CN110548669B

CN110548669B - Seed screening installation

Info

Publication number: CN110548669B
Application number: CN201910856347.9A
Authority: CN
Inventors: 袁红光
Original assignee: Yingkou Tianyu Rice Industry Co ltd
Current assignee: Yingkou Tianyu Rice Industry Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2022-06-10
Anticipated expiration: 2039-09-11
Also published as: CN110548669A

Abstract

The invention discloses seed screening equipment which comprises a base, wherein supports are symmetrically arranged on two sides of the base, a feed inlet is arranged at the upper part of the right support, a first motor is arranged in the middle of the right support, the first motor is transversely connected with and mounted with a first shaft, a spiral feeder is mounted on the first shaft, a scattering device is mounted on the left side of the spiral feeder and mounted on the first shaft through an annular motor, two stirrers are vertically and sequentially mounted on the left side of the scattering device along the first shaft, each stirrer comprises a shaft sleeve sleeved with the shaft, first connecting rods are symmetrically mounted on the shaft sleeve, a second shaft is mounted on each first connecting rod and flexibly connected with a stirring fin, a second motor is mounted on the left support, a third shaft is mounted on each second motor and coaxial with the first shaft, an inner screen cylinder is sleeved on the outer side of the third shaft, and a first threaded protrusion is arranged on the inner side of the inner screen cylinder. The invention can improve the defects of the prior art and improve the screening effect of the seed screening equipment.

Description

Seed screening installation

Technical Field

The invention relates to a screening device, in particular to seed screening equipment.

Background

Seed sieving mechanism is the device that is used for carrying out the screening to crop seed in the agricultural production. Chinese utility model patent CN 208865971U discloses a seed screening composite set. The seed screening device with the structure has a simple structure, is insufficient in screening effect, and limits the application range of the seed screening device.

Disclosure of Invention

The invention aims to provide seed screening equipment, which can overcome the defects of the prior art and improve the screening effect of the seed screening equipment.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows.

A seed screening device comprises a base, wherein supports are symmetrically arranged on two sides of the base, a feed inlet is arranged on the upper portion of the support on the right side, a first motor is arranged in the middle of the support on the right side, the first motor is transversely connected with and mounted with a first shaft, a spiral feeder is mounted on the first shaft, a spreader is mounted on the left side of the spiral feeder through an annular motor, two stirrers are vertically and sequentially mounted on the left side of the spreader along the first shaft, each stirrer comprises a shaft sleeve sleeved with the shaft, first connecting rods are symmetrically mounted on the shaft sleeve, second shafts are mounted on the first connecting rods and flexibly connected with stirring fins, a second motor is mounted on the support on the left side, a third shaft is mounted on the second motor and is coaxial with the first shaft, an inner screen cylinder is sleeved on the outer side of the third shaft, first threaded protrusions are arranged on the inner screen cylinder, and uniformly distributed screen holes are arranged in the inner screen cylinder, an outer barrel is sleeved on the outer side of the inner screen barrel, a first discharge port is arranged on the left side of the inner screen barrel, and a second discharge port is arranged on the right side of the outer barrel.

Preferably, a rubber strip is arranged at the edge of the stirring fin.

Preferably, the surface of the stirring fin is provided with a plurality of mutually parallel flanges, and the included angle between each flange and the first shaft is 45 degrees.

Preferably, the flanges are provided with notches, and the notches on adjacent flanges are staggered.

Preferably, the left side of the feeding port is provided with an air blower, and the right side of the feeding port is provided with an air outlet.

Preferably, a second thread protrusion opposite to the first thread protrusion in the inner screen cylinder is provided on the inner side of the outer cylinder.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the invention is provided with a coaxial screw feeder, a scattering device and two vertically arranged stirrers, when a feed inlet feeds, the screw feeder sends seeds to the scattering device, a ring-shaped motor arranged on a first shaft rotates reversely with the first shaft to drive the scattering device to rotate reversely and at high speed around the first shaft, so that the extruded and compacted seeds sent by the screw feeder are scattered quickly, the scattering effect is improved, the seeds are scattered quickly to the stirrers, the stirrers rotate to distribute the seeds evenly on an inner screen cylinder, smaller seeds can fall into an outer cylinder from screen holes of the inner screen cylinder, so that the seeds are screened completely and evenly, the inner screen cylinder and the outer cylinder rotate simultaneously in the same direction, the inner screen cylinder is provided with a first thread bulge, larger seeds which are not screened during the rotation process are sent to one side of the inner screen cylinder along the first thread bulge and are discharged from a first discharge port, because the inner side of the outer cylinder is provided with a second thread bulge reverse to the first thread bulge in the inner screen cylinder, at outer section of thick bamboo rotation process, the less seed of being sieved out is sent to urceolus one side by the protruding second screw that is sent to of urceolus in, discharge through the second discharge gate, the seed that has realized screening is automatic to be categorised, in seed feeding process, the air-blower carries out the wind to the seed and drenches, seed surface dust and the seed coat that drops are discharged from the air outlet, the seed cleanliness after the screening has been improved, stirring fin edge installation rubber strip, prevent that the seed is broken at stirring screening in-process, thereby the effect of seed screening has been improved, the flange can produce axial stirring to the seed at stirring fin rotation in-process, and then produce the motion intersection effect of subtend with the antiport of spreader, further improve the scattering degree of consistency of seed. The breach is used for when realizing that the seed axial is stirred, keeps certain horizontally radial effect of scattering, and then improves the radial distribution degree of consistency of seed in interior sieve section of thick bamboo.

Drawings

FIG. 1 is a block diagram of one embodiment of the present invention.

FIG. 2 is a block diagram of an inner screen cylinder in accordance with one embodiment of the present invention.

FIG. 3 is a structural view of the outer tube in accordance with one embodiment of the present invention.

Fig. 4 is a structural view of a stirring fin in an embodiment of the present invention.

Fig. 5 is a front view of a spreader in accordance with an embodiment of the present invention.

Fig. 6 is a side view of a spreader in accordance with an embodiment of the present invention.

FIG. 7 is a top view of a spreader in accordance with an embodiment of the present invention.

In the figure: 1. a base; 2. a support; 3. a first motor; 4. a first shaft; 5. a feed inlet; 6. a blower; 7. an air outlet; 8. a screw feeder; 9. a scatter sowing machine; 10. a stirrer; 11. a shaft sleeve; 12. a first connecting rod; 13. a second shaft; 14. stirring fins; 15. a rubber strip; 16. a second motor; 17. a third axis; 18. an inner screen cylinder; 19. an outer cylinder; 20. a first discharge port; 21. a second discharge port; 22. an annular motor; 23. a second connecting rod; 24. spreading the slices; 25. feeding shifting pieces; 26. a first fin; 27. a second fin; 28. a first threaded protrusion; 29. screening holes; 30. a second threaded protrusion; 31. a flange; 32. and (4) notches.

Detailed Description

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.

Referring to fig. 1-7, a specific embodiment of the present invention includes a base 1, wherein supports 2 are symmetrically installed on two sides of the base 1, a feed inlet 5 is installed on the upper portion of the right support 2, a first motor 3 is installed in the middle of the right support 2, the first motor 3 is transversely connected with and installed on a first shaft 4, a spiral feeder 8 is installed on the first shaft 4, a spreader 9 is installed on the left side of the spiral feeder 8, the spreader 9 is installed on the first shaft 4 through a ring motor 22, two stirrers 10 are vertically installed on the left side of the spreader 9 along the first shaft 4 in sequence, each stirrer 10 includes a shaft sleeve 11 sleeved with the first shaft 4, a first connecting rod 12 is symmetrically installed on the shaft sleeve 11, a second shaft 13 is installed on the first connecting rod 12, the second shaft 13 is flexibly connected with a stirring fin 14, and can be deformed during the rotation of the stirring fin 14 to prevent the stirring fin 14 from being jammed, a second motor 16 is installed on the left support 2, install third axle 17 on the second motor 16, third axle 17 is coaxial with primary shaft 4, and an interior sieve section of thick bamboo 18 has been cup jointed in the third axle 17 outside, and an interior sieve section of thick bamboo 18 inboard is provided with first screw thread protrudingly 28, is provided with evenly distributed's sieve mesh 29 in an interior sieve section of thick bamboo 18, and an outer cylinder 19 is adorned to an interior sieve section of thick bamboo 18 outside suit, and a first discharge gate 20 is installed on an interior sieve section of thick bamboo 18 left side, and a second discharge gate 21 is installed on an outer cylinder 19 right side. After the feed port 5 feeds, the spiral feeder 8 sends seeds to the spreader 9, the annular motor arranged on the first shaft 4 rotates reversely with the first shaft 4 to drive the spreader 9 to rotate reversely around the first shaft 4 at a high speed, so that the extruded and compacted seeds sent by the spiral feeder 8 are quickly spread, the spreading effect is improved, the seeds are quickly spread to the stirrers 10, the two stirrers 10 vertically arranged rotate to uniformly distribute the seeds on the inner screen cylinder 18, the smaller seeds can fall into the outer cylinder from the screen holes 29 of the inner screen cylinder 18, so that the seeds are completely and uniformly screened, the inner screen cylinder 18 and the inner screen cylinder 19 rotate simultaneously in the same direction, the inner screen cylinder 18 is provided with a first thread protrusion 28, the larger seeds which are not screened in the rotating process are sent to one side of the inner screen cylinder 18 along the first thread protrusion 28 and are discharged from the first discharge port 20, the left side of the feed port 5 is provided with the air blower 6, air outlet 7 is installed on 5 right sides of feed inlet, in the seed feeding process, air-blower 6 drenches the seed with wind, discharge seed surface dust and the peel that drops from air outlet 7, the seed cleanliness after the screening has been improved, 19 inboard outer tube is provided with the protruding 30 of the second screw that is the reverse of the protruding 28 of first screw in the interior sieve section of

thick bamboo

18, 19 rotatory in-process at outer tube, the less seed of being sieved is sent to 19 one side of outer tube by the second screw in the outer tube 19 is protruding, discharge through second discharge gate 21, the automatic function of classifying of the seed of screening has been realized, rubber strip 15 is installed at stirring fin 14 edge, prevent that the seed from at stirring screening in-process breakage, the effect of seed screening has been improved. The surface of the stirring fin 14 is provided with a plurality of mutually parallel flanges 31, and the angle between the flanges 31 and the first axis 4 is 45 degrees. The flanges 31 are provided with notches 32, and the notches 32 of adjacent flanges 31 are staggered. The flange 31 can axially stir the seeds in the rotation process of the stirring fin 14, and then generates opposite movement intersection effect with the opposite rotation of the spreader 9, so that the spreading uniformity of the seeds is further improved. The notches 32 are used for maintaining a certain level of radial spreading effect while achieving axial shifting of seeds, thereby improving the radial distribution uniformity of the seeds in the inner screen drum 18.

In addition, because the seeds are tightly stacked after being fed in the embodiment, the seeds need to be stirred and screened after being spread. The inventor has designed a dedicated spreader 9 for the construction of this embodiment. The seed scattering device 9 comprises two second connecting rods 23 symmetrically arranged on an annular motor 22, a scattering sheet 24 is arranged on the second connecting rods 23, the included angle between the scattering sheet 24 and the axis of the first shaft 4 is 30 degrees, a feeding shifting sheet 25 is arranged at one end of the scattering sheet 24 close to the feeding hole, the included angle between the feeding shifting sheet 25 and the scattering sheet 24 is 60 degrees, a first fin 26 and a second fin 27 with the included angle of 60 degrees are arranged at one end of the scattering sheet 24 far away from the feeding hole, when seeds are fed through the spiral feeder 8, the feeding shifting sheet 25 lifts the seeds and then sends the seeds to the position of the scattering sheet 24, because the included angle between the scattering sheet 24 and the axis of the first shaft 4 is 30 degrees, when the seeds pass through the scattering sheet 24, the seeds slide to the position of the first fin 26 and the second fin 27 on the other side of the scattering sheet 24 rapidly, because the included angle between the first fin 26 and the second fin 27 is 60 degrees, the seeds are scattered to different directions when passing through, and are uniformly distributed to the stirrer 10, thereby the effect of stirring and screening the seeds with uniform distribution is realized.

Among them, the screw feeder, the ring motor, the blower and the like used in the present invention belong to the mature prior art, and the detailed structure thereof will not be described in detail.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a seed screening installation, includes base (1), and support (2), its characterized in that are installed to base (1) bilateral symmetry: a feed inlet (5) is installed on the upper portion of the support (2) on the right side, a first motor (3) is installed in the middle of the support (2) on the right side, a first shaft (4) is installed on the first motor (3) in a transverse connection mode, a spiral feeder (8) is installed on the first shaft (4), a scattering device (9) is installed on the left side of the spiral feeder (8), the scattering device (9) is installed on the first shaft (4) through an annular motor (22), two stirrers (10) are sequentially and vertically installed on the left side of the scattering device (9) along the first shaft (4), each stirrer (10) comprises a shaft sleeve (11) which is sleeved with the first shaft (4), first connecting rods (12) are symmetrically installed on the shaft sleeves (11), a second shaft (13) is installed on each first connecting rod (12), the second shaft (13) is flexibly connected with a stirring fin (14), a second motor (16) is installed on the support (2) on the left side, and a third shaft (17) is installed on each second motor (16), the third shaft (17) is coaxial with the first shaft (4), an inner screen cylinder (18) is sleeved on the outer side of the third shaft (17), a first threaded protrusion (28) is arranged on the inner side of the inner screen cylinder (18), screen holes (29) which are uniformly distributed are formed in the inner screen cylinder (18), an outer cylinder (19) is sleeved on the outer side of the inner screen cylinder (18), a first discharge hole (20) is formed in the left side of the inner screen cylinder (18), and a second discharge hole (21) is formed in the right side of the outer cylinder (19); the edge of the stirring fin (14) is provided with a rubber strip (15); the surface of the stirring fin (14) is provided with a plurality of mutually parallel flanges (31), and the included angle between each flange (31) and the first shaft (4) is 45 degrees; notches (32) are arranged on the flanges (31), and the notches (32) on the adjacent flanges (31) are arranged in a staggered manner; the annular motor (22) arranged on the first shaft (4) rotates in the reverse direction with the first shaft (4) to drive the scattering device (9) to rotate around the first shaft (4) in the reverse direction at a high speed; the scattering device (9) comprises two second connecting rods (23) symmetrically arranged on an annular motor (22), a scattering sheet (24) is arranged on the second connecting rods (23), an included angle between the scattering sheet (24) and the axis of the first shaft (4) is 30 degrees, a feeding shifting sheet (25) is arranged at one end, close to the feeding port, of the scattering sheet (24), the included angle between the feeding shifting sheet (25) and the scattering sheet (24) is 60 degrees, and a first fin (26) and a second fin (27) with an included angle of 60 degrees are arranged at one end, far away from the feeding port, of the scattering sheet (24).

2. The seed screening apparatus of claim 1, wherein: air-blower (6) are installed in feed inlet (5) left side, and air outlet (7) are installed on feed inlet (5) right side.

3. The seed screening apparatus of claim 1, wherein: and a second thread protrusion (30) which is opposite to the first thread protrusion (28) in the inner screen drum (18) is arranged on the inner side of the outer drum (19).