CN111903287A - Speed-adjustable precision corn seed metering device - Google Patents
Speed-adjustable precision corn seed metering device Download PDFInfo
- Publication number
- CN111903287A CN111903287A CN202010666634.6A CN202010666634A CN111903287A CN 111903287 A CN111903287 A CN 111903287A CN 202010666634 A CN202010666634 A CN 202010666634A CN 111903287 A CN111903287 A CN 111903287A
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- seed
- speed
- disc
- spoon
- output shaft
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- 240000008042 Zea mays Species 0.000 title claims abstract description 36
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 36
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 35
- 235000005822 corn Nutrition 0.000 title claims abstract description 35
- 238000010899 nucleation Methods 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 238000007790 scraping Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 3
- 240000001931 Ludwigia octovalvis Species 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 11
- 241000196324 Embryophyta Species 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 22
- 238000009331 sowing Methods 0.000 description 21
- 230000001488 breeding effect Effects 0.000 description 9
- 238000009395 breeding Methods 0.000 description 7
- 241000721671 Ludwigia Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035784 germination Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/18—Machines for depositing quantities of seed at intervals
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention discloses a speed-adjustable precision corn seed metering device which comprises a base, shells on the left side and the right side of the base and a protective shell, wherein an output shaft and a speed change gear are arranged in the protective shell, 5 gears with different sizes are arranged on the output shaft, a speed regulating shaft is provided with a gear, the gear on an intermediate shaft is meshed with the gear on the output shaft, the gear on the intermediate shaft is meshed with the gear on the output shaft, the base is fixed on the output shaft through a bearing, and a spoon type seed metering disc, a seed separating disc and a seed guiding disc are sequentially arranged between the shells and the base from the shells inwards. Through the cooperation of spoon formula seed metering dish, separate seed dish and lead kind of a dish can realize two grain precision seedings, open the excess seed discharge port on the shell after the seeding is accomplished and pour out unnecessary seed, the excess seed accessible reverse rotation output shaft that remains in leading kind of a dish discharges to effectively prevent remaining excess seed, utilize speed change gear adjustment plant spacing according to different seed characteristics during the seeding, reasonable distribution in the district promotes seeding efficiency.
Description
Technical Field
The invention relates to the field of seeding machinery in agricultural machinery, in particular to a speed-adjustable precision corn seed metering device.
Background
The corn breeding level largely determines the corn yield, so the corn breeding effect is more remarkable, the breeding effect is greatly dependent on the performance of a seeder, and the development of corn breeding equipment conforming to modern breeding means is an inevitable trend of corn breeding mechanization development. In a corn breeding test, the planting density difference of different varieties is large, the germination rates are different, two-grain precision sowing is usually needed for seeds with low germination rates to ensure the number of seedlings in a test cell to meet the requirement of test precision, and the sowing machine is required to be capable of sowing a fixed amount of corn seeds in the cell according to the requirement of plant spacing, so that residual seeds are not left, and the seeds are not mixed with the seeds in the next cell. The conventional cell seeder has certain limitation, cannot perform precise seed metering, cannot completely clear residual seeds, and seriously influences the accuracy and the effect of a cell breeding test, so that a brand-new device is urgently needed to meet the requirement of corn breeding.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a speed-adjustable precision corn seed metering device, which can effectively control the seed spacing of the seeds and realize precision seeding and can thoroughly clear the rest seeds.
In order to achieve the purpose, the invention adopts the following technical scheme:
a speed-adjustable precision corn seed sowing device, which comprises a base, a shell and a protective shell, wherein the left side and the right side of the base are fixedly connected by bolts, an output shaft and a speed change gear are arranged in the protective shell, 5 gears with different sizes are arranged on the output shaft, the speed change device comprises a speed regulation handle, a support frame, a speed regulation shaft, a speed regulation gear on the speed regulation shaft, a middle shaft and a middle gear on the middle shaft, the speed regulating handle is fixed at the upper end of the supporting frame, the intermediate gear is respectively meshed with the speed regulating gear and the gear on the output shaft, the axes of the intermediate shaft and the speed regulating shaft are collinear in the vertical direction, and the two shafts are fixed on the same side of the supporting frame, the base is fixed on the output shaft through a bearing, a spoon-type seed metering disc, a seed separating disc and a seed guiding disc are sequentially arranged between the shell and the base from the shell inwards, a cavity for seeds to enter is arranged between the shell and the spoon-type seed metering disc, and the cavity is a seed chamber.
The number of teeth of the gears on the output shaft is 27, 25, 23, 21, 19 and 5 gears which are coaxially and adjacently arranged from inside to outside in sequence, and the rotating speed of the output shaft is controlled by changing the meshing of different gears and the intermediate gear. When a person pushes the vehicle wheels to move, the wheel shafts drive the speed regulating shafts to rotate through the chains, the speed regulating shafts drive the middle shafts to rotate through gear meshing, and the middle shafts drive the output shafts to rotate through gear meshing.
The shell and the base are respectively provided with 4 fixing pieces at the same positions on the side surfaces, the shell and the base are connected through bolts at the positions of the fixing pieces, and the fixing is carried out on the outer side, so that the operation of an internal device is not influenced.
The fixing pieces are unevenly welded and distributed on the side surfaces of the shell and the base, and a circular through hole is formed in the middle of the fixing pieces and used for a bolt to pass through.
A feed inlet connected with the seed box is formed in the outer side of the shell, an oval groove is formed in the lower portion of the feed inlet, seeds can conveniently enter the chamber inside the device during sowing, and the oval groove plays a role in buffering when the seeds enter the device; the shell lower part is equipped with the excess seed discharge port, and the inboard seed brush of scraping that is equipped with of upper portion, brush and the perpendicular laminating of seed guide dish can brush the unnecessary seed of adhesion on the seed guide dish when the seeding, can open the excess seed discharge port and pour unnecessary maize seed when needing to clear up the excess seed after the seeding is accomplished, avoids different district seeds to mix together.
12 spoon structures are uniformly distributed on the periphery of the spoon-type seed discharging disc, grooves of the spoon structures face the seed separating disc and are fixed with the seed guiding disc through screws, every two spoons correspond to the U-shaped grooves of the seed guiding disc, and the effect of fine sowing of two seeds can be achieved during sowing.
The seed guiding disc is sleeved on the output shaft and evenly provided with 6U-shaped grooves, every two scoops on the spoon-type disc correspond to 1U-shaped groove on the seed guiding disc, and the spoon-type seed discharging disc is matched to realize two-grain precision seeding.
The spoon-type seed discharging disc and the seed guiding disc coaxially rotate along with the output shaft, and when the seed discharging disc and the seed guiding disc rotate to a seed chamber, a spoon on the spoon-type disc stirs seeds and fills the seeds in a spoon structure.
The seed separating disc is positioned between the spoon type seed discharging disc and the seed guiding disc, a gap is arranged at the upper part of the seed separating disc, and the gap is positioned at the upper side of the central axis of the seed separating disc. Is supported by the edge of the base and is closely attached with the spoon of the spoon-type seed discharging plate and the seed guiding plate, and the seed separating plate does not rotate along with the rotation of the output shaft.
The lower part of the base is provided with a seed discharging port which is connected with a seed discharging pipe and used for sowing the corn seeds led out from the seed guiding plate.
According to the invention, two-seed precision sowing can be realized through the matching of the spoon type seed discharging disc, the seed separating disc and the seed guiding disc, redundant seeds are poured out by opening the redundant seed discharging port on the shell after sowing is finished, the redundant seeds remained in the seed guiding disc can be discharged through reversely rotating the output shaft, so that the residual seeds are effectively prevented, the row spacing is adjusted by the speed changing device according to different seed characteristics during sowing, the seeds are reasonably distributed in a small area, and the sowing efficiency is improved.
Drawings
FIG. 1 is a schematic view of the structure of the apparatus;
FIG. 2 is a front view of the present device;
FIG. 3 is a left side view of the present device;
FIG. 4 is a schematic structural diagram of a seed guide disc;
FIG. 5 is a rear view of the present device;
FIG. 6 is a schematic view of the speed adjusting device in cooperation with the output shaft;
wherein, 1, a shell; 2. a spoon-type seed discharging tray; 3. a seed separating disc; 4. a seed guiding disc; 5. a base; 6. a speed-regulating handle; 7. a speed regulating gear; 8. a support frame; 9. a speed regulating shaft; 10. an output shaft; 11. a protective shell; 12. a feeding port; 13. a residual seed discharge port; 14. a seed discharge port; 15, a U-shaped groove; 16. a fixing sheet; 17. an intermediate shaft; 18. a seed scraping brush.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1-3, a speed-adjustable precision corn seed-metering device comprises a base 5, a shell 1 and a protective shell 11, wherein the left side and the right side of the base are fixedly connected by bolts, an output shaft 10 and a speed-changing device are arranged in the protective shell 11, the speed-changing device comprises a speed-adjusting handle 6, a supporting frame 8, a speed-adjusting shaft 9, a speed-adjusting gear 7 thereon, an intermediate shaft 17 and an intermediate gear thereon, the speed-adjusting handle 6 is fixed at the upper end of the supporting frame 8, the intermediate gear is respectively engaged with the speed-adjusting gear 7 and the gear on the output shaft 10, the axis of the intermediate shaft 17 and the axis of the speed-adjusting shaft 9 are on the same vertical line, the two shafts are fixed at the same side of the supporting frame 8, the base 5 is fixed on the output shaft 10 through a bearing, a seed metering port 14 is arranged at the lower part of the base 5, the, A seed separating disc 3 and a seed guiding disc 4, and a cavity for storing corn seeds is arranged between the shell 1 and the spoon-type seed sowing disc 2, and the cavity is a seed chamber. The same positions of the side surfaces of the shell 1 and the base 5 are respectively provided with 4 fixing pieces 16, the two fixing pieces 16 are fixed by bolts, the outer side of the shell 1 is provided with a feed inlet 12 connected with the seed box, the lower part of the feed inlet 12 is provided with an oval groove, so that corn seeds can enter the device during sowing, the oval groove has a buffer effect on the seeds, the lower part of the shell 1 is provided with a residual seed outlet 13, the inner side of the upper part is provided with a seed scraping brush 18, the seed scraping brush 18 is vertically attached to the seed guiding disc 4, excess seeds adhered between the seed guide plate 4 and the seed separating plate 3 are brushed off during seeding, when the excess seeds need to be cleaned after the seeding is finished, the excess seeds are poured out by opening the excess seed discharge port 13 and enter the excess seeds of the seed guide plate, the speed regulating shaft, the intermediate shaft and the output shaft are driven to rotate by lifting the wheels and rotating, so that seeds with seeds are discharged from the seed discharging holes, and the seeds in different cells are prevented from being mixed together.
5 gears with different sizes are arranged on the output shaft 10, the number of the teeth of the gears is 27, 25, 23, 21 and 19 from inside to outside in sequence, the 5 gears are coaxially and adjacently arranged, and the rotating speed of the output shaft 10 is controlled by the meshing of the speed regulating gear 7 and the gear on the intermediate shaft 17; the speed change device comprises a speed regulation handle 6, a support frame 8, a speed regulation shaft 9, a speed regulation gear 7, an intermediate shaft 17 and an intermediate gear thereon, wherein the intermediate shaft 17 and the speed regulation shaft 9 are connected with the speed regulation handle 6 through the support frame 8, the intermediate gear is regulated through the speed regulation handle 6 to be meshed with different gears on an output shaft 10, the rotating speed of the output shaft 10 is changed on the premise of not changing the advancing speed, so that the rotating speeds of the spoon-type seed metering disc 2 and the seed guide disc 4 are controlled, the seeding frequency is controlled, namely, the accurate control of the seeding plant spacing is realized, and the requirements of seeding seeds with different germination rates are met.
12 spoon structures are uniformly distributed on the periphery of the spoon-type seed discharging disc 2, grooves of the spoon structures face the seed separating disc 3 and are fixed with the seed guiding disc 4 through screws, and every two spoon structures correspond to the same U-shaped groove 15 of the seed guiding disc 4; the seed guiding disc 4 is sleeved and fixed on an output shaft 10 and provided with 6U-shaped grooves 15, and when the output shaft 10 rotates, the seed guiding disc 4 and the spoon-type seed discharging disc 2 are driven to coaxially rotate together, so that seeds enter a seed chamber from the shell 1. The seed separating disc 3 is positioned between the spoon type seed discharging disc 2 and the seed guiding disc 4, a gap is arranged at the upper part of the seed separating disc 3, the gap is positioned at the upper side of the central axis of the seed separating disc 3, is supported by the edge of the base 5, and is tightly attached to the spoon structure of the spoon type seed discharging disc 2 and the seed guiding disc 4, the seed separating disc 3 does not rotate along with the rotation of the output shaft 10, and the gap provides the only passage for seeds to enter the seed guiding disc 4 from the spoon type seed discharging disc 2.
When the corn seed sowing device is used, the intermediate gear is adjusted to be meshed with the corresponding gear on the output shaft 10 through the speed adjusting handle 6 according to the row spacing and the sowing frequency required by different corn seeds, and when the wheels rotate, the rotating speed of the output shaft 10 can be adjusted to further control the rotating speed of the spoon type seed sowing disc 2 and the seed guiding disc 4, so that the sowing frequency is controlled. Seeds are added in the seed box and enter the seed chamber between the shell 1 and the spoon-type seed discharging disk 2 through the elliptical groove after entering the seed chamber from the feeding port 12 on the shell 1, at the moment, the output shaft 10 rotates to drive the spoon-type seed discharging disk 2 and the seed guiding disk 4 to rotate coaxially, the spoon structure of the spoon-type seed discharging disk 2 stirs the seeds in the seed chamber, seeds are filled into the spoon structure in the seed chamber, the seeds rotate along with the spoon structure, the seed separating disc 3 plays a role in stabilizing the corn seeds, when the seeds rotate to the position of the gap of the seed separating disc 3 along with the spoon structures, the seeds fall into the U-shaped groove of the seed guiding disc 4 under the action of gravity, every two adjacent spoon structures correspond to the same U-shaped groove, namely, when each U-shaped groove rotates to the gap, two corn seeds are filled in the U-shaped groove, and when the U-shaped groove rotates continuously, the seed guiding plate 4 drives seeds to enter the lower end of the base 5 and enter the seed discharging pipe through the seed discharging port 14, and the corn seeds are sowed.
When sowing, the seed scraping brush 18 in the shell 1 brushes off redundant corn seeds adhered to the seed guiding plate 4 at any time, so that the sowing quantity difference is prevented; after the seeding task of current district is accomplished, take off seed case, invert and incline the device to shell 1 one side, rotate the front wheel simultaneously and drive and rotate output shaft 10, can be with remaining the seed inside the device by seed metering mouth eduction gear, be convenient for carry out the seeding operation of next district. And when the next plot is sowed, the steps are repeated to realize the precision sowing of the seeds.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. A speed-adjustable precision corn seed-metering device comprises a base, a shell and a protective shell, wherein the left side and the right side of the base are fixedly connected by bolts, and the device is characterized in that an output shaft and a speed-changing device are arranged in the protective shell, 5 gears with different sizes are arranged on the output shaft, the speed-changing device comprises a speed-adjusting handle, a support frame, a speed-adjusting shaft, a speed-adjusting gear arranged on the speed-adjusting shaft, an intermediate shaft and an intermediate gear arranged on the intermediate shaft, the intermediate shaft is respectively meshed with the speed-adjusting gear and the gear on the output shaft, the axes of the intermediate shaft and the speed-adjusting shaft are in the same vertical direction, the two shafts are fixed on the same side of the support frame, the base is fixed on the output shaft through a bearing, a spoon-type seed-metering disc, a seed separating, the cavity is the chamber.
2. The adjustable speed corn seed metering device of claim 1, wherein the number of teeth of the gears on the output shaft is 27, 25, 23, 21, 19, 5 gears are coaxially and adjacently arranged from inside to outside in sequence, and the rotation speed of the output shaft is controlled by changing the meshing of different gears and the intermediate gear.
3. The adjustable speed corn seed metering device of claim 1, wherein the housing and the base have 4 fixing pieces at the same positions on the side surface, and the two are fixed by bolts at the fixing pieces.
4. The adjustable speed corn seed metering device of claim 3 wherein the anchor tabs are unevenly welded to the sides of the housing and base and have a circular through hole in the middle for a bolt to pass through.
5. The adjustable speed corn seed metering device as claimed in claim 1, wherein a feed inlet connected with the seed box is arranged outside the housing, and an elliptical groove is arranged at the lower part of the feed inlet; the lower part of the shell is provided with a residual seed outlet, the inner side of the upper part of the shell is provided with a seed scraping brush, and the seed scraping brush is vertically attached to the seed guiding disc.
6. The corn seed metering device with adjustable speed of claim 1, characterized in that 12 spoon structures are uniformly distributed along the edge of the spoon-type seed metering disc, the grooves of the spoon structures face the seed separating disc and are fixed with the seed guiding disc through screws.
7. The corn seed metering device with adjustable speed of claim 1, characterized in that the seed guiding disc is sleeved on the output shaft, 6U-shaped grooves are uniformly distributed along the edge, and each U-shaped groove respectively corresponds to two adjacent spoon structures of the spoon type seed metering disc.
8. The corn seed metering device with adjustable speed of claim 1, characterized in that the spoon-type seed metering disc and the seed guide disc rotate coaxially with the output shaft, and when the spoon-type seed metering disc rotates to a seed chamber, a spoon structure on the spoon-type seed metering disc stirs the seeds and fills the spoon structure with the seeds.
9. The corn seed metering device with adjustable speed of claim 1, characterized in that the upper part of the seed separating disc is provided with a gap which is positioned at the upper side of the central axis of the seed separating disc, is supported and fixed by the edge of the base, is closely attached with the spoon structure of the spoon type seed metering disc and the seed guiding disc, and the seed separating disc does not rotate along with the rotation of the output shaft.
10. The corn seed metering device with adjustable speed of claim 1, characterized in that the lower part of the base is provided with a seed metering opening which is connected with a seed metering pipe and used for seeding the corn seeds guided out from the seed guiding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666634.6A CN111903287A (en) | 2020-07-13 | 2020-07-13 | Speed-adjustable precision corn seed metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666634.6A CN111903287A (en) | 2020-07-13 | 2020-07-13 | Speed-adjustable precision corn seed metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111903287A true CN111903287A (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010666634.6A Pending CN111903287A (en) | 2020-07-13 | 2020-07-13 | Speed-adjustable precision corn seed metering device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201504407U (en) * | 2009-10-16 | 2010-06-16 | 张家辉 | Bucket wheel-type seeding mechanism with speed changing mechanism |
| CN201629979U (en) * | 2010-01-27 | 2010-11-17 | 于永良 | Seed spoon type mechanical accurate dibber |
| CN202679949U (en) * | 2012-05-30 | 2013-01-23 | 王伟 | Seeding apparatus for sowing corn seeds and precision planter using same |
| CN105123046A (en) * | 2015-07-17 | 2015-12-09 | 滁州学院 | Hole-distance-controllable air-suction-type peanut hole-seeding wheel |
| CN106105510A (en) * | 2016-06-22 | 2016-11-16 | 中国农业大学 | A kind of Anti-inclining spoon formula corn precise quatity feed run and seed feeding method thereof |
| CN208175280U (en) * | 2018-04-18 | 2018-12-04 | 青岛农业大学 | Electric-controlled type ridging precision drilling all-in-one machine |
| CN110771314A (en) * | 2019-11-30 | 2020-02-11 | 何堤 | Seed sowing device |
-
2020
- 2020-07-13 CN CN202010666634.6A patent/CN111903287A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201504407U (en) * | 2009-10-16 | 2010-06-16 | 张家辉 | Bucket wheel-type seeding mechanism with speed changing mechanism |
| CN201629979U (en) * | 2010-01-27 | 2010-11-17 | 于永良 | Seed spoon type mechanical accurate dibber |
| CN202679949U (en) * | 2012-05-30 | 2013-01-23 | 王伟 | Seeding apparatus for sowing corn seeds and precision planter using same |
| CN105123046A (en) * | 2015-07-17 | 2015-12-09 | 滁州学院 | Hole-distance-controllable air-suction-type peanut hole-seeding wheel |
| CN106105510A (en) * | 2016-06-22 | 2016-11-16 | 中国农业大学 | A kind of Anti-inclining spoon formula corn precise quatity feed run and seed feeding method thereof |
| CN208175280U (en) * | 2018-04-18 | 2018-12-04 | 青岛农业大学 | Electric-controlled type ridging precision drilling all-in-one machine |
| CN110771314A (en) * | 2019-11-30 | 2020-02-11 | 何堤 | Seed sowing device |
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Application publication date: 20201110 |
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