CN109005937A - A kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function - Google Patents
A kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function Download PDFInfo
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- CN109005937A CN109005937A CN201811196262.4A CN201811196262A CN109005937A CN 109005937 A CN109005937 A CN 109005937A CN 201811196262 A CN201811196262 A CN 201811196262A CN 109005937 A CN109005937 A CN 109005937A
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- threshing
- casing
- fixed plate
- main shaft
- sieve
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- 241000499436 Brassica rapa subsp. pekinensis Species 0.000 title claims abstract description 36
- 235000000536 Brassica rapa subsp pekinensis Nutrition 0.000 title claims abstract description 32
- 235000010149 Brassica rapa subsp chinensis Nutrition 0.000 title claims abstract description 31
- 238000000746 purification Methods 0.000 title claims abstract description 17
- 241000196324 Embryophyta Species 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 238000005304 joining Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 14
- 239000010902 straw Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 241001075561 Fioria Species 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 230000035807 sensation Effects 0.000 description 3
- 235000019615 sensations Nutrition 0.000 description 3
- 235000013311 vegetables Nutrition 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010021135 Hypovitaminosis Diseases 0.000 description 1
- 241000604017 Lysimachia sikokiana Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 208000004880 Polyuria Diseases 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000035619 diuresis Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000035922 thirst Effects 0.000 description 1
Classifications
-
- 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
- A01F11/00—Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals
-
- 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
- A01F12/18—Threshing devices
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The present invention relates to threshing apparatus field, specifically a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function.Including rack and the columnar casing being fixed on the rack, it is equipped with sheller unit in casing, is externally provided with cleaning plant in machine casing；Sheller unit includes the roller and threshing concave board sieve being rotatably arranged in casing, is equipped with the first helical feed blade and multiple threshing elements in the outer rim of roller, is additionally provided with the second helical feed blade in the outer rim of threshing concave board sieve；Cleaning plant includes conveyance conduit and air inlet is connected to the negative-pressure air fan on conveyance conduit, the joining distal ends of one end of conveyance conduit and the second helical feed blade conveying direction, and the other end of conveyance conduit is seed outlet.The present invention is to solve large labor intensity in Chinese cabbage seeds threshing course, low efficiency, takes off not clean, the problems such as percentage of impurity is high.
Description
Technical field
The present invention relates to threshing apparatus field, specifically a kind of vertical axial-flow Chinese cabbage seeds with self-purification function
Thresing machine.
Background technique
Chinese cabbage (scientific name: Brassica rapa pekinensis, different name Brassica campestris
Pekinensis or Brassica pekinensis) it is a kind of vegetables native to China, it is northeast that existing various regions are cultivated extensively
And North China winter, spring main vegetables.Chinese cabbage as vegetables for people in addition to eating, and there are also medical values.Motherland's medicine thinks,
Chinese cabbage sweet in flavor and neutral in nature has the effect of clearing heat and relieving fidgetness, diuresis of quenching one's thirst, tonneau stomach, and hypovitaminosis C can be prevented by often eating Chinese cabbage
Disease.
Due to the Chinese cabbage huge market demand, domestic Chinese cabbage breeding has commerial growing in base.The kind of large area
Plant brings the mechanized harvest problem of Chinese cabbage seed.Chinese cabbage seeds harvest in China's is mainly using manual segmentation harvest at present
Mode first cuts off Chinese cabbage plant, be placed into after drying 3-5 days on the oilcloth of field level, by manually patting, rubbing
Method carry out threshing.Large labor intensity, efficiency of crop are low.The domestic report not yet occurred dedicated for Chinese cabbage seed sheller unit
Road.Certain customers carry out Chinese cabbage seed threshing using rice and wheat thresing machine, there is a problem that taking off that not clean, percentage of impurity is high, right
When the Chinese cabbage seed of multiple kinds carries out threshing, there is clear kind difficult, easy miscegenation technical problems.
Summary of the invention
The present invention is intended to provide a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function, to solve Chinese cabbage
Large labor intensity during seed shatter, low efficiency take off not clean, the problems such as difficulty please plant, and percentage of impurity is high.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows: a kind of vertical shaft with self-purification function
Chinese cabbage seeds thresing machine is flowed, including rack and the columnar casing being fixed on the rack, the central axis edge of casing
Vertical direction distribution, is equipped with sheller unit in the inner cavity of casing on the rack, is equipped on the rack positioned at the outside of casing
The cleaning plant that seed for deviating from sheller unit is exported and cleaned；Sheller unit includes from inside to outside sequentially coaxially
The roller and threshing concave board sieve being rotatably provided in casing are equipped with the first helical feed blade and multiple de- in the outer rim of roller
Grain element, in roller rotation process can by the first helical feed blade by threshing object by be located at casing lower end to threshing object
Import is conveyed towards the straw outlet direction for being located at casing upper end, and during transportation can be by threshing element and threshing concave board sieve
Inner edge cooperation carries out threshing, be equipped on threshing concave board sieve for abjection seed and it is light it is miscellaneous by between roller and threshing concave board sieve into
Enter the sieve pore between threshing concave board sieve and casing, the second helical feed blade is additionally provided in the outer rim of threshing concave board sieve, in threshing
It can be by the second helical feed blade by seed between threshing concave board sieve and casing and light miscellaneous defeated in concave grate rotation process
It send into cleaning plant；Cleaning plant includes conveyance conduit and air inlet is connected to the negative-pressure air fan on conveyance conduit, delivery pipe
The joining distal ends of the one end in road and the second helical feed blade conveying direction, the other end of conveyance conduit are seed outlet.
Preferably, rack include more root posts and be from top to bottom sequentially fixed on more root posts top fixing plate, in
Portion's fixed plate and bottom fixed board, casing are arranged on the rack between middle part fixed plate and bottom fixed board；Casing
Top is fixedly connected with middle part fixed plate, straw outlet be arranged between middle part fixed plate and top fixing plate, the bottom end of casing with
It is spaced apart and is equipped with to threshing object import between bottom fixed board.
Preferably, roller include both ends be rotatably arranged on top fixing plate and bottom fixed board respectively main shaft, in ring
Shape be evenly spaced on main shaft periphery more rooted tooth bars and be fixed on main shaft position close to main shaft both ends and for solid
The spoke disk of fixed more rooted tooth bars.
Preferably, threshing element is bar tooth, and one end of threshing element is used to cooperate threshing with the inner edge of threshing concave board sieve, take off
The other end of grain element is with screw thread and for being coupled with the threaded hole being provided on ratch.
Preferably, the first helical feed blade is fixed on more rooted tooth bars opposite to each other in the outer rim of main shaft with welding manner.
Preferably, it is equipped in the side for being located at spoke disk towards main shaft upper end above main shaft for by the material in sheller unit
Towards the first spiral stream guidance head of straw outlet direction water conservancy diversion, it is equipped with and uses in the side for being located at spoke disk towards main shaft lower end below main shaft
In the second spiral stream guidance head in sheller unit will be imported to threshing object to threshing object import.
Preferably, it is axially fixed with fan leaf along main shaft on main shaft, between two spoke disks and is located at more rooted tooth bars
Position between main shaft is connected with wind gathering cylinder, the ventilation hole equipped with multiple tapers is spaced apart on wind gathering cylinder, and divulge information
The big end in hole is towards major axes orientation, and the small end of ventilation hole is towards threshing concave board sieve direction.
Preferably, threshing concave board sieve includes the first annular grid being rotatably arranged in the through-hole being opened in the fixed plate of middle part
Lattice fixed plate, corresponding the second annular grid fixed plate being distributed in below first annular grid fixed plate, be connected to it is first annular
Multiple strip Turbogrid plates between grid fixed plate and the second annular grid fixed plate inner edge and it is connected to first annular grid
Drum sieve between in the middle part of fixed plate and the second annular grid fixed plate；First annular grid fixed plate and the second annular grid are solid
The inner edge of fixed board offers the rectangle bayonet for fixing strip Turbogrid plates respectively, and the side of strip Turbogrid plates towards main shaft is used for
Cooperate threshing with threshing element, multiple perforation are offered on multiple strip Turbogrid plates, wears to be fixed in all perforation and is in
Simultaneously grid screen is collectively formed by steel wire and strip Turbogrid plates in the steel wire of spiral distribution, and the sieve pore is provided on drum sieve.
Preferably, the second helical feed blade includes being distributed in drum sieve outer rim and the oppositely oriented flexible material of two sections of uses
Expect the blade of production, the outer rim of two sections of blades with casing inner wall tight fit, open by the engaging portion on casing positioned at two sections of blades
Equipped with the material guide port connecting with conveyance conduit, seed outlet is obliquely installed downward on conveyance conduit.
Preferably, bearing-type swivel becket is equipped between the through-hole in first annular grid fixed plate and middle part fixed plate,
It is equipped with the tooth sprocket for connecting with driving chain in the outer rim of the second annular grid fixed plate, is equipped with and is used in the upper end of main shaft
The belt pulley being connect with driving belt.
Beneficial effect
In the present invention, when Chinese cabbage plant through the second spiral stream guidance head by acting on, material is vertical when threshing object import is fed
Threshing and from the bottom to top helical feed are carried out under the action of axial threshing cylinder and threshing concave board sieve.At this point, due to threshing cylinder
The guiding role of the first external helical feed blade, the device axial direction conveying capacity are stronger；Since threshing concave board sieve is for rolling
The cornerite of cylinder is 360 °, and the ability of device threshing separation is also significantly better than traditional horizontal and longitudinal axial-flow type roller.
In a preferred embodiment, when threshing, the wind that the fan leaf on main shaft generates is through the ventilation hole on wind gathering cylinder
It enters in threshing space, aperture is densely covered on drum sieve, under wind-force and centrifugal force effect, so that except seed and a small amount of miscellaneous
Stalk except remaining etc. can not pass through, and effectively reduce percentage of impurity.Ventilation hole uses the conical design of outer narrow inner width, can play
Significantly collect effect, passes through sieve pore with gently miscellaneous conducive to seed.And it is flowed in the space in drum sieve with casing in seed
When can make seed and miscellaneous remaining separation, play the role of certain clean；Meanwhile the second spiral transferring on drum sieve symmetrically
It send blade that the seed concentration in casing is transported to middle part, cleaning plant is entered in the middle part of casing, the crossing current through cleaning plant is negative
Pressure fan cleans again, further decreases percentage of impurity.Second helical feed blade is made of flexible material, is greatly reduced pair
The damage ratio of seed, and because of the gap very little between screw blade and casing, whole discharges of seed may be implemented, to solve
Existing sheller unit is clear kind difficult, easy miscegenation problem.
Detailed description of the invention
Fig. 1 is longitudinal profile structure schematic of the invention；
Fig. 2 is schematic perspective view of the invention；
Fig. 3 is the structural schematic diagram of roller part of the invention；
Fig. 4 is the structural schematic diagram of de- material sieve plate part of the invention；
Fig. 5 is the structural schematic diagram of fan leaf part of the invention；
Marked in the figure: 1, seed outlet, 2, negative-pressure air fan, 3, conveyance conduit, 4, wind gathering cylinder, 5, ventilation hole, 6, belt pulley,
7, the first spiral stream guidance head, 8, spoke disk, 9, straw outlet, 10, top fixing plate, 11, column, 12, middle part fixed plate, 13, casing,
14, the second helical feed blade, 15, drum sieve, 16, strip Turbogrid plates, the 17, first helical feed blade, 18, threshing element,
19, ratch, 20, main shaft, 21, fan leaf, 22, to threshing object import, 23, bottom fixed board, the 24, second spiral stream guidance head, 25,
Tooth sprocket, 26, bearing-type swivel becket, 27, first annular grid fixed plate, 28, steel wire, 29, sieve pore, the 30, second annular grid
Fixed plate.
Specific embodiment
As shown in Figures 1 to 4, a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function of the invention, packet
Including rack and the columnar casing 13 being arranged on the rack.Rack includes the four columns 11 being distributed along the vertical direction and Yan Shui
Flat directional spreding and that the top fixing plate 10 in four columns 11, middle part fixed plate 12 and bottom are fixed on by welding manner is solid
Fixed board 23.Top fixing plate 10 is fixed on the top of four columns 11, and bottom fixed board 23 is fixed on close in four columns 11
The position of bottom end, middle part fixed plate 12 are fixed on the position that middle part is on the upper side in four columns 11, and in middle part fixed plate 12
Equipped with through-hole.The open at both ends of casing 13, center axis thereof are distributed in middle part fixed plate 12 and bottom fixed board along the vertical direction
Between 23.It is spaced apart between 13 bottom end of casing and bottom fixed board 23, and is equipped with and 13 bottom of casing on bottom fixed board 23
The connection of portion open end to threshing object import 22, after threshing object by after threshing object import 22 enters casing 13, by machine is arranged in
Sheller unit in 13 inner cavity of shell be delivered up and threshing.The open top end of casing 13 is fixedly connected on middle part fixed plate
It is overlapped on 12 bottom surface and with through-hole, big after threshing object completes threshing by sheller unit in casing 13 miscellaneous is consolidated by middle part
Through-hole on fixed board 12 exports casing 13, then the straw outlet 9 by being arranged between middle part fixed plate 12 and top fixing plate 10
Discharge.It is exported on the rack positioned at the outside of casing 13 equipped with the seed for deviating from sheller unit and that cleans cleans
Device and the bracket for being used to support cleaning plant.Seed and the light miscellaneous entrance similar with seed volume are clear after sheller unit
Screening device is further cleaned, and pure seed is obtained.
Sheller unit includes the roller and threshing concave board sieve being sequentially coaxially arranged in casing 13 from inside to outside.
As shown in figure 3, the roller in the present embodiment include the main shaft 20 being distributed vertically, the roller being fixed on main shaft 20,
The multiple threshing elements 18 being arranged on roller and the first helical feed blade 17 being arranged on roller.Above and below main shaft 20
Both ends are rotatably arranged on respectively in the axle bed for being distributed in 23 center of top fixing plate 10 and bottom fixed board, main shaft 20 it is upper
End is connected with belt pulley 6 after stretching out top fixing plate 10, can be connected to by motor and belt driving spindle 20 roller rotation with into
Row threshing.
Roller include equally be evenly spaced on along the vertical direction and annularly six roots of sensation ratch 19 in 20 periphery of main shaft with
And be fixed on 20 both ends of main shaft and be used to fix two pieces of spoke disks 8 to play a supporting role with the both ends of six roots of sensation ratch 19 respectively,
The end of six roots of sensation ratch 19 is fixedly connected with the outer rim of corresponding spoke disk 8 by welding manner respectively.
Threshing element 18 in the present embodiment is bar tooth, and one end of bar tooth is used to treat threshing object with threshing concave board sieve cooperation
Extruding and kneading threshing is carried out, the other end is equipped with screw thread and is fitted in the threaded hole being opened on ratch 19, can pass through tune
Whole bar tooth spiral enters the depth in threaded hole to adjust the spacing between 18 working end of threshing element and threshing concave board sieve, and then adjusts
Cylinder-concave clearance is worked with the Chinese cabbage seeds threshing for adapting to different batches.
First helical feed blade 17 is fixed on more rooted tooth bars 19 opposite to each other in the outer rim of main shaft 20, both ends with welding manner
It is separately connected to threshing object import 22 and straw outlet 9.In threshing course, motor drive main shaft 20, roller, threshing element 18 with
And first helical feed blade 17 rotate synchronously, the material to threshing object import 22 will be located at towards Lysimachia sikokiana by helical feed blade
The conveying of 9 directions of mouth, material constantly completes threshing by threshing element 18 and threshing concave board sieve friction and Extrusion during transportation, complete
It miscellaneous is discharged by straw outlet 9 at stalk after threshing etc. is big.In the present embodiment, top fixing plate 10 is located on main shaft 20 and is corresponded to
Spoke disk 8 between be equipped with the first spiral stream guidance head 7, big miscellaneous water conservancy diversion in casing 13 can be assisted to straw outlet 9；It is upper in main shaft 20
It is equipped with the second spiral stream guidance head 24 between bottom fixed board 23 and corresponding spoke disk 8, can assist to 22 position of threshing object import
Material enter in casing 13 and conveyed by the first helical feed blade 17.
As shown in figure 4, the threshing concave board sieve in the present embodiment includes the tubular grid for cooperating threshing with threshing element 18
Diagrid and the drum sieve 15 for being set in grid screen periphery.Grid screen includes being rotatably arranged on to open up by bearing-type swivel becket 26
First annular grid fixed plate 27, correspondence in the through-hole in middle part fixed plate 12 are distributed in first annular grid fixed plate 27
It underface and the second annular grid fixed plate 30 to coincide with first annular 27 vertical projection of grid fixed plate and is connected to
Multiple strip Turbogrid plates 16 between first annular grid fixed plate 27 and the second annular 30 inner edge of grid fixed plate.Strip grid
Plate 16 is rectangle, and both ends, which are separately fixed at, to be opened in first annular grid fixed plate 27 and the second annular grid fixed plate 30
In rectangle bayonet on edge.Strip Turbogrid plates 16 are used to cooperate threshing with threshing element 18 towards the side of main shaft 20, multiple
It is equally spaced along length direction equipped with multiple perforation on strip Turbogrid plates 16, is worn in all perforation and be fixed with one
Simultaneously grid screen is collectively formed by steel wire 28 and strip Turbogrid plates 16 in the steel wire 28 that is spirally distributed.In threshing course, threshing
The working end of element 18 cooperates strip Turbogrid plates 16 that will repeatedly extrude rubbing to threshing object to complete threshing during rotation.?
The outer rim of second annular grid fixed plate 30 is equipped with tooth sprocket 25, can drive threshing concave board sieve rotation by motor and transmission chain.
The both ends of drum sieve 15 are respectively fixedly connected in first annular grid fixed plate 27 and the second annular grid fixed plate
30 middle part.Be spaced apart on drum sieve 15 equipped with multiple sizes only for seed and with similar light miscellaneous from roller and threshing of seed
The sieve pore 29 for entering between threshing concave board sieve and casing 13 between concave grate, and then being cleaned into cleaning plant.In cylinder
The outer rim of sieve 15, which is equipped with, to be rotated with drum sieve 15 with by seed and light miscellaneous the second helical feed blade 14 for being sent into cleaning plant.The
Two helical feed blades 14 include being distributed in 15 outer rim of drum sieve and the oppositely oriented two sections blades using flexible material production,
Two sections of blades are distributed with the central symmetry of 15 length direction of drum sieve.The outer rim of two sections of blades with 13 inner wall tight fit of casing,
Engaging portion on casing 13 positioned at two sections of blades offers the material guide port connecting with conveyance conduit 3.
Cleaning plant includes conveyance conduit 3 and air inlet is connected to the negative-pressure air fan 2 on conveyance conduit 3, conveyance conduit 3
One end is connect with the joining distal ends of 14 conveying direction of the second helical feed blade, that is, above-mentioned material guide port, the other end of conveyance conduit 3
For seed outlet 1, and conveyance conduit 3 is tilted towards the direction of seed outlet 1.
Threshing and watering and separation procedure of the invention are as follows: to threshing object by entering in casing 13 to threshing object import 22, by first
Helical feed blade 17 is conveyed towards 9 direction of straw outlet.The working end of threshing element 18 and strip Turbogrid plates during transportation
16 cooperations treat threshing object and are adequately rubbed and squeezed, so that seed is deviate from.Stalk after abjection seed etc. is miscellaneous greatly to arrange
Careless mouth 9 is discharged；It is miscellaneous in disconnected fringe etc. to be fallen under the action of the centrifugal force by the sieve pore 29 on drum sieve 15 after grid screen
Enter 13 bottom of casing and is taken up the threshing for carrying out a new round by the first helical feed blade 17 again；Seed and it is small it is miscellaneous through sieve pore 29 into
Enter between 13 inner wall of casing and threshing concave board sieve and by the second helical feed blade 14 and deliver into cleaning plant, with conveying
Gently miscellaneous to be sucked out by negative-pressure air fan 2 during slipping under pipeline 3, pure seed is discharged by seed outlet 1 and unified collection.Threshing
Roller rotation direction is opposite with the rotation direction of threshing concave board sieve in the process, and drum rotation speed is 800r/min or so, is greater than
The revolving speed of threshing concave board sieve 200r/min or so.Threshing element 18 on roller when purpose is to increase material in threshing space
To its action time, threshing performance, separation rate are improved.
In the present embodiment, in order to make seed and the light miscellaneous sieve pore 29 that quickly passes through of abjection enter the second helical feed blade 14
Conveying range spy on main shaft 20 along 20 axial restraint of main shaft be equipped with fan leaf 21, between two spoke disks 8 and be located at more
Position between ratch 19 and main shaft 20 is connected with wind gathering cylinder 4, and the ventilation equipped with multiple tapers is spaced apart on wind gathering cylinder 4
Hole 5, and the big end of ventilation hole 5 is towards 20 direction of main shaft, the small end of ventilation hole 5 is towards threshing concave board sieve direction.It is logical by taper
By fan leaf 21, with the wind generated in 20 rotation process of main shaft, and with the wind after converging, centrifugal force effect adds the convergence of air holes 5
Fast seed and light miscellaneous across sieve pore 29, the damage for avoiding seed from being generated in threshing space by excessive extrusion friction.
Claims (10)
1. a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function, it is characterised in that: set including rack and fixation
Columnar casing (13) on the rack is set, the central axis of casing (13) is distributed along the vertical direction, is located at machine on the rack
Sheller unit is equipped in the inner cavity of shell (13), the outside positioned at casing (13) is equipped with for deviating from sheller unit on the rack
The cleaning plant that seed is exported and cleaned；Sheller unit includes sequentially coaxially being rotatably provided in casing (13) from inside to outside
In roller and threshing concave board sieve, roller outer rim be equipped with the first helical feed blade (17) and multiple threshing elements (18),
In roller rotation process can by the first helical feed blade (17) will to threshing object by be located at casing (13) lower end to threshing
Object import (22) is conveyed towards straw outlet (9) direction for being located at casing (13) upper end, and during transportation can be by threshing element
(18) threshing is carried out with the cooperation of the inner edge of threshing concave board sieve, is equipped on threshing concave board sieve for the seed of abjection and light miscellaneous by roller
Enter the sieve pore (29) between threshing concave board sieve and casing (13) between threshing concave board sieve, is also set in the outer rim of threshing concave board sieve
There is the second helical feed blade (14), can will be located at by the second helical feed blade (14) in threshing concave board sieve rotation process de-
Seed between grain concave grate and casing (13) is delivered in cleaning plant with gently miscellaneous；Cleaning plant include conveyance conduit (3) and
Air inlet is connected to the negative-pressure air fan (2) on conveyance conduit (3), one end of conveyance conduit (3) and the second helical feed blade
(14) joining distal ends of conveying direction, the other end of conveyance conduit (3) are seed outlet (1).
2. a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function according to claim 1, feature exist
In the top fixing plate (10) that: rack includes more root posts (11) and is from top to bottom sequentially fixed on more root posts (11), in
Portion's fixed plate (12) and bottom fixed board (23), casing (13) are arranged on the rack solid positioned at middle part fixed plate (12) and bottom
Between fixed board (23)；The top of casing (13) is fixedly connected with middle part fixed plate (12), and straw outlet (9) is arranged in middle part fixed plate
(12) it is spaced apart and is equipped with to de- between top fixing plate (10), between the bottom end and bottom fixed board (23) of casing (13)
Grain object import (22).
3. a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function according to claim 2, feature exist
In: roller include both ends be rotatably arranged on top fixing plate (10) and bottom fixed board (23) respectively main shaft (20), in ring
Shape be evenly spaced on main shaft (20) periphery more rooted tooth bars (19) and be fixed on main shaft (20) close to main shaft (20) two
The position at end and the spoke disk (8) for being used to fix more rooted tooth bars (19).
4. a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function according to claim 3, feature exist
In: threshing element (18) is bar tooth, and one end of threshing element (18) is used to cooperate threshing with the inner edge of threshing concave board sieve, threshing member
The other end of part (18) is with screw thread and for being coupled with the threaded hole being provided on ratch (19).
5. a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function according to claim 3, feature exist
In: the first helical feed blade (17) is fixed on more rooted tooth bars (19) opposite to each other in the outer rim of main shaft (20) with welding manner.
6. a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function according to claim 3, feature exist
In: it is equipped in the side for being located at spoke disk (8) towards main shaft (20) upper end above main shaft (20) for by the material in sheller unit
Towards the first spiral stream guidance head (7) of straw outlet (9) direction water conservancy diversion, it is being located at main shaft (20) lower section spoke disk (8) towards main shaft
(20) side of lower end is equipped with for that will lead to the second spiral of threshing object import (22) imported in sheller unit to threshing object
It flows head (24).
7. a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function according to claim 3, feature exist
In: along main shaft (20) axial restraint equipped with fan leaf (21) on main shaft (20), between two spoke disks (8) and it is located at more rooted teeth
Position between bar (19) and main shaft (20) is connected with wind gathering cylinder (4), is spaced apart on wind gathering cylinder (4) and is equipped with multiple tapers
Ventilation hole (5), and the big end of ventilation hole (5) is towards main shaft (20) direction, and the small end of ventilation hole (5) is towards threshing concave board sieve side
To.
8. a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function according to claim 2, feature exist
In: threshing concave board sieve includes the first annular grid fixed plate being rotatably arranged in the through-hole being opened in middle part fixed plate (12)
(27), it corresponds to the annular grid fixed plate (30) of second be distributed in below first annular grid fixed plate (27), be connected to first
Multiple strip Turbogrid plates (16) and company between annular grid fixed plate (27) and second annular grid fixed plate (30) inner edge
Connect the drum sieve (15) between in the middle part of first annular grid fixed plate (27) and the second annular grid fixed plate (30)；First ring
The inner edge of shape grid fixed plate (27) and the second annular grid fixed plate (30) is offered respectively for fixing strip Turbogrid plates
(16) rectangle bayonet, strip Turbogrid plates (16) are used to cooperate threshing with threshing element (18) towards the side of main shaft (20),
Multiple perforation are offered on multiple strip Turbogrid plates (16), the steel wire for being fixed with and being spirally distributed is worn in all perforation
(28) and by steel wire (28) and strip Turbogrid plates (16) grid screen is collectively formed, the sieve pore (29) is provided with drum sieve (15)
On.
9. a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function according to claim 8, feature exist
In: the second helical feed blade (14) includes being distributed in drum sieve (15) outer rim and two sections of oppositely oriented use flexible material systems
The blade of work, the outer rim of two sections of blades with casing (13) inner wall tight fit, are located at the combination of two sections of blades on casing (13)
Portion offers the material guide port connecting with conveyance conduit (3), and seed outlet (1) is obliquely installed downward on conveyance conduit (3).
10. a kind of vertical axial-flow Chinese cabbage seeds thresing machine with self-purification function according to claim 8, feature exist
In: between the through-hole on first annular grid fixed plate (27) and middle part fixed plate (12) be equipped with bearing-type swivel becket (26),
It is equipped with the tooth sprocket (25) for connecting with driving chain in the outer rim of the second annular grid fixed plate (30), in main shaft (20)
Upper end is equipped with the belt pulley (6) for connecting with driving belt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811196262.4A CN109005937B (en) | 2018-10-15 | 2018-10-15 | Vertical axial flow Chinese cabbage seed thresher with self-cleaning function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811196262.4A CN109005937B (en) | 2018-10-15 | 2018-10-15 | Vertical axial flow Chinese cabbage seed thresher with self-cleaning function |
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| CN109005937B CN109005937B (en) | 2024-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113973585A (en) * | 2021-09-24 | 2022-01-28 | 江苏大学 | Threshing and cleaning device integrating inertia and electrostatic field and combine harvester |
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| Publication number | Publication date |
|---|---|
| CN109005937B (en) | 2024-02-09 |
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