CN216728170U

CN216728170U - Choice cereal screening plant

Info

Publication number: CN216728170U
Application number: CN202123396152.2U
Authority: CN
Inventors: 蒋金武; 张艮霞
Original assignee: Huai'an Fumin Technology Co ltd
Current assignee: Huai'an Fumin Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-14
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a selected grain screening device, which comprises a box body, wherein a feed inlet is arranged above the box body, a dust chamber is arranged below the feed inlet, two rotating rollers are arranged in the dust chamber, bristles are arranged on the outer surfaces of the rotating rollers, the two rotating rollers are driven to rotate by a motor arranged on the back surface of the box body, dust suction pipelines are arranged on two sides of the bottom in the dust chamber, a dust suction port of each dust suction pipeline is provided with an isolation net, the two dust suction pipelines are communicated with an external dust removal fan, a first screen mesh is obliquely arranged below the dust chamber, a second screen mesh is obliquely arranged below the first screen mesh, vibrating motors are arranged at the centers of the bottoms of the first screen mesh and the second screen mesh, an auger device is communicated with the lowest side of the first screen mesh, the upper end of the auger device extends into the box body to be communicated with the dust chamber, grains are firstly extruded by the two rotating rollers in the dust chamber to break up blocky grains, and are brushed by the bristles, the dust attached to the surface of the grains is separated from the surface of the grains and then is discharged through the dust suction pipeline.

Description

Selected cereal screening plant

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a selected grain screening device.

Background

Cereals are widely covered, and comprise rice, wheat, millet, soybean and other coarse cereals. China is a big agricultural country, hundreds of millions of tons of grains are harvested in each harvest season, and the grains need to be carefully selected and classified after being harvested and then can be stored. At present, partial grain selection screening plant on the market can not clear up the attached dust on the grain surface at the in-process of selection, and can agglomerate after the grain stack is pressed, and the screening effect can be influenced by the screening of directly going into the net.

SUMMERY OF THE UTILITY MODEL

The utility model provides a screening device for selected grains, which solves the problems.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a screening device for selected grains comprises a box body, a feed inlet is arranged above the box body, a dust chamber is arranged below the feed inlet, two rotating rollers are arranged in the dust chamber, bristles are arranged on the outer surfaces of the rotating rollers, the two rotating rollers are driven to rotate by a motor arranged on the back surface of the box body, dust collection pipelines are arranged on two sides of the bottom in the dust removing chamber, an isolation net is arranged at a dust collection port of each dust collection pipeline, the two dust collection pipelines are communicated with an external dust removal fan, a first screen is obliquely arranged below the dust removing chamber, a second screen is obliquely arranged below the first screen, the centers of the bottoms of the first screen and the second screen are both provided with a vibration motor, the lowest side of the first screen is communicated with a packing auger device, the auger device upper end stretches into in the box and communicates with the clean room, the lowest side of second screen cloth is equipped with the discharge gate, bottom half center is equipped with row cinder notch.

As the improvement, two the one end that the pivot of commentaries on classics roller stretches out the box back all is equipped with from the driving wheel, the drive shaft of motor is equipped with the action wheel, the action wheel passes through the belt with follow the driving wheel and is connected.

As an improvement, the bottom in the box body is funnel-shaped.

As an improvement, the first screen is arranged at an angle of 15 degrees towards the inlet of the packing auger device.

As an improvement, the second screen is arranged by inclining 15 degrees to the discharge hole.

As a refinement, the first screen has larger pore sizes than the second screen.

As an improvement, supporting columns are arranged at four corners of the bottom of the box body.

Compared with the prior art, the utility model has the advantages that: the utility model is provided with the dust removal chamber, the grains are firstly scattered by the extrusion action of the two rotating rollers in the dust removal chamber, meanwhile, the dust attached to the surfaces of the grains is separated from the surfaces of the grains by brushing of the brush hairs, then the grains are discharged through the dust absorption pipeline, and the grains after dust removal and scattering are screened again, so that the screening efficiency is improved.

Drawings

FIG. 1 is a schematic front view of a selected grain screening device of the present invention.

FIG. 2 is a schematic top view of a selected grain screening device of the present invention.

As shown in the figure: 1. a box body; 2. a feed inlet; 3. a dust chamber; 4. rotating the roller; 5. brushing; 6. a motor; 7. a dust collection duct; 8. an isolation net; 9. a first screen; 10. a second screen; 11. a vibration motor; 12. an auger device; 13. a discharge port; 14. a slag discharge port; 15. a driven wheel; 16. a driving wheel; 17. a belt; 18. and (4) a support column.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the accompanying drawings 1-2, a selected grain screening device comprises a box body 1, a feed inlet 2 is arranged above the box body 1, a dust chamber 3 is arranged below the feed inlet 2, two rotary rollers 4 are arranged inside the dust chamber 3, brush hairs 5 are arranged on the outer surfaces of the rotary rollers 4, the rotary rollers 4 are driven to rotate by a motor 6 arranged on the back surface of the box body 1, dust suction pipelines 7 are arranged on two sides of the bottom in the dust chamber 3, a separation net 8 is arranged at a dust suction port of the dust suction pipeline 7, the dust suction pipelines 7 are communicated with an external dust removal fan, a first screen 9 is obliquely arranged below the dust chamber 3, a second screen 10 is obliquely arranged below the first screen 9, a vibrating motor 11 is arranged at the center of the bottoms of the first screen 9 and the second screen 10, an auger device 12 is communicated with the lowest side of the first screen 9, the upper end of the auger device 12 extends into the box body 1 and is communicated with the dust chamber 3, the lowest side of the second screen mesh 10 is provided with a discharge hole 13, and the center of the bottom of the box body 1 is provided with a slag discharge hole 14.

Two the one end that the pivot of commentaries on classics roller 4 stretches out the box 1 back all is equipped with from driving wheel 15, the drive shaft of motor 6 is equipped with action wheel 16, action wheel 16 with from driving wheel 15 through belt 17 be connected, the bottom is hourglass hopper-shaped in the box 1, first screen cloth 9 is low to 15 settings of the entrance slope of auger device 12, second screen cloth 10 is low to 15 settings of discharge gate 13 slope, the aperture of first screen cloth 9 is greater than the aperture of second screen cloth 10, 1 bottom four corners department of box is equipped with support column 18.

The specific implementation mode of the utility model is as follows: before the utility model is used, an external power supply is connected firstly, grains are poured from a feeding hole 2, a motor 6 is started to drive two rotating rollers 4 to rotate, the grains entering a dust removal chamber 3 are extruded and broken up, meanwhile, brush hairs 5 brush the surfaces of the grains to remove dust on the surfaces of the grains, then an external dust removal fan is started to suck the removed dust out of a box body 1 from a dust suction pipeline 7, then the grains fall onto a first screen 9, a vibration motor 11 is started, the grains slide down along the first screen 9 under the action of gravity and vibration, large particles which are not broken up and the grains with the surfaces still attached with soil enter an auger device 12, the grains are driven by the auger device 12 to enter the dust removal chamber 3 again, the breaking up and dust removal treatment are repeated, clean grains and crushed slag fall onto a second screen 10, the clean grains are discharged from a discharging hole 13 under the action of the vibration motor 11, the crushed slag falls to the bottom of the box body 1, and finally discharged from the slag discharge port 14.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A choice cereal screening plant, includes box (1), its characterized in that: the dust collection box is characterized in that a feeding port (2) is arranged above the box body (1), a dust removal chamber (3) is arranged below the feeding port (2), two rotating rollers (4) are arranged inside the dust removal chamber (3), bristles (5) are arranged on the outer surfaces of the rotating rollers (4), the two rotating rollers (4) are driven to rotate by a motor (6) arranged on the back surface of the box body (1), dust collection pipelines (7) are arranged on two sides of the bottom in the dust removal chamber (3), isolation nets (8) are arranged at dust collection openings of the dust collection pipelines (7), the two dust collection pipelines (7) are communicated with an external dust collection fan, a first screen (9) is obliquely arranged below the dust removal chamber (3), a second screen (10) is obliquely arranged below the first screen (9), vibrating motors (11) are arranged at the bottoms of the first screen (9) and the second screen (10), a packing auger device (12) is communicated with the lowest side of the first screen (9), auger device (12) upper end stretches into in box (1) and clean room (3) intercommunication, second screen cloth (10) lowest side is equipped with discharge gate (13), box (1) bottom center is equipped with row cinder notch (14).

2. A selected grain screening apparatus as set forth in claim 1, wherein: two the one end that the pivot of commentaries on classics roller (4) stretches out the box (1) back all is equipped with from driving wheel (15), the drive shaft of motor (6) is equipped with action wheel (16), action wheel (16) are connected through belt (17) with following driving wheel (15).

3. A selected grain screening apparatus as set forth in claim 1, wherein: the bottom in the box body (1) is funnel-shaped.

4. A selected grain screening apparatus as set forth in claim 1, wherein: the first screen (9) is arranged at an angle of 15 degrees towards the inlet of the packing auger device (12).

5. A selected grain screening device as claimed in claim 1, wherein: the second screen (10) is inclined at 15 degrees to the discharge hole (13).

6. A selected grain screening apparatus as set forth in claim 1, wherein: the aperture of the first screen (9) is larger than that of the second screen (10).

7. A selected grain screening apparatus as set forth in claim 1, wherein: supporting columns (18) are arranged at four corners of the bottom of the box body (1).