CN111672748B

CN111672748B - Automatic garbage classification equipment

Info

Publication number: CN111672748B
Application number: CN202010555996.8A
Authority: CN
Inventors: 阮少烽; 冯如杰; 王炜; 朱淼; 钱清清
Original assignee: Shaoxing Shangyu Yujiang Electromechanical Technology Co ltd
Current assignee: Changsha Yucheng Environmental Landscape Engineering Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-06-29
Anticipated expiration: 2040-06-17
Also published as: CN111672748A

Abstract

The invention discloses automatic garbage classification equipment, which comprises a shell, a drying channel, a feeding hole, a spiral plate, a drying device, an air outlet, a filter screen, a screening device and a discharging hole, wherein the drying channel is arranged on the shell; the screening device comprises a screening mechanism, a vibration mechanism, a discharge hole and a cleaning mechanism; the screening mechanisms are three groups, can be embedded in the shell in a left-right moving mode and are inclined to the bottom surface of the shell; according to the invention, the garbage accumulated in the drying channel is automatically pushed to the feed opening by the rotation of the spiral plate; meanwhile, in the pushing process, the drying device is started; drying the garbage in the drying channel; further dried garbage falls on a screening device; further start vibration mechanism makes rubbish obtain the screening on three sets of screening plant in proper order through vibrations, obtains autofilter with rubbish not of uniform size, has reduced the trouble of artifical screening, has improved the efficiency to refuse treatment.

Description

Automatic garbage classification equipment

Technical Field

The invention belongs to the technical field of garbage treatment, and particularly relates to automatic garbage classification equipment.

Background

In the society at present, a large amount of garbage is generated every day; the existing garbage disposal is slowly automated; in the garbage treatment, manual screening is needed according to different sizes of garbage, and then the next treatment can be carried out; manual screening reduces the screening efficiency on one hand, and damages the sanitation workers on the other hand; it is therefore necessary to invent an automatic sorting device for sorting different volumes of waste.

Disclosure of Invention

The invention provides automatic garbage classification equipment for overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: an automatic garbage classification device comprises a shell, a drying channel arranged on the shell, a feeding hole arranged on the drying channel, a spiral plate arranged in the drying channel, a drying device arranged on the spiral plate, an air outlet hole and a filter screen arranged on the drying channel, a screening device arranged in the shell and a discharge hole arranged in the drying channel; the method is characterized in that: the screening device comprises a plurality of groups of screening mechanisms arranged in the shell, a vibration mechanism arranged on the screening mechanisms, a plurality of discharge ports arranged on the shell and a cleaning mechanism arranged in the screening mechanisms; the screening mechanisms are three groups, can be respectively embedded in the shell in a left-right moving mode, and are inclined to the bottom surface of the shell.

When the equipment is started, firstly, the collected garbage is poured into the drying channel through the feeding hole; then starting the spiral plate, and further moving the garbage in the drying channel to the feed opening under the rotation of the spiral plate; meanwhile, the drying device is started, so that the garbage is dried when the drying channel moves; further, gas generated in the drying process is firstly filtered through a filter screen and then discharged from the equipment through the gas outlet; further garbage enters the screening mechanism through the feed opening, and the vibration mechanism is started at the moment; the garbage starts to vibrate on the screening mechanisms, and further garbage with smaller volume falls into the second group of screening mechanisms through the current screening mechanism; then the fallen garbage is shaken down into the corresponding discharging port; in this way, the waste is screened on the three sets of screening mechanisms; then, after the equipment runs for a period of time, starting a cleaning mechanism to automatically clean the garbage clamped in the screening mechanism; the automatic feeding of the garbage is realized through the arrangement of the spiral plate, and the garbage treatment efficiency is improved; the filter screen is arranged to filter the gas in the drying channel and reduce the peculiar smell; the pressure reduction of the drying channel is realized through the arrangement of the air outlet, so that potential safety hazards are generated when the equipment is protected from being dried; the drying device is arranged to dry the garbage, so that the garbage treatment effect is improved; the automatic classification of the garbage is realized through the arrangement of the screening device, so that the garbage can be classified according to the size of the garbage, and the treatment effect of the garbage is improved; the arrangement of the screening components realizes that the garbage can be classified into four groups according to the size of the garbage; the garbage is vibrated on the screening mechanism through the arrangement of the vibrating mechanism, so that the garbage treatment effect of the equipment is improved; the cleaning of screening mechanism has been realized through setting up of clearance mechanism for screening mechanism keeps clean, improves the effect of rubbish screening.

The screening mechanism comprises a first screening plate arranged in the shell, a second screening plate arranged below the first screening plate, and screening holes formed in the first screening plate and the second screening plate; the longitudinal sections of the first screening plate and the second screening plate are circular arcs and can be embedded in the shell in a left-right moving mode, and a space exists between the first screening plate and the second screening plate; the aperture of the screening holes in the screening mechanism is sequentially reduced from top to bottom.

When the garbage falls from the small material opening, the garbage firstly falls onto the first screening plate, and then the vibration mechanism starts to start; at the moment, the first sieve plate and the second sieve plate start to move back and forth with each other and start to generate vibration; further, the garbage on the first sieve plate firstly falls onto the second sieve plate through vibration, and then falls onto the next group of screening mechanisms for screening through the vibration of the second sieve plate; the automatic screening of the garbage is realized through the arrangement of the first sieve plate, and the garbage sorting efficiency of the equipment is improved; the second sieve plate is arranged to sieve the garbage for the second time, so that the garbage which is just clamped into the sieving holes is prevented from falling into the next group of sieving mechanisms; the automatic classification of rubbish has been realized through setting up of screening hole for rubbish can be according to the automatic screening of the volume of self, has improved the categorised effect of rubbish.

The vibration mechanism comprises a first lug arranged on the screening mechanism, a second lug arranged on the shell, a first spring arranged on the screening mechanism and a driving assembly arranged on the screening mechanism; the first lug and the second lug can mutually abut against each other; the first spring connects the sifting mechanism and the housing.

After the garbage is sprinkled on the screening mechanism, the driving assembly is started; the first screening plate and the second screening plate start to move left and right; at the moment, the first lug and the second lug are abutted, and the first screening plate begins to vibrate under the action of the first spring; the vibration of the first screening plate is realized through the arrangement of the first lug and the second lug, so that the screening efficiency of the first screening plate is improved on one hand; on the other hand, the frequency of vibration is not very high; the setting through first spring has improved the vibrations effect of first screening board, and on the other hand prevents that the vibrations of first screening board from influencing drive assembly's operation, cushions the protection to drive assembly.

The driving assembly comprises a first rack arranged on the first screening plate, a second rack arranged on the second screening plate, a first gear arranged on the shell, a U-shaped block arranged on the first screening plate, a first motor arranged on the shell, a rotating block arranged on the first motor and a rotating wheel arranged on the rotating block; the first rack and the second rack are oppositely arranged and arranged on the first gear and can be respectively meshed with the first rack and the second rack; the U-shaped block is fixedly arranged on the first screening plate, and a gap is formed between the U-shaped block and the second screening plate; the rotating wheel is rotatably embedded in the U-shaped block and is hinged with the rotating block.

Starting a first motor, and then starting the rotation of the rotating block; further driving the rotating wheel to start moving in the U-shaped block; further enabling the first screening plate to start moving, and then enabling the second screening plate to start moving in the opposite direction to the first screening plate under the action of the first gear; the relative movement of the first screening plate and the second screening plate is realized through the arrangement of the component, and meanwhile, the consistency of the movement ratio is also ensured; the stability of the device is improved.

The cleaning mechanism comprises a third rack arranged on the screening mechanism, a second gear arranged on the third rack, a second motor arranged on the second gear, a plurality of cleaning rollers arranged on the second gear, a connecting rod arranged on the cleaning rollers, a second spring arranged on the connecting rod and a blockage cleaning assembly arranged on the cleaning rollers; two adjacent cleaning rollers are hinged in a universal mode through connecting rods; the second springs are connected with the connecting rod and the cleaning roller and are distributed on the connecting rod in a cross manner; the blockage removing component can be embedded with the screening hole.

When the equipment runs for a period of time, starting a second motor to drive a second gear to start rotating; the second gear further starts to move along the third rack and drives the cleaning roller to move together; at the moment, under the action of the connecting rod and the second spring, the cleaning roller deforms along with the change of the gap between the first screening plate and the second screening plate; at the moment, the blockage clearing component clears the blocked garbage in the screening holes; through the arrangement of the connecting rods, each cleaning roller can independently generate position deformation, and the applicability of the cleaning rollers is improved; through the arrangement of the second spring, each cleaning roller is suitable for abutting against the first screening plate and the second screening plate, and the cleaning effect is improved.

The blockage clearing assembly comprises a third spring arranged in the clearing roller, a convex ball arranged on the third spring, a fourth spring arranged in the convex ball and a catch arranged on the fourth spring; the convex balls are movably embedded in the cleaning roller; the longitudinal section of the grabbing buckle is arc-shaped, a fillet is arranged at the end part of the grabbing buckle, and the grabbing buckle is abutted to the screening hole.

When the cleaning roller moves between the first screening plate and the second screening plate, the convex balls continuously abut against the first screening plate and the second screening plate under the action of the third spring; at the moment, under the action of fourth paralysis, the claw buckle is in contact with the screening hole, and the garbage clamped in the screening hole is hooked out, so that the cleaning effect is achieved; the convex balls are arranged, so that the cleaning roller can always abut against the first screening plate and the second screening plate when moving, and the cleaning efficiency is improved; through the arrangement of the claw buckles, the garbage in the screening holes is cleaned, and the cleaning capacity is provided.

The drying device comprises a heating blower arranged on the drying channel, an air blowing hole arranged on the surface of the spiral plate, an anti-blocking component arranged in the air blowing hole, and a third motor arranged on the drying channel; the heating blower is connected with the spiral plate; the air blowing holes are distributed on the surface of the spiral plate, and the air outlet direction is opposite to the direction of the feed opening.

After the garbage enters the drying channel, starting a third motor, and starting a further spiral plate to rotate to push the garbage to start moving; simultaneously starting a heating blower, and then, hot air enters the rotating plate; further hot air blows the garbage on the movable plate through the air blowing holes; the arrangement of the anti-blocking component prevents garbage from entering the air blowing hole to cause blockage and influence the drying effect; the device realizes that garbage is dried while moving in the drying channel, and improves the efficiency of garbage treatment.

The anti-blocking component comprises a movable plate arranged on the air blowing hole, a first fixed plate arranged below the movable plate, a second fixed plate arranged below the first fixed plate, an inclined groove arranged on the movable plate, an inclined block arranged on the first fixed plate, a filter plate arranged on the inclined block, an air vent arranged on the first fixed plate and a rotating piece arranged on the second fixed plate; the movable plate can rotate and can be embedded in the air blowing hole in an up-and-down moving manner; the inclined block and the inclined groove can be embedded together; the filter plate is connected with the inclined block and the inclined groove.

When hot air is blown into the air blowing holes, the rotating piece is driven to start firstly; the movable plate is further driven to rotate upwards, the chute is separated from the inclined block, and the filter plate is connected with a gap between the chute and the inclined block; further hot air is blown to the garbage from the chute; the sealing of the air blowing hole is realized through the arrangement of the inclined block and the inclined groove, so that garbage is prevented from entering the air blowing hole; the setting through the filter has realized that the fly leaf prevents that rubbish from entering into in the gas blowing hole from the chute after taking place deformation.

The rotating piece comprises a connecting cylinder arranged on the second fixing plate, a connecting rod arranged in the connecting cylinder, a torsion spring arranged below the connecting rod, a third gear arranged on the connecting cylinder, a fourth gear arranged on the second fixing plate and a propeller arranged on the second fixing plate; one end of the connecting rod is fixedly connected to the movable plate, and the other end of the connecting rod can move up and down and is embedded in the connecting cylinder; the torsional spring is connected with the connecting stick and the second fixing plate; the fourth gear is fixedly arranged on the propeller.

When hot air blows to the air blowing holes, the hot air firstly passes through the propeller; the propeller is driven to start rotating, and the fourth gear is further driven to start rotating; meanwhile, the connecting sleeve is driven to rotate, and the connecting roller starts to move upwards under the rotation of the connecting cylinder to drive the movable plate to rotate upwards; the device is rotated to drive the connecting roller to move upwards through the arrangement of the connecting cylinder and the connecting roller, so that the movable plate can rotate upwards; the arrangement of the third gear and the fourth gear realizes that the fourth gear drives the third gear to increase the torsion according to the lever principle, so that the movable plate is driven to rotate.

In conclusion, the invention has the following advantages: the equipment realizes automatic feeding of the equipment to the garbage through the arrangement of the spiral plate, so that the garbage treatment efficiency is improved; the spiral plate is filled with hot air through the arrangement of the heating fan and then blown to the garbage through the air blowing holes, so that the garbage is dried during conveying, and the garbage treatment effect is improved; then the garbage falling on the screening mechanism is vibrated through the vibrating mechanism, so that the screening efficiency of the garbage is improved; then carry out preliminary screening through first screening board to rubbish in the screening, separate most rubbish, then sieve once more through second screening board, improve the effect of screening, further improved equipment refuse treatment's effect.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a left side view of the present invention.

Fig. 4 is a cross-sectional perspective view along a-a of fig. 2 of the present invention.

Fig. 5 is a cross-sectional perspective view of fig. 3 taken along B-B of the present invention.

Fig. 6 is a partial view at a in fig. 5 of the present invention.

Fig. 7 is a partial view of the invention at B in fig. 6.

Fig. 8 is a schematic structural diagram of the cleaning mechanism of the present invention.

Figure 9 is an exploded view of the unblocking assembly of the present invention.

Fig. 10 is a partial view of the invention at C in fig. 9.

Fig. 11 is a schematic structural diagram of the anti-blocking assembly of the present invention.

Fig. 12 is an exploded view of the anti-clogging element of the present invention.

Fig. 13 is a partial view of the invention at D in fig. 12.

Detailed Description

As shown in fig. 1-13, an automatic garbage sorting device comprises a housing 1, a drying channel 2, a feeding port 3, a spiral plate 4, a drying device 5, an air outlet 6, a filter screen 7, a screening device 8 and a discharging port 9; the screening device 8 comprises a screening mechanism 81, a vibrating mechanism 82, a discharge hole 83 and a cleaning mechanism 84; the drying channel 2 is arranged on the shell 1; the feed inlet 3 is arranged on the drying channel 2, and the longitudinal section of the feed inlet 3 is trapezoidal; the spiral plate 4 is a hollow plate and can be rotatably embedded in the drying channel 2; the drying device 5 is arranged in the drying channel 2; the air outlet 6 is arranged on the drying channel 2 and is positioned above the feed opening 9; the filter screen 7 is arranged below the air outlet 6; the screening device 8 is arranged in the shell 1; the feed opening 9 is arranged in the drying channel 2; the screening mechanisms 81 are 2 groups, can be respectively embedded in the shell 1 in a left-right moving mode, and are inclined by 25 degrees with the bottom surface of the shell 1; the vibration mechanism 82 is arranged on the screening mechanism 81; the discharge ports 83 are arranged in 3 numbers and are arranged on the shell 1 and correspond to each group of screening mechanisms 81 respectively.

As shown in fig. 5, the screening mechanism 81 includes a first screening plate 811, a second screening plate 812, and screening holes 813; the longitudinal sections of the first screening plate 811 and the second screening plate 812 are arc-shaped, the first screening plate 811 and the second screening plate 812 can be embedded in the shell 1 in a left-right moving mode, and the distance between the first screening plate 811 and the second screening plate 812 is 50 mm; the aperture of the screening holes 813 of the screening mechanism 81 is reduced from top to bottom in sequence.

5-7, the vibration mechanism 82 includes a first projection 821, a second projection 822, a first spring 823, and the driving assembly 10; the first bump 821 is arranged on the first screening plate 811; the second protrusion 822 is disposed on the housing 1, and the second protrusion 822 and the first protrusion 8821 can be abutted against each other; the first spring 823 connects the first sifting plate 811 and the housing 1.

As shown in fig. 6, the driving assembly 10 includes a first rack 101, a second rack 102, a first gear 103, a U-shaped block 104, a first motor 105, a rotating block 106, a rotating wheel 107; the first rack 101 is arranged on the first screening plate 811, the second rack 102 is arranged on the second screening plate 812, and the second rack 102 and the first rack 101 are arranged oppositely; the first gear 103 is arranged on the inner wall of the shell 1 and can be meshed with the first rack 101 and the second rack 102 respectively; the U-shaped block 104 is fixedly arranged on the first screening plate 811, and is 5mm away from the second screening plate 812; the first motor 105 is arranged on the shell 1 and connected with the first gear 103; the rotating block 106 is arranged on the first motor 105; the rotating wheel 107 is rotatably embedded in the U-shaped block 104 and is hinged with the rotating block 106.

As shown in fig. 8-9, the cleaning mechanism 84 includes a third rack 841, a second gear 842, a second motor 843, a cleaning roller 844, a connecting rod 845, a second spring 846, and the blockage cleaning assembly 20; the third rack 841 is arranged on the second sieve plate 811; the second gear 842 is arranged on the third rack 841; the second motor 843 is arranged on the second gear 842, and the second motor 843 is directly available in the market; a plurality of cleaning rollers 844 are arranged and connected with the second gear 842 in series, the number of the cleaning rollers 844 can be set according to actual conditions, and the cleaning rollers 844 are located between the first screening plate 811 and the second screening plate 812; two adjacent cleaning rollers 844 are hinged in a universal manner by a connecting rod 845; the second spring 846 connects the connecting rod 845 and the cleaning roller 844, and the second spring 846 is distributed on the connecting rod 845 in a cross shape; the blockage removing assembly 20 is arranged on the cleaning roller 844, and the blockage removing assembly 20 can be embedded with the sieving holes 813.

As shown in fig. 9-10, the blockage clearing assembly 20 comprises a third spring 201, a convex ball 202, a fourth spring 203 and a clasp 204; the convex balls 202 are movably embedded in the cleaning rollers 844; the third spring 201 is connected with the convex ball 202 and the cleaning roller 844; the longitudinal section of the grabbing buckle 204 is arc-shaped, the end part of the grabbing buckle is provided with a fillet, the grabbing buckle can be embedded in the convex ball 202 in a turnover manner, and the grabbing buckle can be abutted against the screening holes 813; the fourth spring 203 connects the catch 204 and the stud ball 202.

As shown in fig. 1-5, the drying device 5 includes a heating blower 51, an air blowing hole 52, an anti-blocking component 53, and a third motor 54; the heating blower 51 is connected with the spiral plate 4, blown hot air can fill the spiral plate 4, and the heating blower 51 is directly available in the market; the air blowing holes 52 are distributed on the surface of the spiral plate 4, and the air outlet direction is opposite to the direction of the feed opening 9; the anti-blocking component 53 is arranged in the air blowing hole 52; the third motor 54 is connected to the spiral plate 4, and the third motor 54 is directly available in the market.

As shown in fig. 11-12, the anti-blocking assembly 53 comprises a movable plate 531, a first fixing plate 532, a second fixing plate 533, a chute 534, a sloping block 535, a filter plate 536, a vent 537, a rotary member 30; the movable plate 531 is rotatably embedded in the blowing hole 52 and can move up and down; the first fixing plate 532 is disposed below the movable plate 531; the second fixing plate 533 is disposed below the first fixing plate 532; the chute 534 is disposed on the movable plate 531; the inclined block is arranged on the first fixing plate 532, and the inclined block 535 and the inclined groove 534 can be embedded together; the filter panel 536 connects the swash block 535 and the chute 534; the vent hole 537 is arranged on the first fixing plate 532; the rotating member 30 is disposed on the second fixing plate 533.

As shown in fig. 12 to 13, the rotating member 30 includes a connecting cylinder 301, a connecting rod 302, a torsion spring 303, a third gear 304, a fourth gear 305, and a propeller 306; the connecting cylinder 301 is disposed on the fixing plate 533; one end of the connecting rod 302 is fixedly connected to the movable plate 531, and the other end of the connecting rod is in threaded connection with the connecting cylinder 301; the torsion spring 303 connects the connecting rod 302 and the second fixing plate 533; the third gear 304 is arranged in the connecting cylinder 301; the fourth gear 305 is fixedly arranged on the propeller 306; the propeller 306 is disposed in the second fixed plate 533.

The specific working process is as follows: when the equipment is started, firstly, the collected garbage is poured into the drying channel 2 through the feeding hole 3; starting the third motor 54, the spiral plate 4 starts to rotate, and the garbage is pushed to start moving; simultaneously, the heating blower 51 is started, and hot air enters the rotating plate 4 and blows towards the air blowing hole 52; further hot air will first pass through the propeller 306; the driving propeller 306 starts to rotate, and further the fourth gear 305 starts to rotate; meanwhile, the connecting cylinder 301 is driven to rotate, at this time, the connecting roller 302 starts to move upwards under the rotation of the connecting cylinder 301, and the movable plate 531 is driven to rotate upwards; further, the chute 534 is separated from the ramp 535, and the filter board 536 connects the gaps of the chute 534 and the ramp 535; hot air is blown to the garbage from the chute 534, and the garbage is dried; then, the garbage is sprinkled on the first screening plate 811 through the feed opening 9; starting the first motor 105, and then starting the rotation of the rotating block 106; further bringing the rotator wheel 107 to start moving inside the U-block 104; further causing the first sifting plate 811 to start moving, and then causing the second sifting plate 812 to start moving in the opposite direction to the first sifting plate 811 by the first gear 103; at this time, the first lug 821 and the second lug 822 start to abut against each other, and the first sieving plate 811 starts to generate vibration under the action of the first spring 823; further, the garbage on the first screen plate 811 will fall onto the second screen plate 812 by vibration, and then the garbage falls from the screening holes 813 to the next group of screening mechanisms 81 for screening by vibration of the second screen plate 812; along with the operation of different screening mechanisms 81, the corresponding garbage falls along with the screening mechanisms 81 and is discharged out of the equipment from the discharge port 83; when the equipment is cleaned, the second motor 843 is started to drive the second gear 842 to rotate; the further second gear 842 starts to move along the third rack 841, at the same time moving the cleaning roller 844 together; at this time, under the action of the connecting rod 845 and the second spring 846, the cleaning roller 844 deforms along with the change of the gap between the first screening plate 811 and the second screening plate 812; when the cleaning roller 844 moves between the first screening plate 811 and the second screening plate 812, the convex balls continuously abut against the first screening plate 811 and the second screening plate 812 under the action of the third spring 201; at this moment, under the action of the fourth spring 203, the pawl 204 is contacted with the screening hole 813, so that the garbage clamped in the screening hole 813 is hooked out, and the cleaning effect is achieved. Further when the apparatus is stopped, the torsion spring 303 is activated to reset the connecting roller 302 so that the ramp block 535 and the ramp slot 534 are again engaged and closed.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An automatic garbage classification device comprises a shell (1), a drying channel (2) arranged on the shell (1), a feeding hole (3) arranged on the drying channel (2), a spiral plate (4) arranged in the drying channel (2), a drying device (5) arranged on the spiral plate (4), an air outlet (6) and a filter screen (7) arranged on the drying channel (2), a screening device (8) arranged in the shell (1) and a discharging hole (9) arranged in the drying channel (2); the method is characterized in that: the screening device (8) comprises a plurality of groups of screening mechanisms (81) arranged in the shell (1), a vibration mechanism (82) arranged on the screening mechanisms (81), a plurality of discharge holes (83) arranged on the shell (1) and a cleaning mechanism (84) arranged in the screening mechanisms (81); the screening mechanisms (81) are divided into three groups, can be respectively embedded in the shell (1) in a left-right moving manner, and are inclined with the bottom surface of the shell (1); the vibration mechanism (82) comprises a first convex block (821) arranged on the screening mechanism (81), a second convex block (822) arranged on the shell (1), a first spring (823) arranged on the screening mechanism (81), and a driving assembly (10) arranged on the screening mechanism (81); the first bump (821) and the second bump (822) can interfere with each other; the first spring (823) is connected with the screening mechanism (81) and the shell (1); the screening mechanism (81) comprises a first screening plate (811) arranged in the shell (1), a second screening plate (812) arranged below the first screening plate (811), and screening holes (813) formed in the first screening plate (811) and the second screening plate (812); the longitudinal sections of the first screening plate (811) and the second screening plate (812) are arc-shaped, the first screening plate and the second screening plate can be embedded in the shell (1) in a left-right moving mode, and a space exists between the first screening plate (811) and the second screening plate (812); the driving assembly (10) comprises a first rack (101) arranged on the first screening plate (811), a second rack (102) arranged on the second screening plate (812), a first gear (103) arranged on the shell (1), a U-shaped block (104) arranged on the first screening plate (811), a first motor (105) arranged on the shell (1), a rotating block (106) arranged on the first motor (105), and a rotating wheel (107) arranged on the rotating block (106); the first rack (101) and the second rack (102) are arranged oppositely; the first gear (103) can be meshed with the first rack (101) and the second rack (102) respectively; the U-shaped block (104) is fixedly arranged on the first screening plate (811) and has a gap with the second screening plate (812); the rotating wheel (107) is rotatably embedded in the U-shaped block (104) and is hinged with the rotating block (106); the cleaning mechanism (84) comprises a third rack (841) arranged on the screening mechanism (81), a second gear (842) arranged on the third rack (841), a second motor (843) arranged on the second gear (842), a plurality of cleaning rollers (844) arranged on the second gear (842), a connecting rod (845) arranged on the cleaning rollers (844), a second spring (846) arranged on the connecting rod (845), and a blockage cleaning assembly (20) arranged on the cleaning rollers (844); two adjacent cleaning rollers (844) are hinged in a universal mode through connecting rods (845); the second spring (846) is connected with the connecting rod (845) and the cleaning roller (844), and the second spring (846) is distributed on the connecting rod (845) in a cross shape; the blockage removing assembly (20) can be embedded with the screening hole (813); the blockage clearing assembly (20) comprises a third spring (201) arranged in the clearing roller (844), a convex ball (202) arranged on the third spring (201), a fourth spring (203) arranged in the convex ball (202), and a catch (204) arranged on the fourth spring (203); the convex balls (202) are movably embedded in the cleaning roller (844); the longitudinal section of the grabbing buckle (204) is arc-shaped, the end part of the grabbing buckle is provided with a fillet, and the grabbing buckle (204) is abutted to the screening hole (813); the drying device (5) comprises a heating blower (51) arranged on the drying channel (2), a gas blowing hole (52) arranged on the surface of the spiral plate (4), an anti-blocking component (53) arranged in the gas blowing hole (52), and a third motor (54) arranged on the drying channel (2); the heating blower (51) is connected with the spiral plate (4); the air blowing holes (52) are distributed on the surface of the spiral plate (4), and the air outlet direction is opposite to the direction of the feed opening (9); the anti-blocking assembly (53) comprises a movable plate (531) arranged on the air blowing hole (52), a first fixed plate (532) arranged below the movable plate (531), a second fixed plate (533) arranged below the first fixed plate (532), an upper inclined groove (534) arranged on the movable plate (531), an inclined block (535) arranged on the first fixed plate (532), a filter plate (536) arranged on the inclined block (535), a vent hole (537) arranged on the first fixed plate (532), and a rotating piece (30) arranged on the second fixed plate (533); the movable plate (531) can rotate and can be embedded in the air blowing hole (52) in an up-and-down moving manner; the sloping block (535) and the sloping groove (534) can be embedded together; the filter plate (536) connects the swash block (535) and the chute (534); the rotating piece (30) comprises a connecting cylinder (301) arranged on the second fixing plate (533), a connecting rod (302) arranged in the connecting cylinder (301), a torsion spring (303) arranged below the connecting rod (302), a third gear (304) arranged on the connecting cylinder (301), a fourth gear (305) arranged on the second fixing plate (533), and a propeller (306) arranged on the second fixing plate (533); one end of the connecting rod (302) is fixedly connected to the movable plate (531), and the other end of the connecting rod is in threaded connection with the connecting cylinder (301); the torsion spring (303) is connected with the connecting stick (302) and the second fixing plate (533); the fourth gear (305) is fixedly arranged on the propeller (306).