Upward blowing type winnowing machine

Abstract

The invention discloses an upward blowing type winnowing machine comprises: a machine base and a draught fan, wherein the machine base is provided with an air duct, the air duct is provided with a vertical channel and a transverse channel, a ventilation plate which is obliquely arranged downwards and divides the vertical channel into an upper channel and a lower channel is fixedly arranged in the vertical channel, the draught fan is located below the ventilation plate, and the output end of a feeding mechanism is connected with the upper end of the ventilation plate; and a posture adjusting structure is arranged in the upper channel, the second end of the transverse channel is provided with a waste channel inclining downwards and an air outlet, the machine base is provided with an outlet communicated with the lower end of the waste channel, and the outlet is a waste port. Compared with the prior art, a downward blowing mode is adopted, and the air outlet is perpendicular to the air direction of the draught fan, so that finished products are prevented from being directly blown away to a waste product position, the screening quality is guaranteed, repeated screening is not needed, posture adjustment can be conducted on non-finished products, it is guaranteed that the non-finished products are blown into the transverse channel by upward blowing air, and the screening effect is better.

Description

technical field [0001] The invention relates to the field of winnowing equipment, in particular to an upward blowing winnowing machine. Background technique [0002] As we all know, when tea farmers are picking tea, they cannot pick only the buds on the tea tree accurately, and they usually pick and plant them together with the old leaves. In this way, in the process of tea making, it is necessary to winnow the green tea, select the finished products rolled into strips from the buds for the next tea making process, and screen out the non-finished products formed by the old leaves, so as not to affect the taste of the tea. The traditional screening method is manually placed on a dustpan for manual screening, the screening efficiency is very low, and the screening quality is unstable. For this reason, there is a winnowing machine for tea screening on the market. Its principle is to use the wind blown by the fan to screen out the tea raw materials, which is what tea merchants ...

AI Technical Summary

Problems solved by technology

This winnowing machine, because the fan blows directly against the air outlet, it is very easy to blow the finished product out from the air outlet, the screening quality is not ideal, and multiple screening operations are required

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