Aluminum alloy wheel welding apparatus

Abstract

The present application relates to a kind of aluminium alloy wheel welding equipment, including the bed of fixed transformer, also include: bridge, movable clamp seat and static clamp seat, movable clamp seat is connected on static clamp seat by pivot axis rotation, adjustablely set up clamp two on movable clamp seat, static clamp seat is fixed with clamp one, clamp one and clamp two are respectively fixed with electric seat one, electric seat two, electric seat one, electric seat two are all electrically connected with transformer, clamp one is fixedly connected clamp cylinder one by support one, clamp two is fixedly connected clamp cylinder two by support two, the piston rod end of clamp cylinder one and clamp cylinder two is all hinged with pressure plate, bridge is connected with top forging oil cylinder by pin shaft fixed axis rotation, the piston rod end of top forging oil cylinder is hinged with support two;Welding opening adjusting assembly, adjusting assembly is set on bed, and be used to adjust the size of the welding opening of aluminium alloy wheel, flatness;Cooling system, cooling system is used to cool the heat generating component in whole equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flash butt welding, in particular to an aluminum alloy wheel rim welding device. BACKGROUND

[0002] Flash butt welding belongs to resistance welding, and its core principle is to use the resistance heat generated by current passing through the contact surface of the workpiece to heat the metal to a molten state, and at the same time, to apply a top forging pressure to make the workpiece realize atomic combination.

[0003] After the aluminum alloy is cut, the distance between the two end heads is uneven and not flat enough, resulting in uneven welding at the weld joint, large size deviation, and low yield. In addition, a large amount of heat is generated during the welding process of the aluminum alloy wheel, which needs to be cooled in time to prevent damage to the parts. The top forging hydraulic cylinder needs to provide a large top forging pressure and maintain it for a long time to wait for the weld joint to cool down, so the top forging hydraulic cylinder also needs to be cooled in time. In view of this, we propose an aluminum alloy wheel rim welding device. SUMMARY

[0004] The purpose of the present application is to provide an aluminum alloy wheel rim welding device to solve the problems raised in the background art. To achieve the above purpose, the present application provides the following technical scheme: an aluminum alloy wheel rim welding device comprising a bed body fixed with a transformer, further comprising:

[0005] A bridge, a moving clamp seat and a static clamp seat, one end of the bridge is fixed on the bed body, the other end is fixed on the static clamp seat, the static clamp seat is fixed on the bed body, the moving clamp seat is connected to the static clamp seat through a rotating shaft, and an adjustable clamp two is arranged on the moving clamp seat, a clamp one is fixed on the static clamp seat, a conductive seat one and a conductive seat two are respectively fixed on the clamp one and the clamp two, and the conductive seat one and the conductive seat two are electrically connected with the transformer, the clamp one is fixedly connected with a clamping oil cylinder one through a support one, the clamp two is fixedly connected with a clamping oil cylinder two through a support two, and the piston rod ends of the clamping oil cylinder one and the clamping oil cylinder two are hinged with a pressing plate, a top forging oil cylinder is connected to the bridge through a pin shaft, and the piston rod end of the top forging oil cylinder is hinged with the support two;

[0006] A weld joint adjusting assembly is arranged on the bed body and used to adjust the size and flatness of the weld joint of the aluminum alloy wheel rim.

[0007] A cooling system is used to cool and cool the heat generating components in the entire device.

[0008] Preferably, the first clamp and the second clamp are fixed with protruding structures, and the first conductive seat and the second conductive seat are fixed on the corresponding protruding structures through two fixed plates, the transformer is fixed and electrically connected with the soft copper belt one and the soft copper belt two, the soft copper belt one and the soft copper belt two are electrically connected with the first conductive seat and the second conductive seat through two conductive frames, the first conductive seat and the second conductive seat are the same structure and are symmetrically arranged, and the first conductive seat and the second conductive seat are provided with grooves corresponding to the inner surface of the aluminum alloy rim, and the bottom surface of the two pressing plates is provided with protrusions corresponding to the outer surface of the aluminum alloy rim.

[0009] Preferably, the movable clamp seat is L-shaped, the lower end of the movable clamp seat is fixed with a shaft sleeve, the shaft sleeve is sleeved on the rotating shaft and is fixedly and rotatably connected with the rotating shaft through two sets of double-row tapered roller bearings, the two ends of the rotating shaft are fixed on the static clamp seat through the gland, the movable clamp seat is fixed with an L-shaped back plate, a plurality of long holes are formed in the vertical surface of the L-shaped back plate, a plurality of circular holes are formed in the horizontal surface of the L-shaped back plate, the second clamp is fixed on the L-shaped back plate through the corresponding bolt assembly and the long hole and the circular hole on the L-shaped back plate, and the lower part of the movable clamp seat is fixed with a hydraulic lifting oil cylinder, and the piston rod end of the hydraulic lifting oil cylinder is fixedly connected with the lower end of the second clamp.

[0010] Preferably, the welding opening adjusting assembly comprises a length-adjustable hoop and an adjusting oil cylinder fixed on a fixed seat, the fixed seat is fixed on the bed body through a vertical plate, the piston rod end of the adjusting oil cylinder is fixed with a fixed head, a connecting rod one is fixed on the fixed head, a roller is rotatably connected with the connecting rod one, a bracket three is fixed on the fixed seat, a strip-shaped through hole one is formed in the bracket three, the connecting rod one passes through the strip-shaped through hole one, and the roller rolls on the bracket three, one end of the hoop is fixed on the fixed head, the other end is hung on a hook, and the hook is fixed on the static clamp seat.

[0011] Preferably, the welding opening adjusting assembly further comprises a rotating and pressing oil cylinder one and a rotating and pressing oil cylinder two, the rotating and pressing oil cylinder one is fixed on the static clamp seat, and the rotating and pressing oil cylinder two is fixed on the bracket three.

[0012] Preferably, the cooling system comprises a circulating pump, a liquid storage tank and a heat exchanger, the circulating pump and the heat exchanger are connected with the cooling channels in the heat generating components through pipelines, and the circulating pump and the heat exchanger are connected with the liquid storage tank through pipelines.

[0013] Preferably, the heat exchanger comprises a heat exchange tank fixed on a tank seat, an air inlet cover and an air outlet cover are fixed and communicated at the two ends of the heat exchange tank respectively, a plurality of heat dissipation plates are fixed side by side in the heat exchange tank, the inlets of the heat dissipation plates are connected with the cooling channels in the heat generating components through pipelines, the outlets of the heat dissipation plates are connected with the liquid storage tank through pipelines, and the outlets of the heat dissipation plates are connected with temperature sensors, a filter screen is fixed on the air inlet cover, and a heat dissipation fan is rotatably connected in the air outlet cover.

[0014] Preferably, the box seat is fixed with a motor, a cylinder and an axle support, the axle support is fixed with a conical tooth roller one and a conical tooth roller two which are of the same structure and are arranged reversely, the conical tooth roller one and the conical tooth roller two are connected through a gear three, the gear three is fixed on the slide rod one and is connected with the cylinder, one end of the slide rod one is fixed on the piston rod, the other end of the slide rod one is inserted into the strip-shaped through hole two, two limiting plates are fixed on one end of the slide rod one close to the strip-shaped through hole two, the strip-shaped through hole two is arranged on the connecting rod two, the two limiting plates are arranged on the two sides of the connecting rod two and slide relative to each other, the connecting rod two is connected with the boom, the boom is fixed on the bottom of the heat exchange box, the connecting rod two is fixed with a pipe shaft, one end of the pipe shaft is fixed with a gear four, the other end of the pipe shaft is inserted with a multi-edge rod, the multi-edge rod is fixed on one end of the conical tooth roller one, the other end of the conical tooth roller one is connected with the motor through a bevel gear set two, the conical tooth roller two is connected with the axle through a belt wheel assembly, the axle is fixed on the side wall of the exhaust cover, the axle is connected with the cooling fan through a bevel gear set one.

[0015] Preferably, the heat exchange box is fixed with a frame, the heat dissipation plate is arranged on the inner side of the frame, the frame is fixed with a shunt pipe on the side wall facing the heat dissipation surface of the heat dissipation plate, the shunt pipe is provided with a water spraying hole on the side wall facing the heat dissipation surface of the heat dissipation plate, the heat exchange box is fixed with a pump wheel one on the top, the pump wheel one is connected with the shunt pipe and the water tank through a water pipe one, the heat exchange box is fixed with a reciprocating screw, the reciprocating screw is fixed on the middle of the frame and is connected with the frame, the upper end of the reciprocating screw is connected with the impeller shaft in the pump wheel one, the lower end of the reciprocating screw is fixed with a gear one, the heat exchange box is fixed with a gear two, the gear two is connected with the gear one and the gear four.

[0016] Preferably, the top forging oil cylinder is fixed with a heat dissipation sleeve on the outer side wall, the heat dissipation sleeve is fixed with a ring frame one and a ring frame two on the outer side wall, the heat dissipation sleeve is fixed with a spiral heat dissipation fin on the section between the ring frame one and the ring frame two, the ring frame one and the ring frame two are arranged on the two ends of the slide rod two, the ring frame one and the ring frame two are fixed with a screw on the axle, the slide rod two is connected with a sliding block, the screw is fixed on the sliding block, the sliding block is fixed with a brush head for cleaning the surface of the spiral heat dissipation fin, the screw is fixed with a gear five, the heat dissipation sleeve is fixed with a gear ring one, and the gear five is connected with the gear ring one.

[0017] Preferably, the ring frame is coaxially fixedly connected with the gear ring two, the cylinder body of the top forging oil cylinder is fixedly connected with the support rod and the pump wheel two, the pump wheel two is connected with the water pipe two, the inlet end of the water pipe two is in communication with the outlet end of the heat dissipation sleeve, the outlet end of the water pipe two is in communication with the inlet end of the heat dissipation plate, the inlet end of the heat dissipation sleeve is in communication with the outlet end of the circulating pump through a pipeline, the impeller shaft of the pump wheel two is coaxially fixedly connected with the rotating disc, the rotating disc is fixedly connected with the pin rod at a position away from the center, the support rod is slidingly connected with the rack, and the rack is meshingly connected with the gear ring two, one end of the rack is fixedly connected with the sliding frame, and the pin rod is inserted into and slidingly connected with the sliding frame.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] In the present application, the welding gap size and the end face flatness of the aluminum alloy wheel rim are adjusted by the welding opening adjusting assembly before welding to ensure the welding quality, and in the case that the cooling liquid is insufficiently cooled, the cooling effect of the cooling liquid is increased by adjusting the transmission ratio to increase the low-temperature air flow and spraying water on the heat dissipation surface of the heat dissipation plate, thereby ensuring the circulating cooling effect of the cooling liquid, effectively and continuously cooling each heat generating component, and increasing the cooling of the top forging oil cylinder and enabling real-time cleaning, thereby ensuring the stable reliability of the top forging oil cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the front view of the assembly structure of the present application.

[0021] Figure 2 It is the front view of the assembly structure of the present application. Figure 1

[0022] Figure 3 It is the structure schematic diagram of the movable clamp seat in the present application.

[0023] Figure 4 It is the structure schematic diagram of the movable clamp seat in the present application.

[0024] Figure 5 It is the structure schematic diagram of the movable clamp seat in the present application.

[0025] Figure 6 It is the structure schematic diagram of the movable clamp seat in the present application.

[0026] Figure 7 It is the rear view of the assembly structure of the present application.

[0027] Figure 8 It is the structure schematic diagram of the cooling system in the present application.

[0028] Figure 9 It is the structure schematic diagram of the cooling system in the present application.

[0029] Figure 10 It is the structure schematic diagram of the cooling system in the present application.​Figure 9 Schematic diagram of the BB section structure;

[0030] Figure 11 for Figure 9 Enlarged structural diagram at point C;

[0031] Figure 12 This is a schematic diagram of the cross-sectional structure of the heat dissipation sleeve in this invention;

[0032] Figure 13 This is a side view of the turntable and carriage structure in this invention.

[0033] In the diagram: 1. Bed; 2. Cable tray; 3. Static clamp seat; 4. Clamp one; 5. Moving clamp seat; 6. Clamp two; 7. Rotary shaft; 8. Pressure plate; 9. Bracket one; 10. Clamping cylinder one; 11. Bracket two; 12. Clamping cylinder two; 13. Upsetting cylinder; 14. Pin; 15. Vertical plate; 16. Fixed seat; 17. Adjusting cylinder; 18. Bracket three; 19. Hook; 20. Hoop; 21. Transformer; 22. Soft copper strip one; 23. Soft copper strip two; 24. L-shaped 25. Backplate; 26. Conductive frame; 27. Raised structure; 28. Conductive base II; 29. ​​Fixing plate; 30. Bushing; 31. Hydraulic lifting cylinder; 32. Rotary pressing cylinder I; 33. Rotary pressing cylinder II; 34. Pressure plate; 35. Conductive base I; 36. Fixing head; 37. Strip-shaped through hole I; 38. Connecting rod I; 39. Roller; 40. Circulating pump; 41. Liquid storage tank; 42. Heat exchanger; 43. Box base; 44. Heat exchange box; 45. Air inlet hood; 46. Exhaust hood; 46. ​​Heat sink; 47. Frame; 48. Reciprocating lead screw; 49. Gear 1; 50. Pump wheel 1; 51. Water pipe 1; 52. Cooling fan; 53. Bevel gear set 1; 54. Gear 2; 55. Motor; 56. Bevel gear set 2; 57. Shaft bracket; 58. Conical toothed roller 1; 59. Conical toothed roller 2; 60. Gear 3; 61. Cylinder; 62. Slide rod 1; 63. Pulley assembly; 64. Shaft; 65. Gear 4; 66. Hanger rod; 67. Connecting rod 2; 68. Pipe 69. Shaft; 70. Multi-faceted rod; 71. Strip-shaped through hole 2; 72. Limiting plate; 73. Diverter pipe; 74. Temperature sensor; 75. Heat dissipation sleeve; 76. Ring frame 1; 77. Ring frame 2; 78. Screw; 79. Slide rod 2; 80. Slider; 81. Brush head; 82. Gear ring 1; 83. Spiral heat dissipation fin; 84. Pump wheel 2; 85. Water pipe 2; 86. Turntable; 87. Slide frame; 88. Gear ring 2; 89. Support rod; 90. Rack; 91. Pin. Detailed Implementation

[0034] Clearly, the described embodiments are only a 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 those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0035] Please refer to Figures 1 to 13 The present application provides a technical solution: an aluminum alloy wheel rim welding device, comprising a bed body 1 fixed with a transformer 21, the bed body is made of Q355 plate material, and is subjected to assembly welding, stress relief treatment after welding, and then is integrally machined, and further comprising:

[0036] A bridge 2, a moving clamp seat 5 and a static clamp seat 3, one end of the bridge 2 is fixed on the bed body 1, the other end is fixed on the static clamp seat 3, the static clamp seat 3 is fixed on the bed body 1, the moving clamp seat 5 is pivotally connected to the static clamp seat 3 through a rotating shaft 7, and an adjustable clamp two 6 is arranged on the moving clamp seat 5, a clamp one 4 is fixed on the static clamp seat 3, and an insulating plate is arranged on the contact surface between the static clamp seat 3 and the clamp one 4, so that the two are insulated and not conductive, the static clamp seat is also made of Q355 plate material, and is subjected to assembly welding, stress relief treatment after welding, and then is machined, a conductive seat one 34 and a conductive seat two 27 are respectively fixed on the clamp one 4 and the clamp two 6, and the conductive seat one 34 and the conductive seat two 27 are electrically connected with the transformer 21, the clamp one 4 is fixedly connected with a clamping oil cylinder one 10 through a support one 9, the clamp two 6 is fixedly connected with a clamping oil cylinder two 12 through a support two 11, and the piston rod ends of the clamping oil cylinder one 10 and the clamping oil cylinder two 12 are hingedly connected with a pressing plate 33, the clamping oil cylinder is designed in a diagonal structure, and the included angle between the diagonal structure and the vertical direction of the corresponding conductive seat is 11 degrees, the bridge 2 is pivotally connected with a top forging oil cylinder 13 through a pin shaft 14, and the piston rod end of the top forging oil cylinder 13 is hingedly connected with the support two 11;

[0037] A welding opening adjusting assembly is arranged on the bed body 1 and is used for adjusting the size and flatness of the welding opening of the aluminum alloy wheel rim;

[0038] A cooling system is used for cooling the heat generating components in the whole device, and the heat generating components that need to be cooled include:

[0039] The transformer 21 is one of the largest heat sources in the whole device, and has a copper pipe water cooling channel inside;

[0040] The conductive seat one 34 and the conductive seat two 27: since the conductive seat directly contacts the workpiece and conducts a large current, the conductive seat is also the most easily overheated and damaged component, and has a dense cooling water channel structure inside, so that the conductive seat can be cooled and cooled in time and effectively, and the service life of the conductive seat is guaranteed;

[0041] Secondary circuits include conductive frame 25, soft copper strip 1 22 and soft copper strip 2 23. These conductors, which carry large currents, also generate a lot of heat. If they are not cooled down in time, they are easily damaged and cause production interruption accidents.

[0042] Electronic control unit: A power component that controls the on / off state of current. It is usually mounted on a water-cooled plate to stabilize and precisely control the processing progress.

[0043] Upsetting cylinder 13: Its working state requires a continuous and stable output of upsetting pressure, so its cylinder body needs to be cooled down to maintain a stable power output.

[0044] In this embodiment, both clamp 4 and clamp 6 are fixed with protruding structures 26, and conductive seats 34 and 27 are fixed to the corresponding protruding structures 26 by two fixing plates 28. Soft copper strip 22 and 23 are fixed and electrically connected to the transformer 21. Soft copper strip 22 and 23 are electrically connected to conductive seats 34 and 27 by two conductive frames 25. Conductive seats 34 and 27 have the same structure and are symmetrically arranged. The conductive seats 34 and 27 are provided with grooves corresponding to the inner surface of the aluminum alloy wheel rim. The bottom surfaces of the two pressure plates 33 are provided with protrusions corresponding to the outer surface of the aluminum alloy wheel rim. This allows the conductive seats and pressure plates 33 to apply force to the aluminum alloy wheel rim evenly and stably.

[0045] In this embodiment, the movable clamp seat 5 is L-shaped, and a bushing 29 is fixed at the lower end of the movable clamp seat 5. The bushing 29 is sleeved on the rotating shaft 7 and is rotatably connected to the rotating shaft 7 via two sets of double-row tapered roller bearings. Both ends of the rotating shaft 7 are fixed to the stationary clamp seat 3 by pressure caps 8. If the rotating shaft 7 has a problem and needs to be repaired and disassembled, the stationary clamp seat 3 does not need to be disassembled. Only the pressure caps 8 at both ends need to be removed, and the movable clamp seat 5 can be lifted down as a whole and moved to another location for repair. After the repair is completed, it can be lifted back up. It can be installed easily and is convenient for inspection and disassembly. An L-shaped back plate 24 is fixed on the movable clamp seat 5. The vertical surface of the L-shaped back plate 24 has multiple elongated holes, and the horizontal surface of the L-shaped back plate 24 has multiple round holes. The clamp 2 6 is fixed on the L-shaped back plate 24 by corresponding bolt assemblies and the elongated holes and round holes on the L-shaped back plate 24. A hydraulic lifting cylinder 30 is fixed at the lower part of the movable clamp seat 5, and the piston rod end of the hydraulic lifting cylinder 30 is fixedly connected to the lower end of the clamp 2 6.

[0046] In the embodiment, the welding opening adjusting assembly comprises a length-adjustable hoop 20 and an adjusting oil cylinder 17 fixed on the fixed seat 16, the fixed seat 16 is fixed on the lathe bed 1 through the vertical plate 15, the piston rod end of the adjusting oil cylinder 17 is fixed with a fixed head 35, the fixed head 35 is fixed with a connecting rod I 37, the connecting rod I 37 is rotatably connected with a roller 38, the fixed seat 16 is fixed with a bracket III 18, the bracket III 18 is provided with a strip-shaped through hole I 36, the connecting rod I 37 passes through the strip-shaped through hole I 36, the roller 38 rolls on the bracket III 18, one end of the hoop 20 is fixed on the fixed head 35, the other end is hung on a hook 19, the hook 19 is fixed on the static clamp seat 3, the bracket III 18 plays a guiding and supporting role, avoids the flexible deformation of the piston rod of the adjusting oil cylinder 17 caused by the reaction force generated by the hoop 20, and ensures the stability and reliability during the adjustment of the welding opening distance.

[0047] In the embodiment, the welding opening adjusting assembly further comprises a rotary down oil cylinder I 31 and a rotary down oil cylinder II 32, the rotary down oil cylinder I 31 is fixed on the static clamp seat 3, and the rotary down oil cylinder II 32 is fixed on the bracket III 18.

[0048] In the embodiment, the cooling system comprises a circulating pump 39, a liquid storage tank 40 and a heat exchanger 41, the circulating pump 39 and the heat exchanger 41 are connected with the cooling channels in the heat generating components through pipelines respectively, and the circulating pump 39 and the heat exchanger 41 are connected with the liquid storage tank 40 through pipelines.

[0049] In this embodiment, the heat exchanger 41 includes a heat exchange box 43 fixed on the box seat 42, the two ends of the heat exchange box 43 are fixed and communicated with the air inlet cover 44 and the air outlet cover 45 respectively, a plurality of heat dissipation plates 46 are fixed side by side in the heat exchange box 43, the inlet end of the heat dissipation plate 46 is communicated with the cooling channel in the heat generating component through the pipeline, the outlet end of the heat dissipation plate 46 is communicated with the liquid storage tank 40 through the pipeline, and the outlet end of the heat dissipation plate 46 is communicated with the temperature sensor 73, the air inlet cover 44 is fixed with a filter screen, the air outlet cover 45 is rotatably connected with a heat dissipation fan 52, the box seat 42 is fixed with a motor 55, an air cylinder 61 and a shaft support 57, the shaft support 57 is rotatably connected with a conical tooth roller one 58 and a conical tooth roller two 59 which are the same structure and are arranged reversely, the conical tooth roller one 58 and the conical tooth roller two 59 are drivingly connected through a gear three 60, the gear three 60 is rotatably connected on a sliding rod one 62, the sliding rod one 62 is slidingly connected on the shaft support 57, one end of the sliding rod one 62 is fixed on the piston rod end of the air cylinder 61, the other end of the sliding rod one 62 is inserted in a strip-shaped through hole two 70, two limiting plates 71 are fixed on the end of the sliding rod one 62 close to the strip-shaped through hole two 70, the strip-shaped through hole two 70 is arranged on a connecting rod two 67, and the two limiting plates 71 are located on the two sides of the connecting rod two 67 and slide relative to each other, the connecting rod two 67 is slidingly connected on a boom 66, and the boom 66 is fixed on the bottom of the heat exchange box 43, a pipe shaft 68 is rotatably connected on the connecting rod two 67, one end of the pipe shaft 68 is coaxially fixedly connected with a gear four 65, and the other end is inserted and slidingly connected with a multi-rib rod 69, the multi-rib rod 69 is coaxially fixedly connected with one end of the conical tooth roller one 58, the other end of the conical tooth roller one 58 is drivingly connected with the motor 55 through a bevel gear set two 56, the conical tooth roller two 59 is drivingly connected with a shaft rod 64 through a belt wheel assembly 63, the shaft rod 64 penetrates and is rotatably connected on the side wall of the air outlet cover 45, and the shaft rod 64 is drivingly connected with the heat dissipation fan 52 through a bevel gear set one 53.

[0050] In this embodiment, a frame 47 is slidingly connected inside the heat exchange box 43, and the heat dissipation plate 46 is located inside the frame 47, a shunt pipe 72 is fixed on the side wall of the frame 47 facing the heat dissipation surface of the heat dissipation plate 46, and a water spraying hole is arranged on the side wall of the shunt pipe 72 facing the heat dissipation surface of the heat dissipation plate 46, a pump wheel one 50 is fixed on the top of the heat exchange box 43, and the pump wheel one 50 is communicated with the shunt pipe 72 and a water pool through a water pipe one 51, the water pool is not shown in this application, a reciprocating screw rod 48 is rotatably connected in the heat exchange box 43, the reciprocating screw rod 48 penetrates the middle part of the frame 47 and is slidingly connected with the frame 47, the upper end of the reciprocating screw rod 48 is drivingly connected with the impeller shaft in the pump wheel one 50, the lower end of the reciprocating screw rod 48 penetrates the bottom of the heat exchange box 43 and is coaxially fixedly connected with a gear one 49, a gear two 54 is rotatably connected on the bottom of the heat exchange box 43, and the gear two 54 is drivingly connected with the gear one 49 and the gear four 65.

[0051] In this embodiment, a heat dissipation sleeve 74 is fitted and fixedly connected to the outer wall of the cylinder body of the top forging cylinder 13. Ring frame 1 75 and ring frame 2 76 are respectively fitted and rotatably connected to the two ends of the outer wall of the heat dissipation sleeve 74. A spiral heat dissipation fin 83 is fixed to the section of the outer wall of the heat dissipation sleeve 74 between ring frame 1 75 and ring frame 2 76. Ring frame 1 75 and ring frame 2 76 are respectively perpendicularly fixed to the two ends of slide rod 2 78, and a screw 77 is rotatably connected between ring frame 1 75 and ring frame 2 76. A slider 79 is slidably connected to slide rod 2 78. The screw 77 passes through and is threaded onto slider 79. A brush head 80 for cleaning the surface of the spiral heat dissipation fin 83 is fixed on slider 79. A gear 5 81 is coaxially fixedly connected to screw 77. A gear ring is fitted and fixedly connected to the heat dissipation sleeve 74. Gear 81 meshes with gear 82. Gear 88 is coaxially fixedly connected to ring frame 75. Support rod 89 and pump wheel 84 are fixed on the cylinder body of top forging cylinder 13. Water pipe 85 is connected to pump wheel 84. The inlet end of water pipe 85 is connected to the outlet end of heat dissipation sleeve 74. The outlet end of water pipe 85 is connected to the inlet end of heat dissipation plate 46. The inlet end of heat dissipation sleeve 74 is connected to the outlet end of circulating pump 39 through a pipeline. The impeller shaft of pump wheel 84 is coaxially fixedly connected to turntable 86. Pin 91 is fixed on turntable 86 at a position away from the center. Rack 90 is slidably connected to support rod 89. Rack 90 meshes with gear 88. A slide 87 is fixed to one end of rack 90. ​​Pin 91 is inserted into and slidably connected to slide 87.

[0052] Working principle and advantages of this invention: The control system used in this aluminum alloy wheel rim welding equipment is a 2.0 version flash butt welding control system based on a computer as the host computer and a PLC as the main controller. The working process is as follows:

[0053] like Figures 1 to 13 As shown, after the entire equipment has been debugged:

[0054] First, the aluminum alloy wheel to be welded is placed on the electrically conductive seat one 34 and the electrically conductive seat two 27 by workers or mechanical hands, and the welding opening of the aluminum alloy wheel is positioned between the electrically conductive seat one 34 and the electrically conductive seat two 27. If the two ends of the aluminum alloy wheel are not flat, the control system controls the rotary down-pressing cylinder one 31 and the rotary down-pressing cylinder two 32 to apply downward pressure to the two ends of the aluminum alloy wheel, so that the two ends of the welding opening are flush. At the same time, the control system controls the clamping cylinder one 10 to work, so that the clamping cylinder one 10 pushes the pressing plate 33 at the end of the piston rod to clamp and fix the aluminum alloy wheel on the electrically conductive seat one 34. At this time, if the welding opening distance of the aluminum alloy wheel is too large, the band 20 is passed from the lower part of the aluminum alloy wheel, the appropriate length of the band 20 is adjusted and then hung on the hook 19. The control system starts the adjusting cylinder 17 to work, so that the adjusting cylinder 17 drives the fixed head to move upwards, and exerts force on the aluminum alloy wheel through the band 20, so that the two ends of the aluminum alloy wheel are close to each other, the welding opening distance is reduced, and the extrusion force is changed to "0". At this time, the work of the adjusting cylinder 17 is stopped and kept. At this time, the control system controls the clamping cylinder two 12 to work, so that the clamping cylinder two 12 pushes the pressing plate 33 at the end of the piston rod to clamp and fix the aluminum alloy wheel on the electrically conductive seat two 27. Then the control system controls the adjusting cylinder 17, the rotary down-pressing cylinder one 31 and the rotary down-pressing cylinder two 32 to reset, and the band 20 hung on the hook 19 is removed.

[0055] After the aluminum alloy wheel is clamped and fixed, the control system controls the transformer 21, the cooling system, etc. The transformer 21 supplies power to the electrically conductive seat one 34 and the electrically conductive seat two 27 through the soft copper belt one 22, the soft copper belt two 23 and the two electrically conductive frames 25, and a huge welding current (usually up to tens of thousands to hundreds of thousands of amperes) is supplied to the aluminum alloy wheel. The ear contact point at the welding opening is instantaneously melted and vaporized due to high resistance, forming metal vapor and generating intense "sparkling" or "flash". The control system starts the top forging oil cylinder 13 to work, so that the top forging oil cylinder 13 exerts a pushing force on the support two 11, thereby driving the movable clamp seat 5 to rotate around the rotating shaft 7 and continuously feed the static clamp seat 3 at a set speed. The process of maintaining the flashing process is maintained. In this process, the oxides and impurities on the contact surface at the welding opening are burned and discharged, and at the same time, a uniform heating layer is formed on the end face. When the welding end face of the entire welding opening is heated to a plastic state, the top forging oil cylinder 13 drives the support two 11 to drive the movable clamp seat 5 to sprint forward at a very high speed and with a huge pressure (top forging force), so that the molten end faces of the two welding openings collide violently. At this time, the molten metal and impurities at the welding opening are extruded out of the joint to form a flash (welding scar). Under the action of pressure, the pure metal atoms realize firm metallurgical bonding. At the same time, the control system instantaneously cuts off the power supply to the electrically conductive seat one 34 and the electrically conductive seat two 27. The pressure is maintained for a period of time to cool and set the weld under pressure to prevent cracking. After the setting is completed, the control system controls the clamping oil cylinder one 10 and the clamping oil cylinder two 12 to reset, so that the pressure plate 33 releases the aluminum alloy wheel. The worker or the mechanical hand takes out the welded aluminum alloy wheel and sends it to the next process (such as welding scar removal, heat treatment, finishing, etc.). The control system controls the top forging oil cylinder to reset, and the flash butt welding of the aluminum alloy wheel is completed.

[0056] Due to various reasons, the electrically conductive seat one 34 and the electrically conductive seat two 27 installed on the clamp one 4 and the clamp two 6 are not level, which cannot guarantee the quality of the product after welding. Therefore, it is necessary to adjust the height of the electrically conductive seat one 34 and the electrically conductive seat two 27. When adjusting, the following operations are performed:

[0057] First, loosen all the bolt assemblies on the horizontal surface of the L-shaped back plate 24, and then loosen all the bolt assemblies on the vertical surface of the L-shaped back plate 24. The control system controls the proportional valve to drive the hydraulic lifting oil cylinder 30 to move the clamp two 6 up and down, thereby adjusting the height of the electrically conductive seat two 27 to be flush with the electrically conductive seat one 34. After the adjustment is completed, tighten all the bolt assemblies to ensure that the electrically conductive seat one 34 and the electrically conductive seat two 27 are level, meeting the welding production requirements.

[0058] As described above, when the cooling system is working, the circulating pump 39 delivers the coolant in the liquid tank 40 to each heat-generating component through the pipeline, and the heated coolant flows to the heat sink 46 for heat dissipation and cooling. The cooled coolant is delivered to the liquid tank 40 to form a circulating flow to cool each heat-generating component. After the motor 55 works, the bevel gear set 2 56 drives the bevel gear roller 1 58 to rotate, which drives the bevel gear roller 2 59 to rotate through the gear 3 60, so that the bevel gear roller 2 59 drives the shaft 64 to rotate through the belt wheel assembly 63, and then the shaft 64 drives the cooling fan 52 to rotate through the bevel gear set 1 53. After the cooling fan 52 rotates, the hot air in the heat exchange tank 43 is extracted to form a low pressure state, and the low temperature air outside the fan housing 44 enters the heat exchange tank 43 through the filter screen, so that the cooling liquid in the heat sink 46 is quickly heat exchanged and cooled, ensuring the circulating cooling effect of the cooling liquid. When the cooling liquid circulates normally, the gear 4 65 is separated from the gear 2 54 without contact.

[0059] When the low-temperature coolant enters the inside of the heat dissipation sleeve 74, the cylinder body of the top forging oil cylinder 13 is cooled and cooled, and the spiral heat dissipation fin 83 plays a role in accelerating the heat dissipation effect, maintaining a stable working state. After the coolant flows out of the heat dissipation sleeve, it enters the heat sink 46 through the water pipe 2 85 for cooling and cooling. When the coolant flows through the inside of the pump wheel 2 84, the impeller shaft is driven to rotate, so that the impeller shaft drives the rotating disc 86 to rotate, so that the rotating disc 86 drives the sliding frame 87 to move up and down reciprocatingly through the pin rod 91, so that the sliding frame 87 drives the gear ring 2 88 to reciprocatingly rotate through the rack 90, and then the gear ring 2 88 drives the ring frame 1 75 to synchronously reciprocatingly rotate, so that the ring frame 1 75 drives the sliding rod 2 78, the screw 77 and the ring frame 2 76 to rotate around the central axis of the ring frame 1 75, and under the action of the gear 5 81 and the gear ring 1 82, the screw 77 rotates around its own center, and drives the sliding block 79 to move reciprocatingly and spirally through the thread transmission, so that the sliding block 79 drives the brush head 80 to clean the surface of the spiral heat dissipation fin 83 in real time, maintaining stable and efficient heat dissipation effect, thereby ensuring the working stability and reliability of the top forging oil cylinder 13.

[0060] As described above, when the temperature sensor 73 detects that the temperature of the coolant at the outlet end of the heat sink 46 is too high, the temperature signal is delivered to the controller, and the controller controls the cylinder 61 to work, so that the cylinder 61 drives the gear 3 60 to move upward between the bevel gear roller 1 58 and the bevel gear roller 2 59 through the sliding rod 1 62, thereby increasing the transmission ratio between the bevel gear roller 1 58 and the bevel gear roller 2 59, and then increasing the rotating speed of the cooling fan 52, so that the air flow in the heat exchange tank 43 is increased, and then the heat exchange capacity is increased, achieving more efficient cooling effect on the cooling liquid.

[0061] As described above, the slide rod one 62 moves up at the same time, and the connecting rod two 67 is driven to move up by the two limit plates 71, so that the connecting rod two 67 drives the pipe shaft 68 and the gear four 65 on it to move up, the conical gear roller one 58 rotates at the same time, and the pipe shaft 68 is driven to rotate by the multi-rib rod 69, so that the pipe shaft 68 synchronously drives the gear four 65 to rotate, when the gear four 65 is engaged with the gear two 54, the gear four 65 drives the gear one 49 to rotate through the gear two 54, so that the gear one 49 synchronously drives the reciprocating lead screw 48 to rotate, so that the reciprocating lead screw 48 drives the impeller shaft in the pump wheel one 50 to rotate, so that the impeller shaft transports the water in the water tank to the shunt pipe 72 through the water pipe one 51, and sprays the water to the heat dissipation surface of the heat dissipation plate 46 through the water spray hole on the shunt pipe 72, and the reciprocating lead screw 48 drives the frame 47 to move up and down reciprocatingly, and synchronously drives the shunt pipe 72 to move up and down reciprocatingly, so that the water is uniformly sprayed on the heat dissipation surface of the heat dissipation plate 46, and the heat absorption of water vapor evaporation is utilized to increase the heat dissipation efficiency and effect of the heat dissipation plate 46.

[0062] When the outlet end cooling liquid temperature of the heat dissipation plate 46 returns to normal, the control system controls the cylinder 61 to drive the gear three 60 to reset through the slide rod one 62, at the same time, the slide rod one 62 drives the connecting rod two 67 to move down through the limit plate 71, so that the connecting rod two 67 drives the pipe shaft 68 to move down and reset, and then the gear four 65 is separated from the gear two 54, and then the frame 47 stops sliding, and the pump wheel one 50 stops pumping water.

[0063] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and it is intended to embrace all changes falling within the meaning and range of equivalents of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0064] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0065] In the description of the present application, it needs to be explained that, unless explicitly specified and limited, the terms "connected", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. An aluminum alloy wheel rim welding device, comprising a bed (1) with a transformer (21) fixed thereon, characterized in that: Also includes: The cable tray (2), the movable clamp seat (5), and the stationary clamp seat (3) are provided. One end of the cable tray (2) is fixed to the bed (1), and the other end is fixed to the stationary clamp seat (3). The stationary clamp seat (3) is fixed to the bed (1). The movable clamp seat (5) is rotatably connected to the stationary clamp seat (3) via a rotating shaft (7). The movable clamp seat (5) is adjustablely provided with a second clamp (6). The stationary clamp seat (3) is fixed with a first clamp (4). The first clamp (4) and the second clamp (6) are respectively fixed with a first conductive seat (34) and a second conductive seat (27). ), and conductive seat one (34) and conductive seat two (27) are both electrically connected to transformer (21). The clamp one (4) is fixedly connected to clamping cylinder one (10) through bracket one (9). The clamp two (6) is fixedly connected to clamping cylinder two (12) through bracket two (11). The piston rod ends of clamping cylinder one (10) and clamping cylinder two (12) are both hinged with pressure plate (33). The bridge frame (2) is fixedly and rotatably connected to upsetting cylinder (13) through pin shaft (14). The piston rod end of upsetting cylinder (13) is hinged to bracket two (11). Both clamp 1 (4) and clamp 2 (6) are fixed with protruding structures (26), and conductive seat 1 (34) and conductive seat 2 (27) are fixed on the corresponding protruding structures (26) by two fixing plates (28). Soft copper strip 1 (22) and soft copper strip 2 (23) are fixed and electrically connected on the transformer (21). Soft copper strip 1 (22) and soft copper strip 2 (23) are electrically connected to conductive seat 1 (34) and conductive seat 2 (27) by two conductive frames (25). The conductive seat 1 (34) and conductive seat 2 (27) have the same structure and are symmetrically arranged. The conductive seat 1 (34) and conductive seat 2 (27) are provided with grooves corresponding to the inner surface of the aluminum alloy wheel rim. The bottom surfaces of the two pressure plates (33) are provided with protrusions corresponding to the outer surface of the aluminum alloy wheel rim. A weld joint adjustment assembly is provided on the bed (1) and is used to adjust the size of the weld joint of the aluminum alloy wheel rim. The weld adjustment assembly includes an adjustable length hoop (20) and an adjustment cylinder (17) fixed on a fixed seat (16). The fixed seat (16) is fixed on the bed (1) via a vertical plate (15). A fixed head (35) is fixed to the piston rod end of the adjustment cylinder (17). A connecting rod (37) is fixed on the fixed head (35). A roller (38) is rotatably connected to the connecting rod (37) on a fixed axis. A bracket (18) is fixed on the fixed seat (16). A strip-shaped through hole (36) is opened on the bracket (18). The connecting rod (37) passes through the strip-shaped through hole (36). The roller (38) rolls on the bracket (18). One end of the hoop (20) is fixed on the fixed head (35), and the other end is hung on a hook (19). The hook (19) is fixed on a static clamp seat (3). A cooling system is used to cool and reduce the temperature of the heat-generating components in the entire device.

2. The aluminum alloy wheel rim welding equipment according to claim 1, characterized in that: The movable clamp seat (5) is L-shaped, and a bushing (29) is fixed at the lower end of the movable clamp seat (5). The bushing (29) is sleeved on the rotating shaft (7) and is rotatably connected to the rotating shaft (7) through two sets of double-row tapered roller bearings. The two ends of the rotating shaft (7) are fixed on the static clamp seat (3) through the pressure cap (8). An L-shaped back plate (24) is fixed on the movable clamp seat (5). The vertical surface of the L-shaped back plate (24) is provided with multiple elongated holes, and the horizontal surface of the L-shaped back plate (24) is provided with multiple round holes. The clamp two (6) is fixed on the L-shaped back plate (24) through corresponding bolt assemblies and the elongated holes and round holes on the L-shaped back plate (24). A hydraulic lifting cylinder (30) is fixed at the lower part of the movable clamp seat (5), and the piston rod end of the hydraulic lifting cylinder (30) is fixedly connected to the lower end of the clamp two (6).

3. The aluminum alloy wheel rim welding equipment according to claim 2, characterized in that: The weld joint adjustment assembly also includes a rotary pressing cylinder one (31) and a rotary pressing cylinder two (32). The rotary pressing cylinder one (31) is fixed on the static clamp seat (3), and the rotary pressing cylinder two (32) is fixed on the bracket three (18).

4. The aluminum alloy wheel rim welding equipment according to claim 1, characterized in that: The cooling system includes a circulating pump (39), a liquid storage tank (40), and a heat exchanger (41). The circulating pump (39) and the heat exchanger (41) are connected to the cooling channel in the heat-generating component through pipelines, and the circulating pump (39) and the heat exchanger (41) are connected to the liquid storage tank (40) through pipelines.

5. The aluminum alloy wheel rim welding equipment according to claim 4, characterized in that: The heat exchanger (41) includes a heat exchange box (43) fixed on a base (42). The two ends of the heat exchange box (43) are fixed and connected to an air inlet hood (44) and an exhaust hood (45), respectively. Multiple heat dissipation plates (46) are fixed side by side inside the heat exchange box (43). The inlet end of the heat dissipation plate (46) is connected to the cooling channel in the heating component through a pipe. The outlet end of the heat dissipation plate (46) is connected to the liquid storage tank (40) through a pipe. A temperature sensor (73) is provided at the outlet end of the heat dissipation plate (46) and connected to it. A filter screen is fixed at the port of the air inlet hood (44). A cooling fan (52) is rotatably connected to the exhaust hood (45) on a fixed axis.

6. The aluminum alloy wheel rim welding equipment according to claim 5, characterized in that: The housing (42) houses a motor (55), a cylinder (61), and a shaft frame (57). A set of conical toothed rollers (58 and 59) with identical structures but arranged in opposite directions are rotatably connected to the shaft frame (57). The conical toothed rollers (58 and 59) are connected via a gear (60), which is rotatably connected to a slide rod (62). The slide rod (62) is slidably connected to the shaft frame (57). One end of the slide rod (62) is fixed to the piston rod end of the cylinder (61), and the other end is inserted into a strip-shaped through hole (70). Two limiting plates (71) are fixed to the end of the slide rod (62) near the strip-shaped through hole (70). The strip-shaped through hole (70) is opened on the connecting rod (67), and the two limiting plates (71) are located on the connecting rod. The two sides of the second rod (67) slide relative to each other. The second rod (67) is slidably connected to the hanging rod (66), and the hanging rod (66) is fixed to the bottom of the heat exchange box (43). The second rod (67) is rotatably connected to the tube shaft (68) on a fixed axis. One end of the tube shaft (68) is coaxially fixedly connected to the gear four (65), and the other end is inserted into and slidably connected to the multi-faceted rod (69). The multi-faceted rod (69) is coaxially fixedly connected to one end of the conical toothed roller one (58), and the other end of the conical toothed roller one (58) is driven by the motor (55) through the bevel gear set two (56). The conical toothed roller two (59) is driven by the shaft (64) through the pulley assembly (63). The shaft (64) passes through and is rotatably connected to the side wall of the exhaust hood (45). The shaft (64) is driven by the cooling fan (52) through the bevel gear set one (53).

7. The aluminum alloy wheel rim welding equipment according to claim 6, characterized in that: The heat exchange box (43) is internally slidably connected to a frame (47), and the heat dissipation plate (46) is located inside the frame (47). A diversion pipe (72) is fixed on the side wall of the frame (47) facing the heat dissipation surface of the heat dissipation plate (46), and water spray holes are opened on the side wall of the diversion pipe (72) facing the heat dissipation surface of the heat dissipation plate (46). A pump wheel (50) is fixed on the top of the heat exchange box (43), and the pump wheel (50) is connected to the diversion pipe (72) and the water tank through a water pipe (51). The heat exchange box (43) rotates on a fixed axis. A reciprocating screw (48) is connected, which passes through the middle of the frame (47) and is slidably connected to the frame (47). The upper end of the reciprocating screw (48) is connected to the impeller shaft in the pump wheel (50). The lower end of the reciprocating screw (48) passes through the bottom of the heat exchange box (43) and is coaxially fixedly connected to gear one (49). The bottom of the heat exchange box (43) is rotatably connected to gear two (54), and gear two (54) is connected to gear one (49) and gear four (65).

8. The aluminum alloy wheel rim welding equipment according to claim 7, characterized in that: A heat dissipation sleeve (74) is fitted and fixedly connected to the outer wall of the cylinder body of the top forging cylinder (13). At both ends of the outer wall of the heat dissipation sleeve (74), ring frame one (75) and ring frame two (76) are respectively fitted and rotatably connected. A spiral heat dissipation fin (83) is fixed to a section of the outer wall of the heat dissipation sleeve (74) between ring frame one (75) and ring frame two (76). Ring frame one (75) and ring frame two (76) are respectively perpendicularly fixed to both ends of slide rod two (78), and the ring... A screw (77) is rotatably connected between frame one (75) and ring frame two (76) on a fixed axis. A slider (79) is slidably connected to slide rod two (78). The screw (77) passes through and is threaded onto slider (79). A brush head (80) for cleaning the surface of spiral heat sink (83) is fixed on slider (79). Gear five (81) is coaxially fixedly connected to screw (77). Gear ring one (82) is sleeved and fixedly connected to heat sink sleeve (74). Gear 5 (81) meshes with gear ring 1 (82). Gear ring 2 (88) is coaxially fixedly connected to ring frame 1 (75). Support rod (89) and pump wheel 2 (84) are fixed on the cylinder body of the top forging cylinder (13). Water pipe 2 (85) is connected to pump wheel 2 (84). The inlet end of water pipe 2 (85) is connected to the outlet end of heat dissipation sleeve (74). The outlet end of water pipe 2 (85) is connected to the inlet end of heat dissipation plate (46). The heat dissipation sleeve ( The inlet end of 74) is connected to the outlet end of the circulating pump (39) through a pipeline. The impeller shaft of the pump wheel (84) is coaxially fixed to the turntable (86). A pin (91) is fixed on the turntable (86) away from the center. A rack (90) is slidably connected to the support rod (89), and the rack (90) is meshed with the gear ring (88). A slide (87) is fixed to one end of the rack (90), and the pin (91) is inserted into and slidably connected to the slide (87).

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