CN107750549B - Conveying belt seed metering evenness device - Google Patents
Conveying belt seed metering evenness device Download PDFInfo
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- CN107750549B CN107750549B CN201711246998.3A CN201711246998A CN107750549B CN 107750549 B CN107750549 B CN 107750549B CN 201711246998 A CN201711246998 A CN 201711246998A CN 107750549 B CN107750549 B CN 107750549B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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Abstract
The invention discloses a conveyor belt seed metering uniformity machine, which comprises a seed box, a protecting cover, a conveying part, a seed cleaning part and a seed throwing part, wherein a baffle plate is arranged above an outlet at the bottom of the seed box; the seed feeding part comprises a seed feeding wheel, the rubber conveyer belt spans the main conveyer belt transmission wheel, the secondary conveyer belt transmission wheel and the seed feeding wheel to form a conveying stroke of seeds, a plurality of obliquely arranged seed sowing teeth are uniformly distributed on the circumferential surface of the outer side of the rubber conveyer belt, and a hole for storing the seeds is formed between two adjacent seed sowing teeth; the seed cleaning part comprises a rubber seed cleaning wheel, a seed cleaning driving sprocket, a seed cleaning driven sprocket and a seed cleaning wheel chain; the main driving wheel of the conveying belt and the seed cleaning driving sprocket are coaxially connected with the sprocket of the seed sowing device, and the sprocket of the seed sowing device is driven by the power of the seeder to be used as a power source of the whole evenness device.
Description
Technical Field
The invention relates to a conveyor belt seed metering evenness device, and belongs to the technical field of agriculture.
Background
Heretofore, no seed metering device used by sowing machinery in domestic agricultural production, whether a mechanical seed metering device or a pneumatic seed metering device, adopts two modes of direct discharge or seed adding and guiding pipes in a seed feeding mode. The seed feeding height is high (the seed feeding height of the direct-discharge type seed feeding pipe is more than 150 mm, and the seed feeding height of the seed feeding pipe is more than 400 mm), so that the vertical speed of seeds is too high when the seeds fall into the bottom of a ditch, and the seeds collide with soil particles to bounce, so that the uniformity of seed distribution is seriously affected. In addition, the seed sowing uniformity is affected by the influence of wind power, collision with the wall of the seed guiding pipe and the like due to the high seed sowing height.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a conveyor belt seeding uniformity machine capable of effectively improving seeding uniformity to improve crop yield.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a conveyer belt seed metering evenness ware which characterized in that: the seed feeding device comprises a seed box, a protecting cover, a conveying part, a seed cleaning part and a seed feeding part, wherein a partition plate is arranged above an outlet at the bottom of the seed box, a seed inlet is formed in the side wall of the partition plate, the protecting cover is connected with the bottom of the seed box, and the conveying part, the seed cleaning part and the seed feeding part are all arranged in the protecting cover;
the seed sowing device comprises a seed sowing part, a seed sowing part and a seed sowing part, wherein the seed sowing part comprises a rubber conveying belt, a conveying belt main driving wheel and a conveying belt auxiliary driving wheel, the conveying belt main driving wheel and the conveying belt auxiliary driving wheel are respectively arranged at the upper and lower positions of the bottom outlet of a seed sowing box, the rubber conveying belt between the conveying belt main driving wheel and the conveying belt auxiliary driving wheel is a straight conveying section inclined upwards, the seed sowing box is communicated with the straight conveying section through a seed inlet, the seed sowing wheel is arranged at the bottom outlet of a protecting cover, the rubber conveying belt spans the conveying belt main driving wheel, the conveying belt auxiliary driving wheel and the seed sowing wheel to form a conveying stroke of seeds, a plurality of seed sowing teeth which are inclined are uniformly distributed on the circumferential surface of the outer side of the rubber conveying belt, and seed storage holes are formed between two adjacent seed sowing teeth;
the seed cleaning part comprises a rubber seed cleaning wheel, a seed cleaning driving sprocket, a seed cleaning driven sprocket and a seed cleaning wheel chain; the seed cleaning driving sprocket is connected with the seed cleaning driven sprocket through the seed cleaning wheel chain, the seed cleaning driven sprocket is coaxially connected with the rubber seed cleaning wheel, and the rubber seed cleaning wheel is tangentially arranged with a rubber conveying belt positioned above the bottom outlet of the seed box;
the main transmission wheel of the conveying belt and the seed cleaning driving sprocket are coaxially connected with the sprocket of the seed sowing device, and the sprocket of the seed sowing device is driven by the power of the seeder to serve as a power source of the whole evenness device.
The conveying part further comprises a tensioning wheel, the tensioning wheel is arranged on the rubber conveying belt between the conveying belt secondary driving wheel and the seed feeding wheel, and the tensioning wheel is used for adjusting the tensioning degree of the rubber conveying belt.
Conical pits are arranged in holes on the outer circumferential surface of the rubber conveyor belt, tooth-shaped structures are arranged on the inner circumferential surface of the rubber conveyor belt at intervals, and the main driving wheel of the conveyor belt, the secondary driving wheel of the conveyor belt, the tensioning wheel and the seed feeding wheel are tooth-shaped wheels and are in meshed connection with the rubber conveyor belt.
The protecting cover comprises a front protecting cover and a rear protecting cover, wherein the front protecting cover is fixedly connected with the bottom of the seed box, and the rear protecting cover is detachably connected with the front protecting cover and the seed box.
The rubber conveyer belt is an annular belt, the rubber conveyer belt is supported and driven by the main conveyer belt driving wheel and the conveyer belt from the driving wheel and the seed feeding wheel to form a circulating seed conveying stroke, seed charging, seed cleaning, seed protection, conveying and seed feeding are completed at one time in the circulating rotation process, and the height of the rubber conveyer belt for seed feeding through the bottom outlet of the protecting cover is 4 cm.
Three fixed shaft sleeves connected with the frame of the seeder are arranged on the protecting cover and penetrate through two side walls of the protecting cover.
The invention adopts the technical proposal, and has the following advantages: 1. the seed box is connected with the protecting cover, the conveying part, the seed cleaning part and the seed throwing part are arranged in the protecting cover, the chain wheel of the seed sowing device is driven by the power of the seeder to serve as a power source of the whole seed evenness device, the seed filling, the seed cleaning and the seed throwing of the whole conveying belt seed evenness device are completed on the rubber conveying belt of the conveying part, the rubber seed cleaning wheel of the seed cleaning part cleans excessive seeds in holes on the rubber conveying belt, and the seed throwing part throws seeds at the position 4cm away from a seed groove, so that the problem that the seeding uniformity is reduced due to the high seed throwing height, the influence of wind force and the collision factor with the wall of a seed guiding pipe in the prior art can be solved, the seeding uniformity is effectively improved, and the crop yield is improved. 2. The conical pits are arranged in the holes on the outer circumferential surface of the rubber conveying belt, so that seeds are stably conveyed by the rubber conveying belt, and seeds are prevented from being separated from the holes to influence sowing uniformity. 3. The protecting cover is divided into the front part and the rear part, and the rear protecting cover is detachably connected with the seed box and the front protecting cover, so that the maintenance of the whole evenness device is more convenient, and the sowing efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic left-hand view of the present invention;
fig. 3 is a schematic view of the structure of the conveyor belt of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-3, the invention provides a conveyor belt seed metering uniformity machine, which comprises a seed box 1, a protecting cover 2, a conveying part, a seed cleaning part and a seed throwing part, wherein a partition plate is arranged above an outlet at the bottom of the seed box 1, a seed inlet 12 is arranged on the side wall of the partition plate, the protecting cover 2 is connected with the bottom of the seed box 1, and the conveying part, the seed cleaning part and the seed throwing part are all arranged in the protecting cover 2; the seed feeding part comprises a seed feeding wheel 11, the seed feeding part comprises a rubber conveying belt 3, a conveying belt main driving wheel 4, a conveying belt auxiliary driving wheel 5 and a tensioning wheel 6, the conveying belt main driving wheel 4 and the conveying belt auxiliary driving wheel 5 are respectively arranged at the upper and lower positions of the bottom outlet of the seed box 1, the rubber conveying belt 3 between the conveying belt main driving wheel 4 and the conveying belt auxiliary driving wheel 5 is a straight conveying section which is inclined upwards, the seed box 1 is communicated with the conveying section through a seed inlet 12, the seed feeding wheel 11 is arranged at the bottom outlet of the protecting cover 2, the rubber conveying belt 3 spans the conveying belt main driving wheel 4, the conveying belt auxiliary driving wheel 5 and the seed feeding wheel 11 to form a conveying stroke of seeds, and the tensioning wheel 6 which can adjust the tensioning degree of the rubber conveying belt 3 between the conveying belt auxiliary driving wheel 5 and the seed feeding wheel 11 is arranged on the rubber conveying belt 3; a plurality of inclined sowing teeth 31 are uniformly distributed on the circumferential surface of the outer side of the rubber conveyer belt 3, and holes for storing seeds are formed between two adjacent sowing teeth 31; the seed cleaning part comprises a rubber seed cleaning wheel 7, a seed cleaning driving chain wheel 8, a seed cleaning driven chain wheel 9 and a seed cleaning wheel chain 10; the main transmission wheel 4 of the conveying belt and the seed cleaning driving chain wheel 8 are coaxially connected with the seed metering device chain wheel 13, the seed cleaning driving chain wheel 8 is connected with the seed cleaning driven chain wheel 9 through the seed cleaning chain wheel 10, the seed cleaning driven chain wheel 9 is coaxially connected with the rubber seed cleaning wheel 7, the rubber seed cleaning wheel 7 is tangentially arranged with the rubber conveying belt 3 above the bottom outlet of the seed box 1, and the seed metering device chain wheel 13 is driven by the power of the seeder to serve as a power source of the whole evenness device.
Further, conical pits are arranged in the profile holes on the outer circumferential surface of the rubber conveyer belt 3, so that seeds are guaranteed to be filled into the holes and stably transported to the bottom outlet of the protecting cover 2 for seed feeding, tooth-shaped structures are arranged on the inner circumferential surface of the rubber conveyer belt 3 at intervals, and the main conveyer belt driving wheel 4 and the auxiliary conveyer belt driving wheel 5, the tensioning wheel 6 and the seed feeding wheel 11 are tooth-shaped wheels and are meshed and connected with the rubber conveyer belt 3.
Further, the protecting cover 2 comprises a front protecting cover 21 and a rear protecting cover 22, the front protecting cover 21 is fixedly connected with the bottom of the seed box 1, and the rear protecting cover 22 is detachably connected with the front protecting cover 21 and the seed box 1, so that when a problem occurs in the interior of the evenness device, the rear protecting cover 22 can be detached for maintenance, the maintenance of the evenness device is more convenient, and the sowing efficiency is improved.
Further, three fixing bushings 14 are provided on the protecting cover 2 and pass through both side walls of the protecting cover 2 to facilitate connection of the homogenizer with the frame of the planter.
Further, the rubber conveyer belt 3 is an annular belt, the rubber conveyer belt 3 is supported and driven by the conveyer belt main driving wheel 4 and the conveyer belt secondary driving wheel 5 and the seed feeding wheel 11 to form a circulating seed conveying stroke, seed charging, seed cleaning, seed protection, conveying and seed feeding are completed at one time in the circulating rotation process, and the height of the rubber conveyer belt 3 for seed feeding through the bottom outlet of the protecting cover 2 is only 4 cm.
The working process of the invention is as follows: when the traction seeder works, power is transmitted to a seed sowing device chain wheel 13 through each transmission chain wheel through the rotation of the seeder land wheel, the seed sowing device chain wheel 13 rotates to drive a conveying belt main driving wheel 4 and a seed cleaning driving chain wheel 8 to rotate, the conveying belt main driving wheel 4 rotates anticlockwise (as shown in figure 1) to drive a conveying belt to rotate from a driving wheel 5 and a seed throwing wheel 11, so that the rubber conveying belt 3 is driven to move anticlockwise, seeds in a seed box 1 enter an upwards inclined linear conveying section of the rubber conveying belt 3 through a seed inlet 12, the seeds in the conveying section are rapidly filled into a hole under the action of gravity and the action of inclined seed sowing teeth 31 of the rubber conveying belt 3, when the rubber conveying belt 3 moves into a rotating area of the rubber seed cleaning wheel 7 along with redundant seeds in the filled hole and the outer edge of the hole, due to the anticlockwise rotation of the seed cleaning driving chain wheel 8, the seed cleaning driven sprocket 9 is driven to rotate anticlockwise, the seed cleaning driven sprocket 9 is coaxially connected with the rubber seed cleaning wheel 7, the rubber seed cleaning wheel 7 rotates anticlockwise (as shown in figure 1), the rubber seed cleaning wheel 7 brushes redundant seeds at the outer edge of the shaped hole back to the bottom of the seed box 1 at a linear speed which is 4 times higher than the movement speed of the rubber conveying belt 3, one seed left in the hole cleaned by the rubber seed cleaning wheel 7 is always protected by the shaped hole on the rubber conveying belt 3 to be delivered to the lowest part of the seed feeding wheel 11 and discharged from the bottom outlet of the protecting cover 2, seeds are fed at a position 4cm away from a seed groove, the seed feeding height is greatly reduced, and before seed feeding, the seeds are all in the holes, so that the uniformity of the seeds is maintained without being influenced by external factors, the problem of poor sowing uniformity caused by overhigh seed feeding height or interference of seed guiding pipes is truly solved, improves the seeding uniformity and achieves the aim of increasing the yield of crops.
The present invention has been described with reference to the above embodiments, and the structure, arrangement and connection of the components may be varied. On the basis of the technical scheme, the improvement or equivalent transformation of the individual components according to the principles of the invention should not be excluded from the protection scope of the invention.
Claims (4)
1. The utility model provides a conveyer belt seed metering evenness ware which characterized in that: the seed feeding device comprises a seed box, a protecting cover, a conveying part, a seed cleaning part and a seed feeding part, wherein a partition plate is arranged above an outlet at the bottom of the seed box, a seed inlet is formed in the side wall of the partition plate, the protecting cover is connected with the bottom of the seed box, and the conveying part, the seed cleaning part and the seed feeding part are all arranged in the protecting cover;
the seed feeding part comprises seed feeding wheels, the main belt driving wheel and the auxiliary belt driving wheel are respectively arranged at the upper and lower positions of the bottom outlet of the seed box, the rubber conveying belt between the main belt driving wheel and the auxiliary belt driving wheel is an upward inclined linear conveying section, the seed box is communicated with the linear conveying section through the seed inlet, the seed feeding wheels are arranged at the bottom outlet of the protecting cover, the rubber conveying belt spans the conveying belt main driving wheel, the conveying belt is driven by the driving wheel and the seed feeding wheels to form a conveying path of seeds, a plurality of inclined seed sowing teeth are uniformly distributed on the circumferential surface of the outer side of the rubber conveying belt, and seed storage holes are formed between two adjacent seed sowing teeth;
the seed cleaning part comprises a rubber seed cleaning wheel, a seed cleaning driving sprocket, a seed cleaning driven sprocket and a seed cleaning wheel chain; the seed cleaning driving sprocket is connected with the seed cleaning driven sprocket through the seed cleaning wheel chain, the seed cleaning driven sprocket is coaxially connected with the rubber seed cleaning wheel, and the rubber seed cleaning wheel is tangentially arranged with a rubber conveying belt positioned above the bottom outlet of the seed box;
the main transmission wheel of the conveying belt and the seed cleaning driving sprocket are coaxially connected with the sprocket of the seed sowing device, and the sprocket of the seed sowing device is driven by the power of the seed sowing machine to be used as a power source of the whole evenness device;
the protecting cover comprises a front protecting cover and a rear protecting cover, the front protecting cover is fixedly connected with the bottom of the seed box, and the rear protecting cover is detachably connected with the front protecting cover and the seed box;
the rubber conveyer belt is an annular belt, the rubber conveyer belt is supported by the main conveyer belt driving wheel and the conveyer belt from the driving wheel and the seed feeding wheel and drives the seed conveying stroke forming a circulation, the seed charging, seed cleaning, seed protection, conveying and seed feeding are completed at one time in the circulation rotation process, and the height of the rubber conveyer belt for seed feeding through the bottom outlet of the protecting cover is 4 cm.
2. A conveyor belt seeding uniformity machine as claimed in claim 1 wherein: the conveying part further comprises a tensioning wheel, the tensioning wheel is arranged on the rubber conveying belt between the conveying belt secondary driving wheel and the seed feeding wheel, and the tensioning wheel is used for adjusting the tensioning degree of the rubber conveying belt.
3. A conveyor belt seeding uniformity machine as claimed in claim 2 wherein: conical pits are arranged in holes on the outer circumferential surface of the rubber conveyor belt, tooth-shaped structures are arranged on the inner circumferential surface of the rubber conveyor belt at intervals, and the main driving wheel of the conveyor belt, the secondary driving wheel of the conveyor belt, the tensioning wheel and the seed feeding wheel are tooth-shaped wheels and are in meshed connection with the rubber conveyor belt.
4. A conveyor belt seeding uniformity machine as claimed in claim 1 wherein: three fixed shaft sleeves connected with the frame of the seeder are arranged on the protecting cover and penetrate through the two side walls of the protecting cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246998.3A CN107750549B (en) | 2017-12-01 | 2017-12-01 | Conveying belt seed metering evenness device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246998.3A CN107750549B (en) | 2017-12-01 | 2017-12-01 | Conveying belt seed metering evenness device |
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| Publication Number | Publication Date |
|---|---|
| CN107750549A CN107750549A (en) | 2018-03-06 |
| CN107750549B true CN107750549B (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711246998.3A Active CN107750549B (en) | 2017-12-01 | 2017-12-01 | Conveying belt seed metering evenness device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110024531B (en) * | 2019-05-27 | 2022-02-11 | 西北农林科技大学 | Single-grain wheat ear amount dibbling device and method |
| CN113826468B (en) * | 2021-09-15 | 2023-03-14 | 新疆农垦科学院 | Crawler-type high-speed sowing or seed-metering method and device and seeder formed by same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6463866B2 (en) * | 1999-12-08 | 2002-10-15 | Edward Huffmeyer | Apparatus for varying the rate of seed population |
| CN203912521U (en) * | 2014-05-13 | 2014-11-05 | 上海向明机械有限公司 | A kind of seeding Seeding box |
| CN207573891U (en) * | 2017-12-01 | 2018-07-06 | 中国农业科学院作物科学研究所 | A kind of conveyer belt seeding evenness device |
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