CN114271075A - Combined floating block type precision seed sowing mechanism and seed sowing method thereof - Google Patents
Combined floating block type precision seed sowing mechanism and seed sowing method thereof Download PDFInfo
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- CN114271075A CN114271075A CN202111350873.1A CN202111350873A CN114271075A CN 114271075 A CN114271075 A CN 114271075A CN 202111350873 A CN202111350873 A CN 202111350873A CN 114271075 A CN114271075 A CN 114271075A
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Abstract
The invention discloses a combined floating block type precision seed sowing mechanism, which mainly comprises: the floating block, a seed taking disc, a seed feeding cover, a seed metering device shaft and a seed throwing disc. The method is characterized in that: the seed taking plate and the seed throwing plate are coaxially arranged and mutually attached, the center of a seed taking plate seed metering hole corresponds to the center of a seed throwing groove on the seed throwing plate, the floating block is circumferentially arranged along a flange gap of the seed throwing plate, the seed feeding cover is buckled on the seed throwing plate to form a closed seed chamber, and the seed metering device shaft sequentially penetrates through the seed feeding cover, the seed taking plate and the seed throwing plate. The invention precisely picks seeds through a seed holding space and a seed setting hole on the seed picking disc, when the seeds pass through the floating block area, unstable seeds fall under the self gravity of the floating blocks, the interaction force among the floating blocks and the vibration of the seed sowing mechanism, and the seed picking disc rotates to pass through the seed throwing groove area of the seed throwing disc, so that the seeds transversely fall into the seed throwing cavity. The invention effectively solves the problem of fatigue failure of the elastic element in the prior seed metering mechanism technology, and can realize precision seeding of various crops.
Description
Technical Field
The invention belongs to the field of seeding mechanical equipment, and particularly relates to a combined floating block type precision seed metering mechanism and a seed metering method thereof.
Background
At present, the mechanical precision seed-metering device has wide application due to the characteristics of high cost performance and reliable work, but still has the following problems: the seed metering mechanism is single, and the universality to different seeds is poor; the elastic element is easy to fatigue and lose efficacy, which affects the service life of the seeding mechanism.
Disclosure of Invention
The invention aims to provide a combined floating block type precision seed metering mechanism which can realize precision seed metering of various crop seeds and prolong the service life of the seed metering mechanism.
The invention provides a combined floating block type precision seed sowing mechanism which comprises a floating block, a seed taking plate, a seed feeding cover, a seed sowing plate shaft and a seed throwing plate.
According to the invention, the seed taking disc and the seed throwing disc are coaxially arranged and mutually attached, the center of a seed metering hole on the seed taking disc corresponds to the center of a seed throwing groove on the seed throwing disc, a floating block is circumferentially arranged along a flange gap of the seed throwing disc, a seed feeding cover is buckled on the seed throwing disc, and a seed metering device shaft sequentially penetrates through the seed feeding cover, the seed taking disc and the seed throwing disc.
The two ends of the single floating block are processed into wedges, so that the seeds stably taken out from the fixed holes are prevented from being projected and impacted, and the height of the floating block is flush with the height of the seed throwing plate flange.
The seed feeding cover is provided with a slider chute for determining the moving track of the slider in the seeding process.
The seed feeding cover, the floating block and the seed throwing plate flange form a closed seed chamber together.
The invention has the beneficial effects that: the floating block in the middle of the seed metering mechanism is far away from the seed taking plate under the action of centrifugal force, no acting force is applied to the redundant seeds outside the seed metering hole, and only one seed is reserved in the seed metering hole; the floating block at the middle upper part of the seed metering mechanism is close to the seed taking plate under the interaction force of gravity and the floating block, and the acting force on the seeds in the seed metering hole is increased, so that the seeds are stably clamped. When seeds with different grain diameters are sown, the reaction force of the seeds on the floating block is increased, and finally the interaction force between the seeds and the floating block is balanced to achieve stable clamping, so that the universality of the seed sowing mechanism on the seeds with different grain diameters is improved.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, along throwing the slider of kind of a dish flange breach circumference installation, its quantity and mounting means can be adjusted according to seed metering actual work needs: when the angle of the seed cleaning area is reduced and the angle of the seed throwing area is increased, seeds transversely fall into the rear seed throwing cavity from the seed throwing groove in advance, the seed throwing circular arc groove can be moved leftwards along the center direction of the seed throwing circular arc groove, and the number of floating blocks is reduced.
The beneficial effect of adopting the further scheme is that: the angle of the seed clearing area is reduced, the angle of the seed throwing area is increased, the seeds transversely fall into the rear seed throwing cavity from the seed throwing groove in advance, the seeds can fall into the seed guide pipe from the seed metering mechanism as soon as possible, and therefore the seeds can fall to the soil seed bed more quickly.
Drawings
FIG. 1 is an exploded isometric view of a combined floating block type precision seed metering mechanism of the present invention.
FIG. 2 is a front view of a combined floating block type precision seed metering mechanism in a stepped section.
FIG. 3 is a rear view of a combined floating block type precision seed metering mechanism of the present invention.
Fig. 4 is a front view of a combined floating block type precision hill planter in a step section according to an embodiment of the present invention.
The list of components represented by the various reference numbers in the figures is as follows: 1. seed metering ware axle, 2, slider, 3, throw kind of a dish, 4, throw kind of a groove, 5, throw kind of a dish flange, 6, get kind of a dish, 7, decide kind of a hole, 8, slider spout, 9, advance kind of a mouth, 10, advance kind of a lid, 11, hold kind of a space, 12, seed guide, 13, driving disk, 14, pressure disk, 15, duckbilled cavitation ware assembly.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1.
As shown in attached figures 1, 2 and 3, the combined floating block type precision seed sowing mechanism comprises a floating block 2, a seed taking plate 6, a seed feeding cover 10, a seed sowing shaft 1 and a seed throwing plate 3. Wherein: two ends of a single floating block 2 are processed into wedges, a seed taking disc 6 is provided with a seed metering hole 7 and a seed holding space 11, a seed inlet cover 10 is provided with a seed inlet 9 and a floating block sliding groove 8, and a seed throwing disc 3 is provided with a seed throwing groove 4 and a seed throwing disc flange 5. The seed taking plate 6 and the seed throwing plate 3 are coaxially arranged and mutually attached, the center of a seed metering hole 7 on the seed taking plate 6 corresponds to the center of a seed throwing groove 4 on the seed throwing plate 3, the floating block 2 is circumferentially arranged along a gap of a flange 5 of the seed throwing plate, a seed feeding cover 10 is buckled on the seed throwing plate 3, a seed metering shaft 1 sequentially penetrates through the seed feeding cover 10, the seed taking plate 6 and the seed throwing plate 3, and the seed feeding cover 10, the floating block 2 and the flange 5 of the seed throwing plate jointly form a closed seed chamber. The device has reasonable and compact structure, realizes seed carrying, seed cleaning and seed throwing through the mutual matching of the floating block 2 and the seed taking disc 6, has accurate seed taking, long service life and high reliability; when seeds with different grain diameters are sown, the reaction force of the seeds on the floating block 2 is increased, and finally the interaction force between the seeds and the floating block is balanced to achieve stable clamping, so that the universality of the seed sowing mechanism on the seeds with different grain diameters is improved.
The combined floating block type precision seed sowing mechanism can be further optimized or/and improved according to actual requirements.
As shown in the attached figures 1, 2 and 3, the quantity and the installation mode of the floating blocks 2 which are arranged along the circumferential direction of the gap of the flange 5 of the seed throwing disc can be adjusted according to the actual working requirement of seed metering: when the angle of the seed clearing area is required to be reduced and the angle of the seed throwing area is increased, so that the seeds transversely fall into the rear seed throwing cavity from the seed throwing groove 4 in advance, the seed throwing groove 4 can be moved leftwards along the central direction of the seed throwing groove, the number of the floating blocks 2 is reduced, the area of the seed throwing plate flange 5 is increased, the seeds can fall into the seed guide pipe from the seed metering mechanism as soon as possible, and the seeds can fall to a soil seed bed more quickly.
Example 2.
As shown in fig. 4, a combined floating block type precision dibbler includes a combined floating block type precision seed metering mechanism according to embodiment 1, a vertically arranged movable disk 13, a vertically arranged pressure disk 14, a plurality of duckbill dibbler assemblies 15, and a plurality of seed guide tubes 12 corresponding to the duckbill dibbler assemblies 15 in number. Wherein, a plurality of duckbilled cavitation ware assembly 15 arranges and tightly laminates along the terminal surface of movable disk 13, and the laminating of the smart volume seed metering mechanism of combination slider formula is on the terminal surface that a plurality of seed guide 12 formed, and pressure disk 14 and movable disk 13 are connected and are used for injecing the relative position of a plurality of duckbilled cavitation ware assembly 15, and the one end of seed metering ware axle 1 is followed and is advanced kind of lid 10 and stretch out, and the other end is stretched out from movable disk 13.
The method comprises the following steps in the specific sowing implementation process of the combined floating block type precision hill planter.
S1, feeding a plurality of screened seeds into the seed chamber from the seed inlet 9, concentrating the seeds at the bottom of the seed chamber under the action of gravity, rotating the seed taking plate 6 to pass through the seed group, adjusting the moving postures of the seeds under the action of the seed holding space 11 to move forward in a row, and feeding one or two seeds into the seed metering hole 7.
S2, under the action of centrifugal force, the floating block 2 in the middle of the seed sowing mechanism is far away from the seed taking plate 6, the acting force on the redundant seeds outside the seed taking plate 7 is reduced, only one seed is reserved in the seed taking plate 7, the floating block 2 in the middle upper part of the seed sowing mechanism is close to the seed taking plate 6 under the interaction force of gravity and the floating block 2, and the acting force on the seeds in the seed taking plate 7 is increased, so that the seeds are stably clamped.
S3, when the seeds stably clamped in the seed metering hole 7 pass through the seed throwing groove 4 on the seed throwing disc 3, the seeds transversely fall into the seed guiding tube 12 under the action force of the floating block 2.
S4, along with the rotation of the combined floating block type precision hill planter, the seeds in the seed guide pipe 12 slide into the duckbilled hole forming device assembly 15 gradually, the combined floating block type precision hill planter rotates to be in contact with soil, the duckbilled hole forming device assembly 15 is opened, and the seeds smoothly fall into a seed bed opened by the duckbilled hole forming device assembly 15.
In the present invention, the term "a number" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present specification, the description of "a specific embodiment" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. The particular features, structures, materials, or characteristics described in this specification may be combined in any suitable manner in any one or more embodiments or examples.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A combined floating block type precision seed sowing mechanism mainly comprises: the seed metering device comprises a floating block (2), a seed taking disc (6), a seed inlet cover (10), a seed metering device shaft (1) and a seed throwing disc (3), and is characterized in that: the seed taking disc (6) and the seed throwing disc (3) are coaxially arranged and are mutually attached, the center of a seed fixing hole (7) on the seed taking disc (6) corresponds to the center of a seed throwing groove (4) on the seed throwing disc (3), the floating block (2) is circumferentially arranged along a notch of a flange (5) of the seed throwing disc, two ends of a single floating block (2) are processed into wedges to prevent the floating block from protruding to impact seeds stably taken out of the seed fixing hole (7), the height of the floating block (2) is flush with the height of the flange (5) of the seed throwing disc, a seed inlet cover (10) is buckled on the seed throwing disc (3), a floating block sliding groove (8) is arranged on the seed inlet cover (10) and used for determining the migration track of the floating block (2) in the seed metering working process, the seed inlet cover (10), the floating block (2) and the flange (5) of the seed throwing disc jointly form a closed seed chamber, and a seed metering shaft (1) sequentially penetrates through the seed inlet cover (10), the seed taking disc (6) and the seed metering disc (3), And (3) a seed throwing disc.
2. A seed sowing method adopting the precision seed sowing mechanism comprises the following steps:
s1: a plurality of screened seeds are fed into a seed chamber from a seed inlet (9), the seeds are concentrated at the bottom of the seed chamber under the action of gravity, a seed taking plate (6) rotates to pass through a seed group, the moving postures of the seeds are adjusted under the action of a seed holding space (11) to be arranged into a row to move forwards, and one or two seeds enter a seed setting hole (7);
s2: under the action of centrifugal force, the floating blocks (2) in the middle of the seed metering mechanism are far away from the seed taking plate (6), the acting force on redundant seeds outside the seed metering hole (7) is reduced, meanwhile, the seeds with different particle sizes vibrate when passing through the contact surfaces of the two floating blocks (2), the redundant seeds fall, only one seed is reserved in the seed metering hole (7), and the floating blocks (2) in the middle upper part of the seed metering mechanism are close to the seed taking plate (6) under the influence of superposed gravity, so that the seeds in the seed metering hole (7) are stably clamped;
s3: when seeds stably clamped in the seed metering hole (7) pass through the seed throwing groove (4) on the seed throwing plate (3), the seeds transversely fall into the seed throwing cavity under the action force of the floating block (2), and the working process is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111350873.1A CN114271075B (en) | 2021-11-15 | 2021-11-15 | Combined floating block type precise seed metering mechanism and seed metering method thereof |
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| CN202111350873.1A CN114271075B (en) | 2021-11-15 | 2021-11-15 | Combined floating block type precise seed metering mechanism and seed metering method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114667829A (en) * | 2022-04-21 | 2022-06-28 | 滁州学院 | Telescopic sleeve rod type precision seed taking device |
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| US20210300692A1 (en) * | 2020-03-25 | 2021-09-30 | Deere & Company | Coordinated control of commodity container pressure selection with run selection in a commodity delivery system of a work vehicle |
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| JPH08331913A (en) * | 1995-06-07 | 1996-12-17 | Kubota Corp | Fertilizing apparatus usable for direct sowing |
| JP2013046628A (en) * | 2012-10-30 | 2013-03-07 | Iseki & Co Ltd | Direct seeding machine |
| CN103168538A (en) * | 2013-04-15 | 2013-06-26 | 阿克苏金天诚机械装备有限公司 | Single-pressure sliding type precision seed taking hole planting device |
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| CN107295838A (en) * | 2016-12-08 | 2017-10-27 | 东北林业大学 | Double freedom becomes type hole discharge plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114667829A (en) * | 2022-04-21 | 2022-06-28 | 滁州学院 | Telescopic sleeve rod type precision seed taking device |
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| CN114271075B (en) | 2023-09-29 |
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