CN202778961U - Double-cross-flow draught fan three-air-flue double-deck vibrating sieve cleaning selecting device - Google Patents
Double-cross-flow draught fan three-air-flue double-deck vibrating sieve cleaning selecting device Download PDFInfo
- Publication number
- CN202778961U CN202778961U CN 201220255257 CN201220255257U CN202778961U CN 202778961 U CN202778961 U CN 202778961U CN 201220255257 CN201220255257 CN 201220255257 CN 201220255257 U CN201220255257 U CN 201220255257U CN 202778961 U CN202778961 U CN 202778961U
- Authority
- CN
- China
- Prior art keywords
- flow fan
- cross flow
- sieve
- vibratory sieve
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a double-cross-flow draught fan three-air-flue double-deck vibrating sieve cleaning selecting device which comprises a feeding mechanism, a sieving mechanism, a winnowing mechanism and a grain input mechanism. Grains to be selected are thrown from the feeding mechanism into an upper vibrating screen of the sieving mechanism to be vibrated and sieved. Long stalks and light grain miscellanies are vibrated and sieved outside the device body by the function of vibration of the sieving mechanism and high speed air stream produced by the winnowing mechanism. Grains and partial short stalks penetrate the upper vibrating sieve of the sieving mechanism and drop onto a lower vibrating sieve of the sieving mechanism then are secondary cleaned and selected by the function of the vibration of the sieving mechanism and the high speed air stream produced by the winnowing mechanism. The short stalks are discharged out of the device body. Cleaned grains enter the grain input mechanism through the lower vibrating sieve of the sieving mechanism. The double-cross-flow draught fan three-air-flue double-deck vibrating sieve cleaning selecting device has the advantages of being capable of achieving efficient sieving, cleaning and selecting of various feeding quantity, widely suitable for sieving, cleaning and selecting of various agricultural materials, high in cleaning rate of the cleaned and selected grains and low in loss rate of the grains.
Description
Technical field
The present invention relates to crops machinery cleaning plant manufacturing technology field, that a kind of pair of cross flow fan three air channel bilayers are to the sieve cleaning plant that shakes concretely, can be widely used in paddy rice, wheat, the agricultural materials such as rape, barley and beans are deviate from the high-performance of mixture and are cleaned.
Background technology
At present, what existing agricultural material cleaning mainly adopted is that air-flow adds the vibration sieve type cleaning plant, and primary structure is the Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve that adopts individual layer (bilayer) vibration sieve type that preposition centrifugal blower or preposition centrifugal blower cooperate with rearmounted cross flow fan.The air velocity of preposition centrifugal fan air outlet exists between the senior middle school of both sides low, when air-flow arrives compass screen surface, the compass screen surface air-flow exists seriously inhomogeneous, deviate from clean rate, loss late and the production efficiency of cleaning when mixture is cleaned and be difficult to meet the demands carrying out large feed quantity crops, when especially in cleaning the moist crop of the large feed quantity in south and emersion object, containing the higher crop of assorted surplus, cleaning efficiency is low, and cleaning loss percentage is high; " centrifugal blower a cleaner with double channel and application thereof " [Jiamusi University's journal (natural science edition), 1999,17(1): 20-22] the two air outlet single-deck vibrating screens of a kind of single centrifugal blower have been announced, can meet the demands when feed quantity is deviate from mixture less than the wheat of 1.5kg/s cleaning, but to clean effect when the larger paddy rice of moisture content is deviate from mixture relatively poor cleaning; " eddy current test in the combined harvester Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve cleaning room " [agricultural mechanical journal, 2010,41(12): 62-66] announced a kind of Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve of a kind of preposition single air channel centrifugal blower and rearmounted cross flow fan, on the basis of traditional preposition single centrifugal blower, thereby increase by a cross flow fan at the air outlet afterbody and increase the compass screen surface air velocity, realized that feed quantity is the cleaning of paddy rice mixture of 2kg/s, but clean still exist when feed quantity is large, percentage of impurity is high and moisture content is high super hybridization rice is deviate from mixture clean second-rate; Grain cleaning machine and Chinese patent CN2216735Y that Chinese patent CN1073317A has announced the new structure that a kind of single centrifugal blower becomes with one deck (two layers) screen banks have announced the two air channels of a kind of miniature combine after-blow formula cleaning plant, cleaning percentage of impurity less than 25%, feed quantity during less than the wheat of 2.7kg/s effect better; But the cleaning efficiency of above cleaning plant is 3kg/s to the maximum, still exists cleaning efficiency low, cleaning plant complex structure, cleaning plant vibration and the large shortcoming of noise.Along with the improvement of variety of crops and the raising of output, (mixture of deviating to be cleaned is 4～10kg/s) in the appearance of the combined harvester of large feed quantity, the aspects such as sorting performance, service behaviour, operating efficiency and reliability to existing cleaning plant have proposed Secretary, existing Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve has been difficult to satisfy the requirement of cleaning when cleaning the high-yield rice of southern high-moisture percentage and high percentage of impurity, is seriously restricting the development of large feed quantity combined harvester.
Summary of the invention
Technical problem to be solved by this invention is, overcome the technical disadvantages of above-mentioned Type Airflow Rice-Wheat Cleaning Apparatus with Centrifugal Fan-Oscillating Sieve, provide a kind of percentage of impurity that can adapt to high and moisture content is high deviates from efficiently cleaning of mixture, can realize that feed quantity is that a kind of pair of cross flow fan three air channel bilayers of 4～10kg/s are to the sieve cleaning plant that shakes.
The technical solution used in the present invention is, material to be cleaned is carried out vibration screening by throwing to the upper vibratory sieve of screening mechanism from feeding mechanism, long shoot stalk and light assorted remaining under the action of high-speed airflow that vibration and the pneumatic separator of screening mechanism produce, discharge outside the body from the upper vibratory sieve of screening mechanism, the upper vibratory sieve that seed and part short stem see through screening mechanism drops on the lower vibratory sieve of screening mechanism, the action of high-speed airflow that is produced by the vibration of screening mechanism and pneumatic separator again carries out secondary and cleans, short stem is discharged to outside the body, and the lower sieve that the cleaning seed sees through screening mechanism enters into the grain conveying machine structure.
The concrete technical scheme of the present invention is to comprise feeding mechanism, sorting mechanism, pneumatic separator, grain conveying machine structure.Feeding mechanism comprises stepped shuttle board, sawtooth and finger-like sieve, and the sawtooth vertically hung scroll is housed on the stepped shuttle board, is provided with the finger-like sieve in stepped shuttle board end; Sorting mechanism comprises vibratory sieve, lower vibratory sieve, front wheel driving rocking bar and rear drive rocking bar, and front wheel driving rocking bar and rear drive rocking bar drive upper vibratory sieve and lower vibratory sieve; Pneumatic separator comprises on air inlet, upper cross flow fan, lower cross flow fan, upper air outlet, middle air outlet, lower air outlet, the upper cross flow fan under air inducing wall, the upper cross flow fan on air inducing wall, the lower cross flow fan air inducing wall under lower minute wind tongue of minute wind tongue on air inducing wall, the lower cross flow fan, lower cross flow fan and the lower cross flow fan; The center line of upper cross flow fan and lower cross flow fan is in same vertical plane, and the upper belt pulley of upper cross flow fan is connected by belt with the lower belt pulley of lower cross flow fan; The extended line of air inducing wall and stepped shuttle board afterbody sawtooth are tangent on the upper cross flow fan of upper air outlet, and the extended line of air inducing wall and upper vibratory sieve forward terminal are tangent under the upper cross flow fan of upper air outlet; The middle air outlet of lower cross flow fan and lower air outlet are by dividing wind tongue and lower minute wind tongue of lower cross flow fan to adjust the air port size on the lower cross flow fan; The extended line of air inducing wall and upper vibratory sieve forward terminal are tangent on the lower cross flow fan of middle air outlet, and extended line and the upper vibratory sieve distal point of minute wind tongue are tangent on the lower cross flow fan of middle air outlet; Extended line and the lower vibratory sieve forward terminal of lower minute wind tongue of the lower cross flow fan of lower air outlet are tangent, and the extended line of air inducing wall and lower vibratory sieve distal point are tangent under the lower cross flow fan of lower air outlet; Air inlet is arranged in the reverse side of air outlet, the relative upper cross flow fan with lower air outlet of air outlet and lower cross flow fan; The grain conveying machine structure is positioned at the oblique below of lower air outlet.
Jaggy pitch on the sawtooth vertically hung scroll is 8mm～12mm; The vibration frequency of stepped shuttle board is 10Hz～20Hz; amplitude is 40mm～60mm; in stepped shuttle board end the finger-like sieve is housed; refer to long 200mm～300mm; IDS is 25mm～35mm; sawtooth can guarantee material constantly motion forward on stepped shuttle board; prevent the accumulation of material on stepped shuttle board; in scalariform shuttle board end the finger-like sieve is housed, makes the shake of grain mixture loose; the short stem that to grow is erected; make the surface that the grain mixture at first contacts with compass screen surface, short stem is in the paddy layer, improve and clean effect.
It is comparatively even that pneumatic separator adopts cross flow fan that vibratory sieve, lower oscillating screen air-flow are distributed at width, adopts two cross flow fans can produce more stable and larger air flow rate and air velocity.
Upper cross flow fan comprises cross flow fan blade and upper belt pulley, guarantee that the high velocity air that cross flow fan produces can arrive fully covering compass screen surface, different seed, light assorted remaining, the short stems of flotation coefficient can carry out effective selection by winnowing to the material of compass screen surface, so that can effectively be separated with the long shoot stalk.
Sorting mechanism comprises vibratory sieve, lower vibratory sieve, front wheel driving rocking bar and rear drive rocking bar, and front wheel driving rocking bar and rear drive rocking bar drive upper vibratory sieve and lower vibratory sieve; The length of upper vibratory sieve is 1500mm～2000mm, width is 1000mm～1500mm, the vibration frequency of upper vibratory sieve is 4Hz～8Hz, amplitude is 30mm～50mm, long 100mm～the 200mm of vibratory sieve on the Length Ratio of lower vibratory sieve, width is 1000mm～1500mm, and the vibration frequency of lower vibratory sieve is 5Hz～7Hz, and the amplitude of lower vibratory sieve is 20mm～40mm; Upper vibratory sieve positive pitch after the installation is 6 °～12 °, and upper vibratory sieve front end face exceeds lower vibratory sieve front end 100mm～200mm; Mounted lower vibratory sieve positive pitch is 8 °～10 °, and upper vibratory sieve and lower vibratory sieve all have positive pitch to reduce the cleaning loss of seed with the saturating sieve that accelerates seed; Lower vibratory sieve tail end exceeds vibratory sieve tail end 200mm～400mm, and upper vibratory sieve is indivedual to be dropped to when plump seed is not excluded on the lower vibratory sieve than the long 200mm～400mm of upper vibratory sieve tail end, has reduced the cleaning loss of seed.
Stepped shuttle board and upper vibratory sieve do relative motion, motion phase differs 180 °, upper vibratory sieve front end 1/4 place and lower vibratory sieve front end 1/6 place are hinged and connected by the front wheel driving rocking bar, terminal 1/4 place of terminal 1/6 place of upper vibratory sieve and lower vibratory sieve is hinged and connected by the rear drive rocking bar, front wheel driving rocking bar and rear drive rocking bar are driven by the middle part, upper vibratory sieve and lower vibratory sieve do relative motion, motion phase differs 180 °, to the be distributed with stepless action of material at upper oscillating screen, but and mutual balance portion inertia force, reduce machine vibration, be conducive to prevent the obstruction between two sieves, but also partial equilibrium inertia force.
Upper vibratory sieve adopts stamped sieve, wire gauze sieve or lip(ped) sieve form, and the hole of stamped sieve is circular hole, and Circularhole diameter is 3mm～8mm, and the wire gauze sieve sieve aperture is square, and the sieve aperture length of side is 3mm～8mm, and the lip(ped) sieve aperture is 15 °～45 °; Lower vibratory sieve adopts stamped sieve or wire gauze sieve form, and the hole of stamped sieve is circular hole, and Circularhole diameter is 4mm～6mm, the wire gauze sieve sieve aperture is square, the sieve aperture length of side is 4mm～6mm, because upper vibratory sieve cleaning load is large, seed and short stem to be cleaned are many, upper sieve aperture is large, can strengthen the saturating sieve speed of seed, improve cleaning efficiency, the sieve aperture of lower vibratory sieve is little, seed and short stem are carried out secondary clean the loss late that has reduced the seed cleaning seed, improve the clean rate of seed.
Upper belt pulley and lower pulley center are 500mm～800mm; The diameter of upper cross flow fan is 300mm～500mm, and width is 1000mm～1500mm, and rotating speed is 500rpm～600rpm, and the diameter of lower cross flow fan is 400mm～600mm, and width is 1000mm～1500mm, and rotating speed is 800rpm～1000rpm; Lower cross flow fan blade arc length is 1.2～1.5 times of upper cross flow fan blade; Upper cross flow fan and lower cross flow fan are all by counterclockwise rotating; Upper cross-flow fan structure is little, it is less to produce air flow rate and air velocity, prevent from the seed on the upper vibratory sieve is blown out outside the machine, cross flow fan is large on the structure of lower cross flow fan and the rotating ratio, the larger air flow rate that produces and Velocity Profiles therefrom air outlet and lower air outlet are applied to respectively on vibratory sieve and the lower vibratory sieve, effectively clean thereby can effectively cooperate up-down vibration to sieve.
The cross sectional shape of air inlet and air outlet all adopts rectangle, the turnover of the assurance air-flow of energy maximum area; The vertical width of air inlet is 80%～90% of upper belt pulley and lower pulley center, and the air-flow that guarantees of energy maximum enters in the cross flow fan; Air inducing wall one Bending Processing forms on upper cross flow fan upper volute and the described upper cross flow fan, under the upper cross flow fan under air inducing wall, the upper cross flow fan on spiral case, lower cross flow fan upper volute and the described lower cross flow fan air inducing wall be integrated processing, under the lower cross flow fan under spiral case and the described lower cross flow fan air inducing wall be integrated Bending Processing and form, inner walls is streamlined and inner wall smooth; Thereby guarantee the mobile smooth and easy of air-flow, reduce the energy loss of air-flow in flowing, improve the utilization rate of air-flow.
The grain conveying machine structure mainly comprises carries screw feeder and screw feeder groove; Carrying the screw feeder diameter is 200mm～300mm, and width is 1000mm～1500mm, and carrying the helical blade pitch on the screw feeder is 100mm～200mm, and carrying the screw feeder rotating speed is 200rpm～300rpm, is used for cleaning seed and is transported away fast.
The invention has the beneficial effects as follows, can realize that the high efficiency screening of deviating from mixture of 4～10kg/s feed quantity cleans, the grain cleaning rate after cleaning be higher than 99.5%, the grain loss rate is less than 0.3%, this cleaning plant has good sorting performance, service behaviour, operating efficiency and reliability, and the screening that is widely used in various agricultural materials is cleaned.
Description of drawings
Fig. 1 is that two cross flow fan three air channel bilayers are to the sieve cleaning plant structural representation that shakes.
Fig. 2 is spiral case and air inducing wall construction and the installation site schematic diagram of pneumatic separator.
Fig. 3 is upper cross flow fan and lower cross-flow fan structure and installation site schematic diagram.
Fig. 4 is upper vibratory sieve and lower Structure of Vibrating Screen and installation site schematic diagram.
Among the figure, 1, air inlet; 2, upper cross flow fan; 3, upper cross flow fan blade; 4, upper cross flow fan upper volute; 5, air inducing wall on the upper cross flow fan; 6, stepped shuttle board; 7, the screw feeder groove; 8, upper vibratory sieve; 9, the front wheel driving rocking bar; 10, the rear drive rocking bar; 11, upper air outlet; 12, middle air outlet; 13, lower air outlet; 14, lower vibratory sieve; 15, carry screw feeder; 16, lower minute wind tongue of lower cross flow fan; 17, air inducing wall under the lower cross flow fan; 18, spiral case under the lower cross flow fan; 19, lower cross flow fan; 20, lower cross flow fan blade; 21, air inducing wall on the lower cross flow fan; 22, air inducing wall under the upper cross flow fan; 23, belt; 24, upper belt pulley; 25, lower belt pulley; 26, minute wind tongue on the lower cross flow fan; 27, lower cross flow fan upper volute; 28, spiral case under the upper cross flow fan; 29, sawtooth; 30, the finger-like sieve.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
A kind of pair of cross flow fan three air channel bilayers comprise feeding mechanism, sorting mechanism, pneumatic separator, grain conveying machine structure to the sieve cleaning plant that shakes.
Feeding mechanism comprises stepped shuttle board 6, sawtooth 29 and finger-like sieve 30, and sawtooth 29 vertically hung scrolls are housed on the stepped shuttle board 6, is provided with finger-like sieve 30 in stepped shuttle board 6 ends; Sorting mechanism comprises vibratory sieve 8, lower vibratory sieve 14, front wheel driving rocking bar 9 and rear drive rocking bar 10, and front wheel driving rocking bar 9 and rear drive rocking bar 10 drive upper vibratory sieve 8 and lower vibratory sieve 14; Pneumatic separator comprises on air inlet 1, upper cross flow fan 2, lower cross flow fan 19, upper air outlet 11, middle air outlet 12, lower air outlet 13, the upper cross flow fan under air inducing wall 5, the upper cross flow fan on air inducing wall 22, the lower cross flow fan air inducing wall 17 under lower minute wind tongue 16 of minute wind tongue 26 on air inducing wall 21, the lower cross flow fan, lower cross flow fan and the lower cross flow fan; The center line of upper cross flow fan 2 and lower cross flow fan 19 is in same vertical plane, and the upper belt pulley 24 of upper cross flow fan 2 is connected by belt 23 with the lower belt pulley 25 of lower cross flow fan 19; The extended line of air inducing wall 5 and stepped shuttle board 6 afterbody sawtooth are tangent on the upper cross flow fan of upper air outlet 11, and the extended line of air inducing wall 22 and upper vibratory sieve 8 forward terminals are tangent under the upper cross flow fan of upper air outlet 11; The middle air outlet 12 of lower cross flow fan 19 adjusts air port size by on the lower cross flow fan minute wind tongue 26 with lower minute wind tongue 16 of lower cross flow fan with lower air outlet 13; The extended line of air inducing wall 21 and upper vibratory sieve 8 forward terminals are tangent on the lower cross flow fan of middle air outlet 12, and extended line and upper vibratory sieve 8 distal points of minute wind tongue 26 are tangent on the lower cross flow fan of middle air outlet 12; The extended line of lower minute wind tongue 16 of the lower cross flow fan of lower air outlet 13 and lower vibratory sieve 14 forward terminals are tangent, and the extended line of air inducing wall 17 and lower vibratory sieve 14 distal points are tangent under the lower cross flow fan of lower air outlet 13; Air inlet 1 is arranged in the reverse side of air outlet 11, air outlet 12 and lower air outlet 13 relative upper cross flow fans 2 and lower cross flow fan 19; The grain conveying machine structure is positioned at the oblique below of lower air outlet 13.
The length of upper vibratory sieve 8 is 1500mm～2000mm, and width is 1000mm～1500mm, vibratory sieve 8 long 100mm～200mm on the Length Ratio of lower vibratory sieve 14, and width is 1000mm～1500mm; Upper vibratory sieve 8 positive pitches after the installation are 6 °～12 °, and upper vibratory sieve 8 front end faces exceed lower vibratory sieve 14 front end 100mm～200mm; Mounted lower vibratory sieve 14 positive pitches are 8 °～10 °, and lower vibratory sieve 14 tail ends exceed vibratory sieve 8 tail end 200mm～400mm.
Stepped shuttle board 6 does relative motion with upper vibratory sieve 8, motion phase differs 180 °, upper vibratory sieve 8 front ends, 1/4 place and lower vibratory sieve 14 front ends 1/6 place are hinged and connected by front wheel driving rocking bar 9, upper vibratory sieve 8 terminal 1/6 places and lower vibratory sieve 14 terminal 1/4 places are hinged and connected by rear drive rocking bar 10, front wheel driving rocking bar 9 is driven by the middle part with rear drive rocking bar 10, upper vibratory sieve 8 does relative motion with lower vibratory sieve 14, and motion phase differs 180 °.
Upper vibratory sieve 8 adopts stamped sieve, wire gauze sieve or lip(ped) sieve form, and the hole of stamped sieve is circular hole, and Circularhole diameter is 3mm～8mm, and the wire gauze sieve sieve aperture is square, and the sieve aperture length of side is 3mm～8mm, and the lip(ped) sieve aperture is 15 °～45 °; Lower vibratory sieve 14 adopts stamped sieve or wire gauze sieve form, and the hole of stamped sieve is circular hole, and Circularhole diameter is 4mm～6mm, and the wire gauze sieve sieve aperture is square, and the sieve aperture length of side is 4mm～6mm.
The cross sectional shape of air inlet 1 is rectangle, and the vertical width of air inlet 1 is upper belt pulley 24 and 80%～90% of lower belt pulley 25 centre-to-centre spacing; The cross sectional shape of upper air outlet 11, middle air outlet 12 and lower air outlet 13 is rectangle.
Air inducing wall 5 one Bending Processing form on upper cross flow fan upper volute 4 and the described upper cross flow fan, under the upper cross flow fan under air inducing wall 22, the upper cross flow fan on spiral case 28, lower cross flow fan upper volute 27 and the described lower cross flow fan air inducing wall 21 be integrated processing, under the lower cross flow fan under spiral case 18 and the described lower cross flow fan air inducing wall 17 be integrated Bending Processing and form, inner walls is streamlined and inner wall smooth.
The vibration frequency of stepped shuttle board 6 is 10Hz～20Hz, amplitude is 40mm～60mm, and the vibration frequency of upper vibratory sieve 8 is 4Hz～8Hz, and amplitude is 30mm～50mm, the vibration frequency of lower vibratory sieve 14 is 5Hz～7Hz, and the amplitude of lower vibratory sieve 14 is 20mm～40mm.
Sawtooth 29 vertically hung scrolls are housed on the stepped shuttle board 6, and the jaggy pitch on sawtooth 29 vertically hung scrolls is 8mm～12mm; In stepped shuttle board 6 ends finger-like sieve 30 is housed, refers to long 200mm～300mm, IDS is 25mm～35mm.
Below in conjunction with a kind of pair cross flow fan three air channel bilayers of accompanying drawing to concrete model of the present invention the sieve cleaning plant specific implementation process of shaking is described further.
As shown in Figure 1, two cross flow fan three air channel bilayers are 10Hz～20Hz to the vibration frequency of the stepped shuttle board 6 of the sieve cleaning plant that shakes, amplitude is 40mm～60mm, and sawtooth 29 vertically hung scrolls are housed on the stepped shuttle board 6, and the jaggy pitch on sawtooth 29 vertically hung scrolls is 8mm～12mm; In stepped shuttle board 6 ends finger-like sieve 30 is housed, refers to long 200mm～300mm, IDS is 25mm～35mm; Stepped shuttle board 6 does relative motion with upper vibratory sieve 8, and motion phase differs 180 °, and the cross sectional shape of air inlet 1 is rectangle, and the vertical width of air inlet 1 is upper belt pulley 24 and 80%～90% of lower belt pulley 25 centre-to-centre spacing; The cross sectional shape of upper air outlet 11, middle air outlet 12 and lower air outlet 13 is rectangle; Carrying screw feeder 15 diameters is 200mm～300mm, and width is 1000mm～1500mm, and carrying the helical blade pitch on the screw feeder 15 is 100mm～200mm, and carrying screw feeder 15 rotating speeds is 200rpm～300rpm.
As shown in Figure 2, the extended line of air inducing wall 5 and stepped shuttle board 6 afterbody sawtooth are tangent on the upper cross flow fan of upper air outlet 11, and the extended line of air inducing wall 22 and upper vibratory sieve 8 forward terminals are tangent under the upper cross flow fan of upper air outlet 11; The middle air outlet 12 of lower cross flow fan 19 adjusts air port size by on the lower cross flow fan minute wind tongue 26 with lower minute wind tongue 16 of lower cross flow fan with lower air outlet 13; The extended line of air inducing wall 21 and upper vibratory sieve 8 forward terminals are tangent on the lower cross flow fan of middle air outlet 12, and extended line and upper vibratory sieve 8 distal points of minute wind tongue 26 are tangent on the lower cross flow fan of middle air outlet 12; The extended line of lower minute wind tongue 16 of the lower cross flow fan of lower air outlet 13 and lower vibratory sieve 14 forward terminals are tangent, and the extended line of air inducing wall 17 and lower vibratory sieve 14 distal points are tangent under the lower cross flow fan of lower air outlet 13; Air inducing wall 5 one Bending Processing form on upper cross flow fan upper volute 4 and the described upper cross flow fan, under the upper cross flow fan under air inducing wall 22, the upper cross flow fan on spiral case 28, lower cross flow fan upper volute 27 and the described lower cross flow fan air inducing wall 21 be integrated processing, under the lower cross flow fan under spiral case 18 and the described lower cross flow fan air inducing wall 17 be integrated Bending Processing and form, inner walls is streamlined and inner wall smooth.
As shown in Figure 3, the center line of upper cross flow fan 2 and lower cross flow fan 19 is in same vertical plane, and upper belt pulley 24 is connected by belt 23 with lower belt pulley 25; Upper belt pulley 24 is 500mm～800mm with lower belt pulley 25 centre-to-centre spacing; The diameter of upper cross flow fan 2 is 300mm～500mm, and width is 1000mm～1500mm, and rotating speed is 500rpm～600rpm, and the diameter of lower cross flow fan 19 is 400mm～600mm, and width is 1000mm～1500mm, and rotating speed is 800rpm～1000rpm; Lower cross flow fan blade 20 arc length are 1.2～1.5 times of upper cross flow fan blade 3; Upper cross flow fan 2 and lower cross flow fan 19 are all by counterclockwise rotating.
As shown in Figure 4, the length of upper vibratory sieve 8 is 1500mm～2000mm, and width is 1000mm～1500mm, vibratory sieve 8 long 100mm～200mm on the Length Ratio of lower vibratory sieve 14, and width is 1000mm～1500mm; Upper vibratory sieve 8 positive pitches after the installation are 6 °～12 °, and upper vibratory sieve 8 front end faces exceed lower vibratory sieve 14 front end 100mm～200mm; Mounted lower vibratory sieve 14 positive pitches are 8 °～10 °, and lower vibratory sieve 14 tail ends exceed vibratory sieve 8 tail end 200mm～400mm; The vibration frequency of upper vibratory sieve 8 is 4Hz～8Hz, and amplitude is 30mm～50mm, and the vibration frequency of lower vibratory sieve 14 is 5Hz～7Hz, and the amplitude of lower vibratory sieve 14 is 20mm～40mm; Upper vibratory sieve 8 front ends, 1/4 place and lower vibratory sieve 14 front ends 1/6 place are hinged and connected by front wheel driving rocking bar 9, upper vibratory sieve 8 terminal 1/6 places and lower vibratory sieve 14 terminal 1/4 places are hinged and connected by rear drive rocking bar 10, front wheel driving rocking bar 9 is driven by the middle part with rear drive rocking bar 10, upper vibratory sieve 8 does relative motion with lower vibratory sieve 14, and motion phase differs 180 °; Upper vibratory sieve 8 adopts stamped sieve, wire gauze sieve or lip(ped) sieve form, and the hole of stamped sieve is circular hole, and Circularhole diameter is 3mm～8mm, and the wire gauze sieve sieve aperture is square, and the length of side is 3mm～8mm, and the lip(ped) sieve aperture is 15 °～45 °; Lower vibratory sieve 14 adopts stamped sieve or wire gauze sieve form, and the hole of stamped sieve is circular hole, and Circularhole diameter is 4mm～6mm, and the wire gauze sieve sieve aperture is square, and the length of side is 4mm～6mm.
A kind of pair of cross flow fan three air channel bilayers of this model to the specific implementation process of sieve cleaning plant when cleaning agricultural material of shaking are, cross flow fan 2 in the startup, lower cross flow fan 19, stepped shuttle board 6, upper vibratory sieve 8, lower vibratory sieve 14 and conveying screw feeder 15, material to be cleaned is vibrated with air-flow to upper vibratory sieve 8 by throwing from stepped shuttle board 6 and screens, long shoot stalk and light assorted remaining at upper vibratory sieve 8 vibration screenings, and under upper cross flow fan 2 and lower cross flow fan 19 airflow functions from the afterbody of vibratory sieve 8 discharge outside the body, seed and part short stem see through upper vibratory sieve 8 and drop on the lower vibratory sieve 14, again cleaned by the vibration of lower vibratory sieve 14 and the airflow function of lower cross flow fan 19 again, short stem is discharged to outside the body from lower vibratory sieve 14 afterbodys, the cleaning seed sees through lower vibratory sieve 14 and enters in the conveying screw feeder 15, is transported away fast by carrying screw feeder 15 will clean seed.
A kind of pair of cross flow fan three air channel bilayers of this model type are to shaking the sieve cleaning plant when the high-yield rice of cleaning high-moisture percentage and high percentage of impurity is deviate from mixture, the screening cleaning efficiency is per hour 14.4～18 tons, grain cleaning rate after cleaning is greater than 99.5%, and the grain loss rate is less than 0.3%.
Claims (10)
1. two cross flow fan three air channel bilayers is characterized in that comprising feeding mechanism, sorting mechanism, pneumatic separator, grain conveying machine structure to the sieve cleaning plant that shakes;
Feeding mechanism comprises stepped shuttle board (6), sawtooth (29) and finger-like sieve (30), and sawtooth (29) vertically hung scroll is housed on the stepped shuttle board (6), is provided with finger-like sieve (30) in stepped shuttle board (6) end; Sorting mechanism comprises vibratory sieve (8), lower vibratory sieve (14), front wheel driving rocking bar (9) and rear drive rocking bar (10), vibratory sieve (8) and lower vibratory sieve (14) in front wheel driving rocking bar (9) and rear drive rocking bar (10) driving; Pneumatic separator comprises on air inlet (1), upper cross flow fan (2), lower cross flow fan (19), upper air outlet (11), middle air outlet (12), lower air outlet (13), the upper cross flow fan under air inducing wall (5), the upper cross flow fan on air inducing wall (22), the lower cross flow fan air inducing wall (17) under lower minute wind tongue (16) of minute wind tongue (26) on air inducing wall (21), the lower cross flow fan, lower cross flow fan and the lower cross flow fan; The center line of upper cross flow fan (2) and lower cross flow fan (19) is in same vertical plane, and the upper belt pulley (24) of upper cross flow fan (2) is connected by belt (23) with the lower belt pulley (25) of lower cross flow fan (19); The extended line of air inducing wall (5) and stepped shuttle board (6) afterbody sawtooth are tangent on the upper cross flow fan of upper air outlet (11), and the extended line of air inducing wall (22) and upper vibratory sieve (8) forward terminal are tangent under the upper cross flow fan of upper air outlet (11); The middle air outlet (12) of lower cross flow fan (19) and lower air outlet (13) adjust the air port size by lower minute of on the lower cross flow fan minute wind tongue (26) and lower cross flow fan wind tongue (16); The extended line of air inducing wall (21) and upper vibratory sieve (8) forward terminal are tangent on the lower cross flow fan of middle air outlet (12), and extended line and upper vibratory sieve (8) distal point of minute wind tongue (26) are tangent on the lower cross flow fan of middle air outlet (12); Extended line and lower vibratory sieve (14) forward terminal of lower minute of the lower cross flow fan of lower air outlet (13) wind tongue (16) are tangent, and the extended line of air inducing wall (17) and lower vibratory sieve (14) distal point are tangent under the lower cross flow fan of lower air outlet (13); Air inlet (1) is arranged in the reverse side of air outlet (11), the relative upper cross flow fan (2) with lower air outlet (13) of air outlet (12) and lower cross flow fan (19); The grain conveying machine structure is positioned at the oblique below of lower air outlet (13).
2. a kind of pair of cross flow fan three air channel bilayers according to claim 1 are to the sieve cleaning plant that shakes, it is characterized in that, the length of described upper vibratory sieve (8) is 1500mm～2000mm, width is 1000mm～1500mm, long 100mm～the 200mm of vibratory sieve (8) on the Length Ratio of lower vibratory sieve (14), width is 1000mm～1500mm; Upper vibratory sieve (8) positive pitch is 6 °～12 °, and upper vibratory sieve (8) front end face exceeds lower vibratory sieve (14) front end 100mm～200mm; Lower vibratory sieve (14) positive pitch is 8 °～10 °, and lower vibratory sieve (14) tail end exceeds vibratory sieve (8) tail end 200mm～400mm.
3. a kind of pair of cross flow fan three air channel bilayers according to claim 1 and 2 are to the sieve cleaning plant that shakes, it is characterized in that, described stepped shuttle board (6) does relative motion with upper vibratory sieve (8), motion phase differs 180 °, upper vibratory sieve (8) front end 1/4 place and lower vibratory sieve (14) front end 1/6 place are hinged and connected by front wheel driving rocking bar (9), terminal 1/6 place of upper vibratory sieve (8) and terminal 1/4 place of lower vibratory sieve (14) are hinged and connected by rear drive rocking bar (10), upper vibratory sieve (8) does relative motion with lower vibratory sieve (14), and motion phase differs 180 °.
4. a kind of pair of cross flow fan three air channel bilayers according to claim 1 and 2 is characterized in that the sieve cleaning plant that shakes, and described upper vibratory sieve (8) adopts stamped sieve, wire gauze sieve or lip(ped) sieve form; The hole of described stamped sieve is circular hole, and Circularhole diameter is 3mm～8mm, and the wire gauze sieve sieve aperture is square, and the sieve aperture length of side is 3mm～8mm; Described lip(ped) sieve aperture is 15 °～45 °; Lower vibratory sieve (14) adopts stamped sieve or wire gauze sieve form; The hole of described stamped sieve is circular hole, and Circularhole diameter is 4mm～6mm; Described wire gauze sieve sieve aperture is square, and the sieve aperture length of side is 4mm～6mm.
5. a kind of pair of cross flow fan three air channel bilayers according to claim 1 is characterized in that the sieve cleaning plant that shakes, and described upper belt pulley (24) is 500mm～800mm with lower belt pulley (25) centre-to-centre spacing; The diameter of upper cross flow fan (2) is 300mm～500mm, and width is 1000mm～1500mm, and rotating speed is 500rpm～600rpm, and the diameter of lower cross flow fan (19) is 400mm～600mm, and width is 1000mm～1500mm, and rotating speed is 800rpm～1000rpm; Lower cross flow fan blade (20) arc length of described lower cross flow fan (19) is 1.2～1.5 times of upper cross flow fan blade (3) of described upper cross flow fan (2); Upper cross flow fan (2) and lower cross flow fan (19) are all by counterclockwise rotating.
According to claim 1 or 5 a kind of pair of cross flow fan three air channel bilayers to the sieve cleaning plant that shakes, it is characterized in that, the cross sectional shape of described air inlet (1) is rectangle, and the vertical width of described air inlet (1) is upper belt pulley (24) and 80%～90% of lower belt pulley (25) centre-to-centre spacing; The cross sectional shape of upper air outlet (11), middle air outlet (12) and lower air outlet (13) is rectangle.
According to claim 1 or 5 a kind of pair of cross flow fan three air channel bilayers to the sieve cleaning plant that shakes, it is characterized in that, air inducing wall (5) one Bending Processing forms on upper cross flow fan upper volute (4) and the described upper cross flow fan, air inducing wall (22) under the upper cross flow fan, spiral case under the upper cross flow fan (28), air inducing wall (21) is integrated processing on lower cross flow fan upper volute (27) and the described lower cross flow fan, under the lower cross flow fan under spiral case (18) and the described lower cross flow fan air inducing wall (17) be integrated Bending Processing and form, inner walls is streamlined and inner wall smooth.
According to claim 1 or 5 a kind of pair of cross flow fan three air channel bilayers to the sieve cleaning plant that shakes, it is characterized in that, the vibration frequency of described stepped shuttle board (6) is 10Hz～20Hz, amplitude is 40mm～60mm, the vibration frequency of upper vibratory sieve (8) is 4Hz～8Hz, amplitude is 30mm～50mm, and the vibration frequency of lower vibratory sieve (14) is 5Hz～7Hz, and the amplitude of lower vibratory sieve (14) is 20mm～40mm.
9. a kind of pair of cross flow fan three air channel bilayers according to claim 1 is characterized in that the sieve cleaning plant that shakes, and the jaggy pitch on described sawtooth (29) vertically hung scroll is 8mm～12mm; Described finger-like sieve (30) refers to long 200mm～300mm, and IDS is 25mm～35mm.
10. a kind of pair of cross flow fan three air channel bilayers according to claim 1 is characterized in that the sieve cleaning plant that shakes, and described grain conveying machine structure comprises carries screw feeder (15) and screw feeder groove (7); Described conveying screw feeder (15) diameter is 200mm～300mm, and width is 1000mm～1500mm, and carrying the helical blade pitch on the screw feeder (15) is 100mm～200mm, and carrying screw feeder (15) rotating speed is 200rpm～300rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220255257 CN202778961U (en) | 2012-06-01 | 2012-06-01 | Double-cross-flow draught fan three-air-flue double-deck vibrating sieve cleaning selecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220255257 CN202778961U (en) | 2012-06-01 | 2012-06-01 | Double-cross-flow draught fan three-air-flue double-deck vibrating sieve cleaning selecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202778961U true CN202778961U (en) | 2013-03-13 |
Family
ID=47806304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220255257 Withdrawn - After Issue CN202778961U (en) | 2012-06-01 | 2012-06-01 | Double-cross-flow draught fan three-air-flue double-deck vibrating sieve cleaning selecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202778961U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688857A (en) * | 2012-06-01 | 2012-09-26 | 江苏大学 | Cleaning device with double cross-flow fans, three air passages and double-layered vibrating screens |
| CN109874514A (en) * | 2019-03-05 | 2019-06-14 | 江苏大学 | A kind of combined harvester cleaning plant of multi fan structure |
| CN110385262A (en) * | 2019-07-26 | 2019-10-29 | 云南大元昌茶业有限公司 | A kind of exclusion device and method of tea processing |
| CN111530746A (en) * | 2020-05-15 | 2020-08-14 | 河南威猛振动设备股份有限公司 | Vibration separator and separation method |
-
2012
- 2012-06-01 CN CN 201220255257 patent/CN202778961U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688857A (en) * | 2012-06-01 | 2012-09-26 | 江苏大学 | Cleaning device with double cross-flow fans, three air passages and double-layered vibrating screens |
| CN102688857B (en) * | 2012-06-01 | 2014-12-24 | 江苏大学 | Cleaning device with double cross-flow fans, three air passages and double-layered vibrating screens |
| CN109874514A (en) * | 2019-03-05 | 2019-06-14 | 江苏大学 | A kind of combined harvester cleaning plant of multi fan structure |
| CN110385262A (en) * | 2019-07-26 | 2019-10-29 | 云南大元昌茶业有限公司 | A kind of exclusion device and method of tea processing |
| CN111530746A (en) * | 2020-05-15 | 2020-08-14 | 河南威猛振动设备股份有限公司 | Vibration separator and separation method |
| CN111530746B (en) * | 2020-05-15 | 2023-12-22 | 河南威猛振动设备股份有限公司 | Vibration separator and separation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102688857B (en) | Cleaning device with double cross-flow fans, three air passages and double-layered vibrating screens | |
| CN104226598A (en) | High-efficiency cleaning device for turbo multi-duct blower | |
| CN102860182A (en) | Tangential-longitudinal-flow threshing, separating and cleaning unit | |
| CN202773468U (en) | Longitudinal flow cutting threshing separation cleaning device | |
| CN202778961U (en) | Double-cross-flow draught fan three-air-flue double-deck vibrating sieve cleaning selecting device | |
| CN107716262A (en) | Guipure equals back the method that sieve carries out grain impurity-removing | |
| CN107182453A (en) | A kind of grain cleaning system with uniform material and precleaning function | |
| CN103875371A (en) | Stepped type cross flow cutting multi-roller threshing separating and cleaning device | |
| CN105660036B (en) | A kind of list longitudinal axial flow cleaning device of combined harvester | |
| CN109013339A (en) | A kind of efficient cleaner of low damage of particulate crop | |
| CN109588121A (en) | A kind of combined harvester and its emersion object forced conveyance even distribution device | |
| CN208213680U (en) | A kind of orientation grading plant of fresh tea leaves picked by machine raw material | |
| CN108925204A (en) | A kind of harvester for peanut and its clean exclusion device | |
| CN107771535A (en) | A kind of millet cleaning plant | |
| CN201150918Y (en) | Large clearing screen and combined clearing screen | |
| CN208786935U (en) | A kind of efficient cleaner of low damage of particulate crop | |
| CN102823390A (en) | Threshing and cleaning device of longitudinal axial flow combine-harvester | |
| CN106984541A (en) | Cauline leaf separator | |
| CN103250524B (en) | Grain cleaning and separating device and combine harvester with same | |
| CN204134910U (en) | Turbine multiple duct blower fan high-efficient cleaning screening device | |
| CN112337798B (en) | Broken rice splitter of rice bran | |
| CN202713980U (en) | Threshing and cleaning device for longitudinal axial flow combine harvester | |
| CN207560832U (en) | A kind of millet cleaning plant | |
| CN109261516A (en) | A kind of combined fan formula oat kicker | |
| CN104838819A (en) | Different-speed shelling and separating device for wheat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20141224 |
|
| RGAV | Abandon patent right to avoid regrant |