EP2752256A1 - Dispositif pour le formage d'ondulations sur un tuyau - Google Patents

Dispositif pour le formage d'ondulations sur un tuyau Download PDF

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Publication number
EP2752256A1
EP2752256A1 EP13305005.4A EP13305005A EP2752256A1 EP 2752256 A1 EP2752256 A1 EP 2752256A1 EP 13305005 A EP13305005 A EP 13305005A EP 2752256 A1 EP2752256 A1 EP 2752256A1
Authority
EP
European Patent Office
Prior art keywords
tube
shaft
shaft means
corrugation
longitudinal direction
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.)
Granted
Application number
EP13305005.4A
Other languages
German (de)
English (en)
Other versions
EP2752256B1 (fr
Inventor
Nico Lange
Christian Reiter
Holger Schulz
Christian Dr. Frohne
Michael Meyer
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 EP13305005.4A priority Critical patent/EP2752256B1/fr
Priority to RU2013158762/02A priority patent/RU2013158762A/ru
Priority to KR1020140001393A priority patent/KR20140090101A/ko
Priority to US14/147,853 priority patent/US20140305178A1/en
Priority to CN201410085385.6A priority patent/CN103909127A/zh
Publication of EP2752256A1 publication Critical patent/EP2752256A1/fr
Application granted granted Critical
Publication of EP2752256B1 publication Critical patent/EP2752256B1/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
    • 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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes
    • 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
    • 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
    • B21D15/06—Corrugating tubes transversely, e.g. helically annularly

Definitions

  • the invention relates to a device for impressing a corrugation into a smooth metal tube, which extends transversely to the longitudinal direction of the tube with circumferentially extending wave crests and troughs, which corrugation with a circulating in working position in the circumferential direction, the corrugation having generating projection, and in which in front of the shaft means a guide bush for guiding the moving in its longitudinal direction, smooth tube is mounted ( EP 1 084 774 B1 ).
  • Such a device is used for producing well bendable metal pipes; which consist for example of steel, copper or aluminum.
  • Such pipes can be used for example in the construction of electrical or optical cables or as electrical conductors of high-frequency cables or for the transport of flowable media.
  • the corrugation can be helical or annular. The degree of bendability depends essentially on the depth of the corrugation, d. H. from the radial difference between the wave crests and the troughs.
  • a tube is formed from a longitudinally-starting metal strip which is welded to a longitudinal slot.
  • the smooth tube thus obtained is then corrugated in a shaft means transverse to its longitudinal direction.
  • a Weller disk shaft means designated as a shaft bush guide bushing is mounted, whose inner diameter is almost equal to the outer diameter of the smooth tube.
  • the corrugated tube emerging from the shaft means is moved by an elongate hollow shaft connected to the shaft means and connected to an electric motor.
  • the hollow shaft surrounds the corrugated tube at a distance.
  • the invention has for its object to make the above-described device so that the dimensions of the corrugated tube can be maintained especially with a relatively deep corrugation with increased dimensional accuracy or roundness.
  • This object is according to the invention solved in that immediately behind the shaft means a support bush is arranged, which closely surrounds the shaft means in the withdrawal direction leaving corrugated pipe, without affecting the movement thereof in its longitudinal direction.
  • the arranged behind the shaft means support bush which can be kept axially short, provides for the pipe already during the Wellvorgangs, in which the same is significantly burdened in the radial direction, a kind of fixed point.
  • the support sleeve ensures that the tube already at the waves, but especially after leaving the shaft means in the radial direction can not get out of its desired central position.
  • the shaft leaving the device and moved in the withdrawal direction tube has characterized over its entire length a uniform or constant curl and equally uniform or consistent dimensions. Because of the very precise guidance of the tube through the support sleeve during and after the waves, thin-walled tubes can be corrugated with particular advantage and it is also possible to produce a deeper corrugation, which is of importance for highly flexible tubes.
  • the tightly fitting to the corrugated tube support bush has the further advantage that the mounted in front of the shaft guide bushing does not have to be tight against the smooth tube, but as a pure guide element quite well over the outer diameter of the smooth tube larger inside width can have.
  • a smooth tube 1 made of metal to be provided with a transverse to its longitudinal direction corrugation is irrelevant here. It may for example consist of steel or copper or aluminum.
  • the corrugation to be generated in a shaft device 2 can be annular or helical.
  • the tube 1 is moved, for example, by means of an only schematically indicated withdrawal device 3 in the direction of the arrow 4 and thereby pushed in the illustrated embodiment by the shaft means 2. Seen in the withdrawal direction, a guide bush 5 is arranged in front of the shaft device 2, through which the smooth tube 1 is passed. The emerging in the withdrawal direction from the shaft means 2, corrugated tube 6 is guided by a support sleeve 7, which is arranged immediately behind the shaft means 2. The corrugated tube 6 can be wound on a spool 8.
  • the shaft device 2 used in the device is known in principle. Therefore, only the parts necessary for understanding the invention will be explained.
  • To the shaft means 2 includes a corrugated head 9, which is designed as an annular disk with a central opening.
  • a Welleremia 10 is rotatably mounted, for example by means of a ball bearing 11.
  • the Welleremia 10 has a radially inwardly facing projection 12 through which the corrugation is pressed into the smooth tube 1 during operation of the device.
  • the Wellerlism 10 is corresponding Fig. 2 arranged eccentrically to the axis A of the tube 1 and the corrugated tube 6.
  • the axes of Weller disk 10 and pipe 1 and 6 thus run at a distance parallel to each other.
  • the corrugated head 9 and the same entrained Welleremia 10 in Circumferentially turned around the tube 1.
  • the projection 12 of the Wellerusion 10 presses the corrugation in the tube 1, which is pushed simultaneously in the direction of the arrow 4 by the shaft means 2.
  • the support bushing 7 is disposed immediately adjacent to or in the withdrawal direction behind the shaft means 2, centric to the axis A of the tube 1 and 6, for example, they can also be connected to the corrugated head 9, either fixed so that they with the same is rotated, or rotatable about a bearing so that it is not rotated with the shaft head 9.
  • the support sleeve 7 may also be attached without attachment to the corrugated head 9. It may for example consist of a plastic, such as polyethylene or polyamide, or of metal, such as a bronze alloy.
  • the support sleeve 7 surrounds the corrugated tube 6 as closely as possible, but without so tightly abut the same that the movement of the corrugated tube 6 is impaired in its longitudinal direction. It is for the corrugated tube 6 already during the corrugating process a kind of fixed point, because it is held during the shafting and also thereafter by the support sleeve 7 in a central position. Because of this function of the support sleeve 7, the guide bushing 5 no longer needs to be tight against the smooth tube 1. Is in Fig. 2 indicated by an air gap between the tube 1 and guide bush 5. The guide bush 5 does not rotate with the shaft device 2. It is accordingly supported via a pivot bearing 13 relative to the same.
  • the support bush 7 is advantageously made relatively short in the axial direction. It may, for example, have a width which, in the case of an annular corrugation, corresponds approximately to the distance of two successive wave crests or, in the case of a helical corrugation, to approximately twice the wave pitch.
EP13305005.4A 2013-01-07 2013-01-07 Dispositif pour le formage d'ondulations sur un tuyau Not-in-force EP2752256B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP13305005.4A EP2752256B1 (fr) 2013-01-07 2013-01-07 Dispositif pour le formage d'ondulations sur un tuyau
RU2013158762/02A RU2013158762A (ru) 2013-01-07 2013-12-27 Устройство для гофрирования трубы
KR1020140001393A KR20140090101A (ko) 2013-01-07 2014-01-06 파이프의 파형 성형 장치
US14/147,853 US20140305178A1 (en) 2013-01-07 2014-01-06 Device for undulating a pipe
CN201410085385.6A CN103909127A (zh) 2013-01-07 2014-01-07 用于制造管材波纹的设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13305005.4A EP2752256B1 (fr) 2013-01-07 2013-01-07 Dispositif pour le formage d'ondulations sur un tuyau

Publications (2)

Publication Number Publication Date
EP2752256A1 true EP2752256A1 (fr) 2014-07-09
EP2752256B1 EP2752256B1 (fr) 2016-06-15

Family

ID=47563328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13305005.4A Not-in-force EP2752256B1 (fr) 2013-01-07 2013-01-07 Dispositif pour le formage d'ondulations sur un tuyau

Country Status (5)

Country Link
US (1) US20140305178A1 (fr)
EP (1) EP2752256B1 (fr)
KR (1) KR20140090101A (fr)
CN (1) CN103909127A (fr)
RU (1) RU2013158762A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106328314A (zh) * 2016-09-13 2017-01-11 芜湖市旭辉电工新材料有限责任公司 一种伴热电缆交联聚烯烃绝缘层挤包工艺

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106122659B (zh) * 2016-08-19 2017-12-15 李中来 周向波纹管的加工设备与加工方法
CN109967590B (zh) * 2017-12-27 2020-08-11 航天海鹰(哈尔滨)钛业有限公司 一种钛合金u型波纹管差温连续成形方法
CN108480442A (zh) * 2018-05-25 2018-09-04 长园电力技术有限公司 一种电缆金属波纹管的恢复装置
CN112091027B (zh) * 2020-09-04 2021-04-16 航天晨光股份有限公司 一种定尺寸长度的无缝薄壁波纹管滚压成型机

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086314B (de) * 1954-02-01 1960-08-04 Pirelli General Cable Works Vorrichtung zum Wellen des Mantels eines elektrischen Kabels
FR1321153A (fr) * 1961-05-17 1963-03-15 Hackethal Draht & Kabelwerk Ag Machine pour la fabrication continue de gaines ondulées à parois minces
US3387477A (en) * 1965-11-29 1968-06-11 Price Pfister Brass Mfg Apparatus and method for roll forming flexible tubing
JPS62114731A (ja) * 1985-11-13 1987-05-26 コンパニ・アンデユストリエル・ダプリカシオン・テルミツク・セ・イ・ア・テ コルゲ−トパイプ製造装置
DE4137275A1 (de) * 1991-11-13 1993-05-19 Kabelmetal Electro Gmbh Verfahren zur kontinuierlichen herstellung schraubenlinien- oder ringfoermig gewellter metallrohre
EP1084774B1 (fr) 2000-01-28 2003-04-02 Nexans Procédé de fabrication continue d'un tube de métal soudé longitudinalement et ondulé er dispositif pour la mise en oeuvre de ce procédé

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE758710A (fr) * 1969-11-27 1971-04-16 Pirelli General Cable Works Appareil pour former des ondulations dans un tube metallique tel qu'une gaine de cable electrique.
US3796078A (en) * 1972-10-30 1974-03-12 Torrington Co Apparatus for making spiral corrugations
ATE248037T1 (de) * 2000-08-17 2003-09-15 Nexans Vorrichtung zur herstellung ringförming gewellter metallrohre
CN201500708U (zh) * 2009-09-03 2010-06-09 北京宝凯金属软管有限公司 金属波纹管生产装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086314B (de) * 1954-02-01 1960-08-04 Pirelli General Cable Works Vorrichtung zum Wellen des Mantels eines elektrischen Kabels
FR1321153A (fr) * 1961-05-17 1963-03-15 Hackethal Draht & Kabelwerk Ag Machine pour la fabrication continue de gaines ondulées à parois minces
US3387477A (en) * 1965-11-29 1968-06-11 Price Pfister Brass Mfg Apparatus and method for roll forming flexible tubing
JPS62114731A (ja) * 1985-11-13 1987-05-26 コンパニ・アンデユストリエル・ダプリカシオン・テルミツク・セ・イ・ア・テ コルゲ−トパイプ製造装置
DE4137275A1 (de) * 1991-11-13 1993-05-19 Kabelmetal Electro Gmbh Verfahren zur kontinuierlichen herstellung schraubenlinien- oder ringfoermig gewellter metallrohre
EP1084774B1 (fr) 2000-01-28 2003-04-02 Nexans Procédé de fabrication continue d'un tube de métal soudé longitudinalement et ondulé er dispositif pour la mise en oeuvre de ce procédé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106328314A (zh) * 2016-09-13 2017-01-11 芜湖市旭辉电工新材料有限责任公司 一种伴热电缆交联聚烯烃绝缘层挤包工艺

Also Published As

Publication number Publication date
RU2013158762A (ru) 2015-07-10
EP2752256B1 (fr) 2016-06-15
KR20140090101A (ko) 2014-07-16
CN103909127A (zh) 2014-07-09
US20140305178A1 (en) 2014-10-16

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