Cap pressure welding device of lithium battery product

Abstract

The utility model relates to the technical field of lithium battery pressure welding, and discloses a cap pressure welding device for lithium battery products, which comprises a workbench, the upper surface of the workbench is slidably connected with a placing box, the outer wall of the placing box is fixedly connected with a first hydraulic cylinder, and the output end of the first hydraulic cylinder is fixedly connected with a moving block. The outer wall of the movable block is slidably connected to the inner wall of the fixed block, the lower surface of the fixed block is fixedly connected to the inner wall of the placement box, a sliding groove is formed in the movable block, and a guide column is slidably connected to the interior of the fixed block. According to the pressure welding device, the first hydraulic cylinder pushes the moving block to slide, the moving block pushes the guide columns at the two ends to move relatively through the sliding grooves, then the first clamping block is pushed to slide till the outer wall of the first clamping block makes contact with the lithium batteries, the batteries are fixed through the second clamping block, pressure welding stability is guaranteed, and therefore the multiple lithium batteries are fixed; the time of single operation is reduced, and the efficiency of a production line is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery pressure welding, in particular to a cap pressure welding device for lithium battery products. Background Art

[0002] The cap of a lithium battery product refers to the part covering between the positive and negative electrodes of the battery, which is usually made of metal or plastic and is used to seal and protect the internal components of the battery. It can ensure that the electrolyte inside the battery does not leak and provide structural support and stability. The cap welding of a lithium battery product is a key operation to fix the cap on the battery casing during the assembly process. Therefore, a cap welding device for a lithium battery product is proposed.

[0003] After searching, the announcement number: CN212571086U discloses a cap welding device for lithium battery products, including a box body, a motor is fixedly connected to the top of the inner cavity of the box body, the first pulley is connected to the second pulley through a belt drive, the top of the inner cavity of the fixed frame is fixedly connected to the first fixed box, the piston rod of the first cylinder is fixedly connected to the welding head, the bottom of the cap box is connected to a discharge pipe, and the bottom of the inner cavity of the welding groove is slidably connected to a baffle; the utility model can facilitate automatic welding operation by setting a switch, a motor, a first pulley, a second pulley, a rotating column, a workbench, a first cylinder, a first proximity sensor and a welding head for coordinated use, and can facilitate material collection by setting a second proximity sensor, a second cylinder, a welding groove, a baffle, a groove, a blanking port and a loading box for coordinated use.

[0004] In the above application, by setting up a second proximity sensor, a second cylinder, a pressure welding groove, a baffle, a groove, a drop port and a loading box for coordinated use, it is convenient to collect materials. However, multiple lithium batteries cannot be fixed during use, and only one lithium battery can be pressure welded in a single operation, which reduces the efficiency of the production line. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a cap welding device for lithium battery products, aiming to improve the problem that multiple lithium batteries cannot be fixed and only one lithium battery can be welded in a single operation, thereby reducing the efficiency of its production line.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The lifting of the ...

[0008] Preferably, the pressure welding assembly includes a fixed frame, the lower surface of the fixed frame is fixedly connected to the upper surface of the workbench, the upper surface of the fixed frame is fixedly connected to a second hydraulic cylinder, the output end of the second hydraulic cylinder is fixedly connected to a pressure plate, the internal sliding connection of the pressure plate is a limiting column, the top of the limiting column is fixedly connected to the inner wall of the fixed frame, the upper surface of the workbench is fixedly connected to a baffle, and the outer wall of the baffle is arranged on the outer wall of the placement box.

[0009] Preferably, a support column is fixedly connected to the lower surface of the workbench, and a support leg is slidably connected to the outer wall of the support column.

[0010] Preferably, a frame plate is fixedly connected to the inner wall of the support leg, and a fixing plate is fixedly connected to the upper surface of the frame plate.

[0011] Preferably, the interior of the fixed plate is rotatably connected to a bidirectional threaded post, and the outer wall of the bidirectional threaded post is fixedly connected to a turntable.

[0012] Preferably, the outer wall of the bidirectional thread column is threadedly connected to a movable block, and the outer wall of the movable block is fixedly connected to a transmission column.

[0013] Preferably, the outer wall of the transmission column is slidably connected to a connecting frame, and the lower surface of the connecting frame is fixedly connected to the upper surface of the frame plate.

[0014] Preferably, a pull plate is rotatably connected to the outer wall of the transmission column, a linkage block is rotatably connected to the outer wall of the pull plate, and the upper surface of the linkage block is fixedly connected to the lower surface of the workbench.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the first hydraulic cylinder pushes the moving block to slide, and the moving block pushes the guide columns at both ends to move relative to each other through the slide groove provided therein, thereby pushing the first clamping block to slide on the guide rail until the outer wall of the first clamping block contacts the lithium battery, and the battery is fixed by the second clamping block to ensure its stability during pressure welding, thereby achieving the effect of fixing multiple lithium batteries, reducing the time of a single operation, and improving the efficiency of the production line.

[0017] 2. In the utility model, the push handle holding the outer wall of the placement box pushes the placement box to slide until it fits with the outer wall of the baffle, and the second hydraulic cylinder of the fixed frame is opened. The output end of the second hydraulic cylinder pushes the pressure plate to move downward, and the pressure welding head on the lower surface of the pressure plate is used to pressure weld the lithium battery, avoiding excessive manual operation, thereby achieving the effect of improving the safety of pressure welding.

[0018] 3. In the utility model, the rotating turntable drives the bidirectional thread column to rotate, and the bidirectional thread column drives the movable blocks at both ends to move relative to each other through threaded connections, and the movable blocks drive the transmission column to slide on the inner wall of the connecting frame to ensure the stable movement of the movable blocks. At the same time, the transmission column can push the linkage block through the pull plate, and the use height of the workbench can be adjusted, thereby meeting the use needs of the operator and improving work efficiency and comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a cap welding device for a lithium battery product proposed by the utility model;

[0020] Figure 2 A schematic diagram of a placement box for a cap welding device for a lithium battery product proposed in the utility model;

[0021] Figure 3 This is a schematic diagram of the interior of a fixed block of a cap pressure welding device for a lithium battery product proposed by the utility model;

[0022] Figure 4 The utility model is a schematic diagram of a transmission column of a cap welding device for a lithium battery product.

[0023] Legend:

[0024] 1. Workbench; 2. Placement box; 3. First hydraulic cylinder; 4. Moving block; 5. Fixed block; 6. Slide; 7. Guide column; 8. First clamping block; 9. Guide rail; 10. Second clamping block; 11. Slide rail; 12. Fixed frame; 13. Second hydraulic cylinder; 14. Press plate; 15. Limit column; 16. Baffle; 17. Pillar; 18. Support leg; 19. Shelf; 20. Fixed plate; 21. Two-way screw column; 22. Turntable; 23. Movable block; 24. Transmission column; 25. Connecting frame; 26. Pull plate; 27. Linkage block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings of the specification of this utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-Figure 3 The utility model provides an embodiment: a cap welding device for lithium battery products, comprising a workbench 1, the upper surface of the workbench 1 is slidably connected with a placement box 2, the outer wall of the placement box 2 is fixedly connected with a first hydraulic cylinder 3, the output end of the first hydraulic cylinder 3 is fixedly connected with a moving block 4, the outer wall of the moving block 4 is slidably connected to the inner wall of the fixed block 5, the lower surface of the fixed block 5 is fixedly connected to the inner wall of the placement box 2, a slide groove 6 is provided inside the moving block 4, the interior of the fixed block 5 is slidably connected with a guide column 7, the outer wall of the guide column 7 is slidably connected to the inner wall of the slide groove 6, the outer wall of the guide column 7 is fixedly connected with a first clamping block 8, the lower surface of the first clamping block 8 is slidably connected with a guide rail 9, and the lower surface of the guide rail 9 is fixedly connected to the placement box 2. The inner wall of the placement box 2 is fixedly connected with a second clamping block 10, the interior of the placement box 2 is slidably connected with a slide rail 11, the lower surface of the slide rail 11 is fixedly connected to the upper surface of the workbench 1, and the upper surface of the workbench 1 is provided with a pressure welding assembly; the pressure welding assembly includes a fixed frame 12, the lower surface of the fixed frame 12 is fixedly connected to the upper surface of the workbench 1, the upper surface of the fixed frame 12 is fixedly connected with a second hydraulic cylinder 13, the output end of the second hydraulic cylinder 13 is fixedly connected with a pressing plate 14, the internal sliding connection of the pressing plate 14 is connected with a limiting column 15, the top end of the limiting column 15 is fixedly connected to the inner wall of the fixed frame 12, the upper surface of the workbench 1 is fixedly connected with a baffle 16, and the outer wall of the baffle 16 is arranged on the outer wall of the placement box 2;

[0027] Specifically, the workbench 1 can support the position of the placement box 2 to ensure its stability when sliding, and the placement box 2 can fix the position of the first hydraulic cylinder 3. When the first hydraulic cylinder 3 is turned on, its output end can push the moving block 4 to slide on the inner wall of the fixed block 5, and the moving block 4 can push the guide columns 7 at both ends to move relatively inside the fixed block 5 through the slide groove 6 provided therein, and then push the first clamping block 8 to slide on the inner wall of the placement box 2 through the guide rail 9 until the outer wall of the first clamping block 8 contacts the lithium battery, and then the battery is fixed through the second clamping block 10. The cell is fixed to ensure its stability during pressure welding, and the push handle holding the outer wall of the placement box 2 pushes the placement box 2 to slide on the outer wall of the slide rail 11. When the outer wall of the placement box 2 fits with the outer wall of the baffle 16, the baffle 16 has a limiting effect on the placement box 2. The second hydraulic cylinder 13 fixed on the upper surface of the fixed frame 12 is opened, and the output end of the second hydraulic cylinder 13 can push the pressure plate 14 to slide on the outer wall of the limit column 15. A plurality of pressure welding heads are arranged on the lower surface of the pressure plate 14, and a plurality of lithium batteries can be pressure welded at the same time through the pressure welding heads on the lower surface of the pressure plate 14.

[0028] Reference Figure 1 and Figure 4 The lower surface of the workbench 1 is fixedly connected with a support column 17, and the outer wall of the support column 17 is slidably connected with a support leg 18; the inner wall of the support leg 18 is fixedly connected with a frame plate 19, and the upper surface of the frame plate 19 is fixedly connected with a fixed plate 20;

[0029] Specifically, the workbench 1 can fix the position of the pillar 17, and the support legs 18 can ensure the stability of the workbench 1 through the pillar 17 to prevent it from tipping over. The support legs 18 have a fixed supporting function for the frame plate 19, and the frame plate 19 can support the position of the fixed plate 20.

[0030] Reference Figure 4 The interior of the fixed plate 20 is rotatably connected with a bidirectional threaded column 21, and the outer wall of the bidirectional threaded column 21 is fixedly connected with a turntable 22; the outer wall of the bidirectional threaded column 21 is threadedly connected with a movable block 23, and the outer wall of the movable block 23 is fixedly connected with a transmission column 24; the outer wall of the transmission column 24 is slidably connected with a connecting frame 25, and the lower surface of the connecting frame 25 is fixedly connected to the upper surface of the frame plate 19; the outer wall of the transmission column 24 is rotatably connected with a pull plate 26, and the outer wall of the pull plate 26 is rotatably connected with a linkage block 27, and the upper surface of the linkage block 27 is fixedly connected to the lower surface of the workbench 1;

[0031] Specifically, the fixed plate 20 can support the position of the two-way thread column 21. When the turntable 22 is rotated, the two-way thread column 21 can be driven to rotate inside the fixed plate 20. The transmission column 24 can ensure that the movable block 23 moves stably on the outer wall of the two-way thread column 21, and the rotation of the two-way thread column 21 can drive the movable blocks 23 at both ends to move relative to each other. The connecting frame 25 can ensure that the transmission column 24 will not deviate when it moves. The frame plate 19 has a fixed supporting function for the connecting frame 25. When the transmission column 24 moves, it can drive the pull plate 26 to rotate on its outer wall. At the same time, the pull plate 26 can drive the workbench 1 to move up and down by pushing the linkage block 27, thereby adjusting the use height of the workbench 1.

[0032] Working principle: when this device is needed, technicians can place multiple lithium batteries that need to be pressure-welded between the second clamping block 10 and the first clamping block 8, and then turn on the first hydraulic cylinder 3. The output end of the first hydraulic cylinder 3 can push the movable block 4 to slide on the inner wall of the fixed block 5, and the movable block 4 can push the guide columns 7 at both ends to move relatively inside the fixed block 5 through the slide groove 6 provided therein, and then push the first clamping block 8 to slide on the inner wall of the placement box 2 through the guide rail 9 until the outer wall of the first clamping block 8 contacts the lithium battery, and then fix the battery through the second clamping block 10 to ensure its stability during pressure welding. Then, hold the push handle on the outer wall of the placement box 2 and push the placement box 2 to slide on the outer wall of the slide rail 11 until it fits with the outer wall of the baffle 16, turn on the second hydraulic cylinder 13 fixed on the upper surface of the fixed frame 12, and the output end of the second hydraulic cylinder 13 can push the pressing plate 14 to slide on the outer wall of the limiting column 15, and the lithium battery is pressure-welded through the pressure welding head on the lower surface of the pressing plate 14 to avoid excessive manual labor. Operation, improve safety, when it is necessary to adjust the working height of the workbench 1, rotate the turntable 22 to drive the two-way screw column 21 to rotate inside the fixed plate 20, and when the two-way screw column 21 rotates, it can drive the movable blocks 23 at both ends to move relative to each other through the threaded connection, and when the movable block 23 moves, it can drive the transmission column 24 to slide on the inner wall of the connecting frame 25 to ensure the stable movement of the movable block 23, and at the same time, the transmission column 24 can push the linkage block 27 through the pull plate 26, and then push the workbench 1 to move. At this time, the movement of the workbench 1 can drive the support column 17 to slide inside the support leg 18, so that the use height of the workbench 1 can be adjusted to meet the use needs of technicians, that is, the device can not only fix multiple lithium batteries, reduce the time of a single operation, and improve the efficiency of the production line, but also avoid excessive manual operation, improve the safety of pressure welding, and can also achieve the effect of adjusting the use height of the workbench 1, meet the use needs of operators, and improve work efficiency and comfort.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cap welding device for lithium battery products, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is slidably connected to a placement box (2), the outer wall of the placement box (2) is fixedly connected to a first hydraulic cylinder (3), the output end of the first hydraulic cylinder (3) is fixedly connected to a moving block (4), the outer wall of the moving block (4) is slidably connected to the inner wall of a fixed block (5), the lower surface of the fixed block (5) is fixedly connected to the inner wall of the placement box (2), a sliding groove (6) is provided inside the moving block (4), the interior of the fixed block (5) is slidably connected to a guide column (7), the outer wall of the guide column (7) is slidably connected to the inner wall of the fixed block (5), and the outer wall of the guide column (7) is slidably connected to the inner wall of the fixed block (5). The guide column (7) is movably connected to the inner wall of the slide groove (6), the outer wall of the guide column (7) is fixedly connected to a first clamping block (8), the lower surface of the first clamping block (8) is slidably connected to a guide rail (9), the lower surface of the guide rail (9) is fixedly connected to the inner wall of the placement box (2), the inner wall of the placement box (2) is fixedly connected to a second clamping block (10), the interior of the placement box (2) is slidably connected to a slide rail (11), the lower surface of the slide rail (11) is fixedly connected to the upper surface of the workbench (1), and the upper surface of the workbench (1) is provided with a pressure welding assembly.

2. The cap welding device for lithium battery products according to claim 1, characterized in that: The pressure welding assembly comprises a fixed frame (12), the lower surface of the fixed frame (12) is fixedly connected to the upper surface of the workbench (1), the upper surface of the fixed frame (12) is fixedly connected to a second hydraulic cylinder (13), the output end of the second hydraulic cylinder (13) is fixedly connected to a pressure plate (14), the interior of the pressure plate (14) is slidably connected to a limiting column (15), the top end of the limiting column (15) is fixedly connected to the inner wall of the fixed frame (12), the upper surface of the workbench (1) is fixedly connected to a baffle (16), and the outer wall of the baffle (16) is arranged on the outer wall of the placement box (2).

3. The cap welding device for a lithium battery product according to claim 1, characterized in that: The lower surface of the workbench (1) is fixedly connected to a support column (17), and the outer wall of the support column (17) is slidably connected to a support leg (18).

4. The cap welding device for lithium battery products according to claim 3, characterized in that: The inner wall of the support leg (18) is fixedly connected to a frame plate (19), and the upper surface of the frame plate (19) is fixedly connected to a fixing plate (20).

5. The cap welding device for lithium battery products according to claim 4, characterized in that: A bidirectional threaded post (21) is rotatably connected inside the fixed plate (20), and a rotating disk (22) is fixedly connected to the outer wall of the bidirectional threaded post (21).

6. A cap welding device for lithium battery products according to claim 5, characterized in that: The outer wall of the bidirectional thread column (21) is threadedly connected to a movable block (23), and the outer wall of the movable block (23) is fixedly connected to a transmission column (24).

7. A cap welding device for lithium battery products according to claim 6, characterized in that: The outer wall of the transmission column (24) is slidably connected to a connecting frame (25), and the lower surface of the connecting frame (25) is fixedly connected to the upper surface of the frame plate (19).

8. The cap welding device for lithium battery products according to claim 7, characterized in that: The outer wall of the transmission column (24) is rotatably connected to a pull plate (26), and the outer wall of the pull plate (26) is rotatably connected to a linkage block (27), and the upper surface of the linkage block (27) is fixedly connected to the lower surface of the workbench (1).

Images