A slotted tooth combined seeding disc for high-speed seeding of small spherical seeds

Abstract

The invention discloses a slotted tooth combined seeding disk for high-speed seeding of small spherical seeds. The center of the seeding disk is provided with a positioning hole, and the seeding disk is provided with a plurality of spaced constraints arranged concentrically with the positioning hole. Slots, seed disturbing teeth are formed between any two adjacent restraining grooves; the restraining grooves are provided with a first adsorption channel, and the seed disturbing teeth are provided with a second adsorption channel. The present invention adopts the combined structure of slotted teeth to perform directional disturbance on the population, breaking the stable accumulation state of the population, so that a small amount of seeds can be quickly separated from the population into a fixed ring groove channel to be freely captured and accurately adsorbed by the adsorption channel, so as to improve seed discharge. High efficiency, realize high-speed seeding, at the same time, the slotted tooth combined seeding plate has low population friction, large disturbance, and small scratching force with the baffle in the seed metering device, which is not easy to cause damage to the seed coat.

Description

technical field [0001] The invention relates to the technical field of agricultural precision seeding machinery and equipment, in particular to a slotted tooth combined seeding disc for high-speed seeding of small spherical seeds. Background technique [0002] Spherical small particle size seeds refer to seeds with a sphericity of not less than 80% and an average particle size of not more than 3mm, which mainly include rapeseed, millet, alfalfa, flowers and some vegetable seeds, etc. Although they have high sphericity and good fluidity, However, due to the small particle size, weak shear resistance and large difference in sowing rate, it is difficult to achieve universal precision sowing in the field. Universal precision seeding technology has the advantages of saving time, labor, and seeds. Developing an economical, practical, light, energy-saving, universal and reliable spherical small-size precision seed metering device is an important way to save costs and increase effic...

AI Technical Summary

Problems solved by technology

However, there are still the following problems: first, the disturbance intensity of the chute to the population is not large, and the seeds are difficult to be separated from the population and absorbed by the holes; second, the directional disturbance of the chute to the population is not obvious, and it is difficult to break the population Stable stacking state, which is not conducive to the separation of seeds from the population

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