CN115280939A - Pneumatic drum-type vegetable seed sowing device - Google Patents
Pneumatic drum-type vegetable seed sowing device Download PDFInfo
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- CN115280939A CN115280939A CN202210856975.9A CN202210856975A CN115280939A CN 115280939 A CN115280939 A CN 115280939A CN 202210856975 A CN202210856975 A CN 202210856975A CN 115280939 A CN115280939 A CN 115280939A
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- 238000009331 sowing Methods 0.000 title claims abstract description 57
- 235000013311 vegetables Nutrition 0.000 title claims abstract description 39
- 238000004140 cleaning Methods 0.000 claims abstract description 65
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims description 35
- 230000000903 blocking effect Effects 0.000 claims description 22
- 108010016634 Seed Storage Proteins Proteins 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims 3
- 238000010899 nucleation Methods 0.000 abstract description 25
- 238000000034 method Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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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- Life Sciences & Earth Sciences (AREA)
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- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention discloses a pneumatic roller type vegetable seed sowing device which comprises a seed sowing shell, an air chamber shell, a seed sowing roller, a transmission shaft and a seed clearing mechanism, wherein the air chamber shell is connected with the seed sowing shell through a sealing ring, the seed sowing roller is provided with a plurality of seed suction holes, the plurality of seed suction holes are uniformly distributed on the periphery of the seed sowing roller, symmetrical seed disturbing strips are arranged between two adjacent seed suction holes, two ends of the transmission shaft are respectively arranged on the seed sowing shell and the air chamber shell, the seed sowing roller is arranged on the transmission shaft, and the seed clearing mechanism is arranged on the seed sowing shell. The invention reduces the acting force between seeds, avoids the phenomenon of stacking and arching caused by poor mobility of vegetable seeds, and simultaneously adopts a mechanical and pneumatic double seed cleaning device to reduce the miss-seeding index and the reseeding index and improve the precision of single-seed sowing.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a pneumatic roller type vegetable seed sowing device.
Background
At present, three modes of artificial broadcasting, mechanical transplanting and mechanical direct seeding are adopted for vegetable planting. The manual sowing is to directly scatter the seeds into the field, the process is simple, but the seed demand is large, the seedlings are not uniformly distributed and are disordered, and a large amount of thinning or replanting is needed in the later period. Mechanical transplanting is the operation of transplanting the seedlings in a seedbed or a plug into a field, and a seedling raising process needs to be added in the early stage, so that the working procedures are increased, and the cost is increased. The mechanical direct seeding is to directly sow vegetable seeds in the field by adopting machinery, and has the characteristics of high sowing speed, good uniformity, simplified operation process, reduced cost and the like. The conventional vegetable precision seeding apparatus is of a mechanical type and a pneumatic type, and the pneumatic type seeding apparatus adopts air flow to suck, carry and throw seeds, has the characteristics of low requirement on the external dimension of the seeds, low breakage rate and the like, and becomes an important development direction of the vegetable precision seeding technology in China.
The variety of vegetables is various, the mobility difference is great, vegetable seeds are easy to generate phenomena such as accumulation, arching and the like, the miss seeding index and the rebroadcasting index are increased, and the qualification index is reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a pneumatic roller type vegetable seed sowing device.
The purpose of the invention is realized by the following technical scheme: the utility model provides a strength drum-type vegetables seed metering ware, includes seed metering casing, air chamber casing, seed metering cylinder, transmission shaft and seed clearing mechanism, the air chamber casing passes through the sealing washer and is connected with the seed metering casing, the seed metering cylinder is equipped with a plurality of seed suction holes, and is a plurality of seed suction holes evenly distributed is in the periphery of seed metering cylinder, symmetrical formula seed disturbing strip sets up in adjacent two between the seed suction hole, install respectively in seed metering casing and air chamber casing at the both ends of transmission shaft, the seed metering cylinder is installed in the transmission shaft, seed clearing mechanism installs in the seed metering casing.
More excellent selection, the seed metering casing is including filling kind cavity, gyro wheel apron, layer regulating plate and keeping off kind of module, layer regulating plate will fill kind of cavity and divide into clear seed room and seed storage room, clear kind of mechanism installs in clear seed room, it installs in seed storage room to keep off kind of module, keep off kind of module and seed metering cylinder phase-match, the discharge end and the gyro wheel cover connection of filling kind of cavity, the gyro wheel apron passes through the sealing washer and is connected with the air chamber casing, the transmission shaft is installed in the gyro wheel apron.
Preferably, the seed blocking module comprises a seed discharging plate and a seed blocking brush, the seed storage chamber is provided with a seed discharging port, the seed discharging plate is mounted on the seed discharging port, the seed blocking brush is mounted on the seed storage chamber, and the seed blocking brush is matched with the seed discharging roller.
More preferred selection, the air chamber casing includes three baffles, base, air chamber cavity and holding rings, the holding ring is installed in the air chamber cavity, the holding ring is equipped with the sealing washer mounting groove, the annular inner chamber of annular formation in sealing washer mounting groove and location, three the positive pressure room, negative pressure room and surge chamber are split into with annular inner chamber to the baffle, the positive pressure room is equipped with the malleation gas pocket, the negative pressure room is equipped with the negative pressure gas pocket, the transmission shaft is installed in the holding ring, the air chamber cavity is connected with the base, the sealing washer mounting groove passes through the sealing washer and is connected with the seed metering casing, and the air chamber cavity passes through the sealing washer and is connected with the seed metering casing.
Preferably, the seed cleaning mechanism comprises a mechanical seed cleaning module and a pneumatic seed cleaning module, the mechanical seed cleaning module is mounted on the inner wall of the seed discharging shell, the pneumatic seed cleaning module is mounted on the outer wall of the seed discharging shell, and the mechanical seed cleaning module and the pneumatic seed cleaning module are matched with the seed discharging roller.
Preferably, the mechanical seed cleaning module comprises a first fixed block, a first angle adjusting block and seed cleaning strips, the first fixed block is arranged on the inner wall of the seed sowing shell, the first angle adjusting block is rotatably arranged on the first fixed block, the seed cleaning strips are respectively arranged at two ends of the first angle adjusting block, and the seed cleaning strips are matched with the seed sowing roller.
More preferred selection, clear kind of module of strength includes second fixed block, second angle modulation piece and air cock, the second fixed block is installed in the outer wall of seed metering casing, the second angle modulation piece is rotationally installed in the second fixed block, the air cock is rotationally installed in second angle modulation piece, air cock and seed metering cylinder phase-match.
Preferably, the transmission shaft comprises a rotating shaft, bearings and a transmission flange, the seed metering roller is mounted on the rotating shaft through the transmission flange, the bearings are respectively mounted on two sides of the transmission flange, one of the bearings is mounted on the seed metering shell, and the other bearing is mounted on the air chamber shell.
More preferably, the number of the seed sucking holes comprises 10-30.
Preferably, the symmetrical seed disturbing strip is in an inverted splayed structure.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention reduces the acting force between seeds by the seed discharging shell, the air chamber shell, the seed discharging roller, the transmission shaft and the seed cleaning mechanism, avoids the phenomenon of stacking and arching caused by poor mobility of vegetable seeds, and simultaneously adopts a mechanical and pneumatic double seed cleaning device to reduce the miss-seeding index and the reseeding index and improve the precision of single-seed sowing.
Drawings
FIG. 1 is a schematic view of a pneumatic roller-type vegetable seed metering device of the present invention;
FIG. 2 is a schematic view of a pneumatic roller type vegetable seed meter of the present invention;
FIG. 3 is an exploded view of a pneumatic roller-type vegetable seed metering device of the present invention;
FIG. 4 is a schematic view of a seed-metering roller and a transmission shaft of the pneumatic roller type vegetable seed-metering device of the present invention;
FIG. 5 is a schematic view of a seed roller and a transmission shaft of the pneumatic roller type vegetable seed metering device of the present invention;
FIG. 6 is a schematic view of a symmetrical seed-disturbing strip of a pneumatic roller-type vegetable seed sowing device according to the invention;
FIG. 7 is a schematic view of the air chamber housing of a pneumatic roller type vegetable seed metering device of the present invention;
FIG. 8 is a schematic view of the air chamber housing of a pneumatic roller type vegetable seed metering device of the present invention;
FIG. 9 is a schematic view of a seed discharging housing of a pneumatic roller type vegetable seed discharging device according to the present invention;
FIG. 10 is a schematic view of a seed metering housing of a pneumatic roller type vegetable seed metering device of the present invention;
FIG. 11 is a schematic view of a drive shaft of a pneumatic roller type vegetable seed meter of the present invention;
FIG. 12 is a schematic view of a pneumatic seed cleaning module of a pneumatic roller type vegetable seed sowing device according to the present invention;
FIG. 13 is a schematic view of a mechanical seed cleaning module of a pneumatic roller type vegetable seed metering device of the present invention;
FIG. 14 is a schematic view of a seed cleaning module of a pneumatic roller type vegetable seed metering device of the present invention;
reference numbers for parts in the drawings: 1-a seed discharging shell; 11-a seed filling cavity; 111-a seed cleaning room; 112-a seed storage chamber; 12-a layer-regulating plate; 13-a first spindle hole; 14-roller cover plate; 15-seed discharging; 16-a first set screw position; 2-air chamber shell; 20-a gas chamber cavity; 21-a seal ring mounting groove; 22-a positive pressure chamber; 221-positive pressure air holes; 23-a negative pressure chamber; 231-negative pressure air holes; 24-a buffer chamber; 25-a separator; 26-a second spindle hole; 27-a second set screw position; 28-a base; 29-a positioning ring; 3-seed cleaning mechanism; 31-mechanical seed cleaning module; 311-first fixing block; 312-a first angle adjustment block; 313-cleaning seed strips; 32-pneumatic seed cleaning module; 321-a second fixed block; 322-a second angle adjustment block; 323-air tap; 33-a seed blocking module; 331-unloading the seed plate; 332-seed-stop brush; 4-a seed sowing roller; 41-a seed sucking hole; 42-symmetrical seed disturbing strips; 421-trapezoidal square bar; 5-a transmission shaft; 51-a rotating shaft; 52-a bearing; 53-driving flange.
Detailed Description
The following describes the object of the present invention in further detail with reference to the drawings and specific examples, which are not repeated herein, but the embodiments of the present invention are not limited to the following examples.
As shown in fig. 1-14, a pneumatic roller type vegetable seed metering device comprises a seed metering shell 1, an air chamber shell 2, a seed metering roller 4, a transmission shaft 5 and a seed cleaning mechanism 3, wherein the air chamber shell 2 is connected with the seed metering shell 1 through a bolt, the seed metering roller 4 is provided with a plurality of seed suction holes 41, the plurality of seed suction holes 41 are uniformly distributed on the periphery of the seed metering roller 4, the plurality of seed suction holes 41 are arranged along the circumference, symmetrical seed disturbing strips 42 are arranged between two adjacent seed suction holes 41, the symmetrical seed disturbing strips 42 are in an inverted eight-shaped structure, the included angle of the inverted eight-shaped structure comprises 90 degrees to 120 degrees, and the wide opening end of the symmetrical seed disturbing strips 42 of the inverted eight-shaped structure faces the rotation direction of the seed metering roller 4. The seed metering shell 1 is provided with a first rotating shaft hole 13, the air chamber shell 2 is provided with a second rotating shaft hole 26, one end of the transmission shaft 5 is arranged in the first rotating shaft hole 13, the other end of the transmission shaft 5 is arranged in the air chamber shell 2 and extends to the outside of the side of the air chamber shell 2, and the seed metering roller 4 is arranged in the middle of the transmission shaft 5, namely, is positioned between the seed metering shell 1 and the air chamber cavity 2.
The seeding shell 1 is used for storing seeds, adjusting the height of the seeds entering the seeding roller 4 and fixing the transmission shaft 5; the air chamber shell 2 can divide the seeding roller 4 into a negative pressure chamber 23, a positive pressure chamber 22 and a buffer chamber 24, provides power for seed suction and seed blowing of the seeding roller 4 and can fix the transmission shaft 5; the seed discharging roller 4 is used for adsorbing and discharging seeds; the number of the seed suction holes 41 ranges from 10 to 30, the seed suction holes 41 can absorb seeds in a negative pressure state, and the seeds can be blown down from the seed suction holes 41 in a positive pressure state; the symmetrical seed disturbing strip 42 is composed of 2 trapezoidal block strips 421 with mirror symmetry, the thickness of the narrow opening end of the inverted V shape is the largest, the thickness of the narrow opening end of the inverted V shape is 1.0mm, the thickness of the wide opening end of the inverted V shape is the smallest, the thickness of the wide opening end of the inverted V shape is 0.5mm, the length of the trapezoidal block strips 421 is not less than the length of seeds, and the seed stack can be disturbed. The transmission shaft 5 drives the seeding roller 4 to rotate through external power; the seed cleaning mechanism 3 cleans the redundant seeds from the seeding roller 4 through mechanical contact and positive pressure blowing.
The seed discharging shell 1 comprises a seed charging cavity 11, a roller cover plate 14, a seed layer adjusting plate 12 and a seed blocking module 33, the seed charging cavity 11 is provided with a feeding end, a discharging end and a seed discharging port 15, the seed layer adjusting plate 12 is inserted into a strip-shaped adjusting groove 123 of the feeding end and divides the seed charging cavity 11 into two parts which are divided into a seed cleaning chamber 111 and a seed storage chamber 112, a seed cleaning mechanism 3 is installed in the seed cleaning chamber, the seed discharging port 15 is arranged on one side of the discharging end, and the seed discharging plate 331 is installed on the seed discharging port 15 so as to clean seeds in the seed storage chamber conveniently; the seed blocking brush 332 is fixedly arranged at the other side of the discharging end, and a gap is formed between the seed blocking brush and the seed discharging roller 4, so that seeds can be prevented from falling from the seed storage chamber. The discharge end of the seed charging cavity 11 is connected with a roller cover plate 14, a first rotating shaft hole 13 is arranged in the middle of the roller cover plate 14 of the seed sowing shell 1, 2 first fixing screw positions 16,2 are symmetrically arranged on the side surface of the roller cover plate 14, the first fixing screw positions 16 are connected with a second fixing screw position 27 of the air chamber shell 2 through bolts, and one end of a transmission shaft 5 is installed on the first rotating shaft hole 13.
The seed filling cavity 11 is used for storing seeds and installing the seed cleaning mechanism 3; the seed cleaning chamber 111 is used for storing the cleaned seeds and is provided with a seed cleaning mechanism 3; the seed storage chamber 112 is used for storing seeds and installing the seed blocking module 33; the roller cover plate 14 is used for fixedly mounting the seed sowing roller 4; the seed-layer adjusting plate 12 adjusts the height of seeds on the seeding roller 4 by adjusting the depth in the seed-filling cavity 11; the seed blocking module 33 is used for preventing seeds in the seed storage chamber of the seed filling cavity 11 from falling.
The seed blocking module 33 comprises a seed discharging plate 331 and a seed blocking brush 332, the fixed end of the seed blocking brush 332 is fixedly installed on the other side of the discharging end through a bolt, the soft hair end of the seed blocking brush 332 is matched with the seed discharging roller 4, and the seed discharging port 331 is clamped in the seed discharging port 15 of the seed charging cavity 11. The seed blocking brush 332 can prevent the seeds from falling from the seed storage chamber 112 along with the rotation of the seed roller 4 under the rotation of the seed roller 4.
The partition plate 25 is used for dividing the annular inner cavity; the base 28 is used for fixing a seed sowing device; the air chamber cavity has the functions of vacuum seed suction, positive pressure seed blowing and buffering, and can fix the transmission shaft 5; the positive pressure chamber 22 has a positive pressure function and can blow down seeds to realize seed sowing; the positive pressure air hole 221 is used for connecting a positive pressure air pipe; the negative pressure chamber 23 has a negative pressure function, so that the seed sowing roller 4 can suck seeds; the negative pressure air hole 231 is used for connecting a negative pressure air pipe; the buffer chamber 24 has a buffer function for switching the positive pressure chamber 22 and the negative pressure chamber 23; the positioning ring is used for separating the transmission shaft 5 from the positive pressure chamber 22, the negative pressure chamber 23 and the buffer chamber 24; the sealing ring mounting groove 21 is used for mounting a sealing ring; the second shaft hole 26 is used for mounting the transmission shaft 5.
The seed cleaning mechanism 3 comprises a mechanical seed cleaning module 31 and an air-powered seed cleaning module 32, the mechanical seed cleaning module 31 is arranged on the inner wall of the seeding shell 1, the air-powered seed cleaning module 32 is arranged on the outer wall of the seeding shell 1, and both the mechanical seed cleaning module 31 and the air-powered seed cleaning module 32 are matched with the seeding roller 4.
The mechanical seed cleaning module 31 comprises a first fixed block 311, a first angle adjusting block 312 and two seed cleaning strips 313, wherein the first fixed block 311 is arranged on the inner wall of the seeding casing body 1, the first angle adjusting block 312 is rotatably arranged on the first fixed block 311, the seed cleaning strips 313 are arranged at two ends of the first angle adjusting block 312, and the seed cleaning strips 313 are matched with the seeding roller 4.
The first fixing block 311 is used for fixedly mounting the first angle adjusting block 312; the first angle adjusting block 312 can rotate relative to the first fixing block 311, so as to adjust the position of the seed cleaning strip 313; the seed cleaning strip 313 is used for cleaning the excess seeds on the seed cleaning roller.
The pneumatic seed cleaning module 32 comprises a second fixed block 321, a second angle adjusting block 322 and an air nozzle 323, wherein the second fixed block 321 is arranged on the outer wall of the seeding shell 1, the second angle adjusting block 322 is rotatably arranged on the second fixed block 321, the air nozzle 323 is rotatably arranged on the second angle adjusting block 322, and the air nozzle 323 is matched with the seeding roller 4. The second fixing block 321 is used for fixedly mounting the second angle adjusting block 322; the second angle adjusting block 322 can rotate relative to the second fixing block 321, so that the air nozzle 323 can adjust the angle left and right; the air nozzle 323 can rotate up and down relative to the second angle adjusting block 322, and the compressed air in the air nozzle 323 can blow off the excess seeds.
The transmission shaft 5 comprises a rotating shaft 51, two bearings 52 and a transmission flange 53, the seed sowing roller 4 is arranged in the middle of the rotating shaft 51 through the transmission flange 53, the two bearings 52 are respectively arranged at two sides of the transmission flange 53, one bearing 52 is arranged in the first rotating shaft hole 13 of the seed sowing shell 1, and the other bearing 52 is arranged in the second rotating shaft hole 26 of the air chamber shell 2. The rotating shaft 51 plays a role in transmission; the transmission flange 53 is used for connecting the rotating shaft 51 with the seed sowing roller 4; the bearings 52 serve to reduce the relative friction of the rotating shaft 51 with the first and second rotating shaft holes 13 and 26, respectively.
Description of the working principle: when the seed sowing device works, the transmission shaft 5 drives the seed sowing roller 4 to rotate anticlockwise, and when the seed sowing roller 4 rotates, the symmetrical seed disturbing strips 42 on the seed sowing roller 4 disturb a seed pile in a seed storage chamber of the seed filling cavity 11 to disturb the seed pile to a boiling state, so that the resistance between seeds is reduced, and the phenomenon of stacking, arching and the like of the seeds is avoided. The symmetrical seed disturbing strip 42 carries the seed out of the seed pile, and the seed falls after leaving the seed pile for a certain distance, so that the seed is more easily absorbed by the seed absorbing hole 41 in the negative pressure chamber 23. When the seed suction hole 41 with the adsorbed seeds rotates to the seed cleaning mechanism 3, the mechanical seed cleaning module 31 and the pneumatic seed cleaning module of the seed cleaning structure clean redundant seeds on the seed suction hole 41, the adsorbed seeds and the seed suction hole 41 are in a one-to-one correspondence state, when the seed suction hole 41 with the adsorbed seeds rotates to the positive pressure chamber 22, gas in the positive pressure chamber 22 is blown out from the seed suction hole 41, the seeds on the seed suction hole 41 are blown for seeding, seeding is achieved, and seeding operation is completed.
The above-mentioned embodiments are preferred embodiments of the present invention, and the present invention is not limited thereto, and any other modifications or equivalent substitutions that do not depart from the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a strength drum-type vegetables seed metering ware, its characterized in that, includes seed metering casing, air chamber casing, seed metering cylinder, transmission shaft and seed clearing mechanism, the air chamber casing passes through the sealing washer and is connected with the seed metering casing, the seed metering cylinder is equipped with a plurality of seed absorption holes, and is a plurality of seed absorption hole evenly distributed is in the periphery of seed metering cylinder, symmetrical formula seed disturbing strip sets up in adjacent two between the seed absorption hole, install respectively in seed metering casing and air chamber casing at the both ends of transmission shaft, the seed metering cylinder is installed in the transmission shaft, seed clearing mechanism installs in the seed metering casing.
2. The pneumatic roller type vegetable seed sowing device of claim 1, wherein the seed sowing housing comprises a seed filling cavity, a roller cover plate, a seed layer adjusting plate and a seed blocking module, the seed layer adjusting plate divides the seed filling cavity into a seed cleaning chamber and a seed storage chamber, the seed cleaning mechanism is installed in the seed cleaning chamber, the seed blocking module is installed in the seed storage chamber, the seed blocking module is matched with the seed sowing roller, the discharging end of the seed filling cavity is connected with the roller cover plate, the roller cover plate is connected with the air chamber housing through a sealing ring, and the transmission shaft is installed on the roller cover plate.
3. A pneumatic roller type vegetable seed sowing device as claimed in claim 2, wherein the seed blocking module comprises a seed discharging plate and a seed blocking brush, the seed storage chamber is provided with a seed discharging opening, the seed discharging plate is mounted on the seed discharging opening, the seed blocking brush is mounted on the seed storage chamber, and the seed blocking brush is matched with the seed sowing roller.
4. A pneumatic roller type vegetable seed sowing device according to claim 1, wherein the air chamber shell comprises three clapboards, a base, an air chamber cavity and a positioning ring, the positioning ring is mounted on the air chamber cavity, the positioning ring is provided with a sealing ring mounting groove, the sealing ring mounting groove and the positioning ring form an annular inner cavity, the annular inner cavity is divided into a positive pressure chamber, a negative pressure chamber and a buffer chamber by the three clapboards, the positive pressure chamber is provided with a positive pressure air hole, the negative pressure chamber is provided with a negative pressure air hole, the transmission shaft is mounted on the positioning ring, the air chamber cavity is connected with the base, the sealing ring mounting groove is connected with the seed sowing shell through a sealing ring, and the air chamber cavity is connected with the seed sowing shell through a sealing ring.
5. A pneumatic roller type vegetable seed sowing device as claimed in claim 1, wherein the seed cleaning mechanism comprises a mechanical seed cleaning module and a pneumatic seed cleaning module, the mechanical seed cleaning module is mounted on the inner wall of the seed sowing shell, the pneumatic seed cleaning module is mounted on the outer wall of the seed sowing shell, and the mechanical seed cleaning module and the pneumatic seed cleaning module are matched with the seed sowing roller.
6. A pneumatic roller type vegetable seed sowing device as claimed in claim 5, wherein the mechanical seed cleaning module comprises a first fixed block, a first angle adjusting block and seed cleaning strips, the first fixed block is mounted on the inner wall of the seed sowing shell, the first angle adjusting block is rotatably mounted on the first fixed block, the seed cleaning strips are respectively mounted at two ends of the first angle adjusting block, and the seed cleaning strips are matched with the seed sowing roller.
7. A pneumatic roller type vegetable seed sowing device as claimed in claim 5, wherein the pneumatic seed cleaning module comprises a second fixed block, a second angle adjusting block and an air nozzle, the second fixed block is mounted on the outer wall of the seed sowing shell, the second angle adjusting block is rotatably mounted on the second fixed block, the air nozzle is rotatably mounted on the second angle adjusting block, and the air nozzle is matched with the seed sowing roller.
8. A pneumatic roller type vegetable seed sowing device as claimed in claim 1, wherein the transmission shaft comprises a rotating shaft, bearings and a transmission flange, the seed sowing roller is mounted on the rotating shaft through the transmission flange, the bearings are respectively mounted on two sides of the transmission flange, one of the bearings is mounted on the seed sowing shell, and the other bearing is mounted on the air chamber shell.
9. A pneumatic roller type vegetable seed-metering device as claimed in claim 1, wherein the number of the seed-sucking holes comprises 10-30.
10. A pneumatic roller type vegetable seed sowing device as claimed in claim 1, wherein the symmetrical seed disturbing strips are of an inverted splayed structure.
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CN202210856975.9A CN115280939B (en) | 2022-07-20 | 2022-07-20 | Pneumatic roller type vegetable seed sowing device |
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CN202210856975.9A CN115280939B (en) | 2022-07-20 | 2022-07-20 | Pneumatic roller type vegetable seed sowing device |
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CN115280939A true CN115280939A (en) | 2022-11-04 |
CN115280939B CN115280939B (en) | 2024-06-04 |
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JPH10210810A (en) * | 1997-01-27 | 1998-08-11 | Keibunsya Seisakusho Co Ltd | Negative pressure sowing device |
US20150373898A1 (en) * | 2013-02-07 | 2015-12-31 | Kuhn Sa | Single-seed sowing machine with at least one improved sowing element |
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CN110972637A (en) * | 2019-11-22 | 2020-04-10 | 武汉市农业科学院 | Similar-ball type small-particle-size vegetable seed seeding device |
CN213907440U (en) * | 2020-11-24 | 2021-08-10 | 河南农业大学 | Seed filling air-suction type precise seed sowing device with concave-convex sealing structure |
CN216058215U (en) * | 2021-08-04 | 2022-03-18 | 山东大学 | Corn seed metering device and system |
-
2022
- 2022-07-20 CN CN202210856975.9A patent/CN115280939B/en active Active
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JPH10210810A (en) * | 1997-01-27 | 1998-08-11 | Keibunsya Seisakusho Co Ltd | Negative pressure sowing device |
US20150373898A1 (en) * | 2013-02-07 | 2015-12-31 | Kuhn Sa | Single-seed sowing machine with at least one improved sowing element |
CN106612772A (en) * | 2017-03-03 | 2017-05-10 | 山东农业大学 | Air-suction type precision seed sowing device for vegetables |
CN109496504A (en) * | 2018-11-07 | 2019-03-22 | 华中农业大学 | Double plate high speed Pneumatic type bud kind precise seeder |
CN110972637A (en) * | 2019-11-22 | 2020-04-10 | 武汉市农业科学院 | Similar-ball type small-particle-size vegetable seed seeding device |
CN213907440U (en) * | 2020-11-24 | 2021-08-10 | 河南农业大学 | Seed filling air-suction type precise seed sowing device with concave-convex sealing structure |
CN216058215U (en) * | 2021-08-04 | 2022-03-18 | 山东大学 | Corn seed metering device and system |
Non-Patent Citations (1)
Title |
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张明华 等: "蔬菜气吸轮式精量排种器设计与试验", 《农业工程学报》, vol. 39, no. 7, 30 April 2023 (2023-04-30) * |
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