CN216500717U

CN216500717U - Wheat benevolence quality sieving mechanism

Info

Publication number: CN216500717U
Application number: CN202123272876.6U
Authority: CN
Inventors: 陈贵城; 杨美凤
Original assignee: Yancheng Dafeng Pengcheng Wheat Industry Co ltd
Current assignee: Yancheng Dafeng Pengcheng Wheat Industry Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-13
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to the technical field of wheat production, in particular to a wheat kernel quality screening device which comprises a shell, a base, a stepping motor and a screening bin, wherein the stepping motor is attached to the screening bin through a screening structure, the screening structure comprises a rotating rod arranged on the output end of the stepping motor, a rotating groove formed in the shell, two groups of eccentric wheels sleeved on the surface of the rotating rod, a second telescopic rod attached to the right side surface of a sliding block and limiting blocks arranged on the right side surface of the second telescopic rod, and the limiting blocks are all fixed at an opening on the right side of the sliding groove; through the branch sieve structure that sets up etc, it is more effectively to have avoided using wind-force to blow off the energy that the screening needs to consume, and the cost is higher when sieving the more wheat benevolence of quantity, and can fly away in workspace at the extremely light granule of quality such as blow off in-process dust and debris, to the healthy problem that causes the influence of staff, has improved the practicality of device.

Description

Wheat benevolence quality sieving mechanism

Technical Field

The utility model relates to the technical field of wheat production, in particular to a wheat kernel quality screening device.

Background

Wheat is a general name of wheat plants, is a gramineous plant, is a cereal crop widely planted around the world, has caryopsis which is one of staple food of human beings, can be used for making bread, steamed bread, biscuits, noodles and other foods after being ground into flour, can be used for making beer, alcohol, liquor or biomass fuel after being fermented, wheat kernels are wheat which is wetted by water and then processed by a simple rice mill or a roller, seed coats are removed to obtain wheat kernels, when the quality of the wheat kernels is required to be screened according to the plumpness of the wheat kernels, a wheat kernel quality screening device is generally used, the existing wheat kernel quality screening device can basically meet daily use requirements, but has some defects and needs to be improved.

In the actual use process, the existing wheat kernel quality screening device is generally screened by a winnowing machine, wheat kernels are conveyed to a high place through a conveying belt and are naturally dropped, then, grains such as wheat husks, dust, shriveled wheat kernels and the like are blown off through wind power generated by a fan, the wheat kernels which are not blown off are collected and repeatedly operated, the size of the wind power is adjusted, the second-class wheat with proper grains, smaller volume and lighter weight is blown off, and finally, the first-class wheat is collected, so that the purpose of screening the wheat is achieved, however, the wind power is used for blowing off and screening the consumed energy is more, the cost is higher when the wheat kernels with more quantity are screened, the extremely light grains such as the dust, sundries and the like can be scattered in a working space in the blowing-off process, the influence is caused on the body health of workers, the device is not strong in practicability, and on the basis, the utility model designs the wheat kernel quality screening device, to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wheat kernel quality screening device, which solves the problems that the energy consumption is high when blowing and screening are carried out by using wind power, the cost is high when screening a large number of wheat kernels, and extremely light particles such as dust and sundries can float in a working space in the blowing process, so that the physical health of workers is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme:

a wheat kernel quality screening device comprises a shell, bases, a stepping motor and a screening bin, wherein the left side and the right side of the shell are provided with two groups of bases, the top end of the shell is provided with a stepping motor, two screening bins are arranged in the shell, the stepping motor is jointed with the screening bins through a screening structure, the screening structure comprises a rotating rod arranged on the output end of the stepping motor, a rotating groove arranged in the shell, two groups of eccentric wheels sleeved on the surface of the rotating rod, an elastic plate attached to the surface of the eccentric wheels, a first telescopic rod arranged on the right side surface of the elastic plate, sliding rods arranged on the front and rear end surfaces of the screening bin, sliding blocks arranged on the outer side surfaces of the sliding rods, a sliding groove arranged on the inner wall surface of the shell, a second telescopic rod attached to the right side surface of the sliding block and limiting blocks arranged on the right side surface of the second telescopic rod, wherein the limiting blocks are all fixed at openings on the right side of the sliding groove;

the sliding blocks are embedded in the sliding grooves, and sliding rods penetrate through the inner side surfaces of the sliding grooves;

the bottom end of the upper rotating rod is provided with a plurality of groups of through holes, the bottom end of the middle rotating rod is provided with a plurality of groups of through holes which are smaller than the through holes formed at the bottom end of the upper rotating rod, and the bottom end of the lower rotating rod does not start to be provided with through holes.

As a preferable technical scheme of the utility model, the sliding blocks are all arranged to be rectangular, the sliding grooves are all arranged to be rectangular grooves matched with the sliding blocks, and the right side surfaces of the sliding grooves are provided with openings matched with the sliding blocks.

As a preferred technical scheme of the utility model, the sliding rods are all arranged in a cylindrical shape, and the inner side surfaces of the sliding grooves are all provided with straight groove holes matched with the sliding rods.

As a preferred technical solution of the present invention, the upper and lower end surfaces of the slider are in contact with the sliding groove through rolling structures, and the rolling structures include ball grooves formed on the upper and lower end surfaces of the slider, balls embedded in the ball grooves, and guide grooves formed on the upper and lower end surfaces of the inner wall of the sliding groove.

As a preferred technical scheme, the limiting block is connected with the sliding groove through two groups of limiting structures, each limiting structure comprises a spring groove formed in the upper end surface and the lower end surface of the limiting block, a spring arranged in each spring groove and a limiting rod penetrating through the outer side surface of each spring groove, and the limiting rods penetrate through the outer wall surface of the opening on the right side of the sliding groove.

As a preferred technical scheme of the utility model, the limiting rods are all arranged in a cylindrical shape, and the outer wall surfaces of the upper end and the lower end of the sliding chute are provided with round holes matched with the limiting rods.

As a preferable technical scheme of the utility model, one end of each spring is welded on the surface of the inner wall of each spring groove, and the other end of each spring is welded on the surface of the inner side of each limiting rod.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. through the arranged screening structure and the like, the problems that more energy is consumed when wind power is used for blowing and screening, the cost is higher when more wheat kernels are screened, and extremely light particles such as dust, sundries and the like can be scattered in a working space in the blowing and screening process to influence the physical health of workers are effectively solved, the stepping motor is started to drive the rotating groove to extrude the elastic plate through the rotating rod, the elastic plate is matched with the first telescopic rod to push the screening bin to move, the screening bin drives the sliding block to move under the limitation of the sliding groove, so that the right side surface of the screening bin is in contact with the second telescopic rod and is reset under the pushing of the second telescopic rod, the operation is repeated, the screening bin repeatedly moves back and forth, the wheat kernels in the screening bin are screened, and the purposes of reducing the energy consumption and not raising the dust in the screening operation are achieved, the practicability of the device is improved;

2. through the rolling structure that sets up etc. when effectively having avoided the slider to produce the removal in the spout inside, the problem that produces huge noise is scraped with the spout inner wall to the slider outer wall, through removing the slider, makes the slider pass through the ball and rolls under the restriction of guide way to reach the purpose that reduces the frictional force that the slider produced when the spout is inside to be removed, improved the suitability of device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

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

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is a schematic top cross-sectional view of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 4 at A according to the present invention;

fig. 6 is an enlarged view of the structure of fig. 2 at B according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a housing; 2. a base; 3. a stepping motor; 4. screening bins; 5. a screening structure; 51. a rotating rod; 52. a rotating groove; 53. an eccentric wheel; 54. an elastic plate; 55. a first telescopic rod; 56. a slide bar; 57. a slider; 58. a chute; 59. a second telescopic rod; 510. a limiting block; 6. a rolling structure; 61. a ball groove; 62. a ball bearing; 63. a guide groove; 7. a limiting structure; 71. a spring slot; 72. a spring; 73. a limiting rod.

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.

Referring to fig. 1-6, the present invention provides a technical solution:

a wheat kernel quality screening device comprises a shell 1, bases 2, a stepping motor 3 and screening bins 4, wherein two groups of bases 2 are arranged on the left side and the right side of the shell 1, the stepping motor 3 is arranged at the top end of the shell 1, two groups of screening bins 4 are arranged in the shell 1, the stepping motor 3 is attached to the screening bins 4 through a screening structure 5, the screening structure 5 comprises a rotating rod 51 arranged on the output end of the stepping motor 3, a rotating groove 52 arranged in the shell 1, two groups of eccentric wheels 53 sleeved on the surfaces of the rotating rod 51, an elastic plate 54 attached to the surface of the eccentric wheels 53, a first telescopic rod 55 arranged on the right side surface of the elastic plate 54, sliding rods 56 arranged on the front end surface and the rear end surface of the screening bins 4, sliding blocks 57 arranged on the outer side surfaces of the sliding rods 56, sliding grooves 58 arranged on the inner wall surface of the shell 1, a second telescopic rod 59 attached to the right side surface of the sliding blocks 57 and limiting blocks 510 arranged on the right side surface of the second telescopic rod 59, the limiting blocks 510 are all fixed at the opening on the right side of the sliding chute 58;

the sliding blocks 57 are embedded inside the sliding grooves 58, and the sliding rods 56 penetrate through the inner side surfaces of the sliding grooves 58;

a plurality of groups of through holes are formed in the bottom end of the upper rotating rod 51, a plurality of groups of through holes formed in the bottom end of the middle rotating rod 51 are smaller than through holes formed in the bottom end of the upper rotating rod 51, and through holes are not formed in the bottom end of the lower rotating rod 51.

When wheat kernels need to be screened, the stepping motor 3 is started, the stepping motor 3 drives the rotating rod 51 to rotate, the rotating rod 51 drives the eccentric wheel 53 to rotate in the rotating groove 52, the surface of the eccentric wheel 53 is in contact with the inner wall of the elastic plate 54 and pushes the elastic plate 54, the elastic plate 54 pushes the screening bin 4 to move under the cooperation of the first telescopic rod 55, the screening bin 4 drives the sliding block 57 to move in the sliding groove 58 through the sliding rod 56, the right side surface of the sliding block 57 extrudes the second telescopic rod 59, the second telescopic rod 59 pushes the screening bin 4 to reset under the action of elastic deformation, the eccentric wheel 53 can push the screening bin 4 again, small-particle impurities and second-class wheat in the screening bin 4 fall into the next-layer screening bin 4 from the bottom end, the screening bin 4 in the middle is repeatedly operated to screen the small-particle impurities to the lowest screening bin 4, the limiting block 510 is pulled again to move out the limiting block 510 from the inside the sliding groove 58, and the screening bin 4 is pulled again, so that the screening bin 4 drives the sliding block 57 to move out from the inside of the sliding chute 58, and the screened wheat and impurities in the screening bin 4 are collected.

The sliding blocks 57 are all rectangular, the sliding grooves 58 are all rectangular grooves matched with the sliding blocks 57, and openings matched with the sliding blocks 57 are formed in the right side surfaces of the sliding grooves 58;

through the design, the sliding block 57 can move in the sliding groove 58, so that the aim of adjusting and limiting the position of the screening bin 4 through the mutual matching of the sliding block 57 and the sliding groove 58 is fulfilled.

The sliding rods 56 are all arranged in a cylindrical shape, and the inner side surfaces of the sliding grooves 58 are all provided with straight slot holes matched with the sliding rods 56;

through the design, the sliding rod 56 can move in a straight slot hole formed on the inner side surface of the sliding groove 58, so that the sliding rod 56 drives the sliding block 57 to move in the sliding groove 58.

Wherein, the upper and lower end surfaces of the sliding block 57 are contacted with the sliding chute 58 through the rolling structure 6, the rolling structure 6 comprises a ball groove 61 arranged on the upper and lower end surfaces of the sliding block 57, a ball 62 embedded in the ball groove 61 and a guide groove 63 arranged on the upper and lower end surfaces of the inner wall of the sliding chute 58;

through the design, when the sliding block 57 moves in the sliding groove 58, the sliding block 57 can drive the ball groove 61 to move, the ball groove 61 drives the ball 62 to roll in the guide groove 63, and the sliding block 57 is in contact with the sliding groove 58 by taking the ball 62 as a medium, so that the purposes of reducing the contact area between the sliding block 57 and the sliding groove 58 and reducing the friction force generated when the sliding block 57 moves in the sliding groove 58 are achieved.

The limiting block 510 is connected with the sliding groove 58 through two sets of limiting structures 7, each limiting structure 7 comprises a spring groove 71 formed in the upper end surface and the lower end surface of the limiting block 510, a spring 72 arranged in the spring groove 71 and a limiting rod 73 penetrating through the outer side surface of the spring groove 71, and the limiting rods 73 all penetrate through the outer wall surface of the right opening of the sliding groove 58;

when the limiting block 510 needs to be removed, the limiting rod 73 is pressed to extrude the spring 72, the spring 72 is elastically deformed due to the extrusion of the limiting rod 73, the spring 72 pulls the limiting rod 73 to be taken in the spring groove 71, the limiting rod 73 is not matched with the sliding groove 58 to limit the position of the limiting block 510, and the limiting block 510 can be moved out of the sliding groove 58, so that the purpose of removing the limitation of the limiting block 510 on the sliding block 57 is achieved.

Wherein, the limiting rods 73 are all arranged in a cylindrical shape, and the outer wall surfaces of the upper end and the lower end of the sliding chute 58 are all provided with round holes matched with the limiting rods 73;

through the design, the limiting rod 73 can penetrate through the round holes formed in the outer wall surfaces of the upper end and the lower end of the sliding groove 58, and therefore the purpose of limiting the position of the limiting block 510 through the limiting rod 73 and the sliding groove 58 is achieved.

Wherein, one end of the spring 72 is welded on the inner wall surface of the spring groove 71, and the other end of the spring 72 is welded on the inner side surface of the limiting rod 73;

with this design, the distance between the inner wall surface of the spring groove 71 and the inner side surface of the stopper rod 73 can be shortened by pressing the spring 72, thereby achieving the purpose of adjusting the position of the stopper rod 73.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a wheat benevolence quality sieving mechanism, includes shell (1), base (2), step motor (3) and divides sieve storehouse (4), shell (1) the left and right sides all is provided with two sets of base (2), shell (1) top is provided with step motor (3), shell (1) inside is provided with two sets of branch sieves storehouse (4), its characterized in that: the stepping motor (3) is jointed with the screening bin (4) through the screening structure (5), the screening structure (5) comprises a rotating rod (51) arranged on the output end of the stepping motor (3), a rotating groove (52) formed in the shell (1), two groups of eccentric wheels (53) sleeved on the surface of the rotating rod (51), an elastic plate (54) attached to the surface of the eccentric wheels (53), a first telescopic rod (55) arranged on the right side surface of the elastic plate (54), sliding rods (56) arranged on the front and rear end surfaces of the screening bin (4), a sliding block (57) arranged on the outer side surface of the sliding rod (56), a sliding groove (58) formed on the inner wall surface of the shell (1), a second telescopic rod (59) attached to the right side surface of the sliding block (57) and a limiting block (510) arranged on the right side surface of the second telescopic rod (59), the limiting blocks (510) are all fixed at the opening on the right side of the sliding groove (58);

the sliding blocks (57) are embedded in the sliding grooves (58), and the sliding rods (56) penetrate through the inner side surfaces of the sliding grooves (58);

the bottom end of the upper rotating rod (51) is provided with a plurality of groups of through holes, the bottom end of the middle rotating rod (51) is provided with a plurality of groups of through holes which are smaller than the through holes formed at the bottom end of the upper rotating rod (51), and the bottom end of the lower rotating rod (51) does not start to be provided with through holes.

2. The wheat kernel quality screening device according to claim 1, wherein: the slider (57) all sets up to the rectangle, spout (58) all set up to the rectangular channel of mutually supporting with slider (57), spout (58) right side surface is seted up with the opening of slider (57) mutual accessory.

3. The wheat kernel quality screening device according to claim 1, wherein: the sliding rods (56) are all arranged in a cylindrical shape, and the inner side surfaces of the sliding grooves (58) are all provided with straight groove holes matched with the sliding rods (56).

4. The wheat kernel quality screening device according to claim 1, wherein: the upper end surface and the lower end surface of the sliding block (57) are in contact with the sliding groove (58) through rolling structures (6), and each rolling structure (6) comprises a ball groove (61) formed in the upper end surface and the lower end surface of the sliding block (57), balls (62) embedded in the ball grooves (61) and guide grooves (63) formed in the upper end surface and the lower end surface of the inner wall of the sliding groove (58).

5. The wheat kernel quality screening device according to claim 1, wherein: stopper (510) are connected with spout (58) through two sets of limit structure (7), limit structure (7) are including offering spring groove (71) on the surface of both ends about stopper (510), setting spring (72) inside spring groove (71) and gag lever post (73) that runs through spring groove (71) outside surface, gag lever post (73) all run through the outer wall surface of spout (58) right side opening part.

6. A wheat kernel quality screening device according to claim 5, wherein: the limiting rod (73) is cylindrical, and round holes matched with the limiting rod (73) are formed in the outer wall surfaces of the upper end and the lower end of the sliding groove (58).

7. A wheat kernel quality screening device according to claim 5, wherein: one end of the spring (72) is welded on the inner wall surface of the spring groove (71), and the other end of the spring (72) is welded on the inner side surface of the limiting rod (73).