CN111771478A - Air-aspiration type leak-proof seeding device - Google Patents
Air-aspiration type leak-proof seeding device Download PDFInfo
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- CN111771478A CN111771478A CN202010730959.6A CN202010730959A CN111771478A CN 111771478 A CN111771478 A CN 111771478A CN 202010730959 A CN202010730959 A CN 202010730959A CN 111771478 A CN111771478 A CN 111771478A
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- seed
- air
- bearing
- shell
- seeding device
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/04—Single-grain seeders with or without suction devices
- A01C7/042—Single-grain seeders with or without suction devices using pneumatic means
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C19/00—Arrangements for driving working parts of fertilisers or seeders
- A01C19/02—Arrangements for driving working parts of fertilisers or seeders by a motor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
- A01C7/206—Seed pipes
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The utility model provides an air-suction type leak protection seeder, belong to the agricultural machine field, the casing lower extreme is equipped with the seed metering mouth, the seed metering dish is installed in the casing inner chamber with stirring kind of pole, it is parallel with the casing outer plane, support through bracing piece and bearing, it realizes rotating to connect servo motor, seed metering dish both sides are negative pressure chamber and positive pressure chamber respectively, adsorb the seed through the pressure difference, stifled hole piece and fender kind of piece are adorned respectively in seed metering dish both sides, stifled hole piece rigid coupling in the casing, it supports by step motor drive rotation to keep off kind of piece through the bearing, the combined action realizes dropping of seed. The invention is suitable for spherical and ellipsoidal seeds, and can effectively sow and reduce the miss-seeding rate, so that the sowing state is uniform.
Description
Technical Field
The invention belongs to the field of agricultural machinery, relates to a seeding device, and particularly relates to an air-aspiration type leak-proof seeding device.
Background
In the modern sowing process, the following three problems exist in the sowing process, namely that the sowing machine is not suitable and has poor adaptability; secondly, the manufacturing cost is high, and the low-cost green development trend is not met; thirdly, the seeding is unstable, the seeding is easy to miss, the efficiency is lower, and the seeding is not beneficial to the mechanized seeding operation of modern agriculture. The structure of the seeder has important influence on the seeding quality, and is beneficial to improving the production quality of crops. Modern seeder mainly by outer sheave formula disseminator, drum-type disseminator and air-suction type disseminator, the condition of seeding inequality and missed seeding can all be leaded to reasons such as the adaptability of complicated, the function of structure is unstable, to the seed is poor, consequently, need adopt simple effectual device to solve, reach stable seeding, effective leak protection is broadcast, the purpose of raising the efficiency.
Disclosure of Invention
The invention aims to provide an air-suction type leak-proof seeding device which is simple in structure and convenient to use, can realize stable seeding and leak prevention, and can achieve the effects of manufacturing machinery with low cost and improving the operation efficiency, aiming at the defects of poor adaptability, high manufacturing cost, low efficiency caused by leak seeding, poor fertilizing effect and the like of the existing seeding device.
The technical scheme of the invention is as follows: an air-suction type leak-proof seeding device comprises a shell and a seeding pipe arranged at the bottom of the shell; the method is characterized in that: a seed discharging disc and a seed stirring rod are arranged in the shell, a plurality of seed sucking holes are uniformly distributed on the seed discharging disc, a baffle plate is arranged on the circumferential outer side of the seed stirring rod, an air suction hole is arranged on one side wall of the shell, a first bearing is arranged below the air suction hole, a supporting shaft is arranged in the first bearing, one end of the supporting shaft is fixedly connected with the seed discharging disc and the seed stirring rod, the other end of the supporting shaft is connected with a servo motor, the other side wall of the shell is provided with a hole, a second bearing is arranged below the seed inlet hole, a support shaft is arranged in the second bearing, a seed blocking block is arranged at one end of the support shaft, the seed blocking block is arranged at the outer side of the partition plate and clings to the seed sowing plate, the inner wall of the top of the shell is provided with an upper stop block, the inner wall of the bottom of the shell is provided with a lower blocking block, and the inner cavity of the shell is divided into a negative pressure cavity and a positive pressure cavity by the seed sowing disc.
The shell is of a left-right split structure and is tightened and combined through bolts in the shell flange.
The seed stirring rod is composed of a plurality of rods, the seed stirring rods are fixedly arranged on the outer circumference of the shaft end of the supporting shaft at equal intervals, and the shaft end of the seed stirring rod is fastened through a locking ring.
The seed suction holes are arranged on the surface of the seed metering disc in an annular array and consist of an inner ring and an outer ring.
The length of the seed stirring rod is smaller than the radial distance of the inner ring, and a seed stirring bulge is arranged on the outer side of the top end of the seed stirring rod.
The seed suction hole is composed of a guide groove, a hole main body and an air suction port, the guide groove and the hole main body are connected to form a funnel structure, and the air suction port is arranged at the center of the bottom surface of the hole main body.
An inclined inner ring is arranged in the shell, and a vibration exciter is arranged at the bottom of the inclined inner ring.
The upper stop block is arranged on the outer ring seed suction hole.
The upper edge of the lower plugging block is arranged below the inner ring seed suction hole.
And bearing oil seal rings are arranged on the outer sides of the first bearing and the second bearing, oil seal ring attaching steps are arranged on the bearing oil seal rings, and oil seal ring bonding openings are formed in the bearing oil seal rings.
The invention has the beneficial effects that: the invention provides an air-suction type leak-proof seeding device, wherein a seeding opening is arranged at the lower end of a shell, a seeding plate and a seed stirring rod are arranged in an inner cavity of the shell and are parallel to the outer plane of the shell, the seeding plate and the seed stirring rod are supported by a supporting rod and a bearing and are connected with a servo motor to realize rotation, a negative pressure cavity and a positive pressure cavity are respectively arranged at two sides of the seeding plate, seeds are adsorbed by pressure difference, a hole blocking block and a seed blocking block are respectively arranged at two sides of the seeding plate, the hole blocking block is fixedly connected with the shell, and the seed blocking block is driven by the stepping motor to. The invention is suitable for spherical and ellipsoidal seeds, and can effectively sow and reduce the miss-seeding rate, so that the sowing state is uniform.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the structure of the seeding tray of the present invention.
FIG. 3 is a schematic diagram of the operation position of the seed tray of the present invention.
FIG. 4 is a schematic view of the structure of the seed suction hole of the present invention.
FIG. 5 is a schematic view of the structure of the bearing oil seal ring of the present invention.
In the figure: the seed metering device comprises a shell 1, a suction hole 2, a servo motor 3, a first coupler 4, a bearing oil seal ring 5, an oil seal ring attaching step 5-1, an oil seal ring bonding opening 5-2, a first bearing 6, a lower blocking block 7, a seed metering pipe 8, a vibration exciter 9, an inclined inner ring 10, a stepping motor 11, a second coupler 12, a second bearing 13, a seed blocking block 14, a seed blocking block first position 14-1, a seed blocking block second position 14-2, a seed inlet 15, a locking ring 16, a seed stirring rod 17, a seed stirring bulge 18, a seed disk 19, a seed suction hole 20, a guide groove 20-1, a hole body 20-2, a suction port 20-3, an upper blocking block 21, a partition plate 22 and a seed metering support shaft 23.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in figure 1, the air-suction type leakproof seeding device comprises a shell 1, a seeding pipe 8 arranged at the bottom of the shell 1; the seed metering disc 8 and the seed stirring rod 17 are arranged inside the shell 1, a plurality of seed sucking holes 20 are uniformly distributed on the seed metering disc 8, a partition plate 22 is arranged on the circumferential outer side of the seed stirring rod 17, a suction hole 2 is formed in one side wall of the shell 1, a first bearing 6 is arranged below the suction hole 2, a supporting shaft 23 is arranged in the first bearing 6, one end of the supporting shaft 23 is fixedly connected with the seed metering disc 19 and the seed stirring rod 17, a servo motor 3 is connected to the other end of the supporting shaft 23, a seed inlet hole 15 is formed in the other side wall of the shell 1, a second bearing 13 is arranged below the seed inlet hole 15, a supporting shaft is arranged in the second bearing 13, a seed blocking block 14 is arranged at one end of the supporting shaft, the seed blocking block 14 is arranged on the outer side of the partition plate 22 and is arranged to be close to the seed metering disc 19, an upper blocking 21 is arranged on the inner wall of.
As shown in figure 1, a suction type leakproof seeding device, a shell 1 is of a left-right split structure, and is tensioned and combined through bolts in a shell flange; the seed stirring rod 17 consists of a plurality of rods, the seed stirring rods 17 are fixedly arranged on the outer circumference of the shaft end of the supporting shaft 23 at equal intervals, and the shaft end of the seed stirring rod 17 is fastened through a locking ring 16; the seed suction holes 20 are arranged on the surface of the seed discharging disc 19 in an annular array, and the seed suction holes 20 consist of an inner ring and an outer ring; the rod length of the seed stirring rod 17 is smaller than the radial distance of the inner ring, and a seed stirring bulge 18 is arranged on the outer side of the top end of the seed stirring rod 17; the suction hole 20 consists of a guide groove 20-1, a hole main body 20-2 and an air suction port 20-3, the guide groove 20-1 and the hole main body 20-2 are connected to form a funnel structure, and the air suction port 20-3 is arranged at the center of the bottom surface of the hole main body 20-2; an inclined inner ring 10 is arranged in the shell 1, and a vibration exciter 9 is arranged at the bottom of the inclined inner ring 10; the upper stop block 21 is arranged above the outer ring seed sucking hole; the upper edge of the lower plugging block 7 is arranged below the inner ring seed suction hole; bearing oil seal rings 5 are arranged on the outer sides of the first bearing 6 and the second bearing 13, oil seal ring attaching steps 5-1 are arranged on the bearing oil seal rings 5, and oil seal ring bonding openings 5-2 are formed in the bearing oil seal rings 5.
As shown in figure 1, the working principle of the air-suction type leakproof seeding device is as follows: air is sucked out from the air suction holes 2, a negative pressure cavity is formed in the left side of the seed sowing plate 19, seeds are sucked through the seed suction holes 20, the outer ring seed suction holes 20 lose a negative pressure state under the action of the lower stop blocks 7, the seeds fall off in a positive pressure state, and when the monitoring system monitors that the outer ring is seedless, the seed blocking blocks 14 rotate under the action of the stepping motor 11 to scrape the seeds corresponding to the inner ring, so that the aim of preventing seeding leakage is fulfilled, and the seed sowing is uniform and stable. This device novel structure, the theory of operation is clear, and servo motor and step motor combine, and atmospheric pressure and physics scrape the mutual nimble cooperation of phase, and operation effect and efficiency effectively promote, and the combined effect can the energy saving, and reduce cost is suitable for modern mechanized seeding operation.
Claims (10)
1. An air-aspiration type leak-proof seeding device comprises a shell (1) and a seeding pipe (8) arranged at the bottom of the shell (1); the method is characterized in that: the seed metering disc (8) and the seed stirring rod (17) are arranged inside the shell (1), a plurality of seed sucking holes (20) are uniformly distributed on the seed metering disc (8), a partition plate (22) is arranged on the outer side of the circumferential direction of the seed stirring rod (17), a suction hole (2) is formed in one side wall of the shell (1), a first bearing (6) is arranged below the suction hole (2), a support shaft (23) is arranged in the first bearing (6), one end of the support shaft (23) is fixedly connected with the seed metering disc (19) and the seed stirring rod (17), a servo motor (3) is connected and arranged at the other end of the support shaft (23), a seed inlet hole (15) is formed in the other side wall of the shell (1), a second bearing (13) is arranged below the seed inlet hole (15), a support shaft is arranged in the second bearing (13), a seed blocking block (14) is arranged at one end of, seed blocking block (14) set up the outside of baffle (22) is hugged closely seed metering dish (19) set up, be equipped with dog (21) on the top inner wall of casing (1), be equipped with down sprue (7) on the bottom inner wall of casing (1), seed metering dish (8) will negative pressure chamber and positive pressure chamber are separated into to casing (1) inner chamber.
2. The air-aspiration type leakproof seeding device as claimed in claim 1, wherein: the shell (1) is of a left-right split structure and is tightened and combined through bolts in a shell flange.
3. The air-aspiration type leakproof seeding device as claimed in claim 1, wherein: the seed stirring rod (17) is composed of a plurality of rods, the seed stirring rods (17) are fixedly arranged on the outer circumference of the shaft end of the supporting shaft (23) at equal intervals, and the shaft end of the seed stirring rod (17) is fastened through a locking ring (16).
4. The air-aspiration type leakproof seeding device as claimed in claim 1, wherein: the seed suction holes (20) are arranged on the surface of the seed sowing plate (19) in an annular array, and the seed suction holes (20) consist of an inner ring and an outer ring.
5. The air-aspiration type leakproof seeding device as claimed in claim 1, wherein: the length of the seed stirring rod (17) is less than the radial distance of the inner ring, and a seed stirring bulge (18) is arranged on the outer side of the top end of the seed stirring rod (17).
6. The air-aspiration type leakproof seeding device as claimed in claim 1, wherein: the seed suction hole (20) is composed of a guide groove (20-1), a hole main body (20-2) and a suction port (20-3), the guide groove (20-1) and the hole main body (20-2) are connected to form a funnel structure, and the suction port (20-3) is arranged at the center of the bottom surface of the hole main body (20-2).
7. The air-aspiration type leakproof seeding device as claimed in claim 1, wherein: an inclined inner ring (10) is arranged in the shell (1), and a vibration exciter (9) is arranged at the bottom of the inclined inner ring (10).
8. The air-aspiration type leakproof seeding device as claimed in claim 1, wherein: the upper stop block (21) is arranged on the outer ring seed suction hole.
9. The air-aspiration type leakproof seeding device as claimed in claim 1, wherein: the upper edge of the lower plugging block (7) is arranged below the inner ring seed suction hole.
10. The air-aspiration type leakproof seeding device as claimed in claim 1, wherein: and bearing oil seal rings (5) are arranged on the outer sides of the first bearing (6) and the second bearing (13), oil seal ring attaching steps (5-1) are arranged on the bearing oil seal rings (5), and oil seal ring bonding openings (5-2) are formed in the bearing oil seal rings (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730959.6A CN111771478A (en) | 2020-07-27 | 2020-07-27 | Air-aspiration type leak-proof seeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730959.6A CN111771478A (en) | 2020-07-27 | 2020-07-27 | Air-aspiration type leak-proof seeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111771478A true CN111771478A (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010730959.6A Pending CN111771478A (en) | 2020-07-27 | 2020-07-27 | Air-aspiration type leak-proof seeding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111771478A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100890610B1 (en) * | 2008-05-22 | 2009-03-27 | 김성현 | Germination apparatus having circulation motor of magnetic levitation type |
| CN201430769Y (en) * | 2009-01-15 | 2010-03-31 | 顾春洪 | Suction-type double-row seed sowing device |
| CN102771232A (en) * | 2012-07-28 | 2012-11-14 | 西安远景智能控制有限公司 | Air-suction-type seed sowing device for seeding machine |
| CN102804955A (en) * | 2012-08-28 | 2012-12-05 | 葛俊峰 | Air suction type precision seeding apparatus |
| CN205755458U (en) * | 2016-06-29 | 2016-12-07 | 河北农业大学 | A kind of aspirated-air type discharge plate |
| CN108293372A (en) * | 2017-01-11 | 2018-07-20 | 四川农业大学 | A kind of aspirated-air type single-kernel seed-metering device |
| CN108770429A (en) * | 2018-06-28 | 2018-11-09 | 中国农业大学 | A kind of pneumatic transmission formula high speed seed of maize |
| CN109220094A (en) * | 2018-11-19 | 2019-01-18 | 张留兴 | A kind of precision seeding machine |
| CN208509563U (en) * | 2018-05-28 | 2019-02-19 | 黑龙江八一农垦大学 | A kind of paddy rice hole seeding air-suction seeding unit |
| CN110692323A (en) * | 2019-11-07 | 2020-01-17 | 青岛农业大学 | Air suction seed metering device and air suction dibbler |
-
2020
- 2020-07-27 CN CN202010730959.6A patent/CN111771478A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100890610B1 (en) * | 2008-05-22 | 2009-03-27 | 김성현 | Germination apparatus having circulation motor of magnetic levitation type |
| CN201430769Y (en) * | 2009-01-15 | 2010-03-31 | 顾春洪 | Suction-type double-row seed sowing device |
| CN102771232A (en) * | 2012-07-28 | 2012-11-14 | 西安远景智能控制有限公司 | Air-suction-type seed sowing device for seeding machine |
| CN102804955A (en) * | 2012-08-28 | 2012-12-05 | 葛俊峰 | Air suction type precision seeding apparatus |
| CN205755458U (en) * | 2016-06-29 | 2016-12-07 | 河北农业大学 | A kind of aspirated-air type discharge plate |
| CN108293372A (en) * | 2017-01-11 | 2018-07-20 | 四川农业大学 | A kind of aspirated-air type single-kernel seed-metering device |
| CN208509563U (en) * | 2018-05-28 | 2019-02-19 | 黑龙江八一农垦大学 | A kind of paddy rice hole seeding air-suction seeding unit |
| CN108770429A (en) * | 2018-06-28 | 2018-11-09 | 中国农业大学 | A kind of pneumatic transmission formula high speed seed of maize |
| CN109220094A (en) * | 2018-11-19 | 2019-01-18 | 张留兴 | A kind of precision seeding machine |
| CN110692323A (en) * | 2019-11-07 | 2020-01-17 | 青岛农业大学 | Air suction seed metering device and air suction dibbler |
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