CN201274666Y

CN201274666Y - Thresher for millet

Info

Publication number: CN201274666Y
Application number: CNU200820133256XU
Authority: CN
Inventors: 王兰安
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-11
Filing date: 2008-09-11
Publication date: 2009-07-22
Anticipated expiration: 2018-09-11

Abstract

The utility model relates to an agricultural machine tool, in particular to a millet threshing machine. The millet threshing machine comprises a frame, a feed opening, a discharge opening, a threshing chamber and a thresher concave sieve, wherein, the threshing chamber and a blower box are arranged at the front end and at the rear end on the frame respectively, the threshing chamber adopts the structure of a cylinder box body, a threshing roller is mounted inside, the threshing roller is provided with a stirring screen plate, a driving wheel is sleeved at the shaft end thereof, a single-layer thresher concave sieve and a double-layered thresher concave sieve are mounted at the lower part of the threshing chamber in sequence, a big separating chamber and a small separating chamber are arranged in the blower box, the big separating chamber is provided with a fan, the driving wheel is sleeved at the shaft end of the fan, the big separating chamber of the blower box is provided with a feeding hose corresponding to the double-layered thresher concave sieve, the small separating chamber is provided with a feed delivery pipe corresponding to a material distributing box, a whirlwind screening tube and the material distributing box are mounted at the front end of the frame respectively, the whirlwind screening tube adopts the structure of a cylinder at the upper part and a cone at the upper part, and an air inlet of the cylinder at the upper part is connected with the big separating chamber of the blower box through an air duct. The utility model has the advantages that the mixed material of the millet after threshing can be cleanly removed through the thresher concave sieve and the whirlwind screening tube arranged, so that the high threshing rate is achieved, and the cleaning effect is good.

Description

The grain threshing machine

Technical field:

The utility model relates to a kind of farm implements, especially a kind of grain threshing machine.

Background technology:

Existing grain threshing mode has two kinds, and the one, manpower processing adopts flail to beat, inefficiency, labour intensity is big; The 2nd, machined is pulverized threshing by pinch roller, but weak effect, the sorting difficulty is big.

Summary of the invention:

The technical problems to be solved in the utility model is: a kind of efficient height, threshing performance height are provided, clean effective grain threshing machine.

The technical scheme that solves its technical problem employing is:

A kind of grain threshing machine; comprise: frame; charging aperture; discharging opening; threshing chamber; concave grate; the front and back end is respectively arranged with threshing chamber on the described frame; air box; described threshing chamber is the cylinder body structure; in grain threshing roller is housed; described grain threshing roller is provided with the stirring sieve plate; its shaft end is with driving wheel; the threshing chamber below is equipped with the individual layer concave grate successively; double-deck concave grate; be provided with big in the described air box; little separation chamber; big separation chamber is provided with fan; the fan axle head is with driving wheel; the big separation chamber of air box is provided with and the corresponding suction tube of double-deck concave grate discharge end; little separation chamber is provided with the conveying pipeline corresponding with distribution box; the frame front end is equipped with the whirlwind screen drum respectively; distribution box, described whirlwind screen drum is presented portion's cylinder; the lower cone structure, its top cylinder air inlet is connected by the big separation chamber of guide duct and air box.

Compared with prior art, the beneficial effects of the utility model are:

Assorted material behind the grain threshing totally can be removed by the concave grate and the whirlwind screen drum that are provided with, reach the threshing performance height, clean effective.

Description of drawings:

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

Fig. 2 is a plan structure schematic diagram of the present utility model.

Among the figure: whirlwind screen drum 1, blower fan suction inlet 2, double-deck concave grate upper strata discharging opening 3, bilayer concave grate lower floor discharging opening 4, distribution box 5, guide duct 6, suction tube 7, air box 8, blower fan discharge nozzle 9, threshing chamber discharging opening 10, grain threshing roller 11, threshing chamber charging aperture 12, driving wheel 13, individual layer concave grate 14, double-deck concave grate 15, frame 16, the recessed sieve plate discharging opening 17 of individual layer.

Embodiment:

The utility model is described in further detail below in conjunction with drawings and Examples:

A kind of grain threshing machine; by whirlwind screen drum 1; blower fan suction inlet 2; double-deck concave grate upper strata discharging opening 3; bilayer concave grate lower floor discharging opening 4; distribution box 5; guide duct 6; blower fan feed pipe 7; air box 8; blower fan discharge nozzle 9; threshing chamber discharging opening 10; grain threshing roller 11; threshing chamber charging aperture 12; driving wheel 13; individual layer concave grate 14; double-deck concave grate 15; frame 16; the recessed sieve plate discharging opening 17 of individual layer constitutes; the front and back end is respectively arranged with threshing chamber on the described frame 16; air box 8; described threshing chamber is the cylinder body structure; in grain threshing roller 11 is housed; described grain threshing roller 11 is provided with the stirring sieve plate; its shaft end is with driving wheel 13; the threshing chamber below is equipped with individual layer concave grate 14 successively; double-deck concave grate 15; be provided with big in the described air box 8; little separation chamber; big separation chamber is provided with fan; the fan axle head is with driving wheel; the big separation chamber of air box is provided with and the corresponding suction tube 7 of double-deck concave grate 15 discharge ends; little separation chamber is provided with the conveying pipeline corresponding with distribution box 9; the frame front end is equipped with whirlwind screen drum 1 respectively; distribution box 5; described whirlwind screen drum 1 is the top cylinder; the lower cone structure, its top cylinder air inlet is connected with air box 8 big separation chamber by guide duct 6.

Grain threshing roller driving wheel 13 described in the present embodiment and fans drive wheel are in transmission connection by belt and motor.

Operation principle of the present utility model is summarized as follows:

At first motor is opened, driven by motor grain threshing roller 11 driving wheels rotate, the grain ear of harvesting is put into threshing chamber by charging aperture 12 carry out threshing, through grain threshing roller 11 extruding and stirring grain is split away off from grain ear, paddy is scratched son and is discharged from threshing chamber discharging opening 10 by the stirring sieve plate on the grain threshing roller 11, the paddy nightstool that splits away off, grain, cavings, not plump millet drops on the individual layer concave grate 14 through threshing chamber bottom blanking port, through the sieve that tentatively shakes, grain, cavings, not plump millet and the band grain paddy nightstool of a little are fallen on the double-deck concave grate 15 by individual layer concave grate 14 sieves, most of paddy nightstool is discharged by individual layer concave grate 14 discharging openings 17, again through the secondary sieve that shakes, cavings, not plump millet and the band grain paddy nightstool of a little will be stayed double-deck concave grate 15 upper stratas, grain is fallen double-deck concave grate 15 lower floors with sieve, flow out from grain discharging opening 4, band grain paddy nightstool flows out from double-deck concave grate 15 upper strata discharging openings 3, reclaim the back and carry out postsearch screening by threshing chamber charging aperture 12, start blower fan, cavings and not plump millet are sucked from the blower fan suction inlet 2 that is arranged on double-deck concave grate 15 upper strata discharging openings, enter the air box sorting through conveying pipeline 9, cavings is flowed out through whirlwind screen drum 1 by guide duct 6 through big separation chamber, not plump millet is flowed out from not plump millet discharging opening through conveying pipeline 9 by little separation chamber, and grain and not plump millet are through distribution box 5 sortings.

Claims

1; a kind of grain threshing machine; comprise: frame; charging aperture; discharging opening; threshing chamber; concave grate; it is characterized in that the front and back end is respectively arranged with threshing chamber on the described frame; air box; described threshing chamber is the cylinder body structure; in grain threshing roller is housed; described grain threshing roller is provided with the stirring sieve plate; its shaft end is with driving wheel; the threshing chamber below is equipped with the individual layer concave grate successively; double-deck concave grate; be provided with big in the described air box; little separation chamber; big separation chamber is provided with fan; the fan axle head is with driving wheel; the big separation chamber of air box is provided with and the corresponding suction tube of double-deck concave grate discharge end; little separation chamber is provided with the conveying pipeline corresponding with distribution box; the frame front end is equipped with the whirlwind screen drum respectively; distribution box, described whirlwind screen drum is presented portion's cylinder; the lower cone structure, its top cylinder air inlet is connected by the big separation chamber of guide duct and air box.

2, grain threshing machine according to claim 1 is characterized in that described grain threshing roller driving wheel and fans drive wheel is in transmission connection by belt and motor.