Welding equipment and method for pipeline butt joint

Abstract

The welding equipment comprises a welding table, a fixed beam is fixedly arranged on the welding table, a welding frame is fixedly arranged on the fixed beam, a welding device is arranged on the welding table, and the welding device comprises a cleaning device arranged in the welding frame and used for cleaning the welding positions of the pipelines, and a welding device arranged in the welding frame and used for welding the welding positions of the pipelines. The cleaning device comprises grinding assemblies which are arranged at the two ends of the welding frame and used for grinding the welding position of the pipeline, and the cleaning assemblies are arranged at the bottom of the welding frame and used for collecting and cleaning waste, waste gas and the like generated during grinding and welding. Polishing and cleaning are conducted on the position needing to be welded through the polishing plate on the sealing plate A, then it is guaranteed that the welding position is free of impurities, the welding quality of the welding position is improved, then waste generated during polishing and welding is collected through the dust suction machine, and therefore the workload of cleaning welding equipment at first is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of pipeline butt joint, and in particular relates to a welding device and a method for pipeline butt joint. Background Art

[0002] Pipelines are required as transmission media for the transmission of oil, natural gas, water resources, etc. However, this type of transmission often has high requirements on the sealing and length of the pipeline to ensure its sealing performance. At present, the welding between pipes is more and more widely used. In the process of connecting metal pipes, butt welding is required.

[0003] The invention discloses an automatic pipeline welding device and a welding method with the publication number CN113695807A. The invention designs a machine for limiting and clamping square steel pipes and welding them after butt jointing. During welding, the welding position is ensured to be always in a tight state, which improves the welding effect and reduces the possibility of fracture at the weld. At the same time, it avoids the situation of manual welding at the weld, and there is no need to manually move the butt joint position, which improves the welding efficiency and reduces the burden on the staff.

[0004] However, in order to improve the quality of welding, the welding point is usually ground by hand using a grinding wheel. At the same time, after the grinding is completed, the debris remaining in the processing site needs to be cleaned up, which increases the workload of the workers and affects their welding efficiency. Summary of the invention

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art; to this end, the present invention provides a welding device and a method for pipe butt welding.

[0006] To achieve the above object, the present invention provides the following technical solution: a welding device and method for pipe butt joint, comprising: a welding table, characterized in that a fixed beam is fixedly provided on the welding table, a welding frame is fixedly provided on the fixed beam, a welding device is provided on the welding table, and the welding device comprises: A cleaning device is arranged inside the welding frame and is used to clean the pipe welding part. The cleaning device includes a grinding assembly arranged at both ends of the welding frame and is used to grind the pipe welding part. A cleaning assembly is arranged at the bottom of the welding frame and is used to collect and clean the waste materials, waste gas, etc. generated during grinding and welding. A welding assembly, arranged on the fixed beam and used for welding the pipeline; The fixing components are arranged on both sides of the welding table and are used for fixing and loading the pipeline.

[0007] As a further preferred embodiment of the present technical solution: the grinding assembly includes multiple groups of electric telescopic rods A fixedly arranged at both ends of the welding frame, sealing plates A and sealing plates B are fixedly arranged at the ends of the electric telescopic rods A, a grinding plate is fixedly arranged on the sealing plate A, an arc-shaped limiting plate A is arranged inside the welding frame, and the arc-shaped limiting plate A is connected to the electric telescopic rod B fixedly arranged on the welding frame.

[0008] As a further preferred embodiment of the present technical solution: the cleaning assembly includes a waste pipe fixedly arranged at the bottom of the welding frame, a cooling frame is fixedly arranged inside the welding frame, a refrigeration plate is fixedly arranged inside the cooling frame, one end of the waste pipe is fixedly connected to a waste box, one side of the waste box is fixedly connected to a vacuum cleaner via an exhaust pipe, one side of the vacuum cleaner is fixedly connected to a purification box via an exhaust pipe, and one side of the purification box is fixedly provided with an air outlet pipe.

[0009] As a further preferred embodiment of the present technical solution: the welding assembly includes an electric telescopic rod C fixedly arranged on a fixed beam, a connecting frame is fixedly arranged at the end of the electric telescopic rod C, a welding head is slidably connected to the connecting frame, a pull plate is fixedly connected to the connecting frame via a fixing spring, a positioning groove is provided on the welding head, and a positioning rod matching the positioning groove is fixedly arranged on the pull plate.

[0010] As a further preferred embodiment of the present technical solution: the fixed component includes a loading platform slidably arranged on both sides of the welding platform, a mounting plate is fixedly arranged on the loading platform, a motor A is fixedly arranged on the mounting plate, a placement plate is fixedly arranged at the end of the motor A, a driving rod A is rotatably arranged on the placement plate, two groups of arc-shaped limit plates B are threadedly sleeved on the driving rod A, a motor B is fixedly arranged at the end of the driving rod A, an electric telescopic rod D is fixedly arranged at one end of the mounting plate, and an arc-shaped lifting plate is fixedly arranged at the end of the electric telescopic rod D.

[0011] As a further preferred embodiment of the technical solution: an adjustment frame is fixedly provided at the center of the mounting plate, a driving rod B is rotatably provided inside the adjustment frame, two groups of moving blocks are threadedly sleeved on the driving rod B, and the moving blocks are movably connected to a support plate via a connecting rod.

[0012] As a further preferred embodiment of the present technical solution: the driving rod A and the driving rod B are both bidirectional screw rods, the driving rod A is fixedly provided with a bevel gear A, and the end of the driving rod B is fixedly provided with a bevel gear B meshing with the bevel gear A.

[0013] As a further preferred embodiment of the technical solution: guide rollers are rotatably provided at the joints between the sealing plates A and B and the product, a receiving groove is provided on the sealing plate B, and an extension block matching the receiving groove is fixed on the sealing plate A.

[0014] As a further preferred embodiment of the technical solution: the welding frame and the arc-shaped limiting plate A are both provided with welding grooves, and the arc-shaped limiting plate A is provided with ventilation holes.

[0015] The specific process of welding equipment during pipeline welding is as follows: S1. Place the pipe to be welded on the mounting plates on the loading tables on both sides of the welding table, and then use the motor B to drive the arc fixing plate B and the support plate to move, so that the arc fixing plate B contacts the outer wall of the pipe and the support plate contacts the inner wall of the pipe, thereby fixing the pipe. At the same time, the electric telescopic rod D drives the arc lifting plate to support the product. S2. Then push the pipe into the welding frame, and drive the sealing plate A and the sealing plate B to connect with the pipe through the electric telescopic rod A, so that the grinding plate contacts the required welding position of the product, and then drive the product to rotate through the motor A on the mounting plate, so as to realize grinding of the pipe welding position; S3. After grinding is completed, the electric telescopic rod A drives the sealing plate A and the sealing plate B to move, and then pushes the pipe to the bottom of the welding groove, and then the electric telescopic rods A and B drive the sealing plate A, the sealing plate B and the arc-shaped limit plate B to contact the product, and then the electric telescopic rod C drives the welding head to move to the top of the welding position, and then the motor A drives the product to rotate, and the welding machine head is used to weld the product; S4. During welding, the vacuum cleaner is started to collect impurities generated during grinding and welding. At the same time, the refrigeration plate in the cooling frame is started to collect impurities, waste gas, etc. generated during grinding and welding through the suction force of the vacuum cleaner. At the same time, the cold air generated by the refrigeration plate is transported to the position of the pipeline welding to cool the welding point, and the waste is transported to the waste box through the waste pipe, and the waste gas is transported to the purification box through the exhaust pipe.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the grinding plate on the sealing plate A is used to grind and clean the required welding position, thereby ensuring that there are no impurities at the welding position, thereby reducing the occupancy rate of impurities in the weld during welding, thereby improving its welding quality, and then the waste generated during grinding and welding is collected by a vacuum cleaner, thereby reducing the workload of cleaning the welding equipment first, and at the same time, the cold air generated by the refrigeration plate is blown onto the welded product, thereby accelerating the cooling of the product and ensuring the welding quality.

[0017] 2. In the present invention, the motor B placed on the plate on the loading table drives the driving rod A and the driving rod B to rotate, thereby driving the arc-shaped limit plate B and the support plate to move, thereby achieving the ability to fix products of different sizes, and driving the positioning rod to move through the upper pull plate of the connecting frame, thereby facilitating the replacement of the welding joint, so that the equipment can weld pipes of different sizes, thereby improving its applicability.

[0018] 3. In the present invention, the electric telescopic rod A drives the extension block on the sealing plate A to move into the storage groove on the sealing plate B, so as to achieve sealing of the welding pipe, thereby reducing the waste of cold air generated by the refrigeration plate during welding, and also reducing the risk of burns caused by the user accidentally touching the welding position during welding, thereby improving its safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the present invention; Figure 2 An exploded schematic diagram of the grinding assembly and the cleaning assembly of the present invention; Figure 3 It is an exploded schematic diagram of the welding assembly of the present invention; Figure 4 It is an exploded schematic diagram of the fixing assembly of the present invention; Figure 5 It is a schematic diagram of the cooling frame of the present invention; Figure 6 Schematic diagram of sealing plate A and sealing plate B of the present invention.

[0020] Legend: 1. Welding table; 2. Fixed beam; 3. Welding frame; 4. Grinding assembly; 401. Electric telescopic rod A; 402. Sealing plate A; 403. Sealing plate B; 404. Grinding plate; 405. Arc stop plate A; 406. Electric telescopic rod B; 5. Cleaning assembly; 501. Waste pipe; 502. Cooling frame; 503. Refrigeration plate; 504. Waste box; 505. Vacuum cleaner; 506. Exhaust pipe; 507. Purification box; 6. Welding assembly; 601. Electric telescopic rod C; 602. Connecting Connecting frame; 603, welding head; 604, positioning groove; 605, positioning rod; 7, fixing assembly; 701, loading platform; 702, mounting plate; 703, motor A; 704, placement plate; 705, driving rod A; 706, arc-shaped limit plate B; 707, motor B; 708, electric telescopic rod D; 709, arc-shaped lifting plate; 710, adjustment frame; 711, driving rod B; 712, moving block; 713, support plate; 8, bevel gear A; 9, bevel gear B; 10, welding groove; 11, vent. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Please refer to Figures 1-6, the present application provides a welding device and method for pipe butt joint, including: Embodiment 1: comprising: a welding table 1, a fixed beam 2 is fixedly provided on the welding table 1, a welding frame 3 is fixedly provided on the fixed beam 2, a welding device is provided on the welding table 1, and the welding device comprises: a cleaning device, arranged inside the welding frame 3 for cleaning the pipe welding part, the cleaning device comprises a grinding assembly 4, arranged at both ends of the welding frame 3 for grinding the pipe welding part, a cleaning assembly 5, arranged at the bottom of the welding frame 3 for collecting and cleaning the waste materials, waste gas, etc. generated during grinding and welding; a welding assembly 6, arranged on the fixed beam 2 for welding the pipe; a fixing assembly 7, arranged on both sides of the welding table 1 for fixed feeding of the pipe, the grinding assembly 4 comprises a plurality of electric telescopic rods A401 fixedly provided at both ends of the welding frame 3, and a sealing plate A402 is fixedly provided at the end of the electric telescopic rod A401 A grinding plate 404 is fixedly arranged on the sealing plate B403 and the sealing plate A402, an arc-shaped limit plate A405 is arranged inside the welding frame 3, and an electric telescopic rod B406 fixedly arranged on the welding frame 3 is connected to the arc-shaped limit plate A405, and the cleaning component 5 includes a waste pipe 501 fixedly arranged at the bottom of the welding frame 3, a cooling frame 502 is fixedly arranged inside the welding frame 3, and a refrigeration plate 503 is fixedly arranged inside the cooling frame 502, one end of the waste pipe 501 is fixedly connected to a waste box 504, and a filter plate is fixedly arranged inside the waste box 504, one side of the waste box 504 is fixedly connected to a vacuum cleaner 505 through an exhaust pipe, and one side of the vacuum cleaner 505 is fixedly connected to a purification box 507 through an exhaust pipe 506, a purification plate is fixedly arranged inside the purification box 507, and an exhaust pipe is fixedly arranged on one side of the purification box 507.

[0023] The grinding plate 404 on the sealing plate A402 is used to grind and clean the required welding position to ensure that there are no impurities at the welding position, thereby reducing the occupancy rate of impurities in the weld during welding and improving its welding quality. Then, the waste generated during grinding and welding is collected by the vacuum cleaner 505, thereby reducing the workload of cleaning the welding equipment first. At the same time, the cold air generated by the refrigeration plate 503 is blown onto the welded product, thereby accelerating the cooling of the product and ensuring the welding quality.

[0024] Example 2 On the basis of Example 1, the welding assembly 6 includes an electric telescopic rod C601 fixedly set on the fixed beam 2, a connecting frame 602 is fixedly provided at the end of the electric telescopic rod C601, a welding head 603 is slidably connected to the connecting frame 602, a pull plate is fixedly connected to the connecting frame 602 through a fixing spring, a positioning groove 604 is opened on the welding head 603, and a positioning rod 605 matching the positioning groove 604 is fixedly provided on the pull plate. The fixed assembly 7 includes a loading platform 701 slidably set on both sides of the welding table 1, a mounting plate 702 is fixedly provided on the loading platform 701, a motor A703 is fixedly provided on the mounting plate 702, a placement plate 704 is fixedly provided at the end of the motor A703, a driving rod A705 is rotatably provided on the placement plate 704, and the driving rod A Two groups of arc-shaped limit plates B706 are threadedly sleeved on 705, a motor B707 is fixedly provided at the end of the driving rod A705, an electric telescopic rod D708 is fixedly provided at one end of the mounting plate 702, an arc-shaped lifting plate 709 is fixedly provided at the end of the electric telescopic rod D708, an adjustment frame 710 is fixedly provided at the center position of the mounting plate 702, a driving rod B711 is rotated inside the adjusting frame 710, two groups of moving blocks 712 are threadedly sleeved on the driving rod B711, and a support plate 713 is movably connected to the moving block 712 through a connecting rod, the driving rod A705 and the driving rod B711 are both bidirectional screws, a bevel gear A8 is fixedly provided on the driving rod A705, and a bevel gear B9 meshing with the bevel gear A8 is fixedly provided at the end of the driving rod B711.

[0025] The motor B707 on the plate 704 placed on the loading platform 701 drives the driving rod A705 and the driving rod B711 to rotate, thereby driving the arc-shaped limit plate B706 and the support plate 713 to move, thereby achieving the ability to fix products of different sizes, and driving the positioning rod 605 to move through the upper pull plate of the connecting frame 602, thereby facilitating the replacement of the welding head 603, so that the equipment can weld pipes of different sizes, thereby improving its applicability.

[0026] Example 3 On the basis of Example 1, guide rollers are rotatably provided at the joints between the sealing plates A402 and B403 and the product, a receiving groove is provided on the sealing plate B403, an extension block matching the receiving groove is fixedly provided on the sealing plate A402, welding grooves 10 are provided on the welding frame 3 and the arc-shaped limit plate A405, and a vent 11 is provided on the arc-shaped limit plate A405.

[0027] The electric telescopic rod A401 drives the extension block on the sealing plate A402 to move into the storage groove on the sealing plate B403, thereby sealing the welding pipe, thereby reducing the waste of cold air generated by the refrigeration plate 503 during welding, and also reducing the risk of burns caused by the user accidentally touching the welding position during welding, thereby improving its safety.

[0028] Working principle: The pipe to be welded is placed on the mounting plate 702 on the loading table 701 on both sides of the welding table 1, and then the arc fixing plate B and the support plate 713 are driven to move by the motor B707, so that the arc fixing plate B contacts the outer wall of the pipe and the support plate 713 contacts the inner wall of the pipe, thereby fixing the pipe. At the same time, the arc lifting plate 709 is driven by the electric telescopic rod D708 to support the product, and then the pipe is pushed into the welding frame 3, and the sealing plate A402 and the sealing plate B403 are driven to connect with the pipe by the electric telescopic rod A401, so that the grinding plate 404 contacts the required welding position of the product, and then the motor A703 on the mounting plate 702 drives the product to rotate, thereby grinding the pipe welding part. After grinding, the sealing plate A402 and the sealing plate B403 are driven to move by the electric telescopic rod A401, and then the pipe is pushed to the bottom of the welding groove 10. Then, the sealing plate A402, the sealing plate B403 and the arc limit plate B706 are driven to contact the product through the electric telescopic rod A401 and the electric telescopic rod B406, and then the welding head 603 is driven to move through the electric telescopic rod C601 to move it to the top of the welding position, and then the product is driven to rotate through the motor A703, and the product is welded through the welding head. During welding, the vacuum cleaner 505 is started to collect impurities generated during grinding and welding. At the same time, the refrigeration plate 503 in the cooling frame 502 is started, so that the impurities and waste gas generated during grinding and welding are collected by the suction force of the vacuum cleaner 505, and the cold air generated by the refrigeration plate 503 is transported to the position of the pipeline welding to cool the welding point, and the waste is transported to the waste box 504 through the waste pipe 501, and the waste gas is transported to the purification box 507 through the exhaust pipe 506.

[0029] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. A welding device for pipe butt joint, comprising: The welding platform is characterized in that a fixed beam is fixedly provided on the welding platform, a welding frame is fixedly provided on the fixed beam, a welding device is provided on the welding platform, and the welding device comprises: A cleaning device is arranged inside the welding frame and is used to clean the pipe welding part. The cleaning device includes a grinding component and a cleaning component. The grinding component is arranged at both ends of the welding frame and is used to grind the pipe welding part. The cleaning component is arranged at the bottom of the welding frame and is used to collect and clean the waste materials, waste gas, etc. generated during grinding and welding. A welding assembly, arranged on the fixed beam and used for welding the pipeline; The fixing components are arranged on both sides of the welding table and are used for fixing and loading the pipeline.

2. A welding device for pipe butt joint according to claim 1, characterized in that: The grinding assembly includes multiple groups of electric telescopic rods A fixedly arranged at both ends of the welding frame, sealing plates A and sealing plates B are fixedly arranged at the ends of the electric telescopic rods A, a grinding plate is fixedly arranged on the sealing plate A, an arc-shaped limiting plate A is arranged inside the welding frame, and the arc-shaped limiting plate A is connected to the electric telescopic rod B fixedly arranged on the welding frame.

3. A welding device for pipe butt joint according to claim 1, characterized in that: The cleaning assembly includes a waste pipe fixedly arranged at the bottom of the welding frame, a cooling frame fixedly arranged inside the welding frame, a refrigeration plate fixedly arranged inside the cooling frame, one end of the waste pipe is fixedly connected to a waste box, one side of the waste box is fixedly connected to a vacuum cleaner via an exhaust pipe, one side of the vacuum cleaner is fixedly connected to a purification box via an exhaust pipe, and one side of the purification box is fixedly provided with an exhaust pipe.

4. The welding equipment for pipe butt joint according to claim 1, characterized in that: The welding assembly includes an electric telescopic rod C fixedly arranged on a fixed beam, a connecting frame fixedly arranged at the end of the electric telescopic rod C, a welding head slidably connected to the connecting frame, a pull plate fixedly connected to the connecting frame via a fixing spring, a positioning groove is provided on the welding head, and a positioning rod matching the positioning groove is fixedly arranged on the pull plate.

5. The welding equipment for pipe butt joint according to claim 1, characterized in that: The fixed component includes a loading platform slidably arranged on both sides of the welding platform, a mounting plate is fixedly arranged on the loading platform, a motor A is fixedly arranged on the mounting plate, a placement plate is fixedly arranged at the end of the motor A, a driving rod A is rotatably arranged on the placement plate, two groups of arc-shaped limit plates B are threadedly sleeved on the driving rod A, a motor B is fixedly arranged at the end of the driving rod A, an electric telescopic rod D is fixedly arranged at one end of the mounting plate, and an arc-shaped lifting plate is fixedly arranged at the end of the electric telescopic rod D.

6. A welding device for pipe butt joint according to claim 5, characterized in that: An adjustment frame is fixedly provided at the center of the mounting plate, a driving rod B is rotatably provided inside the adjustment frame, two groups of moving blocks are threadedly sleeved on the driving rod B, and the moving blocks are movably connected to a support plate via a connecting rod.

7. A welding device for pipe butt joint according to claim 6, characterized in that: The driving rod A and the driving rod B are both bidirectional screw rods. The driving rod A is fixedly provided with a bevel gear A, and the end of the driving rod B is fixedly provided with a bevel gear B meshing with the bevel gear A.

8. The welding equipment for pipe butt joint according to claim 2, characterized in that: The sealing plates A and B are rotatably provided with guide rollers at the joints with the product, the sealing plate B is provided with a receiving groove, and the sealing plate A is fixedly provided with an extension block matching the receiving groove.

9. The welding equipment for pipe butt joint according to claim 1, characterized in that: The welding frame and the arc-shaped limiting plate A are both provided with welding grooves, and the arc-shaped limiting plate A is provided with ventilation holes.

10. A welding method for welding equipment for pipe butt joint, characterized in that: The welding device for pipe butt jointing according to any one of claims 1 to 9: The specific process of welding equipment during pipeline welding is as follows: S1. Place the pipe to be welded on the mounting plates on the loading tables on both sides of the welding table, and then use the motor B to drive the arc fixing plate B and the support plate to move, so that the arc fixing plate B contacts the outer wall of the pipe and the support plate contacts the inner wall of the pipe, thereby fixing the pipe. At the same time, the electric telescopic rod D drives the arc lifting plate to support the product. S2. Then push the pipe into the welding frame, and drive the sealing plate A and the sealing plate B to connect with the pipe through the electric telescopic rod A, so that the grinding plate contacts the required welding position of the product, and then drive the product to rotate through the motor A on the mounting plate, so as to realize grinding of the pipe welding position; S3. After grinding is completed, the electric telescopic rod A drives the sealing plate A and the sealing plate B to move, and then pushes the pipe to the bottom of the welding groove, and then the electric telescopic rods A and B drive the sealing plate A, the sealing plate B and the arc-shaped limit plate B to contact the product, and then the electric telescopic rod C drives the welding head to move to the top of the welding position, and then the motor A drives the product to rotate, and the welding machine head is used to weld the product; S4. During welding, the vacuum cleaner is started to collect impurities generated during grinding and welding. At the same time, the refrigeration plate in the cooling frame is started to collect impurities, waste gas, etc. generated during grinding and welding through the suction force of the vacuum cleaner. At the same time, the cold air generated by the refrigeration plate is transported to the position of the pipeline welding to cool the welding point, and the waste is transported to the waste box through the waste pipe, and the waste gas is transported to the purification box through the exhaust pipe.

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