Powder winnowing device

By designing a powder air selection device including a cutting assembly, a blower and a magnetic suction connection, the problems of uneven cutting and incomplete collection in the existing device are solved, and uniform cutting and efficient air selection of graphite powder are achieved, and the air selection quality and collection efficiency are improved.

CN222885700UActive Publication Date: 2025-05-20ZHONGYI GRP (JILIN) NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202421572808.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-05-20
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

The existing powder air selection device is difficult to control the amount of discharged, resulting in poor air selection quality, and during collection, some powder may leak through the gap, affecting the collection quality.

Method used

A powder air selection device is designed, including a feeding assembly, a blower, an air outlet duct, a filter net, multiple discharge pipes and a collection cloth bag. The servo motor drives the material separation column to achieve uniform discharge of graphite powder, and air selection is performed through the blower and the air outlet duct. Powders of different sizes fall into the collection cloth bag through the corresponding discharge pipes. The collection bag and the discharge pipe are connected through a magnetic suction frame for easy disassembly and installation.

Benefits of technology

The uniform feeding and efficient air selection of graphite powder is achieved, ensuring uniform collection of powder, reducing powder leakage, and improving air selection quality and collection efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222885700U_ABST
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Abstract

The utility model discloses a powder winnowing device which comprises a machine body, an air blower is fixedly connected to one side of the machine body, the output end of the air blower penetrates through the machine body and is fixedly connected with an air outlet pipe, a filter screen is fixedly connected to the other side of the machine body, and a discharging assembly is fixedly connected to one side of the top end of the machine body. A plurality of discharging pipes are fixedly connected to the bottom end of the machine body, a collecting cloth bag is arranged at the bottom end of the magnetic attraction frame, and the magnetic attraction frame is fixedly connected to the bottom ends of the discharging pipes and the top end of the collecting cloth bag. According to the device, graphite micro powder can be evenly discharged through the arranged discharging assembly, the discharged graphite micro powder can be winnowed through the arranged air blower and the arranged air outlet pipe, the moving distances of the graphite micro powder of different sizes are different, and the graphite micro powder can be discharged through the corresponding discharging pipes and fall into the corresponding collecting cloth bags; and the collecting cloth bag is in magnetic attraction connection with the discharging pipe through the magnetic attraction frame, so that dismounting and mounting are facilitated, and connection is tighter.
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Description

Technical Field

[0001] The utility model relates to the technical field of air separation devices, in particular to a powder air separation device. Background Art

[0002] Currently, graphite micropowder is mainly used as the negative electrode material of the conductive negative electrode of lithium-ion secondary batteries, and its particle size is usually between 3μm and 30μm. In actual applications, to meet different process requirements, graphite needs to be classified by different particle sizes. Currently, an air separation device is often used to screen the graphite negative electrode material powder, and during the screening process, the powder is often placed into the air separation cylinder from the feeding cylinder for separation.

[0003] The existing powder air separation device is difficult to control the feeding amount, and it is easy to have uneven feeding during feeding, which will affect the air separation quality. Moreover, during collection, some powder may leak out from the gap between the discharge port and the collection bag, affecting the collection quality. To overcome these disadvantages, the utility model provides a powder air separation device. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and a powder air separation device is proposed.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a powder air separation device, including a machine body, one side of the machine body is fixedly connected with a blower, the output end of the blower penetrates through the machine body and is fixedly connected with an air outlet pipe, the other side of the machine body is fixedly connected with a filter screen, one side of the top of the machine body is fixedly connected with a feeding assembly, the bottom of the machine body is fixedly connected with a plurality of discharge pipes, a collection cloth bag is arranged at the bottom of the discharge pipe, and a magnetic adsorption frame is fixedly connected between the bottom of the discharge pipe and the top of the collection cloth bag.

[0006] Further, a plurality of support feet are fixedly connected to the bottom of the machine body.

[0007] Further, the magnetic adsorption frame at the bottom of the discharge pipe is magnetically connected with the magnetic adsorption frame at the top of the corresponding collection cloth bag.

[0008] Further, the feeding assembly includes a feeding hopper fixedly connected to the machine body, and a storage hopper is fixedly connected to the top of the feeding hopper.

[0009] Further, the bottom of the feeding hopper penetrates through the top of the machine body and is connected to its interior, and a distribution housing is fixedly connected to the feeding hopper.

[0010] Further, a distribution column is rotatably connected inside the distribution housing, and a plurality of grooves are formed on the side surface of the distribution column.

[0011] Further, one end of the material distribution housing is fixedly connected to a servo motor, and the output end of the servo motor penetrates through the side surface of the material distribution housing and is fixedly connected to one end of the material distribution column.

[0012] Advantages of the present utility model:

[0013] When the present utility model is in use, in this powder pneumatic separation device, the feeding assembly can uniformly feed the graphite micro powder. The blower and the air outlet pipe can pneumatically separate the fed graphite micro powder. Graphite micro powders of different sizes move different distances and will be discharged through the corresponding discharge pipes and fall into the corresponding collection cloth bags. The collection cloth bags are magnetically connected to the discharge pipes through magnetic frames, which is convenient for disassembly and installation and has a tighter connection. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions of the present utility model, the drawings required for use in the following description of the specific embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 : Front view of the present utility model;

[0016] Figure 2 : Bottom view of the present utility model;

[0017] Figure 3 : Overall structural schematic diagram of the present utility model.

[0018] The reference numerals are as follows:

[0019] 1, machine body; 2, support feet; 3, discharge pipe; 4, collection cloth bag; 5, feed hopper; 6, material distribution housing; 7, storage hopper; 8, servo motor; 9, blower; 10, filter screen; 11, material distribution column; 12, air outlet pipe; 13, magnetic frame. Specific Embodiments

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0021] Such as Figures 1 - 3As shown in the figure, it relates to a powder air separation device, including a machine body 1. One side of the machine body 1 is fixedly connected with a blower 9. The output end of the blower 9 penetrates through the machine body 1 and is fixedly connected with an air outlet pipe 12. The other side of the machine body 1 is fixedly connected with a filter net 10. One side of the top end of the machine body 1 is fixedly connected with a feeding component. The bottom end of the machine body 1 is fixedly connected with a plurality of discharge pipes 3. A collection cloth bag 4 is arranged at the bottom end of the magnetic attraction frame 13. The bottom end of the discharge pipe 3 and the top end of the collection cloth bag 4 are fixedly connected with a magnetic attraction frame 13.

[0022] As Figures 1 - 3 shown in the figure, the bottom end of the machine body 1 is fixedly connected with a plurality of support feet 2.

[0023] As Figures 1 - 3 shown in the figure, the magnetic attraction frame 13 at the bottom end of the discharge pipe 3 is magnetically connected to the magnetic attraction frame 13 at the top end of the corresponding collection cloth bag 4. The collection cloth bag 4 is magnetically connected to the discharge pipe 3 through the magnetic attraction frame 13, which is convenient for disassembly and installation and has a tighter connection.

[0024] As Figures 1 - 3 shown in the figure, the feeding component includes a feeding hopper 5 fixedly connected to the machine body 1. A storage hopper 7 is fixedly connected to the top end of the feeding hopper 5. The bottom end of the feeding hopper 5 penetrates through the top end of the machine body 1 and is connected to its interior. A distribution housing 6 is fixedly connected to the feeding hopper 5. A distribution column 11 is rotatably connected to the interior of the distribution housing 6. A plurality of grooves are formed on the side surface of the distribution column 11. One end of the distribution housing 6 is fixedly connected with a servo motor 8. The output end of the servo motor 8 penetrates through the side surface of the distribution housing 6 and is fixedly connected to one end of the distribution column 11. The servo motor 8 drives the distribution column 11 to rotate. The graphite micropowder in the storage hopper 7 falls into the grooves. As the distribution column 11 rotates, the graphite micropowder in the grooves falls into the machine body 1 through the feeding hopper 5.

[0025] Working principle: When in use, the feeding component can evenly feed the graphite micropowder. Specifically, the servo motor 8 drives the distribution column 11 to rotate. The graphite micropowder in the storage hopper 7 falls into the grooves. As the distribution column 11 rotates, the graphite micropowder in the grooves falls into the machine body 1 through the feeding hopper 5. The blower 9 and the air outlet pipe 12 can be used to perform air separation on the fed graphite micropowder. Graphite micropowders of different sizes move different distances and will be discharged through the corresponding discharge pipes 3 and fall into the corresponding collection cloth bags 4. The collection cloth bag 4 is magnetically connected to the discharge pipe 3 through the magnetic attraction frame 13, which is convenient for disassembly and installation and has a tighter connection.

[0026] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to only the specific implementation manners. Obviously, according to the content of this specification, many modifications and variations can be made. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A powder air separation device, comprising a body (1), characterized in that: A blower (9) is fixedly connected to one side of the machine body (1); an output end of the blower (9) passes through the machine body (1) and is fixedly connected to an air outlet pipe (12); a filter screen (10) is fixedly connected to the other side of the machine body (1); a discharge assembly is fixedly connected to one side of the top end of the machine body (1); a plurality of discharge pipes (3) are fixedly connected to the bottom end of the machine body (1); a collecting bag (4) is provided at the bottom end of the discharge pipe (3); and a magnetic frame (13) is fixedly connected to the bottom end of the discharge pipe (3) and the top end of the collecting bag (4).

2. A powder air separation device according to claim 1, characterized in that: A plurality of supporting feet (2) are fixedly connected to the bottom end of the machine body (1).

3. A powder air separation device according to claim 1, characterized in that: The magnetic frame (13) at the bottom end of the discharge pipe (3) is magnetically connected to the magnetic frame (13) at the top end of the corresponding collection bag (4).

4. A powder air separation device according to claim 1, characterized in that: The material discharge assembly comprises a material discharge hopper (5) fixedly connected to the machine body (1), and a storage hopper (7) is fixedly connected to the top of the material discharge hopper (5).

5. A powder air separation device according to claim 4, characterized in that: The bottom end of the lower hopper (5) passes through the top end of the machine body (1) and is connected to the inside thereof, and a material distribution shell (6) is fixedly connected to the lower hopper (5).

6. A powder air separation device according to claim 5, characterized in that: A material distribution column (11) is rotatably connected inside the material distribution shell (6), and a plurality of grooves are formed on the side of the material distribution column (11).

7. A powder air separation device according to claim 6, characterized in that: A servo motor (8) is fixedly connected to one end of the material distribution housing (6), and an output end of the servo motor (8) passes through the side surface of the material distribution housing (6) and is fixedly connected to one end of a material distribution column (11).