EP2329896B1 - Dispositif d'enroulement continu d'un tuyau métallique - Google Patents

Dispositif d'enroulement continu d'un tuyau métallique Download PDF

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Publication number
EP2329896B1
EP2329896B1 EP09306178A EP09306178A EP2329896B1 EP 2329896 B1 EP2329896 B1 EP 2329896B1 EP 09306178 A EP09306178 A EP 09306178A EP 09306178 A EP09306178 A EP 09306178A EP 2329896 B1 EP2329896 B1 EP 2329896B1
Authority
EP
European Patent Office
Prior art keywords
hollow shaft
tube
tool holder
permanent magnet
corrugation
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
EP09306178A
Other languages
German (de)
English (en)
Other versions
EP2329896A1 (fr
Inventor
Wilhelm Unger
Volker Zummach
Claus Friedrich Theune
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.)
Nexans SA
Original Assignee
Nexans SA
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 Nexans SA filed Critical Nexans SA
Priority to AT09306178T priority Critical patent/ATE544537T1/de
Priority to EP09306178A priority patent/EP2329896B1/fr
Priority to US12/956,078 priority patent/US8631672B2/en
Priority to KR1020100123094A priority patent/KR20110063385A/ko
Priority to CN201010625186.1A priority patent/CN102179436B/zh
Publication of EP2329896A1 publication Critical patent/EP2329896A1/fr
Application granted granted Critical
Publication of EP2329896B1 publication Critical patent/EP2329896B1/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
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically

Definitions

  • the invention relates to a device for continuously corrugating a metallic tube, which rotates about a first smooth tube around rotatable tool holder with a off-center mounted to the pipe tool that presses during operation of the device a transverse to the longitudinal direction of the tube curl in the same, and a withdrawal device for moving the tube in its longitudinal direction, wherein at the tool holder in the withdrawal direction of the same projecting first hollow shaft is fixed, which encloses the tube after the corrugation and is rotatable together with the tool holder by an electric motor about its axis, and in which the unit from tool holder and first hollow shaft is displaceably mounted in the axial direction ( EP 1 084 774 B1 ).
  • Such tubes are on the one hand well bendable because of the corrugation and on the other hand stable against radially acting on them Krissern. They can be used to transport fluid media, but can also be used as coats or conductors for electrical and / or optical cables. As the protection of a cable core serving coat a corresponding tube made of steel. As a conductor, it is used with advantage in high-frequency cables. It then consists with advantage of copper.
  • the first hollow shaft fastened to the tool holder simultaneously forms the rotor of the driving electric motor, the stator of which is attached to the structures of the device.
  • the first hollow shaft is rotated as part of the electric motor about its axis.
  • She takes with her firmly connected tool holder, whose tool the curl in the continuous in his Axial direction through the tool holder through moving tube pushes.
  • the tool holder with connected hollow shaft and the stator of the electric motor are combined in this known device into a unit which is movably mounted in the axial direction.
  • the weight of the unit described is relatively high, so that a relatively high effort is required for easy displacement of the same.
  • the invention has for its object to make the above-described device easier and easier, with higher speeds should be achievable for the rotation of the tool holder.
  • the driving electric motor on the one hand and the unit to be rotated about its axis of tool holder and connected first hollow shaft on the other hand are mechanically decoupled.
  • the driving electric motor can be firmly and immovably mounted in the device. Possible axial movements of tool holder and first hollow shaft are compensated without repercussions on the electric motor by the arranged between the first hollow shaft and the second hollow shaft magnetic coupling. Since fewer parts are to be moved and the storage of the first hollow shaft is moved together with the same, higher-speed bearings can be used. Thereby, the rotational speed of the first hollow shaft can be increased together with the tool holder.
  • a smooth metallic tube for the corrugated process dos can be made of steel, copper or aluminum, for example. How the pipe was made is of secondary importance. It may for example be formed from a metal strip to a slot tube, the longitudinal slot extending is closed by welding, as for example in the aforementioned EP 1 084 774 B1 is described.
  • a smooth tube 1 is moved in the direction of the arrow 3 in its longitudinal direction by means of a deduction indicated only by a box 2 and thereby moved by a device 4, in which a transverse to the longitudinal direction of the smooth tube 1 corrugation is pressed into the same.
  • the corrugated tube 5 emerging from the device 4 and moved by the discharge device 2 can be wound onto a spool 6.
  • a trigger device 2 any known trigger device can be used, for example, a caterpillar take-off or a collet trigger, as in the above-mentioned EP 1 084 774 B 1 is described.
  • the corrugation of the tube 5 may be helical or annular.
  • the structure of the device 4 is in an enlarged view, for example Fig. 2 out:
  • the device 4 has a frame 7, which is displaceable for example by means of a not shown with cylindrical roller or linear guide within a frame 8 in the direction of the double arrow 9.
  • a frame 7 On the frame 7, two bearings 10 and 11 are mounted, which are designed for example as a rolling bearing.
  • a first hollow shaft 12 At the two positions 10 and 1, a first hollow shaft 12 is rotatably mounted about its axis.
  • the first hollow shaft 12 is fixedly connected at its one axial end to a tool holder 13, which has an eccentrically mounted to the tube 1 tool 14, which presses a corrugation in the tube 1 during operation of the device in a continuous flow.
  • a tool holder 13 which has an eccentrically mounted to the tube 1 tool 14, which presses a corrugation in the tube 1 during operation of the device in a continuous flow.
  • the withdrawal direction (arrow 3 in Fig. 1 ) is behind the tool 14, the corrugated tube 5 before.
  • the corrugation possibly occurring tolerances are compensated by the axial mobility of the frame 7, with which only the first hollow shaft 12 and the tool holder 13 are moved together.
  • a same surrounding first, annular permanent magnet 15 is fixedly mounted.
  • a second hollow shaft 16 is arranged, which is mounted concentrically to the first hollow shaft 12 about its axis rotatable.
  • two bearing points 17 and 18 are mounted on the frame 8 of the device 4, which may be performed again as a rolling bearing.
  • a second, annular permanent magnet 19 is fixed within the second hollow shaft 16, which surrounds the first permanent magnet 15 all around and is separated in the mounting position by an air gap 20 thereof.
  • Fig. 3 schematically shows a section through the magnetic coupling formed by the permanent magnets 15 and 19.
  • the second hollow shaft 16 is connected for example by means of a V-belt with an electric motor, not shown, through which it is rotated during the operation of the device 4 about its axis.
  • the rotating about its axis second hollow shaft 16 takes over the magnetic sleeve formed by the two permanent magnets 15 and 19 with the first hollow shaft 12, which together with the tool holder 13 with the same number of revolutions as the second hollow shaft 16 about its axis and thus to the smooth Tube 1 is rotated.
  • the electric motor driving the two hollow shafts 12 and 16 is mechanically decoupled from the first hollow shaft 12 and thus from the tool holder 13 by the magnetic coupling.
  • the possible by the movably mounted frame 7 axial movements of the first hollow shaft 12 including tool holder 13 are therefore not transmitted to the second hollow shaft 16 and the electric motor.
  • the two permanent magnets 15 and 19 are advantageously different in width in the axial direction, so that their position relative to each other is stable. But they also build in the only small, required for displacement of the first hollow shaft 12 area practically no forces acting in the axial direction, so that the axial mobility of the first hollow shaft 12 is not hindered.
  • the first permanent magnet 15 in the axial direction is shorter or narrower than the second permanent magnet 19. However, it could also be the first permanent magnet 15 wider than the second permanent magnet 19 executed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Press Drives And Press Lines (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Winding Of Webs (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Claims (2)

  1. Dispositif pour l'ondulation continue d'un tube métallique (1), qui présente un logement d'outil (13) pouvant tourner autour du tube (1) initiale ment lisse avec un outil (14) monté de façon décentrée par rapport au tube (1) qui, pendant le fonctionnement du dispositif, imprime dans ce tube une ondulation s'étendant transversalement à la direction longitudinale du tube (1) et un dispositif d'extraction pour déplacer le tube (1) dans sa direction longitudinale, dans lequel un premier arbre creux saillant du logement d'outil dans la direction d'extraction est fixé au logement d'outil (13) et entoure le tube (1) après l'opération d'ondulation et peut tourner autour de son axe en même temps que le logement d'outil (13) au moyen d'un moteurélectrique, et dans lequel l'unité composée du logement d'outil (13) et du premier arbre creux est montée de façon déplaçable en direction axiale, caractérisé en ce que
    - un deuxième arbre creux (16) est disposé autourde l'extrémité du premier arbre creux (12) située à l'opposé du logement d'outil (13), coaxialement et à distance de celui-ci, qui est monté de façon rotative autour de son axe et peut être entraîné parle moteur électrique, et
    - un accouplement magnétique, composé de deux aimants permanents annulaires disposés concentriquement l'un à l'autre, un premier aimant permanent (15) et un deuxième aimant permanent (19), est disposé entre le premier arbre creux (12) et le deuxième arbre creux (16) pour la transmission de force, aimants permanents qui sont espacés l'un de l'autre par un entrefer et dont le premier aimant permanent (15) est fixé extérieurement sur le premier arbre creux (12) et le deuxième aimant permanent (19) est fixé intérieurement sur le deuxième arbre creux(16).
  2. Dispositif selon la revendication 1, caractérisé en ce que les deux aimants permanents (15, 19) présentent une largeur différente en direction axiale.
EP09306178A 2009-12-04 2009-12-04 Dispositif d'enroulement continu d'un tuyau métallique Not-in-force EP2329896B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT09306178T ATE544537T1 (de) 2009-12-04 2009-12-04 Vorrichtung zum kontinuierlichen wellen eines metallischen rohres
EP09306178A EP2329896B1 (fr) 2009-12-04 2009-12-04 Dispositif d'enroulement continu d'un tuyau métallique
US12/956,078 US8631672B2 (en) 2009-12-04 2010-11-30 Apparatus for continuous corrugation of a metallic tube
KR1020100123094A KR20110063385A (ko) 2009-12-04 2010-12-03 금속 파이프의 연속 파형 형성 장치
CN201010625186.1A CN102179436B (zh) 2009-12-04 2010-12-06 用于金属管连续波纹成形的设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09306178A EP2329896B1 (fr) 2009-12-04 2009-12-04 Dispositif d'enroulement continu d'un tuyau métallique

Publications (2)

Publication Number Publication Date
EP2329896A1 EP2329896A1 (fr) 2011-06-08
EP2329896B1 true EP2329896B1 (fr) 2012-02-08

Family

ID=42173472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09306178A Not-in-force EP2329896B1 (fr) 2009-12-04 2009-12-04 Dispositif d'enroulement continu d'un tuyau métallique

Country Status (5)

Country Link
US (1) US8631672B2 (fr)
EP (1) EP2329896B1 (fr)
KR (1) KR20110063385A (fr)
CN (1) CN102179436B (fr)
AT (1) ATE544537T1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056207A (zh) * 2013-01-17 2013-04-24 沈阳汇博热能设备有限公司 大直径多层金属波纹管成形模及其制造方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2821157A1 (fr) * 2013-07-04 2015-01-07 Nexans Dispositif et procédé d'impression d'une ondulation dans un tube

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1652990B1 (de) * 1961-05-17 1969-10-02 Kabel Metallwerke Ghh Einrichtung zum kontinuierlichen Wellen duennwandiger,insbesondere laengsnahtgeschweisster Glattrohre
FR1321153A (fr) * 1961-05-17 1963-03-15 Hackethal Draht & Kabelwerk Ag Machine pour la fabrication continue de gaines ondulées à parois minces
GB1097709A (en) * 1965-10-27 1968-01-03 Pirelli General Cable Works Improvements in or relating to apparatus for deforming tubing
FR2514250A1 (fr) * 1981-10-08 1983-04-15 Artus Piece a main a moteur integre
FR2569357B1 (fr) * 1984-08-24 1989-01-20 Kabelmetal Electro Gmbh Procede et dispositif pour onduler des tubes metalliques et cable d'energie electrique fabrique selon le procede
DE4137275A1 (de) * 1991-11-13 1993-05-19 Kabelmetal Electro Gmbh Verfahren zur kontinuierlichen herstellung schraubenlinien- oder ringfoermig gewellter metallrohre
ATE235974T1 (de) 2000-01-28 2003-04-15 Nexans Verfahren zur kontinuierlichen herstellung längsnahtgeschweisster und gewellter metallrohre und vorrichtung zur durchführung des verfahrens
DE10126399A1 (de) * 2001-05-31 2002-12-05 Nexans France S A Vorrichtung zur kontinuierlichen Herstellung eines schraubenlinienförmig gewellten Metallrohres
CN100389533C (zh) * 2004-12-30 2008-05-21 山东大学 一种双转子永磁电机
JP2007333109A (ja) * 2006-06-15 2007-12-27 Toyota Industries Corp 動力伝達機構

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056207A (zh) * 2013-01-17 2013-04-24 沈阳汇博热能设备有限公司 大直径多层金属波纹管成形模及其制造方法
CN103056207B (zh) * 2013-01-17 2015-05-20 沈阳汇博热能设备有限公司 大直径多层金属波纹管成形模及其制造方法

Also Published As

Publication number Publication date
ATE544537T1 (de) 2012-02-15
KR20110063385A (ko) 2011-06-10
US8631672B2 (en) 2014-01-21
CN102179436B (zh) 2015-03-25
US20110132053A1 (en) 2011-06-09
CN102179436A (zh) 2011-09-14
EP2329896A1 (fr) 2011-06-08

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