Quantitative seed dropping mechanism

A technology of dropping and dropping seeds, which is applied in the direction of interval-type quantitative seeding machinery and parts of seeders, can solve the problems of difficulty in controlling the amount of seeding, poor reliability of seeding, and achieve convenient and efficient seeding. Uniform and stable effect

Pending Publication Date: 2017-12-05
湖州南浔丰韵农业生态有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the above-mentioned shortcomings, the present invention designs a seed dropping mechanism to solve the technical problems of poor seed dropping reliability and difficult control of the seed quantity of existing similar products

Method used

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Embodiment Construction

[0014] Now in conjunction with accompanying drawing, the present invention is described as follows.

[0015] Such as Figure 1-3 As shown, the quantitative seeding mechanism includes a seeding box 1, a guide sleeve seat 2, an upper seeding valve plate 6, a seeding valve block 4, a falling seeding valve plate 8, and a seeding guide seat 9. The bottom of the seeding box 1 is provided with There is a row of seed drop tubes 101 distributed at intervals, and the position at the entrance of the seed drop tube 101 in the seed drop box 1 is funnel-shaped. The guide sleeve seat 2 is integrated with the guide sleeve 201 which is matched with the seed drop tube 101 at the bottom of the seed drop box 1 one by one, and a low and tight return spring 4 is arranged between the guide sleeve seat 2 and the bottom of the seed drop box 1 . The upper seed valve plate 6 is provided with a first seed valve port 601 corresponding to each guide sleeve 201 end of the guide sleeve seat 2 one by one. T...

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PUM

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Abstract

The invention relates to a quantitative seed dropping mechanism. The quantitative seed dropping mechanism comprises a seed dropping box, a guide sleeve seat, an upper seed dropping valve plate, a seed dropping valve block and a lower seed dropping valve plate. The bottom of the seed dropping box is provided with a row of seed dropping pipes arranged at intervals. Guide sleeves fitting to sliding sleeves corresponding to the seed dropping pipes at the bottom of the seed dropping box are integrated to the guide sleeve seat. The upper seed dropping valve plate is provided with first seed dropping valve ports corresponding to the ends of the guide sleeves. The lower seed dropping valve plate is provided with second seed dropping valve ports corresponding to the ends of the first seed dropping valve ports. The first seed dropping valve ports and second seed dropping valve ports are spring piece-type openings so that spring pieces are formed in the openings. The seed dropping valve block is provided with valve sleeves for communicating the corresponding the first and second seed dropping valve ports. The upper ends of the valve sleeves press against the spring pieces of the first seed dropping valve ports and the lower ends of the valve sleeves press against the spring pieces of the second seed dropping valve ports. In an initial state, the first and second seed dropping valve ports form the opening limiting seed passing. The quantitative seed dropping mechanism has seed dropping convenience and reliability, realizes quantitative seed discharge and has a uniform seed discharge amount.

Description

technical field [0001] The invention relates to agricultural machinery and is a quantitative seed dropping mechanism. Background technique [0002] The seed dropping mechanism is an indispensable mechanism on the seeder, through which automatic seed dropping can be realized, thereby facilitating the sowing operation. However, most of the existing seed-dropping mechanisms use the principle of quantifying first and then seed-dropping, that is, passing through a seed-loading roller first, and the seed-loading roller is provided with evenly distributed grooves, and the grooves are used as quantitative seed-loading chambers. The seed-loading drum rotates, and the seeds rotate from the inner chamber of the seed-dropping box to the seed-dropping port along with the groove, so as to realize quantitative seed-dropping. Although this kind of seed dropping mechanism can realize quantitative seeding, the amount of seeding is not easy to adjust, and the problem of seed jams is prone to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C7/20A01C7/18
CPCA01C7/18A01C7/20
Inventor 沈学方
Owner 湖州南浔丰韵农业生态有限公司
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