Automatic rice screener and rice screening method

Abstract

The invention provides an automatic rice screener and a rice screening method. The automatic rice screener comprises a side plate, a hopper, a blow mechanism and a screening mechanism, wherein the hopper, the blow mechanism and the screening mechanism are disposed on the side plate sequentially from top to bottom. The blow mechanism comprises a motor and fan blades, wherein the motor is disposed on the side plate and the fan blades are driven to rotate by the motor. The screening mechanism comprises a screen holder reciprocating below the hopper and a screen which is nested in the screen holder and which moves with the screen holder. One end of the screen holder is provided with a rectangular guide groove. A guide post driven by a drive device to do circular motion constantly is disposed inside the guide groove. When the guide post does circular motion, the guide post contacts with two long sides of the guide groove, perpendicular to a slide, by turns, and the screen holder is pushed to reciprocate along the slide; the fan blades disposed on the side of grains falling from the hopper to the screen blow air towards the grains. The grains are automatically screened twice by the mechanical device, so that impurities inside can be screened and clean grains are obtained; the whole process is efficient and saves energy.

Description

[0001] technical field [0002] The invention belongs to the field of mechanical design and manufacture of agricultural grain screening, and in particular relates to an automatic rice screening device and a method for automatically screening rice using the device. Background technique [0003] After the annual grain harvest in the countryside, the problem of drying the grain is faced. With the disappearance of the original large grain farms in the countryside, farmers generally directly dry the grain on the ground. After drying, there will be gravel, soil particles and other Tiny debris. Factors need a rice sieving device to sieve out foreign matter, so as to obtain cleaner grain. Contents of the invention [0004] Purpose of the invention: In order to solve the problem that farmers cannot sieve out the impurities in the grain with a dustpan, and it is time-consuming and labor-intensive, the present invention provides an automatic rice sieving devi...

AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: In order to solve the problem that farmers cannot sift out the impurities in the grain with a dustpan, and it is time-consuming and labor-intensive, the invention provides an automatic sieve Rice device, and provides a method for automatic rice sifting using the device, thereby improving the efficiency of farmers sifting rice

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