CN202396186U - Winnower and cleaning system applying same - Google Patents
Winnower and cleaning system applying same Download PDFInfo
- Publication number
- CN202396186U CN202396186U CN2011204517856U CN201120451785U CN202396186U CN 202396186 U CN202396186 U CN 202396186U CN 2011204517856 U CN2011204517856 U CN 2011204517856U CN 201120451785 U CN201120451785 U CN 201120451785U CN 202396186 U CN202396186 U CN 202396186U
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- China
- Prior art keywords
- winnower
- winnow
- housing
- winnowing
- charging aperture
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Abstract
The utility model discloses a winnower and a cleaning system applying the same. The winnower comprises a casing and winnowing blades rotatably assembled in the casing. The end face of one end of the casing perpendicular to the rotating center line of the winnowing blades is provided with a feeding port, and a wind inlet is additionally arranged on the end face of one end of the casing provided with the feeding port. Due to the fact that the casing of the winnower is provided with the wind inlet, the quantity of air conveyed to a conveying pipe by the winnower is increased. Accordingly, on the premise that rotation of the winnower is not accelerated, the fact that the winnower has enough wind force is guaranteed, and blocking of the conveying pipe caused by the fact that the speed of light sundries in to-be-cleaned materials is too slow due to wind force shortage of the winnower is avoided.
Description
Technical field
The utility model relates to a kind of cyclonic separation cleaning and sorting system of grain combine, is specifically related to the winnow that cleaning and sorting system is used.
Background technology
Cleaning and sorting system is the important component part of grain combine, and the quality of its performance directly has influence on the operation effectiveness of complete machine.At present, on most of grain combines, the mode of cleaning that extensively adopts blower fan to match with vibratory sieve.But,,, should not dispose bulky " blower fan-vibratory sieve " cleaning and sorting system owing to receive the restriction of power and locus for the miniature grain combine of hilly and mountainous land.Consider that miniature grain combine feed quantity is less, cleaning operation with cyclonic separation cleaning and sorting system completion simple and compact for structure, reliable operation is more reasonably to select.
Existing cyclonic separation cleaning and sorting system mainly is made up of winnow, conveyance conduit, cyclone separating tube, impurity adsorbing blower and gettering pipeline; The cylindrical shell of cyclone separating tube is a both ends open structure up and down; The lower ending opening of cylindrical shell is the mouth of putting out cereal, and an end of gettering pipeline links to each other with the sealing of the gettering mouth of cyclone separating tube, the other end links to each other with the gettering mouth sealing of said impurity adsorbing blower.Said winnow comprises housing; Offer on the inner end face of housing on the charging aperture that is communicated with the output of screw feeder, the sidewall and offer feeding port; Be rotatably equipped with in the housing and the coaxial rotating shaft that is connected of the screw conveyor shaft of screw feeder; Radially be fixed with dividing plate in the rotating shaft, dividing plate towards screw feeder one side the blade of winnowing is installed.One end of said conveyance conduit links to each other with the feeding mouth sealing that the cylindrical shell interlude is offered, the other end links to each other with the feeding port sealing of winnow.
During work; Material to be cleaned (seed, clever chaff, short stem mixture) is delivered in the housing of winnow by screw feeder; Under the effect of the blade of winnowing, will wait simultaneously to clean material is thrown in the cyclone separating tube through conveyance conduit at a high speed along the tangential direction of cyclone separating tube; Under the acting in conjunction of inertia force, gravity and air-flow, the bigger seed of proportion along the barrel of cylindrical shell interlude in the shape of a spiral track mouthful move to putting out cereal, the less light foreign material of proportion are to the cyclone separating tube central motion; And discharge by impurity adsorbing blower through the gettering pipeline, realize separating of foreign material such as seed and clever chaff.Waiting to clean material is to produce wind-force through the blade rotation of winnowing to realize by winnow to the conveying of cyclone separating tube; Because the rotating speed of screw conveyor shaft restriction; The wind-force that the winnow of said structure produces is not enough, if wait to clean the percentage of impurity of material when higher, often causes the obstruction of conveyance conduit; When the fed distance of conveyance conduit was big, this phenomenon was particularly serious.
The utility model content
The purpose of the utility model provides a kind of under the prerequisite that does not improve the winnow rotating speed, can promote the winnow that its conveying capacity prevents that conveyance conduit from stopping up, and the cleaning and sorting system that uses this winnow is provided simultaneously.
The winnow of the utility model adopts following technical scheme: a kind of winnow; Comprise housing and rotate the blade of winnowing that is assemblied in the housing; Offer charging aperture on the end end face perpendicular to the blade rotation center line of winnowing of housing, have additional air inlet on the end end face with charging aperture of said housing.
Said air inlet is the fan-shaped or polygon that is communicated with charging aperture.
The cleaning and sorting system of the utility model adopts following technical scheme: a kind of cleaning and sorting system; Comprise cyclone separating tube; The upper end of said cyclone separating tube is communicated with on impurity adsorbing blower, the interlude and is communicated with winnow; Said winnow comprises housing and rotates the blade of winnowing that is assemblied in the housing, offers charging aperture on the end end face perpendicular to the blade rotation center line of winnowing of housing, has additional air inlet on the end end face with charging aperture of said housing.
Said air inlet is the fan-shaped or polygon that is communicated with charging aperture.
Adopt the winnow of said structure and use the cleaning and sorting system of this winnow; Owing to have charging aperture on the end face perpendicular to the blade rotation center line of winnowing on the housing of winnow; And also offer air inlet on the end face with charging aperture of housing; This air inlet has improved the air quantity that winnow is carried to conveyance conduit; Under the prerequisite that does not improve the winnow rotation, guaranteed that winnow has enough wind-force like this, prevented to stop up conveyance conduit because of winnow wind-force deficiency it's the end causes to past the light foreign material speed of waiting to clean in the material.
Description of drawings
Fig. 1 is the cleaning and sorting system structural representation of the utility model;
Fig. 2 is the winnow structural representation among Fig. 1;
Fig. 3 is the left view of Fig. 2.
Embodiment
The embodiment of the winnow of the utility model: like Fig. 2, shown in Figure 3; Comprise housing 51 and be installed in being used for and the coaxial rotating shaft that is connected 54 of screw conveyor shaft in the housing 51; Radially be provided with the dividing plate 53 that is connected with rotating shaft 54 in the housing 51; Dividing plate 53 is along the circumferential separation of rotating shaft 54, and the side towards screw feeder of each dividing plate 53 all is equipped with the blade 52 of winnowing.Housing 51 on the end face of screw feeder one end, offer the charging aperture that is communicated with the output of screw feeder, blade 52 positions of winnowing relatively on housing 51 sidewalls offer discharging opening.At the air inlet 55 that on the end face of screw feeder one end, also offers sector structure of housing 51, air inlet 55 is communicated with charging aperture, and the structure of said air inlet 55 also can be polygon.
During the foregoing description work; The discharging opening of winnow 5 is communicated with conveyance conduit; Waiting to clean material gets into through the charging aperture of screw feeder by winnow 5; The rotating shaft 54 of winnow 5 drives the blade 52 of winnowing and rotates along with screw conveyor shaft rotates simultaneously together, under the effect of the blade 52 of winnowing, air-flow gets in the housings by air inlet 55 and will wait to clean material and is delivered to conveyance conduit by the discharging opening of winnow 5.
The embodiment of the cleaning and sorting system of the utility model: shown in Fig. 1-3; Comprise cyclone separating tube 3; The upper end of cyclone separating tube 3 is communicated with on impurity adsorbing blower 1, the interlude through gettering pipeline 2 and is communicated with winnow 5 through conveyance conduit 4; The structure of the winnow in the structure of winnow 5 and the foregoing description is consistent, and its content repeats no more at this.
During cleaning and sorting system work; Wait to clean material and got in the cyclone separating tubes 3 through conveyance conduit 4 by the discharging opening of winnow 5, in cyclone separating tube 3, the bigger seed of proportion is along the inwall of cyclone separating tube 3 orbiting motion in the shape of a spiral; And discharge by the lower ending opening of cyclone separating tube 3; Clever chaff that proportion is less and short stem be to cyclone separating tube 3 intermediary movementses, and discharged by impurity adsorbing blower 1 through gettering pipeline 2, thereby realize separating of seed and light foreign material.
Claims (4)
1. winnow; Comprise housing and rotate the blade of winnowing that is assemblied in the housing; Offer charging aperture on the end end face perpendicular to the blade rotation center line of winnowing of housing, it is characterized in that: have additional air inlet on the end end face with charging aperture of said housing.
2. winnow according to claim 1 is characterized in that: the fan-shaped or polygon of said air inlet for being communicated with charging aperture.
3. cleaning and sorting system; Comprise cyclone separating tube; The upper end of said cyclone separating tube is communicated with on impurity adsorbing blower, the interlude and is communicated with winnow; Said winnow comprises housing and rotates the blade of winnowing that is assemblied in the housing, offers charging aperture on the end end face perpendicular to the blade rotation center line of winnowing of housing, it is characterized in that: have additional air inlet on the end end face with charging aperture of said housing.
4. cleaning and sorting system according to claim 3 is characterized in that: the fan-shaped or polygon of said air inlet for being communicated with charging aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204517856U CN202396186U (en) | 2011-11-15 | 2011-11-15 | Winnower and cleaning system applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204517856U CN202396186U (en) | 2011-11-15 | 2011-11-15 | Winnower and cleaning system applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202396186U true CN202396186U (en) | 2012-08-29 |
Family
ID=46693876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204517856U Expired - Fee Related CN202396186U (en) | 2011-11-15 | 2011-11-15 | Winnower and cleaning system applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202396186U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612983A (en) * | 2016-12-02 | 2017-05-10 | 湖南农业大学 | Rice seed production threshing grain-cleaning device |
| CN111972120A (en) * | 2020-09-03 | 2020-11-24 | 胡坤红 | Adjustable air duct structure of combine harvester |
-
2011
- 2011-11-15 CN CN2011204517856U patent/CN202396186U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612983A (en) * | 2016-12-02 | 2017-05-10 | 湖南农业大学 | Rice seed production threshing grain-cleaning device |
| CN111972120A (en) * | 2020-09-03 | 2020-11-24 | 胡坤红 | Adjustable air duct structure of combine harvester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20141115 |
|
| EXPY | Termination of patent right or utility model |