EP0029345A2 - Procédé et dispositif pour le cintrage arrondi de tôle d'un article essentiellement cylindrique - Google Patents

Procédé et dispositif pour le cintrage arrondi de tôle d'un article essentiellement cylindrique Download PDF

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Publication number
EP0029345A2
EP0029345A2 EP80304061A EP80304061A EP0029345A2 EP 0029345 A2 EP0029345 A2 EP 0029345A2 EP 80304061 A EP80304061 A EP 80304061A EP 80304061 A EP80304061 A EP 80304061A EP 0029345 A2 EP0029345 A2 EP 0029345A2
Authority
EP
European Patent Office
Prior art keywords
plate
mandrel
rollers
pressure means
rolling
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
EP80304061A
Other languages
German (de)
English (en)
Other versions
EP0029345A3 (en
EP0029345B1 (fr
Inventor
Kenneth Michael Hume
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT80304061T priority Critical patent/ATE7274T1/de
Publication of EP0029345A2 publication Critical patent/EP0029345A2/fr
Publication of EP0029345A3 publication Critical patent/EP0029345A3/en
Application granted granted Critical
Publication of EP0029345B1 publication Critical patent/EP0029345B1/fr
Expired legal-status Critical Current

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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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
    • B21D5/143—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers making use of a mandrel

Definitions

  • This invention relates to pla.te rolling and more particularly, but not exclusively to the rolling of steel plate in substantially cylindrical form to produce a pipe.
  • a method of rolling a plate to form a substantially cylindrical article on apparatus comprising a support bed for the plate, a rotatable mandrel with a gripper means for engaging an edge of the plate, pressure means adjacent said mandrel adapted to engage said plate, including the steps of engaging an edge of the plate by said gripper means, turning the mandrel to advance said plate past said pressure means to curve said plate into a cylinder shape characterized in that said mandrel and said pressure means are relatively movable to create a force on said advancing plate at least during the final stages of rolling to prevent relative movement of the plate and said mandrel.
  • an apparatus for carrying out the method described in the preceding paragraphs comprising a mandrel rotatable above a plate support bed, pressure roller means mounted adjacent said mandrel for contacting and supporting said plate, said mandrel and said pressure roller means being relatively movable during a plate rolling operation at least during the final stages of said operation to apply a force against said plate as it is advanced.
  • lateral forces may or may not include frictional forces brought about for example by contact between the internal surface of the plate and said mandrel.
  • plate rolling apparatus comprising a horizontal framework 11 embodying supporting rollers 12 or other like means upon which steel or other plate 13 may be advanced horizontally at a convenient height.
  • the framework 11 has a well 14 through which a massive supporting I-beam 15 extends in a direction at right-angles to the direction of advancement of the plate 13 with its flanges horizontal.
  • the upper flange 16 supports two horizontal rollers 17 and 18 the axes of which extend in the longitudinal direction of the I-beam 15 at an appropriate height for the upper surface of the rollers 17 and 18 to be at the same height as the upper surfaces of the rollers 12.
  • flat plate advanced along the rollers 12 also contacts and runs upon the rollers 17 and 18.
  • rollers 17 and 18 are sufficiently great to engage the full width of the plate 13.
  • the rollers 17 and 18 are shown supported by end brackets 19 fixed on the flange 16 and it is to be understood that as many intermediate supporting brackets may be provided along the rollers 17 and 18 as are deemed necessary to prevent significant flexing.
  • the flange 16 is provided with means for supporting a mandrel 20 with its axis above the web of the I-beam 15 centrally spaced between the rollers 17 and 18 but above them.
  • the supporting means comprises two hydraulic cylinders 21 and 22.
  • One cylinder 21 is fixed in position with a shaft bearing 23 mounted on the upper end of its piston rod 24.
  • the other cylinder 22 also has a piston rod 25 with a shaft bearing 26 mounted on its end, but instead of being fixed to the flange 16 it is connected by a pivot pin 27 to a bracket 28 fixed on the flange 16.
  • the cylinder 22 is pivotally connected to the piston rod 29 of a further hydraulic cylinder 30 pivoted to the web of the I-beam 15 so that by retraction of the piston rod 29 into the cylinder 30 the cylinder 22 together with its piston rod 25 and bearing 26 can be swung downwardly from the full line position shown in Figure 2 into the position shown in dotted lines in which it is entirely below the path of movement of the plate 13.
  • cylinder 22 With the cylinder 22 in its erect position shown in full lines in Figure 2, its bearing 26 and the bearing 23 provide support for the shaft 31 of the mandrel. Mandrels of different diameters can be used with appropriate raising or lowering of the piston rods 24 and 25.
  • Suitable drive means is provided for the shaft 31 comprising a motor 32 and reduction and reversing gear box 33, both mounted on the I-beam 15 with a double universal drive connection 34 extending from the gear box 33 to the shaft 31.
  • FIGS 3 to 5 show schematically the various stages of completion of formation of a pipe according to the present invention using the apparatus described in Figures 1 to 2.
  • the torque applied to the mandrel which is constant for practically the full forming cycle, and equal to the plastic moment (MPL) of the plate 13, is in fact applied to the plate edge via the gripper 36.
  • the mandrel 20 acts as guide and there is contact but little pressure between the mandrel 20 and the plate 13. Whilst the plate is in contact with the mandrel there exists all around the plate a bending moment equal to the plastic moment (MPL).
  • the opposing moments are generated by lowering the mandrel by operation of power cylinders 21, 22 in the direction of arrow B or raising the rollers (by means not shown) until both rollers are engaged by the plate thereby creating lateral forces Fr 1 and Fr 2 .
  • the action of the forces creates a horizontal component of force HFr 2 and HFr 2 , which give rise to these opposing moments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP80304061A 1979-11-15 1980-11-13 Procédé et dispositif pour le cintrage arrondi de tôle d'un article essentiellement cylindrique Expired EP0029345B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80304061T ATE7274T1 (de) 1979-11-15 1980-11-13 Verfahren und apparat zum walzen von blech zum herstellen eines im wesentlichen zylindrischen gegenstandes.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU1342/79 1979-11-15
AUPE134279 1979-11-15

Publications (3)

Publication Number Publication Date
EP0029345A2 true EP0029345A2 (fr) 1981-05-27
EP0029345A3 EP0029345A3 (en) 1981-11-04
EP0029345B1 EP0029345B1 (fr) 1984-05-02

Family

ID=3768336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80304061A Expired EP0029345B1 (fr) 1979-11-15 1980-11-13 Procédé et dispositif pour le cintrage arrondi de tôle d'un article essentiellement cylindrique

Country Status (9)

Country Link
EP (1) EP0029345B1 (fr)
JP (1) JPS56111524A (fr)
AR (1) AR225199A1 (fr)
AT (1) ATE7274T1 (fr)
BR (1) BR8007426A (fr)
CA (1) CA1138761A (fr)
NZ (1) NZ195554A (fr)
PH (1) PH23274A (fr)
ZA (1) ZA807076B (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049079A1 (fr) * 1980-09-19 1982-04-07 Kenneth Michael Hume Procédé pour le cintrage de tôle
EP0182868A4 (fr) * 1984-05-16 1986-09-04 Kaiser Steel Corp Procede et appareil de laminage de tuyaux.
WO1994022608A1 (fr) * 1993-04-05 1994-10-13 Kenneth Michael Hume Machine a former des tuyaux
ITMI20091174A1 (it) * 2009-07-02 2011-01-03 Marco Zambolin Procedimento di realizzazione di moduli di canalizzazione per impianti di distribuzione di aria e condotto ottenuto mediante tale procedimento
ITMI20111380A1 (it) * 2011-07-25 2013-01-26 Marco Zambolin Procedimento di realizzazione di moduli di canalizzazione per impianti di distribuzione di aria e condotto ottenuto mediante tale procedimento
ITMI20111384A1 (it) * 2011-07-25 2013-01-26 Marco Zambolin Procedimento di realizzazione di moduli di canalizzazione per impianti di distribuzione di aria e condotto ottenuto mediante tale procedimento
ITMI20111382A1 (it) * 2011-07-25 2013-01-26 Marco Zambolin Procedimento di realizzazione di moduli di canalizzazione per impianti di distribuzione di aria e condotto ottenuto mediante tale procedimento
CN104690431A (zh) * 2015-01-22 2015-06-10 安徽万嘉新能源科技有限公司 一种带有激光切割装置的太阳能热水器加工设备
CN105013890A (zh) * 2015-07-29 2015-11-04 成都市松川金属材料有限公司 一种方便送料的卷圆机
TWI610778B (zh) * 2016-10-27 2018-01-11 宜營機械有限公司 板材輾壓機
CN111318596A (zh) * 2020-03-25 2020-06-23 江门市腾宏金属制品有限公司 一种不锈钢管制管机
CN117181873A (zh) * 2023-10-25 2023-12-08 四川烨晶化工装备有限公司 一种弯管装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7122636U (de) * 1972-12-21 Mori Masuri Stahlblechbiegevorrichtung
DE618901C (de) * 1933-12-23 1935-09-20 Wilhelm Heinen Vorrichtung zum Biegen von Blechstreifen o. dgl., insbesondere zu mehr oder weniger g eschlossenen Roehren
GB1099191A (en) * 1963-12-19 1968-01-17 Scottish Machine Tool Corp Ltd Improvements in or relating to plate bending machines
FR1553901A (fr) * 1967-11-29 1969-01-17
DE1752666C3 (de) * 1968-06-29 1975-09-25 Wilhelmsburger Maschinenfabrik, Hinrichs & Sohn, 2054 Geesthacht Blechplattenbiegemaschine
FR2097182A7 (en) * 1970-07-04 1972-03-03 Ferranti Albino Sheet metal cylinders - bending of long lengths
US3738149A (en) * 1971-10-01 1973-06-12 B Archer Pipe forming apparatus and method
US3879994A (en) * 1973-08-16 1975-04-29 Kenneth Michael Hume Plate rolling

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049079A1 (fr) * 1980-09-19 1982-04-07 Kenneth Michael Hume Procédé pour le cintrage de tôle
EP0182868A4 (fr) * 1984-05-16 1986-09-04 Kaiser Steel Corp Procede et appareil de laminage de tuyaux.
WO1994022608A1 (fr) * 1993-04-05 1994-10-13 Kenneth Michael Hume Machine a former des tuyaux
GB2291609A (en) * 1993-04-05 1996-01-31 Kenneth Michael Hume Pipe forming machine
ITMI20091174A1 (it) * 2009-07-02 2011-01-03 Marco Zambolin Procedimento di realizzazione di moduli di canalizzazione per impianti di distribuzione di aria e condotto ottenuto mediante tale procedimento
WO2011001279A1 (fr) * 2009-07-02 2011-01-06 Marco Zambolin Procédé pour réaliser des modules de canalisations d’installations de distribution d’air, module de canalisation, et procédé d’emballage et procédé d’assemblage desdits modules
ITMI20111380A1 (it) * 2011-07-25 2013-01-26 Marco Zambolin Procedimento di realizzazione di moduli di canalizzazione per impianti di distribuzione di aria e condotto ottenuto mediante tale procedimento
ITMI20111384A1 (it) * 2011-07-25 2013-01-26 Marco Zambolin Procedimento di realizzazione di moduli di canalizzazione per impianti di distribuzione di aria e condotto ottenuto mediante tale procedimento
ITMI20111382A1 (it) * 2011-07-25 2013-01-26 Marco Zambolin Procedimento di realizzazione di moduli di canalizzazione per impianti di distribuzione di aria e condotto ottenuto mediante tale procedimento
CN104690431A (zh) * 2015-01-22 2015-06-10 安徽万嘉新能源科技有限公司 一种带有激光切割装置的太阳能热水器加工设备
CN105013890A (zh) * 2015-07-29 2015-11-04 成都市松川金属材料有限公司 一种方便送料的卷圆机
TWI610778B (zh) * 2016-10-27 2018-01-11 宜營機械有限公司 板材輾壓機
CN111318596A (zh) * 2020-03-25 2020-06-23 江门市腾宏金属制品有限公司 一种不锈钢管制管机
CN117181873A (zh) * 2023-10-25 2023-12-08 四川烨晶化工装备有限公司 一种弯管装置

Also Published As

Publication number Publication date
CA1138761A (fr) 1983-01-04
BR8007426A (pt) 1981-05-26
EP0029345A3 (en) 1981-11-04
NZ195554A (en) 1984-10-19
AR225199A1 (es) 1982-02-26
PH23274A (en) 1989-06-23
JPS56111524A (en) 1981-09-03
ZA807076B (en) 1981-11-25
EP0029345B1 (fr) 1984-05-02
JPS6321570B2 (fr) 1988-05-07
ATE7274T1 (de) 1984-05-15

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