Welding device and welding process for distribution box

Abstract

The invention belongs to the field of distribution box welding equipment, and discloses a welding device and process for a distribution box, the welding device comprises a support and a plate which are symmetrically arranged, a welding assembly is fixedly arranged above the support, and a polishing assembly is fixedly arranged on one side of the lower portion of the support; according to the welding device for the distribution box and the welding technology of the welding device, by integrating the welding function and the polishing function, the production efficiency and the welding quality are improved, manual intervention is reduced, and meanwhile the welding device can adapt to distribution boxes of different specifications.

Description

Technical Field

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

[0002] In the manufacturing process of distribution boxes, welding and grinding are two key processes. Traditional welding and grinding equipment usually need to be carried out separately, which is complicated to operate and has low efficiency.

[0003] Specifically, the traditional process has the following problems: 1. Welding equipment and grinding equipment are usually independent devices, and workpieces need to be transferred between different devices, which increases the switching time and manual intervention of the production process, resulting in low production efficiency.

[0004] 2. After welding is completed, the workpiece needs to wait for a while before grinding, which may cause cracks or other defects in the welding interface after cooling, affecting the welding quality.

[0005] 3. Most traditional equipment relies on manual operation, the accuracy of welding and grinding is difficult to guarantee, and manual operation is easily affected by factors such as fatigue, which further reduces production efficiency and product quality.

[0006] 4. Traditional welding equipment can usually only adapt to workpieces of specific specifications. For distribution boxes of different sizes and shapes, it is necessary to frequently replace fixtures or adjust equipment, which increases the complexity and time cost of operation.

[0007] Therefore, developing a device that can integrate welding and grinding functions, improve production efficiency and welding quality, reduce manual intervention, and adapt to distribution boxes of different specifications is a technical problem that needs to be urgently solved in this field. Summary of the invention

[0008] The present invention aims to provide a welding device for a distribution box and a welding process thereof, which improves production efficiency and welding quality, reduces manual intervention, and can adapt to distribution boxes of different specifications by integrating welding and grinding functions.

[0009] In order to achieve the above object, the present invention provides the following technical solutions: The technical solution provided by the present invention is: a welding device for a distribution box, comprising a bracket and a plate arranged symmetrically, a welding assembly is fixedly arranged above the bracket, and a grinding assembly is fixedly arranged on one side below the bracket; The welding assembly includes a rotating device fixedly installed above the bracket, a supporting plate is fixedly provided at one end of the rotating device, a clamping device is fixedly provided at one side of the supporting plate, a reinforcing rod is fixedly provided at one side of the clamping device, a placing plate is fixedly provided at one side of the reinforcing rod, an adjusting device is fixedly provided at one side of the placing plate, and welding devices are symmetrically provided at both ends of the adjusting device; The grinding assembly includes a support plate fixedly installed on one side below the bracket, a clamping device fixedly arranged above the support plate, a reinforcing rod fixedly arranged above the clamping device, a placement plate fixedly arranged above the reinforcing rod, and a grinding device fixedly arranged above the placement plate.

[0010] Furthermore, the rotating device includes a rotating motor fixedly mounted above the bracket, and an output shaft is adapted to be provided at the output end of the rotating motor.

[0011] Furthermore, both ends of the support plate are fixedly connected to the output shaft, and a plurality of support grooves are symmetrically provided on the surface of one side of the support plate.

[0012] Furthermore, the clamping device includes a clamping plate fixedly mounted on one side of the support plate, a clamping positioning plate is symmetrically arranged on one side of the clamping plate, a clamping telescopic rod is fixedly arranged on one side of the clamping positioning plate, a telescopic motor is fixedly arranged at one end of the clamping telescopic rod, a limit plate is fixedly arranged on one side of the telescopic motor, and the limit plate is movably adapted to the support groove; The clamping device also includes a fixed block fixedly mounted on one side of the clamping plate, fixed telescopic rods are symmetrically arranged at both ends of the fixed block, and a telescopic motor is also arranged at one end of the fixed telescopic rod; The clamping device also includes a clamping slide rail fixedly installed on one side of the telescopic motor, a main clamping plate is fixedly provided on one side of the clamping slide rail, a clamping motor is fixedly provided at one end of the clamping slide rail, a clamping threaded rod is adapted to be provided at the output end of the clamping motor, and a slave clamping plate is adapted to be provided on the surface thread of the clamping threaded rod.

[0013] Furthermore, the adjustment device includes an adjustment rail fixedly installed on one side of the placement plate, an adjustment groove is opened in the adjustment rail, an adjustment motor is fixedly arranged in the middle of the inner wall of the adjustment groove, the output ends of the adjustment motors are adapted with adjustment threaded rods, the surfaces of the adjustment threaded rods are threadedly adapted with adjustment slides, a T-shaped plate is fixedly arranged on one side of the adjustment slide, and adjustment telescopic rods are symmetrically arranged at both ends of the T-shaped plate.

[0014] Furthermore, the welding device includes a welding slide rail fixedly installed on one end of the adjustable telescopic rod, a welding motor is fixedly provided at one end of the welding slide rail, a welding threaded rod is adapted to be provided at the output end of the welding motor, a welding slide plate is adapted to be provided with a threaded connection on the surface of the welding threaded rod, a welding gun is fixedly provided on one side of the welding slide plate, and a welding machine is fixedly provided on one side of the welding slide rail.

[0015] Furthermore, the grinding device includes a movable slide rail fixedly installed above the placing plate, a movable motor is fixedly provided in the middle of the movable slide rail, the output ends of the movable motors are adapted to be provided with movable threaded rods, the surface threads of the movable threaded rods are adapted to be provided with movable slide plates, a movable plate is fixedly provided above the movable slide plate, a movable support plate is fixedly provided above one end of the movable plate, movable telescopic rods are fixedly provided at both ends of the movable support plate, a grinding plate is fixedly provided at one end of the mobile telescopic rod, a grinding motor is fixedly provided above the grinding plate, and a grinding rod is adapted to be provided at the output end of the grinding motor.

[0016] Furthermore, a welding process for a welding device for a distribution box comprises the following steps: S1: Place the plate between the slave plate and the main plate of the clamping device, use the control device to control the operation of the clamping motor, and the output end of the clamping motor drives the slave plate to move along the clamping slide rail through the clamping threaded rod, thereby fixing the plate; S2: After the fixation is completed, the control device is used to control the telescopic motor to operate, and the telescopic motor drives the clamping telescopic rod to extend and retract, so that the edges and corners of the plate are aligned; S3: Use the control device to control the operation of the adjustment device, the adjustment motor drives the T-shaped plate to move in the adjustment slide rail through the adjustment threaded rod, so that one end of the T-shaped plate contacts the inner wall of the plate, use the control device to control the telescopic rod to extend and retract, the adjustment telescopic rod drives the welding device to move, so that the welding device reaches the welding position, use the control device to control the operation of the welding machine, the welding gun welds the inner wall of the corner contacting the plate, during the welding process, the control device controls the operation of the welding motor, the welding motor drives the welding slide plate to move along the welding slide rail through the welding threaded rod, so as to realize the continuous welding of the corner of the plate by the welding gun, and the adjustment device drives the welding device to reset; S4: Use the control device to control the operation of the rotating device, and the rotating motor drives the supporting plate to rotate through the output shaft; S5: After welding is completed, the rotation angle is strictly controlled by the angle sensor so that the welded plate faces the grinding device; S6: After the rotation, the plate is fixed by the clamping plate, so that the plate falls into the clamping device in the grinding assembly. The clamping device in the grinding assembly clamps and fixes the plate by the same clamping principle. The control device is used to control the movement of the moving motor. The moving motor drives the moving slide plate to move on the moving slide rail by moving the threaded rod, so that the grinding rod contacts the edge of the plate after welding. The control device is used to control the operation of the grinding motor. The grinding motor drives the grinding rod to rotate through the output end to grind the edge of the plate to increase the quality of the welding result.

[0017] The beneficial effects of this technical solution are: (1) It is capable of welding and fixing distribution boxes of different sizes. Through the flexible design of the clamping device and the precise positioning of the adjustment device, the device can adapt to distribution boxes of various sizes and shapes without the need to frequently replace the clamps or adjust the equipment, which greatly improves the production efficiency and versatility of the equipment.

[0018] (2) The welded interface can be polished immediately after welding is completed, and welding and polishing can be performed at the same time, increasing the diversity of the device. The integrated welding and polishing design reduces the space occupied by the equipment, avoids the time waste of switching between welding and polishing equipment in traditional processes, and improves the continuity and overall efficiency of the production process.

[0019] (3) Automated operation is achieved through the control device, which reduces manual intervention and improves production efficiency. The welding, grinding, rotation and other operations of this device can be automatically completed through the control device, avoiding the errors and fatigue problems of manual operation and improving the accuracy and consistency of welding and grinding.

[0020] (4) The edges and corners after welding are polished by the polishing device to improve the welding quality and increase the aesthetics and reliability of the finished product. The polishing operation can promptly remove the welding slag, spatter and uneven welds generated during the welding process, making the welding interface smoother and flatter, enhancing the appearance quality of the distribution box, and also helping to improve the mechanical properties and corrosion resistance of the welding interface. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is one of the structural schematic diagrams of a welding device and welding process for a distribution box proposed by the present invention; Figure 2 This is a second structural schematic diagram of a welding device and welding process for a distribution box proposed by the present invention; Figure 3 A schematic diagram of the disassembled structure of a welding device and welding process for a distribution box proposed by the present invention; Figure 4 for Figure 3 A schematic diagram of the structure enlargement in the middle; Figure 5 The present invention is a partial structural schematic diagram of a welding device for a distribution box and a grinding device for a welding process.

[0022] The names of the corresponding marks in the accompanying drawings are: 1, bracket; 2, welding assembly; 3, rotating device; 4, support plate; 5, clamping device; 6, reinforcing rod; 7, adjusting device; 8, welding device; 9, placing plate; 10, grinding device; 11, plate; 12, grinding assembly; 301, rotating motor; 302, output shaft; 401, supporting groove; 501, clamping plate; 502, clamping positioning plate; 503, clamping telescopic rod; 504, telescopic motor; 505, limiting plate; 506, fixing block; 507, fixing telescopic rod; 508, clamping slide rail; 509, clamping motor; 510, clamping threaded rod; 511, main Clamp; 512, from clamp; 701, adjust slide rail; 702, adjust slot; 703, adjust motor; 704, adjust threaded rod; 705, adjust slide plate; 706, T-plate; 707, adjust telescopic rod; 801, welding slide rail; 802, welding threaded rod; 803, welding slide plate; 804, welding gun; 805, welding machine; 1001, move slide rail; 1002, move threaded rod; 1003, move motor; 1004, move slide plate; 1005, move plate; 1006, move support plate; 1007, move telescopic rod; 1008, grinding plate; 1009, grinding motor; 1010, grinding rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] The specific implementation process is as follows: Embodiment 1: See also Figure 1-5 The present invention provides a technical solution: a welding device for a distribution box, comprising a bracket 1, the bracket 1 is used as the basic supporting structure of the entire device, and is made of high-strength steel to ensure the stability and durability of the device; the welding assembly 2 is fixedly installed above the bracket 1, and the grinding assembly 12 is fixedly installed on the lower side of the bracket 1; The welding assembly 2 is fixedly installed above the bracket 1, and is mainly composed of a rotating device 3, a support plate 4, a clamping device 5, a reinforcing rod 6, a placement plate 9, an adjusting device 7 and a welding device 8; the rotating device 3 includes a rotating motor 301 and an output shaft 302, the rotating motor 301 is fixedly installed above the bracket 1, and its output end is adapted to be provided with an output shaft 302, and the output shaft 302 is fixedly connected to the support plate 4; one end of the support plate 4 is fixedly connected to the output shaft 302 of the rotating device, and the other side is fixedly installed with a clamping device 5, a reinforcing rod 6 and a placement plate 9 in sequence; the clamping device 5 includes a clamping plate 501, a clamping positioning plate 502, a clamping telescopic rod 503, a telescopic motor 504, a limit plate 505, a fixed block 506, a fixed telescopic rod 507, a clamping slide Rail 508, main clamping plate 511, clamping motor 509 and clamping threaded rod 510, the clamping plate 501 is fixedly installed on one side of the support plate 4, the clamping positioning plate 502 is symmetrically installed on one side of the clamping plate 501, one end of the clamping telescopic rod 503 is fixed on the clamping positioning plate 502, and the other end is fixedly connected to the telescopic motor 504, the telescopic motor 504 is fixedly installed on one side of the clamping positioning plate 502, the limit plate 505 is fixedly installed on one side of the telescopic motor 504, and is movably adapted to the support groove 401, the fixed block 506 is fixedly installed on one side of the clamping plate 501, and fixed telescopic rods 507 are symmetrically arranged at both ends, and one end of the fixed telescopic rod 507 is also connected to the telescopic motor 504, the clamping slide rail 508 is fixedly installed on one side of the telescopic motor 504, the main clamping plate 5 11 is fixedly mounted on one side of the clamping rail 508, the clamping motor 509 is fixedly mounted on one end of the clamping rail 508, and its output end is adapted to be provided with a clamping threaded rod 510, and the clamping plate 512 is threadably adapted to the clamping threaded rod 510 and moves along the clamping rail 508; the reinforcing rod 6 is fixedly mounted on one side of the clamping device 5 to enhance the stability of the device; the placing plate 9 is fixedly mounted on one side of the reinforcing rod 6 to place the plate 11 to be welded; the adjusting device 7 includes an adjusting rail 701, an adjusting slot 702, an adjusting motor 703, an adjusting threaded rod 704, an adjusting slide plate 705 and a T-shaped plate 706, the adjusting rail 701 is fixedly mounted on one side of the placing plate 9, the adjusting slot 702 is provided in the adjusting rail 701, and the adjusting motor 703 is fixedly mounted In the middle of the inner wall of the adjustment groove 702, an adjustment threaded rod 704 is adapted to be provided at its output end, and an adjustment slide 705 is adapted to be provided with a thread on the surface of the adjustment threaded rod 704, and a T-shaped plate 706 is fixedly installed on one side of the adjustment slide 705; the welding device 8 includes a welding rail 801, a welding motor, a welding threaded rod 802, a welding slide 803, a welding gun 804 and a welding machine 805, the welding rail 801 is fixedly installed on one end of the adjustment telescopic rod 707, the welding motor is fixedly installed on one end of the welding rail 801, and an adjustment threaded rod 802 is adapted to be provided at its output end, and a welding slide 803 is adapted to be provided with a thread on the surface of the welding threaded rod 802, the welding gun 804 is fixedly installed on one side of the welding slide 803, and the welding machine 805 is fixedly installed on one side of the welding rail 801; The grinding assembly 12 is fixedly installed on one side below the bracket 1, and is mainly composed of a support plate 4, a clamping device 5, a reinforcing rod 6, a placement plate 9 and a grinding device 10; the support plate 4 is shared with the welding assembly 2 and is fixedly installed on one side below the bracket 1; the clamping device 5 is shared with the welding assembly 2 and is used to fix the plate 11 to be ground; the reinforcing rod 6 is shared with the welding assembly 2 to enhance the stability of the device; the placement plate 9 is used to place the plate 11 to be ground; the grinding device 10 includes a movable slide rail 1001, a movable motor 1003, a movable threaded rod 1002, a movable slide plate 1004, a movable plate 1005, a movable support plate 1006, a movable telescopic rod 1007, a grinding plate 1008, and a grinding motor 1009 and a polishing rod 1010, a movable slide rail 1001 is fixedly installed above the placement plate 9, a movable motor 1003 is fixedly installed in the middle of the movable slide rail 1001, an output end of which is adapted with a movable threaded rod 1002, a thread on the surface of the movable threaded rod 1002 is adapted with a movable slide plate 1004, a movable plate 1005 is fixedly installed above the movable slide plate 1004, a movable support plate 1006 is fixedly installed above one end of the movable plate 1005, a movable telescopic rod 1007 is symmetrically installed at both ends of the movable support plate 1006, a polishing plate 1008 is fixedly installed at one end of the movable telescopic rod 1007, a polishing motor 1009 is fixedly installed above the polishing plate 1008, and an output end of which is adapted with a polishing rod 1010; During operation, the plate 11 to be welded is first placed between the slave clamping plate 512 and the main clamping plate 511 of the clamping device 5 of the welding assembly 2, and the clamping motor 509 is started by the control device. The output end of the clamping motor 509 drives the clamping threaded rod 510 to rotate, thereby driving the slave clamping plate 512 to move along the clamping slide rail 508, so as to achieve a firm clamping and fixing of the plate 11; then, the control device controls the telescopic motor 504 to operate, and the telescopic motor 504 drives the clamping telescopic rod 503 to extend and retract, so that the edges and corners of the plate 11 are accurately aligned; then, the control device The adjusting motor 703 of the adjusting device 7 is started, and the adjusting motor 703 drives the T-shaped plate 706 to move in the adjusting slide rail 701 through the adjusting threaded rod 704, so that one end of the T-shaped plate 706 contacts the inner wall of the plate 11, and at the same time, the telescopic rod 707 is adjusted to extend and retract, and the welding device 8 is accurately moved to the welding position; at this time, the control device controls the welding machine 805 to run, and the welding gun 804 starts to weld the inner wall of the corner contacting the plate 11. During the welding process, the welding motor drives the welding threaded rod 802 to rotate, driving the welding slide plate 803 along the welding slide rail 80 1 moves, thereby realizing continuous welding of the edges and corners of the plate 11 by the welding gun 804; after welding is completed, the adjusting device 7 drives the welding device 8 to reset; then, the control device controls the rotation motor 301 of the rotating device 3 to operate, and the rotation motor 301 drives the support plate 4 to rotate through the output shaft 302, and the rotation angle is strictly controlled by the angle sensor, so that the welded plate 11 faces the grinding assembly 12; after rotating to the right position, the fixing of the plate 11 is cancelled from the clamping plate 512, and the plate 11 falls to the clamping device 5 in the grinding assembly 12, and the clamping device 5 in the grinding assembly 12 The device 5 clamps and fixes the plate 11 through the same clamping principle; then, the control device controls the movement of the moving motor 1003 of the grinding device 10, and the moving motor 1003 drives the moving slide 1004 to move on the moving slide rail 1001 by moving the threaded rod 1002, so that the grinding rod 1010 contacts the corners of the plate 11 after welding. At the same time, the grinding motor 1009 starts, driving the grinding rod 1010 to rotate, and grinding the corners of the plate 11 to improve the quality and aesthetics of the welding interface, and finally completing the entire welding and grinding process.

[0025] Embodiment 2: See also Figure 1-4 The present invention provides a technical solution: a welding process for a welding device for a distribution box, comprising the following steps: S1: The plate 11 is placed between the slave clamping plate 512 and the main clamping plate 511 of the clamping device 5, and the clamping motor 509 is controlled by the control device to operate. The output end of the clamping motor 509 drives the slave clamping plate 512 to move along the clamping slide rail 508 through the clamping threaded rod 510, thereby fixing the plate 11; S2: After the fixing is completed, the control device is used to control the telescopic motor 504 to operate, and the telescopic motor 504 drives the clamping telescopic rod 503 to extend and retract, so that the edges and corners of the plate 11 are aligned; S3: Use the control device to control the operation of the adjustment device 7, the adjustment motor 703 drives the T-shaped plate 706 to move in the adjustment slide rail 701 through the adjustment threaded rod 704, so that one end of the T-shaped plate 706 contacts the inner wall of the plate 11, and the control device is used to control the expansion and contraction of the adjustment telescopic rod 707, and the adjustment telescopic rod 707 drives the welding device 8 to move, so that the welding device 8 reaches the welding position, and the control device is used to control the operation of the welding machine 805, and the welding gun 804 welds the inner wall of the corner contacted by the plate 11. During the welding process, the control device controls the operation of the welding motor, and the welding motor drives the welding slide 803 to move along the welding slide rail 801 through the welding threaded rod 802, so as to realize the continuous welding of the corner of the plate 11 by the welding gun 804, and the adjustment device 7 drives the welding device 8 to reset; S4: Use the control device to control the operation of the rotating device 3, and the rotating motor 301 drives the supporting plate 4 to rotate through the output shaft 302; S5: After the welding is completed, the rotation angle is strictly controlled by the angle sensor so that the welded plate 11 faces the grinding device 10; S6: After the rotation, the plate 11 is fixed by the clamping plate 512, so that the plate 11 falls to the clamping device 5 in the grinding assembly 12. The clamping device 5 in the grinding assembly 12 clamps and fixes the plate 11 through the same clamping principle. The control device is used to control the movement of the moving motor 1003. The moving motor 1003 drives the moving slide 1004 to move on the moving slide rail 1001 by moving the threaded rod 1002, so that the grinding rod 1010 contacts the corners of the plate 11 after welding. The control device is used to control the movement of the grinding motor 1009. The grinding motor 1009 drives the grinding rod 1010 to rotate through the output end, and grinds the corners of the plate 11 to increase the quality of the welding results.

[0026] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the technical solution of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A welding device for a distribution box, comprising a bracket (1) and a plate (11) symmetrically arranged, characterized in that: A welding assembly (2) is fixedly provided above the bracket (1), and a grinding assembly (12) is fixedly provided on one side below the bracket (1); The welding assembly (2) comprises a rotating device (3) fixedly mounted above the bracket (1); a support plate (4) is fixedly mounted on one end of the rotating device (3); a clamping device (5) is fixedly mounted on one side of the support plate (4); a reinforcing rod (6) is fixedly mounted on one side of the clamping device (5); a placement plate (9) is fixedly mounted on one side of the reinforcing rod (6); an adjusting device (7) is fixedly mounted on one side of the placement plate (9); and welding devices (8) are symmetrically mounted on both ends of the adjusting device (7); The grinding assembly (12) comprises the support plate (4) fixedly mounted on one side below the bracket (1); the clamping device (5) is fixedly arranged above the support plate (4); the reinforcing rod (6) is fixedly arranged above the clamping device (5); the placement plate (9) is fixedly arranged above the reinforcing rod (6); and the grinding device (10) is fixedly arranged above the placement plate (9).

2. A welding device for a distribution box according to claim 1, characterized in that: The rotating device (3) comprises a rotating motor (301) fixedly mounted above the bracket (1), and an output shaft (302) is adapted to be provided at the output end of the rotating motor (301).

3. A welding device for a distribution box according to claim 2, characterized in that: Both ends of the support plate (4) are fixedly connected to the output shaft (302), and a plurality of support grooves (401) are symmetrically provided on a surface of one side of the support plate (4).

4. A welding device for a distribution box according to claim 3, characterized in that: The clamping device (5) comprises a clamping plate (501) fixedly mounted on one side of the support plate (4); a clamping positioning plate (502) is symmetrically arranged on one side of the clamping plate (501); a clamping telescopic rod (503) is fixedly arranged on one side of the clamping positioning plate (502); a telescopic motor (504) is fixedly arranged on one end of the clamping telescopic rod (503); a limiting plate (505) is fixedly arranged on one side of the telescopic motor (504); and the limiting plate (505) is movably adapted to the support groove (401); The clamping device (5) further comprises a fixed block (506) fixedly mounted on one side of the clamping plate (501), fixed telescopic rods (507) being symmetrically arranged at both ends of the fixed block (506), and the telescopic motor (504) is also arranged at one end of the fixed telescopic rod (507); The clamping device (5) further comprises a clamping slide rail (508) fixedly mounted on one side of the telescopic motor (504); a main clamping plate (511) is fixedly disposed on one side of the clamping slide rail (508); a clamping motor (509) is fixedly disposed on one end of the clamping slide rail (508); a clamping threaded rod (510) is adapted to be disposed at the output end of the clamping motor (509); and a secondary clamping plate (512) is adapted to be disposed on the surface of the clamping threaded rod (510) through threads.

5. A welding device for a distribution box according to claim 1, characterized in that: The adjustment device (7) comprises an adjustment rail (701) fixedly mounted on one side of the placement plate (9), an adjustment groove (702) being provided in the adjustment rail (701), an adjustment motor (703) being fixedly provided in the middle of the inner wall of the adjustment groove (702), an adjustment threaded rod (704) being adapted at the output end of the adjustment motor (703), an adjustment slide plate (705) being threadedly adapted on the surface of the adjustment threaded rod (704), a T-shaped plate (706) being fixedly provided on one side of the adjustment slide plate (705), and adjustment telescopic rods (707) being symmetrically provided at both ends of the T-shaped plate (706).

6. A welding device for a distribution box according to claim 5, characterized in that: The welding device (8) comprises a welding slide rail (801) fixedly mounted on one end of the adjustable telescopic rod (707); a welding motor is fixedly provided at one end of the welding slide rail (801); a welding threaded rod (802) is adapted to be provided at the output end of the welding motor; a welding slide plate (803) is adapted to be provided with threads on the surface of the welding threaded rod (802); a welding gun (804) is fixedly provided on one side of the welding slide plate (803); and a welding machine (805) is fixedly provided on one side of the welding slide rail (801).

7. A welding device for a distribution box according to claim 1, characterized in that: The grinding device (10) comprises a movable slide rail (1001) fixedly mounted above the placement plate (9); a movable motor (1003) is fixedly arranged in the middle of the movable slide rail (1001); a movable threaded rod (1002) is adapted to be arranged at the output end of the movable motor (1003); a movable slide plate (1004) is adapted to be arranged in a threaded manner on the surface of the movable threaded rod (1002); a movable plate (1005) is fixedly arranged above the movable slide plate (1004); a movable support plate (1006) is fixedly arranged above one end of the movable plate (1005); movable telescopic rods (1007) are fixedly arranged at both ends of the movable support plate (1006); a grinding plate (1008) is fixedly arranged at one end of the movable telescopic rod (1007); a grinding plate (1008) is fixedly arranged above the grinding plate (1008); a grinding motor (1009) is fixedly arranged above the grinding plate (1008); and a grinding rod (1010) is adapted to be arranged at the output end of the grinding motor (1009).

8. A welding process for a welding device for a distribution box, characterized in that: The following steps are involved: S1: placing a plate (11) between a slave clamping plate (512) and a main clamping plate (511) of a clamping device (5), and using a control device to control the operation of a clamping motor (509), wherein the output end of the clamping motor (509) drives the slave clamping plate (512) to move along a clamping slide rail (508) via a clamping threaded rod (510), thereby fixing the plate (11); S2: After the fixing is completed, the control device is used to control the telescopic motor (504) to operate, and the telescopic motor (504) drives the clamping telescopic rod (503) to extend and retract, so that the edges and corners of the plate (11) are aligned; S3: Using a control device to control the operation of the adjustment device (7), the adjustment motor (703) drives the T-shaped plate (706) to move in the adjustment slide rail (701) through the adjustment threaded rod (704), so that one end of the T-shaped plate (706) contacts the inner wall of the plate (11), using the control device to control the adjustment telescopic rod (707) to extend and retract, the adjustment telescopic rod (707) drives the welding device (8) to move, so that the welding device (8) reaches the welding position, using the control device to control the operation of the welding machine (805), the welding gun (804) welds the inner wall of the corner of the plate (11) in contact, during the welding process, the control device controls the operation of the welding motor, the welding motor drives the welding slide plate (803) to move along the welding slide rail (801) through the welding threaded rod (802), thereby realizing continuous welding of the corner of the plate (11) by the welding gun (804), and the adjustment device (7) drives the welding device (8) to reset; S4: using the control device to control the rotation device (3) to operate, so that the rotation motor (301) drives the support plate (4) to rotate via the output shaft (302); S5: After the welding is completed, the rotation angle is strictly controlled by the angle sensor so that the welded plate (11) faces the grinding device (10); S6: After the rotation, the plate (11) is fixed by the clamping plate (512), so that the plate (11) falls to the clamping device (5) in the grinding assembly (12). The clamping device (5) in the grinding assembly (12) clamps and fixes the plate (11) through the same clamping principle. The control device is used to control the movement of the moving motor (1003). The moving motor (1003) drives the moving slide plate (1004) to move on the moving slide rail (1001) through the moving threaded rod (1002), so that the grinding rod (1010) contacts the corner of the plate (11) after welding. The control device is used to control the operation of the grinding motor (1009). The grinding motor (1009) drives the grinding rod (1010) to rotate through the output end to grind the corner of the plate (11) to improve the quality of the welding result.

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