Material mixing device for battery cell production

Abstract

The utility model discloses a material mixing device for battery cell production, which relates to the technical field of battery cell production and comprises a stirring box, a feeding port is arranged at the top of the stirring box, a stirring structure is arranged in the stirring box, and a reciprocating blowing structure is arranged on the inner side wall of the stirring box; the reciprocating blowing structure comprises a movable circular plate, the movable circular plate is slidably connected to the inner side wall of the stirring box, a sliding circular plate is slidably connected to the interior of the movable circular plate, and a wavy circular block is fixedly connected to the outer side wall of the movable circular plate; an air outlet hole is formed in the inner side wall of the movable circular plate, and through the arrangement of the sliding circular plate, the movable circular plate and the air outlet hole, air blowing can be effectively carried out on a battery cell material which is being stirred and mixed in the stirring box, and the situation that the mixing effect is reduced due to too single stirring of the stirring box is effectively prevented; and through the design, the mobility of the stirred battery cell material can be changed, and meanwhile, the mixing effect can be improved, so that the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cell production, in particular to a material mixing device for battery cell production. Background Technique

[0002] For the manufacture of battery electrodes, the positive electrode paste consists of an adhesive, a conductive agent, a positive electrode material, etc., and the negative electrode paste consists of an adhesive, graphite carbon powder, etc. The preparation of the positive and negative electrode pastes includes a series of technological processes such as the mutual mixing, dissolution, and dispersion between liquid and liquid, and liquid and solid materials. The mixing of battery cell pastes is the most important link in the entire production process, and the mixing device is an indispensable device in the battery cell paste mixing process.

[0003] However, currently, the battery cell materials are only stirred by the rotation of the stirring blades. Although the existing device can mix the battery cell materials, the stirring of the battery cell materials is too single, and the mixing effect cannot be improved. Moreover, when the battery cell materials are put into the stirring tank, it needs to be manually put in. However, when putting them into the stirring tank, the battery cell materials put in may be damaged by impact due to the height of the stirring tank, which will affect the effect of the battery cell materials to be stirred and mixed subsequently. In view of this, we have proposed a material mixing device for battery cell production. Content of the Utility Model

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: A material mixing device for battery cell production, including a stirring tank, a feeding port is opened at the top of the stirring tank, a stirring structure is arranged inside the stirring tank, and a reciprocating air blowing structure is arranged on the inner side wall of the stirring tank;

[0005] The reciprocating air blowing structure includes a moving circular plate, the moving circular plate is slidably connected to the inner side wall of the stirring tank, a sliding circular plate is slidably connected inside the moving circular plate, a wavy circular block is fixedly connected to the outer side wall of the moving circular plate, and air outlet holes are opened on the inner side wall of the moving circular plate;

[0006] When the external motor is started, it drives the stirring structure to reciprocate and drives the sliding circular plate to slide inside the moving circular plate and blow the compressed gas into the battery cell materials being stirred inside the stirring tank. And when the sliding circular plate slides to the maximum distance inside the moving circular plate, it will drive the moving circular plate to move towards the bottom of the stirring tank, and drive the wavy circular block to move, so that the battery cell materials being stirred inside the stirring tank have different fluidities.

[0007] Preferably, the stirring structure includes a first rotating shaft fixedly connected to the output shaft end of an external motor. One end of the first rotating shaft close to the external motor is fixedly connected to a second rotating shaft. A reciprocating rod is slidably connected to the surface of the second rotating shaft, and stirring blades are fixedly connected to the outer ring surface of the first rotating shaft.

[0008] Preferably, an annular sliding groove is formed inside the second rotating shaft. The annular sliding groove formed inside the second rotating shaft is adapted to the reciprocating rod. The reciprocating rod is fixedly connected to a sliding circular plate, and a sector-shaped silica gel plate is fixedly connected to the surface of the sliding circular plate. The sector-shaped silica gel plate is hinged to the first rotating shaft.

[0009] Preferably, the sector-shaped silica gel plate is made of silica gel. The sector-shaped silica gel plate is hinged to the first rotating shaft, and the side of the sector-shaped silica gel plate away from the first rotating shaft is fixedly connected to the sliding circular plate.

[0010] Preferably, a one-way valve and a return spring are arranged inside the moving circular plate, and a plurality of groups of air outlet holes are formed in the inner side wall of the moving circular plate.

[0011] Preferably, four groups of wave-shaped circular blocks are arranged along the surface of the moving circular plate, and the wave-shaped circular blocks are wave-shaped.

[0012] Preferably, two groups of stirring blades are arranged along the surface of the first rotating shaft.

[0013] The present utility model hereby provides a material mixing device for battery cell production through improvement. Compared with the prior art, it has the following improvements and advantages:

[0014] 1. Through the arrangement of the sliding circular plate, the moving circular plate and the air outlet holes, it can effectively blow air into the battery cell materials being stirred and mixed inside the mixing tank, effectively preventing the mixing effect from being reduced due to overly single stirring in the mixing tank. And through this design, it can make the battery cell materials in the stirring change their fluidity while improving the mixing effect, thereby improving the practicability.

[0015] 2. Through the arrangement of the sector-shaped silica gel plate and the sliding circular plate, it can effectively buffer the battery cell materials input into the mixing tank. Through this design, it can effectively prevent the battery cell materials from being damaged due to impact when entering the mixing tank, thereby improving the mixing effect of the subsequent stirring and mixing of the battery cell materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a sectional perspective view of the overall structure of the present utility model;

[0018] Figure 3 This is a partial schematic view of the stirring structure of the present utility model;

[0019] Figure 4 This is a schematic view of the split of the overall structure of the present utility model.

[0020] In the drawings: 1, stirring tank; 2, feeding port; 3, stirring structure; 301, first rotating shaft; 302, stirring blade; 303, fan-shaped silica gel plate; 304, second rotating shaft; 305, reciprocating rod; 4, reciprocating air blowing structure; 401, sliding circular plate; 402, moving circular plate; 403, wavy circular block; 404, air outlet hole. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0023] For the embodiments of the present novel, please refer to Figures 1 to 4 A material mixing device for battery cell production, comprising a stirring tank 1, a feeding port 2 is opened at the top of the stirring tank 1, a stirring structure 3 is arranged inside the stirring tank 1, and a reciprocating air blowing structure 4 is arranged on the inner side wall of the stirring tank 1;

[0024] The reciprocating air blowing structure 4 includes a moving circular plate 402, the moving circular plate 402 is slidably connected to the inner side wall of the stirring tank 1, a sliding circular plate 401 is slidably connected inside the moving circular plate 402, a wavy circular block 403 is fixedly connected to the outer side wall of the moving circular plate 402, and an air outlet hole 404 is opened on the inner side wall of the moving circular plate 402;

[0025] When the external motor is started, it drives the stirring structure 3 to reciprocate and drives the sliding circular plate 401 to slide inside the moving circular plate 402 and blows the compressed gas into the battery cell material being stirred inside the stirring tank 1. And when the sliding circular plate 401 slides the maximum distance inside the moving circular plate 402, it will drive the moving circular plate 402 to move towards the bottom of the stirring tank 1, and drive the wavy circular block 403 to move, so that the battery cell materials being stirred inside the stirring tank 1 have different fluidities;

[0026] To achieve the stirring of the battery cell materials, the following specific structures need to be disclosed in detail. Please refer to Figures 1 to 4 , the stirring structure 3 includes a first rotating shaft 301, the first rotating shaft 301 is fixedly connected to the output shaft end of an external motor, and a second rotating shaft 304 is fixedly connected to one end of the first rotating shaft 301 close to the external motor. A reciprocating rod 305 is slidably connected to the surface of the second rotating shaft 304, and a stirring blade 302 is fixedly connected to the outer ring surface of the first rotating shaft 301;

[0027] First, the staff needs to put the wire materials into the stirring tank 1 from the feeding port 2, and then control the output shaft end of the external motor to rotate through the control panel to drive the first rotating shaft 301 to rotate. The rotation of the first rotating shaft 301 will drive the stirring blade 302 to rotate, so as to stir and mix the battery cell materials placed in the stirring tank 1;

[0028] To make the stirring of the battery cell materials not too single, the following specific structures need to be disclosed in detail. Please refer to Figures 1 to 4 , an annular sliding groove is opened inside the second rotating shaft 304. The annular sliding groove opened inside the second rotating shaft 304 is adapted to the reciprocating rod 305. The reciprocating rod 305 is fixedly connected to a sliding circular plate 401, and a sector-shaped silica gel plate 303 is fixedly connected to the surface of the sliding circular plate 401. The sector-shaped silica gel plate 303 is hinged to the first rotating shaft 301;

[0029] When the second rotating shaft 304 rotates, it will drive the second rotating shaft 304 to rotate. Since an annular sliding groove is opened on the surface of the second rotating shaft 304 and is adapted to the reciprocating rod 305, when the second rotating shaft 304 rotates, it will drive the reciprocating rod 305 to perform a reciprocating up and down movement. The reciprocating up and down movement of the reciprocating rod 305 will drive the sliding circular plate 401 to perform a reciprocating up and down movement, so as to improve the effect of the subsequent battery cell materials during stirring;

[0030] To buffer the battery cell materials fed into the feeding port 2, the following specific structures need to be disclosed in detail. Please refer to Figures 1 to 4 , the sector-shaped silica gel plate 303 is made of silica gel. The sector-shaped silica gel plate 303 is hinged to the first rotating shaft 301, and the side of the sector-shaped silica gel plate 303 away from the first rotating shaft 301 is fixedly connected to the sliding circular plate 401;

[0031] When the device is not started, the sector-shaped silica gel plate 303 is in a parallel state with the feeding port 2. Therefore, when the staff puts the battery cell materials into the stirring tank 1, the sector-shaped silica gel plate 303 at this time can buffer the battery cell materials to prevent the battery cell materials from being damaged by impact when entering the inside of the stirring tank 1;

[0032] In order to blow air into the battery cell material being stirred inside the stirring tank 1, the following specific structures need to be disclosed in detail. Please refer to Figures 1 to 4 A check valve and a return spring are arranged inside the moving circular plate 402, and a plurality of groups of air outlet holes 404 are formed on the inner side wall of the moving circular plate 402;

[0033] When the reciprocating rod 305 reciprocates up and down, it will drive the sliding circular plate 401 to slide inside the moving circular plate 402, and the air inside the moving circular plate 402 will be inflated and discharged from the air outlet holes 404 into the inside of the stirring tank 1, so as to realize blowing air into the inside of the stirring tank 1 to make the battery cell material being stirred have fluidity, thereby improving the stirring effect;

[0034] In order to further increase the fluidity of the battery cell material being stirred inside the stirring tank 1, the following specific structures need to be disclosed in detail. Please refer to Figures 1 to 4 Four groups of wavy circular blocks 403 are respectively arranged along the surface of the moving circular plate 402, and the wavy circular blocks 403 are arranged in a wavy shape;

[0035] When the sliding circular plate 401 slides to the maximum distance inside the moving circular plate 402, it will drive the moving circular plate 402 to move towards the bottom of the stirring tank 1. The movement of the moving circular plate 402 will drive the wavy circular blocks 403 to move, so that while further improving the stirring effect of the battery cell material being stirred in the stirring tank 1, the battery cell material can be more evenly mixed;

[0036] In order to stir the battery cell material placed inside the stirring tank 1 more evenly, the following specific structures need to be disclosed in detail. Please refer to Figures 1 to 4 Two groups of stirring blades 302 are respectively arranged along the surface of the first rotating shaft 301, so as to stir the battery cell material more evenly, thereby improving the practicability.

[0037] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. The substitution may be the substitution of part of the structure, device, method steps, or a complete technical solution. Any equivalent substitution or change made according to the technical solution of the present invention and the inventive concept of the present invention should be covered within the protection scope of the present invention.

Claims

1. A material mixing device for battery cell production, comprising a mixing box (1), characterized in that: The top of the stirring box (1) is provided with a feeding port (2), a stirring structure (3) is provided inside the stirring box (1), and a reciprocating air blowing structure (4) is provided on the inner side wall of the stirring box (1); The reciprocating blowing structure (4) comprises a movable circular plate (402), the movable circular plate (402) is slidably connected to the inner wall of the mixing box (1), a sliding circular plate (401) is slidably connected inside the movable circular plate (402), a wave circular block (403) is fixedly connected to the outer wall of the movable circular plate (402), and an air outlet hole (404) is opened on the inner wall of the movable circular plate (402); The external motor is started to drive the stirring structure (3) to reciprocate and drive the sliding circular plate (401) to slide inside the moving circular plate (402) and blow the compressed gas into the battery core material being stirred inside the stirring box (1). When the sliding circular plate (401) slides the maximum distance inside the moving circular plate (402), the moving circular plate (402) is driven to move toward the bottom of the stirring box (1) and the wave circular block (403) is driven to move so that the battery core material being stirred inside the stirring box (1) has different fluidity.

2. A material mixing device for battery cell production according to claim 1, characterized in that: The stirring structure (3) comprises a first rotating shaft (301), wherein the first rotating shaft (301) is fixedly connected to the output shaft end of an external motor, an end of the first rotating shaft (301) close to the external motor is fixedly connected to a second rotating shaft (304), a reciprocating rod (305) is slidably connected to the surface of the second rotating shaft (304), and a stirring blade (302) is fixedly connected to the outer ring surface of the first rotating shaft (301).

3. A material mixing device for battery cell production according to claim 2, characterized in that: An annular groove is provided inside the second rotating shaft (304), and the annular groove provided inside the second rotating shaft (304) is adapted to the reciprocating rod (305), and the reciprocating rod (305) is fixedly connected to the sliding circular plate (401), and a fan-shaped silicone plate (303) is fixedly connected to the surface of the sliding circular plate (401), and the fan-shaped silicone plate (303) is hingedly connected to the first rotating shaft (301).

4. A material mixing device for battery cell production according to claim 3, characterized in that: The fan-shaped silicone plate (303) is made of silicone, the fan-shaped silicone plate (303) is hingedly connected to the first rotating shaft (301), and the side of the fan-shaped silicone plate (303) away from the first rotating shaft (301) is fixedly connected to the sliding circular plate (401).

5. A material mixing device for battery cell production according to claim 1, characterized in that: A one-way valve and a return spring are arranged inside the movable circular plate (402), and a plurality of groups of air outlet holes (404) are opened on the inner side wall of the movable circular plate (402).

6. A material mixing device for battery cell production according to claim 1, characterized in that: Four groups of the wavy circular blocks (403) are respectively arranged along the surface of the movable circular plate (402), and the wavy circular blocks (403) are arranged in a wavy shape.

7. A material mixing device for battery cell production according to claim 2, characterized in that: The stirring blades (302) are respectively arranged in two groups along the surface of the first rotating shaft (301).

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