CN208643316U - The exhausting feed system of twin-stage revolution Assembled multilayer sieve - Google Patents

Abstract

The utility model relates to a kind of exhausting feed systems of twin-stage revolution Assembled multilayer sieve, including feed system and exhausting system, the utility model is that blast pipe is arranged on the grain-export that twin-stage turns round combination multi-deck screen, blast pipe is connected to air draft passage, air draft passage passes through the feeding-passage of twin-stage revolution Assembled multilayer sieve, light thin impurity in the grain of grain-export outflow is carried by air-flow to be removed, air-flow is when by feeding-passage simultaneously, light thin impurity in grain materials is carried into removal, realize that dedusting twice removes light thin impurity, dedusting dust removal rate is high.

Description

The exhausting feed system of twin-stage revolution Assembled multilayer sieve

Technical field

The utility model relates to grain screening and removing impurities equipment technical fields, and in particular to a kind of twin-stage revolution modular multilevel The exhausting feed system of sieve.

Background technique

Foodstuff grain is before storage, and due to containing impurity and dust in grain, impurity is such as contained in grain and is put in storage, and can make grain Food fever is mouldy, can also make the outbound unsmooth flowing of grain, cause grain heavy losses.It therefore, must be to grain before storage It is cleared up, filters out the impurity and part dust in grain.Currently, in the market to grain carry out screening dedusting equipment it is a variety of Multiplicity, such as vibrating screen, rotary flat sieve, but existing screening cleaner, have a single function mostly, screening efficiency it is low, It is unable to satisfy the screening needs of large granary.

To solve prior art problem, technical staff develops a kind of twin-stage revolution combination multi-deck screen, the twin-stage revolution group Multi-deck screen is closed mainly on the basis of original rotary flat sieve, two screen boxs worked at the same time of setting, the interior setting of each screen box The sieve lattice that multilayer works at the same time, to effectively improve screening efficiency.But revolution combination multi-deck screen can remove in grain Granule foreign, thin impurity light for crushing straw in grain etc. generally require to reconnect cleaner removal.

Utility model content

In conclusion in order to overcome the shortcomings of that prior art problem, the utility model provide a kind of twin-stage revolution combination The exhausting feed system of formula multi-deck screen, it is that blast pipe, blast pipe is arranged on the grain-export that twin-stage turns round combination multi-deck screen Be connected to air draft passage, air draft passage pass through twin-stage revolution Assembled multilayer sieve feeding-passage, grain-export outflow grain in Light thin impurity carried and remove by air-flow, while air-flow carries the light thin impurity in grain materials when by feeding-passage Removal realizes that dedusting twice removes light thin impurity, and dedusting dust removal rate is high.

In order to solve the above technical problems, the technical solution adopted by the utility model is:

A kind of exhausting feed system of twin-stage revolution Assembled multilayer sieve, in which: including feed system and exhausting system, institute The feed system stated includes the charging shell for being fixed on the rack top of twin-stage revolution Assembled multilayer sieve, feeds and is arranged on shell There is feed inlet, feeds in shell and be provided with upper layer stock guide, upper layer sliding plate, lower layer's stock guide and lower layer's baffle, described is upper The both ends of layer sliding plate and the both ends of upper layer stock guide are fixedly connected with charging shell, the equal flitch in upper layer and upper layer guide board group It is to be all provided between funnel shaped upper layer feeding-passage, upper layer stock guide and upper layer sliding plate and charging cover top plate at cross sectional shape It is equipped with gap, lower layer's guide board ends and lower layer's baffle both ends are fixed with charging shell, lower layer's stock guide and lower layer It is funnel shaped lower layer's feeding-passage that baffle, which forms cross sectional shape, and there are gap, institutes between lower layer's stock guide and upper layer sliding plate There are gap between the lower layer's baffle stated and upper layer stock guide, the upper layer feeding-passage upper end opening corresponds to feed inlet, on The lower ending opening of layer feeding-passage corresponds to the upper end opening of lower layer's feeding-passage, the lower end setting two of lower layer's feeding-passage A discharge port, two discharge ports are separately connected the feed hopper on two screen boxs of twin-stage revolution Assembled multilayer sieve, institute It is provided with even distributor in the upper layer feeding-passage stated, discharging is provided at the lower mouth of the upper layer feeding-passage and adjusts dress It sets；

The exhausting system includes blast pipe, lower layer's air draft passage, reversing air duct, upper layer air draft passage and suction opening, The side of the discharger of twin-stage revolution Assembled multilayer sieve is arranged in the blast pipe, and the lower ending opening of blast pipe is connected to discharging The net grain of device exports, and lower layer's air draft passage, reversing air duct and the setting of upper layer air draft passage feed shell in charging shell The side of body is provided with suction opening, is provided with upper layer wind deflector, upper partition, lower partition and lower layer in the charging shell Wind deflector, upper layer wind deflector are connect with upper partition, are formed between upper layer wind deflector and upper partition and the top plate for feeding shell Upper layer air draft passage, lower layer's wind deflector are connect with lower partition, lower layer's wind deflector and lower partition and upper layer wind deflector Between formed lower layer's air draft passage, form reversing air duct between the intracorporal upper layer stock guide of the charging shell and lower layer's baffle, Upper layer air draft passage is connected to the suction opening on shell, the blast pipe being arranged in lower layer's air draft passage connection rack, and lower layer's exhausting is led to Road is connected to upper layer air draft passage by reversing air duct.

Further, the even distributor includes refining shaft, refining cam and refining plate, and the refining shaft installs It on charging shell, and relatively rotates and connects with charging shell, refining motor, refining motor are provided with outside the charging shell The rotation of refining shaft is driven, the charging intracorporal part of shell that is located at of the refining shaft is provided with refining cam, refining cam It is contacted with the bottom surface of refining plate, the refining plate upper end and charging housing hinge, the lower end of refining plate is free end.

Further, the discharging regulating device includes adjusting shaft, adjustable plate, adjusting yoke, lower adjusting screw rod and tune Save swivel nut, the adjusting shaft is installed in charging shell and opposite charging housing into rotation, the adjusting shaft be located at into The intracorporal position of material shell is provided with adjustable plate, and adjustable plate is arranged at the lower mouth of upper layer feeding-passage, the adjusting shaft One end outside charging shell is connected with adjusting yoke, and one end connection of the adjusting yoke adjusts shaft, the tune The other end for saving pull rod connects lower adjusting screw rod, and screw rod, upper screw rod and lower adjusting screw rod are provided with outside the charging shell It is connected by Adjusting bolt Adjusting screw.

Further, the cross sectional shape of the upper layer wind deflector and lower layer's wind deflector is V-type, lower layer's wind deflector and lower layer Stock guide connects, and is provided with lower layer's dust discharge auger in lower layer's wind deflector, the side for feeding shell is provided with dust discharge channel, and lower layer leads Aerofoil connects dust discharge channel by lower layer's dust discharge auger, is provided with upper layer dust discharge auger in the upper layer wind deflector, upper layer is led Aerofoil is connected to dust discharge channel by upper layer dust discharge auger.

The utility model has the following beneficial effects:

1, the utility model is that blast pipe is arranged on the grain-export that twin-stage turns round combination multi-deck screen, blast pipe connection Air draft passage, air draft passage passes through the feeding-passage of twin-stage revolution Assembled multilayer sieve, light in the grain of grain-export outflow Thin impurity is carried by air-flow to be removed, while the light thin impurity in grain materials is carried removal when by feeding-passage by air-flow, Realize that dedusting twice removes light thin impurity, dedusting dust removal rate is high.

2, in the upper layer feeding-passage of the utility model on be provided with even distributor, pass through the continuous upper bottom of equal flitch It is dynamic, play uniform blanking, meanwhile, the size of the lower ending opening in upper feeding channel is adjusted by discharging regulating device, into one Step improves uniform distribution effect, and the size for adjusting the lower ending opening in upper feeding channel is realized to be fed according to needs of production.

3, the lower end nozzle connection of the blast pipe of the utility model framework lower end of putting out cereal is arranged the outlet of net grain, blast pipe it is upper End connection setting is in the charging intracorporal air draft passage of shell, and exhaust fan is by air draft passage and blast pipe exhausting, so that net grain be gone out Light thin impurity and dust in the net grain of mouth outflow take exclusion away, reach dedusting purpose, thus keep the utility model vdiverse in function, So that the utility model is screened grain materials, clean, being classified and dust removal process, a tractor serves several purposes.

4, the air draft passage of the utility model includes upper layer air draft passage, lower layer's air draft passage and reversing air duct, blast pipe Be connected to lower layer's air draft passage and net grain channel, the light thin impurity such as dust in net grain being extracted when by lower layer's V-type portion, under Layer V-type portion space is big with respect to blast pipe, and in V-type portion, lower layer space, space increases, and air-flow velocity is slow, light thin miscellaneous in air-flow Matter settles in V-type portion, lower layer space, is discharged by lower layer's dust discharge auger, and later, air-flow enters reversing air duct commutation, and space is again It reduces, flow velocity increases, when air-flow is by lower feeding-passage and the grain materials stream in upper feeding channel, by the ash in grain materials stream Dirt and light thin impurity are taken away, and when by upper layer V-type portion, space increases again, and the dust and light thin impurity in air-flow are sunk again Drop excludes.It is novel in design to realize secondary downdraught dedusting, it is skillfully constructed.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that twin-stage turns round Assembled multilayer sieve；

Fig. 2 is the structural schematic diagram of the twin-stage revolution Assembled multilayer sieve after removing exhausting feed system；

Fig. 3 is the left view schematic diagram of Fig. 2；

Fig. 4 is the schematic top plan view of Fig. 2；

Fig. 5 is the structural schematic diagram of screen box；

Fig. 6 is the structural schematic diagram of measurer；

Fig. 7 is the structural schematic diagram of discharger；

Fig. 8 is the structural schematic diagram of exhausting feed system；

Fig. 9 is the structural schematic diagram of even distributor；

Figure 10 is the structural schematic diagram of discharging regulating device；

Figure 11 is the structural schematic diagram of air intake adjusting device；

Figure 12 is the structural schematic diagram of exhausting regulating device and intermediate louver.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of twin-stage revolution Assembled multilayer sieve, including rack 1, hanger 2, sieve nest 3, exhausting feed system and power drive system 4, the sieve nest 3 are arranged on hanger 2, set on the hanger 2 It is equipped with sunpender, sunpender upper end and 1 ball-joint of rack, the lower end of the sunpender and 2 ball-joint of hanger, the powertrain For 4 setting of system in 2 lower end of hanger, the power drive system 4 drives hanger 2 and sieve nest 3 to do plane rotation movement, power transmission System 4 includes motor 41, driving pulley 42, driven pulley 43, shaft 44 and transmission bottom plate, and the transmission floor setting is being hung The lower end of frame 2, the lower end for being driven bottom plate are provided with shaft 44, driven pulley 43, the electricity are provided in the shaft 44 Machine 41 is arranged on hanger 2, and driving pulley 42 is provided on the main shaft of motor 41, and driving pulley 42 and driven pulley 43 pass through biography Dynamic band connection.The sieve nest 3 includes two screen boxs 5, and it includes cabinet 51 that two 5 structures of screen box are identical, partition 52, is uniformly matched Glassware 6 and discharger 7, the cabinet 51 are the frame structure of both-side opening, and uniform measurer 6 is arranged in one side, another Discharger 7 is arranged in side, and the cabinet 51 is interior, and along the setting of its short transverse, there are two partitions 52, and two partitions 52 will be in cabinet 51 Chamber is divided into three screening chambers 53, and sieve lattice group is provided in the screening chamber 53, and the sieve lattice group is included in screening chamber 53 The upper sieve lattice 54 and lower sieve lattice 55 inside arranged from top to bottom, the hole of lower sieve lattice 55 are less than the hole of upper sieve lattice 54, and described is upper Sieve lattice 54 and lower sieve lattice 55 will screen chamber 53 and are divided into big miscellaneous chamber 56, net grain chamber 57 and small miscellaneous chamber 58, set on the cabinet 51 It is equipped with feed hopper 59, the feed hopper 59 is connected to exhausting feed system and uniform measurer 6, and uniform measurer 6 includes ingredient Framework 61, ingredient partition 62, blanking plate 63,61 upper end opening of ingredient framework, there are five match the interior setting of ingredient framework 61 Expect that 61 inner cavity of ingredient framework is divided into six vertical blanking channels 64, the ingredient by partition 62, five ingredient partitions 62 There are six ingredients mouths 65, each ingredients mouth 65 to be connected to a blanking channel 64, six ingredients mouths for setting on the medial surface of framework 61 65 point of three layer arrangement, two ingredients mouths 65 of top layer corresponding three are screened that screening chamber 53 of top layer in chamber 53, middle layer The corresponding middle layer of two ingredients mouths 65 screening chamber 53, the screening chamber 53 of the corresponding lower layer of two ingredients mouths 65 of lower layer.

The ingredients mouth 65 is connected to the upper end opening of ingredient framework 61, the upper end of ingredient framework 61 by blanking channel 64 Open communication feed hopper 59, blanking plate 63 is provided in the ingredients mouth 65, and the blanking plate 63 will 65 lower section of ingredients mouth Blanking channel 64 close, the cabinet 51 of the side of the ingredient framework 61 and screen box 5 is hinged, the other side of ingredient framework 61 It is compressed by the cabinet 51 of pressing device and screen box 5.Pressing device includes the pressed seat 66 being fixed between two screen boxs 5, institute Clamping screw 67 is hinged on the pressed seat 66 stated, one end of the clamping screw 67 and pressed seat 66 are hinged, clamping screw 67 other end is provided with clamp nut 68, and the clamping screw 67 is arranged between two screen boxs 5, the clamping screw 67 are installed in pressure plate 69.Clamp nut 68 is tightened, it can be same by the uniform measurer 6 on two screen boxs 5 by pressure plate 69 When compress.

As shown in fig. 7, discharger 7 includes discharging framework 71, framework of putting out cereal 72, big miscellaneous pipe 73, small miscellaneous pipe 74, big miscellaneous partition 75, small miscellaneous partition 76 and plate 77 of putting out cereal, the side of the discharging framework 71 and the cabinet 51 of screen box 5 are hinged, and discharge framework 71 The other side compressed by pressing device and screen box 5, the pressing device is identical as the pressing device structure on uniform measurer 6, There are two small miscellaneous partitions 76, two miscellaneous partitions 52 to correspond to the partition in the cabinet 51 of screen box 5 for setting in the discharging framework 71 52, discharging framework 71 is divided into three discharging chambers 78 by two small miscellaneous partition 76, is arranged from top to bottom in the discharging chamber 78 There are big miscellaneous partition 75 and plate 77 of putting out cereal, big miscellaneous partition 75 is corresponding with the upper sieve lattice 54 in cabinet 51, puts out cereal in plate 77 and cabinet 51 Lower sieve lattice 55 it is corresponding, discharging chamber 78 is divided into big miscellaneous discharging bin 79 by big miscellaneous partition 75 and plate 77 of putting out cereal, goes out silo 710 and small Miscellaneous discharging bin 711, the 71 inside two sides of discharging framework are provided with big miscellaneous pipe 73 and small miscellaneous pipe 74, the big miscellaneous partition 75 On be provided with big miscellaneous outlet 712, big miscellaneous discharging bin 79 is connected to big miscellaneous pipe 73, the small miscellaneous partition 76 by big miscellaneous outlet 712 On be provided with small miscellaneous outlet 713, the small miscellaneous discharging bin 711 passes through the small miscellaneous 713 small miscellaneous pipes 74 of connection of outlet, the discharging The outside of framework 71 is provided with framework 72 of putting out cereal, and grain outlet 714, the grain outlet are provided in the discharging framework 71 714 are connected to out silo 710 and framework 72 of putting out cereal, and net grain outlet 715 is arranged in 72 lower end of framework of putting out cereal.In big miscellaneous discharging bin 79, go out Be provided with stock guide 716 in silo 710 and in small miscellaneous discharging bin 711, the stock guide 716 in the big miscellaneous discharging bin 79 by One side of big miscellaneous discharging bin 79 is to big miscellaneous 712 inclination of outlet, and the stock guide 716 gone out in silo 710 is by going out silo 710 Two sides are tilted to grain outlet 714, the stock guide 716 in the small miscellaneous discharging bin 711 from it is small it is miscellaneous go out silo 710 a side to small Miscellaneous 713 inclination of outlet.

As shown in Figure 8, Figure 9, the top of rack 1, including feed system 8 and exhausting is arranged in the exhausting feed system System 9, the feed system 8 be fixed on 1 top of rack charging shell 81, charging shell 81 on be provided with feed inlet 82, It is provided with upper layer stock guide 83, upper layer sliding plate 84, lower layer's stock guide 85 and lower layer's baffle 86 in charging shell 81, described is upper The both ends of layer sliding plate 84 and the both ends of upper layer stock guide 83 are fixedly connected with charging shell 81, upper layer sliding plate 84 and upper layer It is funnel shaped upper layer feeding-passage 87, upper layer stock guide 83 and upper layer sliding plate 84 and charging that stock guide 83, which forms cross sectional shape, Be provided with gap between 81 top plate of shell, 85 both ends of lower layer's stock guide and 86 both ends of lower layer's baffle with charging shell 81 is fixed, and lower layer's stock guide 85 and the composition cross sectional shape of lower layer's baffle 86 are funnel shaped lower layer's feeding-passage 88, lower layer's guide There are gaps between plate 85 and upper layer sliding plate 84, and there are gap, institutes between lower layer's baffle 86 and upper layer stock guide 83 87 upper end opening of upper layer feeding-passage stated corresponds to feed inlet 82, and it is logical that the lower ending opening of upper layer feeding-passage 87 corresponds to lower layer's charging Two discharge ports, two discharge ports difference is arranged in the upper end opening in road 88, the lower end of lower layer's feeding-passage 88 The feed hopper 59 on two screen boxs 5 is connected, even distributor is provided in the upper layer feeding-passage 87, even distributor includes even Expect that shaft 89, refining cam 810 and refining plate 811, the refining shaft 89 are installed on charging shell 81, and with charging shell Body 81 relatively rotates connection, and refining motor is provided with outside the charging shell 81, and refining motor drives refining shaft 89 to rotate, The part of the refining shaft 89 being located in charging shell 81 is provided with refining cam 810, refining cam 810 and refining plate 811 bottom surface contact, 811 upper end of refining plate and charging shell 81 are hinged, and the lower end of refining plate 811 is free end.

It is provided with even distributor in the upper layer feeding-passage of the utility model, passes through the continuous upper bottom of equal flitch 811 It is dynamic, play uniform blanking.

As shown in Figure 10, discharging regulating device is provided at the lower mouth of upper layer feeding-passage 87, discharging regulating device includes Adjust shaft 812, adjustable plate 813, adjusting yoke 814, lower adjusting screw rod 815 and Adjusting bolt Adjusting screw 816, the adjusting shaft 812 are installed in charging shell 81 and rotate relative to charging shell 81, and the adjusting shaft 812 is located in charging shell 81 Position is provided with adjustable plate 813, and adjustable plate 813 is arranged at the lower mouth of upper layer feeding-passage 87, the adjusting shaft 812 One end outside charging shell 81 is connected with adjusting yoke 814, and one end connection of the adjusting yoke 814 adjusts shaft 812, the other end of the adjusting yoke 814 connects lower adjusting screw rod 815, and screw rod is provided with outside the charging shell 81 817, upper screw rod 817 is connect with lower adjusting screw rod 815 by Adjusting bolt Adjusting screw 816.Upper layer charging is adjusted by discharging regulating device The size of the lower ending opening in channel 87 further increases uniform distribution effect, adjusts the lower ending opening of upper layer feeding-passage 87 Size is realized to be fed according to needs of production.

As shown in figure 8, exhausting system 9 is logical including blast pipe 91, lower layer's air draft passage 92, reversing air duct 93, upper layer exhausting The side of the discharger 7 of sieve nest 3 is arranged in road 94 and suction opening 95, the blast pipe 91, and the lower ending opening of blast pipe 91 connects The lower end feed opening in the net grain channel of pass-out glassware 7, lower layer's air draft passage 92, reversing air duct 93 and upper layer air draft passage In charging shell 81, the side of charging shell 81 is provided with suction opening 95 for 94 settings, is provided in the charging shell 81 Upper layer wind deflector 96, upper partition 97, lower partition 98 and lower layer's wind deflector 99, upper layer wind deflector 96 and upper partition 97 connect It connects, upper layer air draft passage 94 is formed between upper layer wind deflector 96 and upper partition 97 and the top plate for feeding shell 81, under described Layer wind deflector 99 is connect with lower partition 98, forms lower layer between lower layer's wind deflector 99 and lower partition 98 and upper layer wind deflector 96 Air draft passage 92 forms reversing air duct 93 between the upper layer stock guide 83 and lower layer's baffle 86 in the described charging shell 81, on Layer air draft passage 94 is connected to the suction opening 95 on shell, and lower layer's air draft passage 92 is connected to the blast pipe 91 being arranged in rack 1, lower layer Air draft passage 92 is connected to upper layer air draft passage 94 by reversing air duct 93.

The cross sectional shape of upper layer wind deflector 96 and lower layer's wind deflector 99 is V-type, lower layer's wind deflector 99 and lower layer's stock guide 85 connect, and lower layer's dust discharge auger 910 is provided in lower layer's wind deflector 99, and the side of charging shell 81 is provided with dust discharge channel, under Layer wind deflector 99 connects dust discharge channel by lower layer's dust discharge auger 910, is provided with upper layer dust discharge in the upper layer wind deflector 96 Auger 911, upper layer wind deflector 96 are connected to dust discharge channel by upper layer dust discharge auger 911.

As shown in figure 12, it being connected with upper plate 931 in the upper partition 97, upper plate 931 is arranged diagonally downward, on Connection air duct 932 is formed between connecting plate 931 and upper layer wind deflector 96, and middle tone wind dress is provided in the connection air duct 932 Set, the intermediate louver include middle shaft 933, adjust wind frame 938, middle tuned plate 934, middle adjusting rod 935, connecting rod 936 and Middle screw rod 937, the middle shaft 933 are installed in connection air duct 932, and are rotated relative to connection air duct 932, the transfer It is provided on axis 933 and adjusts wind frame 938, the tune wind frame 938 is that cross sectional shape is fan-shaped, described middle shaft 933 and middle tune Plate 934 connects, and adjusting rod 935 in the middle connection of tuned plate 934, the lower end of the middle adjusting rod 935 and the upper end of connecting rod 936 are cut with scissors It connects, the lower end of connecting rod 936 and the upper end of middle screw rod 937 are hinged, and middle screw rod 937 is installed in conditioning box 929, middle screw rod 937 Runner in the setting of lower end.By intermediate regulations device, the size of connection air duct unlatching is adjusted, it is when dust in grain materials and gently thin When impurity is more, air duct is connected by opening, is connected to upper layer air draft passage when without feeding-passage with lower layer's air draft passage, To completely or partially taking lower layer's air draft passage interior air-flow away, dust in lower layer's air draft passage interior air-flow and light thin miscellaneous is placed Grain in confrontation feeding-passage causes secondary pollution.

As shown in figure 11, air intake adjusting device is provided in blast pipe 91, the air intake adjusting device includes upper spacer 912, upper adjusting shaft 913, upper adjustable plate 914, upper adjusting screw rod 915, upper adjusting seat 916, lower adjustable plate 917, adjusting sliding slot 918, push rod 919, lower adjusting shaft 920 and lower adjusting jackscrew 921, the upper spacer 912 are adjusted and is vertically arranged in blast pipe 91 top is coated in the blast pipe 91 under the upper spacer 912 and adjusts shaft 913, the upper adjusting shaft 913 On be hingedly connected with adjustable plate 914, upper adjusting seat 916, spiral shell in upper adjusting seat 916 are connected on the upper adjustable plate 914 Line is connected with adjusting screw rod 915, and the upper adjusting screw rod 915 is connect with blast pipe 91 by bearing, upper adjusting screw rod 915 One end outside blast pipe 91 is provided with upper adjusting handle 922,914 lower end of upper adjustable plate and lower adjustable plate 917 Upper end is hinged, and the lower part of the lower adjustable plate 917, which is provided with, adjusts sliding slot 918, adjusts sliding slot 918 and is vertically arranged, adjusts and slide Be provided with slide-bar in slot 918, the slide-bar is arranged in the upper end for adjusting push rod 919, the lower end of the adjusting push rod 919 with Lower adjusting shaft 920 is hinged, and the lower adjusting shaft 920 and blast pipe 91, which relatively rotates, to be connected, the lower adjusting shaft Push plate is provided on 920, the push plate is connect with lower adjusting jackscrew 921, and the lower adjusting jackscrew 921 is installed on blast pipe It on 91, and is threadedly coupled with blast pipe 91, one end that the lower adjusting jackscrew 921 is located at outside blast pipe 91 is provided with lower adjusting Handwheel 923.

As shown in figure 12, exhausting regulating device is provided in the suction opening 95, the exhausting regulating device includes Air regulating board 924 adjusts wind shaft 925, connecting plate 926, upper connecting rod 927, middle connecting rod 928, conditioning box 929 and lower screw rod 930, described The side of rack 1 is arranged in conditioning box 929, and the tune wind shaft 925 is installed in suction opening 95, and can be with respect to suction opening 95 rotate, and air regulating board 924 and connecting plate 926, the connecting plate 926 and upper connecting rod 927 are provided on the tune wind shaft 925 Top connection, the lower end of the upper connecting rod 927 and the upper end of middle connecting rod 928 are hinged, the lower end of middle connecting rod 928 and lower screw rod 930 upper end is hinged, and the lower screw rod 930 is installed in conditioning box 929, and is threadedly coupled with conditioning box 929, under described The lower end of screw rod 930 is provided with tune wind wheel.

By changing the size of the ventilation section of blast pipe 91 and suction opening 95, the adjusting to air quantity, air inlet adjustment are realized Device and exhausting regulating device cooperate, thus in the case where exhaust fan power is constant, according to dust in grain materials and The size of light thin impurity adjusts air volume in real time.

In use, starting motor 41, motor 41 drives hanger 2 to do plane rotation movement by V belt translation, to drive sieve Body 3 does plane rotation movement.Grain materials enter from feed inlet 82, and 81 upper end of charging shell of the utility model is settable multiple Feed inlet 82, the material entered from feed inlet 82 enters lower layer's feeding-passage 88 along upper layer feeding-passage 87, then feeds from lower layer Channel 88 is flowed out from two discharge ports, respectively enters the feed hopper 59 on two screen boxs 5, enters uniform measurer from feed hopper 59 6, then from the upper sieve lattice 54 that six blanking channels 64 respectively enter in three screening chambers 53, transported in the plane rotation of sieve nest 3 It under movement is used, is screened through upper sieve lattice 54, the light thin impurity such as the small small impurity of net grain, particle and dust is fallen from the sieve pore of upper sieve lattice 54 Enter on lower sieve lattice 55, big miscellaneous discharging bin 79 of the biggish impurity of particle in the discharging chamber 78 that upper sieve lattice 54 enter discharger 7, Enter big miscellaneous pipe 73 under the action of stock guide 716, be discharged from big miscellaneous pipe 73, into the lower net grain for sieving lattice 55 and impurity through lower sieve lattice 55 screening, net grain go out silo 710 in the discharging chamber 78 that lower sieve lattice 55 enter discharger 7, then enter from grain outlet 714 Net 715 outflow of grain outlet is arranged from 72 lower end of framework of putting out cereal in framework of putting out cereal 72, and small impurity is fallen on the partition 52 in screen box 5, edge Partition 52 enters the small miscellaneous discharging bin 711 in the discharging chamber 78 of discharger 7, and small miscellaneous pipe 74 is entered under the action of stock guide 716, It is discharged from small miscellaneous pipe 74.

Blast pipe 91 is connected to the net grain for 72 lower end of framework of putting out cereal outlet 715, ash under the action of exhaust fan, in net grain Dirt and light thin impurity are pumped, and are flowed up along blast pipe 91, air-flow passes through hole between upper partition 97 and lower partition 98 Entering at lower layer's wind deflector 99 of lower layer's air draft passage 92 afterwards, the cross sectional shape of lower layer's wind deflector 99 is V-type, and space increases, Stream pressure becomes smaller, flows decrease, and the light thin impurity sedimentation such as dust in air-flow is discharged by lower layer's dust discharge auger 910, air-flow after Afterflow is dynamic, and when by grain materials between upper layer feeding-passage 87 and lower layer's feeding-passage 88, air-flow is taken away in grain materials Part dust and light thin impurity, then pass through reversing air duct 93, using between upper layer feeding-passage 87 and feed inlet 82 When grain materials, the part dust and light thin impurity, air-flow taken away in grain materials again enter at upper layer wind deflector 96, upper layer The cross sectional shape of wind deflector 96 is also V-type, then in the V-type of upper layer wind deflector 96, space increases again, stream pressure becomes smaller, Flows decrease, the light thin impurity sedimentation such as dust in air-flow, is discharged by upper layer dust discharge auger 911.

Air intake adjusting device is set in blast pipe 91, and by operating upper adjusting handle 922, upper adjusting screw rod 915 is rotated, then Move upper adjusting seat 916 along upper adjusting screw rod 915, so that the relatively upper shaft 913 that adjusts of upper adjustable plate 914 is pushed to swing, from And the angle of upper adjustable plate 914 is adjusted, the sectional area of the air intake passage of blast pipe 91 is controlled, to adjust the size of the amount of progress. Operating lower adjusting handle 923 can be such that lower adjusting shaft 920 rotates relative to blast pipe 91, to make to adjust 919 relative adjustment of push rod Sliding slot 918 moves up and down, so that lower adjustable plate 917 be pushed to swing around the articulated shaft of itself and upper adjustable plate 914, passes through lower adjusting Plate 917 adjusts the sectional area of the air intake passage of 91 lower part of blast pipe, to adjust the size of intake.It in actual use can root According to how much adjusting intakes of the dust in grain materials.

It is provided with exhausting regulating device in the suction opening 95 of the utility model, adjusts wind wheel to make 930 turns of lower screw rod by rotation It is dynamic, it pulls connecting plate 926 to swing by middle connecting rod 928 and upper connecting rod 927, adjusts wind shaft 925 to rotate to drive, to make to adjust wind Air regulating board 924 in shaft 925 rotates, and by adjusting the angle of air regulating board 924, adjusts the sectional area of suction opening 95, reaches tune The purpose of air force is saved, when air regulating board 924 is arranged vertically, suction opening 95 is shut, when air regulating board 924 is horizontally disposed, air quantity It is maximum.

Upper plate 931 is connected in the upper partition 97 of the utility model, upper plate 931 is arranged diagonally downward, upper plate Connection air duct 932 is formed between 931 and upper layer wind deflector 96, is connected in air duct 932 and is provided with intermediate louver, passes through middle hand Wheel rotates middle screw rod 937, and under the action of middle adjusting rod 935 and connecting rod 936, tuned plate 934 is rotated in pulling, to make transfer Axis 933 rotates, and drives and wind frame 938 is adjusted to rotate, and adjusting wind frame 938 is sector, adjusts the change of 938 angle of wind frame that connection air duct can be achieved 932 block or open, when the amount of dust in grain is big, can open connection air duct, air-flow is no longer pass through grain materials, can Directly enter between upper partition 97 and charging shell 81 from connection air duct 932, is extracted out from suction opening 95.

Setting discharging regulating device at the lower mouth of the upper layer feeding-passage 87 of the utility model, by rotating Adjusting bolt Adjusting screw 816, the distance between adjusting yoke 814 and lower adjusting screw rod 815 are adjusted, thus 812 turns of 813 relative adjustment shaft of adjustable plate It is dynamic, so as to adjust the distance between adjustable plate 813 and upper layer sliding plate 84, opened so as to adjust the lower mouth of upper layer feeding-passage 87 Mouth size, so as to adjust the size of grain materials discharge quantity.

It is provided with even distributor in the upper layer feeding-passage 87 of the utility model, by refining motor, refining motor is driven Refining shaft 89 rotates, to make refining cam 810 rotate, to make refining plate 811 swing back and forth, from upper layer feeding-passage 87 The grain materials of whereabouts are spread out under the action of refining plate 811, reach uniform blanking purpose.

It is noted that above-described embodiment is the affiliated technology neck to the illustrative and not limiting of technical solutions of the utility model The equivalent replacement of domain those of ordinary skill or the other modifications made according to the prior art, as long as not exceeding the utility model skill The thinking and range of art scheme, should be included within interest field required by the utility model.

Claims (4)

1. a kind of exhausting feed system of twin-stage revolution Assembled multilayer sieve, it is characterised in that: including feed system (8) and exhausting System (9), the feed system (8) include the charging shell for being fixed on rack (1) top of twin-stage revolution Assembled multilayer sieve Body (81) feeds and is provided with feed inlet (82) on shell (81), is provided with upper layer stock guide (83), upper layer in charging shell (81) Sliding plate (84), lower layer's stock guide (85) and lower layer's baffle (86), the both ends of the upper layer sliding plate (84) and upper layer guide The both ends of plate (83) are fixedly connected with charging shell (81), and the equal flitch in upper layer is with upper layer stock guide (83) composition cross sectional shape Between funnel shaped upper layer feeding-passage (87), upper layer stock guide (83) and upper layer sliding plate (84) and charging shell (81) top plate It is provided with gap, lower layer's stock guide (85) both ends and lower layer's baffle (86) both ends are fixed with charging shell (81), Lower layer's stock guide (85) and lower layer's baffle (86) composition cross sectional shape are funnel shaped lower layer's feeding-passage (88), lower layer's stock guide (85) there are gaps between upper layer sliding plate (84), between existing between lower layer's baffle (86) and upper layer stock guide (83) Gap, described upper layer feeding-passage (87) upper end opening correspond to feed inlet (82), the lower ending opening pair of upper layer feeding-passage (87) The upper end opening of lower layer's feeding-passage (88) is answered, two discharge ports are arranged in the lower end of lower layer's feeding-passage (88), described Two discharge ports be separately connected twin-stage revolution Assembled multilayer sieve two screen boxs (5) on feed hopper (59), described is upper It is provided with even distributor in layer feeding-passage (87), discharging is provided at the lower mouth of the upper layer feeding-passage (87) and adjusts dress It sets；

The exhausting system (9) includes that blast pipe (91), lower layer's air draft passage (92), reversing air duct (93), upper layer exhausting are logical The one of the discharger (7) of twin-stage revolution Assembled multilayer sieve is arranged in road (94) and suction opening (95), the blast pipe (91) The net grain of side, lower ending opening connection discharger (7) of blast pipe (91) exports (715), and lower layer's air draft passage (92) changes To air duct (93) and upper layer air draft passage (94) setting in charging shell (81), the side of charging shell (81) is provided with exhausting Mouthful (95), be provided in the charging shell (81) upper layer wind deflector (96), upper partition (97), lower partition (98) and under Layer wind deflector (99), upper layer wind deflector (96) connect with upper partition (97), upper layer wind deflector (96) and upper partition (97) and It feeds and forms upper layer air draft passage (94) between the top plate of shell (81), lower layer's wind deflector (99) and lower partition (98) Connection forms lower layer's air draft passage (92) between lower layer's wind deflector (99) and lower partition (98) and upper layer wind deflector (96), institute Reversing air duct (93) are formed between the upper layer stock guide (83) and lower layer's baffle (86) in charging shell (81) stated, upper layer exhausting Channel (94) is connected to the suction opening (95) on shell, and lower layer's air draft passage (92) is connected to the blast pipe (91) being arranged on rack (1), Lower layer's air draft passage (92) passes through reversing air duct (93) connection upper layer air draft passage (94).

2. the exhausting feed system of twin-stage revolution Assembled multilayer sieve according to claim 1, it is characterised in that: described Even distributor includes refining shaft (89), refining cam (810) and refining plate (811), and the refining shaft (89) is installed on It feeds on shell (81), and relatively rotates and connect with charging shell (81), refining electricity is provided with outside the charging shell (81) Machine, refining motor drive refining shaft (89) rotation, the part of the refining shaft (89) being located in charging shell (81) It is provided with refining cam (810), refining cam (810) is contacted with the bottom surface of refining plate (811), on the refining plate (811) Hingedly with charging shell (81), the lower end of refining plate (811) is free end at end.

3. the exhausting feed system of twin-stage revolution Assembled multilayer sieve according to claim 1, it is characterised in that: described The regulating device that discharges includes adjusting shaft (812), adjustable plate (813), adjusting yoke (814), lower adjusting screw rod (815) and adjusting Swivel nut (816), the adjusting shaft (812) is installed in charging shell (81) and rotates relative to charging shell (81), described Adjusting shaft (812) be located at charging shell (81) in position be provided with adjustable plate (813), adjustable plate (813) be arranged upper At the lower mouth of layer feeding-passage (87), the one end of charging shell (81) outside that is located at of the adjusting shaft (812) is connected with tune It saves pull rod (814), one end connection of the adjusting yoke (814) adjusts shaft (812), the adjusting yoke (814) The other end connects lower adjusting screw rod (815), is provided with screw rod (817) outside the charging shell (81), upper screw rod (817) with Lower adjusting screw rod (815) is connected by Adjusting bolt Adjusting screw (816).

4. the exhausting feed system of twin-stage revolution Assembled multilayer sieve according to claim 1, it is characterised in that: described The cross sectional shape of upper layer wind deflector (96) and lower layer's wind deflector (99) is V-type, lower layer's wind deflector (99) and lower layer's stock guide (85) it connects, lower layer's dust discharge auger (910) is provided in lower layer's wind deflector (99), the side of charging shell (81) is provided with dust discharge Channel, lower layer's wind deflector (99) connect dust discharge channel by lower layer's dust discharge auger (910), set in the upper layer wind deflector (96) It is equipped with upper layer dust discharge auger (911), upper layer wind deflector (96) is connected to dust discharge channel by upper layer dust discharge auger (911).