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EP3150297A1 - Découpeuse hydraulique ainsi que support de poinçon de découpage pour découpeuse hydraulique - Google Patents

Découpeuse hydraulique ainsi que support de poinçon de découpage pour découpeuse hydraulique Download PDF

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Publication number
EP3150297A1
EP3150297A1 EP16190450.3A EP16190450A EP3150297A1 EP 3150297 A1 EP3150297 A1 EP 3150297A1 EP 16190450 A EP16190450 A EP 16190450A EP 3150297 A1 EP3150297 A1 EP 3150297A1
Authority
EP
European Patent Office
Prior art keywords
punch
punching device
punching
scraper
piston unit
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
EP16190450.3A
Other languages
German (de)
English (en)
Other versions
EP3150297B1 (fr
Inventor
Karl Buchholz
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.)
TKR Spezialwerkzeuge GmbH
Original Assignee
TKR Spezialwerkzeuge 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 TKR Spezialwerkzeuge GmbH filed Critical TKR Spezialwerkzeuge GmbH
Publication of EP3150297A1 publication Critical patent/EP3150297A1/fr
Application granted granted Critical
Publication of EP3150297B1 publication Critical patent/EP3150297B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • 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
    • B21D28/34—Perforating tools; Die holders
    • 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
    • B21D37/04—Movable or exchangeable mountings for 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
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching 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
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
    • B21D45/006—Stripping-off devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14—Punching tools; Punching dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D2007/1809—Means for removing cut-out material or waste by stripping fingers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D2007/189—Mounting blanking, stripping and break-out tools

Definitions

  • Punching devices of the type mentioned are used to bring in a punching operation holes in one or more sheets, which then subsequently for receiving suitable fasteners, such as. Blind rivets, blind rivet and / or blind rivet nuts serve.
  • the sheets to be processed are arranged in the punching device between the punch and a punching die, so that subsequently the hole can be punched into the sheets, for which purpose the punch is adjusted in the direction of the punching die.
  • the size of the holes to be produced is determined by the diameter of the punching portion of the punch.
  • the punches are detachably mounted on a punch holder of a piston unit of the punching device, wherein the piston unit is movable in its longitudinal axis direction by a drive unit of the punching device and drives through the punch through the sheets to be processed.
  • the change of the punch is currently posing as extremely time-consuming, especially since it must be ensured that all forces acting on the punch during the punching process forces are reliably transmitted. An exact alignment of the punch is therefore also to achieve a perfect punching result of particular importance.
  • the invention has for its object to provide a punching device and a punch carrier for a punching device, which in a reliable way a simple Change of punch to adapt to changing machining requirements allowed.
  • the invention solves the problem by a stamping punch carrier with the features of claim 1 and a punching device with the features of claim 6.
  • Advantageous development of the punch carrier are given in the dependent claims.
  • Characteristic of the punch carrier according to the invention is that the punch holder, which is arranged on the piston unit and serves to position the punch on the piston unit, a transversely to the longitudinal axis of the piston unit and thus transversely to the direction of movement of the punch during the punching process extending punch recording has, in which the Punch can be inserted.
  • a scraper of the stamping die holder which is provided with a passage opening for a punch, serves to fix the stamping punch arranged in the stamping punch receptacle in an operating position, the stripper being attachable to the stamping device for this purpose.
  • the punch recording allows a simple and quick change of the punch, which can be removed in the disassembled state of the scraper in a simple manner from the transverse to the longitudinal axis direction of the piston punch punch recording and used again.
  • Only the scraper which can be fastened to the punching device, and which also permits a movement of the piston unit relative to the scraper, ensures a proper seating of the punching punch in the punching punch receptacle in an operating position in which punching operations can be carried out with the punching device.
  • the scraper prevents slipping or sliding out of the punch from the punch recording.
  • the puncture punch seat extending transversely to the longitudinal axis direction ensures on the one hand that the punch can be assembled and disassembled in a simple manner.
  • the orientation of the stamping die receptacle ensures that forces occurring during the punching process in the longitudinal axis direction of the piston unit are reliably transmitted from the piston unit bearing on the punch to the punch, so that the stamping operations are carried out in the desired manner can be performed.
  • the orientation and shape of the punching post recording is basically freely selectable. Thus, for example, this can extend arcuately transversely to the longitudinal axis direction of the piston unit.
  • the punch seat receptacle is formed by a closed at one end and the other end open, in cross-section C-shaped longitudinal groove.
  • the cross-sectionally C-shaped longitudinal groove extends from a preferably arranged at the edge of the piston unit opening up to its closed end.
  • the longitudinal groove is preferably designed such that the punch is arranged in a system at the closed end in a preferably central operating position on the piston unit.
  • the cross-sectionally C-shaped course of the longitudinal groove makes it possible to fix the punch in a simple manner in the longitudinal axis direction of the piston unit at this.
  • the punch is then supported with its underside on the piston unit.
  • the C-shaped portions of the longitudinal groove secure the position of the punch in the punch seat, the punch for this purpose has a correspondingly shaped base body from which the punch extends through the area between the C-shaped sections of the longitudinal groove.
  • the longitudinal groove allows easy insertion of the main body of the punch from the open end to the closed end. Furthermore, a rapid adaptation of the punching device can take place, for which purpose different punches with identical base bodies are used, the diameter of which is adapted to the width of the longitudinal groove, but which have punched sections with different diameters.
  • the punch seat receiving for example, be provided with a locking body, which is a Vorarret mich the punch in the operating position causes and then allows easy mounting of the scraper.
  • the punch seat receiving has a magnetic holding element in the region of its closed end.
  • the arrangement of the magnetic holding element is a particularly simple embodiment for Vorarrettechnik of the punch in the operating position, in which the punch rests against the closed end of the longitudinal groove.
  • the magnetic holding element allows both a simple assembly and disassembly and allows a particularly cost-effective production of the punch carrier.
  • the number and arrangement of the holding elements can be chosen freely according to the existing requirements.
  • the scraper serves to fix the replaceable punches transversely to the longitudinal axis of the piston unit in the operating position on the punching device.
  • the arrangement of the scraper on the punching device can basically be done in any way. So this example, it can be slid only by clamping on a recording on the punching device, after the scraper is substantially unloaded during the punching process and therefore requires no special position assurance.
  • the scraper is designed for locking arrangement in the operating position on the punching device. This embodiment of the invention ensures a particularly reliable positional securing of the scraper and thus also of the exchangeable punch punch.
  • the punching process can thus be carried out in a particularly high quality and multiple repetitions, since with particularly high reliability, the position assurance of the punch is guaranteed.
  • the scraper has a coating in the contact area with the punch.
  • the coating preferably a slip reducing coating, reduces the friction between the wiper and the punch. As a result, wear is minimized and effectively avoided by friction under certain circumstances noise pollution.
  • Characteristic of the hydraulic punching device with a hydraulically driven punch carrier and a punch die adapted to a punch is that the punch carrier is formed according to one or more of claims 1 to 5.
  • the punching device according to the invention is characterized in that a particularly simple and quick change of the punch can take place without having to make major alterations to the punching device here.
  • FIG. 1 is an embodiment of a punching stamp carrier 1 with a piston unit 2 and a scraper 6 is shown in a perspective view.
  • the piston unit 2 is usually replaceable at one in the FIGS. 2a to 2c and 3a to 3c Punching device 8 shown arranged movable in its longitudinal axis direction.
  • the piston unit 2 For receiving a replaceable punch 4 on the punch carrier 1, the piston unit 2 has a punch holder 3 with a punch recording 5, which is formed by a transverse to the longitudinal axis of the piston unit 2 longitudinal groove and having a C-shaped cross-section.
  • a disk-shaped base support 12 of the punch 4 hineinschiebbar to the closed end of the longitudinal groove.
  • the diameter and the thickness of the base support 12 is adapted to the width and the height of the longitudinal groove, so that the C-shaped sections ensure a locking of the punch 4 in the longitudinal axis direction of the piston unit 2.
  • the punch 4 extends with a relative to the base support 12 tapered portion between the C-shaped sections through in the direction of the scraper 6, which is lockable to the punching device 8.
  • the scraper 6 serves to secure the bearing of the punch 4 in the operating position in which the punch 4 rests on the base support 12 at the closed end of the longitudinal groove.
  • a passage opening 7 on the scraper 6 ensures a passage of the punch 4 at a displacement of the piston unit 2 by the punching device 8, so that 4 corresponding punching operations can be performed with the punch.
  • FIGS. 2a to 2c the simple disassembly of a punch 4 is shown by the bracket 10 of the punching device 8.
  • the bracket 10 of the punching device 8 Starting from the in FIG. 2a darg Horen mounted position of the punch carrier 1 with it installed punch 4 is removed for disassembly of the scraper 6 of the punching device 8, so that the piston unit 2 is accessible, which by the drive unit 11 of the punching device 8 in the longitudinal axis direction of the piston unit 2 in the direction of the punching die. 9 is adjustable. After removal of the scraper 6 is then - as in Figure 2c shown - a removal of the punch 4 possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Punching Or Piercing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP16190450.3A 2015-09-30 2016-09-23 Poinçonneuse hydraulique ainsi que support de poinçon pour poinçonneuse Active EP3150297B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015116562.7A DE102015116562A1 (de) 2015-09-30 2015-09-30 Hydraulisches Stanzgerät sowie Stanzstempelträger für Stanzgerät

Publications (2)

Publication Number Publication Date
EP3150297A1 true EP3150297A1 (fr) 2017-04-05
EP3150297B1 EP3150297B1 (fr) 2020-11-04

Family

ID=57121025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16190450.3A Active EP3150297B1 (fr) 2015-09-30 2016-09-23 Poinçonneuse hydraulique ainsi que support de poinçon pour poinçonneuse

Country Status (3)

Country Link
US (1) US10052780B2 (fr)
EP (1) EP3150297B1 (fr)
DE (1) DE102015116562A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3470147A1 (fr) * 2017-10-12 2019-04-17 TKR Spezialwerkzeuge GmbH Appareil de poinçonnage hydraulique

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021112787A1 (fr) * 2019-12-03 2021-06-10 Takimform Metal Muhendislik Sanayi Ve Ticaret Limited Sirketi Mécanisme de perforation
FR3112092B1 (fr) * 2020-07-03 2023-01-13 Gys Outil de poinconnage d’une tole ou d’un assemblage multi-couches de toles et procede de poinconnage correspondant.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335627A (en) * 1964-04-14 1967-08-15 Pierce All Mfg Ltd Punch assembly
JPH0938730A (ja) * 1995-07-27 1997-02-10 Amada Co Ltd 形鋼加工機用パンチユニット
JP2002143943A (ja) * 2000-11-13 2002-05-21 Amada Co Ltd パンチ金型およびパンチ金型の組立て方法
EP1529576A1 (fr) * 2002-06-13 2005-05-11 Amada Company, Ltd. Matrice de presse a poin onner
DE102006045644A1 (de) * 2005-09-27 2007-04-05 GM Global Technology Operations, Inc., Detroit Schnellwechselbaugruppe für Hydroform-Stanzstempel

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US3211035A (en) * 1963-08-20 1965-10-12 Sr Lawrence V Whistler Punch stripper apparatus
US3958476A (en) * 1975-06-30 1976-05-25 Houdaille Industries, Inc. Punching device with punch retainer
US4261237A (en) * 1979-03-16 1981-04-14 Houdaille Industries, Inc. Rigidly supported molded plastics material punch guide and stripper
US4248111A (en) * 1979-07-16 1981-02-03 Wilson Tool Company Punch guide assembly
DE3637487A1 (de) 1986-11-04 1988-05-19 Muhr & Bender Oberer werkzeugtraeger fuer eine stanze od. dgl.
NL8902274A (nl) 1989-09-12 1991-04-02 Brouwer & Co Machine Ponsmachine.
US5176057A (en) * 1991-10-11 1993-01-05 Murata Machinery Limited Punch holder with stripper arrangement
US5301580A (en) * 1992-10-07 1994-04-12 Wilson Tool International, Inc. Locking ring stripper plate assembly
US5438897A (en) * 1993-12-29 1995-08-08 Murata Machinery, Ltd., Machine Tool Division Stripper arrangement for a punch holder
US5839341A (en) * 1996-04-12 1998-11-24 Mate Precision Tooling Punch unit
US6063228A (en) * 1996-04-23 2000-05-16 Hitachi Cable, Ltd. Method and apparatus for sticking a film to a lead frame
US6311594B1 (en) * 1996-07-03 2001-11-06 Amada Company, Limited Punch guiding apparatus and stripper plate used therefor
JP3222065B2 (ja) * 1996-07-03 2001-10-22 株式会社アマダ パンチ組立体及び板押え
US6047621A (en) * 1998-02-27 2000-04-11 Elba Electronetics, Inc. Quick change adjustable punch tool assembly and method of adjustment
JP2000000797A (ja) * 1998-04-17 2000-01-07 Brother Ind Ltd 裁断用カッタの昇降調節装置
US7698979B2 (en) * 2004-09-22 2010-04-20 Amada Tool America, Inc. Biasing assembly for a punching device
US8327745B2 (en) * 2008-11-06 2012-12-11 Wilson Tool International Inc. Punch assemblies and methods for modifying
JP5608375B2 (ja) * 2009-04-15 2014-10-15 株式会社アマダ パンチ金型及び潤滑油の供給方法
US9089986B2 (en) * 2011-08-22 2015-07-28 Milwaukee Electric Tool Corporation Draw stud connector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335627A (en) * 1964-04-14 1967-08-15 Pierce All Mfg Ltd Punch assembly
JPH0938730A (ja) * 1995-07-27 1997-02-10 Amada Co Ltd 形鋼加工機用パンチユニット
JP2002143943A (ja) * 2000-11-13 2002-05-21 Amada Co Ltd パンチ金型およびパンチ金型の組立て方法
EP1529576A1 (fr) * 2002-06-13 2005-05-11 Amada Company, Ltd. Matrice de presse a poin onner
DE102006045644A1 (de) * 2005-09-27 2007-04-05 GM Global Technology Operations, Inc., Detroit Schnellwechselbaugruppe für Hydroform-Stanzstempel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3470147A1 (fr) * 2017-10-12 2019-04-17 TKR Spezialwerkzeuge GmbH Appareil de poinçonnage hydraulique
US10773293B2 (en) 2017-10-12 2020-09-15 Tkr Spezialwerkzeuge Gmbh Hydraulic punch device

Also Published As

Publication number Publication date
DE102015116562A1 (de) 2017-03-30
US20170087736A1 (en) 2017-03-30
EP3150297B1 (fr) 2020-11-04
US10052780B2 (en) 2018-08-21

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