CN112042335B - Disc type telescopic tooth seed metering device - Google Patents
Disc type telescopic tooth seed metering device Download PDFInfo
- Publication number
- CN112042335B CN112042335B CN202011006273.9A CN202011006273A CN112042335B CN 112042335 B CN112042335 B CN 112042335B CN 202011006273 A CN202011006273 A CN 202011006273A CN 112042335 B CN112042335 B CN 112042335B
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- seed
- arc tooth
- telescopic
- tooth
- shell
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- 238000007790 scraping Methods 0.000 claims abstract description 16
- 241000721671 Ludwigia Species 0.000 claims description 12
- 238000009331 sowing Methods 0.000 abstract description 2
- 240000001931 Ludwigia octovalvis Species 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
Abstract
The invention relates to a disc type telescopic tooth seed metering device, which belongs to the technical field of agricultural sowing equipment and consists of a seed box, an adjusting rod, a shell, an arc tooth adjusting disc, seed protection plates, telescopic arc teeth, a seed guiding mechanism, a seed metering shaft and seed scraping plates.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery seeding equipment, relates to a seed metering device, and particularly relates to a disc type telescopic tooth seed metering device.
Background
The seed metering device is a core component of the seeder and is a main factor for determining the characteristics and the seeding quality of the seeder. The working efficiency of the seeder and the quality of crop emergence are directly affected by the working performance of the seed sowing device. The existing disc-type seed metering device cannot adjust the seed metering amount according to actual conditions. In addition, when seeds are separated from the seed metering device, the seeds fall freely in the seed guide tube under the action of gravity, in the process, the seeds inevitably suffer from the disturbance of air flow, and meanwhile, the phenomena of collision, bouncing, friction and the like occur, the factors change the uniformity of initial throwing of the seeds from the seed metering device, and the phenomena of uneven falling points and uneven plant spacing occur after the seeds are separated from the seed guide tube, so that the growth of crops is affected to a certain extent.
Disclosure of Invention
The invention aims at solving the problems in the prior art, and provides a disc type telescopic tooth seed metering device which adopts a telescopic arc tooth mechanism for seed metering, can adjust the seed metering amount, is provided with a seed guiding mechanism, can ensure uniform and accurate seed spacing after seed metering, can greatly improve the seed spacing qualification rate, and has wide market prospect.
The technical scheme of the invention is as follows: a disc type telescopic tooth seed metering device is characterized in that: the seed metering device consists of a seed box, an adjusting rod, a shell, an arc tooth adjusting disc, a seed protection plate, a telescopic arc tooth, a seed guiding mechanism, a seed metering shaft and a seed scraping plate; the seed box is arranged on one side of a radial axis at the upper end of the shell, the seed box is connected and communicated with the shell, the seed shaft is arranged at the center of the shell, the arc tooth adjusting disc is arranged outside the seed shaft, a plurality of spiral sliding grooves and circular ring sliding grooves are formed in the arc tooth adjusting disc, the telescopic arc tooth is arranged at the front end of the arc tooth adjusting disc, one end of the adjusting rod is fixedly connected with the arc tooth adjusting disc, the other end of the adjusting rod extends out of the shell, an arc tooth lug is arranged on one side of the telescopic arc tooth, a cylindrical lug is arranged on the other side of the telescopic arc tooth, the telescopic arc tooth slides in the spiral sliding grooves through the arc tooth lug, an internal spring is arranged between the cylindrical lug and the seed shaft, one end of the internal spring is fixedly connected with the cylindrical lug, and the other end of the internal spring is fixedly connected with the seed shaft through an internal spring seat; the inner wall of the seed protection plate is tightly attached to the outer end of the telescopic arc tooth, an external spring is arranged between the outer wall of the seed protection plate and the shell, one end of the external spring is fixedly connected with the inner wall of the shell through an external spring seat, the other end of the external spring is fixedly arranged on the outer wall of the seed protection plate, the seed scraping plate is arranged on one side of the upper end of the telescopic arc tooth, one end of the seed scraping plate is fixedly connected with the inner wall of the shell, and the other end of the seed scraping plate is tangent to the outer end of the telescopic arc tooth; the seed guiding mechanism is arranged under the shell and consists of a seed guiding spoon, a seed guiding shaft, a seed guiding wheel, a seed guiding pipeline and a seed guiding belt, wherein the seed guiding belt is enveloped on the seed guiding shaft and the seed metering shaft, the seed guiding shaft drives the seed guiding shaft belt to rotate through the seed metering shaft, the seed guiding shaft further drives the seed guiding wheel to rotate, a plurality of seed guiding spoons are arranged on the seed guiding wheel, seeds fall onto the seed guiding spoons through telescopic arc teeth, and fall into a seed ditch through the seed guiding pipeline under the driving of the seed guiding wheel.
The number and the positions of the telescopic arc teeth are in one-to-one correspondence with the spiral sliding grooves.
The outer wall of the shell is provided with a chute corresponding to the adjusting rod, and the adjusting rod slides in the chute, so that the arc teeth are adjusted to stretch and retract, and the seed metering amount is adjusted.
And one side of each sliding groove is provided with three clamping grooves which respectively correspond to the three circular sliding grooves, and when the adjusting rod is clamped in the first clamping groove, the arc tooth convex blocks slide in the first sliding grooves.
The circular sliding grooves are provided with 3 circular sliding grooves, and the 3 circular sliding grooves are arranged at equal intervals in the same axis; the spiral sliding grooves are circularly arrayed on the circular sliding grooves by taking the axle center of the circular sliding grooves as the center, and each spiral sliding groove spans 3 circular sliding grooves.
The beneficial effects of the invention are as follows: the invention provides a disc type telescopic tooth seed metering device, which is structurally composed of a seed box, an adjusting rod, a shell, an arc tooth adjusting disc, seed protection plates, telescopic arc teeth, a seed guiding mechanism, a seed metering shaft and seed scraping plates.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic side view of the invention.
FIG. 3 is a schematic view of the structure of the arc tooth adjusting disk in the invention.
Fig. 4 is a schematic diagram of a connection structure between a telescopic arc tooth and a seed shaft in the present invention.
In the figure: the seed box 1, the adjusting rod 2, the shell 3, the outer spring seat 4, the outer spring 5, the arc tooth adjusting disk 6, the seed protection plate 7, the telescopic arc tooth 8, the cylindrical lug 9, the spiral chute 10, the circular chute 11, the seed guiding mechanism 12, the seed guiding spoon 12-1, the seed guiding shaft 12-2, the seed guiding wheel 12-3, the seed guiding pipeline 12-4, the chute 13, the clamping groove 14, the seed metering shaft 15, the seed guiding belt 16, the inner spring 17, the inner spring seat 18, the seed scraping plate 19 and the arc tooth lug 20.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, a disc type telescopic tooth seed metering device consists of a seed box 1, an adjusting rod 2, a shell 3, an arc tooth adjusting disc 6, a seed protection plate 7, a telescopic arc tooth 8, a seed guiding mechanism 12, a seed metering shaft 15 and a seed scraping plate 18; the seed box 1 is arranged on one side of a radial axis at the upper end of the shell 3, the seed box 1 is connected and communicated with the shell 3, the seed shaft 15 is arranged at the center of the shell 3, the arc tooth adjusting disk 6 is arranged outside the seed shaft 15, a plurality of spiral sliding grooves 10 and circular sliding grooves 11 are arranged on the arc tooth adjusting disk 6, the telescopic arc tooth 8 is arranged at the front end of the arc tooth adjusting disk 6, one end of the adjusting rod 2 is fixedly connected with the arc tooth adjusting disk 6, the other end of the adjusting rod extends out of the shell 3, one side of the telescopic arc tooth 8 is provided with an arc tooth lug 19, the other side of the telescopic arc tooth 8 is provided with a cylindrical lug 9, the telescopic arc tooth 8 slides in the spiral sliding grooves 10 through the arc tooth lug 19, an internal spring 17 is arranged between the cylindrical lug 9 and the seed shaft 15, one end of the internal spring 17 is fixedly connected with the cylindrical lug 9, and the other end of the telescopic arc tooth 8 is fixedly connected with the seed shaft 15 through an internal spring seat 18; the inner wall of the seed protection plate 7 is tightly attached to the outer end of the telescopic arc tooth 8, an external spring 5 is arranged between the outer wall of the seed protection plate 7 and the shell 3, one end of the external spring 5 is fixedly connected with the inner wall of the shell 3 through an external spring seat 4, the other end of the external spring is fixed on the outer wall of the seed protection plate 7, the seed scraping plate 19 is arranged on one side of the upper end of the telescopic arc tooth 8, one end of the seed scraping plate 19 is fixedly connected with the inner wall of the shell 3, and the other end of the seed scraping plate 19 is tangent to the outer end of the telescopic arc tooth 8; the seed guiding mechanism 12 is arranged right below the shell 3, the seed guiding mechanism 12 is composed of a seed guiding spoon 12-1, a seed guiding shaft 12-2, a seed guiding wheel 12-3, a seed guiding pipeline 12-4 and a seed guiding belt 16, the seed guiding belt 16 is enveloped on the seed guiding shaft 12-2 and a seed metering shaft 15, the seed guiding shaft 12-2 drives the seed guiding shaft belt 16 to rotate through the seed metering shaft 15, the seed guiding shaft 12-2 further drives the seed guiding wheel 12-3 to rotate, a plurality of seed guiding spoons 12-1 are arranged on the seed guiding wheel 12-3, and seeds fall onto the seed guiding spoon 12-1 through the telescopic arc teeth 8 and fall into the seed grooves through the seed guiding pipeline 12-4 under the driving of the seed guiding wheel 12-3.
As shown in fig. 1-4, in a disc type telescopic tooth seed metering device, the number and the positions of telescopic arc teeth 8 are in one-to-one correspondence with a spiral chute 10; the outer wall of the shell 3 is provided with a chute 13 corresponding to the adjusting rod 2, and the adjusting rod slides in the chute, so that the arc teeth are adjusted to stretch and retract, and the seed metering amount is adjusted; one side of the chute 13 is provided with three clamping grooves 14, three clamping grooves 14 respectively correspond to the three circular ring chute 11, and when the adjusting rod 2 is clamped in the first clamping groove, the arc tooth convex blocks 19 slide in the first chute; the circular sliding grooves 11 are provided with 3 circular sliding grooves 11, and the 3 circular sliding grooves 11 are arranged at equal intervals in the same axis; the spiral sliding grooves 10 are circularly arrayed on the circular sliding grooves 11 by taking the axle center of the circular sliding grooves 11 as the center, and each spiral sliding groove 10 spans 3 circular sliding grooves 11.
As shown in fig. 1-4, the working principle of a disc type telescopic tooth seed metering device is as follows: during operation, seeds fall into a seed filling area through the seed box 1, the seed metering shaft 15 drives the telescopic arc teeth 8 to rotate, the seed scraping plate 18 brushes off residual seeds in the telescopic arc teeth 8, then the telescopic arc teeth 8 drive the seeds to enter the seed falling area, the seeds enter the seed guiding device 12 under the action of dead weight, then the seeds fall onto the seed guiding spoon 12-1, and fall into a seed ditch through the seed guiding pipeline 12-4 under the drive of the seed guiding wheel 12-3. When the rotary adjusting rod 2 is respectively rotated to three circular sliding grooves, three-level adjustment of seed metering quantity can be realized.
Claims (5)
1. A disc type telescopic tooth seed metering device is characterized in that: the seed metering device consists of a seed box (1), an adjusting rod (2), a shell (3), an arc tooth adjusting disc (6), a seed protection plate (7), a telescopic arc tooth (8), a seed guiding mechanism (12), a seed metering shaft (15) and a seed scraping plate (18); the seed box (1) is arranged on one side of a radial axis at the upper end of the shell (3), the seed box (1) is connected and communicated with the shell (3), the seed shaft (15) is arranged at the center of the shell (3), the arc tooth adjusting disc (6) is arranged outside the seed shaft (15), a plurality of spiral sliding grooves (10) and circular ring sliding grooves (11) are formed in the arc tooth adjusting disc (6), the telescopic arc tooth (8) is arranged at the front end of the arc tooth adjusting disc (6), one end of the adjusting rod (2) is fixedly connected with the arc tooth adjusting disc (6), the other end of the adjusting rod extends out of the shell (3), one side of the telescopic arc tooth (8) is provided with an arc tooth lug (19), the other side of the telescopic arc tooth (8) is provided with a cylindrical lug (9), the telescopic arc tooth (8) slides in the spiral sliding grooves (10) through the arc tooth lug (19), an internal spring (17) is arranged between the cylindrical lug (9) and the arc tooth adjusting disc (15), one end of the adjusting rod (2) is fixedly connected with the cylindrical lug (17) and the other end of the seed shaft (15) through the arc tooth lug (19); the inner wall of the guard plate (7) is tightly attached to the outer end of the telescopic arc tooth (8), an external spring (5) is arranged between the outer wall of the guard plate (7) and the shell (3), one end of the external spring (5) is fixedly connected with the inner wall of the shell (3) through an external spring seat (4), the other end of the external spring is fixedly arranged on the outer wall of the guard plate (7), the scraping plate (19) is arranged on one side of the upper end of the telescopic arc tooth (8), one end of the scraping plate (18) is fixedly connected with the inner wall of the shell (3), and the other end of the scraping plate (18) is tangential to the outer end of the telescopic arc tooth (8); the seed guide mechanism (12) is arranged right below the shell (3), the seed guide mechanism (12) consists of a seed guide spoon (12-1), a seed guide shaft (12-2), a seed guide wheel (12-3), a seed guide pipeline (12-4) and a seed guide belt (16), the seed guide belt (16) is enveloped on the seed guide shaft (12-2) and the seed metering shaft (15), the seed guide shaft (12-2) drives the seed guide shaft belt (16) to rotate through the seed metering shaft (15), the seed guide shaft (12-2) further drives the seed guide wheel (12-3) to rotate, a plurality of seed guide spoons (12-1) are arranged on the seed guide wheel (12-3), and seeds fall onto the seed guide spoon (12-1) through the telescopic arc teeth (8) and fall into a seed groove through the seed guide pipeline (12-4) under the driving of the seed guide wheel (12-3).
2. The disc type telescopic tooth seed metering device according to claim 1, wherein: the number and the positions of the telescopic arc teeth (8) are in one-to-one correspondence with the spiral sliding grooves (10).
3. The disc type telescopic tooth seed metering device according to claim 1, wherein: the outer wall of the shell (3) is provided with a chute (13) corresponding to the adjusting rod (2), and the adjusting rod slides in the chute, so that the arc teeth are adjusted to stretch and retract, and the seed metering amount is adjusted.
4. The disc type telescopic tooth seed metering device according to claim 1, wherein: one side of the sliding groove (13) is provided with three clamping grooves (14), the three clamping grooves (14) respectively correspond to the three circular sliding grooves (11), and when the adjusting rod (2) is clamped in the first clamping groove, the arc tooth protruding blocks (19) slide in the first sliding groove.
5. The disc type telescopic tooth seed metering device according to claim 1, wherein: the circular ring sliding grooves (11) are provided with 3, and the 3 circular ring sliding grooves (11) are arranged at equal intervals in the same axis; the spiral sliding grooves (10) are circularly arrayed on the circular sliding grooves (11) by taking the axle center of the circular sliding grooves (11) as the center, and each spiral sliding groove (10) spans 3 circular sliding grooves (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006273.9A CN112042335B (en) | 2020-09-23 | 2020-09-23 | Disc type telescopic tooth seed metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006273.9A CN112042335B (en) | 2020-09-23 | 2020-09-23 | Disc type telescopic tooth seed metering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112042335A CN112042335A (en) | 2020-12-08 |
| CN112042335B true CN112042335B (en) | 2024-01-26 |
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ID=73604158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011006273.9A Active CN112042335B (en) | 2020-09-23 | 2020-09-23 | Disc type telescopic tooth seed metering device |
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| CN (1) | CN112042335B (en) |
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