CN103141226A - Grain threshing machine - Google Patents
Grain threshing machine Download PDFInfo
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- CN103141226A CN103141226A CN2013100914889A CN201310091488A CN103141226A CN 103141226 A CN103141226 A CN 103141226A CN 2013100914889 A CN2013100914889 A CN 2013100914889A CN 201310091488 A CN201310091488 A CN 201310091488A CN 103141226 A CN103141226 A CN 103141226A
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Abstract
The invention relates to the field of farming tools, in particular to a grain threshing machine, which comprises a threshing device, a flow guide groove and a filtering device, wherein a sieving cylinder is arranged in the filtering device and can rotate around the axis of the sieving cylinder, the axis of the sieving cylinder is parallel with a horizontal surface, the diameter of the radial cross section of the sieving cylinder is gradually reduced from one end to the other end, one end with smaller caliber is provided with a material inlet, one end with larger caliber is provided with a material outlet, the surface of the sieving cylinder is provided with a plurality of discharging holes, a discharging port is arranged in the threshing device, the flow guide groove is positioned under the discharging port, the opening of the flow guide groove faces the discharging port, and one end of the flow guide groove is communicated with the material inlet. The grain threshing machine has the advantage that the filtering speed of grains can be accelerated.
Description
Technical field
The present invention relates to the 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 agricultural production, comprise grain threshing cylinder 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 on horizontal plane, promotes cereal grain and assorted material to accelerate to fall.
The problem that exists: existing sieve is horizontal screen, can constantly drop on sieve from grain threshing cylinder cereal grain and assorted material out.When the amount that breaks away from the cereal of cylinder outflow and the material of mixing from cereal is very large, when first group of amount that drops on sieve also do not filtered fully, second group is dropped on again on sieve, the rest may be inferred, each constantly accumulation can cover cereal and assorted material more and more on sieve, above sieve, the overall weight of covering can increase the weight of, in the situation that the reciprocating speed of sieve can not change, the rate of filtration of cereal can slow down relatively.
Summary of the invention
Grain separator provided by the invention can address the above problem.
Technical scheme of the present invention is achieved in that grain separator, comprising: sheller unit, guiding gutter and filter;
Being provided with in 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 end that bore is less is provided with feeding mouth, and the end that bore is larger 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 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 present invention; 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 between the sidewall of the end that the sidewall of the end that the bore of screen drum is less and bore are larger and can produce certain difference in height; cereal can be from feeding mouth along screen drum the sidewall down sliding; discharging opening is located at the larger end of bore of screen drum simultaneously; cereal can be accelerated discharge velocity along the sidewall down sliding with inclination angle, namely 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 less than cereal grain pass through, and the material larger than cereal grain is left in 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, be provided with guiding gutter between sheller unit and screen drum.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 screen drum swimmingly, can reduce so the issuable solid accumulation at the discharge gate place of release unit.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in below describing is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 is the structural representation of grain separator provided by the invention;
Fig. 2 is the structural representation of air port multiple damper in grain separator provided by the invention;
Fig. 3 is the structural representation of coaxial three screen drums in the same way in grain separator provided by the invention;
Fig. 4 is the structural representation that cogged screen drum is established at grain separator provided by the invention two ends;
Fig. 5 is the concentric schematic cross-section of three incorgruous screen drums in grain separator provided by the invention;
Fig. 6 is the structural representation of steel brush in grain separator provided by the invention;
Fig. 7 is with the structural representation of the back shaft of three screen drum both sides of mind-set in grain separator provided by the invention;
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 various embodiments of the present invention is carried out clear, complete description, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
Embodiment 1: as shown in Figure 1
Grain separator comprises: sheller unit 1, guiding gutter 3 and filter;
Being provided with in 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 end that bore is less is provided with feeding mouth 5, and the end that bore is larger 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 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 present invention; 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 between the sidewall of the end that the sidewall of the end that the bore of screen drum 4 is less and bore are larger and can produce certain difference in height; cereal can be from feeding mouth 5 along screen drum 4 sidewall automatically slide downwards; discharging opening 6 is located at the larger end of bore of screen drum 4 simultaneously; can accelerate discharge velocity, namely 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 less than cereal grain pass through, and the material larger than cereal grain is left in 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, be provided with a guiding gutter 3 with inclination angle between sheller unit 1 and screen drum 4.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 screen drum 4, can reduce so the issuable solid accumulation at the discharge gate place of release unit.
Embodiment 2: as Fig. 2-shown in Figure 7
Grain separator comprises: sheller unit 1, guiding gutter 3 and filter;
Being provided with in 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 end that bore is less is provided with feeding mouth 5, and the end that bore is larger 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 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 the 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.Can produce certain difference in height between the sidewall of the end that the sidewall of the end that the bore of screen drum 4 is less simultaneously and bore are larger, cereal can be from feeding mouth 5 along screen drum 4 sidewall down sliding, discharging opening 6 is located at the larger end of bore of screen drum 4 simultaneously, can accelerate discharge velocity, namely 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 less than cereal grain pass through, and the material larger than cereal grain is left in 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, be provided with a guiding gutter 3 with inclination angle between sheller unit 1 and screen drum 4.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 screen drum 4, can reduce so the issuable solid accumulation at the discharge gate place of release unit.
In order to accelerate by guiding gutter 3, cereal to be transported to speed in screen drum 4,3 one-tenth inclinations angle of described guiding gutter can be arranged, the cereal that fall in 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 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 the process of rotating along with central shaft, 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 coaxial setting of the described screen drum 4 of multilayer, and be provided with certain interval between the sidewall of adjacent two-layer described screen drum 4;
The end that the bore of the described screen drum 4 of innermost layer is less 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.
Learn according to the operation experiments of reality, preferably, described screen drum 4 can be set to three layers, 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 concentric rotating in same direction under the effect of central principal axis 8 filters.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 less than cereal grain can pass through, but, do not have pulverized cereal axle not pass through in 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 the surface, middle level than the little assorted material of cereal grain, but the cereal grain can not pass through, and can only concentrate by the discharging opening 6 that this layer end arranges 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 outermost screen drum 4 can only allow grogs and the grains of sand pass through, the cereal grain that pulverized cereal grain and immature particle diameter are less 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, before entering 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 from described sheller unit 1 path that described guiding gutter 3 walks and intersect.Fall into like this process of guiding gutter 3 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 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 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 with the cereal grain interception of being blown off, fall in 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 some assorted material of caking can not be opened by fast-crushing, so described screen drum 4 has been configured another " incorgruous with one heart " rotating manner screen drum simultaneously;
The two ends of every layer of described screen drum 4 are respectively equipped be used to 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 in the screen drum 4 of lower one deck, when changing direction suddenly, caking wherein can be pulverized in the process of changing direction rapidly, and, the cereal that is always rotated toward the direction and assorted material, it is also 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 coordinate with the gear of drive unit rotates each layer shaft screen.For the steadiness of Whole Equipment 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 every one deck screen drum 4, be symmetrical arranged for supporting the back shaft 10 of each described screen drum 4 with pinion, every like this one deck screen drum 4 can also further improve the stability of screen drum 4 when rotating towards different directions.
In order to prevent that cereal grain in 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 described discharging opening 6 be set on the sidewall of a larger end; like this; during material in discharging each screen drum 4; also do not arrive the position of gear grooved 11; discharging opening 6 has been discharged from beyond screen drum 4, so can be located on the sidewall of screen drum 4.
In order fast-crushing to enter cereal in screen drum 4 and the caking of other assorted material, can be provided for the steel brush 9 that cleans and pulverize in described screen drum 4.
The rotating speed of screen drum 4 is set for the amount according to actual cereal, can be used for regulating and controlling in described screen drum 4 outer setting the gearbox 15 of the rotating speed of described screen drum 4;
Also comprise charging aperture 13 and threshing cylinder in described sheller unit 1;
In the process of cereal bars of packing into, prevent that cereal from making somebody a mere figurehead at charging aperture 13 places in giving sheller unit 1, can be provided in the junction of described charging aperture 13 and described threshing cylinder accelerating the auger 14 that cereal enters 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 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 directly by described cereal axle remover 16, it be discharged to outside threshing cylinder.
The present invention is a kind of high efficiency grain thresher, 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 cylinder 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 on air outlet; can be before being entered one group of three layers of trommel by the cereal of threshing and dividing; just cereal chaff and various tiny impurity can have been blown out thresher external, solve foreign material and will sieve a difficult problem of stopping up at the end.Bright spot of the present invention is that the machine is on the basis of poor efficiency screening at the bottom of traditional plug-type sieve, sieves three layers of rotary cylinder roller screen have been made, the surface of this sieve is, the bore of feeding mouth 5 is little, the bore of discharging opening 6 is large, after a large amount of threshing objects enters this shaft screen, because the drop of entrance and exit is large, under action of gravitation, threshing object can be accomplished automatically to flow downward, 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, greatly improved the efficient of screening.
There is a gearbox 15 to control the rotating speed of three layers of rotary cylinder bushing screen in screening process; rotary screen is with a constant speed rotary; such constant speed rotary will obtain unlimited increase with the area of limited every one deck drum sieve; virtually increased the amount of screening finished product cereal grain; improved screening efficiency, and whole thresher has structurally been become simple and practical.
the large-scale high-efficiency grain threshing machine of the present invention is provided with a machine charging aperture 13 devices, in charging aperture 13 sources, one of the top installation of close thrashing cylinder helps cereal bars and enters fast thrashing cylinder auger 14 devices, hair-dryer 2 the same with shaft length in thrashing cylinder of a side device at thrashing cylinder, there is one to the chute of rotary screen import lopsidedness under thrashing cylinder, 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 variable to " to roll, also be furnished with in addition one and control the power of trommel and the gearbox 15 of speed.
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 fast thrashing cylinder.On hair-dryer 2 device, four blades are arranged, be placed in cylinder one side of threshing roll, blow out and can be produced a large amount of cereal chaff and various tiny impurity after threshing, to be blown out thresher by hair-dryer 2 before revolving biography formula drum sieve external entering for these foreign material.
Chutes below 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 that mixes of deviating from automatically will be imported in three layers of trommel of the present invention 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 large, after a large amount of threshing objects enters this rotary cylinder bushing screen, because the drop of entrance and exit is large, under action of gravitation, threshing object can be accomplished automatically to flow downward, 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, greatly improved the efficient of screening.
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; The rotary cylinder bushing screen that another is " coaxial variable to " 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 cereal, or constantly snowing heavily in operation, 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 turning cylinder, and dismounting freely.Three layers of rotary cylinder bushing screen of this two cover are respectively also two separate components, can replace according to environment, dismantle and install.
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 larger 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 thrashing cylinder; by belt, power is passed to auger 14, hair-dryer 2 and gearbox 15 by the drive on the main shaft of thrashing cylinder again, then by gearbox 15, power and speed are passed to three layers of rotary cylinder bushing screen.
Various embodiment provided by the invention can be as required combination mutually in any way, the technical scheme that obtains by this combination, also within the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if of the present invention these are revised and within modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention 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 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 end that bore is less is provided with feeding mouth, and the end that bore is larger 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 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 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 end that the bore of the described screen drum of innermost layer is less 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 claim 1-4 described grain separators of any one, is characterized in that,
Also comprise hair-dryer, described hair-dryer is located between described sheller unit and described guiding gutter;
The wind path of described hair-dryer and cereal grain fall into from described sheller unit the path that described guiding gutter walks 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 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 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 be used to 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 described screen drum.
9. grain separator according to claim 1, is characterized in that,
Also comprise the gearbox be used to the rotating speed that regulates and controls described screen drum.
10. any described grain separator according to claim 9, is characterized in that,
Also comprise charging aperture and threshing cylinder in described sheller unit; The junction of described charging aperture and described threshing cylinder is provided with the auger that enters described threshing cylinder for quickening cereal.
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| CN201310091488.9A CN103141226B (en) | 2013-03-21 | 2013-03-21 | Grain threshing machine |
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| CN201310091488.9A CN103141226B (en) | 2013-03-21 | 2013-03-21 | Grain threshing machine |
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| CN103947898A (en) * | 2014-05-14 | 2014-07-30 | 四川新希望六和农牧有限公司 | Method for cleaning raw materials of piglet feed |
| CN105191586A (en) * | 2015-10-14 | 2015-12-30 | 佟俊华 | Corn thresher with roller screen |
| CN108522027A (en) * | 2018-02-09 | 2018-09-14 | 马玉荣 | A kind of paddy-eliminator with filtering function |
| CN109365259A (en) * | 2018-11-23 | 2019-02-22 | 吴平诗 | A kind of improved Semen Coicis screening installation |
| CN111977040A (en) * | 2020-07-30 | 2020-11-24 | 天台百耀机械有限公司 | Automatic stir-fry equipment for packing of sesame |
| CN115067081A (en) * | 2022-05-17 | 2022-09-20 | 江苏农林职业技术学院 | Single plant chenopodium quinoa seed collecting device for laboratory |
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| CN203136576U (en) * | 2013-03-21 | 2013-08-21 | 邓双来 | Grain separator |
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| CN103947898A (en) * | 2014-05-14 | 2014-07-30 | 四川新希望六和农牧有限公司 | Method for cleaning raw materials of piglet feed |
| CN105191586A (en) * | 2015-10-14 | 2015-12-30 | 佟俊华 | Corn thresher with roller screen |
| CN105191586B (en) * | 2015-10-14 | 2017-05-10 | 佟俊华 | Corn thresher with roller screen |
| CN108522027A (en) * | 2018-02-09 | 2018-09-14 | 马玉荣 | A kind of paddy-eliminator with filtering function |
| CN109365259A (en) * | 2018-11-23 | 2019-02-22 | 吴平诗 | A kind of improved Semen Coicis screening installation |
| CN111977040A (en) * | 2020-07-30 | 2020-11-24 | 天台百耀机械有限公司 | Automatic stir-fry equipment for packing of sesame |
| CN111977040B (en) * | 2020-07-30 | 2021-12-03 | 防城港富味乡油脂食品有限公司 | Automatic stir-fry equipment for packing of sesame |
| CN115067081A (en) * | 2022-05-17 | 2022-09-20 | 江苏农林职业技术学院 | Single plant chenopodium quinoa seed collecting device for laboratory |
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