CN112718927A - Pipe blank flange indent correction equipment for steel pipe production - Google Patents
Pipe blank flange indent correction equipment for steel pipe production Download PDFInfo
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- CN112718927A CN112718927A CN202011412592.XA CN202011412592A CN112718927A CN 112718927 A CN112718927 A CN 112718927A CN 202011412592 A CN202011412592 A CN 202011412592A CN 112718927 A CN112718927 A CN 112718927A
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- frame
- pipe
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- steel pipe
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- 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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
Abstract
The invention discloses pipe blank plate edge inward-concave correcting equipment for steel pipe production, which comprises an extrusion roller frame and a shaping frame, wherein a rotary compression roller is rotatably arranged between the extrusion roller frame and the shaping frame, the middle part of the shaping frame is fixedly connected with an inward-concave correcting mechanism, and the inward-concave correcting mechanism comprises an upright base frame and a driven edge pressing rod; the vertical base frame is fixedly arranged in the middle of the lower side of the shaping frame, a shifting chute is formed in the middle of the vertical base frame, a longitudinal moving sliding block is connected in the shifting chute in a sliding mode, and an inner jacking assembly used for driving the longitudinal moving sliding block to slide in the shifting chute is arranged at the lower portion of the vertical base frame; driven blank pressing rod sets up to two, and two follow blank pressing rod rotate respectively and set up in the lower part of upright bed frame, and driven blank pressing rod is close to the coaxial fixedly connected with of upright bed frame one end and follows the rotary gear. According to the invention, the rolling correction treatment is carried out on the inward concave deformation part of the inner wall of the tube blank in the swinging process of the secondary side pressing rod, so that the quality reduction of a welding seam caused by inward concave of the tube blank is reduced. The pipe shape quality of the welded pipe is improved.
Description
Technical Field
The invention relates to the technical field of straight welded pipe production equipment, in particular to pipe blank plate edge inward-concave correction equipment for steel pipe production.
Background
Straight welded pipes are known as straight welded pipes, and pipes obtained by straight welding steel pipes made of hot-rolled or cold-rolled steel sheets or coil-welded steel strips on a welding apparatus are also known as straight welded pipes. The pipe can be roughly divided into scaffold pipes, fluid pipes, wire sleeves, support pipes, guardrail pipes and the like according to different purposes. The straight welded pipe is because its production shaping is very fast, can adjust the pipe type diameter specification as required to adapt to different customers' welded pipe demand, consequently the wide application is in the production process of steel pipe, and wherein the production processes of straight welded pipe mainly includes: uncoiling strip steel, shearing and butt welding, extruding and forming, welding pipe blanks, cutting in sections, blanking and packaging.
The prior granted patent publication No. CN202763262U discloses an on-line continuous internal welding device for a longitudinal submerged arc welded steel pipe, wherein a frame is an independent steel pipe forming joint closing extrusion frame, and a welding seam of the frame is arranged below a pipe blank; an inner welding device is arranged on the frame. The utility model discloses online continuous internal welding set of longitudinal submerged arc welded steel pipe can satisfy the thick longitudinal submerged arc welded steel pipe that is 6-25.4 mm, pipe diameter phi 219 mm ~ phi 711 mm of board and carries out continuous molding, and continuous internal welding has the characteristics that the weld quality dissolves deeply evenly, and the penetrability is strong.
According to the technical scheme, the strip steel can be rolled and extruded into the tube blank through the forming joint extrusion base frame, but the surfaces of extrusion rollers selected by part of the forming base frame are uneven, so that the bending deformation of the edges of the tube blank is excessive, the inward bending of the joint opening of the tube blank is excessive, the edges of the tube blank on two sides of the welding joint are inwards concave, and the inward concave forming joint is formed at the welding joint position after the tube blank is jointed, so that the tube quality of a welded tube is influenced.
Disclosure of Invention
The invention aims to provide pipe blank plate edge inward-concave correcting equipment for steel pipe production, which can correct the plate edge of a pipe blank, reduce inward-concave forming seams caused by excessive bending of the plate edge and improve the pipe shape quality of a welded pipe.
The invention is realized by the following technical scheme:
a pipe blank plate edge inward-concave correcting device for steel pipe production comprises an extrusion roller frame and a shaping frame, wherein a rotary press roller is rotatably arranged between the extrusion roller frame and the shaping frame, the middle part of the shaping frame is fixedly connected with an inward-concave correcting mechanism, and the inward-concave correcting mechanism comprises an upright base frame and a driven edge pressing rod; the vertical base frame is fixedly arranged in the middle of the lower side of the shaping frame, a shifting chute is formed in the middle of the vertical base frame, a longitudinal moving sliding block is connected in the shifting chute in a sliding mode, and an inner jacking assembly used for driving the longitudinal moving sliding block to slide in the shifting chute is arranged at the lower portion of the vertical base frame; the driven blank pressing rods are arranged in two numbers, the two driven blank pressing rods are respectively and rotatably arranged at the lower part of the vertical base frame, one end of each driven blank pressing rod, which is close to the vertical base frame, is coaxially and fixedly connected with a driven rotating gear, and two ends of the longitudinal movement sliding block are respectively and fixedly connected with linkage gear rods which are in meshed connection with the driven rotating gear.
By adopting the technical scheme, the longitudinal movement of the longitudinal movement sliding block drives the driven rotating gear and the driven edge pressing rod on two sides to swing in a reciprocating mode, so that the inward concave deformation position of the inner wall of the tube blank is rolled and corrected in the swinging process of the driven edge pressing rod, and the quality reduction of a welding seam caused by inward concave of the tube blank is reduced. The pipe shape quality of the welded pipe is improved.
Further setting the following steps: the inner ejection assembly comprises an inner ejection sliding rod and a welt rotating wheel, the welt rotating wheel is rotatably arranged on the lower portion of the vertical base frame and is attached to the inner wall of a tube blank to roll, the welt rotating wheel is fixedly connected with a rotating cam coaxially, the inner ejection sliding rod is slidably arranged on the lower portion of the vertical base frame, the upper end of the inner ejection sliding rod is fixedly connected with a longitudinal moving sliding block, the lower end of the inner ejection sliding rod is attached to and slides on the outer wall of the rotating cam, a compression spring is sleeved on the inner ejection sliding rod, and the compression spring is fixedly connected with the lower end.
Through adopting above-mentioned technical scheme, when the welt runner laminating pipe inner wall in the top subassembly rotated, the rotating cam drove the interior top slide bar rebound with it laminating to make interior top slide bar promote to indulge the slider up-shifting, and then drive two swings from the dynamic pressure limit pole, when the top slide bar moves down in compression spring promotes, drive and indulge the slider and move down, thereby under the cooperation of rotating cam and compression spring, make driven blank holder pole carry out the roll-in correction to the pipe indent.
Further setting the following steps: the lower end of the inner ejection sliding rod is fixedly connected with a hemispherical sliding block, and the inner ejection sliding rod slides in abutting connection with the outer part of the rotating cam through the hemispherical sliding block.
Through adopting above-mentioned technical scheme, including the fixed hemisphere slider that sets up of top slide bar lower extreme, reduce the friction when hemisphere slider laminating rotating cam slides to make rotating cam can smoothly drive the longitudinal sliding of top slide bar in when rotating.
Further setting the following steps: the lower part of the vertical base frame is provided with a long-strip sliding hole, the inner top sliding rod is inserted into the long-strip sliding hole, and the inner top sliding rod is attached to the inner wall of the long-strip sliding hole to slide.
Through adopting above-mentioned technical scheme, the rectangular slide opening of the bed frame lower part of standing vertically makes the interior top slide bar keep laminating in the inside slip of rectangular slide opening to the stability of top slide bar when the bed frame lower part of standing vertically slides in the improvement reduces the vertical slip of interior top slide bar and rocks.
Further setting the following steps: the equal fixedly connected with of both sides of stock frame is extended the crossbearer, the back of extending crossbearer lower extreme fixedly connected with and the laminating of pipe surface supports the clamp plate.
Through adopting above-mentioned technical scheme, the back that the design frame both sides set up supports the clamp plate, when laminating in the pipe, carries on spacingly to the pipe billet outside to make driven blank holder butt pipe laminate in back support clamp plate inner wall, improve the efficiency that driven blank holder carries out the extrusion to pipe indent department.
Further setting the following steps: epitaxial crossbearers set up to two, two epitaxial crossbearers set up side by side on the design frame, two epitaxial crossbearer lower extreme all supports clamp plate fixed connection with the back.
Through adopting above-mentioned technical scheme, set up two with the crossbearer of extending, make two crossbearers of extending support the clamp plate upper portion to carry out the butt to keeping the horizontality of the crossbearer of extending, making the back support the clamp plate steadily to accept from the butt pressure of dynamic pressure limit pole, keep the spacing effect that the back support the clamp plate warp to the pipe.
Further setting the following steps: the rear pressing plate is of an arc-shaped structure, and the arc-shaped structure of the rear pressing plate is attached to the outer side of the tube blank.
Through adopting above-mentioned technical scheme, support the clamp plate behind and set up to the arc structure, make the back support the clamp plate and laminate in the pipe outside completely, when the correction process of driven blank holder outer end rotated to pipe upper portion, the back supported the clamp plate and carries on spacingly to the pipe that driven blank holder pushed the deformation.
Further setting the following steps: the rear pressing plate is provided with a smooth surface at the lower side, and the rear pressing plate is attached to and slides with the surface of the tube blank through the smooth surface.
Through adopting above-mentioned technical scheme, the smooth surface that the back supports the pressure plate downside and sets up is convenient for reduce the back and supports the friction when the pressure plate laminating fits the pipe surface, reduces the pipe and supports the influence of pressure plate after when the extrusion roller frame internal transmission.
Further setting the following steps: and one end of the driven dynamic pressure side rod, which is far away from the rotating shaft, is rotatably provided with a correction pinch roller, and the correction pinch roller is attached to the inner wall of the tube blank to roll.
Through adopting above-mentioned technical scheme, rotate the correction pinch roller that sets up on driven blank holder, make driven blank holder change the roll correction of correction pinch roller into by the slip from the blank holder to the correction mode of pipe to reduce because of the butt rotation of following the blank holder.
In conclusion, the beneficial technical effects of the invention are as follows:
according to the invention, the rolling correction treatment is carried out on the inward concave deformation part of the inner wall of the tube blank in the swinging process of the dynamic pressure side rod, so that the quality reduction of a welding seam caused by the inward concave of the tube blank is reduced. The pipe shape quality of the welded pipe is improved.
Drawings
FIG. 1 is a front view of an embodiment of the present invention, primarily intended to show the overall structure of a forming roll stand;
FIG. 2 is an enlarged view taken at A in FIG. 1, and is mainly used for showing the structure of the driving mechanism;
FIG. 3 is a left side sectional view of the base frame of the present invention, showing the structure of the longitudinal slide block;
fig. 4 is a top sectional view of an upright base frame according to an embodiment of the present invention, which is mainly used for showing the structure of a driven edging bar.
Reference numerals: 1. a pressing roller frame; 2. rotating the press roller; 3. shaping frames; 4. an upright base frame; 5. a secondary side pressing rod; 6. a driven gear; 7. a shifting chute; 8. longitudinally moving the sliding block; 9. a linkage toothed bar; 10. an extending transverse frame; 11. a rear pressing plate; 12. a welting runner; 13. rotating the cam; 14. an inner top sliding rod; 15. a compression spring; 16. a hemispherical slider; 17. a strip slide hole; 18. and (5) correcting the pressing wheel.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the scope of the present invention and that the terms "first" and "second" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the pipe blank plate edge inward-concave correcting equipment for steel pipe production disclosed by the invention comprises an extrusion roller frame 1 and a shaping frame 3, wherein a rotary press roller 2 is rotatably arranged between the extrusion roller frame 1 and the shaping frame 3, the middle part of the shaping frame 3 is fixedly connected with an inward-concave correcting mechanism, and the inward-concave correcting mechanism comprises an upright base frame 4 and a driven edge pressing rod 5. The bed frame 4 of standing vertically is fixed to be set up in 3 downside middle parts of stereotyped frame, and the 4 middle parts of bed frame of standing vertically have been seted up aversion spout 7, and sliding connection has to indulge in the aversion spout 7 and moves slider 8, and 4 lower parts of bed frame of standing vertically are provided with and are used for the drive to indulge and move the interior top subassembly that slider 8 slided in aversion spout 7.
Please refer to fig. 1 and fig. 3, set up to two from dynamic pressure side bar 5, two rotate respectively from dynamic pressure side bar 5 and set up in the lower part of upright bed frame 4, driven side bar 5 is close to the coaxial fixedly connected with of upright bed frame 4 one end from change gear 6, driven side bar 5 keeps away from pivot department one end rotation and is provided with correction pinch roller 18, correction pinch roller 18 laminates the rolling of pipe inner wall, the correction pinch roller 18 of setting rotates on driven side bar 5, make from dynamic pressure side bar 5 to the correction mode of pipe change the roll of correcting pinch roller 18 into by the slip of driven side bar 5 and correct, thereby reduce the pipe damage that rotates the cause because of the butt from dynamic pressure side bar 5. Two ends of the longitudinal moving slide block 8 are respectively and fixedly connected with an interlocking toothed bar 9 meshed and connected with the driven rotating gear 6, so that the longitudinal moving of the longitudinal moving slide block 8 drives the driven rotating gear 6 and the driven edge pressing bar 5 at two sides to swing in a reciprocating mode, rolling correction processing is carried out on the inward concave deformation position of the inner wall of the pipe blank in the swinging process of the driven edge pressing bar 5, and the quality reduction of welding seams caused by inward concave of the pipe blank is reduced. The pipe shape quality of the welded pipe is improved.
Referring to fig. 3, the inner top assembly comprises an inner top sliding rod 14 and a welt rotating wheel 12, the welt rotating wheel 12 is rotatably arranged at the lower part of the vertical base frame 4 and is jointed with the inner wall of the tube blank to roll, a rubber ring is sleeved outside the welt rotating wheel 12, anti-skid grains are arranged on the rubber ring, and the welt rotating wheel 12 is jointed with the inner wall of the tube blank to rotate through the rubber ring. The welt rotating wheel 12 is coaxially and fixedly connected with a rotating cam 13, an inner top sliding rod 14 is arranged at the lower part of the vertical base frame 4 in a sliding mode, the upper end of the inner top sliding rod 14 is fixedly connected with a longitudinal moving sliding block 8, the lower end of the inner top sliding rod 14 is attached to the outer wall of the rotating cam 13 to slide, a compression spring 15 is sleeved on the inner top sliding rod 14, and the compression spring 15 is fixedly connected with the lower end of the inner top sliding rod 14.
When the welting runner 12 in the inner jacking assembly is attached to the inner wall of a tube blank and rotates, the rotary cam 13 drives the inner jacking slide rod 14 attached to the inner jacking slide rod to slide upwards, so that the inner jacking slide rod 14 pushes the longitudinal slide block 8 to move upwards, and then drives the two driven side pressing rods 5 to swing, when the compression spring 15 pushes the inner jacking slide rod 14 to move downwards, the longitudinal slide block 8 is driven to move downwards, and therefore, under the matching of the rotary cam 13 and the compression spring 15, the inward concave part of the tube blank is corrected in a rolling mode through the side pressing rods 5.
The lower part of the vertical pedestal 4 is provided with a long-strip sliding hole 17, the inner top sliding rod 14 is inserted into the long-strip sliding hole 17, the inner top sliding rod 14 is attached to the inner wall of the long-strip sliding hole 17 to slide, and the long-strip sliding hole 17 at the lower part of the vertical pedestal 4 ensures that the inner top sliding rod 14 keeps being attached to the inner part of the long-strip sliding hole 17 to slide, so that the stability of the inner top sliding rod 14 when the lower part of the vertical pedestal 4 slides is improved, and the vertical sliding and shaking of the inner.
Referring to fig. 2, a hemisphere slider 16 is fixedly connected to a lower end of the inner ejector slide bar 14, the inner ejector slide bar 14 slides in contact with an outer portion of the rotating cam 13 through the hemisphere slider 16, and the hemisphere slider 16 is fixedly disposed at the lower end of the inner ejector slide bar 14 to reduce friction when the hemisphere slider 16 slides in contact with the rotating cam 13, so that the rotating cam 13 can smoothly drive the inner ejector slide bar 14 to slide longitudinally when rotating.
Referring to fig. 3, the two sides of the shaping frame 3 are fixedly connected with the extending cross frames 10, the lower ends of the extending cross frames 10 are fixedly connected with the rear pressing plates 11 attached to the surface of the tube blank, and the rear pressing plates 11 arranged on the two sides of the shaping frame 3 limit the outer side of the tube blank when the tube blank is attached to the tube blank, so that the tube blank is abutted to the inner wall of the rear pressing plates 11 from the dynamic pressure side rods 5, and the efficiency of extruding the tube blank from the concave parts of the dynamic pressure side rods 5 is improved. Epitaxial crossbearers 10 set up to two, and two epitaxial crossbearers 10 set up side by side on setting frame 3, and two 10 lower extremes of epitaxial crossbearers all support pressure plate 11 fixed connection with the back, set up epitaxial crossbearers 10 into two, make two epitaxial crossbearers 10 support pressure plate 11 upper portions to the back and carry out the butt to keep the horizontality of epitaxial crossbearers 10, make back support pressure plate 11 steadily accept from the butt pressure of dynamic pressure limit pole 5, keep the spacing effect that back support pressure plate 11 warp the pipe blank.
Referring to fig. 1, the rear pressing plate 11 is set to be an arc-shaped structure, the arc-shaped structure of the rear pressing plate 11 is attached to the outer side of the tube blank, the rear pressing plate 11 is set to be an arc-shaped structure, so that the rear pressing plate 11 is completely attached to the outer side of the tube blank, and when the correcting process of the outer end of the driven blank holder 5 rotates to the upper portion of the tube blank, the rear pressing plate 11 limits the tube blank pushed to deform by the driven blank holder 5. The rear pressing plate 11 lower side is provided with a smooth surface, the rear pressing plate 11 slides through the smooth surface and the surface of the tube blank in a fitting manner, the smooth surface arranged on the lower side of the rear pressing plate 11 is convenient to reduce the friction when the rear pressing plate 11 is fitted on the surface of the tube blank, and the influence of the tube blank on the rear pressing plate 11 during transmission in the extrusion roller frame 1 is reduced.
The working principle and the beneficial effects of the invention are as follows:
when a pipe blank needs to be corrected, along with the transmission of the pipe blank, the welting rotating wheel 12 attached to the inner wall of the pipe blank rotates to drive the rotating cam 13 coaxially connected with the pipe blank to rotate, when the attaching position of the rotating cam 13 and the hemispherical sliding block 16 rotates from the large end to the small end of the rotating cam 13, the rotating cam 13 pushes the inner top sliding rod 14 to move upwards, so that the inner top sliding rod 14 drives the longitudinal moving sliding block 8 to move upwards, the longitudinal moving sliding block 8 drives the linkage toothed bars 9 on two sides to move upwards synchronously, the longitudinal moving upwards of the linkage toothed bars 9 drives the driven gear 6 and the driven edge pressing rod 5 to rotate, the correcting pinch roller 18 at the position, far away from the rotating shaft, of the driven edge pressing rod 5 rotates along with the rotation of the driven edge pressing rod 5, is attached to the inner wall of the pipe blank to rotate, the rolling correction is performed on the inward concave deformation position of the pipe blank. The pipe shape quality of the welded pipe is improved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a pipe flange indent correction equipment for steel pipe production, includes extrusion roller frame (1) and design frame (3), it is provided with rotation compression roller (2), its characterized in that to rotate between extrusion roller frame (1) and design frame (3): the middle part of the shaping frame (3) is fixedly connected with an inward-concave correcting mechanism, and the inward-concave correcting mechanism comprises an upright base frame (4) and a driven edge pressing rod (5);
the vertical base frame (4) is fixedly arranged in the middle of the lower side of the shaping frame (3), a shifting chute (7) is formed in the middle of the vertical base frame (4), a longitudinal moving sliding block (8) is connected in the shifting chute (7) in a sliding mode, and an inner jacking assembly used for driving the longitudinal moving sliding block (8) to slide in the shifting chute (7) is arranged on the lower portion of the vertical base frame (4);
the auxiliary dynamic pressure side rods (5) are arranged in two numbers, the two auxiliary dynamic pressure side rods (5) are respectively and rotatably arranged at the lower part of the vertical base frame (4), an auxiliary rotating gear (6) is coaxially and fixedly connected to one end, close to the vertical base frame (4), of the auxiliary dynamic pressure side rod (5), and linkage gear rods (9) meshed and connected with the auxiliary rotating gear (6) are respectively and fixedly connected to two ends of the longitudinal moving sliding block (8).
2. The pipe blank plate edge inward-concave straightening device for steel pipe production according to claim 1, characterized in that: interior top subassembly includes interior top slide bar (14) and welt runner (12), welt runner (12) are rotated and are set up in upright bed frame (4) lower part and the roll of laminating pipe inner wall, welt runner (12) coaxial fixedly connected with rotating cam (13), interior top slide bar (14) slide and set up in upright bed frame (4) lower part, interior top slide bar (14) upper end with indulge and move slider (8) fixed connection, interior top slide bar (14) lower extreme slides with rotating cam (13) outer wall laminating, compression spring (15) have been cup jointed on interior top slide bar (14), compression spring (15) and interior top slide bar (14) lower extreme fixed connection.
3. The pipe blank plate edge inward-concave straightening device for steel pipe production according to claim 2, characterized in that: the lower end of the inner jacking sliding rod (14) is fixedly connected with a hemispherical sliding block (16), and the inner jacking sliding rod (14) slides in abutting joint with the outer part of the rotating cam (13) through the hemispherical sliding block (16).
4. The pipe blank plate edge inward-concave straightening device for steel pipe production according to claim 2, characterized in that: the lower part of the vertical base frame (4) is provided with a long-strip sliding hole (17), the inner top sliding rod (14) is inserted into the long-strip sliding hole (17), and the inner top sliding rod (14) is attached to the inner wall of the long-strip sliding hole (17) to slide.
5. The pipe blank plate edge inward-concave straightening device for steel pipe production according to claim 1, characterized in that: the equal fixedly connected with of both sides of design frame (3) is extended crossbearer (10), the back of extending crossbearer (10) lower extreme fixedly connected with and the laminating of pipe surface supports clamp plate (11).
6. The pipe blank plate edge inward-concave straightening device for steel pipe production according to claim 5, characterized in that: epitaxial crossbearer (10) set up to two, two epitaxial crossbearer (10) set up side by side on stereotyping frame (3), two epitaxial crossbearer (10) lower extreme all supports clamp plate (11) fixed connection with the back.
7. The pipe blank plate edge inward-concave straightening device for steel pipe production according to claim 5, characterized in that: the back is supported clamp plate (11) and is set up to the arc structure, the arc structure and the pipe outside laminating of back support clamp plate (11).
8. The pipe blank plate edge inward-concave straightening device for steel pipe production according to claim 6, characterized in that: the lower side of the back pressing plate (11) is provided with a smooth surface, and the back pressing plate (11) is attached to the surface of the tube blank through the smooth surface and slides.
9. The pipe blank plate edge inward-concave straightening device for steel pipe production according to claim 1, characterized in that: and one end of the driven dynamic pressure side rod (5) far away from the rotating shaft is rotatably provided with a correcting pinch roller (18), and the correcting pinch roller (18) is jointed with the inner wall of the tube blank to roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011412592.XA CN112718927A (en) | 2020-12-03 | 2020-12-03 | Pipe blank flange indent correction equipment for steel pipe production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011412592.XA CN112718927A (en) | 2020-12-03 | 2020-12-03 | Pipe blank flange indent correction equipment for steel pipe production |
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| Publication Number | Publication Date |
|---|---|
| CN112718927A true CN112718927A (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011412592.XA Pending CN112718927A (en) | 2020-12-03 | 2020-12-03 | Pipe blank flange indent correction equipment for steel pipe production |
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| Country | Link |
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| CN (1) | CN112718927A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114345978A (en) * | 2021-12-24 | 2022-04-15 | 无锡市钰吉管业有限公司 | Straight welded pipe shaping wrong limit orthotic devices |
| CN116984823A (en) * | 2023-09-20 | 2023-11-03 | 江苏兴齐智能输电科技有限公司 | Electric power steel pipe joint welding device |
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| DE10153144C1 (en) * | 2001-10-27 | 2003-05-28 | Sms Meer Gmbh | Device, for producing a polygonal pipe, comprises a pipe-welding unit, a roller unit, and a camber roller unit located downstream of the roller unit and having convex rollers on opposite-lying pipe sides |
| CN201115898Y (en) * | 2007-10-24 | 2008-09-17 | 王及元 | Location prewelding |
| CN102059384A (en) * | 2009-11-12 | 2011-05-18 | 三菱电机株式会社 | Tubing weld seam determining method, weld seam cutting method and weld seam cutting device |
| CN210878385U (en) * | 2019-09-26 | 2020-06-30 | 天津市众鑫达金属制品有限公司 | Be used for steel pipe welding seam mouth pressfitting processing apparatus |
| CN210878386U (en) * | 2019-09-26 | 2020-06-30 | 天津市众鑫达金属制品有限公司 | Welding correction device for steel pipe forming |
| CN211679395U (en) * | 2020-02-26 | 2020-10-16 | 天津市盛泽鑫钢管有限公司 | Straight welded pipe shaping wrong limit orthotic devices |
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- 2020-12-03 CN CN202011412592.XA patent/CN112718927A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10153144C1 (en) * | 2001-10-27 | 2003-05-28 | Sms Meer Gmbh | Device, for producing a polygonal pipe, comprises a pipe-welding unit, a roller unit, and a camber roller unit located downstream of the roller unit and having convex rollers on opposite-lying pipe sides |
| CN201115898Y (en) * | 2007-10-24 | 2008-09-17 | 王及元 | Location prewelding |
| CN102059384A (en) * | 2009-11-12 | 2011-05-18 | 三菱电机株式会社 | Tubing weld seam determining method, weld seam cutting method and weld seam cutting device |
| CN210878385U (en) * | 2019-09-26 | 2020-06-30 | 天津市众鑫达金属制品有限公司 | Be used for steel pipe welding seam mouth pressfitting processing apparatus |
| CN210878386U (en) * | 2019-09-26 | 2020-06-30 | 天津市众鑫达金属制品有限公司 | Welding correction device for steel pipe forming |
| CN211679395U (en) * | 2020-02-26 | 2020-10-16 | 天津市盛泽鑫钢管有限公司 | Straight welded pipe shaping wrong limit orthotic devices |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114345978A (en) * | 2021-12-24 | 2022-04-15 | 无锡市钰吉管业有限公司 | Straight welded pipe shaping wrong limit orthotic devices |
| CN116984823A (en) * | 2023-09-20 | 2023-11-03 | 江苏兴齐智能输电科技有限公司 | Electric power steel pipe joint welding device |
| CN116984823B (en) * | 2023-09-20 | 2024-01-05 | 江苏兴齐智能输电科技有限公司 | Electric power steel pipe joint welding device |
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