CN213560665U - Stainless steel pipe longitudinal seam internal welding machine - Google Patents
Stainless steel pipe longitudinal seam internal welding machine Download PDFInfo
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- CN213560665U CN213560665U CN202021596854.8U CN202021596854U CN213560665U CN 213560665 U CN213560665 U CN 213560665U CN 202021596854 U CN202021596854 U CN 202021596854U CN 213560665 U CN213560665 U CN 213560665U
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Abstract
The utility model belongs to the technical field of stainless steel welding equipment, in particular to a longitudinal seam internal welding machine for stainless steel pipes; the welding machine set is connected with the winding drum supporting component in the length direction and is parallel to the winding drum supporting component; the drum supporting assembly comprises two guide rails arranged in parallel, and the two groups of supporting roller sets are arranged on the guide rails in a sliding manner; the welding machine set comprises a rack, two clamping rails are horizontally arranged at the top of the rack, a bearing plate is clamped with the clamping rails in a sliding mode, a welding arm is connected to the bearing plate and is parallel to the clamping rails, a support column is arranged at the bottom of the front extending end of the welding arm, a guide wheel is arranged at the top of the support column, and the circumference of the guide wheel is attached to the bottom surface of the welding arm; the bearing plate is also provided with a driving assembly, the rack parallel to the clamping rail is also arranged on the rack, and an output gear of the driving assembly is meshed with the rack; the gun head is arranged at one end of the welding arm close to the winding drum supporting assembly and is connected with the welding machine through a pipeline. The utility model has wide application range and convenient use.
Description
Technical Field
The utility model belongs to the technical field of the stainless steel welding equipment, concretely relates to welding machine in stainless steel pipe longitudinal joint.
Background
Stainless steel tubes are currently in widespread use in various industries. When processing a large-diameter stainless steel pipe, a stainless steel plate is generally bent and wound into a roll, and then a longitudinal seam is welded to finally form a pipe body with a closed side wall. After bending, only one vertical longitudinal seam is left on the stainless steel plate behind the winding drum and needs to be welded. The existing welding device is generally only suitable for small products, and is very inconvenient to adopt the existing welding device for large-diameter stainless steel pipes, and the efficiency of the existing welding device is not high. For the simple welding structure of the stainless steel pipe with only the longitudinal seam, a complex welding mode is not needed, and the existing automatic welding equipment is not economical and practical enough when being applied to the welding of the longitudinal seam of the stainless steel pipe.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a longitudinal joint internal welding machine for welding nonrust steel pipe of welding efficient, welding convenience, practicality, economy.
The utility model adopts the following technical scheme: a longitudinal seam internal welding machine for stainless steel pipes comprises a winding drum supporting assembly and a welding unit, wherein the welding unit is connected with the winding drum supporting assembly in the length direction and is parallel to the winding drum supporting assembly; the winding drum supporting assembly comprises two guide rails which are arranged in parallel, and at least two groups of supporting roller sets are arranged on the guide rails in a sliding mode; the welding machine set comprises a rack, two clamping rails are horizontally arranged at the top of the rack, two wings of a bearing plate are in sliding clamping connection with the clamping rails, a welding arm is connected to the bearing plate and is parallel to the clamping rails, a support column is arranged at the bottom of the front extending end of the welding arm, a guide wheel is arranged at the top of the support column, and the circumference of the guide wheel is attached to the bottom surface of the welding arm; the bearing plate is also provided with a driving assembly, the rack parallel to the clamping rail is also arranged on the rack, and an output gear of the driving assembly is meshed with the rack so as to drive the bearing plate to slide along the clamping rail; the gun head is arranged at one end of the welding arm close to the winding drum supporting assembly and is connected with the welding machine through a pipeline.
The two supporting roller sets can slide on the guide rail at will to adapt to stainless steel pipes with different lengths.
Furthermore, the supporting roller group comprises a driving roller group and a driven roller group, the driven roller group comprises a base, and the base is transversely lapped on the guide rail through two rows of balls longitudinally distributed at the bottom of the base; the two roller shaft frames are in sliding clamping connection with flanges on two sides of the base, and are both connected with a screw rod feeding mechanism in the base, and the screw rod feeding mechanism is in shaft connection with a hand wheel on the outer wall of the base; the upper shaft of the roller frame is connected with a roller, and the outer surface of the roller is coated with a rubber layer; the driving roller group comprises a driven roller group and a driving element which is arranged on the roller shaft frame and is connected with the roller.
The driving roller group and the driven roller group support the winding drum together, and the driving roller group rotates to drive the winding drum to rotate until a gap is aligned with the welding gun; the screw rod feeding mechanism is linked with the two roller frames to move in the opposite direction or the back direction, the distance between the two roller frames is adjusted, and the screw rod feeding mechanism is suitable for stainless steel pipes with different pipe diameters.
Further, the driving element comprises a motor and a worm and gear speed reducer set, wherein the worm is connected with the motor shaft, and the worm gear is connected with the roller shaft.
The worm gear transmission mechanism has a large transmission ratio, a very compact structure, stable transmission and very small noise.
Furthermore, the guide rail is arranged on the underframe, and supporting legs for preventing the supporting tube roller group from slipping are arranged at two ends of the guide rail on the underframe.
Furthermore, the driving assembly comprises a servo motor and a matched speed reducer, and an output gear of the speed reducer is meshed with the rack.
Further, the pillar comprises a barrel body, a screw rod and a nut, a guide structure is arranged inside the barrel body, the nut is rotatably arranged at the opening of the barrel body, the lower portion of the screw rod is connected with the guide structure in an inserting mode, the upper portion of the screw rod is connected with the nut in a threaded mode, the nut and the screw rod are rotated to move up and down, and the guide wheel is fixedly arranged at the top of the screw rod.
The support is separately mounted to the ground, the nut is screwed, and the screw is finely adjusted so that the welding arm is kept straight.
Further, the reel supporting component further comprises a pipe jacking mechanism, the pipe jacking mechanism comprises a supporting table, a guide strip parallel to the guide rail is arranged on the top surface of the supporting table, a pulling and moving seat is arranged on the guide strip in a sliding mode, the oil cylinder is arranged on the supporting table, the cylinder rod is hinged with the pulling and moving seat, one side, back to the oil cylinder, of the pulling and moving seat is connected with the ejector rod, the supporting table is provided with idler wheels, the rod body of the ejector rod is arranged on the idler wheels in a lapping mode, and the end of the ejector rod is fixedly.
After the winding drum is placed on the two supporting roller sets, the winding drum is not easy to place in place at one time, so that the welding arm cannot extend to the far end of the winding drum; therefore, the winding drum is properly pushed to the welding unit by using the pipe jacking mechanism; and the welded winding drum is in an integral tubular shape, so that the winding drum is convenient to bind and hoist, and an independent pulling-out mechanism is not needed.
Furthermore, a cooling water pipe is connected to the gun head and is communicated with a water pump and a water source.
The existing gun heads are naturally cooled, and the air flow rate is high in a relatively open environment, so that the cooling requirement can be met; when the gun head is welded in the pipeline, the operation time is long, the pipeline is relatively closed, and the gun head is extremely easy to overheat and damage; therefore, the gun head is communicated with a cooling water pipe, and water flow is adopted for washing and cooling.
Compared with the prior art, the utility model has the advantages that:
the utility model provides a longitudinal seam internal welding machine for stainless steel pipes, which has wide application range and convenient use; the water-cooled gun head is adopted, so that the problem that the gun head is overheated during long-time operation in a pipeline is solved; the trusteeship roller sets with adjustable longitudinal distance can be adapted to stainless steel pipes with any length, and the transverse distance of the two roller racks on each trusteeship roller set is adjustable and is adapted to stainless steel pipes with any pipe diameter; one group of trusteeship roller set can drive, is convenient for adjust the reel to the gap and rifle head centering.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the driving assembly.
Fig. 3 is a schematic view of the construction of the driven roller group.
Fig. 4 is a schematic structural view of the active roller group.
FIG. 5 is a schematic structural diagram of the push bench mechanism.
Fig. 6 is a schematic structural view of the pillar.
Fig. 7 is a schematic view of the structure of the lance tip.
In the figure: 1-a pipe jacking mechanism; 101-a support table; 102-conducting bars; 103-pulling and moving the seat; 104-oil cylinder; 105-a top rod; 106-a roller; 107-baffles; 2-driven roller group; 201-a base; 202-rolling balls; 203-roller frame; 204-hand wheel; 205-a drum; 3-a driving roller group; 301-an electric motor; 302-worm gear reducer group; 4-a guide rail; 5-gun head; 501-a cooling water pipe; 6-a pillar; 601-a guide wheel; 602-a barrel; 603-screw; 604-a nut; 7-welding machine; 8-a welding arm; 9-clamping the rail; 10-a drive assembly; 1001-servo motor; 1002-a reducer; 11-a frame; 12-a carrier plate; 13-a rack; 14-a chassis; 15-support leg.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
A longitudinal seam internal welding machine for stainless steel pipes, which is shown in figures 1 and 2; the frame comprises a bottom frame 14, wherein the bottom frame 14 comprises two longitudinal square tubes which are arranged in parallel and a transverse connecting square tube between the longitudinal square tubes; one end of the chassis 14 is butted with the rack 11, and the rack 11 and the chassis 14 are positioned on the same straight line. The longitudinal square tube of the chassis 14 is provided with a guide rail 4, and two support legs 15 are respectively fixed at two ends of the guide rail 4. The supporting roller group is arranged on the guide rail 4 in a sliding mode and comprises a driving roller group 3 and a driven roller group 2, the driving roller group 3 and the driven roller group 2 support the winding drum together, and the driving roller group 3 drives the winding drum to rotate. The rack 11 is a long-strip rack body formed by welding square tubes, two clamping rails 9 are horizontally arranged at the top of the rack 11 along the longitudinal direction of the rack, two wings of the bearing plate 12 are clamped with the clamping rails 9 in a sliding manner, and the welding arms 8 are connected to the bearing plate 12 and are parallel to the clamping rails 9; the bottom of the front extending end of the welding arm 8 is provided with a support 6, the top of the support 6 is provided with a guide wheel 601, the circumference of the guide wheel 601 is attached to the bottom surface of the welding arm 8, and the guide wheel is matched with the bottom surface of the welding arm 8 to support the welding arm 8. The bearing plate 12 is further provided with a driving assembly 10, the rack 11 is further provided with a rack 13 parallel to the clamping rail 9, the driving assembly comprises a servo motor 1001 and a matched speed reducer 1002, and an output gear of the speed reducer 1002 is meshed with the rack 13; the matching wire harness of the servo motor 1001 is threaded in the threading drag chain and connected with the controller. Thereby driving the bearing plate 12 to slide along the clamping rail 9; the gun head 5 is arranged at one end of the welding arm 8 close to the reel supporting component, the gun head 5 is connected with the welding machine 7 through a pipeline, and the welding machine 7 is an argon arc welding machine.
In order to prevent the gun head 5 from being damaged by high temperature during long-time operation in the pipeline; as shown in fig. 7, a cooling water pipe 501 is connected to the conventional lance head 5, the cooling water pipe 501 is communicated with a water pump and a water source, and the lance head 5 is cooled by water cooling.
As shown in fig. 3; the driven roller group 2 comprises a base 201, and the base 201 is transversely lapped on the guide rail 4 through two rows of balls 202 longitudinally distributed at the bottom of the base; the two roller frames 203 are in sliding clamping connection with flanges on two sides of the base 201, the two roller frames 203 are both connected with a screw rod feeding mechanism in the base 201, and the screw rod feeding mechanism is in shaft connection with a hand wheel 204 on the outer wall of the base 201; the roller frame 203 is connected with a nut of a screw rod feeding mechanism, the hand wheel 204 is connected with a screw rod of the screw rod feeding mechanism, and the screw rod comprises two parts with opposite spiral directions; by rotating the handwheel 204, the lead screw rotates, and then the two roller frames 203 move in the opposite direction or in the opposite direction. The roller frame 203 is coupled with a roller 205, and in order to prevent the roller 205 from slipping when rotating, the outer surface of the roller 205 is covered with a rubber layer.
As shown in fig. 4; the drive roller group 3 includes the driven roller group 2, and a driving element provided on the roller frame 203 and coupled with the drum 205. The driving element comprises an electric motor 301 and a worm gear reducer set 302, the worm is connected with the electric motor 301 in a shaft mode, the worm wheel is connected with the roller 205 in a shaft mode, and the electric motor 301 drives the roller 205 to rotate slowly through the worm gear reducer set 302.
As shown in fig. 6; the pillar 6 comprises a cylinder 602, a screw 603 and a nut 604, wherein the cylinder 602 is internally provided with a guide structure, the nut 604 is rotatably arranged at the opening of the cylinder 602, the lower part of the screw 603 is inserted into the guide structure, the upper part of the screw is in threaded connection with the nut 604, the nut 604 and the screw 603 are rotated to move up and down, and the guide wheel 601 is fixedly arranged at the top of the screw 603.
As shown in fig. 5; the push bench mechanism 1 is further arranged at one end, away from the rack 11, of the underframe 14, the push bench mechanism 1 comprises a supporting table 101, a guide strip 102 parallel to the guide rail 4 is arranged on the top surface of the supporting table 101, a pulling and moving seat 103 is arranged on the guide strip 102 in a sliding mode, an oil cylinder 104 is arranged on the supporting table 101, a cylinder rod is hinged to the pulling and moving seat 103, one side, back to the oil cylinder 104, of the pulling and moving seat 103 is connected with a push rod 105, a roller 106 is arranged on the supporting table 101, a rod body of the push rod 105 is arranged on the roller 106, and the end of the push.
The utility model discloses a use does: manually spot-welding two ends of a gap of the winding drum to form a stainless steel winding drum which is wound into a drum by a plate winding machine; then hoisting the winding drum to the two support roller sets, starting the driving roller set 3, and rotating the winding drum until the gap is aligned with the gun head 5; then the pipe jacking mechanism 1 is started, and the winding drum is pushed to the end close to the gun head 5. The welding arm 8 moves forwards at a constant speed, the welding machine 7 is started after the gun head 5 is moved to be overlapped with the reel gap, the welding arm 8 continues to move until the reel is welded, and the welding machine 7 is closed; the welding arm 8 is retracted, and the finished stainless steel pipe is hoisted and transported by using a crane.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a stainless steel pipe longitudinal joint internal welding machine which characterized in that: the welding machine set is connected with the winding drum supporting component in the length direction and is parallel to the winding drum supporting component; the winding drum supporting assembly comprises two guide rails (4) which are arranged in parallel, and at least two groups of supporting roller sets are arranged on the guide rails (4) in a sliding mode; the welding machine set comprises a rack (11), two clamping rails (9) are horizontally arranged at the top of the rack (11), two wings of a bearing plate (12) are clamped with the clamping rails (9) in a sliding mode, a welding arm (8) is connected to the bearing plate (12) and is parallel to the clamping rails (9), a support column (6) is arranged at the bottom of the front extending end of the welding arm (8), a guide wheel (601) is arranged at the top of the support column (6), and the circumference of the guide wheel (601) is attached to the bottom surface of the welding arm (8); a driving assembly (10) is further arranged on the bearing plate (12), a rack (13) parallel to the clamping rail (9) is further arranged on the rack (11), and an output gear of the driving assembly (10) is meshed with the rack (13) so as to drive the bearing plate (12) to slide along the clamping rail (9); the gun head (5) is arranged at one end of the welding arm (8) close to the winding drum supporting assembly, and the gun head (5) is connected with the welding machine (7) through a pipeline.
2. The longitudinal seam internal welding machine for the stainless steel pipe as claimed in claim 1, wherein: the supporting roller set comprises a driving roller set (3) and a driven roller set (2), the driven roller set (2) comprises a base (201), and two rows of balls (202) longitudinally distributed at the bottom of the base (201) are transversely lapped on a guide rail (4); the two roller shaft frames (203) are in sliding clamping connection with flanges on two sides of the base (201), the two roller shaft frames (203) are connected with a screw rod feeding mechanism in the base (201), and the screw rod feeding mechanism is in shaft connection with a hand wheel (204) on the outer wall of the base (201); the roller frame (203) is connected with a roller (205) in an upper shaft mode, and the outer surface of the roller (205) is coated with a rubber layer; the driving roller group (3) comprises a driven roller group (2) and a driving element which is arranged on the roller shaft frame (203) and is coupled with the roller (205).
3. The longitudinal seam internal welding machine for the stainless steel pipe as claimed in claim 2, wherein: the driving element comprises a motor (301) and a worm and gear speed reducer set (302), wherein the worm is connected with the motor (301) through a shaft, and the worm gear is connected with the roller (205) through a shaft.
4. The longitudinal seam internal welding machine for the stainless steel pipe as claimed in claim 1, wherein: the guide rail (4) is arranged on the bottom frame (14), and supporting legs (15) for preventing the supporting tube roller set from slipping off are arranged at two ends, located on the guide rail (4), of the bottom frame (14).
5. The longitudinal seam internal welding machine for the stainless steel pipe as claimed in claim 1, wherein: the driving assembly comprises a servo motor (1001) and a matched speed reducer (1002), and an output gear of the speed reducer (1002) is meshed with the rack (13).
6. The longitudinal seam internal welding machine for the stainless steel pipe as claimed in claim 1, wherein: pillar (6) include barrel (602), screw rod (603), nut (604), and barrel (602) inside has guide structure, and nut (604) rotatably sets up the nozzle department at barrel (602), and screw rod (603) lower part is pegged graft with guide structure, upper portion and nut (604) threaded connection, and swivel nut (604), screw rod (603) displacement from top to bottom, and guide pulley (601) set firmly at screw rod (603) top.
7. The longitudinal seam internal welding machine for the stainless steel pipe as claimed in claim 1, wherein: the winding drum supporting assembly further comprises a pipe jacking mechanism (1), the pipe jacking mechanism (1) comprises a supporting table (101), a guide strip (102) parallel to the guide rail (4) is arranged on the top surface of the supporting table (101), a pulling and moving seat (103) is arranged on the guide strip (102) in a sliding mode, an oil cylinder (104) is arranged on the supporting table (101), a cylinder rod is hinged to the pulling and moving seat (103), one side, back to the oil cylinder (104), of the pulling and moving seat (103) is connected with an ejector rod (105), an idler wheel (106) is arranged on the supporting table (101), a rod body of the ejector rod (105) is arranged on the idler wheel (106), and a baffle (107) is fixedly connected to the end of the ejector rod.
8. The longitudinal seam internal welding machine for the stainless steel pipe as claimed in claim 1, wherein: and the gun head (5) is connected with a cooling water pipe (501), and the cooling water pipe (501) is communicated with a water pump and a water source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021596854.8U CN213560665U (en) | 2020-08-05 | 2020-08-05 | Stainless steel pipe longitudinal seam internal welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021596854.8U CN213560665U (en) | 2020-08-05 | 2020-08-05 | Stainless steel pipe longitudinal seam internal welding machine |
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| Publication Number | Publication Date |
|---|---|
| CN213560665U true CN213560665U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021596854.8U Active CN213560665U (en) | 2020-08-05 | 2020-08-05 | Stainless steel pipe longitudinal seam internal welding machine |
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| CN (1) | CN213560665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289838A (en) * | 2022-03-07 | 2022-04-08 | 中铁长安重工有限公司 | Steel coil pipe internal welding device and method |
-
2020
- 2020-08-05 CN CN202021596854.8U patent/CN213560665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289838A (en) * | 2022-03-07 | 2022-04-08 | 中铁长安重工有限公司 | Steel coil pipe internal welding device and method |
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Address after: 030600 north of No.7 Road, Huitong Industrial Park, Jinzhong Development Zone, Shanxi Province Patentee after: Zhonggang Stainless Steel Pipe Industry Technology Shanxi Co.,Ltd. Address before: 030600 north of No.7 Road, Huitong Industrial Park, Jinzhong Development Zone, Shanxi Province Patentee before: SINOSTEEL STAINLESS STEEL PIPE TECHNOLOGY SHANXI CO.,LTD. |