CN111788911A - Spiral conical tooth seed metering device - Google Patents
Spiral conical tooth seed metering device Download PDFInfo
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- CN111788911A CN111788911A CN202010874941.3A CN202010874941A CN111788911A CN 111788911 A CN111788911 A CN 111788911A CN 202010874941 A CN202010874941 A CN 202010874941A CN 111788911 A CN111788911 A CN 111788911A
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- seed
- wheel
- guiding
- metering
- end cover
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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)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The utility model provides a spiral awl tooth seed metering ware, belong to agricultural machinery seeding machinery technical field, structurally by the casing, block the wheel end cover, the seed metering axle, clear kind of device, the seed metering wheel, first retaining ring, seed metering wheel end cover, block the wheel, seed guide device, protect the blank, second retaining ring and belt are connected and are constituteed, its simple structure, the theory of operation is clear, the seed falls into by the seed metering mouth and fills kind of district, the seed metering axle drives spiral awl tooth seed metering wheel rotatory, protect blank and closely laminate with spiral awl tooth seed wheel profile surface, the seed metering wheel rotates to the district that falls, the seed gets into seed guide device, the seed falls into seed guide groove, seed guide action wheel drives seed guide action wheel belt through the seed metering axle, the seed in the seed guide groove arrives the position of throwing under the drive of seed guide conveyer belt, the seed falls into kind of ditch under the effect of gravity. The invention is convenient for seed filling, improves the seed discharging uniformity and effectively overcomes the problem of pulsation, the device is provided with the belt type conveying seed guide device, the uniform and accurate seed spacing after seed feeding can be ensured, and the qualification rate of the seed spacing is greatly improved.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery seeding machinery, relates to a seed sowing device, and particularly relates to a spiral conical tooth seed sowing device.
Background
The seed metering device is a core component of the seeding machine and is a main factor for determining the characteristics and the seeding quality of the seeding machine. The quality of the working performance of the seeding apparatus directly influences the working efficiency of the seeding machine and the quality of the seedling emergence of crops. The outer grooved wheel type seed sowing device is the most commonly used seed sowing device on the current sowing machine, and has the advantages of simple structure, good universality, stable sowing quantity and the like, but the outer grooved wheel type seed sowing device stirs seeds to force seed sowing when the grooved wheels rotate, the grooved wheels rotate to the grooves to discharge more seeds, and the ridges are less, so the seed flow is in a pulsation phenomenon, and the uniformity of the seed sowing is influenced.
In addition, when seeds are separated from the seed sowing device, the seeds fall freely in the seed guiding pipe under the action of gravity, and in the process, the seeds are inevitably disturbed by airflow and have the phenomena of collision, bounce, friction and the like, so that the uniformity of initial throwing of the seeds from the seed sowing device is changed by the factors, the phenomena of uneven drop points and uneven plant spacing occur after the seeds are separated from the seed guiding pipe, and the growth of crops is influenced to a certain extent.
Disclosure of Invention
The invention aims to provide a spiral conical tooth seed sowing device aiming at the defects in the prior art, wherein the spiral groove structure of the seed sowing wheel can reduce the phenomenon of seed sowing pulse, effectively improve the seed sowing uniformity of the seed sowing device, ensure the uniform and accurate seed spacing after seed feeding and improve the qualification rate of the seed spacing.
The technical scheme of the invention is as follows: a spiral cone tooth seed metering device is characterized in that: the seed sowing device is formed by connecting a shell, a blocking wheel end cover, a seed sowing shaft, a seed cleaning device, a seed sowing wheel, a first check ring, a seed sowing wheel end cover, a blocking wheel, a seed guiding device, a seed protecting plate, a second check ring and a belt; seed metering wheel sets up the middle part position of casing, the top of seed metering wheel is equipped with the seed metering mouth, the seed metering axle sets up in the shaft hole of seed metering wheel, the one end of seed metering axle is connected with outside motor drive, clear kind of device comprises clear kind brush and connecting plate, clear kind of brush passes through connecting plate and casing fixed connection, it sets up to lead kind of device the below of seed metering wheel, lead kind of device by left end lid, right-hand member lid, lead kind of action wheel, lead kind from the driving wheel, lead kind conveyer belt, lead kind baffle, lead kind conveyer belt envelopment in lead kind action wheel and lead kind from the driving wheel, the equidistance is equipped with a plurality of kinds of baffles of leading on the kind conveyer belt, and is adjacent form between the kind baffle and lead kind of groove, lead kind of action wheel pass through driving belt with the seed metering axle drive is connected.
The first retainer ring is connected with the end cover of the seed sowing wheel in a matching way, the second retainer ring is connected with the end cover of the blocking wheel in a matching way, and the end cover of the blocking wheel and the end cover of the seed sowing wheel are fixed on the shell through bolts.
The left side of the seed protection plate is fixed inside the shell, and the inside of the right side of the seed protection plate is tightly attached to the outer contour surface of the seed sowing wheel, so that seed leakage is prevented.
The seed sowing wheel is of a spiral bevel gear structure.
The connecting plate is L-shaped and is fixedly connected with the shell through bolts.
The invention has the beneficial effects that: the invention provides a spiral conical tooth seed sowing device which structurally comprises a shell, a blocking wheel end cover, a seed sowing shaft, a seed cleaning device, a seed sowing wheel, a first retaining ring, a seed sowing wheel end cover, a blocking wheel, a seed guiding device, a seed protecting plate, a second retaining ring and a belt, wherein the spiral conical tooth seed sowing device is simple in structure and clear in working principle, seeds fall into a seed filling area from a seed sowing port, the seed sowing shaft drives the spiral conical tooth seed sowing wheel to rotate, the seed cleaning brush removes redundant seeds, the seed protecting plate is tightly attached to the outer contour surface of the spiral conical tooth seed sowing wheel, the seed feeding effect is high, then the seed sowing wheel rotates to a seed falling area, the seeds enter the seed guiding device, then the seeds fall into a seed guiding groove, the seed guiding driving wheel drives the seed guiding driving wheel belt through the seed sowing shaft to drive a seed guiding driving wheel rotating shaft to rotate, the seed guiding driving wheel further drives a seed guiding driven wheel, and the seeds in the seed guiding groove reach, the seeds fall into the seed furrow under the action of gravity. The spiral cone tooth structure is adopted, the seed filling area is in a spiral funnel shape, the seed filling is facilitated, the seeding uniformity is improved, the problem of pulsation is effectively solved, the belt type conveying and seed guiding device is arranged, the uniform and accurate planting distance after seed feeding can be ensured, and the qualification rate of the planting distance of the seeds is greatly improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a sectional structure view along the direction A-A in fig. 1.
In the figure: the seed sowing device comprises a shell 1, a blocking wheel end cover 2, a seed sowing shaft 3, a seed clearing device 4, a seed clearing brush 4-1, a connecting plate 4-2, a seed sowing wheel 5, a first retainer ring 6, a seed sowing wheel end cover 7, a blocking wheel 8, a seed guiding device 9, a seed protecting plate 10, a seed sowing port 11, a second retainer ring 12, a driving sheet belt 15, a driving wheel rotating shaft 16, a seed guiding groove 17, a seed guiding driving wheel 18, a seed guiding conveying belt 19, a seed guiding partition plate 20 and a seed guiding driven wheel 21.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-2, a spiral bevel-tooth seed sowing device is composed of a shell 1, a blocking wheel end cover 2, a seed sowing shaft 3, a seed cleaning device 4, a seed sowing wheel 5, a first retainer ring 6, a seed sowing wheel end cover 7, a blocking wheel 8, a seed guiding device 9, a seed protecting plate 10, a second retainer ring 12 and a transmission belt 15 which are connected; the seed sowing wheel 5 is arranged in the middle of the shell 1, a seed sowing port 11 is arranged above the seed sowing wheel 5, the seed sowing shaft 3 is arranged in a shaft hole of the seed sowing wheel 5, one end of the seed sowing shaft 3 is in transmission connection with an external motor, the seed cleaning device 4 is composed of a seed cleaning brush 4-1 and a connecting plate 4-2, the seed cleaning brush 4-1 is fixedly connected with the shell 1 through the connecting plate 4-2, the seed guiding device 9 is arranged below the seed sowing wheel 5, the seed guiding device 9 is composed of a left end cover 14, a right end cover 13 and a seed guiding driving wheel 18, the seed guiding driven wheel 21, the seed guiding conveyor belt 19 and the seed guiding partition plates 20, the seed guiding conveyor belt 19 is enveloped on the seed guiding driving wheel 18 and the seed guiding driven wheel 21, a plurality of seed guiding partition plates 20 are equidistantly arranged on the seed guiding conveyor belt 19, a seed guiding groove 17 is formed between every two adjacent seed guiding partition plates 20, and the seed guiding driving wheel 18 is in transmission connection with the seed sowing shaft 3 through a transmission belt 15.
As shown in fig. 1-2, a spiral bevel gear seed sowing device, a first retainer ring 6 is connected with a seed sowing wheel end cover 7 in a matching way, a second retainer ring 12 is connected with a blocking wheel end cover 2 in a matching way, and the blocking wheel end cover 2 and the seed sowing wheel end cover 7 are both fixed on a shell 1 through bolts; the left side of the seed protection plate 10 is fixed in the shell 1, and the right side of the seed protection plate is tightly attached to the outer contour surface of the seed sowing wheel 5, so that seed leakage is prevented; the seed sowing wheel 5 is of a spiral bevel gear structure; the connecting plate 4-2 is L-shaped, and the connecting plate 4-2 is fixedly connected with the shell 1 through bolts.
As shown in fig. 1-2, the working principle of a spiral conical tooth seed discharger is as follows: during operation, seeds fall into a seed filling area through a seed discharging opening 11, a seed discharging shaft 3 drives a spiral bevel gear seed discharging wheel 5 to rotate, a seed cleaning brush 4-1 brushes off redundant seeds, a seed protecting plate 10 is tightly attached to the outline surface of the spiral bevel gear seed discharging wheel 5, the seed feeding effect is improved, the seed discharging wheel 5 rotates to a seed falling area, the seeds enter a seed guiding device 9, the seeds fall into a seed guiding groove 17, a seed guiding driving wheel 18 drives a seed guiding driving wheel belt 16 through the seed discharging shaft 3, so that a seed guiding driving wheel rotating shaft 16 is driven to rotate, the seed guiding driving wheel 18 further drives a seed guiding driven wheel 21, the seeds in the seed guiding groove 17 reach a seed feeding position under the driving of a seed guiding conveying belt 19, and the seeds fall into a seed ditch under the action of gravity.
Claims (5)
1. A spiral cone tooth seed metering device is characterized in that: the seed sowing device is formed by connecting a shell (1), a blocking wheel end cover (2), a seed sowing shaft (3), a seed cleaning device (4), a seed sowing wheel (5), a first retainer ring (6), a seed sowing wheel end cover (7), a blocking wheel (8), a seed guiding device (9), a seed protecting plate (10), a second retainer ring (12) and a transmission belt (15); the seed metering wheel (5) is arranged in the middle of the shell (1), a seed metering opening (11) is arranged above the seed metering wheel (5), the seed metering shaft (3) is arranged in a shaft hole of the seed metering wheel (5), one end of the seed metering shaft (3) is in transmission connection with an external motor, the seed cleaning device (4) is composed of a seed cleaning brush (4-1) and a connecting plate (4-2), the seed cleaning brush (4-1) is fixedly connected with the shell (1) through the connecting plate (4-2), the seed guiding device (9) is arranged below the seed metering wheel (5), the seed guiding device (9) is composed of a left end cover (14), a right end cover (13), a seed guiding driving wheel (18), a seed guiding driven wheel (21), a seed guiding conveying belt (19) and a seed guiding partition plate (20), and the seed guiding conveying belt (19) is enveloped on the seed guiding driving wheel (18) and the seed guiding driven wheel (21), a plurality of seed guiding partition plates (20) are equidistantly arranged on the seed guiding conveying belt (19), a seed guiding groove (17) is formed between every two adjacent seed guiding partition plates (20), and a seed guiding driving wheel (18) is in transmission connection with the seed sowing shaft (3) through a transmission belt (15).
2. A spiral bevel-tooth seed expeller according to claim 1, characterised in that: the first retainer ring (6) is connected with the seed sowing wheel end cover (7) in a matching mode, the second retainer ring (12) is connected with the blocking wheel end cover (2) in a matching mode, and the blocking wheel end cover (2) and the seed sowing wheel end cover (7) are fixed on the shell (1) through bolts.
3. A spiral bevel-tooth seed expeller according to claim 1, characterised in that: the left side of the seed protection plate (10) is fixed inside the shell (1), and the inside of the right side is tightly attached to the outer contour surface of the seed sowing wheel (5) to prevent seed leakage.
4. A spiral bevel-tooth seed expeller according to claim 1, characterised in that: the seed sowing wheel (5) is of a spiral bevel gear structure.
5. A spiral bevel-tooth seed expeller according to claim 1, characterised in that: the connecting plate (4-2) is L-shaped, and the connecting plate (4-2) is fixedly connected with the shell (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874941.3A CN111788911A (en) | 2020-08-27 | 2020-08-27 | Spiral conical tooth seed metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874941.3A CN111788911A (en) | 2020-08-27 | 2020-08-27 | Spiral conical tooth seed metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111788911A true CN111788911A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010874941.3A Pending CN111788911A (en) | 2020-08-27 | 2020-08-27 | Spiral conical tooth seed metering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111788911A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB765024A (en) * | 1954-03-09 | 1957-01-02 | Stokland Sigmund | Improvements in or relating to seed-sowers |
| CN201323749Y (en) * | 2008-09-08 | 2009-10-14 | 马卫平 | Internal seed filling air-suction seed metering device |
| CN102598924A (en) * | 2012-03-15 | 2012-07-25 | 中国农业大学 | Seed sowing-metering device for forage plots |
| CN102792808A (en) * | 2012-09-11 | 2012-11-28 | 东北农业大学 | Vertical seed-metering disc capable of utilizing gravities for seed filling |
| CN205755455U (en) * | 2016-05-20 | 2016-12-07 | 华南农业大学 | A kind of Oryza sativa L. spiral feed mechanism for seed |
| CN107079639A (en) * | 2017-05-12 | 2017-08-22 | 东北农业大学 | Centrifuge cone disk type high speed seeding monomer |
| CN109496505A (en) * | 2018-11-13 | 2019-03-22 | 山东理工大学 | Precise seeder is used in the wide seedling band sowing of fine grain seed |
| CN110710361A (en) * | 2019-11-15 | 2020-01-21 | 南京农业大学 | Pocket wheel type seed metering device supporting accurate wheat seeding and seeding method thereof |
-
2020
- 2020-08-27 CN CN202010874941.3A patent/CN111788911A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB765024A (en) * | 1954-03-09 | 1957-01-02 | Stokland Sigmund | Improvements in or relating to seed-sowers |
| CN201323749Y (en) * | 2008-09-08 | 2009-10-14 | 马卫平 | Internal seed filling air-suction seed metering device |
| CN102598924A (en) * | 2012-03-15 | 2012-07-25 | 中国农业大学 | Seed sowing-metering device for forage plots |
| CN102792808A (en) * | 2012-09-11 | 2012-11-28 | 东北农业大学 | Vertical seed-metering disc capable of utilizing gravities for seed filling |
| CN205755455U (en) * | 2016-05-20 | 2016-12-07 | 华南农业大学 | A kind of Oryza sativa L. spiral feed mechanism for seed |
| CN107079639A (en) * | 2017-05-12 | 2017-08-22 | 东北农业大学 | Centrifuge cone disk type high speed seeding monomer |
| CN109496505A (en) * | 2018-11-13 | 2019-03-22 | 山东理工大学 | Precise seeder is used in the wide seedling band sowing of fine grain seed |
| CN110710361A (en) * | 2019-11-15 | 2020-01-21 | 南京农业大学 | Pocket wheel type seed metering device supporting accurate wheat seeding and seeding method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20201020 |
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| RJ01 | Rejection of invention patent application after publication |