Lithium battery cell welding equipment

Abstract

The utility model relates to lithium battery cell welding equipment which comprises a bearing device, a moving device, a welding device and a feeding device, the moving device is installed on the bearing device, the welding device is installed on the moving device, and the feeding device is installed on the moving device. The battery cell is borne through the bearing device, the height of the battery cell can be controlled so that the battery cell can be conveniently matched with the battery cells of different layer heights to conduct electrode welding, the welding device is driven by the moving device to move to different welding positions, and the electrode and a copper sheet are welded through the welding device. According to the lithium battery cell welding equipment, a copper sheet required by welding is conveyed to a required position for welding through the feeding device, so that the lithium battery cell welding equipment is more convenient to use, a lithium battery cell can be automatically welded, a worker does not need to manually weld the lithium battery cell, the labor intensity of the worker is relieved, and the working efficiency is improved. And time and labor are saved, the welding speed of the welding equipment is increased, and follow-up work can be rapidly carried out.

Description

Technical Field

[0001] This utility model relates to the technical field of lithium battery equipment, and in particular to a lithium battery cell welding device. Background Technology

[0002] Lithium-ion batteries are a type of battery that uses lithium metal or lithium alloys as the positive / negative electrode materials and a non-aqueous electrolyte solution. Lithium-ion batteries can be broadly classified into two categories: lithium metal batteries and lithium-ion batteries. Lithium-ion batteries do not contain metallic lithium and are rechargeable. The fifth generation of rechargeable batteries, the lithium metal battery, was developed in 1996, and its safety, specific capacity, self-discharge rate, and performance-price ratio are all superior to lithium-ion batteries. Sometimes, the battery cells need to be welded during lithium-ion battery production, which requires the use of welding equipment.

[0003] However, the lithium battery cell welding equipment currently available on the market is not very convenient to use. It cannot automatically weld lithium battery cells, requiring workers to manually weld them. This increases the labor intensity of workers, is time-consuming and laborious, and reduces the welding speed of lithium battery cells, which is not conducive to the rapid progress of subsequent work. Utility Model Content

[0004] The purpose of this invention is to provide a lithium battery cell welding device. This device supports the battery cell using a support device, and its height can be controlled to facilitate electrode welding for cells of different heights. A moving device moves the welding unit to different welding positions, where the welding unit welds the electrodes to copper sheets. A feeding device delivers the required copper sheets to the desired welding positions. This makes the lithium battery cell welding device more convenient to use, automatically welding lithium battery cells without requiring manual operation. This reduces the labor intensity of workers, saves time and effort, and increases the welding speed, facilitating faster subsequent work.

[0005] The present invention adopts the following technical solution: a lithium battery cell welding equipment, comprising a supporting device, a moving device, a welding device and a feeding device, wherein the moving device is mounted on the supporting device, the welding device is mounted on the moving device and the feeding device is mounted on the moving device;

[0006] The supporting device includes a frame, a hydraulic cylinder, a support base, an electromagnet, a support plate, and a connector. A hydraulic cylinder is mounted on the lower end face of the frame, and its moving end extends through the lower end face of the frame into the frame's interior. The support base is connected to the moving end of the hydraulic cylinder, and an electromagnet is mounted at the bottom of the support base. A connector is located on the lower end face of the support plate, and the connector can be inserted into the support base. The support plate supports the battery cell, and the connector, inserted into the support base, limits the position of the support plate. The electromagnet, in conjunction with the connection, attracts the connector, reducing vibration of the support plate during operation. By controlling the extension of the hydraulic cylinder, the height of the battery cell can be changed, allowing welding operations on battery cells of different heights, thus improving the device's practicality.

[0007] The moving device includes a support frame, a dual-output reducer, a first motor, a lead screw, longitudinal moving blocks, a reduction motor, and transverse moving blocks. The support frame is mounted on the upper surface of the frame, and the dual-output reducer is mounted on the rear surface of the support frame. The first motor is mounted on the dual-output reducer. A set of lead screws is mounted on the left and right sides of the support frame, and parallel limiting rails are provided on the lower side of the lead screws. The two output ends of the dual-output reducer are connected to the two sets of lead screws respectively. A set of longitudinal moving blocks is mounted on the left and right sides of the support frame. The upper part of the longitudinal moving blocks is connected to the lead screws via nuts, and the lower part of the longitudinal moving blocks is connected to the limiting rails on their lower sides. The two sets of longitudinal moving blocks... The device is connected by a reciprocating lead screw and multiple sets of limit rods. A geared motor is installed on the left end face of the left longitudinal block, and the output end of the geared motor is connected to the reciprocating lead screw. The transverse block is connected to the reciprocating lead screw through a nut, and multiple sets of limit rods pass through the transverse block. When the first motor is turned on, the power is transmitted to the two sets of lead screws through the dual-output reducer, which drives the two sets of lead screws to rotate. In conjunction with the nuts on the two sets of longitudinal blocks, the transverse block moves back and forth. When the geared motor is turned on, the power is transmitted to the reciprocating lead screw connected to it, which drives the transverse block to move left and right. This allows the welding device to be moved to different working areas for welding operations, improving the practicality of the device.

[0008] The welding device includes a welding platform, a feeding trough, a first electric cylinder, a lifting frame, and welding heads. The welding platform is mounted on the lower end face of the transverse block via a bracket. The feeding trough is provided on the lower end face of the welding platform. The first electric cylinder is mounted on the upper end face of the welding platform. The moving end of the first electric cylinder can extend through the upper end face of the welding platform into the feeding trough and connect with the lifting frame. A set of welding heads is installed on the left and right sides of the lower end face of the lifting frame. By controlling the extension of the first electric cylinder to drive the lifting frame to fall, the two sets of welding heads are used to weld the two sets of electrodes covered by the copper sheet. No manual operation is required, which reduces the labor intensity of the operator and improves the practicality of the device.

[0009] The feeding device includes a storage bin, a second electric cylinder, and a feeding plate. An inclined through hole is connected to the rear side of the unloading trough. A storage bin is located on the upper left side of the through hole, and the bottom of the storage bin is connected to the left side of the through hole. A second electric cylinder is installed on the right end face of the welding platform. The moving end of the second electric cylinder passes through the inclined through hole in the unloading trough and is connected to the feeding plate. The feeding plate can extend to the lower side of the storage bin. A barb is provided on the left side of the feeding plate. Copper sheets are stored in the storage bin. The extension and retraction of the second electric cylinder, in coordination with the feeding plate, brings the copper sheets in the storage bin into the inclined hole at the top of the unloading trough, allowing the copper sheets to slide naturally onto the battery cells on the lower side of the unloading trough. This achieves automatic feeding and reduces the labor intensity of the operators.

[0010] Preferably, a high-strength shovel head is provided on the left end face of the left hook of the frame; after the feeding plate carries the copper sheet to complete a single transport, the second electric cylinder is controlled to extend so that the feeding plate enters the lower side of the storage bin again. The high-strength shovel head reduces the collision deformation between the feeding plate and the copper sheet during the process of the feeding plate entering the storage bin, thus improving the practicality of the device.

[0011] The battery cell is supported by a carrying device, and the height of the battery cell can be controlled to facilitate electrode welding for battery cells of different heights. A moving device moves the welding device to different welding positions, and the welding device welds the electrodes to the copper sheets. A feeding device delivers the copper sheets required for welding to the required positions for welding. This makes the lithium battery cell welding equipment more convenient to use, and it can automatically weld lithium battery cells without the need for manual welding by operators. This reduces the labor intensity of operators, saves time and effort, and increases the welding speed of the welding equipment, which is conducive to the rapid progress of subsequent work.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] The battery cell is supported by a carrying device, and the height of the battery cell can be controlled to facilitate electrode welding for battery cells of different heights. A moving device moves the welding device to different welding positions, and the welding device welds the electrodes to the copper sheets. A feeding device delivers the copper sheets required for welding to the required positions for welding. This makes the lithium battery cell welding equipment more convenient to use, and it can automatically weld lithium battery cells without the need for manual welding by operators. This reduces the labor intensity of operators, saves time and effort, and increases the welding speed of the welding equipment, which is conducive to the rapid progress of subsequent work. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the mobile device in this utility model;

[0016] Figure 3 This is a schematic diagram of the feeding device in this utility model;

[0017] Figure 4 This is a schematic diagram of the welding device in this utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the bearing device in this utility model;

[0019] The following components are labeled in the attached diagram: 1. Frame; 2. Hydraulic cylinder; 3. Bearing seat; 4. Electromagnet; 5. Bearing plate; 6. Connector; 7. Support frame; 8. Dual-output reducer; 9. First motor; 10. Lead screw; 11. Longitudinal moving block; 12. Gear motor; 13. Lateral moving block; 14. Welding platform; 15. Feed chute; 16. First electric cylinder; 17. Lifting frame; 18. Welding head; 19. Storage bin; 20. Second electric cylinder; 21. Feeding plate; 22. High-strength shovel head. Detailed Implementation

[0020] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0021] Example 1

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the present invention provides a lithium battery cell welding equipment, including a supporting device, a moving device, a welding device, and a feeding device. The moving device is mounted on the supporting device, the welding device is mounted on the moving device, and the feeding device is mounted on the moving device.

[0023] The bearing device includes a frame 1, a hydraulic cylinder 2, a bearing seat 3, an electromagnet 4, a bearing plate 5, and a connector 6. The hydraulic cylinder 2 is installed on the lower end face of the frame 1. The moving end of the hydraulic cylinder 2 extends through the lower end face of the frame 1 into the interior of the frame 1. The bearing seat 3 is connected to the moving end of the hydraulic cylinder 2. An electromagnet 4 is installed at the bottom of the bearing seat 3. The connector 6 is provided on the lower end face of the bearing plate 5. The connector 6 can be inserted into the bearing seat 3.

[0024] The moving device includes a support frame 7, a dual-output reducer 8, a first motor 9, a lead screw 10, a longitudinal moving block 11, a reduction motor 12, and a transverse moving block 13. The support frame 7 is mounted on the upper surface of the frame 1, and the dual-output reducer 8 is mounted on the rear surface of the support frame 7. The first motor 9 is mounted on the dual-output reducer 8. A set of lead screws 10 is mounted on the left and right sides of the support frame 7, respectively. Parallel limit rails are provided on the lower side of the lead screws 10. The two output ends of the dual-output reducer 8 are respectively connected to the two sets of lead screws 10. 0 connection, the left and right sides of the support frame 7 are respectively provided with a set of longitudinal moving blocks 11, the upper part of the longitudinal moving block 11 is connected to the lead screw 10 through a nut, the lower part of the longitudinal moving block 11 is connected to the limit slide rail on its lower side, the two sets of longitudinal moving blocks 11 are connected by a reciprocating lead screw and multiple sets of limit rods, a reduction motor 12 is installed on the left end face of the left longitudinal moving block 11, the output end of the reduction motor 12 is connected to the reciprocating lead screw, the transverse moving block 13 is connected to the reciprocating lead screw through a nut, and multiple sets of limit rods pass through the transverse moving block 13;

[0025] The welding device includes a welding platform 14, a feeding trough 15, a first electric cylinder 16, a lifting frame 17, and welding heads 18. The welding platform 14 is mounted on the lower end face of the transverse block 13 via a bracket. The feeding trough 15 is provided on the lower end face of the welding platform 14. The first electric cylinder 16 is mounted on the upper end face of the welding platform 14. The moving end of the first electric cylinder 16 can pass through the upper end face of the welding platform 14 and extend into the feeding trough 15 to connect with the lifting frame 17. A set of welding heads 18 is installed on the left and right sides of the lower end face of the lifting frame 17.

[0026] The feeding device includes a storage bin 19, a second electric cylinder 20, and a feeding plate 21. An inclined through hole is connected to the rear side of the unloading trough 15. The storage bin 19 is provided on the upper left side of the through hole. The bottom of the storage bin 19 is connected to the left side of the through hole. The second electric cylinder 20 is installed on the right end face of the welding platform 14. The moving end of the second electric cylinder 20 passes through the inclined through hole in the unloading trough 15 and is connected to the feeding plate 21. The feeding plate 21 can extend to the lower side of the storage bin 19. A barb is provided on the left side of the feeding plate 21.

[0027] A high-strength shovel head 22 is provided on the left end face of the barb on the left side of the frame 1;

[0028] First, the copper sheet is tilted and placed into the storage bin 19. The battery cell is placed on the support plate 5. Then, the connector 6 is inserted into the support base 3, and the electromagnet 4 is turned on to attract the connector 6. Then, the hydraulic cylinder 2 is controlled to extend so that the battery cell is close to the lower side of the welding platform 14. Then, the second electric cylinder 20 is controlled to extend and retract in conjunction with the loading plate 21 to bring the copper sheet in the storage bin 19 into the inclined hole at the top of the unloading trough 15, so that the copper sheet naturally slides down to the battery cell on the lower side of the unloading trough 15. Then, the first electric cylinder 16 is controlled to extend and drive the lifting frame 17 to fall. With the help of two sets of welding heads 18, the two sets of electrodes covered by the copper sheet are welded. After the welding of a single position is completed, the first motor 9 and the reduction motor 12 are turned on to adjust the position of the welding platform 14 to complete the welding in sequence.

[0029] The battery cell is supported by a carrying device, and the height of the battery cell can be controlled to facilitate electrode welding for battery cells of different heights. A moving device moves the welding device to different welding positions, and the welding device welds the electrodes to the copper sheets. A feeding device delivers the copper sheets required for welding to the required positions for welding. This makes the lithium battery cell welding equipment more convenient to use, and it can automatically weld lithium battery cells without the need for manual welding by operators. This reduces the labor intensity of operators, saves time and effort, and increases the welding speed of the welding equipment, which is conducive to the rapid progress of subsequent work.

[0030] The working process of this utility model:

[0031] First, the copper sheet is tilted and placed into the storage bin 19. The battery cell is placed on the support plate 5 according to the required arrangement. Then, the connector 6 is inserted into the support base 3, and the electromagnet 4 is turned on to attract the connector 6. Then, the hydraulic cylinder 2 is controlled to extend so that the battery cell is close to the lower side of the welding platform 14. Then, the second electric cylinder 20 is controlled to extend and retract, and the feeding plate 21 is used to bring the copper sheet in the storage bin 19 into the inclined hole at the top of the feeding trough 15, so that the copper sheet naturally slides down to the battery cell on the lower side of the feeding trough 15. Then, the first electric cylinder 16 is controlled to extend and drive the lifting frame 17 to fall. With the help of two sets of welding heads 18, the two sets of electrodes covered by the copper sheet are welded. After the welding of a single position is completed, the first motor 9 and the reduction motor 12 are turned on to adjust the position of the welding platform 14 to complete the welding in sequence.

[0032] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A lithium battery cell welding device; comprising a supporting device, a moving device, a welding device, and a feeding device, characterized in that, The mobile device is mounted on the bearing device, the welding device is mounted on the mobile device, and the feeding device is mounted on the mobile device; The bearing device includes a frame (1), a hydraulic cylinder (2), a bearing seat (3), an electromagnet (4), a bearing plate (5), and a connector (6). The hydraulic cylinder (2) is installed on the lower end face of the frame (1). The moving end of the hydraulic cylinder (2) extends through the lower end face of the frame (1) into the interior of the frame (1). The bearing seat (3) is connected to the moving end of the hydraulic cylinder (2). An electromagnet (4) is installed at the bottom of the bearing seat (3). A connector (6) is provided on the lower end face of the bearing plate (5). The connector (6) can be inserted into the bearing seat (3). The moving device includes a support frame (7), a dual-output reducer (8), a first motor (9), a lead screw (10), a longitudinal moving block (11), a reduction motor (12), and a transverse moving block (13). The support frame (7) is mounted on the upper surface of the frame (1), and the dual-output reducer (8) is mounted on the rear end surface of the support frame (7). The first motor (9) is mounted on the dual-output reducer (8). A set of lead screws (10) is mounted on the left and right sides of the support frame (7). Parallel limit rails are provided on the lower side of the lead screws (10). The two output ends of the dual-output reducer (8) are respectively... Connected to two sets of lead screws (10), the support frame (7) is provided with a set of longitudinal moving blocks (11) on the left and right sides respectively. The upper part of the longitudinal moving block (11) is connected to the lead screw (10) through a nut, and the lower part of the longitudinal moving block (11) is connected to the limit slide rail on its lower side. A reciprocating lead screw and multiple sets of limit rods are connected between the two sets of longitudinal moving blocks (11). A geared motor (12) is installed on the left end face of the left longitudinal moving block (11). The output end of the geared motor (12) is connected to the reciprocating lead screw. The transverse moving block (13) is connected to the reciprocating lead screw through a nut, and multiple sets of limit rods pass through the transverse moving block (13). The welding device includes a welding platform (14), a feeding trough (15), a first electric cylinder (16), a lifting frame (17), and welding heads (18). The welding platform (14) is mounted on the lower end face of the transverse block (13) via a bracket. The feeding trough (15) is provided on the lower end face of the welding platform (14). The first electric cylinder (16) is mounted on the upper end face of the welding platform (14). The moving end of the first electric cylinder (16) can pass through the upper end face of the welding platform (14) and extend into the feeding trough (15) to connect with the lifting frame (17). A set of welding heads (18) is installed on the left and right sides of the lower end face of the lifting frame (17). The feeding device includes a storage bin (19), a second electric cylinder (20), and a feeding plate (21). An inclined through hole is connected to the rear side of the discharge trough (15). The storage bin (19) is provided on the upper left side of the through hole. The bottom of the storage bin (19) is connected to the left side of the through hole. The second electric cylinder (20) is installed on the right end face of the welding platform (14). The moving end of the second electric cylinder (20) passes through the inclined through hole in the discharge trough (15) and is connected to the feeding plate (21). The feeding plate (21) can extend to the lower side of the storage bin (19). A barb is provided on the left side of the feeding plate (21).

2. The lithium battery cell welding equipment as described in claim 1, characterized in that, A high-strength shovel head (22) is provided on the left end face of the left barb of the frame (1).

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