CN1788873A - Method and apparatus for producing heterotype tubing using steel plate - Google Patents

Method and apparatus for producing heterotype tubing using steel plate Download PDF

Info

Publication number
CN1788873A
CN1788873A CN 200510101756 CN200510101756A CN1788873A CN 1788873 A CN1788873 A CN 1788873A CN 200510101756 CN200510101756 CN 200510101756 CN 200510101756 A CN200510101756 A CN 200510101756A CN 1788873 A CN1788873 A CN 1788873A
Authority
CN
China
Prior art keywords
roll
concavo
convex
public affairs
groove
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
CN 200510101756
Other languages
Chinese (zh)
Other versions
CN100376338C (en
Inventor
何甜灶
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 CNB2005101017566A priority Critical patent/CN100376338C/en
Publication of CN1788873A publication Critical patent/CN1788873A/en
Application granted granted Critical
Publication of CN100376338C publication Critical patent/CN100376338C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The method and apparatus for producing irregular pipe with steel plate features that the steel plate is first machined to form one or several longitudinal slots, and then wound longitudinally and butt welded along the longitudinal edges. Before welding, the wound plate is wound onto a spindle, and during welding, it is driven to move linearly along the spindle with two rollers. Compared with available technology, the present invention has the advantages of simple technological process, high production efficiency and low production cost.

Description

A kind of method and apparatus of producing heterotype tubing with steel plate
Technical field:
The present invention relates to a kind of production method and device of tubing.
Background technology:
The production method that has the stainless steel heterotype tubing that embedding groove is installed on the existing cross section is on the basis of stainless pipe, pipe is suppressed by mould, distortion forms, and pipe generally is to curve tubulose by corrosion resistant plate, then bonding crack is welded, that is to say that the production that has the stainless steel heterotype tubing that embedding groove is installed on the cross section is made of two steps, at first be with the curved pipe that is connected into of steel plate, then, suppress through mould by pipe again, distortion forms heterotype tubing, this kind method complex process, the production cost height, efficient is low, and is difficult to produce the special-shaped section bar that has groove.
Summary of the invention:
Goal of the invention of the present invention is to provide the method and apparatus with steel plate production heterotype tubing that a kind of technology is simple, production efficiency is high, production cost is low, can process groove.
Method with steel plate production heterotype tubing of the present invention is to realize like this, earlier vertically process one or more than one grooves at banded steel plate, then banded steel plate dual-side butt joint is rolled, again with the butt joint of the both sides of rolled-up plate and weld together, during welding, earlier rolled-up sleeve-board is advanced on the plug consistent with the roll bending hole size, move along the plug straight line with the moving rolled-up plate of two or more roller straps then, simultaneously, will weld along the edge fit of the butt joint of the straight-line rolled-up plate of plug continuously with welder.Because during welding, rolled-up sleeve-board is advanced on the plug consistent with the roll bending hole size, move along the plug straight line with the moving rolled-up plate of two or more roller straps then, therefore, in the welding process, tubing can not be out of shape, welding edge can fringe margin, and can continuously rolled-up plate be welded into tubing, and working groove is to adopt general bending machinery or other ripe technologies to finish on banded steel plate, the processing technology maturation of working groove on sheet material, handling ease.
Here, the surface that drives the roller that rolled-up plate moves along the plug straight line matches with the surface of the rolled-up plate that is contacted, and like this, has just limited the distortion that may occur in the rolled-up plate welding process, has guaranteed the quality of finished section bar.
Here, in order to realize the quantity-produced requirement, the processing of the groove on the banded steel plate is come out by cold roll is cold rolling, its technical process is to realize like this, earlier with having shallow trapezoidal concavo-convex public affairs, female roll shuts out shallow trapezoidal, again on shallow trapezoidal basis with having dark trapezoidal concavo-convex public affairs, female roll shuts out trapezoidal deeply, at last on dark trapezoidal basis with having square concavo-convex public affairs, female roll shuts out square groove or uses on banded steel plate earlier and has the adjacent concavo-convex public affairs of two shallow arc, female roll shuts out adjacent two shallow arc groove, on two shallow arc grooves, use then and have an adjacent shallow arc, the concavo-convex public affairs of one dark arc, female roll shuts out an adjacent shallow arc groove, one dark arc groove, again at a shallow arc groove, on the one dark arc groove, with having an adjacent shallow arc, dark trapezoidal concavo-convex public affairs, female roll shuts out an adjacent shallow arc groove, dark dovetail groove, at last on dark dovetail groove with having square concavo-convex public affairs, female roll shuts out square groove.Owing to adopt the cold rolling process of gradual change, adopt simultaneously compensation mode (as by trapezoidal to square, utilize trapezoidal side to compensate the steel plate amount of the required increase of cold rolling square groove than the length length on square limit, perhaps the arc edge lengths of Li Yonging compensates the steel plate amount of the required increase of cold rolling square groove than the length length of straight flange), thereby guaranteed carrying out smoothly of cold rolling square groove, prevented the fringe margin that occurs in the cold-rolled process or the appearance of crack conditions.
Here, the base of the shallow dovetail groove that shuts out with concavo-convex male and female roll on the banded steel plate, dark dovetail groove is the arc limit, and shallow trapezoidal concavo-convex, the dark trapezoidal concavo-convex base on the corresponding concavo-convex male and female roll is an arc.Adopt the arc limit, can compensate sheet material required when rolling square groove on the banded steel plate effectively, make the wall thickness on the square groove consistent with other positions.
It is to realize like this that the plate dual-side is docked rolled-up technology, the male and female roll that with bending angle is the Y degree is with banded steel plate bending Y degree, and then plate is bent the X-Y-Z degree again with male and female roll one step or more than the step, be that the male and female roll of X bends the Z degree again with plate with bending angle at last, Y is the 10-35 degree, Z is the 3-10 degree, and X is the final angle of the required bending of plate.Adopt segmentation to bend continuously, first low-angle foldover, stage casing wide-angle bending then, low-angle bending more like this, through the bending more than three times or three times, can accurately bend plate at last, and dual-side can accurately dock.
Equipment with steel plate production heterotype tubing of the present invention is to realize like this, mainly constitute by the cold rolling moulding section and the welding portion that are arranged on the frame, cold rolling moulding section is successively by the groove roll stacks of driven by motor, outside bending roll stacks by driven by motor, inner edge bending roll stacks by driven by motor constitutes, the groove roll stacks is successively by two pairs or more from shallow to deep trapezoidal concavo-convex public affairs of having, female roll and at least one pair of have square concavo-convex public affairs, female roll constitutes, perhaps the groove roll stacks has adjacent concavo-convex public affairs of two shallow arc by a pair of successively, female roll, at least one pair of has an adjacent shallow arc, the concavo-convex public affairs of one dark arc, female roll, at least one pair of has an adjacent shallow arc, dark trapezoidal concavo-convex public affairs, female roll, at least one pair of has square concavo-convex public affairs, female roll constitutes, outside bending roll stacks has the public affairs that bending angle is a 5-35 degree bending edge by a pair of both sides successively, female roll, at least two pairs of both sides have the public affairs that bending angle progressively is increased to the bending edge of 80-90 degree, female roll constitutes, bending roll in outside all is provided with corresponding with groove on the pipe that is bent concavo-convex, inner edge bending roll stacks has the public affairs that bending angle is a 5-35 degree bending edge by a pair of both sides successively, female roll, at least two pairs of both sides have the public affairs that bending angle progressively is increased to the bending edge of 60-70 degree, female roll, it is that the female roll of the trapezoidal public roll of 75-85 and the T shape that matches with it constitutes that both sides have bending angle, the central roll width of the female roll of T shape and the bottom roller width of trapezoidal public roll match, the width of two avris rollers of the female roll of T shape matches with the two outer flanging width and the gradient of the pipe that is bent, the width of the both sides roller of trapezoidal public roll and gradient and the pipe that bent two in the width of flangings match, the bottom roller of trapezoidal public roll is provided with corresponding with groove on the pipe that is bent concavo-convex, welding portion is mainly by being fixed on the frame and plug that match with the pipe orifice that is bent, delivery roll by driven by motor, pad constitutes facing to the welding machine of pipe to edge fit, delivery roll is made up of two or more rollers, and the shape of the transfer surface of roller matches with the shape of the pipe that is contacted.During work, the groove roll stacks of a group or more in the cold rolling moulding section shuts out one or more groove continuously with the plate face, bending roll stacks in outside is folded into the 80-90 degree with two outer side edges of plate, inner edge bending roll stacks is folded into the 75-85 degree with the inner side edge of plate, delivery roll is with the finalize the design pipe of closure of dual-side butt joint of the plate of bending, and under the support of plug, welding machine welds the dual-side of butt joint.
For the size of the pipe that guarantees to bend meets the requirements, the back frame of delivery roll is provided with the sizing actuator.The sizing actuator was both accurately formulated the size of pipe, simultaneously, dragged pipe and carried forward.
Between sizing actuator and delivery roll, be provided with the soldered polishing machine, so that with the soldered polishing grinding.
Compared with the prior art the present invention has the advantage that technology is simple, production efficiency is high, production cost is low.
Description of drawings:
Fig. 1 is a process chart of the present invention;
Fig. 2 is with the roll process chart of groove onboard;
Plate outer side edges moulding process flow chart when Fig. 3 is bent into tubulose for plate;
Plate inner side edge moulding process flow chart when Fig. 4 is bent into tubulose for plate;
Fig. 5 is the structural representation of groove roll stacks;
Fig. 6 is the structural representation of outside, inner edge bending roll stacks;
Fig. 7 is the structural representation of welding portion;
Fig. 8 is the lateral plan of the delivery roll of Fig. 7.
The specific embodiment:
Now in conjunction with the accompanying drawings and embodiments the present invention is described in further detail:
As shown in Figure 1, the method that the banded corrosion resistant plate of usefulness of the present invention is produced heterotype tubing is to realize like this, add vertical worker at the banded corrosion resistant plate 2 of coming earlier and go out one or more than one grooves from uncoiler 1 conveying, then the butt joint of plate dual-side is rolled, again with the butt joint of the both sides of rolled-up plate and weld together, pass through weld grinding operation 3a at last, sizing drags operation 4, straightening operation 5a, square tube polishing process 3b, straightening operation 5b, cut off operation 6 and just obtain required finished product heterotype tubing, during welding, earlier rolled-up sleeve-board is advanced on the plug consistent with the roll bending hole size, move along the plug straight line with the moving rolled-up plate of two or more roller straps then, simultaneously, to weld along the edge fit of the butt joint of the straight-line rolled-up plate of plug continuously with welder, the surface that drives the roller that rolled-up plate moves along the plug straight line matches with the surface of the rolled-up plate that is contacted.
As shown in Figure 2, the processing of the groove 6 on the banded corrosion resistant plate 2 is come out by cold roll is cold rolling, its technical process is to realize like this, earlier with having shallow trapezoidal concavo-convex public affairs, female roll shuts out shallow trapezoidal 7 (as step a), again on shallow trapezoidal 7 basis with having dark trapezoidal concavo-convex public affairs, female roll shuts out dark trapezoidal 8 (as step b), at last on dark trapezoidal 8 basis with having square concavo-convex public affairs, female roll shut out square groove 9 (as step c) or (with) with having the adjacent concavo-convex public affairs of two shallow arc, female roll shuts out adjacent two shallow arc groove 10 (as step d), on two shallow arc grooves 10, use then and have an adjacent shallow arc, the concavo-convex public affairs of one dark arc, female roll shuts out an adjacent shallow arc groove, one dark arc groove 11 is (as step e), again at a shallow arc groove, on the one dark arc groove 11, with having an adjacent shallow arc, dark trapezoidal concavo-convex public affairs, female roll shuts out an adjacent shallow arc groove, dark dovetail groove 12 is (as step f), at last on dark dovetail groove with having square concavo-convex public affairs, female roll shuts out square groove 13 (as step g), use concavo-convex public affairs on the banded corrosion resistant plate 2, the shallow dovetail groove 7 that female roll shuts out, the base 14 of dark dovetail groove 8 is the arc limit, corresponding concavo-convex public affairs, shallow trapezoidal concavo-convex on female roll, dark trapezoidal concavo-convex base is an arc.
As shown in Figure 3, Figure 4, with banded corrosion resistant plate 2 both sides inner side edges 15, the rolled-up technology of outer side edges 16 butt joints is to realize like this, the male and female roll that with bending angle is the Y degree bends the Y degree (as the step a) of Fig. 3, Fig. 4 with plate, and then plate is bent the X-Y-Z degree again (as step b, the step c) of Fig. 3, Fig. 4 with male and female roll one step or more than the step, be that the male and female roll of X bends the Z degree (as the step d) of Fig. 3, Fig. 4 again with plate with bending angle at last, Y is the 10-35 degree, Z is the 3-10 degree, and X is the 75-90 degree.The polishing of butt welded seam for convenience, the outer side edges 16 of plate is bent into shallow arc (as shown in Figure 3), like this, behind the pipe welding fabrication, weld seam upwards arches up slightly and (as the step e) of Fig. 4, helps butt welded seam and polish fully, make its reinstatement by diameter-setting equipment then.
As Fig. 1, Fig. 5, shown in Figure 6, the equipment that the banded corrosion resistant plate of usefulness of the present invention is produced heterotype tubing is to realize like this, mainly constitute by the cold rolling moulding section 18 and the welding portion 19 that are arranged on the frame 17, cold rolling moulding section 17 is successively by the groove roll stacks 20 of driven by motor, outside bending roll stacks 21 by driven by motor, inner edge bending roll stacks 22 by driven by motor constitutes, as shown in Figure 5, groove roll stacks 20 is successively by two pairs or more from shallow to deep trapezoidal concavo-convex 23 public affairs of having, female roll is (as Fig. 5, the a roller, the b roller) and at least one pair of have square concavo-convex 25 public affairs, female roll is (as Fig. 5, the c roller) constitutes, perhaps groove roll stacks 20 is successively by a pair of concavo-convex 27 public affairs of adjacent two shallow arc that have, female roll is (as Fig. 5, the c roller), at least one pair of has an adjacent shallow arc, concavo-convex 29 public affairs of one dark arc, female roll is (as Fig. 5, the d roller), at least one pair of has an adjacent shallow arc, dark trapezoidal concavo-convex 31 public affairs, female roll is (as Fig. 5, the e roller), at least one pair of has square concavo-convex 33 public affairs, female roll is (as Fig. 5, the f roller) constitutes, outside bending roll stacks 21 has the public affairs that bending angle is a 5-35 degree bending edge 35 by a pair of both sides successively, female roll is (as Fig. 6, the a roller), at least two pairs of both sides have the public affairs that bending angle progressively is increased to the bending edge 37 of 80-90 degree, female roll constitutes ((as Fig. 6, the b roller, the d roller, the e roller), bending roll in outside all is provided with corresponding with groove on the pipe that is bent concavo-convex 39, inner edge bending roll stacks 22 has the public affairs that bending angle is a 5-35 degree bending edge 40 by a pair of both sides successively, female roll is (as Fig. 6, the c roller), at least two pairs of both sides have the public affairs that bending angle progressively is increased to the bending edge 42 of 60-70 degree, female roll is (as Fig. 6, the d roller, the e roller), it is that the female roll 46 of the trapezoidal public roll 45 of 75-85 side 44 and the T shape that matches with it constitutes (as Fig. 6 that both sides have bending angle, the f roller), central roll 47 width of the female roll 46 of T shape and bottom roller 48 width of trapezoidal public roll 45 match, two outer flanging width of the width of two avris rollers, 49 sides 44 of the female roll 46 of T shape and gradient and the pipe that bent match, the width of the both sides roller 50 of trapezoidal public roll 45 and gradient and the pipe that bent two in the width of flangings match, the central roll 47 of the female roll 46 of the bottom roller 48 of trapezoidal public roll 45 and T shape is provided with corresponding with groove on the pipe that is bent concavo-convex 39, public, female roll is provided with corresponding with groove on the pipe that is bent concavo-convex 39 (as Fig. 6, the c roller), as shown in Figure 7, welding portion is mainly by the plug 52 that is fixed on the frame 17 and matches with pipe 55 endoporus that bent, delivery roll 53 by driven by motor, pad constitutes facing to the welding machine 54 of pipe to edge fit, plug 52 is by plug pull bar 52a, on the plug pull bar fixed block 52b fixed frame 17, on the pipe 61 in welding machine 54 pad the place aheads, be provided with weld seam depression bar 62, be made up of two or more roller 53a at delivery roll 53, the shape of the transfer surface 53b of roller 53a matches with the shape of the pipe 55 that is contacted.As shown in Figure 1, the back frame 17 of delivery roll 53 is provided with sizing actuator 56.Be provided with soldered polishing machine 57 at sizing actuator 56 and 53 of delivery rolls.Be sequentially provided with on-line continuous pipe burnishing device 58, polishing back machine straightening device 59, shearing device 60 in sizing actuator 56 back.

Claims (10)

1, a kind of method of producing heterotype tubing with steel plate, it is characterized in that vertically processing one or more than one grooves at banded steel plate earlier, then the butt joint of plate dual-side is rolled, again with the butt joint of the both sides of rolled-up plate and weld together, during welding, earlier rolled-up sleeve-board is advanced on the plug consistent with the roll bending hole size, move along the plug straight line with the moving rolled-up plate of two or more roller straps then, simultaneously, will weld along the edge fit of the butt joint of the straight-line rolled-up plate of plug continuously with welder.
2, method of producing heterotype tubing with steel plate according to claim 1, the surface that it is characterized in that driving the roller that rolled-up plate moves along the plug straight line matches with the surface of the rolled-up plate that is contacted.
3, method of producing heterotype tubing with steel plate according to claim 1, the processing that it is characterized in that the groove on the banded steel plate is come out by cold roll is cold rolling, its technical process is to realize like this, earlier with having shallow trapezoidal concavo-convex public affairs, female roll shuts out shallow trapezoidal, again on shallow trapezoidal basis with having dark trapezoidal concavo-convex public affairs, female roll shuts out trapezoidal deeply, at last on dark trapezoidal basis with having square concavo-convex public affairs, female roll shuts out square groove or with having the adjacent concavo-convex public affairs of two shallow arc, female roll shuts out adjacent two shallow arc groove, on two shallow arc grooves, use then and have an adjacent shallow arc, the concavo-convex public affairs of one dark arc, female roll shuts out an adjacent shallow arc groove, one dark arc groove, again at a shallow arc groove, on the one dark arc groove, with having an adjacent shallow arc, dark trapezoidal concavo-convex public affairs, female roll shuts out an adjacent shallow arc groove, dark dovetail groove, at last on dark dovetail groove with having square concavo-convex public affairs, female roll shuts out square groove.
4, method of producing heterotype tubing with steel plate according to claim 3, it is characterized in that the shallow dovetail groove that shuts out with concavo-convex male and female roll on the banded steel plate, the base of dark dovetail groove are the arc limit, shallow trapezoidal concavo-convex, the dark trapezoidal concavo-convex base on the corresponding concavo-convex male and female roll is an arc.
5, according to claim 1 or 3 described methods of producing heterotype tubing with steel plate, it is characterized in that with bending angle be outer side edges, the inner side edge bending Y degree of the male and female roll of Y degree with plate, and then plate outer side edges, inner side edge are bent the X-Y-Z degree again with male and female roll one step or more than the step, be that the male and female roll of X bends the Z degree again with plate outer side edges, inner side edge with bending angle at last, Y is the 10-35 degree, Z is the 3-10 degree, and X is the final angle of the required bending of plate.
6, method of producing heterotype tubing with steel plate according to claim 5, the outer side edges that it is characterized in that plate is bent into shallow arc, and behind the pipe welding fabrication, weld seam upwards arches up slightly, butt welded seam carries out polishing grinding then, makes its reinstatement by diameter-setting equipment afterwards.
7, a kind of equipment of producing heterotype tubing with steel plate, it is characterized in that mainly constituting by the cold rolling moulding section and the welding portion that are arranged on the frame, cold rolling moulding section is successively by the groove roll stacks of driven by motor, outside bending roll stacks by driven by motor, inner edge bending roll stacks by driven by motor constitutes, the groove roll stacks is successively by two pairs or more from shallow to deep trapezoidal concavo-convex public affairs of having, female roll and at least one pair of have square concavo-convex public affairs, female roll constitutes, perhaps the groove roll stacks has adjacent concavo-convex public affairs of two shallow arc by a pair of successively, female roll, at least one pair of has an adjacent shallow arc, the concavo-convex public affairs of one dark arc, female roll, at least one pair of has an adjacent shallow arc, dark trapezoidal concavo-convex public affairs, female roll, at least one pair of has square concavo-convex public affairs, female roll constitutes, outside bending roll stacks has the public affairs that bending angle is a 5-35 degree bending edge by a pair of both sides successively, female roll, at least two pairs of both sides have the public affairs that bending angle progressively is increased to the bending edge of 80-90 degree, female roll constitutes, bending roll in outside all is provided with corresponding with groove on the pipe that is bent concavo-convex, inner edge bending roll stacks has the public affairs that bending angle is a 5-35 degree bending edge by a pair of both sides successively, female roll, at least two pairs of both sides have the public affairs that bending angle progressively is increased to the bending edge of 60-70 degree, female roll, it is that the female roll of the trapezoidal public roll of 75-85 and the T shape that matches with it constitutes that both sides have bending angle, the central roll width of the female roll of T shape and the bottom roller width of trapezoidal public roll match, two outer flanging width of the width of two avris rollers of the female roll of T shape and gradient and the pipe that bent match, the width of the both sides roller of trapezoidal public roll and gradient and the pipe that bent two in the width of flangings match, the bottom roller of trapezoidal public roll is provided with corresponding with groove on the pipe that is bent concavo-convex, welding portion is mainly by the plug that is fixed on the frame and matches with the pipe orifice that is bent, delivery roll by driven by motor, pad constitutes facing to the welding machine of pipe to edge fit, delivery roll is made up of two or more rollers, and the shape of the transfer surface of roller matches with the shape of the pipe that is contacted.
8, the equipment with steel plate production heterotype tubing according to claim 7 is characterized in that the back frame of delivery roll is provided with the sizing actuator.
9, according to claim 7 or 8 described equipment, it is characterized in that between sizing actuator and delivery roll, being provided with the soldered polishing machine with steel plate production heterotype tubing.
10 equipment with steel plate production heterotype tubing according to claim 9 is characterized in that sizing actuator back is sequentially provided with on-line continuous pipe burnishing device, polishing back machine straightening device, shearing device.
CNB2005101017566A 2005-11-23 2005-11-23 Method and apparatus for producing heterotype tubing using steel plate Expired - Fee Related CN100376338C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005101017566A CN100376338C (en) 2005-11-23 2005-11-23 Method and apparatus for producing heterotype tubing using steel plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005101017566A CN100376338C (en) 2005-11-23 2005-11-23 Method and apparatus for producing heterotype tubing using steel plate

Publications (2)

Publication Number Publication Date
CN1788873A true CN1788873A (en) 2006-06-21
CN100376338C CN100376338C (en) 2008-03-26

Family

ID=36787099

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005101017566A Expired - Fee Related CN100376338C (en) 2005-11-23 2005-11-23 Method and apparatus for producing heterotype tubing using steel plate

Country Status (1)

Country Link
CN (1) CN100376338C (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101890428A (en) * 2010-07-16 2010-11-24 罗兆祥 Valve blade section mill special for fire protection and heat ventilation
CN102125942A (en) * 2010-09-07 2011-07-20 上海豪艺莱冷弯型钢有限公司 Process for molding cold-bending welded special pipe with trapezoid cross section
CN102785057A (en) * 2011-05-16 2012-11-21 中国二十冶集团有限公司 Method for rolling steel plate into cylinder free from prebending
CN103480684A (en) * 2013-09-22 2014-01-01 武汉钢铁(集团)公司 Method for cold roll forming of D-shaped section steel
CN103764308A (en) * 2011-08-31 2014-04-30 日新制钢株式会社 Manufacturing method and manufacturing equipment for small diameter metal tube
CN103862293A (en) * 2012-12-10 2014-06-18 信宜市汇美电器有限公司 Sealing device of hollow profile
CN103861969A (en) * 2012-12-10 2014-06-18 信宜市汇美电器有限公司 Production line of hollow profile
CN104307923A (en) * 2014-08-27 2015-01-28 陕西新精密合金有限责任公司 Processing method for nickel iron low-carbon steel iron-nickel- cobalt alloy special pipe material
CN108246859A (en) * 2018-01-31 2018-07-06 厦门众欣金属制品有限公司 Single lead screw ex truding briquetting machine
CN108746264A (en) * 2018-05-18 2018-11-06 张玉芙 Fully-automatic packaging steel band wears button bending cut-out all-in-one machine and wears button bending method
CN110328533A (en) * 2019-06-24 2019-10-15 杨元恒 A kind of two-wire metal square and rectangular pipe forming soldering machine group
CN110586708A (en) * 2019-09-20 2019-12-20 厦门绿世界温室工程技术有限公司 Integrated production equipment and method for greenhouse arch bars
CN111215791A (en) * 2018-11-26 2020-06-02 晟通科技集团有限公司 Seam welder for welding plates
CN112355108A (en) * 2020-10-23 2021-02-12 南京德邦金属装备工程股份有限公司 Forming method of large-diameter corrugated pipe expansion joint
CN112355663A (en) * 2021-01-13 2021-02-12 佛山市卓粤建澜机械科技有限公司 Efficient polishing-free automatic pipe making machine and pipe making method
CN112588912A (en) * 2020-12-16 2021-04-02 黄秀兰 Ridging device for sheet metal working
CN113305173A (en) * 2021-07-08 2021-08-27 金乡县龙翔机械有限公司 Thin-wall metal groove special pipe and processing production method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60221122A (en) * 1984-04-17 1985-11-05 Hitachi Zosen Corp Manufacture of square steel tube
CN2197141Y (en) * 1994-06-14 1995-05-17 天津市东丽金属框架型材厂 Sealed cooling-bending material with wings
CN1170642A (en) * 1996-07-17 1998-01-21 东北重型机械学院南校 Double layer roll welded pipe with internal screw groove and its producing method
CN1235883A (en) * 1998-05-15 1999-11-24 姜堰市环球制管厂 Cold-bending steel closed-end combination process
CN2420080Y (en) * 2000-04-13 2001-02-21 占金弟 Fixiing core block for rolling cold bending section

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101890428A (en) * 2010-07-16 2010-11-24 罗兆祥 Valve blade section mill special for fire protection and heat ventilation
CN102125942A (en) * 2010-09-07 2011-07-20 上海豪艺莱冷弯型钢有限公司 Process for molding cold-bending welded special pipe with trapezoid cross section
CN102125942B (en) * 2010-09-07 2013-02-13 上海豪艺莱冷弯型钢有限公司 Process for molding cold-bending welded special pipe with trapezoid cross section
CN102785057A (en) * 2011-05-16 2012-11-21 中国二十冶集团有限公司 Method for rolling steel plate into cylinder free from prebending
CN103764308A (en) * 2011-08-31 2014-04-30 日新制钢株式会社 Manufacturing method and manufacturing equipment for small diameter metal tube
CN103764308B (en) * 2011-08-31 2015-07-15 日新制钢株式会社 Manufacturing method and manufacturing equipment for small diameter metal tube
CN103862293A (en) * 2012-12-10 2014-06-18 信宜市汇美电器有限公司 Sealing device of hollow profile
CN103861969A (en) * 2012-12-10 2014-06-18 信宜市汇美电器有限公司 Production line of hollow profile
CN103861969B (en) * 2012-12-10 2016-01-06 信宜市汇美电器有限公司 A kind of production line of hollow profile
CN103480684A (en) * 2013-09-22 2014-01-01 武汉钢铁(集团)公司 Method for cold roll forming of D-shaped section steel
CN104307923A (en) * 2014-08-27 2015-01-28 陕西新精密合金有限责任公司 Processing method for nickel iron low-carbon steel iron-nickel- cobalt alloy special pipe material
CN108246859A (en) * 2018-01-31 2018-07-06 厦门众欣金属制品有限公司 Single lead screw ex truding briquetting machine
CN108746264A (en) * 2018-05-18 2018-11-06 张玉芙 Fully-automatic packaging steel band wears button bending cut-out all-in-one machine and wears button bending method
CN111215791A (en) * 2018-11-26 2020-06-02 晟通科技集团有限公司 Seam welder for welding plates
CN111215791B (en) * 2018-11-26 2021-11-09 晟通科技集团有限公司 Seam welder for welding plates
CN110328533A (en) * 2019-06-24 2019-10-15 杨元恒 A kind of two-wire metal square and rectangular pipe forming soldering machine group
CN110586708A (en) * 2019-09-20 2019-12-20 厦门绿世界温室工程技术有限公司 Integrated production equipment and method for greenhouse arch bars
CN112355108A (en) * 2020-10-23 2021-02-12 南京德邦金属装备工程股份有限公司 Forming method of large-diameter corrugated pipe expansion joint
CN112588912A (en) * 2020-12-16 2021-04-02 黄秀兰 Ridging device for sheet metal working
CN112588912B (en) * 2020-12-16 2023-12-29 重庆兴意电梯部件有限公司 Ridging device for sheet metal machining
CN112355663A (en) * 2021-01-13 2021-02-12 佛山市卓粤建澜机械科技有限公司 Efficient polishing-free automatic pipe making machine and pipe making method
CN112355663B (en) * 2021-01-13 2021-04-13 佛山市卓粤建澜机械科技有限公司 Efficient polishing-free automatic pipe making machine and pipe making method
CN113305173A (en) * 2021-07-08 2021-08-27 金乡县龙翔机械有限公司 Thin-wall metal groove special pipe and processing production method thereof
CN113305173B (en) * 2021-07-08 2023-02-17 金乡县龙翔机械有限公司 Thin-wall metal groove special pipe and processing production method thereof

Also Published As

Publication number Publication date
CN100376338C (en) 2008-03-26

Similar Documents

Publication Publication Date Title
CN100376338C (en) Method and apparatus for producing heterotype tubing using steel plate
CA2288421C (en) Bending rolls, and pipe formed thereby
RU2551722C2 (en) Moulding process and machine
JP2008539083A (en) Production line and method for forming and processing profiles
CN106041420A (en) Barrel rolling technology
US7451631B2 (en) Spiral pipe machine
US9266161B2 (en) Production line of large diameter longitudinal welded pipe
KR100809942B1 (en) Unequally thick rim, and method of manufacturing the rim
AU2009318922B2 (en) Production-optimized process for producing a multilayer pipe
CN109277444B (en) Leveling rib pressing machine, using method thereof and air pipe production line
CN110788175A (en) Roll bending forming method and device for straight edge of pipe to be welded
CN102189150B (en) Apparatus for producing a flat tube and method of producing a flat tube
CN202877271U (en) Production unit for processing stainless steel threaded corrugated pipe
CN109772950B (en) Metal welded pipe forming device with common roller and operation method thereof
EP3778050B1 (en) Method and device for bending edge of steel plate, and steel pipe manufacturing method and equipment
CN104249089B (en) Method for manufacturing rectangular laser welded pipe
JP4187663B2 (en) Manufacturing method of high workability welded pipe
JP5515423B2 (en) Large coil manufacturing equipment for ERW steel pipes
JP6566232B1 (en) Steel plate end bending method and apparatus, and steel pipe manufacturing method and equipment
KR101526342B1 (en) Manufacturing method and manufacturing equipment for small diameter metal tube
JP2004148337A (en) Method for forming joined part of welded steel pipe and apparatus for producing the welded steel pipe
CN116141024B (en) Medium longitudinal submerged arc welded pipe production equipment and technology
JPH0732049A (en) Formation of uoe steel pipe
CN106470773B (en) Method and apparatus for manufacturing metal plate tubulation shape thermal insulation element
EP3778051B1 (en) Edge bending method and apparatus of steel plate, and method and facility for manufacturing steel pipe

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080326

Termination date: 20121123