Welding device for assembling ship parts

Abstract

The present invention discloses a welding device for assembling ship accessories, and specifically relates to the technical field of ship accessory welding. The present invention provides a flip limit mechanism, and the positioning pressure plate and the welding frame are of detachable structural design, which is convenient for replacing positioning pressure plates of different shapes and sizes. The positioning pressure plate slides on the welding frame, and the top of the mounting column passes through the linear slot, and one end of the mounting column fixedly connected to the two clamping blocks contacts the inner cavity top surface of the accommodating cavity, thereby realizing the clamping connection between the positioning pressure plate and the welding frame. Under the push of the horizontal cylinder, the corresponding positioning pressure plate slides on the welding frame, and the two positioning pressure plates approach each other to position and clamp the ship accessories to be welded, thereby improving the welding quality of the ship accessories. The driving seat is driven to rotate 90 degrees by the rotating cylinder, so that the position of the welding seam changes, which is convenient for the welding mechanism to weld double-sided welds, improves the welding strength, automatically completes the welding work of the entire ship accessories, and reduces labor intensity.

Description

Technical Field

[0001] The present invention relates to the technical field of ship fitting welding, in particular to a welding device for assembling ship fittings. Background Art

[0002] Ship accessories refer to some parts used on ships. Through the coordinated use of these parts, the ship's navigation, berthing, loading and unloading of cargo and other production operations are completed, and the safety of the ship and personnel is ensured. The main equipment of the ship includes power equipment, control equipment, loading and unloading equipment and safety equipment. In the manufacturing process of ship accessories, they need to be assembled and welded.

[0003] The utility model patent with publication number CN215941772U discloses a welding device for manufacturing ship accessories, which welds the gap between two ship accessories through the cooperation of a welding gun and a welding wire, and slides two sliders at the same time. The sliding of the two sliders drives the sliding of a semi-circular rod, so that the welding gun and the welding wire can fully weld the gap between the two ship accessories, thereby improving the convenience of equipment use; however, in the existing technical solution, when welding the welds of two ship accessories, only single-sided welds can be welded, and the stability of the ship accessories after welding is not high. When turning it over, manual participation is required, which consumes a lot of time and is not efficient. This welding method is inconvenient to use. Summary of the Invention

[0004] The object of the present invention is to provide a welding device for assembling ship accessories. By setting a flip limit mechanism, the positioning pressure plate and the welding frame are of detachable structural design, which is convenient for replacing positioning pressure plates of different shapes and sizes, and pressing the positioning pressure plate and the ship accessories. The positioning pressure plate slides on the welding frame, and the top of the mounting column passes through the linear slot, and the end of the mounting column fixedly connected to the two clamping blocks contacts the inner cavity top surface of the accommodating cavity, thereby realizing the clamping connection between the positioning pressure plate and the welding frame. The two positioning pressure plates are in a distant state. Under the push of the horizontal cylinder, the corresponding positioning pressure plates slide on the welding frame, and the two positioning pressure plates approach each other to position and clamp the ship accessories to be welded, thereby improving the quality of the ship accessories during welding. Afterwards, the driving seat is driven to rotate 90 degrees by the rotating cylinder, so that the position of the weld seam changes, which is convenient for the welding mechanism to weld double-sided welds, improves the welding strength, automatically completes the welding work of the entire ship accessories, reduces labor intensity, and solves the problems mentioned in the above background technology.

[0005] The present invention can be implemented through the following technical solutions: A welding device for assembling ship accessories, comprising a welding bin mounted on the top surface of a base, wherein a welding mechanism and a flip limit mechanism for double-sided welding of ship accessories are installed inside the welding bin; the flip limit mechanism comprises a driving seat, a guide base plate is provided below the driving seat, a rotating cylinder is installed on the top surface of the guide base plate, the output end of the rotating cylinder is fixed to the middle part of the bottom surface of the driving seat, a welding frame is hinged on one side of the top surface of the driving seat, and a transmission mechanism for driving the welding frame to rotate is installed inside the driving seat, and the welding frame Two positioning pressure plates for limiting ship accessories are slidably connected to the top surface of the welding frame, and a horizontal cylinder for pushing the corresponding positioning pressure plates to move is installed on the top surface of the welding frame. A welding groove for welding ship accessories is provided in the middle of the top surface of the welding frame. The position where two ship accessories fit together is the weld, and the weld corresponds to the welding groove. Two T-shaped mounting columns are installed on the bottom surface of the positioning pressure plate, and two blocks are symmetrically installed on the outer surface end of each mounting column. A mounting hole for cooperating with the mounting column is provided on the top surface of the welding frame, and a positioning sliding mechanism is provided between the mounting hole and the mounting column.

[0006] A further technical improvement of the present invention is that the positioning sliding mechanism includes a card slot provided on the surface of the mounting hole and used in conjunction with the card block, the top surface of the welding frame is provided with a straight slot hole communicating with the mounting hole, the mounting hole and the bottom of the straight slot hole are provided with a receiving cavity, and one end of the mounting column fixedly connected to the two card blocks enters the receiving cavity and contacts the top surface of the inner cavity of the receiving cavity.

[0007] A further technical improvement of the present invention is that two protruding plates are symmetrically installed at the two edge positions of the top surface of the welding frame, and a horizontal cylinder for pushing the corresponding positioning pressure plate to move is installed on the outer surface of the protruding plate; a threaded cylinder seat is rotatably installed on the outer wall of the positioning pressure plate, and the end of the piston rod of the horizontal cylinder is provided with an external thread, and the end of the piston rod is threadedly connected to the threaded cylinder seat, and a screwing part is provided on the outside of the threaded cylinder seat.

[0008] A further technical improvement of the present invention is that an annular guide plate is installed on the top surface of the guide base plate and located outside the rotating cylinder, an annular rail groove is provided on the bottom surface of the driving seat, and the end of the annular guide plate is slidably connected to the annular rail groove.

[0009] A further technical improvement of the present invention is that the transmission mechanism includes a driving cavity provided on the top surface of the driving seat, a lead screw is installed in the middle of the inner cavity of the driving cavity, guide cross bars are installed on both sides of the lead screw, the external thread of the lead screw is sleeved with a sliding plate that slides with the two guide cross bars, the top surface of the sliding plate is hinged with a transmission rod, the end of the transmission rod is hinged to the bottom surface of the welding frame, a forward and reverse motor is installed on the outer wall of the driving seat, and the output end of the forward and reverse motor is fixed to the end of the lead screw.

[0010] A further technical improvement of the present invention is that a linear cylinder is installed in the middle position of the bottom outer wall of the welding bin, the piston rod end of the linear cylinder is fixed to the outer surface of the driving seat, and the top surface of the base is provided with a slide groove, which is slidably connected to the guide bottom plate.

[0011] A further technical improvement of the present invention is that the welding mechanism includes a linear slide installed on the top surface of the inner cavity of the welding chamber, a slider is installed on the linear slide, an electric push rod is installed on the bottom surface of the slider, the telescopic end of the electric push rod is fixedly connected to a mounting block, and a welding gun for welding the welds of ship accessories is installed on the side of the mounting block.

[0012] A further technical improvement of the present invention is that a sealing frame is installed at the end of the top surface of the welding bin, and a through groove is provided on the top surface of the welding bin and located inside the sealing frame, a sealing plate is installed inside the through groove, and a hydraulic cylinder is installed on the top surface of the sealing frame, the pushing end of the hydraulic cylinder is fixed to the top surface of the sealing plate, and the sealing plate passes through the through groove to reach the interior of the welding bin.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The present invention provides a flip limit mechanism, and the positioning pressure plate and the welding frame are of detachable structural design, which is convenient for replacing positioning pressure plates of different shapes and sizes, wherein the positioning pressure plate slides on the welding frame, the top of the mounting column passes through the linear slot, and one end of the mounting column fixedly connected to the two clamping blocks contacts the inner cavity top surface of the accommodating cavity, thereby realizing the clamping connection between the positioning pressure plate and the welding frame. The two positioning pressure plates are in a distanced state, and under the push of the horizontal cylinder, the corresponding positioning pressure plates slide on the welding frame, and the two positioning pressure plates approach each other to position and clamp the ship accessories to be welded, thereby improving the quality of the ship accessories during welding. Afterwards, the driving seat is driven to rotate 90 degrees by the rotating cylinder, so that the position of the welding seam changes, which is convenient for the welding mechanism to weld double-sided welds, improves the welding strength, automatically completes the welding work of the entire ship accessories, and reduces labor intensity.

[0015] 2. In the present invention, the welding mechanism welds the welds on the left and right sides of the ship accessories to ensure the tightness of the connection of the ship accessories. During welding, the slider slides on the linear slide, so that the welding gun approaches the weld position, and the welding gun welds the weld, so that the ship accessories are welded together. The electric push rod pushes the mounting block and the welding gun to move downward synchronously. While the electric push rod moves downward, it welds the welds of the ship accessories on the same straight line, and fine-tunes the distance between the slider and the linear slide to improve the welding accuracy.

[0016] 3. The hydraulic cylinder pushes the sealing plate through the slot into the welding chamber and seals the side of the welding chamber, preventing the sparks generated by welding in the welding chamber from splashing outside the processing environment, thereby improving the safety of the welding process of ship accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the driving seat and the welding frame of the present invention;

[0020] Figure 3 For the present invention Figure 2 A partial enlarged view of point A in the middle;

[0021] Figure 4 This is a schematic diagram of the structural connection between the drive seat and the linear cylinder of the present invention;

[0022] Figure 5 This is a structural schematic diagram of the welding frame in a rotating state according to the present invention;

[0023] Figure 6 It is a structural cross-sectional view of the drive seat and guide plate of the present invention.

[0024] In the figure: 1. Base; 2. Welding chamber; 3. Sealing frame; 4. Sealing plate; 5. Slide; 6. Drive seat; 7. Guide bottom plate; 8. Screw; 9. Guide cross bar; 10. Sliding plate; 11. Transmission rod; 12. Welding frame; 13. Positioning pressure plate; 14. Threaded cylinder seat; 15. Horizontal cylinder; 16. Mounting column; 17. Clamping block; 18. Welding groove; 19. Mounting hole; 20. Clamping slot; 21. Linear slot hole; 22. Accommodating chamber; 23. Linear cylinder; 24. Annular guide plate; 25. Rotary cylinder; 26. Linear slide; 27. Slider; 28. Electric push rod; 29. ​​Mounting block; 30. Welding gun; 32. Annular rail groove. DETAILED DESCRIPTION

[0025] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0026] See also Figures 1-6As shown, the present invention provides a welding device for assembling ship accessories, comprising a base 1, a welding bin 2 is installed on the top surface of the base 1, a welding mechanism and a flip limit mechanism for double-sided welding of ship accessories are installed inside the welding bin 2, and an observation window is provided on the front side of the welding bin 2 for observing the processing process; the flip limit mechanism comprises a driving seat 6, a guide base plate 7 is provided below the driving seat 6, a rotating cylinder 25 is installed on the top surface of the guide base plate 7, the output end of the rotating cylinder 25 is fixed to the middle part of the bottom surface of the driving seat 6, a welding frame 12 is provided above the driving seat 6, and a transmission mechanism for driving the welding frame 12 to rotate is installed inside the driving seat 6. The movable mechanism comprises: one side of the bottom edge of the welding frame 12 is hinged to the top surface of the driving seat 6; two convex plates are symmetrically installed on the two edge positions of the top surface of the welding frame 12; and two positioning pressure plates 13 for limiting the position of ship accessories are slidably connected to the top surface of the welding frame 12; a horizontal cylinder 15 is installed on the outer surface of the convex plate to push the corresponding positioning pressure plate 13 to move; two mounting columns 16 are installed on the bottom surface of the positioning pressure plate 13; two clamping blocks 17 are symmetrically installed on the outer surface end of each mounting column 16; a mounting hole 19 for cooperating with the mounting column 16 is provided on the top surface of the welding frame 12, and a positioning sliding mechanism is provided between the mounting hole 19 and the mounting column 16.

[0027] The positioning sliding mechanism includes a slot 20 arranged on the surface of the mounting hole 19 and used in conjunction with the block 17. The top surface of the welding frame 12 is provided with a straight slot 21 communicating with the mounting hole 19. The bottom of the mounting hole 19 and the straight slot 21 is provided with a receiving cavity 22. The mounting column 16 is set to a T-shaped structure, and one end of the mounting column 16 fixedly connected to the two blocks 17 enters the receiving cavity 22 and contacts the top surface of the inner cavity of the receiving cavity 22.

[0028] When using the welding bin 2 to weld ship accessories, the flip limit mechanism is located on one side of the welding bin 2, and the ship accessories to be welded are loaded into the welding frame 12. First, the mounting post 16 connected to the bottom of the positioning pressure plate 13 is docked with the hole groove of the mounting hole 19, and the position of the clamping block 17 is aligned with the position of the clamping slot 20. Then, a downward thrust is applied to the positioning pressure plate 13, and the clamping block 17 and the mounting post 16 pass through the clamping slot 20 and the mounting hole 19 respectively to reach the inside of the accommodating cavity 22, and then the positioning pressure plate 13 is pushed so that the positioning pressure plate 13 slides on the welding frame 12, and the top of the mounting post 16 passes through the linear slot 21, and the mounting post 16 and the two clamping blocks 17 are aligned with the position of the clamping slot 20. One end of the block 17 is fixedly connected to the top surface of the inner cavity of the accommodating cavity 22, thereby realizing the clamping connection between the positioning pressure plate 13 and the welding frame 12. The two positioning pressure plates 13 are in a distant state. Under the push of the horizontal cylinder 15, the corresponding positioning pressure plates 13 slide on the welding frame 12. The two positioning pressure plates 13 are close to each other to position and clamp the ship accessories to be welded, thereby improving the quality of the ship accessories during welding. Afterwards, the driving seat 6 is driven to rotate 90 degrees by the rotating cylinder 25, so that the position of the weld seam changes, which is convenient for the welding of the weld seam by the welding mechanism, and the welding work of the entire ship accessories is automatically completed, reducing labor intensity.

[0029] A threaded cylinder seat 14 is rotatably mounted on the outer wall of the positioning pressure plate 13 . The piston rod end of the horizontal cylinder 15 is provided with an external thread, which is threadedly sleeved with the threaded cylinder seat 14 . A screwing portion is provided on the outside of the threaded cylinder seat 14 .

[0030] When the positioning pressure plate 13 is slid into the accommodating cavity 22, the threaded cylinder seat 14 on the outer wall of the positioning pressure plate 13 is docked with the end of the piston rod of the horizontal cylinder 15, and the threaded cylinder seat 14 is rotated so that the threaded cylinder seat 14 and the piston rod of the horizontal cylinder 15 are threadedly installed. The movement of the positioning pressure plate 13 is realized by the push of the horizontal cylinder 15, and then the welded ship accessories are pressed and assembled to improve the welding quality.

[0031] An annular guide plate 24 is installed on the top surface of the guide base plate 7 and outside the rotating cylinder 25 . An annular track groove 32 is provided on the bottom surface of the driving seat 6 . The end of the annular guide plate 24 is slidably connected to the annular track groove 32 .

[0032] When the rotary cylinder 25 drives the driving seat 6 to rotate, the annular track groove 32 at the bottom of the driving seat 6 slides with the annular guide plate 24 to improve the stability of the driving seat 6 during rotation.

[0033] The transmission mechanism includes a driving cavity provided on the top surface of the driving seat 6, a lead screw 8 is installed in the middle of the inner cavity of the driving cavity, and guide cross bars 9 are installed on both sides of the lead screw 8. The external thread of the lead screw 8 is sleeved with a sliding plate 10 that slides with the two guide cross bars 9. The top surface of the sliding plate 10 is hinged with a transmission rod 11, and the end of the transmission rod 11 is hinged to the bottom surface of the welding frame 12. A forward and reverse motor is installed on the outer wall of the driving seat 6, and the output end of the forward and reverse motor is fixed to the end of the lead screw 8. The outside of the forward and reverse motor is provided with a protective cover fixedly connected to the outside of the driving seat 6.

[0034] In the initial state, the welding frame 12 is arranged parallel to the driving seat 6. When the driving seat 6 drives the welding frame 12 to rotate, the forward and reverse motors drive the screw 8 to rotate, and the screw 8 and the sliding plate 10 rotate threadedly, so that the sliding plate 10 and the screw 8 move, and the sliding plate 10 and the two guide cross bars 9 limit sliding to prevent the sliding plate 10 from offsetting in the moving state. During the movement, the sliding plate 10 drives the transmission rod 11 to rotate, and the top of the transmission rod 11 rotates with the bottom surface of the welding frame 12, so that the bottom surface of the welding frame 12 and the driving seat 6 are deflected at an angle, thereby changing the angle of the welding frame 12, and rotating the ship accessories in the welding frame 12 by 90 degrees, which is convenient for the welding mechanism to weld the welds.

[0035] A linear cylinder 23 is installed in the middle of the bottom outer wall of the welding bin 2. The end of the piston rod of the linear cylinder 23 is fixed to the outer surface of the driving seat 6. The top surface of the base 1 is provided with a slide groove 5, which is slidably connected to the guide bottom plate 7.

[0036] During the installation process of ship accessories, the linear cylinder 23 pushes the drive seat 6 out of the welding chamber 2. After the installation of the ship accessories is completed and the welding frame 12 is flipped 90 degrees, the linear cylinder 23 pushes the drive seat 6 to return to the interior of the welding chamber 2, driving the guide base plate 7 and the slide groove 5 to slide.

[0037] A welding groove 18 for welding ship accessories is provided in the middle of the top surface of the welding frame 12. The position where two ship accessories fit together is the weld seam, and the weld seam corresponds to the welding groove 18; the welding mechanism includes a linear slide 26 installed on the top surface of the inner cavity of the welding chamber 2, and a slider 27 is installed on the linear slide 26. An electric push rod 28 is installed on the bottom surface of the slider 27. The telescopic end of the electric push rod 28 is fixedly connected to a mounting block 29, and a welding gun 30 for welding the weld seam of the ship accessories is installed on the side of the mounting block 29.

[0038] First, the weld of the ship accessories follows the linear cylinder 23 to the position of the welding mechanism, and the welding mechanism welds the welds on the left and right sides of the ship accessories to ensure the tightness of the connection of the ship accessories. During welding, the slider 27 slides on the linear slide 26, so that the welding gun 30 approaches the weld position, and the welding gun 30 welds the weld so that the ship accessories are welded together. The electric push rod 28 pushes the mounting block 29 and the welding gun 30 to move downward synchronously. While the electric push rod 28 moves downward, it welds the welds of the ship accessories on the same straight line. The welding material on the welding gun 30 is a consumable. The distance between the slider 27 and the linear slide 26 is fine-tuned to improve the welding accuracy.

[0039] A sealing frame 3 is installed at the end of the top surface of the welding bin 2, and a through groove is provided on the top surface of the welding bin 2 and inside the sealing frame 3, a sealing plate 4 is installed inside the through groove, and a hydraulic cylinder is installed on the top surface of the sealing frame 3. The pushing end of the hydraulic cylinder is fixed to the top surface of the sealing plate 4, and the sealing plate 4 passes through the through groove to reach the interior of the welding bin 2.

[0040] When the welding frame 12, which has been flipped 90 degrees, enters the interior of the welding chamber 2, the hydraulic cylinder pushes the sealing plate 4 through the through slot into the welding chamber 2 and seals the side of the welding chamber 2, thereby preventing sparks generated by welding in the welding chamber 2 from splashing outside the processing environment, thereby improving the safety of the welding process of ship accessories and reducing risks.

[0041] When the present invention is in use, the mounting post 16 connected to the bottom of the positioning pressure plate 13 is docked with the hole groove of the mounting hole 19, and the position of the clamping block 17 is aligned with the clamping slot 20. Then, a downward thrust is applied to the positioning pressure plate 13. The clamping block 17 and the mounting post 16 pass through the clamping slot 20 and the mounting hole 19 respectively to reach the interior of the accommodating cavity 22. Then, the positioning pressure plate 13 is pushed so that the positioning pressure plate 13 slides on the welding frame 12. The top of the mounting post 16 passes through the linear slot 21, and the end of the mounting post 16 fixedly connected to the two clamping blocks 17 contacts the top surface of the inner cavity of the accommodating cavity 22. , realizing the clamping connection between the positioning pressure plate 13 and the welding frame 12. The two positioning pressure plates 13 are in a distanced state. Under the push of the horizontal cylinder 15, the corresponding positioning pressure plates 13 slide on the welding frame 12. The two positioning pressure plates 13 are close to each other to position and clamp the ship accessories to be welded, thereby improving the quality of the ship accessories during welding. Afterwards, the driving seat 6 is driven to rotate 90 degrees by the rotating cylinder 25, so that the position of the welding seam changes, which is convenient for the welding mechanism to weld the weld seam, and the welding work of the entire ship accessories is completed automatically, reducing labor intensity.

[0042] The welding mechanism welds the welds on the left and right sides of the ship accessories to ensure the tightness of the connection of the ship accessories. During welding, the slider 27 slides on the linear slide 26, so that the welding gun 30 approaches the weld position, and the welding gun 30 welds the weld to weld the ship accessories together. The electric push rod 28 pushes the mounting block 29 and the welding gun 30 to move downward synchronously. While the electric push rod 28 moves downward, it welds the welds of the ship accessories on the same straight line, and fine-tunes the distance between the slider 27 and the linear slide 26 to improve welding accuracy.

[0043] The hydraulic cylinder pushes the sealing plate 4 through the through slot into the welding chamber 2 and seals the side of the welding chamber 2, preventing the sparks generated by welding in the welding chamber 2 from splashing outside the processing environment, thereby improving the safety of the welding process of ship accessories and reducing risks.

[0044] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A welding device for assembling ship parts, comprising a welding chamber (2) mounted on the top surface of a base (1), characterized in that: The welding bin (2) is internally installed with a welding mechanism and a flip limit mechanism for double-sided welding of ship accessories; the flip limit mechanism includes a drive seat (6), a guide base plate (7) is provided below the drive seat (6), a rotating cylinder (25) is installed on the top surface of the guide base plate (7), the output end of the rotating cylinder (25) is fixed to the middle of the bottom surface of the drive seat (6), a welding frame (12) is hingedly connected to one side of the top surface of the drive seat (6), and a transmission mechanism for driving the welding frame (12) to rotate is installed inside the drive seat (6), and two rotating shafts for rotating the ship accessories are slidably connected on the top surface of the welding frame (12). The positioning pressure plate (13) is provided on the top surface of the welding frame (12) for pushing the corresponding positioning pressure plate (13) to move. The middle part of the top surface of the welding frame (12) is provided with a welding groove (18) for welding the ship accessories. The bottom surface of the positioning pressure plate (13) is provided with two T-shaped mounting columns (16). The outer surface end of each mounting column (16) is symmetrically provided with two clamping blocks (17). The top surface of the welding frame (12) is provided with a mounting hole (19) for use with the mounting column (16). A positioning sliding mechanism is provided between the mounting hole (19) and the mounting column (16); The top surface of the guide base plate (7) is provided with an annular guide plate (24) located outside the rotating cylinder (25), and the bottom surface of the drive seat (6) is provided with an annular rail groove (32), and the end of the annular guide plate (24) is slidably connected to the annular rail groove (32); The transmission mechanism includes a driving cavity provided on the top surface of the driving seat (6), a lead screw (8) is installed in the middle of the inner cavity of the driving cavity, guide cross bars (9) are installed on both sides of the lead screw (8), the external thread of the lead screw (8) is sleeved with a sliding plate (10) that slides with the two guide cross bars (9), the top surface of the sliding plate (10) is hinged with a transmission rod (11), the end of the transmission rod (11) is hinged to the bottom surface of the welding frame (12), and a forward and reverse motor is installed on the outer wall of the driving seat (6), and the output end of the forward and reverse motor is fixed to the end of the lead screw (8); A linear cylinder (23) is installed at a central position on the bottom outer wall of the welding chamber (2), the piston rod end of the linear cylinder (23) is fixed to the outer surface of the drive seat (6), and a slide groove (5) is provided on the top surface of the base (1), and the slide groove (5) is slidably connected to the guide bottom plate (7); The welding mechanism comprises a linear slide (26) mounted on the top surface of the inner cavity of the welding chamber (2), a slider (27) mounted on the linear slide (26), an electric push rod (28) mounted on the bottom surface of the slider (27), a telescopic end of the electric push rod (28) fixedly connected to a mounting block (29), and a welding gun (30) for welding the weld seam of the ship accessories mounted on the side surface of the mounting block (29).

2. A welding device for assembling ship parts according to claim 1, characterized in that: The positioning sliding mechanism includes a slot (20) arranged on the surface of the mounting hole (19) and used in conjunction with the clamping block (17); the top surface of the welding frame (12) is provided with a straight slot (21) communicating with the mounting hole (19); the bottom of the mounting hole (19) and the straight slot (21) are provided with a receiving cavity (22); one end of the mounting column (16) fixedly connected to the two clamping blocks (17) enters the receiving cavity (22) and contacts the top surface of the inner cavity of the receiving cavity (22).

3. A welding device for assembling ship parts according to claim 1, characterized in that: A threaded barrel seat (14) is rotatably mounted on the outer wall of the positioning pressure plate (13), and an external thread is provided at the end of the piston rod of the horizontal cylinder (15). The end of the piston rod is threadably sleeved with the threaded barrel seat (14), and a screwing portion is provided on the outside of the threaded barrel seat (14).

4. A welding device for assembling ship parts according to claim 1, characterized in that: A sealing frame (3) is installed at the end of the top surface of the welding bin (2), and a through groove is provided on the top surface of the welding bin (2) and located inside the sealing frame (3), and a sealing plate (4) is installed inside the through groove. A hydraulic cylinder is installed on the top surface of the sealing frame (3), and the pushing end of the hydraulic cylinder is fixed to the top surface of the sealing plate (4), and the sealing plate (4) passes through the through groove to reach the inside of the welding bin (2).

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