Circulating demagnetizing and filtering device for functional slurry for lithium battery

Abstract

The utility model discloses a circulating demagnetizing and filtering device for functional slurry for lithium batteries, which belongs to the technical field of battery slurry and comprises a demagnetizing barrel, a primary screening plate movably connected to the inner wall of the demagnetizing barrel, a positioning barrel mounted at the bottom of an inner cavity of the demagnetizing barrel, a mounting cover mounted at the top of the demagnetizing barrel, and a positioning disc movably connected to the bottom of the mounting cover. The bottom of the positioning disc is connected with a demagnetizing assembly for demagnetizing the battery slurry, and a limiting ring of the demagnetizing assembly is rotationally connected to the top end of a positioning cylinder; the circulating box is installed at the bottom of the demagnetizing cylinder, a limiting frame is connected into the circulating box, a filter plate is movably inserted into the limiting frame, and a circulating pump for circularly conveying the slurry is arranged on one side of the circulating box; according to the device, the demagnetizing effect on the battery slurry can be improved, the demagnetizing efficiency is ensured, the battery slurry can be screened and filtered, the demagnetizing effect is improved, meanwhile, the slurry can be subjected to circulating demagnetizing treatment, and the demagnetizing comprehensiveness of the slurry is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery slurry, in particular to a circulating demagnetizing and filtering device for functional slurry of lithium batteries. Background Technique

[0002] Battery slurry is mainly composed of active substances, conductive agents, binders, solvents, etc. Its dispersed phase consists of particles with different particle sizes, morphologies, and densities, and the corresponding dispersion media are divided into oily solvent NMP and aqueous solvent deionized water. Therefore, like sediment, paint, and ceramic slurry, lithium battery slurry also belongs to a kind of suspension; and due to the composition of multiple substances in battery slurry, it inevitably contains a small amount of substances adsorbed by magnets, and these magnet-adsorbed substances affect the quality performance of lithium-ion batteries. In the production of battery slurry, in order to demagnetize its interior, corresponding demagnetizing devices are required.

[0003] However, when the existing demagnetizing devices are in use, due to the fluidity of the battery slurry, it is impossible to quickly demagnetize the battery slurry, which will reduce the demagnetizing efficiency. Moreover, when using the demagnetizing device, due to the lack of the function of screening the battery slurry, the comprehensiveness of demagnetization cannot be improved. Therefore, we need to propose a circulating demagnetizing and filtering device for functional slurry of lithium batteries. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a circulating demagnetizing and filtering device for functional slurry of lithium batteries, which can improve the demagnetizing effect on battery slurry, ensure the demagnetizing efficiency, and can screen and filter the battery slurry to improve the demagnetizing effect. At the same time, it can perform circulating demagnetizing treatment on the slurry to further improve the comprehensiveness of slurry demagnetization, so as to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides: a circulating demagnetizing and filtering device for functional slurry of lithium batteries, including a demagnetizing cylinder, the inner wall of the demagnetizing cylinder is movably connected with a primary screening plate, the bottom of the inner cavity of the demagnetizing cylinder is provided with a positioning cylinder, the top of the demagnetizing cylinder is provided with a mounting cover, the bottom of the mounting cover is movably connected with a positioning disk, the bottom of the positioning disk is connected with a demagnetizing component for demagnetizing the battery slurry, and the limiting ring of the demagnetizing component is rotatably connected to the top end of the positioning cylinder; a circulating tank installed at the bottom of the demagnetizing cylinder, the inside of the circulating tank is connected with a limiting frame, a filter plate is movably inserted into the inside of the limiting frame, and a circulating pump for circulating and conveying the slurry is arranged on one side of the circulating tank.

[0006] Preferably, the demagnetizing component includes: a connecting plate connected to the bottom of the positioning disk, and a demagnetizing plate connected to the surface of the connecting plate; wherein, the limiting ring is connected to the bottom of the positioning disk, and a stabilizing ring is connected to the surface of the connecting plate, and the stabilizing ring is rotatably connected to the surface of the positioning cylinder.

[0007] Preferably, a servo motor is installed on the top of the mounting cover, and the output end of the servo motor is connected to the top of the positioning disk.

[0008] Preferably, a positioning ring is connected to the inner wall of the demagnetizing cylinder, a positioning rod is connected to the top of the positioning ring, and a feed pipe is installed on one side surface of the demagnetizing cylinder.

[0009] Preferably, the primary screening plate is movably clamped on the surface of the positioning rod, and a limiting sleeve is installed on the top of the primary screening plate.

[0010] Preferably, an assembly clamping groove is provided on one side of the circulation tank, a fixing plate is connected to the end of the filter plate, the fixing plate is movably clamped inside the assembly clamping groove, and locking rods are installed at both ends of the fixing plate.

[0011] Preferably, the output end of the circulation pump is connected to a delivery pipe, and the other end of the delivery pipe communicates with the top of the demagnetizing cylinder.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] Through the cooperation of structures such as the demagnetizing cylinder, the circulation tank, the filter plate, the circulation pump, the positioning cylinder, and the demagnetizing component, the battery slurry is injected into the demagnetizing cylinder through the feed pipe. The slurry can be preliminarily filtered through the primary screening plate. By driving the positioning disk with the servo motor, the connecting plate connected with the demagnetizing plate can be driven to move. The cooperation with the stabilizing ring can improve the stability of the rotation of the demagnetizing plate, perform demagnetization treatment on the battery slurry inside the demagnetizing cylinder, and enter the circulation tank through the slurry outlet at the bottom of the positioning cylinder. The filter plate is used to perform filtration and demagnetization treatment on the slurry, and the circulation pump can circulate and transport the slurry inside the circulation tank to the demagnetizing cylinder to improve the demagnetization effect. At the same time, the slurry can be subjected to circulating demagnetization treatment to further improve the comprehensiveness of the slurry demagnetization. Description of the Drawings

[0014] Figure 1 is the overall structural schematic diagram of the present utility model;

[0015] Figure 2 is the structural schematic diagram of the circulation tank of the present utility model;

[0016] Figure 3 is the internal structural schematic diagram of the demagnetizing cylinder of the present utility model;

[0017] Figure 4 is the structural schematic diagram of the demagnetizing plate of the present utility model.

[0018] In the figure: 1. Demagnetization cylinder; 2. Installation cover; 3. Circulation tank; 4. Limit frame; 5. Assembly card slot; 6. Filter plate; 7. Fixed plate; 8. Locking rod; 9. Circulation pump; 10. Delivery pipe; 11. Positioning cylinder; 12. Positioning ring; 13. Positioning rod; 14. Primary screening plate; 15. Limit sleeve; 16. Servo motor; 17. Positioning disk; 18. Limit ring; 19. Connecting plate; 20. Stabilizing ring; 21. Demagnetization plate; 22. Feed pipe. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-4 , the present invention provides: a circulating demagnetization and filtering device for functional slurry of lithium batteries, including a demagnetization cylinder 1, the inner wall of the demagnetization cylinder 1 is movably connected with a primary screening plate 14, the bottom of the inner cavity of the demagnetization cylinder 1 is provided with a positioning cylinder 11, the top of the demagnetization cylinder 1 is provided with an installation cover 2, the bottom of the installation cover 2 is movably connected with a positioning disk 17, the bottom of the positioning disk 17 is connected with a demagnetization component for demagnetizing the battery slurry, and the limit ring 18 of the demagnetization component is rotatably connected to the top end of the positioning cylinder 11; a circulation tank 3 installed at the bottom of the demagnetization cylinder 1, the inside of the circulation tank 3 is connected with a limit frame 4, the inside of the limit frame 4 is movably inserted with a filter plate 6, and one side of the circulation tank 3 is provided with a circulation pump 9 for circulating and transporting the slurry.

[0021] It should be noted that through the cooperative setting of the structures of the demagnetization cylinder 1, the circulation tank 3, the filter plate 6, the circulation pump 9, the positioning cylinder 11, and the demagnetization component, the demagnetization effect on the battery slurry can be improved, the demagnetization efficiency can be ensured, and the battery slurry can be screened and filtered to improve the demagnetization effect. At the same time, the slurry can be subjected to circulating demagnetization treatment to further improve the comprehensiveness of slurry demagnetization.

[0022] Specifically, the demagnetization component includes: a connecting plate 19 connected to the bottom of the positioning disk 17, and a demagnetization plate 21 connected to the surface of the connecting plate 19; wherein, the limit ring 18 is connected to the bottom of the positioning disk 17, a stabilizing ring 20 is connected to the surface of the connecting plate 19, and the stabilizing ring 20 is rotatably connected to the surface of the positioning cylinder 11.

[0023] Furthermore, the positioning disk 17 is a structure for connecting the connecting plate 19, the connecting plate 19 is a structure for installing the demagnetizing plate 21, the limiting ring 18 can play a role in positioning the positioning disk 17, and the stabilizing ring 20 is a structure for assembling and limiting the connecting plate 19, which can further improve the stability of the structure.

[0024] A servo motor 16 is installed on the top of the installation cover 2, and the output end of the servo motor 16 is connected to the top of the positioning disk 17. A positioning ring 12 is connected to the inner wall of the demagnetizing cylinder 1, a positioning rod 13 is connected to the top of the positioning ring 12, and a feed pipe 22 is installed on one side surface of the demagnetizing cylinder 1. The primary screening plate 14 is movably clamped on the surface of the positioning rod 13, and a limiting sleeve 15 is installed on the top of the primary screening plate 14.

[0025] Among them, the servo motor 16 is a structure for driving the positioning disk 17, the positioning ring 12 is a structure for assembling and bearing the primary screening plate 14, the positioning rod 13 plays a role in positioning the primary screening plate 14, and the limiting sleeve 15 is a structure for cooperating with the servo motor 16 to connect with the positioning disk 17.

[0026] An assembly slot 5 is provided on one side of the circulation tank 3. The end of the filter plate 6 is connected with a fixing plate 7, the fixing plate 7 is movably clamped inside the assembly slot 5, and locking rods 8 are installed at both ends of the fixing plate 7. The output end of the circulation pump 9 is connected with a delivery pipe 10, and the other end of the delivery pipe 10 communicates with the top of the demagnetizing cylinder 1.

[0027] In addition, the assembly slot 5 is a structure for installing the filter plate 6 in cooperation with the limiting frame 4, the fixing plate 7 is a structure for installing the filter plate 6, the locking rod 8 is a structure for installing the fixing plate 7, which further improves the sealing performance of the fixing plate 7. The delivery pipe 10 is a structure for transporting the battery slurry inside the circulation tank 3 in cooperation with the circulation pump 9, which can further improve the effect of demagnetizing and filtering the slurry.

[0028] The battery slurry is injected into the demagnetizing cylinder 1 through the feed pipe 22. The slurry can be preliminarily filtered through the primary screening plate 14. By driving the positioning disk 17 through the servo motor 16, the connecting plate 19 connected with the demagnetizing plate 21 can be driven to move. Cooperating with the stabilizing ring 20 can improve the stability of the rotation of the demagnetizing plate 21, demagnetize the battery slurry inside the demagnetizing cylinder 1, and enter the circulation tank 3 through the slurry outlet at the bottom of the positioning cylinder 11. Cooperating with the filter plate 6 to filter and demagnetize the slurry, and through the circulation pump 9, the slurry inside the circulation tank 3 can be circulated and transported to the inside of the demagnetizing cylinder 1 to improve the demagnetizing effect. At the same time, the slurry can be demagnetized cyclically, further improving the comprehensiveness of slurry demagnetization.

[0029] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A cyclic demagnetization and filtration device for functional slurry used in lithium batteries, characterized in that, Including: A demagnetizing cylinder (1), an initial screening plate (14) is movably connected to the inner wall of the demagnetizing cylinder (1), a positioning cylinder (11) is installed at the bottom of the inner cavity of the demagnetizing cylinder (1), an installation cover (2) is installed at the top of the demagnetizing cylinder (1), a positioning disk (17) is movably connected to the bottom of the installation cover (2), a demagnetizing assembly for demagnetizing the battery slurry is connected to the bottom of the positioning disk (17), and a limiting ring (18) of the demagnetizing assembly is rotatably connected to the top end of the positioning cylinder (11); A circulation tank (3) installed at the bottom of the demagnetizing cylinder (1), a limiting frame (4) is connected inside the circulation tank (3), a filter plate (6) is movably inserted inside the limiting frame (4), and a circulation pump (9) for circulating and conveying the slurry is arranged on one side of the circulation tank (3).

2. The circulating demagnetizing filtration device for the functional slurry used in lithium batteries according to claim 1, wherein: The demagnetizing assembly includes: A connecting plate (19) connected to the bottom of the positioning disk (17), and A demagnetizing plate (21) connected to the surface of the connecting plate (19); Wherein, the limiting ring (18) is connected to the bottom of the positioning disk (17), a stabilizing ring (20) is connected to the surface of the connecting plate (19), and the stabilizing ring (20) is rotatably connected to the surface of the positioning cylinder (11).

3. The circulating demagnetization filtration device for the functional slurry used in lithium batteries according to claim 1, characterized in that: A servo motor (16) is installed at the top of the installation cover (2), and the output end of the servo motor (16) is connected to the top of the positioning disk (17).

4. The circulating demagnetization and filtration device for the functional slurry used in lithium batteries according to claim 1, wherein: A positioning ring (12) is connected to the inner wall of the demagnetizing cylinder (1), a positioning rod (13) is connected to the top of the positioning ring (12), and a feed pipe (22) is installed on one side surface of the demagnetizing cylinder (1).

5. The circulating demagnetizing and filtering device for the functional slurry used in lithium batteries according to claim 4, characterized in that: The initial screening plate (14) is movably clamped on the surface of the positioning rod (13), and a limiting sleeve (15) is installed at the top of the initial screening plate (14).

6. The circulating demagnetization filtration device for the functional slurry used in lithium batteries according to claim 1, wherein: An assembly clamping groove (5) is arranged on one side of the circulation tank (3), a fixing plate (7) is connected to the end of the filter plate (6), the fixing plate (7) is movably clamped inside the assembly clamping groove (5), and locking rods (8) are installed at both ends of the fixing plate (7).

7. The circulating demagnetization and filtration device for the functional slurry used in a lithium battery according to claim 1, wherein: The output end of the circulation pump (9) is connected to a conveying pipe (10), and the other end of the conveying pipe (10) communicates with the top of the demagnetizing cylinder (1).

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