EP1181994B1 - Vorrichtung zur Herstellung ringförming gewellter Metallrohre - Google Patents
Vorrichtung zur Herstellung ringförming gewellter Metallrohre Download PDFInfo
- Publication number
- EP1181994B1 EP1181994B1 EP00402299A EP00402299A EP1181994B1 EP 1181994 B1 EP1181994 B1 EP 1181994B1 EP 00402299 A EP00402299 A EP 00402299A EP 00402299 A EP00402299 A EP 00402299A EP 1181994 B1 EP1181994 B1 EP 1181994B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- pressure roller
- corrugation
- gears
- teeth
- 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
Links
Images
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
- B21D15/06—Corrugating tubes transversely, e.g. helically annularly
-
- 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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
- B21C37/205—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with annular guides
Definitions
- the invention relates to a device for producing ring-shaped corrugated metal pipes according to the preamble of claim 1.
- From CH-A-275 509 is a device for the production of corrugated pipes with a um the workpiece rotating pressure roller known, in which the corrugation by teeth the pressure roller (gear) is molded, and the pressure roller by one Longitudinal axis of the tube is rotatably supported and its axis of rotation during the generation of the corrugation even in a perpendicular to the pipe longitudinal axis Plane revolves around the pipe fed to the pressure roller, which in turn passes through its Feed rotates the pressure roller.
- three pressure rollers are preferred, which attack the pipe offset by 120 °.
- the tooth tips on the outer circumference the teeth of the pressure rollers are concavely adapted to the tube diameter formed so that the pressure rollers a self-contained deformation tool form.
- a device for producing ring-shaped corrugated is Metal pipes are known in which at least one pressure roller rotating around a smooth pipe is provided.
- the pressure roller has a variety of teeth, which the waves form into the smooth tube.
- the pressure roller is around one to the pipe length axis right-angled axis rotatable. Its axis of rotation runs around the smooth tube during the generation of the waves in a plane perpendicular to the pipe length axis.
- the driven smooth tube ensures a rotation of the Pressure roller around the axis of rotation of the pressure roller.
- the object of the present invention is to produce metal tubes with an annular corrugation, the ratio of corrugation depth W t to corrugation pitch W s being greater than 0.3.
- the wave depth W t is to be understood as the radial distance between a wave crest and the wave trough.
- the wave pitch W s is the distance between two wave crests. The extremely deep corrugation should be generated without further measures, ie during the corrugation process.
- FIGS. 1 to 7 Exemplary embodiments explained in more detail.
- Figure 1 is a side view of a system for producing a coaxial High-frequency cable shown with a ring-shaped corrugated outer conductor.
- the inner conductor 2 which is insulated with a foam layer, is removed from a supply coil 1 deducted continuously.
- a metal band M preferably a copper band, is made of withdrawn from a reel 3 and cleaned in a cleaning system 4.
- the Metal strip M is then in a forming device 5, which does not consist of several designated form steps exists to a surrounding the insulated inner conductor 2 Slotted tube shaped.
- the longitudinal slot is welded in a welding device 6.
- the inside diameter of the welded pipe is slightly larger than the outside diameter of the insulated inner conductor 2 so that the insulating layer is not caused by the welding heat is affected.
- a collet trigger 7 By means of a collet trigger 7, the welded pipe as well the insulated inner conductor 2 is transported through the system in the direction of the arrows.
- the Collet trigger 7 has a plurality of pairs of jaws 7a, which is the welded Grip the pipe in a pincer shape.
- the jaw pairs 7a are on an endless chain 7b attached,
- the corrugated device 8 is seen behind the collet trigger 7 in the direction of flow arranged in which a corrugated metal tube is produced from the smooth metal tube, whose troughs sit closely on the insulating layer and press it in a little. On in this way a coaxial radio frequency cable is obtained in which the gap between the insulating layer and the outer conductor is sealed.
- the insulated inner conductor 2 provided with the corrugated metal tube is finally opened a cable drum 9 wound up.
- a dancer arrangement 10 regulates the Pulling speed of the cable drum 9.
- a corrugated outer conductor can be used in a manner not shown Plastic outer jacket are extruded.
- the corrugated device 8 is described in more detail with reference to FIGS. 2 to 5.
- a shaft bushing 12 is fastened to a rotatable shaft head 11.
- the inner one Diameter of the guide bush 12 is approximately equal to the outer diameter of the welded smooth tube G.
- the guide bush 12 has a recess 12a, in which engages the pressure roller 13 functioning as a corrugated tool.
- the pressure roller 13 is in a bearing block 14 is freely rotatable.
- the bearing block 14 is by means of a Adjustment spindle 15, which is guided in a threaded bush 16, in the radial direction adjustable.
- the threaded bushing 16 is fixedly connected to the shaft head 11 Head plate 17 rotatably mounted. With a counterweight is designated, which for ensures a smooth run of the corrugated device 8.
- the depth of the corrugation to be introduced into the smooth tube G is determined by the Threaded spindle 15 set.
- the Pressure roller 13 When the shaft head 11 is driven in rotation, the Pressure roller 13 the smooth tube G and forms the corrugation. Since the smooth tube G a feed is given by the collet trigger 7, the pressure roller 13 is so driven that it rotates about its axis of rotation. This causes the last curl to appear generating tooth of the pressure roller 13 from the trough and the subsequent tooth penetrates into the advanced smooth tube G. In this way, with the order Pipe longitudinal axis rotating and driven about its own axis of rotation pressure roller 13 continuously produces a tube with an annular corrugation.
- FIGs 4 and 5 is a corrugated device with two opposite one another Pressure rollers 13 shown. In this way, at the same speed of circulation Wellerkopfes 11 can be achieved twice the production speed.
- FIG. 6 is intended to illustrate the principle of the new corrugation process.
- the pressure roller 13 is with respect to its axis of rotation so approached the central axis of the smooth tube that the Immerse teeth Z in the wall of smooth tube G and when rotating the Create pressure roller 13 around the central axis of the smooth tube G an annular corrugation.
- the pressure roller is turned in the direction of the arrow, so that after the completion of a wave valley, the next tooth Z into the smooth tube wall dips.
- the number of teeth Z is limited to 7-11, because only this A ratio of corrugation depth to corrugation slope of more than 0.3 can be achieved.
- tip diameter of the pressure roller between at 2.3 up to 3.5 times the shaft pitch or the shaft distance. Too small Tip circle diameter leads to a mechanically unstable pressure roller 13, whereas a too large tip circle diameter does not allow the generation of a deep corrugation. Under the diameter of the teeth Z enveloping the tip circle diameter be understood
- the heads of the teeth Z are flat, as can be seen from FIGS. 3 and 5.
- the width of the teeth Z is more than the diameter of the corrugated tube in the Area of the wave valley. This creates a particularly smooth surface in the area of Tidal wave reached.
- the fact that the teeth Z are hardened and polished, especially in the area of the tooth head. This allows the Reduce abrasion on both teeth Z and pipe.
- the flanks of the teeth Z run parallel to one another. This ensures that the Teeth Z do not touch the wave flanks when leaving the trough and thus leave no unwanted impressions.
- the height of the teeth is greater than the corrugation depth. This is particularly evident from FIG. 7. There the ratio of tooth height Z t to corrugation depth W t is greater than 1.2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Electric Cables (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Wire Processing (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Forging (AREA)
- Flexible Shafts (AREA)
Description
Claims (6)
- Vorrichtung zur Herstellung ringförmiger gewellter Metallrohre, insbesondere des Außenleiters koaxiale Hochfrequenzkabel, mittels mindestens einer um ein Glattrohr umlaufenden Druckrolle (13), wobei die Wellen durch Zähne (Z) der Druckrolle (13) in das Glattrohr (G) eingeformt werden, die um eine zur Rohrlängsachse rechtwinklige Achse drehbar gelagert ist und deren Drehachse während der Erzeugung der Wellen selbst in einer zur Rohrlängsachse senkrecht stehenden Ebene um das der Druckrolle zugeführte Glattrohr umläuft, welches seinerseits durch seinen Vorschub die Druckrolle dreht, wobei die Zahnköpfe eben ausgestaltet sind und das Rohr vor und hinter dem Eingreifen der Druckrolle (13) eng in einer Führungsbuchse (12) geführt ist, gekennzeichnet durch folgende Merkmale:a) die Anzahl der Zähne (Z) beträgt zwischen 7 und 11, vorzugsweise zwischen 8 und 10,b) der Kopfkreisdurchmesser der Druckrolle (13) bzw. Druckrollen (13) liegt zwischen dem 2,3 bis 3,5-fachen des Wellenabstandes.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Breite der Zähne gleich oder größer ist als b = Di, wobei Di der Durchmesser des Rohres im Wellental ist.
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Flanken der Zähne (Z) nahezu parallel zueinander verlaufen.
- Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß zwei oder drei Druckrollen (13) gleichmäßig über den Umfang verteilt an dem Glattrohr angreifen.
- Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, doß die Zähne (Z) zumindest im Bereich des Zahnkopfes gehärtet und/oder poliert sind.
- Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet daß in die Zahnköpfe Hartmetallteile eingesetzt sind.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES00402299T ES2200800T3 (es) | 2000-08-17 | 2000-08-17 | Dispositivo para la fabricacion de tubos metalicos con ondulaciones anulares. |
EP00402299A EP1181994B1 (de) | 2000-08-17 | 2000-08-17 | Vorrichtung zur Herstellung ringförming gewellter Metallrohre |
DE50003453T DE50003453D1 (de) | 2000-08-17 | 2000-08-17 | Vorrichtung zur Herstellung ringförming gewellter Metallrohre |
AT00402299T ATE248037T1 (de) | 2000-08-17 | 2000-08-17 | Vorrichtung zur herstellung ringförming gewellter metallrohre |
DK00402299T DK1181994T3 (da) | 2000-08-17 | 2000-08-17 | Anordning til fremstilling af ringformede bølgerør |
AU55890/01A AU778357B2 (en) | 2000-08-17 | 2001-07-20 | Device for the manufacture of annular corrugated metal tubes |
CN01125514.5A CN1222376C (zh) | 2000-08-17 | 2001-08-07 | 用于制造环状波形金属管的装置 |
CA2355172A CA2355172C (en) | 2000-08-17 | 2001-08-15 | Apparatus for producing annularly corrugated metal tubes |
BR0103426-0A BR0103426A (pt) | 2000-08-17 | 2001-08-15 | Dispositivo para a produção de tubos de metal, ondulados em forma de anel |
US09/930,309 US6550300B2 (en) | 2000-08-17 | 2001-08-16 | Apparatus for producing annularly corrugated metal tubes |
JP2001247026A JP2002102941A (ja) | 2000-08-17 | 2001-08-16 | 環状波形金属管を製造するための装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00402299A EP1181994B1 (de) | 2000-08-17 | 2000-08-17 | Vorrichtung zur Herstellung ringförming gewellter Metallrohre |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1181994A1 EP1181994A1 (de) | 2002-02-27 |
EP1181994B1 true EP1181994B1 (de) | 2003-08-27 |
Family
ID=8173816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00402299A Expired - Lifetime EP1181994B1 (de) | 2000-08-17 | 2000-08-17 | Vorrichtung zur Herstellung ringförming gewellter Metallrohre |
Country Status (11)
Country | Link |
---|---|
US (1) | US6550300B2 (de) |
EP (1) | EP1181994B1 (de) |
JP (1) | JP2002102941A (de) |
CN (1) | CN1222376C (de) |
AT (1) | ATE248037T1 (de) |
AU (1) | AU778357B2 (de) |
BR (1) | BR0103426A (de) |
CA (1) | CA2355172C (de) |
DE (1) | DE50003453D1 (de) |
DK (1) | DK1181994T3 (de) |
ES (1) | ES2200800T3 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10146807A1 (de) * | 2001-09-22 | 2003-04-10 | Nexans | Verfahren zur Herstellung längsnahtgeschweisster schraubenlinienförmig gewellter Metallrohre |
CA2575279A1 (en) * | 2006-01-30 | 2007-07-30 | Link-Pipe Inc | Apparatus and method for sleeve or sheet corrugation |
BRPI0818695A2 (pt) * | 2007-10-01 | 2015-09-01 | Inventio Ag | Dispositivo de embutição profunda |
CN101513655B (zh) * | 2008-02-22 | 2011-02-09 | 上海迈信威机电科技有限公司 | 轧纹机的轧纹头的升降装置 |
DK2243567T3 (da) * | 2009-04-21 | 2011-06-27 | Nexans | Indretning til fremstilling af rør, der er korrugerede på tværs af længde-retningen |
US8333099B2 (en) * | 2009-12-21 | 2012-12-18 | Han-Ching Huang | Method for making a tube of a telescopic device |
CN102248051B (zh) * | 2010-08-02 | 2013-04-03 | 江苏俊知技术有限公司 | 一种波纹管外导体轧制装置 |
CN101961829B (zh) * | 2010-10-10 | 2012-05-16 | 浙江明泰标准件有限公司 | 需要倒角且多槽的螺栓成型工艺 |
CN102274902B (zh) * | 2011-06-17 | 2013-07-17 | 秦皇岛福格科技有限公司 | 波纹管成型机旋转托盘机构 |
EP2752256B1 (de) * | 2013-01-07 | 2016-06-15 | Nexans | Vorrichtung zum Wellen eines Rohres |
CN111438222B (zh) * | 2020-03-19 | 2021-08-20 | 玉环明智科技有限公司 | 一种不连续螺旋管自动成型工装 |
CN112238172B (zh) * | 2020-09-28 | 2022-12-23 | 广州润球通讯科技有限公司 | 一种用于光缆护套生产的钢带轧纹装置 |
CN116871375B (zh) * | 2023-09-06 | 2023-11-28 | 杭州万全金属软管有限公司 | 一种不锈钢波纹管加工装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE458947C (de) * | 1928-04-23 | Friedrich Wempe | Verfahren zur Herstellung von gewellten Rohren fuer Waermeaustauscheinrichtungen | |
DE2106177A1 (de) * | 1970-05-01 | 1971-11-18 | Northern Electric Co | Rillenprägevorrichtung für Rohre |
GB1326320A (en) * | 1971-05-10 | 1973-08-08 | Felten & Guilleaume Kabelwerk | Apparatus for corrugating tubes |
US3780556A (en) * | 1971-09-27 | 1973-12-25 | Andrew Corp | Tube corrugating apparatus and method |
DE4137275A1 (de) * | 1991-11-13 | 1993-05-19 | Kabelmetal Electro Gmbh | Verfahren zur kontinuierlichen herstellung schraubenlinien- oder ringfoermig gewellter metallrohre |
DE19710071A1 (de) * | 1997-03-12 | 1998-09-24 | Alsthom Cge Alcatel | Vorrichtung zum Ringwellen von Rohren |
-
2000
- 2000-08-17 ES ES00402299T patent/ES2200800T3/es not_active Expired - Lifetime
- 2000-08-17 DE DE50003453T patent/DE50003453D1/de not_active Expired - Lifetime
- 2000-08-17 DK DK00402299T patent/DK1181994T3/da active
- 2000-08-17 AT AT00402299T patent/ATE248037T1/de active
- 2000-08-17 EP EP00402299A patent/EP1181994B1/de not_active Expired - Lifetime
-
2001
- 2001-07-20 AU AU55890/01A patent/AU778357B2/en not_active Ceased
- 2001-08-07 CN CN01125514.5A patent/CN1222376C/zh not_active Expired - Fee Related
- 2001-08-15 CA CA2355172A patent/CA2355172C/en not_active Expired - Fee Related
- 2001-08-15 BR BR0103426-0A patent/BR0103426A/pt not_active IP Right Cessation
- 2001-08-16 JP JP2001247026A patent/JP2002102941A/ja active Pending
- 2001-08-16 US US09/930,309 patent/US6550300B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU778357B2 (en) | 2004-12-02 |
US6550300B2 (en) | 2003-04-22 |
DE50003453D1 (de) | 2003-10-02 |
CA2355172A1 (en) | 2002-02-17 |
ES2200800T3 (es) | 2004-03-16 |
EP1181994A1 (de) | 2002-02-27 |
CA2355172C (en) | 2010-04-27 |
CN1222376C (zh) | 2005-10-12 |
BR0103426A (pt) | 2002-03-26 |
US20020029598A1 (en) | 2002-03-14 |
AU5589001A (en) | 2002-02-21 |
DK1181994T3 (da) | 2003-12-22 |
JP2002102941A (ja) | 2002-04-09 |
CN1367052A (zh) | 2002-09-04 |
ATE248037T1 (de) | 2003-09-15 |
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