Seed metering mechanism for directional seeding and secondary compacting seeder

Abstract

The invention relates to a seed metering mechanism for directional seeding and a secondary compacting seeder. The seed metering mechanism comprises a seeding ring, wherein the two ends of the seedingring are closed through end plates, and a plurality of through holes are evenly formed in the side wall of the seeding ring in the circumferential direction; each through hole is fixedly provided witha fixed duckbill with an inner channel, one end of each fixed duckbill stretches into the corresponding through hole, and the other end of each fixed duckbill stretches out in the direction away fromthe corresponding through hole; each fixed duckbill is rotationally connected with a movable duckbill, a spring is installed between each movable duckbill and the outer wall of the seeding ring, themovable duckbills can achieve opening and closing conversion of the ends, away from an inner cavity of the seeding ring, of the inner channels in the rotating process, sliding boards are arranged in the fixed duckbills, and the sliding boards are used for conveying seeds; the extension curve of the sliding boards is set as follows: when the seeds fall from the end, away from the seeding ring, of the sliding boards, the seeds are in a horizontal state.

Description

technical field [0001] The invention belongs to the technical field of agricultural machinery, and in particular relates to a seed metering mechanism for directional seeding and a secondary suppression seeder. Background technique [0002] "Full seedlings, uniform seedlings, uniform seedlings, and strong seedlings" are the prerequisites for high peanut yield. At present, peanut planters usually use double-disc ditching devices to open seed furrows, and then use slot wheels or air-suction seed metering devices. The seeds are discharged, and finally the seeds fall into the seed ditch through the seed guide tube. In the process of agricultural production, the sowing process of some other crops is similar to that of peanuts, and the description below will only take peanuts as an example. [0003] The inventor has learned that the soil before sowing peanuts will be sorted with a rotary tiller to loosen the soil and increase air permeability. However, this soil preparation metho...

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Problems solved by technology

[0006] The purpose of the present invention is to provide a kind of seeding mechanism for directional planting and a secondary suppression seeder, which can solve the problem of soil loosening and poor contact between peanut seeds and soil caused by rotary tillage machines in existing peanut sowing; When the germs fall into the seed ditch, the orientation of the germs is inconsistent, resulting in inconsistent emergence time of peanuts

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