AVG case copper bar diffusion welding device

Abstract

The utility model belongs to the technical field of diffusion welding, and discloses an AVG case copper bar diffusion welding device which comprises an operation box, supporting legs and a driving air cylinder, a sliding plate is vertically arranged in the operation box in a sliding mode, a piston rod of the driving air cylinder is connected with the sliding plate, an upper module is arranged on the lower side of the sliding plate, and a lower module is arranged at the bottom in the operation box. Through grooves are formed in the two sides of the lower module, lower clamping blocks are slidably arranged on the lower side walls of the through grooves, the tops of the lower clamping blocks are inclined planes, limiting blocks are arranged on the upper portions of the inclined planes of the tops of the lower clamping blocks, upper clamping blocks are slidably arranged on the tops of the lower clamping blocks in the inclined plane direction, connecting columns are horizontally arranged on the side walls of the upper clamping blocks and the side walls of the lower clamping blocks, and a first spring is arranged between the two connecting columns. And a pushing mechanism is arranged at the bottom in the operation box. And after the bottom of the upper module is in contact with the upper side of the top copper bar and the top of the upper clamping block, the upper module continuously presses downwards, and the upper clamping block slides downwards along the inclined surface of the top of the lower clamping block, so that the upper clamping block and the lower clamping block are prevented from influencing the descending of the upper module while the plurality of copper bars are fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of diffusion welding, in particular to an AVG chassis copper bar diffusion welding device. Background Art

[0002] To ensure stable power transmission between its internal components, the AVG operating box typically uses diffusion welding on the copper busbars used for power transmission. This ensures a secure connection, low interface resistance, and high reliability. Diffusion welding is a welding method that brings the surfaces of multiple materials to be welded into contact under a certain temperature and pressure. Through microscopic plastic deformation or the generation of a trace liquid phase on the weld surface, the physical contact between the surfaces is expanded to within (1-5) x 10-8 cm (this allows the attraction between atoms to take effect and form a metallic bond). The metallurgical bond is then achieved through a long period of continuous diffusion and interpenetration of the atoms.

[0003] A Chinese utility model patent, publication number CN216227505U, discloses a copper busbar polymer diffusion welding device comprising an operating box, a telescopic cylinder, and a movable base. The movable base has an upper module fixed to its bottom end, a lower module fixed to the inner sidewall of the bottom end of the operating box, and two symmetrically arranged lifting plates slidingly extending through the bottom end of the operating box. The top ends of the two lifting plates are fixed to the bottom end of the movable base. The sidewalls of the two lifting plates, which are adjacent to each other, each have a slide groove, a slide plate fixed to one side of the slide groove, and positioning assemblies are provided on both sides of the lower module, which cooperate with the slide plate. The positioning assemblies include two sliding frames fixed to the inner wall of the bottom end of the operating box, the inner sidewalls of the sliding frames being slidably connected to sliding rods, and the sidewalls of the lower module each having a symmetrically arranged through groove, the inner portion of which is slidably connected to a positioning block. One end of the sliding rod is fixed to the adjacent positioning block, and the other end of the sliding rod is fixed to a rotating frame, and the inner sidewall of the rotating frame is rotatably connected to a roller that cooperates with the slide plate. The positioning block is driven by the sliding plate to squeeze the pulley to automatically position the copper busbar in the lower module, so that the copper busbar is more stable during welding.

[0004] Regarding the above-mentioned related technologies, the inventors believe that the following defects exist: when diffusion welding is performed on copper bars, several thin copper bars are often stacked together for welding. The height of the positioning block of the above-mentioned device is fixed. When the height of the positioning block is high enough to block and position all the copper bars, the upper module will contact the top of the positioning block after pressing down, and it cannot be guaranteed that the upper module will press all the copper bars, thereby affecting the welding quality; when the positioning block is low and does not affect the downward pressure of the upper module, the upper part of the positioning block cannot contact the side of the top copper bar, thereby failing to fix the top copper bar. Utility Model Content

[0005] In order to solve the above problems, the utility model provides an AVG chassis copper busbar diffusion welding device.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: an AVG chassis copper bar diffusion welding device, comprising an operating box, a plurality of supporting legs are provided at the bottom of the operating box, a horizontally arranged sliding plate is provided vertically in the operating box, a driving cylinder is provided vertically on the top of the operating box, the piston rod of the driving cylinder passes downward through the top of the operating box and is connected to the top of the sliding plate, an upper module is provided on the lower side of the sliding plate, a lower module is provided at the bottom of the operating box corresponding to the upper module, through slots are provided on both sides of the lower module, and the groove wall on the lower side of the through slot is along the direction of the through slot opening. A lower clamping block is provided for sliding, and the top of the lower clamping block is an inclined surface, and the inclination direction of the inclined surface of the top of the lower clamping block is perpendicular to the sliding direction of the lower clamping block. A limiting block is provided on the upper part of the inclined surface of the top of the lower clamping block, and an upper clamping block is provided on the top of the lower clamping block for sliding along the inclined surface direction. The side walls of the upper and lower clamping blocks adjacent to the middle of the lower module are coplanar, and connecting columns are horizontally provided on the side walls of the upper and lower clamping blocks away from the middle of the lower module. A first spring is provided between the two connecting columns, and the two ends of the first spring are respectively connected to the two connecting columns. Both sides of the bottom of the operating box are provided with a pushing mechanism that drives the lower clamping block to slide.

[0007] When the upper and lower modules are lowered, the upper and lower modules are lowered, and the upper and lower modules are lowered, so that the upper and lower modules are lowered, and the upper and lower modules are lowered. When the upper and lower modules are lowered, the lower and lower modules are lowered, and the upper and lower modules are lowered, the upper and lower modules are lowered, and the upper and lower modules are lowered. When the upper and lower modules are lowered, the lower and lower modules are lowered, and the upper and lower modules are lowered, the upper and lower modules are lowered, and the upper and lower modules are lowered. When the upper and lower modules are lowered, the upper and lower modules are lowered, and the upper and lower modules are lowered.

[0008] Furthermore, a receiving groove is provided on the top of the upper clamping block, a rotating shaft is rotatably provided between the groove walls on both sides of the receiving groove, the length direction of the rotating shaft is consistent with the sliding direction of the lower clamping block, and a metal wheel is rotatably provided on the rotating shaft.

[0009] By adopting the above technical solution, a receiving groove, a rotating shaft and a metal wheel are provided. When the upper module is pressed down, the bottom of the upper module contacts the metal wheel first, making it easier for the upper module to press the upper clamp downward.

[0010] Furthermore, the pushing mechanism includes a horizontal slide rail horizontally arranged at the bottom of the operation box, the length direction of the horizontal slide rail is consistent with the opening direction of the through slot, a sliding seat is slidably provided on the horizontal slide rail, a connecting seat is provided on the side of the sliding seat adjacent to the lower module, the connecting seat is connected to the lower clamping block, a square rod is horizontally slidably provided on the side of the sliding seat away from the lower module, an adjusting component for adjusting the position of the square rod is provided on the sliding seat, two mounting plates are spaced apart on the side of the square rod away from the lower module, a roller is rotatably provided between the two mounting plates, and the wheel of the roller The core is located on a horizontal plane and the direction of the wheel core is perpendicular to the length direction of the horizontal slide rail. Through holes are vertically opened on both sides of the bottom of the operating box, and square columns are slidingly arranged in the through holes. The top of the square column is connected to the bottom of the sliding plate, and a slide groove is vertically opened on the square column. The two slide groove openings are opposite to each other, and a pushing block is provided at the bottom of the upper groove of the slide. The bottom of the slide groove is located at the lower side of the pushing block and a wedge block connected to the pushing block is provided. The bottom of the wedge block is an inclined surface, and the inclined surface of the bottom of the wedge block is inclined from the bottom of the slide groove to the slide groove opening from bottom to top, and the roller wheel surface contacts the bottom of the slide groove.

[0011] By adopting the above technical solution, a horizontal slide rail, a sliding seat, a connecting seat, a square rod, an adjustment assembly, a mounting plate, and a roller are set. When the sliding plate descends, the square column is driven to descend, so that the roller rolls in the slide groove. When the roller contacts the wedge block, the wedge block pushes the square rod, the sliding seat, and the connecting seat to slide, thereby pushing the lower clamping block and the upper clamping block toward the middle of the lower module. When the roller contacts the pushing block, the square rod, the sliding seat, and the connecting seat maintain their current positions, so that the lower clamping block and the upper clamping block keep clamping the copper busbar.

[0012] Furthermore, a stop block is provided on one side of the sliding seat, a mounting block is provided at the bottom of the operating box, a sliding rod is provided on one side of the mounting block, a circular hole is provided on the stop block, the stop block is slidably connected to the sliding rod through the circular hole, and a second spring is provided on the rod body of the sliding rod located between the stop block and the mounting block, one end of the second spring is connected to the stop block, and the other end is connected to the mounting block.

[0013] By adopting the above technical solution, a stop block, a mounting block, a sliding rod, and a second spring are set. When the sliding seat slides down the module, the stop block is driven to move, thereby compressing the second spring. When the sliding plate rises and drives the square column to reset, and the roller is separated from the pushing block, the second spring loses its restriction, pushing the sliding seat, the square rod, and the connecting seat to reset, and the roller contacts the bottom of the slide groove again.

[0014] Furthermore, the adjustment assembly includes a support seat arranged on the sliding seat, a rotating column is rotatably arranged on the support seat, a threaded rod is arranged on the side of the square rod adjacent to the lower module, the rotating column is spirally engaged with the threaded rod through a threaded hole, a worm gear is arranged on the rotating column, a worm is rotatably arranged on the sliding seat, the worm is engaged with the worm gear, and one end of the worm passes through the sliding seat and is provided with a rotating handle.

[0015] By adopting the above technical solution, a support seat, a rotating column, a threaded rod, a worm gear, a worm, and a rotating handle are provided. When encountering copper bars of different models and widths, the rotating handle is turned to drive the worm to rotate, thereby driving the worm gear and the rotating column to rotate, and then driving the threaded rod and the square rod to move, so that the relative position of the square rod and the sliding seat is changed, and the distance between the roller and the moving seat is changed, thereby changing the initial position of the lower clamping block and the upper clamping block, and then changing the clamping position of the two lower clamping blocks and the upper clamping block. Since the worm gear is self-locking, that is, only the worm can drive the worm gear, the position of the threaded rod and the square rod will not change after the rotating column is adjusted.

[0016] Furthermore, a square tube is horizontally provided on one side of the sliding seat adjacent to the lower module, a sliding block is slidingly provided in the square tube, a baffle is provided on one end of the square tube adjacent to the lower module, a through hole is provided on the baffle, a connecting rod is provided on one side of the sliding block, the connecting rod passes through the through hole and is connected to the connecting seat, a third spring is sleeved on the rod body of the connecting rod located between the connecting seat and the baffle, one end of the third spring is connected to the sliding seat, and the other end is connected to the baffle.

[0017] By adopting the above technical solution, a square tube, a sliding block, a baffle, a connecting rod and a third spring are set. After the lower clamping block and the upper clamping block come into contact with the copper busbar, if the sliding seat continues to push the square rod to move, the lower clamping block pushes the connecting rod and the sliding block to slide, and the third spring is compressed, thereby preventing the lower clamping block from moving too much and deforming the copper busbar due to adjustment error.

[0018] Furthermore, vertical slide rails are vertically arranged on the inner walls on both sides of the operation box, and the sliding plate is slidably arranged on the vertical slide rails through sliders.

[0019] By adopting the above technical solution, vertical slide rails are vertically arranged on the inner walls on both sides of the operating box to ensure the sliding stability of the sliding plate.

[0020] Furthermore, a circular groove is provided at the bottom of the upper module, a pressure column is slidably arranged in the circular groove, a fourth spring is provided between the bottom of the circular groove and the top of the pressure column, the upper end of the fourth spring is connected to the bottom of the circular groove, and the lower end is connected to the top of the pressure column.

[0021] By adopting the above technical solution, a circular groove, a pressure column and a fourth spring are set. When the upper module is pressed down, the pressure column is pressed into the circular groove by the copper busbar and the fourth spring is compressed. When the welding is completed and the upper module is reset, the fourth spring pushes the pressure column to reset, thereby preventing the top of the copper busbar from sticking to the bottom of the upper module.

[0022] Furthermore, a T-shaped block is provided on the inclined surface of the top of the lower clamping block along the inclined surface direction, and a T-shaped groove is provided at the bottom of the upper clamping block, and the T-shaped block is slidably provided in the T-shaped groove.

[0023] By adopting the above technical solution, T-shaped blocks and T-shaped slots are provided to ensure the sliding stability of the upper clamping block.

[0024] In summary, the present invention has the following beneficial effects:

[0025] When the upper and lower modules are lowered, the upper and lower modules are moved downwards to the upper and lower modules, and the upper and lower modules are moved downwards to the upper and lower modules, respectively.

[0026] 2. In this application, a horizontal slide rail, a sliding seat, a connecting seat, a square rod, an adjustment assembly, a mounting plate, and a roller are provided. When the sliding plate descends, the square column is driven to descend, causing the roller to roll in the slide groove. When the roller contacts the wedge block, the wedge block pushes the square rod, the sliding seat, and the connecting seat to slide, thereby pushing the lower clamping block and the upper clamping block toward the middle of the lower module. When the roller contacts the pushing block, the square rod, the sliding seat, and the connecting seat maintain their current positions, so that the lower clamping block and the upper clamping block keep clamping the copper busbar. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0028] Figure 2 yes Figure 1 A magnified view of part A;

[0029] Figure 3 yes Figure 1 BB cross-sectional view;

[0030] Figure 4 yes Figure 3 A magnified view of part C;

[0031] Figure 5 This is a structural diagram of the sliding seat, adjustment assembly, and square tube portion of an embodiment of the utility model;

[0032] Figure 6 It is a structural schematic diagram of the lower clamping block and the upper clamping block part of an embodiment of the utility model.

[0033] In the figure: 10, operating box; 11, supporting leg; 12, sliding plate; 13, driving cylinder; 14, upper module; 15, lower module; 16, through slot; 17, vertical slide rail; 18, pressure column; 19, fourth spring; 20, lower clamping block; 21, limit block; 22, upper clamping block; 23, connecting column; 24, first spring; 25, receiving slot; 26, rotating shaft; 27, metal wheel; 28, T-shaped block; 29, T-shaped slot; 30, pushing mechanism; 31, horizontal slide rail; 32, slide Moving seat; 33. Connecting seat; 34. Square rod; 35. Mounting plate; 36. Roller; 37. Square column; 371. Slide groove; 38. Pushing block; 39. Wedge block; 40. Adjusting assembly; 41. Support seat; 42. Rotating column; 43. Threaded rod; 44. Worm gear; 45. Worm; 46. Rotating handle; 50. Block; 51. Mounting block; 52. Slide rod; 53. Second spring; 60. Square tube; 61. Sliding block; 62. Baffle; 63. Connecting rod; 64. Third spring. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; it is obvious that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0035] like Figure 1-6As shown, the embodiment of the present application discloses an AVG chassis copper busbar diffusion welding device, comprising an operating box 10, a sliding plate 12, a driving cylinder 13, an upper module 14, and a lower module 15. A plurality of support legs 11 are provided at the bottom of the operating box 10 for supporting the entire operating box 10. The sliding plate 12 is slidably arranged in the operating box 10 and arranged horizontally. A driving cylinder 13 is vertically provided on the top of the operating box 10. The piston rod of the driving cylinder 13 passes downward through the top of the operating box 10 and is connected to the top of the sliding plate 12, so that the cylinder can drive the sliding plate 12 to slide. An upper module 14 is provided on the lower side of the sliding plate 12, and a lower module 15 is provided at the bottom of the operating box 10 corresponding to the upper module 14. When diffusion welding of copper busbars is required, a plurality of copper busbars are first placed on the lower module 15, and then the sliding plate 12 is driven down by the driving cylinder 13, thereby causing the upper module 14 to descend. The upper module 14 and the lower module 15 clamp the copper busbars for welding.

[0036] Specifically, a through slot 16 is provided on both sides of the lower module 15. A lower clamping block 20 is provided on the lower side wall of the through slot 16 so as to slide along the opening direction of the through slot 16. A pushing mechanism 30 is provided on both sides of the bottom of the operation box 10 for driving the lower clamping block 20 to slide, thereby clamping and fixing the copper bar in the lower module 15. The top of the lower clamping block 20 is an inclined surface, and the inclination direction of the inclined surface of the lower clamping block 20 is perpendicular to the sliding direction of the lower clamping block 20. An upper clamping block 22 is provided on the top of the lower clamping block 20 so as to slide along the inclined surface. The top surface of the upper clamping block 22 is a horizontal surface, so that after clamping the copper bar, when the upper module 14 descends, its bottom contacts the upper side of the topmost copper bar and the top of the upper clamping block 22. The upper module 14 continues to press down, and the upper clamping block 22 slides downward along the top inclined surface of the lower clamping block 20, ensuring that the copper bars are fixed while preventing the upper clamping block 22 and the lower clamping block 20 from affecting the descent of the upper module 14, thereby preventing the upper module 14 from exerting insufficient pressure on the copper bar and causing poor welding effect. A limit block 21 is provided on the upper portion of the inclined top surface of the lower clamping block 20 to restrict the initial position of the lower clamping block 20. The sidewalls of the upper clamping block 22 and the lower clamping block 20 near the center of the lower module 15 are coplanar, ensuring stable clamping of the copper busbar. Connecting posts 23 are provided horizontally on the sidewalls of the upper clamping block 22 and the lower clamping block 20 away from the center of the lower module 15. A first spring 24 is provided between the two connecting posts 23, with each end of the first spring 24 connected to the two connecting posts 23. As the upper clamping block 22 slides, the first spring 24 is stretched. When welding is completed, the upper module 14 rises, and the first spring 24 releases its restraint, pulling the upper module 14 back to its original position. A receiving slot 25 is defined at the top of the upper clamping block 22. A rotating shaft 26 is rotatably mounted between the walls of the slot 25. The length of the rotating shaft 26 aligns with the sliding direction of the lower clamping block 20. A metal wheel 27 is rotatably mounted on the rotating shaft 26. The upper portion of the metal wheel 27 is slightly higher than the top of the upper clamping block 22. The bottom of the upper module 14 contacts the metal wheel 27 before the metal wheel 27, facilitating the upper module 14 to press the upper clamping block 22 downward. Specifically, two connecting posts 23 can be rotatably mounted on the upper clamping block 22 and the lower clamping block 20, respectively. Connecting plates are provided on the connecting posts 23. The two ends of the first spring 24 are connected to the connecting plates to ensure the stability of the first spring 24.

[0037] During installation, the pushing mechanism 30 includes a horizontal slide rail 31 horizontally arranged at the bottom of the operating box 10. The length direction of the horizontal slide rail 31 is consistent with the opening direction of the through slot 16. A sliding seat 32 is slidably arranged on the horizontal slide rail 31, so that the sliding seat 32 can slide along the horizontal slide rail 31. A square rod 34 is horizontally slidably arranged on the side of the sliding seat 32 away from the lower module 15. An adjustment assembly 40 is provided on the sliding seat 32 for adjusting the position of the square rod 34. Two mounting plates 35 are spaced apart on the side of the square rod 34 away from the lower module 15. A roller 36 is rotatably arranged between the two mounting plates 35. The wheel core of the roller 36 is located on a horizontal plane and the wheel core direction is perpendicular to the length direction of the horizontal slide rail 31. Through holes are vertically opened on both sides of the bottom of the operating box 10. Square columns 37 are slidably arranged in the through holes. The top of the square column 37 is connected to the bottom of the sliding plate 12, so that when the sliding plate 12 slides, the square column 37 is driven to slide. A slide groove 371 is vertically opened on the square column 37, and the two slide grooves 371 are opposite to each other. A pushing block 38 is provided at the bottom of the upper side of the slide groove 371. The bottom of the slide groove 371 is located below the pushing block 38 and a wedge block 39 connected to the pushing block 38 is provided. The bottom of the wedge block 39 is an inclined surface, and the inclined surface of the bottom of the wedge block 39 is inclined from the bottom of the slide groove 371 to the notch of the slide groove 371 from bottom to top. The wheel surface of the roller 36 contacts the bottom of the slide groove 371. When the sliding plate 12 descends, it drives the square column 37 to descend, so that the roller 36 rolls in the slide groove 371. When the roller 36 contacts the wedge block 39, the wedge block 39 pushes the square rod 34 and the sliding seat 32 to slide. When the roller 36 contacts the pushing block 38, the square rod 34 and the sliding seat 32 maintain their current positions.

[0038] A connecting seat 33 is provided on the side of the sliding seat 32 adjacent to the lower module 15. This connecting seat 33 is connected to the lower clamping block 20. Specifically, a square tube 60 is horizontally positioned on the side of the sliding seat 32 adjacent to the lower module 15. A sliding block 61 is slidably mounted within the square tube 60. A baffle 62 is positioned on the end of the square tube 60 adjacent to the lower module 15. This baffle 62 has a through hole. A connecting rod 63 is positioned on one side of the sliding block 61, enabling the sliding block and connecting rod 63 to slide synchronously. The connecting rod 63 passes through the through hole and connects to the connecting seat 33, enabling the sliding block, connecting rod 63, connecting seat 33, and lower clamping block 20 to slide synchronously. A third spring 64 is sleeved on the connecting rod 63 located between the connecting seat 33 and the baffle 62. One end of the third spring 64 is connected to the sliding seat 32 and the other end is connected to the baffle 62. After the lower clamping block 20 and the upper clamping block 22 come into contact with the copper busbar, if the sliding seat 32 continues to push the square rod 34 to move, the lower clamping block 20 pushes the connecting rod 63 and the sliding block 61 to slide, and the third spring 64 is compressed to prevent the lower clamping block 20 from moving too much and clamping and deforming the copper busbar.

[0039] A stopper 50 is provided on one side of the sliding seat 32, and a mounting block 51 is provided at the bottom of the operating box 10. A slide rod 52 is provided on one side of the mounting block 51. A circular hole is provided on the stopper 50, and the stopper 50 is slidably connected to the slide rod 52 through the circular hole. A second spring 53 is provided on the rod body of the slide rod 52 between the stopper 50 and the mounting block 51. One end of the second spring 53 is connected to the stopper 50 and the other end is connected to the mounting block 51. When the sliding seat 32 slides downwardly to the module 15, the stopper 50 is driven to move, thereby compressing the second spring 53. When the sliding plate 12 rises and drives the square column 37 to reset, and the roller 36 is separated from the pushing block 38, the second spring 53 loses its restriction, pushing the sliding seat 32, the square rod 34, and the connecting seat 33 to reset, and the roller 36 contacts the bottom of the slide groove 371 again.

[0040] The adjustment assembly 40 includes a support base 41 arranged on the sliding base 32, a rotating column 42 is rotatably arranged on the support base 41, and a threaded rod 43 is arranged on the side of the square rod 34 adjacent to the lower module 15. The rotating column 42 is screwed together with the threaded rod 43 through a threaded hole, so that when the rotating column 42 rotates, the threaded rod 43 is driven to move. The worm gear 44 is provided on the rotating column 42, and the worm 45 is rotatably provided on the sliding seat 32. The worm 45 cooperates with the worm gear 44. One end of the worm 45 passes through the sliding seat 32 and is provided with a rotating handle 46. When encountering copper bars of different models and different widths, the rotating handle 46 is turned to drive the worm 45 to rotate, thereby driving the worm gear 44 and the rotating column 42 to rotate, and then driving the threaded rod 43 and the square rod 34 to move, so that the relative position of the square rod 34 and the sliding seat 32 is changed, so that the distance between the roller 36 and the moving seat is changed, thereby changing the initial position of the lower clamping block 20 and the upper clamping block 22, and then changing the clamping position of the two lower clamping blocks 20 and the upper clamping block 22. Since the worm gear 44 and the worm gear 45 are self-locking, that is, only the worm gear 45 can drive the worm gear 44, so that after the rotating column 42 is adjusted, the position of the threaded rod 43 and the square rod 34 will not change.

[0041] A circular groove is provided at the bottom of the upper module 14, in which a pressure column 18 is slidably provided. A fourth spring 19 is provided between the bottom of the circular groove and the top of the pressure column 18. The upper end of the fourth spring 19 is connected to the bottom of the circular groove, and the lower end is connected to the top of the pressure column 18. When the upper module 14 is pressed down, the pressure column 18 is pressed into the circular groove by the copper bar and the fourth spring 19 is compressed. When the welding is completed and the upper module 14 is reset, the fourth spring 19 pushes the pressure column 18 to reset, thereby preventing the top of the copper bar from adhering to the bottom of the upper module 14. Vertical slide rails 17 are vertically provided on the inner walls on both sides of the operating box 10. The sliding plate 12 is slidably provided on the vertical slide rails 17 through a slider to ensure the sliding stability of the sliding plate 12. A T-shaped block 28 is provided on the inclined surface of the top of the lower clamping block 20 along the inclined surface direction. A T-shaped slot 29 is provided at the bottom of the upper clamping block 22. The T-shaped block 28 is slidably provided in the T-shaped slot 29 to ensure the sliding stability of the upper clamping block 22.

[0042] The operating principle of the copper busbar diffusion soldering device of the AVG operating box 10 in this embodiment is as follows: first, the position of the square rod 34 is adjusted according to the width of the copper busbar to be soldered. Then, the rotating handle 46 is turned to drive the worm 45 to rotate, thereby driving the worm gear 44 and the rotating column 42 to rotate, and then driving the threaded rod 43 and the square bar 34 to move, so that the relative position of the square bar 34 and the sliding seat 32 changes. Then, the copper busbar is placed in the lower module 15, and then the driving cylinder 13 is activated. The driving cylinder 13 drives the sliding plate 12 and the upper module 14 to descend, driving the square column 37 to descend, causing the roller 36 to roll in the chute 371. When the roller 36 contacts the wedge block 39, the wedge block 39 pushes the square bar 34, the sliding seat 32, and the connecting seat 33 to slide, thereby pushing the lower clamping block 20 and the upper clamping block 22 toward the middle of the lower module 15. When the roller 36 contacts the pushing block 38, the square bar 34, the sliding seat 32, and the connecting seat 33 maintain their current positions. Subsequently, the bottom of the upper module 14 contacts the upper side of the top copper busbar and the top of the metal wheel 27, and the upper module 14 continues to press down. The upper clamping block 22 slides downward along the top inclined surface of the lower clamping block 20, ensuring that the copper busbars are fixed while avoiding the upper clamping block 22 and the lower clamping block 20 affecting the lowering of the upper module 14, thereby causing insufficient pressure on the copper busbar by the upper module 14 and poor welding effect.

[0043] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. An AVG chassis copper busbar diffusion welding device, comprising an operating box (10), characterized in that: The bottom of the operation box (10) is provided with a plurality of supporting legs (11), a horizontally arranged sliding plate (12) is vertically slidably provided in the operation box (10), a driving cylinder (13) is vertically provided on the top of the operation box (10), a piston rod of the driving cylinder (13) passes downward through the top of the operation box (10) and is connected to the top of the sliding plate (12), an upper module (14) is provided on the lower side of the sliding plate (12), a lower module (15) is provided at the bottom of the operation box (10) corresponding to the upper module (14), through grooves (16) are provided on both sides of the lower module (15), a lower clamping block (20) is provided on the lower side groove wall of the through groove (16) for sliding along the opening direction of the through groove (16), the top of the lower clamping block (20) is an inclined surface, and the lower clamping block The inclination direction of the top inclined surface of (20) is perpendicular to the sliding direction of the lower clamping block (20), and a limit block (21) is provided on the upper part of the top inclined surface of the lower clamping block (20). An upper clamping block (22) is provided on the top of the lower clamping block (20) to slide along the inclined surface direction. The side walls of the upper clamping block (22) and the lower clamping block (20) adjacent to the middle of the lower module (15) are coplanar. Connecting columns (23) are horizontally provided on the side walls of the upper clamping block (22) and the lower clamping block (20) away from the middle of the lower module (15). A first spring (24) is provided between the two connecting columns (23), and the two ends of the first spring (24) are respectively connected to the two connecting columns (23). Both sides of the bottom of the operating box (10) are provided with a pushing mechanism (30) for driving the lower clamping block (20) to slide.

2. The AVG chassis copper busbar diffusion welding device according to claim 1, characterized in that: A receiving groove (25) is provided on the top of the upper clamping block (22), and a rotating shaft (26) is rotatably provided between the groove walls on both sides of the receiving groove (25). The length direction of the rotating shaft (26) is consistent with the sliding direction of the lower clamping block (20), and a metal wheel (27) is rotatably provided on the rotating shaft (26).

3. The AVG chassis copper busbar diffusion welding device according to claim 1, characterized in that: The pushing mechanism (30) includes a horizontal slide rail (31) horizontally arranged at the bottom of the operating box (10), the length direction of the horizontal slide rail (31) is consistent with the opening direction of the through slot (16), a sliding seat (32) is slidably arranged on the horizontal slide rail (31), a connecting seat (33) is provided on the side of the sliding seat (32) adjacent to the lower module (15), the connecting seat (33) is connected to the lower clamping block (20), a square rod (34) is horizontally slidably arranged on the side of the sliding seat (32) away from the lower module (15), an adjusting component (40) for adjusting the position of the square rod (34) is provided on the sliding seat (32), two mounting plates (35) are spaced apart on the side of the square rod (34) away from the lower module (15), a roller (36) is rotatably arranged between the two mounting plates (35), and the roller (36) The wheel core is located on a horizontal plane and the wheel core direction is perpendicular to the length direction of the horizontal slide rail (31). Through holes are vertically opened on both sides of the bottom of the operation box (10), and square columns (37) are slidably arranged in the through holes. The top of the square column (37) is connected to the bottom of the sliding plate (12), and a sliding groove (371) is vertically opened on the square column (37). The two sliding grooves (371) are opposite to each other. A pushing block (38) is provided at the bottom of the upper side of the sliding groove (371). The bottom of the sliding groove (371) is located at the lower side of the pushing block (38) and a wedge block (39) connected to the pushing block (38) is provided. The bottom of the wedge block (39) is an inclined surface. The inclined surface of the bottom of the wedge block (39) is inclined from the bottom of the sliding groove (371) to the notch of the sliding groove (371) from bottom to top. The wheel surface of the roller (36) contacts the bottom of the sliding groove (371).

4. The AVG chassis copper busbar diffusion welding device according to claim 3, characterized in that: A stopper (50) is provided on one side of the sliding seat (32), a mounting block (51) is provided on the bottom of the operating box (10), a slide rod (52) is provided on one side of the mounting block (51), a circular hole is provided on the stopper (50), the stopper (50) is slidably connected to the slide rod (52) through the circular hole, a second spring (53) is sleeved on the rod body of the slide rod (52) located between the stopper (50) and the mounting block (51), one end of the second spring (53) is connected to the stopper (50), and the other end is connected to the mounting block (51).

5. The AVG chassis copper busbar diffusion welding device according to claim 3, characterized in that: The adjusting assembly (40) includes a support seat (41) arranged on a sliding seat (32), a rotating column (42) is rotatably arranged on the support seat (41), a threaded rod (43) is arranged on the side of the square rod (34) adjacent to the lower module (15), the rotating column (42) is spirally matched with the threaded rod (43) through a threaded hole, a worm wheel (44) is arranged on the rotating column (42), a worm (45) is rotatably arranged on the sliding seat (32), the worm (45) is matched with the worm wheel (44), and one end of the worm (45) passes through the sliding seat (32) and is provided with a rotating handle (46).

6. The AVG chassis copper busbar diffusion welding device according to claim 3, characterized in that: A square tube (60) is horizontally provided on one side of the sliding seat (32) adjacent to the lower module (15), a sliding block (61) is slidingly provided in the square tube (60), a baffle (62) is provided on one end of the square tube (60) adjacent to the lower module (15), a through hole is provided on the baffle (62), a connecting rod (63) is provided on one side of the sliding block (61), the connecting rod (63) passes through the through hole and is connected to the connecting seat (33), a third spring (64) is sleeved on the rod body of the connecting rod (63) located between the connecting seat (33) and the baffle (62), one end of the third spring (64) is connected to the sliding seat (32), and the other end is connected to the baffle (62).

7. The AVG chassis copper busbar diffusion welding device according to claim 1, characterized in that: Vertical slide rails (17) are vertically arranged on the inner walls on both sides of the operation box (10), and the sliding plate (12) is slidably arranged on the vertical slide rails (17) through sliders.

8. The AVG chassis copper busbar diffusion welding device according to claim 1, characterized in that: A circular groove is provided at the bottom of the upper module (14), a pressure column (18) is slidably provided in the circular groove, a fourth spring (19) is provided between the bottom of the circular groove and the top of the pressure column (18), the upper end of the fourth spring (19) is connected to the bottom of the circular groove, and the lower end is connected to the top of the pressure column (18).

9. The AVG chassis copper busbar diffusion welding device according to claim 1, characterized in that: A T-shaped block (28) is provided on the inclined surface at the top of the lower clamping block (20) along the inclined surface direction, and a T-shaped groove (29) is provided at the bottom of the upper clamping block (22), and the T-shaped block (28) is slidably provided in the T-shaped groove (29).

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