Lithium battery slurry filtering equipment

Abstract

The utility model discloses lithium battery slurry filtering equipment, which belongs to the technical field of lithium battery slurry filtering, and comprises a tank body, a filter screen, a filter screen and a filter screen, and is characterized in that the tank body is provided with a feed port and a discharge port; the rotary table is arranged in the tank body and located below the feeding port, and the rotary table can rotate along the inner wall of the tank body; the filter cartridge is arranged on the rotary table, and a cartridge opening of the filter cartridge faces one side of the feeding port; when the filter drum rotates, the slurry in the drum can be thrown out to one side, close to the discharge hole, in the tank body. According to the utility model, the rotating disc is arranged in the tank body, slurry can fall into the filter cartridge on the rotating disc after entering the tank body, the slurry in the cartridge can be thrown out when the filter cartridge rotates, the slurry can be scattered to have better uniformity while being filtered, and then the slurry can be kept uniform by stirring; therefore, the purpose of improving the pulp quality is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lithium battery slurry filtering technical field, concretely relates to a kind of lithium battery slurry filtering equipment. BACKGROUND

[0002] During the manufacture of lithium battery cell, the powder and slurry as raw materials are put into slurry mixing equipment, and the slurry is made after this process, then the slurry is transported to coating transfer tank for coating process of electrode sheet, and after the coating process is completed, it still needs to be processed by post-process, and finally the manufacture of lithium battery cell is completed.

[0003] The traditional slurry conveying is to convey the slurry into the coating transfer tank after filtering, and the slurry is continuously stirred in the coating transfer tank to prevent settling and keep the slurry uniform. However, the slurry entering the coating transfer tank may still be uneven, and it is difficult to disperse the slurry by stirring at this time, and the quality of the slurry may be affected. SUMMARY

[0004] The utility model aims at providing a kind of lithium battery slurry filtering equipment, the utility model is arranged with carousel in tank body, slurry can fall into filter cartridge on carousel after entering tank body, slurry can be thrown out when filter cartridge rotates, slurry can be dispersed to have better uniformity while being filtered, then slurry can be kept uniform by stirring, to reach the purpose of improving slurry quality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of lithium battery slurry filtering equipment, it includes:

[0007] Tank body has feed inlet and discharge outlet;

[0008] Carousel is arranged in the tank body and located below the feed inlet, and the carousel can rotate along the inner wall of the tank body;

[0009] Filter cartridge is arranged on the carousel and can rotate with the carousel, and the cartridge port of the filter cartridge faces the side of the feed inlet;The slurry in the filter cartridge can be thrown out to the side close to the discharge outlet in the tank body when the filter cartridge rotates.

[0010] The carousel in the utility model can rotate along the inner wall of the tank body, and the rotating carousel can separate the tank body. The slurry entering the tank body from the feed inlet falls on the upper part of the carousel, and then the slurry can enter the filter cartridge from the cartridge port of the filter cartridge. During the rotation of the filter cartridge with the carousel, the slurry in the filter cartridge is thrown out from the filter cartridge to the side of the discharge outlet in the tank body under the action of centrifugal force, thereby improving the uniformity of the slurry while filtering the slurry.

[0011] Optionally, a plurality of filter cartridges are arranged along the circumference of the rotating disc.

[0012] The plurality of filter cartridges are arranged along the circumference of the rotating disc, which can avoid the accumulation of slurry on the rotating disc and increase the centrifugal force generated by rotation to further improve the uniformity of the slurry.

[0013] Optionally, the filter cartridge is connected with an annular mounting seat, and the rotating disc is provided with an annular mounting groove for mounting and cooperating with the annular mounting seat, and the side wall of the annular mounting groove near the side of the filter cartridge forms an annular boss.

[0014] The filter cartridge can be assembled and connected with the annular mounting seat and the annular mounting groove on the rotating disc, and the installation and disassembly are relatively convenient, which is beneficial to timely cleaning or replacement of the filter cartridge.

[0015] Optionally, a sealing groove for arranging a sealing ring is formed at the bottom wall of the annular mounting seat, and the sealing ring is located between the sealing groove and the annular boss when the annular mounting seat is mounted and cooperated with the annular mounting groove.

[0016] The side wall of the annular mounting groove on the rotating disc forms an annular boss, and the sealing groove is arranged at the bottom wall of the annular mounting seat, which can cooperate with the annular boss during assembly. The sealing ring arranged between the sealing groove and the annular boss can prevent the slurry on the upper side of the rotating disc from leaking into the lower side of the rotating disc through the installation gap between the annular mounting seat and the sealing groove.

[0017] Optionally, the rotating disc is connected with a driving mechanism, the driving mechanism comprises a driving motor, the output end of the driving motor is connected with a rotating shaft, and the rotating disc is installed on the rotating shaft.

[0018] The driving motor is used as the driving source of the rotating disc, and the driving motor can be arranged on the tank body and stably drive the rotating disc to rotate.

[0019] Optionally, it further comprises a scraper installed on the rotating shaft, and the scraper can be in frictional contact with the inner wall of the tank body when rotating.

[0020] The driving motor can also drive the scraper to rotate to remove the residual slurry on the inner wall of the tank body when driving the rotating disc to rotate, so as to keep the inner wall of the tank body clean and prevent the slurry from affecting the quality of the slurry due to long-term wall hanging.

[0021] Optionally, the rotating disc is provided with a scraper on both sides.

[0022] The scraper plates on both sides of the rotating disc can clean the inner walls on both sides of the tank body respectively to expand the cleaning range.

[0023] Optionally, the stirring paddle is installed at the bottom end of the rotating shaft.

[0024] The driving motor can drive the stirring paddle to rotate to stir the slurry thrown out by the filter cartridge, so that the slurry is prevented from settling to keep the slurry uniform.

[0025] Compared with the prior art, the lithium battery slurry filtering device provided by the utility model has at least the following beneficial effects:

[0026] 1. The rotating disc drives the filter cartridge to rotate, so that the slurry in the filter cartridge is thrown out by centrifugal force, and the slurry is dispersed at the same time of filtering to improve the uniformity of the slurry and ensure the quality of the slurry.

[0027] 2. The scraper plates can clean the inner walls of the tank body at the same time of driving the rotating disc to rotate, so that the slurry is prevented from being scraped on the walls for a long time to cause adverse effects on the quality. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a structural schematic view of a lithium battery slurry filtering device provided in Embodiment 1;

[0029] Figure 2 is a sectional view structural schematic view of Figure 1 ;

[0030] Figure 3 is an internal three-dimensional structural schematic view of Figure 1 ;

[0031] Figure 4 is a sectional view structural schematic view of Figure 3 ;

[0032] Figure 5 is an enlarged structural schematic view of A in Figure 4 ;

[0033] Reference signs in the drawings: 1, driving motor; 2, feeding port; 3, upper cover; 4, tank body; 5, stirring paddle; 6, scraper plate; 7, discharging port; 8, rotating disc; 9, filter cartridge; 10, upper shaft part; 11, upper cross bar; 12, lower cross bar; 13, annular mounting seat; 14, lower shaft part; 15, annular boss; 16, sealing ring; 17, upper clamp; 18, lower clamp. DETAILED DESCRIPTION

[0034] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more. In the description of the present application, it needs to be explained that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] The present application will be further described below in conjunction with the drawings. The following examples are only used to more clearly illustrate the technical solutions of the present application, and cannot be used to limit the protection scope of the present application.

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment 1

[0037] In conjunction with Figures 1-2 The present embodiment provides a kind of lithium battery slurry filtering equipment, it includes tank body 4, the tank body 4 has feed inlet 2 and discharge port 7, the rotating disc 8 is arranged in the tank body 4, the rotating disc 8 is coaxially arranged with the tank body 4, the edge of the rotating disc 8 is movably connected with the inner wall of the tank body 4, the rotating disc 8 can rotate along the inner wall of the tank body 4.In one specific embodiment, the inner wall of the tank body 4 is provided with a chute, the edge of the rotating disc 8 is slidably arranged in the chute and remains sealed.

[0038] The rotary disc 8 is provided with filter cylinders 9, the cylinder openings of the filter cylinders 9 are towards the side of the feeding port 2, and the external slurry can flow into the filter cylinders 9 along the cylinder openings after entering the tank body 4 from the feeding port 2. The rotary disc 8 can carry the filter cylinders 9 to rotate, and the slurry in the filter cylinders 9 can be thrown to the side of the discharging port 7 under the action of centrifugal force during the rotation process, and the slurry can be filtered by the filter cylinders 9 to remove large-particle impurities and can be dispersed to have better uniformity.

[0039] In a specific embodiment, the rotary disc 8 is driven by a driving motor 1, and the driving motor 1 is installed on the upper cover 3 at the top of the tank body 4. The output end of the driving motor 1 is connected with a rotating shaft, and the rotary disc 8 is installed on the rotating shaft. The rotating shaft includes an upper shaft portion 10 and a lower shaft portion 14 located on both sides of the rotary disc 8, and the upper shaft portion 10 and the output end of the driving motor 1 are connected through a shaft coupling.

[0040] In the embodiment, the bottom end of the lower shaft portion 14 is installed with a stirring paddle 5, and the driving motor 1 in the embodiment can also drive the stirring paddle 5 to rotate to stir the slurry filtered and thrown out by the filter cylinders 9 when driving the rotary disc 8 to rotate, so that the slurry is prevented from settling to keep the slurry uniform.

[0041] In combination Figure 3 In the embodiment, a plurality of filter cylinders 9 are arranged, and the plurality of filter cylinders 9 can simultaneously filter and throw out the slurry, so that the slurry is prevented from accumulating and caking on the upper side of the rotary disc 8. In a specific embodiment, the plurality of filter cylinders 9 are distributed along the circumference of the rotary disc 8 at intervals, and each filter cylinder 9 needs to keep a proper distance from the rotation axis of the rotary disc 8, which needs to ensure sufficient centrifugal force and also needs to prevent damage to the filter cylinders 9.

[0042] In combination Figure 4 and Figure 5In a specific embodiment, the top of the filter cartridge 9 is connected with an annular mounting seat 13, and the rotating disc 8 is provided with an annular mounting groove capable of being mounted with the annular mounting seat 13, and the annular mounting groove is formed with an annular boss 15 close to the side wall of the side of the filter cartridge 9. In a specific embodiment, the bottom wall of the annular mounting seat 13 is formed with a sealing groove for arranging a sealing ring 16, and the sealing groove can be directly connected with the annular boss 15 during installation, and the sealing ring 16 can also be directly fixed between the sealing groove and the annular boss 15 to play a sealing role. The annular boss 15 is formed with a quarter circular ring-shaped lower clamping port 18 at the side wall in the annular mounting groove, and the annular mounting seat 13 is formed with a quarter circular ring-shaped upper clamping port 17 matched with the lower clamping port 18. When the sealing groove is connected with the annular boss 15, the upper clamping port 17 and the lower clamping port 18 are staggered, and at this time, rotating the annular mounting seat 13 can rotate the lower clamping port 18 to the lower side of the upper clamping port 17 to complete the installation.

[0043] In summary, the working principle of the filtering device in the embodiment is that the slurry enters the tank body 4 from the feed inlet 2 at the top of the tank body 4, falls on the rotating disc 8 driven to rotate by the driving motor 1, and then flows into the filter cartridge 9. When the filter cartridge 9 rotates with the rotating shaft, the slurry in the filter cartridge 9 is thrown out of the filter cartridge 9 under the action of centrifugal force, and can be filtered and dispersed during the throwing process. The thrown slurry falls on the side of the discharge outlet 7 in the tank body 4, and the stirring paddle 5 at the bottom of the rotating shaft stirs the slurry to prevent sedimentation and maintain the uniformity of the slurry. Embodiment 2

[0044] In the embodiment, the rotating shaft is also provided with a scraper 6, which can be in frictional contact with the inner wall of the tank body 4 when the rotating shaft rotates. The driving motor 1 in the utility model can also drive the scraper 6 to rotate to remove the residual slurry on the inner wall of the tank body 4 when driving the rotating disc 8 to rotate, so as to keep the inner wall of the tank body 4 clean and prevent the slurry from hanging on the wall for a long time to affect the quality of the slurry. In the embodiment, the rotating disc 8 is provided with scrapers 6 on both sides. The scrapers 6 on both sides of the rotating disc 8 can clean the inner walls of both sides of the tank body 4 respectively to expand the cleaning range. The scrapers 6 on both sides of the rotating disc 8 are fixedly connected with the rotating shaft through upper cross bars 11 and lower cross bars 12 respectively.

[0045] The above has carried out the introduction to the lithium battery slurry filtering equipment provided by the utility model, the principle and implementation mode of the utility model have been set forth in the introduction by applying the specific preferred embodiments, these embodiments are only used for helping understanding the principle and core thought of the utility model, it should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the design thought of the utility model, the implementation scheme in the above embodiment can be further combined or replaced, the utility model can be improved and modified several times, these improvements and modifications also fall within the protection scope of the utility model claim.

Claims

1. A lithium battery slurry filtration apparatus, characterized by, The application relates to a filter device for filtering slurry, which comprises the following parts: a tank body (4) with an inlet (2) and an outlet (7); a rotating disc (8) arranged in the tank body (4) and located below the inlet (2), wherein the rotating disc (8) can rotate along the inner wall of the tank body (4); a filter cylinder (9) arranged on the rotating disc (8) and capable of rotating with the rotating disc (8), wherein the cylinder mouth of the filter cylinder (9) faces the side of the inlet (2); the filter cylinder (9) can throw slurry in the cylinder to the side close to the outlet (7) in the tank body (4) when rotating.

2. The lithium battery slurry filtration apparatus of claim 1, wherein A plurality of filter cylinders (9) are arranged along the circumference of the rotating disc (8).

3. The lithium battery slurry filtration apparatus of claim 1, wherein, An annular mounting seat (13) is connected to the top of the filter cylinder (9), an annular mounting groove for mounting cooperation with the annular mounting seat (13) is arranged on the rotating disc (8), and an annular boss (15) is formed on the side wall of the annular mounting groove close to the side of the filter cylinder (9).

4. The lithium battery slurry filtration apparatus of claim 3, wherein, A sealing groove for arranging a sealing ring (16) is formed at the bottom wall of the annular mounting seat (13), and the sealing ring (16) is located between the sealing groove and the annular boss (15) when the annular mounting seat (13) is mounted with the annular mounting groove.

5. The lithium battery slurry filtration apparatus of claim 1, wherein, A driving mechanism is connected to the rotating disc (8), wherein the driving mechanism comprises a driving motor (1), an output end of the driving motor (1) is connected with a rotating shaft, and the rotating disc (8) is mounted on the rotating shaft.

6. The lithium battery slurry filtration apparatus of claim 5, wherein, Further comprising: a scraper (6) mounted on the rotating shaft, which can be in frictional contact with the inner wall of the tank body (4) when rotating.

7. The lithium battery slurry filtration apparatus of claim 6, wherein, The rotating disc (8) is provided with the scraper (6) on both sides.

8. The lithium battery slurry filtration apparatus of claim 5, wherein, Further comprising: a stirring paddle (5) mounted at the bottom end of the rotating shaft.

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