EP1625898B1 - Dispositif pour la fabrication de tubes - Google Patents

Dispositif pour la fabrication de tubes Download PDF

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Publication number
EP1625898B1
EP1625898B1 EP05015706A EP05015706A EP1625898B1 EP 1625898 B1 EP1625898 B1 EP 1625898B1 EP 05015706 A EP05015706 A EP 05015706A EP 05015706 A EP05015706 A EP 05015706A EP 1625898 B1 EP1625898 B1 EP 1625898B1
Authority
EP
European Patent Office
Prior art keywords
clamping
pressing
tube blank
clamping jaws
blank
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.)
Active
Application number
EP05015706A
Other languages
German (de)
English (en)
Other versions
EP1625898A1 (fr
Inventor
Wolfgang Weil
Walther Lacher
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.)
Weil Engineering GmbH
Original Assignee
Weil Engineering GmbH
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Filing date
Publication date
Application filed by Weil Engineering GmbH filed Critical Weil Engineering GmbH
Publication of EP1625898A1 publication Critical patent/EP1625898A1/fr
Application granted granted Critical
Publication of EP1625898B1 publication Critical patent/EP1625898B1/fr
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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 OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
    • B21C37/0822—Guiding or aligning the edges of the bent sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
    • B21C37/0818—Manufacture of tubes by drawing of strip material through dies

Definitions

  • the invention relates to a device for producing tubes made of thin-walled material, in particular of sheet metal, with a clamping device which has clamping jaws arranged on opposite sides of the tube blank and pressable against the tube blank for holding a tube-shaped preformed tube blank in the welding position.
  • Package flat side adjoining pressure plates have, which rest in a landing area narrow side of the pipe blank and are pressed against the pipe blank, the plate packages are adapted to the outer contour of the pipe blank in the landing area, according to the preamble of claim 1.
  • Such a device is from the DE-C-593 622 known.
  • clamping jaws each consisting of a number of spaced-apart clamping elements, which are pressed to hold a tubular preformed blank in welding position against the pipe blank. Since the distance of the sides of the tube blank to be welded together varies slightly in the region of each clamping element, the weld can in particular over the entire longitudinal extent can hardly be produced with the desired accuracy and quality in contoured tubes.
  • the known device comprises a tensioning device which has clamping jaws which can be pressed on opposite sides of the pipe blank for holding a tubular preformed pipe blank in the welding position. These jaws carry steel forming discs which have decreasing recesses corresponding to the conical tube.
  • a device for the production of longitudinally welded pipes from sheet metal blanks with parallel longitudinal edges is known.
  • the previously known device has a clamping device with two mutually associated mold halves, between which the tube to be processed sheet metal blank can be inserted so that the emerging at the apex of the molds from the mold gaps longitudinal edges can be kept in the welding position to form a butt joint until a via The welding gap movable welding device these longitudinal edges welded together.
  • the clamping device comprising the mold halves is fixed to a specific pipe diameter.
  • the known device For forming the metal strip, the known device has a die with an inner channel, in which the strip is bent in the transverse direction during its movement in the longitudinal direction.
  • the die In order to be able to form a larger range of diameters with only one die, the die consists of the US-A-3,433,043 previously known device of a number of adjoining slats, which are arranged to adjust the shape of the inner channel on the diameter of the tubular element adjustable and with the aid of flat bars, which act on the outboard slats, can be fixed.
  • a die intended for forming a metal strip is described above. With the help of the prior art forming die only tubes with a constant cross section in a continuous Process be prepared.
  • the inventive solution to this problem is in the device of the type mentioned in particular that the device has a welding machine for longitudinal seam welding and that the clamping jaws are pressed by at least one pressure roller against the pipe blank, which pressure rollers pressurize the pressure plates on their side facing away from the landing side narrow side ,
  • the device according to the invention has a tensioning device, the clamping jaws of which are arranged on opposite sides of the tube blank in each case have a plate packet on the flat side of abutting pressure plates. These plate packages are adapted to the outer contour of the pipe blank in a landing area such that the pressure plates lie there on the narrow side of the pipe blank.
  • the tensioning device of the device according to the invention with its plate packages formed from a plurality of pressure plates, ensures that the sides to be welded together, even of a contoured tube blank, rest uniformly against one another over the entire longitudinal extent.
  • the clamping jaws are pressed by means of at least one pressure roller against the pipe blank, wherein the pressure rollers act on the pressure plates on their side facing away from the landing narrow side.
  • the pressure plates each have a plate thickness which approximately corresponds to the width of the pipe material softened by the welding point of the welding machine.
  • the pressure plates are each formed from a sheet metal blank.
  • the plate packages formed from a plurality of Andschreibplatten can be easily and quickly move relative to the pipe blank when the jaws each have a clamping bar on which the clamping jaw associated plate package is held.
  • a preferred embodiment according to the invention provides that the clamping strips of the opposing clamping jaws define the weld therebetween.
  • the pressure rollers are pressed respectively by means of a two-armed toggle lever against the clamping jaws, facing away from the pressure roller arm end of a pressure cylinder or the like pressure transducer.
  • FIGS. 1 to 3 is a device 1 for producing pipes made of thin-walled material, in particular of sheets, shown in different views.
  • the device 1 has a butt seam welding machine, not shown here, for longitudinal seam welding and a clamping device 2, which is intended to hold a tubular preformed material blank 3 in the welding position.
  • the clamping device 2 has arranged on opposite sides of the pipe blank 3 clamping jaws 4, which are pressed against the pipe blank 3.
  • the clamping jaws 4 each have a plate package on flat side abutting pressure plates 5, which rest in a landing area 6 narrow side of the pipe blank 3.
  • the plate packages are adapted in this application area 6 to the contoured outer contour of the outer blank over its longitudinal extent different diameter tube blank 3.
  • the clamping jaws 4 can each be pressed against the tube blank 3 by means of a pressure roller 9.
  • the axes 10 of the opposing sides of the pipe blank 3 in pairs mutually associated pressure rollers 9 are arranged in a transverse to the longitudinal extent of the pipe blank 3 and extending through the welding point of the welding machine level, in FIGS. 2 and 3 is indicated by the line L.
  • the pressure plates 5 are pressurized on their side facing away from the landing area 6 narrow side of the pressure rollers 9. The pressure rollers 9 thus transfer their radially acting pressure force in each case to those pressure plates 5, which lie in the plane L of the welding point of the welding machine.
  • the plate packages are not shown here Way each held on mutually associated massive clamping strips 11.
  • the on opposite sides of the Rohrzutechnisches 3 pairs associated clamping bars 11 define between them the longitudinal weld 12th
  • the pressure plates 5 have a joint-shaped formation 13, with which the pressure plates 5 are threaded in a complementary shaped joint pan-shaped recess in the associated tensioning strip 11.
  • This connection between the plate-forming a pressure plate 5 on the one hand and the associated clamping bar 11 on the other hand forms an axisless hinge fourteenth

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Claims (6)

  1. Dispositif (1) pour la fabrication de tubes en matériau à paroi mince, en particulier en tôles, avec un dispositif de serrage (2) qui possède des mors de serrage (4) disposés sur des côtés opposés du flan de tube (3) et pouvant être pressés contre le flan de tube (3), pour maintenir en position de soudage un flan de tube (3) préformé sous une forme tubulaire, ces mors de serrage (4) présentant chacun un groupe de plaques de pression (5) appliquées les unes contre les autres, plaques (5) qui, dans une région d'application (6), s'appliquent par leur côté étroit contre le flan de tube (3), et qui peuvent être pressées contre le flan de tube (3), sachant que les groupes de plaques sont, dans la région d'application (6), adaptés au contour extérieur du flan de tube (3), caractérisé en ce que le dispositif (1) possède une soudeuse pour le soudage à joint longitudinal, et en ce que les mors de serrage (4) peuvent être respectivement pressés contre le flan de tube (3) au moyen d'au moins un galet presseur (9), les galets presseurs (9) sollicitant en pression les plaques de pression (5) sur leur côté étroit opposé à la région d'application (6).
  2. Dispositif selon la revendication 1, caractérisé en ce que les plaques de pression présentent chacune une épaisseur de plaque qui correspond approximativement à la largeur du matériau du tube ponctuellement ramolli par les points de soudure de la soudeuse.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les plaques de pression (5) sont chacune formées à partir d'un flan de tôle.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que les mors de serrage (4) présentent chacun une barre de serrage (11) sur laquelle est maintenu le groupe de plaques associé à ce mors de serrage (4).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que les barres de serrage (11) des mors de serrage opposés (4) délimitent entre elles le joint de soudure (12).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que les galets presseurs (9) peuvent être respectivement pressés contre les mors de serrage (4) au moyen d'un levier à genouillère (17) à deux bras, un cylindre de pression (18) ou un transmetteur de pression analogue agissant à l'extrémité du bras de ce levier qui est opposée au galet presseur (9).
EP05015706A 2004-08-14 2005-07-20 Dispositif pour la fabrication de tubes Active EP1625898B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004039577A DE102004039577B3 (de) 2004-08-14 2004-08-14 Vorrichtung zum Herstellen von Rohren

Publications (2)

Publication Number Publication Date
EP1625898A1 EP1625898A1 (fr) 2006-02-15
EP1625898B1 true EP1625898B1 (fr) 2010-02-24

Family

ID=35149148

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05015706A Active EP1625898B1 (fr) 2004-08-14 2005-07-20 Dispositif pour la fabrication de tubes

Country Status (4)

Country Link
US (1) US7293687B2 (fr)
EP (1) EP1625898B1 (fr)
AT (1) ATE458561T1 (fr)
DE (2) DE102004039577B3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007018387B4 (de) * 2007-04-17 2014-09-04 Weil Engineering Gmbh Durchlaufschweißmaschine zum Verschweißen eines Rohrrohlings
DE102007025043B4 (de) 2007-05-29 2016-02-18 Schnelldorfer Maschinenbau Gmbh Vorrichtung zum Herstellen von Rohren aus dünnwandigem Material
WO2017029535A1 (fr) * 2015-08-19 2017-02-23 Envases Universales De Mexico Sapl De Cv Récipient d'aérosol métallique et procédé de fabrication
WO2019095098A1 (fr) * 2017-11-14 2019-05-23 四川桑莱特智能电气设备股份有限公司 Dispositif de soudage exothermique et procédé de soudage exothermique
CN108145372B (zh) * 2018-02-12 2024-04-12 宁波麦特汽配科技有限公司 一种进气管螺丝焊接工装

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US557479A (en) * 1896-03-31 Draw bench for manufacturing pipe
US635822A (en) * 1898-02-17 1899-10-31 Carl Twer Pipe-welding apparatus.
US1293486A (en) * 1913-10-31 1919-02-04 Elyria Iron & Steel Company Welding device.
US1124764A (en) * 1913-12-01 1915-01-12 Elyria Iron & Steel Company Tube-welding mechanism.
US1493643A (en) * 1916-03-24 1924-05-13 Flue Welder Corp Apparatus and process for welding tubular bodies
US1252821A (en) * 1917-07-14 1918-01-08 Fisk Rubber Co Adjustable die.
US1341840A (en) * 1917-11-28 1920-06-01 Davis Bournonville Co Autogenous-flame-welding machine
US1989486A (en) * 1930-11-10 1935-01-29 Frederick C Matthaei Apparatus for welding
DE593622C (de) 1933-03-19 1934-03-02 Hermann Lehmann Vorrichtung zur Herstellung von konischen Rohren
US2486494A (en) * 1945-04-17 1949-11-01 William A Rice Vise for holding irregularly shaped objects
NL6413984A (fr) 1964-12-02 1966-06-03
DE1924412U (de) * 1965-07-06 1965-09-30 Mannesmann Ag Fuehrungs-bzw. stuetzvorrichtung zur verwendung bei der herstellung von laengsnahtgeschweissten rohren.
GB1217507A (en) * 1967-12-13 1970-12-31 Herbert Witzenmann Method and device for the continuous manufacture of thin-walled tubes of any length desired
US3521604A (en) * 1968-01-29 1970-07-28 Smith Corp A O Vessel having a foam polyurethane outer layer
GB1297056A (fr) 1969-03-12 1972-11-22
DE1912394C3 (de) * 1969-03-12 1983-01-05 Benteler-Werke Ag Werk Neuhaus, 4790 Paderborn Schweißvorrichtung für das Verschweißen des längsgerichteten Schweißspaltes schlitzrohrartig geformter Hohlkörper, insbesondere konischer Masten
GB1410883A (en) * 1973-04-10 1975-10-22 Benteler Werke Ag Welding machine for the longitudinal butt-welding of hollow bodies in the form of split tubes for example tapering masts
CH669921A5 (fr) * 1986-04-22 1989-04-28 Elpatronic Ag
DE4432674C1 (de) 1994-09-14 1996-02-22 Weil Eng Gmbh Vorrichtung und Verfahren zum Herstellen von Rohren
DE19744309C1 (de) * 1997-10-07 1999-07-22 Thyssenkrupp Stahl Ag Vorrichtung zum Gleitziehbiegen von Bändern
DE19827798A1 (de) 1998-06-23 1999-12-30 Thyssenkrupp Stahl Ag Verfahren und Vorrichtung zum Herstellen von längsnahtgeschweißten Rohren aus ebenen Blechzuschnitten
US6382496B1 (en) * 2000-07-27 2002-05-07 Harger, Inc. Welding handle clamp
US6557600B1 (en) * 2002-02-04 2003-05-06 Infinite Reverse Profiling Hold down apparatus for commercial wood molder

Also Published As

Publication number Publication date
DE502005009072D1 (de) 2010-04-08
DE102004039577B3 (de) 2006-02-02
EP1625898A1 (fr) 2006-02-15
US20060032889A1 (en) 2006-02-16
ATE458561T1 (de) 2010-03-15
US7293687B2 (en) 2007-11-13

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