CN210183935U - Threshing and cleaning device of moss and bran combine harvester - Google Patents

Threshing and cleaning device of moss and bran combine harvester Download PDF

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Publication number
CN210183935U
CN210183935U CN201920820297.4U CN201920820297U CN210183935U CN 210183935 U CN210183935 U CN 210183935U CN 201920820297 U CN201920820297 U CN 201920820297U CN 210183935 U CN210183935 U CN 210183935U
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China
Prior art keywords
screen
threshing
moss
oscillating type
combine harvester
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Application number
CN201920820297.4U
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Chinese (zh)
Inventor
Xuejun Yang
杨学军
Zhengbin Zhao
赵郑斌
Lijing Liu
刘立晶
Jinhui Zhao
赵金辉
Zhongjun Liu
刘忠军
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Chinese Academy of Agricultural Mechanization Sciences
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Chinese Academy of Agricultural Mechanization Sciences
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Abstract

A threshing and cleaning device of a fur and bran combined harvester is arranged on a rack of the fur and bran combined harvester and comprises: the threshing cylinder comprises a cylinder shaft and a fixed disk arranged on the cylinder shaft, a plurality of threshing rods are uniformly distributed on the circumference of the fixed disk, and a plurality of threshing teeth are uniformly distributed on the threshing rods; a concave screen arranged corresponding to the threshing cylinder and below the threshing cylinder; the oscillating type vibrating screen is positioned below the concave plate screen; the fan is positioned at the front end below the oscillating type vibrating screen, and an air supply outlet of the fan faces to the screen surface of the oscillating type vibrating screen; and the material guide device is arranged on the frame of the moss and bran combine harvester, is positioned between the concave plate sieve and the oscillating type vibrating sieve, and is used for collecting and uniformly guiding seeds and impurities at the rear part of the concave plate sieve to the middle front part of the oscillating type vibrating sieve for uniform cleaning.

Description

Threshing and cleaning device of moss and bran combine harvester
Technical Field
The utility model relates to a harvesting machine for small-sized seed crops, in particular to a threshing and cleaning device for a fur and bran combine harvester.
Background
The moss and bran are main food crops of Eleobia, and the planting area is wide. When the moss and bran are harvested, the moss and bran are seriously lodging, the stems are slender and weak, the seeds are small and light, the thousand seed weight is only 0.26-0.42g, the length, width, thickness and size are all about 1mm, the grain-straw ratio is small, and great difficulty is brought to threshing and cleaning of a combined harvester. The technical problem to be solved at present is how to completely thresh the small seeds from the moss and bran ears by a machine and separate the seeds from glumes, fine straws and the like to obtain clean moss and bran seeds, reduce the loss of the seeds, realize the integral operation of threshing and cleaning of the moss and bran and enable the moss and bran combine harvester to achieve more efficient harvesting.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a threshing and cleaning device suitable for a large-scale fur and bran combine harvester is provided to solve the threshing and cleaning difficult problem of fur and bran, improve the fur and bran harvesting efficiency, reduce the loss of fur and bran seeds.
In order to achieve the above object, the utility model provides a threshing and cleaning device of a fur and bran combine harvester, which is arranged on a frame of the fur and bran combine harvester, wherein, the threshing and cleaning device comprises:
the threshing cylinder comprises a cylinder shaft and a fixed disk arranged on the cylinder shaft, a plurality of threshing rods are uniformly distributed on the circumference of the fixed disk, and a plurality of threshing teeth are uniformly distributed on the threshing rods;
a concave screen arranged corresponding to the threshing cylinder and below the threshing cylinder;
the oscillating type vibrating screen is positioned below the concave plate screen;
the fan is positioned at the front end below the oscillating type vibrating screen, and an air supply outlet of the fan faces to the screen surface of the oscillating type vibrating screen; and
and the material guide device is arranged on the frame of the moss and bran combine harvester and is positioned between the concave plate sieve and the oscillating type vibrating sieve.
Foretell threshing and cleaning device of moss and bran combine, wherein, threshing cylinder is open structure, and the circumference along the fixed disk disposes 6-12 threshing rod, threshing teeth includes sword tooth and spike tooth.
The threshing and cleaning device of the moss and bran combine harvester is characterized in that the concave sieve comprises a front concave sieve and a rear concave sieve which are sequentially arranged, and the front concave sieve and the rear concave sieve are respectively provided with a grid type screen or a small-aperture punching screen.
The threshing and cleaning device of the moss and bran combine harvester is characterized in that the material guide device is positioned below the rear concave plate sieve.
The threshing and cleaning device of the moss and bran combine harvester is characterized in that the material guide device is obliquely arranged relative to the rear concave plate sieve, and an inclination angle is formed between the bottom surface of the material guide device and the axis of the rear concave plate sieve.
The threshing and cleaning device of the moss and bran combine harvester is characterized in that the angle of the inclination angle is adjustable, and the rear end of the material guide device is higher than the front end of the material guide device.
The threshing and cleaning device of the moss and bran combine harvester is characterized in that the material guide device is of a groove-shaped structure which facilitates material collection and gliding.
The threshing and cleaning device of the moss and bran combine harvester is characterized in that the oscillating type vibrating screen is a single-screen-surface oscillating type cleaning screen, and the screen surface of the single-screen-surface oscillating type cleaning screen is a small-aperture punched screen surface.
The threshing and cleaning device of the moss and bran combine harvester is characterized in that the oscillating type vibrating screen is a double-screen oscillating type cleaning screen, the upper screen of the double-screen oscillating type cleaning screen is a fish scale screen, and the lower screen of the double-screen oscillating type cleaning screen is a woven screen.
The threshing and cleaning device of the moss and bran combine harvester is characterized in that the air inlet of the fan is provided with an air adjusting plate for adjusting the air quantity of the fan.
The technical effects of the utility model reside in that:
the threshing cylinder threshing rod and the concave sieve of the utility model are of a multi-configuration structure, and can flexibly configure the threshing rod and the concave sieve according to the ripeness of the moss and bran, thereby improving the threshing and separating effect; the angle of the material guide device is adjustable, and the structure has the advantages that the front end is low, the rear end is high, the two sides are high, and the middle is low, so that the materials can be conveniently collected and slide downwards; the oscillating type vibrating screen has two optional configurations of a single screen surface and a double screen surface, and an appropriate vibrating screen mode can be used according to the length and the maturity of the stalks of the moss and the bran.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a schematic structural view of a single-screen-surface swing type cleaning screen according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a double-screen oscillating type cleaning screen according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a material guiding device according to an embodiment of the present invention.
Wherein the reference numerals
1 threshing cylinder
11 threshing rod
111 spike tooth
112 cutter tooth
12 roller shaft
13 fixed disk
2 concave plate sieve
21 front concave plate screen
22 rear concave plate sieve
23 grid type screen
24 small-aperture punching screen
3 oscillating type vibrating screen
31 double-screen oscillating cleaning screen
311 fish scale screen
312 woven sieve
32 single screen surface swing type cleaning screen
321 small-aperture punching screen
4 material guiding device
5 blower fan
51 wind adjusting plate
6 machine frame
Detailed Description
The following describes the structural and operational principles of the present invention in detail with reference to the accompanying drawings:
referring to fig. 1-3, fig. 1 is a schematic structural view of an embodiment of the present invention, fig. 2 is a front view of fig. 1, and fig. 3 is a top view of fig. 1. The utility model discloses a threshing and cleaning device of fur combine harvester installs in fur combine harvester's frame 6, include: the threshing cylinder 1 comprises a cylinder shaft 12 and a fixed disc 13 arranged on the cylinder shaft 12, a plurality of threshing rods 11 are uniformly distributed on the circumference of the fixed disc 13, a plurality of threshing teeth are uniformly distributed on the threshing rods 11, and the threshing cylinder 1 can be connected with a power mechanism of the moss and bran combine harvester through the cylinder shaft 12 to obtain a rotating driving force; a concave screen 2 arranged corresponding to the threshing cylinder 1 and positioned below the threshing cylinder 1; the oscillating type vibrating screen 3 is positioned below the concave plate screen 2, and the oscillating type vibrating screen 3 can be connected with a power mechanism of the moss and bran combine harvester through a transmission mechanism such as a chain wheel, a belt wheel or a gear to obtain a vibrating driving force or can be linked with the drum shaft 12; the fan 5 is positioned at the front end below the oscillating type vibrating screen 3, an air supply outlet of the fan 5 faces to the screen surface of the oscillating type vibrating screen 3, and an air inlet of the fan 5 is provided with an air adjusting plate 51 for adjusting the air volume of the fan 5; and the material guide device 4 is installed on a frame 6 of the fur and bran combine harvester and is positioned between the concave plate sieve 2 and the oscillating type vibrating sieve 3, so that grains and impurities at the rear part of the concave plate sieve 2 are collected and uniformly guided to the front middle part of the oscillating type vibrating sieve 3 to be uniformly cleaned, the grain running and leaking problems of the threshing and cleaning device of the fur and bran combine harvester can be reduced, and the cleaning efficiency of the fur and bran combine harvester is improved.
The threshing cylinder 1 of this embodiment is preferably of an open structure, and 6 to 12 threshing rods 11 are arranged along the circumference of the fixed disk 13, and the threshing teeth include cutter teeth 112 and spike teeth 111, which can be combined and staggered on the threshing rods 11. The concave sieve 2 comprises a front concave sieve 21 and a rear concave sieve 22 which are sequentially arranged, wherein a grid type screen 23 or a small-aperture punching screen 24 can be respectively arranged on the front concave sieve 21 and the rear concave sieve 22.
Referring to fig. 4, fig. 4 is a schematic structural view of a single-screen-surface swing type cleaning sieve according to an embodiment of the present invention. The oscillating type vibrating screen 3 can be a single-screen-surface oscillating type cleaning screen 32, and the screen surface of the single-screen-surface oscillating type cleaning screen 32 is preferably a small-aperture punching screen 321.
Referring to fig. 5, fig. 5 is a schematic structural view of a double-screen oscillating type cleaning screen according to an embodiment of the present invention. The oscillating type vibrating screen 3 can be a double-screen oscillating type cleaning screen 31, the upper screen surface of the double-screen oscillating type cleaning screen 31 is preferably a fish scale screen 311, and the lower screen surface of the double-screen oscillating type cleaning screen 31 is preferably a woven screen 312.
Referring to fig. 6, fig. 6 is a schematic structural view of a material guiding device according to an embodiment of the present invention. The material guiding device 4 is positioned below the rear concave sieve 22. The material guiding device 4 is obliquely arranged relative to the rear concave plate screen 22, and an oblique angle is formed between the bottom surface of the material guiding device 4 and the axis of the rear concave plate screen 22. The angle of the inclined angle is adjustable, and the rear end of the material guide device 4 is higher than the front end thereof. The material guide device 4 is preferably of a groove-shaped structure with a low front end, a high rear end, two high sides and a low middle part, so that the materials can be conveniently collected and slide down.
The threshing rod and the concave sieve of the threshing cylinder of the utility model are of a multi-configuration structure, and can be flexibly configured according to the ripeness of the moss and bran, thereby improving the threshing and separating effect; the oscillating type vibrating screen has two optional configurations of a single screen surface and a double screen surface, and a proper vibrating screen mode can be used according to the length and the maturity of the stalks of the moss and the bran; the angle of the material guide device is adjustable, the structure is low in front end, high in rear end, high in two sides and low in middle, so that the material collection and the material sliding are facilitated, grains and impurities at the rear part of the concave plate sieve can be collected and uniformly guided to the middle front part of the oscillating type vibrating sieve for uniform cleaning, the problems of grain running and grain leakage of the threshing and cleaning device of the moss and bran combine harvester are reduced, and the cleaning efficiency of the moss and bran combine harvester is improved.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims (10)

1. The utility model provides a threshing cleaning device of moss bran combine, installs in moss bran combine's frame, its characterized in that includes:
the threshing cylinder comprises a cylinder shaft and a fixed disk arranged on the cylinder shaft, a plurality of threshing rods are uniformly distributed on the circumference of the fixed disk, and a plurality of threshing teeth are uniformly distributed on the threshing rods;
a concave screen arranged corresponding to the threshing cylinder and below the threshing cylinder;
the oscillating type vibrating screen is positioned below the concave plate screen;
the fan is positioned at the front end below the oscillating type vibrating screen, and an air supply outlet of the fan faces to the screen surface of the oscillating type vibrating screen; and
and the material guide device is arranged on the frame of the moss and bran combine harvester and is positioned between the concave plate sieve and the oscillating type vibrating sieve.
2. The threshing and cleaning device of a moss and bran combine harvester according to claim 1, wherein the threshing cylinder is of an open structure, 6-12 threshing rods are arranged along the circumference of the fixed disk, and the threshing teeth comprise cutter teeth and spike teeth.
3. A threshing and cleaning unit for an moss and bran combine harvester according to claim 1 or 2, wherein the concave screens include a front concave screen and a rear concave screen arranged in sequence, and the front concave screen and the rear concave screen are respectively provided with a grid type screen or a small-aperture punching screen.
4. A threshing and cleaning unit for a moss and bran combine harvester as claimed in claim 3, wherein the material guide means is located below the rear concave screen.
5. A threshing and cleaning unit for a moss and bran combine harvester according to claim 4, wherein the material guiding means is disposed obliquely with respect to the rear concave screen, and an inclination angle is provided between a bottom surface of the material guiding means and an axis of the rear concave screen.
6. A threshing and cleaning device of a moss and bran combine harvester according to claim 5, wherein the angle of the inclination angle is adjustable, and the rear end of the material guiding device is higher than the front end thereof.
7. A threshing and cleaning device of a moss and bran combine harvester as claimed in claim 6, wherein the material guiding device is of a groove-shaped structure to facilitate the collection and sliding down of materials.
8. The threshing and cleaning device of the moss and bran combine harvester according to claim 1 or 2, wherein the oscillating type vibrating screen is a single screen surface oscillating type cleaning screen, and the screen surface of the single screen surface oscillating type cleaning screen is a small-aperture punched screen surface.
9. The threshing and cleaning device of a moss and bran combine harvester according to claim 1 or 2, wherein the oscillating type vibrating screen is a double-screen oscillating type cleaning screen, the upper screen surface of the double-screen oscillating type cleaning screen is a fish scale screen, and the lower screen surface of the double-screen oscillating type cleaning screen is a woven screen.
10. The threshing and cleaning device of a moss and bran combine harvester as claimed in claim 1 or 2, wherein the air inlet of the fan is provided with an air adjusting plate for adjusting the air volume of the fan.
CN201920820297.4U 2019-05-31 2019-05-31 Threshing and cleaning device of moss and bran combine harvester Active CN210183935U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920820297.4U CN210183935U (en) 2019-05-31 2019-05-31 Threshing and cleaning device of moss and bran combine harvester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920820297.4U CN210183935U (en) 2019-05-31 2019-05-31 Threshing and cleaning device of moss and bran combine harvester

Publications (1)

Publication Number Publication Date
CN210183935U true CN210183935U (en) 2020-03-27

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ID=69872791

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920820297.4U Active CN210183935U (en) 2019-05-31 2019-05-31 Threshing and cleaning device of moss and bran combine harvester

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU202400U1 (en) * 2020-09-09 2021-02-16 Общество с ограниченной ответственностью "Комбайновый завод "Ростсельмаш" DRUM FOR THRESHING DEVICE OF GRAIN HARVESTOR

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU202400U1 (en) * 2020-09-09 2021-02-16 Общество с ограниченной ответственностью "Комбайновый завод "Ростсельмаш" DRUM FOR THRESHING DEVICE OF GRAIN HARVESTOR

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