CN112715105A - Single-air-chamber double-chamber pneumatic seed sowing device - Google Patents
Single-air-chamber double-chamber pneumatic seed sowing device Download PDFInfo
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- CN112715105A CN112715105A CN202110002078.7A CN202110002078A CN112715105A CN 112715105 A CN112715105 A CN 112715105A CN 202110002078 A CN202110002078 A CN 202110002078A CN 112715105 A CN112715105 A CN 112715105A
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- seed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
- A01C7/081—Seeders depositing seeds in rows using pneumatic means
- A01C7/082—Ducts, distribution pipes or details thereof for pneumatic seeders
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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Abstract
The invention discloses a single-air-chamber double-chamber pneumatic seed sowing device which comprises a seed placing box, wherein a seed transmission guide shell is arranged at the bottom end of the seed placing box, one end of the seed transmission guide shell is connected with a seed sowing shell chamber, an arc-shaped partition plate is arranged at one end edge of the inner wall of the seed sowing shell chamber, a seed sowing guide groove is formed at the bottom end of the seed sowing shell chamber, and a seed cleaning brush is arranged at one end edge of the inner wall of the seed sowing shell chamber, close to the seed sowing guide groove. The seed sowing device is provided with a structure of a single air chamber, two chambers and a double-seed suction disc, when the seed sowing device is used, the negative pressure port is connected with an external negative pressure pipe, the interior of a flow passage of the negative pressure air chamber can be in a negative pressure state, a seed adsorption hole of the seed suction disc at the flow passage of the negative pressure air chamber adsorbs seeds, the seeds adsorbed by the seed adsorption hole can move from the flow passage of the negative pressure air chamber to the flow passage of the positive pressure air chamber by rotating the seed suction disc, and the seeds naturally fall under the action of gravity after being separated from the negative pressure state, so that the sowing of the seeds is realized.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a single-air-chamber double-chamber pneumatic seed sowing device.
Background
The seeding apparatus and the disseminator are planting machinery which takes crops and seeds as seeding objects, the disseminator has the characteristics of uniform seeding, consistent depth, stable row spacing, good covering soil, seed saving, high working efficiency and the like, the precision seeding apparatus with adjustable seeding quantity is a key technology in the field of seeding, and has the function of dividing seeds in a seed storage box or a seed storage chamber into different seeding quantities for timed discharging, the characteristics and the working performance of the precision seeding apparatus directly influence the seeding quality, the existing seeding apparatus is mainly divided into a mechanical type and a pneumatic type, the mechanical type seeding apparatus mostly adopts a hole type seeding apparatus or a groove wheel type seeding apparatus, the seed filling quantity is random, precision seeding cannot be formed, and the pneumatic type seeding apparatus adopts a mode of mutually combining machinery and air flow for seeding, and has higher precision;
the existing pneumatic seed sowing device is mostly a single-cavity single-seed sowing disc, although the seed suction precision is high, the sowing quantity can not be adjusted, and the precision sowing with adjustable sowing quantity can not be realized.
Disclosure of Invention
In order to overcome the above-mentioned defects of the prior art, the embodiment of the invention provides a single-air chamber and double-chamber pneumatic seed sowing device, the seed sowing device is provided with a structure of a single-air chamber, a double-chamber and a double-seed suction plate, when in use, the negative pressure interface is connected with an external negative pressure pipe, the inside of a flow passage of a negative pressure air chamber can be in a negative pressure state, a seed adsorption hole of the seed suction plate at the flow passage of the negative pressure air chamber adsorbs seeds, a movable seed sowing rotating shaft of the seed sowing device is connected with an external motor, the rotating difficulty of the seed suction plate can be reduced, the seeds adsorbed by the seed adsorption hole can move from the flow passage of the negative pressure air chamber to the flow passage of a positive pressure air chamber by rotating the seed suction plate, the seeds naturally fall under the action of gravity after the seeds are separated from the negative pressure state, the sowing of the seeds is realized, the two seed, when carrying out synchronous rotation between two seed suction discs, the seed that two seed suction discs set up adsorbs the hole and falls kind in step, and the seeding precision is the grain this moment, when carrying out asynchronous rotation between two seed suction discs, and the seeding precision is the grain this moment, and time interval is by outside motor control, through using the pipe of reseeding, can change single-line seeding into double-line seeding, through adjusting seeding volume and the seeding line number, can improve the performance of disseminator to the problem of proposing in solving above-mentioned background art.
In order to achieve the purpose, the invention provides the following technical scheme: a single-air-chamber double-chamber pneumatic seed sowing device comprises a seed placing box, wherein a seed transmission guide shell is installed at the bottom end of the seed placing box, one end of the seed transmission guide shell is connected with a seed sowing shell chamber, an arc-shaped partition plate is arranged at one end edge of an indoor wall of the seed sowing shell, a seed sowing guide groove is formed at the bottom end of the seed sowing shell chamber, a seed cleaning brush is installed at one end edge of the indoor wall of the seed sowing shell close to the seed sowing guide groove, a seed unloading and cleaning stop block is installed at one end edge of the indoor wall of the seed sowing shell close to the seed cleaning brush, a seed feeding guide hole is formed at one end edge of the indoor wall of the seed sowing shell far away from the arc-shaped partition plate, a limit rotating shaft hole is formed in the middle part of one end of the indoor wall of the seed sowing shell chamber, a protection stop block is arranged at the position close to the limit rotating shaft hole, a seed, the utility model discloses a seed metering device, including seed metering movable flange, positive pressure air chamber runner, negative pressure air chamber runner, seed metering pipe bottom, seed suction pipe.
In a preferred embodiment, the number of the seed shell chambers is two, the two seed shell chambers are symmetrically arranged, and the air suction shell is positioned between the two seed shell chambers.
In a preferred embodiment, the inner diameter of the limiting rotating shaft hole is the same as the diameter of the seeding movable rotating shaft, and the seeding movable rotating shaft penetrates through the limiting rotating shaft hole.
In a preferred embodiment, the number of the seeding movable rotating shafts and the number of the seeding movable flanges are two, the adjacent seeding movable rotating shafts and the seeding movable flanges form a group, and the seed suction disc and the seeding movable rotating shafts are connected through the seeding movable flanges.
In a preferred embodiment, the seed discharging conduit is a plastic hose, and a separation block is arranged in the middle of the top end of the seed discharging conduit.
In a preferred embodiment, the number of the seed suction discs is two in total, two seed suction discs are positioned at two ends of the air suction shell, and the diameter of the two seed suction discs is the same as the inner diameter of the air suction shell at two sides.
In a preferred embodiment, the positive pressure interface is communicated with a positive pressure air chamber flow passage, the negative pressure interface is communicated with a negative pressure air chamber flow passage, and the negative pressure interface is connected with an external negative pressure pipe.
In a preferred embodiment, one end of each of the two seeding movable rotating shafts is connected with an external motor, and the rotating speed of the seeding movable rotating shafts is controlled by the external motor.
In a preferred embodiment, the number of seed cleaning brushes is two in total, and the two seed cleaning brushes are symmetrically arranged.
In a preferred embodiment, the two seed discharge housing chambers and the air suction housing are mounted on top of a seed discharge duct, which is provided with openings on both sides.
The invention has the technical effects and advantages that:
1. this disseminator sets up to the structure of single air chamber, two room and double suction seed dish, when using, through with the outside negative pressure pipe of negative pressure interface connection, can make negative pressure air chamber runner inside be in the negative pressure state, the seed absorption pore that the seed dish is in negative pressure air chamber runner department adsorbs the seed, through connecting the external motor with seed metering movable rotating shaft, can reduce the rotation degree of difficulty of seed dish of inhaling, through rotating the seed dish of inhaling, can make the adsorbed seed of seed absorption pore remove to positive pressure air chamber runner from negative pressure air chamber runner, the seed is after breaking away from the negative pressure state, under the action of gravity, the seed falls naturally, realize the seeding of seed.
2. Through using the seed cleaning brush, can clear up adsorbed seed and debris on the seed suction disc, can guarantee the whereabouts of seed on the one hand, on the other hand can clear up seed adsorption hole department, avoid the jam to appear in seed adsorption hole department, the reuse of the seed suction disc of being convenient for, through using the seed unloading clearance dog, can seal the seed metering shell room on the one hand, the use of the seed metering shell room of being convenient for, on the other hand can reduce the discharge degree of difficulty of the inside remaining seed of seed metering shell room, the staff of being convenient for is to the recovery of the inside seed of seed metering shell room.
3. Through adjusting the rotation to two seed suction discs, can make two seed suction discs between carry out synchronous and asynchronous rotation, when carrying out synchronous rotation between two seed suction discs, the seed that two seed suction discs set up adsorbs the hole and falls kind in step, the seeding precision is the grain this moment, when carrying out asynchronous rotation between two seed suction discs, the seeding precision is the grain this moment, the time interval is controlled by outside motor, through using the pipe of planting a kind, can change single-row seeding into double-row seeding, through adjusting seeding volume and the seeding line number, can improve the performance of disseminator.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
FIG. 3 is a schematic view of the installation structure of the seed cleaning brush of the present invention.
Fig. 4 is a schematic structural view of a limiting rotating shaft hole of the invention.
FIG. 5 is a schematic view of the mounting structure of the seed suction disc of the present invention.
FIG. 6 is a schematic view of the structure of the flow channel of the positive pressure chamber of the present invention.
FIG. 7 is a schematic view of the seed-separating conduit of the present invention.
The reference signs are: 1. a seed placement box; 2. seed transmission guide shell; 3. a seed shell chamber; 4. an arc-shaped partition plate; 5. a seed discharge guide groove; 6. cleaning the seed brush; 7. unloading seeds and cleaning the stop block; 8. a seed inlet guide hole; 9. A limiting rotating shaft hole; 10. a protective stop block; 11. a movable seeding rotating shaft; 12. a movable seeding flange; 13. an air-breathing shell; 14. seed sucking; 15. a positive pressure gas chamber flow passage; 16. a positive pressure interface; 17. a negative pressure air chamber flow channel; 18. a negative pressure interface; 19. a seed discharge duct; 20. a seed separating conduit; 21. and (5) adsorbing the seeds.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the attached figures 1-7, the single-air chamber double-chamber pneumatic seed sowing device comprises a seed placing box 1, a seed transmission guide shell 2 is arranged at the bottom end of the seed placing box 1, one end of the seed transmission guide shell 2 is connected with a seed sowing shell chamber 3, an arc-shaped partition plate 4 is arranged at one end edge part of the inner wall of the seed sowing shell chamber 3, a seed sowing guide groove 5 is arranged at the bottom end of the seed sowing shell chamber 3, a seed cleaning brush 6 is arranged at one end edge part of the inner wall of the seed sowing shell chamber 3 close to the seed cleaning brush 6, a seed unloading cleaning stop block 7 is arranged at one end edge part of the inner wall of the seed sowing shell chamber 3 close to the arc-shaped partition plate 4, a seed feeding guide hole 8 is arranged at one end edge part of the inner wall of the seed sowing shell chamber 3, a limit rotating shaft 9 is arranged at the middle part of one end of the inner wall of the seed sowing shell chamber 3 close to the limit, a seed discharging movable flange 12 is arranged on one side edge portion of the outer surface of the seed discharging movable rotating shaft 11, an air suction shell 13 is arranged on the outer surface of the seed discharging movable flange 12, seed suction discs 14 are arranged at two ends of the seed discharging movable flange 12, seed suction holes 21 are formed in the edge portion of one end of each seed suction disc 14 at equal intervals, a positive pressure air chamber flow passage 15 is arranged at the bottom of one side of the inner wall of the air suction shell 13, a positive pressure connector 16 is arranged at the bottom of the outer surface of the air suction shell 13 close to the positive pressure air chamber flow passage 15, a negative pressure air chamber flow passage 17 is arranged at the top of one side of the inner wall of the air suction shell 13, a negative pressure connector 18 is arranged at the top of the outer surface of the air suction.
The number of the seed discharging shell chambers 3 is two totally, the two seed discharging shell chambers 3 are symmetrically arranged, and the air suction shell 13 is positioned between the two seed discharging shell chambers 3, so that the assembling difficulty of the seed discharging device can be reduced, and the production and the processing of the seed discharging device are convenient.
The inner diameter of the limiting rotating shaft hole 9 is the same as the diameter of the seeding movable rotating shaft 11, and the seeding movable rotating shaft 11 penetrates through the limiting rotating shaft hole 9, so that the seeding movable rotating shaft 11 can be limited, and the seeding movable rotating shaft 11 can be conveniently used.
The number of the seed sowing movable rotating shafts 11 and the number of the seed sowing movable flanges 12 are two, the adjacent seed sowing movable rotating shafts 11 and the adjacent seed sowing movable flanges 12 form a group, the seed suction discs 14 are connected with the seed sowing movable rotating shafts 11 through the seed sowing movable flanges 12, and synchronous and asynchronous rotation between the two seed suction discs 14 can be realized by performing synchronous and asynchronous rotation between the two seed sowing movable rotating shafts 11, so that a worker can conveniently sow.
The seed metering conduit 19 is a plastic hose, and the middle part of the top end of the seed metering conduit 19 is provided with a separating block, so that seeds discharged by the seed metering device can be divided, single-row sowing is changed into double-row sowing, and the use performance of the seed metering device is improved.
The number of the seed suction discs 14 is two totally, the two seed suction discs 14 are positioned at two ends of the air suction shell 13, the diameter of the two seed suction discs 14 is the same as the inner diameter of two sides of the air suction shell 13, the two seed suction discs 14 are movably connected with the air suction shell 13, so that the seed suction discs 14 can be more closely connected with the air suction shell 13, a negative pressure air chamber flow passage 17 and a positive pressure air chamber flow passage 15 can be conveniently formed and used, the rotation difficulty of the seed suction discs 14 can be reduced, and the use of the seed suction discs 14 is facilitated.
The positive pressure interface 16 is communicated with a positive pressure air chamber flow passage 15, the negative pressure interface 18 is communicated with a negative pressure air chamber flow passage 17, and the negative pressure interface 18 is connected with an external negative pressure pipe, so that the forming difficulty of the negative pressure air chamber flow passage 17 can be reduced, and the use of the seed sowing device by workers is facilitated.
One ends of the two seeding movable rotating shafts 11 are connected with an external motor, and the rotating speed of the seeding movable rotating shafts 11 is controlled by the external motor, so that the difficulty of synchronous and asynchronous rotation between the two seeding movable rotating shafts 11 can be reduced, and the seeding quantity can be conveniently adjusted by workers.
The quantity of the seed cleaning brush 6 is two totally, and two seed cleaning brushes 6 are symmetrically installed, so that the falling difficulty of the adsorbed seeds can be reduced through using the seed cleaning brushes 6, the seed adsorption holes 21 can be cleaned, and the use performance of the seed adsorption holes 21 can be ensured through cleaning the impurities adsorbed in the seed adsorption holes 21.
The two seed discharging shell chambers 3 and the air suction shell 13 are both arranged at the top of the seed discharging conduit 19, and openings are arranged at both sides of the seed discharging conduit 19, so that the bottom of the seed discharging shell chamber 3 is in a positive pressure state, the seeds can fall and be sown conveniently, and the discharging difficulty of impurities can be reduced.
The working principle of the invention is as follows: the worker installs the motor on the seed sowing movable rotating shaft 11 at the two sides of the seed sowing device, and connects the negative pressure interface 18 with the external negative pressure air pipe, so that the inside of the negative pressure air chamber flow passage 17 is in a negative pressure state, the worker pours seeds into the seed placing box 1, under the action of gravity, the seeds enter the inside of the seed conveying guide shell 2 and enter the inside of the seed sowing shell chamber 3 along the seed conveying guide shell 2, the internal space of the seed sowing shell chamber 3 can be separated through the arc-shaped partition plate 4, so that the seeds are accumulated at one side inside the seed sowing shell chamber 3, when the seed adsorption hole 21 formed on the seed suction disc 14 is positioned at the negative pressure air chamber flow passage 17, the seeds at one side inside the seed sowing shell chamber 3 can be adsorbed, the motor works to drive the seed sowing movable rotating shaft 11 to rotate, the seed sowing movable rotating shaft 11 rotates to drive the seed suction disc 14 to rotate, the seed suction disc 14, the seeds adsorbed by the seed adsorption holes 21 move from the negative pressure air chamber flow passage 17 to the positive pressure air chamber flow passage 15, when the adsorbed seeds are positioned at the positive pressure air chamber flow passage 15, the seeds fall into the seed discharging guide pipe 19 under the action of gravity, the seeds which do not fall from the seed adsorption holes 21 continue to rotate and contact the seed cleaning brushes 6, the seeds fall into the seed discharging guide pipe 19 after being cleaned by the seed cleaning brushes 6, the seeds which fall into the seed discharging guide pipe 19 enter the seed separating guide pipe 20 under the action of gravity, and fall onto the ground along the seed separating guide pipe 20 for seeding, and after the seeding is finished, a worker takes out the seed unloading cleaning stop block 7 from the inside of the seed discharging shell chamber 3 to recover the residual seeds in the seed discharging shell chamber 3;
the seeder is provided with a structure of a single air chamber, a double air chamber and a double seed suction disc 14, when the seeder is used, the negative pressure port 18 is connected with an external negative pressure pipe, the inside of a negative pressure air chamber flow passage 17 can be in a negative pressure state, the seed suction disc 14 is arranged at a seed adsorption hole 21 of the negative pressure air chamber flow passage 17 to adsorb seeds, the seed discharging movable rotating shaft 11 is connected with an external motor, the rotation difficulty of the seed suction disc 14 can be reduced, the seeds adsorbed by the seed adsorption hole 21 can move from the negative pressure air chamber flow passage 17 to a positive pressure air chamber flow passage 15 by rotating the seed suction disc 14, and the seeds naturally fall under the action of gravity after being separated from the negative pressure state, so that the seeding of the seeds is realized;
by using the seed cleaning brush 6, the seeds and sundries adsorbed on the seed suction plate 14 can be cleaned, so that the falling of the seeds can be ensured on one hand, the seed adsorption holes 21 can be cleaned on the other hand, the blockage of the seed adsorption holes 21 is avoided, the reuse of the seed suction plate 14 is facilitated, and by using the seed unloading cleaning baffle 7, the seed discharging shell chamber 3 can be sealed on the one hand, the use of the seed discharging shell chamber 3 is facilitated, the discharging difficulty of the residual seeds in the seed discharging shell chamber 3 can be reduced on the other hand, and the recovery of the seeds in the seed discharging shell chamber 3 by workers is facilitated;
through adjusting two rotation to two seed suction disc 14, can make two seed suction disc 14 between carry out synchronous and asynchronous rotation, when carrying out synchronous rotation between two seed suction disc 14, the seed that two seed suction disc 14 set up adsorbs the hole 21 and falls kind in step, the seeding precision is 4 this moment, when carrying out asynchronous rotation between two seed suction disc 14, the seeding precision is 2 this moment, the time interval is controlled by outside motor, through using kind of a seed separating pipe 20, can change single-row seeding into double-row seeding, through adjusting seeding quantity and the seeding line number, can improve disseminator's performance.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a two room pneumatic seed metering wares of single air chamber, includes that the seed places case (1), its characterized in that: the seed discharging device is characterized in that a seed transmission guide shell (2) is installed at the bottom end of the seed placing box (1), one end of the seed transmission guide shell (2) is connected with a seed discharging shell chamber (3), an arc-shaped partition plate (4) is arranged at one end edge of the inner wall of the seed discharging shell chamber (3), a seed discharging guide groove (5) is formed in the bottom end of the seed discharging shell chamber (3), a seed cleaning brush (6) is installed at one end edge of the inner wall of the seed discharging shell chamber (3) close to the seed discharging guide groove (5), a seed discharging cleaning stop block (7) is installed at one end edge of the inner wall of the seed discharging shell chamber (3) close to the seed cleaning brush (6), a seed feeding guide hole (8) is formed in the position of the edge of the inner wall of the seed discharging shell chamber (3) far away from the arc-shaped partition plate (4), a limiting rotating shaft hole (9) is formed in the middle part of one end of the inner wall of the seed, the utility model discloses a seed metering device, including spacing pivot hole (9), seed metering movable shaft (11), seed metering movable flange (12) are installed to seed metering movable shaft hole (9) internally mounted, seed metering movable flange (11) surface one side limit portion, seed metering movable flange (12) surface mounting has air suction casing (13), seed suction disc (14) are all installed at seed metering movable flange (12) both ends, seed suction disc (14) one end limit portion equidistance has been seted up seed adsorption hole (21), air suction casing (13) inner wall one side bottom is provided with positive pressure air chamber runner (15), air suction casing (13) surface bottom is close to positive pressure air chamber runner (15) department and installs malleation interface (16), air suction casing (13) inner wall one side top is provided with negative pressure air chamber runner (17), air suction casing (13) surface top is close to negative pressure air chamber runner (17) department and is provided with negative pressure interface (, a seed discharging guide pipe (19) is arranged at the bottom end of the seed discharging shell chamber (3), and a seed distributing guide pipe (20) is arranged at the bottom end of the seed discharging guide pipe (19).
2. The single-air-chamber double-chamber pneumatic seed sowing device of claim 1, wherein: the number of the seed discharging shell chambers (3) is two in total, the two seed discharging shell chambers (3) are symmetrically arranged, and the air suction shell (13) is positioned between the two seed discharging shell chambers (3).
3. The single-air-chamber double-chamber pneumatic seed sowing device of claim 1, wherein: the inner diameter of the limiting rotating shaft hole (9) is the same as the diameter of the seeding movable rotating shaft (11), and the seeding movable rotating shaft (11) penetrates through the limiting rotating shaft hole (9).
4. The single-air-chamber double-chamber pneumatic seed sowing device of claim 1, wherein: the seed metering device is characterized in that the number of the seed metering movable rotating shafts (11) and the number of the seed metering movable flanges (12) are two, the adjacent seed metering movable rotating shafts (11) and the seed metering movable flanges (12) form a group, and the seed suction disc (14) and the seed metering movable rotating shafts (11) are connected through the seed metering movable flanges (12).
5. The single-air-chamber double-chamber pneumatic seed sowing device of claim 1, wherein: the seed sowing duct (19) is a plastic hose, and a separation block is arranged in the middle of the top end of the seed sowing duct (19).
6. The single-air-chamber double-chamber pneumatic seed sowing device of claim 1, wherein: the number of the seed suction discs (14) is two in total, the two seed suction discs (14) are positioned at two ends of the air suction shell (13), and the diameter of the two seed suction discs (14) is the same as the inner diameter of two sides of the air suction shell (13).
7. The single-air-chamber double-chamber pneumatic seed sowing device of claim 1, wherein: the positive pressure interface (16) is communicated with a positive pressure air chamber flow passage (15), the negative pressure interface (18) is communicated with a negative pressure air chamber flow passage (17), and the negative pressure interface (18) is connected with an external negative pressure pipe.
8. The single-air-chamber double-chamber pneumatic seed sowing device of claim 4, wherein: one end of each seed sowing movable rotating shaft (11) is connected with an external motor, and the rotating speed of each seed sowing movable rotating shaft (11) is controlled by the external motor.
9. The single-air-chamber double-chamber pneumatic seed sowing device of claim 1, wherein: the number of the seed cleaning brushes (6) is two in total, and the two seed cleaning brushes (6) are symmetrically arranged.
10. The single-air-chamber double-chamber pneumatic seed sowing device of claim 2, wherein: the two seed discharging shell chambers (3) and the air suction shell (13) are both arranged at the top of the seed discharging conduit (19), and openings are arranged on both sides of the seed discharging conduit (19).
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| CN202110002078.7A CN112715105B (en) | 2021-01-04 | 2021-01-04 | Single-air-chamber double-chamber pneumatic seed sowing device |
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| CN202110002078.7A CN112715105B (en) | 2021-01-04 | 2021-01-04 | Single-air-chamber double-chamber pneumatic seed sowing device |
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| CN112715105B CN112715105B (en) | 2022-05-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113196917A (en) * | 2021-05-31 | 2021-08-03 | 安徽农业大学 | Sub-guiding combined seed guiding device |
| CN113317008A (en) * | 2021-06-23 | 2021-08-31 | 浙江理工大学 | Pneumatic oscillating quantitative seed sowing device and quantitative seed sowing method thereof |
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| CN109496504A (en) * | 2018-11-07 | 2019-03-22 | 华中农业大学 | Double plate high speed Pneumatic type bud kind precise seeder |
| RU188276U1 (en) * | 2018-11-07 | 2019-04-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный аграрный университет" (ФГБОУ ВО Донской ГАУ) | PNEUMATIC SOWING UNIT |
| CN109644631A (en) * | 2019-01-23 | 2019-04-19 | 华南农业大学 | The integrated Pneumatic type rice feed mechanism for seed in one discharge plate room |
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| CN113196917A (en) * | 2021-05-31 | 2021-08-03 | 安徽农业大学 | Sub-guiding combined seed guiding device |
| CN113317008A (en) * | 2021-06-23 | 2021-08-31 | 浙江理工大学 | Pneumatic oscillating quantitative seed sowing device and quantitative seed sowing method thereof |
| CN113317008B (en) * | 2021-06-23 | 2022-06-21 | 浙江理工大学 | Pneumatic oscillating quantitative seed sowing device and quantitative seed sowing method thereof |
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