EP0155332B1 - Support intermédiaire de pièce dans une presse-transfert - Google Patents

Support intermédiaire de pièce dans une presse-transfert Download PDF

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Publication number
EP0155332B1
EP0155332B1 EP84103029A EP84103029A EP0155332B1 EP 0155332 B1 EP0155332 B1 EP 0155332B1 EP 84103029 A EP84103029 A EP 84103029A EP 84103029 A EP84103029 A EP 84103029A EP 0155332 B1 EP0155332 B1 EP 0155332B1
Authority
EP
European Patent Office
Prior art keywords
templates
receiving
lifting device
area
unit according
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
Application number
EP84103029A
Other languages
German (de)
English (en)
Other versions
EP0155332A1 (fr
Inventor
Hermann Braun
Helmut Dumschat
Kurt Strommer
Sieghard Müller
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
Priority to DE8484103029T priority Critical patent/DE3473574D1/de
Priority to EP84103029A priority patent/EP0155332B1/fr
Priority to US06/710,089 priority patent/US4641515A/en
Priority to BR8501137A priority patent/BR8501137A/pt
Publication of EP0155332A1 publication Critical patent/EP0155332A1/fr
Application granted granted Critical
Publication of EP0155332B1 publication Critical patent/EP0155332B1/fr
Expired 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
    • B21D43/057—Devices for exchanging transfer bars or grippers; Idle stages, e.g. exchangeable

Definitions

  • the invention relates to a clipboard of the type specified in the preamble of claim 1.
  • transfer presses such as two-column presses and multi-column presses
  • the length of the transfer movement of the workpieces is set via the drive of the transport device.
  • the distance between z. B. the third stage of work and the fourth stage of work in a multi-column press is larger due to the empty stage between two press stands, z. B. twice as large as the distance between the applied by a single plunger and adjacent stages.
  • a deposit is to be provided, in which workpieces can be removed from the transport device in the meantime and can be detected again.
  • JP-A-58 100 927 which forms the preamble of claim I, devices for the intermediate storage of workpieces are shown in the empty stages of a press. These devices include storage templates with a support surface adapted to the underside of the workpiece. The storage templates can be swung up into the support area from the area below. To support a sheet, two storage templates are provided, which are to be locked in the support position after swiveling up.
  • the object of the invention is to provide a clipboard in the area of empty stages in presses of the types specified above, which does not have the disadvantages mentioned, can also be used in presses with a lock case and can be moved in height to the piston stop in order to achieve the desired position of the storage templates.
  • Claim 2 contains an advantageous development of the inventive concept.
  • the further claims contain four preferred embodiments of the invention.
  • Advantages of the invention result from the fact that starting, lifting and lowering of the storage templates is fully automated when changing tools, and there is no need for replacement and readjustment work.
  • the control effort is reduced to a positioning of the storage templates to be lifted and the lifting process against the stop.
  • the clipboard is located between two stands 1 of a press.
  • the transport direction of the workpieces in Figures 1, 3 and 6 is perpendicular to the plane of the drawing; 2, 4 and 5, the direction of transport, which characterizes the direction of the workpiece passage, is indicated by the arrow 2.
  • the over the transport device, of which gripper-carrying rails 3 are shown, optionally into the press, through the press and, if applicable, workpieces 4 guided therefrom are to be deposited in the area between the two stands 1, which are opposite one another transversely to the transport direction 2.
  • support templates 6 are used for support, the support surfaces 7 of which, which can also be of divided design, correspond to the shape in the support area of the underside of the workpiece 4 to be supported.
  • the storage templates can run in their longitudinal extent in the transport direction 2, FIGS. 1 to 4, and also transversely to the transport direction 2, FIGS. 5 and 6.
  • the embodiments show favorable positions of the storage templates 6.
  • the invention is not tied to the indicated lock case 8, its presence and its position.
  • the storage templates 6 are adjustable in height and divided into two groups for supporting the workpieces 4 at a distance from one another. 1 to 4 show storage templates 6, which have pivot bearings 11 on their underside in the end regions 9 (FIGS.
  • a bearing block 13 is articulated, which is guided via guide rails 14 in slide guides 16 of a bearing rail 17 fixed to the frame in FIGS. 1 and 2.
  • the bearing rail 17 can be made in one piece for each bearing side 18, 19 and extends essentially over the entire width / length of the support area / the empty step.
  • the storage sides 18, 19 respectively identify the left and right support sides of the storage templates 6 and their lifting means in FIGS. 2, 4 and 6 or the rear and front support sides in FIGS. 1, 3 and 5. Positions 18 , 19 are only shown in FIG. 2, since the same means are used for both support sides within the respective embodiment.
  • each bearing block 13 there is also a counter bearing surface 21 which interacts with the piston 22 of a working cylinder-piston unit 23 or a corresponding actuating means for lifting.
  • Each working cylinder-piston unit 23, hereinafter referred to as lifting means, is fastened in FIGS. 1 and 2 to a slide 24 which can be moved back and forth in slide rails 26 by means of a spindle 27 in the horizontal direction.
  • the spindle 27 is movable by a motor 28 to the left and to the right.
  • the storage templates 6, which are twice as many as the number of differently shaped workpieces that may have to be produced, are divided into groups (left and right groups in FIGS. 1, 3, 5) in accordance with their support positions.
  • a lifting device 23 is assigned to each end region 9 of each group of storage templates 6. Motor 28, spindles 27 and slide rails 26 are fastened to the bearing rail 17 via bearing brackets 29.
  • a toothed belt drive consisting of toothed belts 31 and toothed wheels 32, 33 is used for synchronous running of the slides 24 on the opposite side of the storage templates 6, or two motors 28 acting on one spindle 27 each are required.
  • the carriage 24 can only be moved if 13 associated query means, z. B. proximity switch 34, the lowered position of all or the position of the two last-used storage templates 6 has been determined.
  • the lifting means 23 are adjusted via the motor-spindle-slide drive, and each piston 22 of the lifting means 23 comes under the counter surface 21 of the storage template 6 to be lifted.
  • the height of the counter surface 21 on the storage templates 6 can be different, so that the lifting means can be moved in different empty paths until it rests on the counter surface.
  • the height of the bearing surface 7 can be adjusted via the overall height of the storage templates 6 and the path of the piston 22 of the lifting means 23 which is still to be moved up to the stop.
  • FIGS. 1 and 2 show the same components as FIGS. 1 and 2, with the difference that the lifting means 23 are arranged fixed to the frame in all (differently shaped) workpieces common support area.
  • Each group of storage templates 6 can be moved horizontally via a spindle drive in order to place the pair of storage templates 6 to be lifted above the lifting means 23.
  • Each group of storage templates 6 is arranged on a common, movable carriage 36, each storage template 6 being mounted for vertical movement in the manner described above.
  • To drive the carriage 36 in z. B. counter-rotating movement is a driven by the motor 28 spindle 30 which is supported in the center in a bearing block 37.
  • Storage templates 6 and their drive and bearing means are supported on the frame side by means of pedestals 38.
  • FIG. 5 and 6 a further simplified embodiment of an intermediate storage is shown, which over bearing rails 39 and support plates 41 on z. B. the lock case 8 is attached.
  • slide guides 42 are provided for the storage templates 6 to be lifted.
  • a counter-surface 21 is arranged on the underside of each storage template 6 with respect to each end region 9.
  • a frame construction consisting of two side supports 43, which are connected to one another via two guide rods 44, is arranged below the storage templates 6. The frame can be lifted and lowered (vertically) by one or more lifting devices 47 fixed to the frame in the area of the side supports 43 in the region of the side supports 43.
  • a spindle 48 which can be driven by the motor 28 is mounted centrally and extending in the longitudinal extent of the intermediate storage.
  • an intermediate member 49 is arranged which can be moved in the longitudinal direction of the frame construction and which interacts with the counter surfaces 21 on the selected storage template 6 when the lifting means 47 is actuated in the manner of lifting the storage template 6.
  • the intermediate member 49 is additionally shown rotated by 90 ° in FIG. 5.
  • Motor 28 and angle encoder 50 can be attached to the overall frame structure to be lifted in accordance with FIGS. 5 and 6 and thus be lifted when lifting a pair of storage templates 6.
  • Motor 28 and angle encoder 50 can, as shown in more detail in FIGS. 5 and 6, be mounted fixed to the frame.
  • sliding blocks 51 are to be provided in the intermediate members 49 as nuts for the spindle 48.
  • the sliding blocks 51 are guided in vertically extending elongated holes 52 of the intermediate links.
  • the side supports 43 accordingly have cutouts 53 for the free passage of the spindle 48.
  • 5 and 6 also include the possibilities of separate drives from z.
  • Each spindle according to this embodiment is mounted parallel to the guide rods 44 and in engagement with one intermediate member 49 per group of storage templates 6 on one bearing side and motor-driven.
  • the spindles 27, 30, 48 in FIGS. 1 to 6 and the further embodiments according to FIGS. 5 and 6 are each provided with a left-hand or right-hand thread starting from one spindle end up to approximately the middle of their length.
  • the rotary angle transmitters 50 shown serve to deliver the rotary position of the spindles (travel distance of the slides 24, 36, 49) of corresponding signals to the press automation for the control and positioning of the motors 28. 5 are used to position tables that can be moved out of the press area and carry the tools.
  • the relative movement - displacement movement - between the storage templates 6 and the lifting means 22, 23, 47 is shown in FIGS. 1 and 2 by the one or two motors 28, the spindles 27 and the slide 24, in FIGS. 3 and 4 by the motor 28, the spindle 30 and the carriage 36 and in FIGS. 5 and 6 by the motor 28, the spindle or spindles 48 and the intermediate members 49.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Press Drives And Press Lines (AREA)

Claims (10)

1. Support intermédiaire pour des pièces (4) qui sont essentiellement de grande surface, dans la région d'un étage à vide du trajet des pièces (flèche 2) d'une presse transfert, qui est déterminée par un appareil transporteur, comprenant au moins deux appuis profilés (6) pour chaque pièce (4) qui peut présenter une configuration variable, ces appuis profilés présentant des surfaces de portée (7) qui sont adaptées à la face inférieure que la pièce (4) présente dans la région de soutien, les appuis profilés (6) pouvant être amenés sélectivement, par un mouvement de réglage, dans la position de soutien des pièces (4), caractérisé en ce que les appuis profilés (6) sont montés de façon à être mobiles en mouvement rectiligne dans la direction verticale et de façon à pouvoir être soulevés en mouvement rectiligne par l'intermédiaire d'au moins un moyen de levage (22, 23; 47), et en ce que des moyens de réglage (28, 24, 27, 30, 36, 40, 49) sont prévus:
- pour un mouvement de translation horizontale de tous les appuis profilés (6) si le moyen de levage (22, 23) est monté fixe en position,
- pour un mouvement de translation horizontale du moyen de levage (22, 23) si les appuis profilés (6) sont montés fixes en position, et
- pour un mouvement de translation d'au moins un élément intermédiaire (49) monté mobile en translation horizontale entre les appuis profilés (6) et le moyen de levage (47), élément qui transmet le mouvement vertical du moyen de levage (47) aux appuis profilés (6) à soulever, si les appuis profilés (6) et le moyen de levage (47) sont montés en position fixe.
2. Support intermédiaire selon la revendication 1, caractérisé en ce que les appuis profilés (6) sont agencés, en un nombre égal à celui des différentes pièces (4) qu'il s'agit de fabriquer dans la presse, en un groupe d'appuis profilés qui donne appui aux pièces dans une première région tandis que d'autres appuis profilés (6) de même nombre sont agencés en un groupe qui donne appui aux pièces dans une deuxième région, éloignée de la première région, et en ce qu'un moyen de levage (22,23; 47) est associé à chacune des régions d'extrémités (9) de chaque groupe d'appuis profilés (6).
3. Support intermédiaire selon la revendication 2, caractérisé en ce que les moyens de levage (22, 23) sont montés mobiles sur des moyens de guidage
(26) formant rail et peuvent se déplacer d'une façon synchrone l'un par rapport à l'autre par l'intermédiaire sous l'action d'au moins un moyen moteur (24, 27, 28).
4. Support intermédiaire selon la revendication 3, caractérisé en ce que les moyens de levage (22, 23) sont des vérins à cylindre et piston qui sont montés sur des chariots (44) qui peuvent être entraînés par l'intermédiaire d'un mécanisme à vis (28) servant de moyen moteur.
5. Support intermédiaire selon la revendication 2, caractérisé en ce que chaque extrémité (9) de chaque appui profilé (6) est tenue, par l'intermédiaire d'une articulation (11), dans un support d'articulation (13), une articulation étant mobile dans un trou allongé (12) qui s'étend dans la direction des articulations, pour compenser les différences des courses de levage, en ce que chaque support d'articulation (13) est guidé dans au moins un guide (16) qui s'étend dans la direction du levage et en ce que chaque support d'articulation (13) présente, dans la région de l'articulation (11), une surface du butée (21) contre laquelle porte le moyen de levage (22, 23).
6. Support intermédiaire selon la revendication 2, caractérisé en ce que les moyens de levage (22, 23) sont des vérins à piston-cylindre montés fixes par rapport au châssis, en ce qu'à chaque région d'extrémité (9) de chaque groupe d'appuis profilés (6), est associé un moyen de levage (22, 23), placé au point de soutien de la pièce (4), et en ce que chaque groupe d'appuis profilés (6) peut être mis en mouvement par l'intermédiaire d'au moins un moyen moteur (28, 30, 36), les groupes étant mis en mouvement en synchronisme entre eux.
7. Support intermédiaire selon la revendication 2, caractérisé en ce qu'entre chaque région d'extrémité (9) de chaque groupe d'appuis profilés (6) mobiles dans la direction verticale mais agencés fixes par ailleurs, et le ou les moyen(s) de levage (47) monté(s) fixe(s) par rapport au châssis et constitué(s) par un ou des vérin(s) à piston-cylindre, est interposé un organe intermédiaire (49) qui peut être amené au moyen d'un moyen moteur (28, 48) dans la région d'extrémité de l'appui profilé (6) qu'il s'agit de soulever, les éléments intermédiaires (49) de toutes les régions d'extrémités pouvant être mis en mouvement de façon synchrone à l'aide du moyen moteur (28,48).
8. Support intermédiaire selon la revendication 2, caractérisé par une barre de guidage (44) associée à chaque côté de montage (18, 19), et qui s'étend sensiblement sur les régions d'extrémités (9) des supports (6) des deux groupes et qui peut être soulevée par au moins un moyen de levage (47); une vis (48) entraînée par un moteur, guidée parallèlement à chaque barre de guidage et un élément intermédiaire (49) associé à chaque région d'extrémité de chaque groupe d'appuis profilés (6) qui peut être mise en mouvement par une vis et qui peut être soulevée par l'intermédiaire des barres de guidage (44).
9. Support intermédiaire selon la revendication 2, caractérisé en ce que la face inférieure de chaque appui profilé (6) présente dans les régions d'extrémités une surface de butée (21) contre laquelle un moyen de levage (22,23; 47) peut être mis en appui, soit directement, soit éventuellement, avec interposition d'un élément intermédiaire (49), et en ce que la surface de butée (21) est réglée en hauteur de telle manière que la surface de portée (7) de l'appui profilé (6) se place à la hauteur d'appui lorsque le piston (22) d'un moyen de levage (22, 23) constitué par un vérin à cylindre et piston amené en butée.
EP84103029A 1984-03-20 1984-03-20 Support intermédiaire de pièce dans une presse-transfert Expired EP0155332B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE8484103029T DE3473574D1 (en) 1984-03-20 1984-03-20 Intermediate work piece support in a transfer press
EP84103029A EP0155332B1 (fr) 1984-03-20 1984-03-20 Support intermédiaire de pièce dans une presse-transfert
US06/710,089 US4641515A (en) 1984-03-20 1985-03-11 Intermediate storage in a transfer press
BR8501137A BR8501137A (pt) 1984-03-20 1985-03-14 Deposito intermediario em uma prensa transferidora

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84103029A EP0155332B1 (fr) 1984-03-20 1984-03-20 Support intermédiaire de pièce dans une presse-transfert

Publications (2)

Publication Number Publication Date
EP0155332A1 EP0155332A1 (fr) 1985-09-25
EP0155332B1 true EP0155332B1 (fr) 1988-08-24

Family

ID=8191835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84103029A Expired EP0155332B1 (fr) 1984-03-20 1984-03-20 Support intermédiaire de pièce dans une presse-transfert

Country Status (4)

Country Link
US (1) US4641515A (fr)
EP (1) EP0155332B1 (fr)
BR (1) BR8501137A (fr)
DE (1) DE3473574D1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE102013223252A1 (de) * 2013-11-14 2015-05-21 Trumpf Sachsen Gmbh Maschinelle Werkstück-Transfervorrichtung sowie maschinelle Entladevorrichtung und maschinelle Anordnung zum Bearbeiten von Werkstücken mit einer derartigen Werkstück-Transfervorrichtung

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DE4001590A1 (de) * 1989-02-15 1990-08-16 Mueller Weingarten Maschf Grossteil-stufenpresse
DD280489A1 (de) * 1989-03-13 1990-07-11 Warnke Umformtech Veb K Einrichtung zum wechseln der in der leerstufe des seitenstaenders angeordneten formmaske einer transferpresse bei werkzeugwechsel
DE3931081A1 (de) * 1989-09-18 1991-03-28 Schuler Gmbh L Zwischenablage zwischen bearbeitungsstufen einer presse
DE4122074C2 (de) * 1991-07-04 1998-11-19 Erfurt Umformtechnik Gmbh Ablage für Blechformteile in Leerstufen einer Transferpresse
JP2689769B2 (ja) * 1991-07-17 1997-12-10 日産自動車株式会社 鍛造方法および鍛造装置
US5249785A (en) * 1992-04-20 1993-10-05 Boeing Commercial Airplane Group Reconfigurable holding fixture
DE4237312A1 (de) * 1992-11-05 1994-05-11 Schuler Gmbh L Transferpresse o. dgl. Umformmaschine
US5632181A (en) * 1995-02-23 1997-05-27 Verson, A Division Of Allied Products Corporation System and method for transferring a work piece in a multi-station press
US5875673A (en) * 1997-12-30 1999-03-02 Verson, A Division Of Allied Products Corporation Orientation station for multi-station metal-forming machines
DE19919433A1 (de) * 1999-04-29 2000-11-02 Schuler Pressen Gmbh & Co Orientierstation mit Stabgetriebe
US20060191312A1 (en) * 2004-03-16 2006-08-31 Mccallum Scott Tri-axis hard die check
KR100655530B1 (ko) * 2005-10-20 2006-12-08 기아자동차주식회사 사이드쉬프트 겸용 자동 아이들 조정장치
BR112014031073A2 (pt) 2012-06-13 2017-08-22 Norgren Automation Solutions Llc Aparelho para suportar uma peça de trabalho
FR3012060B1 (fr) * 2013-10-23 2016-02-19 Peugeot Citroen Automobiles Sa Element d'appui d'une piece sur une platine et poste a vide comportant un tel element d'appui.
US11185955B2 (en) 2016-02-15 2021-11-30 Norgren Automation Solutions, Llc Template support for workpiece
DE102022206512A1 (de) 2022-06-28 2023-12-28 Volkswagen Aktiengesellschaft Teileablage zum Ablegen von Blechwerkstückteilen in einer Pressenstraße oder Stufenpresse

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DE3245603C1 (de) * 1982-12-09 1984-02-09 Maschinenfabrik Müller-Weingarten AG, 7987 Weingarten Ablage fuer Werkstueckteile in einer z.B.im Zwischenstaender vorhandenen sogenannten Leerstufe einer Grossteil-Stufenpresse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013223252A1 (de) * 2013-11-14 2015-05-21 Trumpf Sachsen Gmbh Maschinelle Werkstück-Transfervorrichtung sowie maschinelle Entladevorrichtung und maschinelle Anordnung zum Bearbeiten von Werkstücken mit einer derartigen Werkstück-Transfervorrichtung
DE102013223252B4 (de) * 2013-11-14 2015-09-03 Trumpf Sachsen Gmbh Maschinelle Werkstück-Transfervorrichtung sowie maschinelle Entladevorrichtung und maschinelle Anordnung zum Bearbeiten von Werkstücken mit einer derartigen Werkstück-Transfervorrichtung

Also Published As

Publication number Publication date
EP0155332A1 (fr) 1985-09-25
DE3473574D1 (en) 1988-09-29
BR8501137A (pt) 1985-11-12
US4641515A (en) 1987-02-10

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