CN220635280U - A seed screening device - Google Patents

Abstract

The utility model relates to the technical field of seed screening, and discloses a seed screening device, which comprises a connecting plate, wherein a feeding hopper is fixedly arranged at the top of the connecting plate, a screening mechanism is arranged on the inner side of the connecting plate and comprises a fixed block, the fixed block is fixedly arranged on the inner side of the connecting plate, a first fixing frame is connected on the inner side of the connecting plate in a sliding manner, and a first filter screen is fixedly arranged on the inner side of the first fixing frame. This seed screening plant through setting up screening mechanism, can reach the purpose that carries out secondary filtering to the seed, drives the upper and lower shake of first filter screen through first mount, can filter great granule impurity, drives the upper and lower shake of second filter screen through the second mount, realizes filtering less impurity, realizes the secondary filtering to the seed, can reduce the existence of less impurity in the middle of the seed, increases the filter effect of seed.

Description

A seed screening device

Technical field

The utility model relates to the technical field of seed screening, specifically a seed screening device.

Background technique

Seeds can germinate into new plants under certain conditions. During the seed collection process, the seeds will be mixed with a large number of particle impurities, so they will be simply screened before sowing. At this time, a seed sieve will be used. A separate device is used to screen seeds and impurities.

A seed screening machine is a type of agricultural machinery. When planting agricultural seeds, a seed screening machine needs to be used to screen out large particles and stones in the seeds. A single-layer filter is usually used to filter the seeds, but the seeds will be adulterated. Many impurity particles smaller than the size of seeds pass through the single-layer filter. It is difficult to screen impurity particles smaller than the size of seeds, which reduces the filtration effect of seeds.

Utility model content

The purpose of this utility model is to provide a seed screening device to solve the problems raised in the above background technology.

In order to solve the above technical problems, the present utility model provides the following technical solution: a seed screening device, including a connecting plate, a hopper is fixedly installed on the top of the connecting plate, and a screening mechanism is provided on the inside of the connecting plate;

The screening mechanism includes a fixed block, which is fixedly installed on the inner side of the connecting plate. A first fixing frame is slidably connected to the inner side of the connecting plate, and a first filter screen is fixedly installed on the inner side of the first fixing frame. , a first spring is fixedly installed on the top of the fixed block, one end of the first spring is fixedly installed on the bottom of the first fixed frame, a second fixed frame is slidably connected to the inner side of the connecting plate, and the second fixed frame is fixedly installed on the top of the fixed block. A second filter screen is fixedly installed on the inner side of the frame, a second spring is fixedly installed on the bottom of the fixed block, one end of the second spring is fixedly installed on the top of the second fixed frame, and the outer side of the connecting plate is fixedly installed. A motor, a rotating rod is fixedly installed at the output end of the motor, one end of the rotating rod penetrates to the inside of the connecting plate, and a half gear is fixedly installed on the surface of the rotating rod.

Preferably, telescopic rods are fixedly installed on the top and bottom of the fixed block, the bottom of the first fixed frame and the top of the second fixed frame are fixedly connected to one end of the telescopic rod, and the first spring and the second The inner cavity of the spring is sleeved with the surface of the telescopic rod.

Preferably, a guide rod is fixedly installed on the top of the connecting plate, a discharge port is provided on one side of the connecting plate, and a discharge hopper is fixedly installed on one side of the connecting plate.

Preferably, a support leg is fixedly installed at the bottom of the connecting plate, a damper is fixedly installed at the bottom of the support leg, a support plate is fixedly installed at the bottom of the damper, and a third support leg is fixedly installed at the bottom of the support leg. Spring, one end of the third spring is fixedly installed on the top of the support plate.

Preferably, an extension plate is fixedly installed on the bottom of the support leg, and a collection box is slidably connected to the inside of the extension plate.

Preferably, a guide bucket is fixedly installed on the inner side of the connecting plate.

Preferably, a guide groove is provided on the inside of the extension plate, a guide block is fixedly installed on one side of the collection box, and the surface of the guide block is slidingly connected to the inner cavity of the guide groove.

Compared with the existing technology, the beneficial effects achieved by this utility model are:

The utility model can achieve the purpose of secondary filtration of seeds by setting up a screening mechanism. The first fixed frame drives the first filter screen to vibrate up and down to filter larger particles of impurities. The second fixed frame drives the second fixed frame to vibrate up and down. The up and down shaking of the second filter can filter smaller impurities and achieve secondary filtration of seeds, which can reduce the presence of smaller impurities in seeds and increase the filtering effect of seeds.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a schematic structural diagram of the screening mechanism of the present utility model;

Figure 3 is an enlarged structural schematic diagram of position A in Figure 2 of the present invention;

Figure 4 is a schematic structural diagram of the damper and the third spring of the present utility model;

Figure 5 is a schematic structural diagram of the guide groove and guide block of the present utility model.

Among them: 1. Connecting plate; 2. Feed hopper; 3. Screening mechanism; 301. Fixed block; 302. First fixing frame; 303. First filter; 304. First spring; 305. Second fixing frame; 306. Second filter; 307. Second spring; 308. Motor; 309. Rotating rod; 3010. Half gear; 4. Telescopic rod; 5. Guide rod; 6. Discharge port; 7. Discharge hopper; 8. Support legs; 9. Damper; 10. Support plate; 11. Third spring; 12. Extension plate; 13. Collection box; 14. Guide bucket; 15. Guide groove; 16. Guide block.

Detailed ways

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

Please refer to Figures 1 to 5. A seed screening device includes a connecting plate 1. A hopper 2 is fixedly installed on the top of the connecting plate 1, and a screening mechanism 3 is provided inside the connecting plate 1;

The screening mechanism 3 includes a fixed block 301. The fixed block 301 is fixedly installed on the inner side of the connecting plate 1. A first fixing frame 302 is slidably connected to the inner side of the connecting plate 1. A first filter screen 303 is fixedly installed on the inner side of the first fixing frame 302. , a first spring 304 is fixedly installed on the top of the fixed block 301, one end of the first spring 304 is fixedly installed on the bottom of the first fixed frame 302, and a second fixed frame 305 is slidably connected to the inner side of the connecting plate 1. The second fixed frame 305 The second filter screen 306 is fixedly installed on the inner side of the fixed block 301, the second spring 307 is fixedly installed on the bottom of the fixed block 301, one end of the second spring 307 is fixedly installed on the top of the second fixing frame 305, and the motor is fixedly installed on the outer side of the connecting plate 1 308. A rotating rod 309 is fixedly installed at the output end of the motor 308. One end of the rotating rod 309 penetrates to the inside of the connecting plate 1. A half gear 3010 is fixedly installed on the surface of the rotating rod 309.

Specifically, the telescopic rod 4 is fixedly installed on the top and bottom of the fixed block 301. The bottom of the first fixed frame 302 and the top of the second fixed frame 305 are both fixedly connected to one end of the telescopic rod 4. The first spring 304 is connected to the second fixed frame 304. The inner cavity of the spring 307 is sleeved on the surface of the telescopic rod 4 .

Through the above technical solution, by arranging the telescopic rod 4, it can follow the expansion and contraction of the first spring 304 and the second spring 307 to perform zooming, thereby achieving the purpose of supporting the first spring 304 and the second spring 307 and preventing the first spring 304 from being Excessive lateral deformation of the second spring 307 increases the service life of the first spring 304 and the second spring 307 .

Specifically, a guide rod 5 is fixedly installed on the top of the connecting plate 1 , a discharge port 6 is provided on one side of the connecting plate 1 , and a discharge hopper 7 is fixedly installed on one side of the connecting plate 1 .

Through the above technical solution, by setting the guide rod 5, the impurities on the surface of the first filter 303 can be guided, so that the impurities can accurately move the box outlet 6, and move the connecting plate 1 and the first fixed position through the outlet hopper 7 In the inner cavity formed by the frame 302.

Specifically, the support leg 8 is fixedly installed at the bottom of the connecting plate 1, the damper 9 is fixedly installed at the bottom of the support leg 8, the support plate 10 is fixedly installed at the bottom of the damper 9, and the third spring is fixedly installed at the bottom of the support leg 8. 11. One end of the third spring 11 is fixedly installed on the top of the support plate 10 .

Through the above technical solution, by arranging the damper 9 and the third spring 11 , when the motor 308 is working, the device can be shaken. Through the spring and the damper 9 , the shake of the device can be mitigated. Through the support plate 10 Supporting the ground can increase the stability of the device during operation.

Specifically, an extension plate 12 is fixedly installed on the bottom of the support leg 8 , and a collection box 13 is slidably connected to the inside of the extension plate 12 .

Through the above technical solution, by providing the guide bucket 14, the impurities passing through the second filter screen 306 can be guided to avoid the impurities from splashing.

Specifically, a guide bucket 14 is fixedly installed on the inner side of the connecting plate 1 .

Through the above technical solution, by providing the collection box 13, the impurities passing through the second filter 306 can be collected, so that the impurities can fall into the inner cavity of the collection box 13, which can facilitate the collection and centralized processing of smaller impurities.

Specifically, a guide groove 15 is provided on the inside of the extension plate 12 , and a guide block 16 is fixedly installed on one side of the collection box 13 . The surface of the guide block 16 is slidably connected to the inner cavity of the guide groove 15 .

Through the above technical solution, through the sliding connection between the guide block 16 and the guide groove 15, the movement of the collection box 13 can be accurately guided, so that the opening of the collection box 13 can be directly facing the bottom of the guide bucket 14, so that the impurities can be accurately dropped. .

When in use, pour the seeds mixed with impurities into the hopper 2, start the motor 308, and drive the rotating rod 309 to rotate through the motor 308, which can drive the half gear 3010 to rotate, and the bottom of the first fixed frame 302 is fixed through the half gear 3010. The collision with the bottom of the second fixed frame 305 drives the first fixed frame 302 to move upward and the second fixed frame 305 to move downward. Under the reaction force of the first spring 304 and the second spring 307, the first fixed frame 302 can be driven to move downward. The frame 302 and the second fixed frame 305 shake up and down, which can cause the seeds and impurities that have slid to the surface of the first filter screen 303 to shake. Through the holes in the filter screen, the seeds can fall to the second filter plate during the shaking process. The filter plate is used to filter impurities larger than seeds to achieve the first filtering of seeds, and the seeds shake on the surface of the second filter screen 306. The mesh size of the second filter screen 306 is smaller than the size of the seeds. Through the beating of the surface of the second filter screen 306 of the seed belt, impurities smaller than the seeds can be filtered to achieve secondary filtration of the seeds, thereby achieving the purpose of filtering larger particles. Filtering the impurities and impurities of smaller particles can filter the seeds more fully, making the filtered seeds contain fewer impurities and increasing the filtration effect of the seeds.

Finally, it should be noted that the above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions recorded in the foregoing embodiments, or to make equivalent replacements for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (7)

1. Seed screening plant, including connecting plate (1), its characterized in that: the top of the connecting plate (1) is fixedly provided with a feeding hopper (2), and the inner side of the connecting plate (1) is provided with a screening mechanism (3);

screening mechanism (3) are including fixed block (301), fixed block (301) fixed mounting is in the inboard of connecting plate (1), the inboard sliding connection of connecting plate (1) has first mount (302), the inboard fixed mounting of first mount (302) has first filter screen (303), the top fixed mounting of fixed block (301) has first spring (304), the one end fixed mounting of first spring (304) is in the bottom of first mount (302), the inboard sliding connection of connecting plate (1) has second mount (305), the inboard fixed mounting of second mount (305) has second filter screen (306), the bottom fixed mounting of fixed block (301) has second spring (307), the one end fixed mounting of second spring (307) is in the top of second mount (305), the outside fixed mounting of connecting plate (1) has motor (308), the output fixed mounting of motor (308) has dwang (309), the one end of dwang (309) runs through the inboard of connecting plate (1), the fixed mounting of half 3010 of dwang (309).

2. A seed screening device according to claim 1, characterized in that: the top and the bottom of fixed block (301) are all fixed mounting have telescopic link (4), the bottom of first mount (302) and the top of second mount (305) all with telescopic link (4) one end fixed connection, the surface with telescopic link (4) is all established to the inner chamber of first spring (304) and second spring (307) cover.

3. A seed screening device according to claim 1, characterized in that: the top fixed mounting of connecting plate (1) has guide bar (5), discharge gate (6) have been seted up to one side of connecting plate (1), one side fixed mounting of connecting plate (1) has play hopper (7).

4. A seed screening device according to claim 1, characterized in that: the bottom fixed mounting of connecting plate (1) has supporting leg (8), the bottom fixed mounting of supporting leg (8) has attenuator (9), the bottom fixed mounting of attenuator (9) has backup pad (10), the bottom fixed mounting of supporting leg (8) has third spring (11), the one end fixed mounting of third spring (11) is in the top of backup pad (10).

5. A seed screening device according to claim 4, wherein: the bottom of supporting leg (8) is fixed mounting has extension board (12), the inboard sliding connection of extension board (12) has collection box (13).

6. A seed screening device according to claim 1, characterized in that: the inner side of the connecting plate (1) is fixedly provided with a guide hopper (14).

7. A seed screening device according to claim 5, wherein: the inner side of the extension plate (12) is provided with a guide groove (15), one side of the collection box (13) is fixedly provided with a guide block (16), and the surface of the guide block (16) is in sliding connection with the inner cavity of the guide groove (15).