Slurry bubble cleaning device

Abstract

The utility model belongs to the technical field of slurry production, and particularly relates to a slurry bubble cleaning device which comprises a stirring tank body, the bottom of the stirring tank body is fixedly connected with a plurality of supporting legs, and the supporting legs are regularly arranged at the bottom of the stirring tank body in a circumferential array; a sealing cover plate covers the top of the stirring tank body; the top of the sealing cover plate is fixedly connected with a supporting block. Through the structural design that a rotating shaft is arranged in a stirring tank body to drive a stirring rod to rotate slowly, and an exhaust pipe is arranged to extract air in the stirring tank body, so that a vacuum environment is kept in the stirring tank body, bubbles in slurry can escape, and thus the function of cleaning the bubbles in the slurry can be achieved; the problems that in the battery processing and production process, air is injected into the stirred slurry when the slurry of the positive electrode and the negative electrode is stirred and processed, so that bubbles are inevitably generated in the slurry, and subsequent battery processing is affected are effectively solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of slurry production, in particular to a slurry bubble cleaning device. Background Art

[0002] Battery slurry, especially lithium battery cell slurry, is a key component in the manufacturing process of lithium-ion batteries. In the manufacture of lithium battery electrodes, the positive electrode slurry is mainly composed of binders, conductive agents, positive electrode materials, etc., while the negative electrode slurry is composed of binders, graphite carbon powder, etc.

[0003] During the battery processing and production process, air will be injected into the stirred slurry of the positive and negative electrodes during the stirring process, which will inevitably produce bubbles in the slurry, affecting the subsequent battery processing. Common bubble cleaning devices clean the bubbles in the slurry by squeezing, which can only remove bubbles from the slurry once and the effect is not good.

[0004] To this end, the utility model provides a slurry bubble cleaning device. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a slurry bubble cleaning device described in the utility model comprises a stirring tank body; a plurality of supporting feet are fixedly connected to the bottom of the stirring tank body, and the supporting feet are regularly arranged in a circular array at the bottom of the stirring tank body; a sealing cover plate is provided on the top cover of the stirring tank body; a supporting block is fixedly connected to the top of the sealing cover plate; a driving motor is fixedly connected to the top of the supporting block; a rotating shaft is fixedly connected to the output end of the driving motor; the rotating shaft is rotatably connected to the internal position of the sealing cover plate; a plurality of stirring rods are fixedly connected to the side wall of the rotating shaft, and the stirring rods are regularly arranged in a circular array on the side wall of the rotating shaft; an exhaust pipe is connected to the side wall of the stirring tank body through a flange; and a discharge pipe is connected to the bottom of the stirring tank body through a flange; it effectively avoids the residual bubbles in the slurry, which may easily affect the subsequent battery processing.

[0007] Preferably, a sliding block is slidably connected to the rotating shaft; a plurality of filter plates are fixedly connected to the side wall of the sliding block, and the filter plates are regularly arranged in a circular array on the side wall of the sliding block; a filter is fixedly connected to the inside of the filter plate; the filter plate is inclined on the side wall of the sliding block; a plurality of guide blocks are fixedly connected to the side wall of the rotating shaft; the sliding block is slidably connected to the guide block; so that the effect of cleaning the bubbles inside the slurry is better.

[0008] Preferably, a float is fixedly connected to the interior of the filter screen; the float is arranged at a position corresponding to the middle of the filter screen; the filter screen can have a better cleaning effect on bubbles.

[0009] Preferably, a limit block is fixed on the side wall of the rotating shaft; the limit block is arranged at a position corresponding to the bottom of the sliding block; it can effectively prevent the sliding block from entering the slurry, which may cause bubbles on the sliding block to enter the slurry, causing the bubbles to be re-mixed into the slurry and affecting subsequent battery processing.

[0010] Preferably, a positioning block is fixedly connected to the rotating shaft; the positioning block is rotatably connected to an inner position of the supporting block; this can make the rotating shaft less likely to tilt during the rotation process, making the rotation of the rotating shaft more stable.

[0011] Preferably, a plurality of anti-wear ball bearings are provided between the support block and the positioning block; the side walls of the anti-wear ball bearings are in contact with the side walls of the support block and the positioning block; this reduces the friction between the support block and the positioning block, thereby reducing the wear between the support block and the positioning block.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model discloses a slurry bubble cleaning device, which is designed to allow bubbles in the slurry to escape and clean the bubbles in the slurry, by arranging a rotating shaft inside the stirring tank body to drive the stirring rod to rotate slowly, and at the same time arranging an exhaust pipe to extract the air inside the stirring tank body, so that the structure of the stirring tank body maintains a vacuum environment. This effectively solves the problem that in the process of battery processing and production, when the positive and negative electrode slurries are being stirred, air will be injected into the stirred slurry, thereby inevitably generating bubbles in the slurry, which will affect the subsequent battery processing.

[0014] 2. The slurry bubble cleaning device described in the utility model, when cleaning the bubbles inside the slurry, has a structural design that can skim off the bubbles on the top of the slurry by arranging a filter plate and a filter mesh inside the stirring tank body, thereby realizing the function of cleaning the bubbles inside the slurry, making the effect of cleaning the bubbles inside the slurry better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the stirring tank body in the utility model;

[0018] Figure 3It is a partial structural schematic diagram of the rotating shaft in the utility model;

[0019] Figure 4 It is a partial structural schematic diagram of the sliding block in the utility model.

[0020] In the figure: 1. mixing tank body; 2. supporting feet; 3. sealing cover plate; 4. supporting block; 5. driving motor; 6. rotating shaft; 7. stirring rod; 8. exhaust pipe; 9. discharge pipe; 10. filter plate; 11. filter; 12. sliding block; 13. guide block; 14. floating ball; 15. limit block; 16. positioning block; 17. anti-wear ball. DETAILED DESCRIPTION

[0021] 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 of 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.

[0022] Specific examples are given below.

[0023] like Figures 1 to 3 As shown, a slurry bubble cleaning device described in an embodiment of the utility model comprises a stirring tank body 1; a plurality of supporting feet 2 are fixedly connected to the bottom of the stirring tank body 1, and the supporting feet 2 are regularly arranged in a circular array at the bottom of the stirring tank body 1; a sealing cover plate 3 is provided on the top cover of the stirring tank body 1; a supporting block 4 is fixedly connected to the top of the sealing cover plate 3; a driving motor 5 is fixedly connected to the top of the supporting block 4; a rotating shaft 6 is fixedly connected to the output end of the driving motor 5; the rotating shaft 6 is rotatably connected to the internal position of the sealing cover plate 3; a plurality of stirring rods 7 are fixedly connected to the side wall of the rotating shaft 6, and the stirring rods 7 are regularly arranged in a circular array on the side wall of the rotating shaft 6; an exhaust pipe 8 is connected to the side wall of the stirring tank body 1 through a flange; the bottom of the stirring tank body 1 is connected through a flange A discharge pipe 9 is connected; during operation, when it is necessary to clean the bubbles inside the slurry, the slurry can be put into the interior of the stirring tank body 1, and the sealing cover plate 3 is covered on the top of the stirring tank body 1, and then the driving motor 5 is started to drive the rotating shaft 6 to rotate slowly, so that the bubbles inside the slurry are evenly distributed and gradually rise to the surface and burst, thereby reducing the number of bubbles inside the slurry, and at the same time, the air inside the stirring tank body 1 can be extracted through the exhaust pipe 8, so that the interior of the stirring tank body 1 is in a vacuum environment, so that the pressure of the bubbles inside the slurry is reduced, and they rise and escape by themselves, so that the bubbles inside the slurry can be cleaned, reducing the number of bubbles inside the slurry, and effectively avoiding the residual bubbles in the slurry, which is easy to affect the subsequent battery processing.

[0024] like Figures 2 to 3 As shown, a sliding block 12 is slidably connected to the rotating shaft 6; a plurality of filter plates 10 are fixedly connected to the side wall of the sliding block 12, and the filter plates 10 are regularly arranged in a circular array on the side wall of the sliding block 12; a filter screen 11 is fixedly connected to the inside of the filter plate 10; the filter plate 10 is inclinedly arranged on the side wall of the sliding block 12; a plurality of guide blocks 13 are fixedly connected to the side wall of the rotating shaft 6; the sliding block 12 is slidably connected to the guide block 13; during operation, when the bubbles inside the slurry are cleaned, by arranging the filter plate 10 and the filter screen 11 inside the stirring tank body 1, the bubbles on the top of the slurry can be skimmed off, thereby cleaning the bubbles inside the slurry, making the effect of cleaning the bubbles inside the slurry better.

[0025] like Figures 2 to 4 As shown, a float 14 is fixedly connected to the inside of the filter screen 11; the float 14 is arranged at a position corresponding to the middle of the filter screen 11; during operation, when the bubbles inside the slurry are cleaned through the filter screen 11, by arranging the float 14 inside the filter screen 11, the filter screen 11 can always keep consistent with the liquid level of the slurry, so that the filter screen 11 can have a better cleaning effect on the bubbles.

[0026] like Figures 2 to 3 As shown, a limit block 15 is fixedly connected to the side wall of the rotating shaft 6; the limit block 15 is arranged at a position corresponding to the bottom of the sliding block 12; during operation, when the sliding block 12 slides on the rotating shaft 6, the limit block 15 is arranged on the rotating shaft 6 to block the sliding block 12, thereby effectively preventing the sliding block 12 from entering the slurry, which may cause bubbles on the sliding block 12 to enter the slurry, causing the bubbles to be re-mixed into the slurry, and affecting the subsequent battery processing.

[0027] like Figure 3 As shown, a positioning block 16 is fixedly connected to the rotating shaft 6; the positioning block 16 is rotatably connected to the internal position of the supporting block 4; during operation, when the driving motor 5 rotates inside the sealing cover plate 3, by arranging the positioning block 16 on the rotating shaft 6 and limiting the rotation of the positioning block 16 by the supporting block 4, the rotating shaft 6 is less likely to tilt during the rotation process, and the rotation of the rotating shaft 6 is more stable.

[0028] like Figure 3As shown, a plurality of anti-wear balls 17 are arranged between the support block 4 and the positioning block 16; the side walls of the anti-wear balls 17 are in contact with the side walls of the support block 4 and the positioning block 16; during operation, when the positioning block 16 rotates inside the support block 4, by arranging the anti-wear balls 17 between the support block 4 and the positioning block 16, the sliding friction between the support block 4 and the positioning block 16 can be converted into rolling friction, so that the friction force between the support block 4 and the positioning block 16 is smaller, thereby reducing the wear between the support block 4 and the positioning block 16.

[0029] During operation, when it is necessary to clean the bubbles inside the slurry, the slurry can be put into the interior of the stirring tank body 1, and the sealing cover plate 3 is placed on the top of the stirring tank body 1. Then, the driving motor 5 is started to drive the rotating shaft 6 to rotate slowly, so that the bubbles inside the slurry are evenly distributed and gradually rise to the surface and burst, thereby reducing the number of bubbles inside the slurry. At the same time, the air inside the stirring tank body 1 can be extracted through the exhaust pipe 8, so that the interior of the stirring tank body 1 is in a vacuum environment, so that the pressure of the bubbles inside the slurry is reduced, and they rise and escape by themselves, thereby cleaning the bubbles inside the slurry, reducing the number of bubbles inside the slurry, and effectively avoiding the residual bubbles in the slurry, which may easily affect the subsequent battery processing.

[0030] When cleaning the bubbles inside the slurry, by setting the filter plate 10 and the filter screen 11 inside the stirring tank body 1, the bubbles on the top of the slurry can be skimmed off, so that the bubbles inside the slurry can be cleaned, making the effect of cleaning the bubbles inside the slurry better.

[0031] When the bubbles inside the slurry are cleaned by the filter 11, by arranging the float 14 inside the filter 11, the filter 11 can always keep consistent with the liquid level of the slurry, so that the filter 11 can better clean the bubbles.

[0032] When the sliding block 12 slides on the rotating shaft 6, a limit block 15 is set on the rotating shaft 6 to block the sliding block 12, thereby effectively preventing the sliding block 12 from entering the slurry, which may cause bubbles on the sliding block 12 to enter the slurry, causing the bubbles to be re-mixed into the slurry and affecting subsequent battery processing.

[0033] When the driving motor 5 rotates inside the sealing cover plate 3, by setting a positioning block 16 on the rotating shaft 6 and limiting the rotation of the positioning block 16 by the supporting block 4, the rotating shaft 6 is less likely to tilt during the rotation process, making the rotation of the rotating shaft 6 more stable.

[0034] When the positioning block 16 rotates inside the support block 4, by arranging the anti-wear ball 17 between the support block 4 and the positioning block 16, the sliding friction between the support block 4 and the positioning block 16 can be changed into rolling friction, so that the friction force between the support block 4 and the positioning block 16 is smaller, thereby reducing the wear between the support block 4 and the positioning block 16.

[0035] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A slurry bubble cleaning device, characterized in that: The invention comprises a stirring tank body (1); a plurality of supporting feet (2) are fixedly connected to the bottom of the stirring tank body (1), and the supporting feet (2) are regularly arranged in a circular array on the bottom of the stirring tank body (1); a sealing cover plate (3) is provided on the top cover of the stirring tank body (1); a supporting block (4) is fixedly connected to the top of the sealing cover plate (3); a driving motor (5) is fixedly connected to the top of the supporting block (4); a rotating shaft (6) is fixedly connected to the output end of the driving motor (5); the rotating shaft (6) is rotatably connected to an internal position of the sealing cover plate (3); a plurality of stirring rods (7) are fixedly connected to the side wall of the rotating shaft (6), and the stirring rods (7) are regularly arranged in a circular array on the side wall of the rotating shaft (6); an exhaust pipe (8) is connected to the side wall of the stirring tank body (1) via a flange; and a discharge pipe (9) is connected to the bottom of the stirring tank body (1) via a flange.

2. A slurry bubble cleaning device according to claim 1, characterized in that: A sliding block (12) is slidably connected to the rotating shaft (6); a plurality of filter plates (10) are fixedly connected to the side wall of the sliding block (12), and the filter plates (10) are regularly arranged in a circular array on the side wall of the sliding block (12); a filter screen (11) is fixedly connected inside the filter plate (10); the filter plate (10) is arranged obliquely on the side wall of the sliding block (12); a plurality of guide blocks (13) are fixedly connected to the side wall of the rotating shaft (6); and the sliding block (12) is slidably connected to the guide blocks (13).

3. A slurry bubble cleaning device according to claim 2, characterized in that: A floating ball (14) is fixedly connected to the interior of the filter screen (11); the floating ball (14) is arranged at a position corresponding to the middle of the filter screen (11).

4. A slurry bubble cleaning device according to claim 3, characterized in that: A limit block (15) is fixedly connected to the side wall of the rotating shaft (6); the limit block (15) is arranged at a position corresponding to the bottom of the sliding block (12).

5. A slurry bubble cleaning device according to claim 4, characterized in that: A positioning block (16) is fixedly connected to the rotating shaft (6); the positioning block (16) is rotatably connected to an inner position of the supporting block (4).

6. A slurry bubble cleaning device according to claim 5, characterized in that: A plurality of anti-wear balls (17) are arranged between the support block (4) and the positioning block (16); the side walls of the anti-wear balls (17) are in contact with the side walls of the support block (4) and the positioning block (16).

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