CN203136576U - Grain separator - Google Patents
Grain separator Download PDFInfo
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- CN203136576U CN203136576U CN 201320130977 CN201320130977U CN203136576U CN 203136576 U CN203136576 U CN 203136576U CN 201320130977 CN201320130977 CN 201320130977 CN 201320130977 U CN201320130977 U CN 201320130977U CN 203136576 U CN203136576 U CN 203136576U
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- screen drum
- cereal
- guiding gutter
- grain separator
- grain
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Abstract
The utility model relates to the field of agricultural machinery, in particular to a grain separator. The grain separator comprises a threshing device, a diversion trench and a filter device. A screen drum capable of rotating along the axis of the screen drum is arranged in the filter device, and the axis of the screen drum is parallel to a horizontal plane. The diameters of cross sections of the screen drum in a radial direction are gradually reduced from one end to the other end, a feeding port is formed in the end with a smaller aperture, and a discharge port is formed in the end with a big aperture. A plurality of discharge holes are formed in the surface of the screen drum. A discharge hole is formed in the threshing device, the diversion trench is arranged below the discharge hole, and the opening of the diversion trench faces the discharge hole. One end of the diversion trench is communicated with the feeding port, and the grain separator can improve the filter speed of grain.
Description
Technical field
The utility model relates to agricultural machinery field, particularly grain separator.
Background technology
The high-efficiency large grain separator is arranged at present by a large amount of being applied in the agricultural production, comprise grain threshing tube and the sieve that is used for the cereal grain is separated with the assorted material that is entrained in wherein.Under the drive of motor or diesel engine, sieve moves back and forth at horizontal plane, promotes cereal grain and assorted material to accelerate to fall.
The problem that exists: existing sieve is horizontal screen, and the cereal grain and the assorted material that come out from the grain threshing tube can constantly drop on the sieve.When the amount that breaks away from the cereal of tube outflow and the material of mixing from cereal is very big, when first group of amount that drops on the sieve also do not filtered fully, second group is dropped on the sieve again, the rest may be inferred, each constantly accumulation can cover cereal and assorted material more and more on the sieve, obducent overall weight can increase the weight of above the sieve, under the situation that the reciprocating speed of sieve can not change, the rate of filtration of cereal can slow down relatively.
The utility model content
The grain separator that the utility model provides can address the above problem.
The technical solution of the utility model is achieved in that grain separator, comprising: sheller unit, guiding gutter and filter;
Being provided with in the described filter can be along the screen drum of self axis rotation, and the axis of described screen drum is parallel with horizontal plane; The diameter of described screen drum in the cross section of radial direction passes through and dwindles gradually, and the less end of bore is provided with feeding mouth, and the end that bore is bigger is provided with discharging opening; The surface of described screen drum is provided with a plurality of blanking holes;
Be provided with discharge gate in the described sheller unit, described guiding gutter is positioned at the below of described discharge gate, and its opening is towards described discharge gate;
One end of described guiding gutter and described feeding mouth are communicated with.
Compared with prior art; grain separator provided by the utility model; existing horizontal screen is modified into screen drum; because when arranging; the central axis of screen drum is parallel with horizontal plane; that is to say that can to produce certain height between the sidewall of the end that the sidewall of the end that the bore of screen drum is less and bore are bigger poor; cereal can be from feeding mouth along screen drum sidewall to lower slider; discharging opening is located at the bigger end of bore of screen drum simultaneously; cereal can be accelerated discharge velocity along the sidewall with inclination angle to lower slider, just can accelerate the rate of filtration of cereal.
And the filtration of screen drum is to filter by a plurality of blanking holes that the surface arranges, such as, blanking hole can only allow cereal grain and the material littler than cereal grain pass through, and the material bigger than cereal grain is left in the screen drum, finally discharges by discharging opening.Screen drum is in the process around the central axis rotation simultaneously, and the surface of whole screen drum is the filtration compass screen surface, and the area of sieves increases, and has accelerated the rate of filtration.
Simultaneously, between sheller unit and screen drum, be provided with guiding gutter.When cereal falls from the discharge gate of sheller unit, at first fall into guiding gutter, because an end of described guiding gutter and described feeding mouth are communicated with, described guiding gutter has certain inclination angle, can ensure cereal is transported in the screen drum swimmingly, can reduce the issuable solid accumulation at the discharge gate place of release unit like this.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in below describing only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other embodiment and accompanying drawing thereof according to these accompanying drawing illustrated embodiments.
The structural representation of the grain separator that Fig. 1 provides for the utility model;
The structural representation of air port multiple damper in the grain separator that Fig. 2 provides for the utility model;
The structural representation of coaxial three screen drums in the same way in the grain separator that Fig. 3 provides for the utility model;
The grain separator two ends that Fig. 4 provides for the utility model are provided with the structural representation of the screen drum of gear;
The schematic cross-section of three incorgruous screen drums with one heart in the grain separator that Fig. 5 provides for the utility model;
The structural representation of steel brush in the grain separator that Fig. 6 provides for the utility model;
In the grain separator that Fig. 7 provides for the utility model with the structural representation of the back shaft of three screen drum both sides of mind-set;
1. sheller unit, 2. hair-dryer, 3. guiding gutter, 4. screen drum, 5. feeding mouth, 6. discharging opening, 7. blanking hole, 8. central principal axis, 9. steel brush, 10. back shaft, 11. gear grooveds, 12. baffle plates, 13. charging aperture, 14. augers, 15. gearboxes, 16. cereal axle removers, 17. driven wheels.
Embodiment
Below with reference to accompanying drawing the technical scheme of each embodiment of the utility model is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the utility model is protected.
Embodiment 1: as shown in Figure 1
Grain separator comprises: sheller unit 1, guiding gutter 3 and filter;
Being provided with in the described filter can be along the screen drum 4 of self axis rotation, and the axis of described screen drum 4 is parallel with horizontal plane; The diameter of described screen drum 4 in the cross section of radial direction passes through and dwindles gradually, and the less end of bore is provided with feeding mouth 5, and the end that bore is bigger is provided with discharging opening 6; The surface of described screen drum 4 is provided with a plurality of blanking holes 7;
Be provided with discharge gate in the described sheller unit 1, described guiding gutter 3 is positioned at the below of described discharge gate, and guiding gutter has certain inclination angle, and its opening is towards described discharge gate;
One end of described guiding gutter 3 and described feeding mouth 5 are communicated with.
Compared with prior art; grain separator provided by the utility model; existing horizontal screen is modified into screen drum 4 cylindraceous; because when arranging; the central axis of screen drum 4 is parallel with horizontal plane; that is to say that can to produce certain height between the sidewall of the end that the sidewall of the end that the bore of screen drum 4 is less and bore are bigger poor; cereal can be from feeding mouth 5 along screen drum 4 sidewall slide automatically downwards; discharging opening 6 is located at the bigger end of bore of screen drum 4 simultaneously; can accelerate discharge velocity, just can accelerate the rate of filtration of cereal.
And the filtration of screen drum 4 is to filter by a plurality of blanking holes 7 that the surface arranges, such as, blanking hole 7 can only allow cereal grain and the material littler than cereal grain pass through, and the material bigger than cereal grain is left in the screen drum 4, finally discharges by discharging opening 6.Screen drum 4 is in the process around the central axis rotation simultaneously, and the surface of whole screen drum 4 is the filtration compass screen surface, and the area of sieves increases, and has accelerated the rate of filtration.
Simultaneously, between sheller unit 1 and screen drum 4, be provided with a guiding gutter 3 with inclination angle.When cereal falls from the discharge gate of sheller unit 1, at first fall into guiding gutter 3, because an end of described guiding gutter 3 and described feeding mouth 5 are communicated with, described guiding gutter 3 is transported to cereal in the screen drum 4, can reduce the issuable solid accumulation at the discharge gate place of release unit like this.
Embodiment 2: as Fig. 2-shown in Figure 7
Grain separator comprises: sheller unit 1, guiding gutter 3 and filter;
Being provided with in the described filter can be along the screen drum 4 of self axis rotation, and the axis of described screen drum 4 is parallel with horizontal plane; The diameter of described screen drum 4 in the cross section of radial direction passes through and dwindles gradually, and the less end of bore is provided with feeding mouth 5, and the end that bore is bigger is provided with discharging opening 6; The surface of described screen drum 4 is provided with a plurality of blanking holes 7;
Be provided with discharge gate in the described sheller unit 1, described guiding gutter 3 is positioned at the below of described discharge gate, and its opening is towards described discharge gate;
One end of described guiding gutter 3 and described feeding mouth 5 are communicated with.
The grain separator that present embodiment provides; existing horizontal screen is modified into screen drum 4 cylindraceous; when arranging; the central axis of screen drum 4 is parallel with horizontal plane; two ends at screen drum 4 are provided with bracing frame; screen drum 4, rotates round self central axis under the effect of drive unit by bracing frame.It is poor to produce certain height between the sidewall of the end that the sidewall of the end that the bore of while screen drum 4 is less and bore are bigger, cereal can be from feeding mouth 5 along screen drum 4 sidewall to lower slider, discharging opening 6 is located at the bigger end of bore of screen drum 4 simultaneously, can accelerate discharge velocity, just can accelerate the rate of filtration of cereal.
And the filtration of screen drum 4 is to filter by a plurality of blanking holes 7 that the surface arranges, such as, blanking hole 7 can only allow cereal grain and the material littler than cereal grain pass through, and the material bigger than cereal grain is left in the screen drum 4, finally discharges by discharging opening 6.Screen drum 4 is in the process around the central axis rotation simultaneously, and the surface of whole screen drum 4 is the filtration compass screen surface, and the area of sieves increases, and has accelerated the rate of filtration.
Simultaneously, between sheller unit 1 and screen drum 4, be provided with a guiding gutter 3 with inclination angle.When cereal falls from the discharge gate of sheller unit 1, at first fall into guiding gutter 3, because an end of described guiding gutter 3 and described feeding mouth 5 are communicated with, described guiding gutter 3 is transported to cereal in the screen drum 4, can reduce the issuable solid accumulation at the discharge gate place of release unit like this.
In order to accelerate by guiding gutter 3 cereal to be transported to speed in the screen drum 4,3 one-tenth inclinations angle of described guiding gutter can be arranged, the cereal that fall in the guiding gutter 3 can flow into screen drum 4 rapidly automatically.So, can arrange the bottom land of described guiding gutter 3 and the outer wall of described screen drum 4 are attached mutually; Described guiding gutter 3 extends in the described feeding mouth 5 near an end of described feeding mouth 5.
Be provided with threshing cylinder in the sheller unit 1 that provides in the present embodiment; the surface of threshing cylinder is provided with a plurality of relief holes; when arranging; the central shaft of sheller unit 1 is parallel with horizontal plane; threshing cylinder is in along with the central shaft rotating process, and the cereal grain that is taken off can be fallen in the guiding gutter 3 that is located at its below by the relief hole on threshing cylinder surface.
For cereal and other the assorted material that wherein mixes being separated step by step, the described screen drum 4 of setting comprises multilayer, the described screen drum 4 coaxial settings of multilayer, and be provided with certain interval between the sidewall of adjacent two-layer described screen drum 4;
The less end of the bore of the described screen drum 4 of innermost layer is provided with described feeding mouth 5;
Be equipped with the identical a plurality of described blanking hole 7 of size on the sidewall of every layer of described screen drum 4; Varying in size of the described blanking hole 7 that arranges on the described screen drum 4 of different layers.
Operation experiments according to reality is learnt, preferably, described screen drum 4 can be set to three layers, and three layers of described screen drum 4 are fixing by a central principal axis 8;
From inside to outside, the aperture of the described blanking hole 7 of the surface of three layers of described screen drum 4 setting reduces gradually.
Three layers of described screen drum 4 rotate under the effect of central principal axis 8 with one heart in the same way, filter.Like this, in the process of filtering, blanking hole 7 maximums that arrange on the screen drum 4 of the most close central principal axis 8, cereal grain and the assorted material littler than cereal grain can pass through, but, there is not pulverized cereal axle not pass through in the threshing course, can only concentrate by the discharging opening 6 of this layer end and discharge.Enter the cereal grain in middle level and than in the little assorted material of cereal grain, the blanking hole 7 that can arrange by middle laminar surface than the little assorted material of cereal grain, but the cereal grain can not pass through, and can only concentrate by the terminal discharging opening that arranges 6 of this layer and discharge.Falling into the assorted material of outermost screen drum 4, because also mix pulverized cereal grain and the less cereal grain of immature particle diameter arranged, and the thing of grogs and grains of sand and so on, so, blanking hole 7 on the outermost screen drum 4 can only allow grogs and the grains of sand pass through, the less cereal grain of pulverized cereal grain and immature particle diameter can not pass through, and like this, these useful assorted material can be recovered utilization.
For cereal falls into guiding gutter 3 from sheller unit 1, enter before the screen drum 4, can at first remove the assorted material of shell lighter in the cereal grain or other broken leaf and so on, can between described sheller unit 1 and described guiding gutter 3 hair-dryer 2 be set, the wind path of described hair-dryer 2 and cereal grain fall into the path that described guiding gutter 3 walks from described sheller unit 1 and intersect.Fall into the process of guiding gutter 3 like this at cereal, the assorted material of lightweight wherein just is blown away.
Also comprise baffle plate 12, described baffle plate 12 is located between described sheller unit 1 and the described guiding gutter 3;
Described baffle plate 12 and described hair-dryer 2 are oppositely arranged, and the cereal that falls from described discharging opening 6 passes the space between described hair-dryer 2 and the described baffle plate 12, and the wind direction of described hair-dryer 2 is towards the plate face of described baffle plate 12.
In order to prevent that wind-force from crossing the cereal grain that senior general falls and blowing away, can a baffle plate 12 be set on the opposite of the wind direction of described hair-dryer 2, this baffle plate 12 can fall into the cereal grain interception of being blown off in the guiding gutter 3 again.Described baffle plate 12 can be venetian blind type or the baffle plate that similarly can play barrier effect.Excessive for the resistance that 12 pairs of wind-force of anti-baffle plate produce, preferably, described baffle plate 12 can be set to shutter.
When preventing that screen drum 4 from rotating towards direction always, wherein the assorted material of Jie Kuai some can not be opened by pulverizing fast, so described screen drum 4 has been disposed another " incorgruous with one heart " rotating manner screen drum simultaneously;
The two ends of every layer of described screen drum 4 are respectively equipped with for the drive unit that drives every layer of described screen drum 4 independent rotation;
On the outer wall of every layer of described screen drum 4, be arranged with for the back shaft 10 that supports each described screen drum 4.
Like this, every layer of screen drum 4 is free to rotate, and with one heart not in the same way, like this, entering the cereal of screen drum 4 and assorted material can be under the rotation that screen drum 4 is constantly changed direction, and the assorted material of wherein caking can be rocked open rapidly.Such as, enter in the cereal in the screen drum 4 of innermost layer and include soil block or other silt piece, and the cereal grain is wrapped in wherein, ground floor always towards clockwise rotate filtered one deck after, after entering down in the screen drum 4 of one deck, when changing direction suddenly, caking wherein can be pulverized in the process of changing direction rapidly, and, the cereal that is rotated toward the direction and assorted material always, also be the process that changes fixing state in the process of changing direction, can accelerated filtration speed, can prevent from being mingled with in the cereal grain possibility that too much assorted material can not be filtered.
The driven wheel 17 of independent rotation can be directly to be connected with power set by belt pulley, or docks with gear grooved 11 by gear, and described gear grooved 11 can cooperate with the gear of drive unit rotates each layer shaft screen.For the steadiness of equipment integral body is provided, preferably, a gear grooved 11 can be set respectively at the two ends of every layer of screen drum 4, simultaneously, on the outer wall of each layer screen drum 4, be symmetrical arranged for supporting the back shaft 10 that each described screen drum 4 has pinion, each layer screen drum 4 can also further improve the stability of screen drum 4 when rotating towards different directions like this.
In order to prevent that cereal grain in the discharging opening 6 or other assorted feed collet are in the gear grooved 11 at screen drum 4 two ends; can be at the bore of each described screen drum 4 sidewall of a bigger end described discharging opening 6 is set; like this; during material in discharging each screen drum 4; the position of no show gear grooved 11 also; discharging opening 6 has been discharged from beyond the screen drum 4, so can be located on the sidewall of screen drum 4.
In order to pulverize cereal and other the assorted caking of expecting that enters in the screen drum 4 fast, can in described screen drum 4, be provided for the steel brush 9 that cleans and pulverize.
For the amount according to actual cereal arranges the rotating speed of screen drum 4, can be used for the gearbox 15 of the rotating speed of the described screen drum 4 of regulation and control in described screen drum 4 outer setting;
Also comprise charging aperture 13 and threshing cylinder in the described sheller unit 1;
In the process of cereal bars of in giving sheller unit 1, packing into, prevent that cereal from making somebody a mere figurehead at charging aperture 13 places, can be provided for accelerating the auger 14 that cereal enters described threshing cylinder in the junction of described charging aperture 13 and described threshing cylinder.For built on stilts cereal bars can enter into sheller unit 1 rapidly under the effect of auger 14, after the threshing cylinder running, the discharge gate that arranges by its surface is discharged in the guiding gutter, simultaneously, end at threshing cylinder is provided with cereal axle remover 16, such as the cereal of corn ear and so on, and meeting output corncob when carrying out threshing, at this moment, can be directly by described cereal axle remover 16 it be discharged to outside the threshing cylinder.
The utility model is a kind of efficient grain separator, mainly solves the threshing efficiency of grain separator, the problem of the separative efficiency of threshing and effective finished product.Take off a side of tube at cereal grain machine impurity hair-dryer 2 has been installed; be provided with the impurity air outlet in a relative other side; the air door of a venetian blind type is installed at air outlet; can be entered one group of three layers of trommel branch by the cereal of threshing before; it is external just cereal chaff and various tiny impurity to have been blown out thresher, has solved foreign material and will sieve a difficult problem of stopping up at the end.Bright spot of the present utility model is that this machine is on the basis of poor efficiency screening at the bottom of traditional plug-type sieve, sieves three layers of rotary rolling cylinder sieve have been made, the surface of this sieve is, the bore of feeding mouth 5 is little, the bore of discharging opening 6 is big, after a large amount of threshing objects enters this shaft screen, because the drop of entrance and exit is big, under the effect of gravity, threshing object can be accomplished to flow downward automatically, alleviate the weight of a large amount of threshing objects to the pressure of each layer sieve abdomen, can keep sieving abdomen and can not be out of shape, improved the efficient of screening greatly.
The rotating speed that three layers of rotary cylinder bushing screen of a gearbox 15 controls are arranged in screening process; rotary screen rotates with a constant speed; such constant speed rotation will obtain unlimited increase with the area of limited each layer cylinder sieve; increased the amount of screening finished product cereal grain virtually; improved screening efficiency, and whole thresher has structurally been become simple and practical.
The efficient thresher of the large-scale cereal of the utility model is provided with a machine charging aperture 13 devices; in charging aperture 13 sources; one of the top installation of close threshing tube helps cereal bars and enters threshing tube auger 14 devices fast; hair-dryer 2 the same with shaft length in the threshing tube of a side device at the threshing tube; under the threshing tube, there is one to the chute of rotary screen import lopsidedness; three layers of rotary cylindrical sleeve screen device that the below of this chute has one group " in the same way coaxial " three layers of rotary cylinder bushing screen or " coaxial incorgruous " to roll also are furnished with the power of a control trommel and the gearbox 15 of speed in addition.
The length of auger 14 is decided according to charging aperture 13 sizes, and diameter is not less than 25 centimeters, is used for helping cereal bars and enters the threshing tube fast.On hair-dryer 2 device four blades are arranged, be placed in tube one side of threshing roll, blow out and can be produced a large amount of cereal chaff and various tiny impurity after the threshing, to be blown out thresher by hair-dryer 2 before revolving biography formula drum sieve external entering for these foreign material.
Chutes below the hair-dryer 2 are used for collecting the cereal grain of being taken off, and the gradient according to the design chute need not the driving of power, the cereal grain of deviating from that mixes automatically will be imported in three layers of trommel of the present utility model and separate step by step.
The below of the chute that tilts is one group of three layers of rotary cylinder bushing screen, is used for separating step by step the cereal grain that takes off.The surface of this cylinder bushing screen is, the bore of feeding mouth 5 is little, the bore of discharging opening 6 is big, after a large amount of threshing objects enters this rotary cylinder bushing screen, because the drop of entrance and exit is big, under the effect of gravity, threshing object can be accomplished to flow downward automatically, alleviate the weight of a large amount of threshing objects to the pressure of each layer sieve abdomen, can keep sieving abdomen and can not be out of shape, improved the efficient of screening greatly.
This three layers of rotary cylinder bushing screen are furnished with two types, and a kind of is three layers of rotary cylinder bushing screen that " in the same way coaxial " rolls, applicable to weather, and the surrounding environment better operating location that all compares; Another is the rotary cylinder bushing screen that " coaxial incorgruous " rolls, and be equipped with steel brush 9 for this bushing screen, be applicable to atrocious weather, the surrounding environment relatively poor operating location that all compares, such as, the cereal bars subband has a large amount of foreskins, be mingled with a large amount of earth and accumulated snow in the cereal, or in operation, constantly snowing heavily, these earth and a large amount of accumulated snow can be stuck with paste mesh dead or stop up, steel brush 9 just in time plays the effect of cleaning, steel brush 9 can also play the effect of a stirring in screen drum 4, increase the screening speed of shaft screen.In addition, steel brush 9 is to be attached to separately on the turning cylinder, and dismounting freely.Three layers of rotary cylinder bushing screen of this two cover also are respectively two separate components, can replace, dismantle and install according to environment.
The sieve diameter of the rotary cylinder bushing screen of ground floor can be made as the 12--16 millimeter, is used for telling the whole pulverized cereal axle bigger than cereal grain, is provided with a side discharging opening 6 at the end of sieve; Sieve diameter at the rotary cylinder bushing screen of the second layer can be made as the 4--6 millimeter, is used for sieving out cereal grain finished product, is provided with the discharging opening 6 of a finished product cereal grain at the end of sieve, and this discharging opening 6 can be interfaced directly to conveyer; The sieve diameter of the 3rd layer of rotary cylinder bushing screen is 3 millimeters, is used for sifting out than the little cereal grain of finished product and tiny cereal slag, and side also is provided with a discharging opening 6.
The power of thresher each several part; all from external diesel engine or electromotor; link by the main shaft of belt with the threshing tube; by belt power is passed to auger 14, hair-dryer 2 and gearbox 15 by the drive on the main shaft of threshing tube again, by gearbox 15 power and speed are passed to three layers of rotary cylinder bushing screen again.
The various embodiment that the utility model provides can be as required combination mutually in any way, the technical scheme that obtains by this combination is also in scope of the present utility model.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also comprises these changes and modification interior.
Claims (10)
1. grain separator is characterized in that, comprising: sheller unit, guiding gutter and filter;
Being provided with in the described filter can be along the screen drum of self axis rotation, and the axis of described screen drum is parallel with horizontal plane; The diameter of described screen drum in the cross section of radial direction passes through and dwindles gradually, and the less end of bore is provided with feeding mouth, and the end that bore is bigger is provided with discharging opening; The surface of described screen drum is provided with a plurality of blanking holes;
Be provided with discharge gate in the described sheller unit, described guiding gutter is positioned at the below of described discharge gate, and its opening is towards described discharge gate;
One end of described guiding gutter and described feeding mouth are communicated with.
2. grain separator according to claim 1 is characterized in that,
The bottom land of described guiding gutter attaches mutually with the outer wall of described screen drum;
Described guiding gutter extends in the described feeding mouth near an end of described feeding mouth.
3. grain separator according to claim 2 is characterized in that,
Described screen drum comprises multilayer, the coaxial setting of the described screen drum of multilayer, and be provided with the gap between the sidewall of adjacent two-layer described screen drum;
The less end of the bore of the described screen drum of innermost layer is provided with described feeding mouth;
Be equipped with the identical a plurality of described blanking hole of size on the sidewall of every layer of described screen drum; Varying in size of the described blanking hole that arranges on the described screen drum of different layers.
4. grain separator according to claim 3 is characterized in that,
Described screen drum comprises three layers, and three layers of described screen drum are fixed by a central principal axis;
From inside to outside, the aperture of the described blanking hole of the surface of three layers of described screen drum setting reduces gradually.
5. according to any described grain separator of claim 1-4, it is characterized in that,
Also comprise hair-dryer, described hair-dryer is located between described sheller unit and the described guiding gutter;
The wind path of described hair-dryer and cereal grain fall into the path that described guiding gutter walks from described sheller unit and intersect.
6. grain separator according to claim 5 is characterized in that,
Also comprise baffle plate, described baffle plate is located between described sheller unit and the described guiding gutter;
Described baffle plate and described hair-dryer are oppositely arranged, and the cereal that falls from described discharging opening passes the space between described hair-dryer and the described baffle plate, and the wind direction of described hair-dryer is towards the plate face of described baffle plate.
7. grain separator according to claim 3 is characterized in that,
Described screen drum comprises multilayer;
The two ends of every layer of described screen drum are respectively equipped with for the drive unit that drives every layer of described screen drum independent rotation;
On the outer wall of every layer of described screen drum, be arranged with for the back shaft that supports each described screen drum.
8. grain separator according to claim 7 is characterized in that,
Be provided with the steel brush for cleaning and pulverizing in the described screen drum.
9. grain separator according to claim 1 is characterized in that,
Also comprise the gearbox for the rotating speed of the described screen drum of regulation and control.
10. according to any described grain separator of claim 9, it is characterized in that,
Also comprise charging aperture and threshing cylinder in the described sheller unit; The junction of described charging aperture and described threshing cylinder is provided with for accelerating the auger that cereal enters described threshing cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130977 CN203136576U (en) | 2013-03-21 | 2013-03-21 | Grain separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130977 CN203136576U (en) | 2013-03-21 | 2013-03-21 | Grain separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203136576U true CN203136576U (en) | 2013-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320130977 Expired - Fee Related CN203136576U (en) | 2013-03-21 | 2013-03-21 | Grain separator |
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| Country | Link |
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| CN (1) | CN203136576U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103141226A (en) * | 2013-03-21 | 2013-06-12 | 邓双来 | Grain threshing machine |
| CN107306612A (en) * | 2017-07-07 | 2017-11-03 | 华中农业大学 | The differential drum sieve cleaned for rape combined harvester |
| CN111527887A (en) * | 2020-04-26 | 2020-08-14 | 陕西科技大学 | Grain and straw separator |
-
2013
- 2013-03-21 CN CN 201320130977 patent/CN203136576U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103141226A (en) * | 2013-03-21 | 2013-06-12 | 邓双来 | Grain threshing machine |
| CN103141226B (en) * | 2013-03-21 | 2015-04-22 | 邓双来 | Grain threshing machine |
| CN107306612A (en) * | 2017-07-07 | 2017-11-03 | 华中农业大学 | The differential drum sieve cleaned for rape combined harvester |
| CN111527887A (en) * | 2020-04-26 | 2020-08-14 | 陕西科技大学 | Grain and straw separator |
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