CN204272643U - Negative pressure type precision seed sowing device - Google Patents
Negative pressure type precision seed sowing device Download PDFInfo
- Publication number
- CN204272643U CN204272643U CN201420601003.6U CN201420601003U CN204272643U CN 204272643 U CN204272643 U CN 204272643U CN 201420601003 U CN201420601003 U CN 201420601003U CN 204272643 U CN204272643 U CN 204272643U
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- negative pressure
- seed plate
- dynamic seed
- seed
- plate
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- 238000009331 sowing Methods 0.000 title claims description 10
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 238000010899 nucleation Methods 0.000 claims description 31
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000003079 width control Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 9
- 241000209140 Triticum Species 0.000 description 4
- 235000021307 Triticum Nutrition 0.000 description 4
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
A negative pressure type precision seed-metering device comprises a seed-metering device shell (5), a seed-filling height control plate (3), a seed blocking block (15), a seed falling and blockage removing sheet (6), a negative pressure pipe shaft (11), a movable seed-metering disc (1), (7), a movable seed-metering disc (2), (9), a static seed-metering disc (1), a fixed sleeve (10), flat-end seam control screws (12), an O-shaped sealing ring (17), a spring (4) and a boss (13), wherein the movable seed-metering disc (1), (7) and the movable seed-metering disc (2), (9) are connected through 3 flat-end seam control screws (12), a negative pressure chamber is formed inside, grooves with U-shaped cross sections are formed at the opposite positions of the outer edges and used for storing uniformly adsorbed and distributed seeds, the width of each groove is 4mm, a gap (16) is formed at the position of the outer edge towards the center of a circle, the seeds are adsorbed by negative pressure, and the width of each gap can, the movable seed metering disc 1 (7) is fixed with a negative pressure pipe shaft (11) through a fixed sleeve (10).
Description
Technical field
The utility model relates to the seeding unit in a kind of seeding machinery, particularly a kind of suction type precise seeder.
Background technology
At present, the seeding unit for crop seeding operation mainly contains mechanical type and pneumatic type two kinds.In China, Pneumatic seeding apparatus is mainly used in the program request such as seeding corn, soybean crop, and the seeding unit of drilling crop (as wheat) mostly is mechanical slot Type Seed Metering Device.There is the defects such as seeding pulsating nature is large, lack of homogeneity, stability are not high, seedling-damaging rate is high in mechanical seed sowing device, is difficult to the agriculture requirement reaching precision drilling.So design a kind of Pneumatic precision seed sowing device for drilling crop there is very important practical significance.
Summary of the invention
The utility model provides a kind of suction type precise seeder being applicable to sow the drilling crops such as wheat, and this seeding unit not only can realize the seeding of drilling essence amount, can also sow two row crops by a single seed sowing mechanism.
The utility model solves the technical scheme that its technical problem adopts: seeding unit by seeding unit shell, fill kind of a height control plate, screw is stitched in gear kind of a block, planting block clearing sheet, negative pressure tubular axis, dynamic seed plate 1, dynamic seed plate 2, quiet seed plate, fixed muffle, tack control, O-ring seals, spring, boss form.The inside, both sides of dynamic seed plate 2 is concavely formed half negative pressure chamber, and 3 blind holes are respectively processed in both sides, the inside, side that dynamic seed plate 1 is relative with dynamic seed plate 2 is concavely formed half negative pressure chamber, and 3 blind holes are processed in inside, and machining screw in blind hole, tack control seam screw one end machining screw, and be threaded connection with dynamic seed plate, the other end is inserted in the blind hole of dynamic seed plate 2.Dynamic seed plate 1 and dynamic seed plate 2 inside form Liang Ge negative pressure chamber, outer rim forms gap to 4mm place, direction, the center of circle, by negative-pressure adsorption seed, gap width controls by tack control seam screw, the outer rim opposite position of dynamic seed plate 1 and dynamic seed plate 2 forms the groove that cross section is " U " shape, for depositing the seed of being arranged by uniform adsorption, the width of groove is 4mm, and the degree of depth is 4mm.Dynamic seed plate 1 is connected with fixed muffle by screw, and fixed muffle is screwed on negative pressure tubular axis, and dynamic seed plate 1 endoporus inlays sealing ring, ensures the sealing of dynamic seed plate 1 and negative pressure tubular axis cooperation place.Negative pressure tubular axis and fixed muffle junction are through quiet seed plate centre bore, and quiet seed plate is connected with seeding unit shell by screw.The position that negative pressure tubular axis is in negative pressure chamber along the circumferential direction processes through hole, makes negative pressure chamber form a negative pressure cavity communicated with negative pressure tubular axis inner chamber.Fill kind of height control plate by being fixed on the stud of seeding unit shell upper, on stud, cover has spring, controls to fill moving up and down of kind of height control plate, and then realize the control being filled with seed height in seeding unit shell by rotating nut Compress Spring.Gear kind of a block is fixed on seeding unit outer casing underpart and presses close to dynamic seed plate place, for stopping seed, prevent seeds fall from flowing out, planting block clearing sheet one end is fixed on the boss in seeding unit shell, in the suction kind gap that the dynamic seed plate 1 of other end insertion and dynamic seed plate 2 are formed, for clear planting, by sowing port, seed is discharged, also remove the impurity in gap simultaneously, prevent blocking.
The beneficial effects of the utility model are: can realize the seeding of drilling crop essence amount, uniformity is good, stability is high, injuring-free seed, can also sow two row crops by a single seed sowing mechanism.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is assembly drawing and the structure chart of dynamic seed plate in the utility model.
In figure, quiet seed plate (1), stud (2), fill kind of a height control plate (3), spring (4), seeding unit shell (5), planting block clearing sheet (6), dynamic seed plate 1(7), pore (8), dynamic seed plate 2(9), fixed muffle (10), negative pressure tubular axis (11), tack control seam screw (12), boss (13), sowing port (14), gear kind of a block (15), gap (16), O-ring seals (17), " U " shape groove (18).
Embodiment
For a kind of suction type precise seeder structure composition reference accompanying drawing 1 of the drilling crop precision drilling such as wheat.Seeding unit by seeding unit shell (5), fill kind of a height control plate (3), gear kind of a block (15), planting block clearing sheet (6), negative pressure tubular axis (11), dynamic seed plate 1(7), dynamic seed plate 2(9), quiet seed plate (1), fixed muffle (10), tack control stitch screw (12), O-ring seals (17), spring (4), boss (13) form.Dynamic seed plate 2(9) inside, both sides be concavely formed half negative pressure chamber, and 3 blind holes are respectively processed in both sides, dynamic seed plate 1(7) with dynamic seed plate 2(9) relative inside, side is concavely formed half negative pressure chamber, and 3 blind holes are processed in inside, and machining screw in blind hole, tack control seam screw (12) one end machining screw, and with dynamic seed plate 1(7) be threaded connection, the other end is inserted into dynamic seed plate 2(9) blind hole in.Dynamic seed plate 1(7) and dynamic seed plate 2(9) inner formation Liang Ge negative pressure chamber, outer rim forms gap (16) to 4mm place, direction, the center of circle, and by negative-pressure adsorption seed, gap width controls by tack control seam screw (12).Dynamic seed plate 1(7) be connected with fixed muffle (10) by screw, fixed muffle (10) is screwed on negative pressure tubular axis (11), dynamic seed plate 1(7) endoporus inlays O-ring seals (17), ensures dynamic seed plate 1(7) with the sealing of negative pressure tubular axis (11) cooperation place.Negative pressure tubular axis (11) and fixed muffle (10) junction are through quiet seed plate (1) centre bore, and quiet seed plate (1) is connected with seeding unit shell (5) by screw.The position that negative pressure tubular axis (11) is in negative pressure chamber along the circumferential direction processes pore (8), makes negative pressure chamber form a negative pressure cavity communicated with negative pressure tubular axis (11) inner chamber.Fill kind of a height control plate (3) by being fixed on the stud (2) on seeding unit shell (5) top, on stud, cover has spring (4), control to fill moving up and down of kind of a height control plate (3) by rotating nut Compress Spring (4), and then realize the control being filled with seed height in seeding unit shell.Gear kind of a block (15) is fixed on seeding unit shell (5) bottom and presses close to dynamic seed plate place, for stopping seed, prevent seeds fall from flowing out, planting block clearing sheet (6) one end is fixed on the boss in seeding unit shell (5), the other end inserts dynamic seed plate 1(7) with dynamic seed plate 2(9) in the suction kind gap (16) that formed, for clear planting, by sowing port (14), seed is discharged, also remove the impurity in gap (16) simultaneously, prevent blocking.
Assembly drawing and dynamic seed plate 1(7 for seed plate dynamic in a kind of suction type precise seeder of the drilling crop such as wheat sowing) structure with reference to accompanying drawing 2, dynamic seed plate 1(7) and dynamic seed plate 2(9) be mounted opposite, dynamic seed plate 1(7) and dynamic seed plate 2(9) outer rim opposite position formation cross section be the groove of " U " shape, for depositing the seed of being arranged by uniform adsorption, the width of groove is 4mm, the degree of depth is 4mm, dynamic seed plate 1(7) and dynamic seed plate 2(9) outer rim to 4mm place, direction, center of circle formation gap (16), dynamic seed plate 1(7) central shaft hole circumferentially have groove, O-ring seals (17) is inlayed in groove, ensure the sealing in negative pressure chamber.
Claims (4)
1. a suction type precise seeder, by seeding unit shell (5), fill kind of a height control plate (3), gear kind of block (15), planting block clearing sheet (6), negative pressure tubular axis (11), dynamic seed plate 1(7), dynamic seed plate 2(9), quiet seed plate (1), fixed muffle (10), tack control seam screw (12), O-ring seals (17), spring (4), boss (13) forms, it is characterized in that: dynamic seed plate 2(9) inside, both sides be concavely formed half negative pressure chamber, and 3 blind holes are respectively processed in both sides, dynamic seed plate 1(7) with dynamic seed plate 2(9) relative inside, side is concavely formed half negative pressure chamber, and 3 blind holes are processed in inside, and machining screw in blind hole, tack control seam screw (12) one end machining screw, and with dynamic seed plate 1(7) be threaded connection, the other end is inserted into dynamic seed plate 2(9) blind hole in, dynamic seed plate 1(7) and dynamic seed plate 2(9) inner formation Liang Ge negative pressure chamber, dynamic seed plate 1(7) be connected with fixed muffle (10) by screw, fixed muffle (10) is screwed on negative pressure tubular axis (11), dynamic seed plate 1(7) endoporus inlays O-ring seals (17), ensure dynamic seed plate 1(7) with the sealing of negative pressure tubular axis (11) cooperation place, negative pressure tubular axis (11) and fixed muffle (10) junction are through quiet seed plate (1) centre bore, quiet seed plate (1) is connected with seeding unit shell (5) by screw, the position that negative pressure tubular axis (11) is in negative pressure chamber along the circumferential direction processes pore (8), negative pressure chamber is made to form a negative pressure cavity communicated with negative pressure tubular axis (11) inner chamber, gear kind of a block (15) is fixed on seeding unit shell (5) bottom and presses close to dynamic seed plate place, for stopping seed, prevent seeds fall from flowing out, planting block clearing sheet (6) one end is fixed on the boss in seeding unit shell (5), the other end inserts dynamic seed plate 1(7) with dynamic seed plate 2(9) in the suction kind gap (16) that formed, for clear planting, by sowing port (14), seed is discharged, also remove the impurity in gap (16) simultaneously, prevent blocking.
2. suction type precise seeder according to claim 1, it is characterized in that: fill kind of a height control plate (3) by being fixed on the stud (2) on seeding unit shell (5) top, on stud, cover has spring (4), controls to fill moving up and down of kind of a height control plate (3) by rotating nut Compress Spring (4).
3. suction type precise seeder according to claim 1, it is characterized in that: dynamic seed plate 1(7) and dynamic seed plate 2(9) outer rim to 4mm place, direction, center of circle formation gap (16), by negative-pressure adsorption seed, gap width controls by tack control seam screw (12).
4. suction type precise seeder according to claim 1, it is characterized in that: dynamic seed plate 1(7) and dynamic seed plate 2(9) outer rim opposite position formation cross section be the groove of " U " shape, for depositing the seed of being arranged by uniform adsorption, the width of groove is 4mm, and the degree of depth is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420601003.6U CN204272643U (en) | 2014-10-17 | 2014-10-17 | Negative pressure type precision seed sowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420601003.6U CN204272643U (en) | 2014-10-17 | 2014-10-17 | Negative pressure type precision seed sowing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204272643U true CN204272643U (en) | 2015-04-22 |
Family
ID=52855865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420601003.6U Withdrawn - After Issue CN204272643U (en) | 2014-10-17 | 2014-10-17 | Negative pressure type precision seed sowing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204272643U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285560A (en) * | 2014-10-17 | 2015-01-21 | 河北农业大学 | Negative pressure type precision seed sowing device |
| CN105766158A (en) * | 2016-04-20 | 2016-07-20 | 吉林大学 | Front-side seed-filling precise seed-metering device |
| CN107155458A (en) * | 2017-06-14 | 2017-09-15 | 河北农业大学 | Air-suction type precision seeder |
| CN108093779A (en) * | 2017-10-30 | 2018-06-01 | 中国农业大学 | Sound piece differential speed type single-grain precision seeding apparatus |
-
2014
- 2014-10-17 CN CN201420601003.6U patent/CN204272643U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285560A (en) * | 2014-10-17 | 2015-01-21 | 河北农业大学 | Negative pressure type precision seed sowing device |
| CN104285560B (en) * | 2014-10-17 | 2016-02-03 | 河北农业大学 | Negative pressure type precision seed sowing device |
| CN105766158A (en) * | 2016-04-20 | 2016-07-20 | 吉林大学 | Front-side seed-filling precise seed-metering device |
| CN105766158B (en) * | 2016-04-20 | 2017-09-12 | 吉林大学 | Kind of a precise seeder is filled in a kind of front |
| CN107155458A (en) * | 2017-06-14 | 2017-09-15 | 河北农业大学 | Air-suction type precision seeder |
| CN107155458B (en) * | 2017-06-14 | 2019-12-03 | 河北农业大学 | Air-suction type precision seeder |
| CN108093779A (en) * | 2017-10-30 | 2018-06-01 | 中国农业大学 | Sound piece differential speed type single-grain precision seeding apparatus |
| CN108093779B (en) * | 2017-10-30 | 2019-07-30 | 中国农业大学 | Sound piece differential speed type single-grain precision seeding apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |