EP0259607B1 - Vorrichtung zum wendelförmigen Bewickeln von Rohren kreisförmigen Querschnitts mit glattem, ungewellten Band - Google Patents

Vorrichtung zum wendelförmigen Bewickeln von Rohren kreisförmigen Querschnitts mit glattem, ungewellten Band Download PDF

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Publication number
EP0259607B1
EP0259607B1 EP87111307A EP87111307A EP0259607B1 EP 0259607 B1 EP0259607 B1 EP 0259607B1 EP 87111307 A EP87111307 A EP 87111307A EP 87111307 A EP87111307 A EP 87111307A EP 0259607 B1 EP0259607 B1 EP 0259607B1
Authority
EP
European Patent Office
Prior art keywords
tube
tape
rolling
band
axis
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
EP87111307A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0259607A2 (de
EP0259607A3 (en
Inventor
Peter Denner
Alfred Joekel
Wolfgang Herrmann
Ernst Nikolayzcik
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.)
Balcke Duerr AG
Original Assignee
Balcke Duerr AG
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 Balcke Duerr AG filed Critical Balcke Duerr AG
Priority to AT87111307T priority Critical patent/ATE59986T1/de
Publication of EP0259607A2 publication Critical patent/EP0259607A2/de
Publication of EP0259607A3 publication Critical patent/EP0259607A3/de
Application granted granted Critical
Publication of EP0259607B1 publication Critical patent/EP0259607B1/de
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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes

Definitions

  • the invention relates to a device for helically winding pipes of circular cross-section with smooth, non-corrugated tape, which is drawn off by the rotating tube from a roll of tape and is deformed immediately before application to the tube by a rolling process, which by a synchronous with the tube from Rotary drive of the tube driven, surrounding the tube ring and a frictionally co-rotating roller plate is effected, the circumferential surface of which is adjustable about an axis lying transversely to the longitudinal axis of the tube and is supported such that it can be delivered relative to the roller ring.
  • a device of the type described above is known from DE-A-31 31 473.
  • the rolling surface of the rolling ring is arranged in a plane running at right angles to the longitudinal axis of the pipe, because the rolling ring concentrically surrounds the pipe. This does indeed result in a simple derivation of the rolling ring drive from the rotary drive of the tube.
  • the strip deformed by a rolling process between the rolling ring and the rolling plate is, however, applied at right angles to the longitudinal axis of the tube, regardless of the respective pitch of the coil to be attached to the tube, so that it is then brought into the position on the tube corresponding to the respective pitch by appropriate guides got to.
  • the invention has for its object to develop a device of the type described above for helically winding pipes of circular cross-section with a smooth, non-corrugated band such that the band to be applied to the pipe is fed to the pipe in accordance with the respective pitch angle and thereby a rolling process between the rolling ring and roller plate is subjected, so that subsequent displacements or deformations of the wound tape are avoided, which not only require additional deformation energy, but also represent additional loads on the tape and lead to a limitation of the winding speed.
  • roller ring and the roller plate with its adjusting device are arranged on a rotary table which, according to the respective pitch of the strip to be wound, about an axis which cuts the pipe longitudinal axis in the extension of the point of impact of the strip onto the pipe at right angles is rotatable.
  • the strip is already drawn onto the pipe surface at that angle and at the same time subjected to a rolling process which corresponds to the respective pitch angle.
  • This eliminates subsequent deformations or changes in position of the strip on the pipe surface, which in addition to an additional load have in particular limited the winding speed.
  • the winding process is thus improved both with regard to the load on the guide devices for the tape and with regard to the loads on the tape in such a way that low-quality tape can be applied at a higher winding speed and the wear on the guide devices is reduced.
  • a grooving tool can be arranged on the rotary table, the cutting edge of which engages the tube on the tube in the region of approximately 90 ° before the point of impact of the strip.
  • This orientation of the grooving tool according to the invention in accordance with the respective slope of the band and by the formation of the groove shortly before the point of impact of the band ensures that the band reliably runs into the groove previously produced in the surface of the tube, independently of in the Practice unavoidable synchronism fluctuations both with regard to the rotary drive and with regard to the pipe feed.
  • FIG. 1 shows a machine bed 1, on which a rotary and feed drive 2 with a driving device 3 for the tube 4 is arranged.
  • the pipe 4 to be wound is thus driven in rotation and with a propulsion corresponding to the pitch of the band to be wound.
  • a steady rest 6 for supporting the wound tube 4 is also arranged on a bearing plate 5.
  • 1 also shows a tape reel 7, from which the tape 8 to be wound is drawn off by the rotating tube 4.
  • This belt 8 is fed via a deflecting roller 9 to a winding device, which is shown in FIG. 1 only in a schematic plan view and in FIGS. 2 to 5 using an exemplary embodiment.
  • This winding device comprises a turntable 10 which can be rotated about a vertical axis relative to the machine bed 1, as exaggerated in FIG. 1 was drawn.
  • This turntable 10 carries a bearing block 11 for a rolling ring 12 which surrounds the tube 4 to be wound and with which a roller plate 13 cooperates. While the rolling ring 12 is driven synchronously with the tube 4 by the rotary and feed drive 2, the rolling plate 13 is frictionally carried along by the rolling ring 12.
  • the rolling plate 13 can be adjusted about a horizontal axis and is supported on the turntable 10 so that it can be delivered relative to the rolling ring.
  • the respective angle of attack of the rotary table 10 with respect to the longitudinal axis of the tube 4, which corresponds to the respective slope of the band 8 to be wound onto the tube 4, can be read off on a scale ring 14 on the rotary table 10.
  • FIGS. 2 to 5 show a band guide 15 for the band 8 to be fed to the rotating tube 4, which is aligned according to the set angle of the rotary table 10 to the longitudinal axis of the tube 4.
  • the band 8 in the illustrated embodiment is fed to the underside of the tube 4, in accordance with the respective pitch angle of the band 8 on the surface of the tube 4.
  • the point of contact 16 of the band 8 on the tube 4 is shown in FIGS. 2 drawn to 5.
  • the axis 17 of the turntable 10 runs through this run-up point 16 with respect to the machine bed 1, which in the exemplary embodiment is formed by a bearing pin 18 and which intersects the longitudinal axis of the tube 4 in an extension of the run-up point 16. This ensures that the rolling process exerted by the rolling ring 12 and rolling plate 13 on the strip takes place exactly at the run-up point 16, regardless of the angle of the turntable 10 relative to the machine bed 1 and regardless of the angle of attack of the rolling plate 13 relative to the rolling ring 12 by pivoting the roller plate 13 about the pivot axis 19 shown in FIG. 4.
  • the setting option described above ensures that the band 8 is always fed by means of the band guide 15 at the angle of the surface of the tube 4 which corresponds to the respective pitch angle of the band 8 on the tube 4.
  • this setting option enables the pipe surface to be grooved and the band 8 to be wound up to be reliably introduced into this groove, on the one hand to guarantee a reliable fit of the coiled band 8 on the pipe 4 and on the other hand to produce good heat transfer between the wound band 8 and the pipe 4.
  • the pipe 4 is grooved with the aid of a grooving tool 20 which is arranged on the bearing block 11 of the rolling ring 12 in an alignable and deliverable manner and whose cutting edge 20a engages the pipe 4 in the region of approximately 90 ° before the point of impact 16.
  • the tube 4 rotating counterclockwise in FIG. 3 is consequently provided with the helical groove about 1/4 turn before the run-up point 16 by the cutting edge 20a of the grooving tool 20, so that even in the event of synchronous fluctuations with regard to the rotary drive and the feed of the tube 4 ensures that the band 8 always reliably runs into the previously prepared groove.
  • FIGS. 4 to 5 also show a fin guide 22 which corrects any deformations of the fins on the tube 4.
  • grooving tool 20, utility lever 21 and rib direction guide 22 have been omitted from the top view in FIG. 2.
  • the perspective view in FIG. 5 again shows the interaction of the individual parts when grooving and winding the tape 8 on the tube 4.
  • the tape 8 fed to the tube 4 on the underside through the tape guide 15 at the run-up point 16 runs into the run-up point 16 in the run-up point 16 Groove that has been created about half a turn before the point of impact 16 by the cutting edge 20a of the grooving tool 20.
  • the windings of the band 8 that have already been wound are not shown in the drawing in FIG. 5.
  • the usable pusher 21 acting on the non-grooved surface of the tube 4 can be seen, the corpus guide 22, which preferably engages the upper half of the wound rib.
  • the perspective shows the interaction between the rolling ring 12 and the circumferential surface of the rolling plate 13 and the angle 23 between the longitudinal axis 4a of the tube 4 and the longitudinal axis 10a of the turntable 10 rotated relative to the machine bed 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Making Paper Articles (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Milling Processes (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
EP87111307A 1986-09-06 1987-08-05 Vorrichtung zum wendelförmigen Bewickeln von Rohren kreisförmigen Querschnitts mit glattem, ungewellten Band Expired - Lifetime EP0259607B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87111307T ATE59986T1 (de) 1986-09-06 1987-08-05 Vorrichtung zum wendelfoermigen bewickeln von rohren kreisfoermigen querschnitts mit glattem, ungewellten band.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3630440 1986-09-06
DE3630440A DE3630440C1 (de) 1986-09-06 1986-09-06 Vorrichtung zum wendelfoermigen Bewickeln von Rohren kreisfoermigen Querschnitts mit glattem,ungewellten Band

Publications (3)

Publication Number Publication Date
EP0259607A2 EP0259607A2 (de) 1988-03-16
EP0259607A3 EP0259607A3 (en) 1988-07-06
EP0259607B1 true EP0259607B1 (de) 1991-01-16

Family

ID=6309086

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87111307A Expired - Lifetime EP0259607B1 (de) 1986-09-06 1987-08-05 Vorrichtung zum wendelförmigen Bewickeln von Rohren kreisförmigen Querschnitts mit glattem, ungewellten Band

Country Status (8)

Country Link
EP (1) EP0259607B1 (es)
AT (1) ATE59986T1 (es)
DD (1) DD261967A5 (es)
DE (2) DE3630440C1 (es)
ES (1) ES2020232B3 (es)
GR (1) GR3001783T3 (es)
YU (1) YU47050B (es)
ZA (1) ZA876009B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4330957A1 (de) * 1993-09-09 1995-03-16 Mannesmann Ag Anlage zur Herstellung von Wärmetauscherrohren
DE3726677A1 (de) * 1987-08-11 1989-02-23 Schmoele Metall R & G Verfahren und vorrichtung zur herstellung von waermetauscherrohren
DE3940846C1 (es) * 1989-12-11 1991-03-21 Balcke-Duerr Ag, 4030 Ratingen, De

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1303264B (es) * Matheny W
DE1402779B2 (de) * 1959-07-14 1971-03-04 Schweisswerk Bulach GmbH, 4300 Essen Altenessen Verfahren zum schraubenfoermigen aufwickeln von band auf rohre mit ovalem querschnitt und vorrichtung zur ausuebung des verfahrens
US3417451A (en) * 1966-07-06 1968-12-24 Hudson Engineering Corp Process and apparatus for producing finned tubing
US3613206A (en) * 1969-05-07 1971-10-19 Arthur H Mcelroy Rolled groove fin tube
DE2360477A1 (de) * 1973-12-05 1975-06-12 Rasmussen Gustav Vorrichtung zum schraubenfoermigen hochkant-wickeln eines metallbandes auf ein rohr
DE3131473C2 (de) * 1981-08-08 1985-06-27 Balcke-Dürr AG, 4030 Ratingen Vorrichtung zum wendelförmigen Bewickeln von Rohren kreisförmigen Querschnitts mit glattem (ungewelltem) Band

Also Published As

Publication number Publication date
YU47050B (sh) 1994-12-28
ATE59986T1 (de) 1991-02-15
ES2020232B3 (es) 1991-08-01
YU145387A (en) 1990-06-30
EP0259607A2 (de) 1988-03-16
EP0259607A3 (en) 1988-07-06
DD261967A5 (de) 1988-11-16
ZA876009B (en) 1988-04-27
DE3630440C1 (de) 1987-07-09
GR3001783T3 (en) 1992-11-23
DE3767415D1 (de) 1991-02-21

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