Sodium-ion battery diaphragm slitting device with dust prevention and cleaning functions

By designing a sodium ion battery separator slitting device including equipment bins and auxiliary bins, using components such as motors, reciprocating screws and vacuuming plates, the problem of existing devices being unable to tighten and vacuum, achieving stable winding and efficient cleaning of the film, and improving product quality.

CN222945644UActive Publication Date: 2025-06-06HEBI ANT NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202421995729.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-17
Publication Date
2025-06-06
Estimated Expiration
2034-08-17

AI Technical Summary

Technical Problem

The existing sodium ion battery separator slitting device cannot tighten the sodium ion battery film, and cannot effectively absorb the dust on the film, affecting the factory quality.

Method used

A sodium ion battery diaphragm slitting device including a device compartment and an auxiliary compartment is designed, using components such as motor, gearbox, rotary shaft, pulley, transmission belt, reciprocating screw, piston plate, one-way valve, air pipe and vacuum cleaner plate. The movement of the reciprocating screw and piston plate generates negative pressure, absorbs dust on the membrane, and discharges dust through the filter.

Benefits of technology

This device can not only effectively prevent the sodium ion battery film from wrinkling during the winding process, but also absorb the dust on the film during the cutting process to improve the quality of the factory production.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222945644U_ABST
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Abstract

The utility model relates to the technical field of battery diaphragm slitting, and discloses a sodium ion battery diaphragm slitting device with dustproof and cleaning functions, which comprises an equipment bin and an auxiliary bin, the lower end surface of the equipment bin is fixedly connected with a base, and the left wall surface in the equipment bin is fixedly connected with a motor; a reduction gearbox is fixedly connected to the right wall face in the equipment bin, and the shaft end of the motor is fixedly connected with the input end of the reduction gearbox. The output end of the reduction gearbox is fixedly connected with a rotating shaft, and the rotating shaft penetrates through the right end face of the equipment bin. The shaft end of the motor is sleeved with a belt wheel, and the belt wheel is sleeved with a transmission belt. A reciprocating lead screw is connected to the upper end of the inner wall face of the equipment bin through a bearing, and the left end of the reciprocating lead screw is sleeved with the belt wheel. The device not only can effectively prevent the metal sodium ion film from wrinkling during winding, but also can effectively absorb floating and sinking substances attached to the metal sodium ion film in the winding and cutting process, so that the quality of products produced in factories is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery diaphragm cutting, in particular to a sodium ion battery diaphragm cutting device with dustproof and cleaning functions. Background Art

[0002] In the structure of sodium-ion batteries, the diaphragm is one of the key inner components. After the sodium-ion battery diaphragm is manufactured, it needs to be cut according to the different specifications of lithium batteries and customer needs. However, the existing sodium-ion battery diaphragm cutting device still has certain defects, such as:

[0003] "A high-efficiency battery diaphragm slitting machine" with application number CN219009483U includes: a support block, a base plate, a fixed plate, a motor, a placement shaft and a support plate, wherein support legs are fixed at the four corners of the lower end face of the fixed plate, and the fixed plate is fixed to the middle of the upper end face of the base plate through the support legs, and connecting plates are fixed on both sides of both ends of the base plate, and the diameters of the two connecting plates on each side are connected by a connecting shaft, and a limiting roller is movably installed in the middle of the outer side of the connecting shaft, and a slitting knife is equidistantly fixed in the middle of the upper end face of the connecting plate. There are two support plates in total, and the two support plates are respectively fixed on both sides of one end of the upper end face of the base plate; during the winding process, the device cannot tighten the sodium ion battery diaphragm, and cannot absorb the floating dust on the sodium ion battery diaphragm, which affects the factory quality and cannot meet the use requirements. In view of this, a sodium ion battery diaphragm slitting device with dustproof and cleaning function is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a sodium ion battery diaphragm cutting device with dustproof and cleaning functions to solve the problem that the existing sodium ion battery diaphragm cutting device mentioned in the above background technology cannot tighten the sodium ion battery film and absorb the floating dust on the battery film.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including an equipment bin and an auxiliary bin, wherein the lower end surface of the equipment bin is fixedly connected to a base, and the left wall surface of the equipment bin is fixedly connected to a motor; the right wall surface of the equipment bin is fixedly connected to a reduction box, and the motor shaft end is fixedly connected to the input end of the reduction box; the output end of the reduction box is fixedly connected to a rotating shaft, and the rotating shaft passes through the right end surface of the equipment bin; the motor shaft end is sleeved with a pulley, and the pulley is sleeved with a transmission belt; the upper end bearing of the inner wall surface of the equipment bin is connected to a reciprocating screw, and the reciprocating screw The left end is mounted on the pulley; the reciprocating screw and the motor shaft end are connected through the pulley and the transmission belt; a shell is fixedly connected to the upper end of the right wall surface in the equipment bin, and the reciprocating screw passes through the shell; a piston plate is mounted on the reciprocating screw, and the piston plate is located in the shell; the right wall surface of the equipment bin is fixedly connected to the left end surface of the auxiliary bin; a one-way valve is provided on the right end surface of the shell, and the one-way valve passes through the right end surface of the equipment bin; the one-way valve is arranged on the right end of the upper end surface of the shell, and the one-way valve passes through the upper end surface of the equipment bin.

[0006] The above technical solution is adopted to ensure the stability of the overall structure.

[0007] As a preferred technical solution of the utility model, the right end of the one-way valve located on the right end surface of the shell is fixedly connected to an air pipe, and the air pipe passes through the lower end surface of the auxiliary bin.

[0008] The adoption of the technical solution facilitates the dust collecting plate to generate negative pressure.

[0009] As a preferred technical solution of the utility model, a No. 1 positioning column is fixedly connected to the lower end surface of the auxiliary bin, and the No. 1 positioning column is symmetrically arranged with respect to the auxiliary bin; the tail end of the No. 1 positioning column is rotatably connected to the roller through a roller shaft, and a dust suction plate is fixedly connected to the inner wall surface of the No. 1 positioning column; the dust suction plate is located above the roller, and the upper end surface of the dust suction plate is fixedly connected to the tail end of the air pipe; brushes are fixedly connected on both sides of the air suction port of the dust suction plate, and the dust suction plate is close to the roller.

[0010] The adoption of the technical solution makes it easy to scrub and absorb the dust attached to the sodium ion film.

[0011] As an optimal technical solution of the utility model, a thread groove is set at the right end of the rotating shaft, and the left end of the rotating shaft is fixedly connected to a first limit plate; the right end of the rotating shaft is threadedly connected to a second limit plate through the thread groove, and the right end of the second limit plate is threadedly connected to a nut.

[0012] The adoption of the technical solution makes it easier to fix the metal sodium ion film roll.

[0013] As an optimal technical solution of the utility model, a No. 2 positioning column is fixedly connected to the upper end surface of the base, and the No. 2 positioning column is arranged corresponding to the No. 1 positioning column, and the No. 2 positioning column is rotatably connected to the roller through a roller; the No. 2 positioning column is located at the rear end of the No. 1 positioning column.

[0014] The adoption of the technical solution facilitates tightening the metal sodium ion film.

[0015] As a preferred technical solution of the utility model, a cutting table is fixedly connected to the upper end surface of the base, and the cutting table is located at the front end of the second positioning column; a filter screen is clamped on the upper end surface of the equipment compartment.

[0016] The above technical solution is adopted to facilitate cutting of the metal sodium ion film.

[0017] As a preferred technical solution of the utility model, a cylinder is arranged directly above the cutting table, and the upper end surface of the cylinder is fixedly connected to the lower end surface of the auxiliary bin; the tail end of the cylinder is fixedly connected to the cutting knife.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the device can not only effectively prevent the occurrence of wrinkles when the metal sodium ion film is rolled up, but also effectively absorb the floating and sinking attached to the metal sodium ion film during the rolling and cutting process, thereby improving the quality of factory products;

[0019] 1. When in use, put the reel on the rotating shaft, then thread the No. 2 limit plate to the rotating shaft and tighten it with a nut; then tighten the sodium ion battery diaphragm through the No. 1 positioning column and the No. 2 positioning column and the rotating fixed roller;

[0020] 2. Then start the motor, which drives the shaft to rotate through the reduction gear box, and the shaft drives the reel to rotate, so as to reel up the sodium-ion battery diaphragm. The motor drives the reciprocating screw to rotate through the pulley and the transmission belt, and the reciprocating screw drives the piston plate to move back and forth in the shell; when the piston plate moves to the left end of the shell, the one-way valve at the right end of the shell is pressed open, generating negative pressure, and then the dust on the sodium-ion metal diaphragm is absorbed through the air pipe and the dust absorption plate; when the piston plate moves to the right end in the shell, the one-way valve located at the upper right end of the shell is pressed open, and the absorbed dust is discharged through the filter;

[0021] 3. When the metal sodium ion film is rolled up to the required length, the cylinder drives the tool to cut the metal sodium ion film. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the position relationship between the first positioning column and the second positioning column of the utility model;

[0025] Figure 4 It is a side structural schematic diagram of the utility model.

[0026] In the figure: 1. Equipment compartment; 2. Base; 3. Motor; 4. Pulley; 5. Drive belt; 6. Reducer; 7. Reciprocating screw; 8. Filter; 9. Check valve; 10. Piston plate; 11. Auxiliary compartment; 12. Air pipe; 13. Limit plate No. 1; 14. Positioning column No. 1; 15. Dust suction plate; 16. Rotating shaft; 17. Positioning column No. 2; 18. Cylinder; 19. Cutting table; 20. Limit plate No. 2; 21. Shell. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4 , the technical solution of the utility model: a sodium ion battery diaphragm cutting device with dustproof and cleaning function, including an equipment bin 1 and an auxiliary bin 11, the lower end surface of the equipment bin 1 is fixedly connected with a base 2, and the left wall surface of the equipment bin 1 is fixedly connected with a motor 3; the right wall surface of the equipment bin 1 is fixedly connected with a reduction box 6, and the shaft end of the motor 3 is fixedly connected to the input end of the reduction box 6; the output end of the reduction box 6 is fixedly connected with a rotating shaft 16, and the rotating shaft 16 passes through the right end surface of the equipment bin 1; the shaft end of the motor 3 is covered with a pulley 4, and the pulley 4 is covered with a transmission belt 5; the upper end bearing of the inner wall surface of the equipment bin 1 is connected with a reciprocating screw rod 7, and The left end of the reciprocating screw rod 7 is fitted with a pulley 4; the reciprocating screw rod 7 and the shaft end of the motor 3 are connected through the pulley 4 and the transmission belt 5; the upper end of the right wall surface in the equipment warehouse 1 is fixedly connected with a shell 21, and the reciprocating screw rod 7 passes through the shell 21; the reciprocating screw rod 7 is fitted with a piston plate 10, and the piston plate 10 is located in the shell 21; the right wall surface of the equipment warehouse 1 is fixedly connected to the left end surface of the auxiliary warehouse 11; a one-way valve 9 is provided on the right end surface of the shell 21, and the one-way valve 9 passes through the right end surface of the equipment warehouse 1; a one-way valve 9 is arranged at the right end of the upper end surface of the shell 21, and the one-way valve 9 passes through the upper end surface of the equipment warehouse 1, so as to ensure the stability of the overall structure;

[0029] The right end of the one-way valve 9 located on the right end surface of the housing 21 is fixedly connected with an air pipe 12, and the air pipe 12 passes through the lower end surface of the auxiliary bin 11, so that the dust collecting plate 15 can generate negative pressure;

[0030] A No. 1 positioning column 14 is fixedly connected to the lower end surface of the auxiliary bin 11, and the No. 1 positioning column 14 is symmetrically arranged with respect to the auxiliary bin 11; the tail end of the No. 1 positioning column 14 is rotatably connected to the roller through a roller shaft, and a dust collecting plate 15 is fixedly connected to the inner wall surface of the No. 1 positioning column 14; the dust collecting plate 15 is located above the roller, and the upper end surface of the dust collecting plate 15 is fixedly connected to the tail end of the air pipe 12; brushes are fixedly connected to both sides of the air suction port of the dust collecting plate 15, and the dust collecting plate 15 is close to the roller, so as to facilitate brushing and absorbing dust attached to the sodium ion film;

[0031] A thread groove is provided at the right end of the rotating shaft 16, and a first limiting plate 13 is fixedly connected to the left end of the rotating shaft 16; a second limiting plate 20 is threadedly connected to the right end of the rotating shaft 16 through the thread groove, and a nut is threadedly connected to the right end of the second limiting plate 20 to facilitate fixing the metal sodium ion film reel;

[0032] The upper end surface of the base 2 is fixedly connected with a second positioning column 17, and the second positioning column 17 is arranged corresponding to the first positioning column 14, and the second positioning column 17 is rotatably connected to the roller through a roller; the second positioning column 17 is located at the rear end of the first positioning column 14, so as to tighten the metal sodium ion film;

[0033] The upper end surface of the base 2 is fixedly connected with a cutting table 19, and the cutting table 19 is located at the front end of the second positioning column 17; the upper end surface of the equipment compartment 1 is clamped with a filter screen 8;

[0034] A cylinder 18 is arranged directly above the cutting table 19, and the upper end surface of the cylinder 18 is fixedly connected to the lower end surface of the auxiliary bin 11; a cutting knife is fixedly connected to the tail end of the cylinder 18 to facilitate cutting of the metal sodium ion film;

[0035] Working principle: When in use, the reel is mounted on the rotating shaft 16, and then the second limit plate 20 is threadedly connected to the rotating shaft 16 and then tightened with a nut; then the sodium ion battery diaphragm is tightened by the first positioning column 14 and the second positioning column 17 and the rotating and fixed roller;

[0036] Then, the motor 3 is started, and the motor 3 drives the rotating shaft 16 to rotate through the reduction box 6, and the rotating shaft 16 drives the reel to rotate, so that the sodium ion battery diaphragm is wound up, and the motor 3 drives the reciprocating screw 7 to rotate through the pulley 4 and the transmission belt 5, and the reciprocating screw 7 drives the piston plate 10 to move back and forth in the shell 21; when the piston plate 10 moves toward the left end of the shell 21, the one-way valve 9 at the right end of the shell 21 is pressed to open, generating negative pressure, and then the dust on the sodium ion metal diaphragm is absorbed through the air pipe 12 and the dust absorption plate 15; when the piston plate 10 moves to the right end in the shell 21, the one-way valve 9 located at the upper right end of the shell 21 is pressed to open, and the absorbed dust is discharged through the filter 8;

[0037] When the metallic sodium ion film is rolled up to the required length, the cylinder 18 drives the cutter to cut the metallic sodium ion film. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sodium ion battery diaphragm cutting device with dust-proof and cleaning functions, comprising an equipment compartment (1) and an auxiliary compartment (11), characterized in that: The lower end surface of the equipment bin (1) is fixedly connected to a base (2), and the left inner wall surface of the equipment bin (1) is fixedly connected to a motor (3); the right inner wall surface of the equipment bin (1) is fixedly connected to a reduction box (6), and the shaft end of the motor (3) is fixedly connected to the input end of the reduction box (6); the output end of the reduction box (6) is fixedly connected to a rotating shaft (16), and the rotating shaft (16) passes through the right end surface of the equipment bin (1); the shaft end of the motor (3) is sleeved with a pulley (4), and the pulley (4) is sleeved with a transmission belt (5); the upper end bearing of the inner wall surface of the equipment bin (1) is connected to a reciprocating screw rod (7), and the left end of the reciprocating screw rod (7) is sleeved with the pulley (4); the reciprocating screw rod (7) and the motor (3) the shaft end is connected by transmission through the pulley (4) and the transmission belt (5); the upper end of the right wall surface of the equipment bin (1) is fixedly connected with a shell (21), and the reciprocating screw rod (7) passes through the shell (21); a piston plate (10) is mounted on the reciprocating screw rod (7), and the piston plate (10) is located in the shell (21); the right wall surface of the equipment bin (1) is fixedly connected with the left end surface of the auxiliary bin (11); a one-way valve (9) is provided on the right end surface of the shell (21), and the one-way valve (9) passes through the right end surface of the equipment bin (1); the one-way valve (9) is provided at the right end of the upper end surface of the shell (21), and the one-way valve (9) passes through the upper end surface of the equipment bin (1).

2. A sodium ion battery diaphragm cutting device with dust-proof and cleaning functions according to claim 1, characterized in that: The right end of the one-way valve (9) located on the right end surface of the shell (21) is fixedly connected to an air pipe (12), and the air pipe (12) passes through the lower end surface of the auxiliary chamber (11).

3. A sodium ion battery diaphragm cutting device with dust-proof and cleaning functions according to claim 2, characterized in that: A No. 1 positioning column (14) is fixedly connected to the lower end surface of the auxiliary bin (11), and the No. 1 positioning column (14) is symmetrically arranged with respect to the auxiliary bin (11); the tail end of the No. 1 positioning column (14) is rotatably connected to a roller via a roller shaft, and a dust collecting plate (15) is fixedly connected to the inner wall surface of the No. 1 positioning column (14); the dust collecting plate (15) is located above the roller, and the upper end surface of the dust collecting plate (15) is fixedly connected to the tail end of the air pipe (12); brushes are fixedly connected to both sides of the air suction port of the dust collecting plate (15), and the dust collecting plate (15) is close to the roller.

4. A sodium ion battery diaphragm cutting device with dust-proof and cleaning functions according to claim 3, characterized in that: A thread groove is arranged at the right end of the rotating shaft (16), and a first limiting plate (13) is fixedly connected to the left end of the rotating shaft (16); a second limiting plate (20) is threadedly connected to the right end of the rotating shaft (16) through the thread groove, and a nut is threadedly connected to the right end of the second limiting plate (20).

5. A sodium ion battery diaphragm cutting device with dust-proof and cleaning functions according to claim 4, characterized in that: A second positioning column (17) is fixedly connected to the upper end surface of the base (2), and the second positioning column (17) is arranged corresponding to the first positioning column (14), and the second positioning column (17) is rotatably connected to the roller via a roller; the second positioning column (17) is located at the rear end of the first positioning column (14).

6. A sodium ion battery diaphragm cutting device with dust-proof and cleaning functions according to claim 5, characterized in that: The upper end surface of the base (2) is fixedly connected with a cutting table (19), and the cutting table (19) is located at the front end of the second positioning column (17); the upper end surface of the equipment compartment (1) is clamped with a filter screen (8).

7. A sodium ion battery diaphragm cutting device with dust-proof and cleaning functions according to claim 6, characterized in that: A cylinder (18) is arranged directly above the cutting table (19), and the upper end surface of the cylinder (18) is fixedly connected to the lower end surface of the auxiliary bin (11); the rear end of the cylinder (18) is fixedly connected to the cutting knife.

Citation Information

Patent Citations

  • Efficient storage battery diaphragm splitting machine

    CN219009483U