EP2081707B1 - Werkzeug und werkzeugmaschine zum bearbeiten von plattenartigen werkstücken, insbesondere von blechen - Google Patents

Werkzeug und werkzeugmaschine zum bearbeiten von plattenartigen werkstücken, insbesondere von blechen Download PDF

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Publication number
EP2081707B1
EP2081707B1 EP20070818532 EP07818532A EP2081707B1 EP 2081707 B1 EP2081707 B1 EP 2081707B1 EP 20070818532 EP20070818532 EP 20070818532 EP 07818532 A EP07818532 A EP 07818532A EP 2081707 B1 EP2081707 B1 EP 2081707B1
Authority
EP
European Patent Office
Prior art keywords
tool
activating
processing
workpiece
tool portion
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.)
Not-in-force
Application number
EP20070818532
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2081707A1 (de
Inventor
Werner Erlenmaier
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.)
Trumpf Werkzeugmaschinen SE and Co KG
Original Assignee
Trumpf Werkzeugmaschinen SE and Co KG
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 Trumpf Werkzeugmaschinen SE and Co KG filed Critical Trumpf Werkzeugmaschinen SE and Co KG
Publication of EP2081707A1 publication Critical patent/EP2081707A1/de
Application granted granted Critical
Publication of EP2081707B1 publication Critical patent/EP2081707B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/12—Punching using rotatable carriers
    • B21D28/125—Punching using rotatable carriers with multi-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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/36—Perforating, i.e. punching holes using rotatable work or tool holders
    • 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
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8727—Plural tools selectively engageable with single drive
    • Y10T83/8732—Turret of tools

Definitions

  • the invention relates to a machine tool with such a tool.
  • multitools Tools of the above type are referred to as “multiple tools", or as “multitools”.
  • multiple tools from the document DE-A-10 2005 005 214 known.
  • the prior art tool has an upper tool drivingly connected to a lifting drive with a plurality of punching / forming dies of different shape.
  • An associated lower tool has a corresponding number of punching / forming dies, the geometry of which is matched to that of the respectively associated punch.
  • the punch which is part of the punch / die mating to be activated, is transferred to a position in which it protrudes toward the workpiece with respect to the other punches. Accordingly, the activation device of the previously known tool or the previously known machine tool is provided on the drive connected to the lifting drive upper tool.
  • the present invention has set itself the goal of increasing the performance of conventional workpiece machining.
  • the activation device is not provided on the drive-connected with a lifting drive, but rather provided on the second tool part.
  • that counterpart device which is part of the device pairing to be activated is converted into a functional position according to the invention.
  • the counterpart device in question is in the workpiece machining against its position in an inoperative state to the workpiece ago.
  • the counter-devices if it is necessary for the workpiece machining, in their workpiece-near functional position, otherwise, if they are not needed for the workpiece machining, in their work remotely functional position.
  • unwanted influences can be avoided by the counterparts not required in the respective workpiece machining.
  • the respectively unnecessary counterparts which are not part of the activated device pairing, act on the workpiece in an undesirable manner.
  • the tool according to the invention or the machine tool according to the invention perform workpiece machining, which can not be performed with a tool or with a machine tool according to the prior art without tool change.
  • the tool according to the invention has a low interference contour in the immediate vicinity of the workpiece.
  • an additional activation device is provided on the first tool part. In this way, any disturbing influences of processing equipment, which are not part of the activated device pairing avoided. The same applies in the case of the machine tool according to claim 11.
  • At least one counter device can be converted under gravity into its non-functional position.
  • Way tool elements such as return springs, can be saved.
  • At least one counter device is designed as a processing punch, in particular as a forming punch.
  • multiple tools according to the invention can be used, in particular, to create transformations extending from the workpiece plane in the direction of the first tool part connected to a lifting drive. If the second tool part is the lower tool part, then upward transformations are possible. Upwardly directed deformations have the advantage over downwards forming that they do not collide with a workpiece table supporting the workpiece.
  • a compact design of the tool according to the invention results according to claim 7, by the counter-devices follow one another about the activation axis of rotation. Alternatively or additionally, the same applies to the processing equipment.
  • the activation rotational movement is performed about a tool axis of rotation about which the tool parts are rotatable by means of the rotary drive. So usually existing tool rotary actuators are used for the activation rotational movement.
  • an indexing switching device for the second tool part is provided on the machine tool according to claim 10.
  • the Indexier-switching device can in a simple manner either an activation-rotational movement of the hemhein monoen activation element or a joint rotational movement of the counter-devices and the hemein monoen activation element can be effected.
  • a corresponding Indexier-switching device is provided for the first tool part. Consequently, both the part of the rotary drive for the first tool part and the part of the rotary drive for the second tool part for the activation rotary movement and the respective joint rotation of the tool parts can be used.
  • a highly flexible machine tool results according to claim 13, by a lifting drive is also provided for the second tool part.
  • a working stroke can be performed by means of the lifting drive for the first tool part and / or by means of the lifting drive for the second tool part.
  • a machine tool 1 comprises a tool 2 with a first tool part in the form of an upper tool 4 drivingly connected to a lifting drive 3 and a second tool part in the form of a lower tool 5.
  • the upper tool 4 is attached to an upper tool holder 6, the lower tool 5 to a lower tool holder 7 clamped. Both tool parts are arranged along a stroke axis 8 defined by the lifting drive 3 and assigned to each other along the lifting axis 8 opposite sides of a sheet 9 to be processed.
  • the sheet 9 resting on a workpiece table 10 is moved relative to the tool 2 by means of a coordinate guide 11.
  • the upper tool 4 can be raised and lowered by means of the lifting drive 3 along the lifting axis 8.
  • the lower tool 5 can also be raised and lowered along the lifting axis 8 by means of a lifting drive 12 (not shown).
  • a respective rotary drive 13 on the upper tool holder 6 and on the lower tool holder 7, the upper tool 4 and the lower tool 5 are rotatable about a tool rotation axis 14.
  • indexing switching devices 15 and 16 which are illustrated in a simplified form as pinions, are provided on the upper tool holder 6 and on the lower tool holder 7.
  • All drives of the machine tool 1 are controlled by a central numerical control unit 17.
  • FIG. 2 has the tool 2 off FIG. 1 on the upper tool 4 five different processing devices in the form of fürzugsmatrizen, which is assigned the reference numeral 20 in their entirety.
  • Each of the pull-through matrices 20 is associated with a counter-device in the form of a pull-through punch on the lower tool 5.
  • the five puncture punches are designated in their entirety by the reference numeral 21 and are in FIG. 2 covered by a workpiece support 22 of the lower tool 5. Only the tip of a passage punch 21.1 is visible in an opening of the workpiece support 22.
  • passages of five different sizes can be created on the sheet 9 to be machined, without requiring a tool change.
  • the upper tool 4 On a base body 23, the upper tool 4 has a shaft 24, by means of which the upper tool 4 is clamped in the upper tool holder 6.
  • a provided with a toothing 25 activation element 26 is rotatably mounted on the main body 23 of the upper tool 4 about the tool axis of rotation 14.
  • the lower tool 5 has a base body 27 on which an activation element 28 with a toothing 29 is rotatable about the tool rotation axis 14.
  • the activation elements 26 and 28 are parts of activation devices of the upper tool 4 and the lower tool 5, whose operation is explained below.
  • FIGS. 3 and 4 the upper tool 4 and the lower tool 5 are shown in a sectional view along a device pairing activated for workpiece machining with a passage die 20.1 and the passage punch 21.1.
  • the base body 27 of the lower tool 5 has a base plate 30 and a guide plate 32 connected to the base plate 30 by means of a screw connection 31.
  • An anti-rotation 33 sets the guide plate 32 in a defined rotational position relative to the base plate 30.
  • the guide plate 32 has five guide holes 34 which follow one another along a circular path about the tool axis of rotation 14 and of which in FIG. 4 one is recognizable.
  • the guide holes 34 form slideways for the along the lifting axis 8 relative to the guide plate 32 displaceable pass-through punch 21. Accordingly, the passage punch 21 are arranged on a circular path about the tool axis of rotation 14.
  • the guide plate 32 Furthermore, on the guide plate 32 five ball bushings 35 are provided, which are part of guides 36 for the workpiece support 22.
  • An annular recess 37 at the top of the guide plate 32 serves to receive a spring element in the form of an Eladurrings 38.
  • Eladurrings 38 By means of Eladurrings 38, the workpiece support 22 is resiliently supported on the guide plate 32.
  • the guide plate 32 emanating from its rest position according to FIG. 4 against the spring force of Eladurrings 38 perform a downward stroke.
  • the pot-like activation element 28 of the lower tool 5 is rotatably mounted relative to the base plate 30 and the guide plate 32 about the tool axis of rotation 14.
  • An annular bottom 39 of the activation element 28 increases in the circumferential direction in the manner of a ramp and has a starting slope 40.
  • the activation element 28 In order to transfer the passage punch 21.1 into an inoperative position, the activation element 28 is rotated about the tool rotation axis 14 with an activation rotational movement until the approach slope 40 is no longer located under the passage punch 21.1. Under the effect of gravity, the pull-through punch 21.1 slides down from its functional position into its working-distance, inoperative position. Instead of the passage punch 21.1 another one of the punch 21 is now activated for the workpiece machining.
  • the lower tool 5 has a plurality of depressions, in which, depending on the rotational position of the activation element 28, a spring-loaded detent ball 41 engages.
  • the function of the detent ball 41 will be described below in connection with the operations in the activation rotational movement.
  • FIG. 3 is the main body 23 of the upper tool 4 corresponding to the main body 27 of the lower tool 5 constructed. It has a base plate 43 and a guide plate 44 connected to the base plate 43 and secured against rotation.
  • the passage matrices 20 are displaceably mounted on guide bores 45 of the guide plate 44 along the stroke axis 8.
  • the activation device of the upper tool in accordance with the activation device of the lower tool 5, has a rotationally adjustable activation element 26 with a starting slope 46 arranged between the base plate 43 and the guide plate 44.
  • the Anfahrschräge 46 is in FIG. 3 arranged above the passage die 20.1. Consequently, the passage matrix 20.1 also remains in an upwardly directed application of force in a workpiece-near functional position.
  • the four non-activated draft matrices are also in their functional position. For example, this is evident from the pull-through matrix 20.2. But they are in the Workpiece processing subjected to an upward force, they move from their functional position upwards in a non-functional position. For example, such a force application can be caused by a deformation already present on the sheet 9 to be processed.
  • the sheet 9 to be processed is positioned by means of the coordinate guide 11 over the punch-through punch 21.1 and under the pull-through die 20.1.
  • the sheet metal 9 to be machined rests on the workpiece support 22 of the lower tool 5.
  • the upper tool 4 is lowered by means of the lifting drive 3 jointly with the pull-through matrices 20, in particular the pull-through matrix 20.1, along the lifting axis 8 in the direction of the lower tool 5 until the pull-through matrices 20 put on top of the sheet 2.
  • the working stroke is carried out by means of the lifting drive 3 for the upper tool 4.
  • the working stroke can also be effected by means of the lifting drive 12 for the lower tool 5 or even superimposed by means of both lifting drives 3 and 12.
  • the upper tool 4 and the lower tool 5 are again moved apart along the lifting axis 8.
  • the workpiece support 22 is under the action of the Eladurringes 38 back to its original position and presses the processed sheet 2 of the punch 21.1. Accordingly, the workpiece support 22 serves as Maschinen Swissabstreifer for the passage punch 21st
  • the fein monoe activation element 28 of the lower tool 5 is rotated with an activation rotational movement relative to the pass punches 21. This is accompanied by a rotational movement of the activation element 28 also relative to the base plate 30 of the guide plate 32 and the workpiece support 22.
  • the activation rotational movement takes place about the tool axis of rotation 14, which consequently forms an activation axis of rotation.
  • the activation rotational movement ends when the Auffahrschräge 40 is disposed under the to be activated punch.
  • the activation element 26 of the upper tool 4 is rotated with an activation rotational movement about the tool rotation axis 14 relative to the passage matrices 20 until the approach slope 46 of the activation element 26 is arranged above the passage matrix to be activated.
  • the activation rotational movements of the activation element 28 are realized by means of the machine-side rotary drive 13.
  • the activation element 28 has the toothing 29.
  • the machine side, engaging in the toothing 29, for simplicity illustrated as a pinion Indexier-switching device 16 can be at a rotation of the main body 27 of the lower tool 5 to the tool rotation axis 14 either a rotation of the activation element 28 simultaneously with the main body 27 to (first switching state) or prevents the activation element 28 at a common rotational movement with the main body 27 (second switching state). If the activation element 28 is prevented from rotating with the base body 27, rotation of the base body 27 causes a relative movement of the base body 27 and the passage punch 21 mounted on the base body 27 relative to the activation element 28.
  • the joint rotation of the activation element 28 and the base body 27 in the first switching state of the Indexier-switching device 16 is used to align the passage punch 21 relative to the sheet 9 to be machined to the tool axis of rotation 14.
  • An undesirable rotation of the activation element 28 relative to the base body 27 is characterized by the Detent ball 41 prevents.
  • the control of the activation rotational movement of the activation element 26 on the upper tool 4 by means of the Indexier-switching device 15 is carried out according to the control of the activation rotational movement of the activation element 28 of the lower tool fifth
  • the bottom 39 of the activation element 28 of the lower tool has 5 recesses, through which can be removed after removal of the base plate 30 to be replaced pull-through punch 21 down.
  • the replacement of worn or destroyed puncture punches 21 can therefore be carried out in a simple manner after loosening the screw 31.
  • Modified designs of the tool 2 may, for example, instead of stamping dies and forming dies also have punches and punching dies. Furthermore, notwithstanding the illustrated tool, the processing devices and / or the counter-devices can be returned to their non-functional position by means of spring elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Turning (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)
  • Lead Frames For Integrated Circuits (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
EP20070818532 2006-10-18 2007-09-28 Werkzeug und werkzeugmaschine zum bearbeiten von plattenartigen werkstücken, insbesondere von blechen Not-in-force EP2081707B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006049046A DE102006049046A1 (de) 2006-10-18 2006-10-18 Werkzeug und Werkzeugmaschine zum Bearbeiten von plattenartigen Werkstücken, insbesondere von Blechen
PCT/EP2007/008449 WO2008046501A1 (de) 2006-10-18 2007-09-28 Werkzeug und werkzeugmaschine zum bearbeiten von plattenartigen werkstücken, insbesondere von blechen

Publications (2)

Publication Number Publication Date
EP2081707A1 EP2081707A1 (de) 2009-07-29
EP2081707B1 true EP2081707B1 (de) 2011-01-26

Family

ID=38814350

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070818532 Not-in-force EP2081707B1 (de) 2006-10-18 2007-09-28 Werkzeug und werkzeugmaschine zum bearbeiten von plattenartigen werkstücken, insbesondere von blechen

Country Status (7)

Country Link
US (1) US8201435B2 (ja)
EP (1) EP2081707B1 (ja)
JP (1) JP5185941B2 (ja)
CN (1) CN101528377B (ja)
AT (1) ATE496710T1 (ja)
DE (2) DE102006049046A1 (ja)
WO (1) WO2008046501A1 (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2764933B1 (de) * 2008-12-10 2016-10-05 TRUMPF Werkzeugmaschinen GmbH + Co. KG Werkzeugsystem mit auswechselbaren Werkzeugeinsätzen für Stanzmaschinen
DE102009017326A1 (de) 2009-04-16 2010-10-21 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung von pressgehärteten Bauteilen
US11207794B1 (en) * 2011-09-20 2021-12-28 Dynamics Inc. Systems and methods for trimming powered cards and devices
CN102554020A (zh) * 2012-01-13 2012-07-11 昆山乙盛机械工业有限公司 铝挤件旋转冲孔机
US20140033886A1 (en) * 2012-08-01 2014-02-06 Xerox Corporation Document Production System and Method With Automated Die Exchange
CN104148512A (zh) * 2014-07-17 2014-11-19 安徽和翔机械科技有限公司 一种新型的冲床模座
WO2018055183A1 (de) * 2016-09-26 2018-03-29 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Werkzeug und werkzeugmaschine sowie verfahren zur bearbeitung von plattenförmigen werkstücken
EP3515617B1 (de) 2016-09-26 2020-11-04 Trumpf Werkzeugmaschinen GmbH + Co. KG Werkzeug und werkzeugmaschine sowie verfahren zum bearbeiten von plattenförmigen werkstücken
WO2018055182A1 (de) 2016-09-26 2018-03-29 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Werkzeug und werkzeugmaschine sowie verfahren zum schneiden und/oder umformen von plattenförmigen werkstücken
DE102016118153B4 (de) * 2016-09-26 2018-10-04 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Werkzeug und Verfahren zumindest zum Handhaben von Werkstücken
EP3515618B1 (de) 2016-09-26 2020-07-01 Trumpf Werkzeugmaschinen GmbH + Co. KG Werkzeug und werkzeugmaschine sowie verfahren zur bearbeitung von plattenförmigen werkstücken
CN107262652A (zh) * 2017-06-30 2017-10-20 苏州科博思设备工程有限公司 一种多功能压铆机
CN108296367B (zh) * 2018-01-04 2019-08-16 深圳市诚瑞丰科技股份有限公司 一种双层定位的米点压铆精密五金模具
CN108213229A (zh) * 2018-01-04 2018-06-29 深圳市诚瑞丰科技股份有限公司 一种旋转定位的米点压铆精密五金模具
CN113560395A (zh) * 2021-05-20 2021-10-29 深圳市华益盛模具股份有限公司 一种冲翻孔一次成型的模具结构及成型方法
CN114986613B (zh) * 2022-06-16 2024-02-09 大连洋尔特服装有限公司 一种服装多规格异形孔冲压结构及其使用方法
CN116713372B (zh) * 2023-07-18 2024-04-05 杭州顺豪金属制品有限公司 一种压力表壳体的成形工艺及成形装置
CN116900195A (zh) * 2023-09-06 2023-10-20 常州长盛机械有限公司 挖掘机支架用冲压装置

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DE3241046A1 (de) * 1982-11-06 1984-05-10 Trumpf GmbH & Co, 7257 Ditzingen Stanzmaschine, deren stanzstempel als mehrfachstempel ausgebildet ist
US5072620A (en) * 1989-10-02 1991-12-17 Strippit, Inc. Stamping tool
US5848563A (en) * 1992-07-21 1998-12-15 Amada Metrecs Company Limited Multiple tool for punch press
JP2889951B2 (ja) * 1995-10-02 1999-05-10 村田機械株式会社 タレットパンチプレスのダイ昇降機構
JP2000140958A (ja) * 1998-11-02 2000-05-23 Amada Co Ltd タレットパンチプレス
JP3485490B2 (ja) * 1999-03-23 2004-01-13 日清紡績株式会社 パンチプレス機の回転金型装置
GB2362122A (en) * 2000-05-11 2001-11-14 Tradewise Engineering Ltd Quick extraction punch-holder adaptor for converting punching machines from a single punch to a multiple punch configuration
DE102005005214B4 (de) * 2005-02-03 2009-12-17 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Mehrfachwerkzeug und Werkzeugmaschine zum Bearbeiten von Werkstücken, insbesondere von Blechen

Also Published As

Publication number Publication date
US8201435B2 (en) 2012-06-19
DE502007006390D1 (de) 2011-03-10
ATE496710T1 (de) 2011-02-15
WO2008046501A1 (de) 2008-04-24
CN101528377A (zh) 2009-09-09
JP5185941B2 (ja) 2013-04-17
JP2010506729A (ja) 2010-03-04
US20090223273A1 (en) 2009-09-10
DE102006049046A1 (de) 2008-04-24
CN101528377B (zh) 2012-12-05
EP2081707A1 (de) 2009-07-29

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