EP1799372B1 - Procede et dispositif pour la fabrication et/ou l'usinage de pieces - Google Patents

Procede et dispositif pour la fabrication et/ou l'usinage de pieces Download PDF

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Publication number
EP1799372B1
EP1799372B1 EP05799523A EP05799523A EP1799372B1 EP 1799372 B1 EP1799372 B1 EP 1799372B1 EP 05799523 A EP05799523 A EP 05799523A EP 05799523 A EP05799523 A EP 05799523A EP 1799372 B1 EP1799372 B1 EP 1799372B1
Authority
EP
European Patent Office
Prior art keywords
tool
force
bridge
plate
pressure
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
EP05799523A
Other languages
German (de)
English (en)
Other versions
EP1799372A1 (fr
Inventor
Michael Op De Hipt
Rudolf Welk
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.)
Feintool International Management AG
Original Assignee
Feintool International Management AG
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 Feintool International Management AG filed Critical Feintool International Management AG
Priority to SI200530837T priority Critical patent/SI1799372T1/sl
Priority to PL05799523T priority patent/PL1799372T3/pl
Publication of EP1799372A1 publication Critical patent/EP1799372A1/fr
Application granted granted Critical
Publication of EP1799372B1 publication Critical patent/EP1799372B1/fr
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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • 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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/16—Additional equipment in association with the tools, e.g. for shearing, for trimming
    • 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
    • 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
    • B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49813—Shaping mating parts for reassembly in different positions

Definitions

  • the invention relates to a method and a device for producing and / or processing parts, in particular for producing stamped parts, having at least one tool which can be placed under pressure and / or force according to the preamble of method claim 1 and device claim 4, respectively.
  • the present invention relates to all machines which have a tool with which parts are to be manufactured or processed under pressure.
  • the processing machines may be thermoforming devices or the like.
  • punching machines in which stamped parts are produced in a tool, which consists of an upper and a lower tool part, between which a strip of material is clamped.
  • Corresponding cutting or forming elements then press on the material and separate it out or reshape it.
  • a corresponding fine cutting device is for example in the DE 35 76 129 D1 shown.
  • a fineblanking tool can be found in the DE 197 51 238 A1 ,
  • the serrated or counter-pressure cylinders are arranged centrally in the compact or plunger.
  • Einlagering or a mold plate which is arranged centrally above the printing cylinder.
  • the disadvantage of this central impression cylinder arrangement is that the force transmission can not be matched to the tool needs. Furthermore, there is no way to divide the work stages, if different print or Lift heights are required. This refers to both the number of force-transmitting elements, as well as their size and position. Due to this rigid arrangement of the printing cylinders, the use of tools with an eccentric load leads to tilting or tilting of the printing plate. In order to circumvent this weakness, sliding pressure pads have been used, but have the great disadvantage that the setup effort requires an unacceptable extent and the press body and the press ram are weakened by the large openings accordingly in their structure and the cushion dimensions are not changed arbitrarily can be.
  • the present invention has for its object to develop a method and apparatus of the type mentioned above, which allow a free and flexible arrangement and control of the force-transmitting elements, so that in the end punched parts of any size and geometry can be manufactured.
  • the basic idea of the present invention is a field of force-transmitting elements in which they can be made in any number, in a variable arrangement and transmission surface.
  • the forces themselves transmitted by the force-transmitting elements can be hydraulic, pneumatic, spring force, mechanical or electromotive be generated.
  • the force-transmitting elements can be adapted in size and number according to the respective tool concept.
  • the individual force-transmitting elements can be independent of each other both force as well as way dependent and be controlled and / or regulated depending on the requirements of the tool.
  • a corresponding device consists of several individual force-transmitting machine elements (cylinders, springs), which are arranged distributed in an arbitrary grid over the entire table or tappet surface of the press.
  • the individual elements / stations can be controlled independently of one another or in any desired arrangement in a pressure-dependent and / or path-dependent and / or force-dependent manner. Over different length bridge bars or arbitrarily shaped fittings in the tool change plates or in the tool, the individual stations / elements can be connected in any number and arrangement. In this way, several independent force transmission fields can be provided in different length / extent and force.
  • cross-bridge bars are provided in the tool. (or fittings) arranged. These cross bridges are formed according to the individual tool stages and part of the tool.
  • a tool 1 arranged underneath a removable plate 2 and arranged under the removable plate 2 table 3.
  • the replacement plate 2 is preferably connected to the table 3 via T-strips, which engage at least partially in T-grooves 4. How this happens is, for example, in the DE 36 62 351 D shown.
  • the pressure ram 5 surrounds a ring 36 in the position of use.
  • a plurality of pressure force elements 5 are arranged, above each of which a pressure pin 6 is seated, which is guided and held in the removable plate 2.
  • a support spring 9 which holds the pressure pin 6 in the supporting position.
  • the pressure pins 6 support a transverse bridge 10, so that there is a clearance 11 between the transverse bridge 10 and the removable plate 2 by forming a distance a.
  • This support position of the pressure bolt 6 allows a smooth change of the removable plate 2 together with the cross-bridge bar 10, since the pressure pin 6 does not hang down from the removable plate 2.
  • the transverse bridge 10 is equipped with a sprung ball pressure screw 13. This ball pressure screw 13 engages in a groove 14 of the removable plate and thus fixes the cross-bridge 10th
  • the length of the transverse bridges 10 are designed according to the tool requirements so that they cover two or more pressure pin 6.
  • a tray 16 On the transverse bridge 10 is a frame 15.
  • a tray 16 In this frame 15, a tray 16 can be seen, in which a pressure pin bridge 17 is slidably guided.
  • the pressure pin bridge 17 is supported by a support mushroom 18 against the transverse bridge 10, wherein the support mushroom 18 is connected by means of a bolt 19 with the pressure pin bridge 17.
  • the support mushroom 18 causes the pressure pin bridge 17 from the surface of the removable plate 2 also maintains a distance a. This distance also corresponds to the distance a of the transverse bridge 10 in the free space 11 of the removable disk 2. It defines the maximum Druckkissenhub.
  • the shape of the tray 16 and the pressure pin bridge 17 depends on the particular tool needs. Like the transverse bridge, the pressure pin bridge does not need to be a straight fitting, but any shaped parts are conceivable, for example oval, round or at an angle to one another. Corresponding embodiments then also have the compartments 16 and free spaces 11.
  • FIG. 1 for the pressure pin bridge 17 a retractor 20 recognizable.
  • This has a bolt 21 which is screwed into the pressure pin 17 bridge.
  • the head 22 is supported via a coil spring 24 against a lower step 25 of this stepped bore 23.
  • the pressure pin bridge 17 is pulled up with the support mushrooms 18, and the lower edge of the support mushrooms 18 closes flush with the lower edge of the frame 15 and the tool base 1 from.
  • the tool base 1 can be easily removed and inserted for tool change.
  • a tool element 26 which is an ejector in the present embodiment. From this ejector an ejector ring 27 is shown, which rests on a pressure pin 28. About this pressure pin 28, the ejector 27 can be pressed against the pressure pin 17 bridge. By a coil spring 29, it is pushed back into the starting position.
  • the pressure pin 28 passes through a base plate 30, which rests on the frame 15.
  • This base plate 30 is connected via a height compensation 31 with a die 32, which is done by a corresponding bolt 33.
  • a serration 34 is recognizable for fine cutting.
  • a fine cutting device is used, as for example in the DE 35 76 129 A is described.
  • the corresponding tool consists of two mold halves, namely an upper and a lower mold half, the device according to the invention can be used in both tool halves application, but within the scope of the invention is also that the inventive device is used only in a tool part.
  • the two tool halves are brought together, with the sheet metal from which the part is cut out should, between the two tool halves is arranged.
  • the die 32 cooperates with a counter-element, wherein a significant pressure / force is exerted on the die 32 and also on the tool element 26.
  • this pressure / force on the height compensation 31 and the base plate 30 and the frame 15 is transmitted to the or the cross member 10, which in turn forces (eg, tilting force or unequal forces) thereby capture that the pressure pin 6 of the hydraulic cylinder 5 yield accordingly ,
  • This yielding takes place in the region of the free space 11 by reducing the distance a between the transverse bridge 10 and the removable plate 2.
  • the number and arrangement of the pressure pins 6 and the pressure elements 5 can be assigned to the individual tool work stations via the transverse bridges 10.
  • the push pin bridges 17 can then be adapted to the requirements of each workstation.
  • a special embodiment is additionally provided.
  • it is received in the plunger 12 in a hydraulic cylinder.
  • three pistons are seated on it, each piston having its own pressure chamber, which can be charged with a pressure medium.
  • a force on the pressure force element 5 is substantially increased, which counteracts the immersion of the pressure bolt 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Turning (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Punching Or Piercing (AREA)
  • Press Drives And Press Lines (AREA)

Claims (12)

  1. Procédé pour la fabrication et/ou l'usinage de pièces, en particulier pour la fabrication de pièces estampées, avec au moins un outil (1) pouvant être mis sous pression et/ou force, la pression/force appliquée sur l'au moins un outil (1) étant répartie dans l'outil (1) transversalement à la direction de poussée,
    caractérisé par le fait
    que la pression/force répartie transversalement à la direction de poussée est répartie, pour compenser les forces de basculement agissant sur l'au moins un outil (1), sur plusieurs champs de transmission de force sous forme d'éléments flexibles (10, 17) indépendants l'un de l'autre.
  2. Procédé selon la revendication 1, caractérisé par le fait que pour les champs de transmission de force sont prévus des éléments flexibles tels que des ponts transversaux (10, 17) de différente longueur/extension et force.
  3. Procédé selon la revendication 1, caractérisé par le fait que la pression/force répartie transversalement est contrecarrée par une contre-pression/force.
  4. Dispositif pour la fabrication et/ou l'usinage de pièces, en particulier pour la fabrication de pièces estampées, avec au moins un outil (1) pouvant être mis sous pression et/ou force et qui présente au moins une plaque (2) et un élément de travail (26), l'élément de travail (26) s'appuyant par l'intermédiaire d'éléments flexibles (5, 6, 10, 17, 18, 28) contre la plaque (2), caractérisé par le fait que l'élément de travail (26) s'appuie par l'intermédiaire d'au moins un pont transversal (10) qui s'appuie sur une pluralité d'éléments de transmission de force flexibles (5, 6) indépendants l'un de l'autre.
  5. Dispositif selon la revendication 4, caractérisé par le fait que les éléments de transmission de force (5, 6) consistent, chacun, en une tige-poussoir (6) qui s'appuie, d'une part, contre le pont transversal (10), est maintenue dans la plaque (2) et s'appuie, d'autre part, contre un élément de poussée (5).
  6. Dispositif selon la revendication 4, caractérisé par le fait que sur le pont transversal (10) se trouve au moins un pont à tige-poussoir (17).
  7. Dispositif selon la revendication 6, caractérisé par le fait que le pont à tige-poussoir (17) se trouve dans un casier (16) de manière déplaçable à l'encontre de la direction de poussée principale du dispositif et que, à l'autre extrémité, le pont transversal (10) s'appuie contre l'élément de travail (26).
  8. Dispositif selon la revendication 7, caractérisé par le fait qu'au pont à tige-poussoir (17) est associé un dispositif de rappel (20) pour le retour à sa position de départ.
  9. Dispositif selon la revendication 5, caractérisé par le fait que les éléments de poussée (5) sont disposés dans une partie fixe (3) du dispositif, par exemple dans un plateau et/ou au droit de ce dernier dans une traverse surplombant le plateau, tandis que les tiges-poussoirs (6) traversent la plaque (2).
  10. Dispositif selon la revendication 9, caractérisé par le fait que le pont transversal (10) présente au droit de la plaque (2) au moins un élément d'encliquetage (13) qui coopère avec un évidement correspondant dans la plaque (2).
  11. Dispositif selon l'une des revendications 6 à 8, caractérisé par le fait que chaque pont à tige-poussoir (17) est disposé dans le casier (16) dans un bâti (15).
  12. Dispositif selon la revendication 11, caractérisé par le fait que sur le bâti (15) se trouve une plaque de base (30) qui est connectée, éventuellement par l'intermédiaire d'un dispositif de compensation de hauteur (31), avec un élément de travail, par exemple une matrice (32).
EP05799523A 2004-10-07 2005-10-05 Procede et dispositif pour la fabrication et/ou l'usinage de pieces Not-in-force EP1799372B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200530837T SI1799372T1 (sl) 2004-10-07 2005-10-05 Postopek in naprava za izdelavo in/ali obdelavo delov
PL05799523T PL1799372T3 (pl) 2004-10-07 2005-10-05 Sposób i urządzenie do wytwarzania i/lub obrabiania części

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004049149A DE102004049149A1 (de) 2004-10-07 2004-10-07 Verfahren und Vorrichtung zum Herstellen und/oder Bearbeitung von Teilen
PCT/EP2005/010872 WO2006040105A2 (fr) 2004-10-07 2005-10-05 Procede et dispositif pour la fabrication et/ou l'usinage de pieces

Publications (2)

Publication Number Publication Date
EP1799372A1 EP1799372A1 (fr) 2007-06-27
EP1799372B1 true EP1799372B1 (fr) 2009-08-26

Family

ID=35501236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05799523A Not-in-force EP1799372B1 (fr) 2004-10-07 2005-10-05 Procede et dispositif pour la fabrication et/ou l'usinage de pieces

Country Status (14)

Country Link
US (1) US7681427B2 (fr)
EP (1) EP1799372B1 (fr)
JP (1) JP2008515641A (fr)
KR (1) KR20070099520A (fr)
AT (1) ATE440684T1 (fr)
CA (1) CA2583154A1 (fr)
DE (2) DE102004049149A1 (fr)
DK (1) DK1799372T3 (fr)
ES (1) ES2332660T3 (fr)
MX (1) MX2007004134A (fr)
PL (1) PL1799372T3 (fr)
PT (1) PT1799372E (fr)
SI (1) SI1799372T1 (fr)
WO (1) WO2006040105A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2492027B1 (fr) * 2011-02-23 2014-06-25 Siemens Aktiengesellschaft Dispositif d'emboutissage d'une pièce
EP3342568B1 (fr) * 2016-12-28 2019-08-21 Fundacion Centro de Tecnologias de Interaccion Visual y Communicaciones VICOMTECH Compensation assistée numériquement des désalignements dans une matrice découpant un carton
EP3736061A1 (fr) * 2019-05-06 2020-11-11 Lapmaster Wolters GmbH Système de découpage fin et son procédé de fonctionnement
CN112914256A (zh) * 2021-02-22 2021-06-08 福建泉州鑫亿智能科技有限公司 一种智能家居综合调控管理平台

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE408383B (sv) * 1976-04-08 1979-06-11 Asea Ab Press for formning av platar och dylikt med hjelp av en formdyna, som under formningsskedet er innesluten i en kavitet, som bildas av en ovre och en undre verktygsdel av vilka minst en er rorligt anordnad i ett ...
JPS5945450B2 (ja) * 1981-04-20 1984-11-06 猛 大島 汎用プレス機によるフアインブランキング加工装置
US4489584A (en) 1982-12-02 1984-12-25 Hartup Tool, Inc. Single stroke, draw and trim die assembly
CH669748A5 (fr) 1984-11-28 1989-04-14 Feintool Int Holding
CH668224A5 (de) * 1985-05-01 1988-12-15 Feintool Int Holding Presse mit einer oberen und einer unteren platte zum aufspannen eines werkzeugpaketes.
DE59002628D1 (de) * 1989-09-12 1993-10-14 Mueller Weingarten Maschf Mechanische oder hydraulische Presse mit Zieheinrichtung oder Ziehstufe einer Stufenpresse.
DE3931320C1 (fr) * 1989-09-20 1991-08-08 Feintool International Holding, Lyss, Ch
ES2052298T3 (es) * 1990-04-23 1994-07-01 Mueller Weingarten Maschf Dispositivo de embutir en una prensa para embutir piezas de forma de chapa.
DD298484A5 (de) 1990-10-02 1992-02-27 Umformtechnik Erfurt Gmbh,De Hydraulischer blechhalter fuer einfachwirkende pressen
EP0531141B1 (fr) * 1991-09-04 1995-03-22 Toyota Jidosha Kabushiki Kaisha Système de coussin hydraulique pour une presse, ayant une vanne d'arrêt pour déconnecter les boulons de pression d'alimentation hydraulique lors du contact de l'outil mobile avec la pièce
DE19751238A1 (de) * 1997-11-19 1999-05-27 Feintool Int Holding Vorrichtung zum Herstellen eines Werkstückes durch Stanzen
DE19929163C1 (de) * 1999-06-25 2001-01-18 Feintool Internat Holding Ag L Vorrichtung zum Feinschneiden von Werkstücken aus einem Blech
JP3497122B2 (ja) * 2000-08-01 2004-02-16 株式会社ヤマナカゴーキン 打抜き装置
JP2003001337A (ja) * 2001-06-19 2003-01-07 Nakamura Mfg Co Ltd 打ち抜き加工装置
DE10217026C1 (de) * 2002-04-12 2003-12-04 Fraunhofer Ges Forschung Schneideinrichtung
US7243521B2 (en) * 2002-11-14 2007-07-17 Komatsu Ltd. Cushion pin, wear plate, load supporting device, die cushion, press machine and pressing method

Also Published As

Publication number Publication date
SI1799372T1 (sl) 2010-01-29
PL1799372T3 (pl) 2010-02-26
PT1799372E (pt) 2010-01-04
ES2332660T3 (es) 2010-02-10
EP1799372A1 (fr) 2007-06-27
DK1799372T3 (da) 2009-12-21
ATE440684T1 (de) 2009-09-15
DE102004049149A1 (de) 2006-04-13
DE502005008006D1 (de) 2009-10-08
KR20070099520A (ko) 2007-10-09
CA2583154A1 (fr) 2006-04-20
US7681427B2 (en) 2010-03-23
MX2007004134A (es) 2007-10-03
JP2008515641A (ja) 2008-05-15
WO2006040105A2 (fr) 2006-04-20
US20090025447A1 (en) 2009-01-29
WO2006040105A3 (fr) 2006-10-26

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