Battery pack shell welding and discharging device

Abstract

The invention relates to the technical field of welding devices. The battery pack shell welding and discharging device comprises two supporting seats, a welding table is rotatably arranged between the two supporting seats, a first supporting rail is arranged on the welding table, a plurality of rolling wheels are evenly and rotatably arranged on the first supporting rail, and a lifting assembly is arranged at the bottom of the welding table. A supporting frame is arranged on the supporting seat, a second supporting rail is arranged on the supporting frame, a movable seat is arranged at the top of the supporting frame, a sliding block is arranged on the movable seat in a sliding mode, a fixing assembly is further arranged on the sliding block, and a driving assembly used for driving the sliding block to move is arranged on the supporting frame. The battery pack shell discharging device has the beneficial effects that by arranging the lifting assembly, the moving base, the sliding block, the fixing assembly and the driving assembly, the welded battery pack shell can be conveniently moved to the position away from the welding table, and then the battery pack shell can be conveniently discharged.

Description

Technical Field

[0001] The present invention relates to the technical field of welding devices, and in particular to a battery pack shell welding blanking device. Background Art

[0002] During the production and processing of the battery pack frame of an electric vehicle, it is necessary to weld multiple steel pipes together to form a beam structure, and then weld the beams together to form a battery pack frame. During welding, it is necessary to weld the top and bottom ends of the battery pack frame, and ensure the accuracy of the welding position of each beam to avoid errors. Therefore, during welding, welding robots are often used to weld the battery pack shell to improve the stability and accuracy of the welding. At present, after the welding robot has completed the welding of the battery pack shell, it is necessary to manually unload the battery pack shell on the welding workbench. The battery pack shell is heavy, which is inconvenient for the staff to operate and has low work efficiency. Summary of the invention

[0003] In order to overcome the shortcomings of the prior art that manual cutting of the battery pack shell on the welding workbench is required, the battery pack shell is heavy, the operation is inconvenient for the staff, and the work efficiency is low, the present application provides a battery pack shell welding cutting device.

[0004] The present application provides a battery pack shell welding blanking device, which adopts the following technical solution: A battery pack shell welding blanking device comprises two support seats, a welding table is rotatably arranged between the two support seats, two mutually parallel first support rails are arranged on the welding table, a plurality of rollers are evenly arranged on the first support rails along their length direction, the plurality of rollers are used to support the battery pack shell, a limiting assembly for fixing the battery pack shell is arranged on the welding table, a lifting assembly for lifting the first support rail is arranged at the bottom of the welding table, a support frame is arranged on one of the support seats, two second support rails are arranged on the top of the support frame, the two second support rails are consistent with the shape and size of the first support rail, and the support frame is far away from the welding table. An auxiliary frame is provided at one end of the frame, and two third support rails are fixedly provided on the auxiliary frame, and the two third support rails are consistent with the shape and size of the first support rail. A moving seat is provided on the top of the support frame and on one side of the second support rail, and a sliding block is slidably provided on the moving seat, and a fourth support rail is provided on the sliding block, and the fourth support rail is consistent with the shape and size of the first support rail. A fixing component for fixing the battery pack shell is also provided on the sliding block, and a driving component for driving the sliding block to move along the length direction of the moving seat is provided on the support frame, and an adjustment component for driving the two moving seats to move in a direction close to each other is provided on the support frame.

[0005] By adopting the above technical scheme, when in use, the battery pack shell is placed on the first support rail, and then the battery pack shell is fixed on the first support rail by the limiting assembly, so as to facilitate the welding robot to weld the battery pack shell. After the welding robot finishes welding the battery pack shell, the limiting assembly first releases the restriction on the battery pack shell, and then the first support rail and the battery pack shell are lifted by the lifting assembly. When the first support rail is lifted to a height consistent with the second support rail, the driving assembly drives the sliding block to move along the length direction of the moving seat. During the movement of the sliding block, the fourth support rail and the fixed assembly will be driven to move synchronously. When the fourth support rail moves to the bottom of the battery pack shell, the battery pack shell is fixed by the fixing assembly, and then the driving assembly is moved in the opposite direction, thereby driving the fourth support rail and the battery pack shell to move synchronously to the third support rail on the auxiliary frame. When the battery pack shell moves to a suitable position, the fixing assembly releases the fixation of the battery pack shell, and then the driving assembly drives the sliding block to move to the original position. The material unloading process is simple and convenient, which reduces labor intensity and improves production efficiency.

[0006] Optionally, the fixing assembly includes a fixing seat, which is fixed on a sliding block, a pressing rod is rotatably provided on the top of the fixing seat, one end of the pressing rod is used to press the battery pack shell, and the other end of the pressing rod is hingedly provided with a first connecting rod, a driving seat is slidably provided inside the fixing seat along a vertical direction, the end of the first connecting rod away from the pressing rod is hinged to the driving seat, a first screw rod is rotatably provided on one side of the fixing seat along a vertical direction, the driving seat is threadedly connected to the first screw rod, a first driving motor is provided at the bottom of the fixing seat, a connecting shaft is coaxially provided on the output shaft of the first driving motor, and the top of the connecting shaft is coaxially connected to the first screw rod.

[0007] By adopting the above technical solution, the fixing assembly will be able to press and fix the battery pack shell onto the fourth support rail, so that the driving assembly can drive the battery pack shell to move synchronously while moving the sliding block.

[0008] Optionally, a mounting seat is provided on the sliding block, a clamping block for clamping the battery pack shell is slidably provided on the mounting seat, a second screw rod is rotatably provided in the mounting seat along its own length direction, the second screw rod is connected to the bottom of the clamping block by a thread, a driven bevel gear is coaxially provided at one end of the second screw rod, a driving bevel gear is coaxially provided on the connecting shaft, and the driving bevel gear is meshed with the driven bevel gear.

[0009] By adopting the above technical solution, when the fixing component drives the pressing rod to press and fix the battery pack shell, the first drive motor will drive the second screw rod to rotate synchronously during rotation, and the second screw rod will drive the clamping block to move toward the direction close to the battery pack shell during rotation, thereby clamping and fixing the battery pack shell, thereby improving the fixing effect of the battery pack shell.

[0010] Optionally, the driving assembly includes a first rack, which is arranged at the bottom of the sliding block, a first gear is rotatably arranged inside the movable seat, the first gear is meshed with the first rack, a second driving motor is arranged on the supporting frame, and an output shaft of the second driving motor is connected to the first gear.

[0011] By adopting the above technical solution, when the sliding block needs to be moved, the second drive motor is started. During the rotation of the second drive motor, the first gear will be driven to rotate. During the rotation of the first gear, the first rack will be driven to move along the length direction of the moving seat. The first rack is fixedly connected to the sliding block, thereby driving the sliding block to move synchronously.

[0012] Optionally, the adjustment assembly includes two adjustment seats, the two adjustment seats are fixedly arranged on both sides of the top of the support frame, and the bottoms of the two movable seats are respectively provided with adjustment blocks, and the two adjustment blocks are respectively slidably arranged on the two adjustment seats, the bottom of one of the adjustment blocks is hingedly provided with a first adjustment rod, and the other adjustment block is hingedly provided with a second adjustment rod, the first adjustment rod is hinged to the second adjustment rod, and a driving rod is hinged at the position where the first adjustment rod and the second adjustment rod are connected, a first cylinder is arranged on the top of the support frame, the piston rod of the first cylinder is connected to the driving rod, a fixed shaft is coaxially arranged on the output shaft of the second driving motor, the fixed shaft is hollow, and a movable shaft is slidably arranged inside the fixed shaft along its own length direction, and the first gear is coaxially arranged on the movable shaft.

[0013] By adopting the above technical solution, the two fixing components can be moved towards each other or away from each other by adjusting the components, so that battery pack shells of various sizes can be fixed.

[0014] Optionally, the auxiliary frame is hinged to the supporting frame, a second cylinder is hingedly provided at the top of the supporting frame, a rotating block is hingedly provided at the bottom of the auxiliary frame away from the supporting frame, and a piston rod of the second cylinder is connected to the rotating block.

[0015] By adopting the above technical solution, when the battery pack shell is located on the auxiliary frame, the second cylinder is started, and the piston rod of the second cylinder will move toward the direction close to the cylinder body, so that the auxiliary frame rotates at the position where it is hinged with the support frame, and the auxiliary frame will move toward the direction close to the support seat. At this time, the auxiliary frame will tilt, so that the battery pack shell can be slowly lowered and placed on the moving tool used to move the battery pack shell, thereby facilitating the battery pack shell to enter the next production process.

[0016] Optionally, the lifting assembly includes a lifting cylinder, which is arranged at the bottom of the welding table. A lifting frame is arranged at the bottom of the welding table along the vertical direction. The top of the lifting frame is connected to the bottom of the two first support rails, and the piston rod of the lifting cylinder is connected to the bottom of the lifting frame.

[0017] By adopting the above technical solution, when the welding robot completes welding of the battery pack shell, the battery pack shell is lifted to the same height as the second support rail through the lifting assembly, so that the battery pack shell can be removed from the welding table through the driving assembly, thereby facilitating the unloading of the battery pack shell.

[0018] Optionally, the limit assembly includes a limit seat, which is arranged on the top of the welding table, and a limit rod is rotatably arranged on the limit seat, and the limit rod is rotatably connected to the limit seat through a rotating shaft, a second gear is coaxially arranged at one end of the rotating shaft, and a second rack is slidably arranged along the vertical direction on the welding table, the bottom of the second rack is connected to the top of the lifting frame, and the second rack is meshed with the second gear.

[0019] By adopting the above technical solution, when the lifting assembly lifts the first support rail and the battery pack shell, the lifting cylinder will be able to synchronously drive the second rack to move. During the movement of the second rack, the second gear will be driven to rotate, so that the limit rod moves in the direction away from the battery pack shell, thereby releasing the fixation of the battery pack shell to facilitate the unloading of the battery pack shell.

[0020] Optionally, two L-shaped positioning rods are provided in parallel with each other at one end of the auxiliary frame away from the supporting frame.

[0021] By adopting the above technical solution, when the driving assembly moves the battery pack housing onto the auxiliary frame, the positioning rod will limit the moving position of the battery pack housing to prevent the battery pack housing from moving to a position beyond the auxiliary frame.

[0022] Optionally, a protective pad is provided on the pressing rod for protecting the surface of the battery pack shell.

[0023] By adopting the above technical solution, the protective pad can protect the surface of the battery pack shell, thereby preventing the pressing rod from causing indentations on the surface of the battery pack shell when pressing and fixing the battery pack shell to a certain extent.

[0024] The present invention has the following advantages: 1. By setting a lifting assembly, a moving seat, a sliding block, a fixing assembly and a driving assembly, it is possible to move the battery pack shell after welding to a position away from the welding table, thereby facilitating the unloading of the battery pack shell; 2. By providing an adjustment component, the two fixing components can be moved toward or away from each other, so that battery pack shells of various sizes can be fixed; 3. By setting a positioning rod, the positioning rod can limit the moving position of the battery pack shell to prevent the battery pack shell from moving beyond the position of the auxiliary frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the installation structure of the lifting assembly of the present invention; Figure 3 It is a schematic diagram of the installation structure of the auxiliary frame of the present invention; Figure 4 It is a schematic diagram of the installation structure of the fixing assembly of the present invention; Figure 5 It is a schematic diagram of the installation structure of the drive assembly of the present invention; Figure 6 It is a schematic diagram of the installation structure of the adjustment seat of the present invention; In the figure: 1, support seat; 11, welding table; 12, first support rail; 13, roller; 14, support frame; 15, second support rail; 16, auxiliary frame; 161, positioning rod; 17, third support rail; 18, moving seat; 181, sliding block; 19, fourth support rail; 2, limit assembly; 21, limit seat; 22, limit rod; 23, rotating shaft; 24, second gear; 25, second rack; 3, lifting assembly; 31, lifting cylinder; 32, lifting frame; 4, fixing assembly; 41, fixing seat; 42, pressing rod; 43, first connecting rod; 44, driving seat; 45, first wire Rod; 46, first drive motor; 47, connecting shaft; 48, mounting seat; 481, clamping block; 482, second screw rod; 483, driven bevel gear; 484, driving bevel gear; 5, driving assembly; 51, first rack; 52, first gear; 53, second drive motor; 54, fixed shaft; 55, movable shaft; 6, adjustment assembly; 61, adjustment seat; 62, adjustment block; 63, first adjustment rod; 64, second adjustment rod; 65, driving rod; 66, first cylinder; 7, second cylinder; 71, rotating block; 72, protective pad; 73, battery pack shell; 74, welding manipulator. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0027] like Figures 1 to 6As shown, a battery pack shell welding blanking device comprises two support seats 1, a welding table 11 is rotatably installed between the two support seats 1, two mutually parallel first support rails 12 are installed on the welding table 11, a plurality of rollers 13 are evenly rotatably installed on the first support rail 12 along its own length direction, the plurality of rollers 13 are used to support the battery pack shell 73, a limiting component for fixing the battery pack shell 73 is installed on the welding table 11, a lifting component 3 for lifting the first support rail 12 is provided at the bottom of the welding table 11, a support frame 14 is provided on one of the support seats 1, two second support rails 15 are installed on the top of the support frame 14, the two second support rails 15 are consistent with the shape and size of the first support rail 12, and the support frame 14 is away from the welding table. An auxiliary frame 16 is installed at one end of 11, and two third support rails 17 are fixedly installed on the auxiliary frame 16. The two third support rails 17 are consistent with the shape and size of the first support rail 12. A moving seat 18 is installed on the top of the support frame 14 and on one side of the second support rail 15. A sliding block 181 is slidably installed on the moving seat 18, and a fourth support rail 19 is installed on the sliding block 181. The fourth support rail 19 is consistent with the shape and size of the first support rail 12. A fixing component 4 for fixing the battery pack shell 73 is also installed on the sliding block 181. A driving component 5 for driving the sliding block 181 to move along the length direction of the moving seat 18 is installed on the support frame 14. A driving component 5 for driving the two moving seats 18 to move toward each other is installed on the support frame 14. When in use, the battery pack shell 73 is placed on the first support rail 12, and the multiple rollers 13 on the first support rail 12 can support the battery pack shell 73. Then, the battery pack shell 73 is fixed to the first support rail 12 by the limit assembly, so that the welding robot can weld the battery pack shell 73. When the welding robot finishes welding the battery pack shell 73, the limit assembly first releases the restriction on the battery pack shell 73, and then the first support rail 12 and the battery pack shell 73 are lifted by the lifting assembly 3. When the first support rail 12 is lifted to the same height as the second support rail 15, the sliding block 181 is driven by the driving assembly 5 to move along the length direction of the moving seat 18, and the sliding block 181 During the movement, the fourth support rail 19 and the fixing component 4 will be driven to move synchronously. When the fourth support rail 19 moves to the bottom of the battery pack shell 73, the battery pack shell 73 is fixed by the fixing component 4, and then moved in the opposite direction by the driving component 5, thereby driving the fourth support rail 19 and the battery pack shell 73 to move synchronously to the third support rail 17 on the auxiliary frame 16. When the battery pack shell 73 moves to a suitable position, the fixing component 4 releases the fixation of the battery pack shell 73, and then the driving component 5 drives the sliding block 181 to move to its original position. The first support rail 12, the second support rail 15 and the multiple rollers 13 on the third support rail 17 can rotate freely, thereby facilitating the movement of the battery pack shell 73.

[0028] like Figures 1 to 6 As shown, the fixing assembly 4 includes a fixing seat 41, which is fixedly mounted on the sliding block 181, a pressing rod 42 is rotatably mounted on the top of the fixing seat 41, one end of the pressing rod 42 is used to press the battery pack shell 73, and the other end of the pressing rod 42 is hingedly mounted with a first connecting rod 43, a driving seat 44 is slidably mounted inside the fixing seat 41 along the vertical direction, one end of the first connecting rod 43 away from the pressing rod 42 is hinged to the driving seat 44, a first screw rod 45 is rotatably mounted on one side of the fixing seat 41 along the vertical direction, the driving seat 44 is threadedly connected to the first screw rod 45, a first driving motor 46 is mounted at the bottom of the fixing seat 41, a connecting shaft 47 is coaxially mounted on the output shaft of the first driving motor 46, and the top of the connecting shaft 47 is coaxially connected to the first screw rod 45; when the battery pack shell 73 needs to be fixed on the fourth support When on the support rail 19, start the first drive motor 46. During the rotation of the first drive motor 46, the connecting shaft 47 will be driven to rotate. During the rotation of the connecting shaft 47, the first screw rod 45 will be driven to rotate synchronously. During the rotation of the first screw rod 45, the driving seat 44 will be driven to move along the length direction of the first screw rod 45. During the movement of the driving seat 44, the first connecting rod 43 will be driven to move. During the movement of the first connecting rod 43, the pressing rod 42 will be pushed away from one end of the battery pack shell 73. The pressing rod 42 will rotate with the position connected to the fixing seat 41 as the center of the circle, so that the other end of the pressing rod 42 moves in the direction close to the battery pack shell 73, so that the pressing rod 42 presses the battery pack shell 73 on the fourth support rail 19, thereby fixing the battery pack shell 73 to facilitate the movement of the battery pack shell 73.

[0029] like Figures 1 to 6 As shown, a mounting seat 48 is installed on the sliding block 181, and a clamping block 481 for clamping the battery pack shell 73 is slidably installed on the mounting seat 48. A second screw rod 482 is rotatably installed in the mounting seat 48 along its own length direction. The second screw rod 482 is connected to the bottom of the clamping block 481 through a thread. A driven bevel gear 483 is coaxially installed at one end of the second screw rod 482, and a driving bevel gear 484 is coaxially installed on the connecting shaft 47. The driving bevel gear 484 is meshed with the driven bevel gear 483; when the first drive motor During the rotation of 46, the first drive motor 46 will drive the connecting shaft 47 to rotate synchronously, and the connecting shaft 47 will drive the active bevel gear 484 to rotate synchronously, and the active bevel gear 484 will drive the driven bevel gear 483 to rotate, and the driven bevel gear 483 will drive the second screw rod 482 to rotate synchronously, and the second screw rod 482 will drive the clamping block 481 to move toward the direction close to the battery pack shell 73, thereby clamping and fixing the battery pack shell 73.

[0030] like Figures 1 to 6 As shown, the driving assembly 5 includes a first rack 51, which is installed at the bottom of the sliding block 181, and a first gear 52 is rotatably installed inside the moving seat 18, and the first gear 52 is meshed with the first rack 51. A second driving motor 53 is installed on the supporting frame 14, and the output shaft of the second driving motor 53 is connected to the first gear 52; when it is necessary to move the sliding block 181, the second driving motor 53 is started, and the rotation of the second driving motor 53 will drive the first gear 52 to rotate, and the rotation of the first gear 52 will drive the first rack 51 to move along the length direction of the moving seat 18, and the first rack 51 is fixedly connected to the sliding block 181, thereby driving the sliding block 181 to move synchronously.

[0031] like Figures 1 to 6 As shown, the adjustment assembly 6 includes two adjustment seats 61, and the two adjustment seats 61 are fixedly installed on both sides of the top of the support frame 14. Adjustment blocks 62 are installed at the bottom of the two movable seats 18. The two adjustment blocks 62 are slidably installed on the two adjustment seats 61 respectively. A first adjustment rod 63 is hingedly installed at the bottom of one of the adjustment blocks 62, and a second adjustment rod 64 is hingedly installed on the other adjustment block 62. The first adjustment rod 63 is hinged with the second adjustment rod 64, and a driving rod 65 is hingedly installed at the position where the first adjustment rod 63 and the second adjustment rod 64 are connected. A first cylinder 66 is installed on the top of the support frame 14, and the piston rod of the first cylinder 66 is connected to the driving rod 65. A fixed shaft 54 ​​is coaxially fixedly installed on the output shaft of the second drive motor 53. The fixed shaft 54 ​​is hollow, and a movable shaft 55 is slidably installed inside the fixed shaft 54 ​​along its own length direction. A fixed key block is fixedly installed on the movable shaft 55 along its own length, so that the movable shaft 55 can When the fixed shaft 54 ​​is able to slide along the length direction of the fixed shaft 54, the fixed shaft 54 ​​can drive the movable shaft 55 to rotate synchronously, and the first gear 52 is coaxially fixedly installed on the movable shaft 55; the battery pack shell 73 has various sizes. In order to enable the fixing component 4 to fix the battery pack shells 73 of various sizes, the first cylinder 66 is started, and the piston rod of the first cylinder 66 will push the driving rod 65 to move synchronously. During the movement of the driving rod 65, the first adjustment rod 63 and the second adjustment rod 64 will be driven to move synchronously. During the movement of the first adjustment rod 63 and the second adjustment rod 64, the two adjustment blocks 62 will be driven to move towards each other or move away from each other. During the movement of the two adjustment blocks 62, the two movable seats 18 will be driven to move synchronously, so that the two fixing components 4 move towards each other or move away from each other, so that battery pack shells 73 of various sizes can be fixed.

[0032] like Figures 1 to 6As shown, the auxiliary frame 16 is hinged to the support frame 14, the top of the support frame 14 is hingedly installed with the second cylinder 7, the bottom of the auxiliary frame 16 away from the support frame 14 is hingedly installed with a rotating block 71, and the piston rod of the second cylinder 7 is connected to the rotating block 71; when the battery pack shell 73 is located on the auxiliary frame 16, the second cylinder 7 is started, and the piston rod of the second cylinder 7 will move in the direction close to the cylinder body, so that the auxiliary frame 16 rotates at the position where it is hinged to the support frame 14, and the auxiliary frame 16 will move in the direction close to the support seat 1. At this time, the auxiliary frame 16 will tilt, so that it is convenient for the battery pack shell 73 to slowly lower its height and be placed on the moving tool used to move the battery pack shell 73, so as to facilitate the battery pack shell 73 to enter the next production process.

[0033] like Figures 1 to 6 As shown, the lifting assembly 3 includes a lifting cylinder 31, which is installed at the bottom of the welding table 11. A lifting frame 32 is installed at the bottom of the welding table 11 along the vertical direction. The top of the lifting frame 32 is connected to the bottom of the two first support rails 12, and the piston rod of the lifting cylinder 31 is connected to the bottom of the lifting frame 32. When in use, the lifting cylinder 31 is started, and the piston rod of the lifting cylinder 31 will move in the direction away from the cylinder body. During the movement of the piston rod of the lifting cylinder 31, the lifting frame 32 will be driven to move synchronously. During the movement of the lifting frame 32, the first support rail 12 will be pushed to move synchronously, thereby facilitating the lifting of the battery pack shell 73 after welding.

[0034] like Figures 1 to 6 As shown, the limit assembly includes a limit seat 21, which is installed on the top of the welding table 11. A limit rod 22 is rotatably installed on the limit seat 21. The limit rod 22 is rotatably connected to the limit seat 21 through a rotating shaft 23. A second gear 24 is coaxially installed at one end of the rotating shaft 23. A second rack 25 is slidably installed on the welding table 11 along the vertical direction. The bottom of the second rack 25 is connected to the top of the lifting frame 32, and the second rack 25 is meshed with the second gear 24. When the lifting cylinder 31 pushes the lifting frame 32 to move, the lifting frame 32 will move and drive the second rack 25 to move synchronously. During the movement of the second rack 25, the second gear 24 will be driven to rotate synchronously. During the rotation of the second gear 24, the rotating shaft 23 will be driven to rotate. During the rotation of the rotating shaft 23, the limit rod 22 will be driven to rotate synchronously. During the rotation of the limit rod 22, the limit rod 22 will move in a direction away from the battery pack shell 73, thereby releasing the fixation of the battery pack shell 73.

[0035] like Figures 1 to 6As shown, two L-shaped positioning rods 161 are installed parallel to each other on one end of the auxiliary frame 16 away from the support frame 14; when the driving assembly 5 moves the battery pack shell 73 to the auxiliary frame 16, the positioning rods 161 will limit the moving position of the battery pack shell 73 to prevent the battery pack shell 73 from moving to a position beyond the auxiliary frame 16.

[0036] like Figures 1 to 6 As shown, a protective pad 72 for protecting the surface of the battery pack shell 73 is installed on the pressing rod 42; the protective pad 72 can protect the surface of the battery pack shell 73, thereby preventing the pressing rod 42 from causing indentations on the surface of the battery pack shell 73 when pressing and fixing the battery pack shell 73 to a certain extent.

[0037] The implementation principle of this embodiment is as follows: when in use, the battery pack shell 73 is placed on the first support rail 12, and then the battery pack shell 73 is fixed to the first support rail 12 by the limiting assembly, so that the welding robot can weld the battery pack shell 73. When the welding robot finishes welding the battery pack shell 73, the limiting assembly is first released from the restriction on the battery pack shell 73, and then the first support rail 12 and the battery pack shell 73 are lifted by the lifting assembly 3. When the first support rail 12 is lifted to the same height as the second support rail 15, the driving assembly 5 is used to drive the sliding block 181 moves along the length direction of the movable seat 18. During the movement of the sliding block 181, the fourth support rail 19 and the fixing component 4 will be driven to move synchronously. When the fourth support rail 19 moves to the bottom of the battery pack shell 73, the battery pack shell 73 is fixed by the fixing component 4, and then moved in the opposite direction by the driving component 5, thereby driving the fourth support rail 19 and the battery pack shell 73 to move synchronously to the third support rail 17 on the auxiliary frame 16. When the battery pack shell 73 moves to a suitable position, the fixing component 4 releases the fixation of the battery pack shell 73.

[0038] The above is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any technician familiar with the art can make many possible changes and modifications to the technical solution of the present invention by using the above-mentioned technical content without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the solution of the present invention belong to the protection scope of the present technical solution.

Claims

1. A battery pack shell welding blanking device, characterized in that: The invention comprises two support seats (1), a welding platform (11) is rotatably arranged between the two support seats (1), two mutually parallel first support rails (12) are arranged on the welding platform (11), a plurality of rollers (13) are evenly rotatably arranged on the first support rail (12) along its length direction, the plurality of rollers (13) are used to support a battery pack shell (73), a limiting component for fixing the battery pack shell (73) is arranged on the welding platform (11), a lifting component (3) for lifting the first support rail (12) is arranged at the bottom of the welding platform (11), a support frame (14) is arranged on one of the support seats (1), two second support rails (15) are arranged on the top of the support frame (14), the two second support rails (15) are consistent in shape and size with the first support rail (12), and an auxiliary frame (16) is arranged on the end of the support frame (14) away from the welding platform (11). The auxiliary frame (16) is fixedly provided with two third support rails (17), and the two third support rails (17) are consistent in shape and size with the first support rail (12). A movable seat (18) is provided at the top of the support frame (14) and located on one side of the second support rail (15). A sliding block (181) is slidably provided on the movable seat (18), and a fourth support rail (19) is provided on the sliding block (181), and the fourth support rail (19) is consistent in shape and size with the first support rail (12). The sliding block (181) is also provided with a fixing component (4) for fixing the battery pack shell (73). The support frame (14) is provided with a driving component (5) for driving the sliding block (181) to move along the length direction of the movable seat (18), and the support frame (14) is provided with an adjustment component (6) for driving the two movable seats (18) to move in a direction close to each other.

2. A battery pack shell welding blanking device according to claim 1, characterized in that: The fixing assembly (4) comprises a fixing seat (41), wherein the fixing seat (41) is fixedly arranged on the sliding block (181), a pressing rod (42) is rotatably arranged on the top of the fixing seat (41), one end of the pressing rod (42) is used to press the battery pack shell (73), and the other end of the pressing rod (42) is hingedly arranged with a first connecting rod (43), a driving seat (44) is slidably arranged inside the fixing seat (41) along the vertical direction, one end of the first connecting rod (43) away from the pressing rod (42) is hingedly connected to the driving seat (44), a first screw rod (45) is rotatably arranged on one side of the fixing seat (41) along the vertical direction, and the driving seat (44) is threadedly connected to the first screw rod (45), and a first driving motor (46) is arranged at the bottom of the fixing seat (41), and a connecting shaft (47) is coaxially arranged on the output shaft of the first driving motor (46), and the top of the connecting shaft (47) is coaxially connected to the first screw rod (45).

3. A battery pack shell welding blanking device according to claim 2, characterized in that: The sliding block (181) is provided with a mounting seat (48), and a clamping block (481) for clamping a battery pack shell (73) is slidably provided on the mounting seat (48). A second screw rod (482) is rotatably provided in the mounting seat (48) along its length direction, and the second screw rod (482) is connected to the bottom of the clamping block (481) through a thread, and a driven bevel gear (483) is coaxially provided at one end of the second screw rod (482), and a driving bevel gear (484) is coaxially provided on the connecting shaft (47), and the driving bevel gear (484) is meshed with the driven bevel gear (483).

4. A battery pack shell welding blanking device according to claim 2, characterized in that: The driving assembly (5) comprises a first rack (51), the first rack (51) being arranged at the bottom of the sliding block (181), a first gear (52) being rotatably arranged inside the moving seat (18), the first gear (52) being meshed with the first rack (51), a second driving motor (53) being arranged on the supporting frame (14), and an output shaft of the second driving motor (53) being connected to the first gear (52).

5. A battery pack shell welding blanking device according to claim 4, characterized in that: The adjustment assembly (6) comprises two adjustment seats (61), the two adjustment seats (61) are fixedly arranged on both sides of the top of the support frame (14), the bottoms of the two movable seats (18) are each provided with an adjustment block (62), the two adjustment blocks (62) are respectively slidably arranged on the two adjustment seats (61), the bottom of one of the adjustment blocks (62) is hingedly provided with a first adjustment rod (63), the bottom of the other adjustment block (62) is hingedly provided with a second adjustment rod (64), the first adjustment rod (63) is hingedly connected to the second adjustment rod (64), and the A driving rod (65) is hingedly provided at the position where the first adjustment rod (63) is connected to the second adjustment rod (64); a first cylinder (66) is provided on the top of the support frame (14); a piston rod of the first cylinder (66) is connected to the driving rod (65); a fixed shaft (54) is coaxially provided on the output shaft of the second drive motor (53); the fixed shaft (54) is hollow; a movable shaft (55) is slidably provided inside the fixed shaft (54) along its length direction; and the first gear (52) is coaxially provided on the movable shaft (55).

6. A battery pack shell welding blanking device according to claim 1, characterized in that: The auxiliary frame (16) is hingedly connected to the support frame (14); a second cylinder (7) is hingedly provided at the top of the support frame (14); a rotating block (71) is hingedly provided at the bottom of the auxiliary frame (16) away from the support frame (14); and a piston rod of the second cylinder (7) is connected to the rotating block (71).

7. A battery pack shell welding blanking device according to claim 1, characterized in that: The lifting assembly (3) comprises a lifting cylinder (31), wherein the lifting cylinder (31) is arranged at the bottom of the welding table (11), and a lifting frame (32) is arranged at the bottom of the welding table (11) along the vertical direction, wherein the top of the lifting frame (32) is connected to the bottom of the two first support rails (12), and the piston rod of the lifting cylinder (31) is connected to the bottom of the lifting frame (32).

8. A battery pack shell welding blanking device according to claim 7, characterized in that: The limiting assembly comprises a limiting seat (21), the limiting seat (21) being arranged on the top of the welding platform (11), a limiting rod (22) being rotatably arranged on the limiting seat (21), the limiting rod (22) being rotatably connected to the limiting seat (21) via a rotating shaft (23), a second gear (24) being coaxially arranged at one end of the rotating shaft (23), a second rack (25) being slidably arranged along the vertical direction on the welding platform (11), the bottom of the second rack (25) being connected to the top of the lifting frame (32), and the second rack (25) being meshed with the second gear (24).

9. A battery pack shell welding blanking device according to claim 1, characterized in that: Two L-shaped positioning rods (161) are arranged parallel to each other on one end of the auxiliary frame (16) away from the supporting frame (14).

10. A battery pack shell welding blanking device according to claim 2, characterized in that: The pressing rod (42) is provided with a protective pad (72) for protecting the surface of the battery pack housing (73).

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