CN208643312U - The volume adjusting apparatus of twin-stage revolution Assembled multilayer sieve - Google Patents

Abstract

The utility model relates to a kind of volume adjusting apparatus of twin-stage revolution Assembled multilayer sieve, including air intake adjusting device and exhausting regulating device, the air intake adjusting device is arranged in the blast pipe of the exhausting system of twin-stage revolution Assembled multilayer sieve, the exhausting regulating device is arranged in the suction opening of the exhausting system of twin-stage revolution Assembled multilayer sieve, the utility model is that air intake adjusting device is arranged in the blast pipe of the charging exhausting system of twin-stage revolution Assembled multilayer sieve, exhausting regulating device is set in the suction opening of the charging exhausting system of twin-stage revolution Assembled multilayer sieve, by the size for changing the ventilation section of blast pipe and suction opening, realize the adjusting to air quantity, to in the case where exhaust fan power is constant, adjust the size of intake in real time according to the size of dust in grain materials and light thin impurity.

Description

The volume adjusting apparatus 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 volume adjusting apparatus 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, after the installation is completed, air force can not be adjusted exhaust fan, when dust in grain materials and light thin impurity compared with When more, dedusting needs often are unable to satisfy because air quantity is small, cause dust and light thin impurity removal effect bad, and work as grain Material is cleaner, and when dust and less light thin impurity, the air quantity of exhaust fan is big, causes energy waste.

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 volume adjusting apparatus of formula multi-deck screen, it is arranged in the blast pipe of the charging exhausting system of twin-stage revolution Assembled multilayer sieve Exhausting regulating device is arranged in the suction opening of the charging exhausting system of twin-stage revolution Assembled multilayer sieve in air intake adjusting device, By changing the size of the ventilation section of blast pipe and suction opening, the adjusting to air quantity is realized, thus constant in exhaust fan power In the case where, adjust the size of intake in real time according to the size of dust in grain materials and light thin impurity.

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

A kind of volume adjusting apparatus of twin-stage revolution Assembled multilayer sieve, in which: including air intake adjusting device and exhausting tune Regulating device, the air intake adjusting device is arranged in the blast pipe of the exhausting system of twin-stage revolution Assembled multilayer sieve, described Exhausting regulating device be arranged in twin-stage revolution Assembled multilayer sieve exhausting system suction opening in, the air inlet adjustment Device includes upper spacer, upper adjusting shaft, upper adjustable plate, upper adjusting screw rod, upper adjusting seat, lower adjustable plate, adjusts sliding slot, adjusts Push rod, lower adjusting shaft and lower adjusting jackscrew, the upper spacer are vertically arranged in the top of blast pipe, under the upper spacer Blast pipe in be coated with adjusting shaft, adjustable plate, the upper adjusting are hingedly connected in the upper adjusting shaft Upper adjusting seat is connected on plate, upper adjusting seat internal screw thread is connected with adjusting screw rod, and the upper adjusting screw rod and blast pipe are logical Cross bearing connection, one end that upper adjusting screw rod is located at outside blast pipe is provided with adjusting handle, the upper adjustable plate lower end and The upper end of lower adjustable plate is hinged, and the lower part of the lower adjustable plate is provided with adjusting sliding slot, adjusts sliding slot and is vertically arranged, adjusts and slide Slide-bar is provided in slot, the upper end for adjusting push rod is arranged in the slide-bar, and the lower end of the adjusting push rod and lower adjust turn Axis is hinged, and the lower adjusting shaft and blast pipe are relatively rotated and connected, and are provided with push plate in the lower adjusting shaft, described Push plate connect with lower adjusting jackscrew, the lower adjusting jackscrew is installed on blast pipe, and is threadedly coupled with blast pipe, described One end for being located at outside blast pipe of lower adjusting jackscrew be provided with lower adjusting handle.

The exhausting regulating device includes air regulating board, adjusts wind shaft, connecting plate, upper connecting rod, middle connecting rod, conditioning box and lower spiral shell The side of rack is arranged in bar, the conditioning box, and the tune wind shaft is installed in suction opening, and can be with respect to suction opening It rotates, air regulating board and connecting plate is provided on the tune wind shaft, the top connection of the connecting plate and upper connecting rod, described is upper The lower end of pull rod and the upper end of middle connecting rod are hinged, and the lower end of middle connecting rod and the upper end of lower screw rod are hinged, and the lower screw rod installs It is threadedly coupled in conditioning box, and with conditioning box, the lower end of the lower screw rod is provided with tune wind wheel.

The utility model has the following beneficial effects:

1, the utility model is that air inlet is arranged in the blast pipe of the charging exhausting system of twin-stage revolution Assembled multilayer sieve Regulating device is arranged exhausting regulating device in the suction opening of the charging exhausting system of twin-stage revolution Assembled multilayer sieve, passes through Change the size of the ventilation section of blast pipe and suction opening, realize the adjusting to air quantity, air intake adjusting device and exhausting, which are adjusted, to be filled Mutual cooperation is set, so that the size according to dust in grain materials and light thin impurity is real in the case where exhaust fan power is constant When adjust air volume.

2, the utility model structure is simple, easy to use, at low cost, can turn round Assembled multilayer sieve in twin-stage and run Cheng Zhong, according to how much real-time adjusting air quantity of dust and light thin impurity in grain materials, without changing the size of exhaust fan, energy Enough effectively reduce energy waste, save the cost.

Detailed description of the invention

Fig. 1 is the structural schematic diagram for the volume adjusting apparatus 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.

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, the settable multiple chargings in 81 upper end of charging shell of the invention Mouthfuls 82, the material entered from feed inlet 82 enters lower layer's feeding-passage 88 along upper layer feeding-passage 87, then from lower layer's feeding-passage 88 flow out from two discharge ports, respectively enter the feed hopper 59 on two screen boxs 5, enter uniform measurer 6 from feed hopper 59, so Afterwards from the upper sieve lattice 54 that six blanking channels 64 respectively enter in three screening chambers 53, moves and make in the plane rotation of sieve nest 3 It under, 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 into down from the sieve pore of upper sieve lattice 54 It sieves on 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, in guide Enter big miscellaneous pipe 73 under the action of plate 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 and put out cereal Net 715 outflow of grain outlet is arranged from 72 lower end of framework of putting out cereal in framework 72, and small impurity is fallen on the partition 52 in screen box 5, along partition 52 enter the small miscellaneous discharging bin 711 in the discharging chamber 78 of dischargers 7, small miscellaneous pipe 74 are entered under the action of stock guide 716, from small Miscellaneous pipe 74 is discharged.

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 suction opening 95 of the invention, adjusts wind wheel to rotate lower screw rod 930 by rotation, leads to It crosses middle connecting rod 928 and upper connecting rod 927 pulls connecting plate 926 to swing, adjust wind shaft 925 to rotate to drive, to make to adjust wind shaft Air regulating board 924 on 925 rotates, and by adjusting the angle of air regulating board 924, adjusts the sectional area of suction opening 95, reaches adjusting wind The purpose of size is measured, when air regulating board 924 is arranged vertically, suction opening 95 is shut, and when air regulating board 924 is horizontally disposed, air quantity is maximum.

Upper plate 931 is connected in upper partition 97 of the invention, upper plate 931 is arranged diagonally downward, upper plate 931 with Connection air duct 932 is formed between upper layer wind deflector 96, is connected in air duct 932 and is provided with intermediate louver, is made by middle handwheel Middle screw rod 937 rotates, and under the action of middle adjusting rod 935 and connecting rod 936, tuned plate 934 is rotated in pulling, to make middle shaft 933 rotations, drive and wind frame 938 are adjusted to rotate, and adjusting wind frame 938 is sector, adjust 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 is adjusted by rotating Adjusting bolt Adjusting screw 816 at the lower mouth of upper layer feeding-passage 87 of the invention The distance between whole adjusting yoke 814 and lower adjusting screw rod 815, so that 813 relative adjustment shaft 812 of adjustable plate rotates, thus The distance between adjustable plate 813 and upper layer sliding plate 84 are adjusted, so as to adjust the openings of sizes of the lower mouth of upper layer feeding-passage 87, So as to adjust the size of grain materials discharge quantity.

It is provided with even distributor in upper layer feeding-passage 87 of the invention, by refining motor, refining motor drives refining Shaft 89 rotates, so that refining cam 810 be made to rotate, so that refining plate 811 be made to swing back and forth, falls from upper layer feeding-passage 87 Grain materials, spread out under the action of refining plate 811, reach uniform blanking purpose.

It is noted that above-described embodiment is to the illustrative and not limiting of technical solution of the present invention, technical field is general The equivalent replacement of logical technical staff or the other modifications made according to the prior art, as long as not beyond technical solution of the present invention Thinking and range should be included within interest field of the presently claimed invention.

Claims (2)

1. a kind of volume adjusting apparatus of twin-stage revolution Assembled multilayer sieve, it is characterised in that: including air intake adjusting device and pumping The blast pipe (91) of the exhausting system of twin-stage revolution Assembled multilayer sieve is arranged in wind regulating device, the air intake adjusting device Interior, the exhausting regulating device is arranged in the suction opening (95) of the exhausting system of twin-stage revolution Assembled multilayer sieve, described Air intake adjusting device include upper spacer (912), upper adjusting shaft (913), upper adjustable plate (914), upper adjusting screw rod (915), Upper adjusting seat (916), lower adjustable plate (917) adjust sliding slot (918), adjust push rod (919), lower adjusting shaft (920) and lower It saves jackscrew (921), the upper spacer (912) is vertically arranged in the top of blast pipe (91), under the upper spacer (912) It is coated in blast pipe (91) and adjusts shaft (913), be hingedly connected with adjustable plate on the upper adjusting shaft (913) (914), it is connected with upper adjusting seat (916) on the upper adjustable plate (914), upper adjusting seat (916) internal screw thread is connected with up-regulation It saves screw rod (915), the upper adjusting screw rod (915) is connect with blast pipe (91) by bearing, and upper adjusting screw rod (915) is located at The one end of blast pipe (91) outside is provided with adjusting handle (922), upper adjustable plate (914) lower end 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), and it is perpendicular to adjust sliding slot (918) Straight setting adjusts and is provided with slide-bar in sliding slot (918), and the slide-bar setting is in the upper end for adjusting push rod (919), the tune Hingedly, the lower adjusting shaft (920) and blast pipe (91) are opposite for the lower end for saving push rod (919) and lower adjusting shaft (920) It is rotatablely connected, is provided with push plate on the lower adjusting shaft (920), the push plate is connect with lower adjusting jackscrew (921), institute The lower adjusting jackscrew (921) stated is installed on blast pipe (91), and is threadedly coupled with blast pipe (91), the lower adjusting jackscrew (921) it is located at the one end of blast pipe (91) outside and is provided with lower adjusting handle (923).

2. the volume adjusting apparatus of twin-stage revolution Assembled multilayer sieve according to claim 1, it is characterised in that: described Exhausting regulating device include air regulating board (924), adjust wind shaft (925), connecting plate (926), upper connecting rod (927), middle connecting rod (928), Conditioning box (929) and lower screw rod (930), the conditioning box (929) are arranged in the side of rack (1), the tune wind shaft (925) it is installed in suction opening (95), and can be rotated relative to suction opening (95), is provided on the tune wind shaft (925) Air regulating board (924) and connecting plate (926), the connecting plate (926) are connect with the top of upper connecting rod (927), the upper connecting rod (927) upper end of lower end and middle connecting rod (928) is hinged, and the lower end of middle connecting rod (928) and the upper end of lower screw rod (930) are hinged, The lower screw rod (930) is installed in conditioning box (929), and is threadedly coupled with conditioning box (929), the lower screw rod (930) lower end is provided with tune wind wheel.