Seed screening device

Abstract

The invention discloses a seed screening device. The seed screening device comprises a device shell, a feeding opening, a liquid discharging opening and a switch valve, wherein the upper end and the lower end of the device shell are provided with the feeding opening used for feeding and the liquid discharging opening used for discharging water respectively, the liquid discharging opening is provided with the switch valve used for controlling opening and closing of the liquid discharging opening, the device further comprises a winnowing mechanism, a movable baffle, a water separation mechanismand a driving mechanism, and the winnowing mechanism comprises a winnowing mechanism body, a limiting baffle and an air blowing mechanism. According to the seed screening device, by arranging the winnowing mechanism and the water separation mechanism, wizened seeds and the like in seeds can be separated out, by arranging the driving mechanism, the separation effect can be further improved, and byarranging a uniform discharging mechanism, the seeds can be uniformly discharged, so that the separation effect can be further improved.

Description

technical field [0001] The invention relates to the field of agricultural machinery, in particular to a seed screening device. Background technique [0002] Before sowing in agriculture, the seeds need to be screened to screen out the shriveled seeds, dust and pebbles inside the seeds. Most of the existing screening methods are divided into wind screening and water screening. The dry seeds and dust are blown out, but this will make some dry seeds still mixed in the full seeds, resulting in incomplete screening; water screening refers to placing the seeds in the water, and the full seeds will be separated by the buoyancy of the water. The internal dust and shriveled seeds are separated, but because the seeds are still in the water, some of the shriveled seeds cannot be separated, and the separation effect is poor. Contents of the invention [0003] The object of the present invention is to provide a seed screening device to solve the problems raised in the above-mentioned ...

AI Technical Summary

Problems solved by technology

[0002] Before sowing in agriculture, the seeds need to be screened to screen out the shriveled seeds, dust and pebbles inside the seeds. Most of the existing screening methods are divided into wind screening and water screening. The dry seeds and dust are blown out, but this will make some dry seeds still mixed in the full seeds, resulting in incomplete screening; water screening refers to placing the seeds in the water, and the full seeds will be separated by the buoyancy of the water. The internal dust and shriveled seeds are separated, but because the seeds are still in the water, this will also make it impossible to separate some of the shriveled seeds, and the separation effect is poor

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