CN208462429U - A kind of grain cleaning machine - Google Patents
A kind of grain cleaning machine Download PDFInfo
- Publication number
- CN208462429U CN208462429U CN201820719559.3U CN201820719559U CN208462429U CN 208462429 U CN208462429 U CN 208462429U CN 201820719559 U CN201820719559 U CN 201820719559U CN 208462429 U CN208462429 U CN 208462429U
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- CN
- China
- Prior art keywords
- roller
- cereal
- sieve
- impurity
- grain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of grain cleaning machines, belong to agricultural machinery technological field.Cereal is transported in roller by the utility model from feed inlet, cereal follows drum movement under the baffle effect of drums inside, cleaning fan is opened to drums inside air blast simultaneously, cereal moves to above drums inside under baffle effect, it falls under the effect of gravity, since impurity is different from grain quality in cereal dropping process, lighter impurity is blown away in dropping process by the wind that blower generates, it is discharged on the right side of from roller, cereal after selection by winnowing is under the effect of gravity constantly to movement on the left of roller, it enters on sieve, sieve screens cereal, remove biggish impurity, cereal after screening is fallen into storage bin.Roller is arranged in the utility model skewed, and is arranged to sieve on the left of roller, so that cereal enters back into sieve after selection by winnowing and screened, by the biggish impurity removal of volume in cereal, effectively increases the quality of grain cleaning.
Description
Technical field
The present invention relates to a kind of grain cleaning machines, belong to agricultural machinery technological field.
Background technique
Main component is rice grain in the emersion object of rice combine, and there are also many impurity, such as empty grain, short stem
Stalk, dust etc..The presence of impurity easily makes rice moldy metamorphism, causes the loss of grain, so harvested cereal emersion object
It has to pass through to clean and just can be carried out storage.
Cleaning plant is the important component of combine harvester, its function is to utilize to be cleaned each component part of object
Between the difference of physical-mechanical properties they are separated, cleaning room is discharged in impurity, it is more clean so as to obtain
Seed.Cleaning plant influences the working performance of complete machine, and seed percentage of impurity, the cleaning loss percentage in sorting performance are to measure connection
Close one of the mostly important index of harvester product quality.According to the professional standard JB/T5117 requirement of country: combining
Machine total loss rate≤1.5%, percentage of damage≤2%, impure rate≤0.7%.Existing some domestic harvesters, when gathering in rice,
Clean ineffective, loss of cereal crops is excessive, some are 6% or more, and impure rate is 4% or more.It can be seen that me from data
The existing harvester of state, which cleans horizontal and national standard, apparent gap, and indices, which can't reach, once cleans storage
It is required that thus will have a direct impact on the product quality of cereal and the operating efficiency of processing of farm products.Therefore, new cereal is studied
Technique and method are cleaned to enriching, improve existing cleaning plant theoretical and practical values with higher.
Cereal is cleaned mainly by a series of method of mechanical works miscellaneous with other to the short stem in clear cereal
Object removes.There is common grain cleaning mode in agricultural: screening, selection by winnowing, pneumatic jig combined type.Screening be by sorting screen, according to
The difference of cereal and impurity width, thickness and length and shape separates cereal and impurity.Selection by winnowing is a kind of most important cereal
Method is cleaned, when cleaning, using wait clean difference of the various composition in terms of the aerodynamic properties such as floating velocity in cereal,
Complete the separating cleaning of seed and stem, impurity etc..
Sun Shouquan proposes a kind of grain threshing cleaner for combine within 2001, sets about improving from vibrating screen
Its internal structure, two pieces of different sieve plates of screen-aperture are arranged on the same vibrating screen and swing together by he, and are sieving
Aggregate bin is placed below sub- end, the filled grains being separated can be recycled, be reduced loss late, the breakthrough in structure
Also greatly improve the cleaning plant cleans effect.
Feitian thunder irrigate heavy industry propose a kind of cleaning and separating apparatus for combine-harvester, the device by drum sieve, double layer planar sieve and
Blower composition, cylinder vibration wire screen are set in the middle position of two horizontal screens.Upper sieve can make the seed tossed out from drum sieve
Grain and the sundries such as short stem carry out vibration screening again, lower screen can make the seed fallen from drum sieve and short stem again into
Row vibration screening effectively prevents the sundries such as short stem to fall directly into seed screw feeder, preferable to improve seed cleannes.
Summary of the invention
Present invention mainly solves the technical issues of: for conventional grain cleaning plant interior air-flow field pressure be distributed it is irregular,
Cause cereal actual motion track to completely offset from theory movement track, causes biggish cleaning loss and percentage of impurity is increased asks
Topic, the present invention provides a kind of grain cleaning machines.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention:
A kind of grain cleaning machine, including cleaning fan and roller, the cleaning fan are arranged on the left of roller, clean
It is connected between blower and roller by rotary shaft, the drums inside is provided with baffle, and roller left part is sieve, rolling
Cylinder bottom is provided with storage bin, and right side is connected by rotary shaft with bracket, is feed inlet above bracket.
A kind of application method of grain cleaning machine is: cereal being transported in roller from feed inlet, rotary shaft driving rolling
Cylinder rotation, cereal follows drum movement under the baffle effect of drums inside, while cleaning fan is opened to drums inside air blast,
Cereal moves to above drums inside under baffle effect, falls under the effect of gravity, due to impurity in cereal dropping process
Different from grain quality, lighter impurity is blown away in dropping process by the wind that blower generates, and is discharged from roller right side, thus real
Now to the selection by winnowing of cereal, cereal after selection by winnowing constantly to mobile on the left of roller, enters on sieve, in roller under the effect of gravity
Continuous rotation lower screen cloth cereal is screened, remove biggish impurity, the cereal after screening is fallen into storage bin.
The roller is oblique, and tilt angle is 30 °.
The roller left distal end connects cylindric sieve.
The beneficial effects of the present invention are:
(1) in the present invention in such a way that selection by winnowing and trommelling combine, by the way that baffle is arranged in roller, so that paddy
Object moves in roller with roller, will fall under the effect of gravity when cereal moves to above drums inside, cereal
The impurity of lighter weight in cereal can be removed in dropping process by blower, make cereal in roller in this way
Selection by winnowing can be repeated, effectively increase the quality of impurity removal.
(2) present invention in roller is arranged to it is skewed, when so that cereal moving in roller, since roller is oblique
Cereal can be arranged to sieve on the left of roller to movement on the left of roller during exercise, so that cereal enters back into after selection by winnowing
Sieve is screened, and the biggish impurity of volume in cereal is removed, the quality of grain cleaning is effectively increased.
Detailed description of the invention
Fig. 1 is the organigram of grain cleaning machine of the present invention.
Fig. 2 is the left view and sectional view of grain cleaning machine of the present invention.
Wherein, 1, rotary shaft；2, sieve；3, roller；4, baffle；5, feed inlet；6, cleaning fan；7, storage bin；8, it props up
Frame.
Specific embodiment
A kind of grain cleaning machine, including cleaning fan 6 and roller 3, the cleaning fan 6 are arranged in 3 left side of roller,
It is connected between cleaning fan 6 and roller 3 by rotary shaft 1, the roller 3 is internally provided with baffle 4,3 left side of roller
It is divided into sieve 2,3 bottom of roller is provided with storage bin 7, and right side is connected by rotary shaft 1 with bracket 8, is charging above bracket 8
Mouth 5.A kind of application method of grain cleaning machine is: cereal being transported in roller 3 from feed inlet 5, rotary shaft 1 drives roller
3 rotations, baffle 4 of the cereal inside roller 3 follows roller 3 to move under acting on, while cleaning fan 6 is opened to the inside of roller 3
Air blast, cereal baffle 4 effect under move to 3 inner upper of roller, fall under the effect of gravity, in cereal dropping process by
Different from grain quality in impurity, lighter impurity is blown away in dropping process by the wind that blower 6 generates, and is arranged on the right side of roller 3
Out, to realize to the selection by winnowing of cereal, the cereal after selection by winnowing constantly to moving on the left of roller 3, enters sieve under the effect of gravity
On net 2, lower screen cloth 2 is constantly rotated the 3 of roller, cereal is screened, remove biggish impurity, the cereal after screening is fallen into
In storage bin 7.The roller 3 is oblique, and tilt angle is 30 °.3 left distal end of roller connects cylindric sieve
2。
Claims (4)
1. a kind of grain cleaning machine, including cleaning fan (6) and roller (3), the cleaning fan (6) is arranged in roller
(3) left side is connected between cleaning fan (6) and roller (3) by rotary shaft (1), and the roller (3) is internally provided with gear
Plate (4), roller (3) left part are sieve (2), and roller (3) bottom is provided with storage bin (7), right side by rotary shaft (1) with
Bracket (8) is connected, and is above bracket (8) feed inlet (5).
2. a kind of application method of grain cleaning machine according to claim 1 is: cereal is transported to from feed inlet (5)
In roller (3), rotary shaft (1) drives roller (3) rotation, and cereal follows roller under internal baffle (4) effect of roller (3)
(3) it moves, while cleaning fan (6) is opened to the internal air blast of roller (3), cereal moves to roller (3) in the case where baffle (4) act on
Inner upper falls under the effect of gravity, and since impurity is different from grain quality in cereal dropping process, lighter impurity exists
It is blown away in dropping process by the wind that blower (6) generate, is discharged from roller (3) right side, so that the selection by winnowing to cereal is realized, after selection by winnowing
Cereal under the effect of gravity constantly to mobile on the left of roller (3), enter on sieve (2), under (3) of roller constantly rotation
Sieve (2) screens cereal, removes biggish impurity, and the cereal after screening is fallen into storage bin (7).
3. a kind of grain cleaning machine according to claim 1, it is characterised in that: the roller (3) obliquely, inclines
Rake angle is 30 °.
4. a kind of grain cleaning machine according to claim 1, it is characterised in that: roller (3) left distal end connects
Connect cylindric sieve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820719559.3U CN208462429U (en) | 2018-05-15 | 2018-05-15 | A kind of grain cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820719559.3U CN208462429U (en) | 2018-05-15 | 2018-05-15 | A kind of grain cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208462429U true CN208462429U (en) | 2019-02-05 |
Family
ID=65221171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820719559.3U Expired - Fee Related CN208462429U (en) | 2018-05-15 | 2018-05-15 | A kind of grain cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208462429U (en) |
-
2018
- 2018-05-15 CN CN201820719559.3U patent/CN208462429U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190821 Address after: 335500 Second Floor of Management Committee Building of Jiande West Street Modern Agricultural Demonstration Zone, Shangrao Wannian County, Jiangxi Province Patentee after: Jiangxi Zhengdao Ecological Technology Co.,Ltd. Address before: 213000 Room 601, Unit B, 91 Baixinyuan Building, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Li Zhiping |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 |