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EP0878251B1 - Presse-transfer avec un support latéral sur une table mobile pour les porte-pièce - Google Patents

Presse-transfer avec un support latéral sur une table mobile pour les porte-pièce Download PDF

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Publication number
EP0878251B1
EP0878251B1 EP98108488A EP98108488A EP0878251B1 EP 0878251 B1 EP0878251 B1 EP 0878251B1 EP 98108488 A EP98108488 A EP 98108488A EP 98108488 A EP98108488 A EP 98108488A EP 0878251 B1 EP0878251 B1 EP 0878251B1
Authority
EP
European Patent Office
Prior art keywords
press
transfer
tool
holding means
bed
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.)
Expired - Lifetime
Application number
EP98108488A
Other languages
German (de)
English (en)
Other versions
EP0878251A1 (fr
Inventor
Hans Hofele
Matthias Speidel
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 EP0878251A1 publication Critical patent/EP0878251A1/fr
Application granted granted Critical
Publication of EP0878251B1 publication Critical patent/EP0878251B1/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
    • 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
    • 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
    • B21D43/057—Devices for exchanging transfer bars or grippers; Idle stages, e.g. exchangeable

Definitions

  • the invention relates to a transfer press with the Features of the preamble of claim 1 and a Procedure for changing tools and tooling.
  • Transfer presses such as those from the EP-B-0 388 610 are known to have a series of press stations on that of a workpiece in the transfer direction to go through.
  • the press stations are through tools divided into upper and lower tools defined, the upper tool on a ram attached and the lower tool on a press table is stored.
  • a transfer device is used for workpiece transport, for example a two-axis transfer with Crossbeams on which suction frames are held.
  • the Press also has a press frame to which usually arranged between the workstations Press stands belong.
  • the press tables with the tools stored on it usually from the side the transfer press led out. You will be between passed through the press stands, the space available are usually designed so that the press tables just fit between the press stands.
  • the suction frame or belonging to the transfer system other holding means are during the operation of the transfer press between the tools, i.e. for example in Area of the press stand, held when the tools conclude.
  • the holding means must first have this position also take if the top tool is on the bottom tool is filed to it with the sliding table from the To be able to pull out the transfer press.
  • the US-PS 5,140,839 shows a multi-stage press according to the preamble of claim 1 with segmented transfer.
  • the one from the Crossbars carried and moved by transfer drives for moving the workpieces and the suction means held therefor are transverse to the direction of transfer Recordings of the sliding tables provided for the change process can be stored.
  • Transfer press to create an easy tool change including a simple tooling change allowed, whereby to the tooling also to a transfer system proper holding means belong.
  • the transfer press has a receiving means that serves the tooling removed from the transfer system on the press table (or tool) so that the press table with tools and tooling from the transfer press can be extended.
  • the tooling on the receiving means in one orientation and orientation, which is different from the orientation in distinguishes the transfer system. This enables that For example, holding means belonging to the tooling of the transfer system stored at one point on the press table, at which they particularly with regard to the direction of transfer do not protrude beyond the table contour.
  • a corresponding one provided transport facility for the tooling is included able the spatial orientation of the holding means change appropriately so that the holding means on Places on the press table that can be stored with the Transfer system alone cannot be reached.
  • the holding means in otherwise unused places the tool or press table on which they are to be placed moving the press table in and out of the transfer press do not hinder.
  • the Pick-up means should be chosen so that on the press table stored tools, for example for a Crane, are easily accessible.
  • the transport device for transferring the tooling from the transfer system to the storage area of the press table is particularly useful for transfer presses with two-axis transfer advantageous.
  • Those held on the crossbeams Holding means for example suction frames, suction spiders or the like, require a relatively large amount of space.
  • the transport device enables storage at neutral locations the press table or the tool. While the sucker frame cross with the crossbars in the operating position extending to the transfer direction, they will be at rest stored in the longitudinal direction to the side of the tools. This is an area that occurs during sheet metal part transport not crossed by the respective sheet metal part becomes. This also allows the transfer press in To build the transfer direction as short as possible, which is the number of strokes benefits.
  • the holding means can be in the side area of the press table oriented both lengthways and vertically be kept. This is from the specific training of the Depending on the receiving agent.
  • the transport device points accordingly a vertical, a horizontal or a inclined pivot axis.
  • the transport device can be placed on the press table or tool be and at the same time as a receiving means for holding the Serve holding means in the rest position.
  • the transport device can also be designed as a transfer device and on a press stand, i.e. from the press table be kept separate, the holding means to the the holder provided at the press table passes.
  • the transfer device can be designed that the holding means taken over through the open tool or via the closed tool detached from the ram is pivoted.
  • the latter can be useful if the transfer device not only a swivel, but also performs a lifting movement, or if the Storage on the press table is done relatively high.
  • the tooling belonging to the transfer system his working position in a changing or resting position pivoted and placed on the press table.
  • the preferred then press table designed as a sliding table moved out of the transfer press with tools and tooling.
  • the holding means By pivoting the tooling according to the invention, in particular the holding means, these can turn to side areas of the press table can be transported.
  • the holding means horizontally or vertically, but in any case in one Plane are kept vertical and longitudinal is aligned.
  • a suction frame or Suction spider trained holding means can both be kept flat as well as rotated about its longitudinal axis.
  • the transport device then has at least two Swivel or rotary axes on.
  • 1 shows a transfer press 1, the several press stations 2, 3, 4, 5 and others, Has press stations, not shown.
  • Press station 2, 3, 4, 5 is in each case a lower tool 6, 7, 8 and upper tool 11, 12, 13 existing Tool arranged. While the upper tools 11, 12, 13 are held releasably on plungers 14, 15, the lower tools are mounted 6, 7, 8 on press tables 16, 17.
  • a transfer system 27 which as Two-axis transfer is formed.
  • To the transfer system 27 include transfer rails 28 that are parallel to each other in the transfer direction lengthways through the transfer press 1 extend.
  • the transfer rails 28 are among one another connected by cross members 29, the holding means, such as for example, suction frame 31, wear. These are workpiece-specific trained and thus if necessary switch.
  • the suction frame 31 can, as can be seen from the exemplary embodiment according to FIG. 2, be significantly narrower than the cross members 29. It are then on a crossbar 29, for example, two suction frames 31a, 31b arranged side by side.
  • the suction frame 31 lead carried by the cross members 29 and the transfer rails 28, a transfer movement in which the individual sheet metal parts from one Remove press station 2, 3, 4 and the following one Feed press station 3, 4, 5. Is a sheet metal part stored and closes in a press station 2, 3, 4, 5 the tool in question, the suction frame 31 of the transfer system in appropriate spaces between the tools.
  • the press stand 23 covers the space between the press stations 4 and 5.
  • the upper tools 11, 12, 13 are the Lower tools 6, 7, 8 and the suction frame 31 to change.
  • the extraction of the suction frame 31 from the gaps covered by the press stands 22, 23 presents a certain difficulty.
  • a receptacle 33 is an angled Arm 35 provided at the end with a pivot bearing 34 Swivel bearing 34 supports the arm 35 on one with the respective Press table 16, 17 connected pin 36 so that a pivoting movement can be carried out in a horizontal plane is.
  • the arm 35 carries two spaced vertical supports 37, 38, which are designed as hollow box profiles and are closed at both ends.
  • a pneumatic cylinder 39, 41 is arranged, one vertically adjustable coupling pin 42, 43 actuated.
  • the suction frame 31 held on the crossbar 29 has corresponding receiving openings on its underside 46 for receiving the coupling bolts 42, 43. To grab the coupling bolts 42, 43 into the receiving openings 46, the suction frame 31 is immovable on the pivotable Recording stored.
  • a modified embodiment of the transfer press 1 is a horizontal sectional view in FIG. 2 illustrates, the cut in a plane between the upper tools and the lower tools is guided. It are two arranged between press stands 21, 22, 23 Press tables 16, 17 provided as sliding tables for lateral movement out of the transfer press 1 is formed are.
  • the main difference between the transfer press 1 according to FIG. 1 and the transfer press 1 according to FIG. 2 is the number of press tables 16, 17 stored lower tools.
  • the press table 16 of the transfer press 1 carries two lower tools 6a, 6b and the press table 17 carries three lower tools 7a, 7b, 7c.
  • the tool and tooling change is as follows based on the transfer press 1 illustrated in FIG. 2 described:
  • the transfer system is controlled that all suction frame 31 between the tools (Lower tools 6a, 6b, 7a, 7b, 7c) are available. following become the upper tools not shown in Fig. 2 on the lower tools 6a, 6b, 7a, 7b, 7c stored and separated from the plungers.
  • the recordings 33 are pivoted into the respective storage area 48, 49.
  • the receptacles 33 from the storage areas 48, 49 each pivoted 90 ° around the vertical axis so that it below the corresponding crossbar 29 parallel to this stand.
  • the left-hand storage area 48 and the right-hand side Storage area 48 associated receptacles 33 in their length so that they are about to the middle of the Crossbar 29 range.
  • Each receptacle 33 thus serves each takeover of a suction frame 31a, 31b.
  • the suction frame 31a, 31b is released by means of corresponding between crossbeam 29 and suction frame 31a, 31b arranged coupling means, the pneumatic, electric or by a relative movement between crossbar 29 and suction frame 31a, 31b can be controlled.
  • the suction frame 31a, 31b are now out of their working position pivoted into a rest position, in which it is in the storage area not traversed by the workpieces 48 are held.
  • the press table 16 can now move sideways be moved out of the transfer press 1.
  • the press table 16 is then in the sketched in Fig. 2 above Position and carries both the tools 6a, 6b and the upper tools 11a, 11b as well as those for the tooling associated suction frame 31a, 31b.
  • the tool change takes place on the press table 17 basically in a similar way.
  • the press table points 17 four swiveling arranged at its corners Recordings 33, whereas the press table 16 only two Recordings 33 has.
  • the panning movement of the recordings 33 and placing the suction frame 31a, 31b on the receptacles 33, 47, however, is basically the same Way, after which the press table 17 between the press stands 22, 23 can be extended. In its retracted Position is illustrated in Fig. 2 above.
  • both embodiments are possible at which the recordings 33 on the closed tools be pivoted, as well as embodiments in which the receptacles 33 pivoted through the open tool become. If necessary, lifting devices can be provided so that the recordings are raised and lowered can be.
  • the suction frame can be used to further save space 31 have movably mounted suction arms. These can For example, pivotable about a vertical axis on the suction frame 31 be stored so that they can be shortened when not in use allow the suction frame 31 in the transfer direction.
  • a transfer press 1 there are one or sliding tables 16, 17 assigned to several press stations provided for tool change, preferably laterally can be moved out of the transfer press 1.
  • the sliding tables 16, 17 or the tools stored on them Recording devices 33, 47 for the tooling to which at least workpiece-specific holding means 31 a Transfer system 27 include that the parts transport from Press station is used to press station.
  • the recording 33 is to move the sliding tables 16, 17 out of the Transfer press 1 in separate storage areas 48, 49 positioned. These storage areas 48, 49 are provided on the side next to the tools and such arranged that they refer to the direction of travel of the respective sliding table 16, 17 the width of the same (i.e., related to the direction of transfer, its length) do not enlarge.
  • Holding means pivoted. That serves itself pivotable mount 33.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Automatic Assembly (AREA)

Claims (16)

  1. Presse-transfert (1) pour l'usinage de pièces de tôle, en particulier presse à ventouse, comprenant
       au moins une station de presse (2) dans laquelle est agencée une table de presse (16) qui peut être évacuée de la station de presse si nécessaire, et qui sert à recevoir au moins un outil (6, 11) pour l'usinage de la pièce de tôle, qui peut être changé si nécessaire,
       un dispositif de transfert (27) destiné à acheminer les pièces de tôle à la station de presse (2) et/ou à les en évacuer dans une direction de transfert prédéterminée,
       dans laquelle le dispositif de transfert (27) comprend au moins un moyen de support (31) pouvant être changé si nécessaire, destiné à supporter temporairement les pièces de tôle et qui se trouve en amont et/ou en aval de l'outil (6, 11), dans la direction du transfert lorsque l'outil (6, 11) est fermé, et
       dans laquelle il est prévu, au niveau de la table de presse (16) et/ou de l'outil (6, 11), au moins un moyen porteur (33) pour le moyen de support,
       caractérisé en ce que le au moins un moyen porteur (33) comprend au moins un dispositif de transport (33) destiné à amener le moyen de support (31) de sa position de travail, placée dans le dispositif de transfert (27), à sa position de dépôt située latéralement à côté de l'outil, par référence à la direction de transfert, pour le changement d'outil.
  2. Presse-transfert selon la revendication 1, caractérisée en ce que le dispositif de transfert (27) est un transfert à deux axes d'au moins une traverse (29) qui porte le moyen de support (31).
  3. Presse-transfert selon la revendication 1, caractérisée en ce que le moyen de support (31) est un châssis à ventouses (31) de forme allongée qui s'étend dans une direction transversale à la direction de transfert, et qui chevauche transversalement le trajet de transfert des pièces de tôle, au moins par endroits.
  4. Presse-transfert selon la revendication 1, caractérisée en ce que le moyen porteur (33) amène la pièce dans une région latérale (48) de la table de presse (16) servant de région de dépôt, qui n'est pas parcourue par la pièce de tôle pendant le transport de la pièce de tôle.
  5. Presse-transfert selon la revendication 4, caractérisée en ce que le dispositif de transport (33) est un dispositif pivotant.
  6. Presse-transfert selon la revendication 5, caractérisée en ce que le dispositif pivotant comporte un axe de pivotement (32) différent de l'axe transversal.
  7. Presse-transfert selon la revendication 5, caractérisée en ce que le dispositif pivotant comporte un bras pivotant (35) qui lui-même est pourvu de moyens d'accouplement (42, 43) pour l'accouplement du moyen de support (31).
  8. Presse-transfert selon la revendication 7, caractérisée en ce que le bras pivotant (35) porte au moins un élément de palier (44) qui supporte le moyen de support (31), et en ce que le moyen d'accouplement (42, 43) comprend au moins une goupille actionnée par une force et qui, pour le blocage de la position du moyen de support (42, 43), peut être mise en prise et hors de prise avec ce dernier.
  9. Presse-transfert selon la revendication 5, caractérisée en ce que le dispositif pivotant est construit de manière que, lorsqu'il est déplacé de sa position de travail, dans laquelle il est maintenu au niveau du dispositif de transfert (27), à sa position de changement, dans laquelle il est maintenu en position tournée, le moyen de support (31) porté peut être tourné au-delà de l'outil (6, 11) fermé et appuyé sur la table de presse (16), et dont l'outil supérieur (11) est séparé d'un coulisseau de presse (14) qui fait partie de la station de presse (2).
  10. Presse-transfert selon la revendication 5, caractérisée en ce que le dispositif pivotant est construit de manière que, lorsqu'il est déplacé de sa position de travail, dans laquelle il est maintenu au niveau du dispositif de transfert (27), à sa position de changement, dans laquelle il est maintenu en position toumée, le moyen de support (31) porté peut être tourné à travers l'outil (6, 11) ouvert dont l'outil inférieur (6) repose sur la table de presse (16) et dont l'outil supérieur (11) est maintenu à une distance verticale de l'outil inférieur (6) par un coulisseau de presse (14) qui fait partie de la station de presse (2).
  11. Presse-transfert selon la revendication 4, caractérisée en ce que le dispositif de transport (33) est prévu au niveau de la table de presse (16) et sert de préférence en même temps de moyen porteur (33).
  12. Presse-transfert selon la revendication 4, caractérisée en ce qu'à au moins un bord de la table de presse (16) qui se trouve en amont ou en aval dans la direction du transfert, l'outil (6) se termine dans le même plan que cette table, et en ce que le dispositif de transport (33) amène au moins un moyen de support (31) associé à la table de presse (16) à la région de dépôt latérale (48).
  13. Presse-transfert selon la revendication 1, caractérisée en ce que la longueur de la table de presse (16), mesurée dans la direction du transfert, correspond sensiblement à la distance entre deux montants (21, 22) de la presse voisins de la table de presse (6) dans la direction du transfert, et en ce que la largeur de l'outil (6), mesurée dans la direction transversale, est plus petite que la largeur de la table de presse (16).
  14. Presse-transfert selon la revendication 3, caractérisée en ce que le châssis à ventouses (31) comporte des bras aspirants qui sont pourvus de moyens aspirants en bout et sont montés mobiles.
  15. Procédé pour le changement d'outil et d'outillage dans une presse-transfert (1) selon la revendication 1, comprenant au moins une table de presse (16) sur laquelle est supporté au moins un outil (6, 11), et un dispositif de transfert (27) qui comporte au moins un moyen de support (31) qui doit être changé lorsque cela est nécessaire, dans lequel le moyen de support est amené à une position de travail, en se déplaçant transversalement à la table de presse, vue de la direction de transfert, le moyen de support (31) étant tourné dans la direction de transfert pour passer d'une position de travail à une position de changement dans laquelle le moyen de support (31) est supporté au niveau d'un moyen porteur (33) correspondant, latéralement à côté de l'outil (6, 11) en référence à la direction de transfert, et en ce que la table de presse (16) est évacuée de la presse-transfert avec l'outil (6, 11) et le moyen de support (31).
  16. Procédé selon la revendication 15, caractérisé en ce que le moyen de support (31), disposé dans sa position de travail transversalement par rapport à la direction de transfert est maintenu dans la position de changement dans un plan qui est orienté longitudinalement et verticalement.
EP98108488A 1997-05-16 1998-05-09 Presse-transfer avec un support latéral sur une table mobile pour les porte-pièce Expired - Lifetime EP0878251B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19720518 1997-05-16
DE19720518A DE19720518A1 (de) 1997-05-16 1997-05-16 Transferpresse mit seitlicher Toolingablage

Publications (2)

Publication Number Publication Date
EP0878251A1 EP0878251A1 (fr) 1998-11-18
EP0878251B1 true EP0878251B1 (fr) 2002-04-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP98108488A Expired - Lifetime EP0878251B1 (fr) 1997-05-16 1998-05-09 Presse-transfer avec un support latéral sur une table mobile pour les porte-pièce

Country Status (4)

Country Link
US (1) US5992209A (fr)
EP (1) EP0878251B1 (fr)
DE (2) DE19720518A1 (fr)
ES (1) ES2174347T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19927824A1 (de) * 1999-06-18 2000-12-21 Schuler Pressen Gmbh & Co Pressenanlage mit automatischem Werkzeugwechsel
DE19963063B4 (de) * 1999-12-22 2006-12-14 Müller Weingarten AG Transferpressenanlage
US7614323B2 (en) * 2001-11-29 2009-11-10 Warner Brent J Corkscrew for one handed operation
US7028527B2 (en) * 2003-03-18 2006-04-18 Aida Engineering Ltd. Workpiece processing system and method of reconfiguring a workpiece processing system
BR0305689A (pt) * 2003-04-27 2005-05-17 Luciano Trindade De Sousa Mont Transfer modular com giro ortogonal no sentido do fluxo
US7303382B1 (en) * 2004-04-08 2007-12-04 Bennett Tool & Die Co., Inc. Coil bridge conveyor
DE102006025272B3 (de) 2006-05-31 2007-11-22 Schuler Pressen Gmbh & Co. Kg Werkstückgreifereinrichtung für automatischen Toolingwechsel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59163036A (ja) * 1983-03-07 1984-09-14 Nissan Motor Co Ltd トランスフアプレスにおけるアイドルステ−ジのワ−ク受台構造
US4614265A (en) * 1985-07-22 1986-09-30 Danly Machine Corporation Apparatus for automatically splitting transfer feed rails in a transfer feed press
JPS63207425A (ja) * 1987-02-23 1988-08-26 Honda Motor Co Ltd 金型の交換方法
JPS63171227A (ja) * 1987-01-09 1988-07-15 Honda Motor Co Ltd トランスフアプレスマシンにおけるハンドリングバ−の搬出方法及びその装置
US5131256A (en) * 1989-11-09 1992-07-21 Sofy Hugh M Pivoting transfer unit mount for a stamping press
US5248288A (en) * 1991-03-29 1993-09-28 Hitachi Zosen Corporation Apparatus for changing work holder in transfer press
US5140839A (en) * 1991-06-27 1992-08-25 Hitachi Zosen Clearing, Inc. Cross bar transfer press

Also Published As

Publication number Publication date
DE19720518A1 (de) 1998-11-19
ES2174347T3 (es) 2002-11-01
EP0878251A1 (fr) 1998-11-18
DE59803812D1 (de) 2002-05-23
US5992209A (en) 1999-11-30

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