CN113767734B - Duckbill seeder - Google Patents
Duckbill seeder Download PDFInfo
- Publication number
- CN113767734B CN113767734B CN202111027982.XA CN202111027982A CN113767734B CN 113767734 B CN113767734 B CN 113767734B CN 202111027982 A CN202111027982 A CN 202111027982A CN 113767734 B CN113767734 B CN 113767734B
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- seed
- conveying
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- seeding
- taking
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- 241000405070 Percophidae Species 0.000 title claims abstract description 15
- 238000010899 nucleation Methods 0.000 claims abstract description 81
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000009331 sowing Methods 0.000 claims description 34
- 238000007599 discharging Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 description 6
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/18—Machines for depositing quantities of seed at intervals
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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 invention discloses a duckbill type seeder, and belongs to the technical field of seeders. Comprises a seeding box, a seed taking device, a seeding device and a seeding device walking bracket; the seed taking device comprises a uniform seed metering mechanism and a seed taking device side cover; the uniform seed metering mechanism comprises a seed taking device supporting transmission shaft, a rotary seed conveying structure and a seed taking disc; the seed taking device supporting transmission shaft is fixed with the roller coaxially and is rotationally connected with the seeder walking bracket; the rotary seed conveying structure comprises a seed metering cavity shell, a rotary seed conveying disc and a seed feeding window of the seed conveying cavity; the rotary seed conveying disc comprises a seed conveying disc body, and a plurality of seed conveying grooves are circumferentially distributed on the seed conveying disc body; the seed taking disc comprises a seed taking spoon fixing disc and a plurality of seed taking spoons; the rotary seed conveying structure is positioned in the roller, and the positions of the seed taking spoons, the seed conveying grooves and the duckbilled seeding structures are respectively in one-to-one correspondence. The novel quantitative seeder has the characteristics of compact structure, convenience in assembly, good seeding uniformity and stability, quantitative seeding and the like.
Description
Technical Field
The invention relates to the technical field of sowers.
Background
The invention patent of China with the application publication number of CN108353579A and the application publication date of 2018 and 08 and 03 discloses a duckbill seeder, which improves a rotating plate opening and closing driving mechanism in a duckbill seeding mechanism, and realizes the opening or closing of a seeding opening and closing rotating plate through the mutual impact action of a deflector rod and a bearing wheel of a duckbill in the rotating process of a roller so as to ensure the reliable work of the seeding opening and closing rotating plate, thereby being suitable for seeding operations in various soil environments. However, the seed extractor still has the problem of poor seeding uniformity and stability in the seeding process. Meanwhile, as seeds in the sowing box are transmitted into the seed guide pipe to generate pressure, the seeds are blocked in the seed extractor, the seeds cannot be fully supplied to cause miss sowing, and thus the phenomena of seedling missing and ridge breaking are generated, and loss is caused for agricultural production.
Disclosure of Invention
The invention aims to solve the technical problem of providing a duckbill seeder, which has the characteristics of compact structure, convenience in assembly, good seeding uniformity and stability, quantitative seeding and the like.
In order to solve the technical problems, the invention adopts the following technical scheme:
A duckbill type seeder comprises a seeding box, a seed taking device, a seeding device and a seeder travelling bracket; the seeding device comprises a roller, a plurality of duckbill seeding mechanisms are arranged along the circumferential direction of the wall of the roller, each duckbill seeding mechanism comprises a seeding opening arranged on the wall of the roller, a seeding opening switching rotating plate for opening or closing the seeding opening, a rotating plate switching driving mechanism, a seeding cup arranged on the inner side of the wall of the roller, and a seeding cup outlet is communicated with the seeding opening; the seed taking device comprises a uniform seed metering mechanism and a seed taking device side cover;
The uniform seed metering mechanism comprises a seed taking device supporting transmission shaft, a rotary seed conveying structure and a seed taking disc;
The seed taking device supporting transmission shaft is fixed with the roller coaxially and is rotationally connected with the seeder walking bracket;
The rotary seed conveying structure comprises a seed metering cavity shell, a rotary seed conveying disc and a seed feeding window of the seed conveying cavity; the seed metering cavity shell is provided with a seed metering cavity, the seed metering cavity shell is fixedly connected with the seeder walking bracket and is rotationally connected with the seed extractor supporting transmission shaft through a bearing, so that the seed extractor supporting transmission shaft is supported on the axis of the seed metering cavity, and the bottom of the seed metering cavity is provided with a seed metering port; the rotary seed conveying disc comprises a seed conveying disc body, a plurality of seed conveying grooves are circumferentially distributed on the seed conveying disc body, the seed conveying disc body and a seed extractor supporting transmission shaft are coaxially fixed together and are arranged in a seed discharging cavity, and one side with the seed conveying grooves faces to the outer end; the seed feeding window of the seed feeding cavity comprises a seed feeding groove side wall plate, a wall plate opening is formed in the seed feeding groove side wall plate, the seed feeding groove side wall plate is fixedly connected with the seed feeding cavity shell so as to be clung to the side wall of one side of the seed feeding disc body, which is provided with the seed feeding groove, the seed feeding groove is clung to the side wall of the seed feeding groove to form a seed feeding cavity, and the opening end of the seed feeding cavity is positioned at the outer end edge of the seed feeding disc body; the seed taking device supports the transmission shaft to drive the rotary seed conveying disc to rotate relative to the side wall plate of the seed conveying groove, and when the seed conveying cavity passes through the opening of the wall plate, the opening of the wall plate forms a seed inlet window on the side wall of the seed conveying cavity;
The seed taking disc comprises a seed taking spoon fixing disc and a plurality of seed taking spoons, the seed taking spoons are circumferentially arranged on the seed taking spoon fixing disc, and the spoon parts of the seed taking spoons are provided with seed accommodating cavities with the same structure so as to accommodate equal amounts of seeds; the seed taking spoon fixing disc is fixedly connected with a seed taking device supporting transmission shaft; and is arranged next to the sidewall plate of the seed conveying groove;
The seed taking device side cover is fixedly connected with the seed discharging cavity shell to form a seed taking device closed shell, and a seed accommodating cavity is formed in a space between the seed conveying groove side wall plate and the seed taking device side cover in the seed taking device closed shell, and is provided with a seed inlet hole which is communicated with the seeding box; a seed sowing chamber is formed in the space between the side wall plate of the seed conveying groove and the seed sowing cavity shell;
The rotary seed delivery structure is positioned in the roller, the positions of the seed taking scoops, the seed delivery grooves and the duckbilled seeding structures are respectively in one-to-one correspondence, and the seed taking scoops, the seed delivery grooves and the duckbilled seeding structures form seeding channels respectively; when the roller rotates, the seed taking device drives the seed taking disc coaxially fixed with the seed taking device through the transmission supporting shaft, and the rotary seed conveying disc synchronously rotates, so that each seeding channel synchronously rotates; each seeding passageway is in the rotation in-process, get kind of spoon from bottom to top rotation, get kind of spoon portion of spoon and pick up the seed in the seed holding chamber, when advancing kind of window, the seed that spoon portion picked falls into corresponding seed delivery intracavity, seed delivery chamber rotation whereabouts, pour into seed discharging chamber, arrange to corresponding seed cup import by seed discharging port, the seed is imported corresponding seed mouth by seed cup export, seed mouth rotation is to below seeding position, the rotatory board switching actuating mechanism control seed mouth switching board is opened, the seed is discharged by the seed mouth, thereby accomplish the seeding operation.
The invention is further improved in that:
The seed taking device is also provided with a seed blocking prevention structure: the seed taking device comprises a stirring component, wherein the stirring component is fixed in a seed accommodating cavity through a seed taking device supporting transmission shaft, when the roller is used for sowing and rotating, the seed taking device supporting transmission shaft drives the stirring component to rotate so as to stir seeds in the seed accommodating cavity, thereby preventing seeds in a sowing box from falling into the seed accommodating cavity to generate pressure so as to cause the seeds to be stacked and blocked in the seed accommodating cavity, and avoiding the phenomenon of miss seeding caused by untimely seed supply.
The seed taking spoon is characterized in that a seed taking spoon adaptation groove is formed in a side wall plate of the seed conveying groove along a rotating track of a spoon part of the seed taking spoon, the spoon part is close to the inner wall of the seed taking spoon adaptation groove and rotates so that seeds accommodated by the seed taking spoon adaptation groove are located on the inner side of the lower edge of a seed feeding window, the inner side of the lower edge of the seed feeding window is located on one side of a seed conveying cavity, and when the spoon part rotates from top to bottom and passes through the seed feeding window, the seeds directly fall into the seed conveying cavity downwards.
The seed conveying disc body and the seed taking device supporting transmission shaft are coaxially fixed together in a square shaft and square hole connection mode; the middle part of the side wall plate of the seed conveying groove is provided with a round hole, the seed taking spoon fixing disc is of a circular ring shape, and the screw is used for fixedly connecting the seed taking spoon fixing disc with the seed conveying disc body through the round hole in the seed taking spoon fixing disc.
The seed conveying groove side wall plate is fixedly connected with the seed discharging cavity shell through a rotating angle adjustable structure: a group of arc-shaped seed conveying groove side wall plate threaded connection holes are formed in the seed metering cavity shell, and the seed conveying groove side wall plates are in threaded connection with different seed conveying groove side wall plate threaded connection holes so as to adjust the angle of the seed inlet window.
The stirring component in the seed blocking prevention structure is a fin stirring disc.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
According to the invention, the seed taking device is driven by the transmission support shaft to drive the seed taking disc coaxially fixed with the seed taking device, and the rotary seed conveying disc synchronously rotates, so that each sowing channel synchronously rotates; the rotary seed conveying structure is formed by the matching of the rotary seed conveying disc and the seed inlet window of the seed conveying cavity through the seed metering cavity shell, so that the rotary seed conveying structure is convenient to assemble, the structure is compact and reasonable, the work is reliable, the quantitative seed taking is finished through the seed taking spoon, and seeds are conveyed to all sowing channels, so that the sowing quantity is uniform and stable; the seed in the seed accommodating cavity is stirred in the sowing process through the seed blocking preventing structure, so that the seeds in the sowing box are prevented from falling into the seed accommodating cavity to generate pressure so as to cause the seeds to be blocked in the seed accommodating cavity, and the phenomenon of missing sowing caused by untimely seed supply is avoided.
The novel quantitative seeder has the characteristics of compact structure, convenience in assembly, good seeding uniformity and stability, quantitative seeding and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an assembly view of the seed extractor and sowing device of FIG. 1;
FIG. 3 is a schematic view of the seed extractor and sowing box of FIG. 1;
FIG. 4 is an assembly view of the seed metering mechanism and seed extractor side cover of the seed extractor of FIG. 3;
FIG. 5 is an exploded view of the components of the seed extractor of FIG. 3;
FIG. 6 is a schematic view of the structure of the inoculating cup in FIG. 2.
In the drawings: 1. a sowing box; 2. a seeder walking bracket; 3. a roller; 4. the seeding opening is opened and closed to turn the plate; 5. an inoculating cup; 5-1, inoculating cup outlet; 5-2, inoculating cup inlet; 6. a seed taking device side cover; 7. the seed taking device supports a transmission shaft; 8. a seed metering cavity housing; 8-1, a seed discharging port; 9. side wall plate of seed conveying groove; 9-1, opening the wallboard; 9-2, a seed taking spoon adapting groove; 10. a seed conveying tray body; 11. a seed conveying groove; 12. a seed taking spoon fixing disc; 13. taking a seed spoon; 14. a threaded connecting hole of a side wall plate of the seed conveying groove; 15. a fin stirring plate; 16. a seed guide tube.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific embodiments.
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and the detailed description is omitted.
As can be seen from the embodiments shown in fig. 1 to 6, the present embodiment includes a sowing box 1, a seed taker, a sowing device and a sowing device traveling bracket 2; the seeding device comprises a roller 3, a plurality of duckbill seeding mechanisms are arranged along the circumferential direction of the wall of the roller 3, each duckbill seeding mechanism comprises a seeding opening arranged on the wall of the roller 3, a seeding opening and closing rotating plate 4 for opening or closing the seeding opening, a rotating plate opening and closing driving mechanism, a seeding cup 5 arranged on the inner side of the wall of the roller 3, and a seeding cup outlet 5-1 communicated with the seeding opening; the seed taking device comprises a uniform seed metering mechanism and a seed taking device side cover 6;
The uniform seed metering mechanism comprises a seed taking device supporting transmission shaft 7, a rotary seed conveying structure and a seed taking disc;
the seed taking device supporting transmission shaft 7 is fixed with the roller 3 coaxially and is rotationally connected with the seeder travelling bracket 2;
The rotary seed conveying structure comprises a seed metering cavity shell 8, a rotary seed conveying disc and a seed feeding window of the seed conveying cavity; the seed metering cavity shell 8 is provided with a seed metering cavity, the seed metering cavity shell 8 is fixedly connected with the seeder walking bracket 2 and is rotationally connected with the seed extractor supporting transmission shaft 7 through a bearing, so that the seed extractor supporting transmission shaft 7 is supported on the axis of the seed metering cavity, and the bottom of the seed metering cavity is provided with a seed metering port 8-1; the rotary seed conveying disc comprises a seed conveying disc body 10, a plurality of seed conveying grooves 11 are circumferentially distributed on the seed conveying disc body 10, the seed conveying disc body 10 and the seed extractor supporting transmission shaft 7 are coaxially fixed together and are arranged in a seed discharging cavity, and one side with the seed conveying grooves 11 faces to the outer end; the seed feeding window of the seed feeding cavity comprises a seed feeding groove side wall plate 9, a wall plate opening 9-1 is arranged on the seed feeding groove side wall plate 9, the seed feeding groove side wall plate 9 is fixedly connected with the seed feeding cavity shell 8 so as to be clung to the side wall of the seed feeding disc body 10, which is provided with the seed feeding groove 11, the seed feeding groove 11 is clung to the side wall of the seed feeding groove to form a seed feeding cavity, and the opening end of the seed feeding cavity is positioned at the outer end edge of the seed feeding disc body 10; the seed taking device supports the transmission shaft 7 to drive the rotary seed conveying disc to rotate relative to the side wall plate 9 of the seed conveying groove, and when the seed conveying cavity passes through the wall plate opening 9-1, the wall plate opening 9-1 forms a seed inlet window on the side wall of the seed conveying cavity;
The seed taking disc comprises a seed taking spoon fixing disc 12 and a plurality of seed taking spoons 13, the seed taking spoons 13 are circumferentially arranged on the seed taking spoon fixing disc 12, and the spoon parts of the seed taking spoons 13 are provided with seed accommodating cavities with the same structure so as to accommodate equal amounts of seeds; the seed taking spoon fixing disc 12 is fixedly connected with the seed taking device supporting transmission shaft 7; and is arranged next to the sidewall plate 9 of the seed conveying groove;
The seed taking device side cover 6 is fixedly connected with the seed discharging cavity shell 8 to form a seed taking device closed shell, and in the seed taking device closed shell, a seed accommodating cavity is formed in a space between the seed conveying groove side wall plate 9 and the seed taking device side cover 6, and is provided with a seed inlet hole which is communicated with the seeding box 1; the space between the side wall plate 9 of the seed conveying groove and the seed discharging cavity shell 8 forms a seed discharging cavity;
The rotary seed delivery structure is positioned in the roller 3, the positions of the seed taking scoops 13, the seed delivery grooves 11 and the duckbilled seeding structures are respectively in one-to-one correspondence, the corresponding seed taking scoops 13, and the seed delivery grooves 11 and the duckbilled seeding structures form seeding channels respectively; when the roller 3 rotates, the seed taking device drives the seed taking disc coaxially fixed with the seed taking device through the transmission supporting shaft, and the rotary seed conveying disc synchronously rotates, so that each seeding channel synchronously rotates; in the rotation process of each seeding channel, the seed taking spoon 13 rotates from bottom to top, the spoon part of the seed taking spoon 13 picks up seeds in the seed accommodating cavity, when the seeds pass through the seed inlet window, the seeds picked up by the spoon part fall into the corresponding seed conveying cavity, the seed conveying cavity rotates and falls down, the seeds are poured into the seed discharging cavity, the seeds are discharged to the corresponding seeding cup inlet 5-2 through the seed discharging port 8-1, the seeds are led into the corresponding seeding port through the seeding cup outlet 5-1, the seeding port rotates to the seeding position below, the rotating plate opening and closing driving mechanism controls the opening of the seeding port opening and closing rotating plate 4, and the seeds are discharged through the seeding port, so that the seeding operation is completed.
The seed taking device is also provided with a seed blocking prevention structure: the seed taking device comprises a stirring component, wherein the stirring component is fixed in a seed accommodating cavity through a seed taking device supporting transmission shaft 7, when a roller 3 is used for sowing and rotating, the seed taking device supporting transmission shaft 7 drives the stirring component to rotate so as to stir seeds in the seed accommodating cavity, so that the seeds in a sowing box 1 are prevented from falling into the seed accommodating cavity to generate pressure so as to cause the seeds to be stacked and blocked in the seed accommodating cavity, and the phenomenon of missing sowing caused by untimely seed supply is avoided.
The seed taking spoon adaptation groove 9-2 is arranged on the side wall plate 9 of the seed conveying groove along the rotating track of the spoon part of the seed taking spoon 13, the spoon part rotates close to the inner wall of the seed taking spoon adaptation groove 9-2 so that seeds accommodated in the seed taking spoon adaptation groove are positioned at the inner side of the lower edge of the seed feeding window, the inner side of the lower edge of the seed feeding window is positioned at one side of the seed conveying cavity, and when the spoon part rotates from top to bottom and passes through the seed feeding window, the seeds directly fall into the seed conveying cavity downwards.
The seed conveying disc body 10 and the seed taking device supporting transmission shaft 7 are coaxially fixed together in a square shaft and square hole connection mode; the middle part of the side wall plate 9 of the seed conveying groove is provided with a round hole, the seed taking spoon fixing disc 12 is of a circular ring shape, and a screw is used for fixedly connecting the seed taking spoon fixing disc 12 with the seed conveying disc body 10 through the round hole in the seed taking spoon fixing disc 12.
The seed conveying groove side wall plate 9 is fixedly connected with the seed discharging cavity shell 8 through a rotation angle adjustable structure: a group of arc-shaped seed conveying groove side wall plate threaded connection holes 14 are formed in the seed metering cavity shell 8, and the seed conveying groove side wall plates 9 are in threaded connection with different seed conveying groove side wall plate threaded connection holes 14 so as to adjust the angle of the seed inlet window.
The stirring component in the seed blocking prevention structure is a fin stirring disk 15.
Working principle:
The roller 3 is rotated by driving the seeder travelling support 2, the seed taking device transmission support shaft drives the seed taking disc coaxially fixed with the seed taking device transmission support shaft, and the rotary seed conveying disc synchronously rotates to ensure that each seeding channel synchronously rotates; each seeding channel rotates in the process, the seed taking spoon 13 rotates from bottom to top, the spoon part of the seed taking spoon 13 picks up seeds in the seed accommodating cavity, when passing through the seed inlet window, the seeds picked up by the spoon part fall into the corresponding seed conveying cavity, the seed conveying cavity rotates and falls down, the seeds are poured into the seed discharging cavity, the seeds are discharged to the corresponding seeding cup inlet 5-2 through the seed discharging port 8-1, the seeds are led into the corresponding seeding port through the seeding cup outlet 5-1, the seeding port rotates to the seeding position below, the rotating plate opening and closing driving mechanism controls the opening of the seeding port opening and closing rotating plate 4 (the rotating plate opening and closing driving mechanism has various structural forms from the prior art, and the improved structure of the rotating plate opening and closing driving mechanism is described in detail in the patent with application publication number CN108353579A, the seeds are not repeated here), and the seeds are discharged through the seeding port, so that the seeding operation is completed.
Claims (1)
1. A duckbill type seeder comprises a seeding box (1), a seed taking device, a seeding device and a seeder travelling bracket (2); the seeding device comprises a roller (3), a plurality of duckbill seeding mechanisms are arranged along the circumferential direction of the wall of the roller (3), each duckbill seeding mechanism comprises a seeding opening arranged on the wall of the roller (3), a seeding opening and closing rotating plate (4) used for opening or closing the seeding opening, a rotating plate opening and closing driving mechanism, an inoculating cup (5) arranged on the inner side of the wall of the roller (3), and an inoculating cup outlet (5-1) is communicated with the seeding opening; the method is characterized in that: the seed extractor comprises a uniform seed metering mechanism and a seed extractor side cover (6);
the uniform seed metering mechanism comprises a seed taking device supporting transmission shaft (7), a rotary seed conveying structure and a seed taking disc;
the seed extractor supporting transmission shaft (7) is fixed with the roller (3) coaxially and is rotationally connected with the seeder travelling bracket (2);
the rotary seed conveying structure comprises a seed metering cavity shell (8), a rotary seed conveying disc and a seed feeding window of the seed conveying cavity; the seed metering cavity shell (8) is provided with a seed metering cavity, the seed metering cavity shell (8) is fixedly connected with the seeder walking bracket (2) and is rotationally connected with the seed extractor supporting transmission shaft (7) through a bearing, so that the seed extractor supporting transmission shaft (7) is supported on the axis of the seed metering cavity, and the bottom of the seed metering cavity is provided with a seed metering port (8-1); the rotary seed conveying disc comprises a seed conveying disc body (10), a plurality of seed conveying grooves (11) are circumferentially distributed around the seed conveying disc body (10), the seed conveying disc body (10) and the seed extractor supporting transmission shaft (7) are coaxially fixed together and are arranged in the seed discharging cavity, and one side with the seed conveying grooves (11) faces to the outer end; the seed feeding cavity seed feeding window comprises a seed feeding groove side wall plate (9), a wall plate opening (9-1) is formed in the seed feeding groove side wall plate (9), the seed feeding groove side wall plate (9) is fixedly connected with the seed feeding cavity shell (8) so as to be clung to the side wall of one side of the seed feeding disc body (10) provided with the seed feeding groove (11), the seed feeding groove (11) is attached to the side wall of the seed feeding groove to form a seed feeding cavity, and the opening end of the seed feeding cavity is positioned at the outer end edge of the seed feeding disc body (10); the seed extractor supporting transmission shaft (7) drives the rotary seed conveying disc to rotate relative to the seed conveying groove side wall plate (9), and when the seed conveying cavity passes through the wall plate opening (9-1), the wall plate opening (9-1) forms a seed inlet window on the seed conveying cavity side wall;
The seed taking disc comprises a seed taking spoon fixing disc (12) and a plurality of seed taking spoons (13), the seed taking spoons (13) are circumferentially arranged on the seed taking spoon fixing disc (12), and the spoon parts of the seed taking spoons (13) are provided with seed accommodating cavities with the same structure so as to accommodate equal amounts of seeds; the seed taking spoon fixing disc (12) is fixedly connected with the seed taking device supporting transmission shaft (7); and is arranged next to the side wall plate (9) of the seed conveying groove;
The seed taking device side cover (6) is fixedly connected with the seed sowing cavity shell (8) to form a seed taking device closed shell, and a seed accommodating cavity is formed in the seed taking device closed shell in a space between the seed conveying groove side wall plate (9) and the seed taking device side cover (6), and is provided with a seed inlet hole which is communicated with the seeding box (1); a seed sowing chamber is formed in a space between the seed conveying groove side wall plate (9) and the seed sowing cavity shell (8);
The rotary seed delivery structure is positioned in the roller (3), the seed taking scoops (13), the seed delivery grooves (11) and the duckbilled sowing mechanisms are respectively in one-to-one correspondence, the seed taking scoops (13) are respectively corresponding to the seed delivery grooves (11) and the duckbilled sowing mechanisms, and the seed delivery grooves (11) and the duckbilled sowing mechanisms form sowing channels respectively; when the roller (3) rotates, the seed taking disc which is fixed with the seed taking device through the seed taking device supporting transmission shaft (7) and the coaxial center of the seed taking device is driven to synchronously rotate, so that each seeding channel synchronously rotates; in the rotation process of each sowing channel, the seed taking spoon (13) rotates from bottom to top, the spoon part of the seed taking spoon (13) picks up seeds in the seed accommodating cavity, when the seeds pass through the seed inlet window, the seeds picked up by the spoon part fall into the corresponding seed conveying cavity, the seed conveying cavity rotates and falls down, the seeds are poured into the seed discharging cavity, the seeds are discharged to the corresponding seed cup inlet (5-2) through the seed discharging port (8-1), the seeds are led into the corresponding seed discharging port through the seed cup outlet (5-1), the seed discharging port rotates to a sowing position below, and the rotating plate opening and closing driving mechanism controls the seed discharging port opening and closing rotating plate (4) to open the seeds, so that the sowing operation is completed;
The seed taking device is also provided with a seed blocking prevention structure: the seed taking device comprises a stirring component, wherein the stirring component is fixed in the seed accommodating cavity through a seed taking device supporting transmission shaft (7), and when the roller (3) is used for sowing and rotating, the seed taking device supporting transmission shaft (7) drives the stirring component to rotate so as to stir seeds in the seed accommodating cavity, so that the seeds in the sowing box (1) are prevented from falling into the seed accommodating cavity to generate pressure so as to cause the seeds to be stacked and blocked in the seed accommodating cavity, and the phenomenon of missing sowing caused by untimely seed supply is avoided;
a seed taking spoon adapting groove (9-2) is arranged on the seed conveying groove side wall plate (9) along the rotating track of the spoon part of the seed taking spoon (13), the spoon part rotates close to the inner wall of the seed taking spoon adapting groove (9-2) so that the contained seeds are positioned at the inner side of the lower edge of the seed inlet window, the inner side of the lower edge of the seed inlet window is positioned at one side of the seed conveying cavity, and when the spoon part rotates from top to bottom and passes through the seed inlet window, the seeds directly drop downwards into the seed conveying cavity;
the seed conveying groove side wall plate (9) is fixedly connected with the seed discharging cavity shell (8) through a rotating angle adjustable structure: a group of arc-shaped seed conveying groove side wall plate threaded connection holes (14) are formed in the seed metering cavity shell (8), and the seed conveying groove side wall plates (9) are in threaded connection with different seed conveying groove side wall plate threaded connection holes (14) so as to adjust the seed inlet window angle;
The stirring component in the seed blocking prevention structure is a fin stirring disc (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027982.XA CN113767734B (en) | 2021-09-02 | 2021-09-02 | Duckbill seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111027982.XA CN113767734B (en) | 2021-09-02 | 2021-09-02 | Duckbill seeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113767734A CN113767734A (en) | 2021-12-10 |
| CN113767734B true CN113767734B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111027982.XA Active CN113767734B (en) | 2021-09-02 | 2021-09-02 | Duckbill seeder |
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| CN (1) | CN113767734B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113767736B (en) * | 2021-09-02 | 2024-05-03 | 河北永发鸿田农机制造有限公司 | Duckbill seeder is with getting kind ware |
| CN114365606B (en) * | 2021-12-17 | 2024-08-23 | 成都宇亨智能科技有限公司 | Seeder of placing type ligusticum wallichii and poria cocos planter |
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| CN113767736A (en) * | 2021-09-02 | 2021-12-10 | 河北永发鸿田农机制造有限公司 | Seed taking device for duckbilled seeder |
| CN216313918U (en) * | 2021-09-02 | 2022-04-19 | 河北永发鸿田农机制造有限公司 | Duckbilled seeder |
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| AR098148A1 (en) * | 2014-05-22 | 2016-05-04 | Alberto Gentili Jorge | SEED DISTRIBUTOR DEVICE BY DIRECT DRIVING |
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- 2021-09-02 CN CN202111027982.XA patent/CN113767734B/en active Active
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