Lithium battery pole piece processing rolling device

Abstract

The utility model discloses a lithium battery pole piece processing and rolling device, and belongs to the technical field of lithium battery pole piece rolling. The pressing device comprises a first pressing roller assembly and a second pressing roller assembly, supporting plates are arranged at the two ends of the first pressing roller assembly and the two ends of the second pressing roller assembly, bottom plates are installed at the bottom ends of the supporting plates, moving grooves are formed in the supporting plates, and moving plates are in sliding fit with the interiors of the moving grooves. The first cleaning assembly and the second cleaning assembly are arranged between the supporting plate and the movable plate, cylinders of the first cleaning assembly and the second cleaning assembly are connected to compression roller bodies of the first compression roller assembly and the second compression roller assembly in a sleeving mode, and cleaning cloth on the cylinders is used in cooperation with a second motor, a lead screw and a threaded sleeve. The roller body can move back and forth on the surface of the roller body, friction cleaning is conducted on a thin oil layer on the surface of the roller body, the cleanliness degree of the surface of the roller body is guaranteed, and therefore the rolling device can conveniently machine and use the lithium battery pole piece.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery pole piece rolling, in particular to a lithium battery pole piece processing rolling device. Background Art

[0002] The roller pressing device is a device that uses the rotation and pressure of a roller to process and handle objects. Pole sheet rolling is an important link in the production process of lithium-ion batteries. Rolling is a very necessary process. After the pole sheet is coated and dried, the peeling strength between the active material and the current collector foil is very low. At this time, it needs to be rolled to enhance the bonding strength between the active material and the foil to prevent peeling during electrolyte immersion and battery use. The pressure roller can exert a large force on the pole sheet, thereby ensuring that the pole sheet can reach the required thickness and density after rolling, and ensuring that the pole sheet surface is smooth and flat without any defects. The roller pressure adjustment and rapid response function of the roller pressing device and the pressure adjustment between the two rollers of the roller press are necessary conditions for improving the compaction density of the active material in the battery pole sheet. Due to the influence of factors such as coating intervals and single- and double-sided staggering, the pressure adjustment between the two rollers must respond quickly.

[0003] The existing roller pressing device for lithium battery pole pieces needs to apply a thin layer of oil on one side of the surface of the two rollers to prevent the rollers from rusting when the rollers are not in operation. The thin oil layer on the surface of the rollers needs to be cleaned manually before the roller machine works. Manual cleaning is prone to cause a thin layer of oil to remain on the surface of the rollers due to negligence of the staff. These thin layers of oil are extremely easy to adhere to the lithium battery pole pieces during the subsequent rolling process, affecting the conductivity of the lithium battery pole pieces, thereby reducing the quality of the lithium battery pole pieces. Utility Model Content

[0004] The purpose of the utility model is to provide a lithium battery pole piece processing rolling device, the threaded sleeve can be moved on the screw rod, so that the cleaning cloth in the cylinder can move back and forth on the roller body of the first roller assembly and the second roller assembly, and the thin oil layer on the surface of the roller body is frictionally cleaned to ensure the cleanliness of the surface of the roller body, thereby facilitating the use of the rolling device for processing lithium battery pole pieces.

[0005] The utility model is realized through the following technical solutions:

[0006] The utility model discloses a lithium battery pole piece processing rolling device, comprising a first pressing roller assembly and a second pressing roller assembly, support plates are arranged at both ends of the first pressing roller assembly and the second pressing roller assembly, a bottom plate is installed at the bottom end of the support plate, a movable groove is provided on the support plate, the movable plate is slidably matched inside the movable groove, the movable plate is arranged at both ends of the first pressing roller assembly, a first cleaning assembly and a second cleaning assembly are respectively arranged on the movable plate and the support plate, the first cleaning assembly comprises a screw rod and a second motor, second bearings are installed at both ends of the screw rod, a second ring is installed on the outer ring of the second bearing, the second ring is installed on the movable plate, one end of the screw rod extends to the outside of the movable plate and is connected to the output shaft of the second motor, a thread on the screw rod is matched with a threaded sleeve, a cylinder is installed at the bottom end of the threaded sleeve, a cleaning cloth is pasted on the cylinder, and the cylinder and the cleaning cloth are sleeved on the first pressing roller assembly.

[0007] Furthermore, the first pressure roller assembly includes a pressure roller body and a first motor. The pressure roller body is arranged between the movable plates. One end of the pressure roller body is fitted on the output shaft of the first motor. The first motor is arranged on the bearing seat on the side wall of the movable plate.

[0008] Furthermore, the first pressing roller assembly and the second pressing roller assembly have the same structure, the pressing roller body of the second pressing roller assembly is arranged between the support plates, and the first motor of the second pressing roller assembly is arranged on the bearing seat of the side wall of the support plate.

[0009] Furthermore, a threaded barrel is provided on the support plate, the internal thread of the threaded barrel cooperates with the threaded rod, the bottom end of the threaded rod is installed with a first bearing, the outer ring of the first bearing is installed with a first ring, and the first ring is installed on the top surface of the movable plate by screws.

[0010] Furthermore, a turning handle is provided at the top end of the threaded rod.

[0011] Furthermore, the first cleaning assembly and the second cleaning assembly have the same structure, the second cleaning assembly is arranged between the support plates, the first cleaning assembly is parallel to the first pressure roller assembly, and the second cleaning assembly is parallel to the second pressure roller assembly.

[0012] The utility model has the following beneficial effects:

[0013] The utility model is provided with a first cleaning assembly and a second cleaning assembly between the supporting plate and the movable plate. The cylinders of the first cleaning assembly and the second cleaning assembly are sleeved on the roller bodies of the first pressing roller assembly and the second pressing roller assembly. The cleaning cloth on the cylinder can move back and forth on the surface of the pressing roller body through the cooperation of the second motor, the screw rod and the threaded sleeve, and frictionally clean the thin oil layer on the surface of the pressing roller body to ensure the cleanliness of the surface of the pressing roller body, thereby facilitating the use of the roller pressing device for processing lithium battery pole pieces.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the left side structure of the roller pressing device;

[0016] Figure 2 It is a schematic diagram of the right side structure of the roller pressing device;

[0017] Figure 3 Schematic diagram of the structure of the first pressing roller assembly and the first cleaning assembly;

[0018] Figure 4 for Figure 3 Schematic diagram of the structure of the enlarged area A in the middle;

[0019] Figure 5 Schematic diagram of the internal structure of the first pressing roller assembly and the first cleaning assembly;

[0020] Figure 6 for Figure 4 Schematic diagram of the enlarged structure of area B in the middle.

[0021] In the figure: 1. First pressure roller assembly; 101. Pressure roller body; 102. First motor; 2. Second pressure roller assembly; 3. Support plate; 301. Moving groove; 302. Moving plate; 303. Threaded rod; 304. Threaded cylinder; 305. First bearing; 306. First ring; 307. Turning handle; 4. Bottom plate; 5. First cleaning assembly; 501. Screw rod; 502. Second bearing; 503. Second ring; 504. Second motor; 505. Threaded sleeve; 506. Cylinder; 507. Cleaning cloth; 6. Second cleaning assembly. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-6 The utility model provides a technical solution: a lithium battery pole piece processing rolling device, including a first pressing roller assembly 1 and a second pressing roller assembly 2, support plates 3 are provided at both ends of the first pressing roller assembly 1 and the second pressing roller assembly 2, a bottom plate 4 is installed at the bottom end of the support plate 3, a movable groove 301 is provided on the support plate 3, and a movable plate 302 is slidably matched inside the movable groove 301. The movable plate 302 is provided at both ends of the first pressing roller assembly 1, and the movable plate 302 slides inside the movable groove 301, so that the first pressing roller assembly 1 can move up and down between the support plates 3.

[0024] The first pressing roller assembly 1 includes a pressing roller body 101 and a first motor 102. The first motor 102 adopts a brushless DC motor with model JC35W5. The pressing roller body 101 is arranged between the movable plates 302. One end of the pressing roller body 101 is engaged with the output shaft of the first motor 102. The first motor 102 is arranged on the bearing seat on the side wall of the movable plate 302. The first pressing roller assembly 1 has the same structure as the second pressing roller assembly 2. The pressing roller body 101 of the second pressing roller assembly 2 is arranged between the support plates 3. The first motor 102 of the second pressing roller assembly 2 is arranged on the bearing seat on the side wall of the support plate 3. The pressing roller bodies 101 of the first pressing roller assembly 1 and the second pressing roller assembly 2 are rotated relative to each other through the first motor 102, so that the lithium battery pole piece can be placed between the two pressing roller bodies 101. The lithium battery pole piece is processed by the extrusion and friction force of the pressing roller body 101.

[0025] A threaded barrel 304 is provided on the support plate 3, and the internal thread of the threaded barrel 304 cooperates with the threaded rod 303, a first bearing 305 is installed on the bottom end of the threaded rod 303, and a first ring 306 is installed on the outer ring of the first bearing 305, and the first ring 306 is installed on the top surface of the movable plate 302 by screws, and a turning handle 307 is provided on the top of the threaded rod 303. The installation of the threaded rod 303 inside the threaded barrel 304 of the support plate 3 ensures that the threaded rod 303 can be threadedly rotated inside the threaded barrel 304, thereby realizing the displacement operation of the movable plate 302 at one end of the threaded rod 303 inside the movable groove 301. A first cleaning component 5 and a second cleaning component 6 are respectively provided on the movable plate 302 and the support plate 3. The first cleaning component 5 moves as the movable plate 302 moves in the movable groove 301, and the second cleaning component 6 is fixed between the support plates 3.

[0026] The first cleaning assembly 5 includes a screw 501 and a second motor 504. The second motor 504 adopts a micro-reduction motor of model N20. Second bearings 502 are installed at both ends of the screw 501. The outer ring of the second bearing 502 is installed with a second ring 503. The second ring 503 is installed on the movable plate 302. One end of the screw 501 extends to the outside of the movable plate 302 and is connected to the output shaft of the second motor 504. The screw 501 is threaded with a threaded sleeve 505. The bottom end of the threaded sleeve 505 is installed with a cylinder 506. The cylinder A cleaning cloth 507 is pasted on 506, and the cylinder 506 and the cleaning cloth 507 are sleeved on the first pressure roller assembly 1. The first cleaning assembly 5 and the second cleaning assembly 6 have the same structure. The second cleaning assembly 6 is arranged between the support plates 3. The first cleaning assembly 5 is parallel to the first pressure roller assembly 1, and the second cleaning assembly 6 is parallel to the second pressure roller assembly 2. The cleaning cloths 507 of the first cleaning assembly 5 and the second cleaning assembly 6 perform oil layer cleaning operations on the pressure roller bodies 101 of the first pressure roller assembly 1 and the second pressure roller assembly 2 respectively.

[0027] When using the rolling device to process lithium battery pole pieces, the rolling device is placed at the position required by the user through the bottom plate 4, and is selected according to the thickness of the lithium battery pole piece to be processed. The threaded rod 303 inside the threaded cylinder 304 on the support plate 3 is rotated by holding the turning handle 307. When the threaded rod 303 rotates, the movable plate 302 installed at the bottom end of the threaded rod 303 through the first bearing 305 and the first ring 306 can be displaced inside the movable groove 301, thereby driving the first pressing roller assembly 1 and the first cleaning assembly 5 to move between the support plate 3, ensuring that the distance between the first pressing roller assembly 1 and the second pressing roller assembly 2 can be suitable for the processing and rolling operation of lithium battery pole pieces, ensuring the use of the rolling device, and making the rolling device suitable for the processing of lithium battery pole pieces of various thicknesses. Work, start the first motor 102 of the first pressing roller assembly 1 and the second pressing roller assembly 2, the pressing roller body 101 starts to rotate, and the lithium battery pole piece is processed. When the roller press is in the non-working state, the cleaning cloth 507 is pasted and fixed on the cylinder 506, and the second motor 504 of the first cleaning assembly 5 and the second cleaning assembly 6 is started to rotate the screw rod 501. When the screw rod 501 rotates, the threaded sleeve 505 can move on the screw rod 501, so that the cleaning cloth 507 in the cylinder 506 on the threaded sleeve 505 can move back and forth on the pressing roller body 101 of the first pressing roller assembly 1 and the second pressing roller assembly 2, and the thin oil layer on the surface of the pressing roller body 101 is frictionally cleaned, and the surface of the pressing roller body 101 is cleaned to ensure the use of the roller pressing device for processing lithium battery pole pieces.

[0028] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A lithium battery pole piece processing roller pressing device, comprising a first pressing roller assembly (1) and a second pressing roller assembly (2), characterized in that: Support plates (3) are provided at both ends of the first pressing roller assembly (1) and the second pressing roller assembly (2); a bottom plate (4) is installed at the bottom end of the support plate (3); a movable groove (301) is provided on the support plate (3); a movable plate (302) is slidably fitted inside the movable groove (301); the movable plate (302) is provided at both ends of the first pressing roller assembly (1); a first cleaning assembly (5) and a second cleaning assembly (6) are provided on the movable plate (302) and the support plate (3), respectively; The first cleaning assembly (5) comprises a screw rod (501) and a second motor (504), second bearings (502) are installed at both ends of the screw rod (501), a second ring (503) is installed on the outer ring of the second bearing (502), and the second ring (503) is installed on the movable plate (302). One end of the screw rod (501) extends to the outside of the movable plate (302) and is connected to the output shaft of the second motor (504). The screw rod (501) is threaded with a threaded sleeve (505), and a cylinder (506) is installed at the bottom end of the threaded sleeve (505). A cleaning cloth (507) is attached to the cylinder (506), and the cylinder (506) and the cleaning cloth (507) are sleeved on the first pressure roller assembly (1).

2. A lithium battery pole piece processing rolling device according to claim 1, characterized in that: The first pressure roller assembly (1) comprises a pressure roller body (101) and a first motor (102); the pressure roller body (101) is arranged between the movable plates (302); one end of the pressure roller body (101) is engaged with the output shaft of the first motor (102); and the first motor (102) is arranged on a bearing seat on the side wall of the movable plate (302).

3. A lithium battery pole piece processing rolling device according to claim 2, characterized in that: The first pressing roller assembly (1) and the second pressing roller assembly (2) have the same structure; the pressing roller body (101) of the second pressing roller assembly (2) is arranged between the support plates (3); and the first motor (102) of the second pressing roller assembly (2) is arranged on a bearing seat on the side wall of the support plate (3).

4. A lithium battery pole piece processing rolling device according to claim 3, characterized in that: A threaded barrel (304) is provided on the support plate (3), the internal thread of the threaded barrel (304) is matched with the threaded rod (303), a first bearing (305) is installed at the bottom end of the threaded rod (303), a first ring (306) is installed on the outer ring of the first bearing (305), and the first ring (306) is installed on the top surface of the movable plate (302) by screws.

5. A lithium battery pole piece processing rolling device according to claim 4, characterized in that: A turning handle (307) is provided at the top end of the threaded rod (303).

6. The lithium battery pole piece processing rolling device according to claim 1, characterized in that: The first cleaning assembly (5) and the second cleaning assembly (6) have the same structure. The second cleaning assembly (6) is arranged between the support plates (3). The first cleaning assembly (5) is parallel to the first pressure roller assembly (1), and the second cleaning assembly (6) is parallel to the second pressure roller assembly (2).

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