Welding equipment for automobile part production

Abstract

According to the technical scheme, the welding equipment for automobile part production is characterized in that the welding equipment comprises a positioning mechanism, and the positioning mechanism is used for positioning automobile parts so that the positions, where screws need to be welded, of the automobile parts can be horizontal and face upwards; the conveying mechanism is used for conveying the positioning mechanism in the horizontal direction; the welding mechanism is used for carrying out screw welding on the automobile parts on the positioning mechanism on the conveying mechanism; the grinding mechanism is used for grinding the welding position of the screw and the automobile part; and through the arrangement of the welding mechanism and the grinding mechanism, screw welding can be automatically conducted on the automobile parts, and the welding precision and quality are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile parts production, and more specifically, to welding equipment for automobile parts production. Background Art

[0002] Automobile sheet metal parts are an indispensable part of automobile manufacturing and maintenance. They are processed through sheet metal technology. In the process of automobile sheet metal parts processing, welding equipment is one of the indispensable processing equipment.

[0003] In order to connect sheet metal parts, screws need to be connected to the connection positions on the sheet metal parts by welding, and then the screws are used to connect the sheet metal parts to the sheet metal parts or to other parts.

[0004] However, in the prior art, screw welding is mostly performed by manual welding, which is prone to problems of poor welding accuracy and quality. Summary of the invention

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a welding device for the production of automobile parts, which can automatically perform screw welding on automobile parts through the setting of a welding mechanism and a grinding mechanism, thereby improving the accuracy and quality of welding.

[0006] To achieve the above object, the present invention provides the following technical solution: A welding device for automobile parts production, comprising a positioning mechanism, wherein the positioning mechanism is used to position the automobile parts so that the position on the automobile parts where the welding screw is required is horizontal and upward; A transmission mechanism, wherein the transmission mechanism is used to transmit the positioning mechanism in a horizontal direction; A welding mechanism, the welding mechanism is used to perform screw welding on automobile parts on the positioning mechanism on the transmission mechanism; And a grinding mechanism, which is used for grinding the welding position between the screw rod and the automobile parts.

[0007] The present invention is further configured as follows: the positioning mechanism comprises a support plate, and the support plate is arranged horizontally; And a clamping block, wherein two clamping blocks are provided, and the two clamping blocks are arranged at the two ends of the top of the support plate, and the two clamping blocks can move up and down to achieve clamping of the two ends of the automobile parts.

[0008] The present invention is further configured as follows: the support plate is provided with a moving groove vertically penetrating the support plate and sliding grooves located on both sides of the moving groove, and the length direction of the moving groove and the length direction of the sliding groove are both arranged along the length direction of the support plate; The clamping block is provided with a connecting rod which vertically passes through the clamping block. The connecting rod is set as a round rod. The connecting rod vertically passes through the moving groove and passes through the clamping block. The bottom of the connecting rod is fixedly connected with a clamping block which fits the bottom of the support plate. The connecting rod is threadedly connected with a nut which can be pressed on the top of the clamping block. The bottom of the clamping block is fixedly connected with two sliding blocks which are respectively inserted into the two sliding grooves, and two sides of the sliding block are respectively fitted with groove walls on both sides of the sliding groove.

[0009] The present invention is further configured as follows: two extension rods are fixedly connected to both sides of the support plate, the extension rods are arranged along the width direction of the support plate, and the extension rods are arranged at the middle position in the length direction of the support plate; One end of the extension rod away from the support plate is rotatably connected to the rotating rod, one end of the rotating rod is rotatably connected to the end of the extension rod away from the support plate, the rotation axis of the rotating rod on the extension rod is horizontal and perpendicular to the length direction of the extension rod, the length direction of the rotating rod is perpendicular to the rotation axis of the rotating rod, and one end of the rotating rod away from the extension rod is fixedly connected to a support pad, and the support pad is configured as a flexible support pad; The part of the automobile part clamped by the clamping block is the working part, and side parts bent upward at different angles are arranged on both sides of the working part, and two support pads on the two rotating rods are supported on the side parts respectively.

[0010] The present invention is further configured as follows: the transmission mechanism comprises a transmission belt, two transmission belts are provided, the transmission direction of the transmission belt is horizontal and parallel to the width direction of the support plate, and the two transmission belts are arranged side by side; and a transmission roller, wherein two transmission rollers are provided, the two transmission rollers are respectively located at two ends of the transmission belt, the transmission belt surrounds the two transmission rollers in a closed loop, and the two transmission belts are respectively located at two ends of the transmission roller; Connecting blocks are fixedly connected at both ends of the bottom of the support plate, and two groups of connecting blocks are provided. The two groups of connecting blocks are respectively located at both ends of the support plate, and each group of connecting blocks is provided with two connecting blocks. The two connecting blocks in the same group are arranged along the width direction of the support plate. The two groups of connecting blocks at the bottom of the support plate are respectively connected to the two conveyor belts, and a plurality of groups of connecting holes are provided on the conveyor belts. Each group of connecting holes is provided with two connecting holes, and the two connecting blocks in the same group can be inserted into the two connecting holes in the same group.

[0011] The present invention is further configured as follows: the welding mechanism comprises a welding seat, and the welding seat can slide in a horizontal direction perpendicular to the transmission direction of the conveyor belt; An electromagnetic block, wherein the electromagnetic block is fixedly connected to the bottom of the welding seat; A limiting ring, wherein the limiting ring is fixedly connected to the bottom of the electromagnetic block, and the top end of the screw is inserted into the limiting ring and fits with the inner wall of the limiting ring; A rotating ring, which is sleeved outside the welding seat and rotatably connected outside the rotating ring, the rotating axis of the rotating ring is vertical, and the rotating ring is coaxially arranged with the limiting ring; And a welding gun, which is arranged on a rotating ring, is tilted, and one end of the bottom of the welding gun is tilted toward the direction close to the axis of the limiting ring. The welding gun is used for welding the bottom end of the screw in the limiting ring to the connection between the automobile parts.

[0012] The present invention is further configured as follows: a support rod arranged along the radial direction of the rotating ring is fixedly connected to the outside of the rotating ring, one end of the top of the welding gun is rotatably connected to the support rod, and the rotating axis of the welding gun is horizontal and perpendicular to the length direction of the support rod; A connecting assembly is provided at one end of the top of the welding gun, and the connecting assembly includes a connecting plate and an adjusting rod. The two connecting plates are fixedly connected to one end of the top of the welding gun, and the connecting plates are respectively located on both sides of the support rod. The connecting plates are provided with long grooves that penetrate the connecting plates along the rotation axis of the welding gun, and the length direction of the long grooves is arranged along the length direction of the welding gun. Two adjusting rods that are respectively inserted into the two long grooves are fixedly connected at both sides of the support rod, and the adjusting rods are arranged as round rods. The welding gun rotates around the axis of the adjusting rod, and the connecting plates can rotate on the adjusting rods and the adjusting rods can slide in the long grooves along the length direction of the long grooves. Two nuts are threadedly connected on the two adjusting rods, and the two nuts can be respectively pressed on two sides of the two adjusting plates that are away from each other.

[0013] The present invention is further configured as follows: the polishing mechanism comprises a polishing seat, and the polishing seat can slide in a horizontal direction perpendicular to the transmission direction of the conveyor belt; A grinding ring, which is sleeved outside the grinding seat, has a vertical axis and can rotate around its own axis; A grinding rod, wherein the grinding rod is fixedly connected to the outside of the grinding ring and the length direction of the grinding rod is arranged along the radial direction of the grinding ring; And a grinder, wherein one top end of the grinder is connected to a grinding rod, a rotating shaft is arranged on the grinder, and one bottom end of the rotating shaft is fixedly connected to a grinding head, and the grinding head is used for grinding the welding part between the screw and the automobile parts.

[0014] The present invention is further configured such that: the grinder is connected to the grinding rod via a connecting assembly.

[0015] The present invention is further configured as follows: a feeding mechanism for providing a screw rod for the welding mechanism is provided on one side of the welding mechanism; The feeding mechanism comprises a feeding plate, which is arranged on one side of the transmission mechanism and is arranged horizontally; A storage box, wherein a plurality of bolts stacked vertically are stored in the storage box, the storage box is fixedly connected to the top of the loading plate, the length direction of the bolts is horizontal and arranged along the length direction of the bottom of the storage box, and a clearance hole is arranged on the storage box and passes through the storage box along the length direction of the storage box, and the clearance hole is a circular hole and is coaxial with the axis of the lowest bolt in the storage box; A push rod, which is arranged at one end of the bottom of the storage box, is arranged as a round rod, and the diameter of the push rod is equal to the diameter of the bolt, the push rod is coaxial with the clearance hole, the length of the push rod is greater than the length of the bottom of the storage box, and the push rod can slide along its own length direction to completely push the bottom screw in the storage box out of the storage box; The flip tube is rotatably connected to the top of the loading plate, the rotation axis of the flip tube is horizontal, and one end of the flip tube close to the rotation axis is closed. When the flip tube is rotated to the horizontal, the flip tube is coaxial with the clearance hole. When the flip tube is rotated to the vertical, the limit ring can move to the top of the flip tube and when the limit ring moves to the top of the flip tube, the limit ring is coaxial with the flip tube. And an auxiliary block, which is arranged on one side of the storage box close to the flip tube, and an arc groove is arranged on the top of the auxiliary block, and the arc groove is coaxial with the clearance hole.

[0016] In summary, compared with the prior art, the present invention has the following beneficial effects: the present invention can automatically perform screw welding on automobile parts through the provision of a welding mechanism and a grinding mechanism, thereby improving the welding accuracy and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of an embodiment; Figure 2 for Figure 1 A magnified schematic diagram of part A; Figure 3 for Figure 1 A magnified schematic diagram of part B; Figure 4 for Figure 1 An enlarged schematic diagram of the C portion; Figure 5 for Figure 4 A magnified schematic diagram of part F; Figure 6 for Figure 1 An enlarged schematic diagram of the D portion; Figure 7 for Figure 1 An enlarged schematic diagram of part E of FIG. Figure 8 A schematic diagram of a card block is shown in the embodiment; Fig. 9 for Figure 8 Enlarged schematic diagram of part F.

[0018] In the figure: 1, transmission mechanism; 11, transmission belt; 111, connection hole; 12, transmission roller; 2, positioning mechanism; 21, support plate; 211, moving groove; 212, sliding groove; 22, clamping block; 23, connecting rod; 231, clamping block; 24, sliding block; 25, connecting block; 26, extension rod; 27, rotating rod; 28, supporting pad; 3, welding mechanism; 31, welding seat; 311, rotating ring; 32, electric Magnetic block; 33. Limiting ring; 34. Support rod; 35. Welding gun; 4. Grinding mechanism; 41. Grinding seat; 42. Grinding ring; 43. Grinding rod; 44. Grinding machine; 5. Feeding mechanism; 51. Feeding plate; 52. Storage box; 521. Clearance hole; 53. Push rod; 54. Auxiliary block; 541. Arc groove; 55. Flip tube; 6. Connecting assembly; 61. Connecting plate; 611. Long groove; 62. Adjusting rod. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0020] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

[0021] Embodiment: A welding device for producing automobile parts, see attached Figure 1 -Attached Fig. 9 , including a positioning mechanism 2, a transmission mechanism 1, a welding mechanism 3 and a grinding mechanism 4, wherein the positioning mechanism 2 is used to position the automobile parts so that the position where the screw needs to be welded on the automobile parts is horizontal and upward; the transmission mechanism 1 is used to transmit the positioning mechanism 2 in the horizontal direction; the welding mechanism 3 is used to perform screw welding on the automobile parts on the positioning mechanism 2 on the transmission mechanism 1; the grinding mechanism 4 is used to grind the welding part between the screw and the automobile parts.

[0022] The automobile parts are positioned by the positioning mechanism 2 so that the parts of the automobile parts to be welded remain horizontal and face upward, and then the positioning mechanism 2 is transported in the horizontal direction by the transmission mechanism 1. The transmission mechanism 1 drives the positioning mechanism 2 to pass through the welding mechanism 3 and the grinding mechanism 4 in sequence, and the screw is welded to the automobile parts by the welding mechanism 3 at the welding mechanism 3, and then the welding point between the screw and the automobile parts is ground by the grinding mechanism 4.

[0023] Specifically, the positioning mechanism 2 includes a support plate 21 and a clamping block 22, wherein the support plate 21 is horizontally arranged; two clamping blocks 22 are arranged at two ends of the top of the support plate 21, and the two clamping blocks 22 can move up and down to clamp the two ends of the automobile parts.

[0024] Specifically, the support plate 21 is provided with a moving groove 211 that vertically penetrates the support plate 21 and sliding grooves 212 located on both sides of the moving groove 211. The length direction of the moving groove 211 and the length direction of the sliding groove 212 are both arranged along the length direction of the support plate 21; the clamping block 22 is provided with a connecting rod 23 that vertically penetrates the clamping block 22, and the connecting rod 23 is arranged as a round rod. The connecting rod 23 vertically passes through the moving groove 211 and penetrates the clamping block 22, and the bottom of the connecting rod 23 is fixedly connected with a clamping block 231 that fits with the bottom of the support plate 21, and the connecting rod 23 is threadedly connected with a nut that can be pressed on the top of the clamping block 22; the bottom of the clamping block 22 is fixedly connected with two sliding blocks 24 that are respectively inserted into the two sliding grooves 212, and the two sides of the sliding block 24 are respectively fitted with the groove walls on both sides of the sliding groove 212.

[0025] By adjusting the distance between the two clamping blocks 22, automobile parts of different lengths can be positioned.

[0026] Specifically, two extension rods 26 are fixedly connected on both sides of the support plate 21. The extension rods 26 are arranged along the width direction of the support plate 21, and the extension rods 26 are arranged in the middle position in the length direction of the support plate 21; one end of the extension rod 26 away from the support plate 21 is rotatably connected to the rotating rod 27, and one end of the rotating rod 27 is rotatably connected to the end of the extension rod 26 away from the support plate 21. The rotation axis of the rotating rod 27 on the extension rod 26 is horizontal and perpendicular to the length direction of the extension rod 26, and the length direction of the rotating rod 27 is perpendicular to the rotation axis of the rotating rod 27. One end of the rotating rod 27 away from the extension rod 26 is fixedly connected with a support pad 28, and the support pad 28 is set as a flexible support pad 28; the part of the automobile component clamped by the clamping block 22 is the working part, and side portions bent upward at different angles are arranged on both sides of the working part, and the two support pads 28 on the two rotating rods 27 are respectively supported on the side portions.

[0027] By setting up two rotating rods 27 and support pads 28, it is possible to position and support automobile parts, so that the position of the working part can be limited in the width direction of the working part, and the position of the working part can be limited in the length direction of the working part by two clamping blocks 22.

[0028] Specifically, the transmission mechanism 1 includes a transmission belt 11 and a transmission roller 12, wherein two transmission belts 11 are provided, and the transmission direction of the transmission belt 11 is horizontal and parallel to the width direction of the support plate 21, and the two transmission belts 11 are arranged side by side; two transmission rollers 12 are provided, and the two transmission rollers 12 are respectively located at the two ends of the transmission belt 11, and the transmission belt 11 is arranged in a closed loop around the two transmission rollers 12, and the two transmission belts 11 are respectively located at the two ends of the transmission roller 12; the two ends of the bottom of the support plate 21 are fixedly connected with connecting blocks 25, and the connecting blocks 25 are provided with two groups, and the two groups of connecting blocks 25 are respectively located at the two ends of the support plate 21, and each group of connecting blocks 25 is provided with two, and the two connecting blocks 25 of the same group are arranged along the width direction of the support plate 21, and the two groups of connecting blocks 25 at the bottom of the support plate 21 are respectively connected to the two transmission belts 11, and the transmission belt 11 is provided with a plurality of groups of connecting holes 111, and each group of connecting holes 111 is provided with two, and the two connecting blocks 25 of the same group can be inserted into the two connecting holes 111 of the same group.

[0029] Specifically, the welding mechanism 3 includes a welding seat 31, an electromagnetic block 32, a limiting ring 33, a rotating ring 311 and a welding gun 35, wherein the welding seat 31 can slide in a horizontal direction perpendicular to the transmission direction of the conveyor belt 11; the electromagnetic block 32 is fixedly connected to the bottom of the welding seat 31; the limiting ring 33 is fixedly connected to the bottom of the electromagnetic block 32, and the top end of the screw is inserted into the limiting ring 33 and fits with the inner wall of the limiting ring 33; the rotating ring 311 is sleeved outside the welding seat 31 and rotatably connected outside the rotating ring 311, the rotating axis of the rotating ring 311 is vertical, and the rotating ring 311 is coaxially arranged with the limiting ring 33; the welding gun 35 is arranged on the rotating ring 311, the welding gun 35 is tilted, and the bottom end of the welding gun 35 is tilted toward the direction close to the axis of the limiting ring 33, and the welding gun 35 is used for welding the bottom end of the screw in the limiting ring 33 and the connection between the automobile parts.

[0030] The rotation of the rotating ring 311 can drive the welding gun 35 to rotate around the screw rod, so that the screw rod and the automobile parts can be welded together.

[0031] Specifically, the rotating ring 311 is fixedly connected to a support rod 34 arranged along the radial direction of the rotating ring 311, and one end of the top of the welding gun 35 is rotatably connected to the support rod 34, and the rotation axis of the welding gun 35 is horizontal and perpendicular to the length direction of the support rod 34; a connecting assembly 6 is arranged at one end of the top of the welding gun 35, and the connecting assembly 6 includes a connecting plate 61 and an adjusting rod 62, and the two connecting plates 61 are fixedly connected to one end of the top of the welding gun 35, and the connecting plates 61 are respectively located on both sides of the support rod 34, and a connecting plate 61 is provided on the connecting plate 61 that penetrates along the rotation axis of the welding gun 35 The long groove 611 of the connecting plate 61 is arranged in a length direction along the length direction of the welding gun 35. Two adjusting rods 62 are fixedly connected on both sides of the support rod 34 and are respectively inserted into the two long grooves 611. The adjusting rods 62 are arranged as round rods. The welding gun 35 rotates around the axis of the adjusting rods 62. The connecting plate 61 can rotate on the adjusting rods 62 and the adjusting rods 62 can slide in the long groove 611 along the length direction of the long groove 611. Two nuts are threadedly connected on the two adjusting rods 62, and the two nuts can be respectively pressed on the two sides of the two adjusting plates away from each other.

[0032] By providing the long slot 611 and the adjusting rod 62 , the position and the tilt angle of the welding gun 35 can be adjusted according to the length and diameter of the screw.

[0033] Specifically, the grinding mechanism 4 includes a grinding seat 41, a grinding ring 42, a grinding rod 43 and a grinder 44. The grinding seat 41 can slide in a horizontal direction perpendicular to the transmission direction of the conveyor belt 11; the grinding ring 42 is sleeved outside the grinding seat 41, the axis of the grinding ring 42 is vertical and the grinding ring 42 can rotate around its own axis; the grinding rod 43 is fixedly connected to the outside of the grinding ring 42 and the length direction of the grinding rod 43 is arranged along the radial direction of the grinding ring 42; the top end of the grinder 44 is connected to the grinding rod 43, and a rotating shaft is arranged on the grinder 44, and a grinding head is fixedly connected to the bottom end of the rotating shaft, and the grinding head is used to grind the welding part between the screw and the automobile parts. The welding part between the screw and the automobile parts can be polished by the grinder 44 rotating around the screw.

[0034] Specifically, the grinder 44 is connected to the grinding rod 43 via the connecting assembly 6 .

[0035] Specifically, a feeding mechanism 5 for providing a screw for the welding mechanism 3 is provided on one side of the welding mechanism 3; the feeding mechanism 5 includes a feeding plate 51, a storage box 52, a pushing rod 53, a flip tube 55 and an auxiliary block 54, the feeding plate 51 is arranged on one side of the transmission mechanism 1 and is arranged horizontally; a plurality of vertically stacked bolts are stored in the storage box 52, the storage box 52 is fixedly connected to the top of the feeding plate 51, the length direction of the bolts is horizontal and arranged along the length direction of the bottom of the storage box 52, and the storage box 52 is provided with a clearance hole 521 that passes through the storage box 52 along the length direction of the storage box 52, the clearance hole 521 is a circular hole and is coaxial with the axis of the lowest bolt in the storage box 52; the pushing rod 53 is arranged at one end of the bottom of the storage box 52, the pushing rod 53 is arranged as a round rod and the diameter of the pushing rod 53 is equal to the diameter of the bolt, and the pushing rod 53 and The clearance hole 521 is coaxial, and the length of the push rod 53 is greater than the length of the bottom of the storage box 52. The push rod 53 can slide along its own length direction to completely push the lowest screw in the storage box 52 out of the storage box 52; the flip tube 55 is rotatably connected to the top of the loading plate 51, and the rotation axis of the flip tube 55 is horizontal. The flip tube 55 is closed at one end close to the rotation axis. When the flip tube 55 is rotated to horizontal, the flip tube 55 is coaxial with the clearance hole 521. When the flip tube 55 is rotated to vertical, the limit ring 33 can move to the top of the flip tube 55 and when the limit ring 33 moves to the top of the flip tube 55, the limit ring 33 is coaxial with the flip tube 55; the auxiliary block 54 is arranged on the side of the storage box 52 close to the flip tube 55, and an arc groove 541 is arranged on the top of the auxiliary block 54, and the arc groove 541 is coaxial with the clearance hole 521.

[0036] Specifically, the welding seat 31 can slide vertically.

[0037] The screw in the storage box 52 is pushed out by the pushing rod 53 and one end of the screw is inserted into the flip tube 55, and then the screw is flipped vertically by flipping the flip tube 55, and then the welding seat 31 is moved above the flip tube 55, and the top of the screw is inserted into the limit ring 33 through the vertical movement of the welding seat 31, and then the screw is adsorbed in the limit ring 33 by the electromagnetic block 32.

[0038] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A welding device for automobile parts production, characterized in that: It comprises a positioning mechanism (2), wherein the positioning mechanism (2) is used to position the automobile component so that the position on the automobile component where the welding screw is required is horizontal and faces upward; A transmission mechanism (1), wherein the transmission mechanism (1) is used to transmit the positioning mechanism (2) in a horizontal direction; A welding mechanism (3), wherein the welding mechanism (3) is used to perform screw welding on automobile parts on a positioning mechanism (2) on a transmission mechanism (1); And a grinding mechanism (4), wherein the grinding mechanism (4) is used to grind the welding position between the screw rod and the automobile part.

2. The welding equipment for automobile parts production according to claim 1, characterized in that: The positioning mechanism (2) comprises a support plate (21), and the support plate (21) is arranged horizontally; And a clamping block (22), wherein two clamping blocks (22) are provided, and the two clamping blocks (22) are arranged at two ends of the top of the support plate (21), and the two clamping blocks (22) can move up and down to achieve clamping of the two ends of the automobile parts.

3. The welding equipment for automobile parts production according to claim 2, characterized in that: The support plate (21) is provided with a moving groove (211) vertically penetrating the support plate (21) and sliding grooves (212) located on both sides of the moving groove (211), and the length direction of the moving groove (211) and the length direction of the sliding groove (212) are both arranged along the length direction of the support plate (21); The clamping block (22) is provided with a connecting rod (23) which vertically passes through the clamping block (22); the connecting rod (23) is configured as a round rod; the connecting rod (23) vertically passes through the movable groove (211) and passes through the clamping block (22); the bottom of the connecting rod (23) is fixedly connected with a clamping block (231) which is in contact with the bottom of the support plate (21); and a nut which can be pressed against the top of the clamping block (22) is threadedly connected to the connecting rod (23); The bottom of the clamping block (22) is fixedly connected with two sliding blocks (24) which are respectively inserted into the two sliding grooves (212), and the two sides of the sliding block (24) are respectively in contact with the groove walls on both sides of the sliding groove (212).

4. The welding equipment for automobile parts production according to claim 3 is characterized in that: Two extension rods (26) are fixedly connected to both sides of the support plate (21), the extension rods (26) are arranged along the width direction of the support plate (21), and the extension rods (26) are arranged at the middle position of the length direction of the support plate (21); One end of the extension rod (26) away from the support plate (21) is rotatably connected to the rotating rod (27), one end of the rotating rod (27) is rotatably connected to the end of the extension rod (26) away from the support plate (21), the rotating axis of the rotating rod (27) on the extension rod (26) is horizontal and perpendicular to the length direction of the extension rod (26), the length direction of the rotating rod (27) is perpendicular to the rotating axis of the rotating rod (27), and one end of the rotating rod (27) away from the extension rod (26) is fixedly connected to a support pad (28), and the support pad (28) is configured as a flexible support pad (28); The part of the automobile component clamped by the clamping block (22) is a working part, and side parts bent upward at different angles are arranged on both sides of the working part. Two support pads (28) on the two rotating rods (27) are supported on the side side parts respectively.

5. The welding equipment for automobile parts production according to claim 4, characterized in that: The transmission mechanism (1) comprises a transmission belt (11), two transmission belts (11) are provided, the transmission direction of the transmission belt (11) is horizontal and parallel to the width direction of the support plate (21), and the two transmission belts (11) are arranged side by side; and a transmission roller (12), wherein two transmission rollers (12) are provided, the two transmission rollers (12) are respectively located at two ends of the transmission belt (11), the transmission belt (11) surrounds the two transmission rollers (12) in a closed loop, and the two transmission belts (11) are respectively located at two ends of the transmission roller (12); The two ends of the bottom of the support plate (21) are fixedly connected with connection blocks (25), and the connection blocks (25) are provided in two groups. The two groups of connection blocks (25) are respectively located at the two ends of the support plate (21), and each group of connection blocks (25) is provided with two. The two connection blocks (25) of the same group are arranged along the width direction of the support plate (21). The two groups of connection blocks (25) at the bottom of the support plate (21) are respectively connected to two conveyor belts (11). The conveyor belt (11) is provided with a plurality of groups of connection holes (111), and each group of connection holes (111) is provided with two. The two connection blocks (25) of the same group can be inserted into the two connection holes (111) of the same group.

6. The welding equipment for automobile parts production according to claim 5, characterized in that: The welding mechanism (3) comprises a welding seat (31), and the welding seat (31) is capable of sliding in a horizontal direction perpendicular to the transmission direction of the conveyor belt (11); An electromagnetic block (32), wherein the electromagnetic block (32) is fixedly connected to the bottom of the welding seat (31); A limiting ring (33), wherein the limiting ring (33) is fixedly connected to the bottom of the electromagnetic block (32), and the top end of the screw is inserted into the limiting ring (33) and fits with the inner wall of the limiting ring (33); A rotating ring (311), wherein the rotating ring (311) is sleeved outside the welding seat (31) and is rotatably connected outside the rotating ring (311), the rotating axis of the rotating ring (311) is vertical, and the rotating ring (311) and the limiting ring (33) are coaxially arranged; and a welding gun (35), wherein the welding gun (35) is arranged on the rotating ring (311), the welding gun (35) is arranged tilted, and the bottom end of the welding gun (35) is arranged tilted toward the direction close to the axis of the limiting ring (33), and the welding gun (35) is used for welding the bottom end of the screw in the limiting ring (33) and the connection between the automobile parts.

7. The welding equipment for automobile parts production according to claim 6, characterized in that: The rotating ring (311) is fixedly connected to a support rod (34) arranged in the radial direction of the rotating ring (311), and one end of the top of the welding gun (35) is rotatably connected to the support rod (34), and the rotation axis of the welding gun (35) is horizontal and perpendicular to the length direction of the support rod (34); A connecting assembly (6) is provided at one end of the top of the welding gun (35), and the connecting assembly (6) comprises a connecting plate (61) and an adjusting rod (62). The two connecting plates (61) are fixedly connected to one end of the top of the welding gun (35). The connecting plates (61) are respectively located on both sides of the support rod (34). The connecting plate (61) is provided with a long groove (611) penetrating the connecting plate (61) along the rotation axis of the welding gun (35). The length direction of the long groove (611) is arranged along the length direction of the welding gun (35). Two adjusting rods (62) are fixedly connected to both sides of the support rod (34) and are respectively inserted into the two long grooves (611). The adjusting rods (62) are arranged as round rods. The welding gun (35) rotates around the axis of the adjusting rod (62). The connecting plate (61) can rotate on the adjusting rod (62) and the adjusting rod (62) can slide in the long groove (611) along the length direction of the long groove (611). Two nuts are threadedly connected to the two adjusting rods (62), and the two nuts can be respectively pressed on two sides of the two adjusting plates that are away from each other.

8. The welding equipment for automobile parts production according to claim 7, characterized in that: The grinding mechanism (4) comprises a grinding seat (41), and the grinding seat (41) is capable of sliding in a horizontal direction perpendicular to the transmission direction of the conveyor belt (11); A grinding ring (42), wherein the grinding ring (42) is sleeved outside the grinding seat (41), the axis of the grinding ring (42) is vertical and the grinding ring (42) can rotate around its own axis; A grinding rod (43), wherein the grinding rod (43) is fixedly connected to the outside of the grinding ring (42) and the length direction of the grinding rod (43) is arranged along the radial direction of the grinding ring (42); and a grinder (44), wherein one top end of the grinder (44) is connected to a grinding rod (43), a rotating shaft is provided on the grinder (44), and one bottom end of the rotating shaft is fixedly connected to a grinding head, wherein the grinding head is used to grind the welding part between the screw and the automobile parts.

9. The welding equipment for automobile parts production according to claim 8, characterized in that: The sander (44) is connected to the sanding rod (43) via a connecting assembly (6).

10. The welding equipment for automobile parts production according to claim 9, characterized in that: A feeding mechanism (5) for providing a screw rod for the welding mechanism (3) is provided on one side of the welding mechanism (3); The loading mechanism (5) comprises a loading plate (51), and the loading plate (51) is arranged on one side of the transmission mechanism (1) and is arranged horizontally; A storage box (52), wherein a plurality of bolts stacked vertically are stored in the storage box (52), the storage box (52) is fixedly connected to the top of the loading plate (51), the length direction of the bolts is horizontal and arranged along the length direction of the bottom of the storage box (52), and a clearance hole (521) is arranged on the storage box (52) and passes through the storage box (52) along the length direction of the storage box (52), and the clearance hole (521) is a circular hole and is coaxial with the axis of the lowest bolt in the storage box (52); A push rod (53), the push rod (53) is arranged at one end of the bottom of the storage box (52), the push rod (53) is arranged as a round rod and the diameter of the push rod (53) is equal to the diameter of the bolt, the push rod (53) is coaxial with the clearance hole (521), the length of the push rod (53) is greater than the length of the bottom of the storage box (52), and the push rod (53) can slide along its own length direction to completely push the bottom screw in the storage box (52) out of the storage box (52); A flip tube (55), wherein the flip tube (55) is rotatably connected to the top of the loading plate (51), the rotation axis of the flip tube (55) is horizontal, and one end of the flip tube (55) close to the rotation axis is closed. When the flip tube (55) is rotated to the horizontal, the flip tube (55) is coaxial with the clearance hole (521), and when the flip tube (55) is rotated to the vertical, the limit ring (33) can move to the top of the flip tube (55) and when the limit ring (33) moves to the top of the flip tube (55), the limit ring (33) is coaxial with the flip tube (55); and an auxiliary block (54), wherein the auxiliary block (54) is arranged on a side of the storage box (52) close to the flip tube (55), and an arc groove (541) is arranged on the top of the auxiliary block (54), and the arc groove (541) is coaxial with the clearance hole (521).

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