Steel wire composite pipe welding device

Abstract

The utility model relates to the technical field of pipeline welding, in particular to a steel wire composite pipe welding device which comprises an operation table, a first steel wire composite pipe and a second steel wire composite pipe, and clamping mechanisms used for fixing the first steel wire composite pipe and the second steel wire composite pipe are arranged at the positions, close to the two ends, of the surface of the operation table. By arranging the clamping mechanism, the polishing mechanism can be used for directly polishing an oxide layer at the connecting position when the first steel wire composite pipe and the second steel wire composite pipe are welded, manual polishing is not needed, the workload is reduced, the working efficiency is improved, the fixing mechanism is arranged so that the electric melting pipe fitting can be fixed to the surface of the operation table, and the welding quality is improved. According to the welding device, the position cannot deviate when the welding device is in butt joint with a pipe during welding, the welding quality is improved, the welding device can be suitable for welding pipelines of different sizes, and actual operation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline welding, in particular to a steel wire composite pipe welding device. Background Art

[0002] Steel wire composite pipe, also known as metal hose, is a kind of pipe made of inner rubber tube, steel wire mesh layer and outer rubber layer. Its main application areas are the transportation of chemicals, oil, natural gas and other fluid media. It is also widely used in the construction industry, machinery manufacturing industry, metallurgy industry and other fields. Steel wire composite pipe has the characteristics of pressure resistance, corrosion resistance and wear resistance, making it an indispensable pipe in various industries.

[0003] When two steel wire composite pipes need to be butt-jointed, electric fusion welding is generally used. Before welding, the oxide layer at the joint of the pipe surface needs to be removed and the pipe needs to be cleaned. Then, the two cleaned pipe fittings are inserted into the electric fusion pipe fittings, and the output electrode of the electric fusion welding machine is inserted into the electrode column of the pipe fitting. The electric fusion welding machine is started, and the voltage and time parameters required for welding are input and then welding begins. The output cable can be removed without affecting the cooling and welding of the pipe. In this process, the interface between the pipe and the electric fusion welding machine needs to be kept stable to ensure the welding quality. The patent with publication number CN217702135U discloses a PE steel wire skeleton composite pipe. The pipe welding device can fix the pipe through the coordinated use of the first ring, the second ring, the bidirectional threaded rod and the threaded sleeve, and then put the pipe into the middle position of the mounting plate, move the pipe so that the pipe is inserted into the inside of the pipe, avoid deviation between the pipe and the pipe, so as to facilitate the subsequent welding machine to complete the welding work. The patent does not have a grinding device to remove the oxide layer on the surface of the pipe during welding, and manual grinding is required before welding, which increases the workload and reduces the work efficiency. In addition, it can only weld the same type of pipes and cannot be applied to multiple types of pipes, which is not convenient for actual use. Utility Model Content

[0004] The purpose of the utility model is to provide a steel wire composite pipe welding device, which solves the problem that in the prior art, the steel wire composite pipe has no grinding device for removing the oxide layer on the surface of the pipe during welding, and manual grinding is required before welding, which increases the workload and reduces the work efficiency. In addition, the device can only weld pipes of the same model and cannot be applied to pipes of various models, which is inconvenient for practical use.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A steel wire composite pipe welding device comprises an operating table, a first steel wire composite pipe and a second steel wire composite pipe, wherein clamping mechanisms for fixing the first steel wire composite pipe and the second steel wire composite pipe are arranged on the surface of the operating table near both ends, and auxiliary mechanisms for moving the clamping mechanisms are arranged on both ends of the operating table, and two sets of grinding mechanisms are fixedly installed on the surface of the operating table, and the grinding mechanisms comprise a fixing frame, which is fixedly installed on the top of the operating table, and the fixing frame is an annular structure, and a connecting ring is rotatably connected to the inner wall of the fixing frame, and a connecting plate is arranged on the surface of the connecting ring, and a scraper and cleaning cotton are fixedly installed on the bottom of the connecting plate, and a driving mechanism for driving the connecting ring to rotate is arranged on the surface of the fixing frame, and a fixing mechanism for fixing an electric fusion pipe fitting is fixedly installed at the center position of the operating table.

[0007] Preferably, the fixing mechanism includes a connecting block, which is fixedly installed on the surface of the operating table at a center position, and a long groove is opened on the surface of the connecting block. A fourth screw is rotatably inserted inside the long groove of the connecting block, and the fourth screw is provided with two opposite threads with its midpoint as the dividing line. Two fixed blocks are slidably connected inside the long groove, and the two fixed blocks are respectively threadedly connected to the two ends of the fourth screw, and the fourth screw passes through one end of the connecting block and is fixedly installed with a handle.

[0008] Preferably, two slide grooves are provided on the top of the operating table, and the two clamping mechanisms are respectively located inside the two slide grooves. The clamping mechanism includes a T-shaped block, and the T-shaped block is slidably connected inside the slide groove. A long groove is provided on the top of the T-shaped block, and a first screw is rotatably connected inside the long groove. The first screw is provided with two sections of opposite threads with its midpoint as the dividing line, and two clamping blocks are slidably connected inside the long groove. The two clamping blocks are respectively threadedly connected to the two ends of the first screw, and one end of the first screw rotates through the T-shaped block and is fixedly installed with a handle.

[0009] Preferably, the auxiliary mechanism includes a first motor, which is fixed at the end of the operating table, and a second screw is fixedly installed on the output shaft port of the first motor, and the second screw is rotatably connected to the inside of the slide groove, and the second screw thread passes through the T-block.

[0010] Preferably, the driving mechanism includes a second motor, the second motor is fixedly mounted on the top of the fixed frame, a second gear is fixedly mounted on the output port of the second motor, a first gear is fixedly mounted on the surface of the connecting ring, and the first gear is meshed with the second gear.

[0011] Preferably, the two clamping blocks and the two fixing blocks are arranged on a side close to each other in a "V"-shaped structure.

[0012] Preferably, a limiting rod is slidably penetrated through the surface of the connecting ring, the port of the limiting rod is fixedly connected to the connecting plate, the surface of the connecting plate is rotatably connected to a third screw rod, the third screw rod thread passes through the connecting ring, and a rotating rod is fixedly installed on the end of the third screw rod away from the connecting plate.

[0013] The utility model has at least the following beneficial effects:

[0014] By arranging a clamping mechanism, the oxide layer at the joint of the first steel wire composite pipe and the second steel wire composite pipe can be directly polished by a polishing mechanism during welding, without manual polishing, thus reducing workload and improving work efficiency. In addition, a fixing mechanism is arranged so that the electric fusion pipe fitting can be fixed on the surface of the operating table, so that its position will not shift when it is welded and butted with the pipe, thereby improving the quality of welding, and being adaptable to welding of pipes of different sizes, facilitating actual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the clamping block structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the connecting ring of the utility model;

[0019] Figure 4 For this utility model Figure 3 Disassembly diagram;

[0020] Figure 5 This is a schematic diagram of the scraper structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the fixed block of the utility model.

[0022] In the figure: 1, operating table; 2, first steel wire composite tube; 3, second steel wire composite tube; 4, T-block; 5, clamping block; 6, first screw; 7, second screw; 8, first motor; 9, fixing frame; 10, connecting ring; 11, first gear; 12, second motor; 13, second gear; 14, third screw; 15, connecting plate; 16, scraper; 17, cleaning cotton; 18, limiting rod; 19, connecting block; 20, fourth screw; 21, fixing block; 22, turning handle. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.

[0025] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0026] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0027] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] Reference Figure 1-6A steel wire composite pipe welding device comprises an operating table 1, a first steel wire composite pipe 2 and a second steel wire composite pipe 3. A clamping mechanism for fixing the first steel wire composite pipe 2 and the second steel wire composite pipe 3 is arranged near both ends of the surface of the operating table 1. Auxiliary mechanisms for moving the clamping mechanism are arranged at both ends of the operating table 1. Two sets of grinding mechanisms are fixedly installed on the surface of the operating table 1. The grinding mechanism comprises a fixing frame 9, which is fixedly installed on the top of the operating table 1. The fixing frame 9 is an annular structure, and the inner wall of the fixing frame 9 is rotatably connected with a connecting ring 10. The surface of the connecting ring 10 is provided with a connecting plate 15, and a scraper 16 and a cleaning cotton 17 are fixedly installed at the bottom of the connecting plate 15. A driving mechanism for driving the connecting ring 10 to rotate is provided on the surface of the fixing frame 9. A fixing mechanism for fixing the electric fusion pipe fitting is fixedly installed at the center of the operating table 1. When in use, firstly, two clamping mechanisms are used to fix the first steel wire composite pipe 2 and the second steel wire composite pipe 3 on the surface of the operating table 1, and then two sets of auxiliary mechanisms are used to drive the two sets of clamping mechanisms to approach each other, thereby driving the first steel wire composite pipe 2 and the second steel wire composite pipe 3 to move synchronously, and The first steel wire composite pipe 2 and the second steel wire composite pipe 3 are respectively passed through the two fixing frames 9, so that the grinding mechanism inside the fixing frame 9 grinds and scrapes off the oxide layer at the connection of the first steel wire composite pipe 2 and the second steel wire composite pipe 3. When in use, the grinding mechanism drives the connecting ring 10 to rotate on the surface of the fixing frame 9 by a driving mechanism, so that the connecting ring 10 drives the connecting plate 15 to rotate, so that the connecting plate 15 drives the scraper 16 and the cleaning cotton 17 to rotate, so that the scraper 16 scrapes off the oxide layer at the connection of the pipe. As the clamping mechanism continues to move, the cleaning cotton 17 The debris of the oxide layer is cleaned to keep the connection clean for the next step of welding, and then the electric fusion pipe is fixed on the surface of the operating table 1 by using the fixing mechanism. At this time, the first steel wire composite pipe 2 and the second steel wire composite pipe 3 are driven to move by the clamping mechanism, and the polished pipe ports are inserted into the electric fusion pipe. The output electrode of the electric fusion welding machine is inserted into the electrode column of the pipe, and the electric fusion welding machine is started. After the voltage and time parameters required for welding are input, welding begins. The output cable can be removed without affecting the cooling and welding of the pipe, so that it can be cooled naturally to achieve welding.

[0029] Furthermore, the fixing mechanism includes a connecting block 19, which is fixedly installed on the surface of the operating table 1 at a central position. A long groove is opened on the surface of the connecting block 19. A fourth screw 20 is rotatably inserted inside the long groove of the connecting block 19. The fourth screw 20 is provided with two opposite threads with its midpoint as the dividing line. Two fixing blocks 21 are slidably connected inside the long groove. The two fixing blocks 21 are respectively threadedly connected to the two ends of the fourth screw 20. A turning handle 22 is fixedly installed on one end of the fourth screw 20 that passes through the connecting block 19. When the fixing mechanism is in use, the turning handle 22 is rotated, and the turning handle 22 drives the fourth screw 20 to rotate. The rotation of the fourth screw 20 drives the two fixing blocks 21 to move toward each other, so that the fixing block 21 clamps the electric fusion pipe fittings and fixes them on the surface of the connecting block 19, which facilitates the insertion of the first steel wire composite pipe 2 and the second steel wire composite pipe 3, thereby facilitating welding.

[0030] Furthermore, two slide grooves are provided on the top of the operating table 1, and two clamping mechanisms are respectively located inside the two slide grooves. The clamping mechanism includes a T-shaped block 4, which is slidably connected inside the slide groove. A long groove is provided on the top of the T-shaped block 4, and a first screw rod 6 is rotatably connected inside the long groove. The first screw rod 6 is provided with two sections of opposite threads with its midpoint as the dividing line. Two clamping blocks 5 are slidably connected inside the long groove. The two clamping blocks 5 are respectively threadedly connected to the two ends of the first screw rod 6. One end of the first screw rod 6 rotates through the T-shaped block 4 and is fixedly installed with a handle. When the clamping mechanism is in use, the handle is rotated, and the handle drives the first screw rod 6 to rotate, and the first screw rod 6 drives the two clamping blocks 5 to move toward each other, so that the clamping block 5 can clamp and fix the first steel wire composite pipe 2 and the second steel wire composite pipe 3 on the surface of the operating table 1, making it convenient for grinding and welding.

[0031] Furthermore, the auxiliary mechanism includes a first motor 8, which is fixed at the end of the operating table 1. The output shaft port of the first motor 8 is fixedly installed with a second screw 7, which is rotatably connected to the inside of the slide groove, and the second screw 7 threadedly penetrates the T-block 4. The auxiliary mechanism is used to drive the clamping mechanism to move, thereby driving the first steel wire composite pipe 2 and the second steel wire composite pipe 3 to move. In specific use, the first motor 8 is directly started, the first motor 8 drives the second screw 7 to rotate, and the second screw 7 drives the T-block 4 to slide toward the electric fusion pipe fitting, so that the steel wire composite pipe approaches the electric fusion pipe fitting.

[0032] Furthermore, the driving mechanism includes a second motor 12, which is fixedly mounted on the top of the fixing frame 9, and a second gear 13 is fixedly mounted on the output port of the second motor 12. A first gear 11 is fixedly mounted on the surface of the connecting ring 10, and the first gear 11 is meshed with the second gear 13. When in use, the driving mechanism starts the second motor 12, and the second motor 12 drives the second gear 13 to rotate, and the second gear 13 drives the first gear 11 to rotate, so that the first gear 11 drives the connecting ring 10 to rotate, and then the connecting ring 10 drives the connecting plate 15 and the scraper 16 to rotate, so that the scraper 16 can scrape off the oxide layer at the connection of the pipe fittings and the cleaning cotton 17 can clean the pipe fittings.

[0033] Furthermore, the two clamping blocks 5 and the two fixing blocks 21 are arranged on one side close to each other in a "V"-shaped structure, so that the clamping mechanism and the fixing mechanism can be applicable to different types of pipes, and after fixing, the central axes of the pipes and pipe fittings can be kept on the same horizontal straight line.

[0034] Furthermore, a limiting rod 18 is slidably penetrated on the surface of the connecting ring 10, and a port of the limiting rod 18 is fixedly connected to the connecting plate 15. The surface of the connecting plate 15 is rotatably connected to the third screw 14, and the third screw 14 threadably penetrates the connecting ring 10. A rotating rod is fixedly installed on the end of the third screw 14 away from the connecting plate 15. The rotating rod is rotated, and the rotating rod drives the third screw 14 to rotate. The third screw 14 drives the connecting plate 15 to move downward, so that the connecting plate 15 drives the scraper 16 and the cleaning cotton 17 to move downward, so that they are close to the surface of the pipe, thereby facilitating scraping and cleaning. The limiting rod 18 can limit the connecting plate 15 from rotating with the rotation of the third screw 14, maintain the position of the scraper 16 and the cleaning cotton 17, and by setting the connecting plate 15 to a movable state, it is convenient to adapt to the grinding of pipes of different diameters, thereby improving the scope of application of the device.

[0035] In summary, when in use, firstly, two clamping mechanisms are used to fix the first steel wire composite tube 2 and the second steel wire composite tube 3 on the surface of the operating table 1, and then two sets of auxiliary mechanisms are used to drive the two sets of clamping mechanisms to approach each other, thereby driving the first steel wire composite tube 2 and the second steel wire composite tube 3 to move synchronously, and the first steel wire composite tube 2 and the second steel wire composite tube 3 are respectively passed through the two fixing frames 9, so that the grinding mechanism inside the fixing frame 9 grinds and scrapes off the oxide layer at the connection of the surface of the first steel wire composite tube 2 and the second steel wire composite tube 3 respectively. When in use, the grinding mechanism drives the connecting ring 10 to rotate on the surface of the fixing frame 9 by the driving mechanism, so that the connecting ring 10 drives the connecting plate 15 to rotate, so that the connecting plate 15 drives the scraper 16 and the cleaning cotton 17 to rotate, thereby The scraper 16 is used to scrape off the oxide layer at the connection of the pipe. As the clamping mechanism continues to move, the cleaning cotton 17 is used to clean the debris of the oxide layer to keep the connection clean for the next step of welding. The electric fusion pipe fitting is then fixed to the surface of the operating table 1 by the fixing mechanism. At this time, the first steel wire composite pipe 2 and the second steel wire composite pipe 3 are continued to be moved by the clamping mechanism, and the polished pipe fitting port is inserted into the inside of the electric fusion pipe fitting. The output electrode of the electric fusion welding machine is inserted into the electrode column of the pipe fitting, and the electric fusion welding machine is started. After the voltage and time parameters required for welding are input, welding begins. The output cable can be removed without affecting the cooling and welding of the pipe, so that it can be naturally cooled to achieve welding. By setting the clamping mechanism, the first steel wire composite pipe 2 and the second steel wire composite pipe 3 can be moved. When welding, the composite pipe 3 can use the grinding mechanism to directly grind the oxide layer at the connection, without manual grinding, reducing the workload and improving work efficiency. In addition, a fixing mechanism is provided so that the electric fusion pipe fitting can be fixed on the surface of the operating table 1, so that its position will not be offset when it is welded and butted with the pipe, improving the quality of welding and facilitating practical operation. When the fixing mechanism is in use, the turning handle 22 is turned, and the turning handle 22 drives the fourth screw 20 to rotate. The rotation of the fourth screw 20 drives the two fixing blocks 21 to move toward each other, so that the fixing block 21 clamps the electric fusion pipe fitting on the surface of the connecting block 19, which is convenient for the insertion of the first steel wire composite pipe 2 and the second steel wire composite pipe 3, thereby facilitating welding. When the clamping mechanism is in use, the handle is turned, and the handle drives the first The screw rod 6 rotates, and the first screw rod 6 drives the two clamping blocks 5 to move toward each other, so that the clamping blocks 5 can clamp and fix the first steel wire composite pipe 2 and the second steel wire composite pipe 3 on the surface of the operating table 1, making it convenient for grinding and welding. The auxiliary mechanism is used to drive the clamping mechanism to move, thereby driving the first steel wire composite pipe 2 and the second steel wire composite pipe 3 to move. In specific use, the first motor 8 is directly started, and the first motor 8 drives the second screw rod 7 to rotate, and the second screw rod 7 drives the T-shaped block 4 to slide toward the electric fusion pipe fitting, so that the steel wire composite pipe approaches the electric fusion pipe fitting. The driving mechanism starts the second motor 12 when in use, and the second motor 12 drives the second gear 13 to rotate, and the second gear 13 drives the first gear 11 to rotate, so that the first gear 11 drives the connecting ring 10 to rotate.Then the connecting ring 10 drives the connecting plate 15 and the scraper 16 to rotate, so that the scraper 16 can scrape the oxide layer at the connection of the pipe fittings and the cleaning cotton 17 can clean the pipe fittings. The side of the clamping block 5 and the two fixing blocks 21 close to each other are set to a "V" shape structure so that the clamping mechanism and the fixing mechanism can be applicable to different types of pipes, and after fixing, the central axis of the pipe and the pipe fitting can be kept on the same horizontal straight line. The rotating rod is rotated, and the rotating rod drives the third screw 14 to rotate. The third screw 14 drives the connecting plate 15 to move downward, so that the connecting plate 15 drives the scraper 16 and the cleaning cotton 17 to move downward, so that they are close to the surface of the pipe, thereby facilitating scraping and cleaning. The limiting rod 18 can limit the connecting plate 15 from rotating with the rotation of the third screw 14, and maintain the position of the scraper 16 and the cleaning cotton 17. By setting the connecting plate 15 to a movable state, it is convenient to adapt to the grinding of pipes of different diameters, thereby improving the scope of application of the device.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A steel wire composite pipe welding device, characterized in that: The invention comprises an operating table (1), a first steel wire composite pipe (2) and a second steel wire composite pipe (3); a clamping mechanism for fixing the first steel wire composite pipe (2) and the second steel wire composite pipe (3) is arranged at positions near both ends of the surface of the operating table (1); auxiliary mechanisms for moving the clamping mechanism are arranged at both ends of the operating table (1); two groups of grinding mechanisms are fixedly installed on the surface of the operating table (1); the grinding mechanisms comprise a fixing frame (9); the fixing frame (9) is fixedly installed on the top of the operating table (1); the fixing frame (9) is an annular structure; a connecting ring (10) is rotatably connected to the inner wall of the fixing frame (9); a connecting plate (15) is arranged on the surface of the connecting ring (10); a scraper (16) and a cleaning cotton (17) are fixedly installed on the bottom of the connecting plate (15); a driving mechanism for driving the connecting ring (10) to rotate is arranged on the surface of the fixing frame (9); and a fixing mechanism for fixing an electric fusion pipe fitting is fixedly installed at the center of the operating table (1).

2. A steel wire composite pipe welding device according to claim 1, characterized in that: The fixing mechanism comprises a connecting block (19), the connecting block (19) being fixedly mounted at a central position on the surface of the operating table (1), the surface of the connecting block (19) being provided with a long groove, a fourth screw rod (20) being rotatably inserted inside the long groove of the connecting block (19), the fourth screw rod (20) being provided with two opposite threads with its midpoint as a dividing line, two fixing blocks (21) being slidably connected inside the long groove, the two fixing blocks (21) being respectively threadedly connected to two ends of the fourth screw rod (20), and a turning handle (22) being fixedly mounted on one end of the fourth screw rod (20) penetrating the connecting block (19).

3. A steel wire composite pipe welding device according to claim 2, characterized in that: The top of the operating table (1) is provided with two slide grooves, and the two clamping mechanisms are respectively located inside the two slide grooves. The clamping mechanism comprises a T-shaped block (4), and the T-shaped block (4) is slidably connected inside the slide groove. The top of the T-shaped block (4) is provided with a long groove, and a first screw rod (6) is rotatably connected inside the long groove. The first screw rod (6) is provided with two sections of opposite threads with its midpoint as the dividing line. Two clamping blocks (5) are slidably connected inside the long groove. The two clamping blocks (5) are respectively threadedly connected to the two ends of the first screw rod (6). One end of the first screw rod (6) rotates through the T-shaped block (4) and is fixedly installed with a handle.

4. A steel wire composite pipe welding device according to claim 3, characterized in that: The auxiliary mechanism comprises a first motor (8), the first motor (8) is fixed at the end of the operating table (1), a second screw rod (7) is fixedly mounted on the output shaft port of the first motor (8), the second screw rod (7) is rotatably connected to the inside of the slide groove, and the second screw rod (7) is threadedly passed through the T-shaped block (4).

5. The steel wire composite pipe welding device according to claim 1, characterized in that: The driving mechanism comprises a second motor (12), the second motor (12) is fixedly mounted on the top of the fixing frame (9), a second gear (13) is fixedly mounted on the output port of the second motor (12), a first gear (11) is fixedly mounted on the surface of the connecting ring (10), and the first gear (11) is meshed with the second gear (13).

6. A steel wire composite pipe welding device according to claim 3, characterized in that: The sides of the two clamping blocks (5) and the two fixing blocks (21) that are close to each other are both arranged in a "V"-shaped structure.

7. The steel wire composite pipe welding device according to claim 1, characterized in that: A limiting rod (18) is slidably penetrated through the surface of the connecting ring (10), the end of the limiting rod (18) is fixedly connected to the connecting plate (15), and the surface of the connecting plate (15) is rotated The third screw rod (14) is dynamically connected, and the third screw rod (14) threadably penetrates the connecting ring (10). A rotating rod is fixedly mounted on one end of the third screw rod (14) away from the connecting plate (15).

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