A welding robot for processing an automobile trim panel

Abstract

The application relates to the technical field of welding robots, and particularly discloses a welding robot for automobile decorative plate processing, which comprises a mechanical arm assembly, a welding gun assembly is installed at the front end of the mechanical arm assembly, a multichannel wire feeding port is fixedly installed on the welding gun assembly, a welding wire rotary cutting replacement mechanism is further installed on the mechanical arm assembly, the mechanical arm assembly comprises a base column, a mechanical arm piece is installed on the base column, a welding gun forearm is arranged at the tail end of the mechanical arm piece, the welding gun assembly is fixedly installed at the tail end of the welding gun forearm, the multichannel wire feeding port comprises a support plate, the number of the support plates is four, and the support plates are uniformly installed on the outer side surface of the welding gun assembly, wire feeding end pipes are fixedly installed on the outer side of the support plates, wire feeding channel pipes are fixedly connected to the rear side of the wire feeding end pipes, and welding wire bodies are movably sleeved in the wire feeding channel pipes and the wire feeding end pipes. The device can realize the effects of quickly cutting the wire and replacing the wire feeding channel when the welding wire is blocked.

Description

Technical Field

[0001] This invention relates to the field of welding robot technology, and more specifically to a welding robot for processing automotive trim panels. Background Technology

[0002] Welding robots are used in the processing of automotive trim panels. They play a crucial role in welding automotive trim panels, significantly improving the quality, efficiency, consistency, and flexibility of the production process.

[0003] However, in practical use, welding robots under the existing technology still have the following shortcomings;

[0004] In the current welding robot, the welding wire is driven from the wire feeder and fed into the pipe and transported to the wire feeder end to contact the welding gun for welding. The welding wire moves in the pipe and at the wire feeder end for a long time, which will cause the inner diameter of the wire feeder pipe and the wire feeder end to expand. If the diameter is too large, it cannot effectively restrain the welding wire. The welding wire shakes and deviates from the center in the wire feeder pipe and the wire feeder end, thus scraping and bending against its inner wall, and eventually getting stuck, which affects the welding work.

[0005] Therefore, in order to solve the above problems, there is a need to provide a welding robot for processing automotive trim panels. Summary of the Invention

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a welding robot for processing automotive decorative panels to solve the problems existing in the background art.

[0007] The present invention provides the following technical solution: a welding robot for processing automotive decorative panels, comprising a robotic arm assembly, a welding gun assembly mounted on the front end of the robotic arm assembly, a multi-channel wire feeding port fixedly mounted on the welding gun assembly, and a welding wire rotary cutting and changing mechanism mounted on the robotic arm assembly.

[0008] Furthermore, the robotic arm assembly includes a base column on which a robotic arm component is mounted. The end of the robotic arm component is provided with a welding torch forearm, and the welding torch assembly is fixedly mounted on the end of the welding torch forearm.

[0009] Furthermore, the multi-channel wire feeding port includes a support plate, and the number of support plates is four and they are evenly installed on the outer side of the welding gun assembly. A wire feeding end tube is fixedly installed on the outer side of each support plate, and a wire feeding channel tube is fixedly connected to the rear side of each wire feeding end tube. A welding wire body is movably sleeved in both the wire feeding channel tube and the wire feeding end tube.

[0010] Furthermore, the welding wire rotary cutting and changing mechanism includes a channel body, which is fixedly mounted on the robotic arm. A central hole is provided at the center of the channel body, and four evenly distributed mounting slots are provided in the channel body. Each mounting slot is movably fitted with a limit block, and a compression spring is fixedly connected to the bottom of the mounting slot. When the compression spring is in its natural state, the limit block protrudes from the mounting slot. The channel body also has four evenly distributed wire feeding channels, and the front end of each wire feeding channel is fixedly connected to a wire feeding channel pipe. The welding wire passes through the wire feeding channel and enters the wire feeding channel pipe.

[0011] Furthermore, a fixing block is fixedly installed in the central hole, a tension spring is fixedly connected to the fixing block, and a central shaft is fixedly connected to the tension spring. The central shaft is movably sleeved in the central hole. A sleeve plate is fixedly installed at the rear end of the central shaft. A wire feeding hole is opened at the front end of the sleeve plate. When the sleeve plate is horizontal or vertical, its wire feeding hole is aligned with four wire feeding channels in sequence. When the sleeve plate is horizontal or vertical, its outer side is flush with the sides of four limiting blocks in sequence. Two plate holes are opened on the sleeve plate, and a rotating shaft is movably sleeved in each plate hole. A drive wheel is fixedly sleeved in the middle section of the rotating shaft. Shaft plates are provided on both sides of the drive wheel. The shaft plates are movably sleeved with the rotating shaft. A telescopic shaft is connected between the shaft plates and the inner wall of the sleeve plate. A buffer spring is sleeved at the telescopic end of the telescopic shaft. The drive wheels are symmetrically distributed and clamp the welding wire. Each shaft end is fixedly fitted with a transmission gear, which meshes with each other for transmission. A wire feeding motor is fixedly mounted on the bottom surface of the sleeve plate. The drive end of the wire feeding motor is fixedly connected to the end of one of the shafts. A sealing plate is fixedly mounted on the rear end of the sleeve plate. The sealing plate has a wire inlet hole aligned with the wire feeding hole. The sealing plate also has a clearance hole aligned with the center hole. A driven plate is fixedly mounted on the outer side of the clearance hole. A mounting base is also fixedly mounted on the robotic arm. A replacement motor is fixedly mounted on the mounting base. The drive end of the replacement motor is fixedly connected to a drive shaft. The end of the drive shaft is movably fitted with the driven plate. A drive plate is fixedly fitted on the outer side of the drive shaft. When the tension spring is in its natural state, there is a gap between the adjacent surfaces of the drive plate and the driven plate.

[0012] Furthermore, a base shell is fixedly installed on the robotic arm, and a slicing motor is fixedly installed on the base shell. There are four slicing motors, which are evenly distributed at the top, bottom, left, and right ends of the channel body. Each slicing motor is fixedly installed with a fixing plate. The drive shaft of each slicing motor passes through the fixing plate and is fixedly connected to a slicing blade. The fixing plate at the bottom end of the channel body is fixedly installed on the robotic arm, and the fixing plates at the top end and left and right ends of the channel body are fixedly connected to upright plates. The upright plates are fixedly connected to the channel body. The blade of the slicing blade is flush with the contact surface of the channel body and the sleeve plate. The thickness of the blade is consistent with the gap distance between the adjacent surfaces of the driving plate and the driven plate. The limiting block has an inclined surface on the side that is aligned with the blade of the slicing blade in each direction.

[0013] Furthermore, when the slicing blades at the four directions of the channel body move towards the center to cut, the limiting blocks on the other side sequentially limit the cutting blades at the four directions.

[0014] Furthermore, the bottom of the robotic arm assembly is also provided with a wire winding assembly, which includes a wire winding shaft. The wire winding shaft is fixedly installed at the bottom of the robotic arm component. A wire winding disc is movably sleeved on the shaft of the wire winding shaft. The welding wire is wound and stored on the wire winding disc. A wire guide block is also fixedly installed at the bottom of the robotic arm component. A feeding hole is opened in the wire guide block. A wire guide tube is fixedly connected between the wire inlet hole and the feeding hole.

[0015] The technical effects and advantages of this invention are as follows:

[0016] This invention includes a welding wire rotary cutting and changing mechanism. In use, taking the initial stage where the sleeve plate is located at the left end of the channel body as an example, when the welding wire is blocked in the wire feeding channel pipe or wire feeding end pipe, the left-side cutting motor is activated to drive the cutting blade. The cutting blade inserts between the contact surface of the sleeve plate and the channel body, separating them. At this time, the tension spring is stretched, and the driven plate moves backward to contact the driving plate, causing the changing motor to drive the driving plate to rotate downward. Under the movement of the cutting blade, the left-side limiting block is squeezed into the mounting groove using its inclined surface. The sleeve plate rotates downward 90 degrees so that its outer side contacts and is limited by the side of the bottom limiting block. The cutting blade cuts the welding wire from the left-side wire feeding channel. After the sleeve plate rotates downward 90 degrees, its wire feeding hole is realigned with the wire feeding channel at the bottom. Driven by the wire feeding motor, the two drive wheels holding the welding wire rotate, thereby driving the welding wire into the wire feeding channel at the bottom, thus achieving the effect of quickly changing the wire feeding channel. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2This is a schematic diagram of the robotic arm assembly structure of the present invention.

[0019] Figure 3 This is a schematic diagram of the multi-channel wire feeding port structure of the present invention.

[0020] Figure 4 This is a schematic diagram of the channel structure of the present invention.

[0021] Figure 5 This is a schematic diagram of the welding wire rotary cutting and replacement mechanism of the present invention.

[0022] Figure 6 This is a schematic diagram of the slicing blade structure of the present invention.

[0023] Figure 7 This is a schematic diagram of the inclined surface of the present invention.

[0024] Figure 8 This is a schematic diagram of the wire winding assembly structure of the present invention.

[0025] The attached figures are labeled as follows: 1. Robotic arm assembly; 101. Base column; 102. Robotic arm component; 103. Welding torch forearm; 2. Welding torch assembly; 3. Multi-channel wire feeding port; 301. Support plate; 302. Wire feeding end tube; 303. Wire feeding channel tube; 304. Welding wire body; 4. Welding wire rotary cutting and changing mechanism; 401. Channel body; 402. Center hole; 403. Mounting groove; 404. Limiting block; 405. Compression spring; 406. Wire feeding channel; 407. Fixing block; 408. Tension spring; 409. Central shaft; 410. Sleeve plate; 411. Plate hole; 412. Rotating shaft; 413. 414. Drive wheel; 415. Shaft plate; 416. Telescopic shaft; 417. Buffer spring; 418. Transmission gear; 419. Wire feeding motor; 420. Sealing plate; 421. Wire inlet hole; 422. Allowance hole; 423. Driven disc; 424. Mounting base; 425. Replacement motor; 426. Driven shaft; 427. Bottom housing; 428. Wire cutting motor; 429. Fixing plate; 430. Wire cutting knife; 431. Vertical plate; 432. Inclined surface; 501. Wire winding assembly; 502. Wire winding shaft; 503. Wire guide block; 504. Wire guide tube. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The welding robot for processing automotive decorative panels involved in the present invention is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Reference Figure 1The present invention provides a welding robot for processing automotive decorative panels, including a robotic arm assembly 1, a welding gun assembly 2 installed at the front end of the robotic arm assembly 1, a multi-channel wire feeding port 3 fixedly installed on the welding gun assembly 2, a welding wire rotary cutting and changing mechanism 4 installed on the robotic arm assembly 1, and a wire winding assembly 5 provided at the bottom of the robotic arm assembly 1.

[0028] In this embodiment, the robotic arm assembly 1 is driven to control the welding gun assembly 2 to be located in different spatial positions, so that the welding gun assembly 2 can be used flexibly to weld the automotive trim panel. When the welding wire gets stuck in the pipe of the multi-channel wire feeding port 3, the welding wire cutting and changing mechanism 4 can be used to cut the welding wire at the drive wire feeding point and quickly change the wire feeding channel, so that the subsequent welding work can continue. The wire winding assembly 5 winds and stores the welding wire for feeding.

[0029] Reference Figure 2 The robotic arm assembly 1 includes a base column 101, on which a robotic arm component 102 is mounted. The end of the robotic arm component 102 is provided with a welding torch forearm 103, and the welding torch assembly 2 is fixedly mounted on the end of the welding torch forearm 103.

[0030] In use, the robotic arm 102 drives the welding torch forearm 103 to move the welding torch assembly 2 to different spatial positions, thereby flexibly carrying out welding work. Since the above structure and working principle are technical means known to those skilled in the art, the specific structure and working principle are not described in detail in this embodiment.

[0031] Reference Figure 3 The multi-channel wire feeding port 3 includes a support plate 301. There are four support plates 301, which are evenly installed on the outer side of the welding gun assembly 2. A wire feeding end tube 302 is fixedly installed on the outer side of each support plate 301. A wire feeding channel tube 303 is fixedly connected to the rear side of each wire feeding end tube 302. A welding wire body 304 is movably sleeved in both the wire feeding channel tube 303 and the wire feeding end tube 302.

[0032] In this embodiment, the welding wire 304 can move in the feed channel tube 303 and the wire feed end tube 302, and the end of the welding wire 304 contacts the welding point of the welding gun assembly 2 to perform welding work.

[0033] Reference Figures 4-6The welding wire rotary cutting and changing mechanism 4 includes a channel body 401, which is fixedly mounted on the robotic arm 102. A central hole 402 is formed at the center of the channel body 401. Four evenly distributed mounting slots 403 are formed in the channel body 401, and each mounting slot 403 is movably fitted with a limiting block 404. A compression spring 405 is fixedly connected to the bottom of each limiting block 404 and mounting slot 403. When the compression spring 405 is in its natural state, the limiting block 404 protrudes from the mounting slot 403. Four evenly distributed wire feeding channels 406 are also formed in the channel body 401. The front end of each wire feeding channel 406 is fixedly connected to a wire feeding channel pipe 303, through which the welding wire 304 passes. 406 enters the wire feeding channel tube 303. A fixing block 407 is fixedly installed in the central hole 402. A tension spring 408 is fixedly connected to the fixing block 407. A central shaft 409 is fixedly connected to the tension spring 408. The central shaft 409 is movably sleeved in the central hole 402. A sleeve plate 410 is fixedly installed at the rear end of the central shaft 409. A wire feeding hole is opened at the front end of the sleeve plate 410. When the sleeve plate 410 is horizontal or vertical, its wire feeding hole is aligned with four wire feeding channels 406 in sequence. When the sleeve plate 410 is horizontal or vertical, its outer side is flush with the sides of four limiting blocks 404 in sequence. Two plate holes 411 are opened on the sleeve plate 410. A rotating shaft 412 is movably sleeved in each plate hole 411. A drive wheel 413 is fixedly sleeved on the middle section of the shaft of the rotating shaft 412. A shaft plate 414 is provided on both sides of the drive wheel 413. The shaft plate 414 is movably sleeved with the shaft of the rotating shaft 412. A telescopic shaft 415 is connected between the shaft plate 414 and the inner wall of the sleeve plate 410. A buffer spring 416 is sleeved on the telescopic end of the telescopic shaft 415. The drive wheels 413 are symmetrically distributed and clamp the welding wire 304. A transmission gear 417 is fixedly sleeved on the end of the shaft of the rotating shaft 412. The transmission gears 417 mesh and transmit power to each other. A wire feeding motor 418 is fixedly installed on the bottom surface of the sleeve plate 410. The drive end of the wire feeding motor 418 is fixedly connected to the end of the shaft of one of the rotating shafts 412. A sealing plate 419 is fixedly installed at the rear end of the device. The sealing plate 419 has a wire inlet hole 420 aligned with the wire feeding hole. A clearance hole 421 is also provided on the sealing plate 419, aligned with the center hole 402. A driven plate 422 is fixedly installed on the outer side of the clearance hole 421. A mounting base 423 is also fixedly installed on the robotic arm 102. A replacement motor 424 is fixedly installed on the mounting base 423. A drive shaft 425 is fixedly connected to the drive end of the replacement motor 424. The end of the drive shaft 425 is movably sleeved with the driven plate 422. A drive plate 426 is fixedly sleeved on the outer side of the drive shaft 425. When the tension spring 408 is in its natural state...A gap is left between the adjacent surfaces of the active disk 426 and the driven disk 422. A bottom housing 427 is fixedly installed on the robotic arm 102. A shredding motor 428 is fixedly installed on the bottom housing 427. There are four shredding motors 428, which are evenly distributed at the top, bottom, left, and right ends of the channel body 401. Each shredding motor 428 is fixedly installed with a fixing plate 429. The drive shaft of each shredding motor 428 passes through the fixing plate 429 and is fixedly connected to a shredding blade 430. The fixing plate 429 is located at the bottom end of the channel body 401 for individual fixing. Mounted on the robotic arm component 102, the fixing plate 429 is located at the upper end of the channel body 401, and each of its left and right ends is fixedly connected to a vertical plate 431. The vertical plate 431 is fixedly connected to the channel body 401. The cutting edge of the shredder 430 is flush with the contact surface of the channel body 401 and the sleeve plate 410. The thickness of the shredder 430 is consistent with the gap between adjacent surfaces of the driving disc 426 and the driven disc 422. The limiting block 404 has a bevel 432 on its side aligned with the cutting edge of the shredder 430 in each direction.

[0034] When the device is in use, taking the initial stage where the sleeve plate 410 is located at the left end of the channel body 401 as an example, when the welding wire 304 is blocked in the wire feeding channel pipe 303 or the wire feeding end pipe 302, the left-side wire cutting motor 428 is started to drive the wire cutting knife 430 to move. The wire cutting knife 430 inserts between the contact surface of the sleeve plate 410 and the channel body 401 and separates them. At this time, the tension spring 408 is stretched, and the driven plate 422 moves backward and contacts the driving plate 426, so that the replacement motor 424 drives the driving plate 426 to rotate the sleeve plate 410 downward. At this time, under the movement of the wire cutting knife 430, the left-side limiting block 404 is squeezed into the mounting groove 403 by the inclined surface 432. The sleeve plate 410 is rotated downwards by 90 degrees so that its outer side contacts and is limited by the side of the bottom limiting block 404. The wire cutter 430 cuts the welding wire 304 from the wire feeding channel 406 on the left. After the sleeve plate 410 is rotated downwards by 90 degrees, its wire feeding hole is realigned with the wire feeding channel 406 at the bottom. Driven by the wire feeding motor 418, the two drive wheels 413 on both sides holding the welding wire 304 rotate, thereby driving the welding wire 304 into the wire feeding channel 406 at the bottom, thus completing the effect of quickly changing the wire feeding channel. If a blockage occurs in subsequent work, the above process is repeated until all four wire feeding channels are used up, and then disassembly and replacement work is performed.

[0035] Reference Figure 7 When the cutting blades 430 at the four directions of the channel body 401 make a cutting motion towards the center, the limiting blocks 404 on the other side limit the cutting edges of the cutting blades 430 in the four directions in turn.

[0036] Reference Figure 8The wire winding assembly 5 includes a wire winding shaft 501, which is fixedly installed at the bottom of the robotic arm 102. A wire winding disc 502 is movably sleeved on the shaft of the wire winding shaft 501. The welding wire 304 is wound and stored on the wire winding disc 502. A wire guide block 503 is also fixedly installed at the bottom of the robotic arm 102. A feeding hole is provided in the wire guide block 503. A wire guide tube 504 is fixedly connected between the wire inlet hole 420 and the feeding hole.

[0037] When the device is in use, the welding wire 304 is pulled out from the wire winding spool 502, passes through the wire guide block 503 and the wire guide tube 504 into the welding wire rotary cutting and changing mechanism 4, and is then transported to the welding part of the welding gun assembly 2 through the multi-channel wire feeding port 3 after being driven by the welding wire rotary cutting and changing mechanism 4.

[0038] The working principle of this invention: When the device is in use, taking the initial stage where the sleeve plate 410 is located at the left end of the channel body 401 as an example, when the welding wire 304 is blocked in the wire feeding channel pipe 303 or the wire feeding end pipe 302, the left-side wire cutting motor 428 is started to drive the wire cutting knife 430 to move. The wire cutting knife 430 is inserted between the contact surface of the sleeve plate 410 and the channel body 401 and separates them. At this time, the tension spring 408 is stretched, and the driven plate 422 moves backward and contacts the driving plate 426, so that the replacement motor 424 drives the driving plate 426 to drive the sleeve plate 410 to rotate downward. At this time, under the movement of the wire cutting knife 430, the left-side limiting block 404 is squeezed into the mounting groove 403 by the inclined surface 432 and stored. The sleeve plate 410 rotates downward ninety degrees so that its outer side contacts the side of the bottom limiting block 404 and is limited. In position, the wire cutter 430 cuts the welding wire 304 from the wire feeding channel 406 on the left. After the sleeve plate 410 rotates down 90 degrees, its wire feeding hole is aligned again with the wire feeding channel 406 at the bottom position. Driven by the wire feeding motor 418, the drive wheels 413 on both sides holding the welding wire 304 rotate, thereby driving the welding wire 304 into the wire feeding channel 406 at the bottom position, thus completing the effect of quickly changing the wire feeding channel. If a blockage occurs in subsequent work, the above process is repeated until all four wire feeding channels are used up. Then, the disassembly and replacement work is carried out. The welding wire 304 is pulled out from the wire winding spool 502, passes through the wire guide block 503 and the wire guide tube 504 into the welding wire rotary cutting and changing mechanism 4. After being driven by the welding wire rotary cutting and changing mechanism 4, it is transported to the welding part of the welding gun assembly 2 through the multi-channel wire feeding port 3.

[0039] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0040] Secondly: The accompanying drawings of the embodiments disclosed in this invention only involve the structures involved in the embodiments disclosed in this invention. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this invention can be combined with each other.

[0041] In conclusion, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A welding robot for processing automotive decorative panels, comprising a robotic arm assembly (1), wherein a welding torch assembly (2) is mounted at the front end of the robotic arm assembly (1), characterized in that: The welding torch assembly (2) is fixedly equipped with a multi-channel wire feeding port (3), and the robotic arm assembly (1) is also equipped with a welding wire rotary cutting and changing mechanism (4). The robotic arm assembly (1) includes a base column (101), on which a robotic arm component (102) is mounted. The end of the robotic arm component (102) is provided with a welding torch forearm (103), and the welding torch assembly (2) is fixedly mounted on the end of the welding torch forearm (103). The multi-channel wire feeding port (3) includes a support plate (301). There are four support plates (301) and they are evenly installed on the outer side of the welding torch assembly (2). A wire feeding end tube (302) is fixedly installed on the outer side of each support plate (301). A wire feeding channel tube (303) is fixedly connected to the rear side of each wire feeding end tube (302). A welding wire body (304) is movably sleeved in both the wire feeding channel tube (303) and the wire feeding end tube (302). The welding wire rotary cutting and changing mechanism (4) includes a channel body (401), which is fixedly installed on the robotic arm (102). A central hole (402) is provided at the center of the channel body (401). Four evenly distributed mounting slots (403) are provided in the channel body (401). Limiting blocks (404) are movably sleeved in each mounting slot (403). A compression spring (405) is fixedly connected to the bottom of the mounting slot (403) of the limiting block (404). When the compression spring (405) is in its natural state, the limiting block (404) protrudes out of the mounting slot (403). Four evenly distributed wire feeding channels (406) are also provided in the channel body (401). The front end of each wire feeding channel (406) is fixedly connected to the pipe of the wire feeding channel (303). The welding wire (304) passes through the wire feeding channel (406) and enters the wire feeding channel (303). A fixing block (407) is fixedly installed in the central hole (402). A tension spring (408) is fixedly connected to the fixing block (407). A central shaft (409) is fixedly connected to the tension spring (408). The central shaft (409) is movably sleeved in the central hole (402). A sleeve plate (410) is fixedly installed at the rear end of the shaft of the central shaft (409). A wire feeding hole is opened at the front end of the sleeve plate (410). When the sleeve plate (410) is horizontal or vertical, the wire feeding hole is aligned with four wire feeding channels (406) in sequence. The outer side of the sleeve plate (410) is flush with the side of four limiting blocks (404) in sequence. Two plate holes (411) are provided on the plate (410). A rotating shaft (412) is movably sleeved in each of the plate holes (411). A drive wheel (413) is fixedly sleeved in the middle section of the shaft of the rotating shaft (412). A shaft plate (414) is provided on both sides of the drive wheel (413). The shaft plate (414) is movably sleeved with the shaft of the rotating shaft (412). A telescopic shaft (415) is connected between the shaft plate (414) and the inner wall of the sleeve plate (410). A buffer spring (416) is sleeved on the telescopic end of the telescopic shaft (415). The drive wheels (413) are symmetrically distributed and clamp the welding wire (304). The rotating shaft ( The shaft ends of 412 are all fixedly sleeved with transmission gears (417), which mesh with each other. A wire feeding motor (418) is fixedly installed on the bottom surface of the sleeve (410). The drive end of the wire feeding motor (418) is fixedly connected to the shaft end of one of the rotating shafts (412). A sealing plate (419) is fixedly installed at the rear end of the sleeve (410). The sealing plate (419) has a wire inlet hole (420) which is aligned with the wire feeding hole. The sealing plate (419) also has a allowance hole (421) which is aligned with the center hole (40). 2) Alignment: A driven plate (422) is fixedly installed on the outer side of the allowance hole (421). A mounting base (423) is also fixedly installed on the robotic arm (102). A replacement motor (424) is fixedly installed on the mounting base (423). A drive shaft (425) is fixedly connected to the drive end of the replacement motor (424). The shaft end of the drive shaft (425) is movably sleeved with the driven plate (422). A drive plate (426) is fixedly sleeved on the outer side of the shaft of the drive shaft (425). When the tension spring (408) is in its natural state, there is a gap between the adjacent surfaces of the drive plate (426) and the driven plate (422).

2. The welding robot for processing automotive trim panels according to claim 1, characterized in that: A bottom housing (427) is fixedly installed on the robotic arm (102). A shredding motor (428) is fixedly installed on the bottom housing (427). There are four shredding motors (428) evenly distributed at the top, bottom, left, and right ends of the channel body (401). Each shredding motor (428) is fixedly installed with a fixing plate (429). The drive shaft of each shredding motor (428) passes through the fixing plate (429) and is fixedly connected to a shredding blade (430). The fixing plate (429) located at the bottom end of the channel body (401) is fixedly installed on the robotic arm (102). Above, the fixed plate (429) is located at the upper end of the channel body (401) and the individual units at the left and right ends are fixedly connected to the upright plate (431). The upright plate (431) is fixedly connected to the channel body (401). The blade of the shredder (430) is flush with the contact surface of the channel body (401) and the sleeve plate (410). The thickness of the blade of the shredder (430) is consistent with the gap distance between the adjacent surfaces of the active plate (426) and the driven plate (422). The limiting block (404) has a bevel (432) on the side that is aligned with the blade of the shredder (430) in each direction.

3. The welding robot for processing automotive decorative panels according to claim 2, characterized in that: When the cutting blades (430) at the four directions of the channel body (401) make a cutting motion towards the center, the corresponding limiting blocks (404) limit the cutting edges of the cutting blades (430) at the four directions.

4. The welding robot for processing automotive decorative panels according to claim 3, characterized in that: The bottom of the robotic arm assembly (1) is also provided with a wire winding assembly (5).

5. The welding robot for processing automotive trim panels according to claim 4, characterized in that: The wire winding assembly (5) includes a wire winding shaft (501), which is fixedly installed at the bottom of the robotic arm (102). A wire winding disc (502) is movably sleeved on the shaft of the wire winding shaft (501). The welding wire (304) is wound and stored on the wire winding disc (502). A wire guide block (503) is also fixedly installed at the bottom of the robotic arm (102). A feeding hole is provided in the wire guide block (503). A wire guide tube (504) is fixedly connected between the wire inlet hole (420) and the feeding hole.

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