EP2092994A1 - Machine-outil destinée à la coupe et/ou au formage de pièces à usiner en plaques - Google Patents

Machine-outil destinée à la coupe et/ou au formage de pièces à usiner en plaques Download PDF

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Publication number
EP2092994A1
EP2092994A1 EP08003217A EP08003217A EP2092994A1 EP 2092994 A1 EP2092994 A1 EP 2092994A1 EP 08003217 A EP08003217 A EP 08003217A EP 08003217 A EP08003217 A EP 08003217A EP 2092994 A1 EP2092994 A1 EP 2092994A1
Authority
EP
European Patent Office
Prior art keywords
tool
die
receptacle
punch
along
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
EP08003217A
Other languages
German (de)
English (en)
Other versions
EP2092994B1 (fr
Inventor
Peter Bytow
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
Priority to DE502008000434T priority Critical patent/DE502008000434D1/de
Priority to AT08003217T priority patent/ATE460238T1/de
Priority to EP08003217A priority patent/EP2092994B1/fr
Priority to JP2009036514A priority patent/JP5167165B2/ja
Priority to US12/390,601 priority patent/US8201432B2/en
Publication of EP2092994A1 publication Critical patent/EP2092994A1/fr
Application granted granted Critical
Publication of EP2092994B1 publication Critical patent/EP2092994B1/fr
Active 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
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • B21D28/265—Perforating, i.e. punching holes in sheets or flat parts with relative movement of sheet and tools enabling the punching of holes in predetermined locations of the sheet, e.g. holes punching with template
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/14—Particular arrangements for handling and holding in place complete dies

Definitions

  • Machine tools of the above type are preferably used in the flexible sheet metal processing in the form of stamping forming machines. These machines make it possible to perform different workpiece machining on one and the same machine tool. For example, sheet metal parts along its outer contour are cut free from the sheet metal composite and also transformations are made to the sheet metal parts.
  • TruPunch ® 5000 A generic machine tool forms the offered by Trumpf Deutschenmaschinen GmbH + Co. KG TruPunch ® 5000.
  • the TruPunch ® 5000 has Mono tool holders, that tool holders, in each of which a single tool which comprises a tool punch, and a tool die, is determined. Additional tools can be found in a tool magazine and can be loaded into the mono tool holders for workpiece machining as required.
  • the Monowerkzeugingn have a liftable by means of a hydraulic lifting drive and lowerable tool punch recording and a fixed tool die recording.
  • a workpiece table For storage of a sheet to be processed is a workpiece table.
  • Workpiece machining takes place by lowering the tool punch receptacle together with a tool punch fixed thereon onto the metal sheet supported on the workpiece table, and as a result the sheet is machined under the action of the tool punch on the one hand and the tool die on the other hand.
  • the tool punches and tool dies of the TruPunch ® 5000 punching machine have a mushroom-shaped design.
  • the tool punches and the tool dies each have a tool shank.
  • the processing facilities of the tools in the form of cutting edges or Umformadorn are provided on opposite the tool shanks radially enlarged tool heads.
  • the EP 0 417 836 B1 discloses a punching machine in which both a punch recording and a punching die recording along a lifting axis relative to a work table are deliverable to compensate for changes in the tool total heights along the lifting axis due to a required from time to time regrinding of the punching tools. Despite these feed movements to compensate for the minor, wear-related reduction of tool heights the punching tools for the out of the EP 0 417 836 B1 known punching machine - just as in the case of the generic punching machine TruPunch ® 5000 - subject to considerable restrictions due to the space available at the tool holders.
  • Object of the present invention is to develop a conventional machine tool such that the possibilities for the design of usable on the machine tool tools are extended.
  • a machine tool having the features of claim 1 by both different tool punches, which have along the lifting axis differently high tool heads, as well as different tool dies, which also along the stroke axis have different height tool heads, are provided for workpiece machining and both the tool punch receptacle matched to the tool head height of a set on the tool punch receptacle tool stamp and the tool die recording matched to the tool head height of a tool matrices set on the tool die by means of the tool drive along the stroke axis against the workpiece support are deliverable.
  • an advantage of the invention is that on the machine tool according to the invention tools can be used with tool heads, which compared to tool heads of tools for a conventional machine tool are designed to be higher and therefore have a larger space, but that thanks to the compensating feed movements of the tool holders at the same time the tools for a conventional machine tool can be used.
  • the compensation movements of the tool holders by means of the tool drive are driven by a machine and thus automatically.
  • Claim 2 relates to an advantageous embodiment of the invention, in which the tool punch receptacle tuned to the tool head height of a set on the tool punch recording tool punch in the relevant for the workpiece machining positions along the stroke axis is deliverable. A trouble-free workpiece machining despite the use of tools with very different high tool heads is ensured.
  • the embodiment of the invention according to claim 3 is characterized in which the tool matrices recording in the decisive for workpiece machining positions along the stroke axis is deliverable.
  • the tool die receptacle for exchanging and exchanging tool dies by means of the tool drive along the lifting axis in a tool change position undelivered is the tool die receptacle starting from the tool change position matched to the Tool head height of a tool die fixed to the tool die receiving means of the tool drive along the stroke axis of the workpiece support deliverable away.
  • the tool heads of the tool dies must be designed such that the tool heads are arranged in the tool change position of the tool die receptacle below the workpiece support. Because a tool die projecting beyond the workpiece support hinders a positioning of the workpiece along the workpiece support.
  • said size limitation is omitted.
  • tool matrices can be used with tool heads, which protrude in the tool change position of the tool matrices recording on the workpiece support along the Hubachse. After such a tool die has been loaded, the tool die receptacle is tuned to the tool head height of the tool die for subsequent workpiece machining along the stroke axis until the tool head of the tool die no longer protrudes beyond the workpiece support.
  • the drive for the tool punch holder and the drive for the tool die holder are decoupled from each other. Consequently, there results a machine tool in which the tool heads of the tool punches and the tool dies can be designed independently of each other within wide limits.
  • the machine tool according to claim 6 is characterized by simple operability in that the compensation movements according to the invention are determined and controlled on the basis of tool data stored in a numerical control unit.
  • processing facilities of the tools of the machine tool according to the invention are provided on the different heights tool heads.
  • the space available for the storage of the processing facilities for each tool can be selected individually.
  • the space can be increased compared to tools for conventional machine tools and thereby additionally available space to increase the tool stability can be used.
  • the additional Installation space can be used for additional tool elements.
  • the fact that the processing devices are designed in the form of forming strips or cutting edges is particularly advantageous for the use of the machine tool according to the invention in practice.
  • FIG. 1 shows a machine tool for cutting and / or forming plate-like workpieces in the form of a stamping / forming machine 1 for processing sheets.
  • the punching / forming machine 1 has a C-shaped machine frame 2, in the throat area of which a workpiece support 3 designed as a workpiece support is arranged, which serves to support a sheet 4 to be processed.
  • the workpiece table 3 forms a horizontal support plane 5 for the sheet 4 to be processed, which is parallel to the x / y plane of the in FIG. 1 shown coordinate system runs.
  • the clamping device 7 clamped sheet 4 in the support plane 5 of the workpiece table 3 is displaced.
  • a tool punch receptacle 8 is arranged, on which a tool punch 9 is fixed. Furthermore, at the front end of the lower leg of the C-shaped machine frame 2, a tool die holder 10 is provided, on which a tool die 11 is fixed. The tool punch 9 and the tool die 11 form a tool 12.
  • a tool drive of the punching / forming machine 1 is formed by a tool punch drive 13 and a tool die drive 14.
  • the tool punch drive 13 By means of the tool punch drive 13, the tool punch receptacle 8 together with the tool punch 9 fixed thereto can be raised and lowered along a lifting axis 15 relative to the work table 3.
  • the tool die holder 10 together with the tool die 11 fixed thereto can be raised and lowered by means of the tool die drive 14 along the stroke axis 15 relative to the workpiece table 3.
  • the tool punch receptacle 8 and the tool die receptacle 10 are rotationally adjustable by means of a tool rotary drive, not shown in detail, about a tool rotation axis 16 identical to the lifting axis 15.
  • a linear magazine 17 is provided with further tools 12.
  • the tools 12 located in the linear magazine 17 are each held by a tool cassette 18 and can be fixed to the tool punch holder 8 and the tool die holder 10 as required for workpiece machining.
  • the tool punch receptacle 8 and the tool die receptacle 10 are first transferred along the lifting axis 15 into tool changing positions. Then, an empty tool cassette 18 of the linear magazine 17 by means of the coordinate guide 6 laterally moved to the tool holders 8, 10. Support arms of the tool cassette 18 thereby encompass the tool punch 9 and the tool die 11. As soon as the holding arms of the tool cassette 18 the Tool die 9 and the tool die 11 firmly embrace the tool 12 is released from the tool punch holder 8 and the tool die holder 10. Now, the tool 12 can be pushed laterally out of the tool holders 8, 10 by means of the coordinate guide 6. Subsequently, the tool 12 to be loaded is also positioned by means of the coordinate guide 6 on the tool holders 8, 10 and clamped there.
  • the numerical control unit 19 includes, in particular, storage means 20 for storing tool data and control means 21 for measuring and increasing both the raising and lowering movements of the tool punch receptacle 8 and the raising and lowering movements of the tool die receptacle 10 based on the stored tool data control.
  • FIG. 2 shows an example of a tool 12 of the punching / forming machine 1 in the form of a so-called "card guide tool".
  • the illustrated mutual arrangement of the tool punch 9 and the tool die 11 along the lifting axis 15 corresponds to the mutual arrangement when the tool punch 9 and the tool die 11 are fixed to the tool holders 8, 10 of the punching / forming machine 1.
  • the tool punch 9 has a tool shaft 22 extending along the lifting axis 15, on which the tool punch 9 can be fixed or clamped on the tool punch receptacle 8.
  • a tool head 23 follows the tool shank 22 along the stroke axis 15 and is radially widened with respect to the tool shank 22.
  • a processing device in the form of a Umformance 24 is provided on the workpiece associated side of the tool head 22 (bottom) .
  • a contact surface 25 is provided, on which the tool punch 9 is supported along the lifting axis 15 on the tool punch receptacle 8.
  • the height of the tool head 23 corresponds to the distance between the contact surface 25 and the lowermost edge or surface of the forming strip 24th
  • the tool die 11 also has a tool shank 26 for fixing the tool die 11 to the tool die receptacle 10.
  • a plate-shaped tool head 28 is provided on the tool die 11, which is widened partially radially to the lifting axis 15 with respect to the tool shank 26 and on which two forming strips 29 are provided as processing devices.
  • the height of the tool head 28 is measured as the distance between the bottom 30 of the tool head 28 and the top edge or surface of the Umformologyn 29th
  • the others in the linear magazine 17 of the punching / forming machine 1 off FIG. 1 arranged tools 12 differ from that in FIG. 2
  • various tool dies 9 with different height tool heads 23 and different tool dies 11 are provided with different heights tool heads 28.
  • the tool shanks 22, 26 of the tool punches 9 and the tool dies 11 are each designed structurally uniform.
  • tool cassettes 18 are provided in two different sizes, which essentially differ only by the distance which the tool dies 9 and tool dies 11 held in the tool cassettes 11 take along the stroke axis 15.
  • FIGS. 3 to 6 The relationships on the tool holders 8, 10 of the punching / forming machine 1 during a workpiece machining on the basis of FIGS. 3 to 6 explained.
  • On the left side of the FIGS. 3 to 6 the conditions are shown in a workpiece machining with a tool 12 of the first type.
  • On the right side of the FIGS. 3 to 6 the conditions in a workpiece machining with a tool 12 'second Type shown.
  • the tool 12 on the left side has along the lifting axis 15 significantly lower tool heads 23, 28 than the tool 12 'on the right side. Both tools 12, 12 'are used to create transformations.
  • FIG. 3 the conditions are shown immediately after the replacement of the tools 12, 12 '.
  • the tool punch holder 8 and the tool die holder 10 take along the lifting axis 15 their tool change positions.
  • the tool change positions of the tool die holder 10 are identical for both tools 12, 12 '- as well as for all other tools - since in the linear magazine 17 the underside of all tool dies 11 (contact surface 27) is arranged at the same height along the stroke axis 15 , This matching horizontal position, the tool matrices 11 also in the case of lateral replacement in the tool die holder 10 at.
  • the tool change positions of the tool punch holder 8 are different from each other.
  • the tool punch receptacle 8 is lowered further along the lifting axis 15 than on the right side.
  • the reason for the different tool change positions of the tool punch receptacle 8 is that the left tool 12 is held in the linear magazine 17 by a lower tool cassette 18 than the right tool 12 '.
  • the one on the left side of FIG. 3 As a result, tool dies 9 shown are arranged lower along the stroke axis 15 than those on the right side of FIG. 1 , These different positions of the tool punch 9 along the lifting axis 15 must be taken into account when changing the tool punch 9 in the tool punch holder 8 by different tool change positions of the tool punch holder 8.
  • FIG. 3 By the way is off FIG. 3 it can be seen that the tool die 11 on the left side of FIG. 3 is arranged immediately after the replacement completely below the support plane 5 of the workpiece table 3, while in the case of Tool 12 'on the right side of FIG. 3 the tool head 28 of the tool die 11 projects beyond the support plane 5 of the workpiece table 3 along the lifting axis 15.
  • the tool die holder 10 is lowered to the height of the tool heads 28 of the clamped tool dies 11 in different stroke starting positions ( FIG. 4 ). Furthermore, the tool punch receptacle 8 is lowered in accordance with the height of the tool heads 23 of the clamped tool dies 9 into different working basic positions, in which the undersides of the tool heads 23 are arranged on the upper side of the sheet 4 to be processed ( FIG. 5 ).
  • FIG. 6 shows in each case the conditions after completion of a running of the tool die holder 10 starting from the Hubausgangslagen working stroke.
  • the tool die holder 10 assume Hubendlagen, which are different depending on the height of the tool head 28.
  • punching tools can also be used on the punching / forming machine 1.
  • tools may be provided which are designed such that the working stroke is performed by the tool punch receptacle 8 and the tool die receptacle 10 occupies a basic work position during workpiece machining.
  • tool data are stored for the tools 12 equipped in the linear magazine, which make it possible to determine the required positions of the tool punch receptacle 8 and the tool die receptacle 10.
  • the tool head heights of the various tool dies 9 and the various tool dies 11 or at least tool data dependent on the tool head heights are stored.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP08003217A 2008-02-22 2008-02-22 Machine-outil destinée à la coupe et/ou au formage de pièces à usiner en plaques Active EP2092994B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE502008000434T DE502008000434D1 (de) 2008-02-22 2008-02-22 Werkzeugmaschine zum Schneiden und/oder Umformen von plattenartigen Werkstücken
AT08003217T ATE460238T1 (de) 2008-02-22 2008-02-22 Werkzeugmaschine zum schneiden und/oder umformen von plattenartigen werkstücken
EP08003217A EP2092994B1 (fr) 2008-02-22 2008-02-22 Machine-outil destinée à la coupe et/ou au formage de pièces à usiner en plaques
JP2009036514A JP5167165B2 (ja) 2008-02-22 2009-02-19 板状の工作物を切断しかつ／又は変形するための工作機械
US12/390,601 US8201432B2 (en) 2008-02-22 2009-02-23 Plate workpiece processing with interchangeable tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08003217A EP2092994B1 (fr) 2008-02-22 2008-02-22 Machine-outil destinée à la coupe et/ou au formage de pièces à usiner en plaques

Publications (2)

Publication Number Publication Date
EP2092994A1 true EP2092994A1 (fr) 2009-08-26
EP2092994B1 EP2092994B1 (fr) 2010-03-10

Family

ID=39432834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08003217A Active EP2092994B1 (fr) 2008-02-22 2008-02-22 Machine-outil destinée à la coupe et/ou au formage de pièces à usiner en plaques

Country Status (5)

Country Link
US (1) US8201432B2 (fr)
EP (1) EP2092994B1 (fr)
JP (1) JP5167165B2 (fr)
AT (1) ATE460238T1 (fr)
DE (1) DE502008000434D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672033A (zh) * 2012-06-08 2012-09-19 衡水益通金属制品有限责任公司 一种弧形波纹板多孔冲孔设备
CN106623603A (zh) * 2017-02-23 2017-05-10 沈奇 一种能自固定的板材打孔装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103230975A (zh) * 2013-05-13 2013-08-07 湖南同心干杉车身制造有限公司 薄板件冲孔方法及冲孔装置
TW201514642A (zh) * 2013-12-04 2015-04-16 Hon Hai Prec Ind Co Ltd 加工程式優化系統及方法
JP7144151B2 (ja) 2018-02-07 2022-09-29 シチズン時計株式会社 電子時計
CN109351845A (zh) * 2018-10-17 2019-02-19 翁招娣 一种建筑材料加工用节能环保型设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0339832A1 (fr) * 1988-04-28 1989-11-02 British United Shoe Machinery Limited Presse à découper
EP0417836A1 (fr) * 1989-09-12 1991-03-20 HOLDING M. BROUWER & CO. B.V. Machine à poinçonner
US5438521A (en) * 1994-03-10 1995-08-01 Finn-Power International, Inc. Apparatus and method for measuring and compensating the length of a punch tool
EP1625901A1 (fr) * 2004-08-09 2006-02-15 Trumpf Werkzeugmaschinen GmbH + Co. KG Presse avec dispositif de détection de la position de référence mutuelle des parties d' outils d' un outil de presse
US20060042341A1 (en) * 2004-08-30 2006-03-02 Murata Kikai Kabushiki Kaisha Deburring device, and deburring method for punch press, and punch press
JP2006205199A (ja) * 2005-01-27 2006-08-10 Calsonic Kansei Corp ピアスバーリング装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50303112D1 (de) * 2003-07-26 2006-06-01 Trumpf Werkzeugmaschinen Gmbh Werkzeugmaschine mit Werkzeug-Hubantrieb

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0339832A1 (fr) * 1988-04-28 1989-11-02 British United Shoe Machinery Limited Presse à découper
EP0417836A1 (fr) * 1989-09-12 1991-03-20 HOLDING M. BROUWER & CO. B.V. Machine à poinçonner
EP0417836B1 (fr) 1989-09-12 1993-07-07 HOLDING M. BROUWER & CO. B.V. Machine à poinçonner
US5438521A (en) * 1994-03-10 1995-08-01 Finn-Power International, Inc. Apparatus and method for measuring and compensating the length of a punch tool
EP1625901A1 (fr) * 2004-08-09 2006-02-15 Trumpf Werkzeugmaschinen GmbH + Co. KG Presse avec dispositif de détection de la position de référence mutuelle des parties d' outils d' un outil de presse
US20060042341A1 (en) * 2004-08-30 2006-03-02 Murata Kikai Kabushiki Kaisha Deburring device, and deburring method for punch press, and punch press
JP2006205199A (ja) * 2005-01-27 2006-08-10 Calsonic Kansei Corp ピアスバーリング装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672033A (zh) * 2012-06-08 2012-09-19 衡水益通金属制品有限责任公司 一种弧形波纹板多孔冲孔设备
CN106623603A (zh) * 2017-02-23 2017-05-10 沈奇 一种能自固定的板材打孔装置
CN106623603B (zh) * 2017-02-23 2017-10-24 新沂城北新区城市建设发展有限公司 一种能自固定的板材打孔装置

Also Published As

Publication number Publication date
US20090211328A1 (en) 2009-08-27
ATE460238T1 (de) 2010-03-15
EP2092994B1 (fr) 2010-03-10
DE502008000434D1 (de) 2010-04-22
JP2009195985A (ja) 2009-09-03
JP5167165B2 (ja) 2013-03-21
US8201432B2 (en) 2012-06-19

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