CN210328581U

CN210328581U - Double-drum thresher

Info

Publication number: CN210328581U
Application number: CN201921163196.0U
Authority: CN
Inventors: 简小勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-17
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a twin drum thresher, including frame, main bucket, vice bucket, fan, main screen cloth, vice screen cloth, main cylinder, vice cylinder and material mouth of threshing, its characterized in that, the inside of vice bucket of threshing is provided with the helical blade who is located vice cylinder below, and helical blade's quantity is 1-2, helical blade keeps away from the directional row's of the slag notch department on the vice bucket of threshing of one end of main bucket of threshing. The utility model provides the high continuity of straw processing to improve the efficiency of threshing the straw greatly, avoided appearing the winding condition of straw, simplified the structure of design, reduced the cost of manufacturing.

Description

Double-drum thresher

Technical Field

The utility model relates to the technical field of agricultural machinery, especially, relate to a twin drum thresher.

Background

Rice is one of the main grain crops in China and is the main economic source of farmers. However, in China, many paddy fields belong to hilly lands, land parcels are small, and farmers spend time in harvesting, and the rice thresher is widely applied as a small agricultural machine and can separate crop grains from stalks.

Double-drum thresher among the prior art, when threshing, the crop is from the feeding mouth feeding of main threshing barrel, thresh along with main cylinder rotation, transmit to vice threshing barrel from the material mouth between main threshing barrel and the vice threshing barrel, often can appear threshing and beat incompletely, threshing and net rate low and the high condition of cereal breakage rate, it is poor to the transmission stability of corn in its inside simultaneously, the condition of backward flow appears easily, influence the normal operation of thresher, can not be fine screen rice and wheat granule, the efficiency of rice and wheat thresher thresh is lower relatively. Therefore, it is desirable to design a twin drum thresher to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a double-roller thresher.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a double-drum threshing machine comprises a machine frame, a main threshing drum, an auxiliary threshing drum, a fan, a main screen, an auxiliary screen, a main drum, auxiliary drums and a material port, and is characterized in that spiral blades located below the auxiliary threshing drum are arranged inside the auxiliary threshing drum, the number of the spiral blades is 1-2, and one end, far away from the main threshing drum, of each spiral blade points to a residue discharge port on the auxiliary threshing drum.

Furthermore, the auxiliary roller is composed of a plurality of straight rollers and fixed disks positioned at two ends, and a plurality of straight teeth are welded on the outer wall of each straight roller.

Furthermore, the inside of the main threshing barrel is provided with a grass discharging knife positioned below the main roller, and one end of the grass discharging knife points to the material port.

Furthermore, an open structure is adopted above the material inlet of the main threshing barrel.

The utility model has the advantages that:

1. through helical blade and the straight-teeth that set up, be convenient for during the corn enters into vice threshing barrel from main threshing barrel, and after vice threshing barrel is to the processing of corn, can carry the straw to row's notch department, improved the continuity of straw processing to improve the efficiency of threshing the straw greatly.

2. Through the grass discharging knife that sets up, can be through the guidance quality of grass discharging knife for the fine transmission of corn is to feed inlet department, thereby better entering into the inside of vice threshing barrel, realizes secondary threshing and handles, has improved the continuity that the corn was handled, has avoided appearing the winding condition of straw.

3. The threshing machine adopts an open structure, and the straw guide cover is not arranged above the threshing machine, so that people can add rice into the threshing machine conveniently, the designed structure is simplified, and the manufacturing cost is reduced.

Drawings

FIG. 1 is a perspective view of the whole structure of a twin drum thresher according to the present invention;

FIG. 2 is a top view of the overall structure of a twin-cylinder thresher according to the present invention;

FIG. 3 is a top view of an auxiliary threshing barrel structure of a twin-drum thresher of the present invention;

fig. 4 is a top view of the main threshing barrel structure of the twin-drum thresher of the present invention.

In the figure: 1 machine frame, 2 main threshing barrel, 3 auxiliary threshing barrel, 4 blower, 5 main roller, 6 main screen, 7 auxiliary roller, 8 auxiliary screen, 9 straight tooth, 10 helical blade, 11 material port, 12 row grass knife.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a twin-drum thresher comprises a frame 1, a main threshing barrel 2 and an auxiliary threshing barrel 3 are arranged above the frame 1 side by side, so as to realize twice threshing treatment of straws and improve the efficiency of straw threshing, the bottoms of the main threshing barrel 2 and the auxiliary threshing barrel 3 are both hollow structures, a main screen 6 and an auxiliary screen 8 are respectively arranged below the main threshing barrel 2 and the auxiliary threshing barrel 3, so that grains and straws can be effectively separated to achieve the purpose of mechanical threshing, a fan 4 arranged on the frame 1 is arranged below the main threshing barrel 3, so as to separate husks from the grains and improve the cleanliness of the rice when threshing, a main drum 5 is arranged in the main threshing barrel 2 through a bearing, an auxiliary drum 7 is arranged in the auxiliary threshing barrel 3 through a bearing, and a drum cover is arranged on the auxiliary drum 7, and be provided with the direction sword in the cylinder cover 7, the inside of vice threshing barrel 3 is provided with helical blade 10 that is located vice cylinder 7 below, and the quantity of helical blade 10 is 1-2, the same end of main threshing barrel 2 and vice threshing barrel 3 is provided with material mouth 11, plays the transmission effect that corn enters into between the vice threshing barrel 3 from main threshing barrel 2, and helical blade 10 keeps away from the directional row's of grain mouth department on the vice threshing barrel 3 of main threshing barrel 2, realizes the better transport of corn.

Furthermore, the auxiliary roller 7 is composed of a plurality of straight rollers and fixed disks positioned at two ends, a plurality of straight teeth 9 are welded on the outer walls of the straight rollers, and straws passing through the material port smoothly enter the auxiliary threshing barrel 3 under the stirring of the straight teeth 9, so that the continuity of straw conveying is improved.

Further, the inside of main threshing barrel 2 is provided with row's grass sword 12 that is located 5 below of main cylinder, and arranges the directional material mouth 11 of one end of grass sword 12, can be through the guidance quality of arranging the grass sword for the fine transmission of corn is to material mouth 11 department, thereby better entering into the inside of vice threshing barrel 3, realizes secondary threshing.

Furthermore, an open structure is adopted above the material opening 11 of the main threshing barrel 2, and a straw guide cover is not arranged above the open structure, so that people can add rice into the threshing machine conveniently, the designed structure is simplified, and the manufacturing cost is reduced.

The working principle is as follows: when in use, an operator adds the paddy into the thresher from the upper part of the main threshing barrel 2, and the rotation of the main roller 5 drives the paddy to move towards one end of the main threshing barrel, thereby forming the extrusion to the paddy and achieving the purpose of threshing; the end of the main threshing barrel 2 is guided by the straw discharging knife 12, so that straws pass through the material port 11 to enter the auxiliary threshing barrel 3, the straight teeth 9 on the auxiliary roller 7 are driven by the rotation of the auxiliary roller to further crush the rice, the purpose of rice threshing is achieved, finally, the straws are discharged to the outside of the threshing machine from the residue discharging port under the action of the helical blades 10 after threshing, the better threshing effect of the rice is realized, and the effectiveness of rice threshing is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a twin drum thresher, includes frame (1), main threshing barrel (2), vice threshing barrel (3), fan (4), main screen cloth (6), vice screen cloth (8), main cylinder (5), vice cylinder (7) and material mouth (11), its characterized in that, the inside of vice threshing barrel (3) is provided with helical blade (10) that are located vice cylinder (7) below, and the quantity of helical blade (10) is 1-2, the directional row's of cinder notch on vice threshing barrel (3) of one end that main threshing barrel (2) was kept away from in helical blade (10).

2. Twin drum thresher according to claim 1, characterised in that the secondary drum (7) consists of several straight rolls and fixed discs at both ends, and that several straight teeth (9) are welded on the outer walls of the straight rolls.

3. A twin-drum thresher according to claim 1 in which the main threshing cylinder (2) is internally provided with a grass discharge knife (12) located below the main drum (5), and one end of the grass discharge knife (12) is directed towards the material opening (11).

4. A twin-drum thresher according to claim 1 in which the upper part of the feed opening (11) in the main threshing cylinder (2) is open.