CN209866610U

CN209866610U - Seed sieving mechanism

Info

Publication number: CN209866610U
Application number: CN201920390614.3U
Authority: CN
Inventors: 胡学友; 胡燕; 王香群; 徐学珍; 刘辉; 王丽芳
Original assignee: Fengtai County Institute Of Agricultural Sciences
Current assignee: Fengtai County Institute Of Agricultural Sciences
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2019-12-31
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a seed screening device, which comprises a discharge port, a base and a stock bin, wherein a bottom plate is arranged above the base, a plurality of springs are arranged at the edge position between the base and the bottom plate, a fixed block is arranged at one end of the bottom plate, a rotating shaft is arranged on the fixed block, a piston rod is arranged at the bottom of the rotating shaft and is arranged in a hydraulic cylinder, the hydraulic cylinder is fixedly arranged at the top of the base, the piston rod drives the bottom plate to move up and down through the fixed block, the spring is arranged between the bottom plate and the base, so that the bottom plate can shake up and down, and then the primary screening bin shakes, large-particle sundries in seeds can be screened out through a first screen, sundries slightly larger than the external diameter size of the seeds can be taken out by a second screen, the seeds can be dried out by a third screen, the sundries smaller, three discharge gates can be turned to different positions, and the screening thing of being convenient for is collected.

Description

Seed sieving mechanism

Technical Field

The utility model relates to an agricultural equipment field specifically is a seed sieving mechanism.

Background

The soybean seeds of results can be mixed with impurities such as leaves, cobblestones, bean pods and the like, and broken grains, the seeds which are shriveled and small grains are not qualified, the seeds do not emerge or are not easy to emerge, even if the seeds emerge, the seeds are not easy to survive, the seeds need to be reseeded, the later-stage irregular growth can be caused, the management is not easy, and the labor efficiency is also reduced.

At present, before the seed is examined in the field, the seed needs to be screened to get rid of impurity, broken particles and small-grained seed and debris, guarantee the rate of emergence, select the separation efficiency low through the manual work, traditional separating centrifuge utilizes wind-force to carry out the edulcoration, and the dust is great, and the seed separation is not thorough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seed sieving mechanism to solve and need filter the seed before carrying out the work of examining kind in the field to the seed, with getting rid of seed and debris of impurity, broken grain and tiny particle, guarantee the rate of emergence, select separation efficiency low through the manual work, traditional separating centrifuge utilizes wind-force to carry out the edulcoration, and the dust is great, and the not thorough problem of seed separation.

The purpose of the utility model can be realized by the following technical scheme:

a seed screening device comprises a discharge port, a base and a stock bin, wherein a bottom plate is arranged above the base, a plurality of springs are arranged at the edge position between the base and the bottom plate, a fixed block is arranged at one end of the bottom plate, a rotating shaft is arranged on the fixed block, a piston rod is arranged at the bottom of the rotating shaft and is arranged in a hydraulic cylinder, the hydraulic cylinder is fixedly arranged at the top of the base, the top of the bottom plate is provided with the stock bin, a third screen is arranged below the interior of the stock bin, a connecting plate is arranged on the side wall of the stock bin at one side of the third screen, a discharge port is arranged on the connecting plate and is communicated with the interior of the stock bin, a second-stage screening bin is arranged at the top of the stock bin, a second screen is arranged below the interior of the second-stage screening bin, a connecting plate is arranged on the side wall of, the top in second grade screening storehouse is equipped with one-level screening storehouse, and there is the feed inlet at the top in one-level screening storehouse through threaded connection, and the inside below one side position in one-level screening storehouse is equipped with first screen cloth, is equipped with the connecting plate on the lateral wall in the one-level screening storehouse of first screen cloth one side, and one-level screening storehouse and second grade screening storehouse outer wall bottom position are equipped with the reinforcing ring respectively.

As a further aspect of the present invention: the through hole has been seted up on the fixed block, the pivot setting is in the inside of fixed block upper aperture, and the inner wall contact surface of pivot and through hole is smooth for the pivot can be at the fixed block internal rotation, promotes the bottom plate upward movement.

As a further aspect of the present invention: the top and the pivot fixed connection of piston rod, the bottom setting of piston rod can carry out the downstream through pneumatic cylinder control piston rod in the inside of pneumatic cylinder for the piston rod carries out the up-and-down motion through fixed block drive bottom plate, because be equipped with the spring between bottom plate and the base, makes the bottom plate take place to shake from top to bottom, the seed screening work of being convenient for.

As a further aspect of the present invention: the aperture of the first screen is larger than that of the second screen, the aperture of the second screen is larger than that of the third screen, and the aperture of the third screen is smaller than the outer diameter of a single seed, so that large-particle impurities in the seed can be screened out through the first screen, the impurities slightly larger than the outer diameter of the seed can be taken out by the second screen, the seed can be dried out by the third screen, and the impurities smaller than the size of the seed can be leaked out of the third screen, so that the seed screening purpose is realized.

As a further aspect of the present invention: threaded holes are formed in the connecting plates on the side walls of the primary screening bin, the secondary screening bin and the material storage bin, discharge ports are mounted on the three connecting plates through bolts, so that screening objects can be discharged from the three discharge ports respectively, the three discharge ports can be rotated to different positions, and the screening objects can be collected conveniently.

The utility model has the advantages that:

the utility model discloses in, carry out the downstream through pneumatic cylinder control piston rod, make the piston rod carry out the up-and-down motion through fixed block drive bottom plate, because be equipped with the spring between bottom plate and the base, make the bottom plate take place and shake from top to bottom, make the shake of one-level screening storehouse then, make the large granule debris in the seed sieve out through first screen cloth, the second screen cloth takes out the debris that slightly is greater than seed external diameter size, the third screen cloth shines the seed out, the debris that are less than seed size spills from the third screen cloth, realize seed screening purpose, the filter can be discharged from three discharge gate respectively, different positions can be turned to three discharge gate, the filter of being convenient for is.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a seed screening apparatus according to the present invention.

Fig. 2 is the utility model discloses well one-level screening storehouse and second grade screening storehouse's inner structure schematic diagram.

Fig. 3 is a schematic structural view between the base and the bottom plate in the present invention.

In the figure: 1. a connecting plate; 2. a discharge port; 3. a reinforcing ring; 4. a base plate; 5. a base; 6. a feed inlet; 7. a primary screening bin; 8. a secondary screening bin; 9. a storage bin; 10. a spring; 11. a first screen; 12. a second screen; 13. a rotating shaft; 14. a fixed block; 15. a piston rod; 16. a hydraulic cylinder; 17. and a third screen.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, a seed screening device comprises a discharge port 2, a base 5 and a storage bin 9, wherein a bottom plate 4 is arranged above the base 5, a plurality of springs 10 are arranged at the edge position between the base 5 and the bottom plate 4, a fixed block 14 is arranged at one end of the bottom plate 4, a rotating shaft 13 is arranged on the fixed block 14, a piston rod 15 is arranged at the bottom of the rotating shaft 13, the piston rod 15 is arranged inside a hydraulic cylinder 16, the hydraulic cylinder 16 is fixedly arranged at the top of the base 5, the storage bin 9 is arranged at the top of the bottom plate 4, a third screen 17 is arranged at the lower part of the inside of the storage bin 9, a connecting plate 1 is arranged on the side wall of the storage bin 9 at one side of the third screen 17, the discharge port 2 is arranged on the connecting plate 1, the discharge port 2 is communicated with the inside of the storage bin 9, a second screening bin 8 is arranged, the side wall of the second-stage screening bin 8 at one side of the second screen 12 is provided with a connecting plate 1, the side wall at the bottom end of the second-stage screening bin 8 is connected with the side wall at the top end of the stock bin 9 through a thread, the top of the second-stage screening bin 8 is provided with a first-stage screening bin 7, the top of the first-stage screening bin 7 is connected with a feed inlet 6 through a thread, a first screen 11 is arranged at a position below the inner part of the first-stage screening bin 7, the side wall of the first-stage screening bin 7 at one side of the first screen 11 is provided with the connecting plate 1, the bottom positions of the outer side walls of the first-stage screening bin 7 and the second-stage screening bin 8 are respectively provided with a reinforcing ring 3, when in use, seeds to be screened are poured into the first-stage screening bin 7 from the feed inlet 6, a piston rod 15 is controlled by a hydraulic cylinder, then make one-level screening storehouse 7 shake for large granule debris in the seed are sieved out through first screen cloth 11, and second screen cloth 12 takes out and is slightly greater than the debris of seed external diameter size, and third screen cloth 17 shines the seed out, and the debris that are less than the seed size spill from third screen cloth 17, realizes the seed screening purpose, and the filter can be discharged in three discharge gate 2 respectively, and three discharge gate 2 can be changeed to different positions, and the filter of being convenient for is collected.

The fixing block 14 is provided with a through hole, the rotating shaft 13 is arranged inside the through hole on the fixing block 14, and the contact surface of the rotating shaft 13 and the inner wall of the through hole is smooth, so that the rotating shaft 13 can rotate in the fixing block 14 to push the bottom plate 4 to move upwards.

The top and the pivot 13 fixed connection of piston rod 15, the bottom setting of piston rod 15 can carry out the downstream through pneumatic cylinder 16 control piston rod 15 in pneumatic cylinder 16's inside for piston rod 15 carries out the up-and-down motion through 14 drive bottom plates 4 of fixed block, because be equipped with spring 10 between bottom plate 4 and the base 5, makes bottom plate 4 take place shake from top to bottom, the seed screening work of being convenient for.

The aperture of the first screen 11 is larger than that of the second screen 12, the aperture of the second screen 12 is larger than that of the third screen 17, and the aperture of the third screen 17 is smaller than the outer diameter of a single seed, so that large-particle impurities in the seeds can be screened out through the first screen 11, impurities slightly larger than the outer diameter of the seeds can be taken out through the second screen 12, the seeds are dried out through the third screen 17, and the impurities smaller than the size of the seeds can leak out from the third screen 17, so that the purpose of screening the seeds is achieved.

Threaded holes are formed in connecting plates 1 on the side walls of the one-level screening bin 7, the second-level screening bin 8 and the material storage bin 9, and discharging holes 2 are formed in three connecting plates 1 through bolts, so that screening objects can be discharged from three discharging holes 2 respectively, the three discharging holes 2 can be rotated to different positions, and the screening objects can be collected conveniently.

The utility model discloses a theory of operation: the utility model discloses during the use, the seed that will need the screening is poured into one-level screening storehouse 7 from feed inlet 6 in, carry out downstream through pneumatic cylinder 16 control piston rod 15, make piston rod 15 carry out the up-and-down motion through 14 drive bottom plates of fixed block 4, because be equipped with spring 10 between bottom plate 4 and the base 5, make bottom plate 4 take place and shake from top to bottom, then make one-level screening storehouse 7 shake, make the large granule debris in the seed sieve out through first screen cloth 11, second screen cloth 12 takes out the debris that slightly is greater than seed external diameter size, third screen cloth 17 shines the seed out, the debris that are less than seed size spills from third screen cloth 17, realize seed screening purpose, the filter can be discharged from three discharge gate 2 respectively.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A seed screening device is characterized by comprising a discharge port (2), a base (5) and a stock bin (9), wherein a bottom plate (4) is arranged above the base (5), a plurality of springs (10) are arranged at the edge position between the base (5) and the bottom plate (4), a fixed block (14) is arranged at one end of the bottom plate (4), a rotating shaft (13) is arranged on the fixed block (14), a piston rod (15) is arranged at the bottom of the rotating shaft (13), the piston rod (15) is arranged inside a hydraulic cylinder (16), the hydraulic cylinder (16) is fixedly arranged at the top of the base (5), the stock bin (9) is arranged at the top of the bottom plate (4), a third screen (17) is arranged below the inside of the stock bin (9), a connecting plate (1) is arranged on the side wall of the stock bin (9) on one side of the third screen (17), and a discharge port (2), discharge gate (2) and the inside intercommunication of stock bin (9), the top of stock bin (9) is equipped with second grade screening storehouse (8), the inside below position on the lower side of second grade screening storehouse (8) is equipped with second screen cloth (12), be equipped with connecting plate (1) on the lateral wall of second grade screening storehouse (8) of second grade screen cloth (12) one side, the bottom lateral wall of second grade screening storehouse (8) passes through threaded connection with the top lateral wall of stock bin (9), the top of second grade screening storehouse (8) is equipped with one-level screening storehouse (7), there is feed inlet (6) at the top of one-level screening storehouse (7) through threaded connection, the inside below position of one-level screening storehouse (7) is equipped with first screen cloth (11), be equipped with connecting plate (1) on the lateral wall of one-level screening storehouse (7) of first screen cloth (11) one side, one-level screening storehouse (7) and second grade screening storehouse (8) lateral wall bottom position are equipped with back.

2. A seed screening apparatus according to claim 1, wherein the fixing block (14) is provided with a through hole, the rotating shaft (13) is disposed inside the through hole of the fixing block (14), and the contact surface between the rotating shaft (13) and the inner wall of the through hole is smooth.

3. A seed screening apparatus according to claim 1, characterized in that the top end of the piston rod (15) is fixedly connected to the rotary shaft (13), and the bottom end of the piston rod (15) is arranged inside the hydraulic cylinder (16).

4. A seed screening apparatus according to claim 1, wherein the first screen (11) has a larger aperture size than the second screen (12), the second screen (12) has a larger aperture size than the third screen (17), and the third screen (17) has a smaller aperture size than the outer diameter of a single seed.

5. A seed screening device according to claim 1, characterized in that the side walls of the primary screening bin (7), the secondary screening bin (8) and the storage bin (9) are provided with threaded holes on connecting plates (1), and the three connecting plates (1) are provided with discharge ports (2) through bolts.