Laminating device for battery pole pieces
By clearly defining the roles of the alignment platform, material transfer mechanism, and stacking platform in the stacking device, the problems of complex structure and high cost of traditional stacking devices are solved, and efficient stacking of electrodes and separators is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN HAIDEDI IND
- Filing Date
- 2025-05-19
- Publication Date
- 2026-04-28
AI Technical Summary
Traditional lamination devices have complex structures, and multi-axis linkages result in large equipment size, high manufacturing costs, inconvenient operation, and low efficiency.
The correction platform is responsible for horizontal angle correction, the material transfer mechanism is responsible for Y-axis correction, and the stacking platform is responsible for X-axis correction. The precise stacking of the electrode and the separator is achieved through the cooperation of the detection mechanism and the film feeding mechanism.
The number of transmission components was reduced, the complexity of multi-axis linkage was decreased, the correction efficiency and equipment operation stability were improved, and efficient stacking of diaphragms and electrodes was achieved.
Smart Images
Figure CN224177355U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery manufacturing equipment technology, and in particular to a battery electrode stacking device. Background Technology
[0002] A stacking unit (i.e., a stacking machine) is a key piece of equipment used to stack the positive electrode, negative electrode, and separator of a battery in a specific order to form a battery cell. Its core function is to achieve the "stacked" assembly of the battery cell, which is an important step in the production of lithium-ion batteries (especially prismatic and pouch batteries). Traditional stacking machines typically use a multi-axis drive structure for the electrode alignment platform to achieve the electrode alignment function. For example, multiple drive shafts and rotation shafts are used to adjust the position of the electrode in the horizontal X-axis, Y-axis, and angular directions. This alignment platform design has the following drawbacks: complex structure, multi-axis linkage leads to large equipment size, high manufacturing cost, inconvenient operation during stacking, low efficiency, and long time consumption. Utility Model Content
[0003] The technical problem to be solved by this utility model is: to provide a battery electrode stacking device to solve the problems of complex structure and high manufacturing cost of existing stacking devices.
[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a battery electrode stacking device, comprising a frame, a correction platform, a material transfer device, a stacking platform, and a film placement mechanism; the correction platform includes a first correction platform and a second correction platform, which are rotatably mounted on the frame; the stacking platform is slidably mounted on the frame along a second horizontal direction; the material transfer device includes a first transfer mechanism and a second transfer mechanism, which are movably mounted on the frame, wherein the first transfer mechanism is used to move the positive electrode sheet from the first correction platform to the stacking platform along a first horizontal direction, and the second transfer mechanism is used to move the negative electrode sheet from the second correction platform to the stacking platform along a first horizontal direction; the film placement mechanism is disposed on the frame and located above the stacking platform, and a separator is wound around the film placement mechanism.
[0005] Furthermore, the stacking device of this utility model also includes a first driving component, which includes a first mounting frame and a first driving motor. The first correction table includes a first rotating platform. The first driving motor and the first rotating platform are mounted on the first mounting frame, and the first driving motor is connected to the first rotating platform in a transmission manner.
[0006] Furthermore, the stacking device of this utility model also includes a detection mechanism, which includes a first camera device and a second camera device mounted on the frame. The first camera device is located above the first correction stage, and the second camera device is located above the second correction stage.
[0007] Furthermore, in the stacking device of this utility model, the first material transfer mechanism is provided with a robot arm, which is used to move the positive electrode sheet from the first correction table to the stacking table along the first horizontal direction.
[0008] Furthermore, the stacking device of this utility model also includes a second driving assembly, which includes a first driving device and two first tracks. The stacking platform includes a feeding platform. The first driving device and the two first tracks are mounted on the frame. The bottom of the feeding platform is slidably connected to the two first tracks. One side of the feeding platform is drivenly connected to the first driving device.
[0009] Furthermore, in the stacking device of this utility model, the first driving device includes a second mounting frame, a second driving motor, and a first rotating lead screw. The second driving motor is mounted on the second mounting frame, and the output shaft of the second driving motor is connected to the first rotating lead screw via a transmission connection. The first rotating lead screw is rotatably mounted on the second mounting frame around its own shaft axis, and the first rotating lead screw is threadedly connected to the sliding block of the feeding table.
[0010] Furthermore, in the stacking device of this utility model, the stacking platform further includes a first connecting chain, one end of which is connected to the frame and the other end of which is connected to the feeding platform.
[0011] Furthermore, in the stacking device of this utility model, the feeding platform includes a support assembly, a lifting platform, and a feeding plate. The support assembly is connected to the first driving device, and the feeding plate is slidably mounted on the support assembly in the vertical direction via the lifting platform.
[0012] Furthermore, in the stacking device of this utility model, the lifting platform includes a third drive motor, a transmission belt, and a second rotating lead screw. The third drive motor is mounted on the support assembly. One end of the second rotating lead screw is connected to the output shaft of the third drive motor via the transmission belt, and the other end of the second rotating lead screw is connected to the support assembly via a bearing. The rotating lead screw is threadedly connected to the connecting block of the feeding plate.
[0013] Furthermore, the stacking device of this utility model also includes a first material box and a first feeding mechanism installed on the frame. The first feeding mechanism is slidably disposed on the frame and is used to move the positive electrode sheet from the first material box to the first alignment table.
[0014] The advantages of this invention are as follows: Compared to the complex alignment platform of traditional lamination devices, which requires at least two drive shafts and one rotation shaft, the alignment platform in this invention is only responsible for horizontal angle alignment. Alignment in other directions, such as the Y-axis (i.e., the first horizontal direction), is achieved by the material transfer mechanism, and the X-axis (i.e., the second horizontal direction) is achieved by the sliding of the stacking platform, clearly defining the division of labor. Furthermore, since the lamination device itself needs to move through the material transfer mechanism and the stacking platform during the lamination process, this solution can reduce transmission components and lower costs. In other words, by having the alignment platform, material transfer mechanism, and stacking platform independently perform alignment in specific directions (i.e., angle, X-axis, and Y-axis), the complexity of multi-axis linkage in traditional alignment platforms is avoided, improving alignment efficiency and equipment operational stability. Through the cooperation of the membrane placement mechanism and the stacking platform, the diaphragm and positive and negative electrode sheets can be stacked, thus effectively performing lamination. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the stacking device described in this utility model from one perspective under one embodiment.
[0016] Figure 2 for Figure 1 A magnified view of part A of the stacking device shown.
[0017] Figure 3 This is a schematic diagram of the stacking device described in this utility model from another perspective under one embodiment.
[0018] Figure 4 for Figure 3 A magnified view of part B of the stacking device shown.
[0019] Figure 5 for Figure 3 A magnified view of part C of the stacking device shown.
[0020] Figure 6 This is a schematic diagram of the stacking device described in this utility model from another perspective under one embodiment.
[0021] Figure 7 for Figure 6 A magnified view of part D of the stacking device shown.
[0022] Figure 8This is a schematic diagram of the stacking platform and the second driving component in one embodiment of the stacking device of this utility model.
[0023] Figure 9 This is an exploded view of the stacking platform and the second drive component in the stacking device of this utility model from one perspective in one embodiment.
[0024] Figure 10 This is an exploded view of the stacking platform and the second drive component in the stacking device of this utility model from one perspective in one embodiment.
[0025] Figure 11 This is a schematic diagram of the feeding platform in the stacking device of this utility model after the cover plate is hidden.
[0026] Figure 12 This is a schematic diagram of the structure of the first alignment platform and the first driving component in one embodiment of the stacking device of this utility model.
[0027] Figure 13 This is an exploded view of the first alignment platform and the first driving component in one embodiment of the stacking device of this utility model.
[0028] Figure 14 This is a top view of one embodiment of the stacking device described in this utility model.
[0029] Label Explanation:
[0030] 1. Rack;
[0031] 2. Correction platform; 21. First correction table; 211. First mounting bracket; 212. First drive motor; 213. First rotating platform; 22. Second correction table;
[0032] 3. Transfer device; 31. First transfer mechanism; 32. Second transfer mechanism;
[0033] 4. Membrane delivery mechanism; 41. Diaphragm;
[0034] 5. Stacking platform; 51. Feeding platform; 511. First support plate; 512. Second support plate; 513. Lifting platform; 514. Third drive motor; 515. Transmission belt; 516. Second rotating lead screw; 517. Feeding plate; 518. Cover plate; 519. Sliding block; 52. First drive device; 521. Second mounting bracket; 522. Second drive motor; 523. First rotating lead screw; 53. First track; 54. First connecting chain;
[0035] 6. Feeding device; 61. First feeding mechanism; 62. Second feeding mechanism;
[0036] 7. First camera device;
[0037] 8. Second camera device. Detailed Implementation
[0038] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.
[0039] Please refer to Figures 1 to 14 This utility model discloses a battery electrode stacking device, which includes a frame 1, a correction platform 2, a material transfer device 3, a stacking platform 5, and a film placement mechanism 4. The correction platform 2 includes a first correction stage 21 and a second correction stage 22, which are rotatably mounted on the frame 1. The stacking platform 5 is slidably mounted on the frame 1 along a second horizontal direction. The material transfer device 3 includes a first transfer mechanism 31 and a second transfer mechanism 32, which are slidably mounted on the frame 1. The first transfer mechanism 31 is used to move the positive electrode sheet from the first correction stage 21 to the stacking platform 5 along a first horizontal direction, and the second transfer mechanism 32 is used to move the negative electrode sheet from the second correction stage 22 to the stacking platform 5 along a first horizontal direction. The film placement mechanism 4 is mounted on the frame 1 and located above the stacking platform 5, and a separator 41 is wound around the film placement mechanism 4.
[0040] In practical applications, the stacking platform 5 can initially be positioned in the first position (where positive electrode sheets can be stacked). If there is an angle deviation in the positive electrode sheet on the first alignment platform 21, the first alignment platform 21 can be driven to rotate, thus correcting the angle of the positive electrode sheet on the first alignment platform 21. Afterwards, the first transfer mechanism 31 can move the positive electrode sheet from the first alignment platform 21 to the stacking platform 5 along the first horizontal direction. To achieve correction in the first horizontal direction, the moving distance of the first transfer mechanism 31 needs to be strictly limited to avoid deviations in the subsequent stacking of the positive electrode sheet. Then, the stacking platform 5 can be driven to slide along the second horizontal direction. When it slides to the second position (corresponding to the position of the membrane placement mechanism 4), the membrane placement mechanism 4 stacks the separator 41. After the membrane placement mechanism 4 has covered the separator 41, the stacking platform 5 continues to move along the second horizontal direction until it reaches the third position (where negative electrode sheets can be stacked). Meanwhile, if there is an angle deviation in the negative electrode sheet on the second alignment stage 22, the second alignment stage 22 can be driven to rotate, thereby correcting the angle of the negative electrode sheet located on the second alignment stage 22. Afterwards, the second transfer mechanism 32 moves the negative electrode sheet from the second alignment stage 22 to the stacking platform 5 and stacks it on the separator 41, achieving alignment between the negative electrode sheet, separator 41, and positive electrode sheet. To achieve alignment in the first horizontal direction, the moving distance of the second transfer mechanism 32 needs to be strictly limited to avoid deviations in the subsequent stacking of the negative electrode sheet. Furthermore, it should be noted that this invention allows for cyclic stacking, such as repeating the sequence "positive electrode sheet - separator 41 - negative electrode sheet" or other preset sequences, until the required number of cell layers is achieved.
[0041] As can be seen from the above description, the beneficial effects of this utility model are as follows: Compared with the complex correction platform 2 of traditional stacking machines, which requires at least two drive shafts and one rotation shaft, the correction platform 2 of this utility model is only responsible for horizontal angle correction. For correction in other directions, such as the Y-axis (i.e., the first horizontal direction), the correction is achieved by the material transfer mechanism, and the X-axis (i.e., the second horizontal direction) correction is achieved by the sliding of the stacking platform 5, with a clear division of labor. Moreover, since the stacking device itself needs to move through the material transfer mechanism and the stacking platform 5 during the stacking process, this solution can reduce transmission components and lower costs. In other words, by having the correction platform 2, the material transfer mechanism, and the stacking platform 5 independently perform correction in specific directions (i.e., angle, X-axis, Y-axis), the complexity of multi-axis linkage of the traditional correction platform 2 is avoided, improving correction efficiency and equipment operation stability. Through the cooperation of the film placement mechanism 4 and the stacking platform 5, the diaphragm 41 and the positive and negative electrode sheets can be stacked, thereby effectively performing the stacking.
[0042] Furthermore, such as Figure 12 as well as Figure 13As shown, the stacking device of this utility model further includes a first driving component. The first driving component includes a first mounting frame 211 and a first driving motor 212. The first correction table 21 includes a first rotating platform 213. The first driving motor 212 and the first rotating platform 213 are mounted on the first mounting frame 211. The first driving motor 212 is connected to the first rotating platform 213 in a transmission connection.
[0043] In practical applications, the first drive motor 212 is connected to the first rotating platform 213 via a transmission. When the output shaft of the first drive motor 212 rotates, it can drive the first rotating platform 213 to rotate, for example, causing the first rotating platform 213 to rotate around the output shaft of the first drive motor 212 as the center of rotation, thereby adjusting the angle deviation of the electrode sheets located on the first rotating platform 213. That is, by controlling the rotation of the first rotating platform 213, the horizontal angle is adjusted (i.e., angle correction), ensuring that the electrode sheets have consistent angles when stacked.
[0044] Furthermore, the stacking device of this utility model also includes a detection mechanism, which includes a first camera device 7 and a second camera device 8 mounted on the frame 1. The first camera device 7 is located above the first correction stage 21, and the second camera device 8 is located above the second correction stage 22. In addition, this utility model may also be equipped with corresponding sensors for deviation detection, which is not limited here.
[0045] As described above, by adding a corresponding detection mechanism (i.e., the first / second camera device located above the correction platform 2), the first / second camera device can capture the position and angle of the positive / negative electrode after the positive / negative electrode enters the first / second correction stage 22, providing real-time data for the first / second correction stage 22, avoiding blind correction, improving the targeting and accuracy of correction, and reducing stacking defects caused by positional deviation.
[0046] Furthermore, in the stacking device described in this utility model, the first transfer mechanism 31 is equipped with a robotic arm, which is used to move the positive electrode sheet from the first alignment table to the stacking table along a horizontal first direction. In practical applications, the robotic arm may include a corresponding adsorption component, which may have multiple adsorption holes for connecting to a negative pressure gas source. Through the multiple adsorption holes connected to the negative pressure gas source, the negative pressure adsorption holes fix the electrode sheet through vacuum suction during the transfer process, preventing the electrode sheet from shifting or falling off due to vibration or insufficient friction, thus improving the reliability of the transfer. Of course, in some embodiments, corresponding claws may be provided to move the corresponding positive electrode sheet, which is not limited here.
[0047] Furthermore, such as Figure 8 as well as Figure 9As shown, the stacking device of this utility model further includes a second driving component, which includes a first driving device 52 and two first tracks 53. The stacking platform includes a feeding platform 51. The first driving device 52 and the two first tracks 53 are mounted on the frame 1. The bottom of the feeding platform 51 is slidably connected to the two first tracks 53, and one side of the feeding platform 51 is drivenly connected to the first driving device 52.
[0048] As described above, under the drive of the first drive device 52, the feeding platform 51 can move along the two first tracks to form a moving path (which extends along the second horizontal direction) to achieve precise correction in the X direction (i.e., the second horizontal direction). Specifically, the first drive device 52 drives the feeding platform 51 to slide along the first track 53 to adjust the position of the stacking platform 5 in the X direction. Combined with the Y-direction movement of the transfer mechanism and the angle adjustment of the correction platform, the electrode sheet is corrected in all three dimensions to ensure that the electrode sheet position is accurately aligned during stacking.
[0049] Furthermore, such as Figure 10 as well as Figure 11 As shown, in the stacking device of this utility model, the first driving device 52 includes a second mounting frame 521, a second driving motor 522, and a first rotating lead screw 523. The second driving motor 522 is mounted on the second mounting frame 521, and the output shaft of the second driving motor 522 is connected to the first rotating lead screw 523 for transmission. The first rotating lead screw 523 is rotatably disposed on the second mounting frame 521 around its own shaft axis, and the first rotating lead screw 523 is threadedly connected to the sliding block 519 of the feeding table 51.
[0050] As can be seen from the above description, the first driving device 52 adopts a rotary screw drive. When the output shaft of the second driving motor 522 rotates, it can drive the rotary screw to rotate around its own shaft axis. At this time, since the first rotary screw 523 is threadedly connected to the sliding block 519 of the feeding table 51, the feeding table 51 moves along the second horizontal direction.
[0051] Furthermore, such as Figure 8 As shown, in the stacking device of this utility model, the stacking platform 5 further includes a first connecting chain 54, one end of the first connecting chain 54 is connected to the frame 1, and the other end of the first connecting chain 54 is connected to the feeding platform 51.
[0052] As described above, the stacking platform 5 is equipped with a first connecting chain 54 to connect the frame 1 and the unloading platform 51. The connecting chain serves as an auxiliary transmission component, which can balance the force on the unloading platform 51 when it slides, reduce tilting or vibration caused by unilateral drive, and improve the stability of the stacking platform 5 during operation.
[0053] Furthermore, such as Figure 10 as well as Figure 11 As shown, in the stacking device of this utility model, the feeding platform 51 includes a support assembly, a lifting platform 513 and a feeding plate 517. The support assembly is connected to the first driving device 52. The feeding plate 517 is slidably mounted on the support assembly in the vertical direction via the lifting platform 513.
[0054] As described above, the feeding table 51 includes a lifting platform 513, and the feeding plate 517 can move vertically. The height of the feeding plate 517 can be adjusted by the lifting platform 513 to avoid pressing deviation caused by fixed height, thereby improving the flexibility and compatibility of the stacking process.
[0055] Furthermore, such as Figure 8 as well as Figure 9 As shown, in the stacking device of this utility model, the lifting platform 513 includes a third drive motor 514, a transmission belt 515, and a second rotating lead screw 516. The third drive motor 514 is mounted on the support assembly. One end of the second rotating lead screw 516 is connected to the output shaft of the third drive motor 514 via the transmission belt 515, and the other end of the second rotating lead screw 516 is connected to the support assembly via the bearing. The rotating lead screw is threadedly connected to the connecting block of the feeding plate 517.
[0056] As described above, the screw drive combined with motor control enables the adjustment of the vertical position of the feeding plate 517, thereby facilitating the bonding of the electrode sheet and the diaphragm 41 by adjusting the vertical position of the stacking platform 5.
[0057] Furthermore, in the stacking device described in this utility model, such as Figure 6 as well as Figure 7 As shown, it also includes a first material box (not shown) and a first feeding mechanism 61 mounted on the frame 1. The first feeding mechanism 61 is slidably mounted on the frame 1 and is used to move the positive electrode sheet from the first material box to the first correction stage 21.
[0058] In practical applications, the stacking device can also be equipped with a corresponding material box assembly and a feeding device 6. The material box assembly includes a first material box and a second material box. The first material box is used to hold the positive electrode sheet, and the second material box is used to hold the negative electrode sheet. Correspondingly, the feeding device 6 can include a first feeding mechanism 61 and a second feeding mechanism 62. The first feeding mechanism 61 is used to transfer the positive electrode sheet in the first material box to the first alignment stage 21, and the second feeding mechanism 62 is used to transfer the negative electrode sheet in the second material box to the second alignment stage 22.
[0059] As can be seen from the above description, the first material box and the first feeding mechanism 61 are set up to facilitate the feeding mechanism to move the positive electrode sheet from the material box to the first correction stage 21, so that it can be corrected by the first correction stage 21.
[0060] Please refer to Figures 1 to 14 A preferred embodiment of this utility model is: a battery electrode stacking device, comprising a frame 1, a first material box, a first feeding mechanism 61, a first alignment table 21, a first transfer mechanism 31, a second material box, a first camera device 7, a second feeding mechanism 62, a second alignment table 22, a second transfer mechanism 32, a second camera device 8, a stacking table 5, and a film placement mechanism 4. In this embodiment, as... Figure 1 , Figure 3 as well as Figure 6 As shown, the stacking device frame 1 is mainly divided into three areas. The components in the first area (which can be considered the first working mechanism) are used for transporting and correcting the positive electrode sheet. The components in the second area (which can be considered the second working mechanism) are separated from the components in the first area by a partition and are used for transporting and correcting the negative electrode sheet. The components in the third area (which can be considered the third working mechanism) are used for stacking the positive and negative electrode sheets and the separator 41. The following description, combined with... Figures 1 to 13 The above components will be described in detail.
[0061] In this embodiment, as Figure 1 , Figure 3 as well as Figure 6 As shown, the first and second working mechanisms have the same structure. Therefore, we will use the first working mechanism as an example to explain its various working components. The structure and installation method of the various working components of the second working mechanism can be deduced from those of the first working mechanism, so they will not be described again. Figure 2 as well as Figure 6As shown, the frame 1 includes, in a first region along a first horizontal direction, a first material box, a first feeding mechanism 61, a first alignment table 21, and a first transfer mechanism 31. The first material box is used to hold positive electrode sheets. The first feeding mechanism 61 is slidably mounted on the frame 1 and is used to move the positive electrode sheets from the first material box to the first alignment table 21. The first feeding mechanism 61 includes a robotic arm, which is slidably mounted on the frame 1 in both the vertical and horizontal directions via a corresponding moving mechanism. This facilitates the movement of the robotic arm up and down and horizontally to move the positive electrode sheets from the first material box to the first alignment table 21. The first alignment table 21 is rotatably mounted on the frame 1. Specifically, the first alignment table 21 includes a first rotating platform 213, which rotates based on a first drive assembly. The first drive assembly includes a first mounting frame 211 and a first drive motor 212. The first drive motor 212 and the first rotating platform 213 are mounted on the first mounting frame 211, and the first drive motor 212 is connected to the first rotating platform 213 in a transmission manner. Above the first rotating platform 213, a first camera device 7 is also provided, which is mounted on the mounting frame.
[0062] In this embodiment, as Figure 6 As shown, the first transfer mechanism 31 is slidably mounted on the frame 1. The first transfer mechanism 31 is used to move the positive electrode sheet from the first alignment stage 21 to the stacking stage 5 along a horizontal first direction. To transfer the positive electrode sheet from the first alignment stage 21 to the stacking stage 5, the first transfer mechanism 31 is equipped with an adsorption element. The adsorption element has multiple adsorption holes for connecting to a negative pressure gas source. The positive electrode sheet can be adsorbed through these multiple adsorption holes, thereby allowing it to be moved.
[0063] In this embodiment, as Figures 8 to 11 As shown, the third working mechanism includes a stacking platform 5 and a film feeding mechanism 4. The stacking platform 5 is slidably mounted on the frame 1 along a second horizontal direction. The stacking platform 5 includes a feeding platform 51, which slides based on a second driving assembly. This second driving assembly includes a first driving device 52 and two first tracks 53. The first driving device 52 and the two first tracks 53 are mounted on the frame 1. The bottom of the feeding platform 51 is slidably connected to the two first tracks 53, and one side of the feeding platform 51 is driveably connected to the first driving device 52. During operation, the feeding platform 51 can slide on the two first tracks 53 driven by the first driving device 52. In this embodiment, as... Figure 9As shown, the first driving device 52 includes a second mounting bracket 521, a second driving motor 522, and a first rotating lead screw 523. The second driving motor 522 is mounted on the second mounting bracket 521, and its output shaft is connected to the first rotating lead screw 523. The first rotating lead screw 523 is rotatably mounted on the second mounting bracket 521 around its own axis, and is threadedly connected to the sliding block 519 of the feeding platform 51. To further improve the stability of the feeding platform 51's movement along the second horizontal direction, the platform 5 also includes a first connecting chain 54. One end of the first connecting chain 54 is connected to the frame 1, and the other end is connected to the feeding platform 51.
[0064] In this embodiment, the feeding plate in the feeding platform 51 can also move up and down to adjust its position in the vertical direction. Specifically, the feeding platform 51 includes a support assembly, a lifting platform 513, and a feeding plate 517. The support assembly includes a first support plate 511, a second support plate 512, and a cover plate 518. The first support plate 511 is connected to the first driving device 52. The feeding plate 517 is slidably mounted on the second support plate 512 in the vertical direction via the lifting platform 513. Figure 11 As shown, the lifting platform 513 includes a third drive motor 514, a transmission belt 515, and a second rotating lead screw 516. The third drive motor 514 is mounted on the second support plate 512. One end of the second rotating lead screw 516 is connected to the output shaft of the third drive motor 514 via the transmission belt 515, and the other end of the second rotating lead screw 516 is connected to the second support plate 512 via a bearing. The rotating lead screw is threadedly connected to the connecting block of the feeding plate 517. In addition, in this embodiment, a corresponding film feeding mechanism 4 is also provided. The film feeding mechanism 4 is mounted on the frame 1 and located above the stacking platform 5. A diaphragm 41 is wound around the film feeding mechanism 4. During stacking, the diaphragm 41 can be released through the film feeding mechanism 4 for stacking.
[0065] In summary, the battery electrode stacking device provided by this utility model features an optimized structural design. Its correction platform 2 is used only to correct the angle in the horizontal direction (e.g., by capturing images). After determining the offset angle of the electrode, the correction platform 2 is controlled to rotate around the rotation axis, thereby adjusting the angle of the electrode in the horizontal direction. Furthermore, when the first transfer mechanism 31 / second transfer mechanism 32 (robotic arm) moves the positive / negative electrode from the first / second correction platform 22 to the stacking platform 5 for placement, it moves in the Y-axis direction. At this time, the robotic arm can be used for Y-axis correction. Similarly, after the correction platform 2 completes the angle correction, the robotic arm can transport the electrode to the stacking platform 5 for stacking. The stacking platform 5 can move in the X-axis to achieve correction in the X-axis. Therefore, this stacking device can effectively reduce costs and improve production efficiency.
[0066] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A lamination device of a battery electrode sheet, characterized by, The system includes a frame, a web-aligning platform, a material transfer device, a stacking platform, and a film-laying mechanism. The web-aligning platform includes a first web-aligning platform and a second web-aligning platform, which are rotatably mounted on the frame. The stacking platform is slidably mounted on the frame along a second horizontal direction. The material transfer device includes a first material transfer mechanism and a second material transfer mechanism, which are movably mounted on the frame. The first material transfer mechanism is used to move a positive electrode sheet from the first web-aligning platform to the stacking platform along a first horizontal direction, and the second material transfer mechanism is used to move a negative electrode sheet from the second web-aligning platform to the stacking platform along a first horizontal direction. The film-laying mechanism is mounted on the frame and located above the stacking platform, and a diaphragm is wound around the film-laying mechanism.
2. The stacking device according to claim 1, characterized in that, It also includes a first drive assembly, which includes a first mounting frame and a first drive motor. The first correction table includes a first rotating platform. The first drive motor and the first rotating platform are mounted on the first mounting frame, and the first drive motor is connected to the first rotating platform in a transmission manner.
3. The stacking device according to claim 1, characterized in that, It also includes a testing mechanism, which includes a first camera device and a second camera device mounted on the frame. The first camera device is located above the first correction table, and the second camera device is located above the second correction table.
4. The stacking device according to claim 1, characterized in that, The first material transfer mechanism is equipped with a robotic arm, which is used to move the positive electrode sheet from the first alignment table to the stacking table along a horizontal first direction.
5. The stacking apparatus according to claim 1, characterized in that, It also includes a second drive assembly, which includes a first drive device and two first tracks. The stacking platform includes a feeding platform. The first drive device and the two first tracks are mounted on the frame. The bottom of the feeding platform is slidably connected to the two first tracks. One side of the feeding platform is drivenly connected to the first drive device.
6. The stacking apparatus according to claim 5, characterized in that, The first driving device includes a second mounting bracket, a second driving motor, and a first rotating lead screw. The second driving motor is mounted on the second mounting bracket, and the output shaft of the second driving motor is connected to the first rotating lead screw. The first rotating lead screw is rotatably mounted on the second mounting bracket around its own shaft axis, and the first rotating lead screw is threadedly connected to the sliding block of the feeding table.
7. The stacking apparatus according to claim 5, characterized in that, The stacking platform also includes a first connecting chain, one end of which is connected to the frame and the other end of which is connected to the unloading platform.
8. The stacking apparatus according to claim 5, characterized in that, The feeding platform includes a support assembly, a lifting platform, and a feeding plate. The support assembly is connected to the first driving device, and the feeding plate is slidably mounted on the support assembly in the vertical direction via the lifting platform.
9. The stacking apparatus according to claim 8, characterized in that, The lifting platform includes a third drive motor, a transmission belt, and a second rotating lead screw. The third drive motor is mounted on the support assembly. One end of the second rotating lead screw is connected to the output shaft of the third drive motor via the transmission belt, and the other end of the second rotating lead screw is connected to the support assembly via a bearing. The rotating lead screw is threadedly connected to the connecting block of the feeding plate.
10. The stacking apparatus according to claim 1, characterized in that, It also includes a first material box and a first feeding mechanism mounted on the frame. The first feeding mechanism is slidably disposed on the frame and is used to move the positive electrode sheet from the first material box to the first alignment table.