Graphite multi-stage screening device

By designing a graphite multi-stage separation device including sealing, screening, air selection and cleaning mechanisms, the problem of inconvenience in screen cleaning and ink collection caused by the simple structure of the existing device is solved, and higher practicality is achieved.

CN222984913UActive Publication Date: 2025-06-17SHANDONG HAIJIN GRAPHITE TECH CO LTD
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Patent Information

Application Number
CN202422035890.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-06-17
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

The existing graphite sieve device has a simple structure and is not convenient for screen cleaning and graphite ink collection, resulting in poor practicality.

Method used

A graphite multi-stage screening device is designed, including a sealing mechanism, a screening mechanism, an air selection mechanism and a cleaning mechanism. Graphite is poured into the sealing mechanism, the screening mechanism performs multi-stage screening, the air-selecting mechanism collects ink, and the cleaning mechanism cleans up the blocked screening mechanism, thereby improving the practicality of the equipment.

Benefits of technology

Through the design of this device, multi-stage screening of graphite and effective collection of ink are realized, and cleaned when the screening mechanism is blocked, which significantly improves the practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of graphite screening, in particular to a multi-stage graphite screening device which is characterized in that graphite is poured into a sealing mechanism, multi-stage screening is carried out on the graphite through a screening mechanism, then graphite powder is collected through a winnowing mechanism, and when the screening mechanism is blocked, cleaning is carried out through a cleaning mechanism and the screening mechanism. The practicability of the equipment is improved; comprising a sealing mechanism; the device further comprises a screening mechanism, a winnowing mechanism and a cleaning mechanism, and the screening mechanism, the winnowing mechanism and the cleaning mechanism are all installed on the sealing mechanism. The screening mechanism is matched with the sealing mechanism to screen graphite, the winnowing mechanism collects graphite powder, and the cleaning mechanism cleans the screening mechanism.
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Description

Technical Field

[0001] The utility model relates to the technical field of graphite screening, in particular to a graphite multi-stage screening device. Background Technique

[0002] Graphite is a mineral in the form of carbon atoms and is also a very important industrial material. Before processing, graphite needs to be screened. Generally, a screening device for graphite production disclosed in the utility model patent with the publication number CN209287695U and a graphite screening device disclosed in the utility model patent with the publication number CN208839971U, etc., are used to screen graphite.

[0003] However, it is found in the use process that the existing screening device has a relatively simple structure, is not convenient for cleaning the sieve plate, and is not convenient for collecting graphite powder, resulting in poor practicability. Therefore, there is an urgent need for a graphite multi-stage screening device to improve the above problems. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a graphite multi-stage screening device, which pours graphite into a sealing mechanism, conducts multi-stage screening on the graphite through a screening mechanism, then collects the graphite powder through a pneumatic separation mechanism, and cleans the screening mechanism through a cleaning mechanism when the screening mechanism is blocked, thereby improving the practicability of the equipment.

[0005] A graphite multi-stage screening device of the utility model includes a sealing mechanism; it also includes a screening mechanism, a pneumatic separation mechanism, and a cleaning mechanism, and the screening mechanism, the pneumatic separation mechanism, and the cleaning mechanism are all installed on the sealing mechanism;

[0006] The screening mechanism cooperates with the sealing mechanism to screen graphite, the pneumatic separation mechanism collects graphite powder, and the cleaning mechanism cleans the screening mechanism;

[0007] Pour graphite into the sealing mechanism, conduct multi-stage screening on the graphite through the screening mechanism, then collect the graphite powder through the pneumatic separation mechanism, and clean the screening mechanism through the cleaning mechanism when the screening mechanism is blocked, thereby improving the practicability of the equipment.

[0008] Preferably, the sealing mechanism includes a feeding mechanism, a base, a screening box, a first sealing door, multiple storage boxes, and multiple second sealing doors. The screening box is installed at the top of the base, the feeding mechanism is installed on the top of the screening box, the first sealing door is installed at the bottom of the screening box, multiple storage boxes are all installed on the screening box, and multiple storage boxes are all communicated with the inside of the screening box. Multiple second sealing doors are respectively installed on multiple storage boxes. The graphite is discharged into the screening box through the feeding mechanism, so that the screening mechanism screens the graphite. After that, the screened graphite is collected through multiple storage boxes. After the screening is completed, the graphite at the bottom of the screening box and in multiple storage boxes is discharged by opening the first sealing door and multiple storage boxes, thereby improving the practicability of the equipment.

[0009] Preferably, the feeding mechanism includes a conveying box, a feeding valve, a first motor, and a screw conveyor shaft. The conveying box is installed at the top of the screening box, and the inside of the conveying box is communicated with the inside of the screening box. The feeding valve is installed at the top of the conveying box, the first motor is installed on the conveying box, one end of the screw conveyor shaft is connected to the output shaft of the first motor, and the other end of the screw conveyor shaft extends into the inside of the conveying box. Open the feeding valve, pour the graphite into the conveying box, open the first motor, drive the screw conveyor shaft to rotate, and uniformly discharge the graphite into the screening box, thereby improving the practicability of the equipment.

[0010] Preferably, the screening mechanism includes multiple support plates, multiple sieve plates, and multiple first vibration motors. Multiple support plates are all installed on the inner wall of the screening box, multiple sieve plates are all installed on the cleaning mechanism, and the mesh holes of multiple sieve plates gradually become smaller from top to bottom. Multiple first vibration motors are respectively installed on the sieve plates. Through multiple first vibration motors, multiple sieve plates vibrate to perform multi-stage screening on the graphite discharged into the screening box. After that, the screened graphite is respectively discharged into multiple storage boxes through multiple sieve plates to complete the classification of the graphite, thereby improving the practicability of the equipment.

[0011] Preferably, the pneumatic separation mechanism includes multiple groups of intake pipes, multiple groups of exhaust fans, a conveying pipe, a centralized box, multiple groups of filter screens, and an exhaust pump. The multiple groups of intake pipes are all installed at the right end of the screening box. The multiple groups of exhaust fans are respectively installed on the multiple groups of intake pipes, and all the multiple groups of exhaust fans are located inside the screening box. The conveying pipe is installed at the left end of the screening box and is communicated with the inside of the screening box. The centralized box is installed on the top of the screening box, and the top end of the conveying pipe extends into the inside of the centralized box. A discharge door is arranged on the top of the centralized box. The exhaust pump is installed at the left end of the centralized box, and the suction port of the exhaust pump is communicated with the inside of the centralized box. The multiple groups of filter screens are all installed inside the centralized box and are all located between the exhaust pump and the conveying pipe. Open the multiple groups of exhaust fans to blow the graphite in the screening box, so that the powdered graphite enters the conveying pipe. At the same time, open the exhaust pump to discharge the air in the centralized box, so that a negative pressure environment is formed inside the centralized box, and the powdered graphite in the conveying pipe is discharged into the centralized box. The powdered graphite in the centralized box is blocked by the multiple groups of filter screens, and the powdered graphite is collected in the centralized box. Then open the discharge door of the centralized box to discharge the powdered graphite, thereby improving the practicability of the equipment.

[0012] Preferably, the cleaning mechanism includes multiple groups of support shafts, multiple groups of second motors, multiple groups of shock-absorbing plates, multiple groups of second vibration motors, and multiple groups of cleaning brushes. The multiple groups of support shafts are all rotatably installed inside the screening box. The multiple groups of second motors are all installed at the front end of the screening box, and the front ends of the multiple groups of support shafts are respectively connected to the output shafts of the multiple groups of second motors. The multiple groups of sieve plates are respectively installed on the multiple groups of support shafts. The multiple groups of shock-absorbing plates are all installed at the right end inside the screening box. The multiple groups of second vibration motors are respectively installed on the multiple groups of shock-absorbing plates. The multiple groups of cleaning brushes are respectively installed on the multiple groups of second vibration motors. Open the second motors to drive the support shafts to rotate and erect the sieve plates. Then open the second vibration motors to make the cleaning brushes vibrate and clean the surface of the sieve plates, thereby improving the practicability of the equipment.

[0013] Preferably, a shock absorber is arranged between the sieve plate and the support shaft; the influence of the first vibration motor on the second motor is reduced through the shock absorber, thereby improving the practicability of the equipment.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: Pour the graphite into the sealing mechanism, perform multi-stage screening on the graphite through the screening mechanism, and then collect the graphite powder through the pneumatic separation mechanism. When the screening mechanism is blocked, clean the screening mechanism through the cleaning mechanism, thereby improving the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the axonometric structural schematic diagram of the present utility model;

[0016] Figure 2 is the front view structural schematic diagram of the present utility model;

[0017] Figure 3 is the front view sectional structure diagram of the present utility model;

[0018] Figure 4 is of the present utility model Figure 3 the enlarged structure diagram of part A in

[0019] Reference signs in the drawings: 1, base; 2, sieve box; 3, first sealing door; 4, storage box; 5, second sealing door; 6, conveying box; 7, feeding valve; 8, first motor; 9, spiral conveying shaft; 10, support plate; 11, sieve plate; 12, first vibration motor; 13, intake pipe; 14, exhaust fan; 15, conveying pipe; 16, concentration box; 17, filter screen; 18, exhaust pump; 19, support shaft; 20, second motor; 21, shock-absorbing plate; 22, second vibration motor; 23, cleaning brush; 24, shock absorber. Detailed implementation manners

[0020] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive. Embodiment 1

[0021] A graphite multi-stage screening device includes a sealing mechanism; it further includes a screening mechanism, a pneumatic separation mechanism, and a cleaning mechanism, and the screening mechanism, the pneumatic separation mechanism, and the cleaning mechanism are all installed on the sealing mechanism;

[0022] The screening mechanism cooperates with the sealing mechanism to screen graphite, the pneumatic separation mechanism collects graphite powder, and the cleaning mechanism cleans the screening mechanism;

[0023] The sealing mechanism includes a feeding mechanism, a base 1, a sieve box 2, a first sealing door 3, multiple groups of storage boxes 4, and multiple groups of second sealing doors 5. The sieve box 2 is installed at the top of the base 1, the feeding mechanism is installed at the top of the sieve box 2, the first sealing door 3 is installed at the bottom of the sieve box 2, multiple groups of storage boxes 4 are all installed on the sieve box 2, and multiple groups of storage boxes 4 are all communicated with the inside of the sieve box 2. Multiple groups of second sealing doors 5 are respectively installed on multiple groups of storage boxes 4;

[0024] The feeding mechanism includes a conveying box 6, a feeding valve 7, a first motor 8, and a spiral conveying shaft 9. The conveying box 6 is installed at the top of the sieve box 2, and the inside of the conveying box 6 is communicated with the inside of the sieve box 2. The feeding valve 7 is installed at the top of the conveying box 6, the first motor 8 is installed on the conveying box 6, one end of the spiral conveying shaft 9 is connected to the output shaft of the first motor 8, and the other end of the spiral conveying shaft 9 extends into the inside of the conveying box 6;

[0025] The screening mechanism includes multiple groups of support plates 10, multiple groups of sieve plates 11, and multiple groups of first vibration motors 12. The multiple groups of support plates 10 are all installed on the inner wall of the screening box 2. The multiple groups of sieve plates 11 are all installed on the cleaning mechanism, and the mesh holes of the multiple groups of sieve plates 11 gradually become smaller from top to bottom. The multiple groups of first vibration motors 12 are respectively installed on the sieve plates 11;

[0026] The air separation mechanism includes multiple groups of intake pipes 13, multiple groups of exhaust fans 14, a conveying pipe 15, a centralized box 16, multiple groups of filter meshes 17, and an exhaust pump 18. The multiple groups of intake pipes 13 are all installed at the right end of the screening box 2. The multiple groups of exhaust fans 14 are respectively installed on the multiple groups of intake pipes 13, and the multiple groups of exhaust fans 14 are all located inside the screening box 2. The conveying pipe 15 is installed at the left end of the screening box 2, and the conveying pipe 15 communicates with the inside of the screening box 2. The centralized box 16 is installed on the top of the screening box 2, and the top end of the conveying pipe 15 extends into the inside of the centralized box 16. A discharge door is arranged on the top of the centralized box 16. The exhaust pump 18 is installed at the left end of the centralized box 16, and the suction port of the exhaust pump 18 communicates with the inside of the centralized box 16. The multiple groups of filter meshes 17 are all installed inside the centralized box 16, and the multiple groups of filter meshes 17 are all located between the exhaust pump 18 and the conveying pipe 15;

[0027] The cleaning mechanism includes multiple groups of support shafts 19, multiple groups of second motors 20, multiple groups of shock-absorbing plates 21, multiple groups of second vibration motors 22, and multiple groups of cleaning brushes 23. The multiple groups of support shafts 19 are all rotatably installed inside the screening box 2. The multiple groups of second motors 20 are all installed at the front end of the screening box 2, and the front ends of the multiple groups of support shafts 19 are respectively connected to the output shafts of the multiple groups of second motors 20. The multiple groups of sieve plates 11 are respectively installed on the multiple groups of support shafts 19. The multiple groups of shock-absorbing plates 21 are all installed at the right end inside the screening box 2. The multiple groups of second vibration motors 22 are respectively installed on the multiple groups of shock-absorbing plates 21. The multiple groups of cleaning brushes 23 are respectively installed on the multiple groups of second vibration motors 22;

[0028] Open the feed valve 7, pour the graphite into the conveying box 6, turn on the first motor 8, drive the spiral conveying shaft 9 to rotate, and evenly discharge the graphite into the sub-screening box 2. Vibrate the multiple groups of sieve plates 11 through multiple groups of first vibration motors 12 to perform multi-stage screening on the graphite discharged into the sub-screening box 2. Then, the screened graphite is respectively discharged into the multiple groups of storage boxes 4 through the multiple groups of sieve plates 11 to complete the classification of the graphite. At the same time, turn on the multiple groups of exhaust fans 14 to blow the graphite in the sub-screening box 2, so that the powdered graphite enters the conveying pipe 15. At the same time, turn on the exhaust pump 18 to exhaust the air in the concentration box 16, so that the inside of the concentration box 16 forms a negative pressure. The powdered graphite in the conveying pipe 15 is discharged into the concentrated box 16 under a pressure environment, and the powdered graphite in the concentrated box 16 is blocked by multiple groups of filter screens 17, and the powdered graphite is stored in the concentrated box 16. Then, the discharge door of the concentrated box 16 is opened to discharge the powdered graphite. After screening, the first sealing door 3 and multiple groups of second sealing doors 5 are opened to discharge the graphite in the bottom of the screening box 2 and the storage box 4, and then the second motor 20 is turned on to drive the support shaft 19 to rotate and erect the sieve plate 11. Then, the second vibration motor 22 is turned on to vibrate the cleaning brush 23 to clean the surface of the sieve plate 11, thereby improving the practicability of the equipment. Example 2

[0029] like Figures 1 to 4 As shown, a graphite multi-stage screening device includes a sealing mechanism; a screening mechanism, an air selection mechanism and a cleaning mechanism, wherein the screening mechanism, the air selection mechanism and the cleaning mechanism are all installed on the sealing mechanism;

[0030] The screening mechanism cooperates with the sealing mechanism to screen the graphite, the air selection mechanism collects the graphite powder, and the cleaning mechanism cleans the screening mechanism;

[0031] The sealing mechanism comprises a feeding mechanism, a base 1, a screening box 2, a first sealing door 3, a plurality of storage boxes 4 and a plurality of second sealing doors 5. The screening box 2 is mounted on the top of the base 1, the feeding mechanism is mounted on the top of the screening box 2, the first sealing door 3 is mounted on the bottom of the screening box 2, the plurality of storage boxes 4 are mounted on the screening box 2, and the plurality of storage boxes 4 are communicated with the interior of the screening box 2, and the plurality of second sealing doors 5 are respectively mounted on the plurality of storage boxes 4;

[0032] The feeding mechanism includes a conveying box 6, a feed valve 7, a first motor 8 and a screw conveying shaft 9. The conveying box 6 is installed at the top of the sub-screening box 2, and the interior of the conveying box 6 is communicated with the interior of the sub-screening box 2. The feed valve 7 is installed at the top of the conveying box 6, the first motor 8 is installed on the conveying box 6, one end of the screw conveying shaft 9 is connected to the output shaft of the first motor 8, and the other end of the screw conveying shaft 9 extends to the interior of the conveying box 6;

[0033] The screening mechanism includes multiple groups of support plates 10, multiple groups of sieve plates 11, and multiple groups of first vibration motors 12. The multiple groups of support plates 10 are all installed on the inner wall of the screening box 2. The multiple groups of sieve plates 11 are all installed on the cleaning mechanism, and the mesh holes of the multiple groups of sieve plates 11 gradually become smaller from top to bottom. The multiple groups of first vibration motors 12 are respectively installed on the sieve plates 11;

[0034] The air separation mechanism includes multiple groups of intake pipes 13, multiple groups of exhaust fans 14, a conveying pipe 15, a centralized box 16, multiple groups of filter meshes 17, and an exhaust pump 18. The multiple groups of intake pipes 13 are all installed at the right end of the screening box 2. The multiple groups of exhaust fans 14 are respectively installed on the multiple groups of intake pipes 13, and the multiple groups of exhaust fans 14 are all located inside the screening box 2. The conveying pipe 15 is installed at the left end of the screening box 2, and the conveying pipe 15 communicates with the inside of the screening box 2. The centralized box 16 is installed on the top of the screening box 2, and the top end of the conveying pipe 15 extends into the inside of the centralized box 16. A discharge door is arranged on the top of the centralized box 16. The exhaust pump 18 is installed at the left end of the centralized box 16, and the suction port of the exhaust pump 18 communicates with the inside of the centralized box 16. The multiple groups of filter meshes 17 are all installed inside the centralized box 16, and the multiple groups of filter meshes 17 are all located between the exhaust pump 18 and the conveying pipe 15;

[0035] The cleaning mechanism includes multiple groups of support shafts 19, multiple groups of second motors 20, multiple groups of shock-absorbing plates 21, multiple groups of second vibration motors 22, and multiple groups of cleaning brushes 23. The multiple groups of support shafts 19 are all rotatably installed inside the screening box 2. The multiple groups of second motors 20 are all installed at the front end of the screening box 2, and the front ends of the multiple groups of support shafts 19 are respectively connected to the output shafts of the multiple groups of second motors 20. The multiple groups of sieve plates 11 are respectively installed on the multiple groups of support shafts 19. The multiple groups of shock-absorbing plates 21 are all installed at the right end inside the screening box 2. The multiple groups of second vibration motors 22 are respectively installed on the multiple groups of shock-absorbing plates 21. The multiple groups of cleaning brushes 23 are respectively installed on the multiple groups of second vibration motors 22;

[0036] A shock absorber 24 is arranged between the sieve plate 11 and the support shaft 19;

[0037] Open the feed valve 7, pour the graphite into the conveying box 6, turn on the first motor 8, drive the spiral conveying shaft 9 to rotate, and evenly discharge the graphite into the screening box 2. Vibrate the multiple groups of sieve plates 11 through multiple groups of first vibration motors 12 to perform multi-stage screening on the graphite discharged into the screening box 2. At the same time, reduce the impact of the first vibration motor 12 on the second motor 20 through the shock absorber 24. Then, discharge the screened graphite into the multiple groups of storage boxes 4 through the multiple groups of sieve plates 11 to complete the classification of the graphite. At the same time, turn on the multiple groups of exhaust fans 14 to blow the graphite in the screening box 2, so that the powdered graphite enters the conveying pipe 15. At the same time, turn on the exhaust pump 18 to exhaust the air in the concentration box 16. The powdered graphite in the conveying pipe 15 is discharged to form a negative pressure environment inside the central box 16, and the powdered graphite in the central box 16 is blocked by multiple groups of filter screens 17, and the powdered graphite is stored in the central box 16. Then, the discharge door of the central box 16 is opened to discharge the powdered graphite. After screening, the first sealing door 3 and multiple groups of second sealing doors 5 are opened to discharge the graphite in the bottom of the screening box 2 and the storage box 4, and then the second motor 20 is turned on to drive the support shaft 19 to rotate and erect the sieve plate 11. Then, the second vibration motor 22 is turned on to vibrate the cleaning brush 23 to clean the surface of the sieve plate 11, thereby improving the practicability of the equipment.

[0038] The first motor 8, the first vibration motor 12, the exhaust fan 14, the exhaust pump 18, the second motor 20, the second vibration motor 22 and the shock absorber 24 of the graphite multi-stage screening device of the utility model are purchased on the market. The technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A graphite multi-stage screening device, comprising a sealing mechanism; characterized in that: It also includes a screening mechanism, a wind selection mechanism and a cleaning mechanism, and the screening mechanism, the wind selection mechanism and the cleaning mechanism are all installed on the sealing mechanism; The screening mechanism cooperates with the sealing mechanism to screen the graphite, the air selection mechanism collects the graphite powder, and the cleaning mechanism cleans the screening mechanism.

2. A graphite multi-stage screening device as claimed in claim 1, characterized in that: The sealing mechanism comprises a feeding mechanism, a base (1), a screening box (2), a first sealing door (3), a plurality of storage boxes (4) and a plurality of second sealing doors (5); the screening box (2) is mounted on the top of the base (1); the feeding mechanism is mounted on the top of the screening box (2); the first sealing door (3) is mounted on the bottom of the screening box (2); the plurality of storage boxes (4) are mounted on the screening box (2); the plurality of storage boxes (4) are communicated with the interior of the screening box (2); and the plurality of second sealing doors (5) are respectively mounted on the plurality of storage boxes (4).

3. A graphite multi-stage screening device as claimed in claim 2, characterized in that: The feeding mechanism comprises a conveying box (6), a feed valve (7), a first motor (8) and a screw conveying shaft (9); the conveying box (6) is mounted on the top of the screening box (2), and the interior of the conveying box (6) is communicated with the interior of the screening box (2); the feed valve (7) is mounted on the top of the conveying box (6), the first motor (8) is mounted on the conveying box (6), one end of the screw conveying shaft (9) is connected to the output shaft of the first motor (8), and the other end of the screw conveying shaft (9) extends to the interior of the conveying box (6).

4. A graphite multi-stage screening device as claimed in claim 2, characterized in that: The screening mechanism comprises a plurality of groups of support plates (10), a plurality of groups of sieve plates (11) and a plurality of groups of first vibration motors (12); the plurality of groups of support plates (10) are mounted on the inner wall of the screening box (2); the plurality of groups of sieve plates (11) are mounted on the cleaning mechanism; and the mesh openings of the plurality of groups of sieve plates (11) gradually decrease from top to bottom; and the plurality of groups of first vibration motors (12) are respectively mounted on the sieve plates (11).

5. A graphite multi-stage screening device as claimed in claim 2, characterized in that: The air selection mechanism comprises a plurality of air intake pipes (13), a plurality of exhaust fans (14), a delivery pipe (15), a concentration box (16), a plurality of filter screens (17) and an exhaust pump (18), wherein the plurality of air intake pipes (13) are installed at the right end of the screening box (2), the plurality of exhaust fans (14) are installed on the plurality of air intake pipes (13) respectively, and the plurality of exhaust fans (14) are located inside the screening box (2), the delivery pipe (15) is installed at the left end of the screening box (2), and the delivery pipe (15) is connected to the screening box (2). The interior of the central box (16) is communicated with each other, the central box (16) is installed on the top of the screening box (2), and the top end of the delivery pipe (15) extends to the interior of the central box (16), a discharge door is provided on the top of the central box (16), an exhaust pump (18) is installed on the left end of the central box (16), an air intake port of the exhaust pump (18) is communicated with the interior of the central box (16), multiple groups of filter screens (17) are installed in the interior of the central box (16), and the multiple groups of filter screens (17) are located between the exhaust pump (18) and the delivery pipe (15).

6. A graphite multi-stage screening device as claimed in claim 4, characterized in that: The cleaning mechanism comprises a plurality of support shafts (19), a plurality of second motors (20), a plurality of damping plates (21), a plurality of second vibration motors (22) and a plurality of cleaning brushes (23). The plurality of support shafts (19) are rotatably mounted inside the screening box (2). The plurality of second motors (20) are mounted at the front end of the screening box (2). The front ends of the plurality of support shafts (19) are respectively connected to the output shafts of the plurality of second motors (20). The plurality of screening plates (11) are respectively mounted on the plurality of support shafts (19). The plurality of damping plates (21) are respectively mounted at the right end inside the screening box (2). The plurality of second vibration motors (22) are respectively mounted on the plurality of damping plates (21). The plurality of cleaning brushes (23) are respectively mounted on the plurality of second vibration motors (22).

7. A graphite multi-stage screening device as claimed in claim 6, characterized in that: A shock absorber (24) is provided between the screen plate (11) and the support shaft (19).

Citation Information

Patent Citations

  • Graphite screening device

    CN208839971U

  • Screening device for graphite production

    CN209287695U