EP1308222B1 - Dispositif de soudage pour tubes - Google Patents

Dispositif de soudage pour tubes Download PDF

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Publication number
EP1308222B1
EP1308222B1 EP02020730A EP02020730A EP1308222B1 EP 1308222 B1 EP1308222 B1 EP 1308222B1 EP 02020730 A EP02020730 A EP 02020730A EP 02020730 A EP02020730 A EP 02020730A EP 1308222 B1 EP1308222 B1 EP 1308222B1
Authority
EP
European Patent Office
Prior art keywords
carriage
pipe
pressure roller
welding apparatus
tube
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
EP02020730A
Other languages
German (de)
English (en)
Other versions
EP1308222A2 (fr
EP1308222A3 (fr
Inventor
Bernhard Heimann
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.)
SMS Group GmbH
Original Assignee
SMS Meer 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 SMS Meer GmbH filed Critical SMS Meer GmbH
Publication of EP1308222A2 publication Critical patent/EP1308222A2/fr
Publication of EP1308222A3 publication Critical patent/EP1308222A3/fr
Application granted granted Critical
Publication of EP1308222B1 publication Critical patent/EP1308222B1/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 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

Definitions

  • the invention relates to a pipe welding apparatus, with the features specified in the preamble of the independent claim, as by the JP 60231526 A known.
  • a large part of the existing metal pipes is produced by continuous longitudinal seam welding.
  • a tape is unwound from a coil, formed in several roll stands to a round slotted tube and welded.
  • the strip edges are heated to welding temperature and compressed in a welding roll stand so that they weld together.
  • the welding roll stand has to meet a number of requirements for producing a high quality pipe.
  • the pipe itself must be guided very precisely to prevent deviations from the ideal pipe axis. Even a small deviation can cause a displacement of the strip edges in the region of the weld zone, which leads to significant quality losses.
  • the strip edges may only be compressed so far, ie compressed, that only a minimum amount of material is forced out of the weld. If this quantity is too large, the result is a correspondingly high loss of material, because the resulting so-called burr on the weld must be removed again in a further work step. on the other hand It must be ensured that the weld seam is produced precisely over the entire cross-section without any defects and that the material is welded through.
  • a pipe welding apparatus of the type mentioned above therefore has to have a variety of options for setting and guiding the pressure rollers for producing a tube of high quality.
  • the DE 32 12 365 C2 discloses an arrangement of three rollers with which the tube formed from the metal strip is guided almost over the entire circumference.
  • the lower two rollers are inclined here, the upper roller is formed divided.
  • the resulting from the upper roller two rolling discs can be pivoted to each other by an adjustable angle.
  • the width of the center groove between the two discs of the upper roller can be adjusted continuously in dependence on the wall thickness of the molded tube.
  • the above requirements can not be fully satisfied even with such an arrangement.
  • the welding roller frame has two horizontally arranged lateral pressure rollers and a Pair of upper pressure rollers on. All roller axes lie in one plane.
  • the upper pressure rollers can be moved synchronously horizontally both individually and synchronously vertically and / or in the same direction and in opposite directions, in order to bring the upper pressure rollers into the required position.
  • the upper pressure rollers are mounted for this purpose in carriages with vertical and horizontal guides, and the adjustment is carried out by threaded spindles.
  • the invention is therefore based on the object , a pipe welding apparatus of the type mentioned so that the above requirements for the production of longitudinal seam tubes can be met with high quality.
  • first carriage and the second carriage is associated with at least one horizontal guide and at least one vertical guide. This results in a simple construction for horizontal and vertical movement of both carriages.
  • the movement of the carriage is carried out with linear actuators, for vertical adjustment of the first carriage with advantage two parallel threaded spindle nut systems are provided, whereby a tilt-free guidance of large elements is ensured, which is driven by two gear, the be driven by a common motor. It can be arranged between the two transmissions, preferably worm gear, a clutch.
  • adjustment and locking means can be provided with which the respective elements can be adjusted to each other in position and set.
  • This configuration is preferably provided only between the first carriage and the second carriage, wherein the adjustment and locking the two carriages in the vertical direction to each other set in position and set.
  • a position adjusting and locking means is suitable e.g. an adjustable wedge; this can be connected to displacement means, so that a simple positioning of the wedge is possible.
  • the displacement means may have a screw.
  • FIGURE schematically shows a tube welding device with a view in the direction of the longitudinal axis of the manufactured tube.
  • a pipe 2 has been formed from a flat sheet metal strip, resulting in a seam 4 on the tube 2, which is welded to the device 1.
  • the tube 2 runs continuously in the direction of the longitudinal axis 3 of the tube 2 through the device 1.
  • the pipe welding device 1 has a base plate 5, which is arranged stationary. On the base plate 5, a first carriage 6 is arranged. This is about two horizontal linear guides 16 and two vertical linear guides 17 in two mutually orthogonal directions (horizontal and vertical) relative to the base plate 5 movable.
  • linear movement elements are provided, namely a threaded nut-nut system 20 for the horizontal displacement of the first carriage 6 relative to the base plate 5 and a threaded nut-nut system 21 for the corresponding vertical displacement.
  • linear actuators 20, 21 are shown only very schematically, because this is well-known in the art elements. Only with respect to the threaded spindle nut system 21 is sketched somewhat more detailed that here two parallel threaded spindles 21 are provided which move the carriage 6 relative to the base plate 5 vertically. Tilting of the first carriage 6 is thereby avoided.
  • the drive of the spindles 21 takes place by two gear 24 and 25, which are connected to each other via a coupling 26.
  • the drive itself is done by a motor 23 which drives both gears 24 and 25.
  • a first pressure roller 7 is arranged in the lower region of the first carriage 6, a first pressure roller 7 is arranged. Their axis 10 is arranged rotated relative to the horizontal by a pivot angle ⁇ . Thus, the first pressure roller 7 rolls in the region of the seam 4 of the tube 2 to the left of the seam 4 on the tube 2, whereby an accurate guidance of this angle segment of the tube 2 is ensured.
  • first carriage 6 With the first carriage 6 two horizontal guides 18 and two vertical guides 19 are connected, via which a second carriage 8 is guided relative to the first carriage 6 movable.
  • second carriage 8 On the second carriage 8 - analogous to the first pressure roller 7 - a second pressure roller 9 is arranged, which leads to the right next to the seam 4 of this adjacent angular segment of the tube 2 exactly.
  • the axis 11 of the second pressure roller 9 is pivoted mirror image to the axis 10 of the first pressure roller 7 by the angle ⁇ .
  • the movement of the second carriage 8 relative to the first carriage 6 is effected - as far as the horizontal movement is concerned - via a threaded nut-nut system 22, the same applies what was done in connection with the systems 20 and 21 above.
  • the vertical adjustment and locking of the second carriage 8 relative to the first carriage 6 by means of a wedge 27, which communicates with only very schematically sketched displacement means 28 in connection.
  • horizontal displacement of the wedge eg by means of a screw, not shown
  • the relative vertical position between the first and second slide 6 and 8 can be adjusted and locked.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (5)

  1. Dispositif de soudage de tube (1) à l'aide duquel on soude un tube (2) formé à partir d'une bande métallique mince sur la zone de soudure (4) qui en résulte, comprenant une plaque de base (5), un premier chariot (6), qui est disposé de façon mobile par rapport à la plaque de base (5), dans un plan qui est perpendiculaire à l'axe longitudinal (3) du tube (2), un premier rouleau presseur (7) guidant la bande métallique formée en tube (2) étant disposé de façon rotative sur le premier chariot, et un deuxième chariot (8) disposé de façon mobile par rapport au premier chariot (6), dans un plan qui est perpendiculaire à l'axe longitudinal (3) du tube, un deuxième rouleau presseur (9) guidant la bande métallique formée en tube (2) à proximité de la zone de soudure (4) étant disposé de façon rotative sur le deuxième chariot (6),
    caractérisé en ce que
    au moins un guidage (18) horizontal et au moins un guidage (19) vertical sont associés au premier chariot (6) et au deuxième chariot (8).
  2. Dispositif de soudage de tube selon la revendication 1,
    caractérisé en ce que, deux systèmes broche filetée/écrou (21) disposés en parallèle, dont l'entraînement est assuré par deux organes de commande (24, 25), entraînés par un moteur commun (23) sont prévus pour l'ajustage vertical du premier chariot (6) .
  3. Dispositif de soudage de tube selon la revendication 1 ou 2, caractérisé en ce que des moyens de réglage de position et de blocage (27) sont disposés entre la plaque de base (5) et le premier chariot (6) et/ou entre le premier chariot (6) et le deuxième chariot (8).
  4. Dispositif de soudage de tube selon la revendication 3, caractérisé en ce que des moyens de réglage de position et de blocage (27) qui règlent et immobilisent les deux chariots (6, 8) en direction verticale, l'un par rapport à l'autre ne sont disposés qu'entre le premier chariot (6) et le deuxième chariot (8).
  5. Dispositif de soudage de tube selon la revendication 3 ou 4, caractérisé par une cale réglable en tant que moyen de réglage et de blocage (27).
EP02020730A 2001-10-31 2002-09-14 Dispositif de soudage pour tubes Expired - Lifetime EP1308222B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10153688 2001-10-31
DE10153688A DE10153688C1 (de) 2001-10-31 2001-10-31 Rohrschweißvorrichtung

Publications (3)

Publication Number Publication Date
EP1308222A2 EP1308222A2 (fr) 2003-05-07
EP1308222A3 EP1308222A3 (fr) 2004-08-11
EP1308222B1 true EP1308222B1 (fr) 2007-08-01

Family

ID=7704299

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02020730A Expired - Lifetime EP1308222B1 (fr) 2001-10-31 2002-09-14 Dispositif de soudage pour tubes

Country Status (4)

Country Link
EP (1) EP1308222B1 (fr)
AT (1) ATE368535T1 (fr)
DE (2) DE10153688C1 (fr)
ES (1) ES2289036T3 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1289814B (fr) * 1969-02-27
DE1923241A1 (de) * 1969-05-07 1970-11-19 Demag Ag Vorrichtung zum kontinuierlichen Laengsnahtschweissen von Rohren
FR2460745A1 (fr) * 1979-07-06 1981-01-30 Egimot Bloc forgeur pour la fabrication de tubes metalliques
DE3212365C2 (de) * 1982-03-31 1984-06-07 Mannesmann AG, 4000 Düsseldorf Schweißrollenbock für das Hochfrequenzschweißen von Rohren
JPS59199113A (ja) * 1983-04-26 1984-11-12 Mitsubishi Heavy Ind Ltd スクイズロ−ル装置
JPS60231526A (ja) * 1984-05-01 1985-11-18 Nippon Steel Corp 電縫溶接管の成形方法

Also Published As

Publication number Publication date
DE50210586D1 (de) 2007-09-13
ATE368535T1 (de) 2007-08-15
EP1308222A2 (fr) 2003-05-07
DE10153688C1 (de) 2003-04-10
EP1308222A3 (fr) 2004-08-11
ES2289036T3 (es) 2008-02-01

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