Anti-crushing grain screening device with duplex roller

Abstract

The invention discloses an anti-crushing grain screening device with a duplex roller, and relates to the technical field of grain screening machines. The anti-crushing grain screening device comprisesa duplex roller sieve which is driven to rotate through a first motor. The duplex roller sieve comprises a first sieving barrel and a second sieving barrel. The second sieving barrel is located in the first sieving barrel, and the axes of the second sieving barrel and the first sieving barrel are the same. One end of a receiving barrel communicates with one end of the second sieving barrel. A screw augur is located in a closed space formed by the receiving barrel and the second sieving barrel. The screw augur is driven to rotate through a second motor. The duplex roller sieve, the screw augur, a grain storing trough, a first sundry groove, a second sundry groove, the first motor and the second motor are fixed on a fixing frame. A winnowing fan is fixed to the position, on one side of thegrain storing trough, of the fixing frame. According to the anti-crushing grain screening device with the duplex roller, by using the duplex roller sieve and the screw augur, the screening efficiencyis improved, and screening is clean; and through screening of the roller sieve and installing of a brush on the side surface of a spiral blade, sieving holes are cleaned effectively while crushing ofgrains is avoided.

Description

technical field [0001] The invention belongs to the technical field of grain screening machines, in particular to a compound drum anti-breaking grain screening device. Background technique [0002] Grain screening technology is a key process in the process of grain processing. The existing screening technology mostly uses vibrating screen screening and drum screening. [0003] In the process of grain screening, although the vibrating screen is efficient and clean, it is easy to cause the grain to be broken due to the vibration motor; while the drum type screening can avoid the damage of the grain, but due to the single screening procedure, the screening is not clean and the screening efficiency is low. The drum sieve is not easy to clean the sieve holes. Contents of the invention [0004] The object of the present invention is to provide a compound drum anti-breakage grain screening device. By adopting a compound drum screen and a spiral auger, the screening efficiency is...

AI Technical Summary

Problems solved by technology

[0003] In the process of grain screening, although the vibrating screen is efficient and clean, it is easy to cause the grain to be broken due to the vibration motor; while the drum type screening can avoid the damage of the grain, but due to the single screening procedure, the screening is not clean and the screening efficiency is low. The drum sieve is not easy to clean the screen holes

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