CN106856886A - A kind of light breeze screening device of rape combined harvester - Google Patents
A kind of light breeze screening device of rape combined harvester Download PDFInfo
- Publication number
- CN106856886A CN106856886A CN201710230190.XA CN201710230190A CN106856886A CN 106856886 A CN106856886 A CN 106856886A CN 201710230190 A CN201710230190 A CN 201710230190A CN 106856886 A CN106856886 A CN 106856886A
- Authority
- CN
- China
- Prior art keywords
- box
- wind pushing
- screening device
- winnowing
- combined harvester
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
- A01F12/446—Sieving means
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of light breeze screening device of rape combined harvester, including：Winnowing box, the top of the Winnowing box, bottom are respectively arranged with charging aperture, discharging opening；Wind pushing box, the wind pushing box is arranged on the Winnowing box side；Go out faucal, it is described go out faucal be arranged on the Winnowing box opposite side relative with the wind pushing box；Cleaning plant, the cleaning plant is arranged on the air-out direction in the wind pushing box.The light breeze screening device of rape combined harvester disclosed by the invention, cleaning sieve structure can effectively prevent sieve pore blockade, and staggeredly layering sets sorting screen, realize sizing screening again, simple structure, the efficiency high that the material after tentatively being cleaned to cyclone separating tube is separate, noise is small, good stability, energy consumption is low.
Description
Technical field
The present invention relates to harvest technical field in agricultural machinery, and in particular to a kind of light breeze choosing of rape combined harvester
Device.
Background technology
Rape is the important oil crops of China, the main harvesting approach of rape have artificial results, mechanical coupling segment harvest and
Combining.Wherein combining can disposably complete harvesting, threshing, separate, cleans and the operation such as straw-returning, production effect
Rate is high.Rapeseed plants are tall and big, stem is sturdy and branch amount is more, and mutually winding interlocks between branch, silique levels maturity
Difference is big, and ripe silique easily fries pod, and its unique biological characteristics causes rape combining technical difficulty big, exists point
Standing grain, cutting, threshing, separate, clean difficulty, and the problems such as loss late, percentage of damage, higher percentage of impurity.
Domestic rape combined harvester is converted on the basis of traditional rice-wheat combine harvester, main to complete
Rape cutting, threshing, the function such as clean.Cleaning plant is the important component of rape combined harvester, and cleaning operation must not
Can be less and most important, directly influence the quality of the important technology index such as clean rate, loss late, productivity ratio.At present, rape is clear
Screening device is generally blower fan plus vibration sieve type and cyclonic separation cleaning and selecting type.Blower fan add vibration sieve type exist complex structure, it is bulky,
Along with the periodic vibration of vibratory sieve in the problems such as screen cloth is easily blocked, and work, very big noise will be produced, this is unfavorable for behaviour
The operation of work person can more damage its health.It is pure air flow cleaning that cyclonic separation is cleaned, main working parts be cyclone separating tube and
Blower fan, negative pressure is produced by blower fan in cyclone separating tube, is completed miscellaneous remaining sucking-off with miscellaneous remaining floating velocity difference using seed
Seed with it is miscellaneous it is remaining separate, cyclonic separation cleaning plant simple structure, but in rape emersion object seed and short stem suspension speed
Degree difference is not obvious, directly influences clean rate, loss late.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention proposes a kind of oil
The light breeze screening device of dish combined harvester, including：
Winnowing box, the top of the Winnowing box, bottom are respectively arranged with charging aperture, discharging opening；
Wind pushing box, the wind pushing box is arranged on the Winnowing box side；
Go out faucal, it is described go out faucal be arranged on the Winnowing box opposite side relative with the wind pushing box；
Cleaning plant, the cleaning plant is arranged on the air-out direction in the wind pushing box.
Further, the wind pushing box is adjustably arranged on the Winnowing box by fixation kit position.
Further, the fixation kit includes fixed seat, screw, screw rod, and the wind pushing box is arranged on the fixed seat
On, stopper slot is provided with the fixed seat, the screw is arranged on the Winnowing box；The screw rod passes through the stopper slot
Screw in the screw.
Further, the cleaning plant includes at least two sorting screens, and described sorting screen one end is arranged on the selection by winnowing
On chamber interior wall, the other end is vacantly arranged in the Winnowing box, and the sorting screen is parallel with the air-out direction in the wind pushing box.
Further, the adjacent sorting screen is alternately separately positioned on relative inwall in the Winnowing box up and down
On.
Further, the free end of the sorting screen sets low than the horizontal position of fixing end；Preferably, the sorting screen and institute
It is 30 °~60 ° to state the angle between selection by winnowing chamber interior wall.
Further, the sorting screen includes compass screen surface, sieve bottom, sieve aperture, and the sieve aperture is described through the compass screen surface, sieve bottom
Buffering air flue is additionally provided near the sieve aperture on compass screen surface.
Further, the sorting screen includes the hollow structure that the compass screen surface, sieve bottom are constituted, and the hollow structure side sets
Air inlet duct is equipped with, the buffering air flue is connected with the hollow structure, and the sieve aperture is not connected with the hollow structure, described
Air inlet duct includes wind deflector, the wind deflector and the compass screen surface into obtuse angle.
A kind of light breeze screening device of rape combined harvester proposed by the present invention, cleaning sieve structure can effectively prevent sieve aperture
Block, and staggeredly layering sets sorting screen, realizes sizing screening, simple structure, after tentatively being cleaned to cyclone separating tube again
The efficiency high that material is separate, noise is small, and good stability, energy consumption is low.Additionally, the device can be by adjusting the position of Winnowing box
Put, regulation air outlet height size is with suitable for different rape varieties and operating mode, raising operating efficiency.
Brief description of the drawings
Fig. 1 is a kind of positive structure schematic of the light breeze screening device of rape combined harvester that the present invention is provided；
Fig. 2 is a kind of another side structural representation of the light breeze screening device of rape combined harvester that the present invention is provided；
Fig. 3 is the structural representation of the wind pushing box that the present invention is provided；
Fig. 4 is the structural representation of the wind pushing box bottom that the present invention is provided；
Fig. 5 is the sorting screen structural representation that the present invention is provided.
Wherein, 1, Winnowing box；2nd, feeding cylinder；3rd, discharge barrel；4th, wind pushing box；41st, air inlet pipe；42nd, air outlet；43rd, it is spacing
Groove；44th, fixed seat；5th, faucal is gone out；6th, sorting screen；61st, the first sieve；62nd, the second sieve；63rd, compass screen surface；64th, bottom is sieved；65th, sieve aperture；
66th, air flue is buffered；67th, wind deflector；68th, air inlet duct；7th, screw rod.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " on ", D score, "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are based on side shown in the drawings
Position or position relationship, are for only for ease of the description present invention and are described with simplified, rather than the device or unit that indicate or imply meaning
Part with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " setting " should be interpreted broadly, for example, it may be fixedly linked, set, or be detachably connected, set, or one
The connection of body ground, setting.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
As shown in Figure 1 and Figure 2, the invention discloses a kind of light breeze screening device of rape combined harvester, including Winnowing box
1, the top of the Winnowing box 1, bottom are respectively arranged with charging aperture, discharging opening, cleaning plant；The Winnowing box 1 it is relative two
Side is respectively arranged with wind pushing box 4, goes out faucal 5, and the wind pushing box 4 is adjustably detachably connected to institute by fixation kit position
The side of Winnowing box 1 is stated, the cleaning plant is arranged on the air-out direction of the wind pushing box 4.
Charging aperture, discharging opening are engaged with feeding cylinder 2, discharge barrel 3 respectively.Feeding cylinder 2 is in horn-like, and thickness is 2mm, will
Material after tentatively being cleaned through cyclone separating tube is entered in Winnowing box 1 by feeding cylinder 2, and the material after tentatively cleaning contains oil
Vegetable seed grain, Fruit pod shell and a small amount of stalk etc..Discharge barrel 3 is in hollow funnel-form, and funnelform discharge barrel contributes to through wind
Rape seed after selecting case to clean quickly and is stably discharged.
Feeding cylinder 2 is connected with charging aperture by plectrum, and charging aperture is provided with an arc-shaped slot, is provided with feeding cylinder and arc
The corresponding bayonet socket of shape draw-in groove, plectrum insertion bayonet socket and stretch into draw-in groove, plectrum into and out will control charging aperture it is big
It is small, so that the amount of feeding of control material.
The position of wind pushing box 4 is adjustably arranged on Winnowing box 1.In this way, the position of wind pushing box can be as needed adjusted,
And then adjust the height and size of air outlet.
As shown in Fig. 1, Fig. 3, Fig. 4, wind pushing box 4 is fixedly connected with fixed seat 44, is provided with fixed seat 44 and wind pushing box 4
The rectangle air outlet 42 being connected, is additionally provided with 4 stopper slots 43 in fixed seat 44, screw, screw rod are provided with Winnowing box 1
One end is screwed in screwed hole through stopper slot 43, and wind pushing box is moved up and down by stopper slot 43 along screw rod.When needs change
During the height of air port, screw rod 7 can be unscrewed, will be moved in fixed seat 44 or move down a segment distance, then tighten screw rod 7.
Wind pushing box section is the less symmetrical eight-sided formation of slightly smaller, wind outlet at broad in the middle, air intake, at the structure air intake
Section is slightly smaller, and wind causes larger turbulent flow and causes energy loss into being unlikely to accumulation diffusion after wind pushing box；Whole wind pushing box knot
Structure is conducive to blast to stablize relatively, air-out is smooth.The side of wind pushing box 4 is connected with air inlet pipe 41, the position of air inlet pipe 41 with go out
Air port 42 is relative, and the cross-sectional area of air inlet pipe 41 is 2 times of air outlet 42, air-flow by air inlet pipe 41 through wind pushing box air outlet 42
Outflow, forms the air-flow of larger wind speed and flows into Winnowing box 1, is conducive to improving selection by winnowing effect.Certainly, as needed, air inlet
The cross-sectional area of pipe 41 can also be other multiples of air outlet 42.
Cleaning plant includes at least two sorting screens 6：First the 61, second sieve 62 of sieve, the first sieve is arranged on the upper of the second sieve
Side, one end welding of first the 61, second sieve 62 of sieve is arranged on selection by winnowing chamber interior wall, and the other end is vacantly arranged in Winnowing box, and
First the 61, second sieve of sieve 62 is staggeredly welded on the relative inwall of Winnowing box 1, the horizontal position of the free end than fixing end of sorting screen
Set low, the angle between first the 61, second sieve 62 of sieve and selection by winnowing chamber interior wall is 30 °~60 °.As shown in figure 5, the sorting screen bag
Compass screen surface 63, sieve bottom 64, sieve aperture 65 are included, the compass screen surface, sieve bottom constitute hollow structure, and the sieve aperture is through the compass screen surface, sieve bottom, institute
Sieve aperture is stated not connected with the hollow structure, be additionally provided near the sieve aperture on the compass screen surface buffering air flue 66, it is described in
Hollow structure side is provided with air inlet duct 68, and the buffering air flue is connected with the hollow structure, and the air inlet duct includes wind-guiding
Plate 67, the wind deflector and the compass screen surface into obtuse angle.The air-flow major part come by wind pushing box feeding directly blows to enter from charging aperture
The material for entering, fraction enters buffering air flue, because stalk proportion is small compared with rape seed, the stalk body of identical weight by wind deflector
Product is bigger than rape seed, big by wind action power, can obtain farther by wind, so the bulky short stem of light weight is in horizontal stroke
To Winnowing box is blown from going out faucal 5 in the presence of air-flow, part rape seed falls into discharging opening via the sieve aperture of sorting screen 6,
Part rape seed is slid to discharging opening via compass screen surface, due to buffering the setting of air flue, the material of entrance will not on compass screen surface shape
Into dense packing, mutual extruding situation of the material in sieve aperture is reduced, so as to alleviate the possibility of feed blocking sieve aperture, and
And due to the power effect of buffering air flue windward, the material entered from charging aperture can seethe with excitement on sorting screen compass screen surface, overturn
Compound movement, is favorably improved cleaning efficiency.First the 61, second sieve of sieve 62 forms sizing screening, and material enters in the first sorting screen
Row first time wind filter, removes the material such as short stem of the larger lighter weight of volume, material or by sieve aperture or via compass screen surface
The second sorting screen is slipped down to, the impurity of smaller size smaller is removed again, obtain the pure rape seed of comparing, so as to reach preferably
The separating effect of rape seed and stalk.
Angle between sorting screen and selection by winnowing chamber interior wall is 30 °~60 °, and the aperture of sorting screen is 4-6mm.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
Can these embodiments be carried out with various changes, modification, replacement and modification in the case of departing from principle of the invention and objective, this
The scope of invention is limited by claim and its equivalent.
Claims (8)
1. a kind of light breeze screening device of rape combined harvester, it is characterised in that including：
Winnowing box, the top of the Winnowing box, bottom are respectively arranged with charging aperture, discharging opening；
Wind pushing box, the wind pushing box is arranged on the Winnowing box side；
Go out faucal, it is described go out faucal be arranged on the Winnowing box opposite side relative with the wind pushing box；
Cleaning plant, the cleaning plant is arranged on the air-out direction in the wind pushing box.
2. the light breeze screening device of rape combined harvester according to claim 1, it is characterised in that the wind pushing box leads to
Fixation kit position is crossed adjustably to be arranged on the Winnowing box.
3. the light breeze screening device of rape combined harvester according to claim 2, it is characterised in that the fixation kit
Including fixed seat, screw, screw rod, the wind pushing box is arranged in the fixed seat, and stopper slot, institute are provided with the fixed seat
Screw is stated to be arranged on the Winnowing box；The screw rod is screwed in the screw through the stopper slot.
4. the light breeze screening device of rape combined harvester according to claim 1, it is characterised in that the cleaning plant
Including at least two sorting screens, described sorting screen one end is arranged on the selection by winnowing chamber interior wall, and the other end is vacantly arranged on described
In Winnowing box, the sorting screen is parallel with the air-out direction in the wind pushing box.
5. the light breeze screening device of rape combined harvester according to claim 4, it is characterised in that adjacent is described clear
Choosing sieve is alternately separately positioned on relative inwall in the Winnowing box up and down.
6. the light breeze screening device of rape combined harvester according to claim 5, it is characterised in that the sorting screen
Free end sets low than the horizontal position of fixing end；Preferably, the angle between the sorting screen and the selection by winnowing chamber interior wall be 30 °~
60°。
7. the light breeze screening device of rape combined harvester according to claim 4, it is characterised in that the sorting screen bag
Compass screen surface, sieve bottom, sieve aperture are included, the sieve aperture is additionally provided with slow through the compass screen surface, sieve bottom near the sieve aperture on the compass screen surface
Qi of chong channel ascending adversely road.
8. the light breeze screening device of rape combined harvester according to claim 7, it is characterised in that the sorting screen bag
Include the compass screen surface, the hollow structure that sieve bottom is constituted, the hollow structure side is provided with air inlet duct, the buffering air flue with it is described
Hollow structure is connected, and the sieve aperture is not connected with the hollow structure, the air inlet duct include wind deflector, the wind deflector with
The compass screen surface is into obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710230190.XA CN106856886A (en) | 2017-04-10 | 2017-04-10 | A kind of light breeze screening device of rape combined harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710230190.XA CN106856886A (en) | 2017-04-10 | 2017-04-10 | A kind of light breeze screening device of rape combined harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106856886A true CN106856886A (en) | 2017-06-20 |
Family
ID=59162109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710230190.XA Pending CN106856886A (en) | 2017-04-10 | 2017-04-10 | A kind of light breeze screening device of rape combined harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106856886A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957567A (en) * | 2020-03-11 | 2020-11-20 | 高平市宏大机械制造有限公司 | Negative pressure formula cereal second grade wind selector |
| US20210315163A1 (en) * | 2018-09-07 | 2021-10-14 | Roy BREWIN | Crop dust separation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210315163A1 (en) * | 2018-09-07 | 2021-10-14 | Roy BREWIN | Crop dust separation system |
| US12096721B2 (en) * | 2018-09-07 | 2024-09-24 | Roy BREWIN | Crop dust separation system |
| CN111957567A (en) * | 2020-03-11 | 2020-11-20 | 高平市宏大机械制造有限公司 | Negative pressure formula cereal second grade wind selector |
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Application publication date: 20170620 |
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