CN220878641U

CN220878641U - Mixing device for coating modification of graphite negative electrode material

Info

Publication number: CN220878641U
Application number: CN202322160427.5U
Authority: CN
Inventors: 宫海军
Original assignee: Liaoning Xinruijia Graphite New Material Co ltd
Current assignee: Liaoning Xinruijia Graphite New Material Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-05-03
Anticipated expiration: 2033-08-11

Abstract

The utility model relates to the technical field of coating modification of graphite cathode materials, and belongs to a mixing device for coating modification of graphite cathode materials, which comprises a box body, wherein a shell is fixedly arranged in the box body; a stirring driving mechanism is rotationally arranged in the shell, and the upper end of the stirring mechanism penetrates through the upper end of the shell and is fixedly connected with a cam; slide bars are arranged on two sides of the shell, a sliding groove is formed in the box body, a spring is fixedly connected to one side of each slide bar, and the other end of each spring is fixedly connected with the inner wall of the sliding groove; the slide bar is matched with the cam; the lower end of the sliding rod is fixedly provided with a rubber hammer. The motor is started, the motor drives the stirring shaft to rotate, the stirring shaft drives the cam to rotate, the cam is in contact with the sliding rod, the sliding rod drives the rubber hammer to be away from the shell, when the cam is not contacted with the sliding rod, the sliding rod drives the rubber hammer to move towards the direction of the shell under the action of the spring, and the rubber hammer strikes the shell, so that a mixture adhered on the inner wall of the shell falls off.

Description

Mixing device for coating modification of graphite negative electrode material

Technical Field

The utility model belongs to the field of mixing equipment for coating and modifying a graphite negative electrode material, and relates to a mixing device for coating and modifying a graphite negative electrode material.

Background

The modification process of the graphite anode material needs to be coated for one or more times, and then a coating layer which is complete, uniform and firm in coating is formed on the surface of the graphite, wherein the primary coating of the graphite refers to the graphite with the surface subjected to single coating by the coating agent, and the coating agent adopted in the primary coating process can be a conventional surface coating agent.

When asphalt is used as a primary coating agent, the weighed asphalt powder and graphite powder are fully mixed and then heated to melt and wrap the asphalt powder on the graphite powder, the asphalt powder is generally stirred during the process, and then the asphalt powder is sent into a buffer tank, and the coated graphite powder with the particle size meeting the technological requirements is screened after being fully cooled and sent into the next procedure.

The patent document of CN217614449U discloses a mixing device for coating and modifying graphite cathode materials, which comprises an asphalt powder storage tank and a graphite powder storage tank, wherein a mixing tank is arranged below the asphalt powder storage tank and the graphite powder storage tank, the mixing tank adopts a double-layer structure formed by an inner shell and an outer shell, a cavity between the inner shell and the outer shell is provided with a heating coil, the bottom of the outer shell is provided with a water inlet pipe, the top of the outer shell is provided with a water outlet pipe, and the water outlet pipe and the water inlet pipe are respectively communicated with the cavity between the shells; the mixing tank on be provided with agitating unit, the bottom of mixing tank be provided with the discharging pipe, the below of discharging pipe is provided with the sieving machine, the discharging pipe with the sieving machine feed inlet between be linked together through the second conveyer pipe, the below of sieving thing discharge gate is provided with broken jar. The device mixes graphite and pitch powder in the blending tank, utilizes heating coil to heat the mixture, then cools down it through the hydrologic cycle water conveyer pipe, conveys the sieve shaker with the mixture after the cooling, sorts it after the screening, carries out the cladding treatment that is led to the nothing to different categories, carries out the cladding.

After the mixture is heated and cooled respectively, the device has higher viscosity due to the mixture of the heated asphalt powder and the heated graphite powder, and is easy to adhere to the partition wall of the mixing tank shell; after the mixture of asphalt powder and graphite powder is stirred in the mixing tank, a large-size fixed block can still exist, and the mixture is not easy to convey through the second conveying pipe.

Disclosure of utility model

In order to solve the problems in the background technology, the utility model provides a mixing device for coating modification of a graphite anode material.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a mixing device for coating and modifying graphite cathode materials comprises a box body, wherein a shell is fixedly arranged in the box body; a stirring driving mechanism is rotatably arranged in the shell, and the upper end of the stirring mechanism penetrates through the shell and is fixedly connected with a cam; the box body is provided with a chute, and the cam is rotationally arranged in the chute; slide bars are arranged on the left side and the right side in the slide groove in a sliding manner and are matched with the cam; one side of each sliding rod is fixedly connected with a spring, and the other end of the spring is fixedly connected with the inner wall of the sliding groove; the lower end of each sliding rod is fixedly provided with a rubber hammer.

Further, the stirring driving mechanism comprises a stirring blade, a stupefied cutter and a stirring shaft, the upper end of the box body is fixedly provided with a motor, the stirring shaft is rotatably arranged in the shell, and the upper end of the stirring shaft penetrates through the upper end of the shell and is fixedly connected with the output end of the motor in a coaxial way; the stirring blade is fixedly arranged on the stirring shaft; the stupefied knife is fixedly arranged at the lower part of the stirring shaft.

Further, a water pipe is wound on the outer surface of the shell, a water inlet pipe is fixedly arranged on one side of the shell, a water outlet pipe is fixedly arranged on the other side of the shell, one end of the water pipe extends into the water outlet pipe, and the other end of the water pipe extends into the water inlet pipe;

Further, an oil pipe is wound on the shell, an oil inlet pipe is fixedly arranged on one side of the shell, and an oil outlet pipe is fixedly arranged on the other side of the shell; one end of the oil pipe extends into the oil pipe, and the other end of the oil pipe extends into the oil inlet pipe.

Further, the upper end of the box body is fixedly provided with a feeding pipe, and the feeding pipe penetrates through the box body and the shell and stretches into the shell.

Further, a discharging pipe is fixedly arranged at the bottom end of the box body, an electromagnetic valve is arranged at the upper end of the discharging pipe, and the electromagnetic valve is electrically connected with an external power supply; the shell bottom is provided with a through groove which is communicated with the discharging pipe.

Compared with the prior art, the utility model has the following beneficial effects: the motor is started, the motor drives the stirring shaft to rotate, the stirring shaft drives the cam to rotate, the cam is in contact with the sliding rod, the sliding rod drives the rubber hammer to be away from the shell, when the cam is not contacted with the sliding rod, the sliding rod drives the rubber hammer to move towards the direction of the shell under the action of the spring, and the rubber hammer strikes the shell, so that a mixture adhered on the inner wall of the shell falls off.

Drawings

FIG. 1 is an internal cross-sectional view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the water pipe and the oil pipe in the utility model;

fig. 3 is a schematic view of the structure of the cam in the present utility model.

In the figure: 1. a feed pipe; 2. a motor; 3. a spring; 4. a case; 5. a slide bar; 6. a rubber hammer; 7. stirring blades; 8. a water inlet pipe; 9. an oil inlet pipe; 10. edge knife; 11. an electromagnetic valve; 12. a discharge pipe; 13. a stirring shaft; 14. a housing; 15. a chute; 16. a water pipe; 17. an oil pipe; 18. a cam; 19. a water outlet pipe; 20. and an oil outlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the technical scheme adopted by the utility model is as follows: a mixing device for coating modification of graphite cathode materials comprises a box body 4, wherein a shell 14 is fixedly arranged in the box body 4. A stirring drive mechanism is rotatably provided in the housing 14. The upper end of the box body 4 is fixedly provided with a motor 2. The upper end of the stirring mechanism penetrates through the shell 14 and is fixedly connected with the output shaft of the motor 2. The upper end of the box body 4 is fixedly provided with a feeding pipe 1, and the feeding pipe 1 penetrates through the box body 4 and the shell 14 to extend into the shell 14. The feeding pipe 1 is provided with a valve. The valve is opened to facilitate the transport of the pitch powder and graphite into the housing 14.

The upper end of the box body 4 is provided with a chute 15, and the chute 15 comprises a circular groove and two square grooves. The circular groove is located the middle part of box 4, and two square grooves are located the both sides of circular groove. The round groove is communicated with the square groove. The circular groove is rotatably provided with a cam 18, and the cam 18 is coaxially sleeved on the stirring driving mechanism. The agitation driving mechanism rotates the cam 18. A sliding rod 5 is slidably arranged in each square groove. The slide bar 5 comprises a vertical slide bar and a transverse slide bar. The vertical slide bar is fixedly connected to the side of the lateral slide bar adjacent to the cam 18. The transverse slide bar is in sliding fit with the corresponding square groove. The cam 18 cooperates with the transverse slide bar. In the process of rotating the cam 18, the cam 18 rotates to a certain angle, the cam 18 is aligned with the transverse sliding rod, the cam 18 extrudes the transverse sliding rod, so that the transverse sliding rod moves into the square groove, and the transverse sliding rod extrudes the spring 3; the cam 18 continues to rotate, the cam 18 is dislocated with the transverse slide rod, and the transverse slide rod returns to the original position under the action of the spring 3. The lower part of the vertical slide bar is fixedly provided with a rubber hammer 6. The vertical slide bar drives the rubber hammer 6 to move left and right.

The driving mechanism comprises a stirring shaft 13, a stirring blade 7 and a plurality of blades 10. The stirring shaft 13 is rotatably disposed within the housing 14. Specifically, the lower end of the stirring shaft 13 is rotationally connected with the bottom end of the shell 14, and the upper end of the stirring shaft 13 passes through the shell 14 and the upper end of the box 4 to be coaxially and fixedly connected with the output end of the motor 2. The stirring shaft 13 is fixedly connected with the cam 18 coaxially. The motor 2 drives the stirring shaft 13 to rotate. The stirring blade 7 is wound around the stirring shaft 13. A plurality of blades 10 are fixedly arranged at the lower part of the stirring shaft 13. The knife 10 facilitates breaking up the larger area of the mixture.

The outer surface of the housing 14 is surrounded by a water tube 16. A water inlet pipe 8 is fixedly arranged at the lower part of one side of the shell 14. The water inlet pipe 8 is provided with a valve. A water outlet pipe 19 is fixedly arranged on the other side of the shell 14. One end of the water pipe 16 extends into the water inlet pipe 8, and the other end of the water pipe 16 extends into the water outlet pipe 19. The outer surface of the shell 14 is wound with an oil pipe 17. An oil inlet pipe 9 is fixedly arranged on one side of the shell 14. The oil inlet pipe 9 is provided with a valve. The other side of the housing 14 is fixedly provided with an oil outlet pipe 20. One end of the oil pipe 17 extends into the oil inlet pipe 9, and the other end of the oil pipe 17 extends into the oil outlet pipe 20.

The bottom end of the box body 4 is fixedly provided with a discharging pipe 12. The upper end of the discharging pipe 12 is provided with an electromagnetic valve 11. The solenoid valve 11 is electrically connected to an external power source. The bottom end of the shell 14 is provided with a through groove which is communicated with the discharging pipe 12.

In summary, the initial state cam 18 is offset from the lateral slide bar.

Pitch powder and graphite are transported from within the feed tube 1 to the interior of the housing 14. And the motor 2 is started, the motor 2 drives the stirring shaft 13 to rotate, and the stirring shaft 13 drives the stirring blade 7 to rotate, so that the asphalt powder and the graphite are fully mixed. The valve on the oil inlet pipe 9 is opened, oil is conveyed into the oil pipe 17 through the oil inlet pipe 9, the mixture is heated, and the hot oil flows out from the oil outlet pipe 20. After the mixture has been heated, the valve on the inlet pipe 8 is opened and water is fed through the inlet pipe 8 into the water pipe 16, cooling the mixture.

When the stirring shaft 13 rotates, the stirring shaft 13 simultaneously drives the cam 18 to rotate. When the cam 18 is opposite to the transverse slide bar, the cam 18 presses the transverse slide bar, the transverse slide bar presses the spring 3, and the transverse slide bar moves into the square groove. The cam 18 continues to rotate, the cam 18 is staggered with the transverse sliding rod, the transverse sliding rod drives the vertical sliding rod to move inwards under the action of the spring 3, the vertical sliding rod drives the rubber hammer 6 to approach the shell 14, the rubber hammer 6 hits the outer wall of the shell 14, and the mixture adhered to the inner wall of the shell 14 is knocked off.

Simultaneously, the stirring shaft 13 drives the stupefied knife 10 to rotate, and the stupefied knife 10 on the stirring shaft 13 pulverizes the mixture with larger area. The solenoid valve 11 is opened and the mixture is discharged through the discharge pipe 12.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A mixing device for coating modification of a graphite anode material, comprising: the stirring device comprises a box body (4), wherein a shell (14) is fixedly arranged in the box body (4), a stirring driving mechanism is rotationally arranged in the shell (14), and the upper end of the stirring mechanism penetrates through the shell (14) and is fixedly connected with a cam (18); a chute (15) is formed in the box body (4), and a cam (18) is rotatably arranged in the chute (15); slide bars (5) are arranged on the left side and the right side of the slide groove (15) in a sliding manner, and the slide bars (5) are matched with a cam (18); one side of each sliding rod (5) is fixedly connected with a spring (3), and the other end of the spring (3) is fixedly connected with the inner wall of the sliding groove (15); the lower end of each sliding rod (5) is fixedly provided with a rubber hammer (6).

2. The mixing device for coating modification of graphite anode material according to claim 1, wherein: the stirring driving mechanism comprises a stirring blade (7), a stupefied cutter (10) and a stirring shaft (13), a motor (2) is fixedly arranged at the upper end of the box body (4), the stirring shaft (13) is rotatably arranged in the shell (14), and the upper end of the stirring shaft (13) penetrates through the upper end of the shell (14) and is fixedly connected with the output end of the motor (2) in a coaxial manner; the stirring blade (7) is fixedly arranged on the stirring shaft (13); the stupefied knife (10) is fixedly arranged at the lower part of the stirring shaft (13).

3. The mixing device for coating modification of graphite anode material according to claim 1, wherein: the water pipe (16) is wound on the outer surface of the shell (14), the water inlet pipe (8) is fixedly arranged on one side of the shell (14), the water outlet pipe (19) is fixedly arranged on the other side of the shell (14), one end of the water pipe (16) extends into the water outlet pipe (19), and the other end of the water pipe (16) extends into the water inlet pipe (8).

4. The mixing device for coating modification of graphite anode material according to claim 1, wherein: an oil pipe (17) is wound on the shell (14), an oil inlet pipe (9) is fixedly arranged on one side of the shell (14), and an oil outlet pipe (20) is fixedly arranged on the other side of the shell (14); one end of the oil pipe (17) extends into the oil outlet pipe (20), and the other end of the oil pipe (17) extends into the oil inlet pipe (9).

5. The mixing device for coating modification of graphite anode material according to claim 1, wherein: the upper end of the box body (4) is fixedly provided with a feeding pipe (1), and the feeding pipe (1) penetrates through the box body (4) and the shell (14) to extend into the shell (14).

6. The mixing device for coating modification of graphite anode material according to claim 1, wherein: a discharging pipe (12) is fixedly arranged at the bottom end of the box body (4), an electromagnetic valve (11) is arranged on the discharging pipe (12), and the electromagnetic valve (11) is electrically connected with an external power supply; the bottom end of the shell (14) is provided with a through groove which is communicated with the discharging pipe (12).