Lithium battery raw material stirring device

Abstract

The utility model relates to the technical field of lithium battery production, and discloses a lithium battery raw material stirring device which comprises a machine base, a stirring container is fixed on the machine base, a rotating shaft is rotatably installed on the inner bottom face of the stirring container, two connecting rods are fixed on the rotating shaft, and frame bodies are fixed at the ends, away from the rotating shaft, of the two connecting rods. Two frame bodies are arranged in the stirring container, grinding wheels are rotationally mounted on the two frame bodies, cleaning structures are arranged on the two frame bodies, pneumatic structures are arranged on the two frame bodies, and an air supply structure is arranged above the stirring container. By means of the rotating rod and the brush structure, the device can automatically clean graphite powder on the surface of the runner wheel, the frequency and workload of manual cleaning of operators are effectively reduced, production efficiency and operation convenience are improved, adhesion of the graphite powder can affect the working efficiency and stability of the runner wheel, and the device is suitable for popularization and application. The automatic cleaning function ensures that the runner wheel is always kept in a clean state.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production, in particular to a stirring device for lithium battery raw materials. Background Technique

[0002] The stirring device for lithium battery raw materials is usually used to mix and stir the positive and negative active materials, conductive agents, binders and solvents of lithium batteries to prepare electrode slurries. These stirring devices play a key role in the lithium battery production process, ensuring the uniformity and quality of the electrode slurries, thus affecting the final performance and stability of the batteries.

[0003] The roller stirring equipment is a common lithium battery raw material processing equipment, which has the dual functions of crushing and stirring. However, in actual use, graphite powder is easily adhered to the surface of the roller. The graphite powder adhered to the surface of the roller will form lumps or layers, so that it cannot be evenly mixed with other raw materials during the stirring process, which will lead to uneven composition of the final electrode slurry, affecting the consistency and stability of the battery performance. In addition, the graphite powder adhered to the surface of the roller may cause unstable operation of the equipment. These adhesions can increase the load of the roller, affecting the operation efficiency and stability of the equipment, and even may cause equipment failures or require frequent shutdowns for cleaning.

[0004] Therefore, it is necessary to design a stirring device for lithium battery raw materials to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose a stirring device for lithium battery raw materials.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A stirring device for lithium battery raw materials, including a machine base, a stirring container is fixed on the machine base, a rotating shaft is rotatably installed on the inner bottom surface of the stirring container, two connecting rods are fixed on the rotating shaft, frames are fixed at the ends of the two connecting rods away from the rotating shaft, rollers are rotatably installed on the two frames respectively, cleaning structures are arranged on the two frames respectively, pneumatic structures are arranged on the two frames respectively, and a gas supply structure is arranged above the stirring container.

[0008] As a preferred technical scheme of the utility model, the cleaning structure includes an installation opening, a rotating rod and brush hairs. The installation opening is opened on the side surface of the frame, the rotating rod is rotatably installed in the installation opening, and the brush hairs are arranged on the outer peripheral surface of the rotating rod.

[0009] As a preferred technical solution of the present utility model, the pneumatic structure includes a pneumatic component, a spray pipe and a fixing rod. The pneumatic component is fixed on the rotating rod, the spray pipe is fixed on the frame body through the fixing rod, and one end of the spray pipe is arranged towards the pneumatic component.

[0010] As a preferred technical solution of the present utility model, the air supply structure includes two connecting plates, an air box, an air inlet, a first gear, a second gear and a suction component. One ends of the two connecting plates are fixedly connected to the inner surface of the stirring container, and the other ends of the two connecting plates are fixedly connected to the air box. The air inlet is opened on the outer peripheral surface of the air box. An avoidance opening adapted to the rotating shaft is opened on the bottom surface of the air box, and the air box is sleeved on the top of the rotating shaft. The first gear is fixedly sleeved on the top end of the rotating shaft. The second gear is rotatably installed inside the air box through a wheel shaft, and the second gear meshes with the first gear. The suction component is fixedly sleeved on the wheel shaft, and the air box is communicated with the spray pipe.

[0011] As a preferred technical solution of the present utility model, both the pneumatic component and the suction component include a sleeve and a plurality of axial flow blades, and the plurality of axial flow blades are all fixed on the sleeve.

[0012] As a preferred technical solution of the present utility model, the bristles are made of hard brushes, and the bristles are in contact with the outer peripheral surface of the grinding wheel.

[0013] The present utility model has the following beneficial effects:

[0014] Through the designed rotating rod and bristle structure, the device can automatically clean the graphite powder on the surface of the grinding wheel, which effectively reduces the frequency and workload that the operator needs to clean manually, improves the production efficiency and operation convenience. The adhesion of graphite powder will affect the working efficiency and stability of the grinding wheel. The automatic cleaning function ensures that the grinding wheel always remains clean, reduces equipment failures or downtime caused by adhesions, and improves the reliability and service life of the equipment. In addition, the clean surface of the grinding wheel helps to ensure the uniformity and consistency of the electrode paste, thereby improving the quality and performance stability of the final lithium battery product. Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram of a lithium battery raw material stirring device proposed by the present utility model;

[0016] Figure 2 It is a schematic top view structural diagram of a lithium battery raw material stirring device proposed by the present utility model;

[0017] Figure 3 It is a schematic structural diagram of a lithium battery raw material stirring device from another perspective proposed by the present utility model;

[0018] Figure 4 isFigure 2 Enlarged view of the structure at position A;

[0019] Figure 5 is Figure 3 Enlarged view of the structure at position B.

[0020] In the figure: 1 base, 2 stirring container, 3 rotating shaft, 4 connecting rod, 5 frame, 6 grinding wheel, 71 mounting port, 72 rotating rod, 73 brush bristles, 81 pneumatic component, 82 air spraying pipe, 83 fixing rod, 91 connecting plate, 92 air box, 93 air inlet, 94 gear one, 95 gear two, 96 air suction component. Specific implementation mode

[0021] 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.

[0022] Refer to Figures 1-5 , a lithium battery raw material stirring device, including a base 1, a stirring container 2 is fixed on the base 1, a rotating shaft 3 is rotatably installed on the inner bottom surface of the stirring container 2, two connecting rods 4 are fixed on the rotating shaft 3, both ends of the two connecting rods 4 away from the rotating shaft 3 are fixed with frames 5, grinding wheels 6 are rotatably installed on both frames 5, a motor is installed on the base 1, and the output shaft of the motor is connected to the rotating shaft 3. The motor is a prior art and will not be described in detail here. When stirring the lithium battery raw materials, the staff first puts the raw materials into the stirring container 2, and then starts the motor. When the motor runs, it can drive the rotating shaft 3 to rotate. When the rotating shaft 3 rotates, it drives the two frames 5 to rotate through the two connecting rods 4, so that the two grinding wheels 6 also rotate accordingly. When the two grinding wheels 6 rotate, they can roll and process the raw materials in the stirring container 2;

[0023] Cleaning structures are provided on both frames 5. The cleaning structure includes a mounting port 71, a rotating rod 72 and brush bristles 73. The mounting port 71 is opened on the side surface of the frame 5. The rotating rod 72 is rotatably installed in the mounting port 71. The brush bristles 73 are placed on the outer peripheral surface of the rotating rod 72. The brush bristles 73 are made of hard brushes, and the brush bristles 73 are in contact with the outer peripheral surface of the grinding wheel 6. During the rotation of the rotating shaft 3, under the combined action of the air supply structure and the pneumatic structure, the two rotating rods 72 can rotate. During the rotation of the rotating rod 72, the brush bristles 73 thereon will continuously brush the surface of the grinding wheel 6, so as to brush out the graphite powder attached to the grinding wheel 6, avoid the adhesion of graphite powder on the surface of the grinding wheel 6, and play an automatic cleaning role for the grinding wheel 6;

[0024] Pneumatic structures are provided on both of the two frames 5. The pneumatic structures include pneumatic components 81, air spray pipes 82 and fixing rods 83. The pneumatic components 81 are fixed on the rotating rods 72. The air spray pipes 82 are fixed on the frames 5 through the fixing rods 83. One end of the air spray pipe 82 is arranged towards the pneumatic components 81. When the gas is sprayed on several axial flow blades of the pneumatic components 81, the gas can blow the pneumatic components 81 to rotate, so that the pneumatic components 81 drive the rotating rods 72 to rotate;

[0025] A gas supply structure is arranged above the stirring container 2. The gas supply structure includes two connecting plates 91, a gas box 92, an air inlet 93, a first gear 94, a second gear 95 and a suction component 96. One ends of the two connecting plates 91 are fixedly connected to the inner surface of the stirring container 2, and the other ends of the two connecting plates 91 are fixedly connected to the gas box 92. The air inlet 93 is opened on the outer peripheral surface of the gas box 92. An avoidance opening adapted to the rotating shaft 3 is opened on the bottom surface of the gas box 92, and the gas box 92 is sleeved on the top of the rotating shaft 3. The first gear 94 is fixedly sleeved on the top end of the rotating shaft 3. The second gear 95 is rotatably installed inside the gas box 92 through a wheel shaft, and the second gear 95 meshes with the first gear 94. The suction component 96 is fixedly sleeved on the wheel shaft. The gas box 92 is communicated with the air spray pipes 82. Both the pneumatic components 81 and the suction component 96 include sleeves and several axial flow blades. The several axial flow blades are all fixed on the sleeves. When the rotating shaft 3 operates, it can drive the first gear 94 to rotate. When the first gear 94 rotates, it can drive the second gear 95 meshing with it to rotate. When the second gear 95 rotates, it can drive the suction component 96 to rotate through the wheel shaft. During the rotation process, the suction component 96 can extract the air in the external environment through several air inlets 93 and discharge the gas into the two air spray pipes 82. Further, the gas will be sprayed out through the two air spray pipes 82.

[0026] The specific working principle of the present utility model is as follows:

[0027] When the lithium battery raw material stirring device proposed by the present utility model is in use, a motor is installed on the machine base 1, and the output shaft of the motor is connected to the rotating shaft 3. The motor is a prior art and will not be elaborated here. When stirring the lithium battery raw materials, the staff first puts the raw materials into the stirring container 2, and then starts the motor. When the motor operates, it can drive the rotating shaft 3 to rotate. When the rotating shaft 3 rotates, it drives the two frames 5 to rotate through the two connecting rods 4, so that the two rolling wheels 6 also rotate accordingly. When the two rolling wheels 6 rotate, they can roll and process the raw materials in the stirring container 2;

[0028] When the rotating shaft 3 rotates, it can drive the first gear 94 to rotate. When the first gear 94 rotates, it can drive the second gear 95 meshing with it to rotate. When the second gear 95 rotates, it can drive the air suction member 96 to rotate through the wheel shaft. During the rotation process, the air suction member 96 can extract the air in the external environment through a plurality of air inlets 93 and discharge the gas into the two spray pipes 82. Further, the gas will be ejected through the two spray pipes 82, which enables the two spray pipes 82 to perform a jetting action towards the two pneumatic members 81. When the gas jets on the plurality of axial flow blades of the pneumatic member 81, the gas can blow the pneumatic member 81 to rotate, so that the pneumatic member 81 drives the rotating rod 72 to rotate. Therefore, during the rotation process of the rotating shaft 3, under the combined action of the air supply structure and the pneumatic structure, the two rotating rods 72 can rotate. During the rotation process of the rotating rod 72, the bristles 73 thereon will continuously brush the surface of the grinding wheel 6, thereby brushing out the graphite powder adhering to the grinding wheel 6, preventing the graphite powder from adhering to the surface of the grinding wheel 6, and playing an automatic cleaning role for the grinding wheel 6.

[0029] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A lithium battery raw material stirring device, comprising a machine base (1), on which a stirring container (2) is fixed, characterized in that: A rotating shaft (3) is rotatably mounted on the inner bottom surface of the stirring container (2); two connecting rods (4) are fixed on the rotating shaft (3); frames (5) are fixed to the ends of the two connecting rods (4) away from the rotating shaft (3); rolling wheels (6) are rotatably mounted on the two frames (5); cleaning structures are provided on the two frames (5); pneumatic structures are provided on the two frames (5); and an air supply structure is provided above the stirring container (2).

2. A lithium battery raw material stirring device according to claim 1, characterized in that: The cleaning structure comprises a mounting opening (71), a rotating rod (72) and bristles (73); the mounting opening (71) is provided on a side surface of the frame (5); the rotating rod (72) is rotatably mounted in the mounting opening (71); and the bristles (73) are disposed on the outer peripheral surface of the rotating rod (72).

3. A lithium battery raw material stirring device according to claim 2, characterized in that: The pneumatic structure comprises a pneumatic part (81), an air jet pipe (82) and a fixed rod (83); the pneumatic part (81) is fixed on the rotating rod (72); the air jet pipe (82) is fixed on the frame (5) via the fixed rod (83); and one end of the air jet pipe (82) is arranged toward the pneumatic part (81).

4. A lithium battery raw material stirring device according to claim 3, characterized in that: The air supply structure comprises two connecting plates (91), an air box (92), an air inlet (93), a gear 1 (94), a gear 2 (95) and an air suction member (96). One end of the two connecting plates (91) is fixedly connected to the inner surface of the stirring container (2), and the other end of the two connecting plates (91) is fixedly connected to the air box (92). The air inlet (93) is provided on the outer peripheral surface of the air box (92). The bottom surface of the air box (92) is provided with an escape hole matched with the rotating shaft (3). The air box (92) is sleeved on the top of the rotating shaft (3). The gear 1 (94) is fixedly sleeved on the top of the rotating shaft (3). The gear 2 (95) is rotatably mounted inside the air box (92) via a wheel shaft, and the gear 2 (95) and the gear 1 (94) are meshed with each other. The air suction member (96) is fixedly sleeved on the wheel shaft. The air box (92) is connected to the air injection pipe (82).

5. A lithium battery raw material stirring device according to claim 4, characterized in that: The pneumatic component (81) and the air suction component (96) both comprise a sleeve and a plurality of axial flow blades, and the plurality of axial flow blades are fixed on the sleeve.

6. A lithium battery raw material stirring device according to claim 2, characterized in that: The bristles (73) are made of hard brushes, and the bristles (73) are in contact with the outer peripheral surface of the grinding wheel (6).

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