CN111151451A

CN111151451A - Seed sieving mechanism for farming

Info

Publication number: CN111151451A
Application number: CN202010095199.6A
Authority: CN
Inventors: 郭爱秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-05-15

Abstract

The invention discloses a seed screening device for agricultural planting, which comprises a box body and a seed screening component arranged in the box body, the seed screening component comprises a winnowing component and a water sorting component, the winnowing component comprises a guide plate and a blower, the top of the guide plate is obliquely arranged and provided with an air outlet, the air outlet is bent and provided with a bent part in the middle, the top of the box body is provided with an opening, an exhaust fan is fixedly arranged at the opening part, a dust storage box is fixedly arranged above the side wall of the box body and is communicated with the dust outlet end of the suction fan through a guide pipe, seeds to be screened are firstly winnowed through the winnowing component, and then the seeds are further screened through the water sorting component, make this device effectual to the screening of seed, the screening efficiency is high, debris such as dust, seed shell and shrivelled seed that exist in the clearance seed that can be thorough.

Description

Seed sieving mechanism for farming

Technical Field

The invention relates to a screening device, in particular to a seed screening device for agricultural planting.

Background

The seed need filter it before sowing, gets rid of impurity that exists in the seed and shrivelled seed, but the screening effect of the seed sieving mechanism who uses at present is not good, and screening efficiency is lower, and dust and seed shell and shrivelled seed that exist in the getting rid of the seed that moreover can not be thorough lead to the screening quality relatively poor, often still need relapse a lot of screening, waste time and energy.

Disclosure of Invention

The invention aims to provide a seed screening device for agricultural planting, which aims to solve the problems in the background technology.

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

a seed screening device for agricultural planting comprises a box body and a seed screening component arranged in the box body, wherein two seed inlets are symmetrically arranged at the top of the box body in a bilateral mode, a seed outlet is arranged below the box body, a support is fixedly arranged at the bottom of the box body, the seed screening component comprises a winnowing component and a water separation component, the winnowing component comprises a guide plate and a blower, the two guide plates are fixedly arranged on the left side wall and the right side wall in the box body, the blower is fixedly arranged in a cavity formed by the guide plate and the side wall of the box body, the top of the guide plate is obliquely arranged and provided with an air outlet, the air outlet is bent and a middle bent part is upwards inclined, an air inlet is arranged on the side wall of the box body, an opening is arranged at the top of the box body and is fixedly provided with an exhaust fan, a dust storage box is fixedly, the seed outlet is communicated with the water separation component.

As a further scheme of the invention: and a baffle is fixedly arranged on the inner wall of the top of the box body.

As a further scheme of the invention: and a sealing cover is fixedly arranged between the air outlet of the blower and the material guide plate.

As a further scheme of the invention: the side wall of the box body is provided with a cavity which is communicated with the air inlet, and the cavity on the side wall of the box body is internally provided with a dustproof net.

As a further scheme of the invention: the number of the exhaust fans is four, and two exhaust fans are arranged below the guide plates.

As a further scheme of the invention: wheels are arranged on the support.

As a further scheme of the invention: the water separation component comprises a water tank, a driving motor and a screen, the water tank is fixedly arranged at the bottom of the box body, the driving motor is fixedly arranged on the bracket through a fixing frame, a sliding groove is arranged on the side wall of the water tank, the screen mesh is slidably clamped in a chute on the water tank through a sliding block, the sliding block is elastically connected with the water tank through a spring, the output end of the driving motor penetrates through the box body and the inner wall of the bottom of the water tank and is fixedly provided with a stirring shaft, stirring blades are fixedly arranged on the stirring shaft, a first rotating shaft and a second rotating shaft are rotationally arranged in the water tank, the first rotating shaft is in transmission connection with the stirring shaft through a belt, the sliding block is fixedly provided with a rack, one end of the second rotating shaft is in transmission connection with the first rotating shaft through a bevel gear, the other end of the second rotating shaft is fixedly provided with an incomplete gear, the incomplete gear is in tooth joint with the rack, and the top of the water tank is provided with an impurity outlet.

Compared with the prior art, the invention has the beneficial effects that:

the seed that will treat the screening carries out the selection by winnowing through the selection by winnowing subassembly earlier, debris such as dust and seed shell that exist in getting rid of the seed, can't get rid of through the selection by winnowing subassembly shriveled seed that the selection by winnowing subassembly was got rid of through water again, stir the seed through the epaxial stirring leaf of stirring, the shriveled seed that exists thoroughly that makes in the seed floats the surface of water, simultaneously the (mixing) shaft is through first pivot, second pivot and incomplete gear drive rack rise, when the smooth position of incomplete gear and rack contact, the slider resets downwards under the effect of spring, and then the up-and-down reciprocating motion of screen cloth has been realized, accelerate the screening speed of seed, this device is effectual to the screening of seed, the screening efficiency is high, the dust that can thoroughly clear away to exist in the seed, debris such as seed shell and shriveled seed.

Drawings

Fig. 1 is a schematic structural diagram of a seed screening device for agricultural planting.

Fig. 2 is a schematic diagram of the first rotating shaft, the second rotating shaft and the rack in the seed screening device for agricultural planting.

Fig. 3 is a schematic perspective view of the first rotating shaft, the second rotating shaft and the rack in the seed screening device for agricultural planting.

In the figure: 1-box body, 2-material guide plate, 3-blower, 4-stirring blade, 5-impurity outlet, 6-slide block, 7-water tank, 8-seed outlet, 9-support, 10-driving motor, 11-stirring shaft, 12-screen, 13-chute, 14-spring, 15-air inlet, 16-dust screen, 17-air outlet, 18-dust storage box, 19-conduit, 20-baffle, 21-exhaust fan, 22-seed inlet, 23-incomplete gear, 24-first rotating shaft, 25-belt, 26-second rotating shaft, 27-rack, 28-sealing cover and 29-wheel.

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.

It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, and the like in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if the description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in the embodiment of the invention, a seed screening device for agricultural planting comprises a box body 1 and a seed screening assembly arranged in the box body, wherein two seed inlets 22 are symmetrically arranged on the top of the box body 1, a seed outlet 8 is arranged below the box body 1, a bracket 9 is fixedly arranged at the bottom of the box body 1, the seed screening assembly comprises a winnowing assembly and a water sorting assembly, the winnowing assembly comprises a material guide plate 2 and a blower 3, the two material guide plates 2 are fixedly arranged on the left side wall and the right side wall in the box body 1, the blower 3 is fixedly arranged in a cavity formed by the material guide plate 2 and the side wall of the box body 1, the top of the material guide plate 2 is obliquely arranged and provided with an air outlet 17, the air outlet 17 is bent and the middle bent part is upwardly inclined, an air inlet 15 is arranged on the side wall of the box body 1, an, a dust storage box 18 is fixedly arranged above the side wall of the box body 1, the dust storage box 18 is communicated with a dust outlet end of a suction fan 21 through a guide pipe 19, the seed outlet 8 is communicated with a water sorting component, seeds to be screened enter the material guide plate 2 in the box body 1 through two seed inlets 22, a blower 3 is started, air is blown out from an air outlet 17 on the material guide plate 2 to perform air separation on the seeds on the material guide plate 2, the dust and the impurities with light weight such as seed shells in the seeds are blown out, the blown-up dust and the impurities such as the seed shells are sucked out of the box body 1 through the starting exhaust fan 21, the seeds enter the dust storage box 18 through the guide pipe 19 to be stored, the air outlet 17 on the material guide plate 2 is bent and the bent part is inclined upwards, even if the seeds enter the air outlet 17, the seeds cannot further enter a cavity formed by the side wall of the material guide plate 2 and the box body 1, the seed still can be blown off air outlet 17 under the effect of wind and return to box 1 in, the seed after the selection by winnowing subassembly screening drops and screens in the water selection subassembly, the quality that exists in the seed is heavier can't carry out the dry flat seed screening that filters through the selection by winnowing subassembly, guarantee the seed high quality that finally selects, this device is effectual to the screening of seed, and the screening efficiency is high, can be thorough clear away debris such as dust, seed shell and dry flat seed that exist in the seed.

The baffle 20 is fixedly installed on the inner wall of the top of the box body 1, and by arranging the baffle 20, the problem of resource waste caused by that seeds are blown to the opening at the top of the box body 1 and sucked into the dust storage box 18 by the exhaust fan 21 due to large wind power in the winnowing process can be effectively prevented.

In order to improve the utilization rate of the blower 3, a sealing cover 28 is fixedly arranged between the air outlet of the blower 3 and the material guide plate 2, and the air blown out from the blower 3 can be completely blown out through the air outlet 17 by arranging the sealing cover 28, so that the air is prevented from being blown out of the box body 1 through part of the air inlet 15, and the air separation effect is reduced.

The side wall of the box body 1 is provided with a cavity communicated with the air inlet 15, the cavity on the side wall of the box body 1 is internally provided with a dust screen 16, and dust outside the box body 1 can be prevented from entering the box body 1 through the air inlet 15 by arranging the dust screen 16 to influence the screening quality of seeds.

The number of the exhaust fans 3 is not particularly limited, and in this embodiment, preferably, the number of the exhaust fans 3 is four, and two exhaust fans are arranged below each guide plate 2.

To facilitate the movement of the device, the support 9 is provided with wheels 29.

The working principle of the embodiment is as follows: seeds to be screened enter the material guide plate 2 in the box body 1 through the two seed inlets 22, the blower 3 is started, air is blown out from the air outlet 17 on the material guide plate 2, the seeds on the material guide plate 2 are winnowed, light impurities such as dust, seed shells and the like in the seeds are blown up, the blown impurities such as the dust, the seed shells and the like are sucked out of the box body 1 through the air exhaust fan 21, the seeds enter the dust storage box 18 through the guide pipe 19 to be stored, the seeds cannot further enter a cavity formed by the material guide plate 2 and the side wall of the box body 1 even if entering the air outlet 17 through bending and bending the air outlet 17 on the material guide plate 2 and upwards inclining the bending part, the seeds still can be blown out of the air outlet 17 to return to the box body 1 under the action of the air, the seeds screened by the winnowing component fall into the water sorting component for screening, and the dry and shriveled seeds which have heavier mass and cannot be screened by the winnowing component in the seeds are further screened, guarantee the seed high quality that finally selects, this device is effectual to the screening of seed, and the screening efficiency is high, debris such as dust, seed husk and shrivelled seed that exist in the clearance seed that can be thorough.

Example 2

This example is a further improvement on example 1, and compared with example 1, the main difference is that: the water sorting assembly comprises a water tank 7, a driving motor 10 and a screen 12, the water tank 7 is fixedly arranged at the bottom of the box body 1, the driving motor 10 is fixedly arranged on a support 9 through a fixing frame, a chute 13 is formed in the side wall of the water tank 7, the screen 12 is slidably clamped in the chute 13 on the water tank 7 through a slider 6, the slider 6 is elastically connected with the water tank 7 through a spring 14, an output end of the driving motor 10 penetrates through the inner walls of the bottom of the box body 1 and the bottom of the water tank 7 and is fixedly provided with a stirring shaft 11, a stirring blade 4 is fixedly arranged on the stirring shaft 11, a first rotating shaft 24 and a second rotating shaft 26 are rotatably arranged in the water tank 7, the first rotating shaft 24 is in transmission connection with the stirring shaft 11 through a belt 25, a rack 27 is fixedly arranged on the slider 6, one end of the second rotating shaft 26 is in transmission connection with the first rotating shaft 24 through a bevel gear, the top of water tank 7 is provided with impurity export 5, seed after the selection by winnowing subassembly screening falls to in the water selection subassembly, start driving motor 10 and drive stirring leaf 4 on the (mixing) shaft 11 and stir the seed, make the shriveled seed that exists thoroughly float the surface of water in the seed, simultaneously (mixing) shaft 11 drives first pivot 24 and rotates, drive the incomplete gear 23 rotation in the second pivot 26, and then drive rack 27 and rise, when the smooth position of incomplete gear 23 and rack 27 contact, slider 6 resets downwards under spring 14's effect, and then realized screen cloth 12's up-and-down reciprocating motion, accelerate the screening speed of seed, the shriveled seed of showy futilely in top in water tank 7 passes through impurity export 5 and discharges, discharge through seed export 8 after the seed screening is accomplished.

The working principle of the invention is as follows: start driving motor 10 and drive stirring leaf 4 on the (mixing) shaft 11 and stir the seed, make the shrivelled seed that exists thoroughly float out the surface of water in the seed, simultaneously (mixing) shaft 11 drives first pivot 24 and rotates, drive the incomplete gear 23 rotation in the second pivot 26, and then drive rack 27 and rise, when the smooth position of incomplete gear 23 and rack 27 contact, slider 6 resets downwards under spring 14's effect, and then realized screen cloth 12's up-and-down motion, accelerate the screening speed of seed, the shrivelled seed of water tank 7 top showy passes through impurity export 5 and discharges, pass through seed export 8 after the seed screening is accomplished.

In summary, the following steps: the seed that will treat the screening carries out the selection by winnowing through the selection by winnowing subassembly earlier, debris such as dust and seed shell that exist in getting rid of the seed, can't get rid of through the selection by winnowing subassembly shriveled seed that the selection by winnowing subassembly was got rid of through water again, stir the seed through the epaxial stirring leaf of stirring, the shriveled seed that exists thoroughly that makes in the seed floats the surface of water, simultaneously the (mixing) shaft is through first pivot, second pivot and incomplete gear drive rack rise, when the smooth position of incomplete gear and rack contact, the slider resets downwards under the effect of spring, and then the up-and-down reciprocating motion of screen cloth has been realized, accelerate the screening speed of seed, this device is effectual to the screening of seed, the screening efficiency is high, the dust that can thoroughly clear away to exist in the seed, debris such as seed shell and shriveled seed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The seed screening device for agricultural planting comprises a box body (1) and seed screening components arranged in the box body, wherein two seed inlets (22) are symmetrically arranged at the left and right sides of the top of the box body (1), a seed outlet (8) is arranged below the box body (1), and a support (9) is fixedly arranged at the bottom of the box body (1), the seed screening device is characterized by comprising a winnowing component and a water separation component, the winnowing component comprises a guide plate (2) and a blower (3), the two guide plates (2) are fixedly arranged on the left side wall and the right side wall in the box body (1), the blower (3) is fixedly arranged in a cavity formed by the guide plate (2) and the side wall of the box body (1), an air outlet (17) is obliquely arranged at the top of the guide plate (2), the air outlet (17) is bent and a middle bent part is upwardly inclined, an air inlet (15) is arranged on the side wall of the, the top of box (1) is equipped with opening and opening part fixed mounting has air exhauster (21), and the lateral wall top fixed mounting of box (1) has dust storage box (18) and dust storage box (18) to be linked together through the play dirt end of pipe (19) with suction fan (21), seed export (8) are linked together with the water selection subassembly.

2. The seed screening apparatus for agricultural planting according to claim 1, wherein a baffle (20) is fixedly installed on the top inner wall of the box body (1).

3. The seed screening apparatus for agricultural planting according to claim 2, wherein a sealing cover (28) is fixedly installed between the air outlet of the blower (3) and the material guide plate (2).

4. The seed screening device for agricultural planting according to claim 3, wherein a cavity is formed in the side wall of the box body (1) and communicated with the air inlet (15), and a dust screen (16) is arranged in the cavity in the side wall of the box body (1).

5. The seed screening device for agricultural planting according to claim 4, wherein the number of the exhaust fans (3) is four, and two exhaust fans are arranged below each guide plate (2).

6. Seed screening apparatus for agricultural planting according to claim 5, wherein wheels (29) are provided on the frame (9).

7. The seed screening device for agricultural planting according to claim 6, wherein the water separation component comprises a water tank (7), a driving motor (10) and a screen (12), the water tank (7) is fixedly installed at the bottom of the box body (1), the driving motor (10) is fixedly installed on the support (9) through a fixing frame, a sliding groove (13) is formed in the side wall of the water tank (7), the screen (12) is slidably clamped in the sliding groove (13) in the water tank (7) through a sliding block (6), the sliding block (6) is elastically connected with the water tank (7) through a spring (14), an output end of the driving motor (10) penetrates through the inner walls of the bottoms of the box body (1) and the water tank (7) and is fixedly provided with a stirring shaft (11), a stirring blade (4) is fixedly installed on the stirring shaft (11), a first rotating shaft (24) and a second rotating shaft (26) are rotatably arranged in the water tank (7, first pivot (24) are connected through the transmission between belt (25) and (mixing) shaft (11), fixed mounting has rack (27) on slider (6), the one end of second pivot (26) is connected through the transmission between bevel gear and first pivot (24), and other end fixed mounting has between incomplete gear (23) and rack (27) looks toothing, the top of water tank (7) is provided with impurity export (5).