EP1427552B1 - Dispositif pour deformer un materiau a faible epaisseur de paroi de facon a creer un corps en forme de douille - Google Patents

Dispositif pour deformer un materiau a faible epaisseur de paroi de facon a creer un corps en forme de douille Download PDF

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Publication number
EP1427552B1
EP1427552B1 EP02772206A EP02772206A EP1427552B1 EP 1427552 B1 EP1427552 B1 EP 1427552B1 EP 02772206 A EP02772206 A EP 02772206A EP 02772206 A EP02772206 A EP 02772206A EP 1427552 B1 EP1427552 B1 EP 1427552B1
Authority
EP
European Patent Office
Prior art keywords
forming
centring
strut
shaping dies
dies
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.)
Expired - Lifetime
Application number
EP02772206A
Other languages
German (de)
English (en)
Other versions
EP1427552A1 (fr
Inventor
Manuel Burger
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.)
Felss Burger GmbH
Original Assignee
Felss Burger 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 Felss Burger GmbH filed Critical Felss Burger GmbH
Publication of EP1427552A1 publication Critical patent/EP1427552A1/fr
Application granted granted Critical
Publication of EP1427552B1 publication Critical patent/EP1427552B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0815—Making tubes with welded or soldered seams without continuous longitudinal movement of the sheet during the bending operation
    • 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
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • B21D5/015—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments for making tubes

Definitions

  • the invention relates to a device for deforming thin-walled material, from a substantially flat piece of material to a sleeve-shaped body, with two forming dies, at least one of which is arranged movable against the other, wherein at least one of the forming dies is pivotally mounted.
  • DE-C-870 540 a device for deforming thin-walled material, from a substantially flat piece of material to a sleeve-shaped body, with two forming dies, one of which is movably arranged against the other, and wherein both forming dies are pivotally mounted known ,
  • the invention has the object of providing a device of the type mentioned in such a way that the deformation can be done in a single operation.
  • This object is achieved in that in the open state of the forming die pair of the clear distance is so large that the flat-lying piece of material between the two forming dies can be inserted, and that at the pivot of the forming dies facing the end of the two forming dies each intersecting fingers are arranged, and that a centering blade is arranged at the end remote from the pivot end of the two molding dies.
  • the board can create the fingers when bending, although the two form matrices do not yet lie against one another. Dodge of the sheet in the space below the molding dies is thus excluded.
  • a likewise very advantageous embodiment of the invention is given by the fact that the centering blade is pivotally mounted.
  • each of the two Zentrierheter swung out of the mold and the two form matrices are pivoted together in their final position in which the body receives its final shape.
  • the centering is pivotally mounted on a two-armed lever, at the side facing away from the centering lever arm a cam or the like. attacks.
  • a further advantageous embodiment of the invention is characterized in that preferably a removable closure part is provided adjacent to the centering blade.
  • the two closure members are removed from the forming dies, creating an open gap through which the weld can be made to close the body.
  • the closure member is mounted longitudinally displaceable.
  • This longitudinal displacement is particularly easy to perform.
  • the device 1 denotes a device in FIG. 1, which device is used for forming a sheet metal blank 2 into a shaped body 20.
  • the device 1 contains two molding dies 3 and 4 whose hollow shape corresponds to the outer shape of the later molding 20.
  • the two forming dies 3, 4 are pivotably mounted about a common fulcrum 5, wherein it is quite possible to pivotally mount only one of the two forming dies and to arrange the other in a fixed manner.
  • the two forming matrices 3, 4 are each equipped with a plurality of fingers 6 and 7, respectively, which grip against one another when the two forming matrices pivot against one another.
  • a centering blade 8 or 9 is respectively arranged, against which the respective end of the sheet metal blank 2 is able to bear.
  • the respective end of the sheet metal blank 2 moves against this centering blade 8 or 9 and the sheet metal blank 2 is bent into the female mold as indicated in FIG.
  • the fingers 6 and 7 prevent that the central portion of the sheet metal blank 2 can escape downwards, as long as the lower ends of the two form matrices do not yet abut each other.
  • the two forming dies are closed so far that the centering blades abut each other, they are pulled upwards and the two forming dies are completely attached to each other.
  • the device 1 is shown in the almost closed state, wherein the Zentrierratiter 8.9 and the closure parts 10,11 are extended.
  • FIG 3 shows the upper portion of a forming die 4 with the centering blade 9 and the closure member 11 mounted thereon on a larger scale.
  • the centering blade 9 is fixed to a pivotally mounted lever 30 which is actuated by a cam 31 which is mounted on a rotatable disc 32. At this cam 31 engages a piston 33, which generates the rotational movement of the disc 32 and thus the pivotal movement of the lever 30.
  • Another piston 34 engages a plurality of levers 35 and 36 on the closure member 11 and moves it from its closed position to its open position and vice versa.
  • the lever 30 of the Zentrierhetes can still - as indicated - a spring 37 attack, which moves the lever in the retracted position of the Zentrierhistes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Forging (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Dowels (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Claims (5)

  1. Dispositif (1) pour déformer un matériau à faible épaisseur de paroi à partir d'une pièce de matériau (2) essentiellement plate de façon à créer un corps en forme de douille (20), avec deux matrices de moulage (3, 4), au moins l'une d'entre elles étant agencée de façon mobile contre l'autre, sachant qu'au moins une des matrices de moulage (3, 4) est logée de façon pivotante, caractérisé en ce que dans l'état ouvert des deux matrices de moulage (3, 4), l'écart de l'ouverture est prévu de telle sorte que la pièce de matériau plate (2) peut être insérée entre les deux matrices de moulage, et qu'à chaque extrémité des deux matrices de moulage (3, 4) située près de l'articulation (5) des matrices de moulage (3, 4) sont disposées des griffes (6, 7) engrenant entre elles, et qu'à chaque extrémité des deux matrices de moulage (3, 4) éloignée de l'articulation (5) est disposée une lame de centrage (8, 9).
  2. Dispositif selon la revendication 1, caractérisé en ce que la lame de centrage (8, 9) est logée de façon pivotante.
  3. Dispositif selon la revendication 2, caractérisé en ce que la lame de centrage (8, 9) est logée de façon pivotante sur un levier à deux bras (30), un disque à cames (31, 32) ou similaire agissant sur le bras de levier qui est éloigné de la lame de centrage (8, 9).
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévue, de préférence à proximité de la lame de centrage (8, 9), une pièce de fermeture amovible (10, 11).
  5. Dispositif selon la revendication 4, caractérisé en ce que la pièce de fermeture (10, 11) est logée de façon à pouvoir être déplacée de manière longitudinale.
EP02772206A 2001-09-10 2002-08-26 Dispositif pour deformer un materiau a faible epaisseur de paroi de facon a creer un corps en forme de douille Expired - Lifetime EP1427552B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10144465A DE10144465A1 (de) 2001-09-10 2001-09-10 Vorrichtung zum Verformen von dünnwandigem Material
DE10144465 2001-09-10
PCT/EP2002/009503 WO2003022479A1 (fr) 2001-09-10 2002-08-26 Dispositif pour deformer un materiau a faible epaisseur de paroi de façon a creer un corps en forme de douille

Publications (2)

Publication Number Publication Date
EP1427552A1 EP1427552A1 (fr) 2004-06-16
EP1427552B1 true EP1427552B1 (fr) 2006-03-22

Family

ID=7698456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02772206A Expired - Lifetime EP1427552B1 (fr) 2001-09-10 2002-08-26 Dispositif pour deformer un materiau a faible epaisseur de paroi de facon a creer un corps en forme de douille

Country Status (5)

Country Link
US (1) US7249479B2 (fr)
EP (1) EP1427552B1 (fr)
AT (1) ATE320869T1 (fr)
DE (2) DE10144465A1 (fr)
WO (1) WO2003022479A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005006578B3 (de) * 2005-02-11 2006-03-16 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung von Rohren
US9933092B2 (en) * 2016-08-18 2018-04-03 Deflecto, LLC Tubular structures and knurling systems and methods of manufacture and use thereof
CN109909365B (zh) * 2019-03-29 2024-02-13 浙江凡左科技有限公司 一种开口环扩口定型装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7324077U (de) * 1973-09-27 Asdorfer Eisenwerk Gmbh Biegevorrichtung zum Rundbiegen von Blechzuschnitten, insbesondere zu Rohrschüssen
US737989A (en) * 1902-01-23 1903-09-01 Niagara Machine And Tool Works Machine for making can-bodies.
US1714214A (en) * 1927-05-31 1929-05-21 Darling Jay Machine for stamping out molds
US2505718A (en) * 1947-06-26 1950-04-25 Clearing Machine Corp Tube forming machine with longitudinally movable core
FR1209505A (fr) * 1958-08-09 1960-03-02 Asturienne Mines Comp Royale Procédé et dispositif de fabrication de conduits métalliques soudés à l'étain, notamment en zinc
US3899913A (en) * 1974-05-10 1975-08-19 Dow Chemical Co Sheet wrapper
US5365766A (en) * 1993-05-18 1994-11-22 Amada Engineering & Service Co., Inc. Die assembly having means for automatically controlling in the angular orientation of the lower die plate members
PL181330B1 (pl) * 1996-12-05 2001-07-31 Dozut Komag Sp Z Oo Sposób wymuszania optymalnego przylegania arkusza blachy cienkosciennej do cylindrycznego podloza oraz urzadzenie do realizacji tego sposobu PL
DE19743436A1 (de) * 1997-10-01 1999-04-08 Georg Burger Verfahren zum Verformen eines Bauteils aus Blech und Vorrichtung hierzu
GB9912769D0 (en) * 1999-06-03 1999-08-04 Meltog Ltd Forming mandrel

Also Published As

Publication number Publication date
US20050005662A1 (en) 2005-01-13
DE50206161D1 (de) 2006-05-11
WO2003022479A1 (fr) 2003-03-20
US7249479B2 (en) 2007-07-31
DE10144465A1 (de) 2003-04-10
ATE320869T1 (de) 2006-04-15
EP1427552A1 (fr) 2004-06-16

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