CN211515154U

CN211515154U - Multi-functional crops seed sieving mechanism

Info

Publication number: CN211515154U
Application number: CN201922433131.XU
Authority: CN
Inventors: 张利敏
Original assignee: Hebei Shengzhuang Agricultural Technology Co ltd
Current assignee: Hebei Shengzhuang Agricultural Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-18
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a multi-functional crops seed sieving mechanism, including the screening box, install the tower screening mechanism in the screening box, install at tower screening mechanism and rather than cooperate the interior tower screening mechanism that is used for screening and carries the seed, set up and be used for the intercommunication through tower screening mechanism and interior tower screening mechanism configuration's the book to the feeding section of thick bamboo of screening slide and install and be used for carrying a plurality of discharge gates of different particle diameters respectively in the screening bottom half at the top of screening box. Through installing tower screening mechanism and interior tower screening mechanism in the screening box in this application to form and roll over to the screening slide, rolling over to installing the screen cloth in the screening slide, owing to utilize the gravity of gravity, screening at the screen cloth of slope, thereby make the damage to the seed less, in addition, at the internal installation pulse fan of screening box and pulse wind nozzle, utilize pulse wind to reduce the jam of seed to the screen cloth, thereby raise the efficiency, the utility model discloses simple structure screening efficiency is high, and is little to the seed damage.

Description

Multi-functional crops seed sieving mechanism

Technical Field

The utility model relates to a breeding and seed selection technical field especially relate to a multi-functional crops seed sieving mechanism.

Background

The conventional seed selection needs to be carried out on the cultivated seeds, particularly, the seeds with full seeds need to be selected, but in the conventional seed selection mode, when the seed selection is carried out by utilizing the screening mode, the vibration back-and-forth screening effect needs to be utilized, wherein the back-and-forth reciprocating vibration of the screen mesh easily damages the seeds and influences the germination of the seeds, and on the other hand, the seeds can block meshes of the screen mesh and influence the screening efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multi-functional crops seed sieving mechanism, the screen cloth harms the seed easily and the seed blocks up the problem that the screen cloth influences efficiency easily in the mode of solving conventional seed selection.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a multifunctional crop seed screening device, which comprises a screening box body, a tower type screening mechanism arranged in the screening box body, an inner tower screening mechanism arranged in the tower type screening mechanism and matched with the tower type screening mechanism for screening and conveying seeds, a feeding cylinder arranged at the top of the screening box body and used for communicating a folding screening slideway formed by the tower type screening mechanism and the inner tower screening mechanism, and a plurality of discharge ports arranged at the bottom of the screening box body and respectively used for conveying different particle sizes; the inner tower screening mechanism is sleeved inside the tower type screening mechanism, and the top of the inner tower screening mechanism is fixedly arranged on the tower type screening mechanism; the tower type screening mechanism is detachably arranged in the screening box body, and the top of the tower type screening mechanism is movably arranged on the top of the screening box body; the cross section of the tower type screening mechanism is of an hourglass-shaped structure, and an inclined filter screen and an inclined baffle are installed on the inner side wall of the hourglass-shaped structure in the conveying direction in a crossed mode; the structure of the inner tower screening mechanism is similar to that of the tower type screening mechanism, wherein an inner tower screening net and a baffle are arranged on the outer side wall of the tower type screening mechanism; the inner side wall of the tower type screening mechanism and the outer side wall of the inner tower screening mechanism form a folding screening slideway; the bottom of tower screening mechanism with screening base sealing connection makes tower screening mechanism with the inner wall of screening box forms the sieve filter chamber that is used for collecting the less seed of particle size, the inside of interior tower screening mechanism is for the interior tower sieve filter chamber that is used for collecting the less seed of particle size, the bottom of interior tower sieve filter chamber passes through interior tower discharging pipe the screening base and communicates the outside of screening box.

Furthermore, the screening base of arc structure is installed to the bottom of screening box the seed metering groove has been seted up on the lateral wall of screening base.

Still further, the screening box is square structure, the screening base of its bottom be with the circular arc structure of being convenient for collect the seed of screening box adaptation.

Still further, a plurality of pulse air nozzles blowing towards the oblique filter screen are arranged on the side wall of the screening box body.

Still further, the pulse air nozzle conveys pulse air through a pulse fan and an air supply pipe, and is used for preventing the inclined filter screen.

And furthermore, a discharge pipe of the screening chamber is arranged at the bottom of the screening chamber.

Compared with the prior art, the utility model discloses a beneficial technological effect: through installing tower screening mechanism and interior tower screening mechanism in the screening box in this application to form and roll over to the screening slide, and roll over to installing the screen cloth in the screening slide, owing to be the gravity that utilizes gravity, screen cloth at the slope sieves to make the damage to the seed less, on the other hand installation pulse fan and impulse wind nozzle in the screening box utilize impulse wind to reduce the jam of seed to the screen cloth, thereby raise the efficiency, the utility model discloses simple structure screening efficiency is high, and is little to the seed damage.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a schematic view of the main body of the multifunctional crop seed screening device of the present invention;

FIG. 2 is a schematic view of a tower-type screening mechanism of the multifunctional crop seed screening device of the present invention;

FIG. 3 is a schematic view of the inner tower screening mechanism of the multifunctional crop seed screening apparatus of the present invention;

figure 4 is the utility model discloses multi-functional crops seed sieving mechanism's screening base sketch map.

Description of reference numerals: 1. screening the box body; 1-1, screening a base; 1-2, a seed discharging groove; 2. a tower screening mechanism; 2-1, obliquely filtering a net; 2-2, oblique baffles; 3. an inner tower screening mechanism; 3-1, screening by an inner tower; 3-2, an inner tower screening chamber; 3-3, an inner tower discharge pipe; 4. a feeding cylinder; 4-1, a feeding pipe; 5. folding to a screening slideway; 6. a screening chamber; 6-1, a discharge pipe of the screening chamber; 7. a pulse fan; 8. an air supply pipe; 9. and a pulse air nozzle.

Detailed Description

As shown in fig. 1-4, the embodiment discloses a multifunctional crop seed screening device, which includes a screening box 1, a tower-type screening mechanism 2 installed in the screening box 1, an inner tower screening mechanism 3 installed in the tower-type screening mechanism 2 and cooperating with the tower-type screening mechanism for screening and conveying seeds, a feeding cylinder 4 installed at the top of the screening box 1 for communicating with a folding screening slideway 5 formed by the tower-type screening mechanism 2 and the inner tower screening mechanism 3, and a plurality of discharge outlets installed at the bottom of the screening box 1 for conveying different grain sizes; the inner tower screening mechanism 3 is sleeved inside the tower type screening mechanism 2, the top of the inner tower screening mechanism 3 is fixedly installed on the tower type screening mechanism 2, and the inner tower screening mechanism 3 is of an hourglass-shaped framework structure, so that a stabilizing effect is achieved; wherein the feeding cylinder 4 is internally provided with a flow control valve, so that the seeds entering the folding screening slideway 5 are more uniform, and the blockage is avoided, wherein the seeds to be screened are conveyed by using a packing auger or a pneumatic conveying device, and the excessive one-time conveying is avoided by adjusting the conveying power of the packing auger or the pneumatic conveying device, so that the effect of normal flow of fine water is achieved; wherein the seeds to be screened in the feeding cylinder 4 can be conveyed by a packing auger; the width of the inner tower screening mechanism 3 is the same as that of the screening box body 1, so that the folded screening slideway 5 is installed in a matching way, and seeds with smaller particle sizes can be screened and filtered into the screening chamber 6 and the inner tower screening chamber 3-2; the tower type screening mechanism 2 is detachably arranged in the screening box body 1, and the top of the tower type screening mechanism is movably arranged on the top of the screening box body 1; the cross section of the tower type screening mechanism 2 is of an hourglass-shaped structure, and an inclined filter screen 2-1 and an inclined baffle 2-2 are installed on the inner side wall of the hourglass-shaped structure in the conveying direction in a crossed mode; the structure of the inner tower screening mechanism 3 is similar to that of the tower type screening mechanism 2, wherein an inner tower screening net 3-1 and a baffle are mounted on the outer side wall of the tower type screening mechanism 2, the inner tower screening net 3-1 is used for screening out the seeds with the particle size smaller than the meshes, and the baffle can play a guiding role; the inner side wall of the tower-type screening mechanism 2 and the outer side wall of the inner tower screening mechanism 3 form a folding screening slideway 5, seeds enter the folding screening slideway 5 along with the feeding pipe 4-1 from the feeding cylinder 4, slide along the folding screening slideway 5 along the fold line from top to bottom under the action of gravity of the seeds, and are screened by the inner tower screening net 3-1 and the inclined filter net 3-2 respectively in the sliding process, wherein the seeds with full particles are discharged from the seed discharge groove 1-2 through a screening base at the bottom of the seeds and communicated with the screening chamber 6 and then collected; the bottom of the tower-type screening mechanism 2 is hermetically connected with the screening base 1-1, so that a screening chamber 6 for collecting seeds with smaller particle sizes is formed on the inner walls of the tower-type screening mechanism 2 and the screening box body 1, the inner part of the inner tower screening mechanism 3 is an inner tower screening chamber 3-2 for collecting seeds with smaller particle sizes, and the bottom of the inner tower screening chamber 3-2 penetrates through the screening base 1-1 through an inner tower discharge pipe 3-3 and is communicated with the outside of the screening box body 1.

In the embodiment, the bottom of the screening box body 1 is provided with a screening base 1-1 with an arc structure, the side wall of the screening base 1-1 is provided with a seed discharging groove 1-2, wherein the seed discharging groove 1-2 is communicated with the lower end parts of two symmetrical folding screening slideways 5, so that the screened seeds can be conveniently collected; the screening box body 1 is of a square structure, and the screening base 1-1 at the bottom of the screening box body is of a circular arc structure which is matched with the screening box body 1 and is convenient for collecting and screening seeds; a row of a plurality of pulse air nozzles 9 blowing towards the inclined filter screen 2-1 are arranged on the side wall of the screening box body 1, and the pulse air nozzles 9 are used for preventing the inclined filter screen 2-1 from blowing off by pulse air through a pulse fan 7 and an air supply pipe 8, so that the pulse air is used for reversely blowing off the inclined filter screen 2-1, and the stability of the integral inclined filter screen 2-1 is ensured; a plurality of pulse fans 7 can be installed and are respectively used for the requirements of pulse wind at different heights; and a screening chamber discharge pipe 6-1 is formed at the bottom of the screening chamber 6 and used for recovering seeds with smaller particle size intercepted and captured in the screening chamber 6.

The utility model discloses an action process:

firstly, seeds to be screened are conveyed to a folding screening slideway 5 through a feeding cylinder 4 and a feeding pipe 4-1 by using a packing auger, the seeds to be screened pass through an inclined filter screen 2-1 on a tower type screening mechanism 2 and an inner tower screening screen 3-1 on an inner tower screening mechanism 3 in the folding screening slideway 5, the seeds with smaller particle size are respectively screened into a screening chamber 6 and an inner tower screening chamber 3-2, wherein the seeds with larger particle size flow to a seed discharging groove 1-2 through the folding screening slideway 5 and are collected.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above embodiments are only for describing the preferred mode of the invention, and are not intended to limit the scope of the invention, and various modifications and improvements made to the technical solution of the invention by those skilled in the art without departing from the spirit of the invention should fall within the protection scope defined by the claims of the invention.

Claims

1. The utility model provides a multi-functional crops seed sieving mechanism which characterized in that: the seed screening device comprises a screening box body (1), a tower type screening mechanism (2) arranged in the screening box body (1), an inner tower screening mechanism (3) arranged in the tower type screening mechanism (2) and matched with the tower type screening mechanism for screening and conveying seeds, a feeding cylinder (4) arranged at the top of the screening box body (1) and used for communicating a folding screening slideway (5) formed by the tower type screening mechanism (2) and the inner tower screening mechanism (3), and a plurality of discharge ports arranged at the bottom of the screening box body (1) and used for conveying different particle sizes respectively; the inner tower screening mechanism (3) is sleeved inside the tower type screening mechanism (2), and the top of the inner tower screening mechanism (3) is fixedly arranged on the tower type screening mechanism (2); the tower type screening mechanism (2) is detachably arranged in the screening box body (1), and the top of the tower type screening mechanism is movably arranged on the top of the screening box body (1); the cross section of the tower-type screening mechanism (2) is of an hourglass-shaped structure, and an inclined filter screen (2-1) and an inclined baffle (2-2) are installed on the inner side wall of the hourglass-shaped structure in the conveying direction in a crossed mode; the structure of the inner tower screening mechanism (3) is similar to that of the tower type screening mechanism (2), wherein an inner tower screening net (3-1) and a baffle are arranged on the outer side wall of the tower type screening mechanism (2); wherein the inner side wall of the tower-type screening mechanism (2) and the outer side wall of the inner tower screening mechanism (3) form a folding screening slideway (5); the bottom of tower screening mechanism (2) and screening base (1-1) sealing connection to make tower screening mechanism (2) with the inner wall of screening box (1) forms sieve filter chamber (6) that are used for collecting the less seed of particle size, the inside of interior tower screening mechanism (3) is interior tower sieve filter chamber (3-2) that are used for collecting the less seed of particle size, the bottom of interior tower sieve filter chamber (3-2) is passed through interior tower discharging pipe (3-3) screening base (1-1) and is linked through the outside of screening box (1).

2. The multi-functional crop seed screening apparatus of claim 1, wherein: the screening box is characterized in that a screening base (1-1) with an arc-shaped structure is mounted at the bottom of the screening box body (1), and seed sowing grooves (1-2) are formed in the side wall of the screening base (1-1).

3. The multi-functional crop seed screening apparatus of claim 1, wherein: the screening box body (1) is of a square structure, and the screening base (1-1) at the bottom of the screening box body is of a circular arc structure which is matched with the screening box body (1) and is convenient for collecting seeds.

4. The multi-functional crop seed screening apparatus of claim 1, wherein: and a plurality of pulse air nozzles (9) blowing towards the inclined filter screen (2-1) are arranged on the side wall of the screening box body (1).

5. The multi-functional crop seed screening apparatus of claim 4, wherein: the pulse air nozzle (9) conveys pulse air through the pulse fan (7) and the blast pipe (8) and is used for preventing the inclined filter screen (2-1).

6. The multi-functional crop seed screening apparatus of claim 1, wherein: and a screening chamber discharge pipe (6-1) is arranged at the bottom of the screening chamber (6).