CN216574034U

CN216574034U - Powder screening system

Info

Publication number: CN216574034U
Application number: CN202120751826.7U
Authority: CN
Inventors: 李建新; 王荣彬; 冯良才; 何灯
Original assignee: Foshan Zhonghuang Mechanical Equipment Co ltd
Current assignee: Foshan Zhonghuang Mechanical Equipment Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2022-05-24
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a powder screening system which comprises a feeding assembly, a material conveying belt, a storage tank, an iron remover and a powder screening device, wherein the feeding assembly is arranged on the feeding assembly; the rotation axis of the drum screen is obliquely arranged relative to the horizontal line; a fine particle blanking area and a coarse particle blanking area are arranged below the rotary screen, fine particle falling holes are formed in the peripheral wall of the rotary screen and are arranged above the fine particle blanking area, coarse particle falling holes are formed in the lower end of the rotary screen, and the coarse particle falling holes are arranged above the coarse particle blanking area; the feeding component is provided with a feeding inlet end and a feeding outlet end; one end of the material conveying belt close to the rotary screen is arranged in the fine particle blanking area, and one end of the material conveying belt far away from the rotary screen is arranged above the material storage tank; the deironing machine is arranged below the storage tank, and a feeder is arranged between the deironing machine and the storage tank. This scheme can be applicable to battery powder screening process to the screening efficiency is high. The utility model is used for the technical field of battery powder screening.

Description

Powder screening system

Technical Field

The utility model relates to the technical field of battery powder screening, in particular to a powder screening system.

Background

In the production process of battery sintering and the like, a large amount of powder is needed. Because batteries have strict requirements on material purity and particle fineness and do not allow magnetic substances in powder, in the existing production line of the powder for battery sintering, the existing particle fineness screening device usually adopts vibration type screening, and the particle fineness screening device can generate larger noise in the operation process and has lower screening efficiency. And in the prior art, the material transmission between the particle fineness screening device and the iron removing machine usually needs to be transported by a crane, but the crane has lower transportation speed to the material, thereby leading to lower powder screening efficiency.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the powder screening system is provided to solve one or more technical problems in the prior art and at least provide a beneficial choice or creation condition.

The solution of the utility model for solving the technical problem is as follows:

a powder screening system comprises a feeding assembly, a material conveying belt, a storage tank, an iron remover and a powder screening device;

the powder screening device comprises a drum frame, a drum screen and a rotary driving device, the drum screen is rotationally connected with the drum frame, the rotary driving device is fixed on the drum frame and drives the drum screen to rotate, and the rotation axis of the drum screen is obliquely arranged relative to the horizontal line;

the rotary screen is provided with a rotary drum feeding hole, the rotary drum feeding hole is communicated with the inner side of the rotary screen, a fine particle blanking area is arranged below the upper end of the rotary screen, a coarse particle blanking area is arranged above the lower end of the rotary screen, a plurality of fine particle falling holes used for allowing materials with smaller particle fineness to pass through are formed in the peripheral wall of the upper end of the rotary screen, the fine particle falling holes are all arranged above the fine particle blanking area, coarse particle falling holes used for allowing materials with larger particle fineness to pass through are formed in the lower end of the rotary screen, and the coarse particle falling holes are all arranged above the coarse particle blanking area;

the feeding assembly is provided with a feeding end and a feeding discharging end, the feeding discharging end is positioned at the upper end of the drum screen, and external materials fall into the inner side of the drum screen from the feeding discharging end;

one end of the material conveying belt close to the rotary screen is arranged in the fine particle blanking area, and one end of the material conveying belt far away from the rotary screen is arranged above the material storage tank;

the magnetic separator comprises a storage tank, a magnetic separator and a magnetic separator.

Through the scheme, the particle fineness of the powder is screened by the drum screen, and in the rotating process of the drum screen, the powder drops to the lower part of the drum screen along with rotation at the inner side of the drum screen and when the powder rotates to the higher part, so that the probability of blockage of fine particle blanking holes is reduced, and the powder screening efficiency is indirectly improved. Because the rotary screen is arranged obliquely, the powder can fall to the lower part of the rotary screen when falling, so that the powder gradually descends to the bottom of the rotary screen, and the powder with larger particle fineness leaves the inner side of the rotary screen from the coarse particle blanking hole. The drum screen has the advantages of being not easy to block and high in screening efficiency compared with a vibrating type screening device. And the powder with smaller particle fineness is conveyed to the storage tank through the material conveying belt after being screened by the powder screening device, the material in the storage tank is controlled by the feeder to enter the iron removing machine, and the magnetic material is taken out from the powder of the iron removing machine. This scheme can be applicable to battery powder screening process to the screening efficiency is high.

As a further improvement of the above technical scheme, a lower sealing plate for sealing a lower end opening of the drum screen is arranged at the lower end of the drum screen, an upper sealing plate for sealing an upper end opening of the drum screen is fixedly connected to the drum frame, the upper sealing plate is connected with a feeding port, and the feeding port is communicated with the inner side of the drum screen.

Through above-mentioned scheme, go up shrouding and shrouding down can reduce the inboard powder of drum sieve and float out the volume of drum sieve at the drum sieve operation in-process, reduce the raise dust and pollute the all ring edge borders of mill.

As a further improvement of the technical scheme, the upper sealing plate is fixedly connected with a feeding funnel, the feeding funnel is arranged below the feeding discharge end, and the feeding funnel is communicated with the feeding port.

As a further improvement of the technical scheme, the iron removing machine further comprises a working platform and a first conveyer belt supporting frame, wherein the storage tank and the iron removing machine are both arranged on the working platform; one end of the material conveying belt, which is far away from the rotary screen, is higher than one end of the material conveying belt, which is close to the rotary screen, and the material conveying belt is supported by the first conveying belt supporting frame.

As a further improvement of the technical scheme, the device further comprises a coarse grain conveying belt, wherein one end of the coarse grain conveying belt is arranged in the coarse grain blanking area, and the other end of the coarse grain conveying belt is far away from the rotary screen.

Through above-mentioned scheme, the great powder of particle fineness directly falls to the coarse grain transportation belt, and the coarse grain transportation belt transports the great powder of particle fineness to other processes afterwards and handles.

As a further improvement of the technical scheme, the iron discharging device further comprises an iron discharging conveying belt, wherein one end of the iron discharging conveying belt is arranged in the iron discharging area, and the other end of the iron discharging conveying belt is far away from the iron discharging area.

Through the scheme, the magnetic powder directly falls onto the iron discharging conveying belt, and then the iron discharging conveying belt conveys the magnetic powder to other procedures for treatment.

As a further improvement of the above technical solution, the feeding assembly includes a feeding conveyer belt, a feeder and a second conveyer belt support frame, the feeding conveyer belt is supported by the second conveyer belt support frame, one end of the feeding conveyer belt close to the drum screen is higher than one end of the feeding conveyer belt far from the drum screen, and the feeder is disposed at one end of the feeding conveyer belt far from the drum screen.

As a further improvement of the technical scheme, the feeding assembly further comprises a second sealing cover, and the feeding conveying belt is arranged in the second sealing cover.

Through above-mentioned scheme, the second sealed cowling can reduce the dust and waft to external environment, has guaranteed the clean and tidy of mill's environment.

As a further improvement of the technical scheme, the dust separation device further comprises a dust separation chamber used for reducing dust from floating to the external environment, and one ends of the roller frame, the roller screen and the material conveying belt are all arranged in the dust separation chamber.

Through the scheme, the dust isolation chamber can reduce dust from drifting to the external environment, and the neatness of the factory environment is guaranteed.

As a further improvement of the technical scheme, the dust separation device further comprises a first sealing cover, the first sealing cover is communicated with the dust separation chamber, the material conveying belt is arranged in the first sealing cover, and one end, far away from the dust separation chamber, of the first sealing cover is communicated with the storage tank.

Through above-mentioned scheme, first sealed cowling can reduce the dust and waft to external environment, has guaranteed the clean and tidy of mill's environment.

The utility model has the beneficial effects that: this scheme can be applicable to battery powder screening process to the screening efficiency is high.

The utility model is used for the technical field of battery powder screening.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic top view of an embodiment of the present invention;

fig. 3 is a schematic view of another angle of the overall structure of the embodiment of the present invention.

In the figure, 110, roller frame; 111. a feeding hopper; 120. a drum screen; 130. a rotation driving device; 200. a material conveyor belt; 300. a material storage tank; 400. a deferrization machine; 501. a first conveyor belt support frame; 502. a working platform; 503. a second conveyor belt support; 504. a coarse grain conveyor belt; 505. a discharged iron conveying belt; 601. a dust-insulated chamber; 602. a first seal cover; 603. a second seal cover; 710. a feeding conveyer belt; 720. a feeder.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 to 3, a powder screening system is characterized in that: comprises a feeding component, a material conveying belt 200, a storage tank 300, an iron remover 400 and a powder screening device.

The powder screening device comprises a roller frame 110, a roller screen 120 and a rotary driving device 130, wherein the roller screen 120 is rotatably connected with the roller frame 110, the rotary driving device 130 is fixed on the roller frame 110, the rotary driving device 130 drives the roller screen 120 to rotate, and the rotation axis of the roller screen 120 is obliquely arranged relative to the horizontal line.

The drum sieve 120 is provided with a drum feeding port, the drum feeding port is communicated with the inner side of the drum sieve 120, a fine particle blanking area is arranged below the upper end of the drum sieve 120, a coarse particle blanking area is arranged above the lower end of the drum sieve 120, a plurality of fine particle falling holes (not shown in the figure) used for passing through materials with smaller particle fineness are formed in the peripheral wall of the upper end of the drum sieve 120, the fine particle falling holes are formed in the upper side of the fine particle blanking area, a coarse particle falling hole (not shown in the figure) used for passing through materials with larger particle fineness is formed in the lower end of the drum sieve 120, and the coarse particle falling holes are formed in the upper side of the coarse particle blanking area.

The lower end of the drum screen 120 is provided with a lower sealing plate for sealing the lower end opening of the drum screen 120, the drum frame 110 is fixedly connected with an upper sealing plate for sealing the upper end opening of the drum screen 120, the upper sealing plate is connected with a feeding port, and the feeding port is communicated with the inner side of the drum screen 120.

The upper sealing plate is fixedly connected with a feeding funnel 111, the feeding funnel 111 is arranged below the feeding discharge end, and the feeding funnel 111 is communicated with the feeding port.

One end of the material conveying belt 200 close to the drum screen 120 is arranged in the fine particle blanking area, and one end of the material conveying belt 200 far away from the drum screen 120 is arranged above the material storage tank 300.

The iron remover 400 is arranged below the storage tank 300, a feeder used for controlling peripheral powder to enter the iron remover 400 is arranged between the iron remover 400 and the storage tank 300, and the feeder comprises a feeding driving motor, an impeller and other components. Deironing machine 400 includes feed inlet, bin outlet and iron notch, and the feed inlet is linked together with storage tank 300, and the below of bin outlet sets up to the packing region, and the below of iron notch sets up to the iron notch region.

The powder screening system further comprises a working platform 502 and a first conveyor belt supporting frame 501, and the storage tank 300 and the deironing machine 400 are both mounted on the working platform 502. The end of the material conveyor belt 200 distal from the trommel 120 is higher than the end of the material conveyor belt 200 proximal to the trommel 120, and the material conveyor belt 200 is supported by a first conveyor belt support 501.

The powder screening system further comprises a coarse grain conveying belt 504, one end of the coarse grain conveying belt 504 is arranged in the coarse grain blanking area, and the other end of the coarse grain conveying belt 504 is far away from the rotary screen 120.

The powder screening system further comprises an iron discharging conveying belt 505, wherein one end of the iron discharging conveying belt 505 is arranged in an iron discharging area, and the other end of the iron discharging conveying belt 505 is far away from the iron discharging area.

The feeding assembly is provided with a feeding end and a feeding discharging end, the feeding discharging end is positioned at the upper end of the drum screen 120, and the external materials fall into the inner side of the drum screen 120 from the feeding discharging end. The feeding assembly comprises a feeding conveyer belt 710, a feeder 720, a second sealing cover 603 and a second conveyer belt supporting frame 503, wherein one end of the feeding conveyer belt 710 close to the rotary screen 120 is located at a feeding discharge end, the feeding conveyer belt 710 is supported by the second conveyer belt supporting frame 503, one end of the feeding conveyer belt 710 close to the rotary screen 120 is higher than one end of the feeding conveyer belt 710 far away from the rotary screen 120, the feeder 720 is arranged at one end of the feeding conveyer belt 710 far away from the rotary screen 120, and the feeder 720 is arranged at the feeding feed end.

The powder screening system further comprises a dust isolation chamber 601 for reducing dust from floating to the external environment, the coarse grain conveying belt 504 penetrates out of the dust isolation chamber 601, and one ends of the roller frame 110, the roller screen 120 and the material conveying belt 200 are all arranged in the dust isolation chamber 601. The feed conveyor belt 710 passes into the dust chamber 601.

The powder screening system further comprises a first sealing cover 602, the first sealing cover 602 is communicated with the dust isolation chamber 601, the material conveying belt 200 is arranged in the first sealing cover 602, and one end, far away from the dust isolation chamber 601, of the first sealing cover 602 is communicated with the storage tank 300.

The feeding conveyer belt 710 is arranged in the second sealing cover 603, and the second sealing cover 603 is communicated with the dust-proof chamber 601.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims

1. The utility model provides a powder screening system which characterized in that: comprises a feeding component, a material conveying belt (200), a storage tank (300), an iron remover (400) and a powder screening device;

the powder screening device comprises a roller frame (110), a roller screen (120) and a rotary driving device (130), wherein the roller screen (120) is rotatably connected with the roller frame (110), the rotary driving device (130) is fixed on the roller frame (110), the rotary driving device (130) drives the roller screen (120) to rotate, and the rotary axis of the roller screen (120) is obliquely arranged relative to the horizontal line;

the rotary screen (120) is provided with a rotary drum feeding hole, the rotary drum feeding hole is communicated with the inner side of the rotary screen (120), a fine particle blanking area is arranged below the upper end of the rotary screen (120), a coarse particle blanking area is arranged above the lower end of the rotary screen (120), a plurality of fine particle falling holes used for allowing materials with smaller particle fineness to pass through are formed in the peripheral wall of the upper end of the rotary screen (120), the fine particle falling holes are formed above the fine particle blanking area, coarse particle falling holes used for allowing materials with larger particle fineness to pass through are formed in the lower end of the rotary screen (120), and the coarse particle falling holes are formed above the coarse particle blanking area;

the feeding assembly is provided with a feeding end and a feeding discharging end, the feeding discharging end is positioned at the upper end of the drum screen (120), and external materials fall into the inner side of the drum screen (120) from the feeding discharging end;

one end, close to the rotary screen (120), of the material conveying belt (200) is arranged in the fine particle blanking area, and one end, far away from the rotary screen (120), of the material conveying belt (200) is arranged above the material storage tank (300);

deironing machine (400) are located the below of storage tank (300), deironing machine (400) with be provided with the powder that is used for controlling the peripheral hardware between storage tank (300) and enter into extremely the feeder of deironing machine (400), deironing machine (400) include feed inlet, bin outlet and row iron notch, the feed inlet with storage tank (300) are linked together, the below of bin outlet sets up to the packing region, the below of row iron notch sets up to the row iron region.

2. The powder screening system of claim 1, wherein: the lower end of the drum screen (120) is provided with a lower sealing plate for sealing a lower end opening of the drum screen (120), the drum frame (110) is fixedly connected with an upper sealing plate for sealing an upper end opening of the drum screen (120), the upper sealing plate is connected with a feeding port, and the feeding port is communicated with the inner side of the drum screen (120).

3. The powder screening system of claim 2, wherein: the upper sealing plate is fixedly connected with a feeding funnel (111), the feeding funnel (111) is arranged below the feeding discharge end, and the feeding funnel (111) is communicated with the feeding opening.

4. The powder screening system of claim 1, wherein: the iron removing machine further comprises a working platform (502) and a first conveyor belt supporting frame (501), wherein the storage tank (300) and the iron removing machine (400) are both arranged on the working platform (502); one end of the material conveying belt (200) far away from the rotary screen (120) is higher than one end of the material conveying belt (200) close to the rotary screen (120), and the material conveying belt (200) is supported by the first conveying belt supporting frame (501).

5. The powder screening system of claim 1, wherein: still include coarse grain conveyer belt (504), the one end of coarse grain conveyer belt (504) set up in coarse grain blanking district, the other end are kept away from trommel (120) set up.

6. The system for screening powders of claim 1, wherein: still include row's iron conveyor belt (505), the one end of row's iron conveyor belt (505) set up in row's iron region row's iron conveyor belt (505) the other end is kept away from row's iron region.

7. The powder screening system of claim 1, wherein: the feeding assembly comprises a feeding conveying belt (710), a feeder (720) and a second conveying belt support frame (503), the feeding conveying belt (710) is supported by the second conveying belt support frame (503), one end, close to the drum screen (120), of the feeding conveying belt (710) is higher than one end, far away from the drum screen (120), of the feeding conveying belt (710), and the feeder (720) is arranged at one end, far away from the drum screen (120), of the feeding conveying belt (710).

8. The powder screening system of claim 7, wherein: the feeding assembly further comprises a second sealing cover (603), and the feeding conveying belt (710) is arranged in the second sealing cover (603).

9. The powder screening system of claim 1, wherein: the dust separation device is characterized by further comprising a dust separation chamber (601) used for reducing dust from floating to the external environment, wherein one ends of the roller frame (110), the roller screen (120) and the material conveying belt (200) are arranged in the dust separation chamber (601).

10. The powder screening system of claim 9, wherein: still include first sealed cowling (602), first sealed cowling (602) with separate dirt room (601) and be linked together, material transportation area (200) set up in first sealed cowling (602), first sealed cowling (602) are kept away from the one end that separates dirt room (601) with storage tank (300) are linked together.