CN217546738U

CN217546738U - Millet thresher

Info

Publication number: CN217546738U
Application number: CN202221538992.XU
Authority: CN
Inventors: 焦海涛; 高炳娜; 贾志芳; 张俊杰; 幺立申; 袁兴茂; 李霄鹤; 彭发智; 张西群; 杨志杰
Original assignee: Hebei Agricultural Mechanization Research Institute Co ltd
Current assignee: Hebei Agricultural Mechanization Research Institute Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-11
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a millet threshing machine in the technical field of threshing, including body frame, body frame's upper end fixed mounting has threshing warehouse, threshing warehouse's inside is provided with the pole of threshing, threshing warehouse's front end fixed mounting has the slide of packing, be provided with screening mechanism in advance under threshing warehouse, screening mechanism in advance has the corn support plate in advance under fixed mounting, screening mechanism's rear end fixed mounting has the debris support plate in advance, threshing warehouse's right-hand member swivelling joint has the transmission rim plate, this millet threshing machine, be provided with screening mechanism in advance, when starting this thresher, launch screening mechanism in advance, can carry out preliminary screening operation to corn, classify to corn, the corn that falls to on the corn support plate wherein has passed through the screening, follow-up high strength screening operation that need not to carry on again, working pressure has been reduced for follow-up screening work, the quality that is blown out from the debris export is lighter or the corn that has broken needs to carry out high strength screening operation, improve the corn quality with this.

Description

Millet thresher

Technical Field

The utility model relates to the technical field of millet threshing, in particular to a millet threshing machine.

Background

The millet is an annual herbaceous plant, has thick fibrous roots, thick and upright stems, is 0.1-1 m or higher in height, is loosely wrapped by leaf sheaths and has wart hairs or no hairs, the hairs are dense at the near edge and the back of the joint of the hairs and leaves, and the edges are dense and have hairs; the leaf tongue is a circle of cilia; the blade is needle-shaped or linear, the length is 10-45 cm, the width is 5-33 mm, the tip is sharp, the base is round, the upper surface is rough, and the lower surface is smooth; the thresher is a harvesting machine, which can separate crop seeds from stalks, mainly refers to a harvesting machine of grain crops, and has different types according to different grains, such as a rice thresher suitable for rice threshing; the threshing machine is commonly called as a threshing machine, is the most common rice threshing machine, and is used for harvesting rice and separating rice grains from stalks through the threshing machine, wherein the threshing machine is divided into two types, one type is driven by manpower and is called as a manpower threshing machine and is a semi-mechanized tool; the rice thresher driven by power is called as a power rice thresher, so that the rice thresher greatly reduces the labor intensity of rice harvesting and improves the agricultural productivity at the same time.

The existing millet threshing machine can uniformly discharge sundries such as the outer wrappage (straw) of the millet and the millet together after threshing the millet, and needs heavy screening work in the later period, thereby wasting time and labor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a millet thresher to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides a millet thresher, includes organism frame, organism frame's upper end fixed mounting has threshing warehouse, threshing warehouse's inside is provided with threshing rod, threshing warehouse's front end fixed mounting has the slide of packing, be provided with screening mechanism in advance under the threshing warehouse, screening mechanism in advance is provided with the cereal support plate under, screening mechanism's rear end fixed mounting has the debris support plate in advance.

As a further aspect of the present invention: the threshing device is characterized in that the right end of the threshing bin is rotatably connected with a transmission wheel disc, the transmission wheel disc is fixedly connected with a threshing rod inside the threshing bin, a transmission belt is wound on the transmission wheel disc, one end, far away from the transmission wheel disc, of the transmission belt is connected with a driving wheel disc, a driving motor is installed at the left end of the driving wheel disc, and the transmission end of the driving motor is fixedly connected with the driving wheel disc.

As the utility model discloses further scheme again: the pre-screening mechanism comprises a screening bin, a first screening bin, a second screening bin, a third screening bin, a blower, a sundry outlet, a first folding plate, a second folding plate and a torsion spring, the screening bin is fixedly welded on a machine body frame, and the first screening bin, the second screening bin and the third screening bin are arranged inside the screening bin.

As a further aspect of the present invention: the first screening bin is located at the left end inside the screening bin, the second screening bin is located in the middle of the inside of the screening bin, and the third screening bin is located at the right end of the inside of the screening bin.

As a further aspect of the present invention: the front end of the first screening bin is fixedly provided with a blower, and the rear end of the first screening bin is fixedly provided with a sundry outlet.

As a further aspect of the present invention: first folding plate and second folding plate are installed to the bottom in first screening storehouse, the front end fixed mounting of first folding plate has the bull stick, the rear end fixed mounting of second folding plate has the bull stick.

As a further aspect of the present invention: first folded sheet and second folded sheet all with the inner wall swivelling joint in first screening storehouse, the torsional spring is all installed in the outside of first folded sheet and second folded sheet bull stick.

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

the utility model discloses in, be provided with screening mechanism in advance, when starting this thresher, launch screening mechanism in advance, can carry out preliminary screening operation to corn, classify to corn, wherein fall to the corn on the corn support plate and have passed through the screening, follow-up screening operation that need not to carry out high strength again, for follow-up screening work has reduced operating pressure, the quality that is blown off from the debris export is lighter or the corn that has badly fallen needs to carry out high strength screening operation to this improves the corn quality.

Drawings

Fig. 1 is a schematic structural view of the utility model in a three-dimensional front view;

fig. 2 is a schematic structural view of the present invention in a front plan view;

fig. 3 is a schematic structural view of the utility model viewed from the right;

fig. 4 is a first schematic structural view of the present invention in a three-dimensional cross-sectional view;

fig. 5 is a schematic structural diagram of the present invention in a three-dimensional sectional view;

fig. 6 is an enlarged schematic structural view of a point a in fig. 5 according to the present invention.

In the figure: 1. a machine body frame; 2. a threshing bin; 3. a drive sheave; 4. a drive belt; 5. a drive wheel disc; 6. a drive motor; 7. a packing slide plate; 8. a pre-screening mechanism; 801. a screening bin; 802. a first screening bin; 803. a second screening bin; 804. a third screening bin; 805. a blower; 806. a sundry outlet; 807. a first folding plate; 808. a second folding plate; 809. a torsion spring; 9. carrying a grain carrier plate; 10. a sundries carrying plate.

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.

Referring to fig. 1 to 6, in an embodiment of the present invention, a grain threshing machine includes a machine frame 1, a threshing bin 2 is fixedly installed at an upper end of the machine frame 1, a threshing rod is installed inside the threshing bin 2, a packing sliding plate 7 is fixedly installed at a front end of the threshing bin 2, a pre-screening mechanism 8 is installed right below the threshing bin 2, a grain support plate 9 is fixedly installed right below the pre-screening mechanism 8, a sundry support plate 10 is fixedly installed at a rear end of the pre-screening mechanism 8, a transmission wheel disc 3 is rotatably connected to a right end of the threshing bin 2, the transmission wheel disc 3 is fixedly connected to the threshing rod inside the threshing bin 2, a transmission belt 4 is wound on the transmission wheel disc 3, one end of the transmission belt 4, which is far away from the transmission wheel disc 3, is connected to a driving wheel disc 5, a driving motor 6 is installed at a left end of the driving wheel disc 5, and a transmission end of the driving motor 6 is fixedly connected to the driving wheel disc 5;

the pre-screening mechanism 8 comprises a screening bin 801, a first screening bin 802, a second screening bin 803, a third screening bin 804, a blower 805, a sundry outlet 806, a first folding plate 807, a second folding plate 808 and a torsion spring 809, the screening bin 801 is fixedly welded on the machine body frame 1, the first screening bin 802, the second screening bin 803 and the third screening bin 804 are arranged inside the screening bin 801, the first screening bin 802 is positioned at the left end inside the screening bin 801, the second screening bin 803 is positioned at the middle part inside the screening bin 801, the third screening bin 804 is positioned at the right end inside the screening bin 801, the blower 805 is fixedly arranged at the front end of the first screening bin 802, the sundry outlet 806 is fixedly arranged at the rear end of the first screening bin 802, the first folding plate 807 and the second folding plate 808 are arranged at the bottom end of the first screening bin 802, a rotating rod is fixedly arranged at the front end of the first folding plate 807, a rotating rod is fixedly arranged at the rear end of the second folding plate 808, the first folding plate 807 and the second folding plate 808 are rotatably connected with the inner wall of the first screening bin 802, torsion springs 809 are arranged at the outer sides of the rotating rods of the first folding plate 807 and the second folding plate 808, a driving motor 6 is started to drive a driving wheel disc 5 to rotate, the driving effect of the driving wheel disc 5 drives a driving belt 4 and a driving wheel disc 3 to work, so that the threshing rod in the threshing bin 2 normally rotates, then a blower 805 is started, after the blower 805 is started, grains can be added into the threshing bin 2 through a filling sliding plate 7, after the grains are threshed by the threshing bin 2, the grains and impurities such as the outer wrappings (straws) of the grains fall into the screening bin 801 together, the grains and the impurities such as the outer wrappings (straws) of the grains fall, and the impurities such as the outer wrappings (straws) of the grains with lighter mass are influenced by the wind force of the blower 805, when part of the lighter or broken grains are blown out from the sundries outlet 806 by the blower 805, good grains are continuously accumulated on the first folding plate 807 and the second folding plate 808, and the weight of the grains accumulated on the first folding plate 807 and the second folding plate 808 is too heavy as the working time of the machine body increases, the first folding plate 807 and the second folding plate 808 are forced to rotate, so that the grains fall onto the grain carrier plate 9.

The utility model discloses a theory of operation is: before the machine body is used, a driving motor 6 and a blower 805 need to be connected with an external control terminal in advance, when the machine body is used, the driving motor 6 is started to drive a driving wheel disc 5 to rotate, the driving effect of the driving wheel disc 5 drives a driving belt 4 and a driving wheel disc 3 to work, so that a threshing rod inside a threshing bin 2 normally rotates, then the blower 805 is started, after the blower 805 is started, grains can be added into the threshing bin 2 through a packing sliding plate 7, after the grains are threshed by the threshing bin 2, the grains and impurities such as outer wrappers (straws) of the grains fall into a screening bin 801 together, the grains and the impurities such as the outer wrappers (straws) of the grains fall in the falling process, the impurities such as the outer wrappers (straws) of the grains with light weight are blown out from an impurity outlet 806 under the influence of the blower 805, part of the grains with light weight or broken grains are blown out by the blower 805, good grains can continuously fall on a first folding plate 807 and a second folding plate, the grain folding plate 807 and the grains and the second folding plate 808 after the grains fall, the grains and the second folding plate 808 are taken out, and the second folding plate 807 and the grains and the second folding plate 808 after the grains are lifted by the artificial folding plate 807 and the first folding plate 807 and the second folding plate 808; the above-mentioned cereal grain that falls to on the cereal grain support plate 9 has been through the screening, and follow-up screening operation that need not to carry on high strength again has reduced operating pressure for follow-up screening work, and the quality that is blown out from debris export 806 is lighter or the cereal grain that has broken need carry out high strength screening operation to this improves cereal grain quality.

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. A millet thresher is characterized in that: including organism frame (1), the upper end fixed mounting of organism frame (1) has threshing warehouse (2), the inside in threshing warehouse (2) is provided with threshing rod, the front end fixed mounting in threshing warehouse (2) has packing slide (7), be provided with screening mechanism (8) in advance under threshing warehouse (2), screening mechanism (8) in advance under fixed mounting have grain support plate (9), the rear end fixed mounting of screening mechanism (8) in advance has debris support plate (10).

2. The grain thresher of claim 1, wherein: the right-hand member swivelling joint of threshing warehouse (2) has drive rim plate (3), drive rim plate (3) and the inside threshing rod fixed connection of threshing warehouse (2), it has drive belt (4) to coil on drive rim plate (3), the one end that drive rim plate (3) were kept away from in drive belt (4) is connected with drive rim plate (5), driving motor (6) are installed to the left end of drive rim plate (5), the transmission end and the drive rim plate (5) fixed connection of driving motor (6).

3. The grain thresher of claim 1, wherein: the pre-screening mechanism (8) comprises a screening bin (801), a first screening bin (802), a second screening bin (803), a third screening bin (804), a blower (805), a sundry outlet (806), a first folding plate (807), a second folding plate (808) and a torsion spring (809), wherein the screening bin (801) is fixedly welded on the machine body frame (1), and the first screening bin (802), the second screening bin (803) and the third screening bin (804) are arranged inside the screening bin (801).

4. The grain thresher of claim 3, wherein: the first screening bin (802) is located at the left end inside the screening bin (801), the second screening bin (803) is located in the middle inside the screening bin (801), and the third screening bin (804) is located at the right end inside the screening bin (801).

5. A grain thresher according to claim 3, wherein: the front end of the first screening bin (802) is fixedly provided with a blower (805), and the rear end of the first screening bin (802) is fixedly provided with a sundries outlet (806).

6. The grain thresher of claim 3, wherein: first folding plate (807) and second folding plate (808) are installed to the bottom in first screening storehouse (802), the front end fixed mounting of first folding plate (807) has the bull stick, the rear end fixed mounting of second folding plate (808) has the bull stick.

7. The grain thresher of claim 3, wherein: first folded sheet (807) and second folded sheet (808) all with the inner wall swivelling joint in first screening storehouse (802), torsional spring (809) are all installed in the outside of first folded sheet (807) and second folded sheet (808) bull stick.