CN111788910A - Air-suction type spiral groove wheel seed metering device - Google Patents
Air-suction type spiral groove wheel seed metering device Download PDFInfo
- Publication number
- CN111788910A CN111788910A CN202010874740.3A CN202010874740A CN111788910A CN 111788910 A CN111788910 A CN 111788910A CN 202010874740 A CN202010874740 A CN 202010874740A CN 111788910 A CN111788910 A CN 111788910A
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- 238000009331 sowing Methods 0.000 claims abstract description 89
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000010899 nucleation Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
An air-suction type spiral grooved wheel seed sowing device belongs to the technical field of agricultural machinery sowing machinery, and structurally comprises a shell, a blocking sleeve end cover, a seed sowing shaft, a seed sowing wheel, an adjusting sleeve, an air suction pipeline, a seed sowing wheel end cover, an electromagnetic vibrator, an adjusting handle, a seed protecting plate, an air suction chamber, a zero pressure area, a seed guiding device and a baffle plate, wherein the air suction type spiral grooved wheel seed sowing device is simple in structure and clear in working principle; meanwhile, the air suction structure is adopted, the seed filling performance is improved, the uniformity of seed metering of the seed metering device is effectively improved through the electromagnetic vibrator, the opening size of the spiral groove can be adjusted through the adjusting sleeve, the control of the seed metering amount is realized, the uniform and accurate plant spacing after seed feeding is ensured through the seed guiding device, the qualification rate of the plant spacing of seeds is greatly improved, and the wide market prospect is achieved.
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 an air-aspiration type spiral groove wheel 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 seed 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 that the seed flow is in a pulsating phenomenon, the uniformity of the seed sowing is influenced, the seed leakage phenomenon occurs when the seeds are filled, and the seed sowing quantity can not be controlled. 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 the seeds are inevitably disturbed by airflow in the process 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 planting distances are caused 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 an air-suction type spiral grooved wheel seed sowing device aiming at the defects in the prior art, the phenomenon of seed sowing pulse can be reduced by rotating a conical tooth structure on a seed sowing wheel, meanwhile, the air-suction structure is adopted, the seed filling performance is improved, the seed sowing uniformity of the seed sowing device can be effectively improved by an electromagnetic vibrator, the uniform and accurate seed spacing after seed feeding is ensured by a seed guiding device, and the qualification rate of the seed spacing can be greatly improved.
The technical scheme of the invention is as follows: the utility model provides an air-suction type spiral sheave seed metering ware which characterized in that: the seed sowing device consists of a shell, a blocking sleeve end cover, a seed sowing shaft, a seed sowing wheel, an adjusting sleeve, a gas suction pipeline, a seed sowing wheel end cover, an electromagnetic vibrator, an adjusting handle, a seed protecting plate, a gas suction chamber, a zero pressure area, a seed guiding device and a baffle plate; the seed sowing wheel is arranged in the shell, the seed sowing shaft is arranged in a shaft hole of the seed sowing wheel, the seed sowing wheel is driven to rotate by an external motor, the right end face of the blocking sleeve is fixedly connected with the left end face of the baffle, the right end face of the baffle is attached to the left end face of the seed sowing wheel, the adjusting sleeve is sleeved on the seed sowing wheel and extends out of the right end face of the seed sowing wheel, the extending part of the adjusting sleeve is fixed on the inner wall of the end cover of the seed sowing wheel, an adjusting handle is fixedly arranged on the outer wall of the end cover of the seed sowing wheel, the seed protecting plate is arranged on one side of the seed sowing wheel, the inner wall of the seed protecting plate is attached to the outer surface of the seed sowing wheel, the outer wall of the seed protecting plate is fixed on the shell, the electromagnetic vibrator is fixedly arranged on the left end face of the baffle, the air suction chamber is of a closed cavity structure, and the right end face, the left end face of air suction chamber with the right-hand member face fixed connection of baffle, the surface and the seed metering wheel cavity inner wall of air suction chamber closely laminate, the seed metering wheel rotates at the surface of air suction chamber, the bottom surface of air suction chamber constitutes zero pressure district with the cavity inner wall of seed metering wheel, the setting of leading kind of a device is in seed metering wheel goes out the mouth under, lead kind of a device by belt, leading axle, left end lid, right-hand member lid, leading kind of a wheel, lead kind baffle, lead kind pipeline and constitute, lead kind of a wheel axle and pass leading kind of a wheel, lead kind of an axle pass the belt with seed metering shaft transmission is connected, the equidistance is equipped with a plurality of leading kind baffles on the leading kind wheel, adjacent two form the kind groove between the leading kind baffle, the pipe right-hand member of breathing in passes seed metering wheel end lid, the left end with air suction chamber intercommunication.
A plurality of air suction holes are arranged on the spiral groove bottom of the seed sowing wheel and lead to the air suction chamber.
The right end face of the air suction chamber is provided with an air suction hole corresponding to the air suction guide pipe.
The surface of the adjusting sleeve is provided with baffle plates which are in one-to-one correspondence with the seed sowing wheel grooves, and the adjusting handle is rotated to drive the seed sowing wheel adjusting sleeve to rotate, so that the opening size of the spiral groove of the seed sowing wheel is changed, and the seed sowing quantity is adjusted.
The invention has the beneficial effects that: the invention provides an air-suction type spiral grooved wheel seed sowing device which structurally comprises a shell, a blocking sleeve end cover, a seed sowing shaft, a seed sowing wheel, an adjusting sleeve, an air suction pipeline, a seed sowing wheel end cover, an electromagnetic vibrator, an adjusting handle, a seed protecting plate, an air suction chamber, a zero pressure area, a seed guiding device and a baffle plate, and is simple in structure and clear in working principle, the air suction type spiral grooved wheel seed sowing device is simple and easy to implement, and the phenomenon of seed sowing pulsation can be reduced due to the spiral groove structure of the seed sowing wheel; meanwhile, the air suction structure is adopted, the seed filling performance is improved, the uniformity of seed metering of the seed metering device is effectively improved through the electromagnetic vibrator, the opening size of the spiral groove can be adjusted through the adjusting sleeve, the control of the seed metering amount is realized, the uniform and accurate plant spacing after seed feeding is ensured through the seed guiding device, the qualification rate of the plant spacing of seeds is greatly improved, and the wide market prospect is achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a side view of the seed wheel and the seed guide of the present invention.
FIG. 3 is an enlarged view of the spiral groove of the seed wheel of the present invention.
FIG. 4 is a schematic view of the adjusting sleeve of the seed wheel of the present invention.
In the figure: the seed metering device comprises a shell 1, a blocking sleeve 2, a blocking sleeve end cover 3, a seed metering shaft 4, a seed metering wheel 5, an adjusting sleeve 6, an air suction pipeline 7, a seed metering wheel end cover 8, an electromagnetic vibrator 9, a belt 10, a seed guiding device 11, a seed guiding shaft 12, a left end cover 13, a right end cover 14, a seed protecting plate 15, an air suction chamber 16, a zero pressure area 17, a seed guiding partition plate 18, a seed guiding pipeline 20, a seed guiding wheel 21, an air suction hole 22, a spiral groove bottom 23, an adjusting handle 24, a seed protecting plate 25, a baffle plate 26 and a seed guiding groove 27.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-4, an air-suction spiral grooved wheel seed sowing device comprises a shell 1, a blocking sleeve 2, a blocking sleeve end cover 3, a seed sowing shaft 4, a seed sowing wheel 5, an adjusting sleeve 6, an air suction pipeline 7, a seed sowing wheel end cover 8, an electromagnetic vibrator 9, an adjusting handle 24, a seed protecting plate 25, an air suction chamber 16, a zero pressure region 17, a seed guiding device 24 and a baffle plate 26; the seed sowing wheel 5 is arranged in the shell 1, the seed sowing shaft 4 is arranged in a shaft hole of the seed sowing wheel 5, the seed sowing wheel 5 is driven to rotate by an external motor, the right end face of the blocking sleeve 2 is fixedly connected with the left end face of the baffle 26, the right end face of the baffle 26 is attached to the left end face of the seed sowing wheel 5, the adjusting sleeve 6 is sleeved on the seed sowing wheel 5 and extends out of the right end face of the seed sowing wheel 5, the extending part of the adjusting sleeve is fixed on the inner wall of the seed sowing wheel end cover 8, the adjusting handle 24 is fixedly arranged on the outer wall of the seed sowing wheel end cover 8, the seed protecting plate 25 is arranged on one side of the seed sowing wheel 5, the inner wall of the seed protecting plate 25 is attached to the outer surface of the seed sowing wheel 5, the outer wall of the seed protecting plate 25 is fixed on the shell 1, the electromagnetic vibrator 9 is fixedly arranged on the left end face of the baffle 26, the air suction chamber, the left end face of the air suction chamber 16 is fixedly connected with the right end face of the baffle 26, the outer surface of the air suction chamber 16 is tightly attached to the hollow inner wall of the seed sowing wheel 5, the seed sowing wheel 5 rotates on the outer surface of the air suction chamber 16, the bottom surface of the air suction chamber 16 and the hollow inner wall of the seed sowing wheel 5 form a zero-pressure area 17, the seed guiding device 11 is arranged at the right lower end of a seed outlet of the seed sowing wheel 5, the seed guiding device 24 is composed of a belt 10, a seed guiding shaft 12, a left end cover 13, a right end cover 14, a seed guiding wheel 21, seed guiding partition plates 18 and a seed guiding pipeline 20, the seed guiding shaft 12 penetrates through the seed guiding wheel 21, the seed guiding shaft 12 is in transmission connection with the seed sowing shaft 4 through the belt 10, a plurality of seed guiding partition plates 18 are equidistantly arranged on the seed guiding wheel 21, a seed guiding groove 27 is formed between every two adjacent seed guiding partition plates 18.
As shown in fig. 1-4, in an air-aspiration spiral grooved-wheel seed sowing device, a plurality of air suction holes 22 are arranged on the spiral groove bottom 23 of a seed sowing wheel 5, and the air suction holes lead to an air suction chamber 16; the right end surface of the air suction chamber 16 is provided with an air suction hole 15 corresponding to the air suction conduit 7; the surface of the adjusting sleeve 6 is provided with baffle plates which are in one-to-one correspondence with the seed sowing wheel grooves, and the adjusting handle 24 is rotated to drive the seed sowing wheel adjusting sleeve 6 to rotate, so that the opening size of the spiral groove of the seed sowing wheel 5 is changed, and the seed sowing quantity is adjusted.
As shown in fig. 1-4, the working principle of an air-suction spiral grooved-wheel seed sowing device is as follows: when the seed feeding device works, the seed feeding shaft 4 drives the spiral seed feeding wheel 5 to rotate, the outer fan sucks air to the air suction chamber through the air suction pipeline 7, negative pressure is formed in the air suction chamber, seeds are adsorbed by air holes 22 at the bottom of the seed feeding wheel 5 in a seed filling area to fill the spiral groove 23, the seed feeding wheel adjusting sleeve 6 can be driven to rotate by rotating the adjusting handle 24, the opening size of the spiral groove of the seed feeding wheel 5 is changed, and then the seed feeding amount is adjusted. Then the seed metering wheel rotates to the zero-pressure area 17, the seeds enter the seed guiding device 24 in the zero-pressure area 17 due to self weight, then the seeds fall into the seed guiding groove 27, the seed guiding wheel 21 drives the seed guiding wheel belt 10 through the seed metering shaft 4, so as to drive the seed guiding wheel rotating shaft 11 to rotate, further drive the seed guiding wheel 21 to rotate, and the seeds in the seed guiding groove 27 reach a seed feeding position through the seed dropping pipe 20 under the driving of the seed guiding wheel 21.
Claims (4)
1. The utility model provides an air-suction type spiral sheave seed metering ware which characterized in that: the seed metering device consists of a shell (1), a blocking sleeve (2), a blocking sleeve end cover (3), a seed metering shaft (4), a seed metering wheel (5), an adjusting sleeve (6), an air suction pipeline (7), a seed metering wheel end cover (8), an electromagnetic vibrator (9), an adjusting handle (24), a seed protecting plate (25), an air suction chamber (16), a zero pressure area (17), a seed guiding device (24) and a baffle plate (26); the seed metering wheel (5) is arranged in the shell (1), the seed metering shaft (4) is arranged in an axial hole of the seed metering wheel (5) and is driven by an external motor to rotate the seed metering wheel (5), the right end face of the blocking sleeve (2) is fixedly connected with the left end face of the baffle (26), the right end face of the baffle (26) is attached to the left end face of the seed metering wheel (5), the adjusting sleeve (6) is sleeved on the seed metering wheel (5) and extends out of the right end face of the seed metering wheel (5), the extending part of the adjusting sleeve is fixed on the inner wall of the seed metering wheel end cover (8), an adjusting handle (24) is fixedly arranged on the outer wall of the seed metering wheel end cover (8), the seed protecting plate (25) is arranged on one side of the seed metering wheel (5), the inner wall of the seed protecting plate (25) is attached to the outer surface of the seed metering wheel (5), and the outer wall of the seed protecting plate (25) is fixed on the shell (1), the electromagnetic vibrator (9) is fixedly arranged on the left end face of the baffle plate (26), the air suction chamber (16) is of a closed cavity structure, the right end face of the air suction chamber (16) and the right end face of the seed sowing wheel (5) are arranged on the same plane, the left end face of the air suction chamber (16) is fixedly connected with the right end face of the baffle plate (26), the outer surface of the air suction chamber (16) is tightly attached to the hollow inner wall of the seed sowing wheel (5), the seed sowing wheel (5) rotates on the outer surface of the air suction chamber (16), the bottom face of the air suction chamber (16) and the hollow inner wall of the seed sowing wheel (5) form a zero-pressure area (17), the seed guiding device (11) is arranged at the right lower end of the seed outlet of the seed sowing wheel (5), and the seed guiding device (24) is composed of a belt (10), a seed guiding shaft (12), a left end cover (13), a right end cover (14), a seed guiding wheel (21), The seed guide partition plate (18) and the seed guide pipeline (20) are formed, the seed guide shaft (12) penetrates through a seed guide wheel (21), the seed guide shaft (12) is in transmission connection with the seed sowing shaft (4) through a belt (10), a plurality of seed guide partition plates (18) are equidistantly arranged on the seed guide wheel (21), two adjacent seed guide grooves (27) are formed between the seed guide partition plates (18), the right end of the air suction guide pipe (7) penetrates through the end cover (8) of the seed sowing wheel, and the left end of the air suction chamber (16) is communicated.
2. An air-aspiration spiral sheave seed meter as claimed in claim 1 wherein: a plurality of air suction holes (22) are arranged on the bottom (23) of the spiral groove of the seed sowing wheel (5), and the air suction holes are communicated with the air suction chamber (16).
3. An air-aspiration spiral sheave seed meter as claimed in claim 1 wherein: the right end face of the air suction chamber (16) is provided with an air suction hole (15) corresponding to the air suction conduit (7).
4. An air-aspiration spiral sheave seed meter as claimed in claim 1 wherein: the surface of the adjusting sleeve (6) is provided with baffle plates which are in one-to-one correspondence with the seed sowing wheel grooves, and the adjusting handle (24) is rotated to drive the seed sowing wheel adjusting sleeve (6) to rotate, so that the opening size of the spiral groove of the seed sowing wheel (5) is changed, and the seed sowing quantity is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874740.3A CN111788910A (en) | 2020-08-27 | 2020-08-27 | Air-suction type spiral groove wheel seed metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874740.3A CN111788910A (en) | 2020-08-27 | 2020-08-27 | Air-suction type spiral groove wheel seed metering device |
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| Publication Number | Publication Date |
|---|---|
| CN111788910A true CN111788910A (en) | 2020-10-20 |
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|---|---|---|---|
| CN202010874740.3A Pending CN111788910A (en) | 2020-08-27 | 2020-08-27 | Air-suction type spiral groove wheel seed metering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009182A (en) * | 2021-12-15 | 2022-02-08 | 石河子大学 | Split type on-film precision seeding system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009182A (en) * | 2021-12-15 | 2022-02-08 | 石河子大学 | Split type on-film precision seeding system |
| CN114009182B (en) * | 2021-12-15 | 2023-08-08 | 石河子大学 | Split type film precise seeding system |
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