CN211246928U

CN211246928U - Seed sieving mechanism

Info

Publication number: CN211246928U
Application number: CN201922063244.5U
Authority: CN
Inventors: 秦中明
Original assignee: Chongqing Jiangjin Rongfei Agricultural Development Co ltd
Current assignee: Chongqing Jiangjin Rongfei Agricultural Development Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-14
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a seed screening device, which comprises a feed inlet, a screening device shell and a wind outlet; the feeding hole is arranged on the left side above the screening device shell, and a wind outlet is arranged on one side of the screening device shell; the other side of the screening device shell is provided with a bulge, and the bulge is provided with an air blowing mechanism; the blowing port of the blowing mechanism is positioned at one side of the wind power outlet; the bottom of the bulge is also provided with a stirring mechanism; screening device shell bottom is provided with the bottom discharge mouth and is provided with the second valve on the bottom discharge mouth. Through the cooperation of the blowing mechanism and the stirring mechanism, the seeds are separated in two steps, so that the number of bad seeds contained in the separated seeds is reduced, and the separation efficiency is improved.

Description

Seed sieving mechanism

Technical Field

The utility model relates to an agricultural machine field specifically is a seed sieving mechanism.

Background

Seeds need to be screened before sowing, the seeds are shriveled, damaged seeds are removed, otherwise, the bad seeds waste land resources and do not produce crops. If the picking is performed manually, the efficiency is low and the person is tired. Partially bad seeds, which are similar in shape to good seeds, may be inadvertently picked manually, resulting in the partial seeds not being removed.

And present most seed screening all can use machinery to screen, and mechanical screening efficiency is higher, and present most mechanical screening, inside the seed after the screening still has the seed of shrivelled or the seed of damaging, can't separate out shrivelled seed completely, and the screening effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

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

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

a seed screening device comprises a feed inlet, a screening device shell and a wind power outlet; the feeding hole is arranged on the left side above the screening device shell, and a wind outlet is arranged on one side of the screening device shell; the other side of the screening device shell is provided with a bulge, and the bulge is provided with an air blowing mechanism; the blowing port of the blowing mechanism is positioned at one side of the wind power outlet; the bottom of the bulge is also provided with a stirring mechanism; a bottom discharge hole is formed in the bottom of the screening device shell, and a second valve is arranged on the bottom discharge hole;

the blowing mechanism comprises a first rotating shaft, fan blades, a first coupler and a first motor; the first motor is fixed on the bulge, and the output end of the first motor is connected with a first rotating shaft through a first coupler; a plurality of fan blades are symmetrically fixed on the left side of the first rotating shaft;

the stirring mechanism comprises a second motor, a second rotating shaft, a flood dragon blade and a second coupler; the second motor is fixed at the bottom of the protrusion, and the output end of the second motor is connected with a second rotating shaft through a second coupling; a flood dragon blade is fixed on the second rotating shaft.

As a further aspect of the present invention: the inner wall of the bottom of the screening device shell is provided with a baffle; the baffle is concave and is provided with a plurality of through holes which are distributed at equal intervals; a plurality of first supports are symmetrically arranged between the baffle and the screening device shell.

As a further aspect of the present invention: a middle discharge hole is also formed in one side of the screening device shell; the middle discharge port is positioned below the water surface and above the baffle; and a first valve is arranged on the middle discharge hole.

As a further aspect of the present invention: screening device shell bottom slope sets up and bottom discharge gate sets up the least side in screening device shell bottom.

As a further aspect of the present invention: a slideway is also arranged in the screening device shell; one end of the slideway is arranged at the bottom of the feed inlet, and the other end of the slideway is arranged above a blowing port of the blowing mechanism; the shape of the slideway is isosceles trapezoid, and the upper part of the slideway is connected to the bottom of the feed port; the slideway comprises a slideway upper side, a slideway lower side and a retaining column; a plurality of retaining columns are arranged between the upper side of the slideway and the lower side of the slideway; and a second support is arranged between the screening device shell and the bottom of the lower side of the slide way.

As a further aspect of the present invention: the retaining columns are cylindrical and are distributed on the lower side of the slide rail at equal intervals; the blocking columns are distributed along a triangular array.

Compared with the prior art, the beneficial effects of the utility model are that: through the cooperation of the blowing mechanism and the stirring mechanism, the seeds are separated in two steps, so that the number of bad seeds contained in the separated seeds is reduced, and the separation efficiency is improved.

Drawings

FIG. 1 is a schematic view of a seed screening apparatus.

Fig. 2 is a schematic structural diagram of another seed screening device.

Fig. 3 is a schematic view of the structure of the slide way in fig. 2.

In the figure: 1-feeding hole, 2-screening device shell, 3-wind outlet, 4-baffle, 5-through hole, 6-first support, 7-first rotating shaft, 8-fan blade, 9-second motor, 10-second rotating shaft, 11-flood dragon blade, 12-second coupling, 13-first coupling, 14-first motor, 15-protrusion, 16-first valve, 17-middle discharge hole, 18-second valve, 19-bottom discharge hole, 20-second support, 21-slideway upper side, 22-retaining column, 23-slideway lower side, and 24-water surface.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1, the present embodiment provides a seed screening apparatus, which includes a feeding port 1, a screening apparatus housing 2 and a wind outlet 3; the feeding hole 1 is arranged on the left side above the screening device shell 2, and a wind outlet 3 is arranged on one side of the screening device shell 2; a bulge 15 is arranged on the other side of the screening device shell 2, a blowing mechanism is arranged on the bulge 15, and a blowing port of the blowing mechanism is positioned on one side of the wind outlet 3; the bottom of the bulge 15 is also provided with a stirring mechanism; a bottom discharge hole 19 is formed in the bottom of the screening device shell 2, and a second valve 18 is arranged on the bottom discharge hole 19; when seeds need to be screened, the seeds to be screened are fed from the feeding hole 1, and meanwhile, the blowing mechanism starts to work to blow out partial shrivelled seeds in the seeds to be screened from the wind outlet 3, so that the seeds are preliminarily separated; the seeds then enter the lower half of the housing 2 of the screening apparatus and are agitated by the agitation means, whereupon the damaged seeds and unseparated flat seeds float on the water surface 24 under the action of buoyancy and the agitation means, and the good seeds sink to the bottom of the housing 2 of the screening apparatus and are finally discharged from the bottom discharge port 19.

The blowing mechanism comprises a first rotating shaft 7, fan blades 8, a first coupler 13 and a first motor 14; the first motor 14 is fixed on the bulge 15, and the output end of the first motor is connected with the first rotating shaft 7 through the first coupler 13; a plurality of fan blades 8 are symmetrically fixed on the left side of the first rotating shaft 7 and used for blowing air.

The stirring mechanism comprises a second motor 9, a second rotating shaft 10, a flood dragon blade 11 and a second coupler 12; the second motor 9 is fixed at the bottom of the bulge 15, and the output end of the second motor 9 is connected with a second rotating shaft 10 through a second coupling 12; be fixed with flood dragon blade 11 on the second axis of rotation 10, when second motor 9 during operation, drive second axis of rotation 10 and rotate to drive flood dragon blade 11 and rotate, thereby the drive is waited to filter the seed and is followed the liquid level below and upwards moved.

In order to ensure the accuracy of separation, the inner wall of the bottom of the screening device shell 2 is provided with a baffle 4; the baffle 4 is concave, and a plurality of through holes 5 which are distributed at equal intervals are arranged on the baffle 4; a plurality of first supports 6 are symmetrically arranged between the baffle 4 and the screening device shell 2 and are used for supporting the baffle 4; with this arrangement, the filled seeds will drop from the through holes 5 until all the filled seeds drop.

In order to separate the shriveled seeds from the water surface, a middle discharge hole 17 is also arranged at one side of the screening device shell 2; the middle discharge hole 17 is positioned below the water surface 24 and above the baffle 4; a first valve 16 is arranged on the middle discharge hole 17; when the seeds are completely separated, the first valve 16 is opened, and the now shriveled seeds flow into the middle discharge port 17 with the water.

In order to enable full seeds to flow completely out of the bottom of the screening device housing 2, the bottom of the screening device housing 2 is arranged obliquely and the bottom outlet 19 is arranged at the lowest side of the bottom of the screening device housing 2.

The working principle of the embodiment is as follows: when seeds need to be screened, the seeds to be screened are fed from the feeding hole 1, and meanwhile, the blowing mechanism starts to work to blow out partial shrivelled seeds in the seeds to be screened from the wind outlet 3, so that the seeds are preliminarily separated; afterwards the seed enters into sieving mechanism shell 2 the latter half and is stirred by rabbling mechanism, bad seed this moment and unseparated shrivelled seed float on the surface of water 24 under buoyancy and rabbling mechanism's effect, and good seed sinks on baffle 4 and finally drops to sieving mechanism shell 2 bottom from through-hole 5 on baffle 4, and the seed that finally damages is discharged from middle part discharge gate 17, and good seed is discharged from bottom discharge gate 19.

Example 2

Referring to fig. 2-3, the present embodiment is further improved on the basis of embodiment 1, and the improvement is: a slideway is also arranged in the screening device shell 2; one end of the slideway is arranged at the bottom of the feed port 1, and the other end of the slideway is arranged above a blowing port of the blowing mechanism; the shape of the slideway is isosceles trapezoid, and the upper part of the slideway is connected to the bottom of the feed port 1; the slideway comprises a slideway upper side 21, a slideway lower side 23 and a retaining column 22; a plurality of retaining columns 22 are arranged between the upper side 21 and the lower side 23 of the slide way, so that the seeds can fall in a wide strip shape after falling from the slide way, and the primary separation of the blowing mechanism is more effective; a second bracket 20 is arranged between the screening device housing 2 and the bottom of the slideway underside 23.

The retaining columns 22 are cylindrical in shape and are distributed on the lower side 23 of the slideway at equal intervals; the plurality of the retaining posts 22 are distributed along a triangular array, so that the seeds are distributed more uniformly when falling.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A seed screening device is characterized by comprising a feed inlet (1), a screening device shell (2) and a wind power outlet (3); the feeding hole (1) is arranged on the left side above the screening device shell (2), and a wind outlet (3) is arranged on one side of the screening device shell (2); a bulge (15) is arranged on the other side of the screening device shell (2), and a blowing mechanism is arranged on the bulge (15); the blowing port of the blowing mechanism is positioned at one side of the wind power outlet (3); the bottom of the bulge (15) is also provided with a stirring mechanism; a bottom discharge hole (19) is formed in the bottom of the screening device shell (2), and a second valve (18) is arranged on the bottom discharge hole (19);

the blowing mechanism comprises a first rotating shaft (7), fan blades (8), a first coupling (13) and a first motor (14); the first motor (14) is fixed on the bulge (15), and the output end of the first motor is connected with a first rotating shaft (7) through a first coupling (13); a plurality of fan blades (8) are symmetrically fixed on the left side of the first rotating shaft (7);

the stirring mechanism comprises a second motor (9), a second rotating shaft (10), a flood dragon blade (11) and a second coupler (12); the second motor (9) is fixed at the bottom of the bulge (15), and the output end of the second motor (9) is connected with a second rotating shaft (10) through a second coupling (12); a flood dragon blade (11) is fixed on the second rotating shaft (10).

2. The seed screening apparatus according to claim 1, characterized in that the inner wall of the bottom of the screening apparatus housing (2) is provided with a baffle (4); the baffle (4) is concave, and a plurality of through holes (5) are arranged on the baffle (4) at equal intervals; a plurality of first supports (6) are symmetrically arranged between the baffle (4) and the screening device shell (2).

3. The seed screening apparatus according to claim 2, wherein one side of the screening apparatus housing (2) is further provided with a middle discharge port (17); the middle discharge hole (17) is positioned below the water surface (24) and above the baffle (4); and a first valve (16) is arranged on the middle discharge hole (17).

4. Seed screening apparatus according to claim 3, characterized in that the screening apparatus housing (2) is arranged with its bottom inclined and the bottom outlet (19) is arranged at the lowest side of the bottom of the screening apparatus housing (2).

5. The seed screening apparatus according to claim 4, characterized in that a slideway is further arranged inside the screening apparatus housing (2); one end of the slideway is arranged at the bottom of the feed port (1), and the other end of the slideway is arranged above a blowing port of the blowing mechanism; the shape of the slide way is isosceles trapezoid, and the upper part of the slide way is connected to the bottom of the feed port (1); the slideway comprises a slideway upper side (21), a slideway lower side (23) and a retaining column (22); a plurality of retaining columns (22) are arranged between the upper side (21) and the lower side (23) of the slideway; and a second support (20) is arranged between the screening device shell (2) and the bottom of the lower side (23) of the slideway.

6. Seed screening apparatus according to claim 5, characterized in that the bars (22) are cylindrical in shape and are arranged equidistantly on the chute underside (23); the retaining columns (22) are distributed along a triangular array.