Distribution box body welding device for power supply

Abstract

The invention relates to the technical field of power distribution box machining, and provides a power supply power distribution box body welding device which comprises a bearing mechanism, a driving module, a first transmission assembly, a rotating assembly, a position adjusting assembly, a feeding part, a material guiding shell, a material taking shell and a welding module. The rotating assembly comprises a [-shaped frame and a pipe sleeve, the transmission pipe and the pipe sleeve are both in transmission connection with the driving module, the position adjusting assembly comprises a rotating pipe, an adsorption disc, a second bevel gear and a vacuum pump module, the first bevel gear is in transmission connection with the second bevel gear, and the vacuum pump module is communicated with the adsorption disc and rotates with the rotating pipe and the transmission pipe as axes. On one hand, automatic feeding and discharging can be achieved, on the other hand, box frame front face diagonal splicing seams, splicing seams of an upper cover plate and a lower cover plate and box frame inner wall limiting ribs or an electric frame can be automatically welded, and the beneficial effects that automatic feeding and discharging are achieved, and the welding angle and the welding position are convenient to adjust are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of distribution box processing, and in particular to a distribution box body welding device for power supply. Background Art

[0002] A distribution box is usually a small electrical equipment box used to distribute electricity to various circuits. It generally includes circuit breakers, fuses, terminal blocks, etc., and is mainly used for low-voltage power distribution and control. When welding the outer box of the distribution box, the plate is usually bent first, and then the upper and lower covers are pre-installed on both ends of the bent plate to form a frame. Finally, the welding equipment is used to weld the diagonal joints on the front of the box frame, the joints between the upper and lower covers, and the inner wall limit ribs or power racks of the box frame.

[0003] After searching, the existing patent number CN116532858B discloses an automatic welding device for distribution box production, including a base, a bracket and a welding gun, the bracket is installed on the top of the base, and the welding gun is arranged on the inner side of the bracket, and also includes a first adjusting mechanism, the first adjusting mechanism includes a round table and a groove wheel mechanism for driving the round table to rotate in sections; a positioning mechanism, which is arranged above the round table and is used to fix the distribution box; a lifting mechanism, which is connected to the round table and is used to drive the round table to lift and lower; a second adjusting mechanism, which is connected to the welding gun and is used to drive the welding gun to move up and down; a driving mechanism, which is installed inside the base and is used to drive the groove wheel mechanism, the lifting mechanism and the second adjusting mechanism to operate respectively; the automatic welding device for distribution box production realizes automatic fixation of distribution box components, and can automatically calibrate the distribution box components, avoiding the problem of unstable welding of distribution box components and ensuring the flatness of distribution box welding.

[0004] The above-disclosed distribution box welding device also has the following defects: on the one hand, it is unable to automatically load the pre-installed frame, and on the other hand, it is unable to automatically weld the diagonal joints on the front of the box frame, the joints between the upper cover and the lower cover, and the limiting ribs on the inner wall of the box frame or the power frame. Summary of the invention

[0005] The purpose of the present invention is to provide a distribution box body welding device for power supply, aiming to solve the problems existing in the existing distribution box welding devices.

[0006] To achieve the above object, the present invention provides the following technical solution: a distribution box welding device for power supply, comprising a bearing mechanism, a welding module and a control display, wherein the bearing mechanism comprises a bearing shell and a gantry frame, the gantry frame is fixedly connected to the bearing shell, the welding module and the control display are both connected to the gantry frame, and further comprising: A drive module located in the bearing housing; A first transmission assembly connected to the bearing housing, the first transmission assembly comprising a transmission tube and a first bevel gear, the first bevel gear being fixedly connected to the transmission tube; A rotating assembly connected to the bearing housing, the rotating assembly comprising a U-shaped frame and a pipe sleeve, the U-shaped frame is fixedly connected to the pipe sleeve, the transmission pipe and the pipe sleeve are coaxially connected to the inner wall of the bearing housing, and the transmission pipe and the pipe sleeve are both transmission-connected to the driving module; A position adjustment component, the position adjustment component includes a rotating tube, an adsorption plate, a second bevel gear and a vacuum pump module, the adsorption plate and the second bevel gear are both fixedly connected to the rotating tube, the rotating tube is connected to the surface of the yoke, the first bevel gear is drivingly connected to the second bevel gear, and the vacuum pump module is connected to the adsorption plate; A material guiding shell and a material taking shell are arranged between the bearing shell and the gantry frame; The feeding part is located in the material guiding housing.

[0007] As a further solution of the present invention, the first transmission assembly also includes a first worm, a first spur gear and a first worm wheel. The first spur gear and the first worm wheel are fixedly connected to the first worm and the transmission tube respectively. The first worm wheel is transmission connected to the first worm. The first worm is connected to the surface of the bearing shell, and one side of the drive module is transmission connected to the first spur gear.

[0008] As a further solution of the present invention, the position adjustment assembly also includes a first bend pipe and a second bend pipe, one end of the first bend pipe is fixedly connected to the vacuum pump module, and both ends of the second bend pipe are rotatably connected to the second bevel gear and the first bend pipe respectively, the first bend pipe and the second bend pipe both pass through the transmission pipe, the second bend pipe is connected to the V-shaped frame, and the rotating pipe, the adsorption plate and the second bend pipe are connected.

[0009] As a further solution of the present invention, the rotating assembly includes a second worm, a second spur gear and a second worm wheel. The second spur gear and the second worm wheel are fixedly connected to the second worm and the pipe sleeve respectively. The second worm is transmission connected to the second worm wheel. The other side of the drive module is transmission connected to the second spur gear.

[0010] As a further solution of the present invention, a loading shell is arranged above the material guiding shell, a box frame is placed inside the loading shell, a material guiding port is arranged between the material guiding shell and the loading shell, and the bottom of the loading shell is inclined downward toward the material guiding port.

[0011] As a further solution of the present invention, the feeding part includes a telescopic part and a Z-shaped plate, the telescopic part is fixedly connected to the inner wall of the material guide shell, the Z-shaped plate is fixedly connected to the telescopic part, the bottom of the box frame is in contact with the Z-shaped plate, and the top and side walls of the bottom of the box frame are in sliding contact with the inner wall of the material guide shell.

[0012] As a further solution of the present invention, the driving module includes a driving part, a driving gear and an adjusting part, the driving part includes a driving motor, a driving rod, a limiting end cover and a key strip, the driving motor is connected to the driving rod, the driving gear is movably sleeved on the surface of the driving rod, the end of the driving rod is provided with a limiting end cover, the driving gear and the driving rod surface are respectively provided with a keyway and a key strip, the key strip is slidably connected to the keyway, and the first spur gear and the second spur gear are both transmission connected to the driving gear.

[0013] As a further solution of the present invention, the adjustment part includes a bracket, an electromagnet and a reset spring, the drive motor and the bracket are fixedly connected to the bearing shell, the drive gear and the bracket surface are respectively inlaid with magnetic rings and electromagnets, and the reset spring is connected between the drive gear and the bracket.

[0014] As a further solution of the present invention, when the electromagnet is energized and fits against the magnetic ring, the second spur gear is transmission connected to the driving gear; after the electromagnet is powered off, the return spring drives the driving gear to fit against the limiting end cover, and the first spur gear is transmission connected to the driving gear.

[0015] The beneficial effects of the present invention are as follows: by rotating with the rotating tube and the transmission tube as the axis, on the one hand, it can automatically load and unload materials; on the other hand, it can automatically weld the diagonal joints on the front side of the box frame, the joints between the upper cover plate and the lower cover plate, and the limiting ribs on the inner wall of the box frame or the power frame. It has the characteristics of automatic loading and unloading and easy adjustment of welding angles and welding positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a stereogram of the present invention.

[0017] Figure 2 It is an exploded view of the present invention.

[0018] Figure 3 It is an exploded view of a driving module according to an embodiment of the present invention.

[0019] Figure 4 It is a three-dimensional diagram of the first transmission assembly according to an embodiment of the present invention.

[0020] Figure 5 It is a three-dimensional diagram of a position adjustment assembly according to an embodiment of the present invention.

[0021] Figure 6 It is a three-dimensional diagram of a rotating assembly according to an embodiment of the present invention.

[0022] Figure 7 It is an assembly diagram of the driving module, the first transmission assembly, the position adjustment assembly and the rotating assembly according to an embodiment of the present invention.

[0023] Figure 8It is a three-dimensional diagram of the carrying mechanism according to an embodiment of the present invention.

[0024] Fig. 9 It is a first plan view of the present invention.

[0025] Fig.10 It is a second plan view of the present invention.

[0026] Fig.11 It is a third plan view of the present invention.

[0027] Fig.12 For the present invention Figure 7 A partial enlarged view of point a in the middle.

[0028] Reference numerals: 1-carrying mechanism, 11-carrying housing, 12-gantry frame, 13-material guiding housing, 14-feeding housing, 141-material guiding port, 15-material taking housing; 2- Welding module; 3-driving module, 31-driving part, 311-driving motor, 312-driving rod, 313-limiting end cover, 314-key bar, 32-driving gear, 321-magnetic ring, 33-adjusting part, 331-bracket, 332-electromagnet, 333-reset spring; 4-first transmission assembly, 41-first worm, 42-first spur gear, 43-first worm wheel, 44-transmission tube, 45-first helical gear; 5-position adjustment component, 51-rotating tube, 52-adsorption plate, 53-second bevel gear, 54-vacuum pump module, 55-first bend pipe, 56-second bend pipe; 6-rotating assembly, 61-second worm, 62-second spur gear, 63-shaped frame, 64-pipe sleeve, 65-second worm gear; 7-feeding part, 71-telescopic part, 72-Z-shaped plate, 8-control display, 9-box rack. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0030] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0031] See also Figures 1 to 12In one embodiment of the present invention, a distribution box welding device for power supply includes a bearing mechanism 1, a welding module 2 and a control display 8. The bearing mechanism 1 includes a bearing shell 11 and a gantry frame 12. The gantry frame 12 is fixedly connected to the bearing shell 11. The welding module 2 and the control display 8 are both connected to the gantry frame 12. The specific model and structure of the welding module 2 are not limited, as long as it has the functions of angle adjustment, horizontal adjustment and longitudinal adjustment of the welding head. It also includes: A driving module 3 located in the carrying housing 11; A first transmission assembly 4 connected to the bearing housing 11, wherein the first transmission assembly 4 comprises a transmission tube 44 and a first bevel gear 45, wherein the first bevel gear 45 is fixedly connected to the transmission tube 44; A rotating assembly 6 connected to the bearing housing 11, the rotating assembly 6 comprising a U-shaped frame 63 and a pipe sleeve 64, the U-shaped frame 63 is fixedly connected to the pipe sleeve 64, the transmission pipe 44 and the pipe sleeve 64 are coaxially connected to the inner wall of the bearing housing 11, and the transmission pipe 44 and the pipe sleeve 64 are both transmission-connected to the driving module 3; The position adjustment component 5 includes a rotating tube 51, a suction plate 52, a second bevel gear 53 and a vacuum pump module 54. The suction plate 52 and the second bevel gear 53 are both fixedly connected to the rotating tube 51. The rotating tube 51 is connected to the surface of the yoke 63. The first bevel gear 45 is in driving connection with the second bevel gear 53. The vacuum pump module 54 is in communication with the suction plate 52. A material guiding housing 13 and a material taking housing 15 are arranged between the bearing housing 11 and the gantry frame 12; The material feeding part 7 is located in the material guiding housing 13 .

[0032] See also Figure 4 and Figure 7 Furthermore, the first transmission assembly 4 also includes a first worm 41, a first spur gear 42 and a first worm wheel 43. The first spur gear 42 and the first worm wheel 43 are fixedly connected to the first worm 41 and the transmission tube 44 respectively. The first worm wheel 43 is transmission-connected to the first worm 41. The first worm 41 is connected to the surface of the bearing shell 11. One side of the driving module 3 is transmission-connected to the first spur gear 42.

[0033] See also Figure 5 and Figure 7, Further, the position adjustment assembly 5 further includes a first elbow pipe 55 and a second elbow pipe 56. One end of the first elbow pipe 55 is fixedly connected to the vacuum pump module 54. Both ends of the second elbow pipe 56 are respectively rotatably connected to the second helical gear 53 and the first elbow pipe 55. Both the first elbow pipe 55 and the second elbow pipe 56 penetrate through the transmission pipe 44. The second elbow pipe 56 is connected to the C-shaped frame 63. The rotating pipe 51, the suction cup 52 and the second elbow pipe 56 are communicated with each other.

[0034] Please refer to Figure 6 and Figure 7 , Further, the rotating assembly 6 includes a second worm 61, a second spur gear 62 and a second worm gear 65. The second spur gear 62 and the second worm gear 65 are respectively fixedly connected to the second worm 61 and the pipe sleeve 64. The second worm 61 is in transmission connection with the second worm gear 65. The other side of the drive module 3 is in transmission connection with the second spur gear 62.

[0035] Please refer to Figure 3 , Figure 7 and Fig.12 , Further, the drive module 3 includes a drive part 31, a drive gear 32 and an adjustment part 33. The drive part 31 includes a drive motor 311, a drive rod 312, a limit end cap 313 and a key bar 314. The drive motor 311 is connected to the drive rod 312. The drive gear 32 is movably sleeved on the surface of the drive rod 312. A limit end cap 313 is arranged at the end of the drive rod 312. Key grooves and a key bar 314 are respectively arranged on the surfaces of the drive gear 32 and the drive rod 312. The key bar 314 is slidably connected with the key groove. Both the first spur gear 42 and the second spur gear 62 are in transmission connection with the drive gear 32.

[0036] Please refer to Figure 3 and Fig.12 , Further, the adjustment part 33 includes a bracket 331, an electromagnet 332 and a return spring 333. Both the drive motor 311 and the bracket 331 are fixedly connected to the bearing housing 11. Magnetic rings 321 and an electromagnet 332 are respectively embedded on the surfaces of the drive gear 32 and the bracket 331. The return spring 333 is connected between the drive gear 32 and the bracket 331.

[0037] In the embodiment of the present invention, when the energized electromagnet 332 is adsorbed and attached to the magnetic ring 321, the second spur gear 62 is in transmission connection with the drive gear 32. After the electromagnet 332 is powered off, the return spring 333 drives the drive gear 32 to be attached to the limit end cap 313, and the first spur gear 42 is in transmission connection with the drive gear 32. Angle sensors are installed on the surfaces of the rotating pipe 51 and the pipe sleeve 64 for real-time monitoring of the rotation angle. The control display is communicatively connected with the angle sensors.

[0038] Please refer to Figure 8 and Fig.10 In one embodiment of the present invention, a loading shell 14 is arranged above the material guiding shell 13, a box frame 9 is placed inside the loading shell 14, a material guiding port 141 is arranged between the material guiding shell 13 and the loading shell 14, and the bottom of the loading shell 14 is inclined downward toward the material guiding port 141.

[0039] See also Figure 8 and Fig.10 Furthermore, the feeding part 7 includes a telescopic part 71 and a Z-shaped plate 72, the telescopic part 71 is fixedly connected to the inner wall of the material guide shell 13, the Z-shaped plate 72 is fixedly connected to the telescopic part 71, the bottom of the box frame 9 is in contact with the Z-shaped plate 72, and the bottom top and side walls of the box frame 9 are in sliding contact with the inner wall of the material guide shell 13.

[0040] In an embodiment of the present invention, the telescopic member 71 is an electric telescopic rod, and the length of the horizontal plate above the Z-shaped plate 72 is greater than the length of the horizontal plate below. In this way, when the telescopic member 71 is used to control the Z-shaped plate 72 and the box rack 9 to move toward the adsorption plate 52, the upper part of the Z-shaped plate 72 can seal the material guide port 141, thereby preventing the box rack 9 in the loading shell 14 from continuing to fall.

[0041] Working principle: S100, in the initial state, the Z-shaped frame 63 is in a horizontal position, and the adsorption surface of the adsorption disk 52 is facing the discharge port of the material guide shell 13. First, the telescopic member 71 is used to control the Z-shaped plate 72 and the box frame 9 to move toward the adsorption disk 52. During this process, on the one hand, the upper side of the Z-shaped plate 72 can seal the material guide port 141, thereby preventing the box frame 9 in the feeding shell 14 from continuing to fall. On the other hand, the limiting effect of the inner wall of the material guide shell 13 and the lower side of the Z-shaped plate 72 on the box frame 9 can prevent the box frame 9 from being displaced when the back side of the box frame 9 contacts the adsorption disk 52. Then, the vacuum pump module 54 fixes the box frame 9 through the first bend, the second bend pipe 56, the rotating tube 51 and the adsorption disk 52. Then, the telescopic member 71 controls the Z-shaped plate 72 to reset horizontally. At this time, the box frame 9 sliding along the bottom of the feeding shell 14 enters the surface of the Z-shaped plate 72 from the material guide port 141. S200, then weld the joint seam above the box frame 9 or the upper cover plate by adjusting the position of the welding module 2, and then control the electromagnet 332 to be powered off. After the electromagnet 332 is powered off, the elastic force of the return spring 333 drives the driving gear 32 to fit with the limiting end cover 313, and the first spur gear 42 is connected to the driving gear 32 by transmission. Therefore, when the driving motor 311 controls the driving gear 32 to rotate through the driving rod 312, the rotating driving gear 32 controls the adsorption plate 52 and the box frame 9 to rotate 180 degrees with the rotating tube 51 as the axis through the first spur gear 42, the first worm 41, the first worm gear 43, the transmission tube 44, the first bevel gear 45 and the second bevel gear 53, so that the lower cover plate of the box frame 9 is located at the top, so as to facilitate the welding module 2 to weld the joint seam of the upper cover plate; S300, when it is necessary to weld the diagonal joint seam of the front side of the box frame 9, the control electromagnet 332 is energized. Since the electromagnet 332 after being energized is adsorbed and fitted with the magnetic ring 321, the second spur gear 62 is connected to the driving gear 32 in transmission. Therefore, when the driving motor 311 controls the driving gear 32 to rotate through the driving rod 312, the rotating driving gear 32 is connected through the second spur gear 62, the second worm 61, the second worm wheel 65, the yoke 63, the adsorption plate 52 and the pipe sleeve 64 or the transmission pipe 44. The axis rotates 90 degrees clockwise, and the box frame 9 is now in a horizontal state with its front side facing upward. The method of step S300 is used to control the box frame 9 and the adsorption plate 52 to rotate horizontally with the rotating tube 51 as the axis, so as to facilitate the welding module 2 to weld the diagonal joints on the front side of the box frame 9. It should be noted that when it is necessary to weld limiting ribs or power racks to the inner wall of the box frame 9, the inclination angle of the box frame 9 and the adsorption plate 52 can also be adjusted with the transmission tube 44 as the axis according to the specific welding angle to achieve the best welding effect.

[0042] S400. After welding is completed, the method of step S300 is used to continue to rotate 90 degrees clockwise with the pipe sleeve 64 or the transmission pipe 44 as the axis, so that the box frame 9 is located above the material removal shell 15. After the box frame 9 is loosened by the vacuum pump module 54 through the first bend, the second bend pipe 56, the rotating pipe 51 and the adsorption plate 52, the box frame 9 automatically falls into the material removal shell 15, thereby facilitating the staff to take away the box frame 9.

[0043] In summary, the present application utilizes a structural design in which the drive module 3, the first transmission component 4, the rotating component 6, the position adjustment group, the feeding part 7, the material guide shell 13 and the material picking shell 15 cooperate with each other. By rotating with the rotating tube 51 and the transmission tube 44 as the axis, on the one hand, it can automatically load and unload materials, and on the other hand, it can automatically weld the diagonal joints on the front side of the box frame 9, the joints between the upper cover and the lower cover, and the welding limit ribs or the power frame on the inner wall of the box frame 9, and has the characteristics of automatic loading and unloading and easy adjustment of welding angles and welding positions.

[0044] For those skilled in the art, although several embodiments and examples of the present invention are described, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in various other ways, and various omissions, substitutions, and changes can be made without departing from the scope of the subject matter of the invention. These embodiments and their variations are included in the scope and subject matter of the invention, and are included in the invention described in the claims and the scope of their equivalents.

[0045] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A distribution box welding device for power supply, comprising a bearing mechanism (1), a welding module (2) and a control display (8), wherein the bearing mechanism (1) comprises a bearing shell (11) and a gantry frame (12), the gantry frame (12) is fixedly connected to the bearing shell (11), the welding module (2) and the control display (8) are both connected to the gantry frame (12), characterized in that: Further comprising: A drive module (3) located within the carrier housing (11); A first transmission assembly (4) connected to the carrier housing (11), the first transmission assembly (4) comprising a transmission tube (44) and a first helical gear (45), the first helical gear (45) being fixedly connected to the transmission tube (44); A rotating assembly (6) connected to the carrier housing (11), the rotating assembly (6) comprising a C-shaped frame (63) and a tube sleeve (64), the C-shaped frame (63) being fixedly connected to the tube sleeve (64), the transmission tube (44) and the tube sleeve (64) being coaxially connected to the inner wall of the carrier housing (11), and the transmission tube (44) and the tube sleeve (64) both being in transmission connection with the drive module (3); A position adjustment assembly (5), the position adjustment assembly (5) comprising a rotating tube (51), a suction cup (52), a second helical gear (53) and a vacuum pump module (54), the suction cup (52) and the second helical gear (53) both being fixedly connected to the rotating tube (51), the rotating tube (51) being connected to the surface of the C-shaped frame (63), the first helical gear (45) being in transmission connection with the second helical gear (53), and the vacuum pump module (54) being in communication with the suction cup (52); A material guiding housing (13) and a material taking housing (15) provided between the carrier housing (11) and the gantry frame (12); A feeding section (7) located within the material guiding housing (13).

2. A distribution box welding device for power supply according to claim 1, characterized in that: The first transmission assembly (4) further comprises a first worm (41), a first spur gear (42) and a first worm gear (43), the first spur gear (42) and the first worm gear (43) being fixedly connected to the first worm (41) and the transmission tube (44) respectively, the first worm gear (43) being in transmission connection with the first worm (41), the first worm (41) being connected to the surface of the carrier housing (11), and one side of the drive module (3) being in transmission connection with the first spur gear (42).

3. A distribution box welding device for power supply according to claim 2, characterized in that: The position adjustment assembly (5) further comprises a first elbow pipe (55) and a second elbow pipe (56), one end of the first elbow pipe (55) being fixedly connected to the vacuum pump module (54), both ends of the second elbow pipe (56) being rotatably connected to the second helical gear (53) and the first elbow pipe (55) respectively, the first elbow pipe (55) and the second elbow pipe (56) both passing through the transmission tube (44), the second elbow pipe (56) being connected to the C-shaped frame (63), and the rotating tube (51), the suction cup (52) and the second elbow pipe (56) being in communication.

4. A distribution box welding device for power supply according to claim 3, characterized in that: The rotating assembly (6) comprises a second worm (61), a second spur gear (62) and a second worm gear (65), the second spur gear (62) and the second worm gear (65) being fixedly connected to the second worm (61) and the tube sleeve (64) respectively, the second worm (61) being in transmission connection with the second worm gear (65), and the other side of the drive module (3) being in transmission connection with the second spur gear (62).

5. A distribution box welding device for power supply according to claim 1, characterized in that: A loading shell (14) is arranged above the material guiding shell (13), a box frame (9) is placed inside the loading shell (14), a material guiding port (141) is arranged between the material guiding shell (13) and the loading shell (14), and the bottom of the loading shell (14) is inclined downwardly toward the material guiding port (141).

6. A distribution box welding device for power supply according to claim 5, characterized in that: The feeding part (7) comprises a telescopic member (71) and a Z-shaped plate (72); the telescopic member (71) is fixedly connected to the inner wall of the material guide shell (13); the Z-shaped plate (72) is fixedly connected to the telescopic member (71); the bottom of the box frame (9) is in contact with the Z-shaped plate (72); the bottom top and side walls of the box frame (9) are in sliding contact with the inner wall of the material guide shell (13).

7. A distribution box welding device for power supply according to claim 4, characterized in that: The driving module (3) comprises a driving part (31), a driving gear (32) and an adjusting part (33); the driving part (31) comprises a driving motor (311), a driving rod (312), a limiting end cover (313) and a key bar (314); the driving motor (311) is connected to the driving rod (312); the driving gear (32) is movably sleeved on the surface of the driving rod (312); the end of the driving rod (312) is provided with a limiting end cover (313); the surfaces of the driving gear (32) and the driving rod (312) are respectively provided with a key groove and a key bar (314); the key bar (314) is slidably connected to the key groove; the first spur gear (42) and the second spur gear (62) are both drivingly connected to the driving gear (32).

8. A distribution box welding device for power supply according to claim 7, characterized in that: The regulating part (33) comprises a bracket (331), an electromagnet (332) and a return spring (333); the driving motor (311) and the bracket (331) are both fixedly connected to the bearing shell (11); the surfaces of the driving gear (32) and the bracket (331) are respectively inlaid with a magnetic ring (321) and an electromagnet (332); and the return spring (333) is connected between the driving gear (32) and the bracket (331).

9. A distribution box welding device for power supply according to claim 8, characterized in that: When the electromagnet (332) is energized and is adsorbed and fitted with the magnetic ring (321), the second spur gear (62) is transmission-connected with the driving gear (32); when the electromagnet (332) is powered off, the return spring (333) drives the driving gear (32) to fit with the limiting end cover (313), and the first spur gear (42) is transmission-connected with the driving gear (32).

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