CN108637431B - All-position automatic welding machine for pipeline - Google Patents
All-position automatic welding machine for pipeline Download PDFInfo
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- CN108637431B CN108637431B CN201810457940.1A CN201810457940A CN108637431B CN 108637431 B CN108637431 B CN 108637431B CN 201810457940 A CN201810457940 A CN 201810457940A CN 108637431 B CN108637431 B CN 108637431B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
- B23K9/0286—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections with an electrode moving around the fixed tube during the welding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/127—Means for tracking lines during arc welding or cutting
- B23K9/1272—Geometry oriented, e.g. beam optical trading
- B23K9/1274—Using non-contact, optical means, e.g. laser means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses an all-position automatic welding machine for a pipeline, which comprises a circular guide rail capable of being sleeved on the outer wall of the pipeline, wherein a travelling trolley mechanism is erected on the guide rail and can do circular motion along the circular guide rail. The walking trolley is provided with a welding gun swinging mechanism, the welding gun swinging mechanism is provided with a welding gun lifting mechanism and a welding wire conveying mechanism, and a wire feeding pipe of the welding wire conveying mechanism is connected with a welding gun. The invention replaces manual welding, saves labor force, improves the welding quality and the attractiveness of welding seams and improves the welding efficiency.
Description
Technical Field
The invention belongs to the technical field of mechanical automation equipment, and particularly relates to an all-position automatic welding machine for a pipeline.
Background
With the acceleration of the production rhythm of industrial enterprises, new requirements are put forward on the conveying pipeline, the caliber of the pipeline is larger and larger, and the pressure of the conveying medium is higher and higher, so that higher requirements are put forward on the welding quality and the technology of the pipeline. However, currently, most industrial enterprises still use manual welding techniques. Manual welding usually needs to stop welding temporarily after welding a part of pipe orifice circumferential seams, and can continue welding after a worker changes a working position, which can cause uneven, inconsistent and discontinuous welding seams. Moreover, due to the fact that the welded pipeline does not have a rotating condition in field construction, when the part, close to the ground, of the welded pipeline is welded, workers usually need to lie down on the ground and move the body to complete welding, and the welded seam of the part is usually poor in quality and not attractive. In sum, manual welding is increasingly difficult to meet modern industry requirements.
Disclosure of Invention
The invention aims to provide an all-position automatic welding machine for pipelines, which solves the problems of unattractive welding seams, poor quality and strong labor force of manual welding in the prior art.
The technical scheme includes that the all-position automatic welding machine for the pipeline comprises a circular guide rail which can be sleeved on the outer wall of the pipeline, a travelling trolley mechanism is arranged on the guide rail in an erected mode, and the travelling trolley mechanism can do circular motion along the circular guide rail. The walking trolley mechanism comprises a horizontally arranged rectangular trolley body, and a welding gun swinging mechanism is arranged on the upper surface of the trolley body.
The welding gun swinging mechanism comprises a motor a, the motor a is transversely and fixedly connected to the upper surface of the vehicle body, the motor a is connected with a ball screw a through a coupler a, and the ball screw a is fixed by a U-shaped support frame a fixedly connected to the upper surface of the vehicle body. The nut of the ball screw a penetrates through holes in a pair of side faces of the cuboid nut block a, the nut is movably connected with a groove which is formed in the inner surface of the nut block a and matched with the end of the nut, the nut block a can do linear motion along the ball screw a along with the nut of the ball screw a, and the welding gun swinging mechanism is provided with a welding gun lifting mechanism.
The welding gun lifting mechanism comprises a motor b which is longitudinally arranged on a vertical plane, the motor b is connected with a ball screw b through a coupler b, and the ball screw b is fixed by a support frame b which is fixedly connected to the upper surface of the nut block a. The nut of the ball screw b penetrates through the through hole in the upper surface and the lower surface of the cuboid nut block b, the nut is movably connected with the groove which is formed in the inner surface of the nut block b and is matched with the end of the nut, and the nut block b can move linearly along with the nut of the ball screw b along the ball screw b.
The non-through hole side of the nut block a is fixedly connected with an outer connecting plate a, the outer connecting plate a is fixedly connected with a welding wire conveying mechanism, the welding wire conveying mechanism comprises a wire hanging wheel, a wire guide pipe, a wire feeding wheel, a pressing guide wheel, a motor c and a wire feeding pipe, the wire hanging wheel is movably connected to the upper portion of the outer connecting plate a, the wire guide pipe is arranged below the wire hanging wheel, the wire feeding wheel and the pressing guide wheel are arranged below the wire guide pipe, the wire feeding wheel and the pressing guide wheel are located on the same horizontal position, the wire feeding wheel is fixedly connected to an output shaft of the motor c, the wire feeding pipe is arranged below the wire feeding wheel and the pressing guide wheel, part of the wire feeding pipe is fixedly connected to the outer connecting plate a, welding wires on the wire hanging wheel can enter the wire feeding pipe through the wire feeding wheel and the pressing guide wheel, and a welding gun.
And an external connection plate b is fixedly connected to the side surface of the nut block b and is fixedly connected with a welding gun.
The motor a is connected with the controller a through a lead, the controller a is connected with the control system through a lead, the control system is connected with the switch a through a lead, and the switch a is connected with the power supply through a lead.
The motor b is connected with the switch b through a lead, and the switch b is connected with a power supply through a lead.
The motor c is connected with a controller c through a lead, and the controller c is connected with a control system through a lead.
The welding gun is connected with the switch a through a lead.
The invention is also characterized in that:
the guide rail is formed by detachably connecting two semicircular components through a supporting piece.
The middle part of the guide rail is provided with a gear ring matched with the shape and size of the guide rail, the lower surface of the vehicle body is transversely and fixedly connected with two motors d in parallel, the motors d are fixedly connected with a gear shaft through a coupler d, the gear shaft is fixed by an inverted U-shaped support frame c fixedly connected to the lower surface of the vehicle body, four corners of the lower part of the support frame c are respectively and fixedly connected with a guide wheel, the guide wheels can be clamped into two sides of the guide rail, and gears on the. The motor d is connected with the controller d through a lead, and the controller d is connected with the control system through a lead.
The motor a, the motor b and the motor d are stepping motors.
And the outer connecting plate b is also fixedly connected with a CCD industrial camera, the switch a is connected with the CCD industrial camera through a lead, and the CCD industrial camera is connected with a control system through a lead.
The outer connecting plate b is in an inverted U shape, one side plate of the inverted U-shaped outer connecting plate b is fixedly connected to the side face of the nut block b, and the CCD industrial camera and the welding gun are fixedly connected to the other side plate of the inverted U-shaped outer connecting plate b. And the distance between the two side plates of the inverted U-shaped outer connecting plate b is greater than the length of the ball screw a.
The outer connecting plate a is in an inverted U shape, one side plate of the inverted U-shaped outer connecting plate a is fixedly connected to the non-through hole side face of the nut block a, the welding wire conveying mechanism is arranged on the other side face of the U-shaped outer connecting plate a, and the distance between the two side plates of the U-shaped outer connecting plate a is larger than the length of the motor c.
The horizontal line of the bottom end of the ball screw b is higher than the horizontal line of the top of the side plate of the U-shaped support frame a.
The invention has the beneficial effects that:
the all-position automatic welding machine for the pipeline replaces manual welding, saves labor force, improves the welding quality and the attractiveness of a welding seam, and improves the welding efficiency.
Drawings
FIG. 1 is a schematic structural view of an automatic all-position pipe welding machine according to the present invention;
FIG. 2 is an exploded view of the full position automatic pipeline welder of the present invention;
FIG. 3 is a schematic diagram of the swing mechanism and the lifting mechanism of the all-position automatic pipe welding machine according to the present invention;
FIG. 4 is an exploded view of the swing mechanism and the lifting mechanism of the full position automatic welding machine for pipelines of the present invention;
FIG. 5 is a schematic view of the wire feeding mechanism of the pipe full position automatic welding machine of the present invention;
FIG. 6 is an exploded view of the wire feeding mechanism of the pipe full position automatic welding machine of the present invention;
FIG. 7 is a schematic view of the walking trolley mechanism of the full position automatic welding machine for pipelines of the present invention;
FIG. 8 is an exploded view of the walking trolley mechanism of the pipeline full-position automatic welding machine of the present invention.
In the figure, 1, a guide rail, 2, a travelling trolley mechanism, 3, a vehicle body, 4, a welding gun swinging mechanism, 5, motors a and 6, couplers a and 7, a ball screw a and 8, a support frame a and 9, a nut block a and 10, a welding gun lifting mechanism, 11, a motor b and 12, couplers b and 13, a ball screw b and 14, a support frame b and 15, a nut block b and 16, an external connection plate a and 17, a welding wire conveying mechanism, 18, a wire hanging wheel, 19, a wire guide pipe, 20, a wire feeding wheel, 21, a pressing guide wheel, 22, a motor c and 23, a wire feeding pipe, 24, a welding gun, 25, an external connection plate b and 26, a gear ring, 27, a motor d and 28, couplers d and 29, a gear shaft, 30, a support frame c and 31, a guide wheel and 32, a CCD industrial camera are arranged.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings and the detailed description.
As shown in figure 1, the full-position automatic welding machine for the pipeline comprises a circular guide rail 1 which can be sleeved on the outer wall of the pipeline, wherein the guide rail 1 is formed by detachably connecting two semicircular components through a supporting piece. The guide rail 1 is provided with a travelling trolley mechanism 2, and the travelling trolley mechanism 2 can do circular motion along the circular guide rail 1. The walking trolley mechanism 2 comprises a horizontally arranged rectangular trolley body 3 (shown in fig. 6), a welding gun swinging mechanism 4 (shown in fig. 2) is arranged on the upper surface of the trolley body 3, and a welding gun lifting mechanism 10 and a welding wire conveying mechanism 17 are arranged on the welding gun swinging mechanism 4.
As shown in fig. 3 and 4, the torch swinging mechanism 4 includes a motor a5, the motor a5 is a stepping motor, the motor a6 is transversely fixed to the upper surface of the vehicle body 3, the motor a5 is connected to a ball screw a7 through a coupling a6, and the ball screw a7 is fixed by a U-shaped support frame a8 fixed to the upper surface of the vehicle body 3. The nut of the ball screw a7 penetrates through holes on a pair of side surfaces of the cuboid nut block a9, the nut is movably connected with a groove which is formed in the inner surface of the nut block a9 and is matched with the end of the nut, the nut block a9 can move linearly along the ball screw a7 along with the nut of the ball screw a7, and the welding gun lifting mechanism 10 is arranged on the welding gun swinging mechanism 4.
The welding gun lifting mechanism 10 comprises a motor b11 longitudinally arranged on a vertical plane, the motor b11 is a stepping motor, the motor b11 is connected with a ball screw b13 through a coupler b12, the ball screw b13 is fixed by a support frame b14 fixedly connected to the upper surface of a nut block a9, the horizontal line where the bottom end of the ball screw b13 is located is higher than the horizontal line where the top of a side plate of a U-shaped support frame a8 is located, and the welding gun lifting mechanism 10 is not influenced by the support frame a8 when in action. The nut of the ball screw b13 passes through the through hole on the upper and lower surfaces of the cuboid nut block b15, the nut is movably connected with a groove which is formed on the inner surface of the nut block b15 and is matched with the end of the nut, and the nut block b15 can move linearly along the ball screw b13 along with the nut of the ball screw b 13. An outer connecting plate a16 is fixedly connected to the non-through hole side of the nut block a9, the outer connecting plate a16 is in an inverted U shape, one side plate of the inverted U-shaped outer connecting plate a16 is fixedly connected to the non-through hole side of the nut block a9, the welding wire conveying mechanism 17 is arranged on the other side face of the U-shaped outer connecting plate a16, the distance between the two side plates of the U-shaped outer connecting plate a16 is larger than the length of the motor c22, and the motor c22 is conveniently fixed between the two side plates of the outer connecting plate a 16.
The side of the nut block b15 is fixedly connected with an outer connecting plate b25, the outer connecting plate b25 is in an inverted U shape, one side plate of the inverted U-shaped outer connecting plate b25 is fixedly connected to the side of the nut block b15, the CCD industrial camera 32 and the welding gun 24 are fixedly connected to the other side plate of the inverted U-shaped outer connecting plate b25, the distance between the two side plates of the inverted U-shaped outer connecting plate b25 is larger than the length of the ball screw a7, and the welding gun swinging mechanism 4 is not affected by the outer connecting plate b25 when in action.
The motor a6 is connected with the controller a through a lead, the controller a is connected with the control system through a lead, the control system is connected with the switch a through a lead, and the switch a is connected with the power supply through a lead. The motor b11 is connected to the switch b by a lead wire, and the switch b is connected to the power supply by a lead wire. The motor c22 is connected to the controller c by a wire, and the controller c is connected to the control system by a wire. The welding gun 24 is connected with the switch a through a lead. The switch a is connected with the CCD industrial camera 32 through a lead, and the CCD industrial camera 32 is connected with the control system through a lead.
As shown in fig. 5 and 6, the welding wire feeding mechanism 17 includes a wire hanging wheel 18, a wire guiding pipe 19, a wire feeding wheel 20, a pressing guide wheel 21, a motor c22 and a wire feeding pipe 23, the wire hanging wheel 18 is movably connected to the upper portion of an external connection plate a16, the wire guiding pipe 19 is arranged below the wire hanging wheel 18, the wire feeding wheel 20 and the pressing guide wheel 21 are arranged below the wire guiding pipe 19, the wire feeding wheel 20 and the pressing guide wheel 21 are in the same horizontal position, the wire feeding wheel 20 is fixedly connected to an output shaft of the motor c22, the wire feeding pipe 23 is arranged below the wire feeding wheel 20 and the pressing guide wheel 21, part of the wire feeding pipe 23 is fixedly connected to the external connection plate a16, the welding wire on the wire hanging wheel 18 can pass through the wire feeding wheel 20 and the pressing guide wheel 21 to enter the wire feeding pipe 23, and the wire feeding pipe 23 is fixedly connected to a welding gun 24.
As shown in fig. 7 and 8, a gear ring 26 (shown in fig. 1) is disposed in the middle of the guide rail 1, the shape and size of which are matched with those of the guide rail 1, two motors d27 are transversely and fixedly connected to the lower surface of the vehicle body 3 in parallel, the motor d27 is a stepping motor, the motor d27 is fixedly connected to the gear shaft 29 through a coupling d28, the gear shaft 29 is fixed by an inverted U-shaped support frame c30 fixedly connected to the lower surface of the vehicle body 3, four corners of the lower portion of the support frame c30 are fixedly connected to guide wheels 31 respectively, the guide wheels 31 can be clamped into two sides of the guide rail 1. The motor d27 is connected to the controller d via a wire, and the controller d is connected to the control system via a wire.
The working process of the all-position automatic welding machine for the pipeline comprises the following steps: the all-position automatic welding machine for the pipeline is arranged at the position of a pipe seam to be welded, and the positions of the welding gun swinging mechanism 4 and the welding gun lifting mechanism 10 are adjusted to enable the welding gun 24 to be aligned with the pipe seam to be welded. Then, the switch a is turned on, the CCD industrial camera 32 starts to shoot the pipe seam to be welded, the shot information of the pipe seam to be welded is transmitted to the control system, the control system analyzes the information, then each analyzed parameter is respectively transmitted to the corresponding controller, and then the welding gun swinging mechanism 4, the walking trolley mechanism 2, the welding wire conveying mechanism 17 and the welding gun 24 respectively start to work under the control of the respective controller to weld the pipe seam to be welded. After one pipe seam welding is finished, moving the full-position automatic welding machine for the pipeline to the position of the next pipe seam to be welded, and repeating the operation. In addition, the parameter information of the pipe seam to be welded can be manually input into the control system for parameter information analysis without installing the CCD industrial camera 32.
Claims (8)
1. Pipeline all position automatic weld machine, its characterized in that: the pipeline guide rail device comprises a circular guide rail (1) which can be sleeved on the outer wall of a pipeline, wherein a travelling trolley mechanism (2) is erected on the guide rail (1), and the travelling trolley mechanism (2) can do circular motion along the circular guide rail (1); the travelling trolley mechanism (2) comprises a horizontally arranged rectangular trolley body (3), and a welding gun swinging mechanism (4) is arranged on the upper surface of the trolley body (3);
the welding gun swinging mechanism (4) comprises a motor a (5), the motor a (5) is transversely and fixedly connected to the upper surface of the vehicle body (3), the motor a (5) is connected with a ball screw a (7) through a coupler a (6), and the ball screw a (7) is fixed by a U-shaped support frame a (8) fixedly connected to the upper surface of the vehicle body (3); the nut of the ball screw a (7) penetrates through holes in a pair of side faces of a cuboid nut block a (9), the nut is movably connected with a groove which is formed in the inner surface of the nut block a (9) and is matched with the end of the nut, the nut block a (9) can do linear motion along the ball screw a (7) along with the nut of the ball screw a (7), and a welding gun lifting mechanism (10) is arranged on the welding gun swinging mechanism (4);
the welding gun lifting mechanism (10) comprises a motor b (11) which is longitudinally arranged on a vertical plane, the motor b (11) is connected with a ball screw b (13) through a coupler b (12), and the ball screw b (13) is fixed by a support frame b (14) which is fixedly connected to the upper surface of a nut block a (9); the nut of the ball screw b (13) penetrates through a through hole in the upper surface and the lower surface of the cuboid nut block b (15), the nut is movably connected with a groove which is formed in the inner surface of the nut block b (15) and is matched with the end of the nut, and the nut block b (15) can linearly move along the ball screw b (13) along with the nut of the ball screw b (13);
the non-through hole side of the nut block a (9) is fixedly connected with an outer connecting plate a (16), the outer connecting plate a (16) is fixedly connected with a welding wire conveying mechanism (17), the welding wire conveying mechanism (17) comprises a wire hanging wheel (18), a wire guide pipe (19), a wire feeding wheel (20), a pressing guide wheel (21), a motor c (22) and a wire feeding pipe (23), the wire hanging wheel (18) is movably connected to the upper part of the outer connecting plate a (16), the wire guide pipe (19) is arranged below the wire hanging wheel (18), the wire feeding wheel (20) and the pressing guide wheel (21) are arranged below the wire guide pipe (19), the wire feeding wheel (20) and the pressing guide wheel (21) are at the same horizontal position, the wire feeding wheel (20) is fixedly connected to an output shaft of the motor c (22), the wire feeding wheel (20) and the pressing guide wheel (21) are provided with a wire feeding pipe (23), part of the wire feeding pipe (23) is fixedly connected to the outer connecting plate a (16), welding wires on the wire hanging wheel (18) can enter the wire feeding pipe (23) through the wire guide pipe (19) and pass through the space between the wire feeding wheel (20) and the pressing guide wheel (21), and the wire feeding pipe (23) is fixedly connected with a welding gun (24);
an outer connecting plate b (25) is fixedly connected to the side face of the nut block b (15), and the outer connecting plate b (25) is fixedly connected with a welding gun (24);
the motor a (5) is connected with a controller a through a lead, the controller a is connected with a control system through a lead, the control system is connected with a switch a through a lead, and the switch a is connected with a power supply through a lead;
the motor b (11) is connected with a switch b through a lead, and the switch b is connected with a power supply through a lead;
the motor c (22) is connected with a controller c through a lead, and the controller c is connected with a control system through a lead;
the welding gun (24) is connected with the switch a through a lead.
2. The automatic all-position welding machine for pipes according to claim 1, characterized in that: the guide rail (1) is formed by detachably connecting two semicircular components through supporting pieces.
3. The automatic all-position welding machine for pipes according to claim 1, characterized in that: the middle part of the guide rail (1) is provided with a gear ring (26) matched with the shape and size of the guide rail (1), the lower surface of the vehicle body (3) is transversely and fixedly connected with two motors d (27) in parallel, the motors d (27) are fixedly connected with a gear shaft (29) through shaft couplings d (28), the gear shaft (29) is fixed by an inverted U-shaped support frame c (30) fixedly connected with the lower surface of the vehicle body (3), four corners at the lower part of the support frame c (30) are fixedly connected with guide wheels (31) respectively, the guide wheels (31) can be clamped into two sides of the guide rail (1), and gears on the gear shaft (29) are meshed with the gear ring (26); the motor d (27) is connected with a controller d through a lead, and the controller d is connected with a control system through a lead.
4. The automatic all-position welding machine for pipes according to claim 3, characterized in that: the motor a (5), the motor b (11) and the motor d (27) are stepping motors.
5. The automatic all-position welding machine for pipes according to claim 1, characterized in that: still the rigid coupling has CCD industry camera (32) on outer fishplate bar b (25), switch a is connected with CCD industry camera (32) through the wire, CCD industry camera (32) are connected with control system through the wire.
6. The automatic all-position welding machine for pipes according to claim 5, characterized in that: the outer connecting plate b (25) is in an inverted U shape, one side plate of the inverted U-shaped outer connecting plate b (25) is fixedly connected to the side face of the nut block b (15), and the CCD industrial camera (32) and the welding gun (24) are fixedly connected to the other side plate of the inverted U-shaped outer connecting plate b (25); and the distance between the two side plates of the inverted U-shaped external connecting plate b (25) is greater than the length of the ball screw a (7).
7. The automatic all-position welding machine for pipes according to claim 1, characterized in that: the welding wire feeding mechanism is characterized in that the outer connecting plate a (16) is in an inverted U shape, one side plate of the inverted U-shaped outer connecting plate a (16) is fixedly connected to the side face of a non-through hole of the nut block a (9), the welding wire feeding mechanism (17) is arranged on the other side face of the inverted U-shaped outer connecting plate a (16), and the distance between two side plates of the inverted U-shaped outer connecting plate a (16) is larger than the length of the motor c (22).
8. The automatic all-position welding machine for pipes according to claim 1, characterized in that: the horizontal line where the bottom end of the ball screw b (13) is located is higher than the horizontal line where the top of the side plate of the U-shaped support frame a (8) is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810457940.1A CN108637431B (en) | 2018-05-14 | 2018-05-14 | All-position automatic welding machine for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810457940.1A CN108637431B (en) | 2018-05-14 | 2018-05-14 | All-position automatic welding machine for pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN108637431A CN108637431A (en) | 2018-10-12 |
| CN108637431B true CN108637431B (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810457940.1A Active CN108637431B (en) | 2018-05-14 | 2018-05-14 | All-position automatic welding machine for pipeline |
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| CN108637431A (en) | 2018-10-12 |
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