CN115280939B - Pneumatic roller type vegetable seed sowing device - Google Patents
Pneumatic roller type vegetable seed sowing device Download PDFInfo
- Publication number
- CN115280939B CN115280939B CN202210856975.9A CN202210856975A CN115280939B CN 115280939 B CN115280939 B CN 115280939B CN 202210856975 A CN202210856975 A CN 202210856975A CN 115280939 B CN115280939 B CN 115280939B
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- seed
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- metering
- pneumatic
- roller
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- 238000009331 sowing Methods 0.000 title claims abstract description 40
- 235000013311 vegetables Nutrition 0.000 title claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims abstract description 72
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 23
- 108010016634 Seed Storage Proteins Proteins 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 3
- 238000010899 nucleation Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000009835 boiling Methods 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
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention discloses a pneumatic drum-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 cleaning 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 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 cleaning mechanism is arranged on the seed sowing shell. The invention reduces the acting force between seeds, avoids the phenomenon of piling and arching caused by poor fluidity of vegetable seeds, and simultaneously adopts a mechanical and pneumatic double seed cleaning device to reduce the miss-seeding index and the re-seeding index and improve the single-seed seeding precision.
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 manual broadcasting, mechanical transplanting and mechanical direct seeding exist in vegetable planting. The manual sowing is to directly spread seeds into the field, the working procedure is simple, but the seed demand is large, the seedlings are unevenly distributed and disordered, and a large amount of thinning or seedling supplementing is needed in the later period. The mechanical transplanting is the operation of transplanting seedlings in a seedbed or a plug tray to a field, and the seedling raising process is added in the early stage, so that the working procedures are increased, and the cost is increased. The mechanical direct seeding is to directly seed vegetable seeds into the field by adopting machinery, and has the characteristics of high seeding speed, good uniformity, simplified operation procedures, reduced cost and the like. The common vegetable precision seeding apparatus has mechanical and pneumatic type, and the pneumatic type seeding apparatus adopts air flow to suck, carry and throw seeds, so the vegetable precision seeding apparatus has the characteristics of low requirements on the external dimensions of seeds, low breaking rate and the like, and becomes an important development direction of the vegetable precision seeding technology in China.
The vegetables are various in variety, the fluidity difference is large, the vegetable seeds are easy to accumulate and arch, the miss-seeding index and the replay 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 aim of the invention is achieved by the following technical scheme: the utility model provides a pneumatic drum-type vegetable seed metering ware, includes seed metering casing, air chamber casing, seed metering cylinder, transmission shaft and seed cleaning mechanism, the air chamber casing passes through the sealing washer and is connected with seed metering casing, seed metering cylinder is equipped with a plurality of seed sucking holes, a plurality of seed sucking holes evenly distributed is in the periphery of seed metering cylinder, the symmetry scrambles kind strip and sets up in adjacent two between the seed sucking hole, the both ends of transmission shaft are installed respectively in seed metering casing and air chamber casing, seed metering cylinder is installed in the transmission shaft, seed cleaning mechanism installs in seed metering casing.
More preferably, the seed metering casing includes fills kind cavity, gyro wheel apron, seed layer regulating plate and keeps off kind of module, seed layer regulating plate will fill kind of cavity and divide into clear kind room and seed storage room, clear kind mechanism installs in clear kind room, keep off kind of module and install in seed storage room, keep off kind of module and seed metering cylinder assorted, the discharge end and the gyro wheel apron 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.
More preferably, the seed blocking module comprises a seed discharging port and a seed blocking brush, the seed storage chamber is provided with a seed discharging port, the seed discharging port is arranged on the seed discharging port, the seed blocking brush is arranged in the seed storage chamber, and the seed blocking brush is matched with the seed discharging roller.
More preferably, the air chamber shell comprises three partition plates, a base, an air chamber cavity and a positioning ring, the positioning ring is arranged 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 partition plates divide the annular inner cavity into a positive pressure chamber, a negative pressure chamber and a buffer chamber, 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 arranged on the positioning ring, the air chamber cavity is connected with the base, the sealing ring mounting groove is connected with the seed metering shell through a sealing ring, and the air chamber cavity is connected with the seed metering shell through the sealing ring.
More preferably, the seed cleaning mechanism comprises a mechanical seed cleaning module and a pneumatic seed cleaning module, wherein the mechanical seed cleaning module is arranged on the inner wall of the seed metering shell, the pneumatic seed cleaning module is arranged on the outer wall of the seed metering shell, and the mechanical seed cleaning module and the pneumatic seed cleaning module are matched with the seed metering roller.
More preferably, the mechanical seed cleaning module comprises a first fixed block, a first angle adjusting block and seed cleaning strips, wherein 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 preferably, the pneumatic seed cleaning module comprises a second fixed block, a second angle adjusting block and an air nozzle, wherein the second fixed block is arranged on the outer wall of the seed sowing shell, the second angle adjusting block is rotatably arranged on the second fixed block, the air nozzle is rotatably arranged on the second angle adjusting block, and the air nozzle is matched with the seed sowing roller.
More preferably, the transmission shaft comprises a rotating shaft, bearings and a transmission flange, the seed sowing roller is arranged on the rotating shaft through the transmission flange, the bearings are respectively arranged on two sides of the transmission flange, one bearing is arranged on the seed sowing shell, and the other bearing is arranged on the air chamber shell.
More preferably, the number of the seed sucking holes comprises 10-30.
Preferably, the symmetrical seed disturbing strips are of inverted splayed structures.
Compared with the prior art, the invention has the following advantages:
The invention reduces the acting force between seeds through the seed sowing shell, the air chamber shell, the seed sowing roller, the transmission shaft and the seed cleaning mechanism, avoids the phenomenon of accumulation and arching caused by poor fluidity of vegetable seeds, and simultaneously adopts a mechanical and pneumatic double seed cleaning device to reduce the miss-seeding index and the re-seeding index and improve the single seed sowing precision.
Drawings
FIG. 1 is a schematic view of a pneumatic drum-type vegetable seed metering device of the present invention;
FIG. 2 is a schematic view of a pneumatic drum-type vegetable seed metering device of the present invention;
FIG. 3 is an exploded view of a pneumatic drum-type vegetable seed metering device of the present invention;
FIG. 4 is a schematic view of a seed-metering roller and drive shaft of a pneumatic roller-type vegetable seed-metering device of the present invention;
FIG. 5 is a schematic view of a seed metering drum and drive shaft of a pneumatic drum-type vegetable seed metering device of the present invention;
FIG. 6 is a schematic view of a symmetrical seed-disturbing strip of a pneumatic drum-type vegetable seed-metering device of the present invention;
FIG. 7 is a schematic view of the air chamber housing of a pneumatic drum-type vegetable seed metering device of the present invention;
FIG. 8 is a schematic view of the air chamber housing of a pneumatic drum-type vegetable seed metering device of the present invention;
FIG. 9 is a schematic view of a seed metering housing of a pneumatic drum-type vegetable seed metering device of the present invention;
FIG. 10 is a schematic view of a seed metering housing of a pneumatic drum-type vegetable seed metering device of the present invention;
FIG. 11 is a schematic view of a drive shaft of a pneumatic drum-type vegetable seed metering device of the present invention;
FIG. 12 is a schematic view of a pneumatic seed cleaning module of a pneumatic drum-type vegetable seed metering device of the present invention;
FIG. 13 is a schematic view of a mechanical seed cleaning module of a pneumatic drum-type vegetable seed metering device of the present invention;
FIG. 14 is a schematic view of a seed cleaning module of a pneumatic drum-type vegetable seed metering device of the present invention;
The reference numerals for the various parts in the drawings: 1-seed metering shells; 11-a seed filling cavity; 111-seed cleaning chamber; 112-a seed storage chamber; 12-seed layer adjusting plates; 13-a first pivot hole; 14-roller cover plate; 15-a seed discharging port; 16-a first set screw position; 2-a gas chamber housing; 20-an air chamber cavity; 21-a seal ring mounting groove; 22-positive pressure chamber; 221-positive pressure air holes; 23-a negative pressure chamber; 231-negative pressure air holes; 24-buffer chamber; 25-a separator; 26-a second spindle bore; 27-a second set screw position; 28-a base; 29-a positioning ring; 3-a seed cleaning mechanism; 31-a mechanical seed cleaning module; 311-a first fixed block; 312-a first angle adjustment block; 313-seed cleaning strips; 32-pneumatic seed cleaning module; 321-a second fixed block; 322-a second angle adjustment block; 323-air tap; 33-seed blocking modules; 331-unloading the seed plates; 332-a seed blocking brush; 4-a seed metering roller; 41-seed sucking holes; 42-symmetrical seed disturbing strips; 421-trapezoidal square bars; 5-a transmission shaft; 51-rotating shaft; 52-bearing; 53-drive flange.
Detailed Description
The present invention will be described in further detail with reference to the drawings and specific examples, which are not to be construed as limiting the embodiments of the present invention.
As shown in figures 1-14, the 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 bolts, the seed metering roller 4 is provided with a plurality of seed suction holes 41, the seed suction holes 41 are uniformly distributed on the periphery of the seed metering roller 4, the seed suction holes 41 are circumferentially arranged, symmetrical seed stirring strips 42 are arranged between two adjacent seed suction holes 41, the symmetrical seed stirring strips 42 are in an inverted-eight-shaped structure, an included angle of the inverted-eight-shaped structure comprises 90-120 degrees, and the wide opening end of the symmetrical seed stirring strip 42 in the inverted-eight-shaped structure faces the rotation direction of the seed metering roller 4. The seed metering casing 1 is equipped with first pivot hole 13, and air chamber casing 2 is equipped with second pivot hole 26, and first pivot hole 13 is installed to the one end of transmission shaft 5, and air chamber casing 2 is installed to the other end of transmission shaft 5 to extend to the outside of air chamber casing 2 side, seed metering cylinder 4 installs at the middle part of transmission shaft 5, i.e. is located between seed metering casing 1 and air chamber cavity 2.
The seed metering shell 1 is used for storing seeds, adjusting the height of the seeds entering the seed metering roller 4 and fixing a transmission shaft 5; the air chamber shell 2 can divide the seed metering 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 seed metering roller 4, and can fix the transmission shaft 5; the seed sowing roller 4 is used for adsorbing and sowing seeds; the number of the seed sucking holes 41 is 10-30, the seed sucking holes 41 can adsorb seeds in a negative pressure state, and the seeds can be blown down from the seed sucking holes 41 in a positive pressure state; the symmetrical seed disturbing strip 42 consists of 2 trapezoid square strips 421 which are mirror symmetry, wherein the thickness of the narrow opening end of the inverted V shape is maximum, 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 minimum, the thickness of the wide opening end of the inverted V shape is 0.5mm, and the length of the trapezoid square strips 421 is not less than the length of seeds, so that a seed stack can be disturbed. The transmission shaft 5 drives the seed sowing roller 4 to rotate through external power; the seed cleaning mechanism 3 cleans the excessive seeds from the seed-metering roller 4 by mechanical contact and positive pressure blowing.
The seed metering shell 1 comprises a seed filling cavity 11, a roller cover plate 14, a seed layer adjusting plate 12 and a seed blocking module 33, wherein the seed filling cavity 11 is provided with a feeding end, a discharging end and a seed discharging opening 15, the seed layer adjusting plate 12 is inserted into a strip-shaped adjusting groove 123 at the feeding end and divides the seed filling cavity 11 into two parts, a seed cleaning chamber 111 and a seed storage chamber 112, the seed cleaning mechanism 3 is arranged in the seed cleaning chamber, one side of the discharging end is provided with the seed discharging opening 15, and the seed discharging plate 331 is arranged on the seed discharging opening 15 so as to clean seeds in the seed storage chamber; the seed blocking brush 332 is fixedly installed at the other side of the discharging end, and a gap exists 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 filling 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 discharging shell 1, 2 first fixing screw positions 16 are symmetrically arranged on the side face of the roller cover plate 14, the 2 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 arranged on the first rotating shaft hole 13.
The seed filling cavity 11 is used for storing seeds and for installing the seed cleaning mechanism 3; the seed cleaning chamber 111 is used for storing 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 metering roller 4; the seed layer adjusting plate 12 adjusts the height of seeds on the seed metering 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, wherein the fixed end of the seed blocking brush 332 is fixedly arranged on the other side of the discharge 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 opening 331 is clamped into the seed discharging opening 15 of the seed charging cavity 11. The seed blocking brush 332 prevents seeds from falling from the seed storage chamber 112 following the rotation of the seed metering drum 4 when the seed metering drum 4 rotates.
The air chamber shell 2 comprises 3 partition plates 25, a base 28, an air chamber cavity 20 and a positioning ring 29, wherein the air chamber cavity is provided with a sealing ring mounting groove 21 and a second rotating shaft hole 26, the second rotating shaft hole 26 is positioned in the middle of the air chamber cavity, the positioning ring is arranged on the outer side of the second rotating shaft hole 26, the sealing ring mounting groove 21 is arranged on the outer side of the positioning ring 29, the positioning ring and the sealing ring mounting groove 21 form an annular inner cavity, and the annular inner cavity is divided into a positive pressure chamber 22, a negative pressure chamber 23 and a buffer chamber 24 by the 3 partition plates 25. The positive pressure chamber 22 is provided with a positive pressure air hole 221, and the negative pressure chamber 23 is provided with a negative pressure air hole 231. The air chamber cavity is connected with the base 28, and the edge symmetry of air chamber cavity 20 is equipped with 2 second set screw positions 27, installs the sealing washer in the sealing washer mounting groove 21, can guarantee the sealing connection of air chamber cavity and seed metering cylinder 4. The second set screw position 27 is connected to the first set screw position 16 by a bolt.
The partition plate 25 is used for dividing the annular inner cavity; the base 28 is used for fixing a seed sowing device; the cavity of the air chamber 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 seeds can be blown down to realize seed metering; 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, and can enable the seed metering roller 4 to suck seeds; the negative pressure air hole 231 is used for connecting a negative pressure air pipe; the buffer chamber 24 plays a role in buffering the switching between 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 seal ring mounting groove 21 is used for mounting a seal ring; the second rotation shaft hole 26 is used for mounting the transmission shaft 5.
The seed cleaning mechanism 3 comprises a mechanical seed cleaning module 31 and a pneumatic seed cleaning module 32, wherein the mechanical seed cleaning module 31 is arranged on the inner wall of the seed metering shell 1, the pneumatic seed cleaning module 32 is arranged on the outer wall of the seed metering shell 1, and the mechanical seed cleaning module 31 and the pneumatic seed cleaning module 32 are matched with the seed metering 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 seed metering shell 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 seed metering 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 bar 313; the seed cleaning bar 313 is used for cleaning excessive 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 seed sowing 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 seed sowing 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 tap 323 can adjust the angle left and right; the air tap 323 can rotate up and down relative to the second angle adjusting block 322, and the compressed air in the air tap 323 can blow off redundant seeds.
The transmission shaft 5 comprises a rotation shaft 51, two bearings 52 and a transmission flange 53, the seed metering roller 4 is arranged in the middle of the rotation shaft 51 through the transmission flange 53, the two bearings 52 are respectively arranged on two sides of the transmission flange 53, one bearing 52 is arranged in the first rotation shaft hole 13 of the seed metering shell 1, and the other bearing 52 is arranged in the second rotation shaft hole 26 of the air chamber shell 2. The rotating shaft 51 plays a transmission role; the transmission flange 53 is used for connecting the rotating shaft 51 with the seed sowing roller 4; the bearing 52 serves to reduce the relative friction of the rotation shaft 51 with the first rotation shaft hole 13 and the second rotation shaft hole 26, respectively.
Description of working principle: when the seed metering device works, the transmission shaft 5 drives the seed metering roller 4 to rotate anticlockwise, and when the seed metering roller 4 rotates, the symmetrical seed disturbing strips 42 on the seed metering roller 4 disturb the seed pile in the seed storage chamber of the seed filling cavity 11, so that the seed pile is disturbed to a boiling state, the resistance among seeds is reduced, and the phenomenon of piling and arching of the seeds is avoided. The symmetrical seed-disturbing strips 42 bring the seeds out of the seed stack and drop after being separated from the seed stack by a certain distance, and are more easily absorbed by the seed-absorbing holes 41 in the negative pressure chamber 23. When the seed suction hole 41 with the seeds adsorbed thereon 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 are in a one-to-one correspondence state with the seed suction hole 41, when the seed suction hole 41 with the seeds adsorbed thereon rotates to the positive pressure chamber 22, the gas of the positive pressure chamber 22 is blown out from the seed suction hole 41, and the seeds on the seed suction hole 41 are blown to be planted, so that the seed sowing is realized, and the seed sowing operation is completed.
The above embodiments are preferred examples of the present invention, and the present invention is not limited thereto, and any other modifications or equivalent substitutions made without departing from the technical aspects of the present invention are included in the scope of the present invention.
Claims (5)
1. The pneumatic drum-type vegetable seed metering device is characterized by comprising a seed metering shell, an air chamber shell, a seed metering drum, a transmission shaft and a seed cleaning mechanism, wherein the air chamber shell is connected with the seed metering shell through a sealing ring, the seed metering drum is provided with a plurality of seed suction holes, the seed suction holes are uniformly distributed on the periphery of the seed metering drum, symmetrical seed disturbing strips are arranged between two adjacent seed suction holes, two ends of the transmission shaft are respectively arranged on the seed metering shell and the air chamber shell, the seed metering drum is arranged on the transmission shaft, and the seed cleaning mechanism is arranged on the seed metering shell;
The seed metering shell 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 arranged in the seed cleaning chamber, the seed blocking module is arranged in the seed storage chamber, the seed blocking module is matched with a seed metering roller, a discharge end of the seed filling cavity is connected with the roller cover plate, the roller cover plate is connected with the air chamber shell through a sealing ring, and the transmission shaft is arranged on the roller cover plate;
The seed cleaning mechanism comprises a mechanical seed cleaning module and a pneumatic seed cleaning module, wherein the mechanical seed cleaning module is arranged on the inner wall of the seed metering shell, the pneumatic seed cleaning module is arranged on the outer wall of the seed metering shell, and the mechanical seed cleaning module and the pneumatic seed cleaning module are matched with the seed metering roller;
the mechanical seed cleaning module comprises a first fixed block, a first angle adjusting block and seed cleaning strips, wherein 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;
the pneumatic seed cleaning module comprises a second fixed block, a second angle adjusting block and an air nozzle, wherein the second fixed block is arranged on the outer wall of the seed sowing shell, the second angle adjusting block is rotatably arranged on the second fixed block, the air nozzle is rotatably arranged on the second angle adjusting block, and the air nozzle is matched with the seed sowing roller;
The symmetrical seed disturbing strips are of an inverted splayed structure;
the wide opening end of the symmetric seed disturbing strip with the inverted splayed structure faces the rotation direction of the seed sowing roller.
2. The pneumatic drum-type vegetable seed metering device according to claim 1, 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 port, the seed discharging plate is arranged at the seed discharging port, the seed blocking brush is arranged in the seed storage chamber, and the seed blocking brush is matched with the seed metering drum.
3. The pneumatic drum-type vegetable seed sowing device according to claim 1, wherein the air chamber shell comprises three partition plates, a base, an air chamber cavity and a positioning ring, the positioning ring is installed in the air chamber cavity, the positioning ring is provided with a sealing ring installation groove, the sealing ring installation groove and the positioning ring form an annular inner cavity, the three partition plates divide the annular inner cavity into a positive pressure chamber, a negative pressure chamber and a buffer chamber, 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 installed in the positioning ring, the air chamber cavity is connected with the base, the sealing ring installation 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 the sealing ring.
4. The pneumatic drum-type vegetable seed metering device of claim 1, wherein the transmission shaft comprises a rotation shaft, bearings and a transmission flange, the seed metering drum is mounted on the rotation shaft through the transmission flange, the bearings are respectively mounted on two sides of the transmission flange, one bearing is mounted on the seed metering shell, and the other bearing is mounted on the air chamber shell.
5. A pneumatic drum-type vegetable seed metering device as claimed in claim 1, wherein the number of seed suction holes comprises 10-30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210856975.9A CN115280939B (en) | 2022-07-20 | 2022-07-20 | Pneumatic roller type vegetable seed sowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210856975.9A CN115280939B (en) | 2022-07-20 | 2022-07-20 | Pneumatic roller type vegetable seed sowing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115280939A CN115280939A (en) | 2022-11-04 |
| CN115280939B true CN115280939B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210856975.9A Active CN115280939B (en) | 2022-07-20 | 2022-07-20 | Pneumatic roller type vegetable seed sowing device |
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| CN (1) | CN115280939B (en) |
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| JPH10210810A (en) * | 1997-01-27 | 1998-08-11 | Keibunsya Seisakusho Co Ltd | Negative pressure sowing device |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3001607B1 (en) * | 2013-02-07 | 2015-02-20 | Kuhn Sa | MONOGRAINE SEMORER WITH AT LEAST ONE PERFECTED ELEMENT |
-
2022
- 2022-07-20 CN CN202210856975.9A patent/CN115280939B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10210810A (en) * | 1997-01-27 | 1998-08-11 | Keibunsya Seisakusho Co Ltd | Negative pressure sowing device |
| 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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| 蔬菜气吸轮式精量排种器设计与试验;张明华 等;《农业工程学报》;20230430;第39卷(第7期);论文全文 * |
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| CN115280939A (en) | 2022-11-04 |
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