CN212092743U - Based on three gardens of wheat sieving mechanism for field seed - Google Patents
Based on three gardens of wheat sieving mechanism for field seed Download PDFInfo
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- CN212092743U CN212092743U CN202020453211.1U CN202020453211U CN212092743U CN 212092743 U CN212092743 U CN 212092743U CN 202020453211 U CN202020453211 U CN 202020453211U CN 212092743 U CN212092743 U CN 212092743U
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Abstract
The utility model provides a screening device for seeds based on three wheat nursery fields, which comprises a box body and a seed feeding hopper, wherein the seed feeding hopper is arranged at the top of the box body; the first filter screen is transversely arranged at the upper part of the inner cavity of the box body and is downwards inclined from the front end to the rear end. The utility model provides a screening device for seed based on three gardens of wheat seeds, through setting up degressive first filter screen of aperture size and second filter screen, screening out the great and less but similar debris of full seed weight of granule respectively, through the flat kind of in the washing messenger seed, empty shell, the lighter debris of weight such as grass leaf float, carry out three steps of screening through granule size and weight, separate out the unqualified debris of various weight and granule size, inferior kind, only leave the granule plump, the even seed of weight, the screening effect is better, improve the yields of seed effectively, reduce the influence of the quality of wheat seed to output.
Description
Technical Field
The utility model relates to an agricultural seed selection technical field especially relates to a based on three gardens of wheat sieving mechanism for field seed.
Background
Wheat is a general name of wheat plants, is a monocotyledon, is a gramineous plant widely planted all over the world, has caryopsis as one of staple food of human beings, and can be used for making foods such as bread, steamed bread, biscuits, noodles and the like after being ground into flour; fermenting to obtain beer, alcohol, Chinese liquor (such as vodka), or biomass fuel, wherein the wheat is rich in starch, protein, fat, minerals, calcium, ferrum, thiamine, riboflavin, nicotinic acid, vitamin A and vitamin C.
The "three-nursery field" of wheat refers to wheat ear row nursery, ear system nursery and original seed nursery. At present, the wheat is generally produced in three gardens for three years and is supplied for the field production of wheat. The construction of three-nursery field of wheat can maintain the excellent character of the existing wheat variety and accelerate the popularization of the improved variety of wheat, thereby achieving the purpose of high yield and income increase.
The variety of wheat is an important factor of wheat yield, in order to guarantee the excellence of the wheat variety, seeds of wheat need to be screened before planting, impurities such as small grains, broken grains, grass seeds and gravels are removed, the seeds for sowing are full and uniform in size, the yield of the wheat seeds is improved, the existing screening device generally simply screens the wheat seeds through screen vibration, damaged seeds such as broken grains and empty shells cannot be accurately separated, and the screening effect is poor.
Therefore, there is a need to provide a new screening device for seeds in three wheat fields to solve the above problems.
Disclosure of Invention
The utility model provides a based on three gardens of wheat sieving mechanism for field seed, the technical problem of solution is that current wheat seed sieving mechanism net vibrations carry out simple screening to the wheat seed, and the seed of damage such as broken grain, ghost can't be accurately separated, and the screening effect is not good.
In order to solve the technical problem, the screening device for seeds based on three wheat nursery fields provided by the utility model comprises a box body and a seed feeding hopper, wherein the seed feeding hopper is arranged at the top of the box body; the first filter screen is transversely arranged at the upper part of the inner cavity of the box body, and the first filter screen is downwards inclined from the front end to the rear end; the second filter screen is transversely arranged at the lower part of the inner cavity of the box body and inclines downwards from the rear end to the front end; the scraping plates are arranged between two sides of the inner wall of the box body and can move along the surface of the second filter screen; the motor is arranged outside the box body; the stirring shaft is transversely arranged in the inner cavity of the box body, one end of the stirring shaft is fixedly connected with an output shaft of the motor, the stirring shaft is positioned between the first filter screen and the second filter screen, and stirring blades are arranged on the stirring shaft along the radial direction of the stirring shaft; the support rod is transversely arranged between two ends of the inner wall of the box body and is positioned below the first filter screen; the sliding sleeve is sleeved on the surface of the supporting rod and can slide along the length direction of the supporting rod; the screen frame is detachably arranged at the bottom of the sliding sleeve, and one side of the screen frame is provided with an opening; one end of the pull rod is fixed at the top of the sliding sleeve, and the other end of the pull rod can penetrate to the outside of one end of the box body in a drawing mode; the water inlet pipe is arranged on the side wall of the box body and located below the first filter screen.
Preferably, a dismounting opening which can dismount the screen frame is formed in the side wall of the box body, and the dismounting opening is located on one side of the opening of the screen frame.
Preferably, a slag outlet is formed in the side wall of the box body and located at the rear end of the first filter screen.
Preferably, a seed outlet is formed in the side wall of the box body and located at the front end of the second filter screen, and a downward-inclined seed outlet pipe is connected to the seed outlet.
Preferably, the front side face of the scraper is fixedly connected with a long rod, the inclination angle of the long rod is the same as that of the second filter screen, and one end of the long rod can be arranged along the seed outlet pipe to penetrate through the box body.
Preferably, a conical hopper is arranged at the bottom of the inner cavity of the box body, and an outlet is formed in the bottom of the conical hopper.
Compared with the prior art, the utility model provides a based on three gardens of wheat sieving mechanism for field seed has following beneficial effect:
the utility model provides a sieving mechanism for seed based on three gardens of wheat seeds, through setting up degressive first filter screen of aperture size and second filter screen, with the great grit of granule, debris such as the less sand grain that nevertheless is close with full seed weight of grass leaf etc. and granule sieve out respectively, wash through water again, make flat kind in the seed, the vacant shell, the lighter debris of weight such as grass leaf float on the surface of water, separate with full seed, further select separately the seed, carry out three steps of screenings through granule size and weight, separate out various weight and unqualified debris of granule size, inferior kind, only leave the granule full, the seed that weight is even, the screening effect is better, improve the yields of seed effectively, reduce the quality of wheat seed to the influence of output.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a screening device for seeds based on a three-nursery wheat field provided by the present invention;
FIG. 2 is a schematic structural view of the support rod and the net frame shown in FIG. 1;
fig. 3 is a top view of the support rods and the frame shown in fig. 1.
Reference numbers in the figures: 1. the box, 2, advance kind fill, 3, first filter screen, 4, second filter screen, 5, go out the mouth, 6, scraper blade, 7, stock, 8, motor, 9, (mixing) shaft, 10, stirring vane, 11, inlet tube, 12, bracing piece, 13, sliding sleeve, 14, screen frame, 15, pull rod, 16, dismantlement mouth, 17, slag notch, 18, play kind pipe, 19, export, 20, toper fill.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a screening device for seeds of a three-nursery wheat field according to the present invention; FIG. 2 is a schematic structural view of the support rod and the net frame shown in FIG. 1; fig. 3 is a top view of the support rods and the frame shown in fig. 1.
The screening device for seeds based on the three-nursery field of wheat comprises a box body 1 and a seed inlet hopper 2, wherein the seed inlet hopper 1 is arranged at the top of the box body 1; the first filter screen 3 is transversely arranged at the upper part of the inner cavity of the box body 1, and the first filter screen 3 is downwards inclined from the front end to the rear end; and the second filter screen 4 is transversely arranged at the lower part of the inner cavity of the box body 1, and the second filter screen 4 is downwards inclined from the rear end to the front end.
The aperture of first filter screen 3 is great, can make the wheat seed normally through the downstream, separates debris such as grit, grass leaf of great granule, and the aperture of second filter screen 4 is less for intact full seed can't fall downwards, can only make impurity such as grass seed, sand grain flow downwards, leaves full wheat seed on the second filter screen 4.
The first filter screen 3 and the second filter screen 4 act together to respectively screen out sundries with larger particles or smaller particles which are close to the weight of the plump seeds, and only the seeds with plump particles and even weight are left.
Lie in on the lateral wall of box 1 a slag notch 17 has been seted up to the rear end of first filter screen 3, after working a period, can open slag notch 17, clears away large granule debris such as grit, grass leaf on the first filter screen 3, avoids first filter screen 3 to spill the flower girl and piles up more debris and make the unable whereabouts of seed, and the slope of first filter screen 3 sets up, is convenient for clear up.
A seed outlet 5 is formed in the side wall of the box body 1 and located at the front end of the second filter screen 4, a downward-inclined seed outlet pipe 18 and a scraper 6 are connected to the seed outlet 5, the scraper 6 is arranged between the two sides of the inner wall of the box body 1, and the scraper 6 can move along the surface of the second filter screen 4.
The front side surface of the scraping plate 6 is fixedly connected with a long rod 7, and the inclination angle of the long rod 7 is the same as that of the second filter screen 4. One end of the long rod 7 can penetrate to the outside of the box body 1 along the seed outlet pipe 18.
After working for a period of time, pile up more wheat seed on the second filter screen 4, open outlet 5 this moment, pull out stock 7 from outlet pipe 18, drive scraper blade 6 along the inner wall of box 1 at second filter screen 4 surface slip, collect the seed discharge on second filter screen 4 surface and be used for planting.
The water inlet pipe 11 is arranged on the side wall of the box body 1 and is positioned below the first filter screen 3. The inlet tube 11 leads to water to 1 inner chamber of box, forms a water cavity at 1 inner chamber of box, and the seed falls the water cavity after first filter screen 3, and flat kind in the seed, vacant shell, grass leaf etc. can float on the surface of water because weight is lighter, separate with full seed, further select separately the seed.
The normal germination of the seeds can not be influenced by washing the seeds before planting, and the activity of the seeds can not be influenced.
The motor 8, the said motor 8 is set up in the outside of the said container body 1; (mixing) shaft 9, (mixing) shaft 9 transversely set up in the inner chamber of box 1, the one end of (mixing) shaft 9 with the output shaft fixed connection of motor 8, the (mixing) shaft 9 is located first filter screen 3 with between the second filter screen 4, be provided with stirring vane 10 along its radial on the (mixing) shaft 9.
The length of the stirring blade 10 is not consistent, and is determined according to the space size of the position where the stirring blade is located, so that the stirring blade is prevented from interfering with the second filter screen 4 or other elements.
The supporting rod 12 is transversely arranged between two ends of the inner wall of the box body 1, and the supporting rod 12 is positioned below the first filter screen 3; the sliding sleeve 13 is sleeved on the surface of the supporting rod 12, and the sliding sleeve 13 can slide along the length direction of the supporting rod 12; the screen frame 14 is detachably arranged at the bottom of the sliding sleeve 13, and one side of the screen frame 14 is provided with an opening; and one end of the pull rod 15 is fixed on the top of the sliding sleeve 13, and the other end of the pull rod 15 penetrates the outer part of one end of the box body 1 in a drawing manner.
Before the screening, the screen frame 14 is located the below of bracing piece 12 one end, opening one side is towards the surface of water, the screening is accomplished the back, flat kind, the ghost, grass leaf etc. float on the surface of water under the buoyancy effect of water, this moment pulling pull rod 15 drives the movable sleeve 13 motion, thereby drive screen frame 14 along the surface of water motion, with in the impurity income screen frame 14 on the surface of water, move to the bottom of the bracing piece 12 other end until screen frame 14, opening one side and the contact of box 1 lateral wall avoid impurity to flow.
A disassembling port 16 which can disassemble the screen frame 14 is formed in the side wall of the box body 1, and the disassembling port 16 is positioned on one side of the opening of the screen frame 14.
After the screening is completed, water and full seeds are respectively discharged, the disassembling port 16 is opened, the screen frame 14 is taken out from the disassembling port 16 to be cleaned, and the influence on the next screening caused by sundries left in the screen frame 14 is avoided.
The height of the water surface is between the top and the bottom of the opening side of the net frame 14, so that sundries floating on the water surface can be just collected into the net frame 14.
The sectional area of the front end opening end of the net frame 14 is large, the sectional area of the rear end sealing end is small, the front end opening face of the net frame 14 is an elastic frame, and the front end opening face of the net frame 14 can be matched with the inner cavity of the box body 1 exactly when the net frame is used, so that sundries are prevented from floating away from the two sides of the net frame 14, the cleaning effect on the sundries is guaranteed, and meanwhile, after the screening is completed, the front end of the net frame 14 can be compressed, and the net frame 14 can be taken out from the.
The bottom of the inner cavity of the box body 1 is provided with a conical hopper 20, and the bottom of the conical hopper 20 is provided with an outlet 19. The conical hopper 20 is convenient for water in the box body 1 and sundries below the second filter screen 4 to flow out through the outlet 19, and influence on next screening is avoided.
The utility model provides a based on three gardens of wheat sieving mechanism for field seed's theory of operation as follows:
when the water-saving wheat seeder is used, water is firstly introduced into the box body 1 through the water inlet pipe 11, the water surface is positioned between the top and the bottom of the opening side of the net frame 14, seeds are poured into the water-inlet hopper 2 and pass through the first filter screen 3, impurities such as large-particle gravels and grass leaves are left, the wheat seeds normally pass through the water and fall into the water, the motor 8 drives the stirring shaft 9 to rotate to drive the stirring blades 10 to rotate, the seeds and the water are stirred when the seeds fall into the water, the wheat seeds are completely dispersed, the light-weight shriveled seeds, empty shells, grass leaves and the like are separated from the full seeds due to the action of water flow, the wheat seeder floats under the action of the buoyancy of the water, the impurities such as sand particles which are similar to the weight of the wheat seeds and have small particles fall downwards through the second filter screen 4, the pull rod 15 is pulled to drive the movable sleeve 13 to move, so as to drive the net frame 14 to move along the, until the screen frame 14 moves to the bottom of the other end of the supporting rod 12, one side of the opening is in contact with the side wall of the box body 1, so that impurities are prevented from flowing out, the opening 19 is opened, water and impurities below the second filter screen 4 flow out, the slag outlet 17 and the seed outlet 5 are opened, impurities and screened high-quality seeds are respectively discharged, and screening of the seeds is completed.
Compared with the prior art, the utility model provides a based on three gardens of wheat sieving mechanism for field seed has following beneficial effect:
the utility model provides a sieving mechanism for seed based on three gardens of wheat seeds, through setting up degressive first filter screen 3 of aperture size and second filter screen 4, with the great grit of granule, debris such as the less sand grain that nevertheless is close with full seed weight of grass leaf etc. and granule sieve out respectively, through washing, make flat kind in the seed, the vacant shell, the lighter debris of weight such as grass leaf float on the surface of water, separate with full seed, further select separately the seed, carry out three screens through granule size and weight, separate out the unqualified debris of various weight and granule size, inferior kind, only leave the granule plump, the seed that weight is even, the screening effect is better, improve the yields of seed effectively, reduce the quality of wheat seed to the influence of output.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a based on three gardens of wheat sieving mechanism for field seed, includes a box, its characterized in that:
the seed inlet hopper is arranged at the top of the box body;
the first filter screen is transversely arranged at the upper part of the inner cavity of the box body, and the first filter screen is downwards inclined from the front end to the rear end;
the second filter screen is transversely arranged at the lower part of the inner cavity of the box body and inclines downwards from the rear end to the front end;
the scraping plates are arranged between two sides of the inner wall of the box body and can move along the surface of the second filter screen;
the motor is arranged outside the box body;
the stirring shaft is transversely arranged in the inner cavity of the box body, one end of the stirring shaft is fixedly connected with an output shaft of the motor, the stirring shaft is positioned between the first filter screen and the second filter screen, and stirring blades are arranged on the stirring shaft along the radial direction of the stirring shaft;
the support rod is transversely arranged between two ends of the inner wall of the box body and is positioned below the first filter screen;
the sliding sleeve is sleeved on the surface of the supporting rod and can slide along the length direction of the supporting rod;
the screen frame is detachably arranged at the bottom of the sliding sleeve, and one side of the screen frame is provided with an opening;
one end of the pull rod is fixed at the top of the sliding sleeve, and the other end of the pull rod can penetrate to the outside of one end of the box body in a drawing mode;
the water inlet pipe is arranged on the side wall of the box body and located below the first filter screen.
2. The screening apparatus for seed in three-nursery field for wheat according to claim 1, wherein a detaching opening for detaching the net frame is formed on a side wall of the casing, and the detaching opening is located at a side of the opening of the net frame.
3. The screening apparatus for seed in three-nursery field for wheat according to claim 1, wherein a slag outlet is formed at a rear end of the first filter screen on a side wall of the casing.
4. The screening device for seeds in a three-nursery wheat field according to claim 1, wherein a seed outlet is formed in the side wall of the box body at the front end of the second filter screen, and a downward-inclined seed outlet pipe is connected to the seed outlet.
5. The screening device for seeds in a wheat three-nursery field according to claim 4, wherein a long rod is fixedly connected to a front side surface of the scraping plate, an inclination angle of the long rod is the same as that of the second filter screen, and one end of the long rod can penetrate to the outside of the box body along the seed outlet pipe.
6. The wheat three nursery seed screening device as claimed in claim 1, wherein a conical hopper is provided at the bottom of the inner cavity of the box body, and an outlet is provided at the bottom of the conical hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020453211.1U CN212092743U (en) | 2020-03-31 | 2020-03-31 | Based on three gardens of wheat sieving mechanism for field seed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020453211.1U CN212092743U (en) | 2020-03-31 | 2020-03-31 | Based on three gardens of wheat sieving mechanism for field seed |
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| CN212092743U true CN212092743U (en) | 2020-12-08 |
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| CN202020453211.1U Active CN212092743U (en) | 2020-03-31 | 2020-03-31 | Based on three gardens of wheat sieving mechanism for field seed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663909A (en) * | 2021-09-13 | 2021-11-19 | 江苏馨野生态农业科技有限公司 | Seed sieving mechanism for ecological agriculture |
| CN118698714A (en) * | 2024-08-28 | 2024-09-27 | 吉林农业科技学院 | Seed selection device for soybean cultivation |
-
2020
- 2020-03-31 CN CN202020453211.1U patent/CN212092743U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663909A (en) * | 2021-09-13 | 2021-11-19 | 江苏馨野生态农业科技有限公司 | Seed sieving mechanism for ecological agriculture |
| CN118698714A (en) * | 2024-08-28 | 2024-09-27 | 吉林农业科技学院 | Seed selection device for soybean cultivation |
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