CN112139025A

CN112139025A - Rice husky separation of millet and sieving mechanism

Info

Publication number: CN112139025A
Application number: CN202010809651.0A
Authority: CN
Inventors: 罗四元; 罗文�; 周建湘
Original assignee: Hengnan Shiyuan Agricultural Development Co ltd
Current assignee: Hengnan Shiyuan Agricultural Development Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2020-12-29

Abstract

The invention provides a rice grain and brown rice separating and screening device, and relates to the field of rice production. This rice grain coarse separation and sieving mechanism, which comprises an outer shell, the side of shell has set gradually first discharge gate, second discharge gate, third discharge gate and fourth discharge gate, the inside of shell has set gradually first swash plate, second swash plate, third swash plate and fourth swash plate, a plurality of baffles of the inner wall fixedly connected with of shell, first swash plate, second swash plate, third swash plate and fourth swash plate are all separated by the baffle, the upper wall of shell and be provided with the air inlet dust screen in the top of third swash plate, the below of air inlet dust screen is provided with the fan, the inner wall of shell and the first motor of top fixedly connected with of fourth swash plate, the inner wall of shell just is provided with the roller drum in first motor department, be provided with the transmission band on the roller drum. The adoption of the winnowing mode improves the separation speed and reduces the generation of broken rice.

Description

Rice husky separation of millet and sieving mechanism

Technical Field

The invention relates to the field of rice production, in particular to a rice grain rough separation and screening device.

Background

Rice is an important grain widely planted in tropical zone of Asia, southern China is a main rice-producing area, and northern China is planted in all provinces. The subspecies are mainly divided into 2 subspecies, indica rice and japonica rice. The husk produced by husking rice is just the rice husks.

The existing rice and grain rough separation device is basically three types of separation methods, namely a screening method, a relative density separation method and an elastic separation method. However, the three separation methods involve a vibration mode for screening, and the vibration mode is very easy to crush whole rice, so that the amount of broken rice is greatly increased, and the production of rice is not facilitated.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a rice and grain coarse separating and screening device, which solves the problem of large broken rice quantity of the existing rice and grain coarse separating device.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a rice grain rough separation and screening device comprises a shell, wherein a first discharge port, a second discharge port, a third discharge port and a fourth discharge port are sequentially arranged on the side surface of the shell, an air outlet dust screen is arranged on the side wall of the shell and between the third discharge port and the fourth discharge port, a hopper is fixedly connected to one side of the upper end of the shell, a first inclined plate, a second inclined plate, a third inclined plate and a fourth inclined plate are sequentially arranged in the shell, a plurality of partition plates are fixedly connected to the inner wall of the shell, the first inclined plate, the second inclined plate, the third inclined plate and the fourth inclined plate are all separated by the partition plates, a screen is arranged above the second inclined plate, two sides of the screen are fixedly connected with the upper ends of the partition plates, the air outlet dust screen is positioned at the third inclined plate, an air inlet dust screen is arranged on the upper wall of the shell and above the third inclined plate, a fan is arranged below the air inlet dust screen, the inner wall of shell and the first motor of top fixedly connected with at the fourth swash plate, the inner wall of shell and be provided with the roller drum in first motor department, be provided with the transmission band on the roller drum, the one end extension of first motor is provided with the motor shaft, and the motor shaft runs through the roller drum, the lower extreme of hopper runs through the shell and extends to the top of transmission band, the below of the lower extreme of hopper is provided with the picture peg, upper end one side fixedly connected with rack of picture peg.

Preferably, the first discharge hole is communicated with the lower part of the first inclined plate, and the second discharge hole is communicated with the lower part of the second inclined plate.

Preferably, the third discharge hole is communicated with the lower part of the third inclined plate, and the fourth discharge hole is communicated with the lower part of the fourth inclined plate.

Preferably, the upper wall of shell and in the equal fixedly connected with deep bead of both sides of fan, the middle part lateral wall fixedly connected with bracing piece of fan, the other end of bracing piece and the lateral wall fixed connection of deep bead.

Preferably, the lateral wall fixedly connected with second motor of shell, the one end extension of second motor is provided with the motor shaft, and the lateral wall fixedly connected with gear of motor shaft, gear and rack intermeshing.

Preferably, the fixing rods are fixedly connected to the inner portion of the housing and above the first inclined plate, and buffering cloth is arranged between the fixing rods.

Preferably, the upper end of transmission band is provided with the recess, the degree of depth of recess is the thickness of 1 ~ 2 grain rice, the inner wall fixedly connected with scraper blade of shell, the lower extreme of scraper blade and the upper end contact of transmission band.

Preferably, the lower end of the shell is fixedly connected with a plurality of supporting legs.

(III) advantageous effects

The invention provides a rice grain rough separation and screening device. The method has the following beneficial effects:

1. according to the rice crusher, the rice is prevented from being crushed due to impact force by the cancelled vibration structure, and meanwhile after materials are thrown on the conveying belt, the rice can impact the arranged buffer cloth, so that the impact force of the rice is reduced, and the amount of broken rice is reduced.

2. According to the invention, a winnowing mode is adopted, the processing efficiency is controlled by the speed of the conveying belt, the higher the speed of the conveying belt is, the higher the separation speed of rice and coarse cereals in the materials is, meanwhile, the conveying belt is provided with the groove, and the scraper is arranged above the conveying belt.

3. The invention can separate the whole grain rice, broken rice and rough rice, and the arranged mesh screen can further screen the broken rice, thereby ensuring that the broken rice is sent out from the second discharge hole and avoiding the whole grain rice from being mixed into the broken rice.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic front view of a conveyor belt according to the present invention.

Wherein, 1, supporting the feet; 2. a first discharge port; 3. a housing; 4. a second discharge port; 5. a third discharge port; 6. an air-out dust screen; 7. a fourth discharge port; 8. a hopper; 9. a first sloping plate; 10. a partition plate; 11. a second swash plate; 12. screening a screen; 13. a third sloping plate; 14. a conveyor belt; 15. a fourth swash plate; 16. a first motor; 17. a roll drum; 18. an air inlet dust screen; 19. a fan; 20. a support bar; 21. a wind deflector; 22. a buffer cloth; 23. fixing the rod; 24. a squeegee; 25. inserting plates; 26. a rack; 27. a gear; 28. a second motor; 29. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-4, the embodiment of the invention provides a rice grain rough separation and screening device, which comprises a housing 3, wherein a first discharge port 2, a second discharge port 4, a third discharge port 5 and a fourth discharge port 7 are sequentially arranged on the side surface of the housing 3, an air-out dustproof net 6 is arranged on the side wall of the housing 3 and between the third discharge port 5 and the fourth discharge port 7, a hopper 8 is fixedly connected with one side of the upper end of the housing 3, a first inclined plate 9, a second inclined plate 11, a third inclined plate 13 and a fourth inclined plate 15 are sequentially arranged in the housing 3, a plurality of partition plates 10 are fixedly connected with the inner wall of the housing 3, the first inclined plate 9, the second inclined plate 11, the third inclined plate 13 and the fourth inclined plate 15 are all separated by the partition plates 10, a screen 12 is arranged above the second inclined plate 11, both sides of the screen 12 are fixedly connected with the upper end of the partition plate 10, the air-out dustproof net, the upper wall of shell 3 and be provided with air inlet dust screen 18 in the top of third swash plate 13, the below of air inlet dust screen 18 is provided with fan 19, the inner wall of shell 3 and the first motor 16 of top fixedly connected with at fourth swash plate 15, the inner wall of shell 3 and be provided with roller drum 17 in first motor 16 department, be provided with transmission band 14 on the roller drum 17, the one end extension of first motor 16 is provided with the motor shaft, and the motor shaft runs through roller drum 17, the lower extreme of hopper 8 runs through shell 3 and extends to the top of transmission band 14, the below of the lower extreme of hopper 8 is provided with picture peg 25, upper end one side fixedly connected with rack 26 of picture peg 25.

The first discharge port 2 is communicated with the lower part of the first inclined plate 9, the second discharge port 4 is communicated with the lower part of the second inclined plate 11, the third discharge port 5 is communicated with the lower part of the third inclined plate 13, the fourth discharge port 7 is communicated with the lower part of the fourth inclined plate 15, the upper wall of the shell 3 and the two sides of the fan 19 are fixedly connected with wind shields 21, the middle side wall of the fan 19 is fixedly connected with a support rod 20, the other end of the support rod 20 is fixedly connected with the side wall of the wind shields 21, when the fan 19 works, air is sucked from the air inlet dust screen 18, meanwhile, the wind shields 21 arranged on the two sides of the fan 19 ensure the air supply direction, finally, the air is sent out from the air outlet dust screen 6, the air outlet dust screen 6 and the air inlet dust screen 18 prevent grains from being blown out, simultaneously, the dust is prevented from entering, the cleanness of materials is ensured, the side wall of the shell 3 is fixedly, and the lateral wall fixedly connected with gear 27 of motor shaft, gear 27 and rack 26 intermeshing, the inside of shell 3 and in the top fixedly connected with dead lever 23 of first swash plate 9, be provided with buffering cloth 22 between the dead lever 23, the upper end of transmission band 14 is provided with recess 29, the distribution that the material can be homoenergetic has been guaranteed in setting up of recess 29 and scraper blade 24 is on transmission band 14, it piles up to avoid the material to take place, the dispersion can not be opened when the material throws, lead to the husky complete separation of millet, the degree of depth of recess 29 is the thickness of 1 ~ 2 grain rice, the inner wall fixedly connected with scraper blade 24 of shell 3, the lower extreme of scraper blade 24 and the upper end contact of transmission band 14, the lower extreme fixedly connected with of shell 3 a plurality.

The working principle is as follows: when the invention is used, the fan 19 and the first motor 16 are started, materials are placed in the hopper 8, the second motor 28 is started, the materials are driven by the gear 27 and the rack 26, the inserting plate 25 is pulled out from the lower end of the hopper 8, the materials fall on the conveying belt 14, when the first motor 16 works and passes through the scraping plate 24, the materials which are not in the groove 29 of the conveying belt 14 are scraped to the fourth inclined plate 15 and are sent out through the fourth discharging hole 7, the materials can be placed in the hopper 8 again, when the materials in the groove 29 are thrown out under the fan 19 under the action of the conveying belt 14, coarse grains in the materials are blown to the third inclined plate 13 and are sent out through the third discharging hole 5, and the whole grain rice in the materials obtains larger kinetic energy under the action of the conveying belt 14, in order to avoid rice impact crushing, the buffering cloth 22 is arranged, the materials fall into the first inclined plate 9 and are sent out through the first discharging hole 2, and the kinetic energy obtained by crushing rice in the materials is smaller, and basically falls on the screen 12 under the action of the fan 19, and falls on the second inclined plate 11 after being screened, and is discharged through the second discharge port 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rice grain roughness separation and screening device, comprising a housing (3), characterized in that: the air-out dust-proof screen is characterized in that a first discharge hole (2), a second discharge hole (4), a third discharge hole (5) and a fourth discharge hole (7) are sequentially arranged on the side face of the shell (3), an air-out dust-proof screen (6) is arranged between the third discharge hole (5) and the fourth discharge hole (7) on the side wall of the shell (3), a hopper (8) is fixedly connected to one side of the upper end of the shell (3), a first inclined plate (9), a second inclined plate (11), a third inclined plate (13) and a fourth inclined plate (15) are sequentially arranged in the shell (3), a plurality of partition plates (10) are fixedly connected to the inner wall of the shell (3), the first inclined plate (9), the second inclined plate (11), the third inclined plate (13) and the fourth inclined plate (15) are all separated by the partition plates (10), a screen (12) is arranged above the second inclined plate (11), and the two sides of the screen (12) are all fixedly connected with the, the air outlet dust screen (6) is positioned at the third inclined plate (13), the air inlet dust screen (18) is arranged on the upper wall of the shell (3) and above the third inclined plate (13), a fan (19) is arranged below the air inlet dustproof net (18), a first motor (16) is fixedly connected on the inner wall of the shell (3) and above the fourth inclined plate (15), a roller drum (17) is arranged on the inner wall of the shell (3) and at the first motor (16), a transmission belt (14) is arranged on the roller drum (17), a motor shaft is arranged at one end of the first motor (16) in an extending way, a motor shaft penetrates through the roller drum (17), the lower end of the hopper (8) penetrates through the shell (3) and extends to the upper part of the conveying belt (14), an inserting plate (25) is arranged below the lower end of the hopper (8), and a rack (26) is fixedly connected to one side of the upper end of the inserting plate (25).

2. A rice grain roughness separating and screening apparatus as claimed in claim 1, wherein: the first discharge hole (2) is communicated with the lower part of the first inclined plate (9), and the second discharge hole (4) is communicated with the lower part of the second inclined plate (11).

3. A rice grain roughness separating and screening apparatus as claimed in claim 1, wherein: the lower parts of the third discharge hole (5) and the third inclined plate (13) are communicated, and the lower parts of the fourth discharge hole (7) and the fourth inclined plate (15) are communicated.

4. A rice grain roughness separating and screening apparatus as claimed in claim 1, wherein: the utility model discloses a fan, including shell (3), the equal fixedly connected with deep bead (21) in the both sides of upper wall and fan (19) of shell (3), the middle part lateral wall fixedly connected with bracing piece (20) of fan (19), the lateral wall fixed connection of the other end of bracing piece (20) and deep bead (21).

5. A rice grain roughness separating and screening apparatus as claimed in claim 1, wherein: the lateral wall fixedly connected with second motor (28) of shell (3), the one end of second motor (28) extends and is provided with the motor shaft, and the lateral wall fixedly connected with gear (27) of motor shaft, gear (27) and rack (26) intermeshing.

6. A rice grain roughness separating and screening apparatus as claimed in claim 1, wherein: the inner part of the shell (3) is fixedly connected with fixing rods (23) above the first inclined plate (9), and buffering cloth (22) is arranged between the fixing rods (23).

7. A rice grain roughness separating and screening apparatus as claimed in claim 1, wherein: the upper end of transmission band (14) is provided with recess (29), the degree of depth of recess (29) is the thickness of 1 ~ 2 grain rice, the inner wall fixedly connected with scraper blade (24) of shell (3), the lower extreme of scraper blade (24) and the upper end contact of transmission band (14).

8. A rice grain roughness separating and screening apparatus as claimed in claim 1, wherein: the lower end of the shell (3) is fixedly connected with a plurality of supporting legs (1).