Splash-proof efficiency-improving type alloy accessory laser arc welding machine

Abstract

The invention discloses a splash-proof efficiency-improving type alloy accessory laser arc welding machine, and relates to the field of laser welding, the splash-proof efficiency-improving type alloy accessory laser arc welding machine comprises a base and a laser welding mechanism above the base, the outer side of the laser welding mechanism is connected with a driving seat, the driving seat controls the laser welding mechanism to move, a mounting seat is arranged below the driving welding mechanism, and the laser welding mechanism is connected with the mounting seat. And a translation mechanism is arranged below the mounting seat and is used for controlling the position of the mounting seat. According to the splash-proof efficiency-improving type alloy accessory laser arc welding machine, the welding positioning disc is arranged to be matched with the first positioning groove to provide the positioning effect for alloy accessories, the T-shaped welding accessories can be sequentially inserted into the first positioning groove to be positioned, the T-shaped welding accessories are matched with the workpiece limiting mechanism to limit workpieces, the stability of welding modeling of the workpieces can be kept without hand holding, and the welding efficiency is improved. And the welding positioning disc can move to drive the workpiece to move, so that welding can be efficiently and continuously carried out, the welding positioning disc can rotate, and the orientation position of a welding seam can be adjusted.

Description

Technical Field

[0001] The present invention relates to the technical field of laser welding, and particularly to a splash-proof and efficiency-increasing laser-arc welding machine for alloy fittings. Background Art

[0002] Welding technology, as one of the key technologies in the manufacturing industry, is of great importance. Alloy fittings, with their excellent corrosion resistance and toughness, have been widely used in the fields of aviation, industry, chemical engineering, etc. When processing alloy fittings, they are generally combined by welding. As an advanced welding equipment, the laser-arc welding machine can achieve efficient and high-quality welding with its unique laser beam and arc current. In the welding of alloy fittings, the laser-arc welding machine can quickly penetrate the weld seam and achieve fast and accurate welding.

[0003] Prior Art 1 (a Chinese patent with the application number CN202411822957.4 and published on February 21, 2025) A laser welding device and welding process for alloy fitting production. The laser welding device for alloy fitting production includes a base, a rotating mechanism fixed on the base, a feeding mechanism fixed on the base and located behind the rotating mechanism, and a control mechanism arranged inside the base. The rotating mechanism includes a turret fixed on the top of the base and a driving wheel fixed on the top of the base and near the turret. A positioning hole is opened on the top of the turret, and a Geneva drive plate is fixed on the outer peripheral surface of the turret. An eccentric shaft that matches the Geneva drive plate is fixed on the top surface of the driving wheel. The bottom end of the tool holder to be welded is positioned in the positioning hole. During the welding process, the operator does not need to manually place the alloy tool head, nor does he need to manually align the alloy tool head, which improves the welding efficiency. Prior Art 2 (a Chinese patent with the application number CN202223053347.1 and published on April 28, 2023) A laser welding and arc welding integrated device, characterized in that it includes an arc welding head, a clamping device, a laser welding head, and a defocus amount adjustment mechanism. An installation plate is arranged on the defocus amount adjustment mechanism, and the installation plate moves along a certain straight line direction. The laser welding head is fixedly arranged on the installation plate, and the arc welding head is arranged on the installation plate through the clamping device. The arc welding head and the laser welding head are arranged parallel to each other. Under the action of the clamping device, the arc welding head moves forward or backward in the direction it faces.

[0004] When the current laser welding machine welds plate-shaped alloy fittings, for the welding of T-shaped plates, since the weld is in an inclined position, manual adjustment of the workpiece position is required for its welding treatment, or a handheld welding head is used for welding treatment, resulting in low processing efficiency and processing stability. For the welding of plates, when double-layer welding is used, manual adjustment of the weld position of the plate is required, and the stability of the workpiece held by hand during welding is poor. Moreover, due to its thermal conductivity, it is also likely to bring certain risks, affecting the overall welding efficiency of the product. Summary of the Invention

[0005] The purpose of the present invention is to provide a splash-proof and efficiency-enhancing laser-arc welding machine for alloy fittings to solve the problems in the above-mentioned background technology. When the current laser welding machine welds plate-shaped alloy fittings, for the welding of T-shaped plates, since the weld is in an inclined position, manual adjustment of the workpiece position is required for its welding treatment, or a handheld welding head is used for welding treatment, resulting in low processing efficiency and processing stability. For the welding of plates, when double-layer welding is used, manual adjustment of the weld position of the plate is required, and the stability of the workpiece held by hand during welding is poor.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A splash-proof and efficiency-enhancing laser-arc welding machine for alloy fittings, including a base and a laser welding mechanism above the base. A drive seat is connected to the outside of the laser welding mechanism to control the movement of the laser welding mechanism. An installation seat is arranged below the drive welding mechanism, and a translation mechanism is arranged below the installation seat to control the position of the installation seat. A welding positioning disc is arranged on the right side of the installation seat. A first positioning groove is evenly opened inside the welding positioning disc to provide positioning for the inserted alloy fittings. A rotating shaft is fixed on the left side of the welding positioning disc, and a rotational connection is formed between the rotating shaft and the installation seat. A workpiece limiting mechanism is arranged inside the welding positioning disc, and a guiding disc is arranged on the right side of the welding positioning disc. A second positioning groove corresponding to the first positioning groove is opened inside the guiding disc, and the guiding disc is arranged on the right side of the laser welding mechanism. A rotating mechanism is arranged outside the guiding disc to control the rotation of the guiding disc to adjust the position of the workpiece.

[0007] Further optimizing the technical solution, a welding head is arranged below the laser welding mechanism. The welding head has dual functions of laser and arc welding, and a protective cover is arranged outside the welding head to protect against welding spatter.

[0008] Further optimizing the technical solution, an image collector is arranged outside the protective cover, and the image collection position of the image collector coincides with the welding position of the laser welding mechanism.

[0009] To further optimize this technical solution, the workpiece limiting mechanism includes a limiting block, a first spring, a trigger block, a control head, and a trigger mechanism; The limiting block is arranged inside the welding positioning disc and forms a sliding connection therewith, and the limiting blocks are arranged in pairs outside the first positioning groove to limit the workpiece in the first positioning groove; The first spring is fixed outside the limiting block to provide a reset pulling force for the limiting block; The trigger block is fixed outside the limiting block; The control head is in contact with the end of the trigger block, and the surface of the control head is designed with an inclined structure, and the control head forms a left-right sliding structure with the welding positioning disc; The trigger mechanism is connected to the control head to control the movement of the control head.

[0010] To further optimize this technical solution, the trigger mechanism includes a connecting rod, a connecting ring, a sliding head, and a first telescopic device; The connecting rod is fixed on the left side of the control head, and the connecting rod passes through the welding positioning disc and forms a left-right sliding structure therewith; The connecting ring is fixed at the left end of the connecting rod; The sliding head is arranged inside the connecting ring and forms a sliding connection therewith, and the main view section of the sliding head is designed with an inverted "T" shape; The first telescopic device is installed on the right side of the mounting seat, and the right end of the first telescopic device is connected to the sliding head.

[0011] To further optimize this technical solution, the translation mechanism includes a moving block and a driving rod. The moving block is arranged inside the base and forms a horizontal sliding structure therewith. The driving rod passes through the moving block and forms a threaded connection therewith, and the end of the driving rod is connected to a motor.

[0012] To further optimize this technical solution, the rotating mechanism includes a connecting block, a first gear ring, and a driving gear; The connecting block is arranged outside the guiding disc and forms a rotating connection therewith; The first gear ring is fixed outside the guiding disc; The driving gear is arranged outside the first gear ring and forms a meshing connection therewith. The middle of the driving gear is connected to a motor for controlling its rotation.

[0013] Further optimize this technical solution. A cylindrical positioning block is rotatably connected to the left side of the mounting seat, and the inner part of the cylindrical positioning block is designed as an inclined cylindrical groove structure. An end positioning block is rotatably installed inside the connecting block, and the internal structure of the end positioning block is the same as that of the cylindrical positioning block. A second gear ring is fixed to the outside of the end positioning block, and the second gear ring and the driving gear are meshed with each other. A guiding block is fixed below the connecting block, and the rear end of the guiding block is connected to a second telescopic device. A rotation switching mechanism is arranged below the mounting seat.

[0014] Further optimize this technical solution. The rotation switching mechanism includes a movable shaft, a second spring, a docking block, and a docking groove. The movable shaft is fixed below the mounting seat, and the lower end of the movable shaft is nested inside the moving block. The second spring is arranged outside the movable shaft to provide a downward thrust for the movable shaft. The docking block is fixed below the movable shaft. The docking groove is opened inside the moving block, and the docking groove and the docking block form a concave-convex matching structure.

[0015] Further optimize this technical solution. An activity block is arranged inside the guiding disk, and the activity blocks are distributed in pairs outside the second positioning groove. A conveying roller is rotatably installed inside the activity block, and a third spring is fixed to the outside of the activity block to provide a thrust for the activity block.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. Through the setting of the welding positioning disk and in cooperation with the first positioning groove, a positioning effect is provided for the alloy fittings. The T-shaped welding fittings can be sequentially inserted into the first positioning groove for positioning, and in cooperation with the workpiece limiting mechanism, the workpiece is limited. It can maintain the stability of its welding shape without manual support, and the welding positioning disk can move to drive the workpiece to move, enabling the welding to be carried out efficiently and continuously. Moreover, the welding positioning disk can rotate to adjust the position of the weld seam, facilitating the alignment of the weld seam with the welding head, ensuring the welding quality, and improving the switching efficiency of subsequent weld seams.

[0017] 2. Through the setting of the guiding disk, auxiliary guidance is provided for the other end of the workpiece. During welding, the workpiece can move inside the guiding disk, enabling stable positioning support for the welding end of the workpiece, improving the welding stability. Moreover, a protective cover and an adsorption pipe are arranged below the welding mechanism, which can protect against welding spatter, and at the same time, the adsorption pipe is externally connected to an adsorption mechanism to absorb fumes and welding slag.

[0018] 3. By rotating the guiding disk, the workpiece and the welding positioning disk can be driven to rotate, thereby adjusting the welding position of the workpiece. In cooperation with the horizontal movement of the welding positioning disk, rapid welding processing of the weld seam can be achieved. The rotation adjustment in cooperation with the horizontal movement can achieve rapid switching welding treatment of different weld seams.

[0019] 4. The cylindrical alloy workpiece can be positioned by the cylindrical positioning block arranged outside the mounting seat in cooperation with the end positioning block. The workpiece is held stable through its clamping and positioning of the workpiece. Subsequently, by controlling the rotation of the end positioning block to drive the workpiece to rotate, efficient circular welding of the workpiece can be achieved.

[0020] 5. The setting of the conveying roller in the guiding disc can position the workpiece in the second positioning groove, and this positioning does not affect the movement of the workpiece in the second positioning groove. Subsequently, the horizontal movement of the workpiece in the second positioning groove can drive the conveying roller to rotate, and stable welding treatment of the workpiece can be carried out. Brief Description of the Drawings

[0021] Figure 1 It is a schematic three-dimensional structure diagram of the present invention; Figure 2 It is a schematic left-view structure diagram of the present invention; Figure 3 It is a schematic right-view structure diagram of the present invention; Figure 4 It is a schematic internal structure diagram of the base of the present invention; Figure 5 It is a schematic three-dimensional structure diagram of the welding positioning disc of the present invention; Figure 6 It is a schematic side-sectional structure diagram of the welding positioning disc of the present invention; Figure 7 It is a schematic main-sectional structure diagram of the welding positioning disc of the present invention; Figure 8 It is a schematic main-sectional structure diagram of the moving block of the present invention; Figure 9 It is a schematic side-sectional structure diagram of the connecting block of the present invention; Figure 10 It is a schematic internal structure diagram of the guiding disc of the present invention.

[0022] In the figures: 1. Base; 2. Laser welding mechanism; 3. Driving seat; 4. Protective cover; 5. Image collector; 6. Welding head; 7. Adsorption tube; 8. Mounting seat; 9. Welding positioning disc; 10. First positioning groove; 11. Connecting block; 12. Guiding disc; 13. Second positioning groove; 14. Rotating shaft; 15. Limiting block; 16. First spring; 17. Trigger block; 18. Control head; 19. Connecting rod; 20. Connecting ring; 21. Sliding head; 22. First telescopic device; 23. Cylindrical positioning block; 24. Moving block; 25. Driving rod; 26. Moving shaft; 27. Second spring; 28. Docking block; 29. Docking groove; 30. End positioning block; 31. Guide block; 32. Second telescopic device; 33. First gear ring; 34. Second gear ring; 35. Driving gear; 36. Moving block; 37. Conveying roller; 38. Third spring. Detailed Embodiment

[0023] Next, in combination with the accompanying drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1-10 , Embodiment 1: The present invention provides the following technical solution: A splash-proof and efficiency-enhancing alloy fitting laser-arc welding machine, including a base 1 and a laser welding mechanism 2 above the base 1. A drive seat 3 is connected to the outside of the laser welding mechanism 2, and the drive seat 3 controls the movement of the laser welding mechanism 2. An installation seat 8 is arranged below the drive welding mechanism, and a translation mechanism is arranged below the installation seat 8 to control the position of the installation seat 8. And a welding positioning disk 9 is arranged on the right side of the installation seat 8. A first positioning groove 10 is evenly opened inside the welding positioning disk 9, and the first positioning groove 10 provides positioning for the inserted alloy fitting. A rotating shaft 14 is fixed on the left side of the welding positioning disk 9, and a rotational connection is formed between the rotating shaft 14 and the installation seat 8. A workpiece limiting mechanism is arranged inside the welding positioning disk 9, and a guiding disk 12 is arranged on the right side of the welding positioning disk 9. A second positioning groove 13 corresponding to the first positioning groove 10 is opened inside the guiding disk 12, and the guiding disk 12 is arranged on the right side of the laser welding mechanism 2. A rotating mechanism is arranged on the outside of the guiding disk 12 to control the rotation of the guiding disk 12 to adjust the position of the workpiece.

[0025] During use, first move the installation seat 8 to the left side of the guiding disk 12 to make it close to the guiding disk 12. When welding a T-shaped workpiece, the two components to be welded can be inserted into the first positioning groove 10 through the second positioning groove 13 in sequence to position the shape of the welded part. After the product is inserted into the first positioning groove 10, it is positioned by the workpiece limiting mechanism to keep it stable. Then, welding is performed by the laser welding mechanism 2. During welding, the workpiece is driven to translate by the movement of the installation seat 8 to automatically adjust the weld seam and weld a straight-line weld seam. And after one side of the T-shaped workpiece is welded, the workpiece can be controlled to rotate by the rotating mechanism to adjust the weld seam on the other side below the laser welding mechanism 2, and then welding is performed again, making the welding more efficient.

[0026] Embodiment 2: On the basis of Embodiment 1, it is disclosed that a welding head 6 is provided below the laser welding mechanism 2. The welding head 6 has dual functions of laser and arc welding. A protective cover 4 is provided outside the welding head 6 to protect against welding spatter. An image collector 5 is provided outside the protective cover 4, and the image collection position of the image collector 5 coincides with the welding position of the laser welding mechanism 2. The workpiece positioning mechanism includes a limit block 15, a first spring 16, a trigger block 17, a control head 18 and a trigger mechanism. The limit block 15 is arranged inside and between the welding positioning discs 9 to form a sliding connection, and the limit blocks 15 are arranged in pairs outside the first positioning groove 10 to position the workpiece in the first positioning groove 10. The first spring 16 is fixed outside the limit block 15 to provide a reset pulling force for the limit block 15. The trigger block 17 is fixed outside the limit block 15. The control head 18 is in contact with the end of the trigger block 17, and the surface of the control head 18 is designed with an inclined structure. Moreover, the control head 18 and the welding positioning disc 9 form a left-right sliding structure. The trigger mechanism is connected to the control head 18 to control the movement of the control head 18. The trigger mechanism includes a connecting rod 19, a connecting ring 20, a sliding head 21 and a first telescopic device 22. The connecting rod 19 is fixed to the left side of the control head 18. The connecting rod 19 passes through the welding positioning disc 9 to form a left-right sliding structure between the welding positioning discs 9. The connecting ring 20 is fixed to the left end of the connecting rod 19. The sliding head 21 is arranged inside the connecting ring 20 to form a sliding connection with the connecting ring 20, and the main view cross-section of the sliding head 21 is designed in an inverted "T" shape. The first telescopic device 22 is installed on the right side of the mounting seat 8, and the right end of the first telescopic device 22 is connected to the sliding head 21.

[0027] The welding is protected by the protective cover 4. At the same time, an adsorption pipe 7 is provided outside the protective cover 4. After the adsorption pipe 7 is connected to an external adsorption mechanism, it can absorb welding fumes, etc., to improve the quality of the surrounding welding environment. When it is necessary to position the workpiece in the first positioning groove 10, the first telescopic device 22 can be used to push the sliding head 21 and the connecting ring 20 to move. The connecting ring 20 pushes the control head 18 to move through the connecting rod 19, so that the control head 18 squeezes the trigger block 17, pushing the limit block 15 to move, so that the limit block 15 squeezes and positions the workpiece, keeping the workpiece stable. Subsequently, the welding positioning disc 9 can drive the workpiece to move horizontally to adjust the welding position.

[0028] Embodiment 3: On the basis of Embodiment 1, it is disclosed that the translation mechanism includes a moving block 24 and a driving rod 25. The moving block 24 is arranged between the inside and the base 1 of the base 1 to form a horizontal sliding structure. The driving rod 25 passes through the moving block 24 and forms a threaded connection with the moving block 24. The end of the driving rod 25 is connected to a motor. The rotating mechanism includes a connecting block 11, a first gear ring 33 and a driving gear 35. The connecting block 11 is arranged between the outside and the guiding disc 12 of the guiding disc 12 to form a rotating connection. The first gear ring 33 is fixed on the outside of the guiding disc 12. The driving gear 35 is arranged between the outside and the first gear ring 33 of the first gear ring 33 to form a meshing connection. The middle of the driving gear 35 is connected to a motor that controls its rotation. The left side of the mounting seat 8 is rotatably connected to a cylindrical positioning block 23. The inside of the cylindrical positioning block 23 is designed as an inclined cylindrical groove structure. An end positioning block 30 is rotatably installed inside the connecting block 11. The internal structure of the end positioning block 30 is the same as that of the cylindrical positioning block 23. A second gear ring 34 is fixed on the outside of the end positioning block 30. The second gear ring 34 and the driving gear 35 form a meshing connection. A guiding block 31 is fixed below the connecting block 11. The rear end of the guiding block 31 is connected to a second telescopic device 32. A rotation switching mechanism is arranged below the mounting seat 8. The rotation switching mechanism includes a movable shaft 26, a second spring 27, a docking block 28 and a docking groove 29. The movable shaft 26 is fixed below the mounting seat 8. The lower end of the movable shaft 26 is nested inside the moving block 24. The second spring 27 is arranged outside the movable shaft 26 to provide a downward thrust for the movable shaft 26. The docking block 28 is fixed below the movable shaft 26. The docking groove 29 is opened inside the moving block 24. The docking groove 29 and the docking block 28 form a concave-convex matching structure. An active block 36 is arranged inside the guiding disc 12. The active blocks 36 are distributed in pairs outside the second positioning groove 13. A conveying roller 37 is rotatably installed inside the active block 36. A third spring 38 is fixed on the outside of the active block 36 to provide a thrust for the active block 36.

[0029] The guiding plate 12 can position the workpiece in the second positioning groove 13 through the conveying roller 37. When the workpiece moves, it can drive the conveying roller 37 to rotate. The movement of the moving block 24 can drive the mounting seat 8 and the welding positioning disc 9 to move. When it is necessary to control the rotation of the workpiece to adjust the welding position, the driving gear 35 can be rotated by the motor, so that the driving gear 35 drives the first gear ring 33 and the guiding plate 12 to rotate, driving the workpiece to rotate. When it is necessary to perform circular welding treatment on the cylindrical workpiece, the mounting seat 8 can be pulled up to drive the movable shaft 26 to move, releasing the connection between the docking block 28 and the docking groove 29. Then, the mounting seat 8 is rotated to rotate the cylindrical positioning block 23 to face the right direction. Then, the mounting seat 8 is released, and the docking block 28 is connected to the docking groove 29 again. Then, the connecting block 11 is controlled to move forward to adjust the end positioning block 30 to the relative position with the cylindrical positioning block 23. The cylindrical workpiece is respectively inserted into the cylindrical positioning block 23 and the end positioning block 30, and they are docked by the movement of the mounting seat 8. During welding, the engagement of the driving gear 35 and the second gear ring 34 drives the end positioning block 30 to rotate, performing circular welding treatment on the workpiece.

[0030] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0031] In the description of the present application, it should be noted that unless otherwise clearly specified and defined, the connecting words such as the terms "set", "installed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A splash-proof and enhanced alloy fitting laser arc welding machine, comprising a base (1) and a laser welding mechanism (2) above the base (1); Features: The outer side of the laser welding mechanism (2) is connected to a driving seat (3), the driving seat (3) controls the movement of the laser welding mechanism (2), a mounting seat (8) is arranged below the driving welding mechanism, and a translation mechanism is arranged below the mounting seat (8) to control the position of the mounting seat (8), and a welding positioning plate (9) is arranged on the right side of the mounting seat (8), the interior of the welding positioning plate (9) is evenly provided with first positioning grooves (10), the first positioning grooves (10) provide positioning for the inserted alloy fittings, and the welding positioning plate (9) A rotating shaft (14) is fixed on the left side of the laser welding mechanism (2), and a rotating connection is formed between the rotating shaft (14) and the mounting seat (8). A workpiece limiting mechanism is arranged inside the welding positioning plate (9), and a guide plate (12) is arranged on the right side of the welding positioning plate (9). A second positioning groove (13) corresponding to the first positioning groove (10) is opened inside the guide plate (12), and the guide plate (12) is arranged on the right side of the laser welding mechanism (2). A rotating mechanism is arranged on the outside of the guide plate (12) to control the guide plate (12) to rotate and adjust the position of the workpiece.

2. The splash-proof and enhanced alloy fitting laser arc welding machine according to claim 1 is characterized in that: A welding head (6) is arranged below the laser welding mechanism (2); the welding head (6) is a dual-function welding device of laser and arc, and a protective cover (4) is arranged outside the welding head (6) to protect against welding spatter.

3. The splash-proof and enhanced alloy fitting laser arc welding machine according to claim 2 is characterized in that: An image collector (5) is arranged on the outside of the protective cover (4), and the image collection position of the image collector (5) coincides with the welding position of the laser welding mechanism (2).

4. The splash-proof and enhanced alloy fitting laser arc welding machine according to claim 1 is characterized in that: The workpiece limiting mechanism comprises a limiting block (15), a first spring (16), a trigger block (17), a control head (18) and a trigger mechanism; A limit block (15) is arranged inside the welding positioning plate (9) and is slidably connected to the welding positioning plate (9), and the limit blocks (15) are arranged in pairs outside the first positioning groove (10) to limit the workpiece in the first positioning groove (10); A first spring (16) is fixed to the outer side of the limit block (15) to provide a reset pulling force for the limit block (15); A trigger block (17) is fixed on the outer side of the limit block (15); The control head (18) is fitted with the end of the trigger block (17), and the surface of the control head (18) is designed to be inclined, and a left-right sliding structure is formed between the control head (18) and the welding positioning plate (9); The trigger mechanism is connected to the control head (18) to control the movement of the control head (18).

5. The splash-proof and enhanced alloy fitting laser arc welding machine according to claim 4 is characterized in that: The trigger mechanism comprises a connecting rod (19), a connecting ring (20), a slider (21) and a first retractor (22); A connecting rod (19) is fixed on the left side of the control head (18), and the connecting rod (19) passes through the welding positioning plate (9) and the welding positioning plate (9) to form a left-right sliding structure; A connecting ring (20) is fixed to the left end of the connecting rod (19); The slider (21) is arranged inside the connection ring (20) and between the connection ring (20) to form a sliding connection, and the main cross-section of the slider (21) is designed to be an inverted "T"-shaped structure; The first telescopic device (22) is installed on the right side of the mounting seat (8), and the right end of the first telescopic device (22) is connected to the slider (21).

6. The splash-proof and enhanced alloy fitting laser arc welding machine according to claim 1, characterized in that: The translation mechanism comprises a moving block (24) and a driving rod (25); the moving block (24) is arranged inside the base (1) and between the base (1) to form a horizontal sliding structure; the driving rod (25) passes through the moving block (24) and forms a threaded connection between the moving blocks (24); and the end of the driving rod (25) is connected to a motor.

7. The splash-proof and enhanced alloy fitting laser arc welding machine according to claim 6 is characterized in that: The rotating mechanism comprises a connecting block (11), a first gear ring (33) and a driving gear (35); A connecting block (11) is arranged on the outer side of the guide plate (12) and is rotatably connected between the guide plate (12); A first gear ring (33) fixed on the outer side of the guide plate (12); The driving gear (35) is arranged on the outer side of the first gear ring (33) and is meshed with the first gear ring (33). The middle part of the driving gear (35) is connected to a motor for controlling its rotation.

8. The splash-proof and enhanced alloy fitting laser arc welding machine according to claim 7 is characterized in that: The left side of the mounting seat (8) is rotatably connected to a cylindrical positioning block (23), and the interior of the cylindrical positioning block (23) is designed as an inclined cylindrical groove structure. The interior of the connecting block (11) is rotatably mounted with an end positioning block (30), and the internal structure of the end positioning block (30) is the same as that of the cylindrical positioning block (23). A second gear ring (34) is fixed to the outer side of the end positioning block (30), and a meshing connection is formed between the second gear ring (34) and the driving gear (35). A guide block (31) is fixed below the connecting block (11), and a rear end of the guide block (31) is connected to a second telescoping device (32). A rotation switching mechanism is provided below the mounting seat (8).

9. The splash-proof and enhanced alloy fitting laser arc welding machine according to claim 8, characterized in that: The rotary switching mechanism comprises a movable shaft (26), a second spring (27), a docking block (28) and a docking groove (29); A movable shaft (26) is fixed below the mounting seat (8), and the lower end of the movable shaft (26) is nested inside the moving block (24); A second spring (27) is arranged on the outer side of the movable shaft (26) to provide a downward thrust for the movable shaft (26); A docking block (28) is fixed below the movable shaft (26); The docking groove (29) is arranged inside the moving block (24), and a concave-convex matching structure is formed between the docking groove (29) and the docking block (28).

10. The splash-proof and enhanced alloy fitting laser arc welding machine according to claim 1, characterized in that: A movable block (36) is arranged inside the guide plate (12), and the movable blocks (36) are distributed in pairs outside the second positioning groove (13), and a conveying roller (37) is rotatably mounted inside the movable block (36), and a third spring (38) is fixed outside the movable block (36) to provide thrust for the movable block (36).

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