A spot welding machine for automobile parts
By adopting the design of telescopic structure and absorbing components in the spot welding machine, the stability problems of the spot welding machine during movement and the problems of smoke, odor and impact force during welding are solved, achieving higher stability and health Safe welding environment.
Patent Information
- Application Number
- CN202411390428.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2044-10-08
AI Technical Summary
Existing spot welding machines for automotive accessories have reduced stability during movement, which poses safety risks, and may produce odors and smoke during welding, which may affect health, and impact forces may easily lead to deformation or damage to the stressed structure.
A spot welder for automotive accessories is designed, with telescopic structures and guide groove components for improved movement stability, and absorbing components are provided inside the kit of the spot weld head to neutralize and remove smoke and odors, using elastic material to buffer The downforce amount reduces the impact of impact on the structure.
It improves the movement stability and positioning effect of the spot welding machine, avoids the diffusion of smoke and odor, and reduces the damage to the structure by impact force during welding.
Smart Images

Figure CN118875451B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of welding, and in particular to a spot welding machine for automobile accessories. Background Art
[0002] Spot welding machine for automobile parts processing is a kind of equipment specially used for automobile parts processing. It adopts the principle of double-sided double-point overcurrent welding. When working, two electrodes pressurize the workpiece so that the two layers of metal form a certain contact resistance under the pressure of the two electrodes. When the welding current flows from one electrode to the other, an instantaneous heat fusion is formed at the two contact resistance points without damaging the internal structure of the welded workpiece. Spot welding machine is a kind of resistance welding equipment. It has the advantages of short heating time, concentrated heat, small solid heat affected zone, low welding cost, simple operation, etc. It is suitable for welding various metal materials. This equipment plays an important role in the automotive industry, especially in connecting metal parts. Spot welding machines are widely used in multi-spot projection welding and spot welding of automotive parts. Some of the common spot welding machines for automotive parts on the market have a moving wheel structure, which can easily lead to a decrease in the stability of the spot welding machine after moving to the appropriate position. Especially during the spot welding force process, there are safety hazards. During spot welding, odor and slight smoke will be generated, which will affect the health of the staff if inhaled. In addition, impact force will be generated during the spot welding process, which can easily cause the force-bearing structure to deform or be damaged. Summary of the invention
[0003] The disclosed embodiment relates to a spot welding machine for automobile accessories. During spot welding, water or vinegar is added to the interior of an absorbing component in advance. After the spot welding head moves downward, the bottom of the contact component is sealed and contacted with the top of the automobile accessory. During the spot welding process, smoke and odor are generated. The smoke and odor circulate in the interior of the kit and are then guided by the top of the kit to flow into the interior of the side piece. Then, the vinegar or water in the absorbing component neutralizes and removes the odor, eliminating the smoke and preventing the smoke and odor from spreading.
[0004] In a first aspect, the present disclosure provides a spot welding machine for automobile parts, specifically comprising: a spot welding machine body; a controller and a driver are arranged inside the spot welding machine body, a telescopic structure is installed above the front end of the spot welding machine body, an inner rod assembly is installed at the bottom of the spot welding machine body through a guide groove, the outer part of the inner rod assembly is fixedly connected to a support plate, two L-shaped support plates are supported on both sides of the bottom of the spot welding machine body, and guide assemblies are installed at the front ends of the two support plates through the support plates and the force-bearing plates, a bottom plate assembly is fixed at the bottom of the guide assembly, and the bottom end of the bottom plate assembly is made of flexible rubber material; a spot welding head; the spot welding head is fixedly connected above the front end welding position of the spot welding machine body, and a circular structure kit is externally mounted on the bottom end of the spot welding head, and the kit made of tempered glass is mounted on the spot welding head. The outside of the head can move up and down freely, the internal top of the kit is an inclined structure, the side of the kit is equipped with an absorption component through the side piece, and an inner cavity is opened inside the top of the absorption component made of sponge material; support structure; the support structure is installed above the front end of the spot welding machine body, and a T-shaped groove is opened on both sides of the top of the support structure, and the rear end of the support structure is inserted into the inside of the spot welding machine body. A sliding plate of a T-shaped structure is slidably installed inside the T-shaped groove, and freely rotatable rotating parts are embedded and installed on both sides of the bottom of the sliding plate. A long groove is provided on the top of the sliding plate, and a buffer structure is bonded and fixed inside the long groove. The bottom of the buffer structure is made of rubber material and the top is made of metal. The top of the buffer structure is welded and fixed with evenly arranged inclined plates, and the inclined plates made of elastic metal material are connected to the bottom of the top plate.
[0005] In at least some embodiments, two support rods are welded and fixed at the front end of the spot welding machine body, and two guide grooves are provided through the bottom of the spot welding machine body, the middle position of the guide groove is an inclined structure, the front end of the guide groove is a horizontal structure, and the rear end of the guide groove is a vertical structure; two freely rotatable rotating wheel assemblies are embedded and installed on both sides of the bottom of the spot welding machine body, the bottom end of the rotating wheel assembly protrudes from the bottom of the spot welding machine body, and the bottom of the rotating wheel assembly is flush with the bottom of the support plate after moving downward, and an inner rod assembly is penetrated inside each guide groove, and the outer ends of the two metal inner rod assemblies are welded and fixed to the support plate; a force-bearing plate is welded and fixed at the front ends of the two support plates, a guide assembly is penetrated inside the force-bearing plate, a round rod is penetrated in the middle position of the guide assembly, the bottom of the round rod is connected to the top of the bottom plate assembly, a spring is mounted on the outside of the round rod, the top of the round rod contacts the bottom of the force-bearing plate, and the bottom end of the round rod contacts the top of the bottom plate assembly.
[0006] In at least some embodiments, a slot of a T-shaped structure is provided above the front end of the spot welding head, and a contact component of a circular ring structure is adhesively fixed to the bottom of the kit, and the contact component is made of sponge material; a slide groove is provided on the top side of the kit, and a side piece of an L-shaped structure is fixed on the side of the kit, and the side piece of the hollow structure is connected to the interior of the kit, and two cross bars are fixed inside the side piece, and the cross bars are in contact with the bottom of the absorbing component and support the absorbing component; a slider component of an I-shaped structure is slidably installed inside the slide groove, and a bolt is inserted through the interior of the slider component, and the bolt is simultaneously inserted into the interior of the connecting head of the T-shaped structure, and the connecting head is inserted into the interior of the slot, and the bolt passes through the connecting head and is in contact and fixed with the interior of the slot.
[0007] In at least some embodiments, an auxiliary rod set obliquely is welded on both sides of the bottom of the supporting structure, and a T-shaped plug connector is welded and fixed on the bottom of the auxiliary rod, the plug connector is inserted into the front end of the supporting rod, and the bottom of the auxiliary rod is in contact with the top of the supporting rod; a control structure is fixed on the upper inner side of the plug connector, an L-shaped groove is provided inside the control structure, the top of the L-shaped groove is a circular structure, a fixed structure and a control part are inserted into the L-shaped groove, and the bottom end of the fixed structure is inserted into the inside of the supporting rod; a control part is welded and fixed to the top of the fixed structure, and a pulling rod is provided on both sides of the bottom of the top plate of the U-shaped structure.
[0008] The present invention provides a spot welding machine for automobile parts, which has the following beneficial effects:
[0009] When the spot welding machine body needs to be moved, the support plate can be pushed to move backward so that the inner rod assembly can be guided and displaced inside the guide groove. Since the middle position of the guide groove is an inclined structure, after the support plate moves backward, it is out of contact with the ground, and the fixation of the spot welding machine body is released. The spot welding machine body is pushed to move to the required position through the rotating wheel assembly, and then the support plate is controlled to move in the opposite direction. Since the front ends of the two guide grooves are horizontal structures, the two support plates are controlled to be in a horizontal state and limited. At the same time, the support plate presses down the bottom plate assembly with the help of elasticity, so that the bottom of the bottom plate assembly is in non-slip contact with the ground, thereby improving the positioning effect of the spot welding machine body. At the same time, after the support plate moves forward, the support area can be increased to prevent the spot welding machine body from tipping over after being subjected to force.
[0010] During spot welding, the auto parts are subjected to stress, and then the pressure of spot welding is transferred to the top plate. The top plate squeezes the inclined plate and the buffer structure, and with the help of the elasticity of the inclined plate and the buffer structure, the collision pressure is eliminated, so that the top plate drives the auto parts to actively displace and buffer the spot welding force, so that the bottom of the auto parts contacts the electrode pressurized workpiece at the bottom, to achieve positioning spot welding and avoid the impact force of spot welding, which causes deformation of the stressed parts.
[0011] When spot welding, water or vinegar is added to the inside of the absorbing component in advance. After the spot welding head moves downward, the bottom of the contact component is sealed with the top of the auto part. During the spot welding process, smoke and odor will be generated. The smoke and odor will flow inside the kit and then be guided by the top of the kit to flow into the inside of the side part. Then, the vinegar or water in the absorbing component will neutralize and remove the odor, eliminate smoke, and prevent the spread of smoke and odor. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.
[0013] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.
[0014] In the attached picture:
[0015] Figure 1 A three-dimensional structural schematic diagram of the present application is shown;
[0016] Figure 2 A bottom-up structural schematic diagram of the present application is shown;
[0017] Figure 3 The exploded three-dimensional structure diagram of the present application is shown;
[0018] Figure 4 A schematic diagram of the exploded bottom-up structure of the present application is shown;
[0019] Figure 5 The schematic diagram of the exploded three-dimensional structure of the spot welding machine body of the present application is shown;
[0020] Figure 6 The schematic diagram of the exploded three-dimensional structure and partial cross-section structure of the spot welding head of the present application is shown;
[0021] Figure 7 A schematic diagram of the exploded three-dimensional structure of the support structure of the present application is shown;
[0022] Figure 8 A schematic diagram of the support structure of the present application is shown as an exploded bottom view.
[0023] Reference numerals list
[0024] 1. Spot welding machine body; 101. Support rod; 102. Guide groove; 103. Rotating wheel assembly; 104. Inner rod assembly; 105. Support plate; 106. Force plate; 107. Guide assembly; 108. Bottom plate assembly;
[0025] 2. spot welding head; 201. slot; 202. kit; 203. contact part; 204. slide; 205. side part; 206. absorption part; 207. slider part; 208. connector;
[0026] 3. Support structure; 301. Auxiliary rod; 302. Plug connector; 303. Control structure; 304. Fixed structure; 305. Operating member; 306. Sliding plate; 307. Buffer structure; 308. Top plate. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment 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.
[0028] Example 1: Please refer to Figures 1 to 8 :
[0029] The present invention proposes a spot welding machine for automobile parts, comprising: a spot welding machine body 1; a controller and a driver are arranged inside the spot welding machine body 1; a telescopic structure is installed above the front end of the spot welding machine body 1 to generate spot welding pressure; an inner rod assembly 104 is installed at the bottom of the spot welding machine body 1 through a guide groove 102; the outer part of the inner rod assembly 104 is fixedly connected to a support plate 105; two support plates 105 of L-shaped structure are supported at both sides of the bottom of the spot welding machine body 1 to improve the support effect of the spot welding machine body 1; the front ends of the two support plates 105 are installed with guide assemblies 107 through the support plates 105 and the force-bearing plates 106; the guide assembly 1 07 is fixed with a bottom plate assembly 108, the bottom end of the bottom plate assembly 108 is made of flexible rubber material, which is used to contact and fix with the ground for non-slip positioning, thereby improving the positioning and fixing effect of the spot welding machine body 1, so that the support plate 105 is at the front end of the spot welding machine body 1, and is positioned and fixed, while improving the supporting strength; the spot welding head 2; the spot welding head 2 is fixedly connected above the front end welding position of the spot welding machine body 1, and the bottom end of the spot welding head 2 is externally sheathed with a circular structure kit 202, and the tempered glass material kit 202 is sheathed on the outside of the spot welding head 2 and can move up and down freely, and the internal top of the kit 202 is an inclined structure, so that smoke and odor are in the kit 202 The internal guide flow is arranged, and an absorption component 206 is installed on the side of the kit 202 through the side piece 205. An inner cavity is provided inside the top of the absorption component 206 made of sponge material, and vinegar or water can be added inside the inner cavity to block the smoke after it rises. At the same time, the vinegar or water neutralizes and eliminates the odor, thereby preventing the odor and smoke from spreading; the support structure 3; the support structure 3 is installed above the front end of the spot welding machine body 1, and a T-shaped groove is respectively provided on both sides of the top of the support structure 3, and the rear end of the support structure 3 is inserted into the inside of the spot welding machine body 1, and a sliding plate 306 of a T-shaped structure is slidably installed inside the T-shaped groove, and both sides of the bottom of the sliding plate 306 are embedded with a movable The freely rotating rotating part drives the sliding plate 306 and the top plate 308 to be freely pulled and drawn, so that the top plate 308 can drive the automobile parts to adjust the spot welding position. A long groove is provided on the top of the sliding plate 306, and a buffer structure 307 is bonded and fixed inside the long groove. The bottom of the buffer structure 307 is made of rubber material, and the top of the buffer structure 307 is made of metal material. The top of the buffer structure 307 is welded and fixed with evenly arranged inclined plates. The inclined plate of elastic metal material is connected to the bottom of the top plate 308, so that when the spot welding head 2 moves downward, the top plate 308 is forced to move downward, compressing the buffer structure 307 and the inclined plate, and eliminating the downward pressure on the spot welding force with the help of the elasticity of the two.
[0030] In the present disclosure, Figure 3 and Figure 5As shown, two support rods 101 are welded and fixed at the front end of the spot welding machine body 1, which are used to plug into the plug connector 302, so that the auxiliary rod 301 is stressed and the supporting strength of the supporting structure 3 is improved. Two guide grooves 102 are provided through the bottom of the spot welding machine body 1. The middle position of the guide groove 102 is an inclined structure. The front end of the guide groove 102 is a horizontal structure, and the rear end of the guide groove 102 is a vertical structure, so that the inner rod assembly 104 is guided to move inside it; two freely rotatable rotating wheel assemblies 103 are embedded and installed on both sides of the bottom of the spot welding machine body 1, and the bottom end of the rotating wheel assembly 103 protrudes from the bottom of the spot welding machine body 1, so that the spot welding machine body 1 can be smoothly moved by the rotating wheel assembly 103, which is convenient for adjusting the position, and the bottom of the rotating wheel assembly 103 moves downward The bottom of the supporting plate 105 is then flush, and an inner rod assembly 104 runs through the inside of each guide groove 102. The outer ends of the two metal inner rod assemblies 104 are welded and fixed to the supporting plates 105, driving the supporting plates 105 to move up and down and forward and backward together; a force-bearing plate 106 is welded and fixed to the front ends of the two supporting plates 105, and a guide assembly 107 runs through the inside of the force-bearing plate 106, and a round rod runs through the middle position of the guide assembly 107, and the bottom of the round rod is connected to the top of the bottom plate assembly 108. A spring is mounted on the outside of the round rod, and the top of the round rod contacts the bottom of the force-bearing plate 106, and the bottom end of the round rod contacts the top of the bottom plate assembly 108, continuously pushing the bottom plate assembly 108 to move downward, so that the bottom of the bottom plate assembly 108 is in non-slip contact and fixed to the ground.
[0031] In the present disclosure, Figure 4 and Figure 6 As shown, a T-shaped slot 201 is provided on the upper front end of the spot welding head 2, which is used to insert the connector 208 for connection. A contact part 203 with a circular ring structure is bonded and fixed to the bottom of the kit 202. The contact part 203 is made of sponge material and is used to fit and contact with the upper part of the automobile accessories to improve the sealing effect. A slide groove 204 is provided on the top side of the kit 202, and a side piece 205 with an L-shaped structure is fixed on the side of the kit 202. The side piece 205 with a hollow structure is connected to the interior of the kit 202, so that smoke and odor enter the interior of the side piece 205, so that the suction The receiving component 206 eliminates smoke and odor with the help of a medium. Two cross bars are fixed inside the side component 205. The cross bars are in contact with the bottom of the absorbing component 206 and support the absorbing component 206. An I-shaped slider component 207 is slidably installed inside the slide groove 204, so that the kit 202 can move up and down adaptively. Bolts are inserted through the inside of the slider component 207, and the bolts are also inserted into the inside of the T-shaped connector 208. The connector 208 is inserted into the inside of the slot 201. The bolts penetrate the connector 208 and are in contact with the inside of the slot 201 and are fixed.
[0032] In the present disclosure, Figure 7 and Figure 8As shown, an auxiliary rod 301 arranged obliquely is welded on both sides of the bottom of the supporting structure 3 to improve the supporting effect, a T-shaped plug connector 302 is welded and fixed on the bottom of the auxiliary rod 301, and the plug connector 302 is inserted into the front end of the supporting rod 101. After being connected together, the force supporting effect is improved, and the bottom of the auxiliary rod 301 contacts the top of the supporting rod 101; a control structure 303 is fixed on the inner upper side of the plug connector 302, and an L-shaped groove is arranged inside the control structure 303, and the top of the L-shaped groove is a circular structure, and a fixing structure 304 and a control member 305 are inserted into the L-shaped groove to guide the displacement, and the bottom end of the fixing structure 304 is inserted into the inside of the supporting rod 101; a control member 305 is welded and fixed on the top of the fixing structure 304, which is convenient for pulling the fixing structure 304 to rise, so that the supporting structure 3 can be released and the supporting structure 3 can be disassembled conveniently, and a pulling rod is respectively provided on both sides of the bottom of the top plate 308 of the U-shaped structure, which is convenient for controlling the supporting structure 3 to slide back and forth.
[0033] Embodiment 2, based on embodiment 1, a circular hole can be opened on the outer side of the support plate 105, so as to facilitate fixing the support plate 105 and the spot welding machine body 1 by bolts after the spot welding machine body 1 is in a proper position, thereby improving the supporting effect and stability.
[0034] The working principle of this embodiment is as follows: when the spot welding machine body 1 needs to be used, the support plate 105 is first pushed backward to make the inner rod assembly 104 slide and displace inside the guide groove 102, so that the support plate 105 rises, and the spot welding machine body 1 is pushed, so that the spot welding machine body 1 is displaced in contact with the ground through the rotating wheel assembly 103, so that the spot welding machine body 1 moves to the position where it needs to be used, and then the support plate 105 is pulled forward again to make the inner rod assembly 104 be at the front end of the guide groove 102. Since the front end of the guide groove 102 is a horizontal structure, it controls the support plate 105 to be fixed in a horizontal state, and at the same time presses down the spring and the bottom plate assembly 108 to make the bottom of the bottom plate assembly 108 firmly contact the ground, thereby improving the supporting effect and the fixing effect, and then pulls the control member 305 to rise, so that the support structure 3 is inserted into the interior of the spot welding machine body 1, and the plug connector 302 is inserted into the interior of the support rod 101, stops pulling the control member 305, and the bottom end of the fixed structure 304 is inserted into the support The top end of the support rod 101 is fixed inside to improve the fixing effect of the support structure 3. When spot welding, the automobile parts are controlled to be placed above the top plate 308, and then the top plate 308 is pushed to drive the automobile parts to move to the appropriate position, and then the spot welding machine body 1 is controlled to operate, so that the telescopic structure controls the spot welding head 2 to move downward, so that the contact component 203 first contacts the top of the automobile parts, and then the spot welding head 2 continues to move downward, so that the spot welding head 2 is in an adaptive position inside the kit 202, so that the spot welding head 2 contacts the automobile parts, and then the automobile parts are pressed down to force the top plate 308, and the inclined plate and the buffer structure 307 are pressurized. With the help of the elasticity of the two, the spot welding impact force is eliminated, and the automobile parts are spot welded. After the electric welding is completed, it circulates inside the kit 202 and the side piece 205, and then contacts the absorption component 206, so that the water or vinegar inside the absorption component 206 absorbs and eliminates smoke and odor, avoids the spread of odor and smoke, and quickly completes the spot welding of automobile parts.
[0035] In this article, there are a few points to note:
[0036] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.
[0037] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.
[0038] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. A spot welding machine for automobile parts, characterized in that: include: A spot welding machine body (1); a controller and a driver are provided inside the spot welding machine body (1); a telescopic structure is installed above the front end of the spot welding machine body (1); an inner rod assembly (104) is installed at the bottom of the spot welding machine body (1) through a guide groove (102); the outer portion of the inner rod assembly (104) is fixedly connected to a support plate (105); two L-shaped support plates (105) are supported on both sides of the bottom of the spot welding machine body (1); guide assemblies (107) are installed at the front ends of the two support plates (105) through the support plates (105) and a force plate (106); a bottom plate assembly (108) is fixed at the bottom of the guide assembly (107); and the bottom end of the bottom plate assembly (108) is The spot welding machine body (1) is made of flexible rubber; two support rods (101) are welded and fixed at the front end of the spot welding machine body (1); two guide grooves (102) are provided through the bottom of the spot welding machine body (1); the middle position of the guide groove (102) is an inclined structure; the front end of the guide groove (102) is a horizontal structure; and the rear end of the guide groove (102) is a vertical structure; two freely rotatable rotating wheel assemblies (103) are embedded and installed on both sides of the bottom of the spot welding machine body (1); the bottom end of the rotating wheel assembly (103) protrudes from the bottom of the spot welding machine body (1); the bottom of the rotating wheel assembly (103) is flush with the bottom of the support plate (105) after it moves downward; and each guide groove (102) has a An inner rod assembly (104), the outer ends of the two inner rod assemblies (104) made of metal are welded and fixed to a support plate (105); a spot welding head (2); the spot welding head (2) is fixedly connected above the front end welding position of the spot welding machine body (1); a circular structured kit (202) is sleeved on the outside of the bottom end of the spot welding head (2); the kit (202) made of tempered glass is sleeved on the outside of the spot welding head (2) and can move up and down freely; the inner top of the kit (202) is an inclined structure; an absorption component (206) is installed on the side of the kit (202) through a side piece (205); an inner cavity is opened inside the top of the absorption component (206) made of sponge material; a support structure (3); the support structure (3) is installed above the front end of the spot welding machine body (1), and a T-shaped groove is respectively opened on both sides of the top end of the support structure (3), and the rear end of the support structure (3) is inserted into the interior of the spot welding machine body (1), and a sliding plate (306) of a T-shaped structure is slidably installed inside the T-shaped groove, and freely rotatable rotating parts are embedded and installed on both sides of the bottom of the sliding plate (306), and a long groove is provided on the top end of the sliding plate (306), and a buffer structure (307) is bonded and fixed inside the long groove, and the bottom of the buffer structure (307) is made of rubber material and the top end is made of metal material. The top end of the buffer structure (307) is welded and fixed with evenly arranged inclined plates, and the inclined plates made of elastic metal material are connected to the bottom of the top plate (308).
2. A spot welding machine for automobile parts according to claim 1, characterized in that: A force-bearing plate (106) is welded and fixed to the front ends of the two support plates (105); a guide assembly (107) penetrates the interior of the force-bearing plate (106); a round rod penetrates the middle position of the guide assembly (107); the bottom of the round rod is connected to the top of the bottom plate assembly (108); a spring is sleeved on the outside of the round rod; the top of the round rod contacts the bottom of the force-bearing plate (106); and the bottom of the round rod contacts the top of the bottom plate assembly (108).
3. A spot welding machine for automobile parts according to claim 2, characterized in that: A T-shaped slot (201) is provided above the front end of the spot welding head (2), and a contact component (203) with a circular ring structure is bonded and fixed to the bottom of the kit (202), wherein the contact component (203) is made of sponge.
4. A spot welding machine for automobile parts according to claim 3, characterized in that: A sliding groove (204) is provided on the top side of the kit (202); a side piece (205) of an L-shaped structure is fixed to the side of the kit (202); the side piece (205) of a hollow structure is communicated with the interior of the kit (202); two cross bars are fixed inside the side piece (205); the cross bars are in contact with the bottom of the absorption component (206) and support the absorption component (206).
5. A spot welding machine for automobile parts according to claim 4, characterized in that: An I-shaped slider component (207) is slidably installed inside the slide groove (204), a bolt is inserted through the inside of the slider component (207), and the bolt is simultaneously inserted into the inside of a T-shaped connector (208), the connector (208) is inserted into the inside of the slot (201), and the bolt passes through the connector (208) and contacts and fixes with the inside of the slot (201).
6. A spot welding machine for automobile parts according to claim 5, characterized in that: An auxiliary rod (301) arranged obliquely is welded to both sides of the bottom of the support structure (3), a T-shaped plug connector (302) is welded and fixed to the bottom of the auxiliary rod (301), the plug connector (302) is inserted into the front end of the support rod (101), and the bottom of the auxiliary rod (301) is in contact with the top of the support rod (101).
7. A spot welding machine for automobile parts according to claim 6, characterized in that: A control structure (303) is fixed on the upper inner side of the plug connector (302); an L-shaped groove is provided inside the control structure (303); the top end of the L-shaped groove is a circular structure; a fixed structure (304) and a control member (305) are inserted into the L-shaped groove; and the bottom end of the fixed structure (304) is inserted into the support rod (101).
8. A spot welding machine for automobile parts according to claim 7, characterized in that: A control member (305) is welded and fixed to the top of the fixed structure (304), and a pulling rod is respectively provided on both sides of the bottom of the top plate (308) of the U-shaped structure.
