Seed screening device for agricultural technology popularization

Abstract

The utility model discloses a seed screening device for agricultural technology popularization, and relates to the technical field of agricultural technology popularization, the seed screening device comprises a screening box, and a feed hopper, a filter plate, a filter box and an air pump which are fixed at the top end of the screening box, a first bearing plate is fixed on the right wall in the screening box, and a second bearing plate is fixed on the left wall in the screening box; a seed pushing and sweeping structure is arranged above the filtering plate, a first collecting box is placed at the bottom end of the interior of the screening box, a second collecting box is arranged on the left side of the screening box, a filtering box is installed above the screening box, the left end of the filtering box is connected with a sucking pump through a pipe fitting, and a box door is installed at the front end of the screening box in a clamped mode. According to the seed screening device for agricultural technology popularization, screening holes of the filter plate are cleaned through the anti-blocking structure, blocking is avoided, the seed screening effect can be ensured through the seed blocking structure and the seed pushing and sweeping structure, and the filter plate is convenient to replace.

Description

Technical Field

[0001] This utility model relates to the field of agricultural technology extension technology, specifically to a seed screening device for agricultural technology extension. Background Technology

[0002] Agricultural technology extension refers to the promotion of agricultural scientific research results and practical technologies. In the process of agricultural production, crop seeds need to be screened. However, when using existing multi-stage screening devices, it is necessary to collect the seeds after each stage of screening. Therefore, a screening device that is easy to collect has been designed. Seed cultivation is a very important part of agricultural production. Before planting, in order to ensure the germination rate of seeds, they need to be screened. Replacing manual selection and screening with a seed screening device can improve screening efficiency.

[0003] Chinese utility model patent CN219253244U discloses a seed screening device for agricultural technology promotion, including a screening box. A feeding port is fixedly connected to the upper end of the screening box, and a base frame is provided at the lower part of the screening box. A left lower feeding plate is fixedly connected to the left end of the screening box, and a right lower feeding plate is fixedly connected to the right end of the screening box. A slot is opened at the upper end of the base frame, and limiting rods are fixedly connected to the left and right sides of the front wall of the slot. The two limiting rods are movably connected to the screening box. A pushing device is fixedly connected to the front end of the base frame. This seed screening device for agricultural technology promotion, through the provided pushing device, can prevent seeds from getting stuck on the drying net and unable to fall during the screening process.

[0004] Based on existing solutions and practical production and processing applications, existing seed screening devices for agricultural technology extension have limitations. When the sieve holes of the filter plate are blocked by seeds, moving the filter plate cannot quickly remove the seeds from the sieve holes, making it inconvenient to clean the sieve holes. While screening seeds with an inclined filter plate facilitates the flow of larger seeds along the inclined surface of the filter plate, some smaller seeds may also flow downwards and miss the sieve holes, compromising the screening effect. Therefore, we propose a seed screening device for agricultural technology extension to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this utility model is to provide a seed screening device for agricultural technology promotion, in order to solve the problems mentioned in the background art of existing seed screening devices for agricultural technology promotion. When the sieve holes of the filter plate are blocked by seeds, it is not possible to quickly remove the seeds in the sieve holes by moving the filter plate, and it is inconvenient to clean the sieve holes of the filter plate. When screening seeds by using an inclined filter plate, it is convenient for larger seeds to flow along the inclined surface of the filter plate, but some smaller seeds may also flow downwards and miss the sieve holes, so the screening effect cannot be guaranteed.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a seed screening device for agricultural technology promotion, comprising a screening box and a feed hopper, filter plate, filter box, and air pump fixed to the top of the screening box.

[0007] A first receiving plate is fixed to the inner right wall of the screening box, a second receiving plate is fixed to the inner left wall of the screening box, and a filter plate is installed on the inner side of the first and second receiving plates. A seed blocking structure is provided on the left side of the filter plate, and a discharge port is opened at the left end of the screening box.

[0008] The filter plate is provided with an anti-clogging structure for the filter plate sieve holes below it, and a seed pushing and sweeping structure is provided above it. A first collection box is placed at the bottom of the sieving box, a second collection box is provided on the left side of the sieving box, a filter box is installed on the top of the sieving box, and an air pump is connected to the left end of the filter box through a pipe. A door is installed at the front end of the sieving box.

[0009] Preferably, the second receiving plate is located below the first receiving plate, the filter plate is slidably mounted on the second receiving plate and the first receiving plate, and the filter plate is inclinedly arranged inside the screening box.

[0010] Preferably, the seed blocking structure includes a first baffle, a first electric telescopic rod, and a second baffle. The first electric telescopic rod is fixed to the inner top wall of the screening box. A rod is fixed to the output end of the first electric telescopic rod. The right and left ends of the rod fixed to the output end of the first electric telescopic rod are respectively fixed to the first baffle and the second baffle. The second baffle is located on the right side of the discharge port.

[0011] Preferably, the anti-clogging structure includes a second electric telescopic rod, a connecting frame, and a top rod. The second electric telescopic rod is installed at both the left and right ends of the screening box. The output end of the second electric telescopic rod is fixed with a connecting frame, and the top of the connecting frame is fixed with a top rod. The top rod is arranged in a one-to-one correspondence with the screen holes of the filter plate. The second electric telescopic rod and the connecting frame are both inclinedly arranged inside the screening box.

[0012] Preferably, the seed pushing and sweeping structure includes a third electric telescopic rod, a rack, a toothed disc, a support rod, and a sweeping rod. The third electric telescopic rod is fixed to the rear side of the screening box. The output end of the third electric telescopic rod is fixed to a rack. The bottom end of the rack is meshed with a toothed disc. The front side of the toothed disc is fixed to a support rod. The outer end of the support rod is fixed to a sweeping rod. The rear end of the support rod is rotatably mounted on the screening box.

[0013] Preferably, the front side of the box door is fitted with the front side of the filter plate, and the rear side of the filter plate is fitted with the inner rear wall of the screening box.

[0014] Preferably, the right end of the filter box is connected to the top of the screening box via a pipe.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the seed screening device for agricultural technology promotion cleans the sieve holes of the filter plate through the anti-clogging structure to avoid clogging, and the seed blocking structure and seed pushing and sweeping structure can ensure the seed screening effect and facilitate the replacement of the filter plate.

[0016] 1. A clogging prevention structure is provided below the filter plate to clean the filter plate sieve holes. The clogging prevention structure includes a second electric telescopic rod, a connecting frame and a top rod. Under the action of the second electric telescopic rod, the connecting frame and the top rod are raised and lowered. When the top rod enters the sieve holes of the filter plate, it can push out the seeds that are blocked in the sieve holes of the filter plate.

[0017] 2. The seed blocking structure and seed pushing structure ensure the seed screening effect. The seed pushing structure includes a third electric telescopic rod, a rack, a toothed disc, a support rod, and a cleaning rod. The toothed disc, support rod, and cleaning rod rotate left and right by the left and right movement of the third electric telescopic rod and the rack. The cleaning rod rotates the lower left end of the filter plate, causing the seeds accumulated at the lower left end of the filter plate to flow, so that all the smaller seeds can be screened. When only the larger seeds remain on the filter plate, the seed blocking structure is activated. Under the action of the first electric telescopic rod, the first baffle and the second baffle are raised, causing the larger seeds to fall into the interior of the second collection box.

[0018] 3. Since the filter plate is slidably installed on the second receiving plate and the first receiving plate, and the front end of the screening box is fitted with a door, remove the door from the screening box, slide the filter plate forward, pull out the filter plate, and then install the new filter plate into the inner end of the second receiving plate and the first receiving plate.

[0019] When the door is secured to the front of the screening box, the screening box and the door fit tightly together, so the door will not easily fall off the screening box.

[0020] 4. Under the action of the air pump, the gas containing dust flows to the filter box. After being filtered by the internal filtration structure of the filter box, clean air flows out from the output end of the air pump, which facilitates the absorption of dust in the seeds. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the first axial section structure of this utility model;

[0022] Figure 2 This is a frontal view of the axial side structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the rear-view axle structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the second axial side section structure of this utility model;

[0025] Figure 5 This is a schematic diagram of the connection structure between the filter plate and the first and second receiving plates of this utility model;

[0026] Figure 6 This is a schematic diagram of the third axial side section structure of this utility model.

[0027] In the diagram: 1. Screening box; 2. Feed hopper; 3. First receiving plate; 4. Second receiving plate; 5. Filter plate; 6. First baffle; 7. Discharge port; 8. First electric telescopic rod; 9. Second baffle; 10. Second electric telescopic rod; 11. Connecting frame; 12. Top rod; 13. Third electric telescopic rod; 14. Rack; 15. Gear plate; 16. Support rod; 17. Cleaning rod; 18. First collection box; 19. Second collection box; 20. Box door; 21. Filter box; 22. Air pump. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1: Please refer to Figures 1-6 In existing seed screening devices for agricultural technology promotion, when the sieve holes of the filter plate 5 are blocked by seeds, it is not possible to quickly remove the seeds from the sieve holes by moving the filter plate 5, and it is inconvenient to clean the sieve holes of the filter plate 5. By screening seeds through the inclined filter plate 5, it is convenient for larger seeds to flow along the inclined surface of the filter plate 5, but some smaller seeds may also flow downwards and miss the sieve holes, which cannot ensure the screening effect. In order to solve this technical problem, this embodiment discloses the following technical content.

[0030] A seed screening device for agricultural technology promotion includes a screening box 1 and a feed hopper 2, a filter plate 5, a filter box 21 and an air pump 22 fixed to the top of the screening box 1.

[0031] A first receiving plate 3 is fixed to the inner right wall of the screening box 1, and a second receiving plate 4 is fixed to the inner left wall of the screening box 1. A filter plate 5 is installed on the inner side of the first receiving plate 3 and the second receiving plate 4. An anti-clogging structure for the screen holes of the filter plate 5 is provided below the filter plate 5. The anti-clogging structure includes a second electric telescopic rod 10, a connecting frame 11 and a top rod 12. The second electric telescopic rod 10 is installed at both the left and right ends of the screening box 1. A connecting frame 11 is fixed to the output end of the second electric telescopic rod 10. A top rod 12 is fixed to the top of the connecting frame 11. The top rod 12 is set one-to-one with the screen holes of the filter plate 5. The second electric telescopic rod 10 and the connecting frame 11 are both inclined inside the screening box 1.

[0032] Seeds enter the screening box 1 through the feed hopper 2 and fall onto the filter plate 5. The seeds are screened through the sieve holes of the filter plate 5. Seeds with a particle size smaller than the sieve holes of the filter plate 5 fall into the first collection box 18, while seeds with a particle size larger than the sieve holes of the filter plate 5 remain on the filter plate 5. Some seeds may clog the sieve holes of the filter plate 5 during the falling process. The second electric telescopic rod 10 inside the anti-clogging structure is activated periodically. The second electric telescopic rod 10 drives the connecting frame 11 and the top rod 12 to rise, so that the top rod 12 extends into the sieve holes of the filter plate 5 and pushes out the seeds in the sieve holes of the filter plate 5 through the top rod 12.

[0033] A seed blocking structure is provided on the left side of the filter plate 5, and a discharge port 7 is provided at the left end of the screening box 1. The seed blocking structure includes a first baffle 6, a first electric telescopic rod 8, and a second baffle 9. The first electric telescopic rod 8 is fixed to the inner top wall of the screening box 1. A rod is fixed to the output end of the first electric telescopic rod 8. The first baffle 6 and the second baffle 9 are fixed to the right and left ends of the rod fixed to the output end of the first electric telescopic rod 8, respectively. The second baffle 9 is located on the right side of the discharge port 7.

[0034] When there are too many large-sized seeds on the filter plate 5, the feeding of seeds to the filter plate 5 is stopped. Under the action of the first electric telescopic rod 8 inside the seed blocking structure, the first baffle 6 and the second baffle 9 are raised. The seeds flow along the inclined surface of the filter plate 5 through the discharge port 7 to the second collection box 19.

[0035] The seed blocking structure can transfer larger seeds after the seeds are fully screened, preventing some smaller seeds from falling into the second collection box 19, and the seed pushing and sweeping structure above the filter plate 5 ensures the screening effect.

[0036] The seed pushing and sweeping structure includes a third electric telescopic rod 13, a rack 14, a toothed disc 15, a support rod 16, and a sweeping rod 17. The third electric telescopic rod 13 is fixed to the rear side of the screening box 1. The rack 14 is fixed to the output end of the third electric telescopic rod 13. The bottom end of the rack 14 is meshed with the toothed disc 15. The support rod 16 is fixed to the front side of the toothed disc 15. The sweeping rod 17 is fixed to the outer end of the support rod 16. The rear end of the support rod 16 is rotatably mounted on the screening box 1.

[0037] During the screening process, the third electric telescopic rod 13 is activated, which drives the rack 14 to move left and right, thereby causing the toothed disc 15, support rod 16 and cleaning rod 17 to rotate left and right. When the cleaning rod 17 rotates to the right, it can push the seeds that fall on the lower left end of the filter plate 5 upward, so that the seeds flow and improve the screening effect.

[0038] The front end of the screening box 1 is fitted with a door 20. The front side of the door 20 is attached to the front side of the filter plate 5, and the rear side of the filter plate 5 is attached to the inner rear wall of the screening box 1. The second receiving plate 4 is located below the first receiving plate 3. The filter plate 5 is slidably installed on the second receiving plate 4 and the first receiving plate 3. The filter plate 5 is inclinedly arranged inside the screening box 1.

[0039] When the filter plate 5 needs to be replaced, remove the box door 20, then pull the filter plate 5 forward to pull it out between the second receiving plate 4 and the first receiving plate 3, and replace it with a new filter plate 5.

[0040] Example 2: The technical content disclosed in this example is a further improvement based on Example 1 described above. Please refer to [link / reference]. Figures 1-6 Please see Figures 1-6 Existing seed screening devices for agricultural technology promotion are inconvenient to clean dust during the screening process. To solve this technical problem, this embodiment discloses the following technical content;

[0041] A filter box 21 is installed on the top of the screening box 1. The left end of the filter box 21 is connected to an air pump 22 through a pipe, and the right end of the filter box 21 is connected to the top of the screening box 1 through a pipe.

[0042] When sieving seeds, the air pump 22 is started. Under the action of the air pump 22, the air with dust enters the interior of the filter box 21, and after being filtered by the internal filter structure of the filter box 21, it flows out from the output end of the air pump 22.

[0043] The above completes a series of operations for the seed screening device used for agricultural technology promotion. Any content not described in detail in this instruction belongs to the prior art known to those skilled in the art.

[0044] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0045] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An agricultural technology popularization seed screening device, comprising a screening box (1) and its top-fixed feeding hopper (2), filter plate (5), filter box (21) and air suction pump (22), characterized in that: the inside right wall of the screening box (1) is fixed with a first receiving plate (3), the inside left wall of the screening box (1) is fixed with a second receiving plate (4), and the inside of the first receiving plate (3) and the second receiving plate (4) is installed with a filter plate (5), the left side of the filter plate (5) is provided with a seed blocking structure, and the left end of the screening box (1) is provided with a discharge port (7); the lower side of the filter plate (5) is provided with a filter plate (5) screen hole anti-blocking structure, the upper side of the filter plate (5) is provided with a seed sweeping structure, the inside bottom end of the screening box (1) is placed with a first collection box (18), the left side of the screening box (1) is provided with a second collection box (19), the upper side of the screening box (1) is installed with a filter box (21), the left end of the filter box (21) is connected with an air suction pump (22) through a pipe, and the front end of the screening box (1) is clamped with a box door (20).

2. The seed screening device for agricultural extension according to claim 1, characterized in that: The second receiving plate (4) is below the first receiving plate (3), the filter plate (5) is slidingly installed on the second receiving plate (4) and the first receiving plate (3), and the filter plate (5) is obliquely arranged in the inside of the screening box (1).

3. The seed screening device for agricultural extension according to claim 1, characterized in that: The seed blocking structure comprises a first baffle (6), a first electric telescopic rod (8) and a second baffle (9), the inside top wall of the screening box (1) is fixed with the first electric telescopic rod (8), the output end of the first electric telescopic rod (8) is fixed with a rod, the right end and the left end of the rod fixed to the output end of the first electric telescopic rod (8) are respectively fixed with the first baffle (6) and the second baffle (9), and the second baffle (9) is located on the right side of the discharge port (7).

4. The seed screening device for agricultural extension according to claim 1, characterized in that: The anti-blocking structure comprises a second electric telescopic rod (10), a connecting frame (11) and a top rod (12), the inside left and right ends of the screening box (1) are both installed with the second electric telescopic rod (10), the output end of the second electric telescopic rod (10) is fixed with the connecting frame (11), the top end of the connecting frame (11) is fixed with the top rod (12), the top rod (12) is correspondingly arranged with the screen holes of the filter plate (5), and the second electric telescopic rod (10) and the connecting frame (11) are both obliquely arranged in the inside of the screening box (1).

5. The seed screening device for agricultural extension according to claim 3, characterized in that: The seed sweeping structure comprises a third electric telescopic rod (13), a rack (14), a pinion (15), a support rod (16) and a sweeping rod (17), the rear side of the screening box (1) is fixed with the third electric telescopic rod (13), the output end of the third electric telescopic rod (13) is fixed with the rack (14), the bottom end of the rack (14) is engagedly connected with the pinion (15), the front side of the pinion (15) is fixed with the support rod (16), the outer end of the support rod (16) is fixed with the sweeping rod (17), and the rear end of the support rod (16) is rotatably installed on the screening box (1).

6. The seed screening device for agricultural extension according to claim 1, characterized in that: The front side of the box door (20) is attached to the front side of the filter plate (5), and the back side of the filter plate (5) is attached to the inner back wall of the screening box (1).

7. The seed screening device for agricultural extension according to claim 1, characterized in that: The right end of the filter box (21) is connected to the top end of the screening box (1) through a pipeline.

Images