CN103141226B - Grain threshing machine - Google Patents
Grain threshing machine Download PDFInfo
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- CN103141226B CN103141226B CN201310091488.9A CN201310091488A CN103141226B CN 103141226 B CN103141226 B CN 103141226B CN 201310091488 A CN201310091488 A CN 201310091488A CN 103141226 B CN103141226 B CN 103141226B
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- screen drum
- cereal
- guiding gutter
- grain
- described screen
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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 field of agricultural machinery, particularly grain separator.
Background technology
There is high-efficiency large grain separator to be applied in agricultural production by a large amount of at present, comprising grain threshing cylinder and the sieve for being separated with the assorted material be entrained in wherein by cereal grain.Under the drive of motor or diesel engine, sieve moves back and forth in the horizontal plane, promotes that cereal grain and assorted material are accelerated to fall.
Problems existing: existing sieve is horizontal screen, can constantly drop on sieve from grain threshing cylinder cereal grain out and assorted material.When the amount of the cereal and assorted material that depart from cylinder outflow from cereal is very large, when first group of amount dropped on sieve has not also been filtered completely, second group is dropped on again on sieve, the rest may be inferred, each constantly accumulation, sieve can cover cereal and assorted material more and more, above sieve, the overall weight of covering can increase the weight of, when 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 solve the problem.
Technical scheme of the present invention is achieved in that grain separator, comprising: sheller unit, guiding gutter and filter;
The screen drum that can rotate along own axes is provided with, the axis of described screen drum and plane-parallel in described filter; Described screen drum passes through at the diameter in the cross section of radial direction and reduces gradually, and one end that bore is less is provided with feeding mouth, and one end that bore is larger is provided with discharging opening; The surface of described screen drum is provided with multiple blanking hole;
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 is communicated with described feeding mouth.
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 and plane-parallel; certain difference in height can be produced between the sidewall of that is sidewall of one end that the bore of screen drum is less and the larger one end of bore; cereal can sidewall slide downward from feeding mouth along screen drum; simultaneously discharging opening is located at the larger one end of the bore of screen drum; cereal can accelerate discharge velocity along the sidewall slide downward with inclination angle, namely can accelerate the rate of filtration of cereal.
And the filtration of screen drum is that the multiple blanking holes arranged by surface are filtered, 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, discharges eventually through discharging opening.Screen drum is in the process rotated around central axis simultaneously, and the surface of whole screen drum is filtration compass screen surface, and the area of sieves increases, and accelerates the rate of filtration.
Meanwhile, between sheller unit and screen drum, guiding gutter is provided with.When cereal falls from the discharge gate of sheller unit, first guiding gutter is fallen into, because one end of described guiding gutter is communicated with described feeding mouth, described guiding gutter has certain inclination angle, can ensure and cereal is transported in screen drum swimmingly, the issuable solid accumulation in discharge gate place at release unit can be reduced like this.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in below describing is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite not paying creative work, other embodiment and accompanying drawing thereof can also be obtained according to these accompanying drawing illustrated embodiments.
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 two ends provided by the invention;
Fig. 5 is the schematic cross-section of three screen drums incorgruous with one heart 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 be in grain separator provided by the invention with one heart to the structural representation of back shaft of three screen drum both sides;
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 apertures, 14. augers, 15. gearboxes, 16. cereal axle removers, 17. driven wheels.
Embodiment
Carry out clear, complete description below with reference to accompanying drawing to the technical scheme of various embodiments of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the present invention protects.
Embodiment 1: as shown in Figure 1
Grain separator, comprising: sheller unit 1, guiding gutter 3 and filter;
The screen drum 4 that can rotate along own axes is provided with, the axis of described screen drum 4 and plane-parallel in described filter; Described screen drum 4 passes through at the diameter in the cross section of radial direction and reduces gradually, and one end that bore is less is provided with feeding mouth 5, and one end that bore is larger is provided with discharging opening 6; The surface of described screen drum 4 is provided with multiple blanking hole 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 is communicated with described feeding mouth 5.
Compared with prior art; grain separator provided by the present invention; existing horizontal screen is modified into cylindric screen drum 4; because when arranging; the central axis of screen drum 4 and plane-parallel; certain difference in height can be produced between the sidewall of that is sidewall of one end that the bore of screen drum 4 is less and the larger one end of bore; cereal can slide downwards automatically from feeding mouth 5 along the sidewall of screen drum 4; simultaneously discharging opening 6 is located at the larger one end of the bore of screen drum 4; can discharge velocity be accelerated, namely can accelerate the rate of filtration of cereal.
And the filtration of screen drum 4 is that the multiple blanking holes 7 arranged by surface are filtered, 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, discharges eventually through discharging opening 6.Screen drum 4 is in the process rotated around central axis simultaneously, and the surface of whole screen drum 4 is filtration compass screen surface, and the area of sieves increases, and accelerates the rate of filtration.
Meanwhile, between sheller unit 1 and screen drum 4, the guiding gutter 3 that one has inclination angle is provided with.When cereal falls from the discharge gate of sheller unit 1, first guiding gutter 3 is fallen into, because one end of described guiding gutter 3 is communicated with described feeding mouth 5, cereal is transported in screen drum 4 by described guiding gutter 3, can reduce the issuable solid accumulation in discharge gate place at release unit like this.
Embodiment 2: as shown in Fig. 2-Fig. 7
Grain separator, comprising: sheller unit 1, guiding gutter 3 and filter;
The screen drum 4 that can rotate along own axes is provided with, the axis of described screen drum 4 and plane-parallel in described filter; Described screen drum 4 passes through at the diameter in the cross section of radial direction and reduces gradually, and one end that bore is less is provided with feeding mouth 5, and one end that bore is larger is provided with discharging opening 6; The surface of described screen drum 4 is provided with multiple blanking hole 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 is communicated with described feeding mouth 5.
The grain separator that the present embodiment provides; existing horizontal screen is modified into cylindric screen drum 4; when arranging; the central axis of screen drum 4 and plane-parallel; bracing frame is provided with at the two ends of screen drum 4; screen drum 4 by bracing frame under the effect of drive unit, round the center axis thereof of self.Certain difference in height can be produced between the sidewall of the simultaneously sidewall of one end that the bore of screen drum 4 is less and the larger one end of bore, cereal can from feeding mouth 5 along the sidewall slide downward of screen drum 4, simultaneously discharging opening 6 is located at the larger one end of the bore of screen drum 4, can discharge velocity be accelerated, namely can accelerate the rate of filtration of cereal.
And the filtration of screen drum 4 is that the multiple blanking holes 7 arranged by surface are filtered, 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, discharges eventually through discharging opening 6.Screen drum 4 is in the process rotated around central axis simultaneously, and the surface of whole screen drum 4 is filtration compass screen surface, and the area of sieves increases, and accelerates the rate of filtration.
Meanwhile, between sheller unit 1 and screen drum 4, the guiding gutter 3 that one has inclination angle is provided with.When cereal falls from the discharge gate of sheller unit 1, first guiding gutter 3 is fallen into, because one end of described guiding gutter 3 is communicated with described feeding mouth 5, cereal is transported in screen drum 4 by described guiding gutter 3, can reduce the issuable solid accumulation in discharge gate place at release unit like this.
In order to accelerate the speed be transported to by cereal by guiding gutter 3 in screen drum 4, described guiding gutter 3 one-tenth inclination angle can be arranged, the cereal fallen in guiding gutter 3 can flow into screen drum 4 rapidly automatically.So, can arrange and the outer wall of the bottom land of described guiding gutter 3 with described screen drum 4 is attached mutually; Described guiding gutter 3 extends in described feeding mouth 5 near one end of described feeding mouth 5.
Threshing cylinder is provided with in the sheller unit 1 provided in the present embodiment; the surface of threshing cylinder is provided with multiple relief hole; when arranging; the central shaft of sheller unit 1 and plane-parallel; threshing cylinder along with in the process of central axis, can be fallen in the guiding gutter 3 established thereunder by the relief hole on threshing cylinder surface by the cereal grain that takes off.
In order to cereal and other the assorted material wherein mixed being separated step by step, the described screen drum 4 of setting comprises multilayer, the coaxial setting of screen drum 4 described in multilayer, and is provided with certain interval between the sidewall of adjacent two-layer described screen drum 4;
One end that the bore of the described screen drum 4 of innermost layer is less is provided with described feeding mouth 5;
The sidewall of every layer of described screen drum 4 is equipped with the multiple described blanking hole 7 that size is identical; Varying in size of the described blanking hole 7 that the described screen drum 4 of different layers is arranged.
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 fixed by a central principal axis 8;
From inside to outside, the aperture of the described blanking hole 7 of the surface setting of three layers of described screen drum 4 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, maximum near the blanking hole 7 that the screen drum 4 of central principal axis 8 is arranged, cereal grain and the assorted material less than cereal grain can pass through, but, do not have in threshing course pulverized cereal axle not by, can only be concentrated by the discharging opening of this layer of end 6 and discharge.In the cereal grain entering middle level and the assorted material less than cereal grain, the blanking hole 7 that the assorted material less than cereal grain can be arranged by surface, middle level, but cereal grain not by, the discharging opening 6 that can only be arranged by this layer of end is concentrated and is discharged.Falling into the assorted material of outermost screen drum 4, pulverized cereal grain and the less cereal grain of immature particle diameter is had because also mix, and the thing of grogs and the 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, pulverized cereal grain and the less cereal grain of immature particle diameter not by, like this, these useful assorted material can be recovered utilization.
In order to cereal falls into guiding gutter 3 from sheller unit 1, before entering screen drum 4, first the assorted material of shell lighter in cereal grain or other broken leaf and so on can be removed, can arrange hair-dryer 2 between described sheller unit 1 and described guiding gutter 3, it is crossing that 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.Fall into the process of guiding gutter 3 like this at cereal, the assorted material of lightweight wherein is just 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 fallen from described discharging opening 6 is through the space 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 the cereal grain preventing wind-force from crossing senior general whereabouts blows away, can arrange a baffle plate 12 on the opposite of the wind direction of described hair-dryer 2, this baffle plate 12 can be tackled by the cereal grain blown off, and again falls in guiding gutter 3.Described baffle plate 12 can be venetian blind type or the similar baffle plate that can play barrier effect.The resistance produced in order to anti-baffle plate 12 pairs of wind-force is excessive, preferably, described baffle plate 12 can be set to shutter.
When rotating towards a direction to prevent screen drum 4, some the assorted material wherein lumpd can not be opened by fast-crushing, so described screen drum 4 to be configured with another " incorgruous with one heart " rotating manner screen drum simultaneously always;
The two ends of every layer of described screen drum 4 are respectively equipped with for driving every layer of independent drive unit rotated of described screen drum 4;
On the outer wall of every layer of described screen drum 4, be arranged with the back shaft 10 for supporting 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, under entering the rotation that the cereal of screen drum 4 and assorted material constantly can change direction at screen drum 4, the assorted material of caking wherein 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 block, and cereal grain is wrapped in wherein, at ground floor always towards after rotating clockwise and having filtered one deck, enter after in the screen drum 4 of lower one deck, when changing direction suddenly, caking wherein can be pulverized rapidly in the process of changing direction, and, always by the cereal that rotates toward the direction and assorted material, it is also the process changing fixing state in the process of changing direction, can accelerated filtration speed, can prevent from being mingled with in cereal grain the possibility that too much assorted material can not be filtered.
The independent driven wheel 17 rotated can be directly be connected with power set by belt pulley, or is docked with gear grooved 11 by gear, and described gear grooved 11 can coordinate with the gear of drive unit makes each layer shaft screen rotate.In order to provide the steadiness of Whole Equipment, 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, so every one deck screen drum 4, when rotating towards different directions, can also improve the stability of screen drum 4 further.
In order to prevent cereal grain in discharging opening 6 or other assorted feed collet in the gear grooved 11 at screen drum 4 two ends; described discharging opening 6 can be set on the sidewall of the larger one end of the bore of each described screen drum 4; like this; when discharging the material in each screen drum 4; also do not arrive the position of gear grooved 11; discharging opening 6 is discharged beyond screen drum 4, so can be located on the sidewall of screen drum 4.
In order to enter the caking of cereal in screen drum 4 and other assorted material by fast-crushing, the steel brush 9 for cleaning and pulverizing can be set in described screen drum 4.
In order to arrange the rotating speed of screen drum 4 according to the amount of actual cereal, can in described screen drum 4 outer setting for regulating and controlling the gearbox 15 of the rotating speed of described screen drum 4;
Charging aperture 13 and threshing cylinder is also comprised in described sheller unit 1;
Loading in the process of cereal bars in sheller unit 1, preventing cereal from making somebody a mere figurehead at charging aperture 13 place, the auger 14 entering described threshing cylinder can be set in the junction of described charging aperture 13 and described threshing cylinder for accelerating cereal.For built on stilts cereal bars can enter into sheller unit 1 rapidly under the effect of auger 14, after threshing cylinder running, the discharge gate arranged by its surface is discharged in guiding gutter, simultaneously, cereal axle remover 16 is provided with, the cereal of such as corn ear and so on, meeting output corncob while carrying out threshing at the end of threshing cylinder, now, can be directly discharged to outside threshing cylinder by described cereal axle remover 16.
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.Impurity hair-dryer 2 has been installed in the side taking off cylinder at cereal grain machine; impurity air outlet is provided with in relative other side; air outlet is installed the air door of a venetian blind type; can before be entered one group of three layers of rotating cylinder screening by the cereal of threshing; just cereal chaff and various tiny impurity can be blown out thresher external, solve foreign material by a difficult problem for sieve end blocking.Bright spot of the present invention is on the basis of the machine poor efficiency screening at the bottom of traditional plug-type sieve, sieves is made three layers of rotating cylinder drum screen, 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 gravity, threshing object can be accomplished automatically to flow downward, the weight alleviating a large amount of threshing object, to the pressure of each layer sieve abdomen, can keep sieve abdomen to be out of shape, greatly improve the efficiency of screening.
In screening process, there is a gearbox 15 to control the rotating speed of three layers of rotating cylinder bushing screen; rotary screen is with a constant speed rotary; the area of limited every one deck drum sieve will be obtained unlimited increase by such constant speed rotary; virtually add the amount of screening finished product cereal grain; improve screening efficiency, and overall thresher is structurally become simple and practical.
The large-scale high-efficiency grain threshing machine of the present invention is provided with machine charging aperture 13 device, in charging aperture 13 source, install one to help cereal bars enter thrashing cylinder auger 14 device fast near the top of thrashing cylinder, at the hair-dryer 2 that one, the side device of thrashing cylinder is the same with shaft length in thrashing cylinder, one is had to the chute of rotary screen import lopsidedness immediately below thrashing cylinder, three layers of rotating cylinder cover screen device that the below of this chute has one group " coaxially in the same way " three layers of rotating cylinder bushing screen or " coaxial variable to " to roll, also be furnished with one in addition and control the power of trommel and the gearbox 15 of speed.
The length of auger 14 is determined according to charging aperture 13 size, and diameter is not less than 25 centimeters, is used for helping cereal bars and enters thrashing cylinder fast.Hair-dryer 2 device has four blades, is placed in the cylinder side of threshing roll, blow out and a large amount of cereal chaffs and various tiny impurity after threshing, can be produced, these foreign material enter revolve biography formula drum sieve before to be blown out thresher by hair-dryer 2 external.
Chute below hair-dryer 2 is used for collecting by the cereal grain taken off, and according to the gradient of design chute, without the need to the driving of power, the cereal grain that mixes deviate from automatically will be imported in three layers of trommel of the present invention and be separated step by step.
The below of the chute tilted is one group of three layers of rotating cylinder bushing screen, is used for being separated the cereal grain taken off step by step.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 rotating cylinder bushing screen, because the drop of entrance and exit is large, under gravity, threshing object can be accomplished automatically to flow downward, the weight alleviating a large amount of threshing object, to the pressure of each layer sieve abdomen, can keep sieve abdomen to be out of shape, greatly improve the efficiency of screening.
This three layers of rotating cylinder bushing screen are furnished with two types, and one is the three layers of rotating cylinder bushing screen rolled " coaxially in the same way ", is applicable to weather, and surrounding environment all compares good operating location; The rotating 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, surrounding environment all to compare poor operating location, such as, cereal bars subband has a large amount of foreskins, a large amount of earth and accumulated snow is mingled with in cereal, or constantly snow heavily in operation, mesh can be stuck with paste dead or blocking by these earth and a large amount of accumulated snow, steel brush 9 just in time plays clean effect, steel brush 9 can also play an effect of stirring in screen drum 4, increases the screening speed of shaft screen.In addition, steel brush 9 is on the rotating shaft attached separately, and dismounting freely.This two cover three layers of rotating cylinder bushing screen are also two separate components respectively, can environmentally carry out replacing, dismantle and installing.
The sieve diameter of ground floor rotating cylinder bushing screen can be set to 12--16 millimeter, is used for separating the whole pulverized cereal axle larger than cereal grain, is provided with a side discharging opening 6 at the end of sieve; Can be set to 4--6 millimeter at the sieve diameter of second layer rotating cylinder bushing screen, be used for sieving out cereal grain finished product, be provided with the discharging opening 6 of a finished product cereal grain at the end of sieve, this discharging opening 6 can be interfaced directly to conveyer; The sieve diameter of third layer rotating cylinder bushing screen is 3 millimeters, is used for sifting out the cereal grain less than finished product and tiny cereal slag, and side is also provided with a discharging opening 6.
The high rotating speed number of main frame thrashing cylinder is become the slow-speed of revolution that rotating cylinder bushing screen uses by gearbox 15, the velocity of rotation of rotating cylinder bushing screen is controlled in desirable rotating speed, can ensure that finished product cereal grain can fully, efficiently, rapidly be separated by three layers of rotating cylinder bushing screen.
The power of thresher each several part; all from external diesel engine or electromotor; linked 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 rotating cylinder bushing screen.
Various embodiment provided by the invention can combine as required in any way mutually, the technical scheme obtained by this combination, also within the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if belong within the scope of the claims in the present invention and equivalent technologies thereof to these amendments of the present invention and modification, then the present invention also comprises these change and modification.
Claims (8)
1. grain separator, is characterized in that, comprising: sheller unit, guiding gutter and filter;
The screen drum that can rotate along own axes is provided with, the axis of described screen drum and plane-parallel in described filter; Described screen drum passes through at the diameter in the cross section of radial direction and reduces gradually, and one end that bore is less is provided with feeding mouth, and one end that bore is larger is provided with discharging opening; The surface of described screen drum is provided with multiple blanking hole;
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 is communicated with described feeding mouth;
Charging aperture and threshing cylinder is also comprised in described sheller unit; The junction of described charging aperture and described threshing cylinder is provided with the auger entering described threshing cylinder for accelerating cereal; Cereal axle remover is provided with at the end of threshing cylinder;
Described screen drum comprises multilayer, the coaxial setting of screen drum described in multilayer, and is provided with gap between the sidewall of adjacent two-layer described screen drum;
One end that the bore of the described screen drum of innermost layer is less is provided with described feeding mouth;
The sidewall of every layer of described screen drum is equipped with the multiple described blanking hole that size is identical; Varying in size of the described blanking hole that the described screen drum of different layers is arranged.
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 one end of described feeding mouth.
3. grain separator according to claim 1, 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 setting of three layers of described screen drum reduces gradually.
4. the grain separator according to claim 1-3 any one, is characterized in that,
Also comprise hair-dryer, described hair-dryer is located between described sheller unit and described guiding gutter;
It is crossing that the wind path of described hair-dryer and cereal grain fall into from described sheller unit the path that described guiding gutter walks.
5. grain separator according to claim 4, 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 fallen from described discharging opening is through the space described hair-dryer and described baffle plate, and the wind direction of described hair-dryer is towards the plate face of described baffle plate.
6. grain separator according to claim 1, is characterized in that,
Described screen drum comprises multilayer;
The two ends of every layer of described screen drum are respectively equipped with the drive unit for driving every layer of described screen drum independently to rotate;
On the outer wall of every layer of described screen drum, be arranged with the back shaft for supporting each described screen drum.
7. grain separator according to claim 6, is characterized in that,
The steel brush for cleaning and pulverizing is provided with in described screen drum.
8. grain separator according to claim 1, is characterized in that,
Also comprise the gearbox of the rotating speed for regulating and controlling described screen drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310091488.9A CN103141226B (en) | 2013-03-21 | 2013-03-21 | Grain threshing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310091488.9A CN103141226B (en) | 2013-03-21 | 2013-03-21 | Grain threshing machine |
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| CN103141226A CN103141226A (en) | 2013-06-12 |
| CN103141226B true CN103141226B (en) | 2015-04-22 |
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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 |
| 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 |
| 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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| CN103141226A (en) | 2013-06-12 |
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