CN107225090A - Revolution combination multi-deck screen - Google Patents
Revolution combination multi-deck screen Download PDFInfo
- Publication number
- CN107225090A CN107225090A CN201710672473.XA CN201710672473A CN107225090A CN 107225090 A CN107225090 A CN 107225090A CN 201710672473 A CN201710672473 A CN 201710672473A CN 107225090 A CN107225090 A CN 107225090A
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- China
- Prior art keywords
- upper strata
- lower floor
- passage
- sieve
- screen frame
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/38—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens oscillating in a circular arc in their own plane; Plansifters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention relates to one kind revolution combination multi-deck screen, including frame, hang the sieve nest in frame, it is fixed on the feed system of frame top, and drive sieve nest to do the power drive system that plane rotation is moved, described sieve nest includes upper strata screen frame, lower floor's screen frame, uniform measurer, tapping channel and power drive system, described upper sieve inframe and upper sieve inframe is provided with multi-deck screen lattice group, the present invention is on the basis of original rotary flat sieve, increase sieve lattice quantity, the sieve lattice for setting multilayer to work simultaneously, by setting uniform proportioner, make the grain materials of removal of impurities to be screened even into being screened on different sieve lattice, to remove the large granular impurity and little particle impurity in grain, simultaneously, exhausting system is set to extract the light thin impurity such as the dust in grain, reach the purpose of screening dedusting removal of impurities, multi-deck screen lattice increase screening and removing impurities efficiency, meet the screening needs of large granary.
Description
Technical field
The present invention relates to grain screening and removing impurities equipment technical field, and in particular to one kind revolution combination multi-deck screen.
Background technology
Foodstuff grain is before storage, due to containing impurity and dust in grain, and impurity is such as contained in grain and is put in storage, and can make grain
Food heating is mouldy, can also make the outbound flowing of grain not smooth, cause grain heavy losses.Therefore, must be to grain before storage
Cleared up, filter out the impurity and part dust in grain.At present, the equipment that in the market screen dedusting to grain is a variety of
Various, such as vibratory sieve, rotary flat sieve, but existing screening cleaner, big multi-functional single, screening efficiency are low,
The screening needs of large granary can not be met.
The content of the invention
In summary, in order to overcome the shortcomings of prior art problem, multi-deck screen is combined the invention provides one kind revolution, it
It is that on the basis of original rotary flat sieve, increase sieve lattice quantity, the sieve lattice for setting multilayer to work simultaneously are uniformly matched somebody with somebody by setting
Expect device, make the grain materials of removal of impurities to be screened even into being screened on different sieve lattice, to remove big in grain
Grain impurity and little particle impurity, meanwhile, set exhausting system to extract the light thin impurity such as the dust in grain, reach that screening dedusting is removed
Miscellaneous purpose, multi-deck screen lattice increase screening and removing impurities efficiency, meets the screening needs of large granary.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
One kind revolution combination multi-deck screen, wherein：Including frame, the sieve nest hung in frame, the charging for being fixed on frame top
System and drive sieve nest to do the power drive system of plane rotation motion, described sieve nest include upper strata screen frame, lower floor's screen frame,
Uniform measurer, tapping channel and power drive system, described upper sieve inframe and upper sieve inframe are provided with multi-deck screen
Lattice group, sieve lattice group includes upper sieve lattice, lower sieve lattice and the bottom plate set gradually from top to bottom, and the hole of lower sieve lattice is less than upper sieve lattice
Hole, sets power drive system between upper strata screen frame and lower floor's screen frame, power drive system drives upper strata screen frame and lower screen
Frame does plane rotation motion, and described upper strata screen frame and the side of lower floor's screen frame are provided with tapping channel, upper strata screen frame and lower floor
The opposite side of screen frame sets and feed hopper is provided with uniform measurer, described upper strata screen frame, feed hopper connection feed system with
Uniform measurer, described uniform measurer evenly distributes material the upper sieve lattice of feeding multi-deck screen lattice group, and described discharging is led to
Road includes big miscellaneous passage, small miscellaneous passage and net grain passage, and described big miscellaneous all upper sieve lattice for sieving lattice groups of passage connection are small miscellaneous logical
The bottom plate of all sieve lattice groups of road connection, the lower sieve lattice of net all sieve lattice groups of grain passage connection.
Technical scheme may also is that realization：Described feed system includes being fixed on frame top
Charging aperture is provided with charging housing, charging housing, and upper strata stock guide, the equal flitch in upper strata, lower floor are provided with charging housing and is led
Flitch and lower floor's baffle plate, the equal flitch in described upper strata are hinged on charging housing, and upper strata stock guide two ends are fixed with charging housing,
The equal flitch in upper strata is funnel shaped upper strata feeding-passage, upper strata stock guide and upper strata homocline with upper strata stock guide composition cross sectional shape
Gap is provided between plate and charging cover top plate, described lower floor's stock guide and lower floor's baffle plate is fixed with charging housing, under
Layer stock guide and lower floor baffle plate composition cross sectional shape are funnel shaped lower floor's feeding-passage, lower floor's stock guide and the equal flitch in upper strata it
Between there is gap, there is gap, described upper strata feeding-passage upper end open between described lower floor's baffle plate and upper strata stock guide
Correspondence charging aperture, the upper end open of the lower ending opening correspondence lower floor feeding-passage of upper strata feeding-passage, described lower floor's charging is logical
The feed hopper set on the lower ending opening correspondence upper strata screen frame in road.
Technical scheme may also is that realization：Set on the lower ending opening of described upper strata feeding-passage
There is even distributor, described even distributor includes refining rotating shaft, refining cam, regulating arm, adjustable plate, adjusting screw rod and regulation
Axle, described refining rotating shaft is installed on charging housing, and is connected with charging housing relative rotation, described charging housing peripheral hardware
Refining motor is equipped with, refining motor drives and is provided with refining cam, refining cam in refining axis of rotation, described refining rotating shaft
Contacted with the bottom surface of the upper plate of homocline layer by layer, regulating arm be installed with described refining rotating shaft, refining rotating shaft relative adjustment arm is rotated,
Adjustable plate is provided with described regulating arm, the lower ending opening of adjustable plate correspondence upper strata feeding-passage, described adjustable plate passes through
Adjusting screw rod is lifted in adjustment axis.
Technical scheme may also is that realization：Blast pipe is provided with described frame, blast pipe
The lower end mouth of pipe connects net grain passage, and the upper end connection of described blast pipe is arranged on the air draft passage in charging housing, described
The side of charging housing, which is provided with suction opeing, described charging housing, is provided with upper strata wind deflector and lower floor's wind deflector, upper strata
There is gap between wind deflector and charging cover top plate, gap between described upper strata wind deflector and charging cover top plate, on
The interconnected group in gap between gap, upper strata stock guide and charging cover top plate between layer flitch and charging cover top plate
Into upper strata air draft passage, there is gap between described upper strata wind deflector and lower floor's wind deflector, described upper strata wind deflector is with
The gap between gap, the equal flitch of lower floor's stock guide and upper strata between layer wind deflector, which is interconnected, constitutes lower floor's air draft passage,
The blast pipe set in suction opeing on the air draft passage connection housing of upper strata, lower floor's air draft passage connection frame, described charging
Reversing air duct is formed between lower floor's baffle plate and upper strata stock guide in housing, lower floor's air draft passage connects upper strata by reversing air duct
Air draft passage.
Technical scheme may also is that realization：V-type portion of lower floor is provided with described lower floor's wind deflector,
V-type portion of lower floor is connected with lower floor stock guide, and lower floor's dust discharge auger is provided with V-type portion of lower floor, and the side of charging housing is provided with
Dust discharge passage, V-type portion of lower floor connects dust discharge passage by lower floor's dust discharge auger.
Technical scheme may also is that realization：Upper strata V-type portion is provided with described upper strata wind deflector,
Dust discharge auger in upper strata is provided with described upper strata V-type portion, upper strata V-type portion connects dust discharge passage by upper strata dust discharge auger.
Technical scheme may also is that realization：Described uniform measurer includes framework, dividing plate, connection
Block and locking device, described framework upper end open, the upper end open connection feed hopper of framework, be provided with framework it is multiple every
Framework inner chamber is divided into multiple vertical blanking channels by plate, dividing plate, and multiple dispensings are provided with the medial surface of described framework
Mouthful, ingredients mouth is connected in framework upper end open, described ingredients mouth by blanking channel and is provided with inclined feedboard, feedboard
Blanking channel is closed, described multiple ingredients mouths correspond to the upper sieve lattice of different sieve lattice groups respectively, and the bottom of described framework is set
Contiguous block is equipped with, framework is hinged on the bottom of lower floor's screen frame by contiguous block, and framework top passes through locking device and upper strata screen frame
Lock on top.
Beneficial effects of the present invention are：
1st, the present invention is that on the basis of original rotary flat sieve, increase sieve lattice quantity, the sieve lattice for setting multilayer to work simultaneously lead to
Cross and uniform proportioner is set, make the grain materials of removal of impurities to be screened even into being screened on different sieve lattice, to remove
Large granular impurity and little particle impurity in grain, meanwhile, set exhausting system to extract the light thin impurity such as the dust in grain, reach
To the purpose of screening dedusting removal of impurities, multi-deck screen lattice increase screening and removing impurities efficiency meets the screening needs of large granary.
2nd, upper sieve inframe and upper sieve inframe of the invention are provided with multi-deck screen lattice group, and uniform measurer is equal by material
The upper sieve lattice of even distribution feeding multi-deck screen lattice group, uniformly send into material by uniform measurer the upper sieve of each sieve lattice group simultaneously
On lattice, sieve nest does plane rotation motion, and multi-deck screen lattice group carries out screening operation to material simultaneously, wherein, material is through upper sieve diagrid
Choosing, the sieve aperture of the light thin impurity such as the small small impurities of net grain, particle and dust from upper sieve lattice is fallen on lower sieve lattice, larger miscellaneous of particle
Matter enters big miscellaneous passage along upper sieve lattice, into the screening of net grain and impurity through lower sieve lattice of lower sieve lattice, and net grain is from net grain passage stream
Go out, small impurities is fallen on bottom plate, entering small miscellaneous passage along bottom plate discharges, and multi-deck screen lattice group carries out screening operation to material simultaneously,
Screening efficiency is high, and yield is high, and cleaning screening effect is good.
3rd, uniform measurer of the invention is by the way that framework inner chamber is divided into multiple vertical blanking channels in dividing plate, so
Ingredients mouth is set on the medial surface of framework afterwards, and setting for ingredients mouth is highly identical respectively at the height of the sieve lattice in sieve nest, so
Feedboard is set in the lower edge of ingredients mouth afterwards, feedboard closes blanking channel, then the grain entered from framework upper end open, edge
Blanking channel is fed downwards, is run into after feedboard stop, is flowed out along feedboard and ingredients mouth, due to position and the sieve lattice of ingredients mouth
Position correspondence, then grain materials, which enter, sieves lattice.By setting multiple corresponding ingredients mouths of sieve lattice difference with sieve nest, realize same
When uniform dispensing is carried out to the sieve lattice in sieve nest, realize grain materials evenly distributing on multi-deck screen lattice, simple in construction, function
It is powerful, it is skillfully constructed, realizes that multi-deck screen lattice are fed simultaneously, ingredients.
4th, it is provided with even distributor on the lower ending opening of upper strata feeding-passage of the invention, the setting of even distributor passes through even
Expect that rotating shaft drives refining cam rotation, so that the equal flitch in upper strata is constantly swung up and down, play uniform blanking, meanwhile,
The size of the lower ending opening of upper feeding passage is adjusted by adjustable plate and adjusting screw rod, uniform distribution effect is further improved, adjusted
The size of the lower ending opening of whole upper feeding passage is realized to be fed according to needs of production.
5th, the lower end mouth of pipe of blast pipe of the invention connects net grain passage, and the upper end connection of blast pipe is arranged on charging housing
Interior air draft passage, air exhauster is by air draft passage and blast pipe exhausting, so that light thin in the net grain that net grain passage is flowed out
Impurity and dust take exclusion away, reach dedusting purpose, so that the present invention is vdiverse in function, enable the invention to enter grain materials
Row screening, removal of impurities, classification and dust removal process, a tractor serves several purposes.
6th, air draft passage of the invention includes upper strata air draft passage, lower floor's air draft passage and reversing air duct, blast pipe connection
The light thin impurity such as the dust in lower floor's air draft passage and net grain passage, the net grain being extracted is when by V-type portion of lower floor, lower floor V
Type portion space is big with respect to blast pipe, in V-type portion of lower floor space, and space increase, air-flow velocity is slow, and the light thin impurity in air-flow exists
Settle, discharged by lower floor's dust discharge auger in V-type portion of lower floor space, afterwards, air-flow is commutated into reversing air duct, and space is contracted again
It is small, flow velocity increase, air-flow by lower feeding-passage and upper feeding passage grain materials stream when, by the dust in grain materials stream
And light thin impurity is taken away, during by upper strata V-type portion, space increases again, and the dust and light thin impurity in air-flow are settled again
Exclude.It is novel in design so as to realize secondary downdraught dedusting, it is skillfully constructed.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of the even distributor of the present invention；
Fig. 3 is the structural representation of the uniform measurer of the present invention；
Fig. 4 is Fig. 3 of the present invention left view schematic diagram.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of revolution combination multi-deck screen, including frame 1, the sieve hung in frame 1
Body 2, the feed system 4 for being fixed on the top of frame 1 and drive sieve nest 2 do the power drive system 3 of plane rotation motion, described
Sieve nest 2 include upper strata screen frame 21, lower floor's screen frame 22, uniform measurer 23, tapping channel 24 and power drive system 3, it is described
Upper strata screen frame 21 in and upper strata screen frame 21 in be provided with two layer screen lattice group 25, totally four layers of sieve lattice group 25, respectively upper sieve
Lattice group, middle level sieve lattice group, lower screen lattice group and bottom sieve lattice group, wherein upper sieve lattice group and middle level sieve lattice group are located at upper strata screen frame
In 21, lower screen lattice group and bottom sieve lattice group are located in lower floor's screen frame 22.Four layers of sieve lattice 25 structure of group are identical, including from upper
Under the upper sieve lattice 251, the lower sieve lattice 252 and bottom plate 253 that set gradually, the hole of lower sieve lattice 252 is less than the hole of upper sieve lattice 251,
Power drive system 3 is set between upper strata screen frame 21 and lower floor's screen frame 22, and power drive system 3 drives upper strata screen frame 21 and lower floor
Screen frame 22 does plane rotation motion, and described upper strata screen frame 21 and the side of lower floor's screen frame 22 are provided with tapping channel 24, discharging
Passage 24 includes big miscellaneous passage, small miscellaneous passage and net grain passage 241, described big miscellaneous all upper sieves for sieving lattice groups 25 of passage connection
Lattice 251, the bottom plate 253 of small miscellaneous all sieve lattice groups 25 of passage connection, net grain passage 241 connects the lower sieve lattice of all sieve lattice groups 25
252。
The opposite side of upper strata screen frame 21 and lower floor's screen frame 22 sets and set on uniform measurer 23, described upper strata screen frame 21
There are feed hopper 26, the connection feed system 4 of feed hopper 26 and uniform measurer 23, feed system 4 includes being fixed on the top of frame 1
It is provided with charging housing 41, charging housing 41 in charging aperture 42, charging housing 41 and is provided with upper strata stock guide 43, upper strata homocline
Plate 44, lower floor's stock guide 45 and lower floor's baffle plate 46, the equal flitch 44 in described upper strata are hinged on charging housing 41, upper strata stock guide
43 two ends are fixed with charging housing 41, and the equal flitch 44 in upper strata is that funnel shaped upper strata is entered with the composition cross sectional shape of upper strata stock guide 43
Expect passage 47, gap be provided between the equal flitch 44 of upper strata stock guide 43 and upper strata and the charging top plate of housing 41, it is described under
Layer stock guide 45 and lower floor's baffle plate 46 are fixed with charging housing 41, and lower floor's stock guide 45 is with the composition cross sectional shape of lower floor baffle plate 46
There is gap, described lower floor's baffle plate between funnel shaped lower floor's feeding-passage 48, the equal flitch 44 of lower floor's stock guide 45 and upper strata
There is gap between 46 and upper strata stock guide 43, the described upper end open of upper strata feeding-passage 47 corresponds to charging aperture 42, and upper strata is entered
Expect the upper end open of the lower ending opening correspondence lower floor feeding-passage 48 of passage 47, the lower ending opening of described lower floor's feeding-passage 48
The feed hopper 26 set on correspondence upper strata screen frame 21.
Even distributor is provided with the lower ending opening of upper strata feeding-passage 47, described even distributor includes refining rotating shaft
471st, refining cam 472, regulating arm 473, adjustable plate 474, adjusting screw rod 475 and adjustment axis 476, described refining rotating shaft 471
It is installed on charging housing 41, and is connected with the charging relative rotation of housing 41, refining electricity is provided with outside described charging housing 41
Machine, refining motor drives refining rotating shaft 471 to rotate, and refining cam 472, refining cam are provided with described refining rotating shaft 471
472 are contacted with the bottom surface of the upper plate of homocline layer by layer, and regulating arm 473, the phase of refining rotating shaft 471 are installed with described refining rotating shaft 471
Regulating arm 473 is rotated, adjustable plate 474, the corresponding upper strata feeding-passage 47 of adjustable plate 474 are provided with described regulating arm 473
Lower ending opening, described adjustable plate 474 is lifted in adjustment axis 476 by adjusting screw rod 475.
It is provided with blast pipe 5 in frame 1, the lower end mouth of pipe of blast pipe 5 connects net grain passage 241, described blast pipe 5
Upper end connection is arranged on the air draft passage in charging housing 41, and the side of described charging housing 41 is provided with suction opeing 6, described
Charging housing 41 in be provided with upper strata wind deflector 7 and lower floor's wind deflector 8, between upper strata wind deflector 7 and the charging top plate of housing 41
There is gap, gap, the equal flitch 44 in upper strata and charging housing 41 between described upper strata wind deflector 7 and the charging top plate of housing 41
The gap between gap, upper strata stock guide 43 and the charging top plate of housing 41 between top plate, which is interconnected, constitutes upper strata air draft passage
9, there is gap between described upper strata wind deflector 7 and lower floor's wind deflector 8, described upper strata wind deflector 7 and lower floor's wind deflector 8 it
Between gap, the gap between the equal flitch 44 of lower floor's stock guide 45 and upper strata is interconnected composition lower floor air draft passage 10, upper strata
The blast pipe 5 set in suction opeing 6 on the connection housing of air draft passage 9, the connection frame 1 of lower floor's air draft passage 10, described enters
Reversing air duct 11 is formed between lower floor's baffle plate 46 and upper strata stock guide 43 in material shell body 41, lower floor's air draft passage 10 passes through commutation
Air channel 11 connects upper strata air draft passage 9.V-type portion of lower floor 81, V-type portion of lower floor 81 and lower floor's guide are provided with lower floor's wind deflector 8
Plate 45 is connected, and lower floor's dust discharge auger 82 is provided with V-type portion of lower floor 81, and the side of charging housing 41 is provided with dust discharge passage, under
Layer V-type portion 81 is connected by lower floor's dust discharge auger 82 and is provided with upper strata V-type portion 71 on dust discharge passage, upper strata wind deflector 7, described
Upper strata dust discharge auger 72 is provided with upper strata V-type portion 71, upper strata V-type portion 71 connects dust discharge passage by upper strata dust discharge auger 72.
Described uniform measurer 23 evenly distributes material the upper sieve lattice 251 of four layers of sieve lattice group 25 of feeding, uniform dispensing
Device 23 includes framework 231, dividing plate 232, contiguous block 233 and locking device 234, the described upper end open of framework 231, framework 231
Upper end open connection feed hopper 26, be provided with multiple dividing plates 232 in framework 231, the inner chamber of framework 231 is divided into by dividing plate 232
12 ingredients mouths 235 are provided with 12 blanking channels 236, the medial surface of described framework 231, ingredients mouth 235 passes through blanking
Passage 236 connects and inclined feedboard is provided with the upper end open of framework 231, described ingredients mouth 235, feedboard closing blanking
Passage 236,12 described ingredients mouths 235 are corresponded in the upper sieve lattice 251 of different sieve lattice groups 25, the present embodiment respectively：Under 1#
Expect that passage 236,5# blanking channels 236,9# blanking channels 236 connect lower screen lattice group 25 by corresponding ingredients mouth 235 respectively
Upper sieve lattice 251；2# blanking channels 236,6# blanking channels 236,10# blanking channels 236 pass through corresponding ingredients mouth 235 respectively
Connect the upper sieve lattice 251 of middle level sieve lattice group 25；3# blanking channels 236,7# blanking channels 236,11# blanking channels 236 lead to respectively
Cross the upper sieve lattice 251 of the corresponding connection of ingredients mouth 235 bottom sieve lattice group 25；4# blanking channels 236,8# blanking channels 236,12#
Blanking channel 236 connects the upper sieve lattice 251 of upper sieve lattice group 25 by corresponding ingredients mouth 235 respectively.Described framework 231
Bottom is provided with contiguous block 233, and framework 231 is hinged on the bottom of lower floor's screen frame 22 by contiguous block 233, and the top of framework 231 leads to
Locking device 234 is crossed to lock with the top of upper strata screen frame 21.
In use, starting power drive system 3, power drive system 3 drives sieve nest 2 to do plane rotation motion, starts even
Expect motor, refining motor drives refining rotating shaft 471 to rotate, in the presence of the refining cam 472 the equal flitch 44 in upper strata constantly on
Lower swing.The suction opeing 6 of the present invention is connected into air exhauster.
Grain materials enter from charging aperture 42, enter equal through upper strata feeding-passage 47, lower floor's feeding-passage 48, feed hopper 26
Even measurer 23, then along 12 blanking channels 236 enter upper sieve lattice group 25, middle level sieve lattice group 25, lower screen lattice group 25 and
Bottom sieve lattice group 25, sieve nest 2 does plane rotation motion in the presence of power drive system 3, into four layers of sieve lattice group 25
Grain materials, are screened, grain materials are introduced on sieve lattice 251 simultaneously by four layers of sieve lattice group 25 respectively, through upper sieve lattice 251
Screening, the sieve aperture of light thin impurity from the upper sieve lattice 251 such as the small small impurities of net grain, particle and dust is fallen on lower sieve lattice 252, particle
Larger impurity enters big miscellaneous passage 241 along upper sieve lattice 251 and discharged, and the net grain and impurity into lower sieve lattice 252 are through lower sieve lattice 252
Screening, net grain flowed out from net grain passage 241, and small impurities is fallen on bottom plate 253, and entering small miscellaneous passage along bottom plate 253 discharges.
Net grain passage 241 is connected with blast pipe 5, in the presence of air exhauster, and the light thin impurity such as dust in net grain is taken out
Walk, flowed up along blast pipe 5, when air-flow enters the V-type portion 82 of lower floor of lower floor's air draft passage 10, space increase, air-flow pressure
Power diminishes, flows decrease, the light thin impurity sedimentation such as dust in air-flow, is discharged by lower floor's dust discharge auger 83, air-flow continues to flow,
During by grain materials between upper strata feeding-passage 47 and lower floor's feeding-passage 48, air-flow takes away the part ash in grain materials
Dirt and light thin impurity, then by reversing air duct 11, then by the grain materials between upper strata feeding-passage 47 and charging aperture 42
When, the part dust and light thin impurity in grain materials, when air-flow enters upper strata V-type portion 72, space increase, air-flow are taken away again
Pressure diminishes, flows decrease, the light thin impurity sedimentation such as dust in air-flow, is discharged by upper strata dust discharge auger 73.
It is noted that above-described embodiment is to the illustrative and not limiting of technical solution of the present invention, art is general
The equivalent substitution of logical technical staff or the other modifications made according to prior art, as long as not exceeding technical solution of the present invention
Thinking and scope, should be included within interest field of the presently claimed invention.
Claims (7)
1. one kind revolution combination multi-deck screen, it is characterised in that：Including frame（1）, hang in frame（1）On sieve nest（2）, it is fixed
In frame（1）The feed system at top（4）And drive sieve nest（2）Do the power drive system of plane rotation motion（3）, it is described
Sieve nest（2）Including upper strata screen frame（21）, lower floor's screen frame（22）, uniform measurer（23）, tapping channel（24）And power transmission
System（3）, described upper strata screen frame（21）Interior and upper strata screen frame（21）Inside it is provided with multi-deck screen lattice group（25）, sieve lattice group（25）
Including the upper sieve lattice set gradually from top to bottom（251）, lower sieve lattice（252）And bottom plate（253）, lower sieve lattice（252）Hole it is small
In upper sieve lattice（251）Hole, upper strata screen frame（21）With lower floor's screen frame（22）Between power drive system is set（3）, power biography
Dynamic system（3）Drive upper strata screen frame（21）And lower floor's screen frame（22）Do plane rotation motion, described upper strata screen frame（21）And under
Layer screen frame（22）Side be provided with tapping channel（24）, upper strata screen frame（21）And lower floor's screen frame（22）Opposite side set uniform
Measurer（23）, described upper strata screen frame（21）On be provided with feed hopper（26）, feed hopper（26）Connect feed system（4）With it is equal
Even measurer（23）, described uniform measurer（23）Material is evenly distributed into feeding multi-deck screen lattice group（25）Upper sieve lattice
（251）, described tapping channel（24）Including big miscellaneous passage, small miscellaneous passage and net grain passage（241）, described big miscellaneous passage connects
Logical all sieve lattice groups（25）Upper sieve lattice（251）, small miscellaneous all sieve lattice groups of passage connection（25）Bottom plate（253）, net grain passage
（241）All sieve lattice groups of connection（25）Lower sieve lattice（252）.
2. revolution combination multi-deck screen according to claim 1, it is characterised in that：Described feed system（4）Including fixation
In frame（1）The charging housing on top（41）, charging housing（41）On be provided with charging aperture（42）, feed housing（41）It is interior to set
There is upper strata stock guide（43）, the equal flitch in upper strata（44）, lower floor's stock guide（45）And lower floor's baffle plate（46）, the equal flitch in described upper strata
（44）It is hinged on charging housing（41）On, upper strata stock guide（43）Two ends and charging housing（41）It is fixed, the equal flitch in upper strata（44）
With upper strata stock guide（43）Composition cross sectional shape is funnel shaped upper strata feeding-passage（47）, upper strata stock guide（43）And upper strata is equal
Flitch（44）With charging housing（41）Gap, described lower floor's stock guide are provided between top plate（45）And lower floor's baffle plate（46）
With charging housing（41）It is fixed, lower floor's stock guide（45）With lower floor's baffle plate（46）Cross sectional shape is constituted to feed for funnel shaped lower floor
Passage（48）, lower floor's stock guide（45）With the equal flitch in upper strata（44）Between there is gap, described lower floor's baffle plate（46）With upper strata
Stock guide（43）Between there is gap, described upper strata feeding-passage（47）Upper end open correspondence charging aperture（42）, upper strata charging
Passage（47）Lower ending opening correspondence lower floor feeding-passage（48）Upper end open, described lower floor's feeding-passage（48）Lower end
Opening correspondence upper strata screen frame（21）The feed hopper of upper setting（26）.
3. revolution combination multi-deck screen according to claim 2, it is characterised in that：Described upper strata feeding-passage（47）Under
Even distributor is provided with end opening, described even distributor includes refining rotating shaft（471）, refining cam（472）, regulating arm
（473）, adjustable plate（474）, adjusting screw rod（475）And adjustment axis（476）, described refining rotating shaft（471）It is installed on into material shell
Body（41）On, and with feeding housing（41）Relatively rotate connection, described charging housing（41）It is provided with refining motor, refining outside
Motor drives refining rotating shaft（471）Rotate, described refining rotating shaft（471）On be provided with refining cam（472）, refining cam
（472）Contacted with the bottom surface of the upper plate of homocline layer by layer, described refining rotating shaft（471）On be installed with regulating arm（473）, refining rotating shaft
（471）Relative adjustment arm（473）Rotate, described regulating arm（473）On be provided with adjustable plate（474）, adjustable plate（474）Correspondence
Upper strata feeding-passage（47）Lower ending opening, described adjustable plate（474）Pass through adjusting screw rod（475）It is lifted on adjustment axis
（476）On.
4. revolution combination multi-deck screen according to claim 2, it is characterised in that：Described frame（1）On be provided with air intake
Pipe（5）, blast pipe（5）The lower end mouth of pipe connect net grain passage（241）, described blast pipe（5）Upper end connection be arranged on into
Material shell body（41）Interior air draft passage, described charging housing（41）Side be provided with suction opeing（6）, described charging housing
（41）Inside it is provided with upper strata wind deflector（7））And lower floor's wind deflector（8）, upper strata wind deflector（7）With charging housing（41）Between top plate
There is gap, described upper strata wind deflector（7）With charging housing（41）The equal flitch in gap, upper strata between top plate（44）With charging
Housing（41）Gap, upper strata stock guide between top plate（43）With charging housing（41）Gap between top plate, which is interconnected, to be constituted
Upper strata air draft passage（9）, described upper strata wind deflector（7）With lower floor's wind deflector（8）Between there is gap, described upper strata wind-guiding
Plate（7）With lower floor's wind deflector（8）Between gap, lower floor's stock guide（45）With the equal flitch in upper strata（44）Between gap mutually interconnect
Logical composition lower floor air draft passage（10）, upper strata air draft passage（9）Connect the suction opeing on housing（6）, lower floor's air draft passage（10）
Connect frame（1）The blast pipe of upper setting（5）, described charging housing（41）Interior lower floor's baffle plate（46）With upper strata stock guide
（43）Between form reversing air duct（11）, lower floor's air draft passage（10）Pass through reversing air duct（11）Connect upper strata air draft passage（9）.
5. revolution combination multi-deck screen according to claim 4, it is characterised in that：Described lower floor's wind deflector（8）It is upper to set
There is V-type portion of lower floor（81）, V-type portion of lower floor（81）With lower floor's stock guide（45）Connection, V-type portion of lower floor（81）Inside it is provided with lower floor row
Dirt auger（82）, feed housing（41）Side be provided with dust discharge passage, V-type portion of lower floor（81）Pass through lower floor's dust discharge auger（82）
Connect dust discharge passage.
6. revolution combination multi-deck screen according to claim 4, it is characterised in that：Described upper strata wind deflector（7）It is upper to set
There is upper strata V-type portion（71）, described upper strata V-type portion（71）Inside it is provided with upper strata dust discharge auger（72）, upper strata V-type portion（71）Pass through
Upper strata dust discharge auger（72）Connect dust discharge passage.
7. revolution combination multi-deck screen according to claim 1, it is characterised in that：Described uniform measurer（23）Including frame
Body（231）, dividing plate（232）, contiguous block（233）And locking device（234）, described framework（231）Upper end open, framework
（231）Upper end open connection feed hopper（26）, framework（231）Inside it is provided with multiple dividing plates（232）, dividing plate（232）By framework
（231）Inner chamber is divided into multiple vertical blanking channels（236）, described framework（231）Medial surface on be provided with multiple match somebody with somebody
Material mouth（235）, ingredients mouth（235）Pass through blanking channel（236）Connect framework（231）Upper end open, described ingredients mouth（235）
Inside it is provided with inclined feedboard, feedboard closing blanking channel（236）, described multiple ingredients mouths（235）Correspond to respectively not
Same sieve lattice group（25）Upper sieve lattice（251）, described framework（231）Bottom be provided with contiguous block（233）, framework（231）
Pass through contiguous block（233））It is hinged on lower floor's screen frame（22）Bottom, framework（231）Top passes through locking device（234）With upper strata
Screen frame（21）Lock on top.
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| CN201710672473.XA CN107225090B (en) | 2017-08-08 | 2017-08-08 | Rotary combined multi-layer screen |
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| CN108580297A (en) * | 2018-04-24 | 2018-09-28 | 吴江粮食机械有限公司 | Multiple Combination impurity removed system |
| CN108620330A (en) * | 2018-07-04 | 2018-10-09 | 郑州中粮科研设计院有限公司 | Twin-stage turns round Assembled multilayer sieve |
| CN110404756A (en) * | 2019-08-14 | 2019-11-05 | 郑州兆丰粮油机械有限公司 | A kind of screen classifying equipoment that high production capacity is easy to maintain |
| CN111632841A (en) * | 2020-06-04 | 2020-09-08 | 钱学森 | Screening device for agricultural planting seeds |
| CN113751313A (en) * | 2021-09-13 | 2021-12-07 | 江苏丰尚智能科技有限公司 | Rotary screen |
| CN108620330B (en) * | 2018-07-04 | 2024-06-11 | 郑州中粮科研设计院有限公司 | Double-stage rotary combined multi-layer screen |
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| CN111632841A (en) * | 2020-06-04 | 2020-09-08 | 钱学森 | Screening device for agricultural planting seeds |
| CN113751313A (en) * | 2021-09-13 | 2021-12-07 | 江苏丰尚智能科技有限公司 | Rotary screen |
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Effective date of registration: 20230328 Address after: 475200 West of the middle section of Jingsi Road, Qixian Industrial Cluster, Kaifeng City, Henan Province Applicant after: COFCO engineering Maosheng equipment (Henan) Co.,Ltd. Address before: 475200 middle section of Jingsi Road, Qi County, Kaifeng City, Henan Province Applicant before: KAIFENG MAOSHENG GRAIN MACHINERY Co.,Ltd. |
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