Welding frame for cylinder

Abstract

The utility model discloses a welding frame for a barrel, and relates to the technical field of barrel welding. The welding device comprises a base, supporting frames are fixedly connected to the two ends of the top of the base, a clamping assembly is arranged at the top of the base and located between the two supporting frames, a welding assembly is arranged at the top of the base, and the bottoms of the two ends of the welding assembly are fixedly connected with the tops of the two supporting frames. Through the arrangement of the supporting frame, a barrel can be clamped and fixed, so that the stability during welding of the barrel can be improved, meanwhile, the barrel can be rotated during welding, the working efficiency of welding of the barrel can be improved, and meanwhile through the arrangement of the welding assembly, the welding efficiency of the barrel can be improved. And the welding module can be driven to transversely move on the outer side of the barrel, so that the barrel connecting position can be adapted through the welding module, and the working efficiency of barrel welding can be further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder welding, in particular to a welding frame for a cylinder. Background Art

[0002] The cylinder of a diesel generator is an indispensable and important component, which plays the role of protecting internal components. The cylinder consists of a lower flange, a cylinder and an upper flange from bottom to top. During processing, the three components need to be welded together for use. When welding the cylinder, a welding frame is required to improve welding efficiency and effectively support the cylinder.

[0003] With reference to the authorized patent number "CN213945381U", a cylinder welding frame is disclosed, which records the technical problem of "isolating the outside air from the cylinder welding position through the function of the frame and the dust cover, avoiding the adverse effect of the flow of outside air on the welding of the cylinder, thereby ensuring the welding quality of the cylinder".

[0004] In the process of implementing the patent, the applicant found that the patent still has unresolved technical problems for those skilled in the art:

[0005] When the cylinder is placed on the welding rack, the cylinder itself is not fixed. Therefore, when the cylinder is welded, there is no way to ensure the stability of the cylinder during its rotation, which will reduce the welding efficiency and increase the danger of the welding operation. For this reason, it is necessary to propose a welding rack for the cylinder to solve the technical problems mentioned in the above patent and provide a new technical solution. Utility Model Content

[0006] Based on this, a welding frame for a cylinder is provided to solve the following technical problem raised in the background technology: when the cylinder is placed on the welding frame, the cylinder itself is not fixed. Therefore, when the cylinder is welded, there is no way to ensure the stability of the cylinder itself during its rotation, which will reduce the welding efficiency and increase the danger of the welding operation.

[0007] The utility model adopts the following technical solution:

[0008] The welding frame for the cylinder specifically includes a base, both ends of the top of the base are fixedly connected to support frames, a clamping assembly is provided on the top of the base, and the clamping assembly is located between the two support frames, a welding assembly is provided on the top of the base, and the bottoms of both ends of the welding assembly are fixedly connected to the tops of the two support frames.

[0009] Furthermore, the clamping assembly includes a movable placement plate, a toothed plate, a first motor, a first connecting rod and a first gear. A sliding groove is provided at the top of the base, and a movable placement plate is gap-fitted inside the sliding groove. A placement groove is provided at the bottom center of the movable placement plate, and a toothed plate is fixedly connected to the inside of the placement groove. A first motor is fixedly connected to one side of one end of the base, a first rotating groove is provided at the top of one end of the inner side of the sliding groove close to the first motor, and the position of the first rotating groove corresponds to the first motor, a first connecting rod is fixedly connected to the output end of the first motor, and the first connecting rod passes through the inner side of the base and extends to the inner side of the first rotating groove, and the end of the base located inside the first rotating groove is fixedly connected to the first gear, and the first gear is meshed with the toothed plate.

[0010] Furthermore, the clamping assembly also includes a fixed rod, a support plate, a universal wheel and a counterweight. Two second rotation grooves are provided at the bottom of one end of the movable placement plate close to the first motor, and the two second rotation grooves are located on both sides of the bottom of the movable placement plate. A fixed rod is fixedly connected to the inner side of the second rotation groove, and a support plate is rotatably connected to the outer side of the fixed rod. A universal wheel is fixedly connected to the center position of the support plate away from the end of the fixed rod, and counterweights are fixedly connected to both sides of the support plate away from the end of the fixed rod.

[0011] Furthermore, the clamping assembly also includes a double-headed motor, a first threaded rod, a movable arc plate and a first slider. Movable grooves are provided at both ends of the top of the movable placement plate. The double-headed motor is fixedly connected to the center position of the inner side of the movable groove. The output ends on both sides of the double-headed motor are fixedly connected to the first threaded rod, and the ends of the first threaded rod away from the double-headed motor are rotatably connected to the two sides of the inner side of the movable groove. Two first sliders are symmetrically arranged on the inner side of the movable groove with a clearance fit, and the inner side of the first slider is threadedly connected to the first threaded rod. A movable arc plate is fixedly connected to the top of the first slider, and the two movable arc plates at the same end are symmetrically arranged.

[0012] Furthermore, the clamping assembly also includes a rotating arc plate, a tooth block, a second gear, a third gear, a second motor and a second connecting rod, and the adjacent sides of the two movable arc plates are each provided with a third rotating groove, and the inner side of the third rotating groove is gap-fitted with a rotating arc plate, and the top and bottom of the adjacent sides of the two rotating arc plates are plug-connected, and the outer circumference of the rotating arc plate is provided with a plurality of tooth blocks fixedly connected in a circumferential array, and a reserved groove is provided on the inner side of the movable arc plate on one side, and the reserved groove is connected to the third rotating groove, and the inner side of the reserved groove is rotatably connected with the second gear, the second gear is meshed with the tooth block, a third gear is also arranged on the inner side of the reserved groove, and the third gear is located at the bottom of the second gear and is meshed with the second gear, one end of the movable arc plate is fixedly connected with the second motor, and the output end of the second motor is fixedly connected with the second connecting rod, the second connecting rod passes through the side wall of the movable arc plate and extends to the inner side of the reserved groove, the second connecting rod is clearance fit with the side wall of the movable arc plate, and the end of the second connecting rod away from the second motor is fixedly connected with the third gear.

[0013] Furthermore, the welding assembly includes a hollow plate, a third motor, a second threaded rod, a second slider, an electric push cylinder and a welding module. A hollow plate is arranged on the top of the base, and the bottoms of both ends of the hollow plate are fixedly connected to the tops of the two support frames, one end of the inner side of the hollow plate is fixedly connected to the third motor, and the output end of the third motor is fixedly connected to the second threaded rod, and the end of the second threaded rod away from the third motor is rotatably connected to the end of the inner side of the hollow plate away from the third motor. A second slider is gap-fitted on the inner side of the hollow plate, and the inner side of the second slider is threadedly connected to the second threaded rod, the bottom of the second slider is fixedly connected to the electric push cylinder, and the bottom of the electric push cylinder is fixedly connected to the welding module.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model provides a cylinder welding frame, which can clamp and fix the cylinder, thereby improving the stability when welding the cylinder, and can also rotate the cylinder itself during welding, thereby improving the working efficiency of cylinder welding.

[0016] The utility model provides a welding frame for a cylinder, which can drive a welding module to move laterally outside the cylinder, so that the welding module can adapt to the connection position of the cylinder, thereby further improving the working efficiency of cylinder welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. 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.

[0018] Figure 1 This is a schematic diagram of the overall structure of a welding frame for a cylinder provided by the utility model;

[0019] Figure 2 This is a schematic diagram of the exploded structure of a welding frame for a cylinder provided by the utility model;

[0020] Figure 3 A schematic diagram of the structure of a movable placement plate for a cylinder welding frame provided by the utility model;

[0021] Figure 4 A structural schematic diagram of a welding rack tooth plate for a cylinder provided by the utility model;

[0022] Figure 5 A welding frame for a cylinder provided by the utility model Figure 4 A schematic diagram of the structure at A;

[0023] Figure 6 A structural schematic diagram of a rotating arc plate for a cylinder welding frame provided by the utility model;

[0024] Figure 7 The utility model provides a structural schematic diagram of a hollow plate of a welding frame for a cylinder.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Base; 2. Support frame; 3. Clamping assembly; 4. Welding assembly; 5. Moving placement plate; 6. Tooth plate; 7. First motor; 8. First connecting rod; 9. First gear; 10. Fixed rod; 11. Support plate; 12. Universal wheel; 13. Counterweight; 14. Double-headed motor; 15. First threaded rod; 16. Moving arc plate; 17. First slider; 18. Rotating arc plate; 19. Tooth block; 20. Second gear; 21. Third gear; 22. Second motor; 23. Second connecting rod; 24. Hollow plate; 25. Third motor; 26. Second threaded rod; 27. Second slider; 28. Electric push cylinder; 29. ​​Welding module. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0028] As in the background art, when the cylinder is placed on the welding frame, the cylinder itself is not fixed, so when the cylinder is welded, there is no way to ensure the stability of the cylinder during its rotation, which reduces the welding efficiency and increases the danger of the welding operation.

[0029] In order to solve this technical problem, the utility model provides a welding frame for a cylinder, which can clamp and fix the cylinder, thereby improving the stability when welding the cylinder, and can rotate the cylinder itself during welding, thereby improving the work efficiency of cylinder welding.

[0030] Specifically, please refer to Figure 1-Figure 2 A welding frame for a cylinder specifically includes a base 1, both ends of the top of the base 1 are fixedly connected with support frames 2, a clamping assembly 3 is arranged on the top of the base 1, and the clamping assembly 3 is located between the two support frames 2, a welding assembly 4 is arranged on the top of the base 1, and the bottoms of both ends of the welding assembly 4 are fixedly connected with the tops of the two support frames 2.

[0031] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0032] Embodiment 1:

[0033] Please refer to Figure 1-Figure 2 A welding frame for a cylinder includes a base 1, both ends of the top of the base 1 are fixedly connected to support frames 2, a clamping assembly 3 is provided on the top of the base 1, and the clamping assembly 3 is located between the two support frames 2, a welding assembly 4 is provided on the top of the base 1, and the bottoms of both ends of the welding assembly 4 are fixedly connected to the tops of the two support frames 2.

[0034] When in use, the clamping assembly 3 can be moved out of the range of the top of the base 1, and then the cylinder is fixed to the top of the clamping assembly 3, and then the clamping assembly 3 is moved to the top position of the base 1, and then the welding assembly 4 is used to weld the position on the outside of the cylinder that needs to be welded;

[0035] By setting the clamping assembly 3, the cylinder can be rotated by itself, so as to improve the welding effect of the cylinder. At the same time, by fixing the cylinder, the safety during the welding of the cylinder can also be improved.

[0036] At the same time, by setting the welding assembly 4, the welding range of the outer side of the cylinder can be increased, thereby improving the welding efficiency of the cylinder.

[0037] Embodiment 2:

[0038] This embodiment 2 is used to further disclose the specific structure of the clamping assembly 3 on the premise of the above embodiment. Through the coordination of the clamping assembly 3 and the structure in the above embodiment, the cylinder body can be clamped and fixed, thereby improving the stability when welding the cylinder body. At the same time, the cylinder body can be rotated during welding, thereby improving the work efficiency of cylinder welding.

[0039] The welding frame for a cylinder provided in Example 1 is further optimized. Specifically, Figure 3-Figure 6 As shown, the clamping assembly 3 includes a movable placement plate 5, a toothed plate 6, a first motor 7, a first connecting rod 8 and a first gear 9. A sliding groove is provided at the top of the base 1, and the movable placement plate 5 is gap-fitted inside the sliding groove. A placement groove is provided at the bottom center of the movable placement plate 5, and the toothed plate 6 is fixedly connected to the inside of the placement groove. A first motor 7 is fixedly connected to one side of one end of the base 1, a first rotating groove is provided at the top of the inner side of the sliding groove close to the first motor 7, and the position of the first rotating groove corresponds to the first motor 7. The output end of the first motor 7 is fixedly connected to the first connecting rod 8, and the first connecting rod 8 passes through the inner side of the base 1 and extends to the inner side of the first rotating groove. The end of the base 1 located inside the first rotating groove is fixedly connected to the first gear 9, and the first gear 9 is meshed with the toothed plate 6.

[0040] The clamping assembly 3 also includes a fixed rod 10, a support plate 11, a universal wheel 12 and a counterweight 13. Two second rotating grooves are provided at the bottom of one end of the movable placement plate 5 close to the first motor 7, and the two second rotating grooves are located on both sides of the bottom of the movable placement plate 5. The fixed rod 10 is fixedly connected to the inner side of the second rotating groove, and the support plate 11 is rotatably connected to the outer side of the fixed rod 10. The universal wheel 12 is fixedly connected to the center position of the support plate 11 away from the end of the fixed rod 10, and the counterweights 13 are fixedly connected to both sides of the support plate 11 away from the end of the fixed rod 10.

[0041] The clamping assembly 3 also includes a double-headed motor 14, a first threaded rod 15, a movable arc plate 16 and a first slider 17. Movable grooves are provided at both ends of the top of the movable placement plate 5. The double-headed motor 14 is fixedly connected to the center position of the inner side of the movable groove. The output ends on both sides of the double-headed motor 14 are fixedly connected to the first threaded rod 15, and the ends of the first threaded rod 15 away from the double-headed motor 14 are rotatably connected to the two sides of the inner side of the movable groove. Two first sliders 17 are symmetrically arranged on the inner side of the movable groove with a gap fit, and the inner side of the first slider 17 is threadedly connected to the first threaded rod 15. The top of the first slider 17 is fixedly connected to the movable arc plate 16, and the two movable arc plates 16 at the same end are symmetrically arranged.

[0042] The clamping assembly 3 also includes a rotating arc plate 18, a tooth block 19, a second gear 20, a third gear 21, a second motor 22 and a second connecting rod 23. The adjacent sides of the two movable arc plates 16 are each provided with a third rotating groove, and the inner side of the third rotating groove is gap-matched with the rotating arc plate 18, and the top and bottom of the adjacent sides of the two rotating arc plates 18 are plug-connected, and the outer peripheral side of the rotating arc plate 18 is provided with a plurality of tooth blocks 19 fixedly connected in a circumferential array, and a reserved groove is provided on the inner side of the movable arc plate 16 on one side, and the reserved groove is connected to the third rotating groove, and the inner side of the reserved groove is rotatably connected with the second Gear 20, the second gear 20 is meshed with the tooth block 19, a third gear 21 is also arranged on the inner side of the reserved groove, and the third gear 21 is located at the bottom of the second gear 20 and is meshed with the second gear 20, one end of the movable arc plate 16 is fixedly connected to the second motor 22, and the output end of the second motor 22 is fixedly connected to the second connecting rod 23, the second connecting rod 23 passes through the side wall of the movable arc plate 16 and extends to the inner side of the reserved groove, the second connecting rod 23 is clearance-fitted with the side wall of the movable arc plate 16, and the end of the second connecting rod 23 away from the second motor 22 is fixedly connected to the third gear 21.

[0043] Specifically: before the cylinder is fixed, the first motor 7 can be turned on, and the first connecting rod 8 and the first gear 9 can be driven to rotate by the first motor 7. The first gear 9 and the toothed plate 6 can be meshed to drive the movable placement plate 5 to slide inside the sliding groove provided in the base 1, and most of the movable placement plate 5 can be moved out of the sliding groove range at the top of the base 1;

[0044] When the second rotating groove at the bottom of the movable placement plate 5 moves out of the sliding groove range at the top of the base 1, the support plate 11 inside the second rotating groove will be turned downward with the fixed rod 10 as the center of the circle by the gravity setting of the counterweight block 13, so that the support plate 11 can be in a state perpendicular to the movable placement plate 5 in coordination with the setting of the two counterweight blocks 13, and then the universal wheel 12 at the bottom of the support plate 11 will contact the ground, and the cooperation between the universal wheel 12 and the support plate 11 will play a supporting effect on the portion of the movable placement plate 5 extending out of the outside of the base 1;

[0045] Then the cylinder can be placed between the two rotating arc plates 18, then the double-headed motor 14 is turned on, and the first threaded rod 15 is driven by the double-headed motor 14 to rotate inside the movable groove. During the rotation of the first threaded rod 15, the two first sliders 17 are driven to move synchronously and oppositely inside the movable groove, and then the two movable arc plates 16 fixedly connected to the first sliders 17 can be driven to move synchronously oppositely, so that the two movable arc plates 16 can drive the two rotating arc plates 18 to wrap the outside of the cylinder. At this time, the top and bottom of the adjacent side of the two rotating arc plates 18 are plugged into each other to form a closed loop, and the cylinder is clamped and fixed;

[0046] Then, the first motor 7 can be turned on to rotate in the reverse direction, so as to drive the movable placement plate 5 to move to the inner side of the sliding groove at the top of the base 1. When the movable placement plate 5 moves to the inner side of the sliding groove, the two support plates 11 at the bottom of the movable placement plate 5 will contact one end of the base 1, and through the extrusion fit with the end of the base 1, the support plate 11 will be flipped back to the inner side of the second rotation groove;

[0047] After the moving plate 5 is moved between the two support frames 2 in the moving groove, the outer side of the cylinder can be welded by setting the welding assembly 4. During the welding process, the second motor 22 can be turned on, and the second connecting rod 23 can be driven to rotate by the second motor 22, and then the third gear 21 on the inner side of the reserved groove can be driven to rotate synchronously. Through the meshing connection setting between the third gear 21, the second gear 20 and the tooth block 19, when the third gear 21 rotates, the two plug-in fixed rotating arc plates 18 can be driven to rotate synchronously, and the effect of driving the two rotating arc plates 18 to rotate between the two moving arc plates 16 can be achieved, so as to achieve the effect of driving the cylinder to rotate during welding, thereby improving the safety during welding and improving the welding efficiency of the cylinder.

[0048] Embodiment 3:

[0049] This embodiment 3 is used to further disclose the specific structure of the welding assembly 4 on the premise of the above embodiments. Through the coordination of the welding assembly 4 and the structure in the above embodiments, it is possible to drive the welding module 29 to move laterally outside the cylinder, so that the welding module 29 can adapt to the cylinder connection position, thereby further improving the work efficiency of cylinder welding.

[0050] The welding frame for the cylinder provided in Example 1 and Example 2 is further optimized. Specifically, Figure 7As shown, the welding assembly 4 includes a hollow plate 24, a third motor 25, a second threaded rod 26, a second slider 27, an electric push cylinder 28 and a welding module 29. A hollow plate 24 is arranged on the top of the base 1, and the bottoms of both ends of the hollow plate 24 are fixedly connected to the tops of the two support frames 2, one end of the inner side of the hollow plate 24 is fixedly connected to the third motor 25, and the output end of the third motor 25 is fixedly connected to the second threaded rod 26, and the end of the second threaded rod 26 away from the third motor 25 is rotatably connected to the end of the inner side of the hollow plate 24 away from the third motor 25, a second slider 27 is gap-fitted on the inner side of the hollow plate 24, and the inner side of the second slider 27 is threadedly connected to the second threaded rod 26, the bottom of the second slider 27 is fixedly connected to the electric push cylinder 28, and the bottom of the electric push cylinder 28 is fixedly connected to the welding module 29.

[0051] Specifically: by turning on the third motor 25, the second threaded rod 26 can be driven to rotate inside the hollow plate 24. When the second threaded rod 26 rotates, the second slider 27 can be driven to move laterally inside the hollow plate 24, so that the welding module 29 can be driven to move synchronously with the second slider 27 through the connection of the electric push cylinder 28. After the welding module 29 moves to a suitable position, the electric push cylinder 28 can be turned on, and the welding module 29 can be adjusted longitudinally. Then, the bottom of the welding module 29 can be made to contact the outer side of the cylinder that needs to be welded, and the welding module 29 can be turned on to weld the outer side of the cylinder;

[0052] By setting the second slider 27, the position of the bottom welding module 29 can be changed, so that the welding range of the cylinder can be increased, and then the welding efficiency of the cylinder can be improved.

Claims

1. A welding frame for a cylinder, comprising a base (1), characterized in that: Both ends of the top of the base (1) are fixedly connected to support frames (2); a clamping assembly (3) is provided on the top of the base (1), and the clamping assembly (3) is located between the two support frames (2); a welding assembly (4) is provided on the top of the base (1), and the bottoms of both ends of the welding assembly (4) are fixedly connected to the tops of the two support frames (2); The clamping assembly (3) comprises a movable placement plate (5), a toothed plate (6), a first motor (7), a first connecting rod (8) and a first gear (9); a sliding groove is provided at the top of the base (1), and a movable placement plate (5) is gap-matched inside the sliding groove; a placement groove is provided at the bottom center of the movable placement plate (5), and a toothed plate (6) is fixedly connected to the inside of the placement groove; a first motor (7) is fixedly connected to one side of one end of the base (1); a first rotating groove is provided at the top of the end of the inner side of the sliding groove close to the first motor (7), and the position of the first rotating groove corresponds to the first motor (7); a first connecting rod (8) is fixedly connected to the output end of the first motor (7), and the first connecting rod (8) passes through the inner side of the base (1) and extends to the inner side of the first rotating groove; a first gear (9) is fixedly connected to the end of the base (1) located inside the first rotating groove, and the first gear (9) is meshed with the toothed plate (6); The clamping assembly (3) further comprises a fixed rod (10), a support plate (11), a universal wheel (12) and a counterweight (13); two second rotation grooves are provided at the bottom of one end of the movable placement plate (5) close to the first motor (7), and the two second rotation grooves are both located on both sides of the bottom of the movable placement plate (5); a fixed rod (10) is fixedly connected to the inner side of the second rotation groove; a support plate (11) is rotatably connected to the outer side of the fixed rod (10); a universal wheel (12) is fixedly connected to the center position of the support plate (11) away from the end of the fixed rod (10); and counterweights (13) are fixedly connected to both sides of the end of the support plate (11) away from the fixed rod (10); The clamping assembly (3) also includes a double-headed motor (14), a first threaded rod (15), a movable arc plate (16) and a first slider (17); movable grooves are provided at both ends of the top of the movable placement plate (5); the double-headed motor (14) is fixedly connected to the center position of the inner side of the movable groove; the output ends on both sides of the double-headed motor (14) are fixedly connected to the first threaded rod (15); and the ends of the first threaded rod (15) away from the double-headed motor (14) are rotatably connected to the two sides of the inner side of the movable groove; two first sliders (17) are symmetrically arranged on the inner side of the movable groove with a clearance fit; and the inner side of the first slider (17) is threadedly connected to the first threaded rod (15); the top of the first slider (17) is fixedly connected to the movable arc plate (16), and the two movable arc plates (16) at the same end are symmetrically arranged; The clamping assembly (3) also includes a rotating arc plate (18), a tooth block (19), a second gear (20), a third gear (21), a second motor (22) and a second connecting rod (23). A third rotating groove is provided on the adjacent sides of the two movable arc plates (16). The inner side of the third rotating groove is gap-fitted with a rotating arc plate (18), and the top and bottom of the adjacent sides of the two movable arc plates (18) are plug-connected. The outer peripheral side of the rotating arc plate (18) is fixedly connected with a plurality of tooth blocks (19) in a circular array. A reserved groove is provided on the inner side of the movable arc plate (16) on one side, and the reserved groove is connected to the third rotating groove. The inner side of the reserved groove is rotatably connected with the second gear (20). The second gear (20) is meshed with the tooth block (19), a third gear (21) is also arranged on the inner side of the reserved groove, and the third gear (21) is located at the bottom of the second gear (20) and is meshed with the second gear (20), one end of the movable arc plate (16) is fixedly connected with the second motor (22), the output end of the second motor (22) is fixedly connected with the second connecting rod (23), the second connecting rod (23) passes through the side wall of the movable arc plate (16) and extends to the inner side of the reserved groove, the second connecting rod (23) and the side wall of the movable arc plate (16) are clearance-matched, and the end of the second connecting rod (23) away from the second motor (22) is fixedly connected with the third gear (21).

2. A cylinder welding frame according to claim 1, characterized in that: The welding assembly (4) comprises a hollow plate (24), a third motor (25), a second threaded rod (26), a second slider (27), an electric push cylinder (28) and a welding module (29); the top of the base (1) is provided with a hollow plate (24), and the bottoms of both ends of the hollow plate (24) are fixedly connected to the tops of the two support frames (2); one end of the inner side of the hollow plate (24) is fixedly connected to the third motor (25), and the output end of the third motor (25) is fixedly connected to the second threaded rod (26), the end of the second threaded rod (26) away from the third motor (25) is rotatably connected to the end of the inner side of the hollow plate (24) away from the third motor (25), the inner side of the hollow plate (24) is gap-fitted with a second slider (27), and the inner side of the second slider (27) is threadedly connected to the second threaded rod (26), the bottom of the second slider (27) is fixedly connected to an electric push cylinder (28), and the bottom of the electric push cylinder (28) is fixedly connected to a welding module (29).

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