An automatic deviation correcting device for battery pole piece coating

Abstract

The utility model discloses an automatic deviation rectifying device of battery pole piece coating, including two supports, the top outer wall of support is connected with position sensor, one side outer wall of support is connected with base, one side outer wall of base is connected with electric push rod, the output of electric push rod is connected with connecting block, the top outer wall of connecting block is connected with connecting frame, one side outer wall of two connecting frames is connected with same deviation rectifying roller, still include: cleaning mechanism: the cleaning mechanism includes same connecting plate of connecting in one side outer wall of two base. The utility model discloses automatic deviation rectifying device of battery pole piece coating has through the slurry of cleaning deviation rectifying roller surface residual, can prevent the local convex of residual in the roll surface formation, avoid the local pole piece tension change of residual, and then effectively reduce the pole piece wrinkle, and through the distance between two guide rollers is adjusted to reach the effect of adapting to different thickness pole piece.

Description

Technical Field

[0001] This utility model relates to the field of mechanical equipment technology, and in particular to an automatic correction device for battery electrode coating. Background Technology

[0002] In the production process of new energy batteries such as lithium-ion batteries, electrode coating is one of the key processes that determines battery performance. During the electrode coating process, sensors are usually used to detect electrode position deviations, and actuators are driven to adjust the electrode position in real time to ensure that the electrode is stably transported along the preset path, thereby ensuring coating accuracy and product consistency.

[0003] However, during long-term use, the surface of the correction roller of the traditional automatic correction device for battery electrode coating is prone to local protrusions due to the residue of slurry carried by the electrode. These residues gradually solidify as they accumulate during production. When the electrode passes through the roller surface with residual protrusions, the local tension will change abruptly, which will cause wrinkles to appear on the electrode. For example, on a lithium-ion battery positive electrode coating production line, when a local protrusion forms on the surface of the alignment roller due to slurry residue, the protrusion will exert additional pressure on the electrode when the electrode passes through this area. This causes the tension of the electrode at that point to increase instantaneously, resulting in tiny wrinkles behind the protrusion. The wrinkled area will further expand due to uneven heating in the subsequent drying process, ultimately causing the electrode section to be scrapped due to excessive coating thickness deviation. Utility Model Content

[0004] This utility model discloses an automatic correction device for battery electrode coating, which aims to solve the technical problem that in the long-term use of traditional automatic correction devices for battery electrode coating, the surface of the correction roller is prone to local protrusions due to the residue of slurry carried by the electrode. These residues gradually solidify as they accumulate during production. When the electrode passes through the roller surface with residual protrusions, the local tension will change abruptly, thus causing wrinkles on the electrode.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: An automatic alignment device for battery electrode coating includes two supports. A position sensor is connected to the top outer wall of each support. A base is connected to one outer wall of each support. An electric push rod is connected to one outer wall of each base. A connecting block is connected to the output end of the electric push rod. A connecting frame is connected to the top outer wall of the connecting block. A common alignment roller is connected to one outer wall of both connecting frames. The device also includes a cleaning mechanism: the cleaning mechanism includes a common connecting plate connected to one outer wall of both bases. A base plate is connected to the top outer wall of the connecting plate. The top of the base plate... A fixing plate is connected to the outer wall. A rubber plate is connected to the top outer wall of the fixing plate, and the rubber plate is located below the correction roller. Two symmetrically distributed fixing blocks are connected to the bottom outer wall of the fixing plate. Two symmetrically distributed handles are provided on one side outer wall of the base plate. A telescopic rod is connected to the outer wall of the handle near the base plate. A limit spring is sleeved on the outer wall of the telescopic rod. A locking block is connected to the outer wall of the handle away from the telescopic rod. The locking block is locked onto the outer wall of one side of the fixing block. Adjustment mechanism: The adjustment mechanism is located on one side outer wall of the two supports.

[0006] By adopting the above technical solution, the cleaning mechanism includes a connecting plate connected to the outer wall of one side of two bases. The connecting plate is used to fix a base plate connected to its top outer wall. The base plate is used to install a fixing plate connected to its top outer wall. The fixing plate is used to fix a rubber plate connected to its top outer wall. The rubber plate, by contacting the surface of the correction roller, uses its own elasticity to scrape off residual slurry on the roller surface while avoiding scratching the roller surface. At this time, two symmetrically distributed fixing blocks connected to the bottom outer wall of the fixing plate cooperate with the locking block connected to one side outer wall to form a snap-fit ​​structure, thereby fixing the fixing plate to the base plate. At this time, two handles set on one side outer wall of the base plate provide a gripping point for the operator, thereby facilitating the movement of the locking block connected to one side outer wall. At this time, a telescopic rod connected to one side outer wall of the handle provides a guiding function for the limiting spring sleeved on its outer wall. The limiting spring, through its own elastic deformation and restoring force, pushes the locking block to automatically engage with one side outer wall of the fixing block when the handle is released, thereby maintaining the locked state.

[0007] As a further embodiment of this utility model: the adjustment mechanism includes two guide rollers connected to the outer wall of one side of the two supports, the outer walls of the two guide rollers are connected to limit blocks, and the outer walls of the two limit blocks on the same side are penetrated by screws.

[0008] By adopting the above technical solution, the adjustment mechanism includes two guide rollers connected to the outer wall of one side of the two supports. The guide rollers are used to support the transmission of the electrode sheet and guide the electrode sheet to move along a preset path to avoid deviation during the transmission of the electrode sheet. At this time, limit blocks are connected to the outer walls of both sides of the guide rollers. The limit blocks are used to limit the lateral position of the electrode sheet on the guide rollers. At this time, a screw is passed through the outer wall of the two limit blocks on the same side of the outer wall. The screw is used to drive the two limit blocks connected to its outer wall to move, thereby adjusting the distance between the two guide rollers.

[0009] In summary, this application includes at least one of the following beneficial technical effects: 1. By cleaning the residual slurry on the surface of the alignment roller, it is possible to prevent the residue from forming local protrusions on the roller surface, avoiding local tension changes in the electrode sheets caused by the residue, and thus effectively reducing the wrinkling of the electrode sheets. An elastic rubber plate is attached to the surface of the alignment roller, so that the rubber plate can contact the surface of the alignment roller and use its own elasticity to scrape off the residual slurry on the roller surface without scratching the roller surface. At the same time, the fixing plate and the base plate are connected by a buckle structure composed of fixing blocks, clips, handles, telescopic rods and limit springs, which can achieve quick disassembly and secure locking, thereby facilitating the replacement of the fixing plate and ensuring the long-term stable operation of the cleaning mechanism.

[0010] 2. By adjusting the distance between the two guide rollers, it can accommodate electrode sheets of different thicknesses. By rotating the screw, the two limit blocks are moved, thereby adjusting the distance between the two guide rollers. The screw drives the limit blocks to change the spacing between the guide rollers, which can adapt to the transmission requirements of electrode sheets of different thicknesses.

[0011] Other features and advantages of this utility model will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of an automatic correction device for battery electrode coating proposed in this utility model.

[0013] Figure 2 This is a top view of the overall structure of an automatic correction device for battery electrode coating proposed in this utility model.

[0014] Figure 3 This is a schematic diagram of the correction roller structure of an automatic correction device for battery electrode coating proposed in this utility model.

[0015] Figure 4 This is a schematic diagram of the adjustment mechanism of an automatic correction device for battery electrode coating proposed in this utility model.

[0016] Figure 5 This is a schematic diagram of the fixed plate structure of an automatic correction device for battery electrode coating proposed in this utility model.

[0017] Figure 6 For the present utility model in Figure 5 A magnified structural diagram of point A in the middle.

[0018] In the attached diagram: 1. Bracket; 2. Position sensor; 3. Base; 4. Connecting block; 5. Electric push rod; 6. Connecting frame; 7. Guide rod; 8. Correcting roller; 9. Guide roller; 10. Connecting plate; 11. Base plate; 12. Fixing plate; 13. Limiting block; 14. Screw; 15. Rubber plate; 16. Fixing block; 17. Handle; 18. Locking block; 19. Telescopic rod; 20. Limiting spring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Reference Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 An automatic alignment device for battery electrode coating includes two supports 1. A position sensor 2 is connected to the top outer wall of each support 1. A base 3 is connected to one outer wall of each support 1. An electric push rod 5 is connected to one outer wall of each base 3. A connecting block 4 is connected to the output end of the electric push rod 5. A connecting frame 6 is connected to the top outer wall of the connecting block 4. A common alignment roller 8 is connected to one outer wall of each of the two connecting frames 6. The device also includes a cleaning mechanism: the cleaning mechanism includes a common connecting plate 10 connected to one outer wall of each of the two bases 3. A base plate 11 is connected to the top outer wall of the connecting plate 10. A bottom plate 11 is connected to the top outer wall of the base plate 11. There is a fixed plate 12, and a rubber plate 15 is connected to the top outer wall of the fixed plate 12. The rubber plate 15 is located below the straightening roller 8. Two symmetrically distributed fixed blocks 16 are connected to the bottom outer wall of the fixed plate 12. Two symmetrically distributed handles 17 are provided on one side outer wall of the base plate 11. A telescopic rod 19 is connected to the outer wall of the handle 17 near the base plate 11. A limit spring 20 is sleeved on the outer wall of the telescopic rod 19. A locking block 18 is connected to the outer wall of the handle 17 away from the telescopic rod 19. The locking block 18 is locked into the outer wall of one side of the fixed block 16. Adjustment mechanism: The adjustment mechanism is located on one side outer wall of the two supports 1.

[0021] Specifically, the cleaning mechanism includes a single connecting plate 10 connected to the outer wall of one side of both bases 3. The connecting plate 10 is used to fix a base plate 11 connected to its top outer wall. The base plate 11 is used to install a fixing plate 12 connected to its top outer wall. The fixing plate 12 is used to fix a rubber plate 15 connected to its top outer wall. The rubber plate 15 scrapes off residual slurry on the roller surface by contacting the surface of the straightening roller 8, while avoiding scratching the roller surface. At this time, two symmetrically distributed fixing blocks 16 connected to the bottom outer wall of the fixing plate 12 and its outer wall on one side are used to fix the cleaning mechanism. Block 18 cooperates to form a snap-fit ​​structure, thereby fixing the fixing plate 12 and the base plate 11. At this time, two handles 17 provided by the base plate 11 provide a gripping point for the operator, which facilitates the movement of the locking block 18 connected to the outer wall of the base plate 11. The telescopic rod 19 connected to the outer wall of the handle 17 provides a guiding function for the limiting spring 20 sleeved on the outer wall of the handle. The limiting spring 20, through its own elastic deformation and restoring force, pushes the locking block 18 to automatically engage with the outer wall of the fixing block 16 when the handle 17 is released, thereby maintaining the locked state.

[0022] The base plate 11 has two symmetrically distributed mounting cavities inside. The fixing block 16, the locking block 18, the telescopic rod 19 and the limiting spring 20 are all connected inside the same mounting cavity, which provides mounting space for the components inside.

[0023] Specifically, one outer wall of the telescopic rod 19 is connected to the inner wall of the base plate 11, and the telescopic rod 19 is fixed relative to the base plate 11, thereby providing stable support for the handle 17 and the locking block 18.

[0024] Reference Figure 1 , Figure 2 and Figure 4 In a preferred embodiment, the adjustment mechanism includes two guide rollers 9 connected to the outer wall of one side of the two supports 1. Limiting blocks 13 are connected to the outer walls of both sides of the guide rollers 9, and screws 14 pass through the outer walls of the two limiting blocks 13 on the same side of the outer wall.

[0025] Specifically, the adjustment mechanism includes two guide rollers 9 connected to the outer wall of one side of the two supports 1. The guide rollers 9 are used to support the transmission of the electrode sheet and guide the electrode sheet to move along a preset path to avoid deviation during the transmission of the electrode sheet. At this time, limit blocks 13 are connected to the outer walls of both sides of the guide rollers 9. The limit blocks 13 are used to limit the lateral position of the electrode sheet on the guide rollers 9. At this time, screws 14 are passed through the outer walls of the two limit blocks 13 on the same side of the outer wall. The screws 14 are used to drive the two limit blocks 13 connected to their outer walls to move, thereby adjusting the distance between the two guide rollers 9.

[0026] The bottom outer wall of the screw 14 and the inner wall of one side of the bracket 1 are connected by a bearing, which reduces the friction between the screw 14 and the bracket 1 when the screw rotates.

[0027] Specifically, the outer wall of the screw 14 is provided with a bidirectional threaded groove, and the screw 14 is threaded to the inner wall of the two limiting blocks 13. When the screw 14 with the bidirectional threaded groove rotates, the limiting blocks 13 on both sides can move synchronously in opposite directions to realize the limiting adjustment of the electrode sheets of different widths.

[0028] Reference Figure 1 and Figure 2 In a preferred embodiment, two symmetrically distributed guide rods 7 penetrate the interior of the connecting block 4. The two guide rods 7 are connected to the inner wall of the base 3, and the two bases 3 are parallel to each other.

[0029] Specifically, the guide rod 7 is used to guide the movement of the connecting block 4. At this time, two guide rods 7 are connected to the inner wall of the base 3, and the base 3 provides fixed support for the guide rods 7. At this time, the two bases 3 are parallel to each other, thereby ensuring that the guide rods 7 connected to the inner walls of the two bases 3 are in a parallel state, thus providing a reference for the linear movement of the connecting block 4 and ensuring the consistency of the movement.

[0030] Working principle: During use, when the alignment roller 8 continuously rotates to transport the electrode sheet, the surface of the roller will be covered with residual slurry carried by the electrode sheet. As the alignment roller 8 rotates, the rubber plate 15 located below it adheres to the surface of the alignment roller 8. At this time, the rubber plate 15 uses its own elasticity to adhere to the roller surface and scrape off the residual slurry. When the rubber plate 15 needs to be replaced after long-term use, the operator can hold the two handles 17 on one side of the outer wall of the base plate 11 and pull them. This will cause the handle 17 to drive the locking block 18 connected to one side of the outer wall to disengage from the outer wall of the fixing block 16 connected to the mounting cavity. At the same time, the telescopic rod 19 on the other side of the handle 17 retracts along the inner wall of the mounting cavity, and the limiting spring 20 on its outer wall is compressed. After the locking block 18 disengages from the outer wall of the fixing block 16, the fixing plate 12 and the rubber plate 15 can be removed for replacement. After replacement, the handle 17 is released, and the limiting spring 20 generates a restoring force through elastic deformation, pushing the telescopic rod 19 and the locking block 18 to disengage from the outer wall of the fixing block 16. Block 18 is reset, and the locking block 18 is re-engaged into the locking slot of the fixing block 16, realizing the stable locking of the fixing plate 12 and the base plate 11, ensuring the stable operation of the cleaning component in the future. Secondly, when the electrode enters the device, it will first pass between two guide rollers 9 installed on the outer wall of one side of the bracket 1. At this time, when it is necessary to coat electrode sheets of different widths, the operator can rotate the screw 14 located above the two symmetrically distributed brackets 1. At this time, the outer wall of the screw 14 is provided with a bidirectional threaded groove, and it is threadedly connected to two limiting blocks 13 located on the same side of the outer wall. Thus, when the screw 14 rotates, the two limiting blocks 13 located on the same side will move synchronously in opposite directions on the inner wall of the bracket 1, thereby expanding or shrinking the distance between the two limiting blocks 13 to adapt to the width of the new electrode sheet. At the same time, the bottom of the screw 14 is connected to the inner wall of the bracket 1 through a bearing. The bearing can reduce the frictional resistance when the screw 14 rotates, ensuring that the adjustment process is smooth and accurate.

[0031] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the protection scope of this utility model.

Claims

1. An automatic correction device for coating battery electrodes, comprising two supports (1), a position sensor (2) connected to the top outer wall of the support (1), a base (3) connected to one side outer wall of the support (1), an electric push rod (5) connected to one side outer wall of the base (3), a connecting block (4) connected to the output end of the electric push rod (5), a connecting frame (6) connected to the top outer wall of the connecting block (4), and a common correction roller (8) connected to one side outer wall of the two connecting frames (6), characterized in that, Also includes: Cleaning mechanism: The cleaning mechanism includes the same connecting plate (10) connected to the outer wall of one side of the two bases (3). The top outer wall of the connecting plate (10) is connected to a base plate (11). The top outer wall of the base plate (11) is connected to a fixing plate (12). The top outer wall of the fixing plate (12) is connected to a rubber plate (15). The rubber plate (15) is located below the correction roller (8). The bottom outer wall of the fixing plate (12) is connected to two symmetrically distributed fixing blocks (16). The outer wall of one side of the base plate (11) is provided with two symmetrically distributed handles (17). The outer wall of the handle (17) near the base plate (11) is connected to a telescopic rod (19). The outer wall of the telescopic rod (19) is sleeved with a limit spring (20). The outer wall of the handle (17) away from the telescopic rod (19) is connected to a locking block (18). The locking block (18) is locked to the outer wall of one side of the fixing block (16). Adjustment mechanism: The adjustment mechanism is located on one side of the outer wall of the two supports (1).

2. The automatic alignment device for battery electrode coating according to claim 1, characterized in that, The base plate (11) has two symmetrically distributed mounting cavities inside, and the fixing block (16), the locking block (18), the telescopic rod (19) and the limiting spring (20) are all connected inside the same mounting cavity.

3. The automatic alignment device for battery electrode coating according to claim 1, characterized in that, The outer wall of one side of the telescopic rod (19) is connected to the inner wall of the base plate (11).

4. The automatic alignment device for battery electrode coating according to claim 1, characterized in that, The adjustment mechanism includes two guide rollers (9) connected to the outer wall of one side of the two brackets (1), and limit blocks (13) are connected to the outer walls of both sides of the guide rollers (9). The outer walls of the two limit blocks (13) on the same side are penetrated by screws (14).

5. The automatic alignment device for battery electrode coating according to claim 4, characterized in that, The bottom outer wall of the screw (14) and the inner wall of one side of the bracket (1) are connected by a bearing.

6. The automatic alignment device for battery electrode coating according to claim 4, characterized in that, The outer wall of the screw (14) is provided with a bidirectional threaded groove, and the screw (14) is threadedly connected to the inner wall of the two limiting blocks (13).

7. An automatic alignment device for battery electrode coating according to claim 1, characterized in that, The connecting block (4) has two symmetrically distributed guide rods (7) running through its interior. The two guide rods (7) are connected to the inner wall of the base (3), and the two bases (3) are parallel to each other.

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