A socket-type precision seed metering device specially used for sowing wheat

Abstract

The invention belongs to the field of agricultural machinery, and in particular relates to an indented precise seed metering device specially used for sowing wheat. The seed metering device comprises a seed metering box and a seed metering wheel arranged in the seed metering box, wherein the seed metering box comprises a seed protecting board which encircles the circumferential wall of the outer side of the seed metering wheel; a plurality of indented circles are evenly distributed on the circumferential wall of the outer side of the seed metering wheel along the axial direction, and a plurality of indented holes are evenly formed in each indented circle along the circumferential direction; a seed inlet hole and a seed outlet hole are respectively formed in the top and the bottom of the seed protecting board along the axial direction; the seed inlet hole is provided with seed guide spacer plates between the adjacent indented circles, and the seed guide spacer plates are used for guiding seeds to enter the indented holes according to a preset direction; the seed metering box also comprises a rectangular frame, two side plates and two baffle plates, and the seed metering wheel and the seed protecting board are arranged between the two side plates in a clamping way; a seed clearing brush is arranged on the baffle plate which is in face of the rotating direction of the seed metering wheel. The indented precise seed metering device can realize precise sowing of wheat, and avoids the phenomenon that wheat grains are arranged side by side, overlapped or crowded.

Description

technical field [0001] The invention belongs to the field of agricultural machinery, and in particular relates to a socket-type precision seed metering device specially used for sowing wheat. Background technique [0002] Wheat is one of the main rations of the Chinese people, occupies an irreplaceable position in the dietary structure, and is also a very important commodity grain and trade grain. Reasonable and precise sowing can provide good growth conditions for wheat and improve the utilization efficiency of wheat on soil nutrition, water and sunlight, coordinate the relationship between wheat individuals and groups, make wheat earing rate high, grains are more and fuller, and realize wheat's fullness. High quality and high yield. [0003] In actual production, the seed metering device for sowing wheat mostly adopts the outer groove wheel type seed metering device. The outer groove wheel type seed metering device is not a precision seed metering device. There is pulsat...

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Problems solved by technology

[0003] In actual production, the seed metering device for sowing wheat mostly adopts the outer grooved wheel type seed metering device. The outer grooved wheel type seed metering device does not belong to the precision seed metering device. There is pulsation in the type seed meter, which leads to the lack of seedlings and ridges during the sowing process, or the congestion of wheat seedlings, which greatly reduces the utilization rate of land resources.

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