 5 show being rigidly connected to the press stands 4 via further tie rods 18.
  • What is essential here is the rigid connection between the cross member 19 carrying the gear means or gear means 21, eccentric 22 and connecting rod 5 and the tie rod clamping sleeves 13, possibly also with the longitudinal members 11.
  • One cross member 19 or several e.g. two of these cross beams, as shown in Fig. 7, may be provided for storing the gear means, e.g. of eccentrics firmly connected to the gears 21 in bearing locations 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
EP94108507A 1993-06-11 1994-06-03 Mehrständerpresse od. dgl. Pressenanlage zum Formen von Blechteilen Withdrawn EP0628404A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4319339 1993-06-11
DE4319339A DE4319339A1 (de) 1993-06-11 1993-06-11 Mehrständerpresse o. dgl. Pressenanlage zum Formen von Blechteilen

Publications (1)

Publication Number Publication Date
EP0628404A1 true EP0628404A1 (de) 1994-12-14

Family

ID=6490099

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94108507A Withdrawn EP0628404A1 (de) 1993-06-11 1994-06-03 Mehrständerpresse od. dgl. Pressenanlage zum Formen von Blechteilen

Country Status (5)

Country Link
EP (1) EP0628404A1 (cs)
CN (1) CN1099677A (cs)
BR (1) BR9402360A (cs)
CZ (1) CZ285751B6 (cs)
DE (1) DE4319339A1 (cs)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2165365A1 (de) * 1970-12-31 1972-07-27 Kabushiki Kaisha Komatsu Seisakusho, Tokio Presse
DE2657911A1 (de) * 1975-12-26 1977-07-14 Komatsu Mfg Co Ltd Transferpresse
DE4124083A1 (de) * 1991-07-19 1993-01-21 Erfurt Umformtechnik Gmbh Transferpressenlinie
EP0581008A2 (de) * 1992-06-27 1994-02-02 SCHULER PRESSEN GmbH & Co. Pressenanlage
EP0590358A1 (de) * 1992-09-29 1994-04-06 Umformtechnik ERFURT GmbH Grossraumtransferpresse zur Bearbeitung von Blechteilen in mehreren Arbeitsstufen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2165365A1 (de) * 1970-12-31 1972-07-27 Kabushiki Kaisha Komatsu Seisakusho, Tokio Presse
DE2657911A1 (de) * 1975-12-26 1977-07-14 Komatsu Mfg Co Ltd Transferpresse
DE4124083A1 (de) * 1991-07-19 1993-01-21 Erfurt Umformtechnik Gmbh Transferpressenlinie
EP0581008A2 (de) * 1992-06-27 1994-02-02 SCHULER PRESSEN GmbH & Co. Pressenanlage
EP0590358A1 (de) * 1992-09-29 1994-04-06 Umformtechnik ERFURT GmbH Grossraumtransferpresse zur Bearbeitung von Blechteilen in mehreren Arbeitsstufen

Also Published As

Publication number Publication date
CZ285751B6 (cs) 1999-10-13
CZ143694A3 (en) 1995-02-15
BR9402360A (pt) 1995-01-17
DE4319339A1 (de) 1994-12-15
CN1099677A (zh) 1995-03-08

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19960701

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Owner name: SCHULER PRESSEN GMBH & CO.

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Effective date: 19961112