Lithium battery cell pole piece aligning device
Through the design of guide rails, servo motors and limit plates, the problem of insufficient alignment accuracy of lithium battery cell pole pieces is solved, high precision, convenient operation and wide adaptability are achieved, and the stability and safety of the battery's internal structure are improved.
Patent Information
- Application Number
- CN202422680054.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-04
AI Technical Summary
Existing lithium battery cell electrode alignment devices have low alignment accuracy, complex operation and poor adaptability, resulting in unstable internal battery structure, capacity loss and safety hazards.
A combined structure of guide rails, servo motors and adjustable limit plates is adopted. The precise alignment of the pole pieces is achieved through the synergistic effect of the guide plates and servo motors. The adjustment function of the limit plates and fine-tuning studs is utilized to ensure that the pole pieces remain precisely aligned during the lamination process.
It improves the accuracy and stability of pole piece alignment, reduces operation difficulty and maintenance cost, adapts to lithium battery cells of different specifications, and significantly improves production efficiency and product quality.
Smart Images
Figure CN223427533U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium battery manufacturing, in particular to a lithium battery cell pole piece alignment device. Background Art
[0002] With growing global awareness of renewable energy and environmental protection, lithium batteries, as efficient and clean energy storage solutions, have been widely used in various fields, including electric vehicles and portable electronic devices. Cell production is a critical step in the lithium battery production process, and precise alignment of the positive and negative electrodes within the cell is crucial to ensuring battery performance, improving safety, and extending battery life.
[0003] In the existing technology, although some automated alignment devices have been applied to the production lines of lithium battery cells, most of these devices have the problem of insufficient alignment accuracy. In particular, during the stacking process, due to the softness of the electrode material and the cumulative error during multi-layer stacking, the electrodes cannot be completely aligned, which not only affects the internal structural stability of the battery, but also causes capacity loss and safety hazards. In addition, existing alignment devices often require complex adjustment processes to adapt to different types of battery cells, which increases the operation difficulty and maintenance cost of the equipment. Utility Model Content
[0004] The purpose of the utility model is to provide a lithium battery cell pole piece alignment device to solve the problems of low alignment accuracy, complex operation and poor adaptability of the current lithium battery cell pole piece alignment method proposed in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium battery cell electrode alignment device, comprising a frame and a mobile platform, the mobile platform is installed on the top of the frame through guide rails, side panels are provided on both sides of the mobile platform, guide shafts are provided between the upper ends of the side panels and are staggered in the front and back, and guide plates are provided on the inner sides of the lower ends of the side panels, a fixed plate is commonly connected between the bottom ends of the guide plates, a limit plate with an adjustable position is provided on the inner side of the fixed plate, and the bottom ends of the guide plates are connected to the connection of the side panels through a rotating shaft, and a servo motor is provided on the outer bottom end of the side panel to drive one of the guide plates to rotate.
[0006] Preferably, a strip pressure plate is provided on the outer side of the guide plate, and the strip pressure plate and the guide plate are vertically distributed.
[0007] Preferably, a positioning shaft is provided on the outer side of the guide plate through a groove, and a positioning sleeve is provided on the inner end of the strip pressure plate and is sleeved on the outside of the positioning shaft, and a positioning screw is connected to the positioning sleeve through a threaded structure.
[0008] Preferably, a linkage rod is further connected between the guide plate and the side corresponding to the side plate, and both ends of the linkage rod are hinged at the connection points with the guide plate and the side plate.
[0009] Preferably, a telescopic slot is provided on the inner side of the fixing plate, and a fine-tuning stud is inserted and connected to the fixing plate in the middle of the telescopic slot through a threaded structure, and the inner end of the fine-tuning stud is connected to the center of the limiting plate.
[0010] Preferably, guide pillars are fixed on both sides of the limiting plate, and the outer ends of the guide pillars form a sliding connection with the connection between the fixing plate.
[0011] Compared with the prior art, the present invention has the following beneficial effects: the lithium battery cell electrode alignment device achieves high-precision alignment, has a simple structure, is easy to operate, and is adaptable to lithium battery cells of varying specifications, significantly improving production efficiency and product quality. The device precisely moves the mobile platform mounted on a frame using guide rails, ensuring the accurate positioning of the electrode before entering the alignment area. Furthermore, the servo motor drives the guide plate to rotate, combined with the adjustment functions of the fixed plate and limit plate, ensuring that the electrode remains precisely aligned during the lamination process, effectively avoiding problems caused by inaccurate alignment. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic structural diagram of a lithium battery cell electrode alignment device according to the present invention;
[0013] Figure 2 This is a schematic diagram of the connection structure between the limiting plate and the fixing plate of a lithium battery cell electrode alignment device of the present invention;
[0014] Figure 3 This is a schematic diagram of the inner structure of the connection between the guide plate and the fixed plate of a lithium battery cell electrode alignment device of the present invention.
[0015] In the figure: 1. Frame; 2. Mobile platform; 3. Guide rail; 4. Side panel; 5. Guide shaft; 6. Guide plate; 7. Servo motor; 8. Fixed plate; 9. Limit plate; 10. Linkage rod; 11. Strip pressure plate; 12. Telescopic slot; 13. Fine-tuning stud; 14. Guide column; 15. Positioning shaft; 16. Positioning sleeve. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0017] See also Figure 1-3The utility model provides a technical solution: a lithium battery cell electrode alignment device, including a frame 1 and a mobile platform 2, the mobile platform 2 is installed on the top of the frame 1 through a guide rail 3, side panels 4 are provided on both sides of the mobile platform 2, the bottom ends of the side panels 4 are installed on the top wall of the mobile platform 2 through fixing bolts, guide shafts 5 are provided between the upper ends of the side panels 4 and are staggered in the front and back, the two ends of the guide shafts 5 are connected to the inner walls of the side panels 4 through bearings, and guide plates 6 are provided on the inner sides of the lower ends of the side panels 4, and a fixed plate 8 is connected between the bottom ends of the guide plates 6. A limit plate 9 with an adjustable position is provided on the inner side of the fixed plate 8, and the bottom ends of the guide plates 6 are connected to the connection of the side panels 4 through a rotating shaft, and the outer bottom end of one of the side panels 4 is connected to the outer bottom end of the side panels 4. A servo motor 7 is fixed with bolts, and the output end of the servo motor 7 is connected to the bottom shaft of a corresponding guide plate 6. This structural mobile platform 2 can be accurately moved on the frame 1 through the guide rail 3 to ensure that the position of the pole piece is accurate before entering the alignment area. When the pole piece is guided into the stacking area on the mobile platform 2 through the two guide shafts 5, the servo motor 7 can drive one of the guide plates 6 to rotate, and the other guide plate 6 also rotates synchronously with the cooperation of the fixed plate 8. In this way, the two guide plates 6 can flip and guide the pole pieces for stacking in real time, and the limit plate 9 can be adjusted to a suitable position on the inner side of the fixed plate 8, and one end of the pole piece is limited synchronously to ensure that the pole piece always remains accurately aligned during the stacking process. The invention relates to a device for aligning lithium battery cells of different specifications, which can significantly reduce the operation difficulty and maintenance cost of the equipment, and solves the problems of insufficient alignment accuracy, complicated operation and poor adaptability of lithium battery cell pole pieces in the prior art. A strip pressure plate 11 is provided on the outer side of the guide plate 6, and the strip pressure plate 11 is vertically distributed with the guide plate 6. In this structure, when the pole piece is guided into the alignment area by the guide plate 6, the strip pressure plate 11 can effectively press the edge of the pole piece to prevent the pole piece from deflecting or shaking during movement, thereby ensuring that the pole piece is aligned. The alignment process remains stable, which not only improves the accuracy of the pole piece alignment, but also enhances the overall stability of the device. The outer side of the guide plate 6 is provided with a positioning shaft 15 through a groove, and the inner end of the strip pressure plate 11 is welded and fixed with a positioning sleeve 16 sleeved on the outside of the positioning shaft 15, and the positioning sleeve 16 is connected with a positioning screw through a threaded structure. The strip pressure plate 11 of this structure can slide on the outside of the positioning shaft 15 through the positioning sleeve 16 and be fixed with the positioning screw on the positioning sleeve 16, so that the strip pressure plate 11 can be quickly adjusted to the appropriate position on the outside of the guide plate 6, ensuring that the pole piece is subjected to a stable pressing force during the alignment process, preventing the pole piece from deflecting or shaking, and a linkage rod 10 is also connected between the guide plate 6 and the side corresponding to the side plate 4.And the two ends of the linkage rod 10 and the guide plate 6 and the side plate 4 are connected by pin shaft hinge, this structure guide plate 6 in the process of rotation synchronous will drive linkage rod 10 to move, guide plate 6 under the action of linkage rod 10 can ensure that the pole piece in entering the alignment area always receives the uniform guidance and positioning, further improve the precision and stability of pole piece alignment, the inner side of fixed plate 8 is equipped with telescopic slot 12, and the fixed plate 8 is located in the middle position of telescopic slot 12 and is connected with the fine adjustment stud 13 by threaded structure, and the inner end of fine adjustment stud 13 is connected with the center of limiting plate 9 through bearing, the fine adjustment stud 13 of this structure can rotate in the middle position of telescopic slot 12 through threaded structure, push limiting plate 9 along telescopic slot 12, realize the accurate position adjustment of limiting plate 9 in the inner side of fixed plate 8, this makes the limiting plate 9 can be quickly adjusted to the appropriate position according to the actual need, ensure that one end of the pole piece is accurately positioned during alignment, avoid the alignment error caused by inaccurate position, the two sides of limiting plate 9 are welded and fixed with guide column 14, and the outer end of guide column 14 and the connecting part of fixed plate 8 form sliding connection, the sliding connection of guide column 14 and fixed plate 8 ensures that limiting plate 9 can move smoothly and linearly under the push of fine adjustment stud 13, avoids the alignment error caused by the inclination or jamming of limiting plate 9.
[0018] Working principle: when using the lithium battery cell pole piece alignment device, first, the mobile platform 2 is installed on the top of the rack 1 through the guide rail 3, then the operator rotates the fine adjustment stud 13, the fine adjustment stud 13 rotates and pushes the limiting plate 9 along the telescopic slot 12, the limiting plate 9 will drive the guide column 14 to slide on the fixed plate 8 synchronously when pushing, until the limiting plate 9 is adjusted to the appropriate position in the inner side of the fixed plate 8, then the strip-shaped pressing plate 11 is slid on the outside of the positioning shaft 15 through the positioning sleeve 16, and is fixed in the appropriate position by using the positioning screw on the positioning sleeve 16, then the pole piece is guided into the stack area on the mobile platform 2 through the guide shaft 5, when the pole piece enters the alignment area, the servo motor 7 starts, the output shaft of the servo motor 7 drives one of the guide plates 6 to rotate, the other guide plate 6 also rotates synchronously under the cooperation of the fixed plate 8, the two guide plates 6 guide the pole piece to stack in real time, at the same time, the strip-shaped pressing plate 11 can effectively press the edge of the pole piece to prevent the pole piece from shifting or shaking during movement, and the guide plate 6 drives the linkage rod 10 to move synchronously in the process of rotation, the limiting plate 9 can limit one end of the pole piece synchronously, ensure that the pole piece always keeps accurate alignment during stacking, thereby completing a series of work.
[0019] 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 scope of protection of the present invention.
Claims
1. A lithium battery cell electrode alignment device, comprising a frame (1) and a movable platform (2), wherein the movable platform (2) is mounted on the top of the frame (1) via a guide rail (3), characterized in that: Side plates (4) are provided on both sides of the mobile platform (2), guide shafts (5) are provided between the upper ends of the side plates (4) and are staggered in a front-to-back manner, and guide plates (6) are provided on the inner sides of the lower ends of the side plates (4), and the bottom ends of the guide plates (6) are connected to a fixed plate (8), and the inner sides of the fixed plates (8) are provided with a position-adjustable limit plate (9), and the bottom ends of the guide plates (6) are connected to the connection points of the side plates (4) through rotating shafts, and a servo motor (7) for driving one of the guide plates (6) to rotate is provided at the outer bottom ends of the side plates (4).
2. The lithium battery cell electrode alignment device according to claim 1, characterized in that: A strip-shaped pressing plate (11) is provided on the outer side of the guide plate (6), and the strip-shaped pressing plate (11) and the guide plate (6) are vertically distributed.
3. The lithium battery cell electrode alignment device according to claim 2, characterized in that: The outer side of the guide plate (6) is provided with a positioning shaft (15) through a groove, and the inner end of the strip pressure plate (11) is provided with a positioning sleeve (16) sleeved on the outside of the positioning shaft (15), and the positioning sleeve (16) is connected with a positioning screw through a threaded structure.
4. The lithium battery cell electrode alignment device according to claim 1, characterized in that: A linkage rod (10) is also connected between the guide plate (6) and the side plate (4) corresponding to the side plate, and both ends of the linkage rod (10) are hinged at the connection points with the guide plate (6) and the side plate (4).
5. The lithium battery cell electrode alignment device according to claim 1, characterized in that: A telescopic slot (12) is provided on the inner side of the fixing plate (8), and a fine-tuning screw (13) is inserted and connected to the fixing plate (8) at a position in the middle of the telescopic slot (12) through a threaded structure, and the inner end of the fine-tuning screw (13) is connected to the center of the limiting plate (9).
6. The lithium battery cell electrode alignment device according to claim 5, characterized in that: Guide pillars (14) are fixed on both sides of the limiting plate (9), and the outer ends of the guide pillars (14) form a sliding connection with the connection point of the fixed plate (8).