CN104956858A - Airflow cleaning device for community harvester - Google Patents
Airflow cleaning device for community harvester Download PDFInfo
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- CN104956858A CN104956858A CN201510456877.6A CN201510456877A CN104956858A CN 104956858 A CN104956858 A CN 104956858A CN 201510456877 A CN201510456877 A CN 201510456877A CN 104956858 A CN104956858 A CN 104956858A
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Abstract
The invention discloses an airflow cleaning device for a community harvester. The airflow cleaning device comprises a conveying cleaning draught fan, an air flue and a cyclone separator. The conveying cleaning draught fan is installed at the upper left portion of the tail of the community harvester. The cyclone separator is installed at the upper right portion of the tail of the community harvester. The air flue is located below a grain collector at the tail of the community harvester, and a grain collecting port of the air flue is communicated with a grain outlet of the grain collector in a closed mode. An air outlet of the conveying cleaning draught fan is connected with an air inlet port of the air flue through a connecting hose A in a closed mode. The cyclone separator is connected with an air outlet end port of the air flue through a connecting hose B in a closed mode. By means of the combination with the air screening type cleaning device on the upstream part of the community harvester, the grain impurity rate and the cleaning loss rate are effectively reduced, and the cleaning requirement of the community harvester is met with the simple and reliable structure.
Description
Technical field
The present invention relates to agricultural machinery technological field, particularly relate to a kind of airstream cleaning device for plot harvester.
Background technology
Cleaning is the important link of in crop harvesting process one, the function of cleaning plant is cleaned out by the impurity such as the broken cauline leaf in the impurity separated from threshing cylinder, clever chaff, and require its seed percentage of impurity, percent of loss is no more than the requirement that standard specifies.Seed percentage of impurity in sorting performance, cleaning loss percentage are the leading indicators weighing combine product quality.Experiment field plot harvester is higher than general grain header for the requirement of cleaning link, thus only has traditional Winnowing type to clean structure and can not meet the requirement of experiment field, community crop for indexs such as seed percentage of impurity, cleaning loss percentages.Pneumatic cleaning device is primarily of blower fan and cylinder composition.It is according to resistance coefficient of component each in material and the difference of critical speed, different component is separated respectively and collects.Pneumatic cleaning device belongs to without sieve pneumatic separation device, is divided into cyclonic air flow formula device and simple and easy winnowing type device.Simple and easy winnowing type device directly acts on material to be cleaned according to the air-flow that blower fan produces and cleans, though this device structure is simple, but loss is serious.Cyclonic air flow formula device, compared with Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve, structure simplifies greatly, low in energy consumption, reliable operation.In view of advantages such as the separative efficiency of cyclone separator are high, structure is simple, volume is little, be applied on plot harvester and had great advantage, it is a kind of extraordinary selection, there is vast potential for future development, and there is no the cleaning plant that a kind of structure is simple, function is superior, effect is better in existing plot harvester.
Summary of the invention
For the weak point that prior art exists, the object of the present invention is to provide that a kind of structure is simple, the airstream cleaning device of reliable operation, this device is used for carrying out secondary to the cereal impurity that plot harvester Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve cleans rear generation and cleans.
Object of the present invention is achieved through the following technical solutions:
A kind of airstream cleaning device for plot harvester, comprise conveying cleaning fan, air channel and cyclone separator, conveying cleaning fan is installed and is arranged at plot harvester afterbody upper left side, cyclone separator is installed and is arranged at plot harvester afterbody upper right side, below the grain collector that described air channel is arranged at plot harvester afterbody and the grain mouth that connects in air channel be communicated with the grain outlet of grain collector is airtight; Be connected by connecting hose A is airtight between the air outlet of described conveying cleaning fan and the air intake port in air channel, be connected by connecting hose B is airtight between described cyclone separator and the air-out port in air channel.The afterbody critical piece of plot harvester is grain collector, and the airstream cleaning device that the present invention be directed to the attached installation of plot harvester afterbody carries out innovative design.
In order to realize the present invention better, described cyclone separator comprises grain-entering mouth, cylindrical shell, grain outlet, impurity outlet and flight, the grain-entering mouth of described cyclone separator is communicated with connecting hose B is airtight, the inner passage of grain-entering mouth is connected with the inner passage of cylindrical shell, cylindrical shell is communicated with impurity outlet, between cylindrical shell and impurity outlet, inside is provided with described flight, described cylindrical shell is also communicated with and is provided with described grain outlet.
The present invention preferably carries cleaning fan structure technology scheme to be: the spiral fan that described conveying cleaning fan inside is provided with drive unit and relies on drive unit to rotate, and described conveying cleaning fan is also provided with air quantity adjusting mechanism.
In order to clean out the cereal blocked in grain collector or air channel in time, described grain collector puts silo door or/and air channel is provided with.
In order to allow the maslin in grain collector more successfully enter air channel, described grain collector is being provided with flow-guiding structure with junction, air channel.
The invention provides a kind of preferred connecting hose A and carry the mode that removably connects between cleaning fan, air channel: by clamp connection between the air outlet of described connecting hose A and conveying cleaning fan, between the air intake port in described connecting hose A and air channel, pass through clamp connection.
The invention provides a kind of preferred connecting hose B and carry the mode that removably connects between cleaning fan, air channel: by clamp connection between the air-out port in described connecting hose B and air channel, between the grain-entering mouth of connecting hose B and described cyclone separator, pass through clamp connection.
As preferably, described grain collector is provided with vibrating mechanism, and the grain outlet of grain collector is funnel shaped.Can promote that maslin enters air channel more swimmingly from grain collector like this, prevent having cleaned rear maslin simultaneously and remain in grain collector
As preferably, described flow-guiding structure is deflector.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
This airstream cleaning device, by combining with the Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve of plot harvester upstream, effectively reduces seed percentage of impurity, cleaning loss percentage, with simple, reliably structure meet plot harvester clean requirement.
Accompanying drawing explanation
Fig. 1 is the structural representation of this airstream cleaning device.
Fig. 2 is the structural representation of this airstream cleaning device conveying cleaning fan.
Fig. 3 is the structural representation of this airstream cleaning device air channel and grain collector.
Fig. 4 is this airstream cleaning device cyclone separator structure schematic diagram.
Wherein, the name corresponding to the Reference numeral in accompanying drawing is called:
1-conveying cleaning fan, 2-connecting hose A, 3-air channel, 4-grain collector, 5-connecting hose B, 6-cyclone separator, 101-air quantity adjusting mechanism, 102-spiral fan, 301-deflector, 302-silo door, 401-grain-entering mouth, 402-cylindrical shell, 403-grain outlet, 404-impurity outlet, 405-flight.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment
As shown in Figure 1 to 4, a kind of airstream cleaning device for plot harvester, comprise conveying cleaning fan 1, air channel 3 and cyclone separator 6, conveying cleaning fan 1 is installed and is arranged at plot harvester afterbody upper left side, cyclone separator 6 is installed and is arranged at plot harvester afterbody upper right side, below the grain collector 4 that described air channel 3 is arranged at plot harvester afterbody and the grain mouth that connects in air channel 3 be communicated with the grain outlet of grain collector 4 is airtight; Be connected by connecting hose A2 is airtight between the air outlet of described conveying cleaning fan 1 and the air intake port in air channel 3, be connected by connecting hose B5 is airtight between described cyclone separator 6 and the air-out port in air channel 3.
According to the preferred cyclone separator embodiment of the present invention one, cyclone separator 6 comprises grain-entering mouth 401, cylindrical shell 402, grain outlet 403, impurity outlet 404 and flight 405, the grain-entering mouth 401 of described cyclone separator 6 is communicated with connecting hose B5 is airtight, the inner passage of grain-entering mouth 401 is connected with the inner passage of cylindrical shell 402, cylindrical shell 402 is communicated with impurity outlet 404, between cylindrical shell 402 and impurity outlet 404, inside is provided with described flight 405, described cylindrical shell 402 is also communicated with and is provided with described grain outlet 403.
According to the present invention one preferably conveying cleaning fan embodiment, the spiral fan 102 that conveying cleaning fan 1 inside is provided with drive unit and relies on drive unit to rotate, described conveying cleaning fan 1 is also provided with air quantity adjusting mechanism 101.
According to the present invention's preferred embodiment, grain collector 4 puts silo door 302 or/and air channel 3 is provided with.
According to the present invention's preferred embodiment, grain collector 4 is being provided with flow-guiding structure with junction, air channel 3.
According to the present invention's preferred embodiment, by clamp connection between the air outlet of connecting hose A2 and conveying cleaning fan 1, between the air intake port in described connecting hose A2 and air channel 3, pass through clamp connection.
According to the present invention's preferred embodiment, by clamp connection between the air-out port in connecting hose B5 and air channel 3, between the grain-entering mouth 401 of connecting hose B5 and described cyclone separator 6, pass through clamp connection.
According to the present invention's preferred embodiment, grain collector 4 is provided with vibrating mechanism, and the grain outlet of grain collector 4 is funnel shaped.
According to the present invention's preferred embodiment, flow-guiding structure is deflector 301.
Embodiment one
As shown in Figure 1 to 4, a kind of airstream cleaning device for plot harvester, this cleaning plant forms by carrying cleaning fan 1, connecting hose A2, air channel 3, grain collector 4, connecting hose B5 and cyclone separator 6.Described conveying cleaning fan 1 is installed on plot harvester afterbody upper left side, and described air channel 3 is positioned at below plot harvester afterbody grain collector 4, and conveying cleaning fan 1 is connected by connecting hose A2 with air channel 3; Described cyclone separator 6 is installed on plot harvester afterbody upper right side, is connected by connecting hose B5 with connector on the right side of air channel 3, and described connecting hose A2 and junction, connecting hose 6 two ends are all done encapsulation process and use clip to clamp.Described air channel 3 is being provided with flow-guiding structure with grain collector 4 junction, is enough to mixture press-in air channel negative pressure in grain collector 4 to guarantee to be formed herein.Described grain collector 4 is funnel type and can drives swing by connecting rod, can promote that maslin enters air channel more swimmingly like this, prevent having cleaned rear maslin simultaneously and remain in grain collector 4.Described cyclone separator 6 inside has been provided with water conservancy diversion flight, after maslin is blown into cyclone separator 6 from grain-entering mouth, the grain that proportion is larger drops to grain outlet downwards gradually, then flown out from cyclone separator 6 above by impurity outlet more than less assorted of proportion, thus achieve assorted more than with being separated of grain.
Embodiment two
As shown in Figure 1 to 4, a kind of airstream cleaning device for plot harvester, Fig. 1 can find out that the present invention forms by carrying cleaning fan 1, connecting hose A2, air channel 3, grain collector 4, connecting hose B5 and cyclone separator 6.Described conveying cleaning fan 1 is installed on plot harvester afterbody upper left side, and described air channel 3 is positioned at below plot harvester afterbody grain collector 4, and conveying cleaning fan 1 is connected by connecting hose A2 with air channel 3; Described grain collector 4 and air channel 3 weld together; Described cyclone separator 6 is installed on plot harvester afterbody upper right side, is connected in grain-entering mouth with connector on the right side of air channel 3 by connecting hose B5, and described connecting hose A2 and junction, connecting hose B5 two ends are all done encapsulation process and use clip to clamp.Described connecting hose A2 and connecting hose B5 adopts the plastic flexible pipe containing steel-wire carcass.
Fig. 2 can find out that the flabellum 102 of described conveying cleaning fan 1 is helical form, and the alternate layout of size, be provided with air quantity adjusting mechanism 101, utilize this mechanism can regulate the size entering air channel volume according to actual needs.
Fig. 3 can find out that described air channel 3 is being provided with deflector 301 with grain collector 4 junction, to guarantee to form negative pressure herein, thus by mixture in grain collector 4 from this press-in air channel; The bottom surface, air channel 3 that grain collector 4 times Founders are right is provided with one and puts silo door 302, can be processed situations such as blockings in particular cases timely by it.Described grain collector 4 is funnel type and drives swing by connecting rod, and that fills like this ensure that in grain collector 4, maslin enters air channel more swimmingly, prevents having cleaned rear maslin simultaneously and remains in grain collector 4.
Fig. 4 can find out that described cyclone separator 6 is by grain-entering mouth 401, cylindrical shell 402, grain outlet 403 and impurity outlet 404, flight 405 forms, grain in air channel and a small amount of assorted remaining mixture are blown into cyclone separator 6 from grain-entering mouth 401, rotate along cylindrical shell 402 edge, flight 405 is its guide functions herein, the grain that wherein proportion is larger drops to grain outlet 403 place gradually downwards, then flown out from cyclone separator 6 above by impurity outlet 404 more than lighter assorted of proportion, thus achieve assorted more than with being separated of grain.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the airstream cleaning device for plot harvester, it is characterized in that: comprise conveying cleaning fan (1), air channel (3) and cyclone separator (6), conveying cleaning fan (1) is installed and is arranged at plot harvester afterbody upper left side, cyclone separator (6) install be arranged at plot harvester afterbody upper right side, described air channel (3) be arranged at plot harvester afterbody grain collector (4) below and the grain mouth that connects of air channel (3) be communicated with the grain outlet of grain collector (4) is airtight; Be connected by connecting hose A (2) is airtight between the air outlet of described conveying cleaning fan (1) and the air intake port of air channel (3), be connected by connecting hose B (5) is airtight between described cyclone separator (6) and the air-out port of air channel (3).
2. according to the airstream cleaning device for plot harvester according to claim 1, it is characterized in that: described cyclone separator (6) comprises grain-entering mouth (401), cylindrical shell (402), grain outlet (403), impurity outlet (404) and flight (405), the grain-entering mouth (401) of described cyclone separator (6) is communicated with connecting hose B (5) is airtight, the inner passage of grain-entering mouth (401) is connected with the inner passage of cylindrical shell (402), cylindrical shell (402) is communicated with impurity outlet (404), between cylindrical shell (402) and impurity outlet (404), inside is provided with described flight (405), described cylindrical shell (402) is also communicated with and is provided with described grain outlet (403).
3. according to the airstream cleaning device for plot harvester according to claim 1, it is characterized in that: the spiral fan (102) that described conveying cleaning fan (1) inside is provided with drive unit and relies on drive unit to rotate, described conveying cleaning fan (1) is also provided with air quantity adjusting mechanism (101).
4. according to the airstream cleaning device for plot harvester according to claim 1, it is characterized in that: described grain collector (4) puts silo door (302) or/and air channel (3) are provided with.
5. according to the airstream cleaning device for plot harvester according to claim 1, it is characterized in that: described grain collector (4) is being provided with flow-guiding structure with air channel (3) junction.
6. according to the airstream cleaning device for plot harvester according to claim 1, it is characterized in that: by clamp connection between the air outlet of described connecting hose A (2) and conveying cleaning fan (1), between the air intake port of described connecting hose A (2) and air channel (3), pass through clamp connection.
7. according to the airstream cleaning device for plot harvester according to claim 2, it is characterized in that: by clamp connection between the air-out port of described connecting hose B (5) and air channel (3), between the grain-entering mouth (401) of connecting hose B (5) and described cyclone separator (6), pass through clamp connection.
8. according to the airstream cleaning device for plot harvester according to claim 1, it is characterized in that: described grain collector (4) is provided with vibrating mechanism, and the grain outlet of grain collector (4) is funnel shaped.
9. according to the airstream cleaning device for plot harvester according to claim 5, it is characterized in that: described flow-guiding structure is deflector (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456877.6A CN104956858A (en) | 2015-07-30 | 2015-07-30 | Airflow cleaning device for community harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456877.6A CN104956858A (en) | 2015-07-30 | 2015-07-30 | Airflow cleaning device for community harvester |
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| Publication Number | Publication Date |
|---|---|
| CN104956858A true CN104956858A (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510456877.6A Pending CN104956858A (en) | 2015-07-30 | 2015-07-30 | Airflow cleaning device for community harvester |
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| CN (1) | CN104956858A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856886A (en) * | 2017-04-10 | 2017-06-20 | 华中农业大学 | A kind of light breeze screening device of rape combined harvester |
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| CN201146699Y (en) * | 2007-06-14 | 2008-11-12 | 湖州思达机械制造有限公司 | Airflow-conveying high position discharge mechanism of combine-harvester |
| CN103460912A (en) * | 2013-09-20 | 2013-12-25 | 河南科技大学 | Cyclone separating barrel and cleaning system and combine harvester using cyclone separating barrel |
| CN203618416U (en) * | 2013-12-26 | 2014-06-04 | 成都金川田农机制造有限公司 | Whirlwind cleaning device of rice and wheat combine harvester |
| CN203896795U (en) * | 2014-05-30 | 2014-10-29 | 重庆华世丹机械制造有限公司 | Secondary cleaning mechanism of combine harvester |
| CN104686097A (en) * | 2015-03-19 | 2015-06-10 | 青岛农业大学 | Pneumatic conveying quantitative bagging device of small-area cereal combine harvester |
| CN204811094U (en) * | 2015-07-30 | 2015-12-02 | 四川刚毅科技集团有限公司 | A airflow cleaning device for plot harvester |
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2015
- 2015-07-30 CN CN201510456877.6A patent/CN104956858A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146699Y (en) * | 2007-06-14 | 2008-11-12 | 湖州思达机械制造有限公司 | Airflow-conveying high position discharge mechanism of combine-harvester |
| CN103460912A (en) * | 2013-09-20 | 2013-12-25 | 河南科技大学 | Cyclone separating barrel and cleaning system and combine harvester using cyclone separating barrel |
| CN203618416U (en) * | 2013-12-26 | 2014-06-04 | 成都金川田农机制造有限公司 | Whirlwind cleaning device of rice and wheat combine harvester |
| CN203896795U (en) * | 2014-05-30 | 2014-10-29 | 重庆华世丹机械制造有限公司 | Secondary cleaning mechanism of combine harvester |
| CN104686097A (en) * | 2015-03-19 | 2015-06-10 | 青岛农业大学 | Pneumatic conveying quantitative bagging device of small-area cereal combine harvester |
| CN204811094U (en) * | 2015-07-30 | 2015-12-02 | 四川刚毅科技集团有限公司 | A airflow cleaning device for plot harvester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856886A (en) * | 2017-04-10 | 2017-06-20 | 华中农业大学 | A kind of light breeze screening device of rape combined harvester |
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Application publication date: 20151007 |
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