Seed screening machine for agricultural production

Abstract

The utility model relates to the technical field of agricultural production, and discloses a seed screening machine for agricultural production, which comprises a box body, a sliding door is arranged on the surface of the box body, a feeding pipe is fixedly mounted on the surface of the box body, a mounting block is fixedly mounted on the outer side of the box body, and the sliding door is arranged on the sliding door. A motor is fixedly mounted on the side wall of the mounting block, and a screening cylinder is fixedly mounted at the output end of the motor. According to the seed screening machine for agricultural production, in the rotating process of the screening cylinder, seeds are screened, an arc plate on a straight rod is attached to the surface of the screening cylinder under the elastic deformation effect of a torsional spring, a cleaning plate on the arc plate is also attached to the surface of the screening cylinder under the effect of a volute spiral spring, and when the cleaning plate makes contact with screening holes, the seeds are screened; and under the action of a torsional spring, an arc plate is attached to the surface of a sieve hole, a cleaning plate continuously cleans the interior of the sieve hole under the action of a volute spiral spring, blocked seeds are poked into the screening cylinder, and the efficiency after screening is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural production technical field, concretely is a seed screening machine for agricultural production. BACKGROUND

[0002] Seeding is an essential step in agricultural production, and seeds need to be screened before being seeded, so a seed screening device for agricultural production is needed.

[0003] According to a kind of seed screening device for agricultural production (announcement number: CN113414099B) disclosed, in the above application, the cooperation of rotating hole and rotating rod enables the two rotating blocks to rotate on the rotating rod, and when the lower surface of the rotating block is attached to the upper surface of the contact block, the rotation of the screening cylinder is restricted, and the screening cylinder cannot be rotated to the position where the connecting long block faces downward.

[0004] However, during actual use of the above-mentioned device, when the screening cylinder rotates to screen the seeds, the seeds will fall from the screen holes of the screening cylinder, and some seeds will be blocked in the mesh holes on the screening cylinder, resulting in reduced subsequent screening efficiency. In view of this, we propose a seed screening machine for agricultural production. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a seed screening machine for agricultural production to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a seed screening machine for agricultural production, comprising a box body, a sliding door is arranged on the surface of the box body, a feed pipe is fixedly installed on the surface of the box body, a mounting block is fixedly installed on the outer side of the box body, a motor is fixedly installed on the side wall of the mounting block, a screening cylinder is fixedly installed on the output end of the motor, a screening mechanism is arranged in the box body, a promoting mechanism is arranged in the box body, and the screening mechanism comprises:

[0007] A straight rod is fixedly installed in the box body, a torsion spring is fixedly connected to the arc surface of the straight rod, the inner wall of an arc plate is fixedly connected to one end of the torsion spring away from the arc surface of the straight rod, and a movable hole is formed in the surface of the arc plate.

[0008] A round rod is movably connected to the inner wall of the movable hole, a volute spring is fixedly connected to the inner wall of the movable hole, and a cleaning plate is fixedly installed on one end of the round rod away from the inner wall of the movable hole.

[0009] Preferably, the promoting mechanism comprises a rolling rod, the rolling rod is movably connected to the surface of the cleaning plate, and a scraper is fixedly installed on the surface of the cleaning plate.

[0010] Preferably, the surface of the scraper is provided with serrations, and the serrated surface of the scraper is attached to the roller, so that the surface of the roller can be cleaned by the scraper.

[0011] Preferably, the end of the volute spring away from the inner wall of the movable hole is fixedly connected with the arc surface of the circular rod, so that the circular rod can be rotated when the volute spring is deformed.

[0012] Preferably, the shape of the movable hole is matched with the shape of the circular rod, so that the circular rod can rotate in the movable hole.

[0013] Preferably, the surface of the arc plate is provided with a rotating hole, the diameter of the rotating hole is matched with the diameter of the straight rod, and the arc plate is sleeved on the surface of the straight rod, so that the arc plate can rotate on the surface of the straight rod.

[0014] Preferably, a plurality of arc plates are arranged in a linear array on the arc surface of the straight rod, and the positions of the arc plates are matched with the positions of the screen holes on the screening cylinder.

[0015] Compared with the prior art, the utility model provides a seed screening machine for agricultural production, which has the following beneficial effects:

[0016] 1、The seed screening machine for agricultural production is provided with a screening mechanism, seeds are screened during the rotation of the screening cylinder, the arc plate on the straight rod is attached to the surface of the screening cylinder under the elastic deformation of the torsion spring, the cleaning plate on the arc plate is also attached to the surface of the screening cylinder under the action of the volute spring, when the screen hole is contacted, the arc plate is attached to the surface of the screen hole under the action of the torsion spring, the cleaning plate continuously cleans the inside of the screen hole under the action of the volute spring, and the blocked seeds are poked into the inside of the screening cylinder, so that the screening efficiency is ensured.

[0017] 2、The seed screening machine for agricultural production is provided with a promoting mechanism, the roller can rotate when the cleaning plate is attached to the surface of the screening cylinder, the arc surface at the edge of the screen hole is matched, the movement of the cleaning plate does not hinder the rotation of the screening cylinder, the surface of the roller can be cleaned by the scraper, the cleaning plate can stably move, and the screening efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the structure of the utility model;

[0019] Figure 2 It is a partial schematic view of the screening cylinder of the structure of the utility model;

[0020] Figure 3 It is a partial exploded schematic view of the arc plate of the structure of the utility model;

[0021] Figure 4The utility model discloses a structure round rod partial explosion schematic diagram.

[0022] In the drawing: 1, box body;2, push -and -pull door;3, sieve mechanism;301, straight pole;302, torsional spring;303, arc plate;304, movable hole;305, round rod;306, volute spring;307, cleaning plate;4, promote mechanism;401, roll pole;402, scraper;5, feed pipe;6, screening cylinder;7, motor. DETAILED DESCRIPTION

[0023] As Figures 1-4 The utility model provides a kind of technical scheme: a seed screening machine for agricultural production, including box body 1, the surface of box body 1 is provided with push -and -pull door 2, the surface of box body 1 is fixedly installed with feed pipe 5, the outside of box body 1 is fixedly installed with mounting block, the side wall of mounting block is fixedly installed with motor 7, the output of motor 7 is fixedly installed screening cylinder 6, the inside of box body 1 is provided with sieve mechanism 3, the inside of box body 1 is provided with promote mechanism 4, sieve mechanism 3 includes straight pole 301, torsional spring 302, arc plate 303, movable hole 304, round rod 305, volute spring 306, cleaning plate 307.

[0024] In an embodiment of the utility model, straight pole 301 is fixedly installed in the inside of box body 1, the arc surface of straight pole 301 is fixedly connected torsional spring 302, the inner wall of torsional spring 302 away from the arc surface of straight pole 301 one end is fixedly connected arc plate 303, the surface of arc plate 303 is equipped with movable hole 304, round rod 305 is movably connected in the inner wall of movable hole 304, the inner wall of movable hole 304 is fixedly connected volute spring 306, the one end of round rod 305 away from the inner wall of movable hole 304 is fixedly installed cleaning plate 307.

[0025] In addition, promote mechanism 4 includes roll pole 401, roll pole 401 is movably connected in the surface of cleaning plate 307, the surface of cleaning plate 307 is fixedly installed with scraper 402, the surface of scraper 402 is equipped with sawtooth, the sawtooth surface of scraper 402 is pasted roll pole 401, it is convenient for the surface of scraper 402 to the surface of roll pole 401 to clean.

[0026] In the embodiment of the utility model, the arc surface of the circular rod 305 is fixedly connected to one end of the volute spring 306 away from the inner wall of the movable hole 304, so that the volute spring 306 drives the circular rod 305 to rotate when the volute spring 306 deforms, the shape of the movable hole 304 is matched with the shape of the circular rod 305, so that the circular rod 305 can rotate inside the movable hole 304, the surface of the arc plate 303 is provided with a rotating hole, the diameter of the rotating hole is matched with the diameter of the straight rod 301, the arc plate 303 is sleeved on the surface of the straight rod 301, so that the arc plate 303 can rotate on the surface of the straight rod 301, the number of the arc plate 303 is several, the several arc plates 303 are arranged in a linear array on the arc surface of the straight rod 301, the position of the arc plate 303 is matched with the position of the sieve hole on the screening cylinder 6, one end of the feeding pipe 5 is provided with a circular plate, the circular plate is detachably installed on the surface of the box body 1 and movably connected with the screening cylinder 6, so as to facilitate feeding of the feeding pipe 5 and facilitate taking out the residual seeds in the screening cylinder 6, and the sliding door 2 is clamped on the surface of the box body 1 and can be disassembled, so as to facilitate taking out the seeds in the box body 1.

[0027] In the utility model, when using, the motor 7 drives the screening cylinder 6 to rotate, the screening cylinder 6 is screened in the process of rotating, the arc plate 303 on the straight rod 301 is attached to the surface of the screening cylinder 6 under the elastic deformation of the torsion spring 302, the cleaning plate 307 on the arc plate 303 is also attached to the surface of the screening cylinder 6 under the action of the volute spring 306, when contacting the sieve hole, the arc plate 303 is attached to the surface of the sieve hole under the action of the torsion spring 302, the cleaning plate 307 is continuously cleaned inside the sieve hole under the action of the volute spring 306, so as to ensure the efficiency after screening.

[0028] Further, the rolling rod 401 can rotate when the cleaning plate 307 is attached to the surface of the screening cylinder 6, the arc surface at the edge of the surface of the screening cylinder 6 is matched, so that the movement of the cleaning plate 307 does not hinder the rotation of the screening cylinder 6, the rolling rod 401 rotates on the surface of the screening cylinder 6, the scraper 402 cleans the impurities that may be adhered to the surface of the rolling rod 401, so as to ensure the stable rotation of the rolling rod 401 and the stable movement of the cleaning plate 307, improve the screening efficiency, and take out the screened seeds after the sliding door 2 is opened.

[0029] The foregoing has made a detailed description of the utility model in general, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A seed screening machine for agricultural production, comprising a housing (1), wherein a sliding door (2) is provided on the surface of the housing (1), a feed pipe (5) is fixedly installed on the surface of the housing (1), an mounting block is fixedly installed on the outer side of the housing (1), a motor (7) is fixedly installed on the side wall of the mounting block, and a screening cylinder (6) is fixedly installed at the output end of the motor (7), characterized in that: The inside of the box (1) is provided with a screening mechanism (3), the inside of the box (1) is provided with a promoting mechanism (4), the screening mechanism (3) comprises: Straight bar (301), the straight bar (301) is fixedly installed in the inside of the box (1), the arc surface of the straight bar (301) is fixedly connected with torsion spring (302), one end of the torsion spring (302) away from the arc surface of the straight bar (301) is fixedly connected with the inner wall of arc plate (303), the surface of the arc plate (303) is provided with movable hole (304); Round bar (305), the round bar (305) is movably connected to the inner wall of the movable hole (304), the inner wall of the movable hole (304) is fixedly connected with volute spring (306), one end of the round bar (305) away from the inner wall of the movable hole (304) is fixedly installed cleaning plate (307).

2. A seed grader for agricultural production according to claim 1, characterised in that: The promoting mechanism (4) comprises a rolling rod (401), the rolling rod (401) is movably connected to the surface of the cleaning plate (307), the surface of the cleaning plate (307) is fixedly installed with a scraper (402).

3. A seed grader for agricultural production according to claim 2, characterised in that: The surface of the scraper (402) is provided with sawtooth, the sawtooth surface of the scraper (402) is attached to the rolling rod (401).

4. A seed grader for agricultural production according to claim 1, characterised in that: The end of the volute spring (306) away from the inner wall of the movable hole (304) is fixedly connected with the arc surface of the round bar (305).

5. A seed grader for agricultural production according to claim 1, characterized in that: The shape of the movable hole (304) is matched with the shape of the round bar (305).

6. A seed grader for agricultural production according to claim 1, characterized in that: The surface of the arc plate (303) is provided with a rotating hole, the diameter of the rotating hole is matched with the diameter of the straight bar (301), and the arc plate (303) is sleeved on the surface of the straight bar (301).

7. A seed grader for agricultural production according to claim 1, characterised in that: The number of the arc plate (303) is several, and the several arc plates (303) are arranged in linear array on the arc surface of the straight bar (301).

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