EP1708835A1 - Dispositif de transport concu pour des pieces a usiner dans des presses - Google Patents

Dispositif de transport concu pour des pieces a usiner dans des presses

Info

Publication number
EP1708835A1
EP1708835A1 EP05707039A EP05707039A EP1708835A1 EP 1708835 A1 EP1708835 A1 EP 1708835A1 EP 05707039 A EP05707039 A EP 05707039A EP 05707039 A EP05707039 A EP 05707039A EP 1708835 A1 EP1708835 A1 EP 1708835A1
Authority
EP
European Patent Office
Prior art keywords
mounting rail
transport device
locks
end pieces
rail
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
EP05707039A
Other languages
German (de)
English (en)
Other versions
EP1708835B1 (fr
Inventor
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
Application filed by Mueller Weingarten AG filed Critical Mueller Weingarten AG
Publication of EP1708835A1 publication Critical patent/EP1708835A1/fr
Application granted granted Critical
Publication of EP1708835B1 publication Critical patent/EP1708835B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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

Definitions

  • the invention relates to a transport device for workpieces through processing stations of a press, in particular a step press or the like, according to the preamble of claim 1.
  • step press If the production of a workpiece requires several machining processes, such as cutting and forming, the individual operations required for economical production are carried out in a so-called step press.
  • the number of tools then corresponds to the number of work stages that are required for the manufacturing process of the workpieces.
  • the transport device can be designed as a 2-axis transfer or 3-axis transfer, which defines the movement axes of the means of transport.
  • the transport device can be designed as a 2-axis transfer or 3-axis transfer, which defines the movement axes of the means of transport.
  • support rails running through the press on both sides are provided, on which cross members equipped with suction cups or the like for workpiece transport
  • BESTATIGUNGSKOPIE are attached, which perform an overlapping horizontal and vertical movement.
  • the mounting rails are designed as so-called gripper rails, which perform a transverse movement in addition to the horizontal and vertical movement and grip the workpiece by means of gripper elements in order to transport it from one processing stage to the next.
  • the 3-axis or gripper transfer is preferably used for transporting externally graspable, rigid sheet metal parts.
  • the three axes can be driven directly via cams and levers from the press drive or each movement axis is equipped with its own drive.
  • a 3-axis transfer, each with its own drives, is disclosed in US Pat. No. 4,887,446.
  • the vertical movement and the closing movement, transversely to the direction of the press run, is carried out by means of electric motors or hydraulic cylinders.
  • An electric linear drive is proposed for executing the horizontal movement of the mounting rails.
  • a device for coupling and uncoupling gripper rail parts is described in detail in DE 36 36 010.
  • Gripper rail lock is proposed a device acting on the swing clamp principle.
  • In addition to the necessary complex design requires in particular the achievement of a free space of the gripper rail parts to each other, for the changing process, a considerable effort.
  • this movement can also be carried out by transport carriages on the mounting rails.
  • the invention has for its object to design such a device for a press and in particular for a press with two 'or three-axis transfer a linear drive for the horizontal movement that this is constructed inexpensively and at a high power requirement results in a compact design.
  • the linear drive should enable easy replacement of the gripper rails when changing tools.
  • the invention is based on the idea of providing two linear drives per mounting rail for the horizontal movement.
  • These linear drives are arranged in such a way that the carrier rail can be changed in a simple manner.
  • the linear motors are located essentially at the outer ends of the mounting rail. These are outer ends separate from the mounting rail to be replaced and releasably connected to it via mounting rail locks.
  • the mounting rail locks are also located in the independent end pieces and only one clamping head engages in the replaceable mounting rail.
  • the connection is released and the end pieces are moved apart horizontally by a defined amount by means of the linear motors, which makes it easy to change tools.
  • the rail lock can be formed in a very simple form by this sequence of movements.
  • the support rail is designed as a gripper rail in a 3-axis transfer that is preferably used.
  • the press table is designed as a sliding table on which the tool is located. All part-dependent accessories required for workpiece transport are also placed on the sliding table and moved out of the press.
  • a new tool is clamped on a sliding table outside the press and the part-dependent accessories are arranged.
  • the press is automatically converted to the new production and the replaced rail parts are also tensioned by the rail locks.
  • the linear drives move the mounting rail end pieces with the mounting rail locks located therein so far in the direction of the mounting rail that the clamping heads can engage in the receptacle provided in the mounting rail.
  • the mounting rail locks tension the mounting rail and the End pieces together and thereby the mounting rail is also firmly connected to the linear drive.
  • linear drives advantageously fulfills the task.
  • Recent developments have made drives with high dynamics and fast stroke rates available. Since these drives work without wear, a permanent high positioning accuracy is guaranteed over the entire life cycle.
  • the operational safety is increased when two drives are used, since if one drive fails, the second drive moves the mounting rail and in particular the grippers on a gripper rail out of the collision area.
  • the invention is used particularly advantageously in a 3-axis transfer. Further advantages and details of the invention result from the description and the figures of an exemplary embodiment.
  • FIG 1 partial view of a step press with a tensioned support rail, which is designed as a gripper rail.
  • Figure 2 as Figure 1, but with the gripper rail released Figure 3 detail of the gripper rail
  • the exemplary embodiment describes a 3-axis transfer with gripper rail drive.
  • the plunger 2 and sliding table 3 is shown by a step press 1 to which the upper tools 4 and lower tools 5 are attached.
  • the so-called lock boxes 8, 9 are arranged in the area of the stands 6, 7. These lock boxes 8, 9 are provided with drive devices which carry out a vertical and a closing stroke of the gripper rail 10.
  • Such lock boxes 8, 9 are known and e.g. in DE 43 36 854 AI of the applicant described in detail.
  • the gripper rail 10 also includes the gripper rail end pieces 11, 12. The connections of the gripper rail 10 with the end pieces 11, 12 "result in gripper rail locks 13.
  • the gripper rail locks 13 are designed as pivot clamps or rotary tension clamps, the base bodies 14 of which are directly connected to the tensioning drive Hollow profile of the gripper rail end pieces 11, 12 are integrated, while the clamping heads 15 engage and clamp in the corresponding receptacles of the gripper rail 10.
  • the linear drives are designated 16 and 17 and consist of a primary part 18, 19 and a secondary part 20, 21.
  • the primary part 18, 19 is arranged on the locking boxes 8, 9.
  • the secondary part 20 is connected to the gripper rail end piece 11 while the secondary part 21 is divided and is fastened to both the gripper rail 10 and the gripper rail end piece 12.
  • the linear drives 16, 17 effect the horizontal movement of the workpieces in the transport direction 22 as well as the return stroke against the transport direction 22 in the 3-axis transfer.
  • FIG. 2 The situation for a tool change is shown in FIG. 2.
  • the gripper rail locks 13 are open and the linear drives 16, 17 move the gripper rail end pieces 11, 12 horizontally and in opposite directions to such an extent that there is free space for the gripper rail 10.
  • the uncoupled gripper rail 10 is placed and held on receptacles 23 which are located on the sliding table 3.
  • the division of the secondary part 21 into a part which is fastened to the gripper rail 10 and a part which is located on the gripper rail end piece 12 enables the required space for changing the gripper rail with the shortest design and little horizontal movement.
  • FIG. 3 A detail of the invention is shown in FIG. 3.
  • the arrangement of the linear drive 16 can be seen in the sectional view in the region of the gripper rail part.
  • the primary part 18 is connected to a receptacle 23 of the lock case 8.
  • the secondary part 20 is fastened to the gripper rail end piece 11.
  • the clamping head 15 is in the swiveled-in clamping position of the gripper rail lock.
  • the gripper rail end piece 11 is guided and held in the receptacle 23 by the linear guides 24.
  • the invention is not restricted to the exemplary embodiment shown and described. It also encompasses all professional further training within the framework of the inventive idea.
  • the device according to the invention can in principle also be transferred to a 2-axis transfer with suction beam workpiece transport.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Specific Conveyance Elements (AREA)
  • Manipulator (AREA)
  • Reciprocating Conveyors (AREA)
  • Automatic Assembly (AREA)

Abstract

L'invention concerne un dispositif de transport, en particulier un dispositif de transfert à 3 axes, pour des presses à étages (1). Des entraînements linéaires (16, 17) sont intégrés et actionnés dans ce dispositif de transport pour effectuer un déplacement horizontal, de manière à permettre un remplacement simple des rails de préhension lors d'un changement d'outil, et présentent en outre une structure compacte. Le dispositif de transport selon l'invention est caractérisé en ce que pour effectuer un déplacement horizontal dans la direction de transport des pièces à usiner, au moins deux entraînements linéaires (16, 17) sont prévus pour chaque rail de support (10).
EP05707039A 2004-01-30 2005-01-27 Dispositif de transport concu pour des pieces a usiner dans des presses Not-in-force EP1708835B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004005046A DE102004005046B4 (de) 2004-01-30 2004-01-30 Transportvorrichtung für Werkstücke in Pressen
PCT/EP2005/000800 WO2005072888A1 (fr) 2004-01-30 2005-01-27 Dispositif de transport conçu pour des pieces a usiner dans des presses

Publications (2)

Publication Number Publication Date
EP1708835A1 true EP1708835A1 (fr) 2006-10-11
EP1708835B1 EP1708835B1 (fr) 2009-04-22

Family

ID=34813086

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05707039A Not-in-force EP1708835B1 (fr) 2004-01-30 2005-01-27 Dispositif de transport concu pour des pieces a usiner dans des presses

Country Status (10)

Country Link
US (1) US7448489B2 (fr)
EP (1) EP1708835B1 (fr)
JP (1) JP5006050B2 (fr)
KR (1) KR101110907B1 (fr)
CN (1) CN1913987B (fr)
CA (1) CA2553656C (fr)
DE (2) DE102004005046B4 (fr)
ES (1) ES2326325T3 (fr)
MX (1) MXPA06008460A (fr)
WO (1) WO2005072888A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008038265B4 (de) * 2008-08-15 2014-09-11 H & T Produktions Technologie Gmbh Transfereinrichtung
KR101031751B1 (ko) * 2008-12-26 2011-05-09 김현화 트랜스퍼 로봇의 이송바 착탈장치
DE202009015682U1 (de) * 2009-12-01 2011-04-14 Kuka Systems Gmbh Transporteinrichtung
JP5599619B2 (ja) * 2010-01-27 2014-10-01 株式会社小松製作所 トランスファバー
JP2013027915A (ja) * 2011-07-29 2013-02-07 Orii & Mec Corp プレス装置用の材料搬送装置
CN103433401A (zh) * 2013-08-21 2013-12-11 苏州市亿特隆电器有限公司 一种空调传热片多工位级进模用自动送料装置
CN105151873A (zh) * 2015-09-17 2015-12-16 成都爆米花信息技术有限公司 一种高效钢带送料结构
CN105033087A (zh) * 2015-09-17 2015-11-11 成都爆米花信息技术有限公司 一种钢带自动送料装置
CN105129463A (zh) * 2015-09-17 2015-12-09 成都爆米花信息技术有限公司 一种向钢带裁切机送料的送料机构
JP6768499B2 (ja) * 2016-12-28 2020-10-14 コマツ産機株式会社 プレス装置およびプレス装置の制御方法
SE542025C2 (en) * 2018-06-21 2020-02-11 Gestamp Hardtech Ab Process and apparatus for cooling hot components
CN109047476A (zh) * 2018-07-24 2018-12-21 杭州职业技术学院 一种冲压型模
WO2020150707A1 (fr) 2019-01-18 2020-07-23 Norgren Automation Solutions, Llc Procédé et appareil pour systèmes d'outillage de transformation automatisés

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DE3636010C2 (de) 1986-10-23 1997-12-18 Schuler Pressen Gmbh & Co Vorrichtung zum Kuppeln und Entkuppeln von Greiferschienenteilen in einer Transferpresse
DE3636011A1 (de) 1986-10-23 1988-04-28 Schuler Gmbh L Vorrichtung und verfahren zum kuppeln und entkuppeln von greiferschienenteilen in einer transferpresse
US4887446A (en) 1988-06-23 1989-12-19 Maher John H System for transferring workpieces through a series of work stations
US5003808A (en) * 1988-06-23 1991-04-02 Maher John H System for transferring workpieces through a series of work stations
JPH0390231A (ja) * 1989-09-04 1991-04-16 Orii:Kk フィードバーの連結装置
JPH0533925U (ja) * 1991-10-04 1993-05-07 石川島播磨重工業株式会社 トランスフアープレスのワーク搬送工具交換装置
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Also Published As

Publication number Publication date
CN1913987B (zh) 2010-05-26
WO2005072888A1 (fr) 2005-08-11
US7448489B2 (en) 2008-11-11
KR101110907B1 (ko) 2012-03-13
EP1708835B1 (fr) 2009-04-22
DE102004005046A1 (de) 2005-09-01
JP2007519529A (ja) 2007-07-19
KR20060126750A (ko) 2006-12-08
DE102004005046B4 (de) 2008-01-24
DE502005007134D1 (de) 2009-06-04
ES2326325T3 (es) 2009-10-07
CA2553656C (fr) 2011-08-30
JP5006050B2 (ja) 2012-08-22
CA2553656A1 (fr) 2005-08-11
MXPA06008460A (es) 2007-01-30
CN1913987A (zh) 2007-02-14
US20060260381A1 (en) 2006-11-23

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