A welding system and method for automobile manufacturing

Abstract

The present invention provides a welding system and method for automobile manufacturing, which belongs to the technical field of automobile parts welding, and comprises a bottom transverse moving module, on which a fastening module is installed, an L-shaped mounting plate is installed on one side of the bottom transverse moving module, a top transverse moving module is installed at the upper end of the L-shaped mounting plate, a longitudinal moving module is installed at the lower end of the top transverse moving module, and a welding module is installed at the lower end of the longitudinal moving module; the welding module comprises an electric slide rail, on which an electric slider is slidably connected, an electric telescopic rod is installed at the lower end of the electric slider, and a welding machine body is installed at the output end of the electric telescopic rod. The present invention solves the problem that the existing automobile manufacturing welding system needs to manually convert the welding surface during use, which not only has labor intensity, but also greatly reduces the welding speed, affecting the production speed.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile parts welding, and in particular relates to a welding system and method for automobile manufacturing. Background Art

[0002] Automobile is a vehicle that has its own power to drive and can be driven without tracks or electricity. In a broad sense, vehicles that are driven by their own mechanical energy are generally called automobiles. Automobiles are generally composed of four basic parts: engine, chassis, body and electrical equipment. Automobile parts welding is a key link in the manufacturing of automobile parts and bodies, and plays a special role in connecting the upper and lower parts. At the same time, there are many models of automobile products, complex forming structures, specialized and standardized production of parts, and comprehensive requirements for automobile manufacturing in terms of quality, efficiency and cost, so it is necessary to use welding equipment to weld automobile parts.

[0003] In the existing automobile manufacturing welding system, when welding automobile parts, the automobile parts are first fastened, and then the fastened parts are moved and brought close to each other, and then welded by a welding machine. After welding on one side is completed, it is necessary to manually switch the welding surface, and then the welding machine will weld the welding part of the surface. Not only the labor intensity but also the welding speed will be greatly reduced, thus affecting the production speed. Summary of the invention

[0004] The present invention provides a welding system and method for automobile manufacturing, which aims to solve the problem that the existing welding system for automobile manufacturing needs to manually switch the welding surface during use, which not only increases the labor intensity, but also greatly reduces the welding speed, affecting the production speed.

[0005] An embodiment of the present invention provides a welding system for automobile manufacturing, comprising a bottom transverse moving module, a fastening module is mounted on the bottom transverse moving module, an L-shaped mounting plate is mounted on one side of the bottom transverse moving module, a top transverse moving module is mounted on the upper end of the L-shaped mounting plate, a longitudinal moving module is mounted on the lower end of the top transverse moving module, and a welding module is mounted on the lower end of the longitudinal moving module;

[0006] The welding module comprises an electric slide rail, an electric slider is slidably connected to the electric slide rail, an electric telescopic rod is installed at the lower end of the electric slider, and a welding machine body is installed at the output end of the electric telescopic rod;

[0007] The fastening module comprises a workbench and a bearing seat vertically fixed on the workbench, the bearing seat being screwed to a rotating disc at one end farther from the workbench, a connecting rod being installed through the middle of the rotating disc, the connecting rod being able to move on the rotating disc, the connecting rod being fixed to a concave seat at one end facing the vertical center line of the workbench, a pair of fastening plates being installed in the concave seat, a fastening chamber being formed between the walls facing the pair of fastening plates, an assembly seat being fixed to the outer wall surface of the bearing seat, the connecting rod passing through the assembly seat, the connecting rod passing through the outer surface of the rotating disc at one end being fixed to a circle, a hoop tube being fixed to the assembly seat, an arched plate being fixed to a wall surface of the hoop tube facing the circle, and the assembly rod being fixed to a wall surface of the circle facing the hoop tube. The end of the assembly rod farther from the circle touches the wall of the hoop tube and the wall of the arched piece; the fastening piece is fixedly connected to a movable rod on a wall outside the concave seat; the movable rod passes through one end of the concave seat and is provided with a movable shaft; the outer wall of the rotating circular piece is fixedly connected to the assembly piece; the assembly piece has a long circular groove reserved for embedding the movable shaft; the long circular groove is skewed; a number of variable rods are passed through and installed on the wall of the fastening piece; a connecting groove is reserved on the wall of the fastening piece for the changing rod to pass through; a connecting space connected to the connecting groove is reserved in the fastening piece; a concave excretion channel is reserved on the outer peripheral surface of the changing rod; a hollow piece is arranged in the connecting space; the hollow piece is movably arranged in the connecting space; the changing rod passes through one end in the connecting space and is fixedly connected to the hollow piece.

[0008] Furthermore, the bottom transverse moving module includes a bottom plate, a pair of upper opening slide grooves are reserved inside the bottom plate, a lead screw is screwed into the slide groove, the thread openings of the lead screw in the pair of slide grooves are in opposite directions, the outer surface of the lead screw is threadedly connected to a pair of sliders, the pair of sliders are respectively located in a corresponding pair of slide grooves, the upper end of the slider is connected to the bottom of the fastening module, one side of the bottom plate is fixedly connected to a motor, and the rotating part of the motor is connected to one end of the lead screw.

[0009] Furthermore, a track is fixedly connected to the inner wall surface of the bearing seat, a variable platform is movably installed on the track, the variable platform is fixedly connected to the same bearing platform, a plurality of bearing rods are fixedly connected to the upper wall surface of the bearing platform, a linear push rod is fixedly connected to the upper wall surface of the workbench, and the telescopic end of the linear push rod is fixedly connected to the lower wall surface of the bearing platform.

[0010] Furthermore, the end of the connecting rod farther from the concave seat is fixedly connected to the constraint cylinder, the outer surface of the connecting rod is clamped with a spiral beryllium copper wire, and the two ends of the spiral beryllium copper wire are respectively in contact with the assembly seat and the constraint cylinder.

[0011] Furthermore, a second motor is mounted on the outer wall surface of the bearing seat, the rotating portion of the second motor passes through the bearing seat and is fixedly connected to the linkage disc, the first rotating disc passes through one end of the bearing seat and a second rotating disc is mounted, a plurality of teeth are reserved at equal intervals on the outer circumferential surfaces of the second rotating disc and the linkage disc, and the second rotating disc and the linkage disc are engaged with each other via the teeth.

[0012] Furthermore, a connector connected to the connection space is arranged on the wall surface of the fastening plate.

[0013] Furthermore, two spiral beryllium copper wires are arranged in the connection space, and two ends of the two spiral beryllium copper wires are respectively in contact with the hollow sheet and the wall surface of the connection space.

[0014] Furthermore, the top lateral moving module includes a slide groove 2 reserved on the upper end of the L-shaped mounting plate, a lead screw 2 is screwed into the slide groove 2, a slider 2 is screwed to the outer surface of the lead screw 2, the lower end of the slider 2 is connected to the top of the welding module, and a motor 3 is fixedly connected to one side of the upper end of the L-shaped mounting plate, and the rotating part of the motor 3 is connected to one end of the lead screw 2.

[0015] A welding method for automobile manufacturing, comprising the above-mentioned welding system for automobile manufacturing, further comprising the following steps:

[0016] Step S1: placing the welding automobile parts in a fastening chamber formed by a pair of fastening plates, fastening the welding automobile parts through the fastening plates, turning on the power supply of the second motor, when the second motor pulls the linkage disc to rotate, the second rotating disc is pulled to rotate, when the second rotating disc is rotated, the first rotating disc is pulled to rotate, when the first rotating disc rotates, the welding automobile parts are fastened in the fastening plates, and then the welding automobile parts and the rotating disc are rotated together, in addition, the steel ball on the assembly rod moves from the wall of the hoop tube to the wall of the arched plate, and then the connecting rod is pulled to move toward the vertical center line of the workbench, so that the movable shaft moves in the long circular groove toward the inside of the fastening chamber, and then the pair of fastening plates are pulled close to each other, and the fastening plates are fastened to the welding automobile parts, and then the linear push rod moves, and the extension of the linear push rod drives the bearing platform to move upward until the bearing rod and the surface of the welding automobile parts are in contact;

[0017] Step S2: the motor 1 pulls the lead screw 1 to rotate, and the lead screw 1 allows a pair of sliders 1 to move in the slide groove 1, and then allows the welded automobile parts fastened by the fastening module on the pair of sliders 1 to approach each other, so that the welding parts of the welded automobile parts are close to each other;

[0018] Step S3: Motor 3 is activated, and motor 3 drives lead screw 2 to rotate, and lead screw 2 causes slider 2 to move, and then the welding module assembled on slider 2 moves to the welding position;

[0019] Step S4: When the welding module moves to the welding position, the electric telescopic rod extends to move the welding machine body to the welding position close to the welding automobile part, and the electric slide moves on the electric slide rail, and then the welding machine body performs mobile welding on the welding automobile part;

[0020] Step S5: When the welding of one side is completed, the linear push rod is retracted to pull the bearing platform downward, and then the second motor is activated to rotate the rotating disc one half a circle to change the side of the welded automobile part, and then the welded part of the welded automobile part is directed toward the bearing platform, and then the linear push rod is re-extended to allow the welding machine body to perform welding on the welding part of the welded automobile part;

[0021] Step S6: After welding is completed, the welded automobile parts can be removed from the fastening module.

[0022] The beneficial effects of the present invention are:

[0023] 1. The present invention fastens the welded automobile parts through the fastening module, and then allows the welded automobile parts fastened on the fastening module to approach each other through the bottom lateral moving module, and then allows the welding points to be attached to each other, and then the top lateral moving module is actuated to move the welding module to the welding point, and the longitudinal moving module is actuated to pull the welding module to change longitudinally, and then the mobile welding of the welded automobile parts is performed. After one side of the welding is completed, the fastening module is rotated to replace the welding surface, and no manual replacement is required, which greatly reduces the labor intensity and also speeds up the welding speed, thereby speeding up the production speed.

[0024] 2. The present invention fastens the welded automobile parts through the fastening module, then welds the welded automobile parts through the welding machine body, then changes the surface of the welded automobile parts with one side welded, and then the welding machine body welds the other side of the welded automobile parts. It is very convenient to use and greatly speeds up the processing speed. By rotating the rotating disc, one end of the assembly rod moves on the wall surface of the hoop tube and the wall surface of the arched sheet, and then the connecting rod can be pulled to move. When the connecting rod changes, the concave seat is pulled to move, and then the movable shaft moves in the long circular groove. Then, a pair of fastening plates can be pulled close to each other, so that the pair of fastening plates can perform fastening on the welded automobile parts; when the fastening plates perform fastening on the welded automobile parts, the changing rod moves into the fastening plates, and during the period when the changing rod moves into the fastening plates, the drainage channel is slowly connected with the connecting space, and the hydraulic transmission oil in the connecting space flows from the drainage channel to the wall surface of the welded automobile parts, so that when the welded automobile parts are fully fastened by the fastening plates, the hydraulic transmission oil flows between the wall surface of the fastening plates and the welded automobile parts, thereby reducing the wear of the fastening plates on the welded automobile parts.

[0025] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 It is a schematic diagram of the main structure of an embodiment of the present invention;

[0028] Figure 2 It is a schematic cross-sectional structure diagram of a bottom lateral movement module according to an embodiment of the present invention;

[0029] Figure 3 This is a schematic diagram of the top lateral movement module structure of an embodiment of the present invention;

[0030] Figure 4 This is a schematic diagram of the front structural view of a fastening module according to an embodiment of the present invention;

[0031] Figure 5 For the embodiment of the present invention Figure 4 A schematic cross-sectional structure diagram of ;

[0032] Figure 6 It is a schematic diagram of the top view of the fastening module according to an embodiment of the present invention;

[0033] Figure 7 This is a schematic diagram of the front structural view of a fastening module according to an embodiment of the present invention;

[0034] Figure 8 Schematic diagram of the assembly structure of the rotating disc 1, the connecting rod and the concave seat according to the embodiment of the present invention Figure 1 ;

[0035] Fig. 9 Schematic diagram of the assembly structure of the rotating disc 1, the connecting rod and the concave seat according to the embodiment of the present invention Figure 2 ;

[0036] Fig.10 The diagram of the assembly structure of the rotating disc 1, the connecting rod and the concave seat of the embodiment of the present invention is shown in FIG. Figure 3 ;

[0037] Fig.11 It is a schematic diagram of the disassembled structure of the rotating disc 1, the connecting rod and the concave seat according to an embodiment of the present invention;

[0038] Fig.12 For the embodiment of the present invention Fig.11 A schematic cross-sectional structure diagram of ;

[0039] Fig.13 For the embodiment of the present invention Fig.12 A schematic diagram of the structure at M of FIG.

[0040] Figure numerals: 1, bottom lateral movement module; 2, fastening module; 3, L-shaped mounting plate; 4, top lateral movement module; 5, longitudinal movement module; 6, welding module; 11, bottom plate; 12, slide groove 1; 13, lead screw 1; 14, slider 1; 15, motor 1; 21, workbench; 22, bearing seat; 23, linear push rod; 24, bearing table; 25, connector; 26, motor 2; 27, assembly seat; 28, rotating disc 1; 29, linkage disc; 210, concave seat; 211, fastening plate; 212, assembly plate; 213, hoop; 214, spiral beryllium copper Wire one; 215, constraint cylinder; 216, connecting rod; 217, rotating disc two; 218, circle; 219, steel ball; 220, arched piece; 221, assembly rod; 222, variable rod; 223, movable rod; 224, movable shaft; 225, oblong groove; 226, excretion channel; 227, hollow piece; 228, spiral beryllium copper wire two; 229, connecting space; 230, connecting groove; 41, slide groove two; 42, lead screw two; 43, slider two; 44, motor three; 61, electric slide rail; 62, electric slider; 63, electric telescopic rod; 64, welding machine body. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of specific embodiments of the present invention. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Embodiment 1

[0043] Reference Figure 1-Figure 13 An embodiment of the present invention provides a welding system for automobile manufacturing, comprising a bottom lateral moving module 1, a fastening module 2 is installed on the bottom lateral moving module 1, an L-shaped mounting plate 3 is installed on one side of the bottom lateral moving module 1, a top lateral moving module 4 is installed at the upper end of the L-shaped mounting plate 3, a longitudinal moving module 5 is installed at the lower end of the top lateral moving module 4, and a welding module 6 is installed at the lower end of the longitudinal moving module 5.

[0044] The welded automobile parts are fastened by the fastening module 2, and then the welded automobile parts fastened on the fastening module 2 are brought close to each other through the bottom lateral moving module 1, and then the welding points are made to stick together, then the top lateral moving module 4 is actuated to move the welding module 6 to the welding point, and the longitudinal moving module 5 is actuated to pull the welding module 6 to move longitudinally, and then the mobile welding of the welded automobile parts is performed. When one side of the welding is completed, the fastening module 2 is rotated to replace the welding surface without manual replacement, which greatly reduces the labor intensity and speeds up the welding speed, thereby speeding up the production speed.

[0045] Reference Figure 1 and Figure 2 The bottom lateral moving module 1 includes a bottom plate 11, a pair of upper opening slide grooves 12 are reserved inside the bottom plate 11, a lead screw 13 is screwed in the slide groove 12, the threaded ends of the lead screw 13 in the pair of slide grooves 12 are in opposite directions, the outer surface of the lead screw 13 is threadedly connected to a pair of sliders 14, the pair of sliders 14 are respectively in the corresponding pair of slide grooves 12, the upper ends of the sliders 14 are connected to the bottom of the fastening module 2, and a motor 15 is fixedly connected to one side of the bottom plate 11, and the rotating part of the motor 15 is connected to one end of the lead screw 13.

[0046] The motor 15 pulls the lead screw 13 to rotate, and the lead screw 13 allows a pair of sliders 14 to move in the slide groove 12, and then allows the welded automobile parts fastened by the fastening module 2 on the pair of sliders 14 to approach each other, so that the welding points of the welded automobile parts are close to each other, so that the welding module 6 can weld the welded automobile parts.

[0047] Reference Figure 4-Figure 13 The fastening module 2 includes a workbench 21 and a support base 22 vertically fixed to the workbench 21. The end of the support base 22 farther from the workbench 21 is screwed to a rotating disc 28. A connecting rod 216 is installed in the middle of the rotating disc 28. A protrusion is installed on the connecting rod 216. A notch is reserved on the rotating disc 28 for the protrusion to be embedded. The connecting rod 216 can rotate together with the rotating disc 28, and the connecting rod 216 can be rotated along the rotating disc 28. The length direction of the rotating disc 1 28 is changed. The outer wall surface of the bearing seat 22 is provided with a motor 26. The rotating part of the motor 26 penetrates the bearing seat 22 and is fixedly connected to the linkage disc 29. The rotating disc 1 28 penetrates the bearing seat 22 and is provided with a rotating disc 217 at one end. A plurality of teeth are reserved at equal intervals on the outer circumferences of the rotating disc 217 and the linkage disc 29. The rotating disc 217 and the linkage disc 29 are engaged with each other through the teeth.

[0048] The inner wall surface of the bearing seat 22 is fixedly connected to a track, and a variable platform is movably installed on the track. The variable platform is fixedly connected to the same bearing platform 24. A plurality of bearing rods are fixedly connected to the upper wall surface of the bearing platform 24. The bearing rods on the bearing platform 24 support the welded automobile parts to ensure the stable placement of the welded automobile parts. The upper wall surface of the workbench 21 is fixedly connected to a linear push rod 23. The telescopic end of the linear push rod 23 is fixedly connected to the lower wall surface of the bearing platform 24. Through the action of the linear push rod 23, the linear push rod 23 pulls the bearing platform 24 to change vertically, and then pulls the bearing rods to change vertically.

[0049] The connecting rod 216 is fixedly connected to the concave seat 210 at one end facing the vertical center line of the workbench 21. A pair of fastening plates 211 are arranged in the concave seat 210. The wall surfaces facing the pair of fastening plates 211 form a fastened chamber. The outer wall surface of the bearing seat 22 is fixedly connected to the assembly seat 27. The connecting rod 216 passes through the assembly seat 27. The outer surface of the connecting rod 216 passing through the rotating disc 28 is fixedly connected to the circle 218. The assembly seat 27 is fixedly connected to the hoop 213. The wall surface of the hoop 213 facing the circle 218 is fixedly connected to the arched piece 220 (refer to Figure 8 ), the circle 218 is fixedly connected to a wall surface facing the hoop tube 213, and the end of the assembly rod 221 that is farther from the circle 218 touches the wall surface of the hoop tube 213 and the wall surface of the arched sheet 220, and the fastening sheet 211 is fixedly connected to a movable rod 223 on a wall surface facing the outside of the concave seat 210 (refer to Fig.11 ), a movable rod 223 passes through one end of the concave seat 210 and is provided with a movable shaft 224, and an assembly piece 212 is fixedly connected to the outer wall of the rotating disc 28, and the assembly piece 212 reserves an oblong groove 225 for the movable shaft 224 to be embedded, and the oblong groove 225 is obliquely arranged, and the end of the assembly rod 221 farther from the circle 218 is screwed with a steel ball 219, and the steel ball 219 moves from the wall of the hoop tube 213 to the wall of the arched piece 220, and then pulls the connecting rod 216 to move toward the vertical center line of the workbench 21;

[0050] The welding automobile parts are placed in a fastening chamber formed by a pair of fastening plates 211, and the welding automobile parts are fastened through the fastening plates 211. The power of the motor 26 is turned on. When the motor 26 pulls the linkage disc 29 to rotate, the linkage disc 29 rotates, and the second rotating disc 217 is pulled to rotate. When the rotating disc 217 rotates, the first rotating disc 28 is pulled to rotate. When the rotating disc 28 rotates, the welding automobile parts are fastened in the fastening plates 211, and then the welding automobile parts and the rotating disc 217 are rotated. The sheet 28 rotates together, and the steel ball 219 on the assembly rod 221 moves from the wall surface of the hoop tube 213 to the wall surface of the arched sheet 220, and then pulls the connecting rod 216 to move toward the vertical center line of the workbench 21, so that the movable shaft 224 moves toward the inside of the fastening chamber in the long circular groove 225, and then pulls a pair of fastening sheets 211 to approach each other, and the fastening sheets 211 perform fastening on the welding material. After the rotating circular sheet 28 rotates half a circle, the other side of the welding automobile part is replaced for welding;

[0051] The end of the connecting rod 216 that is farther from the concave seat 210 is fixedly connected to the restraining cylinder 215. The outer surface of the connecting rod 216 is clamped with the spiral beryllium copper wire 214. The two ends of the spiral beryllium copper wire 214 are respectively in contact with the assembly seat 27 and the restraining cylinder 215. When the connecting rod 216 moves toward the vertical center line of the workbench 21, the restraining cylinder 215 presses the spiral beryllium copper wire 214 to shorten it, so that the shape of the spiral beryllium copper wire 214 changes.

[0052] A plurality of variable rods 222 are installed through the wall of the fastening sheet 211. A connecting groove 230 is reserved on the wall of the fastening sheet 211 for the variable rods 222 to pass through. A connecting space 229 connected to the connecting groove 230 is reserved in the fastening sheet 211. A concave excretion channel 226 is reserved on the outer peripheral surface of the variable rod 222. A hollow sheet 227 is installed in the connecting space 229. The hollow sheet 227 is movably installed in the connecting space 229. One end of the variable rod 222 passes through the connecting space 229 and is fixedly connected to the hollow sheet 227. A connector 25 connected to the connecting space 229 is installed on the wall of the fastening sheet 211. A spiral beryllium copper wire 228 is installed in the connecting space 229. The two ends of the spiral beryllium copper wire 228 are respectively in contact with the hollow sheet 227 and the wall of the connecting space 229.

[0053] At the beginning, the spiral beryllium copper wire 228 presses the hollow sheet 227, so that the hollow sheet 227 moves toward the outside of the fastening sheet 211, and the change rod 222 extends outside the fastening sheet 211, and the drainage channel 226 is outside the fastening sheet 211. The end of the change rod 222 closes the connection groove 230 on the fastening sheet 211, and the hydraulic transmission oil in the connection space 229 cannot leak out from the connection groove 230. When the welded automobile parts are fastened, the fastening sheets 211 approach each other, so that the welded automobile parts press the change rod 222, and the change rod 222 moves toward the connection space 229. The inside of the changing rod 222 changes, and the changing rod 222 moves to the connecting space 229. During the movement of the changing rod 222, the drainage channel 226 slowly moves to the connecting groove 230 until the drainage channel 226 and the connecting space 229 are connected. The hydraulic transmission oil in the connecting space 229 flows from the drainage channel 226 to the wall of the welded automobile part. When the welded automobile part is fully fastened by the fastening plate 211, hydraulic transmission oil flows between the wall of the fastening plate 211 and the welded automobile part, reducing the wear of the fastening plate 211 on the welded automobile part. In addition, the hydraulic transmission oil can be filled into the connecting space 229 through the connector 25.

[0054] The top transverse moving module 4 includes a slide groove 41 reserved at the upper end of the L-shaped mounting plate 3, a lead screw 42 is screwed in the slide groove 41, the outer surface of the lead screw 42 is screwed to a slider 43, the lower end of the slider 43 is connected to the top of the welding module 6, and one side of the upper end of the L-shaped mounting plate 3 is fixedly connected to a motor 3 44, and the rotating part of the motor 3 44 is connected to one end of the lead screw 42.

[0055] When the welding module 6 needs to be moved to the welding position, the motor three 44 is activated, the motor three 44 pulls the lead screw two 42 to rotate, the lead screw two 42 causes the slider two 43 to move, and then the welding module 6 assembled on the slider two 43 is moved to the welding position.

[0056] The welding module 6 comprises an electric slide rail 61 , on which an electric slider 62 is slidably connected, an electric telescopic rod 63 is arranged at the lower end of the electric slider 62 , and a welding machine body 64 is arranged at the output end of the electric telescopic rod 63 .

[0057] When the welding module 6 moves to the welding position, the electric telescopic rod 63 extends to move the welding machine body 64 to the welding position close to the welding automobile parts, and the electric slider 62 moves on the electric slide rail 61, and then the welding machine body 64 performs mobile welding on the welding automobile parts, and then performs rapid welding on the welding automobile parts.

[0058] Embodiment 2

[0059] A welding method for automobile manufacturing comprises the following steps:

[0060] Step S1: Place the welding automobile parts in the fastening chamber formed by a pair of fastening plates 211, fasten the welding automobile parts through the fastening plates 211, turn on the power of the motor 26, and when the motor 26 pulls the linkage disc 29 to rotate, it pulls the rotating disc 217 to rotate, and when the rotating disc 217 rotates, it pulls the rotating disc 1 28 to rotate. When the rotating disc 1 28 rotates, the welding automobile parts are fastened in the fastening plates 211, and then the welding automobile parts and the rotating disc 1 28 rotate together. In addition, the assembly rod The steel ball 219 on 221 moves from the wall surface of the hoop tube 213 to the wall surface of the arched sheet 220, and then pulls the connecting rod 216 to move toward the vertical center line of the workbench 21, so that the movable shaft 224 moves toward the inside of the fastening chamber in the long circular groove 225, and then pulls a pair of fastening sheets 211 to approach each other, and the fastening sheets 211 fasten the welded automobile parts, and then the linear push rod 23 moves, and the extension of the linear push rod 23 drives the bearing platform 24 to move upward until the bearing rod and the surface of the welded automobile parts are in contact;

[0061] Step S2: The motor 15 pulls the lead screw 13 to rotate, and the lead screw 13 allows a pair of sliders 14 to move in the slide groove 12, and then allows the welded automobile parts fastened by the fastening module 2 on the pair of sliders 14 to approach each other, so that the welding parts of the welded automobile parts are close to each other;

[0062] Step S3: The motor 3 44 is activated, the motor 3 44 pulls the lead screw 2 42 to rotate, the lead screw 2 42 causes the slider 2 43 to move, and then the welding module 6 mounted on the slider 2 43 moves to the welding position;

[0063] Step S4: When the welding module 6 moves to the welding position, the electric telescopic rod 63 extends to move the welding machine body 64 to the welding position close to the welding automobile part, and the electric slide block 62 moves on the electric slide rail 61, and then the welding machine body 64 performs mobile welding on the welding automobile part;

[0064] Step S5: When the welding of one side is completed, the linear push rod 23 is retracted, and the support platform 24 is pulled downward, and then the motor 2 26 is actuated to rotate the rotating disc 1 28 half a circle, so that the welded automobile part changes sides, and then the welded part of the welded automobile part is directed toward the support platform 24, and then the linear push rod 23 is re-extended, so that the welding machine body 64 performs welding on the welding part of the welded automobile part;

[0065] Step S6: After welding is completed, the welded automobile parts can be removed from the fastening module 2.

[0066] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A welding system for automobile manufacturing, characterized in that: It comprises a bottom transverse moving module (1), a fastening module (2) is mounted on the bottom transverse moving module (1), an L-shaped mounting plate (3) is mounted on one side of the bottom transverse moving module (1), a top transverse moving module (4) is mounted on the upper end of the L-shaped mounting plate (3), a longitudinal moving module (5) is mounted on the lower end of the top transverse moving module (4), and a welding module (6) is mounted on the lower end of the longitudinal moving module (5); The welding module (6) comprises an electric slide rail (61), an electric slider (62) is slidably connected to the electric slide rail (61), an electric telescopic rod (63) is installed at the lower end of the electric slider (62), and a welding machine body (64) is installed at the output end of the electric telescopic rod (63); The fastening module (2) comprises a workbench (21) and a bearing seat (22) vertically fixed to the workbench (21); the end of the bearing seat (22) farther from the workbench (21) is screwed to a rotating disc (28); a connecting rod (216) is installed through the middle of the rotating disc (28); the connecting rod (216) can move on the rotating disc (28); the end of the connecting rod (216) facing the vertical center line of the workbench (21) is fixed to a concave seat (210); a pair of fastening plates (211) are installed in the concave seat (210); the pair of fastening plates (211) The outer wall surface of the bearing seat (22) is fixedly connected to the assembly seat (27), the connecting rod (216) penetrates the assembly seat (27), the outer surface of the connecting rod (216) penetrating the rotating disc (28) is fixedly connected to the circle (218), the assembly seat (27) is fixedly connected to the hoop tube (213), the wall surface of the hoop tube (213) facing the circle (218) is fixedly connected to the arched sheet (220), the wall surface of the circle (218) facing the hoop tube (213) is fixedly connected to the assembly rod (221), and the assembly rod (221) is 1.5 meters away from the hoop tube (27). The far end of the circle (218) touches the wall of the hoop tube (213) and the wall of the arched sheet (220); the fastening sheet (211) is fixedly connected to a movable rod (223) on a wall facing the outside of the concave seat (210); the movable rod (223) penetrates through one end of the concave seat (210) and is provided with a movable shaft (224); the outer wall of the rotating circular sheet (28) is fixedly connected to an assembly sheet (212); the assembly sheet (212) is reserved with an elongated groove (225) for embedding the movable shaft (224); the elongated groove (225) is skewed; the wall of the fastening sheet (211) penetrates through and is provided with a movable shaft (224); A plurality of variable rods (222) are provided, a connecting groove (230) for the variable rods (222) to pass through is reserved on the wall surface of the fastening plate (211), a connecting space (229) connected to the connecting groove (230) is reserved in the fastening plate (211), a concave excretion channel (226) is reserved on the outer peripheral surface of the variable rod (222), a hollow plate (227) is arranged in the connecting space (229), the hollow plate (227) is movably arranged in the connecting space (229), and one end of the variable rod (222) passes through the connecting space (229) and is fixedly connected to the hollow plate (227).

2. A welding system for automobile manufacturing according to claim 1, characterized in that: The bottom transverse moving module (1) comprises a bottom plate (11), a pair of upper opening slide grooves (12) are reserved inside the bottom plate (11), a lead screw (13) is screwed into the slide grooves (12), the threaded ends of the lead screws (13) in the pair of slide grooves (12) are in opposite directions, the outer surface of the lead screw (13) is screwed into a pair of sliders (14), the pair of sliders (14) are respectively located in the corresponding pair of slide grooves (12), the upper ends of the sliders (14) are connected to the bottom of the fastening module (2), one side of the bottom plate (11) is fixedly connected to a motor (15), and the rotating part of the motor (15) is connected to one end of the lead screw (13).

3. The welding system for automobile manufacturing according to claim 1, characterized in that: A track is fixedly connected to the inner wall surface of the bearing seat (22), a variable platform is movably mounted on the track, the variable platform is fixedly connected to the same bearing platform (24), a plurality of bearing rods are fixedly connected to the upper wall surface of the bearing platform (24), a linear push rod (23) is fixedly connected to the upper wall surface of the workbench (21), and the telescopic end of the linear push rod (23) is fixedly connected to the lower wall surface of the bearing platform (24).

4. The welding system for automobile manufacturing according to claim 1, characterized in that: The end of the connecting rod (216) farther from the concave seat (210) is fixedly connected to the restraining tube (215), and the outer surface of the connecting rod (216) is clamped with a spiral beryllium copper wire (214), and the two ends of the spiral beryllium copper wire (214) are respectively in contact with the assembly seat (27) and the restraining tube (215).

5. The welding system for automobile manufacturing according to claim 1, characterized in that: A second motor (26) is mounted on the outer wall surface of the bearing seat (22); a rotating portion of the second motor (26) penetrates the bearing seat (22) and is fixedly connected to the linkage disc (29); the first rotating disc (28) penetrates one end of the bearing seat (22) and is mounted with a second rotating disc (217); a plurality of teeth are reserved at equal intervals on the outer circumferences of the second rotating disc (217) and the linkage disc (29); the second rotating disc (217) and the linkage disc (29) are engaged with each other via the teeth.

6. The welding system for automobile manufacturing according to claim 1, characterized in that: A connector (25) connected to the connection space (229) is arranged on the wall surface of the fastening plate (211).

7. The welding system for automobile manufacturing according to claim 1, characterized in that: A second spiral beryllium copper wire (228) is arranged in the connecting space (229), and two ends of the second spiral beryllium copper wire (228) are respectively in contact with the hollow sheet (227) and the wall surface of the connecting space (229).

8. The welding system for automobile manufacturing according to claim 1, characterized in that: The top transverse moving module (4) comprises a second slide groove (41) reserved at the upper end of the L-shaped mounting plate (3), a second lead screw (42) being screwed into the second slide groove (41), a second slider (43) being screwed to the outer surface of the second lead screw (42), a lower end of the second slider (43) being connected to the top of the welding module (6), a motor three (44) being fixedly connected to one side of the upper end of the L-shaped mounting plate (3), and a rotating part of the motor three (44) being connected to one end of the second lead screw (42).

9. A welding method for automobile manufacturing, comprising a welding system for automobile manufacturing according to any one of claims 1 to 8, characterized in that: It also includes the following steps: Step S1: placing the welding automobile part in a fastening chamber formed by a pair of fastening plates (211), fastening the welding automobile part through the fastening plates (211), turning on the power of the second motor (26), when the second motor (26) pulls the linkage disc (29) to rotate, the second rotating disc (217) is pulled to rotate, when the second rotating disc (217) rotates, the first rotating disc (28) is pulled to rotate, when the first rotating disc (28) rotates, because the welding automobile part is fastened in the fastening plates (211), the welding automobile part and the first rotating disc (28) are rotated together, and in addition, the assembly rod (2 The steel ball (219) on the workbench (21) moves from the wall surface of the hoop tube (213) to the wall surface of the arched sheet (220), and then pulls the connecting rod (216) to move toward the vertical center line of the workbench (21), so that the movable shaft (224) moves in the long circular groove (225) toward the inside of the fastening chamber, and then pulls a pair of fastening sheets (211) to approach each other, and the fastening sheets (211) fasten the welded automobile parts, and then the linear push rod (23) moves, and the extension of the linear push rod (23) drives the bearing platform (24) to move upward until the bearing rod and the surface of the welded automobile parts are in contact; Step S2: the motor 1 (15) pulls the lead screw 1 (13) to rotate, and the lead screw 1 (13) allows a pair of sliders 1 (14) to move in the slide groove 1 (12), and then allows the welded automobile parts fastened by the fastening module (2) on the pair of sliders 1 (14) to approach each other, so that the welding points of the welded automobile parts are close to each other; Step S3: the motor three (44) is activated, the motor three (44) pulls the lead screw two (42) to rotate, the lead screw two (42) causes the slider two (43) to move, and then the welding module (6) mounted on the slider two (43) moves to the welding position; Step S4: When the welding module (6) moves to the welding position, the electric telescopic rod (63) extends to move the welding machine body (64) to the welding position close to the welding automobile part, and the electric slide block (62) moves on the electric slide rail (61), and then the welding machine body (64) performs mobile welding on the welding automobile part; Step S5: When the welding of one side is completed, the linear push rod (23) is retracted to pull the supporting platform (24) downward, and then the second motor (26) is activated to rotate the rotating disc (28) half a circle to change the side of the welded automobile part, and then the welded part of the welded automobile part is directed toward the supporting platform (24), and then the linear push rod (23) is re-extended to allow the welding machine body (64) to perform welding on the welding part of the welded automobile part; Step S6: After welding is completed, the welded automobile parts can be removed from the fastening module (2).

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