CN220361528U

CN220361528U - Material screening device

Info

Publication number: CN220361528U
Application number: CN202322138430.7U
Authority: CN
Inventors: 孙佳
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-01-19
Anticipated expiration: 2033-08-10

Abstract

The utility model discloses a material screening device, which comprises a box body, wherein a feed inlet is connected above the box body, a plurality of discharge bins are arranged at the bottom end of the box body, a filter screen is arranged at the top end of each discharge bin, a screening cover is arranged above the filter screen, a packing auger is arranged in the screening cover, the side surface of the packing auger is attached to the filter screen, one end of the packing auger is connected with an output shaft of a motor, and the other end of the packing auger is rotationally connected with the inner wall of the box body through a bearing; the filter screen sequentially comprises a small-hole filter screen, a middle-hole filter screen and a large-hole filter screen from one end close to the feed inlet to one end far away from the feed inlet; the auger drives the materials to move, and the materials fall down from the small pore filter screen, the medium pore filter screen and the large pore filter screen in sequence according to the size in the moving process, so that the screening work of the materials is realized; the material can be dropped down in batches through the equipartition structure, so that better screening work of the material can be realized.

Description

Material screening device

Technical Field

The utility model relates to the technical field of chemical engineering, in particular to a material screening device.

Background

The screening is to make the fine grain material smaller than the sieve mesh pass through the sieve surface and the coarse grain material larger than the sieve mesh stay on the sieve surface, thus completing the separation process of coarse and fine materials.

The material sieving mechanism for chemical engineering among the prior art sets up the screen cloth in sieving mechanism casing, utilizes the screen cloth to carry out screening work to the material, and the screen cloth can block up to and the continuity is low, can only screen partial material once promptly, and the jam of screen cloth and continuity are low just have led to screening inefficiency.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problem of low screening efficiency in the prior art, the utility model aims to provide a material screening device which can improve the screening efficiency of materials.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The material screening device comprises a box body, wherein a feeding hole is formed in the upper side of the box body, a plurality of discharging bins are formed in the bottom end of the box body, a filter screen is arranged at the top end of each discharging bin, a screening cover is arranged above the filter screen, an auger is arranged in the screening cover, the side face of the auger is attached to the filter screen, one end of the auger is connected with an output shaft of a motor, and the other end of the auger is rotatably connected with the inner wall of the box body through a bearing;

one end of the screening cover is connected with the feed inlet, and the filter screen sequentially comprises a small-hole filter screen, a middle-hole filter screen and a large-hole filter screen from one end close to the feed inlet to one end far away from the feed inlet.

Preferably, the top end of the discharging bin is connected with a tapered cover, and a receiving trolley is arranged below the tapered cover.

Preferably, the device further comprises an equipartition structure, the equipartition structure comprises a pipeline, the top end of the pipeline is communicated with the bottom end of the feed inlet, the bottom end of the pipeline is communicated with one end of the screening cover, a through hole is formed in one side of the pipeline, the middle of the through hole is rotationally connected with one end of the rotating shaft, a plurality of fan blades are fixedly connected in the rotating shaft, and the outer side of the through hole is connected with the protection cover.

Preferably, the other end of the rotating shaft penetrates through the pipeline and extends outwards to be connected with the motor or the rotating handle.

Preferably, still include vibrating subassembly, vibrating subassembly includes lifter block, spring, elastic ball and elastic cord, and the top of lifter block passes through the spring and is connected with the elastic ball, and the filter screen lower surface is hugged closely to the elastic ball, and the one end of elastic cord is all connected at the both ends of lifter block, and the other end of elastic cord all is connected with the filter screen lower surface.

Preferably, the lifting block bottom is connected with a pull ring.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that: according to the utility model, the auger drives the chemical materials to move, and the chemical materials fall down from the small pore filter screen, the medium pore filter screen and the large pore filter screen in sequence according to the sizes in the moving process, so that the screening work of the chemical materials is realized;

according to the utility model, through the equipartition structure, the situation that the chemical materials are stacked too high due to the fact that the materials fall all at once can be avoided, so that the chemical materials at high positions cannot fall from the corresponding filter screen, and the materials can fall in batches through the equipartition structure, so that better screening work of the chemical materials can be realized;

according to the utility model, the filter screen can be vibrated through the vibration component, so that chemical materials blocked by meshes of the filter screen can be vibrated, the blocking is avoided, and the screening efficiency is improved.

Drawings

FIG. 1 is a schematic view of the external structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic diagram of the structure of the equipartition structure of the present utility model;

fig. 4 is a schematic structural view of the vibration assembly of the present utility model.

The reference numerals in the figures illustrate:

1. a case; 2. a feed inlet; 3. discharging the material bin; 4. a filter screen; 41. a small hole filter screen; 42. a mesoporous filter screen; 43. a macroporous filter screen; 5. a screening cover; 6. an auger; 7. a motor; 8. a tapered cover; 9. receiving a material pushing vehicle; 10. an equipartition structure; 11. a pipe; 12. a through hole; 13. a rotating shaft; 14. a fan blade; 15. a protective cover; 16. a vibration assembly; 17. a lifting block; 18. a spring; 19. a spring ball; 20. an elastic rope; 21. and (5) a pull ring.

Description of the embodiments

The drawings in the embodiments of the present utility model will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present utility model; but not all embodiments. Based on the embodiments in the present utility model; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present utility model.

Example 1:

referring to fig. 1-4, a material screening device comprises a box body 1, wherein a feed inlet 2 is connected above the box body 1, a plurality of discharge bins 3 are arranged at the bottom end of the box body 1, a filter screen 4 is arranged at the top end of each discharge bin 3, a screening cover 5 is arranged above each filter screen 4, an auger 6 is arranged in each screening cover 5, the side surface of each auger 6 is attached to each filter screen 4, one end of each auger 6 is connected with an output shaft of a motor 7, and the other end of each auger 6 is rotatably connected with the inner wall of the box body 1 through a bearing;

pouring materials from a feed inlet 2, starting a motor 7, and driving an auger 6 to rotate by the motor so as to enable the materials to move on a filter screen 4 for screening, wherein the screened materials flow out from a different discharge bin 3, so that the screening of the sizes of the materials is realized;

one end of the screening cover 5 is connected with the feed inlet 2, the filter screen 4 is from one end close to the feed inlet 2 to one end far away from the feed inlet 2, and the filter screen 4 sequentially comprises a small-hole filter screen 41, a medium-hole filter screen 42 and a large-hole filter screen 43.

The material passes through the surface of the filter screen 4 under the action of the auger, and the small material firstly falls down from the small-hole filter screen 41, the large material falls down from the medium-hole filter screen 42, the large material falls down from the large-hole filter screen 43, and the rest material falls down from the discharging bin 3 at the rearmost end, so that the screening work of the material is realized.

Example 2:

the top end of the discharging bin 3 is connected with a convergent cover 8, and a receiving trolley 9 is arranged below the convergent cover 8.

The screened material is prevented from scattering, so that the materials are collected through the tapered cover 8 and then fall into the material receiving trolley 9.

Example 3:

still including equipartition structure 10, equipartition structure 10 includes pipeline 11, and pipeline 11's top and feed inlet 2 bottom intercommunication, bottom and screening cover 5 one end intercommunication, through-hole 12 has been seted up to pipeline 11 one side, and through-hole 12 middle part swivelling joint has the one end of pivot 13, fixedly connected with a plurality of flabellum 14 in the pivot 13, and protection casing 15 is connected in the through-hole 12 outside.

As shown in fig. 2 and 3, in order to avoid the accumulation of materials caused by too much material dumping at one time, the thickness is too large to enable the materials with small size to fall from the small-hole filter screen 41, but the situation that the materials fall from the middle-hole filter screen 42 or the large-hole filter screen 43 occurs, so that the materials dumped each time cannot be too much, based on the situation, the fan blades 14 are driven to rotate through the rotating shaft 13, the materials between the two fan blades 14 fall in batches, the material can be evenly distributed, the materials can be fallen in small batches for many times, and the accumulation of the materials is avoided.

Example 4:

the other end of the rotating shaft 13 extends through the pipeline 11 and is connected with a motor or a rotating handle outwards and backwards.

The connecting motor is electric, the rotating handle is manually operated, and the connecting motor is selectively used according to different requirements, for example, the connecting motor is preferentially connected to control the rotating shaft to rotate for screening toxic and harmful chemical materials.

Example 5:

still include vibration subassembly 16, vibration subassembly 16 includes lifter 17, spring 18, elastic ball 19 and elastic cord 20, and the top of lifter 17 passes through spring 18 and elastic ball 19 to be connected, and elastic ball 19 hugs closely filter screen 4 lower surface, and the one end of elastic cord 20 is all connected at lifter 17's both ends, and the other end of elastic cord 20 all is connected with filter screen 4 lower surface.

The bottom end of the lifting block 17 is connected with a pull ring 21.

As shown in fig. 4, the more the screen holes of the filter screen 4 are blocked, the lower the material screening efficiency is, based on which, the vibration assembly 16 is pulled downwards by the pull ring 21 and then loosened, the elastic ball 19 can strike the filter screen under the action of the elastic rope 20, so that the filter screen 4 vibrates, and the elastic ball 19 can also generate secondary elastic striking under the action of the spring 18 and the elastic rope 20, so that the filter screen 4 vibrates the material blocking the screen holes, thereby avoiding blocking and improving the material screening efficiency.

The above; is only a preferred embodiment of the present utility model; the scope of the utility model is not limited in this respect; any person skilled in the art is within the technical scope of the present disclosure; equivalent substitutions or changes are made according to the technical proposal of the utility model and the improved conception thereof; are intended to be encompassed within the scope of the present utility model.

Claims

1. The utility model provides a material sieving mechanism, includes box (1), feed inlet (2), its characterized in that are connected to box (1) top: a plurality of discharging bins (3) are formed in the bottom end of the box body (1), a filter screen (4) is arranged at the top end of each discharging bin (3), a screening cover (5) is arranged above each filter screen (4), an auger (6) is arranged in each screening cover (5), the side face of each auger (6) is attached to each filter screen (4), one end of each auger (6) is connected with an output shaft of a motor (7), and the other end of each auger is connected with the inner wall of the box body (1) in a rotating mode through a bearing;

one end of the screening cover (5) is connected with the feed inlet (2), the filter screen (4) sequentially comprises a small-hole filter screen (41), a middle-hole filter screen (42) and a large-hole filter screen (43) from one end close to the feed inlet (2) to one end far away from the feed inlet (2).

2. A material screening apparatus according to claim 1, wherein: the top end of the discharging bin (3) is connected with a tapered cover (8), and a material receiving trolley (9) is arranged below the tapered cover (8).

3. A material screening apparatus according to claim 1, wherein: still including equipartition structure (10), equipartition structure (10) include pipeline (11), the top and the feed inlet (2) bottom intercommunication of pipeline (11), bottom and screening cover (5) one end intercommunication, through-hole (12) have been seted up to pipeline (11) one side, and through-hole (12) middle part swivelling joint has the one end of pivot (13), fixedly connected with a plurality of flabellums (14) on pivot (13), and protection casing (15) are connected in the through-hole (12) outside.

4. A material screening apparatus according to claim 3, wherein: the other end of the rotating shaft (13) penetrates through the pipeline (11) and extends outwards to be connected with a motor or a rotating handle.

5. A material screening apparatus according to any one of claims 1-4, wherein: still include vibration subassembly (16), vibration subassembly (16) include lifter block (17), spring (18), elasticity ball (19) and elastic cord (20), and the top of lifter block (17) is passed through spring (18) and is connected with elasticity ball (19), and filter screen (4) lower surface is hugged closely in elasticity ball (19), and the one end of elastic cord (20) is all connected at the both ends of lifter block (17), and the other end of elastic cord (20) all is connected with filter screen (4) lower surface.

6. A material screening apparatus according to claim 5, wherein: the bottom end of the lifting block (17) is connected with a pull ring (21).