Highly-throwing rice sieving machine

Abstract

The invention belongs to the technical field of agricultural mechanical equipment, and specifically discloses a highly-throwing rice sieving machine. The highly-throwing rice sieving machine comprises a highly-throwing frame, wherein a charge port is formed in the top end of the highly-throwing frame, a discharge port is formed in the bottom end of the highly-throwing frame, an opening used for discharging vacant shells is formed in one sidewall of the highly-throwing frame, a vertical slide way is formed in a sidewall opposite to the opening, of the highly-throwing frame, a fan is installed on the slide way, and the fan is slidably connected with the highly-throwing frame; and the distance between the top end and the bottom end of the highly-throwing frame is 1-3m. Compared with the traditional fan sieving, the equipment is capable of throwing and dispersing rice, capable of greatly achieving a sieving purpose by matching with a position design for a fan, thorough in sieving, capable of sieving according to the proportions of impurities contained in rice to meet different sieving needs, and high in practicability.

Description

technical field [0001] The invention relates to the technical field of agricultural machinery and equipment, in particular to a high-throwing rice screening machine. Background technique [0002] Rice is a kind of herbaceous Oryza genus, and it is also the most important and oldest kind of grain in Oryza genus. It is also called Asian cultivated rice, and it can be said to be rice in simple terms. It is an annual, gramineous plant, monocotyledonous, sexually warm and humid, about 1 to 1.8 meters high when mature, with slender leaves, about 50 to 100 cm long and 2 to 2.5 cm wide. The flowers of rice are very small. When blooming, the main flowering branches will be arched, and small flowers will bloom between 30 and 50 cm below the branches. Most of them are self-pollinating and set seeds, which are called rice spikes. Generally, the size of the rice ear is 5 to 12 mm long and 2 to 3 mm thick. Rice is native to China and is one of the world's main food crops. The sown area ...

AI Technical Summary

Problems solved by technology

The traditional screening work is done by windmills or manual shaking. The screening effect of this method is greatly affected by human factors, the screening is not thorough, and the labor consumption is large and the efficiency is low.

The improved screening machine uses the blower to discharge the empty shells to achieve screening. Due to the limitation of the structural design of the screening machine, the falling distance of the rice is shorter, and the falling speed of the rice is faster. The rice cannot be scattered, and the fan cannot Completely blow away the empty husks mixed with rice, resulting in incomplete screening, therefore, it is necessary to make improvements

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