CN110337865B - Air duct seed selection translational type accurate seeding device - Google Patents
Air duct seed selection translational type accurate seeding device Download PDFInfo
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- CN110337865B CN110337865B CN201910700508.5A CN201910700508A CN110337865B CN 110337865 B CN110337865 B CN 110337865B CN 201910700508 A CN201910700508 A CN 201910700508A CN 110337865 B CN110337865 B CN 110337865B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
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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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Abstract
The invention relates to an air duct seed selection translational type accurate seeding device, which comprises a seed selection mechanism, a seed filling mechanism and a seed filling-discharging mechanism; the seed selection mechanism comprises a seed cleaning component and a seed selection component; the seed filling mechanism comprises a mechanical translation driving mechanism fixedly connected with the side wall of the seed filling box, a translation sliding sheet structure is arranged on one side opposite to the mechanical translation driving mechanism, the translation sliding sheet mechanism comprises a U-shaped sliding groove and a supporting sliding sheet which are fixedly arranged, and one end of the supporting sliding sheet can slide in the U-shaped sliding groove; a lower connecting gear and an upper connecting gear are arranged on a power output shaft of the seed filling-discharging mechanism, the upper connecting gear is meshed with the upper rack frame, and the lower connecting gear is meshed with the lower rack frame; the small motor drives the upper cover plate and the lower bottom plate to reciprocate through the two rack frames respectively, so that seed filling and seed discharging are realized.
Description
Technical Field
The invention relates to a seeding device, in particular to an air duct seed selection translational type precise seeding device.
Background
Chinese patent document No. CN208987276U, published as 2019, 6 and 18 discloses a mechanical translation type single-seed precise sowing device for special-shaped seeds, which has the following technical problems:
1) in the seed selection link, the sorting box is of a circular structure, the hole distribution efficiency is low, the space is not fully utilized, and the problem that the seed supply of the sorting box to the seed filling box is insufficient can occur; the selected seeds need to remove impurities such as sand, dust and the like in advance, so that the workload is increased;
2) in the seed filling link, four eccentric wheel type structures are adopted to support a seed filling box, the requirement on the installation precision is high, if installation errors occur, because one of the four eccentric wheel type structures is a driving wheel and the other three eccentric wheel types are driven wheels, when the seed filling device works, the self-locking phenomenon is easy to occur, the reliability and the stability of the device are influenced, and the risk of breaking down in advance is caused; aiming at different seed requirements, if the rotating diameter of the seed filling box is adjusted by replacing the eccentric supports, the four eccentric supports need to be replaced simultaneously, so that the requirement on the installation precision is greatly increased;
3) in the link of seed filling and seed discharging, the upper cover plate and the lower bottom plate are reset completely by the reset spring, and the reliability is difficult to ensure.
Disclosure of Invention
The invention aims to provide an air duct seed selection translational type precise seeding device;
in the seed selection link: the sorting box is of a square structure, the distribution density of the holes is increased, the space is fully utilized, and the problem that the seeds are not sufficiently supplied to the seed filling box by the sorting box is solved; the funnel, the fan, the conveying pipe and the sorting box are matched for use, and the seed cleaning and selecting operation can be completed at one time so as to obtain seeds meeting the seeding requirement. After seeds are fed, the seeds are cleaned by air flow, light impurities such as dust and the like are removed, the light impurities flow into a sorting box through a conveying pipe, the seeds with the size suitable for the size of a seed filling box hole are selected and fall into a seed filling box, the use performance of the mechanism can be greatly improved through the cleaned and sorted seeds, and the phenomenon of shutdown treatment caused by impurity blockage is avoided;
in the seed filling link: the support sliding sheet is adopted to replace other three eccentric supports, so that the flatness is obviously improved, the high requirement on the installation precision is greatly reduced, the self-locking phenomenon can be avoided, and the reliability and the stability of the equipment are ensured; aiming at different seed requirements, only one eccentric support needs to be replaced, so that the requirement on the installation precision is greatly reduced, and meanwhile, the material is saved.
In the seed-filling and seed-discharging connection link: the cam mechanism is abandoned, the problem that the mechanism is unreliable due to the use of a return spring is avoided, the gear and rack structure is adopted to control the connection of seed filling and seed unloading, the whole course of the stroke of the upper cover plate and the lower bottom plate is controlled, the structure is more reliable, two gears are mutually matched to complete opposite strokes, and the structural design is ingenious.
The invention adopts the following technical scheme:
an air duct seed selection translational type precise seeding device comprises a seed selection mechanism, a seed filling mechanism and a seed filling-discharging mechanism; the seed selection mechanism comprises a seed cleaning component and a seed selection component; the funnel 1 of the seed cleaning component is arranged on the seed cleaning frame 5, the bottom of the funnel is provided with a guide groove, the seeding amount adjusting plate 2 is arranged in the guide groove, the fan 3 is arranged below the seeding amount adjusting plate 2, one end of the conveying pipe 6 is connected with the air outlet of the fan 3, and the other end of the conveying pipe extends to the upper part of the sorting component; the sorting component comprises a plurality of layers of stacked sorting boxes, and the sorting box at the bottommost layer is arranged above the seed filling mechanism; the seed filling mechanism comprises a mechanical translation driving mechanism fixedly connected with the side wall of the seed filling box 10, a translation sliding sheet structure is arranged on one side opposite to the mechanical translation driving mechanism, the translation sliding sheet structure comprises a U-shaped sliding groove and a supporting sliding sheet which are fixedly arranged, the supporting sliding sheet is horizontal, one end of the supporting sliding sheet is horizontally fixed on the side wall of the seed filling box 10, and the other end of the supporting sliding sheet can slide in the U-shaped sliding groove; the seed filling-discharging mechanism comprises a fixedly arranged small motor, a power output shaft of the small motor is horizontal, a lower connecting gear and an upper connecting gear are arranged on the power output shaft, the upper connecting gear is meshed with the upper rack frame, and the lower connecting gear is meshed with the lower rack frame; the upper rack frame is fixedly connected with the upper cover plate, and the lower rack frame is fixedly connected with the lower bottom plate; the upper connecting gear and the lower connecting gear are all non-full-tooth gears; the small motor drives the upper cover plate and the lower bottom plate to do reciprocating motion through the two rack frames respectively: when the upper engaging gear is meshed with the lower gear teeth of the upper rack frame, the lower engaging gear is meshed with the upper gear teeth of the lower rack frame, at the moment, the upper rack frame drives the upper cover plate to open the door, and the lower rack frame drives the lower bottom plate to close the door; when the gear teeth on the upper and lower connecting gears are not meshed with the upper and lower rack frames, the upper cover plate and the lower bottom plate keep relatively static; the small motor drives the upper connecting gear and the lower connecting gear to rotate after being started, when the upper connecting gear is meshed with the upper gear teeth of the upper rack frame, the lower connecting gear is meshed with the lower gear teeth of the lower rack frame, at the moment, the upper rack frame drives the upper cover plate to close the door, and the lower rack frame drives the lower bottom plate to open the door; this is a seed-fill-unload cycle.
Preferably, the driving motor 15 of the seed filling mechanism is mounted on the frame 16; the first gear 14 is installed on the driving motor 15, the second gear 13 is installed on the eccentric support 12 and is concentric with the main shaft of the eccentric support 12, the first gear 14 and the second gear 13 form a gear pair, and the driving motor 15 transmits power to the eccentric support 12; the eccentric support 12 is mounted on the frame 16; the eccentric support 12 supports the seed filling box 10 through a support frame 11 and a support sliding sheet 17; the frame bearing is fixedly connected with the frame 16, and the main shaft of the eccentric support 12 and the frame complete rotary motion through the frame bearing; the supporting bearing is fixedly connected with the supporting frame 11, and the eccentric shaft of the eccentric support 12 and the supporting frame 11 complete rotary motion through the supporting bearing; the support frame 11 is fixedly connected with the seed filling box 10; the supporting sliding sheet 17 is fixedly connected with the seed filling box 10; the supporting sliding sheet 17 does plane sliding movement in the gap corresponding to the U-shaped sliding groove and simultaneously plays a supporting role for the seed filling box.
Preferably, the sorting boxes stacked in a plurality of layers are all in a rectangular structure.
Preferably, the sorting boxes stacked in the plurality of layers comprise a first-stage sorting box 7, a second-stage sorting box 8 and a third-stage sorting box 9, wherein the screening fineness of the first-stage sorting box is gradually reduced; the size of a 7-shaped hole of the primary separation box is the same as that of a seed filling box hole, the size of an 8-shaped hole of the secondary separation box is smaller than that of the seed filling box hole, and a hole is not formed in the tertiary separation box 9; the secondary sorting box 8 is communicated with the sorting box.
Preferably, a baffle 4 is arranged between the funnel 1 and the delivery pipe 6.
Preferably, the upper cover plate 27 and the lower base plate 28 are respectively arranged in a horizontal sliding groove at the bottom of the seed filling box and slide along the respective horizontal sliding groove.
Preferably, a seed dropping platform 18 is arranged at the lower part of the seed filling box 10, and a plug tray 20 is arranged at the lower part of the seed dropping platform 18.
Preferably, for the low-density sowed seeds, the seed filling box 10 is not provided with a seed dropping platform at the lower part, and is directly provided with the plug 20.
The invention has the beneficial effects that:
1) in the seed selection link, the sorting box is of a square structure, the distribution density of the holes is increased, the space is fully utilized, and the problem that the seed supply of the sorting box to the seed filling box is insufficient is avoided; the funnel, the fan, the conveying pipe and the sorting box are matched for use, and the seed cleaning and selecting operation can be completed at one time so as to obtain seeds meeting the seeding requirement. After seeds are fed, cleaning is carried out through air flow, light impurities such as dust and the like are removed, the seeds flow into a sorting box through a conveying pipe, the seeds with the size suitable for the size of a seed filling box hole are selected and fall into a seed filling box, and the seed filling work is finished; the fan parameters are changed, and different sorting box type hole sizes are changed, so that the method can adapt to different seeds and different requirements for seed cleaning and seed selection; the use performance of the mechanism can be greatly improved by the cleaned and sorted seeds, and the phenomenon of shutdown treatment caused by impurity blockage is avoided; a baffle is arranged between the hopper and the conveying pipe, so that impurities generated in the seed cleaning link can be prevented from falling into the sorting box and the seed filling box; the lower part of the funnel is provided with a seeding quantity adjusting plate which can adjust the seeding quantity according to different seed sowing requirements;
2) in the seed filling link, the supporting sliding sheet is adopted to replace other three eccentric supports, so that the high requirement on the installation precision is greatly reduced, the self-locking phenomenon can be avoided, and the reliability and the stability of the equipment are ensured; aiming at different seed requirements, only one eccentric support needs to be replaced, so that the requirement on the installation precision is greatly reduced, and meanwhile, the material is saved;
3) in the link of seed filling and seed discharging, the cam mechanism is abandoned, the problem of unreliable mechanism caused by the use of a return spring is avoided, the gear and rack structure is adopted to control the connection of seed filling and seed discharging, the whole process of the stroke of the upper cover plate and the lower bottom plate is controlled, the structure is more reliable, two gears are mutually matched to complete opposite strokes, and the structural design is ingenious.
4) In a seed dropping link, aiming at seeds with larger hole size or needing low-density seeding, such as vegetable seeds, and the like, the second embodiment can be selected, the eccentric support with smaller eccentricity is selected to complete the low-amplitude and high-frequency seed charging process, after the seeds fall into the sieve holes of the lower bottom plate, the seeds are always in compound motion in the projection range of the hole size, when the upper cover plate is closed, the lower bottom plate is opened, the seeds fall into the hole freely, and the seeding process is completed; the second embodiment discards a seed dropping platform and a seed dropping rack structure, saves materials, reduces the installation difficulty, has a hole plate closer to the lower bottom plate, reduces the uncontrolled stroke of seeds, and avoids the seeds from flying out of the hole range due to too long initial speed and free falling body distance; the second embodiment also greatly shortens the distance between the hole tray and the lower bottom plate, so that the whole structure is more compact.
Drawings
FIG. 1 is a left side view of the air duct seed selection translational precision seeding device of the present invention.
FIG. 2 is a front view of the air duct seed selection translational precision seeding device of the present invention.
FIG. 3 is a top view of the air duct seed selection translational precision seeding device of the present invention.
FIG. 4 is a right side view of the air duct seed selection translational precision seeding device of the present invention.
FIG. 5 is a perspective view of the air duct seed selection translational precision seeding device of the present invention.
Fig. 6 is a partially enlarged view of a portion a in fig. 5.
Fig. 7 is a partially enlarged view of a portion B in fig. 5.
FIG. 8 is a left side view of the air duct seed selection translational precision seeding device in another embodiment of the present invention.
In the figure, 1 is a funnel, 2 is a seeding adjusting plate, 3 is a fan, 4 is a baffle, 5 is a seed cleaning frame, 6 is a conveying pipe, 7 is a primary sorting box, 8 is a secondary sorting box, 9 is a tertiary sorting box, 10 is a seed filling box, 11 is a supporting frame, 12 is an eccentric support, 13 is a gear II, 14 is a gear I, 15 is a driving motor, 16 is a rack, 17 is a supporting slip sheet, 18 is a seed dropping platform, 19 is a seed dropping rack, 20 is a hole disc, 21 is a supporting bearing, 22 is a rack bearing, 23 is a small motor, 24 is a small motor mounting plate, 25 is an upper rack frame, 26 is an upper connecting gear, 27 is an upper cover plate, 28 is a lower bottom plate, 29 is a lower rack frame, and 30 is a lower connecting gear.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
The first embodiment is as follows:
the seed selection mechanism part:
referring to fig. 1-4, the hopper 1 is mounted on a seed cleaning frame 5; the bottom end of the funnel 1 is provided with a guide groove, and the seeding quantity adjusting plate 2 is arranged in the guide groove at the bottom end of the funnel 1; the fan 3 is arranged on the seed cleaning frame 5; the baffle 4 is arranged on the seed cleaning frame 5; the conveying pipe 6 is arranged on the seed cleaning frame 5; the third-stage separation box 9 is arranged on the seed charging box 10; the secondary sorting box 8 is arranged on the tertiary sorting box 9; the primary separation box 7 is mounted on the secondary separation box 8.
The seed filling mechanism part:
referring to fig. 1-6, the drive motor 15 is mounted on a frame 16; the first gear 14 is arranged on the driving motor 15, the second gear 13 is arranged on the eccentric support 12 and is concentric with the main shaft of the eccentric support 12, and the first gear 14 and the second gear 13 form a gear pair for transmitting power to the eccentric support 12 for the driving motor 15; the eccentric support 12 is mounted on the frame 16; the eccentric support 12 supports the seed filling box 10 through a support frame 11 and a support sliding sheet 17; the frame bearing is fixedly connected with the frame 16, and the main shaft of the eccentric support 12 and the frame 16 complete rotary motion through the frame bearing; the supporting bearing is fixedly connected with the supporting frame 11, and the eccentric shaft of the eccentric support 12 and the supporting frame 11 complete rotary motion through the supporting bearing; the support frame 11 is fixedly connected with the seed filling box 10; the supporting sliding sheet 17 is fixedly connected with the seed charging box 10; the supporting slide sheet 17 makes plane sliding movement in the gap corresponding to the frame 16, and simultaneously plays a supporting role for the seed charging box 10.
The working process is as follows: starting a driving motor 15, transmitting power to an eccentric support 12 through meshing of a first gear 14 and a second gear 13, rotating the eccentric support 12, driving a seed filling box 10 to do horizontal circular rotary motion through a support frame 11 and a support sliding sheet 17, and meanwhile, simultaneously, enabling a first-stage second-stage third-stage sorting box to do horizontal circular rotary motion, so that seeds which accord with the size of a seed filling box type hole fall into the seed filling box 10 to complete sorting work; the population performs plane rotation movement in the seed filling box 10, and seeds according with the size of the profile hole on the bottom of the seed filling box fall into the profile hole to complete the seed filling work.
Seed filling-discharging mechanism part:
referring to fig. 1-5 and 7, and mainly referring to fig. 7, a small motor 23 is mounted on a small motor mounting plate 24, and the small motor mounting plate 24 is fixedly connected with a seed filling box 10; the upper rack frame 25 and the lower rack frame 29 are fixedly connected to the upper cover plate 27 and the lower bottom plate 28 respectively; the upper joining gear 26 and the lower joining gear 30 are installed on the small motor shaft; the upper cover plate 27 and the lower base plate 28 are arranged in the guide groove at the bottom of the seed filling box.
The working process is as follows: the small motor 23 drives the upper engaging gear 26 and the lower engaging gear 30 to rotate after being started, when the upper engaging gear 26 is meshed with the upper gear teeth of the upper rack frame 25, the lower engaging gear 30 is meshed with the lower gear teeth of the lower rack frame 29, at this time, the upper rack frame 25 drives the upper cover plate to close the door, the lower rack frame 29 drives the lower bottom plate 28 to open the door, when the gear teeth on the upper and lower engaging gears are not meshed with the upper and lower rack frames 29, the upper cover plate 27 and the lower bottom plate 28 are kept relatively static, when the upper engaging gear 26 is meshed with the lower gear teeth of the upper rack frame, the lower engaging gear 30 is meshed with the upper gear teeth of the lower rack frame 29, at this time, the upper rack frame 25 drives the upper cover plate 27 to open the door, and the lower rack frame 29 drives the lower bottom plate 28 to close the door, which is a seed charging-discharging engagement period; in a connection period, when the upper cover plate 27 is opened, the lower base plate 28 is closed, seeds fall into the seed filling box-shaped holes, when the upper cover plate 27 is closed, the lower base plate 28 is opened, the seeds fall into the lower base plate-shaped holes and fall into the hole trays 20 from the inner pipeline of the seed falling platform 18, and the seeding process is completed.
The seed dropping mechanism part:
the seed dropping frame is fixed on the frame; the seed dropping platform 18 is fixed on the seed dropping frame, and pipelines in the seed dropping platform 18 respectively correspond to the lower base plate type holes and the hole holes of the hole disc 20 one by one.
The working process is as follows: the seeds fall into the lower bottom plate type holes and fall to the hole tray 20 through the inner pipeline of the seed falling platform 18, and the seeding process is completed.
Example two:
the present embodiment is directed to seeds with larger hole size or low density sowing, such as vegetable seeds, and the present embodiment is different from the first embodiment in that: the seed falling frame and the seed falling platform are not arranged. Referring to fig. 7, a plug tray is directly arranged at the lower part of the seed filling box 10. Mainly aiming at low-density sowed seeds, such as vegetable seeds of cucumbers, tomatoes, hot peppers and the like, an eccentric support with a smaller eccentric distance is selected to finish a low-amplitude high-frequency seed filling process, after the seeds fall into a lower bottom plate sieve hole, compound motion is always performed in a projection range of a hole size, when an upper cover plate is closed, a lower bottom plate is opened, the seeds fall into the hole freely, and the sowing process is finished; as for the reciprocating linear motion of the door opening and closing mechanism of the upper and lower bottom plates of the seed charging box, reference can be made to the closest prior art cited in the background art.
The embodiment discards a seed dropping platform and a seed dropping rack structure, saves materials and reduces the installation difficulty; the distance between the hole tray and the lower bottom plate is short, so that the uncontrolled stroke of the seeds is reduced, and the seeds are prevented from flying out of the hole range due to the long initial speed and the long free falling distance; after the distance between the hole tray and the lower bottom plate is shortened, the whole structure is more compact.
The rest is the same as the first embodiment.
The above two embodiments are the preferred embodiments of the present invention, and those skilled in the art can make various changes or modifications based on the above embodiments without departing from the general concept of the present invention, and such changes or modifications should fall within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides an accurate seeder of air duct seed selection translational type which characterized in that:
comprises a seed selection mechanism, a seed filling mechanism and a seed filling-discharging mechanism;
the seed selection mechanism comprises a seed cleaning component and a seed selection component; the funnel (1) of the seed cleaning component is arranged on the seed cleaning frame (5), the bottom of the funnel is provided with a guide groove, the seeding amount adjusting plate (2) is arranged in the guide groove, the fan (3) is arranged below the seeding amount adjusting plate (2), one end of the conveying pipe (6) is connected with the air outlet of the fan (3), and the other end of the conveying pipe extends to the upper part of the sorting component; the sorting component comprises a plurality of layers of stacked sorting boxes, and the sorting box at the bottommost layer is arranged above the seed filling mechanism;
the seed filling mechanism comprises a mechanical translation driving mechanism fixedly connected with the side wall of the seed filling box (10), a translation sliding sheet structure is arranged on one side opposite to the mechanical translation driving mechanism, the translation sliding sheet structure comprises a fixedly arranged U-shaped sliding groove and a supporting sliding sheet, the supporting sliding sheet is horizontal, one end of the supporting sliding sheet is horizontally fixed on the side wall of the seed filling box (10), and the other end of the supporting sliding sheet can slide in the U-shaped sliding groove;
the seed filling-discharging mechanism comprises a fixedly arranged small motor, a power output shaft of the small motor is horizontal, a lower connecting gear and an upper connecting gear are arranged on the power output shaft, the upper connecting gear is meshed with the upper rack frame, and the lower connecting gear is meshed with the lower rack frame; the upper rack frame is fixedly connected with the upper cover plate, and the lower rack frame is fixedly connected with the lower bottom plate;
the upper connecting gear and the lower connecting gear are all non-full-tooth gears; the small motor drives the upper cover plate and the lower bottom plate to do reciprocating motion through the two rack frames respectively:
when the upper engaging gear is meshed with the lower gear teeth of the upper rack frame, the lower engaging gear is meshed with the upper gear teeth of the lower rack frame, at the moment, the upper rack frame drives the upper cover plate to open the door, and the lower rack frame drives the lower bottom plate to close the door;
when the gear teeth on the upper and lower connecting gears are not meshed with the upper and lower rack frames, the upper cover plate and the lower bottom plate keep relatively static;
the small motor drives the upper connecting gear and the lower connecting gear to rotate after being started, when the upper connecting gear is meshed with the upper gear teeth of the upper rack frame, the lower connecting gear is meshed with the lower gear teeth of the lower rack frame, at the moment, the upper rack frame drives the upper cover plate to close the door, and the lower rack frame drives the lower bottom plate to open the door;
this is a seed-filling-discharging engagement period;
a baffle (4) is arranged between the funnel (1) and the delivery pipe (6).
2. The air duct seed selection translational precision seeding device according to claim 1, characterized in that: a driving motor (15) of the seed filling mechanism is arranged on a rack (16); the first gear (14) is installed on the driving motor (15), the second gear (13) is installed on the eccentric support (12) and is concentric with a main shaft of the eccentric support (12), the first gear (14) and the second gear (13) form a gear pair, and the driving motor (15) transmits power to the eccentric support (12); the eccentric support (12) is arranged on the frame (16); the eccentric support (12) supports the seed charging box (10) through a support frame (11) and a support sliding sheet; the frame bearing is fixedly connected with the frame (16), and the main shaft of the eccentric support (12) and the frame complete rotary motion through the frame bearing; the supporting bearing is fixedly connected with the supporting frame (11), and the eccentric shaft of the eccentric support (12) and the supporting frame (11) complete rotary motion through the supporting bearing; the support frame (11) is fixedly connected with the seed filling box (10); the supporting sliding sheet is fixedly connected with the seed charging box (10); the supporting sliding sheet does plane sliding movement in a gap corresponding to the U-shaped sliding groove, and simultaneously plays a supporting role in the seed filling box.
3. The air duct seed selection translational precision seeding device according to claim 1, characterized in that: the sorting boxes which are stacked in a plurality of layers are all in a rectangular structure.
4. The air duct seed selection translational precision seeding device according to claim 1, characterized in that: the sorting boxes stacked in the layers comprise a primary sorting box (7) with the screening fineness gradually reduced, a secondary sorting box (8) and a tertiary sorting box (9); the hole size of the primary sorting box (7) is the same as that of the seed filling box, the hole size of the secondary sorting box (8) is smaller than that of the seed filling box, and the tertiary sorting box (9) is not provided with holes; the secondary sorting box (8) is communicated with the tertiary sorting box (9).
5. The air duct seed selection translational precision seeding device according to claim 1, characterized in that: the upper cover plate (27) and the lower base plate (28) are respectively arranged in the horizontal sliding grooves at the bottom of the seed charging box and slide along the respective horizontal sliding grooves.
6. The air duct seed selection translational precision seeding device according to claim 1, characterized in that: a seed dropping platform (18) is arranged at the lower part of the seed filling box (10), and a plug tray (20) is arranged at the lower part of the seed dropping platform (18).
7. The air duct seed selection translational precision seeding device according to claim 1, characterized in that: aiming at the seeds sowed in low density, the lower part of the seed filling box (10) is not provided with a seed dropping platform, and a hole tray (20) is directly arranged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700508.5A CN110337865B (en) | 2019-07-31 | 2019-07-31 | Air duct seed selection translational type accurate seeding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700508.5A CN110337865B (en) | 2019-07-31 | 2019-07-31 | Air duct seed selection translational type accurate seeding device |
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| CN110337865A CN110337865A (en) | 2019-10-18 |
| CN110337865B true CN110337865B (en) | 2021-06-08 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0833407A (en) * | 1994-07-22 | 1996-02-06 | Yanmar Agricult Equip Co Ltd | Seeding roll for flat seed |
| CN107876401A (en) * | 2017-11-06 | 2018-04-06 | 马鞍山市全润农业科技有限公司 | A kind of crop seeds processing unit |
| CN108934318A (en) * | 2018-09-25 | 2018-12-07 | 农业部南京农业机械化研究所 | The accurate seeding apparatus of mechanical flatly moving type abnormity seed simple grain |
| CN208494943U (en) * | 2018-05-31 | 2019-02-15 | 陕西惠福药业有限公司 | A kind of flexible screening machine of drug processing with anti-blockage function |
| CN109601079A (en) * | 2018-11-29 | 2019-04-12 | 华南农业大学 | A kind of bidirectional synchronous telescopic linkage mechanism of unidirectional drive |
-
2019
- 2019-07-31 CN CN201910700508.5A patent/CN110337865B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0833407A (en) * | 1994-07-22 | 1996-02-06 | Yanmar Agricult Equip Co Ltd | Seeding roll for flat seed |
| CN107876401A (en) * | 2017-11-06 | 2018-04-06 | 马鞍山市全润农业科技有限公司 | A kind of crop seeds processing unit |
| CN208494943U (en) * | 2018-05-31 | 2019-02-15 | 陕西惠福药业有限公司 | A kind of flexible screening machine of drug processing with anti-blockage function |
| CN108934318A (en) * | 2018-09-25 | 2018-12-07 | 农业部南京农业机械化研究所 | The accurate seeding apparatus of mechanical flatly moving type abnormity seed simple grain |
| CN109601079A (en) * | 2018-11-29 | 2019-04-12 | 华南农业大学 | A kind of bidirectional synchronous telescopic linkage mechanism of unidirectional drive |
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| CN110337865A (en) | 2019-10-18 |
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