Automobile metal accessory welding device

Abstract

The invention discloses an automobile metal fitting welding device, relates to the technical field of welding, and aims to solve the technical problems that the operation steps are relatively tedious and the working efficiency is easily reduced when a sliding rail bracket and a nut are manually aligned on an inserting column, the automobile metal fitting welding device comprises a double-end welding machine main body, a positioning assembly and a locking assembly, the double-head welding machine body comprises an operation table and two welding guns, the positioning assembly is arranged on the top face of the operation table, the locking assembly is arranged in the positioning assembly, the positioning assembly comprises a supporting frame arranged on the top face of the operation table, a welding table is connected to the top face of the supporting frame, and a first positioning block and a second positioning block are arranged on the top face of the welding table in a sliding mode. And feeding assemblies are arranged on the top surfaces of the positioning block I and the positioning block II. The device has the advantages that the nuts and the sliding rail supports do not need to be manually placed one by one for alignment, the manual operation steps are greatly simplified, and the working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding, and more particularly to a welding device for automobile metal accessories. Background Art

[0002] The slide rail bracket is an important metal accessory of the automobile, which is usually made of metal material; the slide rail bracket is an important link between the seat and the car body. During the automobile manufacturing process, when installing the seat, the nut is welded on the slide rail bracket in advance, and then the installation of the slide rail bracket and the seat can be easily completed using bolts and tools, making the entire installation process more standardized and efficient. If the slide rail bracket does not have a nut welded in advance, each time the seat component is installed, the worker may need to use a complex clamp to temporarily fix the bolt, or connect it through self-tapping screws, etc., which is not only inefficient, but also prone to inaccurate installation position. The slide rail bracket has a welded nut, and the worker only needs to screw the bolt directly into the nut to quickly and accurately complete the installation of the seat component.

[0003] The existing welding device usually requires manual work to first place the slide rail bracket on the welding table, and put the two holes on the slide rail bracket on the two plug posts on the welding table, insert the plug posts out of the holes, position the slide rail bracket, and then put the nut on the plug posts above the holes of the slide rail bracket to position the nut, and finally weld the metal of the contact part between the nut and the slide rail bracket through a double-head welding machine. This method requires the staff to constantly align the slide rail bracket and the nut on the plug posts. The operation steps are relatively cumbersome and easily lead to reduced work efficiency. In addition, when the nut is placed manually, the welding machine may be accidentally turned on, posing a safety hazard. In view of this, we propose a welding device for automotive metal accessories. Summary of the invention

[0004] The purpose of the present invention is to provide a welding device for automobile metal accessories to solve the technical problem that the operation steps of manually aligning a slide rail bracket and a nut on a plug column are relatively cumbersome and easily lead to reduced work efficiency.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a welding device for automobile metal accessories, comprising a double-head welding machine body, a positioning assembly and a locking assembly; wherein the double-head welding machine body comprises an operating table and two welding guns, and the welding guns are used to weld the contact parts between the nut and the slide rail bracket; the positioning assembly is arranged on the top surface of the operating table, and the locking assembly is arranged inside the positioning assembly; the positioning assembly comprises a support frame arranged on the top surface of the operating table, a welding table is connected to the top surface of the support frame, and a positioning block 1 and a positioning block 2 are slidably arranged on the top surface of the welding table, and a feeding assembly is arranged on the top surfaces of the positioning block 1 and the positioning block 2; the positioning assembly is used to position the slide rail bracket; the feeding assembly is used to transfer the nut into the top surface of the slide rail bracket and position it; the locking assembly is used to connect and lock the nut with the slide rail bracket.

[0006] Preferably, the side wall of the support frame is connected to a support plate, the top surface of the support plate is provided with two wheel rails, the bottom surface of the support plate is connected to a plurality of diagonal support rods, and the bottom surface of the diagonal support rods is connected to the side wall of the support frame; the side wall of the support frame is installed with a motor 1, the side wall of the welding platform is connected with a fixed plate, the output end of the motor 1 is connected with a rotating rod, the rotating rod passes through the top surface of the support plate and the top surface of the fixed plate, the rotating rod is rotatably matched with the top surface of the support plate and the top surface of the fixed plate, the circumferential outer wall of the rotating rod is provided with a gear, and the gear is arranged between the support plate and the fixed plate.

[0007] Preferably, two arc-shaped grooves are provided on the top of the soldering station, two sockets are opened from top to bottom on the top surface of the soldering station, the sockets are vertically aligned with the welding gun, and a T-shaped slide groove is provided on the bottom surface of the inner cavity of the soldering station; wherein, the arc-shaped groove is used to place the slide rail bracket; and, two arc-shaped protrusions matching with the arc-shaped grooves are provided on the bottom of the positioning block one, the bottom of the positioning block one is slidably matched with the top of the soldering station through the arc-shaped protrusions, and the bottom of the positioning block two has the same structure as the bottom of the positioning block one.

[0008] Preferably, one side wall of the positioning block is connected to a transmission plate 1, and a plurality of tooth openings 1 are provided on one side wall of the transmission plate, and the transmission plate 1 is meshed and connected with the gear through the plurality of tooth openings 1; the second side wall of the positioning block is connected to an extension plate, and the side wall of the extension plate is integrally formed with a transmission plate 2, and a plurality of tooth openings 2 are provided on the side wall of the transmission plate 2, and the transmission plate 2 is meshed and connected with the gear through the plurality of tooth openings 2.

[0009] Preferably, a plurality of pulleys cooperating with the wheel rails are arranged on the bottom surfaces of the transmission plate 1 and the transmission plate 2, and the transmission plate 1 and the transmission plate 2 are slidably matched with the wheel rails through the pulleys.

[0010] Preferably, the feeding assembly includes a material frame arranged on a top surface of the positioning block, the top surface of the material frame is provided with a material trough, the material trough is an inclined structure, two material discharge plates are arranged at the lower end of the material trough, the side walls of the material discharge plates are connected to the inner side walls of the material frame, the material discharge plates are horizontal flat plate structures, and a plug-in channel is formed between the two material discharge plates; wherein, a recess is provided on the side wall of the lower end of the material frame, a support column is arranged in the recess, and the circumferential outer wall of the support column is rotatably connected to the limiting plate; the other side wall of the lower end of the material frame is connected to a fixed block, the side wall of the fixed block is provided with a plurality of clamping grooves and movable grooves, a fixed column is arranged inside the movable groove, and a torsion spring is sleeved on the circumferential outer wall of the fixed column, one end of the torsion spring is arranged in the clamping groove, and the other end is arranged on the side wall of the limiting plate.

[0011] Preferably, the locking assembly includes two motors arranged on the top surface of the operating table and multiple support blocks, the output end of the two motors is connected to a screw rod, the screw rod is arranged in the inner cavity of the support frame, the screw rod passes through the support block and rotates with the support block, the circumferential outer wall of the screw rod is provided with two external thread threads in opposite directions; the circumferential outer wall of the screw rod is threadedly connected to two symmetrically arranged push plates, one end of the push plate is provided with a push surface, a push block is arranged above the push surface, the top surface of the push block is connected to a plug column that fits the socket, the upper end of the plug column is arranged in the inner cavity of the socket, the circumferential outer wall of the plug column is sleeved with an elastic spring, and the elastic spring is arranged between the socket and the push block.

[0012] Preferably, the push plate is an L-shaped plate structure, and a T-shaped sliding block matching with the T-shaped sliding groove is provided on the bottom surface of the push plate, and the push plate is slidably matched with the T-shaped sliding groove through the T-shaped sliding block.

[0013] Preferably, the push surface is an inclined structure, and the bottom surface of the push block is arranged as an inclined structure matching the push surface, and the push surface is used to squeeze the bottom surface of the push block to make the push block move up and down.

[0014] Preferably, the method for using the automotive metal parts welding device comprises the following steps:

[0015] S1, loading operation, after putting a plurality of nuts into the material trough for standby use, then put the slide rail bracket on the welding table, so that the bottom of the side wall of the slide rail bracket is placed in the arc-shaped groove;

[0016] S2, positioning operation, through the operation of motor 1, the gear is driven to rotate, and further the transmission plate 1 and the transmission plate 2 are driven to move toward each other, so that the positioning block 1 and the positioning block 2 are synchronously slid toward each other in the arc groove, and at the same time, the feeding components on the top of the positioning block 1 and the positioning block 2 follow the movement, the positioning block 1 and the positioning block 2 clamp and fix the slide rail bracket, and the slide rail bracket is centered on the welding table, so that the hole of the slide rail bracket is aligned with the socket on the top surface of the welding table, the plug-in channel of the feeding component is aligned with the hole of the slide rail bracket, and the inner cavity of the nut on the top surface of the blanking plate is further aligned with the hole of the slide rail bracket. At this time, the position of the nut and the slide rail bracket is positioned and fixed;

[0017] S3, locking operation, through the work of motor 2, driving the screw to rotate, so that the two symmetrically arranged push plates move towards each other on the screw, the push surface of the push plate will squeeze the bottom surface of the push block during the movement, causing the push block to move upward, driving the plug column to move upward, the plug column is inserted upward from the insertion hole into the hole of the slide rail bracket, and through the insertion channel into the inner cavity of the nut, at this time, the plug column locks the slide rail bracket and the nut;

[0018] S4, welding operation, through the reverse rotation of motor 1, so that positioning block 1 and positioning block 2 synchronously slide back to each other in the arc-shaped groove, the feeding assembly on the top of positioning block 1 and positioning block 2 follows the movement and moves away from the slide rail bracket, and the nut on the top surface of the unloading plate is locked by the plug column, so that the nut squeezes the two limit plates, and the two limit plates are forced to be in an open state, so that the material frame can be pulled away from the nut on the top surface of the unloading plate. After separation, the two limit plates are acted on by the elastic force of the torsion spring to form a closed state, forming a enclosure for the remaining nuts in the material trough to prevent scattering. At this time, the main body of the double-head welding machine is driven to move down the two welding guns on the nut on the top surface of the slide rail bracket to weld the contact part between the nut and the slide rail bracket. After welding is completed, the slide rail bracket can be directly removed.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The present invention designs the feeding component on the positioning component. When the positioning component positions the slide rail bracket on the welding table, it can drive the feeding component to synchronously transfer the nut to the top surface of the slide rail bracket and position it. Then, the nut and the slide rail bracket are connected and locked by the locking component. Then, the positioning component is withdrawn so that the nut and the slide rail bracket are stably and firmly locked on the welding table by the locking component. The welding operation is performed by the double-head welding machine body. There is no need to manually place and align the nut and the slide rail bracket one by one, which greatly simplifies the steps of manual operation and improves work efficiency. In the process of placing the nut, even if the welding machine fails to start by mistake, it is difficult to cause harm to the staff, thereby improving safety.

[0021] 2. The present invention also enables the transmission plate 1 and the transmission plate 2 to move toward each other synchronously, so that the positioning block 1 and the positioning block 2 can slide toward each other synchronously in the arc-shaped groove, which can ensure that the positioning block 1 and the positioning block 2 can center the slide rail bracket on the welding table every time. At the same time, the positioning block 1 and the positioning block 2 drive the material frame on the top to move synchronously. When the positioning block 1 and the positioning block 2 center the slide rail bracket on the welding table, the bottoms of the two blanking plates in the material frame are aligned with the holes of the slide rail bracket. At this time, the inner cavity of the nut on the top surface of the blanking plate is aligned with the hole of the slide rail bracket, and the nut and the slide rail bracket are accurately positioned, which is beneficial to improve the accuracy of the locking assembly when connecting and locking the nut and the slide rail bracket.

[0022] 3. The present invention also uses two symmetrically arranged push plates to move toward each other on the screw rod. The push surfaces of the push plates will squeeze the bottom surface of the push block during the movement, prompting the push block to move upward, driving the plug post to move upward, and the plug post is inserted upward from the insertion hole into the hole of the slide rail bracket, and through the insertion channel into the inner cavity of the nut. At this time, the plug post locks the slide rail bracket and the nut, ensuring that the slide rail bracket and the nut are stable and firm during welding, and it is difficult to misalign, thereby improving the accuracy of welding.

[0023] 4. The present invention also makes the positioning block 1 and the positioning block 2 slide back to back in the arc-shaped groove synchronously, and the feeding components on the top of the positioning block 1 and the positioning block 2 follow the movement and move away from the slide rail bracket. The nuts on the top surface of the unloading plate are locked by the plug column, so that the nuts squeeze the two limit plates. The two limit plates are forced to be in an open state, so that the material frame can be pulled away from the nuts on the top surface of the unloading plate. After separation, the two limit plates are acted upon by the elastic force of the torsion spring to form a closed state, thereby forming a enclosure for the remaining nuts in the material trough to prevent them from scattering. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the main structure of the double-head welding machine of the present invention;

[0026] Figure 3 It is a schematic diagram of the first perspective of the positioning component structure of the present invention;

[0027] Figure 4 It is a schematic diagram of the second viewing angle of the positioning component structure of the present invention;

[0028] Figure 5 It is an enlarged schematic diagram of the structure of point A of the present invention;

[0029] Figure 6 It is a schematic diagram of the disassembly of the positioning component structure of the present invention;

[0030] Figure 7 It is a schematic diagram of the support frame and welding platform structure of the present invention;

[0031] Figure 8 It is a schematic diagram of the transmission structure of the positioning block 1 and the positioning block 2 of the present invention;

[0032] Fig. 9 It is a schematic diagram of the structure of the feeding assembly of the present invention;

[0033] Fig.10 It is a schematic diagram of the structure of the limiting plate of the present invention;

[0034] Fig.11 It is a schematic diagram of the arrangement of the torsion spring of the present invention;

[0035] Fig.12 It is a schematic diagram of the locking assembly structure of the present invention;

[0036] Fig.13 It is a schematic diagram of the bottom structure of the push plate and the push block of the present invention;

[0037] Fig.14 It is a schematic diagram of the external thread structure of the screw rod of the present invention.

[0038] Description of the numbers in the figure:

[0039] 1. Double-head welding machine body; 2. Positioning assembly; 3. Locking assembly; 4. Feeding assembly; 5. Nut; 6. Slide rail bracket;

[0040] 101. Operating table; 102. Welding gun;

[0041] 201, support frame; 202, welding table; 2021, arc groove; 2022, socket; 2023, T-shaped slide; 203, positioning block 1; 2031, arc convex block; 204, positioning block 2; 205, support plate; 206, wheel rail; 207, diagonal support rod; 208, motor 1; 209, rotating rod; 210, gear; 211, fixed plate; 212, transmission plate 1; 2121, tooth mouth 1; 213, extension plate; 214, transmission plate 2; 2141, tooth mouth 2; 215, pulley;

[0042] 301, motor 2; 302, screw rod; 303, support block; 304, push plate; 305, T-shaped slider; 306, push surface; 307, push block; 308, plug column; 309, elastic spring;

[0043] 401, material frame; 402, material trough; 403, material unloading plate; 404, plug-in channel; 405, support column; 406, limit plate; 407, fixed block; 408, slot; 409, movable slot; 410, fixed column; 411, torsion spring. DETAILED DESCRIPTION

[0044] like Figures 1 to 14As shown, the present invention relates to an automobile metal accessories welding device, including a double-head welding machine body 1, a positioning component 2 and a locking component 3; the double-head welding machine body 1 is the existing technology in the example and is not described in detail; wherein, the double-head welding machine body 1 includes an operating table 101 and two welding guns 102, and the welding guns 102 are used to weld the contact parts between the nut 5 and the slide rail bracket 6.

[0045] In an embodiment of the present invention, the positioning component 2 is arranged on the top surface of the operating table 101, and the locking component 3 is arranged inside the positioning component 2; the positioning component 2 includes a support frame 201 arranged on the top surface of the operating table 101, the top surface of the support frame 201 is connected to a welding table 202, the top surface of the welding table 202 is slidingly arranged with a positioning block 1 203 and a positioning block 2 204, and the top surfaces of the positioning blocks 1 203 and 204 are arranged with a feeding component 4; the positioning component 2 is used to position the slide rail bracket 6; the feeding component 4 is used to transfer the nut 5 into the top surface of the slide rail bracket 6 and position it; the locking component 3 is used to connect and lock the nut 5 with the slide rail bracket 6; in the present invention, the staff places the slide rail bracket 6 on the welding table 202, and by 4 is designed on the positioning component 2. When the positioning component 2 positions the slide rail bracket 6 on the welding table 202, it can drive the feeding component 4 to synchronously transfer the nut 5 to the top surface of the slide rail bracket 6 and position it. Then, the nut 5 and the slide rail bracket 6 are connected and locked by the locking component 3. Then, by withdrawing the positioning component 2, the nut 5 and the slide rail bracket 6 are stably and firmly locked on the welding table 202 by the locking component 3. The welding operation is performed by the double-head welding machine body 1. There is no need to manually place and align the nut 5 and the slide rail bracket 6 one by one, which greatly simplifies the steps of manual operation and improves work efficiency. In the process of placing the nut, even if the welding machine fails to start by mistake, it is difficult to cause harm to the staff, thereby improving safety.

[0046] In an embodiment of the present invention, a support plate 205 is connected to the side wall of the support frame 201, two wheel rails 206 are arranged on the top surface of the support plate 205, a plurality of diagonal braces 207 are connected to the bottom surface of the support plate 205, the bottom surface of the diagonal braces 207 is connected to the side wall of the support frame 201, and the function of the diagonal braces 207 is to strengthen the stability of the structure of the support plate 205, a motor 208 is installed on the side wall of the support frame 201, a fixed plate 211 is connected to the side wall of the welding station 202, a rotating rod 209 is connected to the output end of the motor 208, the rotating rod 209 passes through the top surface of the support plate 205 and the top surface of the fixed plate 211, the rotating rod 209 rotates with the top surface of the support plate 205 and the top surface of the fixed plate 211, and the rotating rod 209 is circular A gear 210 is arranged on the outer wall of the periphery, and the gear 210 is arranged between the support plate 205 and the fixed plate 211; a transmission plate 212 is connected to the side wall of the positioning block 1 203, and a plurality of tooth openings 2121 are arranged on the side wall of the transmission plate 1 212, and the transmission plate 1 212 is meshed and connected with the gear 210 through the plurality of tooth openings 2121; an extension plate 213 is connected to the side wall of the positioning block 204, and a transmission plate 214 is integrally formed on the side wall of the extension plate 213, and the function of the extension plate 213 is to increase the distance between the transmission plate 1 212 and the transmission plate 214, and a plurality of tooth openings 2141 are arranged on the side wall of the transmission plate 214, and the transmission plate 214 is meshed and connected with the gear 210 through the plurality of tooth openings 2141;

[0047] Furthermore, two arc-shaped grooves 2021 are provided on the top of the soldering station 202, and two sockets 2022 are provided on the top surface of the soldering station 202 from top to bottom, and the sockets 2022 are vertically aligned with the welding gun 102, and a T-shaped slide groove 2023 is provided on the bottom surface of the inner cavity of the soldering station 202; wherein the arc-shaped groove 2021 is used to place the slide rail bracket 6; and, two arc-shaped protrusions 2031 matching the arc-shaped grooves 2021 are provided at the bottom of the positioning block 1 203, and the bottom of the positioning block 1 203 is slidably matched with the top of the soldering station 202 through the arc-shaped protrusions 2031, and the positioning block 1 203 is fixed. The bottom of the positioning block 204 has the same structure as the bottom of the positioning block 1 203; the present invention works through the motor 1 208 to drive the gear 210 to rotate, and further drives the transmission plate 1 212 and the transmission plate 2 214 to move toward each other synchronously, so that the positioning block 1 203 and the positioning block 204 slide toward each other synchronously in the arc groove 2021, which can ensure that the positioning block 1 203 and the positioning block 204 can center the slide rail bracket 6 on the welding platform 202 every time, so that the hole of the slide rail bracket 6 is aligned with the socket 2022 on the top surface of the welding platform 202.

[0048] In an embodiment of the present invention, a plurality of pulleys 215 matching with the wheel rail 206 are arranged on the bottom surfaces of the transmission plate 1 212 and the transmission plate 2 214, and the transmission plate 1 212 and the transmission plate 2 214 are slidingly matched with the wheel rail 206 through the pulleys 215; in the present invention, the motor 1 208 drives the gear 210 to rotate, and when the rotation of the gear 210 drives the transmission plate 1 212 and the transmission plate 2 214 meshing therewith to move toward each other synchronously, the pulley 215 at the bottom thereof will slide along the top of the wheel rail 206, which can improve the smoothness of the movement of the transmission plate 1 212 and the transmission plate 2 214, and can also play the role of auxiliary support for the transmission plate 1 212 and the transmission plate 2 214, thereby improving the stability of the transmission plate 1 212 and the transmission plate 2 214 when they respectively drive the positioning block 1 203 and the positioning block 2 204 to move.

[0049] In an embodiment of the present invention, the feeding assembly 4 includes a material frame 401 arranged on the top surface of the positioning block 203, and a material trough 402 is provided on the top surface of the material frame 401. The material trough 402 is a sloped structure, and two unloading plates 403 are arranged at the lower end of the material trough 402. The side walls of the unloading plates 403 are connected to the inner side walls of the material frame 401. The unloading plates 403 are horizontal flat plate structures, and a plug-in channel 404 is formed between the two unloading plates 403. The material trough 402 is used to place the nut 5, and the nut 5 slides along the slope of the material trough 402 onto the unloading plate 403 at the lower end of the feed trough 402; wherein, a recess is provided on the side wall of the lower end of the material frame 401, and a support column 405 is arranged in the recess, and the circumferential outer wall of the support column 405 is rotatably connected to the limiting plate 406; the other side wall of the lower end of the material frame 401 is connected to a fixed block 407, and the fixed block A plurality of slots 408 and movable slots 409 are provided on the side wall 407, and a fixed column 410 is arranged inside the movable slot 409. A torsion spring 411 is sleeved on the circumferential outer wall of the fixed column 410, and one end of the torsion spring 411 is arranged in the slot 408 and the other end is arranged on the side wall of the limiting plate 406. In the present invention, when the positioning block 1 203 and the positioning block 204 slide toward each other synchronously in the arc groove 2021, the material frame 401 on the top thereof is driven to move synchronously. When the positioning block 1 203 and the positioning block 204 center the slide rail bracket 6 on the welding table 202, the bottom of the two blanking plates 403 in the material frame 401 is aligned with the holes of the slide rail bracket 6. At this time, the inner cavity of the nut 5 on the top surface of the blanking plate 403 is aligned with the hole of the slide rail bracket 6, and the nut 5 and the slide rail bracket 6 are precisely positioned.

[0050] In the embodiment of the present invention, the locking assembly 3 includes a second motor 301 and a plurality of support blocks 303 arranged on the top surface of the operating table 101. The output end of the second motor 301 is connected to a screw rod 302, which is arranged in the inner cavity of the support frame 201. The screw rod 302 passes through the support block 303 and rotates with the support block 303. The outer wall of the screw rod 302 is provided with two external threads in opposite directions; the outer wall of the screw rod 302 is threadedly connected to two symmetrically arranged push plates 304, one end of the push plate 304 is provided with a push surface 306, and a push block 307 is arranged above the push surface 306. The top surface of the push block 307 is connected to a plug column 308 that fits with the socket 2022. The upper end of the plug column 308 is arranged in the inner cavity of the socket 2022, and the outer wall of the circumference of the plug column 308 is sleeved with an elastic spring 309, and the elastic spring 309 is arranged between the socket 2022 and the push block 307; the push plate 304 is an L-shaped plate structure, and the bottom surface of the push plate 304 is provided with a T-shaped slider 305 that matches the T-shaped slide groove 2023. The push plate 304 slides with the T-shaped slide groove 2023 through the T-shaped slider 305. The push surface 306 is an inclined surface structure, and the bottom surface of the push block 307 is provided with an inclined surface structure that matches the push surface 306. The push surface 306 is used to squeeze the bottom surface of the push block 307, so that the push block 307 moves up and down; the present invention drives the wire through the motor 2 301 to work The rod 302 rotates, causing the two symmetrically arranged push plates 304 to move toward each other on the screw rod 302. The push surface 306 of the push plate 304 will squeeze the bottom surface of the push block 307 during the movement, causing the push block 307 to move upward, driving the plug post 308 to move upward, and the plug post 308 is inserted upward from the insertion hole 2022 into the hole of the slide rail bracket 6, and is inserted into the inner cavity of the nut 5 through the insertion channel 404. At this time, the plug post 308 locks the slide rail bracket 6 and the nut 5, and the motor 1 208 rotates in the opposite direction, causing the positioning block 1 203 and the positioning block 2 204 to slide back to each other in the arc groove 2021 synchronously, and the top of the positioning block 1 203 and the positioning block 2 204 The feeding assembly 4 follows the movement and moves away from the slide rail bracket 6. The nut 5 on the top surface of the blanking plate 403 is locked by the plug column 308, so that the nut 5 squeezes the two limit plates 406. The two limit plates 406 are forced to be in an open state, so that the material frame 401 can be pulled away from the nut 5 on the top surface of the blanking plate 403. After separation, the two limit plates 406 are acted upon by the elastic force of the torsion spring 411 to form a closed state, thereby forming a enclosure for the remaining nuts 5 in the material trough 402 to prevent them from scattering. At this time, the double-head welding machine body 1 works to drive the two welding guns 102 to move down to the nut 5 on the top surface of the slide rail bracket 6, and weld the contact portion between the nut 5 and the slide rail bracket 6.

[0051] Working principle: This embodiment provides a welding device for automobile metal parts. When in use, a plurality of nuts 5 are placed in the material trough 402 for standby use, and then the slide rail bracket 6 is placed on the welding table 202, so that the bottom of the side wall of the slide rail bracket 6 is placed in the arc groove 2021, and the motor 1 208 is driven to rotate the gear 210, and further drives the transmission plate 1 212 and the transmission plate 2 214 to move toward each other, so that the positioning block 1 203 and the positioning block 2 204 synchronously slide toward each other in the arc groove 2021, and at the same time, the feeding assembly 4 on the top of the positioning block 1 203 and the positioning block 2 204 moves with it, and the positioning block 1 203 and the second positioning block 204 clamp the slide rail bracket 6 and center the slide rail bracket 6 on the welding platform 202, align the hole of the slide rail bracket 6 with the socket 2022 on the top surface of the welding platform 202, align the insertion channel 404 of the feeding assembly 4 with the hole of the slide rail bracket 6, and further align the inner cavity of the nut 5 on the top surface of the blanking plate 403 with the hole of the slide rail bracket 6. At this time, the position of the nut 5 and the slide rail bracket 6 is positioned and fixed, and the motor 2 301 works to drive the screw rod 302 to rotate, so that the two symmetrically arranged push plates 304 move toward each other on the screw rod 302, and the push surface 306 of the push plate 304 During the movement, the bottom surface of the push block 307 is squeezed, causing the push block 307 to move upward, driving the plug post 308 to move upward, and the plug post 308 is inserted upward from the socket 2022 into the hole of the slide rail bracket 6, and passes through the plug-in channel 404 and is inserted into the inner cavity of the nut 5. At this time, the plug post 308 locks the slide rail bracket 6 and the nut 5, and the motor 1 208 rotates in the opposite direction, so that the positioning block 1 203 and the positioning block 2 204 synchronously slide back to back in the arc groove 2021, and the feeding assembly 4 on the top of the positioning block 1 203 and the positioning block 2 204 moves with it, away from the slide rail bracket 6, and the nut 5 on the top of the blanking plate 403 is pressed against the feeder assembly 4, so that the feeder ... Under the locking action of the plug column 308, the nut 5 squeezes the two limit plates 406. The two limit plates 406 are forced to be in an open state, so that the material frame 401 can be pulled away from the nut 5 on the top surface of the unloading plate 403. After separation, the two limit plates 406 are acted upon by the elastic force of the torsion spring 411 to form a closed state, thereby protecting the remaining nuts 5 in the material trough 402 to prevent them from scattering. At this time, the double-head welding machine body 1 works to drive the two welding guns 102 to move down to the nut 5 on the top surface of the slide rail bracket 6, and weld the contact portion between the nut 5 and the slide rail bracket 6. After welding is completed, the slide rail bracket 6 can be directly removed.

[0052] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A welding device for automobile metal parts, characterized in that: It comprises a double-head welding machine body (1), a positioning component (2) and a locking component (3); The double-head welding machine body (1) comprises an operating table (101) and two welding guns (102), wherein the welding guns (102) are used to weld the contact portion between the nut (5) and the slide rail bracket (6); The positioning component (2) is arranged on the top surface of the operating table (101), and the locking component (3) is arranged inside the positioning component (2); The positioning assembly (2) comprises a support frame (201) arranged on the top surface of the operating table (101), the top surface of the support frame (201) is connected to a welding platform (202), a positioning block 1 (203) and a positioning block 2 (204) are slidably arranged on the top surface of the welding platform (202), and a feeding assembly (4) is arranged on the top surfaces of the positioning block 1 (203) and the positioning block 2 (204); The positioning component (2) is used to position the slide rail bracket (6); the feeding component (4) is used to transfer the nut (5) into the top surface of the slide rail bracket (6) and position it; the locking component (3) is used to connect and lock the nut (5) with the slide rail bracket (6).

2. The automotive metal parts welding device according to claim 1, characterized in that: The side wall of the support frame (201) is connected to a support plate (205), the top surface of the support plate (205) is provided with two wheel rails (206), the bottom surface of the support plate (205) is connected to a plurality of diagonal bracing rods (207), and the bottom surface of the diagonal bracing rods (207) is connected to the side wall of the support frame (201); A motor 1 (208) is installed on the side wall of the support frame (201), a fixed plate (211) is connected to the side wall of the welding platform (202), a rotating rod (209) is connected to the output end of the motor 1 (208), the rotating rod (209) passes through the top surface of the support plate (205) and the top surface of the fixed plate (211), the rotating rod (209) is rotatably matched with the top surface of the support plate (205) and the top surface of the fixed plate (211), and a gear (210) is provided on the circumferential outer wall of the rotating rod (209), and the gear (210) is arranged between the support plate (205) and the fixed plate (211).

3. The automotive metal parts welding device according to claim 2, characterized in that: The top of the welding platform (202) is provided with two arc-shaped grooves (2021); the top surface of the welding platform (202) is provided with two insertion holes (2022) from top to bottom; the insertion holes (2022) are vertically aligned with the welding gun (102); and the bottom surface of the inner cavity of the welding platform (202) is provided with a T-shaped slide groove (2023); Wherein, the arc-shaped groove (2021) is used to place the slide rail bracket (6); Furthermore, the bottom of the positioning block 1 (203) is provided with two arc-shaped protrusions (2031) that fit with the arc-shaped groove (2021); the bottom of the positioning block 1 (203) is slidably matched with the top of the welding platform (202) through the arc-shaped protrusions (2031); and the bottom of the positioning block 2 (204) has the same structure as the bottom of the positioning block 1 (203).

4. The automobile metal parts welding device according to claim 3, characterized in that: The side wall of the positioning block 1 (203) is connected to a transmission plate 1 (212), and the side wall of the transmission plate 1 (212) is provided with a plurality of tooth openings 1 (2121), and the transmission plate 1 (212) is meshedly connected with the gear (210) via the plurality of tooth openings 1 (2121); The side wall of the second positioning block (204) is connected to an extension plate (213), the side wall of the extension plate (213) is integrally formed with a second transmission plate (214), the side wall of the second transmission plate (214) is provided with a plurality of second tooth openings (2141), and the second transmission plate (214) is meshedly connected with the gear (210) via the plurality of second tooth openings (2141).

5. The automobile metal parts welding device according to claim 4, characterized in that: A plurality of pulleys (215) matching with the wheel rail (206) are arranged on the bottom surfaces of the transmission plate 1 (212) and the transmission plate 2 (214), and the transmission plate 1 (212) and the transmission plate 2 (214) are slidably matched with the wheel rail (206) through the pulleys (215).

6. The automotive metal parts welding device according to claim 5, characterized in that: The feeding assembly (4) comprises a material frame (401) arranged on the top surface of the positioning block (203); a material trough (402) is provided on the top surface of the material frame (401); the material trough (402) is an inclined structure; two material discharge plates (403) are arranged at the lower end of the material trough (402); the side walls of the material discharge plates (403) are connected to the inner side walls of the material frame (401); the material discharge plates (403) are horizontal flat plate structures; and a plug-in channel (404) is formed between the two material discharge plates (403); The lower side wall of the material frame (401) is provided with a notch, a support column (405) is arranged in the notch, and the outer circumferential wall of the support column (405) is rotatably connected to a limit plate (406); The other side wall at the lower end of the material frame (401) is connected to a fixed block (407), and the side wall of the fixed block (407) is provided with a plurality of slots (408) and movable slots (409). A fixed column (410) is arranged inside the movable slot (409), and a torsion spring (411) is sleeved on the circumferential outer wall of the fixed column (410). One end of the torsion spring (411) is arranged in the slot (408), and the other end is arranged on the side wall of the limiting plate (406).

7. The automobile metal parts welding device according to claim 6, characterized in that: The locking assembly (3) comprises a second motor (301) and a plurality of support blocks (303) arranged on the top surface of the operating table (101); the output end of the second motor (301) is connected to a screw rod (302); the screw rod (302) is arranged in the inner cavity of the support frame (201); the screw rod (302) passes through the support block (303) and is rotatably matched with the support block (303); and the outer circumferential wall of the screw rod (302) is provided with two external threads in opposite directions; The outer circumferential wall of the screw rod (302) is threadedly connected to two symmetrically arranged push plates (304), one end of the push plate (304) is provided with a push surface (306), a push block (307) is arranged above the push surface (306), the top surface of the push block (307) is connected to a plug column (308) that fits the socket (2022), the upper end of the plug column (308) is arranged in the inner cavity of the socket (2022), the outer circumferential wall of the plug column (308) is sleeved with an elastic spring (309), and the elastic spring (309) is arranged between the socket (2022) and the push block (307).

8. The automotive metal parts welding device according to claim 7, characterized in that: The push plate (304) is an L-shaped plate structure, and a T-shaped slider (305) matching with the T-shaped slide groove (2023) is arranged on the bottom surface of the push plate (304). The push plate (304) is slidably matched with the T-shaped slide groove (2023) through the T-shaped slider (305).

9. The automobile metal parts welding device according to claim 8, characterized in that: The push surface (306) is a sloped structure, and the bottom surface of the push block (307) is arranged as a sloped structure matching the push surface (306). The push surface (306) is used to press the bottom surface of the push block (307) to make the push block (307) move up and down.

10. The method for using the automobile metal parts welding device according to claim 9, characterized in that: The following steps are involved: S1, loading operation, after placing a plurality of nuts (5) into the material trough (402) for standby use, then placing the slide rail bracket (6) onto the welding table (202), so that the bottom of the side wall of the slide rail bracket (6) is placed in the arc-shaped groove (2021); S2, positioning operation, through the motor 1 (208) working, drive the gear (210) to rotate, further drive the transmission plate 1 (212) and the transmission plate 2 (214) to move towards each other, so that the positioning block 1 (203) and the positioning block 2 (204) synchronously slide towards each other in the arc groove (2021), and at the same time, the feeding assembly (4) on the top of the positioning block 1 (203) and the positioning block 2 (204) moves accordingly, and the positioning block 1 (203) and the positioning block 2 (204) slide The rail bracket (6) is clamped and fixed, and the slide rail bracket (6) is centrally positioned on the soldering station (202), so that the hole of the slide rail bracket (6) is aligned with the plug hole (2022) on the top surface of the soldering station (202), the insertion channel (404) of the feeding assembly (4) is aligned with the hole of the slide rail bracket (6), and the inner cavity of the nut (5) on the top surface of the blanking plate (403) is further aligned with the hole of the slide rail bracket (6), at this time, the position of the nut (5) and the slide rail bracket (6) is positioned and fixed; S3, locking operation, through the operation of the second motor (301), the screw (302) is driven to rotate, so that the two symmetrically arranged push plates (304) move towards each other on the screw (302), and the push surface (306) of the push plate (304) will squeeze the bottom surface of the push block (307) during the movement, so that the push block (307) moves upward, driving the plug post (308) to move upward, and the plug post (308) is inserted upward from the insertion hole (2022) into the hole of the slide rail bracket (6), and passes through the insertion channel (404) and is inserted into the inner cavity of the nut (5). At this time, the plug post (308) locks the slide rail bracket (6) and the nut (5); S4, welding operation, by the motor 1 (208) reverse rotation, so that the positioning block 1 (203) and the positioning block 2 (204) synchronously slide in the arc groove (2021) in the opposite direction, the positioning block 1 (203) and the positioning block 2 (204) The feeding assembly (4) at the top of the moving, away from the slide rail bracket (6), the nut (5) on the top surface of the unloading plate (403) is locked by the plug column (308), so that the nut (5) squeezes the two limit plates (406), and the two limit plates (406) are forced to open, so that the material frame (40 1) The nut (5) on the top surface of the blanking plate (403) can be pulled out. After separation, the two limit plates (406) are subjected to the elastic force of the torsion spring (411) to form a closed state, thereby forming a enclosure for the remaining nuts (5) in the material trough (402) to prevent them from scattering. At this time, the double-head welding machine body (1) works to drive the two welding guns (102) to move down to the nut (5) on the top surface of the slide rail bracket (6), and weld the contact portion between the nut (5) and the slide rail bracket (6). After welding is completed, the slide rail bracket (6) can be directly removed.

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