CN216126096U - Light and heavy screening machine - Google Patents

Abstract

The utility model discloses a light and heavy screening machine which comprises a control box, a support, a wind screening device, a vibration screening device, a lifting mechanism, a wind direction adjusting assembly, a residual material collecting box, an inner wall cleaning assembly and a cleaning and dredging assembly. The utility model realizes the screening action of light and heavy mixed material type garbage and the screening action of heavy material garbage, simultaneously provides the double screening functions of blowing and exhausting, improves the separation efficiency of the light material garbage and the heavy material garbage, prevents the light material garbage from falling onto the screened heavy material garbage again, and improves the screening efficiency; be used for providing the clean function of ultrasonic vibration through setting up the clean subassembly of inner wall to realize automatic vibration and clear away the box inner wall, and combine clean mediation subassembly to realize the self-cleaning action to the inside of light and heavy screening machine, prevent to remain rubbish or dust and pile up the condition appearance that leads to the air output to reduce and subsequent screening efficiency to reduce, guarantee the screening efficiency of light and heavy screening machine.

Description

Light and heavy screening machine

Technical Field

The utility model relates to the technical field of garbage screening equipment, in particular to a light and heavy screening machine.

Background

Along with the rapid development of social economy in China, the production amount of urban domestic garbage is increased day by day, the stored garbage occupies a large amount of land resources, along with the development of cities, a plurality of garbage landfills need to be developed and utilized for the second time, meanwhile, the storage capacity of a plurality of garbage landfills is close to saturation, the site selection of a newly-built garbage landfill is difficult, the investment is huge, and a large amount of land is occupied, so that the storage garbage disposal becomes a preferred method for releasing the storage capacity of the existing garbage landfills; the method can obtain land resources, recycled resources, regenerate the storage capacity of the landfill site, treat pollution more thoroughly, reduce the risk of pollution of the landfill site to the surrounding environment, reduce or avoid the closing cost of the landfill site and the future maintenance and management cost of the landfill site and has higher social and environmental benefits.

In the prior art, domestic garbage sorting treatment mostly utilizes an air separator to mix light and heavy materials, for example, plastics, fabrics, stone bricks and other light and heavy mixed conditions are separated, most of the existing light and heavy screening machines only carry out air blowing screening on incoming materials through one air outlet, the air receiving time of the materials is short, the screening quality is poor, the aggregate of ceramic tiles, foam bricks and the like is also doped in the lightweight materials due to the adoption of larger wind pressure and wind speed for effectively separating the lightweight materials, if the wind pressure and the wind speed are reduced, the aggregate is doped with the light materials after the sorting quality of the light materials is improved, the device is lack of a guide function, the screened light material garbage can be mixed in the box body, the heavy material garbage can fall again, so that the light material garbage and the heavy material garbage are screened by the winnowing machine, the screening result is unsatisfactory, and the screening effect is influenced; and the wind direction of the existing winnowing machine can not be adjusted according to the content of the light garbage, so that the light garbage is easy to remain on the heavy garbage, and the screening effect is poor. The existing winnowing machine has no automatic cleaning function, and after the winnowing machine is used for a long time, partial light substance garbage or dust is adhered to the inner wall or the air outlet, and the subsequent air outlet amount, the subsequent screening action and the normal work of the winnowing machine are influenced due to the long-time accumulation; the existing fan of the air separator is mostly locked by screws, but when maintenance and replacement are needed, the steps of disassembly and assembly are complicated, the time is long, and the normal work of the air separator is influenced; the existing winnowing machine can only be used for garbage with mixed types of light and heavy materials, and when heavy material garbage is required to be screened, the screened heavy material garbage needs to be conveyed to heavy material garbage screening equipment for screening, so that the subsequent screening efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a screening machine aiming at the defects of the prior art.

The technical scheme adopted by the utility model for realizing the purpose is as follows:

a light and heavy screening machine comprises a control box, a support, a wind screening device and a vibration screening device, wherein the support is provided with a lifting mechanism, a moving assembly is arranged below the lifting mechanism, the vibration screening device is arranged on the support, the wind screening device comprises a blowing motor set and an air draft motor set, the vibration screening device comprises a box body, an adjusting support and a plurality of vibration screening assemblies, the end part of the support is also provided with an installation seat, the blowing motor set is arranged on the installation seat, the blowing motor set comprises two blowing motors, a buckle connecting structure is arranged between each two blowing motors and the installation seat, a feeding conveying belt is arranged above one end of the box body, a discharging conveying belt is arranged below the other end of the box body, the box body comprises a top plate and a plurality of side plates, the air draft motor set is arranged on the top plate, the inside of roof is equipped with the passageway, the passageway is equipped with inhales binding off and many connecting pipes, convulsions motor group includes a plurality of convulsions motors, many the connecting pipe respectively with the convulsions motor is connected, the box still is equipped with wind direction adjustment subassembly, clout and collects box and the clean subassembly of inner wall.

The improved structure comprises a lifting mechanism and a box body, wherein the lifting mechanism comprises a plurality of lifting motors, the lifting motors are provided with rotating screw rods, the rotating screw rods are provided with sleeves, nuts with bearings are arranged between the rotating screw rods and the sleeves, the bottom of each sleeve is provided with supporting legs, the box body is further provided with two air blowing pipes, the two air blowing pipes are provided with first connecting pipelines, the end portions of the first connecting pipelines are connected with the air blowing motors respectively, the two air blowing motors are provided with supports, each buckle connecting structure comprises a plurality of buckles and a plurality of buckle holes, the buckles are arranged on the mounting seat, the buckle holes are arranged on the supports, and the air blowing motors are fixed on the mounting seat through the buckle connecting structures.

The improved structure of the blowing pipe is characterized in that the feeding conveying belt is provided with a guide groove box, the wind direction adjusting assembly is arranged below the blowing pipe and comprises a motor, a rotating shaft and a baffle, the rotating shaft is transversely arranged on the box body, the motor is arranged on the front face of the box body, a driving shaft of the motor is connected with the rotating shaft, the baffle is arranged on the rotating shaft, the motor is used for controlling the inclination angle of the baffle and controlling the blowing direction of the blowing pipe, and the suction opening is provided with a first baffle.

The improved structure is characterized in that the improved structure is further characterized in that the excess material collecting box is arranged below the wind direction adjusting assembly, the box body is provided with an extraction opening, the excess material collecting box is provided with a handle, the box body is provided with a plurality of fixed buckling groups, the inner wall cleaning assembly comprises a plurality of ultrasonic vibration units, and the vibration units are arranged in the fixed buckling groups respectively.

The improved structure of the screw rod adjusting mechanism is characterized in that the adjusting support comprises a plurality of adjusting motors and a placing frame, the adjusting motors are arranged on the support, the screw rod is provided with a first sleeve, a first nut with a bearing is arranged between the first sleeve and the screw rod, the top end of the first sleeve is provided with a connecting seat, the connecting seat comprises a first connecting seat and a second connecting seat, a connecting shaft is arranged between the first connecting seat and the second connecting seat and connected with the first connecting seat in a rotating mode, and the placing frame is arranged on the second connecting seats.

The improved vibration screening rack is characterized in that the rack is provided with two first placement groove sets, the two first placement groove sets are arranged on a longitudinal rod of the rack in a mirror image mode and are formed by a plurality of first placement grooves, the plurality of vibration screening assemblies respectively comprise two vibration motors and sieve plates, the two vibration motors are arranged in the first placement grooves in a mirror image mode, and the sieve plates are arranged on the two vibration motors.

Further improvement is made, vibrating motor all is equipped with the connecting plate, the connecting plate all is equipped with clip one and two reference columns, the both ends of sieve all are equipped with detains hole one and two locating holes, clip one with detain hole one cooperation and connect, will the sieve is fixed on two vibrating motor, two the reference column is connected with two locating hole cooperations, the sieve still is equipped with a plurality of sieve meshes, the bottom of rack still is equipped with the funnel, the funnel is equipped with the discharge gate, the below of discharge gate is equipped with pay-off conveyer belt one.

Further improvement is made, still be equipped with branch in the box, branch is equipped with clean mediation subassembly, clean mediation subassembly is including pushing down cylinder and two scraper blades, it is equipped with actuating lever one to push down the cylinder, actuating lever one is equipped with two telescopic links and connecting rod one, two the scraper blade sets up respectively two the tip of telescopic link, connecting rod one is equipped with clean dish, clean dish is equipped with a plurality of lug one, the outside of lug one has all wrapped up the brush.

The improved structure is characterized in that the two telescopic rods are composed of a first telescopic rod and a second telescopic rod, the first telescopic rod is provided with a third through hole, the second telescopic rod is inserted into the third through hole, the first telescopic rod is also provided with a plurality of adjusting holes, and the second telescopic rod is provided with a spring jacking block.

The improved box is further provided with two box doors and two guide grooves, wherein each box door is provided with an observation window, two guide grooves are arranged at the bottom of the inner side of the front back surface of the box body in a mirror image opposite mode, each guide groove is provided with a notch, each notch is arranged above the excess material collecting box, each blowing motor, each air draft motor, each adjusting motor and each vibrating motor are provided with connecting wires, each connecting wire is connected with the control box, and each pressing cylinder is provided with a first connecting pipe.

The utility model has the beneficial effects that: according to the utility model, the wind screening device and the vibration screening device are arranged to realize the screening action of the light and heavy material mixed type garbage and the screening action of the heavy material garbage, so that the screening efficiency is improved; the blowing motor set and the air draft motor set are arranged to realize the blowing and air draft double screening function, so that the efficiency of separating light substance garbage is improved, meanwhile, the air draft motor set can also be used for guiding the light substance garbage to move towards the channel, the separation efficiency of the light substance garbage and the heavy substance garbage is improved, the situation that the light substance garbage falls onto the screened heavy substance garbage again is prevented, and the screening efficiency is ensured; the two blowing motors are arranged for providing double blowing effects, and the two blowing pipes are arranged on the left side plate of the box body in a mode that the steps are arranged upwards in a combined mode, so that the steps are blown upwards, the separation efficiency of light material garbage and heavy material garbage is greatly improved, the separation effect is improved, and when one of the two blowing motors fails, the other blowing motor can continue to work, the light and heavy screening machine can continue to perform screening work without stopping the light and heavy screening machine, and the normal work of the light and heavy screening machine is ensured; the installation or separation between the blowing motor and the installation base is facilitated by arranging the buckle connection structure, and the steps and time for maintenance and disassembly are reduced; the wind direction adjusting assembly is arranged to adjust the blowing direction according to the content of the light garbage, so that the separation efficiency and effect of the light garbage are ensured; the inner wall cleaning component is arranged to provide an ultrasonic vibration cleaning function, so that stubborn substances or garbage adhered to the inner wall of the box body and an air outlet are automatically cleaned through vibration, the interior of the light and heavy screening machine is automatically cleaned through the cleaning dredging component, the labor intensity of manual cleaning is reduced, the situation that the air output is reduced and the subsequent screening efficiency is reduced due to accumulation of residual garbage or dust caused by long-time work is prevented, the screening efficiency of the light and heavy screening machine is ensured, the cleaning dredging component can also perform cleaning action on sieve pores on the sieve plate, and the situation that the subsequent screening action of heavy substance garbage is influenced due to blockage of the sieve pores is prevented; the inclination angle that is used for adjusting a plurality of vibration screening subassemblies according to the demand of screening speed through setting up the adjustment support, when improving the suitability, guarantees the screening quality of heavy material rubbish.

The utility model is further described with reference to the following detailed description and accompanying drawings.

Drawings

Fig. 1 is a schematic view of the overall structure of the light and heavy screening machine according to the embodiment;

FIG. 2 is a schematic cross-sectional view of the light and heavy screening machine of the present embodiment;

FIG. 3 is a schematic cross-sectional view of an adjustment bracket of the present embodiment shown attached to a plurality of vibratory screen assemblies;

FIG. 4 is a schematic structural diagram of a wind direction adjustment assembly according to the present embodiment;

FIG. 5 is a schematic structural view of the cleaning and dredging assembly of the present embodiment;

fig. 6 is an enlarged schematic view a of the present embodiment.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.

In the embodiment, referring to fig. 1 to 6, a light and heavy screening machine 1 includes a control box 2, a support 3, a wind screening device 4 and a vibrating screening device 5, the support 3 is provided with a lifting mechanism 6, a moving assembly 7 is arranged below the lifting mechanism 6, the moving assembly 7 includes a plurality of rollers, the moving assembly 7 is convenient to move during transportation, the vibrating screening device 5 is arranged on the support 3, the wind screening device 4 includes a blowing motor set 40 and an air-draft motor set 41, the vibrating screening device 5 includes a box 50, an adjusting support 51 and a plurality of vibrating screening assemblies 52, the end of the support 3 is further provided with a mounting base 30, the blowing motor set 40 is arranged on the mounting base 30, the blowing motor set 40 includes two blowing motors, and a buckle connection structure 8 is arranged between the two blowing motors and the mounting base 30, the utility model discloses a garbage bin, including box 50, ventilation motor group 41, exhaust motor group 41, air blowing motor group 40 and exhaust motor group 41, the one end top of box 50 is equipped with pay-off conveyer belt 9, the other end below of box 50 is equipped with ejection of compact conveyer belt 10, box 50 includes roof and polylith curb plate, exhaust motor group 41 sets up on the roof, the inside of roof is equipped with passageway 500, passageway 500 is equipped with the mouth of inhaling 501 and many connecting pipes 502, exhaust motor group 41 includes a plurality of air draft motors, many connecting pipe 502 respectively with air draft motor connects, air blowing motor group 40 and exhaust motor group 41 realize blowing and the dual screening function of convulsions, exhaust motor group 41 is used for providing suction and guides light material rubbish to move toward passageway 500, improves the separation efficiency of light material rubbish and heavy material rubbish greatly, air draft motor all is equipped with the discharge pipe, the discharge pipe all is equipped with the collection bag, box 50 still is equipped with wind direction adjustment subassembly 11, A residue collecting box 12 and an inner wall cleaning component 13.

The lifting mechanism 6 comprises a plurality of lifting motors 60, the lifting motors 60 are respectively provided with a rotating screw 61, the rotating screws 61 are respectively provided with a sleeve 62, a nut with a bearing is arranged between the rotating screws 61 and the sleeves 62, the bottom of the sleeve 62 is respectively provided with a supporting leg 63, the lifting mechanism 6 is used for automatically adjusting the height of the light and heavy screening machine 1 so as to be convenient for splicing adjustment with external equipment, the box body 50 is also provided with two blowpipes, the two blowpipes are arranged upwards in steps and are respectively provided with a first connecting pipeline, the end parts of the first connecting pipelines are respectively connected with the blower motors, the two blower motors are respectively provided with a support 400, the buckle connecting structure 8 comprises a plurality of buckles 80 and a plurality of buckle holes 81, the plurality of buckles 80 are arranged on the mounting seat 30, the plurality of buckle holes 81 are arranged on the support 400, the blowing motors are fixed on the mounting seat 30 through the buckle connecting structures 8, the two blowing motors are used for providing double blowing effects by being arranged, the two blowing pipes are arranged on the left side plate of the box body 50 in a mode that the steps are upwards arranged in a combined mode, the steps are upwards blown, the separation efficiency and the separation effect of light material garbage and heavy material garbage are greatly improved, one blowing motor can also work when the other blowing motor fails, the other blowing motor can continue to work, the light and heavy screening machine 1 does not need to be stopped, the normal work of the light and heavy screening machine 1 is guaranteed, the buckle connecting structures 8 are convenient to install or separate the blowing motors and the mounting seat 30, and the maintenance and disassembly steps and time are reduced.

The feeding conveyer belt 9 is provided with a guide groove box 90, the wind direction adjusting component 11 is arranged below the blowpipe, the wind direction adjusting assembly 11 includes a motor 110, a rotating shaft 111 and a baffle 112, the rotating shaft 111 is transversely disposed on the case 50, the motor 110 is disposed on the front surface of the case 50, the driving shaft of the motor 110 is connected to the rotating shaft 111, the damper 112 is provided on the rotating shaft 111, the motor 110 is used to control the inclination angle of the flapper 112, control the blowing direction of the blowing pipe, the suction port 501 is provided with a baffle 5010, the wind direction adjusting component 11 is used for adjusting the blowing direction according to the content of the light garbage, so as to ensure the separation efficiency and effect of the light garbage, the first baffle 5010 is used for guiding and preventing light garbage from blowing to the upper side of the vibrating screen assembly 52 to influence the subsequent screening action of heavy garbage.

Box 12 sets up is collected to clout 11 below wind direction adjustment subassembly, box 50 is equipped with the pump-out mouth, box 12 sets up and is equipped with the handle is collected to the clout, box 12 is collected to the clout is used for collecting the residual rubbish that the pay-off conveyer belt 9 pay-off dropped, box 50 is equipped with a plurality of fixed knot group 503, the clean subassembly 13 of inner wall includes a plurality of ultrasonic vibration units, and is a plurality of the ultrasonic vibration unit sets up respectively in the fixed knot group 503, the clean subassembly 13 of inner wall is used for providing the clean function of ultrasonic vibration to realize automatic oscillation with stubborn material or rubbish of adhesion on the inner wall of box 50 and clear away, reduce artifical intensity of labour who clears away.

The adjusting support 51 comprises a plurality of adjusting motors 510 and a placing frame 511, the adjusting motors 510 are arranged on the support 3, the adjusting motors 510 are provided with screws 5100, the screws 5100 are provided with first sleeves 5101, first nuts with bearings are arranged between the first sleeves 5101 and the screws 5100, connecting seats 5102 are arranged at the top ends of the first sleeves 5101, the connecting seats 5102 comprise first connecting seats and second connecting seats, the first connecting seats and the second connecting seats are connected through connecting shafts, the connecting shafts enable the first connecting seats and the second connecting seats to form rotating connection, the placing frame 511 is arranged on the second connecting seats, the adjusting support 51 is used for adjusting the inclination angles of the vibrating screening assemblies 52 according to the screening speed requirement, the applicability is improved, and the screening quality is guaranteed.

The rack 511 is provided with two first groove sets, two first groove sets are arranged on the longitudinal rod of the rack 511 in a mirror image mode, each first groove set is formed by a plurality of first grooves, the vibration screening component 52 comprises two vibration motors 520 and a screen plate 521, the vibration motors 520 are arranged in the first groove sets in a mirror image mode, the screen plate 521 is arranged on the vibration motors 520, and the vibration screening component 52 is used for providing vibration screening actions.

The vibration motors 520 are all provided with connecting plates, the connecting plates are all provided with a clasp 5200 and two positioning columns 5201, two ends of the sieve plate 521 are respectively provided with a first buckle hole 5210 and two positioning holes 5211, the first buckle 5200 is connected with the first buckle hole 5210 in a matching way, the sieve plate 521 is fixed on the two vibrating motors 520, the two positioning columns 5201 are connected with the two positioning holes 5211 in a matching way, the clasp I5200 and the buckle hole I5210 are used for quick connection, installation or disassembly between the sieve plate 521 and the vibrating motor 520, so that the sieve plate 521 can be maintained and replaced conveniently, the normal operation of the light and heavy sieving machine 1 is ensured, the sieve plate 521 is further provided with a plurality of sieve holes 5212, the bottom of the placing frame 511 is further provided with a funnel 5110, the hopper 5110 is provided with a discharge hole 5111, a first feeding conveyer belt 5112 is arranged below the discharge hole 5111, the first feeding conveying belt 5112 is used for conveying the heavy material garbage obtained after the screening process to the next processing process.

A supporting rod 505 is also arranged in the box body 50, the supporting rod 505 is provided with a cleaning and dredging component 14, the cleaning and dredging component 14 comprises a pressing cylinder 140 and two scraping plates 141, the pressing cylinder 140 is provided with a first driving rod, the first driving rod is provided with two telescopic rods 142 and a first connecting rod 143, the two scraping plates 141 are respectively arranged at the end parts of the two telescopic rods 142, the first connecting rod 143 is provided with a cleaning disc 144, the cleaning disc 144 is provided with a plurality of first lugs 145, the outer sides of the first projections 145 are wrapped with hairbrushes, the cleaning and dredging component 14 is used for scraping and cleaning the inner wall in the box 50 and cleaning the sieve holes 5212 of the sieve plate 5212, so that stubborn substances accumulated in the box inner wall after long-term use are prevented from influencing the use of internal devices, and the condition that screening action is influenced by blockage of the screen holes 5212 is prevented, and automatic maintenance and cleaning of the interior of the box body 50 are realized.

The two telescopic links 142 are composed of a first telescopic link and a second telescopic link, the first telescopic link is provided with a third through hole, the second telescopic link is inserted into the third through hole, the first telescopic link is further provided with a plurality of adjusting holes, the second telescopic link is provided with a spring ejecting block, and the two telescopic links 142 are used for adjusting the position of the scraper 141, so that the scraper 141 is enabled to be attached to the inner wall of the box body 50, and the cleaning effect is guaranteed.

The box 50 is further provided with two box doors and two guide grooves, the guide grooves are used for guiding garbage scraped by the scraper 141 to the excess material collecting box 12, the box doors are provided with observation windows, the guide grooves are arranged at the bottom of the inner side of the front back face of the box 50 in a mirror image mode, the guide grooves are provided with notches, the notches are arranged above the excess material collecting box 12, the blowing motor, the air draft motor, the motor 110, the adjusting motor 510 and the vibrating motor 520 are provided with connecting wires, the connecting wires are connected with the control box 2, the down-pressing cylinder 140 is provided with a first connecting pipe, and the first connecting pipe is connected with external air compression equipment.

According to the utility model, the wind screening device and the vibration screening device are arranged to realize the screening action of the light and heavy material mixed type garbage and the screening action of the heavy material garbage, so that the screening efficiency is improved; the blowing motor set and the air draft motor set are arranged to realize the blowing and air draft double screening function, so that the efficiency of separating light substance garbage is improved, meanwhile, the air draft motor set can also be used for guiding the light substance garbage to move towards the channel, the separation efficiency of the light substance garbage and the heavy substance garbage is improved, the situation that the light substance garbage falls onto the screened heavy substance garbage again is prevented, and the screening efficiency is ensured; the two blowing motors are arranged for providing double blowing effects, and the two blowing pipes are arranged on the left side plate of the box body in a mode that the steps are arranged upwards in a combined mode, so that the steps are blown upwards, the separation efficiency of light material garbage and heavy material garbage is greatly improved, the separation effect is improved, and when one of the two blowing motors fails, the other blowing motor can continue to work, the light and heavy screening machine does not need to be stopped, the screening work can be continuously carried out, and the normal work of the light and heavy screening machine is ensured; the installation or separation between the blowing motor and the installation base is facilitated by arranging the buckle connection structure, and the steps and time for maintenance and disassembly are reduced; the wind direction adjusting assembly is arranged to adjust the blowing direction according to the content of the light garbage, so that the separation efficiency and effect of the light garbage are ensured; the inner wall cleaning component is arranged for providing an ultrasonic vibration cleaning function, so that stubborn substances or garbage adhered to the inner wall of the box body and an air outlet are automatically cleaned through vibration, the inner wall cleaning component is combined to automatically clean the interior of the light and heavy screening machine, the labor intensity of manual cleaning is reduced, the situation that the air output is reduced and the subsequent screening efficiency is reduced due to accumulation of residual garbage or dust caused by long-time work is prevented, the screening efficiency of the light and heavy screening machine is ensured, the inner wall cleaning component can also perform cleaning action on sieve pores on the sieve plate, and the situation that the subsequent screening action of heavy substance garbage is influenced due to blockage of the sieve pores is prevented; the inclination angle that is used for adjusting a plurality of vibration screening subassemblies according to the demand of screening speed through setting up the adjustment support, when improving the suitability, guarantees the screening quality of heavy material rubbish.

The present invention is not limited to the above embodiments, and other devices or structures similar or similar to those of the above embodiments of the present invention may be used in light and heavy screening machines, and are within the scope of the present invention.

Claims (10)

1. The utility model provides a light heavy screening machine which characterized in that: the light and heavy screening machine comprises a control box, a support, a wind screening device and a vibration screening device, wherein the support is provided with a lifting mechanism, a moving assembly is arranged below the lifting mechanism, the vibration screening device is arranged on the support, the wind screening device comprises a blowing motor set and an air draft motor set, the vibration screening device comprises a box body, an adjusting support and a plurality of vibration screening assemblies, the end part of the support is also provided with a mounting seat, the blowing motor set is arranged on the mounting seat, the blowing motor set comprises two blowing motors, a buckle connecting structure is arranged between each two blowing motors and the mounting seat, a feeding conveying belt is arranged above one end of the box body, a discharging conveying belt is arranged below the other end of the box body, the box body comprises a top plate and a plurality of side plates, and the air draft motor set is arranged on the top plate, the inside of roof is equipped with the passageway, the passageway is equipped with inhales binding off and many connecting pipes, convulsions motor group includes a plurality of convulsions motors, many the connecting pipe respectively with the convulsions motor is connected, the box still is equipped with wind direction adjustment subassembly, clout and collects box and the clean subassembly of inner wall.

2. The lightweight screening machine according to claim 1, characterized in that: the lifting mechanism comprises a plurality of lifting motors, the lifting motors are all provided with rotating screw rods, the rotating screw rods are all provided with sleeves, nuts with bearings are arranged between the rotating screw rods and the sleeves, supporting legs are arranged at the bottoms of the sleeves, the box body is further provided with two air blowing pipes, the two air blowing pipes are all provided with first connecting pipes, the end portions of the first connecting pipes are respectively connected with the air blowing motors, the two air blowing motors are all provided with supports, the buckle connecting structures all comprise a plurality of buckles and a plurality of buckle holes, the buckles are arranged on the mounting seat, the buckle holes are arranged on the supports, and the air blowing motors are fixed on the mounting seat through the buckle connecting structures.

3. The light and heavy screening machine according to claim 2, characterized in that: the feeding conveying belt is provided with a guide groove box, the wind direction adjusting assembly is arranged below the blowing pipe and comprises a motor, a rotating shaft and a baffle, the rotating shaft is transversely arranged on the box body, the motor is arranged on the front face of the box body, a driving shaft of the motor is connected with the rotating shaft, the baffle is arranged on the rotating shaft, the motor is used for controlling the inclination angle of the baffle and controlling the blowing direction of the blowing pipe, and the suction closing-in opening is provided with a first baffle.

4. The lightweight screening machine according to claim 3, characterized in that: the clout is collected the box and is set up wind direction adjustment subassembly below, the box is equipped with the extraction opening, the clout is collected the box and is set up and be equipped with the handle, the box be equipped with a plurality of fixed knot groups, the clean subassembly of inner wall includes a plurality of ultrasonic vibration units, and is a plurality of the vibration unit sets up respectively fixed knot is organized.

5. The lightweight screening machine according to claim 4, characterized in that: the adjusting support comprises a plurality of adjusting motors and a placing frame, the adjusting motors are arranged on the support, the screw rods are provided with first sleeves, first nuts with bearings are arranged between the first sleeves and the screw rods, the top end of the first sleeve is provided with a connecting seat, the connecting seat comprises a first connecting seat and a second connecting seat, the first connecting seat and the second connecting seat are connected through a connecting shaft, the connecting shaft enables the first connecting seat and the second connecting seat to be connected in a rotating mode, and the placing frame is arranged on the second connecting seats.

6. The screen machine according to claim 5, characterized in that: the rack is provided with two first placement groove groups, the two first placement groove groups are arranged on a longitudinal rod of the rack in a mirror image mode and are formed by a plurality of first placement grooves, the vibration screening assemblies respectively comprise two vibration motors and sieve plates, the two vibration motors are arranged in the first placement grooves in a mirror image mode, and the sieve plates are arranged on the two vibration motors.

7. The lightweight screening machine according to claim 6, characterized in that: vibrating motor all is equipped with the connecting plate, the connecting plate all is equipped with clip one and two reference columns, the both ends of sieve all are equipped with detains hole one and two locating holes, clip one with detain the cooperation of hole one and connect, will the sieve is fixed on two vibrating motor, two the reference column is connected with two locating hole cooperations, the sieve still is equipped with a plurality of sieve meshes, the bottom of rack still is equipped with the funnel, the funnel is equipped with the discharge gate, the below of discharge gate is equipped with pay-off conveyer belt one.

8. The lightweight screening machine according to claim 7, characterized in that: still be equipped with branch in the box, branch is equipped with clean mediation subassembly, clean mediation subassembly is including pushing down cylinder and two scraper blades, it is equipped with actuating lever one to push down the cylinder, actuating lever one is equipped with two telescopic links and connecting rod one, two the scraper blade sets up respectively two the tip of telescopic link, connecting rod one is equipped with the cleaning dish, the cleaning dish is equipped with a plurality of lug one, the outside of lug one has all wrapped up the brush.

9. The screen machine according to claim 8, characterized in that: the two telescopic links are composed of a first telescopic link and a second telescopic link, the first telescopic link is provided with a third through hole, the second telescopic link is inserted into the third through hole, the first telescopic link is further provided with a plurality of adjusting holes, and the second telescopic link is provided with a spring jacking block.

10. The light and heavy screening machine according to claim 9, characterized in that: the box body is further provided with two box doors and two guide grooves, the box doors are provided with observation windows, the two guide grooves are arranged at the bottom of the inner side of the front back face of the box body in a mirror image opposite mode, the two guide grooves are provided with notches, the notches are arranged above the excess material collecting box, the blowing motor, the air draft motor, the adjusting motor and the vibrating motor are provided with connecting wires, the connecting wires are all connected with the control box, and the pressing cylinder is provided with a first connecting pipe.

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