EP2656937B1 - Verfahren zum Einbringen einer Umformung in ein plattenartiges Werkstück - Google Patents

Verfahren zum Einbringen einer Umformung in ein plattenartiges Werkstück Download PDF

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Publication number
EP2656937B1
EP2656937B1 EP13163556.7A EP13163556A EP2656937B1 EP 2656937 B1 EP2656937 B1 EP 2656937B1 EP 13163556 A EP13163556 A EP 13163556A EP 2656937 B1 EP2656937 B1 EP 2656937B1
Authority
EP
European Patent Office
Prior art keywords
workpiece
tool
reshaping
folded
tool holder
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
EP13163556.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2656937A1 (de
Inventor
Thomas Bronnhuber
Alexander Tatarczyk
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 EP2656937A1 publication Critical patent/EP2656937A1/de
Application granted granted Critical
Publication of EP2656937B1 publication Critical patent/EP2656937B1/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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001—Shaping combined with punching, e.g. stamping and perforating
    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • 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
    • B21D28/10—Incompletely punching in such a manner that the parts are still coherent with the work
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles

Definitions

  • the invention relates to a method for introducing a deformation into a plate-like workpiece, in particular to a method for introducing a downwardly directed deformation into a section of a workpiece resting on a workpiece support of a machine tool.
  • Another possibility is to punch the contours of the components first and then the necessary To bring in transformations. For this, a complex handling of the components is required, so that this procedure is associated with great effort.
  • pamphlet DE 10 2006 015 148 A1 basically shows a method in which transformations of a sheet metal tab take place on one side of a sheet metal surface.
  • a tab preform is raised and, together with another tab, which is essentially mirror-symmetrical, fastening projections are formed, which have a substantially arrow-shaped outer contour.
  • FIG. 1 An example of a machine tool 1 for cutting and / or forming plate-like workpieces is shown.
  • the machine tool here is a punching machine, but may alternatively also be, for example, a punching / laser cutting machine.
  • the machine tool 1 has a C-frame 2, in which a workpiece support designed as a machine table 3 is provided, which serves for mounting a workpiece to be machined in the form of a sheet 4.
  • the upper side of the workpiece support 3 serves as a horizontal support plane 5 for the sheet 4 to be processed.
  • the support plane 5 runs parallel to an xy plane in the in Fig. 1 shown coordinate system.
  • a workpiece moving device 6 the clamped by means of collets 7 sheet 4 in the support plane 5 of the machine table 3 is movable.
  • an upper tool holder 8 is arranged, in which a tool punch 9 is recorded. Furthermore, a lower tool holder 10 is provided at the front end of the lower leg of the C-frame 2, in which a tool die 11 is received. The tool punch 9 and the tool die 11 form a tool 12 for the separating and / or deforming machining of the sheet 4.
  • a punch drive 13 and a die drive 14 each form a drive unit of the machine tool 1 in the form of linear drives.
  • the punch drive 13 By means of the punch drive 13, the upper tool holder 8 with the attached tool die 9 along a lifting axis 15 relative to the machine table 3 can be raised and lowered.
  • the lower tool holder 10 with the tool die 11 accommodated therein can be raised and lowered by means of the die drive 14 along the lifting axis 15 relative to the machine table 3.
  • the upper tool holder 8 and the lower tool holder 10 by means of a rotary drive not shown about an identical with the lifting axis 15 tool axis of rotation 16 and each angle adjustment is adjustable.
  • a tool magazine 17 is provided with other tools 12.
  • the tools 12 contained in the tool magazine 17 are each held by a tool cassette 18 and can be attached to the upper tool holder 8 and the lower tool holder 10 as required for machining the sheet 4.
  • the drives of the machine tool 1 are controlled by means of a control device 21.
  • the control device 21 has a memory device 19 for storing program and tool data and a control device 20 for controlling both the lifting, lowering and Rotary movements of the upper tool holder 8 and the lower tool holder 10 as well as for controlling the tool moving device 6 based on the stored data.
  • Fig. 2 shows a schematic representation of several processing steps on the sheet 4, which in the support plane 5 (FIG. Fig. 1 ), from the side.
  • View A shows the sheet 4 before processing.
  • the sheet 4 rests on the machine table 3 of the machine tool 1, which is not shown in this figure, and is moved by the workpiece moving device 6 such that a region of the sheet 4 to be machined in the area of the upper tool holder 8 and lower tool holder 10 of the machine tool 1 (FIG. Fig. 1 ) comes to rest.
  • FIG. Fig. 1 In view B is shown as a bending tool, consisting of an upper Abkantwerkmaschine 25, which in the upper tool holder 8 of the machine tool 1 (FIG. Fig. 1 ) is received, and a lower Abkantwerkmaschine 26, which is received in the lower tool holder 10 of the machine tool 1, is used.
  • the upper Abkantwerkmaschine 25 is moved down and the lower Abkanttechnikmaschine 26 is moved up to perform a Abkant Kunststoff.
  • ⁇ The angle ⁇ is here 45 °, but may alternatively, according to a Deutschenganden downward Forming be predetermined, so that the downward forming does not collide with the machine table 3.
  • a lower bending tool 26 is received in the lower tool holder and the lower tool holder 10 or the lower Abkanttechnikmaschine 26 is provided with a sprung ejector, which is biased upward.
  • the sprung ejector surrounds the lower Abkantwerkmaschine 26.
  • the lower Abkantwerkmaschine 26 is received in the lower tool holder 10 so that the lower Abkanttechnikmaschine 26 projects beyond the support plane 5 of the sheet 4.
  • the sprung ejector is arranged in its uppermost position so that the spring-loaded ejector projects beyond the lower bending tool 26 and presses the sheet upward, above the support plane 5.
  • the sheet 4 thus slides in a movement by means of the workpiece moving device 6 on the sprung ejector and has no contact with the lower Abkantwerkmaschine 26 so that it is not damaged by the lower Abkantwerkmaschine 26.
  • the upper Abkantwerkmaschine 25 is driven by the upper tool holder 8 down and the sheet 4 is pressed against the biasing force of the sprung ejector down, the lower tool holder, and thus the lower Abkantwerkmaschine 26 is fixed immovably.
  • the relative movement of the upper Abkanttechnikmaschines 25 and the lower Abkanttechnikmaschines 26 of the portion of the sheet 4 by the predetermined angle ⁇ bent upward so that the bent workpiece portion 22 relative to the remaining portion 23 of the sheet 4 is formed, and the bent workpiece portion 22 relative to the Remaining portion 23 is raised.
  • the angle ⁇ is here also 45 °, but may alternatively, according to a be introduced to be introduced downward forming, so that the downward deformation does not collide with the machine table 3 or the sprung ejector.
  • View C shows a forming step as a further step of the process.
  • a forming tool consisting of an upper tool holder 8 which is inserted into the upper tool holder 8, and a lower forming tool 28 which is inserted into the lower tool holder 10, is used in this case.
  • the upper forming tool 27 is moved down and the lower forming tool 28 is moved upwards, so that with respect to the folded workpiece portion 22 downward forming 24 is formed in a single stroke. Alternatively, several strokes, possibly performed with other forming tools. Since the angle ⁇ , by which the bent workpiece section 22 is raised, is predetermined in such a size that the downwardly directed deformation 24 is not connected to the machine table 3 (FIG. Fig.
  • a free cutting step is shown as an optional further processing step in which the beveled workpiece section 22 with the downwardly directed deformation 24 is separated from the remaining section 23 of the sheet 4.
  • a separating punch 29 is loaded in the upper tool holder 8 and in the lower tool holder a die corresponding to the die 29 is replaced.
  • the separating stamp 29 is moved down and the bent workpiece portion 22 is separated at the fold. Alternatively, the separation can also be done next to the fold.
  • Fig. 2 the individual processing steps of the method are shown schematically.
  • the method can be applied, for example, to the production of components consisting of the folded workpiece sections 22, which are separated from a metal strip.
  • Fig. 3 shows an alternative application of the method to a sheet 4, in which the portion of the workpiece which is separated, lies in the interior of a surface of the sheet 4.
  • the section has one, as in Fig. 3 shown outer contour 30, which is separated in a previous step by a suitable punching tool on several sides (here three) of the portion of the residual portion 23.
  • Fig. 4 shows the result of the Abkant Kunststoffs in which the portion on a side which is not separated from the remaining portion 23, analogous to that in Fig. 2 shown Abkant vinegar, is folded.
  • the bent workpiece portion 22 is formed with the outer contour 30th
  • the downward forming 24 was then introduced.
  • the bent workpiece portion 22 is not separated from the remainder portion 23 in the free cutting step, but the folded side of the folded workpiece portion 22 is machined to form a micro-joint composite 31.
  • the bent workpiece portion 22 later separated, for example, by hand from the remaining portion 23.
  • a free cutting by punching or laser processing is also possible here.
  • the bent workpiece portion 22 is formed in the present embodiment on one side of the outer contour 30. A transformation of several sides or the inner surface of the formed workpiece section 22 and / or a punching operation are alternatively also possible.
  • the separation of the sides of the portion from which the beveled workpiece portion 22 formed from the residual sheet 23 may alternatively, instead of punching, also by a laser machining done. In this case, a wide variety of outer contours 30 can then be generated flexibly. Also, the complete separation of the folded workpiece portion 22 of the remaining portion 23 or the creation of the micro-joint composite can be done by means of a laser processing.
  • the preparation of the downward forming 24 is usually made by an upper forming tool 27 and a lower forming tool 28, which are different from the upper Abkanttechnikmaschine 25 and the lower Abkanttechnikmaschine 26.
  • an upper forming tool 27 and a lower forming tool 28 which are different from the upper Abkanttechnikmaschine 25 and the lower Abkanttechnikmaschine 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Punching Or Piercing (AREA)
  • Laser Beam Processing (AREA)
EP13163556.7A 2012-04-23 2013-04-12 Verfahren zum Einbringen einer Umformung in ein plattenartiges Werkstück Not-in-force EP2656937B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012206657A DE102012206657A1 (de) 2012-04-23 2012-04-23 Verfahren zum Einbringen einer Umformung in ein plattenartiges Werkstück

Publications (2)

Publication Number Publication Date
EP2656937A1 EP2656937A1 (de) 2013-10-30
EP2656937B1 true EP2656937B1 (de) 2015-06-10

Family

ID=47751498

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13163556.7A Not-in-force EP2656937B1 (de) 2012-04-23 2013-04-12 Verfahren zum Einbringen einer Umformung in ein plattenartiges Werkstück

Country Status (5)

Country Link
US (1) US9358601B2 (ja)
EP (1) EP2656937B1 (ja)
JP (1) JP6157195B2 (ja)
CN (1) CN103372761B (ja)
DE (1) DE102012206657A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6274384B2 (ja) * 2012-04-27 2018-02-07 Nok株式会社 メタルガスケット及びその製造方法
US9342070B2 (en) * 2013-05-31 2016-05-17 Autoform Engineering Gmbh Method and computing system for designing a sheet-metal-forming process
CN103752687B (zh) * 2013-12-26 2015-09-23 上海华仕科技工程有限公司 金属地砖s形锚固筋加工工艺
DE102014209493B4 (de) 2014-05-20 2022-12-08 Robert Bosch Gmbh Verfahren zum Herstellen einer Bedieneinheit umfassend zumindest ein Ausstanzmedium
CN104057274B (zh) * 2014-06-11 2017-06-16 贵州贵航汽车零部件股份有限公司华阳电器公司 电器开关的金属接触片安装方法
EP3299094A1 (de) * 2016-09-26 2018-03-28 TRUMPF Werkzeugmaschinen GmbH + Co. KG Verfahren zur herstellung eines werkstücks sowie stanz-handling-werkzeug zur durchführung des verfarhens
CN107009098A (zh) * 2017-05-04 2017-08-04 昆山广巨精密五金有限公司 一种汽车电讯用钣金件的制备方法及其应用
DE102018104790A1 (de) * 2018-03-02 2019-09-05 Trilux Gmbh & Co. Kg LED-Modul-Halteanordnung

Citations (1)

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Publication number Priority date Publication date Assignee Title
DE102006015148A1 (de) * 2006-03-31 2007-10-11 Reinz-Dichtungs-Gmbh Halterungsvorrichtung

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US2359650A (en) * 1942-11-21 1944-10-03 American Coach & Body Company Apparatus for bending metal
US4356719A (en) * 1980-06-09 1982-11-02 Usm Corporation Mandrel jaw and method of manufacture
GB2107620B (en) * 1981-10-23 1984-09-12 Hunter Douglas International Manufacture of roofing or cladding tiles
JPS5951000A (ja) * 1982-09-14 1984-03-24 Toyota Motor Corp 順送り加工方法
NZ220849A (en) * 1986-06-30 1989-03-29 Dowell Australia Set of jaws for holding extruded aluminium sections during machining
US4852379A (en) * 1988-07-15 1989-08-01 Nat Levenberg Metal forming methods and products formed thereby
EP0624411A1 (de) * 1993-05-13 1994-11-17 Hämmerle Ag Verfahren zum Biegen von Blechen und Abkantpresse zur Durchführung des Verfahrens
US5572899A (en) * 1994-08-08 1996-11-12 Howmedica Inc. Bending method using cooperating jaws having angled planar faces
JP3895538B2 (ja) * 2000-11-24 2007-03-22 本田技研工業株式会社 縁曲げ加工装置
JP4488333B2 (ja) * 2002-09-10 2010-06-23 株式会社アマダ パンチプレスにおける曲げ方法及びその金型
JP4279532B2 (ja) * 2002-10-01 2009-06-17 株式会社アマダ 成形製品の加工方法に使用する金型装置及び下金型
US7051567B2 (en) * 2004-08-17 2006-05-30 Tieh Chin Kung Metal Industry Co., Ltd. Method for folding and curving of a metallic plate
DE102006049044B4 (de) * 2006-10-18 2018-01-11 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Werkzeug zum Schneiden von plattenartigen Werkstücken
DE102006059962A1 (de) * 2006-12-19 2008-06-26 GM Global Technology Operations, Inc., Detroit Abkantvorrichtung und Verfahren zum Abkanten von Werkstücken
JP5690950B2 (ja) * 2010-12-02 2015-03-25 ノルグレン オートメーション ソーリューションズ エルエルシーＮｏｒｇｒｅｎ Ａｕｔｏｍａｔｉｏｎ Ｓｏｌｕｔｉｏｎｓ，Ｌｌｃ． 円形状カム装置を有する成形型
CN102229036A (zh) * 2011-04-29 2011-11-02 兴威电脑（昆山）有限公司 利用数控冲床和下料模具的钣金件的加工方法

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Also Published As

Publication number Publication date
CN103372761B (zh) 2018-03-02
EP2656937A1 (de) 2013-10-30
US20130276503A1 (en) 2013-10-24
US9358601B2 (en) 2016-06-07
DE102012206657A1 (de) 2013-03-21
JP6157195B2 (ja) 2017-07-05
CN103372761A (zh) 2013-10-30
JP2013223884A (ja) 2013-10-31

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