Strip guiding and rectifying device for pole piece rolling
By designing flexible alignment rollers and distance control components, the problems of coating peeling and roll damage caused by belt path deviation during electrode rolling were solved, resulting in higher production efficiency and yield.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BENGBU CHENLING NEW ENERGY TECHNOLOGY CO LTD
- Filing Date
- 2025-05-19
- Publication Date
- 2026-06-26
AI Technical Summary
During the electrode rolling process, belt path deviation leads to coating peeling and roll damage, affecting production efficiency and yield. Existing open guide roller correction methods suffer from coating peeling due to friction.
It adopts flexible correction wheels and distance control components. The deformation force of the correction spring flexibly abuts against the side of the belt, and the distance control components enable synchronous or individual adjustment of the correction wheels to adapt to belts of different widths.
It reduces the possibility of coating peeling during conveyor belt feeding, improves the correction effect and applicability, and enhances the stability and production efficiency of the electrode rolling process.
Smart Images
Figure CN224406064U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of lithium battery production technology, and in particular to a belt-carrying correction device for electrode rolling. Background Technology
[0002] In lithium battery production, electrode rolling is one of the key processes in electrode preparation. Rollers are used to press the coated electrode sheets, ensuring a tight bond between the active material and the current collector. Controlling the thickness and density of the electrode sheets directly affects the battery's energy density and cycle performance. However, during rolling, the electrode sheets must be fed at high speed with constant tension. If the feeding path deviates, it can lead to edge wrinkles and uneven thickness, or even strip breakage or roll damage, severely impacting production efficiency and yield.
[0003] Currently, most electrode rolling processes use an open guide roller correction method, which physically limits the electrode by symmetrically arranged guide roller groups on both sides. Although this method can achieve basic guidance, it has significant drawbacks. The guide rollers and the electrode are in rigid contact, and the coating is easily peeled off due to friction during high-speed rolling, which is obviously insufficient. Utility Model Content
[0004] In order to reduce the possibility of belt slip being damaged by rigid contact, this application provides a belt slip correction device for electrode rolling.
[0005] The present application provides a belt-carrying correction device for electrode rolling, which adopts the following technical solution:
[0006] A belt-carrying correction device for electrode rolling includes a rolling mill body. A horizontal feed bracket is arranged on the feed side of the rolling mill body. Fixed plates are arranged on both sides of the feed bracket opposite to the belt carrier. A mounting plate is arranged on the side of the fixed plate facing the belt carrier. A correction wheel for abutting the belt carrier is arranged on the mounting plate. A correction spring is supported between the fixed plate and the mounting plate. An L-shaped hook arm is arranged on the mounting plate and abuts against the side of the fixed plate facing away from the belt carrier.
[0007] By adopting the above technical solution, the worker places the fixed plate base in a suitable position. When the deformation force of the correction spring acts on the plate base, the correction wheel presses against the side of the conveyor belt in a flexible manner, reducing the possibility of excessive friction during conveyor belt feeding that could cause the coating to peel off.
[0008] Optionally, a guide rod is rotatably inserted and fitted onto the mounting plate base, a correction spring is sleeved on the guide rod, and a limiting abutment is fixedly sleeved on the guide rod between the correction spring and the fixed plate base.
[0009] By adopting the above technical solution, the guide rod plays a constraining role on the correction spring, reducing the possibility of tilting or twisting during the deformation of the correction spring.
[0010] Optionally, the feed bracket is provided with a guide groove parallel to the width direction of the conveyor belt, and the fixed plate extends into the guide groove and slides in cooperation with it.
[0011] By adopting the above technical solution, the fixed plate base and the guide groove slide together, thereby improving the stability when the worker adjusts the position of the correction wheel.
[0012] Optionally, the feeding bracket is provided with abutments on opposite sides of the two fixed plates, the guide rod slides through the abutments, a top plate is arranged on the guide rod at a position relative to the abutments and the fixed plates, an adjusting spring is supported between the top plate and the abutments, and a distance control component for controlling the distance between the two correction wheels is also arranged on the feeding bracket.
[0013] By adopting the above technical solution, under the action of the distance control component, the two guide rods move closer to each other or further away from each other, thereby being applicable to the correction function in the feeding process of conveyor belts of different widths, thus improving applicability.
[0014] Optionally, the distance control component includes a support frame arranged on one side of the feed tray. Two coaxially arranged rotating shafts are rotatably mounted on the support frame. Each rotating shaft is fixedly fitted with a take-up and release wheel. Each take-up and release wheel corresponds to a guide rod. A pull line attached to the corresponding guide rod is wound on the take-up and release roll.
[0015] By adopting the above technical solution, the worker manually rotates the shaft, which drives the take-up and unwinding wheels to rotate. The take-up and unwinding wheels achieve the winding or unwinding of the wire, thereby realizing the relative and opposite movement of the two guide rods.
[0016] Optionally, the distance control assembly further includes a linkage sleeve mounted within the support frame and coaxial with the two rotating shafts, and a shaft that rotates coaxially through the linkage sleeve. The end of the shaft is circumferentially hinged with multiple clamping arms for abutting against the outer wall of the rotating shaft. An elastic pad is arranged on one side of the clamping arm for clamping the outer wall of the rotating shaft. Two sliding abutments are slidably mounted on the linkage sleeve, with one sliding abutment corresponding to one rotating shaft. When the sliding abutments are slidably mounted outside the corresponding clamping arms, the clamping arms clamp the outer wall of the rotating shaft. A fastening bolt for abutting against the outer wall of the shaft is threaded onto the linkage sleeve.
[0017] By adopting the above technical solution, the worker slides two sliding cylinders in opposite directions, causing the cylinders to move to the outside of their corresponding clamping arms. Each clamping arm rotates and engages with the outer wall of its corresponding rotating shaft. Then, the fastening bolts are tightened to press the shaft against its outer wall, thus achieving linkage between the two rotating shafts. This structure enables linkage between the two rotating shafts, allowing the guide wheels located on both sides of the conveyor belt to be adjusted synchronously or separately, improving the applicability to the conveyor belt and the correction effect.
[0018] Optionally, a magnetic ring is fitted on the outer wall of the rotating shaft, and a magnetic block that is magnetically repelled by the magnetic ring is embedded in the clamping arm.
[0019] By adopting the above technical solution, the magnetic ring and the magnetic block repel each other, causing the sliding cylinder to move away from the clamping arm, and the clamping arm automatically disengages from contact with the outer wall of the rotating shaft.
[0020] In summary, this application includes at least one of the following beneficial technical effects:
[0021] 1. The worker places the fixed plate base in a suitable position. When the deformation force of the correction spring acts on the plate base, the correction wheel presses against the side of the conveyor belt in a flexible manner, which reduces the possibility of excessive friction during the conveyor belt feeding, causing the coating to peel off.
[0022] 2. Under the action of the distance control component, the two guide rods move closer to each other or further apart, which is applicable to the correction function in the feeding process of belts of different widths, thus improving the applicability;
[0023] 3. The worker slides two sliding cylinders in opposite directions, causing them to move to the outside of their corresponding clamping arms. Each clamping arm rotates and engages with the outer wall of its corresponding rotating shaft. Then, the fastening bolts are tightened to press the shaft against its outer wall, thus linking the two rotating shafts together. This structure enables linkage between the two rotating shafts, allowing the guide wheels on both sides of the conveyor belt to be adjusted synchronously or individually, improving the applicability to the conveyor belt and the correction effect. Attached Figure Description
[0024] Figure 1 This is a structural schematic diagram of an embodiment of this application.
[0025] Figure 2 This is a schematic diagram showing the positional relationship between the top plate, the abutment block, and the mounting plate in an embodiment of this application.
[0026] Figure 3 This is a cross-sectional view showing the positional relationship between the support frame, the take-up and take-down wheels, and the sliding abutment in an embodiment of this application.
[0027] Explanation of reference numerals in the attached drawings: 1. Rolling mill body; 2. Feed bracket; 201. Guide groove; 3. Fixed plate base; 4. Mounting plate base; 5. Correcting wheel; 6. Correcting spring; 7. Hook arm; 8. Guide rod; 9. Limiting abutment; 10. Abutment block; 11. Top plate; 12. Bearing frame; 13. Rotating shaft; 14. Take-up and release wheel; 15. Pull line; 16. Linkage sleeve; 17. Shaft; 18. Clamping arm; 19. Elastic pad; 20. Sliding abutment cylinder; 21. Magnetic ring; 22. Magnetic block; 23. Adjusting spring; 24. Fastening bolt. Detailed Implementation
[0028] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.
[0029] This application discloses a belt-running and correction device for electrode rolling.
[0030] Reference Figure 1 The belt feeding and correction device for electrode rolling includes a rolling mill body 1. A horizontal feed bracket 2 is bolted to the feed side of the rolling mill body 1, and the belt passes over the feed bracket 2 to achieve feeding.
[0031] Reference Figure 2 Unit correction components are arranged on both sides of the feed bracket 2 relative to the width of the conveyor belt. The unit correction components include a fixed plate base 3 and a mounting plate base 4 arranged on the side of the fixed plate base 3 facing the conveyor belt.
[0032] Reference Figure 2 The feed bracket 2 has a guide groove 201 parallel to the width direction of the conveyor belt, and the fixed plate seat 3 extends into the guide groove 201 and slides with it.
[0033] A guide rod 8 is rotatably mounted on the fixed plate base 3 and is inserted into the mounting plate base 4. A correction spring 6 is sleeved on the guide rod 8. A limiting abutment 9 is fixedly sleeved on the guide rod 8 at a position relative to the correction spring 6 between the fixed plate base 3 and the correction plate base 3.
[0034] At least one straightening wheel 5 is bolted to the side of the mounting plate 4 facing away from the fixed plate 3, and the straightening wheel 5 is pressed against the edge of the belt. An L-shaped hook arm 7 is welded onto the mounting plate 4, and the hook arm 7 is pressed against the side of the fixed plate 3 facing away from the belt.
[0035] Reference Figure 2 The unit correction assembly also includes a stop block 10 bolted to the feed bracket 2. The stop block 10 is located on the side of the fixed plate base 3 facing away from the mounting plate base 4, and the guide rod 8 slides through the stop block 10. A top piece 11 is fixedly sleeved on the guide rod 8 at a position relative to the stop block 10 and the fixed plate base 3. The top piece 11 and the stop block 10 are supported by the adjustment spring 23.
[0036] Reference Figure 2 and Figure 3The feeding bracket 2 is also equipped with a distance control assembly for controlling the distance between the two sets of straightening wheels 5. The distance control assembly includes a support frame 12 bolted to one side of the feeding bracket 2. Two vertical and coaxial rotating shafts 13 are rotatably mounted on the support frame 12.
[0037] Each rotating shaft 13 is fixedly fitted with a take-up and unwinding wheel 14, and each take-up and unwinding wheel 14 corresponds to a guide rod 8. A pull wire 15 attached to the corresponding guide rod 8 is wound on the take-up and unwinding roll. Multiple guide rollers (not shown in the figure) are bolted to the feed bracket 2, and both pull wires 15 pass over multiple guide rollers.
[0038] Reference Figure 2 and Figure 3 The worker manually rotates the shaft 13, which drives the take-up and undo wheel 14 to rotate. The take-up and undo wheel 14 pulls the wire 15 to take up and undo the winding. In conjunction with the adjustment spring 23, the guide rod 8 can push the fixed plate base 3 and the mounting plate base 4 to move relative to each other.
[0039] Reference Figure 2 and Figure 3 The distance control assembly also includes a linkage sleeve 16 fixedly mounted in the support frame 12 and coaxial with the two rotating shafts 13, and a shaft 17 coaxially rotating through the linkage sleeve 16, with the shaft 17 located between the two rotating shafts 13.
[0040] The end of the shaft 17 is circumferentially hinged with multiple clamping arms 18 for pressing against the outer wall of the rotating shaft 13. An elastic pad 19 is bonded to one side of the clamping arm 18 for clamping the outer wall of the rotating shaft 13. The elastic pad 19 can increase the friction between the rotating shaft 13 and the clamping arm 18 under pressure.
[0041] Two sliding abutments 20 are slidably fitted on the outer wall of the linkage sleeve 16, with one sliding abutment 20 corresponding to one rotating shaft 13. A fastening bolt 24 for pressing against the outer wall of the shaft 17 is threaded onto the linkage sleeve 16.
[0042] Reference Figure 2 and Figure 3 The worker slides two sliding cylinders 20 in opposite directions, causing the sliding cylinders 20 to move to the outside of the corresponding clamping arms 18. Each clamping arm 18 rotates and clamps against the outer wall of the corresponding rotating shaft 13. Then, the fastening bolts 24 are tightened to press against the outer wall of the shaft rod 17, thereby achieving linkage between the two rotating shafts 13.
[0043] The above structure enables linkage between the two rotating shafts 13, allowing the two unit correction components to be adjusted separately or synchronously. In the linked state, when the worker rotates either take-up or take-up wheel 14, the other take-up or take-up wheel 14 will also rotate accordingly.
[0044] Reference Figure 3A magnetic ring 21 is fixedly sleeved on the outer wall of the rotating shaft 13, and a magnetic block 22 that is magnetically repulsive to the magnetic ring 21 is embedded on the clamping arm 18. Thus, when the sliding cylinder 20 is removed from the range of the clamping arm 18, the magnetic repulsive force enables the clamping arm 18 to automatically detach from the rotating shaft 13, thereby achieving rapid separation.
[0045] The implementation principle of the electrode rolling belt correction device in this application embodiment is as follows: the worker manually rotates the rotating shaft 13, the rotating shaft 13 drives the take-up and release wheel 14 to rotate, the take-up and release wheel 14 realizes the take-up and release of the pull wire 15, and in conjunction with the adjustment spring 23, the guide rod 8 can push the fixed plate seat 3 and the mounting plate seat 4 to move relative to the belt, so that the correction wheel 5 flexibly abuts against the belt.
[0046] The worker slides two sliding cylinders 20 in opposite directions, causing the sliding cylinders 20 to move to the outside of the corresponding clamping arms 18. Each clamping arm 18 rotates and clamps against the outer wall of the corresponding rotating shaft 13. Then, the fastening bolts 24 are tightened to press against the outer wall of the shaft rod 17, thereby achieving linkage between the two rotating shafts 13.
[0047] The above structure enables linkage between the two rotating shafts 13, allowing the two unit correction components to be adjusted separately or synchronously. In the linked state, when the worker rotates either take-up or take-up wheel 14, the other take-up or take-up wheel 14 will also rotate accordingly.
[0048] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A belt-running and correction device for electrode rolling, comprising a rolling mill body (1), characterized in that: The feed side of the rolling mill body (1) is provided with a horizontal feed bracket (2). The feed bracket (2) is provided with fixed plate seats (3) on both sides of the belt conveyor. The fixed plate seat (3) is provided with a mounting plate seat (4) on the side facing the belt conveyor. The mounting plate seat (4) is provided with a correction wheel (5) for abutting against the belt conveyor. The fixed plate seat (3) and the mounting plate seat (4) are supported by a correction spring (6). The mounting plate seat (4) is provided with an L-shaped hook arm (7) that abuts against the side of the fixed plate seat (3) facing away from the belt conveyor.
2. The belt-running and correction device for electrode rolling according to claim 1, characterized in that: The fixed plate base (3) is rotatably provided with a guide rod (8) that is inserted and fitted on the mounting plate base (4). The correction spring (6) is sleeved on the guide rod (8). A limiting abutment (9) that is fixedly sleeved on the guide rod (8) is arranged between the correction spring (6) and the fixed plate base (3).
3. The belt-running and correction device for electrode rolling according to claim 1, characterized in that: The feed bracket (2) has a guide groove (201) parallel to the width direction of the conveyor belt, and the fixed plate seat (3) extends into the guide groove (201) and slides in cooperation with it.
4. The belt-running and correction device for electrode rolling according to claim 2, characterized in that: The feeding bracket (2) is provided with abutment blocks (10) on opposite sides of the two fixed plate seats (3). The guide rod (8) slides through the abutment blocks (10). A top plate (11) is arranged on the guide rod (8) at a position between the abutment blocks (10) and the fixed plate seats (3). An adjustment spring (23) supports the top plate (11) and the abutment blocks (10). The feeding bracket (2) is also provided with a distance control component for controlling the distance between the two correction wheels (5).
5. The belt-running and correction device for electrode rolling according to claim 4, characterized in that: The distance control assembly includes a support frame (12) arranged on one side of the feed tray (2). Two coaxially arranged rotating shafts (13) are rotatably mounted on the support frame (12). Each rotating shaft (13) is fixedly fitted with a take-up and release wheel (14). Each take-up and release wheel (14) corresponds to a guide rod (8). A pull line (15) attached to the corresponding guide rod (8) is wound on the take-up and release wheel (14).
6. The belt-running and correction device for electrode rolling according to claim 5, characterized in that: The distance control assembly also includes a linkage sleeve (16) mounted inside the support frame (12) and coaxial with the two rotating shafts (13), and a shaft (17) coaxially rotating through the linkage sleeve (16). The end of the shaft (17) is circumferentially hinged with multiple clamping arms (18) for abutting against the outer wall of the rotating shaft (13). An elastic pad (19) is arranged on one side of the clamping arm (18) for clamping the outer wall of the rotating shaft (13). Two sliding abutments (20) are slidably mounted on the linkage sleeve (16). One sliding abutment (20) corresponds to one rotating shaft (13). When the sliding abutment (20) is slidably mounted outside the corresponding clamping arms (18), the clamping arms (18) clamp the outer wall of the rotating shaft (13). A fastening bolt (24) for abutting against the outer wall of the shaft (17) is threaded on the linkage sleeve (16).
7. The belt-running and correction device for electrode rolling according to claim 6, characterized in that: A magnetic ring (21) is fitted on the outer wall of the rotating shaft (13), and a magnetic block (22) that is magnetically repulsive to the magnetic ring (21) is embedded on the clamping arm (18).