CN2313370Y

CN2313370Y - Blow separator of drum rice thresher

Info

Publication number: CN2313370Y
Application number: CN 97227131
Authority: CN
Inventors: 王有增
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-09-26
Filing date: 1997-09-26
Publication date: 1999-04-14
Anticipated expiration: 2007-09-26

Abstract

The utility model relates to a winnowing mechanism for a rolling cylinder type rice thresher, which is composed of a blower, an upper layer winnowing sieve and a lower layer winnowing sieve, wherein the blower is at the same shaft with a rolling cylinder, wind suction cylinders are arranged on both sides of the blower, a wind suction port at the inner side is near to the upper layer winnowing sieve and a wind suction port at the outer side is arranged at the grain flow falling position of the lower layer winnowing sieve. Because of the structure, the threshing, the winnowing and the separation are thorough, the cleaning rate is high, the entrainment loss is reduced and the utility model can be used by the existing rice thresher.

Description

Drum-type rice thresher pneumatic separator

The utility model relates to the improvement of paddy-eliminator pneumatic separator.

No matter existing drum threshing machine is full feeding or half feeding form, and their sorting mechanism all is to establish the moving sieve of an individual layer below machine, and blower fan is held coaxial with it at cylinder, and the both sides of blower fan are provided with wind channel, and the inlet scoop is located at pastes on the compass screen surface.Its shortcoming is, the threshing mixture on moving sieve has about 1cm thick, and the inlet scoop also siphons away part and becomes grain in absorbing assorted surplus process, and cleans not thoroughly, and grain decreases big, and clean rate is low.

The purpose of this utility model is a kind of paddy-eliminator pneumatic separator of design, cleans in operation thoroughly, and does not carry the grain of rice secretly.

The utility model is made up of upper and lower double-deck sorting screen and blower fan.The upper strata sorting screen is a griddle, and the grain of rice that can leak down leaches big foreign material; Preceding half section of lower floor's sorting screen is little hole sizer, and it is broken to screen out dust, keeps the grain of rice and a little bigger foreign material here; The second half section of lower screen is a griddle, falls the grain of rice, above a little bigger foreign material float over.Blower fan is coaxial with cylinder, is arranged on cylinder and does not hold, and two wind sucting tubes are located at the both sides of blower fan respectively, and upper sieve is pressed close in inboard inlet scoop, and the tail end that inlet scoop, the outside the is located at lower screen grain stream place that falls is provided with air-flow plate on wind sucting tube.

When the thresher operation, drop on the threshing mixture of upper strata sorting screen, through separating for the first time, lower floor's sorting screen carries out second time again to be separated, and will sieve the excess of mixing and send into not hold by blower fan and siphon away, discharge, and the grain of rice is exported from the mouth of putting out cereal.This mechanism makes grain of rice clean rate height, saves man-hour, reduces entrainment loss.

Fig. 1 is a structural representation of the present utility model.

Now in conjunction with the accompanying drawings, narrate concrete structure of the present utility model.The utility model mainly is made up of upper and lower two-layer sorting screen 14,2 and blower fan 11, wherein upper sieve 14 is a griddle 13, lower screen 2 leading portions are aperture sieve 3, back segment is a griddle 15, sieve nest drives by crank connecting link 1 and drives, be to connect grain plate 4 below lower floor's griddle 15, the grain grain is exported with putting out cereal 7 mouthfuls by slide plate 6, and is assorted surplus from impurity discharging port 5 discharges.Blower fan 11 with roll coaxially 9, in the blower fan both sides wind sucting tube 12,8 is set respectively, the upper strata screen cloth is pressed close in inlet scoop, lining 12, outer inlet scoop 8 is located at grain stream place, 10 is air-flow plate.

Claims

1, drum-type rice thresher pneumatic separator; form by blower fan (1) and upper and lower two-layer sorting screen (14,2); it is characterized in that the upper strata sorting screen is for falling the griddle (13) of the grain of rice; lower floor's sorting screen leading portion is for keeping the little hole sizer (3) of the grain of rice here; back segment is the griddle (15) that falls the grain of rice; blower fan (11) and cylinder coaxial (9); two wind sucting tubes are located at the blower fan both sides respectively; upper sieve is pressed close in inboard inlet scoop (12), the tail end that inlet scoop, the outside (8) are located at lower screen (15) the grain stream place that falls.