CN214417008U

CN214417008U - Grain sieving mechanism

Info

Publication number: CN214417008U
Application number: CN202120037646.2U
Authority: CN
Inventors: 田运华
Original assignee: Pepper Prince Chongqing Food Co ltd
Current assignee: Pepper Prince Chongqing Food Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-10-19
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a grain sieving mechanism, the power distribution box comprises a box body, the feed inlet has been seted up at box top center, box one side inner wall top fixedly connected with vibrating motor, vibrating motor output shaft bottom fixedly connected with cam, the box inner wall is kept away from vibrating motor one side top and has been seted up clean mouthful, box side outer wall rotates and is connected with the clean baffle corresponding with clean mouthful, the equal fixedly connected with sieve fixed plate in box both sides inner wall top. The utility model leaves the impurities with the diameter larger than that of the grain on the top of the coarse screen through the coarse screen, so that the grain and some fine impurities can leak out of the coarse screen and fall down; when falling, the air blown by the blower can blow light impurities doped in grains to the dust outlet; through the rotation of a roll screen section of thick bamboo, impurity in the screening that can be better in the grain, the grain after the screening flows into the discharge gate from a roll screen section of thick bamboo, makes the screening of grain more convenient, is worth wideling popularize.

Description

Grain sieving mechanism

Technical Field

The utility model relates to an agricultural equipment technical field especially relates to a grain sieving mechanism.

Background

The grain is a generic name of raw grain and finished grain such as cereals, beans, potatoes and the like for eating; the grain crops contain rich nutrient substances, mainly including protein, vitamins, dietary fibers, fat, starch and the like; in particular, cereal grains are not only staple food for humans but also are used for industrial purposes such as brewing.

In the process of processing grain, the grain is often required to be screened so as to separate impurities in the grain and improve the quality of the grain; the existing grain screening device has the problems of complex structure and low screening efficiency, and sometimes the condition of screen blockage occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a grain screening device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a grain screening device comprises a box body, wherein a feed inlet is formed in the center of the top of the box body, a vibrating motor is fixedly connected to the top of the inner wall on one side of the box body, a cam is fixedly connected to the bottom of an output shaft of the vibrating motor, a cleaning opening is formed in the top of the inner wall on one side of the box body, which is far away from the vibrating motor, a cleaning baffle corresponding to the cleaning opening is rotatably connected to the outer wall on the side surface of the box body, sieve plate fixing plates are fixedly connected to the tops of the inner walls on two sides of the box body, a coarse sieve plate is slidably connected to the tops of the two sieve plate fixing plates, two rollers are rotatably connected to the front end and the rear end of the coarse sieve plate, a coarse sieve is arranged in the center of the coarse sieve plate, a rectangular groove corresponding to the cam is formed in one side of the top of the coarse sieve plate, a fan fixing plate is fixedly connected to the center of the inner wall on one side of the box body, an air blower is fixedly connected to the top of the fan fixing plate, and a dust outlet is formed in the side of the box body, which is far away from the fan fixing plate, the center of the side surface of the box body is fixedly connected with a dust cover corresponding to the dust outlet;

the fixed plate is collected to box center fixedly connected with, the equal fixedly connected with cylinder fixed plate in box both sides inner wall bottom, two the equal fixedly connected with bearing frame in cylinder fixed plate top, two bearing frame inner circle fixedly connected with roll screen section of thick bamboo, roll screen section of thick bamboo outer wall center fixedly connected with ring gear, collect fixed plate bottom center fixedly connected with roll motor, roll motor output shaft fixedly connected with and the corresponding gear of ring gear, the discharge gate has been seted up to box one side bottom, box side fixedly connected with and the corresponding play flitch of discharge gate, the waste material mouth has been seted up to box one side bottom, box inner wall bottom fixedly connected with and the corresponding hang plate of waste material mouth.

As a further description of the above technical solution:

the outer surface and the inner surface of the top of the box body are fixedly connected with baffle plates corresponding to the feed inlet.

As a further description of the above technical solution:

the cleaning baffle is connected with the box body through a hinge.

As a further description of the above technical solution:

the top of the sieve plate fixing plate is provided with a groove corresponding to the roller.

As a further description of the above technical solution:

the collecting fixing plate is obliquely arranged, a material pouring barrel is fixedly connected to the bottom of the collecting fixing plate, and the bottom of the material pouring barrel extends into the roller screen barrel.

As a further description of the above technical solution:

the discharge plate runs through the discharge hole and extends to the bottom of the roller screen cylinder.

The utility model discloses following beneficial effect has: 1. impurities with the diameter larger than that of the grains are left at the top of the coarse screen through the coarse screen, and the grains and some fine impurities can leak out of the coarse screen and fall; when falling, the air blown by the blower can blow light impurities doped in the grains to the dust outlet.

2. Through the rotation of the rolling screen drum, grains roll fully in the rolling screen drum, so that impurities in the grains can be screened better; impurity that a roll sieve section of thick bamboo spilt can be followed the waste gate and discharged, and the grain after the screening flows into the discharge gate from a roll sieve section of thick bamboo, makes the screening of grain more convenient, is worth wideling popularize.

Drawings

Fig. 1 is a front view of a grain screening device provided by the utility model;

fig. 2 is a cross-sectional view of a grain screening device provided by the utility model;

fig. 3 is a top view of a coarse sieve plate of the grain screening device provided by the utility model;

FIG. 4 is an enlarged view of a vibration motor of the grain screening apparatus of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a box body; 2. a feed inlet; 3. a vibration motor; 4. a cam; 5. cleaning the mouth; 6. cleaning the baffle; 7. A sieve plate fixing plate; 8. a coarse sieve plate; 9. a roller; 10. coarse screening; 11. a rectangular groove; 12. a fan fixing plate; 13. a blower; 14. a dust outlet; 15. a dust cover; 16. collecting a fixed plate; 17. a roller fixing plate; 18. a bearing seat; 19. rolling the screen cylinder; 20. a ring gear; 21. a rolling motor; 22. a gear; 23. a discharge port; 24. a discharge plate; 25. a waste material port; 26. an inclined plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a grain screening device comprises a box body 1, a feed inlet 2 is formed in the center of the top of the box body 1, grains to be screened are poured into the box body 1 from the feed inlet 2, a vibration motor 3 is fixedly connected to the top of the inner wall of one side of the box body 1, a cam 4 is fixedly connected to the bottom of an output shaft of the vibration motor 3, the cam 4 is driven to rotate by the rotation of the output shaft of the vibration motor 3, a cleaning opening 5 is formed in the top of one side, away from the vibration motor 3, of the inner wall of the box body 1, a coarse screen 10 can be cleaned through the cleaning opening 5, the coarse screen 10 is prevented from being blocked, a cleaning baffle 6 corresponding to the cleaning opening 5 is rotatably connected to the outer wall of the side of the box body 1, the cleaning baffle 6 can prevent the grains from flowing out of the cleaning opening 5 and prevent foreign matters such as external dust from entering the box body 1, sieve fixing plates 7 are fixedly connected to the tops of the inner walls of two sides of the box body 1, and coarse sieve plates 8 are slidably connected to the tops of the two sieve fixing plates 7, the front end and the rear end of the coarse screen plate 8 are both rotationally connected with two rollers 9, the center of the coarse screen plate 8 is provided with a coarse screen 10, the aperture of the coarse screen 10 is larger than the diameter of grain, the grain and some fine impurities can leak out of the coarse screen 10, the impurities with the diameter larger than the grain are left at the top of the coarse screen 10, one side of the top of the coarse screen plate 8 is provided with a rectangular groove 11 corresponding to the cam 4, the cam 4 rotates in the rectangular groove 11 to enable the coarse screen plate 8 to do reciprocating motion, the grain can be better screened, the center of the inner wall at one side of the box body 1 is fixedly connected with a fan fixing plate 12, the top of the fan fixing plate 12 is fixedly connected with an air blower 13, one side of the box body 1, far away from the fan fixing plate 12, is provided with a dust outlet 14, the air blown out by the air blower 13 can blow the light impurities doped in the grain to the dust outlet 14, the center of the side of the box body 1 is fixedly connected with a dust cover 15 corresponding to the dust outlet 14, the dust cover 15 can prevent the foreign substances coming out of the dust outlet 14 from flying in the air.

The center of the box body 1 is fixedly connected with a collecting fixed plate 16, grains and fine impurities leaked from the coarse sieve plate 8 can fall onto the collecting fixed plate 16, the bottoms of the inner walls at two sides of the box body 1 are fixedly connected with roller fixed plates 17, the tops of the two roller fixed plates 17 are fixedly connected with bearing seats 18, inner rings of the two bearing seats 18 are fixedly connected with a rolling sieve cylinder 19, the rolling sieve cylinder 19 is arranged in an inclined manner, two ends of the rolling sieve cylinder 19 are arranged in an open manner, the center of the outer wall of the rolling sieve cylinder 19 is fixedly connected with a gear ring 20, the outer wall of the rolling sieve cylinder 19 is provided with a plurality of fine sieve holes, the aperture of each fine sieve hole is smaller than the diameter of the grains, the fine impurities can pass through the fine sieve holes to fall, the grains cannot break through the fine sieve holes and are left inside the rolling sieve cylinder 19, the inner wall of the rolling sieve cylinder 19 is provided with a plurality of helical blades, and the grains in the rolling sieve cylinder 19 can roll more uniformly through the helical blades, impurities are screened more thoroughly; a rolling motor 21 is fixedly connected at the center of the bottom of the collecting and fixing plate 16, a gear 22 corresponding to the gear ring 20 is fixedly connected with an output shaft of the rolling motor 21, the gear 22 is driven to rotate by the rotation of the output shaft of the rolling motor 21, the gear 22 is meshed with the gear ring 20, the rotation of the gear 22 drives the rolling screen cylinder 19 to rotate, so that grains roll in the rolling screen cylinder 19 and can better screen out impurities in the grains, a discharge hole 23 is formed in the bottom of one side of the box body 1, the screened grains flow into the discharge hole 23 from the rolling screen cylinder 19, a discharge plate 24 corresponding to the discharge hole 23 is fixedly connected to the side surface of the box body 1, the grains slide on the discharge plate 24 through the discharge hole 23, a waste material hole 25 is formed in the bottom of one side of the box body 1, the impurities in the rolling screen cylinder 19 can be discharged from the waste material hole 25, and an inclined plate 26 corresponding to the waste material hole 25 is fixedly connected to the bottom of the inner wall of the box body 1, the inclined plate 26 penetrates the waste port 25 and extends to the outside of the case 1.

The outer surface and the inner surface of the top of the box body 1 are fixedly connected with baffle plates corresponding to the feed inlet 2, so that grains can be poured more conveniently and prevented from being scattered; the cleaning baffle 6 is connected with the box body 1 through a hinge, so that the cleaning baffle 6 can rotate more conveniently; the top of the sieve plate fixing plate 7 is provided with a groove corresponding to the roller 9, so that the coarse sieve plate 8 can slide on the sieve plate fixing plate 7 more smoothly; the collecting fixing plate 16 is obliquely arranged, grains can slide on the collecting fixing plate 16 to prevent the grains from being accumulated, the bottom of the collecting fixing plate 16 is fixedly connected with a material pouring barrel, and the bottom of the material pouring barrel extends into the rolling screen barrel 19; the discharging plate 24 penetrates through the discharging port 23 and extends to the bottom of the rolling screen cylinder 19, and the discharging plate 24 receives grains flowing out of the rolling screen cylinder 19 and prevents the grains from being scattered.

The working principle is as follows: firstly, grains to be screened are poured into the box body 1 from the feeding hole 2, the cam 4 is driven to rotate through the rotation of the output shaft of the vibrating motor 3, the cam 4 rotates in the rectangular groove 11 to enable the coarse screen plate 8 to do reciprocating motion, the grains falling on the coarse screen 10 can be better screened, the grains and some fine impurities can leak out from the coarse screen 10, when the grains fall down, the light impurities doped in the grains can be blown to the dust outlet 14 by the wind blown by the air blower 13, the grains and the fine impurities leaking out from the coarse screen plate 8 can fall onto the collecting and fixing plate 16, the grains slide on the collecting and fixing plate 16 and slide into the rolling screen cylinder 19, the gear 22 is driven to rotate through the rotation of the output shaft of the rolling motor 21, the gear 22 is meshed with the gear ring 20, the rolling screen cylinder 19 is driven to rotate by the rotation of the gear 22, so that the grains roll inside the rolling screen cylinder 19, and the impurities in the grains can be better screened, the impurities leaked from the roller screen cylinder 19 can be discharged from the waste port 25, and the screened grains flow into the discharge port 23 from the roller screen cylinder 19.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a grain sieving mechanism, includes box (1), its characterized in that: the feeding device is characterized in that a feeding hole (2) is formed in the center of the top of the box body (1), a vibrating motor (3) is fixedly connected to the top of one side inner wall of the box body (1), a cam (4) is fixedly connected to the bottom of an output shaft of the vibrating motor (3), a cleaning opening (5) is formed in the top of one side, away from the vibrating motor (3), of the inner wall of the box body (1), a cleaning baffle (6) corresponding to the cleaning opening (5) is connected to the outer wall of the side face of the box body (1) in a rotating mode, sieve plate fixing plates (7) are fixedly connected to the tops of the inner walls of the two sides of the box body (1), a coarse sieve plate (8) is slidably connected to the top of the two sieve plate fixing plates (7), two rollers (9) are rotatably connected to the front end and the rear end of the coarse sieve plate (8), a coarse sieve plate (8) is provided with a coarse sieve plate (10) at the center, one side of the top of the coarse sieve plate (8) is provided with a rectangular groove (11) corresponding to the cam (4), a fan fixing plate (12) is fixedly connected to the center of the inner wall of one side of the box body (1), an air blower (13) is fixedly connected to the top of the fan fixing plate (12), a dust outlet (14) is formed in one side, away from the fan fixing plate (12), of the box body (1), and a dust cover (15) corresponding to the dust outlet (14) is fixedly connected to the center of the side face of the box body (1);

the collecting and fixing device is characterized in that a collecting and fixing plate (16) is fixedly connected to the center of the box body (1), roller fixing plates (17) are fixedly connected to the bottoms of the inner walls of the two sides of the box body (1), bearing seats (18) are fixedly connected to the tops of the two roller fixing plates (17), rolling screen cylinders (19) are fixedly connected to the inner rings of the bearing seats (18), gear rings (20) are fixedly connected to the centers of the outer walls of the rolling screen cylinders (19), rolling motors (21) are fixedly connected to the centers of the bottoms of the collecting and fixing plates (16), gears (22) corresponding to the gear rings (20) are fixedly connected to output shafts of the rolling motors (21), a discharge port (23) is formed in the bottom of one side of the box body (1), discharge plates (24) corresponding to the discharge port (23) are fixedly connected to the side of the box body (1), and a waste material port (25) is formed in the bottom of one side of the box body (1), the bottom of the inner wall of the box body (1) is fixedly connected with an inclined plate (26) corresponding to the waste material port (25).

2. The grain screening device of claim 1, wherein: the outer surface and the inner surface of the top of the box body (1) are fixedly connected with baffle plates corresponding to the feed inlet (2).

3. The grain screening device of claim 1, wherein: the cleaning baffle (6) is connected with the box body (1) through a hinge.

4. The grain screening device of claim 1, wherein: the top of the sieve plate fixing plate (7) is provided with a groove corresponding to the roller (9).

5. The grain screening device of claim 1, wherein: the collecting and fixing plate (16) is obliquely arranged, the bottom of the collecting and fixing plate (16) is fixedly connected with a material pouring cylinder, and the bottom of the material pouring cylinder extends into the rolling screen cylinder (19).

6. The grain screening device of claim 1, wherein: the discharge plate (24) penetrates through the discharge hole (23) and extends to the bottom of the rolling screen cylinder (19).