CN101676044B - Molding processing device of metal spiral welded pipe - Google Patents

Molding processing device of metal spiral welded pipe Download PDF

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Publication number
CN101676044B
CN101676044B CN 200810222620 CN200810222620A CN101676044B CN 101676044 B CN101676044 B CN 101676044B CN 200810222620 CN200810222620 CN 200810222620 CN 200810222620 A CN200810222620 A CN 200810222620A CN 101676044 B CN101676044 B CN 101676044B
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CN
China
Prior art keywords
sleeve
rolling bearing
ball
pipe
molding
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 - Fee Related
Application number
CN 200810222620
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Chinese (zh)
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CN101676044A (en
Inventor
俞建荣
凌星中
吴波
刘运良
李合增
赵增慧
王保山
凌峰
陈海洋
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Beijing Institute of Petrochemical Technology
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Beijing Institute of Petrochemical Technology
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Priority to CN 200810222620 priority Critical patent/CN101676044B/en
Publication of CN101676044A publication Critical patent/CN101676044A/en
Application granted granted Critical
Publication of CN101676044B publication Critical patent/CN101676044B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a molding processing device of a metal spiral welding pipe, which is mainly composed of a molding mould (1) and a molding angle adjustor (2), wherein, the molding mould (1) comprises an outer sleeve (11), a ball (17), ball retainers (16), a sizing sleeve (15), rolling bearings (14), a lantern ring (12) and a chassis bracket (18), wherein, each ball retainer (16) is fixed between the inner wall of the outer sleeve (11) and a molding pipe fitting (20); the rolling bearing (14) and the sizing sleeve (15) are installed between the two ball retainers (16); the lantern ring (12) is installed between the rolling bearings (14); a welding gun manhole (111) is arranged on the outer sleeve (11) and the lantern ring (12); the outer sleeve (11) is installed on and connected to the chassis bracket (18); and the molding mould (1) adjusts the molding angle through a molding angle adjustor (2) which is connected with the molding mould (1). The invention has low molding resistance, high molding precision, regular pipe molding, high precision of butt joint of the welding lines, simple structure, simple usage and maintenance and simple and easy repair.

Description

Molding processing device of metal spiral welded pipe
Technical field
The present invention relates to a kind of forming manufacturing equipment of metal screwed pipe, especially relate to molding processing device of metal spiral welded pipe.
Background technology
At present, metal spiral welded tube forming device generally has two types both at home and abroad: a kind of is the sleeve forming device of sliding friction, and another kind is based on the full roller shell former of the rolling friction of three roll bending plate principles.The former moulding is accurate, good to be adjusted, but frictional resistance is large, water oil lubrication must for the friction surface of sleeve and pipe, therefore destroy easily welding surroundings, weld seam produces pore easily, the spiral welded pipe of producing simultaneously has very large residual stress, has reduced reliability and the service life of steel pipe, only uses this former to produce low pressure pipeline in handing over frequently weldering at present; What the full roller shell former of the latter adopted is rolling friction, thereby shaping resistance is little, and need not water oil, welding surroundings is good, the spiral welded pipe that the long feed-line of major diameter is commonly used at present all adopts this former, but because it adopts the double-submerged arc manufacturing, causes its moulding and guiding mechanism complicated, the accent type is time-consuming, take material, and is difficult to point-device assurance weld gap.Particularly for thin-walled spiral welded pipe and accurate with the double metal spiral welded tube requirement moulding of layer of precious metal, guarantee minimum weld gap, and adopt fusing process of intermediate, thereby above-mentioned two kinds of formers all are difficult to meet the need.
Therefore, design a kind of novel manufacturing thin-walled spiral welded pipe and be very necessary with the forming processing device of the double metal spiral welded tube of layer of precious metal.
Summary of the invention
According to background technology, the object of the invention is to avoid above-mentioned deficiency, provide a kind of and can accurately guarantee Forming Quality and weld gap and joint quality, can implement in high quality molten solder again, and shaping resistance is very little, for the manufacture of the thin-walled spiral welded pipe and with the forming processing device of the double metal spiral welded tube of layer of precious metal.
To achieve these goals, the present invention is achieved through the following technical solutions:
A kind of forming processing device of metal spiral welded tube, mainly formed by shaping mould (1) and forming angle adjuster (2), wherein: the member outer sleeve (11) that forms shaping mould (1) is fixedly connected with the V-type part (19) of chassis seating (18), outer sleeve (11) one ends are provided with the strip material mouthful A that goes forward one by one, the other end is provided with the outlet B of moulding pipe (20), and be bolted end cap (13) in this end, outer sleeve (11) is front, after ball (17) all is installed, between two outside outer sleeves (11) of rolling bearing (14) and moulding pipe (20), be respectively arranged with ball retainer (16), ball (17) is fixed between outer sleeve (11) inwall and the moulding pipe (20) by ball retainer (16), one collar (12) is installed in the middle of rolling bearing (14), the periphery of the collar (12) and outer sleeve (11) inwall are by being tightly fixed, its inner headed face directly contacts with moulding pipe (20), position at the collar (12) place, upward respectively have a welding gun hand-hole (111) with the upper position corresponding with it of outer sleeve (11) at the collar (12), at the collar (12) rolling bearing (14) is set each side, between the inner ring of rolling bearing (14) and moulding pipe (20), sizing sleeve (15) is installed, rotating disk (21) is fixedly connected with chassis seating (18) by bolt, and outer sleeve (11) is adjusted forming angle by coupled forming angle adjuster (2).
Ball (17) vertically helix is evenly distributed on the ball retainer (16), and its helical angle is consistent with the moulding pitch angle alpha will of made pipe fittings.
Rolling bearing (14) and sizing sleeve (15) are installed between two ball retainers (16), adopt interference fit in a small amount between the outer ring of rolling bearing (14) and outer sleeve (11) inwall, relatively maintain static between them keeping, sizing sleeve (15) is fixed between the inner ring and moulding pipe (20) of rolling bearing (14), closely cooperate with rolling bearing (14) inner ring, and can rotate along with rolling bearing inner ring.
The collar (12) is fixedly mounted in the middle of the rolling bearing (14), and the midline position of its width coincides with the C place, half pitch position of relative moulding pipe (20).
Forming angle adjuster (2) is by rotating disk (21), rotating shaft (22), worm gear (23), worm screw (24) and pedestal (25) consist of, its shaft (22) is fixedly connected with rotating disk (21) by metallic bond, worm gear (23) is fixed in the rotating shaft (22), and worm gear (23) is intermeshing with worm screw (24).
The internal diameter of sizing sleeve (15) is consistent with the final diameter of moulding pipe (20) moulding of wanting, and is sliding friction between them.
Owing to adopted technique scheme, the present invention to have following advantage and effect:
1, the present invention has installed in shaping mould outer sleeve inwall and has been in a large number the ball that helix distributes, its helical angle is consistent with the helical angle of the spiral welded pipe that will make, steel band carries out spiral forming at ball, reduced greatly the frictional resistance in the forming process, do not need oilyly, thereby do not have lubricant pollution.
2, the present invention is because the precision of the size of sleeve, ball and sizing sleeve is all higher, effectively guaranteed the Forming Quality of helix tube, and process sizing sleeve and the collar is orthopedic, effectively overcome because the pipe fitting diameter that the screen resilience of depositing after rolling into steel causes is regular not, and the docking of the weld seam shortcoming such as concordant dislocation not, for welding provides more favourable environment, thereby further improved significantly moulding and the welding quality of helix tube, therefore also just greatly reduced the defective of helix tube.
3, worm gear-endless screw governor motion of the present invention is simple in structure, and angular adjustment control accurately so that the forming angle adjuster forming angle of adjustable screw welded tube effectively, thereby can well guarantee in the axial direction weld gap.
Description of drawings
Fig. 1 is structure collectivity cross-sectional schematic of the present invention
Fig. 2 is the A-A cross-sectional schematic of Fig. 1 of the present invention
The specific embodiment
Illustrated by Fig. 1 and Fig. 2, a kind of forming processing device of metal spiral welded tube, mainly formed by shaping mould 1 and forming angle adjuster 2, wherein: the member outer sleeve 11 that forms shaping mould 1 is fixedly connected with the V-type part 19 of chassis seating 18, outer sleeve 11 1 ends are provided with the strip material mouthful A that goes forward one by one, so that going forward one by one with steel, the other end is provided with the outlet B of moulding pipe 20, and be bolted end cap 13 in this end, before the outer sleeve 11, after ball 17 all is installed, between two outside outer sleeves 11 of rolling bearing 14 and moulding pipe 20, be provided with ball retainer 16, ball 17 is fixed between outer sleeve 11 inwalls and the moulding pipe 20 by ball retainer 16, one collar 12 is installed in the middle of rolling bearing 14, the periphery of the collar 12 and outer sleeve 11 inwalls are by being tightly fixed, its inner headed face directly contacts with moulding pipe 20, position at the collar 12 places, on the collar 12 with outer sleeve 11 on the position corresponding with it respectively have a welding gun hand-hole 111, left and right sides at the collar 12 respectively arranges a rolling bearing 14, between the inner ring of rolling bearing 14 and moulding pipe 20, sizing sleeve 15 is installed, rotating disk 21 is fixedly connected with chassis seating 18 by bolt, and outer sleeve 11 is adjusted forming angle by coupled forming angle adjuster 2.
The collar 6 is installed in the middle of the rolling bearing, and its periphery and outer sleeve inwall connect as one by being tightly fixed, and its inner headed face directly contacts with moulding pipe, and the center line of its width overlaps with the half pitch position of helix tube.
Ball 17 vertically helix is evenly distributed on the ball retainer 16, and its pitch angle alpha will is consistent with the moulding helical angle of made pipe fittings.
Rolling bearing 14 and sizing sleeve 15 are installed between two ball retainers 16, adopt interference fit in a small amount between the outer ring of rolling bearing 14 and outer sleeve 11 inwalls, to keep their relative positions to maintain static, sizing sleeve 15 is fixed between the inner ring and moulding pipe 20 of rolling bearing 14, closely cooperate with rolling bearing 14 inner rings, so that they are fixedly installed togather, sizing sleeve 15 can drive rolling bearing 14 under the drive with the circumferential frictional force of steel inner ring is done together and is rotated in a circumferential direction, along with rolling bearing 14 inner rings rotate.
The collar 12 is fixedly mounted in the middle of the rolling bearing 14, and the midline position of its width coincides with the C place, half pitch position of relative moulding pipe 20.
Forming angle adjuster 2 is by rotating disk 21, rotating shaft 22, and worm gear 23, worm screw 24 and pedestal 25 consist of, and its shaft 22 is fixedly connected with rotating disk 21 by metallic bond, and worm gear 23 is fixed in the rotating shaft 22, and worm gear 23 and worm screw 24 are intermeshing.
The internal diameter of sizing sleeve 15 is consistent with the final diameter of moulding pipe 20 moulding of wanting, and is sliding friction between them.
In the helix tube forming process, can basically can regard shaping mould 1 as outer sleeve 11 that many balls 17 are installed on the inwall, when the band steel is advanced in the shaping mould 1 by brute force with a certain special angle mouthful A that gone forward one by one by strip material continuously by delivery apparatus, under the effect of ball 17, namely automatically in mould, roll into helical form with steel, helical form band steel is through sizing sleeve 15 and the collar 12 carries out diameter and the weld seam adjustment makes moulding more regular, the weld seam merging precision is higher, and with fusing process of intermediate or by spot welding it is welded into helix tube at half pitch place.To the individual layer thin walled helical tube, only need to carry out at pipe fitting half pitch place the welding that melting welding just can be finished pipe fitting, and for thicker metal tube and the bimetal tube that needs to adopt silk filling of tube wall, the molten bath has outstanding then can carry out local spot welding at half pitch place first, then carries out precision welding at one or one and half pitch places again.Because shaping mould 1 is fixed on the forming angle adjuster 2, forming angle adjuster 2 is the worm gear-endless screw system, when rotary worm, can drive shaping mould 1 by worm gear 23 and rotate, thus the adjusting of realization forming angle.
Send with the brute force that deformation force and the propulsive force of steel all derives from delivery apparatus, wherein most radial deformation power are passed to ball 17 by the band steel, ball 17 is directly passed to outer sleeve 11, few part radial deformation power is when helical form band steel process sizing sleeve 15, pass to sizing sleeve 15 by the band steel, sizing sleeve 15 passes to rolling bearing 14 again, and rolling bearing 14 passes to outer sleeve 11; Owing to be sliding friction between sizing sleeve 15 and the moulding pipe 20, so most of axial advance power passes to sizing sleeve 15 by the band steel, 15 in sizing sleeve passes to rolling bearing 14 with power, rolling bearing 14 passes to power the ball retainer 16 of shaping mould rear end again, then on institute's end cap that is delivered to 13, end cap 13 finally passes to outer sleeve 11 by connecting bolt; And wherein the small part axial force has passed to ball 17 by the band steel, ball 17 passes to power again ball retainer 16, the ball retainer 16 of front end is successively passed to end cap 13 through the ball retainer 16 of rolling bearing 14 and rear end with power again, pass at last outer sleeve 11, and the ball retainer 16 of rear end is directly passed to power end cap 13, passes at last outer sleeve 11.All have the hole of a Φ 30 on outer sleeve 11 and the collar 12 with respect to the upper end at pipe fitting half pitch place, its purposes is exactly that the rifle head of melting welding or spot-welding gun can be stretched in the mould, aims at weld seam and implements welding.

Claims (6)

1. the forming processing device of a metal spiral welded tube, mainly formed by shaping mould (1) and forming angle adjuster (2), it is characterized in that: form the member outer sleeve (11) of shaping mould (1) and the V-type part (19) of chassis seating (18) and be bolted to connection, outer sleeve (11) one ends are provided with the strip material mouthful A that goes forward one by one, its other end is provided with the outlet B of moulding pipe (20), and be bolted end cap (13) in this end, outer sleeve (11) is front, after ball (17) all is installed, two outsides at rolling bearing (14), be provided with ball retainer (16) between outer sleeve (11) and the moulding pipe (20), ball (17) is fixed between outer sleeve (11) inwall and the moulding pipe (20) by ball retainer (16), one collar (12) is installed in the middle of rolling bearing (14), the periphery of the collar (12) and outer sleeve (11) inwall are by being tightly fixed, its inner headed face directly contacts with moulding pipe (20), between the inner ring of rolling bearing (14) and moulding pipe (20), sizing sleeve (15) is installed, position at the collar (12) place, upward with on outer sleeve (11) position corresponding with it respectively have a welding gun hand-hole (111) at the collar (12), rotating disk (21) is fixedly connected with chassis seating (18) by bolt, and shaping mould (1) is adjusted forming angle by coupled forming angle adjuster (2).
2. the forming processing device of metal spiral welded tube according to claim 1, it is characterized in that: described ball (17) vertically helix is evenly distributed on the ball retainer (16), and its helical angle is consistent with the moulding pitch angle alpha will of made pipe fittings.
3. the forming processing device of metal spiral welded tube according to claim 1, it is characterized in that: described rolling bearing (14) and sizing sleeve (15) are installed between two ball retainers (16), adopt interference fit in a small amount between the outer ring of rolling bearing (14) and outer sleeve (11) inwall, sizing sleeve (15) is fixed between the inner ring and moulding pipe (20) of rolling bearing (14), closely cooperate with rolling bearing (14) inner ring, and can rotate along with rolling bearing inner ring.
4. the forming processing device of metal spiral welded tube according to claim 1, it is characterized in that: the internal diameter of described sizing sleeve (15) is consistent with the final diameter of moulding pipe (20) moulding of wanting, and is sliding friction between them.
5. the forming processing device of metal spiral welded tube according to claim 1, it is characterized in that: the described collar (12) is fixedly mounted in the middle of the rolling bearing (14), and the midline position of its width coincides with the C place, half pitch position of relative moulding pipe (20).
6. the forming processing device of metal spiral welded tube according to claim 1, it is characterized in that: described forming angle adjuster (2) is by rotating disk (21), rotating shaft (22), worm gear (23), worm screw (24) and pedestal (25) consist of, its shaft (22) is fixedly connected with rotating disk (21) by metallic bond, and worm gear (23) is fixed in the rotating shaft (22), and worm gear (23) is intermeshing with worm screw (24).
CN 200810222620 2008-09-19 2008-09-19 Molding processing device of metal spiral welded pipe Expired - Fee Related CN101676044B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200810222620 CN101676044B (en) 2008-09-19 2008-09-19 Molding processing device of metal spiral welded pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200810222620 CN101676044B (en) 2008-09-19 2008-09-19 Molding processing device of metal spiral welded pipe

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CN101676044B true CN101676044B (en) 2013-01-02

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103567707B (en) * 2012-07-20 2016-05-04 北京隆盛泰科石油管科技有限公司 A kind of welding production method of spiral seam submerged arc welding steel pipe

Citations (4)

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Publication number Priority date Publication date Assignee Title
JP3234750B2 (en) * 1995-07-24 2001-12-04 株式会社コプロス Spiral steel pipe forming machine
CN2487463Y (en) * 2001-04-13 2002-04-24 中国石油化工股份有限公司 Device for forming and processing metallic helically welded pipe
DE10261134A1 (en) * 2002-12-21 2004-07-01 Hubert Riedl Spiral tube bending and welding machine for making thin sheet tubes has welding device fitted in calibrating shell on same axis as one of rolls
CN201257457Y (en) * 2008-09-19 2009-06-17 北京石油化工学院 Device for forming and processing metallic helically welded pipe

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Publication number Priority date Publication date Assignee Title
FR2487704B1 (en) * 1980-07-29 1984-03-16 Pont A Mousson

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3234750B2 (en) * 1995-07-24 2001-12-04 株式会社コプロス Spiral steel pipe forming machine
CN2487463Y (en) * 2001-04-13 2002-04-24 中国石油化工股份有限公司 Device for forming and processing metallic helically welded pipe
DE10261134A1 (en) * 2002-12-21 2004-07-01 Hubert Riedl Spiral tube bending and welding machine for making thin sheet tubes has welding device fitted in calibrating shell on same axis as one of rolls
CN201257457Y (en) * 2008-09-19 2009-06-17 北京石油化工学院 Device for forming and processing metallic helically welded pipe

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Title
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JP特许第3234750号B2 2001.09.21
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