EP0901848A1 - Presse de transfert avec changement d' outil automatique - Google Patents

Presse de transfert avec changement d' outil automatique Download PDF

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Publication number
EP0901848A1
EP0901848A1 EP98116717A EP98116717A EP0901848A1 EP 0901848 A1 EP0901848 A1 EP 0901848A1 EP 98116717 A EP98116717 A EP 98116717A EP 98116717 A EP98116717 A EP 98116717A EP 0901848 A1 EP0901848 A1 EP 0901848A1
Authority
EP
European Patent Office
Prior art keywords
tooling
transfer
forming machine
machine according
drive means
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
EP98116717A
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German (de)
English (en)
Other versions
EP0901848B1 (fr
Inventor
Andreas Dangelmayr
Karl Thudium
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 EP0901848A1 publication Critical patent/EP0901848A1/fr
Application granted granted Critical
Publication of EP0901848B1 publication Critical patent/EP0901848B1/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
    • B21D43/057—Devices for exchanging transfer bars or grippers; Idle stages, e.g. exchangeable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00—Tool changing
    • Y10T483/17—Tool changing including machine tool or component
    • Y10T483/1729—Reciprocating tool machine tool [e.g., broaching machine, shaping machine, etc.]

Definitions

  • the invention relates to a multi-station press or a comparable forming machine with the features of Preamble of claim 1.
  • the tools include upper and lower tools arranged in individual press stages, which are used to process sheet metal parts. While the upper tool is held on the press ram the lower tool is on a so-called sliding table mounted, which comes out of the side of the press can be. The upper tool is used to change the tool placed on the lower tool so that with the Sliding table the complete tool is moved out of the multi-station or transfer press.
  • the transfer press shows other workpiece-specific facilities. These include parts of the transfer system serves the sheet metal parts from press level to press level to be transported further.
  • the transfer system is e.g. designed as a two-rail transfer. On both sides the press steps extend two mounting rails lengthways through the transfer press. There are carriages on the mounting rails stored between which crossbars are held are. Via drive curves and corresponding transmission means such a lifting / lowering movement becomes and gives the carriage such a forward / backward movement, that the crossbeams have a desired transfer curve run through.
  • the crossbeams carry means for receiving or Holding and controlled release of workpieces.
  • This Means are, for example, vacuum-operated suction cups which are connected to the Ends of corresponding suction arms are arranged.
  • These sucker assemblies are also known as suction spiders.
  • the arrangement of the suction cups, i.e. the formation of the suction spiders, is tool specific. The suction spiders belong thus to the workpiece-specific tooling that the Tool change must also be changed.
  • DE 3843975 C1 is a transfer device known for a step press that is horizontal and vertical has moving mounting rails. Between the mounting rails are traverses held by means of the Mounting rails provided in a limited actuator Are pivotable area about their transverse axis.
  • the crossbeams carry a workpiece-specific tooling and are to be exchanged when changing tools.
  • the one in the press stages arranged tools are on sliding tables held, which can be moved out of the side of the press. So-called locking pins are held on the sliding tables, which are height adjustable by means of pressure medium, i.e. are actively trained.
  • the pins are used to change the tool crossbars to be picked up on the other adjusted, they take up the crossbars and become then lowered again.
  • DE 4208205 A1 also describes a device for step presses for changing workpiece holders (tooling) known with passive tooling storage devices gets along.
  • a transfer device provided one in height and lengthwise has adjustable transfer device. This is formed by a vertical pressure cylinder, the Piston rod the receiving device for the crossbeams carries, and its cylinder over a parallelogram power operated on a circular arc Track is arranged adjustable. There are also swivel movements possible.
  • the transfer device requires additional installation space and also represents an additional construction effort represents.
  • the multi-station press comes without separate handover device for handing over the tooling from the transfer system to tooling fixtures (locking bolts) out.
  • the control device of the multi-station press controls or monitors at least the drive means for Moving the crossbars on a given transfer curve, as well as the additional height adjustment means with which the height of the mounting rails is adjustable.
  • the drive means moves when the transfer device is in operation Carriages mounted on the mounting rails in the direction of transport, i.e. in the longitudinal direction of the press. It also moves the drive means the mounting rails in the vertical direction, so that by superimposing both motion components A transfer curve is created by the crossbars is going through.
  • the additional height adjustment device enables the height of the transfer curve to be set.
  • the control device uses the height adjustment device and the drive means to the cross members with the tooling held on them or the tooling without placing the crossbars on the tooling fixtures.
  • the tooling fixtures are carried by the sliding tables, i.e. you can use the sliding table itself, as well as on the tool stored on the sliding table be attached.
  • a transfer device is not necessary. This enables a space-saving construction of the whole Multi-station press. Passive locking bolts can also be used (Tooling recordings) can be used. This is unnecessary a pressure medium supply to the tooling receptacles would otherwise be associated with additional effort.
  • the tooling can be rotated in the transfer device held.
  • the transfer device has corresponding Rotary drive means with which the tooling by one Cross axis can be pivoted into different tilt positions can.
  • the rotary drive means are designed so that the tooling is both in a horizontal working position as well as pivoted into a vertical setting position can be.
  • the possible swivel range of the Toolings is therefore at least 90 ° and is preferred significantly larger (e.g. 180 °). This allows different tilting positions near the horizontal position and also in a vertical position become.
  • control device controls in addition to the drive means for the transfer curve and the height adjustment device also the rotary drive means around the desired tooling position adjust.
  • the drive means for the transfer curve is preferred formed by cams, which with the Main drive of the forming machine or multi-station press are connected.
  • the control device can be in its Restrict the tax effect here to the fact that drive means, i.e. to stop the main drive in a position where the crossbeams above the workpiece holders stand. If necessary, the cams also via appropriate coupling and drive means be positioned separately at least when changing tools.
  • cross beam with tooling As well as the tooling carried by the crossbeams to file on the tooling recordings.
  • coupling agent to be released between the cross beams and mounted on the mounting rails Carriage or between the tooling and the crossbars arranged.
  • the coupling agents are also from the Control device controlled.
  • the rotary drive means can be used to rotate the tooling be arranged on the carriage.
  • the control device is as far as it is the task the tooling change takes over from the machine control educated. This is, for example, a programmed microprocessor control.
  • the required controls for the rotary drive the height adjustment device and the query, whether the drive means for the transfer curve in the desired position, as well as the transfer if necessary in this position is preferably from a program section of a program implemented in this control rendered.
  • the realization of the Tooling changes can therefore be made using existing ones Hardware components of the multi-station press or forming machine respectively.
  • the solution is also special simple and robust.
  • a multi-station press 1 is illustrated in FIG. 1, of their press stages a total of three press stages 2, 3, 4 are illustrated. At every press level belongs a sliding table 5, 6, 7 of a figure 1 only schematically indicated lower tool 8, 9, 10 wearing.
  • the lower tools 8, 9, 10 are each an upper tool 11, 12, 13 assigned to a press ram 14, 15, 16 is held.
  • Each press ram 14, 15, 16 is in a press frame 17 vertically movable, which in Figure 1 by press stands 18, 19, 20, 21 and a press head 22 is indicated.
  • the plungers 14, 15, 16 are in a known manner actuated eccentric drives, no longer illustrated, which are driven by a central main shaft.
  • a transfer device 24 serves as Two-axis transfer is formed.
  • To the transfer facility 24 belong two mutually parallel, in the direction of transport T extending support rails 25, 26 in Direction of transport seen on the right or left side past each ram 14, 15, 16, lengthways through the multi-station press 1 run. Both mounting rails 25, 26 are arranged in a common horizontal plane.
  • Carriages 27, 28, are on the mounting rails 25, 26 29 mounted longitudinally.
  • the carriages 27, 28, 29 are only arranged schematically in FIG Push rods 31 connected to a drive means, the the positioning of the carriages 27, 28, 29 in the transport direction T serves.
  • This drive means is preferred a cam mechanism, one from the main press drive includes driven cam, which has a cam follower and corresponding transmission levers as well a transmission linkage acts on the push rod 31. While the carriages 27, 28, 29 in the transport direction T are moved, the mounting rails 25, 26 are in the transport direction T immovable.
  • the lifting device 32 includes each press stand 18, 19, 20, 21 a vertically displaceable mounted carriage 33, 34, 35, 36 of each via a tab or rod 37, 38, 39, 40 or directly the mounting rail 25 or 26 carries.
  • the vertically movable mounted carriages 33, 34, 35, 36 are each over a threaded spindle 41, 42, 43, 44 with a likewise vertically displaceable slide 46, 47, 48, 49 connected.
  • the on each press stand 18, 19, 20, 21 stored sled and the connections between them are of the same design and are shown in FIG Carriage 33 and 46 illustrated.
  • the threaded spindle 41 is rotatable on the lower slide 46, however axially immovable.
  • On the top Carriage 33 is the threaded spindle in a rotatably mounted Nut 52 taken, which in turn axially immovable is mounted on the carriage 33.
  • the mother 52 stands non-rotatably via an external toothing with a pinion 53 axially displaceable in connection that on a Sliding shaft 54 sits. These are parallel to the threaded spindle 41 extending sliding shaft 54 is from one Motor 55 driven.
  • a transfer curve K (FIG. 1) is used with a Corresponding drive 56 cam mechanism 57.
  • the drive 56 can be the main press drive be just as possible that the drive 56 via gearbox and / or coupling means with the Main press drive is connected. Also a separate one Drive is possible, in any case during normal operation the multi-station press 1 a synchronization between the drive of the plunger 14, 15, 16 and the drive 56 takes place.
  • the pivot lever 59 gives its back and forth Movement via corresponding push rods 61 to angle lifting 62 further, at their other end with a corresponding Tab 63 with the respective upper slide 33 to 36 are connected.
  • the drive 56 forms with the lifting device 32 and the push rod 31 and the drive device assigned to it a drive means 64, which the carriage 27, 28, 29 on the transfer curve K leads.
  • a crossbar 66, 67 arranged, as can be seen, for example, from FIG. 2.
  • Each crossbar 66, 67 carries one or more Frame 68 on which transverse to the crossbar 66, 67 suction arms 69, 70 are arranged.
  • Each suction arm 69, 70 is provided at the end with a sucker 71, 72 which is in the temporary Holding the workpieces W serves.
  • the frames 68 form with the suction arms 69, 70 and the suction cups 71, 72 so-called suction spiders. These are workpiece-specific Tooling, that too when changing tools change is.
  • Embodiments are the cross members 66, 67 by one Transverse axis rotatable between the carriage 27, 28 on the Support rail 25 and the carriage 27 'on the running rail 26, as illustrated in Figure 3a.
  • the Crossbar 66 is on its left-hand side in FIG. 3a End 74 with a controlled coupling device 75 connected to the carriage 27 '.
  • the Coupling half 75b is rotatably mounted on the carriage 27 '.
  • the opposite end 77 is also over a releasable coupling 78 is connected to the carriage 27.
  • the control device 82 is designed so that with the help of components of the multi-station press described so far 1 a transfer of the cross members 66, 67 or the Vacuum spinning on tooling trays 83, 84 without help accomplished by transfer device.
  • the one for recording of the tooling provided tooling trays 83, 84 are how emerges from Figure 2, on the sliding tables 5 (6 and 7) intended. They are fixed to the respective by Sliding table 5 (6, 7) fixed stationary vertically protruding bolts (pins) 85, 86 formed. This are purely passive and take over the tooling without any intermediary a transfer device of any kind.
  • control device 82 checks whether the cross beams 66, 67 above the tooling trays 83, 84 are held. If the position does not match the drive means 64 is actuated so that the Carriages 27, 28, 29 are moved and the crossbeams 66, 67 to stand above the tooling trays 83, 84 come.
  • the control device 82 controls the motors 55, the distances via the threaded spindles 41, 42, 43, 44 between the upper carriages 46, 47, 48, 49 and the lower Enlarge carriage 33, 34, 35, 36 so that the Slide the mounting rails 25, 26 down.
  • the Cross members 66, 67 with corresponding openings on the Setting pins 85, 86 removed.
  • the control device 82 now releases the couplings 75, 77, after which the mounting rails 25, 26 by driving the motors 55 up again be driven.
  • the tooling is therefore on the sliding tables 5 (6, 7) and can be removed from the multi-station press 1 can be pulled out.
  • the procedure for changing tooling is for this embodiment illustrated in Figures 4a to 4d.
  • the tooling takes the position illustrated in FIG. 4a on.
  • the rotary drive 92 is actuated, so that the suction spider 93 by the position illustrated in Figure 4b drives through into the position of Figure 4c.
  • the Control device 82 now the motors 55, so that the Crossbar 66 moves down and the frame 91 with the suction spider 93 deposits on the tooling tray 84. Of the Frame 91 is received by the pins 85.
  • the controller 82 then controls the motors 55 ⁇ m so that the cross-beam moves up again.
  • a multi-station press 1 has a transfer device 24 with cross members 66, 67.
  • the transfer facility 24 is set up for automatic tooling change.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
EP98116717A 1997-09-13 1998-09-03 Presse de transfert avec changement d' outil automatique Expired - Lifetime EP0901848B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19740293 1997-09-13
DE19740293A DE19740293A1 (de) 1997-09-13 1997-09-13 Transferpressen mit automatischem Toolingwechsel

Publications (2)

Publication Number Publication Date
EP0901848A1 true EP0901848A1 (fr) 1999-03-17
EP0901848B1 EP0901848B1 (fr) 2001-04-11

Family

ID=7842242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98116717A Expired - Lifetime EP0901848B1 (fr) 1997-09-13 1998-09-03 Presse de transfert avec changement d' outil automatique

Country Status (4)

Country Link
US (1) US6126582A (fr)
EP (1) EP0901848B1 (fr)
DE (2) DE19740293A1 (fr)
ES (1) ES2159165T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006025272B3 (de) * 2006-05-31 2007-11-22 Schuler Pressen Gmbh & Co. Kg Werkstückgreifereinrichtung für automatischen Toolingwechsel

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1292804B1 (it) * 1997-03-18 1999-02-11 Ima Spa Apparecchiatura per la timbratura, l'incisione, la scontornatura di confezioni blister ottenute da un nastro alveolato.
US6676587B2 (en) * 2001-09-13 2004-01-13 Hallmark Cards Incorporated Integrated emboss module
DE10223897A1 (de) * 2002-05-29 2003-12-11 Mueller Weingarten Maschf Werkzeugwechselvorrichtung für Pressen
DE102004052001B4 (de) * 2004-10-25 2009-08-20 Müller Weingarten AG Automatische Toolingwechselvorrichtung
JP5575063B2 (ja) 2011-06-22 2014-08-20 アイダエンジニアリング株式会社 ワーク保持装置交換支持装置
JP5793109B2 (ja) * 2012-05-15 2015-10-14 アイダエンジニアリング株式会社 ワーク搬送装置
JP5665198B2 (ja) * 2012-10-10 2015-02-04 アイダエンジニアリング株式会社 クロスバー、クロスバーの交換システム及び方法
EP3328570A1 (fr) * 2015-07-29 2018-06-06 ABB Schweiz AG Matrices de chargement dans une presse
JP6192131B2 (ja) * 2015-12-10 2017-09-06 アイダエンジニアリング株式会社 プレス機械のワーク搬送装置
DE102016125484B3 (de) 2016-12-22 2018-03-08 Strothmann Machines & Handling GmbH Transfervorrichtung
EP3479921A1 (fr) * 2017-11-07 2019-05-08 ABB Schweiz AG Dispositif de manipulation de pièces
CN113453819B (zh) * 2019-01-18 2024-03-15 诺冠自动化解决方案有限责任公司 用于自动转换工装系统的方法和装置
CN113042634B (zh) * 2021-04-30 2023-05-12 合肥合锻智能制造股份有限公司 一种间接热成型热冲压设备用双轨道输料装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2199781A (en) * 1987-01-09 1988-07-20 Honda Motor Co Ltd Method of changing workpiece holders for press machine
EP0384188A2 (fr) * 1989-02-18 1990-08-29 SCHULER PRESSEN GmbH & Co. Dispositif de transfert dans une presse de transfert ou machine-outil analogue travaillant le métal par formage
DE4208205A1 (de) * 1991-03-29 1992-10-01 Hitachi Shipbuilding Eng Co Vorrichtung fuer stufenpressen zum wechseln von werkstueckhaltern
EP0818254A2 (fr) * 1996-07-13 1998-01-14 SCHULER PRESSEN GmbH & Co. Dispositif de transfert de tÔles dans une installation de presse

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819786A (en) * 1981-10-09 1989-04-11 Kabushiki Kaisha Komatsu Seisakusho Work indexing apparatus with a height adjustment for a pair of transfer bars
DE3668805D1 (de) * 1985-09-09 1990-03-15 Aida Eng Ltd Foerdervorrichtung fuer die werkstuecke bei einer mehrstufenpresse.
DE3822473A1 (de) * 1988-07-02 1990-01-04 Schuler Gmbh L Vorrichtung zum kuppeln und entkuppeln von greiferschienenteilen
DE3843975C1 (fr) * 1988-12-27 1990-06-13 Maschinenfabrik Mueller-Weingarten Ag, 7987 Weingarten, De
DE4408449A1 (de) * 1994-03-12 1995-09-14 Mueller Weingarten Maschf Transportsystem
DE4408450A1 (de) * 1994-03-12 1995-09-14 Mueller Weingarten Maschf Transporteinrichtung für Werkstücke in einer Presse
DE4410208A1 (de) * 1994-03-24 1995-09-28 Schuler Gmbh L Umsetzeinrichtung in einer Umformmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2199781A (en) * 1987-01-09 1988-07-20 Honda Motor Co Ltd Method of changing workpiece holders for press machine
EP0384188A2 (fr) * 1989-02-18 1990-08-29 SCHULER PRESSEN GmbH & Co. Dispositif de transfert dans une presse de transfert ou machine-outil analogue travaillant le métal par formage
DE4208205A1 (de) * 1991-03-29 1992-10-01 Hitachi Shipbuilding Eng Co Vorrichtung fuer stufenpressen zum wechseln von werkstueckhaltern
EP0818254A2 (fr) * 1996-07-13 1998-01-14 SCHULER PRESSEN GmbH & Co. Dispositif de transfert de tÔles dans une installation de presse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006025272B3 (de) * 2006-05-31 2007-11-22 Schuler Pressen Gmbh & Co. Kg Werkstückgreifereinrichtung für automatischen Toolingwechsel
US7784324B2 (en) 2006-05-31 2010-08-31 Schuler Pressen GmbH Co. KG Workpiece gripper arrangement for automatic tool change operations

Also Published As

Publication number Publication date
DE19740293A1 (de) 1999-03-18
US6126582A (en) 2000-10-03
EP0901848B1 (fr) 2001-04-11
ES2159165T3 (es) 2001-09-16
DE59800610D1 (de) 2001-05-17

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