EP1072335B1 - Entraínement d'un mécanisme de transfert pour une presse - Google Patents

Entraínement d'un mécanisme de transfert pour une presse Download PDF

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Publication number
EP1072335B1
EP1072335B1 EP00113329A EP00113329A EP1072335B1 EP 1072335 B1 EP1072335 B1 EP 1072335B1 EP 00113329 A EP00113329 A EP 00113329A EP 00113329 A EP00113329 A EP 00113329A EP 1072335 B1 EP1072335 B1 EP 1072335B1
Authority
EP
European Patent Office
Prior art keywords
movement
lever
lifting
levers
transfer drive
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
EP00113329A
Other languages
German (de)
English (en)
Other versions
EP1072335A3 (fr
EP1072335A2 (fr
Inventor
Erich Harsch
Rainer Reichenbach
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.)
Mueller Weingarten AG
Original Assignee
Mueller Weingarten 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
Priority claimed from DE10012022A external-priority patent/DE10012022A1/de
Application filed by Mueller Weingarten AG filed Critical Mueller Weingarten AG
Publication of EP1072335A2 publication Critical patent/EP1072335A2/fr
Publication of EP1072335A3 publication Critical patent/EP1072335A3/fr
Application granted granted Critical
Publication of EP1072335B1 publication Critical patent/EP1072335B1/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
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work 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
    • 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
    • B21D43/055—Devices comprising a pair of longitudinally and laterally movable parallel transfer bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof

Definitions

  • the invention relates to a transfer drive for a press according to the preamble of claim 1.
  • a transport device for transporting parts in A transfer press consists of two in the transport direction of the parts running gripper rails, which are next to the longitudinal and Carry out an additional transverse movement, where gripper elements on the gripper rails themselves are provided. So that the transport elements when Machining process of the press within the tool room do not disturb, the gripper rails must three-dimensional transfer system from the tool room be moved out laterally.
  • DE 38 42 182 C1 is a gripper rail drive for Step presses become known, in which the Carry out a three-dimensional movement of the gripper rails.
  • the Carry out a three-dimensional movement of the gripper rails.
  • an additional transverse movement as a clamping or closing movement provided for gripping or clamping the workpieces.
  • each gripper rail is articulated via a push rod a slidable carriage mounted to a Adapt to the respective workpiece size.
  • the respective closing movement of the gripper rail then takes place as lateral pivoting movement on one in the transverse direction fixed sledge using appropriate ball joints.
  • DE 39 13 663 A1 also describes a transfer device for a transfer press where the drive of carriages in the parts transport direction by a Cam follower arrangement.
  • the lifting movement of the The running rail is driven by a Cam follower lever, its movement over a longitudinal bar and a deflection device is transmitted to the running rail.
  • a disadvantage of this prior art is the fact that the three-dimensional movements through complicated and dirt-sensitive guides for the individual Movement organs need to be supported and complicated Make protective covers necessary.
  • the guides in the area of Transport level or even below the transport level are arranged.
  • the invention has for its object a To create transfer drive that is largely based on dirt-sensitive guides for the individual Movement elements dispensed with.
  • the invention is based on the finding that an under rough production conditions used transfer drive if possible without dirt-sensitive guides for the individual Movement organs must get by. With this knowledge strikes the invention before a transfer drive made of moving Articulated rods in a hanging arrangement, whereby a kind "Floating storage” is achieved without additional guides.
  • a transfer drive made of moving Articulated rods in a hanging arrangement whereby a kind "Floating storage” is achieved without additional guides.
  • a kind of "multi-point suspension” is created, that is, the gripper rails are in all three axes of movement Defined hung on joints, so that on usual guides due to their sensitivity to dirt can be dispensed with. It is advantageous that all articulated rods and Push rods arranged above the transport plane of the parts are so that the underlying transport space without any contaminated guides equipped for the transfer drive can be.
  • the transfer drive is therefore used for all movements the gripper rails in all three directions of movement Articulated rods or push rods and levers equipped there these are connected to each other via swivel joints, which are very to seal against dirt much better than usual Linear guides.
  • swivel joints which are very to seal against dirt much better than usual Linear guides.
  • Another significant advantage of this arrangement is that the good accessibility of the work area, e.g. B. for that Spray system for engraving the shape or when changing the die.
  • Embodiment is a transfer for a Forging machine 1 as seen in side view in Fig. 3 and in left end view from the direction of arrow 2 in FIG. 1 and from the direction of arrow 3 in Fig. 2 is shown.
  • the two in the transport direction 4 through the forging machine or forging press 1 running gripper rails 5, 6 are each four hinge rods 7 to 14 gimbaled. Doing so the gripper rail 5 in the front machine area 15 of the two link rods 7, 8 and in the rear machine area 16 carried by the link rods 9, 10. This is from Fig. 3 in Side view recognizable. The outside of the in Fig. 3 Further gripper rail 6 lying in the drawing plane is in the front Area 15 through the articulated rods 11, 12 and in the rear Area 16 carried by the link rods 13, 14.
  • a lever shaft 18 in the rear machine area 16 there is a lever shaft 19, each with a lever 20, 21 and one Push rod 22 are operatively connected to each other.
  • Levers 23 to 26 are attached to the lever shafts 18, 19 which the individual joint rods 7 to 14 gimbal are hung.
  • the lever shaft 18 is rotatably mounted in the cam box 17 and from a pair of curves 27 via a roller lever 28 (Cam follower lever) driven.
  • the one in the back Machine area 16 arranged lever shaft 19 is in Bearing blocks 29, 30 rotatably mounted.
  • the drive of the lever shaft 19 takes place through the lever shaft 18 via the lever arrangement 20, 21 with push rod 22. This kinematics means that Lifting movement of the gripper rails 5, 6 performed.
  • the closing movement of the gripper rails 5, 6 takes place via the additional joint rods 31 to 34, the joint rods 31, 32 laterally gimbaled on the gripper rail 5 in the front 15 and rear machine area 16 are articulated.
  • the Articulated rods 33, 34 are equally gimbaled to the Gripper rail 6 in the front and rear machine area 15, 16 hinged on the side. For this, reference is made to FIGS. 1, 2.
  • the joint rods 31 to 34 are each on a first Leg 40 of an angle lever 35 to 38 articulated, each is held in a warehouse 39.
  • One more each Leg 40 'of the respective angle lever 35 to 38 is with each connected to an articulated rod 41 to 44, which in turn via levers 45 to 48, each with a lever shaft 49, 50 are connected.
  • the drive of the lever shaft 49 in the front Machine area 15 again takes place via a roller lever 51 by a pair of curves 52 in the curve box 17 in the front Machine area 15.
  • This rotary movement of the lever shaft 49 in front machine area 15 is in turn via a lever 53 a push rod 54 and via the lever 55 to the lever shaft 50 transmitted in the rear machine area 16.
  • a camshaft 63 is driven by the press itself driven and serves to drive the feed mechanism, the Clamping and closing mechanism and the lifting / Lowering mechanism.
  • FIG. 4 shows a basic position with a lowered transfer in an open clamping and Closing device.
  • Fig. 5 shows the position for the Part removal with lowered transfer in closed Position.
  • Fig. 6 shows the transfer in raised transport position with closed closing or Clamping mechanism.
  • the three-axis transfer is usually the three Movements, namely feed, lifting and closing, of one each Cam gear generated. This is also the first, before described embodiment.
  • a cost saving can be achieved in that the lifting and Closing movement carried out by a common cam mechanism becomes, that is, a movement becomes a vertical and creates a transverse movement. As shown in the figures 4 to 6 this is done by taking the following measures in there shown transfer drive 100 reached.
  • a rocker 101 which can be pivoted about a pivot point 102 is stored in two vertically displaceable Carriage 103, 104 two angle levers 105, 106 and one each Linkage lever 107, 108 rotatably mounted.
  • the gripper rails 109, 110 gimbaled 111 with universal joints At the angle and Linkage levers 105 to 108 are the gripper rails 109, 110 gimbaled 111 with universal joints.
  • the angle levers 105, 106 are each gimbal-mounted Push rod 112, 113 suspended in a lever 114, 115, the via a lever shaft 116 and roller lever 117 from the cam mechanism 118 is driven.
  • the closing movement for the gripper rails 109, 110 is over a stop 119 and the stroke movement via a stop 120 capped.
  • the cam mechanism takes one between lifting and closing Locked position in order to hit the stops hard avoid.
  • the rest of the drive mechanism is the same as for Embodiment according to FIGS. 1-3.
  • the lifting drive 122 moves the lifting shaft 123 on the lever 23, 24 are attached.
  • the execution of the lifting movement corresponds to that process already described, but is regulated by Stroke drive 122 the time, the stroke size and the Freely selectable lifting speed.
  • Closing shaft 125 exaggerates Levers 45, 47 the kinematic chain for the closing stroke of the Gripper rails 5, 6 in the form already described.
  • the feed drive 126 generates levers via feed shaft 127 58, 59 and articulated rods 56, 57 the horizontal part of the Transport step of the gripper rails 5, 6.
  • Drive 128 drives spindle 129 in connection with the nuts 130 attached to the mounting plates 131, 132 stands.
  • Construction plate 131, 132 are horizontal in guides 133 slidably mounted. Since the drive and Guide elements of the lifting and closing movement of the Gripper rails 5, 6 are located on the mounting plate 131, 132, can easily by a horizontal movement Width adjustment done.
  • the lifting and Closing shaft 123, 125 omitted and for each gripper rail 5, 6 a separate lifting drive 122 and closing drive 124 proposed.
  • This will increase the flexibility of the Transfer system further increased and enables, for example, across an inclined position of the gripper rails for the transport direction 5, 6 to each other or based on the closing drive asymmetrical closing movement.
  • push rods 22, 54 waived, and will also become their own at the end of the transfer
  • Lift actuators 122 and closing actuators 124 are provided as well an inclination of the gripper rails in the transport direction possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Forging (AREA)
  • Transmission Devices (AREA)
  • Specific Conveyance Elements (AREA)

Claims (16)

  1. Entraínement de transfert pour une presse comprenant un transport à trois axes de pièces à travers des postes de traitement, comprenant deux rails porteurs ou preneurs (5, 6 ; 109, 110) agencés parallèlement l'un à l'autre, suspendus à des tiges articulées et guidés, un mouvement longitudinal horizontal étant mis en oeuvre au moyen d'un mécanisme d'avancement, un mouvement de levage et d'abaissement étant mis en oeuvre au moyen d'un mécanisme de levage, et un mouvement transversal étant mis en oeuvre au moyen d'un mécanisme de tension ou de fermeture,
    caractérisé en ce que les rails preneurs (5, 6 ; 109, 110) sont suspendus et guidés dans tous les trois axes de mouvement, au moyen à chaque fois d'un dispositif à tiges articulées particulier (7 à 14 ; 31 à 34 ; 56, 57), sans élément de guidage supplémentaire.
  2. Entraínement de transfert selon la revendication 1,
    caractérisé en ce que les rails preneurs (5, 6) sont suspendus à la Cardan, sans guide supplémentaire, dans trois axes de mouvement, dans une suspension à plusieurs points, au moins à chaque fois à quatre tiges articulées (7 à 10 ou 11 à 14), de préférence les tiges articulées pouvant être levées et abaissées pour la mise en oeuvre du mouvement de levage ou d'abaissement, au moyen d'arbres à levier (18, 19) avec des leviers (23 à 26).
  3. Entraínement de transfert selon la revendication 1 ou 2,
    caractérisé en ce que des tiges articulées (7 à 14) sont suspendues, pour la mise en oeuvre du mouvement de levage ou d'abaissement, à leurs extrémités supérieures, dans des leviers (23 à 26) qui, quant à eux, sont entraínés par l'intermédiaire d'arbres à levier (18, 19) et de leviers à galet (28), au moyen d'une commande à came.
  4. Entraínement de transfert selon la revendication 1 ou 2,
    caractérisé en ce que, pour la mise en oeuvre du mouvement de tension ou de fermeture des rails preneurs (5, 6), on prévoit des tiges articulées (31 à 34) actionnables par l'intermédiaire de leviers coudés (35 à 38), les leviers coudés (35 à 38) étant quant à eux entraínés à chaque fois au moyen d'un arbre à levier (49, 50) avec des leviers individuels (45 à 48) et des tiges articulées associées (41 à 44).
  5. Entraínement de transfert selon l'une des revendications précédentes,
    caractérisé en ce que, pour la mise en oeuvre d'un mouvement d'avancement des rails preneurs (5, 6), on prévoit un entraínement à came (62) qui agit par l'intermédiaire d'un levier à galet (61) sur un arbre à levier (60), et en ce que l'arbre à levier (60) entraíne un levier d'entraínement (58, 59) et celui-ci entraíne une tige articulée (56, 57) reliée au rail preneur correspondant.
  6. Entraínement de transfert selon l'une des revendications précédentes,
    caractérisé en ce qu'aux rails preneurs (5, 6) sont associés à chaque fois deux dispositifs à tiges articulées avant (7, 8 ou 11, 12) et à chaque fois deux dispositifs à tiges articulées arrière (9, 10 ou 13, 14) pour le mouvement de levage et le mouvement d'abaissement respectivement, et à chaque fois une tige articulée avant (31, 33) et une tige articulée arrière (32, 34) pour le mouvement de tension et le mouvement de fermeture respectivement, les dispositifs à tiges articulées avant et arrière étant en liaison active par l'intermédiaire de tiges de poussée (22, 54).
  7. Entraínement de transfert selon l'une des revendications précédentes,
    caractérisé en ce que les tiges articulées (7 à 14) pour le mouvement de levage ou d'abaissement et/ou les tiges articulées (31 à 34) pour le mouvement de tension ou de fermeture sont entraínées à chaque fois au moyen d'un arbre à levier (18, 49) commandé à came.
  8. Entraínement de transfert en particulier selon l'une des revendications précédentes,
    caractérisé en ce que, pour la mise en oeuvre d'un mouvement de levage et de fermeture commun, une tige articulée (105, 106) reliée au rail preneur (109, 110) est à chaque fois réalisée sous forme d'un levier coudé, qui est logé dans un chariot (103, 104) déplaçable verticalement, et en ce que à chaque fois un levier (114, 115) logé sur un arbre à levier (116) réalise un mouvement de basculement et un mouvement de levage du levier coudé (105, 106) qui y est à chaque fois suspendu à la Cardan.
  9. Entraínement de transfert selon la revendication 7,
    caractérisé en ce que la limitation du mouvement de fermeture ou du mouvement de levage est réalisée au moyen de butées (119, 120) pour les leviers coudés (105, 106).
  10. Entraínement de transfert selon la revendication 1,
    caractérisé en ce que les rails preneurs (5, 6) sont suspendus à la Cardan, sans guide supplémentaire, dans trois axes de mouvement, dans une suspension à plusieurs points, au moins à chaque fois à quatre tiges articulées (7 à 10 ou 11 à 14), de préférence les tiges articulées pouvant être levées et abaissées pour la mise en oeuvre du mouvement de levage ou du mouvement d'abaissement au moyen d'un entraínement de levage (122) et d'un arbre de levage (123, 19) avec des leviers (23 à 26).
  11. Entraínement de transfert selon la revendication 1,
    caractérisé en ce que, pour la mise en oeuvre du mouvement de tension ou du mouvement de fermeture des rails preneurs (5, 6), on prévoit des tiges articulées (31 à 34) actionnables par l'intermédiaire de leviers coudés (35 à 38), les leviers coudés (35 à 38) étant entraínés quant à eux au moyen à chaque fois d'un arbre de fermeture (125, 50) avec des leviers individuels (45 à 48) et des tiges articulées associées (41 à 44) par l'intermédiaire d'un entraínement de fermeture (124).
  12. Entraínement de transfert selon l'une des revendications précédentes,
    caractérisé en ce que, pour la mise en oeuvre d'un mouvement d'avancement des rails preneurs (5, 6), on prévoit un entraínement d'avancement (126) qui entraíne, par l'intermédiaire d'un arbre d'avancement (127), un levier d'entraínement (58, 59) et celui-ci une tige articulée (56, 57) reliée au rail preneur correspondant.
  13. Entraínement de transfert selon l'une ou plusieurs des revendications précédentes,
    caractérisé en ce que le mécanisme de levage et/ou le mécanisme de fermeture sont montés sur des plaques de montage (131, 132) et ces plaques de montage (131, 132) sont guidées et logées dans des guides horizontaux (133).
  14. Entraínement de transfert selon la revendication 13,
    caractérisé en ce qu'un écrou (130) est fixé sur la plaque de montage (131, 132), qui est en liaison active par l'intermédiaire d'un pivot (129) avec l'entraínement (128).
  15. Entraínement de transfert selon la revendication 1,
    caractérisé en ce que les rails preneurs (5, 6) sont suspendus à la Cardan, sans guide supplémentaire, dans trois axes de mouvement, dans une suspension à plusieurs points, au moins à chaque fois à quatre tiges articulées (7 à 10 ou 11 à 14), de préférence les tiges articulées pouvant être levées et abaissées pour la mise en oeuvre du mouvement de levage ou du mouvement d'abaissement au moyen d'un entraínement de levage (122) avec des leviers (23 à 26).
  16. Entraínement de transfert selon la revendication 1,
    caractérisé en ce que, pour la mise en oeuvre du mouvement de tension ou du mouvement de fermeture des rails preneurs (5, 6), on prévoit des tiges articulées (31 à 34) actionnables par l'intermédiaire de leviers (134 à 137), les leviers (134 à 137) pouvant être entraínés quant à eux au moyen à chaque fois d'un entraínement de fermeture (124).
EP00113329A 1999-07-27 2000-06-23 Entraínement d'un mécanisme de transfert pour une presse Expired - Lifetime EP1072335B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19934460 1999-07-27
DE19934460 1999-07-27
DE10012022A DE10012022A1 (de) 1999-07-27 2000-03-11 Transferantrieb für eine Person
DE10012022 2000-03-11

Publications (3)

Publication Number Publication Date
EP1072335A2 EP1072335A2 (fr) 2001-01-31
EP1072335A3 EP1072335A3 (fr) 2001-11-07
EP1072335B1 true EP1072335B1 (fr) 2003-12-17

Family

ID=26004808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00113329A Expired - Lifetime EP1072335B1 (fr) 1999-07-27 2000-06-23 Entraínement d'un mécanisme de transfert pour une presse

Country Status (4)

Country Link
US (1) US6338264B1 (fr)
EP (1) EP1072335B1 (fr)
CZ (1) CZ297659B6 (fr)
ES (1) ES2212942T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006052914B3 (de) * 2006-11-08 2008-07-24 Müller Weingarten AG Transfervorrichtung für eine Presse

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7128195B2 (en) * 2004-03-22 2006-10-31 Linear Transfer Systems Ltd. Workpiece transfer system for stamping press
JP6671119B2 (ja) 2015-07-31 2020-03-25 コマツ産機株式会社 ワーク搬送装置

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
DE401334C (de) 1924-08-30 Ag Deutsche Maschf Schiffsaufschleppwagen
DE210745C (fr)
DE2061043C3 (de) * 1970-12-11 1974-04-11 Eumuco Ag Fuer Maschinenbau, 5090 Leverkusen Gesenkschmiedepresse mit selbsttätigem Werkstücktransport
DE2708457C2 (de) * 1977-02-26 1989-04-27 Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo Transportmechanismus für Schmiedemaschinen
JPS6341304A (ja) * 1986-08-08 1988-02-22 Sumitomo Heavy Ind Ltd メカニカルトランスフアフイ−ダ
DE3706160A1 (de) * 1987-02-26 1988-09-08 Eumuco Ag Fuer Maschinenbau Hubbalken-automatik fuer gesenkschmiedepressen u. dgl.
SU1433594A1 (ru) * 1987-04-06 1988-10-30 Производственное объединение "Новокраматорский машиностроительный завод" Грейферное подающее устройство к прессу
DE3721694A1 (de) * 1987-07-01 1989-01-12 Eumuco Ag Fuer Maschinenbau Steuereinrichtung fuer die hubbalken-automatik einer schmiedepresse
DE3842182C1 (fr) * 1988-12-15 1989-09-28 Maschinenfabrik Mueller-Weingarten Ag, 7987 Weingarten, De
DE3913663A1 (de) * 1989-04-26 1990-10-31 Schuler Gmbh L Umsetzeinrichtung in einer transferpresse o.dgl. umformmaschine
DD286979A5 (de) * 1989-08-15 1991-02-14 Veb Kombinat Umformtechnik "Herbert Warnke",De Greiferschienenantrieb fuer transferpressen
JPH0785819B2 (ja) * 1991-09-30 1995-09-20 株式会社栗本鐵工所 鍛造プレスの自動搬送装置
JP2790267B2 (ja) * 1993-06-30 1998-08-27 住友重機械工業株式会社 熱間鍛造プレスのトランスファフィーダ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006052914B3 (de) * 2006-11-08 2008-07-24 Müller Weingarten AG Transfervorrichtung für eine Presse

Also Published As

Publication number Publication date
EP1072335A3 (fr) 2001-11-07
CZ20002645A3 (cs) 2001-09-12
CZ297659B6 (cs) 2007-02-28
US6338264B1 (en) 2002-01-15
EP1072335A2 (fr) 2001-01-31
ES2212942T3 (es) 2004-08-16

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