CN112718913A - Steel pipe forming equipment with weld flattening mechanism - Google Patents
Steel pipe forming equipment with weld flattening mechanism Download PDFInfo
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- CN112718913A CN112718913A CN202011339422.3A CN202011339422A CN112718913A CN 112718913 A CN112718913 A CN 112718913A CN 202011339422 A CN202011339422 A CN 202011339422A CN 112718913 A CN112718913 A CN 112718913A
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- fixedly connected
- steel pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 21
- 239000010959 steel Substances 0.000 title claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 61
- 238000001125 extrusion Methods 0.000 claims abstract description 30
- 238000007493 shaping process Methods 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 238000004513 sizing Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 44
- 230000000694 effects Effects 0.000 description 13
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/083—Supply, or operations combined with supply, of strip material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses steel pipe forming equipment with a welding seam flattening mechanism, which comprises an extrusion roller frame and a shaping frame, wherein the shaping frame is fixedly arranged at the upper part of the extrusion roller frame, two rotating compression rollers are rotatably arranged on the extrusion roller frame, the flattening mechanism is arranged on one side of the shaping frame, which is close to a feeding port, and comprises a front-edge flattening frame and a same-rotating gear, and the same-rotating gear is rotatably arranged on the upper side of the front-edge flattening frame; the front edge flat frame is fixedly connected to the side edge of the shaping frame, a longitudinal sliding hole is formed in the front edge flat frame, a pressing sliding rod is inserted into the longitudinal sliding hole, the pressing sliding rod penetrates through the longitudinal sliding hole to be connected with the front edge flat frame in a sliding mode, and the lower end of the pressing sliding rod is fixedly connected with a movable pressing frame; the movable pressing frame is fixedly connected with the lower end of the lower pressing slide rod. The invention drives the downward-pressing slide rod and the movable pressing frame to press the opening angle of the tube blank, so that the welding seam opening of the tube blank is bent inwards, the edges of two sides of the extrusion welding seam opening are opposite, and the connecting strength of the welding seam opening is improved.
Description
Technical Field
The invention relates to the technical field of welded pipe production equipment, in particular to steel pipe forming equipment with a weld flattening mechanism.
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. After the strip steel is extruded and formed by forming equipment, the blank is welded by using welding equipment, wherein the welding equipment generally adopts high-frequency welding equipment and uses higher frequency, so that a weld heat affected zone is narrower, and the current of the inner wall of the pipe is smaller.
The prior patent publication No. CN202555619U discloses an online longitudinal submerged arc welding roll forming unit, which is characterized in that: the forming machine consists of a machine base, a forming machine frame, a first F forming roller, a second F forming roller, an n-pass X forming roller, a fine forming roller, five extrusion rollers, an n-pass sizing roller and a sizing machine frame, and is sequentially arranged according to the following sequence: the first F forming roller, the second F forming roller, the n-pass X forming roller, the fine forming roller and the five extruding rollers are arranged on the forming rack, the n-pass sizing roller is arranged on the sizing rack, and the forming rack and the sizing rack are arranged on the stand. The utility model discloses online longitudinal submerged arc welding roll forming unit can produce the longitudinal submerged arc welding welded steel pipe of diameter for phi 219 mm-phi 800mm, any specification of wall thickness 5mm-30mm, has with low costs, welding quality is good, the characteristics that body residual stress is little.
Among the above-mentioned technical scheme, can realize the extrusion of straight welded pipe through the multichannel roller set that sets up, the pipe is at the former extrusion back, appears the welding rod opening angle at the welding seam kneck, and the pipe after partial shaping is because the wall thickness is great, and when the opening angle was up, the edge of pipe welding seam department is turned up, when welding seam mouthful welding, the belted steel edge of welding seam department only has bottom contact, therefore welding seam mouthful joint strength is not high, influences the welding seam quality of welded pipe.
Disclosure of Invention
The invention aims to provide steel pipe forming equipment with a weld joint flattening mechanism, which can flatten an opening angle of an everted pipe blank to fold a weld joint opening of the everted pipe blank, so that the edges of the weld joint can be abutted and contacted conveniently, and the connection strength of the weld joint opening is improved.
The invention is realized by the following technical scheme:
a steel pipe forming device with a welding seam flattening mechanism comprises an extrusion roller frame and a shaping frame, wherein the shaping frame is fixedly arranged on the upper portion of the extrusion roller frame, two rotating compression rollers are rotatably arranged on the extrusion roller frame, the flattening mechanism is arranged on one side, close to a feeding port, of the shaping frame, the flattening mechanism comprises a front-edge flattening frame and a same-rotation gear, and the same-rotation gear is rotatably arranged on the upper side of the front-edge flattening frame; the front edge flat frame is fixedly connected to the side edge of the shaping frame, a longitudinal sliding hole is formed in the front edge flat frame, a pressing sliding rod is inserted into the longitudinal sliding hole, the pressing sliding rod penetrates through the longitudinal sliding hole and is connected with the front edge flat frame in a sliding mode, and the lower end of the pressing sliding rod is fixedly connected with a movable pressing frame; the movable pressing frame is fixedly connected with the lower end of the downward pressing slide rod, a driving mechanism used for driving the downward pressing slide rod to longitudinally slide is arranged on the upper portion of the front edge flat frame, and the driving mechanism is connected with the upper end of the downward pressing slide rod in a meshed mode.
By adopting the technical scheme, the driving mechanism controls the downward movement of the downward pressing slide rod to drive the downward pressing slide rod and the movable pressing frame to press the opening angle of the tube blank downwards, so that the welding seam opening of the tube blank is bent inwards, the edges of the two sides of the extrusion welding seam opening are opposite, and the connecting strength of the welding seam opening is improved.
Further setting the following steps: the driving mechanism comprises a longitudinal moving toothed bar and a co-rotating gear, the co-rotating gear is rotatably arranged on the upper side of the front-edge flat frame, the longitudinal moving toothed bar is fixedly connected with the upper end of the downward pressing sliding bar, and the longitudinal moving toothed bar is meshed with the co-rotating gear.
By adopting the technical scheme, the same-rotation gear in the driving mechanism drives the longitudinal sliding of the longitudinal moving rack rod when rotating, so that the rotating of the same-rotation gear can adjust the downward moving distance of the movable pressing frame.
Further setting the following steps: the front edge flat frame is kept away from sizing frame one side sliding connection and is had the slide bar that holds, it rotates to hold the slide bar lower extreme and is connected with the backing pinch roller to go up, the same fixedly connected with of the slide bar upper end of holding is connected with the gear engagement with changeing and is moved the ratch indulging.
Through adopting above-mentioned technical scheme, keep away from the upper bracket pinch roller that the design was put up one side and was set up at the front edge flat frame, when making the activity press frame push down, the upper bracket pinch roller moved the bearing to the upside to be convenient for push the pipe of weld joint mouth both sides when pushing down, make the pipe weld joint of turning up inwards buckle.
Further setting the following steps: the synchronous rotating gear is coaxially and fixedly connected with a driven rotating worm wheel, the upper end of the front edge flat frame is rotatably provided with a main rotating worm, and the driven rotating worm wheel is meshed with the main rotating worm.
Through adopting above-mentioned technical scheme, at the main worm that changes the worm wheel downside and set up, make the rotation of main worm that changes can adjust with the rotation of commentaries on classics gear, and then to carrying out vertical regulation with the last pinch roller that changes the gear both sides and activity pressure frame that drive, make simultaneously main worm that changes can carry on spacingly to the same commentaries on classics gear after adjusting turned angle, keep the extrusion deformation state of holding in the palm pinch roller and activity pressure frame to the pipe.
Further setting the following steps: the lower end of the movable pressing frame is rotatably provided with an inward folding pressing roller, and the outside of the inward folding pressing roller is provided with a smooth surface.
By adopting the technical scheme, the inward-folding pressure roller arranged on the lower side of the movable pressure frame performs rolling extrusion on the welding seam of the tube blank, so that the friction of the movable pressure frame during extrusion on the welding seam of the tube blank is reduced, and the inward-folding pressure roller keeps the effect of laminating extrusion on the opening angle of the tube blank.
Further setting the following steps: the main worm that changes keeps away from design frame one side and is provided with the regulation folding rod, regulation folding rod fixed connection is in main worm side that changes.
Through adopting above-mentioned technical scheme, at the regulation folding rod that owner changes worm one side and set up, make things convenient for the staff to grip and adjust the folding rod and rotate, and then drive the rotation of owner's commentaries on classics worm, the convenient extrusion state to changeing the worm wheel from adjusting.
Further setting the following steps: the upper supporting pressure wheels are arranged in two numbers, and the two upper supporting pressure wheels are respectively and rotatably arranged on two sides of the lower end of the upper bearing slide rod.
By adopting the technical scheme, the two upper supporting pressure wheels are arranged, so that the two upper supporting pressure wheels can support the edges at two sides of the welding seam of the tube blank from the bottom, the degree of pressing deformation of the welding seam of the tube blank is reduced, and the alignment effect at the welding seam of the tube blank is kept.
Further setting the following steps: and one end of each of the two upper supporting pressure rollers, which is close to each other, is fixedly connected with an inner supporting rotating wheel, and the diameter of the inner supporting rotating wheel is the same as that of the upper supporting pressure roller.
By adopting the technical scheme, the inner supporting rotating wheel is arranged at the adjacent position of the upper supporting pressure wheel, so that the inner supporting rotating wheel can be used for carrying out auxiliary support on the welding seam of the tube blank, the support range of the upper supporting pressure wheel is expanded, and the bending flatness of the welding seam of the tube blank is kept.
Further setting the following steps: the upper bearing slide rod is sleeved with a circular sleeve, the upper end of the circular sleeve is fixedly connected with the front edge flat frame, and the circular sleeve is connected with the upper bearing slide rod in a sliding mode.
Through adopting above-mentioned technical scheme, the circular sleeve pipe of establishing on bearing the slide bar, make circular sleeve pipe carry out the auxiliary stay to the upper slide bar that vertically slides, keep the stable vertical effect of sliding of upper slide bar.
In conclusion, the beneficial technical effects of the invention are as follows:
the invention drives the downward-pressing slide rod and the movable pressing frame to press the opening angle of the tube blank, so that the welding seam opening of the tube blank is bent inwards, the edges of two sides of the extrusion welding seam opening are opposite, and the connecting strength of the welding seam opening is improved.
Drawings
FIG. 1 is a front view of an embodiment of the present invention, which is mainly used to show the overall structure of an extrusion roll frame;
FIG. 2 is an enlarged view taken at A in FIG. 1, and is mainly used for showing the structure of the flat press roll portion;
fig. 3 is a left side view of an embodiment of the present invention, which is mainly used for showing a structural schematic view of a co-rotating gear.
Reference numerals: 1. a pressing roller frame; 2. rotating the press roller; 3. shaping frames; 4. a front edge flat frame; 5. an upper bearing slide bar; 6. pressing the slide bar downwards; 7. supporting the pinch roller; 8. a movable pressing frame; 9. longitudinally moving the rack bar; 10. a co-rotating gear; 11. a driven worm gear; 12. a main rotating worm; 13. adjusting the folding rod; 14. a circular sleeve; 15. an inner supporting rotating wheel; 16. and inward folding press rollers.
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 and 2, the steel pipe forming equipment with a weld flattening mechanism disclosed by the invention comprises an extrusion roller frame 1 and a shaping frame 3, wherein the shaping frame 3 is fixedly arranged at the upper part of the extrusion roller frame 1, two rotating compression rollers 2 are rotatably arranged on the extrusion roller frame 1, the flattening mechanism is arranged on one side of the shaping frame 3 close to a feeding port, the flattening mechanism comprises a front edge flattening frame 4 and a same rotating gear 10, and the same rotating gear 10 is rotatably arranged on the upper side of the front edge flattening frame 4. Front edge ledge 4 fixed connection has seted up vertical slide opening in 3 sides of design frame on the front edge ledge 4, and vertical slide opening interpolation is equipped with down slide bar 6, and down slide bar 6 runs through vertical slide opening and front edge ledge 4 sliding connection, and the lower extreme fixedly connected with activity of down slide bar 6 presses the frame 8.
Referring to fig. 1 and 2, the movable pressing frame 8 is fixedly connected with the lower end of the lower pressing slide bar 6, the upper portion of the front edge flat frame 4 is provided with a driving mechanism for driving the lower pressing slide bar 6 to longitudinally slide, the driving mechanism is engaged with the upper end of the lower pressing slide bar 6, and the driving mechanism controls the lower pressing slide bar 6 to move downwards to drive the lower pressing slide bar 6 and the movable pressing frame 8 to press the opening angle of the tube blank downwards so as to bend the welding seam opening of the tube blank inwards, so that the two side edges of the extrusion welding seam opening are opposite to each other, and the connection strength of the welding seam opening is improved.
Referring to fig. 1 and 3, the driving mechanism includes a longitudinal shift rack 9 and a co-rotating rack 10, the co-rotating rack 10 is rotatably disposed on the upper side of the front edge flat frame 4, the longitudinal shift rack 9 is fixedly connected with the upper end of the push-down sliding rod 6, the longitudinal shift rack 9 is engaged with the co-rotating rack 10, and the co-rotating rack 10 in the driving mechanism drives the longitudinal sliding of the longitudinal shift rack 9 during rotation, so that the rotation of the co-rotating rack 10 can adjust the downward moving distance of the movable pressing frame 8. The front-edge flat frame 4 is far away from one side of the shaping frame 3 and is connected with an upper slide bearing rod 5 in a sliding mode, the lower end of the upper slide bearing rod 5 is connected with an upper supporting pressure roller 7 in a rotating mode, the upper end of the upper slide bearing rod 5 is fixedly connected with a longitudinally-moving toothed bar 9 meshed with a same rotating gear 10, the front-edge flat frame 4 is far away from the upper supporting pressure roller 7 arranged on one side of the shaping frame 3, when the movable pressure frame 8 is pressed down, the upper supporting pressure roller 7 moves a support upwards, therefore, tube blanks on two sides of a welding seam opening are extruded when the tube blanks are pressed down, and the welding seam of the outwards-turned tube blanks is bent inwards.
With changeing gear 10 coaxial fixedly connected with from changeing worm wheel 11, the rotation of 4 upper ends on the forward edge flat frame is provided with main commentaries on classics worm 12, from changeing worm wheel 11 and the meshing of main commentaries on classics worm 12 and being connected, change main worm 12 that the worm 11 downside set up from the follow, make the rotation of main commentaries on classics worm 12 can adjust with the rotation of changeing gear 10, and then carry out vertical regulation to the last riding pressure wheel 7 that changes the gear 10 both sides drive with the activity pressure frame 8, make simultaneously main commentaries on classics worm 12 can carry on spacingly to the same commentaries on classics gear 10 after adjusting turned angle, keep the extrusion deformation state of last riding pressure wheel 7 and activity pressure frame 8 to the pipe.
Referring to fig. 1 and 2, the lower end of the movable pressing frame 8 is rotatably provided with an inward-folding pressing roller 16, and the outside of the inward-folding pressing roller 16 is provided with a smooth surface, so that the inward-folding pressing roller 16 arranged on the lower side of the movable pressing frame 8 performs rolling extrusion on the seam of the pipe blank, friction when the movable pressing frame 8 performs extrusion on the seam of the pipe blank is reduced, and the inward-folding pressing roller 16 keeps a joint extrusion effect on the opening angle of the pipe blank. The main worm that changes 12 is provided with the regulation folding rod 13 far away from 3 one sides of stereotyping frame, adjusts folding rod 13 fixed connection in the main worm 12 side that changes, at the main regulation folding rod 13 that changes 12 one side settings of worm, makes things convenient for the staff to grip and adjusts folding rod 13 and rotate, and then drives the rotation of the main worm that changes 12, conveniently adjusts the extrusion state from changeing worm wheel 11.
Referring to fig. 2, two upper supporting pressure rollers 7 are provided, and the two upper supporting pressure rollers 7 are respectively rotatably provided on two sides of the lower end of the upper slide bearing bar 5, so that the two upper supporting pressure rollers 7 support two side edges of the tube blank weld seam from the bottom, thereby reducing the degree of pressing deformation of the tube blank weld seam and maintaining the alignment effect of the tube blank weld seam. An inner supporting rotating wheel 15 is fixedly connected to one end, close to each other, of each of the two upper supporting pressure wheels 7, the diameter of each inner supporting rotating wheel 15 is the same as that of each upper supporting pressure wheel 7, and the inner supporting rotating wheels 15 arranged at the positions adjacent to the upper supporting pressure wheels 7 enable the inner supporting rotating wheels 15 to assist in supporting the welding seam of the tube blank, expand the supporting range of the upper supporting pressure wheels 7 and keep the bending flatness of the welding seam of the tube blank.
Referring to fig. 3, a circular sleeve 14 is sleeved on the upper bearing slide bar 5, the upper end of the circular sleeve 14 is fixedly connected with the front edge flat frame 4, the circular sleeve 14 is slidably connected with the upper bearing slide bar 5, and the circular sleeve 14 is sleeved on the upper bearing slide bar 5, so that the circular sleeve 14 assists in supporting the upper bearing slide bar 5 which slides longitudinally, and the stable longitudinal sliding effect of the upper bearing slide bar 5 is maintained.
The working principle and the beneficial effects of the invention are as follows:
when the welded pipe needs to be molded, a worker controls and adjusts the rotation of the folding rod 13 to drive the rotation of the main rotating worm 12, the main rotating worm 12 is meshed with the auxiliary rotating worm wheel 11, the auxiliary rotating worm wheel 11 drives the same rotating gear 10 which is coaxially connected with the auxiliary rotating worm wheel 11 to rotate, the two longitudinal moving gear rods 9 are synchronously driven to move oppositely, the upper supporting pressure wheel 7 at the lower end of the upper bearing slide rod 5 moves upwards, the movable pressure frame 8 moves downwards at the same time, the welded seam of the pipe blank is extruded and bent, the opening angle of the pipe blank is pressed downwards, the bearing of the upper supporting pressure wheel 7 reduces the overhigh inner bending degree of the welded pipe, the welded seam of the pipe blank is kept right opposite, the subsequent welding equipment can be conveniently and rightly welded, and the welding strength of the welded seam of the pipe blank 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 steel pipe former with weld seam flattening mechanism, includes extrusion roller frame (1) and design frame (3), design frame (3) are fixed to be set up in extrusion roller frame (1) upper portion, it is provided with two rotation compression rollers (2), its characterized in that to rotate on extrusion roller frame (1): a flat pressing mechanism is arranged on one side, close to the feeding port, of the shaping frame (3), the flat pressing mechanism comprises a front-edge flat frame (4) and a co-rotating gear (10), and the co-rotating gear (10) is rotatably arranged on the upper side of the front-edge flat frame (4);
the front edge flat frame (4) is fixedly connected to the side edge of the shaping frame (3), a longitudinal sliding hole is formed in the front edge flat frame (4), a pressing sliding rod (6) is inserted into the longitudinal sliding hole, the pressing sliding rod (6) penetrates through the longitudinal sliding hole to be in sliding connection with the front edge flat frame (4), and the lower end of the pressing sliding rod (6) is fixedly connected with a movable pressing frame (8);
the movable pressing frame (8) is fixedly connected with the lower end of the pressing slide rod (6), a driving mechanism used for driving the pressing slide rod (6) to longitudinally slide is arranged on the upper portion of the front edge flat frame (4), and the driving mechanism is meshed with the upper end of the pressing slide rod (6).
2. The steel pipe forming equipment with the weld flattening mechanism according to claim 1, characterized in that: the driving mechanism comprises a longitudinal moving toothed bar (9) and a co-rotating gear (10), the co-rotating gear (10) is rotatably arranged on the upper side of the front edge flat frame (4), the longitudinal moving toothed bar (9) is fixedly connected with the upper end of the push-down sliding bar (6), and the longitudinal moving toothed bar (9) is meshed with the co-rotating gear (10).
3. The steel pipe forming equipment with the weld flattening mechanism according to claim 2, characterized in that: leading edge plat form frame (4) are kept away from sizing frame (3) one side sliding connection and are had last slide bar (5), it rotates to be connected with and holds in the palm pinch roller (7) to go up slide bar (5) lower extreme, go up and hold the same fixedly connected with of slide bar (5) upper end and with indulging shift gear lever (9) that commentaries on classics gear (10) meshing is connected.
4. The steel pipe forming equipment with the weld flattening mechanism according to claim 2, characterized in that: the synchronous rotating gear (10) is coaxially and fixedly connected with a secondary rotating worm wheel (11), the upper end of the front edge flat frame (4) is rotatably provided with a primary rotating worm (12), and the secondary rotating worm wheel (11) is meshed with the primary rotating worm (12).
5. The steel pipe forming equipment with the weld flattening mechanism according to claim 1, characterized in that: the lower end of the movable pressing frame (8) is rotatably provided with an inward folding pressing roller (16), and the outer part of the inward folding pressing roller (16) is provided with a smooth surface.
6. The steel pipe forming equipment with the weld flattening mechanism according to claim 4, characterized in that: main change worm (12) keep away from stereotype frame (3) one side and be provided with regulation folding rod (13), regulation folding rod (13) fixed connection is in main change worm (12) side.
7. The steel pipe forming equipment with the weld flattening mechanism according to claim 3, characterized in that: the number of the upper supporting pinch rollers (7) is two, and the two upper supporting pinch rollers (7) are respectively and rotatably arranged on two sides of the lower end of the upper bearing slide bar (5).
8. The steel pipe forming equipment with the weld flattening mechanism according to claim 7, characterized in that: one end, close to each other, of each of the two upper supporting pressing wheels (7) is fixedly connected with an inner supporting rotating wheel (15), and the diameter of each inner supporting rotating wheel (15) is the same as that of each upper supporting pressing wheel (7).
9. The steel pipe forming equipment with the weld flattening mechanism according to claim 1, characterized in that: the upper bearing slide bar (5) is sleeved with a circular sleeve (14), the upper end of the circular sleeve (14) is fixedly connected with the front edge flat frame (4), and the circular sleeve (14) is in sliding connection with the upper bearing slide bar (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011339422.3A CN112718913A (en) | 2020-11-25 | 2020-11-25 | Steel pipe forming equipment with weld flattening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011339422.3A CN112718913A (en) | 2020-11-25 | 2020-11-25 | Steel pipe forming equipment with weld flattening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112718913A true CN112718913A (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011339422.3A Pending CN112718913A (en) | 2020-11-25 | 2020-11-25 | Steel pipe forming equipment with weld flattening mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112718913A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103015A (en) * | 2021-05-20 | 2021-07-13 | 燕山大学 | ERW pipe joint surface rolling device and welding heating optimization method |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1503621A (en) * | 1975-02-14 | 1978-03-15 | Grotnes Machine Works Inc | Method and apparatus for forming wheel rim blanks |
| CN201115898Y (en) * | 2007-10-24 | 2008-09-17 | 王及元 | Location prewelding |
| CN102416412A (en) * | 2011-09-13 | 2012-04-18 | 韦英发 | Production equipment for finished steel pipe |
| 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 |
| CN211192684U (en) * | 2019-12-04 | 2020-08-07 | 天津市福顺达工贸有限公司 | Steel pipe welding seam shaping adjusting device |
-
2020
- 2020-11-25 CN CN202011339422.3A patent/CN112718913A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1503621A (en) * | 1975-02-14 | 1978-03-15 | Grotnes Machine Works Inc | Method and apparatus for forming wheel rim blanks |
| CN201115898Y (en) * | 2007-10-24 | 2008-09-17 | 王及元 | Location prewelding |
| CN102416412A (en) * | 2011-09-13 | 2012-04-18 | 韦英发 | Production equipment for finished steel pipe |
| 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 |
| CN211192684U (en) * | 2019-12-04 | 2020-08-07 | 天津市福顺达工贸有限公司 | Steel pipe welding seam shaping adjusting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103015A (en) * | 2021-05-20 | 2021-07-13 | 燕山大学 | ERW pipe joint surface rolling device and welding heating optimization method |
| 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 |
| CN114345978B (en) * | 2021-12-24 | 2024-07-09 | 无锡市钰吉管业有限公司 | Straight welded pipe shaping misalignment correcting device |
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Application publication date: 20210430 |