EP2874804A1 - Mécanisme à coin - Google Patents

Mécanisme à coin

Info

Publication number
EP2874804A1
EP2874804A1 EP13750261.3A EP13750261A EP2874804A1 EP 2874804 A1 EP2874804 A1 EP 2874804A1 EP 13750261 A EP13750261 A EP 13750261A EP 2874804 A1 EP2874804 A1 EP 2874804A1
Authority
EP
European Patent Office
Prior art keywords
wedge drive
slide
clamping
clamping device
plane
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
EP13750261.3A
Other languages
German (de)
English (en)
Other versions
EP2874804B1 (fr
Inventor
Ludger MÜLLER
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.)
STRACK NORMA GMBH & CO. KG
Original Assignee
Strack Norma & Co KG 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 Strack Norma & Co KG GmbH filed Critical Strack Norma & Co KG GmbH
Publication of EP2874804A1 publication Critical patent/EP2874804A1/fr
Application granted granted Critical
Publication of EP2874804B1 publication Critical patent/EP2874804B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/40—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by wedge means
    • 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
    • B21D28/32—Perforating, i.e. punching holes in other articles of special shape
    • B21D28/325—Perforating, i.e. punching holes in other articles of special shape using cam or wedge mechanisms, e.g. aerial cams

Definitions

  • the invention relates to a wedge drive with slider element receptacle, at least one movable slide carriage, at least one driver element and with sliding surfaces between the at least one slide slide and the at least one driver element.
  • Such a wedge drive is known from DE 10 2007 045 703 A1.
  • a wedge drive which is also referred to as a slide, basically serves for deflecting pressing forces in punching or forming tools in order to be able to cut, punch or deform through these, in particular, oblique or backward sections of body parts.
  • the wedge drive comprises at least the above elements.
  • the rigid slider element receptacle is connected to a part of the press or of the press tool in order to be able to carry out the punching or forming work by means of the wedge drive.
  • a wedge drive is called upper slide when its slide element receptacle is fixed in the upper part of the press tool connected to the moving press ram.
  • Wedge drive usually has a linear guide in which the movable slide element can reciprocate.
  • the driver element is connected as a rigid element fixed to the part of the press tool to which the slider element receptacle is not attached.
  • the linear guide in the slider element holder should bear the movable slide element as free of play as possible and thereby high press forces and realize high punching times.
  • a tolerance of the running accuracy of the movable slide element of at most 0.02 mm is currently required.
  • the invention is therefore based on the object to provide a wedge drive of the type mentioned above, which ensures a high degree of running accuracy with technically simple means and at the same time minimizes the manufacturing costs and the running time.
  • This object is achieved according to the wedge drive of the type mentioned in the present invention that at least one clamping device is present at least one sliding surface, which simulates the pressing force adjustable during assembly of the working tool for producing a backlash between the at least one slide slide and the at least one slide holder.
  • the gist of the invention is that by simulating the pressing force on the wedge drive, a 0.02 mm clearance tolerance is not only achieved but even improved to 0.00 mm.
  • a development of the invention provides that the clamping screw is arranged in a plane which is perpendicular to the respective sliding surfaces, and the clamping screw is arranged in this plane perpendicular or inclined to the vertical.
  • the force vector produced by the clamping screw which corresponds approximately to that of the pressing force, respectively, at least one first vector triangle perpendicular to the plane of the sliding surface and a second in the plane of the at least one sliding surface or parallel thereto Power triangle vector is split.
  • the clamping device generates a compressive or tensile stress. If larger sliding surfaces meet, it is advantageous if several clamping devices per sliding surface are present.
  • Fig. 1 is a plan view of a prism guide slide carriage
  • FIG. 2 is a plan view of a corresponding driver of the slide carriage according to FIG. 1;
  • Figure 3 shows two views of a further wedge drive, this once in the cut state with the press force and once in the uncut state with the pressing force (Fp) which is later replaced by the clamping device;
  • FIG. 4 shows an embodiment of other wedge drives similar to FIG.
  • FIG. 6 shows a sectional plan view similar to FIG. 5 with another introduction of force
  • each wedge drive 10 which is shown here in the figures, consists of a slider element receptacle 12, at least one movable slide carriage, at least one driver element 16 and sliding surfaces 18 joined therebetween.
  • the sliding surfaces 18 between the slide carriages 14 and the driver elements 16 are acted upon by at least one tensioning device 20 with the pressing force F P.
  • This pressing force is of course adjustable and simulated to produce the backlash between the slide carriage 14 and the slide holder 22, the pressing force Fp.
  • the simulated pressing force F P is, of course, similar to the pressing force FP actually acting on the press and compresses the two sliding surfaces so tightly that there is at most a clearance of 0.01 mm between these units.
  • the clamping screw 20 is arranged in a plane which is perpendicular to the respective sliding surfaces 18 and the clamping screw 20 is arranged in this plane perpendicular or perpendicular to the vertical.
  • the different inclinations to the different wedge drives 10 are based on the corresponding points of application and vectors of the pressing force Fp.
  • the force vectors F and F 2 occurring in the application of the clamping force F s run once perpendicular to the sliding surface and secondly parallel thereto. This gives an even better assembly of the sliding elements to each other.
  • the clamping force F s corresponds to the pressing force F P , so that the actual state for the production can be set clean.
  • the sliding surfaces 18 each have a sintered metal support surface, is stored in the solid lubricant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

L'invention concerne un mécanisme à coin (10) comportant un logement d'élément poussoir, au moins un chariot de poussoir mobile, au moins un élément d'entraînement et comportant des surfaces de glissement entre le ou les chariots de poussoir et le ou les éléments d'entraînement. Le mécanisme à coin selon l'invention est caractérisé en ce que, sur au moins une surface de glissement, se trouve au moins un dispositif de tension qui simule la force de pression (FP) de façon réglable lors du montage de l'outil de travail, pour établir une liberté de jeu entre le ou les chariots de poussoir et le ou les logements de poussoir.
EP13750261.3A 2012-07-21 2013-07-19 Mécanisme à came Active EP2874804B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012014546.2A DE102012014546A1 (de) 2012-07-21 2012-07-21 Keiltrieb
PCT/EP2013/002146 WO2014015967A1 (fr) 2012-07-21 2013-07-19 Mécanisme à coin

Publications (2)

Publication Number Publication Date
EP2874804A1 true EP2874804A1 (fr) 2015-05-27
EP2874804B1 EP2874804B1 (fr) 2016-09-14

Family

ID=48998561

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13750261.3A Active EP2874804B1 (fr) 2012-07-21 2013-07-19 Mécanisme à came

Country Status (3)

Country Link
EP (1) EP2874804B1 (fr)
DE (1) DE102012014546A1 (fr)
WO (1) WO2014015967A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015103112B4 (de) 2014-03-06 2019-10-10 voestalpine Gießerei Linz GmbH Werkzeugschieber
DE112015000004B4 (de) * 2014-03-06 2016-03-10 Voestalpine Giesserei Linz Gmbh Werkzeugschieber
DE102014102993B4 (de) 2014-03-06 2016-05-12 Voestalpine Giesserei Linz Gmbh Werkzeugschieber
JP2017507036A (ja) * 2014-03-06 2017-03-16 フェストアルピネ・ギーセライ・リンツ・ゲー・エム・ベー・ハー 工具スライド
CN104384360B (zh) * 2014-07-30 2016-08-17 上海屹丰汽车模具制造有限公司 利用与模座成任意角度的斜楔基准的加工方法
WO2017005875A1 (fr) * 2015-07-07 2017-01-12 Voestalpine Giesserei Linz Gmbh Entraînement trapézoïdal et élément coulissant associé
CN106140993B (zh) * 2016-08-23 2018-01-05 优德精密工业（昆山）股份有限公司 一种提高斜楔使用寿命的装置
DE202017100989U1 (de) * 2017-02-22 2017-04-21 Fibro Gmbh Keiltrieb mit optimierter Führung
FR3076475B1 (fr) * 2018-01-09 2019-11-29 Psa Automobiles Sa Montage de coulisseau sur un bati de presse d’emboutissage
DE102018111366B4 (de) * 2018-05-14 2024-03-07 F I B R O Gmbh Keiltrieb mit justierbarer Führungsvorrichtung
DE202021003189U1 (de) 2021-10-13 2023-01-17 Strack Norma Gmbh & Co. Kg Keiltrieb zum reversiblen Vorschieben eines Metallbearbeitungswerkzeugs und Zyklenwerkzeug zum Bearbeiten eines Werkstücks
DE102022106585B4 (de) 2022-03-21 2023-10-19 F I B R O Gmbh Schieberanordnung
DE102022117325B3 (de) * 2022-07-12 2023-11-09 F I B R O Gmbh Schieberanordnung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012098423A1 (fr) 2011-01-17 2012-07-26 Gsb Oilles Imalat San.Paz.Tic.Ltd.Şti Organe de commande en v autolubrifiant et élément à came dans des éléments de moulage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004249355A (ja) * 2003-02-21 2004-09-09 Sankyo Oilless Industry Inc モジュールカムと加工具の取付位置調整方法
US6978651B2 (en) * 2004-06-01 2005-12-27 Anchor Lamina America, Inc. Roller cam
DE102007045703A1 (de) 2007-09-24 2009-04-09 Harald Weigelt Keiltrieb mit Schieberaufnahme

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012098423A1 (fr) 2011-01-17 2012-07-26 Gsb Oilles Imalat San.Paz.Tic.Ltd.Şti Organe de commande en v autolubrifiant et élément à came dans des éléments de moulage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014015967A1

Also Published As

Publication number Publication date
EP2874804B1 (fr) 2016-09-14
DE102012014546A1 (de) 2014-01-23
WO2014015967A1 (fr) 2014-01-30

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