CN208643313U - Twin-stage turns round the intermediate regulations device of the exhausting system of Assembled multilayer sieve - Google Patents

Abstract

The utility model relates to a kind of intermediate regulations devices of the exhausting system of twin-stage revolution Assembled multilayer sieve, it is in the connection air duct of middle part setting connection the upper layer air draft passage and lower layer's air draft passage of the exhausting system of twin-stage revolution Assembled multilayer sieve, it connects and intermediate regulations device is set in air duct, pass through intermediate regulations device, adjust the size that connection air duct is opened, when dust in grain materials and more light thin impurity, air duct is connected by opening, it is connected to upper layer air draft passage when without feeding-passage with lower layer's air draft passage, to which lower layer's air draft passage interior air-flow completely or partially be taken away, it places the dust in lower layer's air draft passage interior air-flow and light thin impurity causes secondary pollution to the grain in feeding-passage.

Description

Twin-stage turns round the intermediate regulations device of the exhausting system of 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 intermediate regulations device of the exhausting 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.Meanwhile it is for the dust in removing grain materials and gently thin miscellaneous Matter, technical staff turn round setting charging exhausting system on combination multi-deck screen in twin-stage, turn round the grain of combination multi-deck screen in twin-stage Blast pipe is set in outlet, and blast pipe is connected to air draft passage, and the charging that air draft passage passes through twin-stage revolution Assembled multilayer sieve is logical Road, the light thin impurity in the grain of grain-export outflow is carried by air-flow to be removed, while air-flow is when by feeding-passage, by grain Light thin impurity in food material carries removal, realizes that dedusting twice removes light thin impurity, dedusting dust removal rate is high.But it is existing Charging exhausting system find in use, when dust in grain materials and more light thin impurity, ash that air-flow carries Dirt and light thin impurity are more, have little time sedimentation and directly meet with the grain materials in feeding-passage, at this point, the ash carried in air-flow Dirt and light thin impurity can cause secondary pollution to the grain materials in feeding-passage.

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 intermediate regulations device of the exhausting system of formula multi-deck screen, it be at the middle part of exhausting system, setting connection upper layer air draft passage with The connection air duct of lower layer's air draft passage connects and intermediate regulations device is arranged in air duct, by intermediate regulations device, adjusts connection wind The size that road is opened connects air duct by opening, makes upper layer air draft passage when dust in grain materials and more light thin impurity It is connected to when without feeding-passage with lower layer's air draft passage, so that lower layer's air draft passage interior air-flow completely or partially be taken away, puts It sets the dust in lower layer's air draft passage interior air-flow and light thin impurity causes secondary pollution to the grain in feeding-passage.

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

A kind of intermediate regulations device of the exhausting system of twin-stage revolution Assembled multilayer sieve, the exhausting system include into The discharging of sieve nest is arranged in air hose, lower layer's air draft passage, reversing air duct, upper layer air draft passage and suction opening, the blast pipe The side of device, the net grain outlet of the discharger of the lower ending opening connection twin-stage revolution Assembled multilayer sieve of blast pipe, under described In charging shell, the side for feeding shell is provided with suction opening for layer air draft passage, reversing air duct and the setting of upper layer air draft passage, Be provided with upper layer wind deflector, upper partition, lower partition and lower layer's wind deflector in the charging shell, upper layer wind deflector with it is upper Layer partition connection, forms upper layer air draft passage, under described between upper layer wind deflector and upper partition and the top plate for feeding shell Layer wind deflector is connect with lower partition, and lower layer's air draft passage is formed between lower layer's wind deflector and lower partition and upper layer wind deflector, Reversing air duct is formed between the intracorporal upper layer stock guide of the charging shell and lower layer's baffle, upper layer air draft passage is connected on shell Suction opening, the blast pipe that is arranged in lower layer's air draft passage connection rack, lower layer's air draft passage is connected to upper layer by reversing air duct Air draft passage, in which: upper plate is connected in the upper partition, upper plate arranges that upper plate is led with upper layer diagonally downward Form connection air duct between aerofoil, connection air duct connection upper layer air draft passage and lower layer's air draft passage, in the connection air duct Be provided with intermediate louver, the intermediate louver include middle shaft, adjust wind frame, middle tuned plate, middle adjusting rod, connecting rod and Middle screw rod, the middle shaft are installed in connection air duct, and are rotated relative to connection air duct, are provided with tune in the middle shaft Wind frame, the tune wind frame are that cross sectional shape is sector, and the middle shaft is connect with middle tuned plate, are adjusted in middle tuned plate connection Bar, the lower end of the middle adjusting rod and the upper end of connecting rod are hinged, and the lower end of connecting rod and the upper end of middle screw rod are hinged, and middle screw rod is worn In conditioning box, runner in the lower end setting of middle screw rod.

The utility model has the following beneficial effects:

The utility model is in the middle part of exhausting system, the connection of setting connection upper layer air draft passage and lower layer's air draft passage Air duct connects and intermediate regulations device is arranged in air duct, by intermediate regulations device, adjusts the size that connection air duct is opened, works as grain Dust and when more light thin impurity in food material, connects air duct by opening, upper layer air draft passage and lower layer's air draft passage is made to exist It is connected to when without feeding-passage, so that lower layer's air draft passage interior air-flow completely or partially be taken away, places in lower layer's air draft passage Dust and light thin impurity in air-flow cause secondary pollution to the grain in feeding-passage.

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, in a kind of exhausting system of twin-stage revolution Assembled multilayer sieve Between regulating device, including rack 1, hanger 2, sieve nest 3, exhausting feed system and power drive system 4, the sieve nest 3 is arranged On hanger 2, be provided with sunpender on the hanger 2, sunpender upper end and 1 ball-joint of rack, the lower end of the sunpender with hang 2 ball-joint of frame, in 2 lower end of hanger, the power drive system 4 drives hanger 2 and sieve for the setting of power drive system 4 Body 3 does plane rotation movement, and power drive system 4 includes motor 41, driving pulley 42, driven pulley 43, shaft 44 and transmission The lower end of hanger 2 is arranged in bottom plate, the transmission floor, and the lower end for being driven bottom plate is provided with shaft 44, the shaft 44 On be provided with driven pulley 43, the motor 41 is arranged on hanger 2, driving pulley 42 is provided on the main shaft of motor 41, Driving pulley 42 and driven pulley 43 pass through transmission band connection.The sieve nest 3 includes two screen boxs 5, two 5 structure phases of screen box With including cabinet 51, partition 52, uniform measurer 6 and discharger 7, the cabinet 51 is the frame structure of both-side opening, Uniform measurer 6 is arranged in one side, and discharger 7 is arranged in the other side, and the cabinet 51 is interior to be provided with two along its short transverse 51 inner cavity of cabinet is divided into three screening chambers 53, is provided with sieve lattice in the screening chamber 53 by a partition 52, two partitions 52 Group, the sieve lattice group include the upper sieve lattice 54 and lower sieve lattice 55 arranged from top to bottom in screening chamber 53, the hole of lower sieve lattice 55 Gap is less than the hole of upper sieve lattice 54, and the 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, it is provided with feed hopper 59 on the cabinet 51, the feed hopper 59 is connected to exhausting feed system and Even measurer 6, uniform measurer 6 include ingredient framework 61, ingredient partition 62, blanking plate 63,61 upper end of ingredient framework Opening, for the interior setting of ingredient framework 61 there are five ingredient partition 62,61 inner cavity of ingredient framework is divided into six by five ingredient partitions 62 A vertical blanking channel 64, there are six ingredients mouth 65, each ingredients mouths 65 for setting on the medial surface of the ingredient framework 61 It is connected to a blanking channel 64, six ingredients mouths 65 divide three layer arrangements, the corresponding three screening chambers of two ingredients mouths 65 of top layer That screening chamber 53 of top layer, the screening chamber 53 in the corresponding middle layer of two ingredients mouths 65 in middle layer, two ingredients of lower layer in 53 The screening chamber 53 of the corresponding lower layers of mouth 65.

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.

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.

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.

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.

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 (1)

1. a kind of intermediate regulations device of the exhausting system of twin-stage revolution Assembled multilayer sieve, the exhausting system includes air inlet Manage (91), lower layer's air draft passage (92), reversing air duct (93), upper layer air draft passage (94) and suction opening (95), the air inlet (91) setting is managed in the side of the discharger (7) of sieve nest (3), the lower ending opening connection twin-stage revolution combined type of blast pipe (91) is more The net grain of the discharger (7) of layer sieve exports (715), lower layer's air draft passage (92), reversing air duct (93) and upper layer exhausting Channel (94) setting is in charging shell (81), and the side of charging shell (81) is provided with suction opening (95), the charging shell It is provided with upper layer wind deflector (96), upper partition (97), lower partition (98) and lower layer's wind deflector (99) in body (81), upper layer is led Aerofoil (96) is connect with upper partition (97), the top plate of upper layer wind deflector (96) and upper partition (97) and charging shell (81) it Between form upper layer air draft passage (94), lower layer's wind deflector (99) connect with lower partition (98), lower layer's wind deflector (99) And lower layer's air draft passage (92) are formed between lower partition (98) and upper layer wind deflector (96), in the charging shell (81) Reversing air duct (93) are formed between upper layer stock guide (83) and lower layer's baffle (86), upper layer air draft passage (94) is connected on shell Suction opening (95), lower layer's air draft passage (92) are connected to the blast pipe (91) being arranged on rack (1), and lower layer's air draft passage (92) passes through Reversing air duct (93) is connected to upper layer air draft passage (94), it is characterised in that: is connected with upper plate in the upper partition (97) (931), upper plate (931) is arranged diagonally downward, and connection air duct is formed between upper plate (931) and upper layer wind deflector (96) (932), connection air duct (932) connection upper layer air draft passage (94) and lower layer's air draft passage (92), the connection air duct (932) It is inside provided with intermediate louver, the intermediate louver includes middle shaft (933), adjusts 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 on connection air duct (932) it in, and is rotated relative to connection air duct (932), is provided in the middle shaft (933) and adjusts wind frame (938), the tune Wind frame (938) is that cross sectional shape is sector, and the middle shaft (933) is connect with middle tuned plate (934), middle tuned plate (934) connection Middle adjusting rod (935), the lower end of the middle adjusting rod (935) and the upper end of connecting rod (936) are hinged, the lower end of connecting rod (936) Hinged with the upper end of middle screw rod (937), middle screw rod (937) is installed in conditioning box (929), the lower end setting of middle screw rod (937) Middle runner.