CN215735821U - Novel rape seed grain is cleaned device - Google Patents
Novel rape seed grain is cleaned device Download PDFInfo
- Publication number
- CN215735821U CN215735821U CN202121664440.9U CN202121664440U CN215735821U CN 215735821 U CN215735821 U CN 215735821U CN 202121664440 U CN202121664440 U CN 202121664440U CN 215735821 U CN215735821 U CN 215735821U
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- sieve
- drum sieve
- cylindrical screen
- screen
- cylinder sieve
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- 235000004977 Brassica sinapistrum Nutrition 0.000 title claims abstract description 19
- 244000188595 Brassica sinapistrum Species 0.000 title claims abstract 11
- 238000004140 cleaning Methods 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 14
- 241000196324 Embryophyta Species 0.000 claims abstract description 10
- 241000251169 Alopias vulpinus Species 0.000 claims abstract description 6
- 238000009826 distribution Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 240000002791 Brassica napus Species 0.000 description 12
- 239000012535 impurity Substances 0.000 description 5
- 235000011293 Brassica napus Nutrition 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 235000006008 Brassica napus var napus Nutrition 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
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- Threshing Machine Elements (AREA)
Abstract
The utility model provides a novel rape seed grain cleaning plant, this cleaning plant set up the below at rape harvester's thresher, carry the screw feeder including centrifugal fan, crossflow fan, preceding drum sieve, back drum sieve and seed grain, preceding drum sieve sets up side by side and the certain distance distribution in thresher's discharge gate below with back drum sieve, centrifugal fan sets up the place ahead of drum sieve in the front, and preceding drum sieve and the sifter of back drum sieve below are pressed close to in centrifugal fan's air outlet, crossflow fan sets up the rear at back drum sieve, and crossflow fan inhales the sifter of material mouth near preceding drum sieve and back drum sieve top, seed grain carries the screw feeder to set up the below at preceding drum sieve and back drum sieve. This scheme adopts the structure setting of two cylinder sieves of double fan cooperation, has solved current wind sieve formula cleaning plant and has had vibration big, and the noise is high, and the consumption is big and the rape seed easily blocks up cleaning sieve mesh scheduling problem, has system simple structure, advantage that low in manufacturing cost.
Description
Technical Field
The utility model relates to the technical field of agricultural mechanical equipment, in particular to a novel rape seed cleaning device.
Background
At present, rape is a main oil crop in China and a main source of high-quality edible vegetable oil in China. At present, the research and production of rape combined harvesting technology and harvester has been widely carried out all over the country.
The cleaning system is a core working part of the combine harvester, and directly influences important technical indexes of rape seed loss rate, cleaning efficiency, cleaning rate and the like. The rape is mostly cleaned by adopting an air screen type cleaning device, and the air screen type cleaning device has the problems of large vibration, high noise, large power consumption and the like. Meanwhile, because the rapeseeds are easy to break in threshing, the broken rapeseeds are easy to block the sieve pores of the cleaning sieve, thereby influencing the cleaning quality.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a novel rape seed cleaning device, which adopts the structure that a double fan is matched with a double-cylinder screen, solves the problems of large vibration, high noise, large power consumption, easy blockage of screen holes of a cleaning screen by rapeseeds and the like of the existing air-screen type cleaning device, and has the advantages of simple system structure and low manufacturing cost.
The technical scheme adopted by the utility model is as follows: the utility model provides a novel rape seed grain cleaning plant, this cleaning plant set up the below at rape harvester's thresher, carry the screw feeder including centrifugal fan, crossflow fan, preceding drum sieve, back drum sieve and seed grain, preceding drum sieve sets up side by side and the certain distance distribution in thresher's discharge gate below with back drum sieve, centrifugal fan sets up the place ahead of drum sieve in the front, and preceding drum sieve and the sifter of back drum sieve below are pressed close to in centrifugal fan's air outlet, crossflow fan sets up the rear at back drum sieve, and crossflow fan inhales the sifter of material mouth near preceding drum sieve and back drum sieve top, seed grain carries the screw feeder to set up the below at preceding drum sieve and back drum sieve.
Preferably, the front cylindrical screen and the rear cylindrical screen are of the same structure and are both composed of steel wire woven meshes and a web plate.
As a preferred scheme, the front cylindrical screen and the rear cylindrical screen are both made by rolling steel wire mesh grids with the diameter of 2-3 mm.
Preferably, the screen surface spacing of the front cylindrical screen and the rear cylindrical screen is 8-15 mm.
As a preferred scheme, both ends of the front cylindrical sieve and the rear cylindrical sieve are rotatably arranged on the frame of the harvester through bearings.
Preferably, an air adjusting plate for adjusting the air direction is arranged at the air flow outlet of the centrifugal fan.
As a preferred scheme, a threshing concave plate is further arranged below a threshing device of the rape harvester, and materials separated from the threshing device slide onto the screen surfaces of the front cylindrical screen and the rear cylindrical screen through the threshing concave plate.
As a preferred scheme, the front cylindrical sieve and the rear cylindrical sieve adopt an outward flow structure.
The utility model has the beneficial effects that:
this scheme is through the structural design of innovation, has optimized cleaning plant's structural composition, adopts the structure setting of the two cylinder sieves of double fan cooperation, utilizes the aerodynamic characteristics difference of corn and debris to clean, has solved current wind sieve formula cleaning plant and has had the vibration big, and the noise is high, and the consumption is big and the rape seed easily blocks up cleaning sieve mesh scheduling problem, and this device has system simple structure, low in manufacturing cost's advantage.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention in the prior art, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the centrifugal fan of the present invention;
fig. 3 is a structural sectional view of a centrifugal fan according to the present invention.
FIG. 4 is a front view of a crossflow blower of the present invention;
FIG. 5 is a sectional view showing the structure of a crossflow blower in accordance with the present invention;
FIG. 6 is a front view of either the front or rear cylindrical screens of the present invention;
FIG. 7 is a cross-sectional view of the construction of either the front or rear cylindrical screens of the present invention;
fig. 8 is a schematic view of the present invention installed in a harvester.
Detailed Description
The utility model is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
It should be noted that: unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" or "the" and similar referents in the description and claims of the present invention are not to be construed as limiting in number, but rather as indicating the presence of at least one. The word "comprise" or "comprises", and the like, indicates that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, but does not exclude other elements or items having the same function.
The detailed structure of the present solution is described below with reference to the accompanying fig. 1-8:
as shown in figure 1, a novel rape seed cleaning device, the cleaning device 21 is arranged below a threshing device 2 of a rape harvester and used for receiving materials discharged by the threshing device 22, the cleaning device 21 mainly comprises a centrifugal fan 1, a cross flow fan 3, a front cylindrical sieve 5, a rear cylindrical sieve 4 and a seed conveying screw auger 6, the front cylindrical sieve 5 and the rear cylindrical sieve 4 are arranged side by side and distributed below a discharge port of the threshing device 2 at a certain distance, the centrifugal fan 1 is arranged in front of the front cylindrical sieve 5, an airflow outlet of the centrifugal fan 1 is close to sieve surfaces below the front cylindrical sieve 5 and the rear cylindrical sieve 4 so as to ensure that airflow blown out by the centrifugal fan 1 can act on the materials discharged by the sieve surfaces below the front cylindrical sieve 5 and the rear cylindrical sieve 4, the cross flow fan 3 is arranged behind the rear cylindrical sieve 4, and a suction port of the cross flow fan 3 is close to the sieve surfaces above the front cylindrical sieve 5 and the rear sieve 4, so as to ensure that the airflow of the cross flow fan 3 can act on the materials on the screen surfaces above the front cylindrical screen 5 and the rear cylindrical screen 4, and the seed grain conveying auger 6 is arranged below the front cylindrical screen 5 and the rear cylindrical screen 4.
It should be noted that: herein, the advancing direction of the head of the harvester is taken as a reference direction, the front direction is the direction close to the head, and the rear direction is the direction close to the tail.
In this embodiment, as shown in fig. 2 and 3, the centrifugal fan 1 mainly comprises an impeller 8 and a casing 7, the centrifugal fan 1 adopts double-sided air intake, an air flow outlet of the centrifugal fan is provided with an air adjusting plate 9 for adjusting the air direction, the length of the air adjusting plate 9 is preferably 100mm, and the adjusting range is ± 60 degrees; centrifugal fan 1 main function is to blow away rape shell and other impurity to obtain clean rape seed grain, when specifically installing: preferably arranged in front of and below the front round screen cylinder 5
In this embodiment, as shown in fig. 4 and 5, the crossflow fan 3 is mainly composed of an impeller 11 and a casing 10, and is installed at the rear upper part of the rear cylindrical screen 4, when the front cylindrical screen 5 and the rear cylindrical screen 4 rotate to clean oilseed rape, the crossflow fan 4 sucks impurities on the screen surfaces above the front cylindrical screen 5 and the rear cylindrical screen 4, and the crossflow fan and the centrifugal fan are matched with each other to make the collected oilseed purer.
In the embodiment, as shown in fig. 6 and 7, the front cylindrical screen 5 and the rear cylindrical screen 4 adopt an outward flow type structure, the structure is simple, the working performance is good, the cleaning system is provided with a front circular screen cylinder and a rear circular screen cylinder, and the cleaning efficiency and the cleaning quality can be improved to the maximum extent under the mutual cooperation of the two circular screen cylinders; the front cylindrical sieve 5 and the rear cylindrical sieve 4 are of the same structure and are formed by a steel wire woven net 12 and a web 13, and the specific scheme of the front cylindrical sieve 5 and the rear cylindrical sieve 4 is that the front cylindrical sieve and the rear cylindrical sieve are formed by rolling the steel wire woven net 12 with the diameter of 2-3mm, preferably 2.5mm, the aperture of the front cylindrical sieve and the aperture of the rear cylindrical sieve are 20mm multiplied by 20mm, the screen surface distance of the front cylindrical sieve and the screen surface distance of the rear cylindrical sieve are 8-15 mm, preferably 10mm, the steel wire woven net 12 is fixed on the web 13 through screws, and two ends of the front cylindrical sieve 5 and the two ends of the rear cylindrical sieve 4 are rotatably arranged on a harvester frame through bearings 14.
In this embodiment, a threshing concave plate is further arranged below the threshing device of the rape harvester, and the material separated from the threshing device slides onto the screen surface above the front cylindrical screen 5 through the threshing concave plate.
The working process of the cleaning system is that the materials falling from the concave plate of the threshing device 2 enter the cleaning system with a certain feeding amount and fall on the front cylindrical sieve 5, the front cylindrical sieve and the rear cylindrical sieve rotate anticlockwise with a certain rotating speed, a layer of fluffy material flow is formed on the sieve surfaces of the front cylindrical sieve and the rear cylindrical sieve along with the rotation of the front cylindrical sieve and the rear cylindrical sieve, grains and partial impurities fall through sieve pores, chaff and light impurities are sucked into the cross flow fan 3 and are discharged out of the machine through the cross flow fan, and the heavy impurities are blown out from the tail part of the cleaning system. The falling seeds are conveyed into a grain tank by a seed conveying auger 6.
The cleaning and sorting device has the working principle that cleaning is carried out by utilizing the difference of aerodynamic characteristics of grains and sundries, during cleaning, materials are stirred by the cylindrical sieve and move backwards along with the sieve surface, in the backward moving process, a large amount of sundries with large floating coefficients are sucked away by the cross flow fan 3 above the sieve surface, grains and partial sundries with small floating coefficients fall down through sieve holes, air flow generated by the centrifugal fan 1 blows the falling materials, the grains fall into the grain conveying auger 6 and are conveyed to a specified position, and the sundries are blown out of the cleaning and sorting device.
As shown in figure 8, the cleaning system is arranged below an axial flow threshing cylinder 22 of the rape combine, when the combine is in operation, firstly a vertical knife 15 cuts off rape stems in a transverse seven-vertical eight direction from a non-cutting side, the rape stems in a cutting area are cut by a reel 16 under a main cutter 17, the cut rape stems with stems are delivered into the axial flow threshing cylinder 22 through a header auger 18 and middle delivery devices 19 and 20, the rape stems are threshed in the cylinder, and the stems of the rape are delivered to the field through a weed discharging wheel. The material (grain, chaff, etc.) falling from the threshing concave plate enters the screen surfaces of the front cylindrical screen 5 and the rear cylindrical screen 4 of the cleaning system 21, the cross flow fan 3 sucks the sundries above the screen surfaces according to the difference of the aerodynamics of the sundries and the grain, the centrifugal fan 1 blows the sundries when falling, the larger sundries are discharged out of the machine from the upper surface of the cylindrical screen, the clean grain falls into the grain conveying auger 6, and the grain conveying auger and the grain elevator convey the grain to the grain bin.
It should be noted that while the utility model has been described in terms of the above-mentioned embodiments, other embodiments are also possible. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model, and it is intended that all such changes and modifications be covered by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a novel rape seed grain cleaning plant, this cleaning plant sets up the below at the thresher of rape harvester which characterized in that: including centrifugal fan, crossflow fan, preceding cylinder sieve, back cylinder sieve and seed grain transport screw feeder, preceding cylinder sieve sets up side by side with back cylinder sieve and interval distribution is in thresher's discharge gate below, centrifugal fan sets up the place ahead of cylinder sieve in the front, and centrifugal fan's air outlet presses close to preceding cylinder sieve and the sifter of back cylinder sieve below, crossflow fan sets up the rear of cylinder sieve in the back, and crossflow fan's material mouth that inhales pastes the sifter of cylinder sieve and back cylinder sieve top before nearly, seed grain transport screw feeder sets up the below of cylinder sieve and back cylinder sieve in the front.
2. The novel rape seed cleaning device as claimed in claim 1, characterized in that: the front cylindrical screen and the rear cylindrical screen are of the same structure and are both composed of steel wire woven meshes and a web plate.
3. The novel rape seed cleaning device as claimed in claim 1, characterized in that: the front cylindrical screen and the rear cylindrical screen are both made by rolling steel wire mesh grids with the diameter of 2-3 mm.
4. The novel rape seed cleaning device as claimed in claim 1, characterized in that: and the screen surface spacing of the front cylindrical screen and the rear cylindrical screen is 8-15 mm.
5. The novel rape seed cleaning device as claimed in claim 1, characterized in that: and two ends of the front cylindrical sieve and the two ends of the rear cylindrical sieve are rotatably arranged on the frame of the harvester through bearings.
6. The novel rape seed cleaning device as claimed in claim 1, characterized in that: and an air adjusting plate for adjusting the air direction is arranged at the air flow outlet of the centrifugal fan.
7. The novel rape seed cleaning device as claimed in claim 1, characterized in that: a threshing concave plate is further arranged below the threshing device of the rape harvester, and materials separated from the threshing device slide onto the screen surfaces of the front cylindrical screen and the rear cylindrical screen through the threshing concave plate.
8. The novel rape seed cleaning device as claimed in any one of claims 1 to 7, which is characterized in that: the front cylindrical screen and the rear cylindrical screen adopt an outward flow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121664440.9U CN215735821U (en) | 2021-07-21 | 2021-07-21 | Novel rape seed grain is cleaned device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121664440.9U CN215735821U (en) | 2021-07-21 | 2021-07-21 | Novel rape seed grain is cleaned device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215735821U true CN215735821U (en) | 2022-02-08 |
Family
ID=80106499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121664440.9U Expired - Fee Related CN215735821U (en) | 2021-07-21 | 2021-07-21 | Novel rape seed grain is cleaned device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215735821U (en) |
-
2021
- 2021-07-21 CN CN202121664440.9U patent/CN215735821U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20220208 |