A new energy automobile part production welding device with positioning structure

Abstract

The present application relates to the technical field of welding, especially to a welding device with positioning structure for new energy automobile part production, which comprises a welding table top, the lower side of the welding table top is fixedly provided with a plurality of supporting legs, the upper side of the welding table top is provided with a center positioning assembly, the center positioning assembly is used for center positioning two circular parts, one side of the center positioning assembly is provided with a rotary drive assembly, the rotary drive assembly is used for driving the circular parts to rotate, the rotary drive assembly is used for driving the center positioning assembly to clamp and release, the other side of the center positioning assembly is provided with a welding assembly, and the rotary drive assembly is used for driving the welding assembly to automatically approach and automatically move away from the center positioning assembly. Through the arrangement of the center positioning assembly, the second centering assembly, the rotary drive assembly, the second drive assembly and the welding assembly, the present application has the functions of one drive multiple, low failure rate, double centering, automatic continuous welding and automatic oiling.

Description

TECHNICAL FIELD

[0001] The application relates to the field of welding technology, in particular to a welding device with a positioning structure for new energy automobile part production. BACKGROUND

[0002] Welding, also known as fusion, is a manufacturing process and technology that connects metal or other thermoplastic materials such as plastic by heating, high temperature or high pressure. There are many energy sources for modern welding, including gas flame, electric arc, laser, electron beam, friction and ultrasonic wave, etc. In addition to being used in factories, welding can also be carried out in various environments, such as outdoors, underwater and space. No matter where welding is carried out, it can pose a risk to the operator, so appropriate protective measures must be taken when welding.

[0003] New energy vehicles refer to vehicles that use unconventional vehicle fuels as power sources (or use conventional vehicle fuels, adopt new vehicle power devices), and combine advanced technologies in vehicle power control and driving to form vehicles with advanced technical principles and new technologies and structures. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid electric vehicles, fuel cell electric vehicles and hydrogen engine vehicles. There are many types of automobile parts, and as people's living standards improve, people's consumption of automobiles is also increasing. The market for automobile parts is becoming larger and larger. In recent years, automobile parts manufacturers have also been developing rapidly. Many automobile parts need to be connected by welding during manufacturing, including welding shafts and flanges to make half shafts and welding pipes and flanges to make part of the pipeline. At present, automatic welding equipment is mostly used for automatic welding.

[0004] The existing automatic welding equipment needs to cooperate with multiple driving elements and sensors to perform automatic welding when performing automatic welding. Such automatic welding equipment has more driving elements and electronic elements, so it has a high failure rate. When a failure occurs, it will affect production efficiency and increase the maintenance cost of the equipment in the later period. Therefore, we propose a welding device with a positioning structure for new energy automobile part production to solve the above problems. SUMMARY

[0005] The present application is a welding device with a positioning structure for new energy automobile part production to solve the problem that the existing automatic welding equipment needs to cooperate with multiple driving elements and sensors to perform automatic welding when performing automatic welding. Such automatic welding equipment has more driving elements and electronic elements, so it has a high failure rate. When a failure occurs, it will affect production efficiency and increase the maintenance cost of the equipment in the later period.

[0006] In order to achieve the above object, the present application adopts the following technical scheme:

[0007] The welding device with a positioning structure for new energy automobile part production is designed, which comprises a welding table top, a plurality of supporting legs are fixedly arranged on the lower side of the welding table top, a center positioning assembly is arranged on the upper side of the welding table top, the center positioning assembly is used for center positioning two circular parts, a rotating driving assembly is arranged on one side of the center positioning assembly, the rotating driving assembly is used for driving the circular parts to rotate, the center positioning assembly comprises a plurality of dual-purpose wheels, the rotating driving assembly is used for driving one dual-purpose wheel to rotate, the rotating driving assembly is used for driving the center positioning assembly to clamp and loosen, a welding assembly is arranged on the other side of the center positioning assembly, the welding assembly is used for welding between the two circular parts, the center positioning assembly is located between the welding assembly and the rotating driving assembly, and the rotating driving assembly is used for driving the welding assembly to automatically approach and automatically move away from the center positioning assembly.

[0008] Preferably, the center positioning assembly comprises a circular plate, a vertical shaft is fixedly arranged on the lower side of the circular plate, the lower end of the vertical shaft is fixed on the upper side of the welding table top, a plurality of H-shaped holes are arranged on the upper side of the circular plate, an H-shaped block is rotatably arranged on the outer periphery of the dual-purpose wheel, a second centering assembly is arranged above the dual-purpose wheel, the H-shaped block slides on the inner side of the H-shaped hole, a control shaft is rotatably arranged on the inner side of the dual-purpose wheel, a control disc is rotatably arranged on the outer periphery of the vertical shaft, a plurality of inclined control holes are arranged on the upper side of the control disc, and the control shaft slides on the inner side of the inclined control hole.

[0009] Preferably, the second centering assembly comprises a guide frame, the guide frame is fixed on the outer periphery of the circular plate, a guide groove is arranged on the upper side of the guide frame, a guide plate is rotatably arranged on the outer periphery of the control shaft, the guide plate slides on the inner side of the guide groove, an adjusting sleeve is fixedly arranged on the upper side of the guide plate, an adjusting rod is slidably arranged in the inner side of the adjusting sleeve, a centering wheel is rotatably arranged on the upper side of the adjusting rod, a plurality of first threaded holes are arranged on the upper side of the adjusting sleeve, and first bolts are threadedly connected in the inner sides of the first threaded holes.

[0010] Preferably, the rotating drive assembly comprises a hydraulic cylinder fixed on the upper side of the welding table, a shaft end of the hydraulic cylinder is fixedly provided with a translation frame, the translation frame is fixedly provided with a translation seat and a translation elbow, the translation frame, the translation seat and the translation elbow slide on the upper side of the welding table, one side of the translation seat is provided with two connecting holes, the following frame slides in the inner side of the two connecting holes, the lower side of one of the dual-purpose wheels is fixedly provided with a circular tube, a following block is rotatably arranged on the outer periphery of the circular tube, the following block slides on one side of the following frame, one side of the following frame is fixedly provided with a first rack, a first gear is fixedly arranged on the outer periphery of the circular tube, the first gear is in transmission connection with the first rack through meshing, and the control disc and the translation seat are provided with a second drive assembly.

[0011] Preferably, the second drive assembly comprises a second gear fixed on the outer periphery of the control disc, one side of the translation seat is provided with a sliding groove, a T-shaped rod is slidably arranged in the inner side of the sliding groove, one side of the T-shaped rod is fixedly provided with a second rack, the second rack is in transmission connection with the second gear through meshing, the other side of the translation seat is fixedly provided with a U-shaped cover, one side of the U-shaped cover is fixedly provided with a fixed plate, the other side of the T-shaped rod is fixedly provided with a stress plate, and the stress plate and the fixed plate are fixedly provided with a tension spring therebetween.

[0012] Preferably, the welding assembly comprises a laser welding machine, the laser welding machine comprises a laser welding head, the upper side of the welding table is slidably provided with a moving seat, one side of the moving seat is fixedly provided with a connecting frame, the lower side of the laser welding head is fixedly provided with a mounting frame, one side of the mounting frame is provided with an oiling assembly, the mounting frame slides in the inner side of the connecting frame, one side of the connecting frame is provided with a second threaded hole, a second bolt is threadedly connected in the inner side of the second threaded hole, and the moving seat and the translation elbow are provided with a translation drive assembly.

[0013] Preferably, the translation drive assembly comprises a translation shaft, a translation rod is rotatably arranged on the outer periphery of the translation shaft, a guide sleeve is slidably arranged on the outer periphery of the translation rod, one side of the moving seat is provided with a through hole, the guide sleeve is fixed in the inner side of the through hole, the translation rod slides in the inner side of the guide sleeve, the upper side of the guide sleeve is provided with a third threaded hole, a third bolt is threadedly connected in the inner side of the third threaded hole, and the upper side of the translation elbow is provided with a driving elbow groove, the translation shaft slides in the inner side of the driving elbow groove.

[0014] Preferably, the oiling assembly comprises an extension frame, a cylinder, one side of the extension frame is fixedly provided with a square tube, a connecting seat is fixedly arranged on the outer periphery of the cylinder, the connecting seat is fixed on the square tube, a back-and-forth block is slidably arranged on the inner side of the square tube, the shaft end of the cylinder is fixed on one side of the back-and-forth block, an oiling brush is fixedly arranged on the other side of the back-and-forth block, one side of the square tube is provided with an oil inlet hole, an oil inlet pipe is fixedly arranged on the inner side of the oil inlet hole, an oil storage box is fixedly arranged on the outer periphery of the oil inlet pipe, the oil storage box is fixed on the upper side of the square tube, a rubber block is fixedly arranged on one side of the back-and-forth block, an oil running groove is arranged on the inner wall of the square tube, and an oil running hole is arranged on one side of the back-and-forth block.

[0015] The welding device with the positioning structure for new energy automobile part production has the advantages that:

[0016] (1) The rotating driving assembly, the centering positioning assembly and the welding assembly are arranged, so that the welding device has the functions of one drive multiple, low failure rate, single hydraulic cylinder driving element can drive the clamp to loosen and clamp, can drive the circular part to rotate, can drive the welding assembly to automatically approach and automatically move away from the part, the driving element and the electronic element of the device are less, the failure rate is low, the production efficiency can be ensured, and the maintenance cost of the device in the later period is low.

[0017] (2) The welding assembly, the translation driving assembly and the rotating driving assembly are arranged, so that the welding device has the functions of automatic welding, automatic approaching and automatic moving away, can automatically weld the circular part, and when welding is needed, the welding assembly can automatically approach the part, and when the material needs to be replaced, the welding assembly can automatically move away from the part.

[0018] (3) The centering positioning assembly, the second centering assembly, the rotating driving assembly and the second driving assembly are arranged, so that the welding device has the functions of double centering and automatic continuous welding, can center and position two circular parts, can make the circular part rotate when welding, so that automatic continuous welding can be realized, and a circular path can be continuously welded.

[0019] (4) The welding assembly, the rotating driving assembly and the oiling assembly are arranged, so that the welding device has the function of automatic oiling, can apply rust-proof oil to the weld after welding is completed, can prevent rusting at the weld, and manual oiling is not needed after welding is completed, so that manpower can be saved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The front perspective structural schematic diagram of the welding device with the positioning structure for new energy automobile part production is shown in the drawings.

[0021] Figure 2This is a three-dimensional back view of a welding device with a positioning structure for the production of new energy vehicle parts proposed in this invention.

[0022] Figure 3 This is a side-section three-dimensional structural diagram of a welding device with a positioning structure for the production of new energy vehicle parts proposed in this invention.

[0023] Figure 4 The invention proposed Figure 3 A magnified schematic diagram of a portion of area A in the middle;

[0024] Figure 5 The invention proposed Figure 3 A magnified schematic diagram of a portion of region B in the middle section;

[0025] Figure 6 This is a three-dimensional cross-sectional view of the top surface of a welding device with a positioning structure for the production of new energy vehicle parts proposed in this invention.

[0026] Figure 7 This is a three-dimensional structural diagram of a welding device with a positioning structure for the production of new energy vehicle parts proposed in this invention, cut from a slant side.

[0027] Figure 8 The invention proposed Figure 7 A magnified schematic diagram of a portion of the C region;

[0028] Figure 9 The invention proposed Figure 8 A magnified schematic diagram of a portion of region D.

[0029] In the diagram: 1. Welding table; 2. Support leg; 3. Dual-purpose wheel; 4. Circular plate; 5. Vertical shaft; 6. H-shaped hole; 7. H-shaped block; 8. Control shaft; 9. Control panel; 10. Angled control hole; 11. Guide frame; 12. Guide plate; 13. Adjusting sleeve; 14. Adjusting rod; 15. Centering wheel; 16. First bolt; 17. Hydraulic cylinder; 18. Translation frame; 19. Translation seat; 20. Translation bent rod; 21. Following frame; 22. Circular tube; 23. Following block; 24. First rack; 25. First gear; 26. Second gear 27. T-shaped rod; 28. Second rack; 29. ​​U-shaped cover; 30. Fixing plate; 31. Force plate; 32. Tension spring; 33. Laser welding head; 34. Moving seat; 35. Connecting frame; 36. Mounting frame; 37. Second bolt; 38. Translation shaft; 39. Translation rod; 40. Guide sleeve; 41. Third bolt; 42. Drive bend; 43. Extension frame; 44. Square tube; 45. Cylinder; 46. Connecting seat; 47. Reciprocating block; 48. Oil brush; 49. Oil inlet pipe; 50. Oil storage box; 51. Rubber plug. Detailed Implementation

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.

[0031] With reference to Figures 1 to 9The utility model provides a new energy automobile parts production is with positioning structure's welding device, including welding mesa 1, the downside of welding mesa 1 is fixedly arranged with a plurality of support legs 2, the upside of welding mesa 1 is equipped with central positioning subassembly, central positioning subassembly is used for the central positioning of two circular parts, and central positioning subassembly includes a plurality of dual -purpose wheel 3 and round plate 4, the downside of round plate 4 is fixedly arranged with vertical shaft 5, and the lower end of vertical shaft 5 is fixed on the upside of welding mesa 1, and the upside of round plate 4 is equipped with a plurality of H type holes 6, and the outer circle of dual -purpose wheel 3 is rotatably provided with H type block 7, and the inner side of dual -purpose wheel 3 is rotatably provided with control shaft 8, and the above of dual -purpose wheel 3 is equipped with second centralizing subassembly, and second centralizing subassembly includes guide frame 11, and guide frame 11 is fixed on the outer circle of round plate 4, and guide frame 11 is L type structure, and the upside of guide frame 11 is equipped with guide groove, and the outer circle of control shaft 8 is rotatably provided with guide plate 12, and guide plate 12 slides in the inner side of guide groove, and the upside of guide plate 12 is fixedly arranged with adjusting sleeve 13, and the inner side of adjusting sleeve 13 is slidably provided with adjusting rod 14, and the upside of adjusting rod 14 is rotatably provided with centralizing wheel 15, and the upside of adjusting sleeve 13 is equipped with a plurality of first threaded holes, and the inner side of first threaded hole is connected with first bolt 16 through screw thread, and the lower end of first bolt 16 is in contact with the upside of adjusting rod 14, before using, need according to the size of the circular part above, to adjust the position of centralizing wheel 15, need to adjust the position of centralizing wheel 15, need to loosen first bolt 16 first, then move adjusting rod 14, can adjust the position of centralizing wheel 15, after adjusting, need to tighten first bolt 16, need to note: three centralizing wheels 15 need to be adjusted to be in the state of circumferential uniform distribution, and need to make centralizing wheel 15 can contact the circular part above, to ensure that the circular part above can be clamped stably, H type block 7 slides in the inner side of H type hole 6, the outer circle of vertical shaft 5 is rotatably provided with control disc 9, the upside of control disc 9 is equipped with a plurality of inclined control holes 10, control shaft 8 slides in the inner side of inclined control hole 10, the upside of round plate 4 is fixedly arranged with a plurality of pad strips, the number of dual -purpose wheel 3, H type hole 6, inclined control hole 10 is three, and dual -purpose wheel 3, H type hole 6, inclined control hole 10 are circumferentially divided, after adjusting centralizing wheel 15, need to weld two circular parts, also need to place the circular part below on round plate 4 first, then the circular part above is inserted in the circular part below, then the two circular parts can be clamped, need to clamp two circular parts, need to rotate control disc 9, control shaft 8 will slide in the inner side of inclined control hole 10 when control disc 9 rotates, since inclined control hole 10 is inclined structure, control shaft 8 will be close to the center of control disc 9, so control shaft 8 will drive H type block 7 to be close to each other, when H type block 7 is close to each other, also make dual -purpose wheel 3, centralizing wheel 15 close to each other, so that the circular part below can be clamped between a plurality of dual -purpose wheel 3, the circular part above can be clamped between a plurality of centralizing wheels 15, so that double clamping can be completed.

[0032] AsFigures 2 to 4 、 Figure 6 As shown in the figure, one side of the center positioning assembly is provided with a rotary drive assembly for driving the center positioning assembly to clamp and loosen, the rotary drive assembly includes a hydraulic cylinder 17, a following frame 21, the hydraulic cylinder 17 is externally connected with a solenoid valve through an oil pipe, before use, the hydraulic cylinder 17 is in a fully retracted state, the hydraulic cylinder 17 is fixed on the upper side of the welding table 1, the shaft end of the hydraulic cylinder 17 is fixedly provided with a translation frame 18, the translation frame 18 is fixedly provided with a translation seat 19 and a translation bent rod 20, the translation frame 18 is located between the translation seat 19 and the translation bent rod 20, the translation frame 18, the translation seat 19 and the translation bent rod 20 slide on the upper side of the welding table 1, a second drive assembly is arranged between the control disc 9 and the translation seat 19, the second drive assembly includes a second gear 26, the second gear 26 is fixed on the outer periphery of the control disc 9, one side of the translation seat 19 is provided with a sliding groove, a T-shaped rod 27 is slidably arranged in the inner side of the sliding groove, one side of the T-shaped rod 27 is fixedly provided with a second rack 28, the second rack 28 is in driving connection with the second gear 26 through meshing, the other side of the translation seat 19 is fixedly provided with a U-shaped cover 29, one side of the U-shaped cover 29 is fixedly provided with a fixed plate 30, the other side of the T-shaped rod 27 is fixedly provided with a stress plate 31, a tension spring 32 is fixedly arranged between the stress plate 31 and the fixed plate 30, when it is needed to clamp two circular parts, the hydraulic cylinder 17 needs to be controlled to extend, when the hydraulic cylinder 17 extends, the translation frame 18 and the translation seat 19 will move, the translation seat 19 will drive the T-shaped rod 27 and the second rack 28 to move together, when the second rack 28 moves, the second gear 26 and the control disc 9 will rotate, when the control disc 9 rotates, automatic clamping can be realized, so that automatic clamping can be realized.

[0033] As Figure 1 、 Figure 4 、 Figure 6As shown, the rotary drive assembly is used to drive the circular part to rotate, specifically: the rotary drive assembly is used to drive a dual-purpose wheel 3 to rotate, after the dual-purpose wheel 3 clamps the circular part, the rotation of the dual-purpose wheel 3 can drive the circular part to rotate, one side of the translation seat 19 is provided with two connecting holes, and the follower frame 21 slides in the inner side of the two connecting holes. The follower frame 21 is of U-shaped structure, the lower side of a dual-purpose wheel 3 is fixedly provided with a circular tube 22, the outer periphery of the circular tube 22 is rotatably provided with a follower block 23, the follower block 23 slides on one side of the follower frame 21, one side of the follower frame 21 is fixedly provided with a first rack 24, the outer periphery of the circular tube 22 is fixedly provided with a first gear 25, the first gear 25 is in driving connection with the first rack 24 through meshing, one control shaft 8 rotates in the inner side of the circular tube 22, when clamping two circular parts, the dual-purpose wheel 3 will stop moving after contacting the circular part, at this time, clamping will be completed, then the hydraulic cylinder 17 needs to continue to extend, at this time, the control disc 9 cannot continue to rotate, so the T-shaped rod 27 cannot continue to move, and the translation seat 19 will continue to move, then the tension spring 32 will be stretched, and the translation seat 19 will drive the follower frame 21 and the first rack 24 to move together when moving, the first rack 24 will make the first gear 25, the circular tube 22 and a dual-purpose wheel 3 rotate when moving, so that the lower circular part can be driven to rotate by the dual-purpose wheel 3 after the dual-purpose wheel 3 clamps the lower circular part, and the tension of the tension spring 32 will make the several dual-purpose wheels 3 clamp the lower circular part, so as to ensure that the dual-purpose wheel 3 can drive the lower circular part to rotate, when the lower circular part starts to rotate, the circular part can be welded by the welding assembly.

[0034] As Figures 1 to 3 , Figure 5As shown, the other side of the center positioning assembly is provided with a welding assembly for welding between two circular parts, the center positioning assembly is located between the welding assembly and the rotary driving assembly, the welding assembly and the rotary driving assembly are located on the upper side of the welding table 1, the welding assembly includes a laser welding machine, the laser welding machine includes a laser welding head 33, the upper side of the welding table 1 is slidably provided with a moving seat 34, the rotary driving assembly is used to drive the welding assembly to automatically approach and automatically move away from the center positioning assembly, specifically: the moving seat 34 and the translation bending rod 20 are provided with a translation driving assembly, the translation driving assembly includes a translation shaft 38, the outer circumference of the translation shaft 38 is rotatably provided with a translation rod 39, the outer circumference of the translation rod 39 is slidably provided with a guide sleeve 40, one side of the moving seat 34 is provided with a through hole, the guide sleeve 40 is fixed on the inner side of the through hole, the translation rod 39 slides on the inner side of the guide sleeve 40, the upper side of the guide sleeve 40 is provided with a third threaded hole, the inner side of the third threaded hole is threadedly connected with a third bolt 41, the lower end of the third bolt 41 is in contact with the translation rod 39, the upper side of the translation bending rod 20 is provided with a driving bending groove 42, the translation shaft 38 slides on the inner side of the driving bending groove 42, when clamping the circular part, the hydraulic cylinder 17 will be controlled to extend, when the hydraulic cylinder 17 extends, the translation frame 18 and the translation bending rod 20 will move, when the translation bending rod 20 moves, the translation shaft 38 will slide on the inner side of the driving bending groove 42, because the driving bending groove 42 is a curved structure, so when the translation bending rod 20 moves, the translation shaft 38, the translation rod 39 and the moving seat 34 can be translated through the driving bending groove 42, so that the moving seat 34 can automatically approach the circular part when welding is needed, and after welding is completed, the hydraulic cylinder 17 is controlled to retract, so that the moving seat 34 automatically moves away from the circular part. It should be noted that before use, the distance between the translation shaft 38 and the moving seat 34 needs to be adjusted according to the welding position, so that the laser welding head 33 can accurately align the weld, when adjusting the distance between the translation shaft 38 and the moving seat 34, the third bolt 41 needs to be loosened first, then the moving seat 34 is adjusted, and then the third bolt 41 is tightened for locking.

[0035] As Figure 2 、 Figure 3As shown, one side of the moving seat 34 is fixedly provided with a connecting frame 35, the connecting frame 35 is a U-shaped structure, the lower side of the laser welding head 33 is fixedly provided with a mounting frame 36, the mounting frame 36 slides on the inner side of the connecting frame 35, one side of the connecting frame 35 is provided with a second threaded hole, the inner side of the second threaded hole is threadedly connected with a second bolt 37, one end of the second bolt 37 is in contact with the mounting frame 36, before use, the height of the laser welding head 33 also needs to be adjusted according to the thickness of the lower circular part or the height of the welding seam, when adjusting the height of the laser welding head 33, the second bolt 37 needs to be loosened first, then the height of the mounting frame 36 is adjusted up and down, that is, the height of the laser welding head 33 can be adjusted, after the adjustment is completed, the second bolt 37 is tightened to be locked, and when welding is needed, the laser welding machine is started, and the two circular parts are welded through the laser welding head 33, so that automatic welding can be realized, when welding, the two circular parts need to be in a clamped state, and the hydraulic cylinder 17 needs to be controlled to continuously extend to make the circular part rotate, so that automatic continuous welding can be realized, and circular welds can be continuously welded.

[0036] As Figures 7 to 9As shown, one side of the mounting frame 36 is provided with an oiling assembly, which comprises an extension frame 43, a cylinder 45, the extension frame 43 is fixed on one side of the mounting frame 36, a square tube 44 is fixed on one side of the extension frame 43, the cylinder 45 is externally connected with a solenoid valve through a gas pipe, a connecting seat 46 is fixed on the outer periphery of the cylinder 45, the connecting seat 46 is fixed on the square tube 44, a back-and-forth block 47 is slidably arranged on the inner side of the square tube 44, the shaft end of the cylinder 45 is fixed on one side of the back-and-forth block 47, an oiling brush 48 is fixed on the other side of the back-and-forth block 47, one side of the square tube 44 is provided with an oil inlet hole, an oil inlet pipe 49 is fixed on the inner side of the oil inlet hole, an oil storage box 50 is fixed on the upper side of the square tube 44, an appropriate amount of rust-proof oil needs to be poured into the oil storage box 50 before use, a rubber plug 51 is fixed on one side of the back-and-forth block 47, an oil running groove is arranged on the inner wall of the square tube 44, an oil running hole is arranged on one side of the back-and-forth block 47, during welding, when the laser welding head 33 is opened and the circular part rotates one round, the welding is completed, at this time, the laser welding head 33 needs to be controlled to stop welding, and the hydraulic cylinder 17 needs to be controlled to stop extending, then the cylinder 45 is controlled to extend, the extension of the cylinder 45 drives the oiling brush 48 to extend from the square tube 44, and the oiling brush 48 contacts the two circular parts and the weld, then the hydraulic cylinder 17 is controlled to retract, the retraction of the hydraulic cylinder 17 drives the circular part to rotate in the opposite direction, so that an appropriate amount of rust-proof oil can be applied on the circular weld, so that automatic oiling can be realized, after the oiling is completed, the cylinder 45 needs to be controlled to retract, so that the oiling brush 48 enters the square tube 44, during the extension of the cylinder 45, the rubber plug 51 cannot plug the oil inlet hole, the rust-proof oil in the oil storage box 50 can enter the square tube 44 through the oil inlet pipe 49 and the oil inlet hole, the rust-proof oil entering the square tube 44 will drip or flow into the oil running groove through the oil running hole, during the retraction of the cylinder 45, the oiling brush 48 is in the square tube 44, the rubber plug 51 plugs the oil inlet hole to stop oil supply, and the oiling brush 48 absorbs the oil in the oil running groove, so that automatic and appropriate oil supply is realized, then the hydraulic cylinder 17 is controlled to retract, so that the moving seat 34 automatically moves away from the circular part, the dual-purpose wheel 3 and the centering wheel 15 also move away from each other to loosen the circular part, and the tension spring 32 is also shortened and reset, when the hydraulic cylinder 17 is completely retracted, the equipment is in the initial state, automatic reset can be completed, then the equipment can be replaced through the replacement equipment, and continuous machining can be realized through repeated operation.

Claims

1. A welding device with positioning structure for new energy automobile part production, comprising a welding table (1), the lower side of the welding table (1) is fixedly provided with a plurality of supporting legs (2), characterized in that, The upper side of the welding platform (1) is provided with a center positioning assembly, which is used for center positioning of two cylindrical parts. One side of the center positioning assembly is provided with a rotary drive assembly, which is used for driving the cylindrical part to rotate. The center positioning assembly comprises a plurality of dual-purpose wheels (3). The rotary drive assembly is used for driving one dual-purpose wheel (3) to rotate. The rotary drive assembly is used for clamping and loosening the center positioning assembly. The other side of the center positioning assembly is provided with a welding assembly, which is used for welding between two cylindrical parts. The center positioning assembly is located between the welding assembly and the rotary drive assembly. The rotary drive assembly is used for driving the welding assembly to automatically approach and automatically move away from the center positioning assembly. The center positioning assembly comprises a circular plate (4), the lower side of which is fixedly provided with a vertical shaft (5), the lower end of which is fixed to the upper side of the welding platform (1). The upper side of the circular plate (4) is provided with a plurality of H-shaped holes (6). The outer periphery of the dual-purpose wheel (3) is rotatably provided with an H-shaped block (7). The upper side of the dual-purpose wheel (3) is provided with a second centering assembly. The H-shaped block (7) slides on the inner side of the H-shaped hole (6). The inner side of the dual-purpose wheel (3) is rotatably provided with a control shaft (8). The outer periphery of the vertical shaft (5) is rotatably provided with a control disc (9). The upper side of the control disc (9) is provided with a plurality of inclined control holes (10). The control shaft (8) slides in the inclined control hole (10). The second centering assembly comprises a guide frame (11), which is fixed on the outer periphery of the circular plate (4). The upper side of the guide frame (11) is provided with a guide groove. The outer periphery of the control shaft (8) is rotatably provided with a guide plate (12), which slides in the guide groove. The upper side of the guide plate (12) is fixedly provided with an adjusting sleeve (13). The inner side of the adjusting sleeve (13) is slidably provided with an adjusting rod (14). The upper side of the adjusting rod (14) is rotatably provided with a centering wheel (15). The upper side of the adjusting sleeve (13) is provided with a plurality of first threaded holes. The inner side of the first threaded hole is threadedly connected with a first bolt (16). The rotating drive assembly includes a hydraulic cylinder (17), a following frame (21), the hydraulic cylinder (17) is fixed on the upper side of the welding table (1), the shaft end of the hydraulic cylinder (17) is fixedly provided with a translation frame (18), the translation frame (18) is fixedly provided with a translation seat (19) and a translation bent rod (20), the translation frame (18), the translation seat (19) and the translation bent rod (20) slide on the upper side of the welding table (1), one side of the translation seat (19) is provided with two connecting holes, the following frame (21) slides on the inner side of the two connecting holes, the lower side of one of the dual-purpose wheels (3) is fixedly provided with a circular tube (22), the outer periphery of the circular tube (22) is rotatably provided with a following block (23), the following block (23) slides on one side of the following frame (21), one side of the following frame (21) is fixedly provided with a first rack (24), the outer periphery of the circular tube (22) is fixedly provided with a first gear (25), the first gear (25) is drivingly connected with the first rack (24) through engagement, and a second drive assembly is arranged between the control disc (9) and the translation seat (19). The second drive assembly includes a second gear (26), the second gear (26) is fixed on the outer periphery of the control disc (9), one side of the translation seat (19) is provided with a sliding groove, the inner side of the sliding groove is slidably provided with a T-shaped rod (27), one side of the T-shaped rod (27) is fixedly provided with a second rack (28), the second rack (28) is drivingly connected with the second gear (26) through engagement, the other side of the translation seat (19) is fixedly provided with a U-shaped cover (29), one side of the U-shaped cover (29) is fixedly provided with a fixed plate (30), the other side of the T-shaped rod (27) is fixedly provided with a stress plate (31), and the stress plate (31) and the fixed plate (30) are fixedly provided with a tension spring (32) therebetween.

2. The welding device with positioning structure for new energy vehicle part production according to claim 1, characterized in that, The welding assembly includes a laser welding machine, the laser welding machine includes a laser welding head (33), the upper side of the welding table (1) is slidably provided with a moving seat (34), one side of the moving seat (34) is fixedly provided with a connecting frame (35), the lower side of the laser welding head (33) is fixedly provided with a mounting frame (36), one side of the mounting frame (36) is provided with an oiling assembly, the mounting frame (36) slides in the inner side of the connecting frame (35), one side of the connecting frame (35) is provided with a second threaded hole, the inner side of the second threaded hole is threadedly connected with a second bolt (37), and the moving seat (34) and the translation bent rod (20) are provided with a translation drive assembly.

3. The welding device with positioning structure for new energy vehicle part production according to claim 2, characterized in that, The translation driving assembly comprises a translation shaft (38), a translation rod (39) is arranged on the outer periphery of the translation shaft (38) and rotates, a guide sleeve (40) is arranged on the outer periphery of the translation rod (39) and slides, one side of the moving base (34) is provided with a through hole, the guide sleeve (40) is fixed on the inner side of the through hole, the translation rod (39) slides on the inner side of the guide sleeve (40), the upper side of the guide sleeve (40) is provided with a third threaded hole, the inner side of the third threaded hole is provided with a third bolt (41) through threaded connection, the upper side of the translation elbow rod (20) is provided with a driving elbow groove (42), and the translation shaft (38) slides in the inner side of the driving elbow groove (42).

4. The welding device with positioning structure for new energy vehicle part production according to claim 2, characterized in that, The oiling assembly comprises an extension frame (43) and a cylinder (45), one side of the extension frame (43) is fixed on the mounting frame (36), a square tube (44) is fixed on one side of the extension frame (43), a connecting base (46) is fixed on the outer periphery of the cylinder (45), the connecting base (46) is fixed on the square tube (44), a back-and-forth block (47) is arranged on the inner side of the square tube (44) and slides, the shaft end of the cylinder (45) is fixed on one side of the back-and-forth block (47), an oiling brush (48) is fixed on the other side of the back-and-forth block (47), one side of the square tube (44) is provided with an oil inlet hole, the oil inlet hole is fixed on the inner side and provided with an oil inlet pipe (49), the oil inlet pipe (49) is fixed on the outer periphery and provided with an oil storage box (50), the oil storage box (50) is fixed on the upper side of the square tube (44), a rubber plug (51) is fixed on one side of the back-and-forth block (47), an oil groove is arranged on the inner wall of the square tube (44), and an oil hole is arranged on one side of the back-and-forth block (47).

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