CN217595179U

CN217595179U - Seed sieving mechanism for farming

Info

Publication number: CN217595179U
Application number: CN202220113892.6U
Authority: CN
Inventors: 周先月; 秦家乐; 周先亮; 绍峰; 龚世恒; 薛晓昊
Original assignee: Ma'anshan Yuan Mei Agricultural Science And Technology Co ltd
Current assignee: Ma'anshan Yuan Mei Agricultural Science And Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-10-18
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a seed screening device for agricultural planting, including the screening case, the center fixedly connected with guide box at screening roof portion, the both sides of guide box roof portion all fixedly connected with guide shell fragment, the middle part fixedly connected with guide motor of guide box inner wall, the output fixedly connected with guide roller of guide motor, the one end of guide roller is connected with the inner wall rotation of guide box, the outer wall fixedly connected with a plurality of guide push pedals of guide roller; when the utility model is used for sieving operation, the seeds do not need to be stirred and turned over by driving a stirring plate or a vibrating screen, and the seeds are slightly damaged; when the utility model is used for feeding seeds, the material guide motor drives the material guide push plate to rotate, and the seeds in the material guide box are driven to fall into the screening box at intervals; the feeding speed of the seeds is uniform and controllable, the seeds are prevented from being accumulated during screening, and the screening efficiency is effectively improved.

Description

Seed sieving mechanism for farming

Technical Field

The utility model relates to a relevant technical field of seed processing equipment specifically is a seed sieving mechanism for farming.

Background

The seed screening is to screen out impurities, blighted grains and small-sized seeds in the seeds and select and retain high-quality seeds with large, full and tidy grains so as to improve the quality of the seeds.

As shown in fig. 1, a seed screening apparatus in the prior art is configured to feed seeds through a feed port, filter the seeds through a screening net, and rotate a motor-driven stirring rod to push and stir the seeds on the screening net, thereby screening the seeds. When the screening mode is used for screening, the seeds are easily damaged due to frequent mechanical stirring movement, so that the quality of the seeds is reduced; meanwhile, a large amount of seeds are usually fed into the screening device at the same time, and the seeds are easy to accumulate during screening, so that the screening efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seed sieving mechanism for farming to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a seed screening device for agricultural planting comprises a screening box, wherein a material guide box is fixedly connected to the center of the top of the screening box, material guide elastic pieces are fixedly connected to two sides of the top of the material guide box, a material guide motor is fixedly connected to the middle of the inner wall of the material guide box, a material guide roller is fixedly connected to the output end of the material guide motor, one end of the material guide roller is rotatably connected with the inner wall of the material guide box, and a plurality of material guide push plates are fixedly connected to the outer wall of the material guide roller; the top of the inner wall of the screening box is provided with a feed inlet, and the top of the feed inlet is communicated with the bottom of the material guide box;

the middle part of the inner wall of the screening box is fixedly connected with an arc-shaped splitter plate, the middle part of the arc-shaped splitter plate is provided with a plurality of filtering holes, and a discharge plate is arranged below the arc-shaped splitter plate;

the middle part of the discharge plate is provided with a plurality of sundry outlets, both sides of the bottom of the discharge plate are fixedly connected with air blowing plates, and the inner walls of the two air blowing plates are fixedly connected with air blowing fans;

an impurity removing fan is fixedly installed on one side of the inner wall of the screening box, a dust isolating net is fixedly connected to the other side of the inner wall of the screening box, a net isolating frame is connected to one side of the top of the screening box in a clamping mode, a material isolating net is fixedly connected to the middle of the net isolating frame, and a dust falling gap is reserved between the material isolating net and the dust isolating net;

the discharging plate is a V-shaped plate, a discharging port is formed in the bottom of one side of the screening box, one end of the discharging plate is obliquely arranged and fixedly connected with the discharging port, and a seed guide-out plate is fixedly connected to one side of the discharging port; the bottom of the inner wall of the screening box is connected with a bearing plate in a sliding manner;

the bottom sliding connection of arc flow distribution plate has the material sleeve that connects, the middle part of screening case one side articulates there is the chamber door, the middle part of chamber door is inlayed and is equipped with the observation window.

Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used for sieving operation, the seeds do not need to be stirred and overturned by driving a stirring plate or a vibrating screen, and the damage to the seeds is small; when the utility model is used for feeding seeds, the material guide motor drives the material guide push plate to rotate, and the seeds in the material guide box are driven to fall into the screening box at intervals; the feeding speed of the seeds is uniform and controllable, the seeds are prevented from being accumulated during screening, and the screening efficiency is effectively improved; the utility model discloses a set up the seed of arc flow distribution plate to whereabouts and guide the reposition of redundant personnel for mixed less impurity and the seed dispersion lighter in the seed, and blow the air current to the seed through the edulcoration fan at the in-process of whereabouts, realize having improved the off-the-shelf cleanliness of screening to the blowing edulcoration operation of seed.

Drawings

FIG. 1 is a schematic diagram of a prior art device;

fig. 2 is a perspective view of the present invention;

FIG. 3 is a cross-sectional view of the screening box of the present invention;

fig. 4 is a schematic view of the position structure of the discharge plate of the present invention.

In the figure: 1. screening the box; 2. a material guiding box; 3. a material guide roller; 4. a material guiding push plate; 5. a material guiding elastic sheet; 6. an arc-shaped splitter plate; 7. a filtration pore; 8. a discharge plate; 9. a blowing plate; 10. a blower fan; 11. a impurity removal fan; 12. a dust-proof net; 13. a net separating frame; 14. a material separation net; 15. a bearing plate; 16. a material receiving sleeve; 17. a box door; 18. and (4) discharging impurities.

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.

Referring to fig. 2 and 3, in an embodiment of the present invention, a seed screening device for agricultural planting includes a screening box 1, a material guiding box 2 is fixedly connected to the center of the top of the screening box 1, material guiding elastic pieces 5 are fixedly connected to both sides of the top of the material guiding box 2, and when no seed enters the material guiding box 2, the top of the material guiding box 2 is closed by the material guiding elastic pieces 5, so as to prevent dust, sundries and the like from entering the material guiding box 2;

the middle part of the inner wall of the material guide box 2 is fixedly connected with a material guide motor, the output end of the material guide motor is fixedly connected with a material guide roller 3, one end of the material guide roller 3 is rotatably connected with the inner wall of the material guide box 2, and the outer wall of the material guide roller 3 is fixedly connected with a plurality of material guide push plates 4; the top of the inner wall of the screening box 1 is provided with a feed inlet, and the top of the feed inlet is communicated with the bottom of the material guide box 2; the material guide motor drives the material guide push plate 4 to rotate, and the seeds in the material guide box 2 are driven to fall into the screening box 1 at intervals; the feeding speed of the seeds is uniform and controllable, and the influence on the screening efficiency caused by the accumulation of the seeds during screening is avoided;

the middle part of the inner wall of the screening box 1 is fixedly connected with an arc-shaped splitter plate 6, and falling seeds are guided and split by the arc-shaped splitter plate 6, so that the falling seeds are dispersed more, and the blowing and impurity removing operation of the impurity removing fan 11 is facilitated;

a plurality of filtering holes 7 are formed in the middle of the arc-shaped splitter plate 6, the bottom of the arc-shaped splitter plate 6 is connected with a material receiving sleeve 16 in a sliding mode, a discharging plate 8 is arranged below the arc-shaped splitter plate 6, and small-particle seeds and impurities in the seeds are preliminarily filtered and collected through the filtering holes 7;

referring to fig. 3 and 4, the middle of the discharging plate 8 is provided with a plurality of impurity outlets 18, both sides of the bottom of the discharging plate 8 are fixedly connected with air blowing plates 9, and the inner walls of the two air blowing plates 9 are fixedly connected with air blowing fans 10; blowing air flow to the seeds by an impurity removing fan 11 to separate light and small impurities mixed in the seeds from the seeds;

an impurity removing fan 11 is fixedly installed on one side of the inner wall of the screening box 1, a dust isolating net 12 is fixedly connected to the other side of the inner wall of the screening box 1, a net isolating frame 13 is connected to one side of the top of the screening box 1 in a clamping mode, a material isolating net 14 is fixedly connected to the middle of the net isolating frame 13, and the mesh size of the material isolating net 14 is larger than that of the dust isolating net 12; a dust falling gap is reserved between the material isolating net 14 and the dust isolating net 12; the dust separation net 12 prevents dust and impurities from flying out to affect the cleanness of the environment, and the material separation net 14 blocks the seeds to prevent the seeds from being blown to fly;

the discharging plate 8 is set to be a V-shaped plate, a discharging port is formed in the bottom of one side of the screening box 1, one end of the discharging plate 8 is obliquely arranged and fixedly connected with the discharging port, and a seed guide plate is fixedly connected to one side of the discharging port; the bottom of the inner wall of the screening box 1 is connected with a bearing plate 15 in a sliding mode, the middle of one side of the screening box 1 is hinged with a box door 17, and an observation window is embedded in the middle of the box door 17.

The utility model discloses a theory of operation: seeds to be screened are sent into a material guiding box 2, the seeds fall into the material guiding box 2 after passing through a material guiding elastic sheet 5, a material guiding motor is started to drive a material guiding rotary roller to rotate, and then a material guiding push plate 4 is driven to rotate, and the seeds in the material guiding box 2 are sent into a screening box 1 at intervals;

the seeds entering the screening box 1 are guided by the arc-shaped splitter plate 6 to be split, and part of the seeds with smaller particles pass through the filtering and fall into the material receiving sleeve 16; the remaining seeds fall from the two sides of the arc-shaped flow distribution plate 6 to the discharge plate 8, in the falling process, the impurity removal fan 11 is started to blow airflow to the seeds, so that the lighter and smaller impurities mixed with the seeds move towards the material separation net 14, the seeds are blocked by the material separation net 14, the impurities pass through the meshes of the material separation net 14 to enter a dust falling gap, and the impurities are blocked by the dust separation net 12 and then fall onto the bearing plate 15 along the dust falling gap;

the seeds falling into the discharging plate 8 move to the discharging port along the discharging plate 8, and the seeds with smaller particles penetrate out of the impurity outlet 18 and fall into the bearing plate 15; meanwhile, the blowing fan is started to blow air out of the impurity outlet 18, so that the seeds on the discharging plate 8 keep moving and overturning, the seeds are prevented from being deposited, and the screening efficiency is improved; after the screening is finished, the receiving plate 15 is taken out, the box door 17 is opened, the receiving sleeve 16 is taken out, and seeds and impurities in the receiving plate and the box door are respectively cleaned.

The foregoing is illustrative and explanatory of the structure of the invention, and it is intended that those skilled in the art who have the structure described herein be able to make various modifications, additions or substitutions thereto, without departing from the scope of the invention as defined in the claims.

Claims

1. The seed screening device for agricultural planting comprises a screening box (1), and is characterized in that an arc-shaped splitter plate (6) is fixedly connected to the middle of the inner wall of the screening box (1), a plurality of filtering holes (7) are formed in the middle of the arc-shaped splitter plate (6), and a discharge plate (8) is arranged below the arc-shaped splitter plate (6); one side fixed mounting of screening case (1) inner wall has edulcoration fan (11), the opposite side fixedly connected with dust separation net (12) of screening case (1) inner wall, the bottom sliding connection of screening case (1) inner wall has accepts board (15).

2. The seed screening device for agricultural planting according to claim 1, wherein the discharging plate (8) is a V-shaped plate, a discharging port is formed in the bottom of one side of the screening box (1), and one end of the discharging plate (8) is obliquely arranged and fixedly connected with the discharging port.

3. The seed screening device for agricultural planting according to claim 1, wherein a separation net rack (13) is connected to one side of the top of the screening box (1) in a clamping mode, a separation net (14) is fixedly connected to the middle of the separation net rack (13), the mesh size of the separation net (14) is larger than that of the dust separation net (12), and a dust falling gap is reserved between the separation net (14) and the dust separation net (12).

4. The seed screening device for agricultural planting according to claim 1, wherein a material receiving sleeve (16) is connected to the bottom of the arc-shaped flow distribution plate (6) in a sliding mode, a box door (17) is hinged to the middle of one side of the screening box (1), and an observation window is embedded in the middle of the box door (17).

5. The seed screening device for agricultural planting according to claim 1, wherein a material guiding box (2) is fixedly connected to the center of the top of the screening box (1), material guiding elastic pieces (5) are fixedly connected to both sides of the top of the material guiding box (2), a material guiding roller (3) is rotatably connected to the middle of the inner wall of the material guiding box (2), and a plurality of material guiding push plates (4) are fixedly connected to the outer wall of the material guiding roller (3).

6. The seed screening device for agricultural planting according to claim 1, wherein a plurality of sundry outlets (18) are formed in the middle of the discharge plate (8), the air blowing plates (9) are fixedly connected to two sides of the bottom of the discharge plate (8), and air blowing fans (10) are fixedly connected to the inner walls of the two air blowing plates (9).