Lithium battery positive and negative electrode composite material grinding machine

Abstract

The utility model relates to the technical field of lithium battery production, and discloses a lithium battery positive and negative electrode composite material grinder which comprises a treatment tank, a top cover is arranged on the upper surface of the treatment tank, a connecting frame is fixedly connected to the inner wall of the treatment tank, a hollow plate is fixedly connected to the interior of the connecting frame, and a motor is fixedly connected to the inner wall of the top cover. The output end of the motor is fixedly connected with a connecting shaft, the outer wall of the connecting shaft is fixedly connected with a straight gear, the interior of the top cover is rotatably connected with a fixed cylinder, the outer wall of the fixed cylinder is fixedly connected with an external gear, the external gear is in meshed connection with the straight gear, and the interior of the top cover is rotatably connected with a rotating rod. According to the device, the straight gear on the connecting shaft is driven by the motor to be meshed with the external gear to rotate, raw materials above the hollowed-out plate are rapidly ground by the crushing roller, meanwhile, the rotating rod is driven by the belt, the raw materials are conveyed to the discharging opening through the auger blade, and the practicability of the device is improved through multiple times of grinding.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery production technical field especially relates to a lithium battery positive and negative pole composite material grinding machine. BACKGROUND

[0002] Lithium batteries are high-energy-density batteries that use lithium metal or lithium compounds as the positive electrode material, widely used in consumer electronics, automobiles, and energy storage. Lithium battery positive and negative pole composite material grinding machine plays a key role in the battery manufacturing process, it through superfine grinding and uniform mixing positive electrode material (such as lithium iron phosphate, nickel cobalt manganese lithium) and negative electrode material (such as graphite, silicon carbon material), improve the specific surface area and uniformity of material, and then improve the diffusion speed of lithium ion and the charge-discharge performance of battery. Grinding can also optimize the microstructure of the material, improve the electrical conductivity and ion mobility, ensure the uniform modification of the material surface, thereby improving the electrochemical performance, stability and life of the battery.

[0003] The existing grinding machine is mostly driven by a single grinding roller during use, but the single grinding method may not grind the raw materials thoroughly, resulting in low production efficiency. Therefore, a lithium battery positive and negative pole composite material grinding machine is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] To make up for the above shortcomings, the utility model provides a lithium battery positive and negative pole composite material grinding machine, aiming at improving the simple grinding method and single function of the prior art, which cannot efficiently grind the raw materials, resulting in low practicality and production efficiency of the device.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a lithium battery positive and negative pole composite material grinding machine, comprising a treatment tank, a top cover is arranged on the upper surface of the treatment tank, a connecting frame is fixedly connected to the inner wall of the treatment tank, a hollow plate is fixedly connected in the connecting frame, a motor is fixedly connected to the inner wall of the top cover, a connecting shaft is fixedly connected to the output end of the motor, a straight gear is fixedly connected to the outer wall of the connecting shaft, a fixed cylinder is rotatably connected in the top cover, an external gear is fixedly connected to the outer wall of the fixed cylinder, the external gear is meshed with the straight gear, a rotating rod is rotatably connected in the top cover, a dragon leaf is fixedly connected to the outer wall of the rotating rod, a belt is transmissionally connected between the rotating rod and the connecting shaft, a discharge port is penetrated and arranged on the upper side in the fixed cylinder, a transmission port is penetrated and arranged on the lower side in the fixed cylinder, a fixed rod is fixedly connected to the outer wall of the fixed cylinder, a grinding roller is rotatably connected to the outer wall of the fixed rod, an auxiliary assembly for facilitating the rotation of the fixed rod is installed in the grinding roller, and a supporting assembly for supporting the treatment tank is installed on the outer wall of the treatment tank.

[0006] Further, the auxiliary assembly comprises a rotating shaft fixedly connected inside the fixed rod, and a roller rotatably connected to the outer wall of the auxiliary assembly.

[0007] Further, the support assembly comprises a supporting leg fixedly connected to the outer wall of the processing tank, and a base fixedly connected to the lower surface of the supporting leg.

[0008] Further, the upper side of the outer wall of the processing tank is fixedly connected with an inlet pipe, the lower side of the outer wall of the processing tank is fixedly connected with an outlet pipe, the outer wall of the outlet pipe is fixedly connected with a valve, the outer wall of the fixed cylinder is fixedly connected with a stirring frame, the outer wall of the fixed cylinder is provided with a mixing assembly for stirring, the inner part of the top cover is provided with a heat dissipation hole, the outer wall of the top cover is fixedly connected with a handle, and the inner part of the processing tank and the top cover is provided with a mounting bolt.

[0009] Further, the mixing assembly comprises a fixed block, the outer wall of the fixed block is fixedly connected to the outer wall of the fixed cylinder, and the outer wall of the fixed block is fixedly connected with stirring blades.

[0010] Further, the stirring frame is rotatably connected to the inner wall of the top cover, and the stirring frame is used for scraping the inner wall of the processing tank.

[0011] Further, the grinding roller is rotatably connected to the upper surface of the hollow plate, and the grinding roller is used for crushing raw materials.

[0012] Further, the roller is rotatably connected to the inner wall of the processing tank, and the roller is used for assisting the rotation of the fixed rod.

[0013] The utility model has the advantages of:

[0014] 1、the utility model discloses a motor drives the straight gear of the outer wall of connecting shaft and the external gear to carry out the meshing rotation, and then realizes the effect of driving the crushing roller to rapidly grind the raw materials on the hollow plate, then the connecting shaft drives the inner rotating rod of the belt to rotate, so as to realize the effect of driving the stirring blade to convey the raw materials to the discharge port through the conveying port, and then the raw materials are conveyed through the discharge port, so that the effect of multiple grinding of raw materials is realized, and the practicability of the device is improved.

[0015] 2、the utility model discloses the rotation of the fixed cylinder, and then the stirring blade mixes the multiple raw materials uniformly, and at the same time, the rotation of the stirring frame realizes the effect of scraping the residual raw materials on the inner wall of the processing tank, so that the effect of preventing the raw materials from adhering to the inner wall of the processing tank is achieved, and then the handle and the mounting bolt are matched, so that the effect of convenient disassembly is realized, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1A three-dimensional structure schematic diagram of a lithium battery positive and negative electrode composite material grinding machine is provided in the utility model.

[0017] Figure 2 A part structure schematic diagram of a hollow plate of a lithium battery positive and negative electrode composite material grinding machine is provided in the utility model.

[0018] Figure 3 A part structure schematic diagram of a grinding roller of a lithium battery positive and negative electrode composite material grinding machine is provided in the utility model.

[0019] Figure 4 A part structure schematic diagram of a stirring frame of a lithium battery positive and negative electrode composite material grinding machine is provided in the utility model.

[0020] Legend:

[0021] 1, processing tank, 2, top cover, 3, connecting frame, 4, hollow plate, 5, motor, 6, connecting shaft, 7, straight gear, 8, fixed cylinder, 9, external gear, 10, belt, 11, rotating rod, 12, paddle, 13, discharge port, 14, transmission port, 15, fixed rod, 16, grinding roller, 17, auxiliary assembly, 1701, rotating shaft, 1702, roller, 18, supporting assembly, 1801, supporting leg, 1802, base, 19, inlet pipe, 20, outlet pipe, 21, valve, 22, fixed block, 23, stirring blade, 24, stirring frame, 25, heat dissipation hole, 26, handle, 27, mounting bolt. Specific implementation

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Reference Figure 1 - Figure 4, the utility model provides an embodiment: a lithium battery positive and negative electrode composite material grinding machine, including a processing tank 1, a top cover 2 is provided on the upper surface of the processing tank 1, the top cover 2 is used to seal the processing tank and prevent material leakage, the inner wall of the processing tank 1 is fixedly connected to a connecting frame 3, the connecting frame 3 is used to support the internal structure, the connecting frame 3 is fixedly connected to a hollow plate 4, the hollow plate 4 is used to separate and screen materials, the inner wall of the top cover 2 is fixedly connected to a motor 5, the motor 5 is used to drive the connecting shaft 6 to rotate, the outer wall of the connecting shaft 6 is fixedly connected to a spur gear 7, the spur gear 7 is used to transmit power by meshing with an external gear 9, the top cover 2 is rotatably connected to a fixed cylinder 8, the fixed cylinder 8 is used to accommodate internal grinding components, the outer wall of the fixed cylinder 8 is fixedly connected to an external gear 9, the external gear 9 is used to drive the grinding device to rotate, the top cover 2 is rotatably connected to a rotating rod 11, the outer wall of the rotating rod 11 is fixedly connected to a dragon leaf 12, the dragon leaf 12 is used to push the material flow The rotating rod 11 is connected to the connecting shaft 6 through a belt 10 for transmission. The belt 10 is used to ensure the synchronous operation of the two. A discharge port 13 is provided on the upper side of the fixed cylinder 8 for discharging the processed material. A transmission port 14 is provided on the lower side of the interior for conveying the material to the grinding area. A fixed rod 15 is fixedly connected to the outer wall of the fixed cylinder 8. The fixed rod 15 is used to support the grinding roller 16. The grinding roller 16 is used to grind the material. An auxiliary component 17 is installed inside the grinding roller 16. The auxiliary component 17 is used to assist the rotation of the fixed rod 15. The auxiliary component 17 includes a rotating shaft 1701, which is used to connect the fixed rod, and a roller 1702 is used to reduce friction and improve grinding efficiency. A support component 18 is installed on the outer wall of the processing tank 1. The support component 18 includes a support leg 1801 and a base 1802. The support leg 1801 and the base 1802 are used to firmly support the processing tank.

[0024] Reference Figure 1 - Figure 4The outer wall of the processing tank 1 is fixedly connected with an inlet pipe 19 on the upper side, the inlet pipe 19 is used for guiding the material into the processing tank 1, the outer wall of the processing tank 1 is fixedly connected with an outlet pipe 20 on the lower side, the outlet pipe 20 is used for discharging the processed material, the outer wall of the outlet pipe 20 is fixedly connected with a valve 21, the valve 21 is used for controlling the discharge of the material, the outer wall of the fixed cylinder 8 is fixedly connected with a stirring frame 24, the stirring frame 24 is used for scraping the inner wall of the processing tank 1 to enhance the stirring effect, the outer wall of the fixed cylinder 8 is provided with a mixing assembly for stirring, the mixing assembly comprises a fixed block 22, the fixed block 22 is used for being fixed to the outer wall of the fixed cylinder 8, the outer wall of the fixed block 22 is fixedly connected with stirring blades 23, the stirring blades 23 are used for mixing the material, the top cover 2 is provided with a heat dissipation hole 25 penetrating through the inside, the heat dissipation hole 25 is used for dissipating the heat generated in the processing tank, the outer wall of the top cover 2 is fixedly connected with a handle 26, the handle 26 is used for conveniently opening and closing the top cover 2, the processing tank 1 and the top cover 2 are provided with mounting bolts 27 penetrating through the inside, the mounting bolts 27 are used for fixing the top cover 2 to the processing tank 1, the stirring frame 24 is rotatably connected to the inner wall of the top cover 2, which is used to help stir the material and clean the tank wall, the grinding roller 16 is rotatably connected to the upper surface of the hollow plate 4, and the grinding roller 16 is used to crush the raw materials, the roller 1702 is rotatably connected to the inner wall of the processing tank 1, and the roller 1702 is used to assist the rotation of the fixed rod 15 to reduce friction and improve grinding efficiency.

[0025] Working principle: in use, first, the raw materials are transmitted into the processing tank 1 through the inlet pipe 19, at this time, the raw materials will fall above the hollow plate 4, at this time, the motor 5 is started, at this time, the rotation of the motor 5 will drive the spur gear 7 on the outer wall of the connecting shaft 6 to mesh with the external gear 9, at this time, the rotation of the external gear 9 will drive the fixed cylinder 8 to drive the fixed rod 15 to rotate, at this time, the rotation of the fixed rod 15 will drive the crushing roller 16 to rotate above the hollow plate 4, at this time, the rotation of the fixed rod 15 will drive the roller 1702 to rotate on the inner wall of the processing tank 1, thereby achieving the effect of assisting the fixed rod 15 to rotate quickly, at this time, the movement of the crushing roller 16 will achieve the effect of quickly grinding the raw materials above the hollow plate 4, at this time, the raw materials will fall into the processing tank 1 through the holes in the hollow plate 4, at this time, the rotation of the connecting shaft 6 will drive the rotating rod 11 inside the belt 10 to rotate, at this time, the rotation of the rotating rod 11 will drive the stirring blades 12 to transmit the raw materials from the transmission port 14 to the discharge port 13, at this time, the raw materials will be transmitted back to the hollow plate 4 again, and the effect of secondary grinding is achieved;

[0026] Secondly, at this time through the fixed cylinder 8 synchronous rotation, and then make the stirring blade 23 synchronous rotation effect, at this time through the stirring blade 23 rotation, and then realize the effect of mixing a variety of raw materials evenly, at the same time through the stirring frame 24 on the fixed cylinder 8 outer wall rotation, thereby achieving the effect of scraping the residual raw materials in the processing tank 1 inner wall, at this time through the control valve 21 can realize the effect of quantitative feeding, thereby achieving the effect of preventing the raw materials attached to the processing tank 1 inner wall, when maintenance, by removing the mounting bolt 27, and then through the lifting handle 26, thereby achieving the effect of convenient disassembly of the top cover 2.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A lithium battery positive and negative electrode composite material grinder comprising a processing tank (1), characterized in that: The processing tank (1) upper surface is provided with a top cover (2), the processing tank (1) inner wall is fixedly connected with a connecting frame (3), the connecting frame (3) is fixedly connected with a hollow plate (4) inside, the top cover (2) inner wall is fixedly connected with a motor (5), the motor (5) output end is fixedly connected with a connecting shaft (6), the connecting shaft (6) outer wall is fixedly connected with a straight gear (7), the top cover (2) inside is rotatably connected with a fixed cylinder (8), the fixed cylinder (8) outer wall is fixedly connected with an external gear (9), the external gear (9) is meshed with the straight gear (7), the top cover (2) inside is rotatably connected with a rotating rod (11), the rotating rod (11) outer wall is fixedly connected with a dragon leaf (12), the rotating rod (11) and the connecting shaft (6) are transmission connection through a belt (10), the fixed cylinder (8) inside upper side is throughly provided with a discharge port (13), the fixed cylinder (8) inside lower side is throughly provided with a transmission port (14), the fixed cylinder (8) outer wall is fixedly connected with a fixed rod (15), the fixed rod (15) outer wall is rotatably connected with a grinding roller (16), the grinding roller (16) is internally provided with an auxiliary assembly (17) for facilitating the rotation of the fixed rod (15), the processing tank (1) outer wall is mounted with a supporting assembly (18) for supporting the processing tank (1).

2. The lithium battery positive and negative electrode composite material grinder according to claim 1, characterized in that: The auxiliary assembly (17) comprises a rotating shaft (1701), the rotating shaft (1701) is fixedly connected inside the fixed rod (15), the auxiliary assembly (17) outer wall is rotatably connected with a roller (1702).

3. The lithium battery positive and negative electrode composite material grinder according to claim 2, characterized in that: The supporting assembly (18) comprises a supporting leg (1801), the supporting leg (1801) is fixedly connected to the outer wall of the processing tank (1), and the lower surface of the supporting leg (1801) is fixedly connected with a base (1802).

4. The lithium battery positive and negative electrode composite material grinder according to claim 3, characterized in that: The processing tank (1) outer wall upper side is fixedly connected with an inlet pipe (19), the processing tank (1) outer wall lower side is fixedly connected with an outlet pipe (20), the outlet pipe (20) outer wall is fixedly connected with a valve (21), the fixed cylinder (8) outer wall is fixedly connected with a stirring frame (24), the fixed cylinder (8) outer wall is mounted with a mixing assembly for stirring, the top cover (2) inside is throughly provided with a heat dissipation hole (25), the top cover (2) outer wall is fixedly connected with a handle (26), the processing tank (1) and the top cover (2) inside are throughly provided with mounting bolts (27).

5. The lithium battery positive and negative electrode composite material grinder according to claim 4, characterized in that: The mixing assembly comprises a fixed block (22), the fixed block (22) is fixedly connected to the outer wall of the fixed cylinder (8), and the fixed block (22) is fixedly connected with stirring blades (23).

6. The lithium battery positive and negative composite material grinder according to claim 4, characterized in that: The stirring frame (24) is rotatably connected to the inner wall of the top cover (2), and the stirring frame (24) is used for scraping the inner wall of the processing tank (1).

7. The lithium battery positive and negative composite material grinder according to claim 4, characterized in that: The grinding roller (16) is rotatably connected to the upper surface of the hollow plate (4), and the grinding roller (16) is used for crushing raw materials.

8. The lithium battery positive and negative composite material grinder according to claim 2, characterized in that: The roller (1702) is rotatably connected to the inner wall of the processing tank (1), and the roller (1702) is used for assisting the rotation of the fixed rod (15).

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