Welding device for automobile part machining

Abstract

The invention discloses a welding device for automobile part machining, and belongs to the field of welding devices.The welding device comprises an annular welding assembly conducting annular motion welding around a circular welding object, the annular welding assembly comprises a first mounting ring, a gear ring is rotationally connected to the interior of the first mounting ring, and a first driving gear is meshed with one side of the gear ring; a driver is arranged on the back of the first driving gear, the first driving gear is fixedly connected to an output shaft of the driver, a laser welding head rotating along with the gear ring is arranged on the inner wall of the gear ring, and an air draft assembly used for absorbing and treating welding gas is arranged at the top of the driver. The air draft assembly comprises an air draft cabin, annular welding can be conducted around a welding seam when the device conducts a circular link, the precision of the device is guaranteed, and meanwhile the problem that the welding seam is weak due to the fact that a user needs to frequently rotate the welding position during welding is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of welding devices, in particular to a welding device for processing automobile parts. Background Art

[0002] At a time when the automotive manufacturing industry is booming, the welding quality and efficiency of automotive parts directly affect the safety, reliability and production efficiency of the vehicle. With the advancement of the trend of lightweight and intelligent vehicles, new materials such as aluminum alloys and high-strength steel are being used more and more widely in automotive manufacturing, and the structure of automotive parts is becoming increasingly complex and sophisticated, which puts more stringent requirements on the adaptability, welding accuracy and stability of welding equipment.

[0003] When welding automotive parts, since automotive parts are not welded in a single straight line, most existing welding technologies still use manual welding, which faces many challenges.

[0004] Manual welding is inefficient and cannot meet the large-scale assembly line production needs of the automotive manufacturing industry. Faced with complex welding paths, especially circular welding, welders need to repeatedly confirm the welding position and parameters. Circular welding requires frequent rotation of the two welded objects, which can cause weld offset problems during rotation. It can take tens of minutes or even longer to complete the welding of a single part, making it difficult to efficiently connect with other processes such as stamping and painting.

[0005] Moreover, the quality of manual welding is greatly affected by the skill level and working status of the welder. There are obvious differences in welding quality between new and old welders. In addition, manual welding also has the problems of high labor intensity and high occupational health risks. The arc radiation and harmful smoke generated during the welding process can easily cause welders to have decreased eyesight and respiratory diseases if exposed for a long time, further exacerbating the loss of professional welders and making the limitations of manual welding in complex welding scenarios of automotive parts increasingly prominent.

[0006] Therefore be necessary to provide a kind of automobile parts processing welding device to solve the above problems. Summary of the Invention

[0007] The technical solution adopted by the present invention to solve its technical problems is: a welding device for processing automobile parts, including a ring welding assembly for performing ring-shaped welding around a circular welding object, the ring welding assembly including a first mounting ring, the internal rotation of the first mounting ring is connected to a gear ring, one side of the gear ring is engaged with a first driving gear, the back of the first driving gear is provided with a driver, the first driving gear is fixedly connected to the output shaft of the driver, the inner wall of the gear ring is provided with a laser welding head that rotates with the gear ring, the top of the driver is provided with an exhaust assembly for absorbing welding gas and processing it, the exhaust assembly includes an exhaust cabin, one side of the exhaust cabin is connected to an exhaust duct extending to the ring welding assembly and close to the midpoint of the ring welding assembly, a turbofan is provided inside the exhaust cabin, the drive shaft of the turbofan passes through the exhaust cabin and extends to the outside of the exhaust cabin, and a purifier is installed on the top of the exhaust cabin.

[0008] Furthermore, a ring welding base is fixedly connected to the inside of the gear ring, and two adjusting columns are installed on the top of the ring welding base. The outer walls of the two adjusting columns are provided with threads, and the outer walls of the two adjusting columns are also slidably connected with a first pressure plate. The opposite surfaces of the two first pressure plates are fixedly connected to the laser welding head, and the outer walls of the two adjusting columns are threaded with nuts. A first elastic member is provided between the two adjusting columns and the ring welding base, and the specific setting position of the first elastic member is on the outer walls of the two adjusting columns.

[0009] Furthermore, a notch is provided on one side of the first mounting ring, and the gear ring is exposed outside the first mounting ring at the notch. The gear ring is provided with a plurality of meshing teeth for engaging the first driving gear, and the bottom of the first mounting ring is fixedly connected to a welding frame.

[0010] Furthermore, the output shaft of the driver is also fixedly connected to the second driving gear, the top of the second driving gear is meshed with the first driven gear, two transmission mounting brackets are provided on the connecting shaft of the first driven gear, one side of the two transmission mounting brackets is fixedly connected to an exhaust mounting seat, one end of the first driven gear connecting shaft is fixedly connected to the second transmission ring, the transmission shaft of the turbofan passes through one end and is fixedly connected to the first transmission ring, the first transmission ring and the second transmission ring are positioned perpendicularly, a transmission belt for transmitting the first transmission ring and the second transmission ring is provided between the first transmission ring and the second transmission ring, and one side of the exhaust mounting seat is fixedly connected to one side of the first mounting ring.

[0011] Furthermore, both sides of the ring welding assembly are provided with fixed assemblies with the same height as the ring welding assembly, and the fixed assembly includes two central fixing frames, a lifting ring is installed between the two central fixing frames, and four locking structures are provided on the lifting ring, and one side of the four locking structures is connected to a diversion chamber, and one side of the four diversion chambers is provided with a conveying ring, and a mounting head is provided on the conveying ring, and one side of the mounting head is connected to a flow channel, and one side of the flow channel is connected to an oil pressure chamber, and one side of the oil pressure chamber is installed with an electric telescopic rod.

[0012] Furthermore, the locking structure includes a trigger cabin, a sealing plate is slidingly provided inside the trigger cabin, one side of the sealing plate is fixedly connected to an extension rod that passes through one side of the trigger cabin and the lifting ring, a locking block is installed on the end of the extension rod, and a locking ring for fixing the two components is provided at the connection position between the extension rod and the locking block. A second elastic member is also provided inside the trigger cabin, and the second elastic member is specifically installed between the sealing plate and the inner wall surface of the trigger cabin close to the lifting ring. The four corners of the interior of the trigger cabin are fixedly connected to the in-place limiting plates, and the top of the trigger cabin is connected to the pressure pipe connected to the diversion cabin.

[0013] Furthermore, the gear ratio of the first drive gear and the gear ring is one to three. When the first drive gear rotates three times through the drive of the driver, the gear ring rotates one circle inside the first mounting ring. The driver is connected to an external power supply, the laser welding head is connected to an external power supply, and the ring welding base is only in contact with the first mounting ring but not connected.

[0014] Furthermore, the speed ratio of the second driving gear to the first driven gear is three to one. When the second driving gear rotates one circle, the first driven gear rotates three circles. Two locking plates for fixing are provided on the exhaust chamber, and the locking plates are connected to the exhaust mounting seat.

[0015] Furthermore, the oil pressure chamber, the flow channel, the conveying ring and the diversion chamber are filled with hydraulic oil when no work is performed.

[0016] Furthermore, an exhaust hole is opened on one side of the trigger cabin, and the height of the exhaust hole is lower than the installation height of the in-place limiting plate. The trigger cabin is designed in a "U" shape when viewed from above.

[0017] The beneficial effects of the present invention are:

[0018] The present invention provides a welding device for automobile parts processing, which is provided with a ring welding assembly. The gear ring rotates inside the first mounting ring. The rotation of the gear ring drives the ring welding base to rotate. The rotation of the ring welding base drives the adjusting column, nut, first elastic member, first pressure plate and laser welding head connected thereto to rotate around the center of the gear ring. When the laser welding head rotates around the circle of the gear ring, the first mounting ring welds the object to be welded within the circle of the gear ring. When the device is performing a circular link, it can perform annular welding around the weld, thereby ensuring its accuracy while avoiding the problem of weak welds caused by the user needing to frequently rotate and adjust the welding position during welding.

[0019] By providing an exhaust component, the user can deal with the harmful gases generated during welding, avoiding the problem of harmful gases being inhaled by the workers. At the same time, when the exhaust component is working, it will also accelerate the air flow at the welding position, further providing auxiliary effect for cooling during welding.

[0020] By providing a fixing assembly, the four locking blocks will align the center of the welding object with the center of the gear ring, assisting in the fixation of the welding object, enabling the center of the welding object to be aligned with the center of the ring welding assembly, and providing necessary guarantees for the normal welding of the ring welding assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which constitute part of the present invention, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 This is an overall schematic diagram of a welding device for processing automobile parts in the present invention;

[0023] Figure 2 It is a schematic diagram of the ring welding assembly;

[0024] Figure 3 for Figure 2 A is an enlarged schematic diagram;

[0025] Figure 4 This is a schematic diagram of the main view of the exhaust component;

[0026] Figure 5 It is a side view schematic diagram of the exhaust assembly;

[0027] Figure 6 Schematic diagram of removing the shell of the exhaust component;

[0028] Figure 7 It is a schematic diagram of the fixed components;

[0029] Figure 8 Schematic diagram of the locking structure;

[0030] Among them, the reference numerals in the figures are:

[0031] 1. Ring welding assembly; 101. Welding frame; 102. First mounting ring; 103. Gear ring; 104. First drive gear; 105. Second drive gear; 106. Driver; 107. Ring welding base; 108. Adjustment column; 109. Nut; 110. First elastic member; 111. First pressure plate; 112. Laser welding head; 2. Exhaust assembly; 201. Exhaust mounting base; 203. Exhaust chamber; 204. Purifier; 205. Transmission mounting frame; 206. First driven gear; 207. Exhaust duct; 208. First transmission ring; 209. Drive belt; 210. Second drive ring; 211. Turbofan; 3. Fixing assembly; 301. Center fixing frame; 302. Lifting ring; 303. Locking structure; 304. Diversion chamber; 305. Conveying ring; 306. Mounting head; 307. Flow channel; 308. Oil pressure chamber; 309. Electric telescopic rod; 3031. Trigger chamber; 3032. Pressure pipe; 3033. Sealing plate; 3034. Extension rod; 3035. Second elastic member; 3036. In-position limiting plate; 3037. Locking block; 3038. Locking ring. DETAILED DESCRIPTION

[0032] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0033] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts should fall within the scope of protection of the present invention.

[0034] Before using the sauna room wood board punching device, it is necessary to strictly follow the standardized operating procedures and conduct a comprehensive and detailed inspection of each component of the device to ensure that the components are tightly connected and precisely coordinated. At the same time, observe the stability and smoothness of the device during operation through a no-load trial run, and promptly check for potential hidden dangers such as component wear, looseness, or abnormal jamming, so as to ensure that the device can be put into actual production operations stably and efficiently.

[0035] Example 1

[0036] like Figure 1-Figure 3As shown, the present invention provides a welding device for automobile parts processing, including a ring welding assembly 1 for performing ring motion welding around a circular welding object, the ring welding assembly 1 includes a first mounting ring 102, the internal rotation of the first mounting ring 102 is connected to a gear ring 103, one side of the gear ring 103 is meshed with a first driving gear 104, the back of the first driving gear 104 is provided with a driver 106, the first driving gear 104 is fixedly connected to the output shaft of the driver 106, a laser welding head 112 that rotates with the gear ring 103 is provided on the inner wall of the gear ring 103, the interior of the gear ring 103 is fixedly connected to a ring welding base 107, two adjusting columns 108 are installed on the top of the ring welding base 107, the outer walls of the two adjusting columns 108 are both provided with threads, the outer walls of the two adjusting columns 108 are also slidably connected to first pressing plates 111, the opposite surfaces of the two first pressing plates 111 are fixedly connected to the laser welding head 112, the two adjusting columns 1 08 is threadedly connected with a nut 109, and a first elastic member 110 is provided between the two adjusting columns 108 and the ring welding base 107. The specific setting position of the first elastic member 110 is on the outer wall of the two adjusting columns 108. A notch is provided on one side of the first mounting ring 102, and the gear ring 103 is exposed to the outside of the first mounting ring 102 at the notch position. The gear ring 103 is provided with a number of meshing teeth for engaging the first driving gear 104. The bottom of the first mounting ring 102 is fixedly connected to the welding frame 101. The gear ratio of the first driving gear 104 and the gear ring 103 is one to three. When the first driving gear 104 is driven by the driver 106 to rotate three times, the gear ring 103 rotates one circle inside the first mounting ring 102. The driver 106 is connected to an external power supply, the laser welding head 112 is connected to an external power supply, and the ring welding base 107 is only in contact with the first mounting ring 102 and is not connected.

[0037] When using the device, the user locks the two pipes through the fixing component 3 so that the centers of the two welding objects coincide with the center of the gear ring 103. When the driver 106 is powered on and rotated, the driver 106 drives the first driving gear 104 to rotate. When the first driving gear 104 rotates, the first driving gear 104 drives the gear ring 103 engaged therewith to rotate inside the first mounting ring 102. The rotation of the gear ring 103 drives the ring welding base 107 to rotate. The rotation of the ring welding base 107 drives the connected adjusting column 108, nut 109, first elastic member 110, first pressure plate 111 and laser welding head 112 to rotate around the center of the gear ring 103. When the laser welding head 112 rotates around the circle of the gear ring 103, the first mounting ring 102 welds around the object to be welded that is within the circle of the gear ring 103.

[0038] When the diameter of the object to be welded changes, the user can rotate the two transmission belts 209 to cause the first pressure plate 111 to slide on the adjusting column 108. When the nut 109 is rotated forward, the nut 109 will push the two first pressure plates 111 to move downward on the adjusting column 108. The two first pressure plates 111 move downward, causing the laser welding head 112 to move downward. When the two first pressure plates 111 move downward, the two first pressure plates 111 will compress the first elastic member 110. When the nut 109 is rotated backward, the pressure of the first elastic member 110 is released, and the first elastic member 110 will push the first pressure plate 111 to move upward on the adjusting column 108. The upward movement of the two 11s causes the laser welding head 112 to move upward, thereby adjusting the position of the laser welding head 112 to adapt to the welding requirements of circular welds of different diameters.

[0039] By providing the ring welding assembly 1, the device can perform ring welding around the weld when performing circular segments, thereby ensuring its accuracy while avoiding the problem of weak welds caused by the user needing to frequently rotate the welding position of the strip during welding.

[0040] Example 2

[0041] like Figure 4-Figure 6As shown, the present invention provides a welding device for automobile parts processing, the top of the driver 106 is provided with an exhaust assembly 2 for absorbing welding gas and processing it, the exhaust assembly 2 includes an exhaust chamber 203, one side of the exhaust chamber 203 is connected to an exhaust duct 207 extending to the circumferential welding assembly 1 and close to the midpoint of the circumferential welding assembly 1, a turbofan 211 is provided inside the exhaust chamber 203, the transmission shaft of the turbofan 211 passes through the exhaust chamber 203 and extends to the outside of the exhaust chamber 203, a purifier 204 is installed on the top of the exhaust chamber 203, the output shaft of the driver 106 is still the same and is fixedly connected to the second driving gear 105, the top of the second driving gear 105 is meshed with the first driven gear 206, two transmission mounting brackets 205 are provided on the connecting shaft of the first driven gear 206, the two transmission mounting brackets 205 are 05 is fixedly connected to an exhaust mounting seat 201 on one side, and one end of the first driven gear 206 is fixedly connected to the second transmission ring 210. The transmission shaft of the turbofan 211 passes through one end and is fixedly connected to the first transmission ring 208. The first transmission ring 208 and the second transmission ring 210 are positioned vertically. A transmission belt 209 for transmitting the first transmission ring 208 and the second transmission ring 210 is provided between the first transmission ring 208 and the second transmission ring 210. One side of the exhaust mounting seat 201 is fixedly connected to one side of the first mounting ring 102. The speed ratio of the second drive gear 105 and the first driven gear 206 is three to one. When the second drive gear 105 rotates one circle, the first driven gear 206 rotates three circles. Two locking plates for fixing are provided on the exhaust compartment 203, and the locking plates are connected to the exhaust mounting seat 201.

[0042] When the driver 106 rotates, the driver 106 drives the second driving gear 105 to rotate, and the rotation of the second driving gear 105 drives the first driven gear 206 engaged therewith to rotate. The first driven gear 206 transmits the rotational force to the first transmission ring 208 through the connecting rod. The first transmission ring 208 drives the second transmission ring 210 to rotate through the transmission belt 209. The rotation of the second transmission ring 210 drives the turbofan 211 to rotate inside the exhaust chamber 203. The turbofan 211 rotates, absorbs the harmful gases generated during welding through the exhaust duct 207, and purifies and discharges them through the purifier 204.

[0043] By providing an exhaust component 2, the user can deal with the harmful gases generated during welding, avoiding the problem of harmful gases being inhaled by the workers. At the same time, when the exhaust component 2 is working, it will also accelerate the air flow at the welding position, further providing an auxiliary effect for cooling during welding.

[0044] Example 3:

[0045] like Figure 7-Figure 8As shown, the present invention provides a welding device for automobile parts processing, wherein both sides of the circumferential welding component 1 are provided with a fixing component 3 with the same height as the circumferential welding component 1, the fixing component 3 includes two central fixing frames 301, a lifting ring 302 is installed between the two central fixing frames 301, four locking structures 303 are provided on the lifting ring 302, one side of the four locking structures 303 are connected to a diversion cabin 304, one side of the four diversion cabins 304 is provided with a conveying ring 305, a mounting head 306 is provided on the conveying ring 305, one side of the mounting head 306 is connected to a flow channel 307, one side of the flow channel 307 is connected to an oil pressure cabin 308, and one side of the oil pressure cabin 308 is installed with an electric telescopic rod 309. The locking structure 303 includes a trigger cabin 3031, a sealing plate 3033 is slidably provided inside the trigger cabin 3031, a protruding rod 3034 is fixedly connected to one side of the sealing plate 3033 and passes through one side of the trigger cabin 3031 and the frame ring 302, a locking block 3037 is installed at the end of the protruding rod 3034, and a locking ring 3038 is provided at the connection position between the protruding rod 3034 and the locking block 3037 for fixing the two components, and a second elastic member 3035 is further provided inside the trigger cabin 3031, and the second elastic member 3035 is specifically installed on the sealing plate 303 3 and the inner wall surface of the trigger cabin 3031 near the side of the lifting ring 302, the four corners of the trigger cabin 3031 are fixedly connected with the in-place limiting plates 3036, the top of the trigger cabin 3031 is connected with the pressure pipe 3032 connected to the diversion cabin 304, the oil pressure cabin 308, the flow channel 307, the conveying ring 305 and the diversion cabin 304 are filled with hydraulic oil when not in use, and an exhaust hole is opened on one side of the trigger cabin 3031, the height of the exhaust hole is lower than the installation height of the in-place limiting plate 3036, and the trigger cabin 3031 is designed in the shape of a "U" when viewed from above.

[0046] After the user places the two welding objects in the middle of the fixing assembly 3 and aligns the welding positions, the user starts the electric telescopic rod 309, so that the electric telescopic rod 309 squeezes the hydraulic oil inside the oil pressure chamber 308 into the trigger chamber 3031 through the flow channel 307, the mounting head 306, the conveying ring 305, and the diversion chamber 304. The hydraulic oil pushes the sealing plate 3033 to work, and the movement of the sealing plate 3033 drives the extension rod 3034 to move. The sealing plate 3033 moves to compress the second elastic member 3035, and the extension rod 3034 moves to cause the locking block 3037 connected thereto to move. Due to the series connection, at the pressure limit, the four locking blocks 3037 will align the center of the welding object with the center of the gear ring 103, thereby assisting in the fixation of the welding object.

[0047] By providing the fixing component 3 , the center of the welded object can be aligned with the center of the girth welding component 1 , providing necessary guarantees for the normal welding of the girth welding component 1 .

[0048] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A welding device for automobile parts processing, characterized in that: The invention relates to a ring welding assembly (1) for performing ring-shaped welding around a circular welding object, wherein the ring welding assembly (1) comprises a first mounting ring (102), wherein the first mounting ring (102) is internally connected to a gear ring (103), wherein one side of the gear ring (103) is meshed with a first driving gear (104), wherein a driver (106) is provided on the back of the first driving gear (104), wherein the first driving gear (104) is fixedly connected to an output shaft of the driver (106), and wherein a laser welding head (112) is provided on the inner wall of the gear ring (103) and rotates following the gear ring (103); The top of the driver (106) is provided with an exhaust assembly (2) for absorbing welding gas and processing the same. The exhaust assembly (2) includes an exhaust chamber (203). One side of the exhaust chamber (203) is connected to an exhaust duct (207) extending to the circumferential welding assembly (1) and close to the midpoint of the circumferential welding assembly (1). A turbofan (211) is provided inside the exhaust chamber (203). The transmission shaft of the turbofan (211) passes through the exhaust chamber (203) and extends to the outside of the exhaust chamber (203). A purifier (204) is installed on the top of the exhaust chamber (203).

2. The welding device for automobile parts processing according to claim 1, characterized in that: The gear ring (103) is fixedly connected to a ring welding base (107) inside, and two adjusting columns (108) are installed on the top of the ring welding base (107). The outer walls of the two adjusting columns (108) are provided with threads. The outer walls of the two adjusting columns (108) are also slidably connected to a first pressure plate (111), and the opposite surfaces of the two first pressure plates (111) are fixedly connected to a laser welding head (112). The outer walls of the two adjusting columns (108) are threadedly connected to nuts (109), and a first elastic member (110) is provided between the two adjusting columns (108) and the ring welding base (107). The specific setting position of the first elastic member (110) is on the outer walls of the two adjusting columns (108).

3. The welding device for automobile parts processing according to claim 1, characterized in that: A notch is provided on one side of the first mounting ring (102), and the gear ring (103) is exposed outside the first mounting ring (102) at the notch. The gear ring (103) is provided with a plurality of meshing teeth for engaging with the first driving gear (104). The bottom of the first mounting ring (102) is fixedly connected to a welding frame (101).

4. The welding device for automobile parts processing according to claim 1, characterized in that: The output shaft of the driver (106) is still the same one that is fixedly connected to the second driving gear (105), the top of the second driving gear (105) is meshed with the first driven gear (206), two transmission mounting frames (205) are provided on the connecting shaft of the first driven gear (206), one side of the two transmission mounting frames (205) are fixedly connected to the exhaust mounting seat (201), one end of the connecting shaft of the first driven gear (206) is fixedly connected to the second transmission ring (210), the transmission shaft of the turbofan (211) passes through one end and is fixedly connected to the first transmission ring (208), the first transmission ring (208) and the second transmission ring (210) are positioned perpendicularly, and a transmission belt (209) for transmitting the first transmission ring (208) and the second transmission ring (210) is provided between the first transmission ring (208) and the second transmission ring (210), and one side of the exhaust mounting seat (201) is fixedly connected to one side of the first mounting ring (102).

5. The welding device for automobile parts processing according to claim 1, characterized in that: Both sides of the ring welding assembly (1) are provided with fixing assemblies (3) of the same height as the ring welding assembly (1), the fixing assembly (3) comprising two central fixing frames (301), a lifting ring (302) being installed between the two central fixing frames (301), four locking structures (303) being provided on the lifting ring (302), one side of each of the four locking structures (303) being connected to a diversion chamber (304), one side of each of the four diversion chambers (304) being provided with a conveying ring (305), a mounting head (306) being provided on the conveying ring (305), one side of the mounting head (306) being connected to a flow channel (307), one side of the flow channel (307) being connected to an oil pressure chamber (308), and one side of the oil pressure chamber (308) being provided with an electric telescopic rod (309).

6. The welding device for automobile parts processing according to claim 5, characterized in that: The locking structure (303) comprises a trigger chamber (3031), a sealing plate (3033) is slidably provided inside the trigger chamber (3031), a protruding rod (3034) which passes through one side of the trigger chamber (3031) and the erection ring (302) is fixedly connected to one side of the sealing plate (3033), a locking block (3037) is installed at the end of the protruding rod (3034), and a locking block (3037) is provided at the connection position between the protruding rod (3034) and the locking block (3037) for fixing the two components. A locking ring (3038) is provided inside the trigger chamber (3031), and a second elastic member (3035) is provided therein. The second elastic member (3035) is specifically installed between the sealing plate (3033) and the inner wall surface of the trigger chamber (3031) close to the lifting ring (302). The four corners inside the trigger chamber (3031) are fixedly connected with the position limiting plates (3036). The top of the trigger chamber (3031) is connected to the pressure pipe (3032) connected to the diversion chamber (304).

7. The welding device for automobile parts processing according to claim 2, characterized in that: The gear ratio of the first driving gear (104) and the gear ring (103) is one to three. When the first driving gear (104) is driven by the driver (106) to rotate three times, the gear ring (103) rotates one circle inside the first mounting ring (102). The driver (106) is connected to an external power source, the laser welding head (112) is connected to an external power source, and the ring welding base (107) is only in contact with the first mounting ring (102) but not connected.

8. The welding device for automobile parts processing according to claim 4, characterized in that: The speed ratio of the second driving gear (105) to the first driven gear (206) is three to one. When the second driving gear (105) rotates one circle, the first driven gear (206) rotates three circles. Two locking plates for fixing are provided on the exhaust chamber (203), and the locking plates are connected to the exhaust mounting seat (201).

9. The welding device for automobile parts processing according to claim 6, characterized in that: The oil pressure chamber (308), the flow channel (307), the conveying ring (305) and the diversion chamber (304) are filled with hydraulic oil when not in operation.

10. The welding device for automobile parts processing according to claim 6, characterized in that: An exhaust hole is provided on one side of the trigger chamber (3031), the height of the exhaust hole being lower than the installation height of the in-place limiting plate (3036), and the trigger chamber (3031) is designed in the shape of a "U" when viewed from above.

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