A welding device for the distribution box body used for power supply

Abstract

The present invention relates to the technical field of distribution box processing, and provides a welding device for a distribution box body for power supply, which includes a carrying mechanism, a driving module, a first transmission component, a rotating component, a position adjustment component, a feeding part, a material guiding housing, a material taking housing and a welding module. The first transmission component includes a transmission pipe and a first helical gear. The rotating component includes a C-shaped frame and a pipe sleeve. Both the transmission pipe and the pipe sleeve are in transmission connection with the driving module. The position adjustment component includes a rotating pipe, a suction cup, a second helical gear and a vacuum pump module. The first helical gear is in transmission connection with the second helical gear. The vacuum pump module is communicated with the suction cup. By rotating around the axes of the rotating pipe and the transmission pipe respectively, on the one hand, it can automatically load and unload materials, and on the other hand, it can automatically weld the diagonal splicing seams on the front side of the box frame, the splicing seams of the upper cover plate and the lower cover plate, and the limiting ribs or power racks on the inner wall of the box frame, featuring automatic loading and unloading, convenient adjustment of welding angles and welding positions.

Description

Technical Field

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

[0002] A distribution box is usually a small electrical equipment box used to distribute power to each circuit. It generally includes a circuit breaker, a fuse, a terminal block, etc., and is mainly used for low-voltage power distribution and control. When welding the outer box body of the distribution box, generally, the plate is first bent, and then the upper cover plate and the lower cover plate are pre-installed at both ends of the bent plate to form a frame. Finally, a welding device welds the diagonal joints on the front side of the box frame, the joints of the upper cover plate and the lower cover plate, and the limiting ribs or power racks on the inner wall of the box frame.

[0003] After retrieval, the existing patent number CN116532858B discloses an automatic welding device for the production of a distribution box, including a base, a bracket and a welding torch. The bracket is installed on the top of the base, and the welding torch is arranged inside the bracket. It also includes a first adjustment mechanism, which includes a conical table and a Geneva mechanism for driving the segmented rotation of the conical table; a positioning mechanism, which is arranged above the conical table and is used to fix the distribution box; a lifting mechanism, which is connected to the conical table and is used to drive the conical table to lift; a second adjustment mechanism, which is connected to the welding torch and is used to drive the welding torch to move up and down; a driving mechanism, which is installed inside the base and is used to drive the Geneva mechanism, the lifting mechanism and the second adjustment mechanism to operate respectively. This automatic welding device for the production of a distribution box realizes the automatic fixation of the components of the distribution box and can automatically calibrate the components of the distribution box, avoiding the problem of unstable welding of the components of the distribution box and ensuring the flatness of the welding of the distribution box.

[0004] The above-mentioned disclosed welding device for the distribution box still has the following defects: on the one hand, it cannot automatically load the pre-installed frame, and on the other hand, it cannot automatically weld the diagonal joints on the front side of the box frame, the joints of the upper cover plate and the lower cover plate, and the limiting ribs or power racks on the inner wall of the box frame. Summary of the Invention

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

[0006] To achieve the above purpose, the present invention provides the following technical solution: a welding device for a distribution box body for power supply, including a loading mechanism, a welding module and a control display. The loading mechanism includes a loading housing and a gantry frame, the gantry frame is fixedly connected to the loading housing, and both the welding module and the control display are connected to the gantry frame. It further includes:

[0007] A driving module located inside the loading housing;

[0008] A first transmission assembly connected to the bearing housing, the first transmission assembly including a transmission tube and a first helical gear, the first helical gear being fixedly connected to the transmission tube;

[0009] A rotating assembly connected to the bearing housing, the rotating assembly including a C-shaped frame and a tube sleeve, the C-shaped frame being fixedly connected to the tube sleeve, the transmission tube and the tube sleeve being coaxially connected to the inner wall of the bearing housing, and the transmission tube and the tube sleeve both being in transmission connection with a drive module;

[0010] A position adjustment assembly, the position adjustment assembly including a rotating tube, a suction disc, a second helical gear, and a vacuum pump module, the suction disc and the second helical gear both being fixedly connected to the rotating tube, the rotating tube being connected to the surface of the C-shaped frame, the first helical gear being in transmission connection with the second helical gear, and the vacuum pump module being in communication with the suction disc;

[0011] A material guiding housing and a material taking housing provided between the bearing housing and the gantry frame;

[0012] A material feeding part located inside the material guiding housing.

[0013] As a further aspect of the present invention, the first transmission assembly further includes a first worm, a first spur gear, and a first worm gear, the first spur gear and the first worm gear being fixedly connected to the first worm and the transmission tube respectively, the first worm gear being in transmission connection with the first worm, the first worm being connected to the surface of the bearing housing, and one side of the drive module being in transmission connection with the first spur gear.

[0014] As a further aspect of the present invention, the position adjustment assembly further includes a first elbow pipe and a second elbow pipe, one end of the first elbow pipe being fixedly connected to the vacuum pump module, both ends of the second elbow pipe being rotatably connected to the second helical gear and the first elbow pipe respectively, the first elbow pipe and the second elbow pipe both passing through the transmission tube, the second elbow pipe being connected to the C-shaped frame, and the rotating tube, the suction disc, and the second elbow pipe being in communication.

[0015] As a further aspect of the present invention, the rotating assembly includes a second worm, a second spur gear, and a second worm gear, the second spur gear and the second worm gear being fixedly connected to the second worm and the tube sleeve respectively, the second worm gear being in transmission connection with the second worm, and the other side of the drive module being in transmission connection with the second spur gear.

[0016] As a further aspect of the present invention, a feeding housing is provided above the material guiding housing, a box rack is placed inside the feeding housing, a material guiding port is provided between the material guiding housing and the feeding housing, and the bottom of the feeding housing slopes obliquely downward towards the material guiding port.

[0017] As a further solution of the present invention, the feeding part includes a telescopic member and a Z-shaped plate. The telescopic member is fixedly connected to the inner wall of the material guiding housing, the Z-shaped plate is fixedly connected to the telescopic member, the bottom of the box frame contacts 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 guiding housing.

[0018] 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, a limiting end cover is arranged at the end of the driving rod, key grooves and key strips are respectively arranged on the surfaces of the driving gear and the driving rod, the key strip is in sliding connection with the key groove, and both the first straight gear and the second straight gear are in transmission connection with the driving gear.

[0019] As a further solution of the present invention, the adjusting part includes a bracket, an electromagnet and a return spring. The driving motor and the bracket are both fixedly connected to the bearing housing. A magnetic ring and an electromagnet are respectively inlaid on the surfaces of the driving gear and the bracket. The return spring is connected between the driving gear and the bracket.

[0020] As a further solution of the present invention, when the energized electromagnet is adsorbed and attached to the magnetic ring, the second straight gear is in transmission connection with the driving gear. After the electromagnet is powered off, the return spring drives the driving gear to be attached to the limiting end cover, and the first straight gear is in transmission connection with the driving gear.

[0021] The beneficial effects of the present invention are as follows: By rotating around the axes of the rotating tube and the transmission tube respectively, on the one hand, it can automatically load and unload materials, and on the other hand, it can automatically weld the diagonal splicing seams on the front side of the box frame, the splicing seams of the upper cover plate and the lower cover plate, and the limiting ribs or power racks on the inner wall of the box frame, featuring automatic loading and unloading, convenient adjustment of welding angles and welding positions. Description of the Drawings

[0022] Figure 1 is a perspective view of the present invention.

[0023] Figure 2 is an exploded view of the present invention.

[0024] Figure 3 is an exploded view of the driving module of the embodiment of the present invention.

[0025] Figure 4 is a perspective view of the first transmission assembly of the embodiment of the present invention.

[0026] Figure 5 is a perspective view of the position adjusting assembly of the embodiment of the present invention.

[0027] Figure 6 is a perspective view of the rotating assembly of the embodiment of the present invention.

[0028] Figure 7 This is the assembly drawing of the driving module, the first transmission component, the position adjustment component and the rotating component in the embodiment of the present invention.

[0029] Figure 8 This is the perspective view of the bearing mechanism in the embodiment of the present invention.

[0030] Figure 9 This is the first plane schematic diagram of the present invention.

[0031] Figure 10 This is the second plane schematic diagram of the present invention.

[0032] Figure 11 This is the third plane schematic diagram of the present invention.

[0033] Figure 12 This is the present invention Figure 7 The partial enlarged view at position a in.

[0034] Reference numerals: 1 - bearing mechanism, 11 - bearing housing, 12 - gantry frame, 13 - material guiding housing, 14 - feeding housing, 141 - material guiding port, 15 - material taking housing;

[0035] 2 - welding module;

[0036] 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 - return spring;

[0037] 4 - first transmission component, 41 - first worm, 42 - first spur gear, 43 - first worm wheel, 44 - transmission pipe, 45 - first helical gear;

[0038] 5 - position adjustment component, 51 - rotating pipe, 52 - suction cup, 53 - second helical gear, 54 - vacuum pump module, 55 - first elbow pipe, 56 - second elbow pipe;

[0039] 6 - rotating component, 61 - second worm, 62 - second spur gear, 63 - C-shaped frame, 64 - pipe sleeve, 65 - second worm wheel;

[0040] 7 - feeding part, 71 - telescopic part, 72 - Z-shaped plate, 8 - control display, 9 - box frame. Detailed implementation manners

[0041] 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.

[0042] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0043] See also Figures 1 to 12 In 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:

[0044] A driving module 3 located in the carrying housing 11;

[0045] 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;

[0046] 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;

[0047] 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.

[0048] A material guiding housing 13 and a material taking housing 15 are arranged between the bearing housing 11 and the gantry frame 12;

[0049] The material feeding part 7 is located in the material guiding housing 13 .

[0050] See also Figure 4 and Figure 7, Further, the first transmission assembly 4 further includes 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 are respectively fixedly connected to the first worm 41 and the transmission pipe 44. The first worm gear 43 is in transmission connection with the first worm 41. The first worm 41 is connected to the surface of the bearing housing 11. One side of the drive module 3 is in transmission connection with the first spur gear 42.

[0051] Please refer to 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.

[0052] 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.

[0053] Please refer to Figure 3 , Figure 7 and Figure 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 provided at the end of the drive rod 312. Key grooves and a key bar 314 are respectively provided on the surfaces of the drive gear 32 and the drive rod 312. The key bar 314 is slidably connected to the key groove. Both the first spur gear 42 and the second spur gear 62 are in transmission connection with the drive gear 32.

[0054] Please refer to Figure 3 and Figure 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 inlaid 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.

[0055] In an 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 driving gear 32. After the electromagnet 332 is powered off, the return spring 333 drives the driving gear 32 to be attached to the limit end cover 313, and the first spur gear 42 is in transmission connection with the driving gear 32. Angle sensors are installed on the surfaces of the rotating tube 51 and the tube sleeve 64 for real-time monitoring of the rotation angle, and the control display is in communication connection with the angle sensors.

[0056] Please refer to Figure 8 and Figure 10 In an embodiment of the present invention, a feeding housing 14 is provided above the feeding guide housing 13. A box rack 9 is placed inside the feeding housing 14. A feeding guide opening 141 is provided between the feeding guide housing 13 and the feeding housing 14. The bottom of the feeding housing 14 slopes downward obliquely towards the feeding guide opening 141.

[0057] Please refer to Figure 8 and Figure 10 Furthermore, the feeding part 7 includes a telescopic member 71 and a Z-shaped plate 72. The telescopic member 71 is fixedly connected to the inner wall of the feeding guide housing 13. The Z-shaped plate 72 is fixedly connected to the telescopic member 71. The bottom of the box rack 9 contacts the Z-shaped plate 72. The bottom, top and side walls of the box rack 9 are in sliding contact with the inner wall of the feeding guide housing 13.

[0058] In an embodiment of the present invention, the telescopic member 71 is an electric telescopic rod. 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 towards the suction disc 52, the upper part of the Z-shaped plate 72 can seal the feeding guide opening 141, thereby preventing the box rack 9 in the feeding housing 14 from continuing to fall.

[0059] Working principle: S100. In the initial state, the C-shaped frame 63 is in a horizontal position, and the suction surface of the suction disc 52 faces the discharge port of the feeding guide housing 13. First, the telescopic member 71 is used to control the Z-shaped plate 72 and the box rack 9 to move towards the suction disc 52. During this process, on the one hand, the upper part of the Z-shaped plate 72 can seal the feeding guide opening 141, thereby preventing the box rack 9 in the feeding housing 14 from continuing to fall. On the other hand, the limiting effect of the inner wall of the feeding guide housing 13 and the lower part of the Z-shaped plate 72 on the box rack 9 can prevent the box rack 9 from shifting in position when the back of the box rack 9 contacts the suction disc 52. Then, the vacuum pump module 54 fixes the box rack 9 through the first elbow, the second elbow pipe 56, the rotating tube 51 and the suction disc 52. Next, the telescopic member 71 controls the Z-shaped plate 72 to return to the horizontal position. At this time, the box rack 9 sliding along the bottom of the feeding housing 14 enters the surface of the Z-shaped plate 72 from the feeding guide opening 141;

[0060] 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;

[0061] 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.

[0062] 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.

[0063] 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.

[0064] 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 gist of the invention. These embodiments and their variations are included in the scope and gist of the invention, and are included in the scope of the invention described in the claims and its equivalents.

[0065] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A welding device for a distribution box body used for power supply, comprising a carrying mechanism (1), a welding module (2) and a control display (8). The carrying mechanism (1) includes a carrying housing (11) and a gantry frame (12). The gantry frame (12) is fixedly connected to the carrying housing (11). The welding module (2) and the control display (8) are both connected to the gantry frame (12). It is characterized in that, It further includes: 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) including 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) including 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) including 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 part (7) located within the material guiding housing (13); The first transmission assembly (4) further includes 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); 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) 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; 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) 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).

2. The welding device for the power distribution box body used for power supply according to claim 1, characterized in that, Above the material guiding housing (13), a feeding housing (14) is provided. Inside the feeding housing (14), a box rack (9) is placed. A material guiding port (141) is provided between the material guiding housing (13) and the feeding housing (14). The bottom of the feeding housing (14) slopes downward obliquely towards the material guiding port (141).

3. The welding device for the distribution box body used for power supply according to claim 2, wherein, The feeding part (7) includes a telescopic member (71) and a Z-shaped plate (72). The telescopic member (71) is fixedly connected to the inner wall of the material guiding housing (13). The Z-shaped plate (72) is fixedly connected to the telescopic member (71). The bottom of the box rack (9) contacts the Z-shaped plate (72). The top and side walls of the bottom of the box rack (9) are in sliding contact with the inner wall of the material guiding housing (13).

4. A welding device for a power distribution box body used for power supply according to claim 3, characterized in that, The driving module (3) includes a driving part (31), a driving gear (32) and an adjusting part (33). The driving part (31) includes a driving motor (311), a driving rod (312), a limiting end cover (313) and a key strip (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). A limiting end cover (313) is provided at the end of the driving rod (312). Key grooves and a key strip (314) are respectively provided on the surfaces of the driving gear (32) and the driving rod (312). The key strip (314) is in sliding connection with the key groove. Both the first straight gear (42) and the second straight gear (62) are in transmission connection with the driving gear (32).

5. A welding device for a power distribution box body used for power supply according to claim 4, characterized in that, The adjusting part (33) includes a bracket (331), an electromagnet (332) and a return spring (333). Both the driving 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 driving gear (32) and the bracket (331). The return spring (333) is connected between the driving gear (32) and the bracket (331).

6. The welding device for the distribution box body used for power supply according to claim 5, characterized in that, When the energized electromagnet (332) is adsorbed and fitted to the magnetic ring (321), the second straight gear (62) is in transmission connection with the driving gear (32). After 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 straight gear (42) is in transmission connection with the driving gear (32).

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