CN215744683U

CN215744683U - Seed sieving mechanism for farming

Info

Publication number: CN215744683U
Application number: CN202120971752.8U
Authority: CN
Inventors: 张小娟; 王珂; 贺贞昆; 孟凡华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-02-08
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a seed screening device for agricultural planting, which comprises a bottom plate and a box body, wherein the box body is fixedly connected to the bottom plate, a conveying belt is fixedly connected to the top of the box body, a feeding opening is formed in the top of the box body, a screening assembly is arranged in the box body, a second discharging opening is formed in the box body, a sliding plate is horizontally arranged on the second discharging opening, a sieve plate is hinged to one end of the sliding plate, and a sliding seat is fixedly connected to the box body. The device is characterized in that an eccentric wheel is rotatably mounted on a box body, a driving block is fixedly connected to a sliding block, the eccentric wheel abuts against the driving block, the driving block is pushed to move by the rotation of the eccentric wheel, and the sliding block is driven to move up and down under the action of the eccentric wheel and a thrust spring; the movement of the sliding block realizes the swing of the sieve plate, and the actual screening effect of the sieve plate is improved; the screw rod is rotated to adjust the position of the screw block and the angle of the sieve plate, so that the actual screening effect of the device is further improved.

Description

Seed sieving mechanism for farming

Technical Field

The utility model relates to the field of agriculture, in particular to a seed screening device for agricultural planting.

Background

The agriculture refers to an industry for obtaining products by artificial cultivation by utilizing growth and development rules of animals and plants, the agriculture belongs to the first industry, the agricultural labor objects are living animals and plants, the obtained products are the animals and plants, and the agriculture is a basic industry for supporting national economic construction and development; the seed screening machine for agricultural planting can filter unqualified seeds, and improves the overall quality of the sowed seeds.

However, the existing agricultural seed screening device has poor screening effect, which causes low screening efficiency; further provides a seed screening device for agricultural planting.

SUMMERY OF THE UTILITY MODEL

The utility model 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 utility model provides the following technical scheme:

a seed screening device for agricultural planting comprises a bottom plate and a box body, wherein the box body is fixedly connected to the bottom plate, a conveying belt is fixedly connected to the top of the box body, and a feeding opening is formed in the top of the box body;

the screening assembly is arranged in the box body and comprises a sliding plate, a sieve plate, a sliding block, a sliding seat, a motor and an eccentric wheel, a second feed opening is formed in the box body, the sliding plate is horizontally arranged on the second feed opening, the sieve plate is hinged to one end of the sliding plate, the sliding seat is fixedly connected to the box body, the sliding block is slidably arranged on the sliding seat, a thrust spring is arranged between the sliding block and the sliding seat, a screw block is arranged on the sliding block, and the other end of the sieve plate is hinged to the screw block; an eccentric wheel is rotatably installed on the box body, a driving block is fixedly connected to the sliding block, the eccentric wheel abuts against the driving block, a motor is fixedly connected to the bottom plate, and a rotating shaft of the motor is in transmission connection with a rotating shaft of the eccentric wheel through a belt.

As a further scheme of the utility model: a first feed opening is formed in the side edge of the box body, and a feed plate is arranged on the first feed opening.

As a still further scheme of the utility model: the sliding block is provided with a sliding groove, a screw rod is rotationally installed in the sliding groove, the screw block is slidably arranged in the sliding groove, and the screw rod and the screw block are installed in a matched mode.

As a still further scheme of the utility model: the bottom plate is fixedly connected with a foot support with an anti-slip pad.

As a still further scheme of the utility model: fixedly connected with stopper on the lateral wall of box, slidable mounting has the gag lever post on the stopper, has seted up the spacing groove in the bottom of slide, and the terminal slip of gag lever post sets up at the spacing inslot.

Compared with the prior art, the utility model has the beneficial effects that: when the device is used, the eccentric wheel is rotatably arranged on the box body, the sliding block is fixedly connected with the driving block, the eccentric wheel abuts against the driving block, the driving block is pushed to move by the rotation of the eccentric wheel, and the sliding block is driven to move up and down under the action of the eccentric wheel and the thrust spring; the movement of the sliding block realizes the swing of the sieve plate, and the actual screening effect of the sieve plate is improved; the screw rod is rotated to adjust the position of the screw block, the angle of the sieve plate is adjusted, and the actual screening effect of the device is further improved;

has good application prospect.

Drawings

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

Fig. 2 is a schematic view showing the structure of what is used in the seed screening apparatus for agricultural planting.

In the figure: 1-bottom plate, 2-foot support, 3-blanking plate, 4-first blanking port, 5-box, 6-limiting block, 7-limiting rod, 8-sliding plate, 9-sieve plate, 10-second blanking port, 11-thrust spring, 12-feeding port, 13-conveying belt, 14-belt, 15-motor, 16-sliding seat, 17-sliding block, 18-screw rod, 19-screw block, 20-eccentric wheel and 22-driving block.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Example one

Referring to fig. 1-2, a seed screening device for agricultural planting comprises a bottom plate 1 and a box body 5, wherein the box body 5 is fixedly connected to the bottom plate 1, a conveyer belt 13 is fixedly connected to the top of the box body 5, a feeding port 12 is formed in the top of the box body 5, and seeds to be screened are conveyed into the box body 5 through the conveyer belt 13; wherein, a screening component is arranged in the box body 5, and seeds are rapidly screened by the screening component; specifically, the screening assembly comprises a sliding plate 8, a screen plate 9, a sliding block 17, a sliding seat 16, a motor 15 and an eccentric wheel 20, a second feed opening 10 is formed in the box body 5, the sliding plate 8 is horizontally arranged on the second feed opening 10, one end of the sliding plate 8 is hinged with the screen plate 9, and seeds on the conveying belt 13 fall onto the screen plate 9 for screening; the sliding seat 16 is fixedly connected to the box body 5, the sliding block 17 is slidably mounted on the sliding seat 16, a thrust spring 11 is arranged between the sliding block 17 and the sliding seat 16, the sliding block 17 is pressed against the top of the sliding seat 16 under the action of the thrust spring 11, a screw block 19 is arranged on the sliding block 17, and the other end of the sieve plate 9 is hinged to the screw block 19; an eccentric wheel 20 is rotatably arranged on the box body 5, a driving block 22 is fixedly connected to the sliding block 17, the eccentric wheel 20 is abutted against the driving block 22, and the driving block 22 is pushed to move through the rotation of the eccentric wheel 20; a motor 15 is fixedly connected to the bottom plate 1, and a rotating shaft of the motor 15 is in transmission connection with a rotating shaft of the eccentric wheel 20 through a belt 14, so that the sliding block 17 is driven to move up and down under the action of the eccentric wheel 20 and the thrust spring 11; through the motion of slider 17, realize the swing of sieve 9, improve the actual screening effect of sieve 9.

Furthermore, a first discharging port 4 is formed in the side edge of the box body 5, a discharging plate 3 is arranged on the first discharging port 4, seeds passing through the sieve plate 9 are discharged through the discharging plate 3, and the seeds on the sieve plate 9 are discharged through the sliding plate 8; further realize the separation and screening of the seeds.

Further, a sliding groove is formed in the sliding block 17, a screw 18 is rotatably mounted in the sliding groove, a screw block 19 is slidably disposed in the sliding groove, and the screw 18 and the screw block 19 are installed in a matched manner; the position of the screw block 19 is adjusted by rotating the screw rod 18, and the angle of the sieve plate 9 is adjusted; the actual screening effect of this device is improved.

Specifically, fixedly connected with has the heel brace 2 of slipmat on the bottom plate 1, through heel brace 2 improve the stability of this device in the use.

Example two

In order to improve the stability of the sliding plate 8 during sliding, the present embodiment is modified based on the above embodiments as follows: a limiting block 6 is fixedly connected to the side wall of the box body 5, a limiting rod 7 is slidably mounted on the limiting block 6, a limiting groove is formed in the bottom of the sliding plate 8, and the tail end of the limiting rod 7 is slidably arranged in the limiting groove; through the slip of gag lever post 7 in the spacing inslot, improve the stability of slide 8 in the use.

The working principle of the utility model is as follows: in the use process of the device, an eccentric wheel 20 is rotatably arranged on the box body 5, a driving block 22 is fixedly connected to the sliding block 17, the eccentric wheel 20 is abutted against the driving block 22, the driving block 22 is pushed to move through the rotation of the eccentric wheel 20, and the sliding block 17 is driven to move up and down under the action of the eccentric wheel 20 and the thrust spring 11; through the movement of the sliding block 17, the swinging of the sieve plate 9 is realized, and the actual screening effect of the sieve plate 9 is improved; the screw rod 18 is rotated to adjust the position of the screw block 19 and the angle of the sieve plate 9, so that the actual screening effect of the device is further improved.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the utility model are intended to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims

1. A seed screening device for agricultural planting comprises a bottom plate (1) and a box body (5), and is characterized in that the box body (5) is fixedly connected to the bottom plate (1), a conveying belt (13) is fixedly connected to the top of the box body (5), and a feeding opening (12) is formed in the top of the box body (5);

the screening assembly is arranged in the box body (5) and comprises a sliding plate (8), a screen plate (9), a sliding block (17), a sliding seat (16), a motor (15) and an eccentric wheel (20), a second feed opening (10) is formed in the box body (5), the sliding plate (8) is horizontally arranged on the second feed opening (10), the screen plate (9) is hinged to one end of the sliding plate (8), the sliding seat (16) is fixedly connected to the box body (5), the sliding block (17) is slidably arranged on the sliding seat (16), a thrust spring (11) is arranged between the sliding block (17) and the sliding seat (16), a screw block (19) is arranged on the sliding block (17), and the other end of the screen plate (9) is hinged to the screw block (19); an eccentric wheel (20) is rotatably arranged on the box body (5), a driving block (22) is fixedly connected onto the sliding block (17), the eccentric wheel (20) is abutted against the driving block (22), a motor (15) is fixedly connected onto the bottom plate (1), and a rotating shaft of the motor (15) is in transmission connection with a rotating shaft of the eccentric wheel (20) through a belt (14).

2. The seed screening device for agricultural planting according to claim 1, wherein a first discharging port (4) is formed in the side of the box body (5), and a discharging plate (3) is arranged on the first discharging port (4).

3. The seed screening device for agricultural planting according to claim 2, wherein a sliding groove is formed in the sliding block (17), a screw (18) is rotatably mounted in the sliding groove, the screw block (19) is slidably disposed in the sliding groove, and the screw (18) and the screw block (19) are installed in a matched manner.

4. The seed screening apparatus for agricultural planting according to claim 1, wherein a foot support (2) having a non-slip mat is fixedly connected to the base plate (1).

5. The seed screening device for agricultural planting according to claim 1, wherein a limiting block (6) is fixedly connected to the side wall of the box body (5), a limiting rod (7) is slidably mounted on the limiting block (6), a limiting groove is formed in the bottom of the sliding plate (8), and the tail end of the limiting rod (7) is slidably arranged in the limiting groove.