CN108294708B

CN108294708B - Dining room rubbish clearance and sorter

Info

Publication number: CN108294708B
Application number: CN201810069748.5A
Authority: CN
Inventors: 龚智强; 曹荣辉; 梁三金; 孙艳; 杨胡坤
Original assignee: Chaohu University
Current assignee: Chaohu University
Priority date: 2018-01-24
Filing date: 2018-01-24
Publication date: 2020-09-15
Anticipated expiration: 2038-01-24
Also published as: CN108294708A

Abstract

The invention discloses a dining room garbage cleaning and classifying device, which belongs to the field of design of environment-friendly mechanical equipment and comprises a table body, a desktop cleaning device, a conveying device, a desktop garbage collecting device, a preprocessing device, a garbage classifying device and a controller. The pretreatment device adopts the principle that a conveyor belt reciprocates circularly, so that tableware is conveyed, cleaned and garbage is collected; sorting light garbage by a light garbage collecting device and using rope strips as fan blades; screening out the garbage with larger shape by a vibration screening device, and collecting; the spiral worm is obliquely arranged, the remaining food residues are sorted by utilizing the principle of worm convolution, and sewage is discharged at the low end due to gravity. The multifunctional garbage sorting table takes the table as a main body, has simple integral structure, strong working performance, multiple functions and high garbage sorting efficiency, saves a large amount of manpower and material resources, and can be used for large dining places such as dining halls in colleges and universities.

Description

Dining room rubbish clearance and sorter

Technical Field

The invention belongs to the technical field of environment-friendly mechanical equipment, and particularly relates to a dining room garbage cleaning and classifying device.

Background

At present, dining halls generally exist in large-scale enterprises, schools, companies and military camps, the number of dining staff in the dining halls is large, the dining time is concentrated, the dining speed of the dining staff cannot be kept up with the dining speed of the dining staff due to simple manual arrangement and collection of tableware, untreated tableware can be left on the table top, and the dining mood of people is influenced. The mode of collecting and clearing up the tableware in concentration that adopts today, need people to place corresponding processing point to the tableware voluntarily, because the problem that the distribution of processing point is scattered and the quantity is few, can make the dining room become crowded, the work load of dining room staff has been increased, and the clearance about the dining room desktop still needs the manual work to accomplish, at this moment the staff quantity in dining room and people's speed of having a meal can not be directly proportional, food waste on the desktop can not be timely by the clearance, people can avoid it, and then lead to the dining room seat can not obtain make full use of, the manual work in addition is with high costs, and the cleaning process of rubbish and tableware is dirty indiscriminate, these all can influence the operation of dining room.

Dining room rubbish is various, and every kind of rubbish all has very big use value, forces before the eyebrow to the classification of dining room rubbish, but at present most dining room is rough to the classification of dining room rubbish, and most only are the manual work classified, and the dirty in disorder poor of classification process, in addition the quantity of personnel of having a dinner is far more than dining room staff quantity, has undoubtedly increased not little pressure for the staff in dining room. In order to solve the above problems, it is necessary to design a device for cleaning and classifying the garbage in the canteen.

Disclosure of Invention

The invention aims to provide a dining room garbage cleaning and classifying device which is suitable for cleaning and collecting tableware and cleaning and classifying the dining room garbage in a dining room.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the device takes the dining table top as a design basis, and the dining table top is provided with the conveying device and the table top cleaning device which are respectively used for conveying tableware and cleaning table top garbage, so that the workload of people is greatly reduced. Have belt cleaning device at conveyer, belt cleaning device's top is equipped with high-pressure squirt, under conveyer and desktop cleaning device's effect, can also retrieve the rubbish on the desktop when retrieving the tableware, can wash and collect the tableware under belt cleaning device's effect, makes things convenient for people to carry out accurate classification and collection to dining room rubbish in the disinfection work of later stage to the tableware, has rubbish classification collection device at belt cleaning device, can carry out accurate classification and collection to dining room rubbish well.

The device adopts the specific scheme that: the utility model provides a dining room rubbish clearance and sorter, includes the table body, desktop cleaning device, conveyer, desktop garbage collection device, preprocessing device, waste classification device, controller, its characterized in that: the table top cleaning devices are sixteen and are all arranged on the table body; the conveying device is positioned in the middle of the table body; the desktop garbage collecting devices are connected to two sides of the conveying device; the pretreatment device is positioned below the table body; the garbage classification device is positioned below the pretreatment device; the controller is arranged on the table body.

The desktop cleaning device comprises an inner groove rack, a gear, a first shell, a telescopic plate, a rack rod, a second shell and a cleaner; the two first shells are connected to the table body through bolts; two internal groove racks are arranged in the first shell and form a sliding pair with the first shell; two gears are arranged and are mounted on the table body through bearings and meshed with the inner groove racks; the two shells are connected below the table body through bolts; two rack rods are arranged in the second shell and form a sliding pair with the second shell; the expansion plate is fixedly connected with one end of the rack rod; the cleaner consists of a shovel block, a cleaning brush and a groove rod; the shovel block is fixedly connected with the cleaning brush; the groove rod is fixedly connected with the cleaning brush and is installed in the first shell, and the groove rod and the first shell form a moving pair.

The conveying device consists of a first conveying belt, a first roller, a first motor, a first support frame, a first belt wheel, a first V-shaped belt, a second belt wheel, a third shell and a first motor frame; the two support frames are connected to the table body through bolts; a guide rail groove is formed in the first support frame; the first motor frame is connected to the first support frame through a bolt; the first motor is arranged on the first motor frame; the first belt wheel is arranged on an output shaft of the first motor; the two rollers are arranged on the first support frame through bearings; the first conveyor belt is sleeved on the two rollers; the second belt wheel is arranged on the first roller; the V-shaped belt I, the sleeve belt wheel I and the belt wheel II are arranged on the same side; and the third shell is connected to the first support frame through a bolt.

The desktop garbage collecting device consists of a collecting device and a switch mechanism; the collecting devices are seventy-two and are connected to the first conveying belt; the collecting device consists of a garbage bag, a grooved pulley, a sliding block plate, a stop block and a cross rod, wherein the garbage bag is positioned on one side of the first support frame; the sliding block plate is arranged at the lower end of the garbage bag and forms a moving pair with the garbage bag, one end of the cross rod is arranged on the garbage bag through a bearing, the other end of the cross rod is fixedly connected to the first conveyor belt, and the grooved wheel is positioned in the guide rail groove and fixedly connected with the cross rod; the four switch mechanisms are all installed on the first support frame, each switch mechanism comprises a roller, a support block, an L-shaped shell and a spring, the L-shaped shell is connected to the first support frame through bolts, the rollers are connected to the support blocks through bearings, one end of the spring is fixedly connected to the support blocks, the other end of the spring is fixedly connected to the L-shaped shell, and the support blocks are located in the L-shaped shell and form moving pairs with the L-shaped shell.

1. The pretreatment device comprises a conveying and collecting device, a first diversion trench, a first collecting box and a cleaning device; the conveying and collecting device comprises two conveying belts, two rollers, a second support frame, a second motor, three belt wheels, a second V-shaped belt, a fourth belt wheel and a second motor frame, wherein the number of the two support frames is four, the two support frames are all connected to the first support frame through bolts, the number of the two rollers is two, the two support frames are all installed on the second support frame through bearings, the two conveying belts are sleeved on the two rollers, the second motor is installed on the second motor frame, the third belt wheel is installed on an output shaft of the second motor, the fourth belt wheel is installed on the second roller through keys, and the second V-shaped belt is sleeved on the third belt wheel and the fourth belt wheel; the cleaning device consists of a high-pressure water gun and an upper shell cover, the upper shell cover is fixedly connected to the inner side of the first support frame, and the high-pressure water gun is mounted on the upper shell cover; the first diversion trench is connected to the tail end of the upper shell cover through a bolt; the first collecting box is located below the first flow guide groove.

The garbage classification device comprises a diversion trench II, a light garbage collection device, a vibration screening device and a garbage progressive device; the light garbage collecting device comprises a shell IV, a motor III, a rotary table, a rope, a baffle and a collecting box II, wherein two sorting ports are formed in the shell IV, two diversion grooves II are fixedly connected to the upper end of the shell IV, two motors III are arranged on the diversion grooves II, two rotary tables are arranged on the rotary table and are connected to an output shaft of the motor III through keys, the rope is arranged on the rotary table, the collecting box II is fixedly connected to the shell IV, and the baffle is arranged on the collecting box II; the vibrating screening device comprises a shell five, a screen disc, a spring two, a vibrating motor, a diversion trench three and a collecting box three, wherein the shell five is fixedly connected with a shell four phase, the spring two is provided with four springs, one end of the spring two is fixedly connected with the screen disc, the other end of the spring two is fixedly connected with the shell five, the vibrating motor is arranged on the screen disc, the diversion trench three is connected with the shell five through a bolt, and the collecting box three is positioned below the diversion trench three; the garbage progressive device is composed of a shell six, a spiral worm, a motor four, a motor frame three, a water drainage tank, a collecting box four and a bearing seat, wherein the shell six is fixedly connected with the shell five, the water drainage tank is positioned below the shell six, the motor four is installed on the motor frame three, the collecting box four is fixedly connected with the shell six, the bearing seat is installed on the collecting box four, one end of the spiral worm is connected to an output shaft of the motor four, and the other end of the spiral worm is installed on the bearing seat through a bearing.

The invention has the beneficial effects that: this device regards as the design basis with the dining desktop, be equipped with conveyer on the dining desktop, people only need place the tableware at conveyer alright leave, the process that people transported the process of tableware and staff and picked up the process of tableware has been saved, the time is saved greatly and the work load that has alleviateed the dining room staff, this device still is equipped with the high-pressure squirt, utilize conveyer's circulation reciprocity, can also retrieve the desktop rubbish when retrieving the tableware, and wash and collect the tableware, the disinfection work of people's later stage to the tableware has been made things convenient for, through the waste classification device, can accurately come out with the irrelevant waste classification of food in the garbage of dining room, people's work load has been alleviateed greatly. This device degree of automation is high, has saved the operation cost in dining room, because this device designs based on the desktop, collects the clearance of tableware and rubbish and collects in an organic whole, and functional strong, strong adaptability has fine due prospect, can be used to various large-scale dining places.

Drawings

FIG. 1 is a schematic diagram of the general structure of the present invention;

FIG. 2 is a schematic structural view of the tabletop cleaning device of the present invention;

FIG. 3 is a schematic diagram of the construction of the cleaner of the present invention;

FIG. 4 is a schematic view of the structure of the transfer device of the present invention;

FIG. 5 is a schematic view of the construction of a first conveyor belt and cross-bar of the present invention;

FIG. 6 is a schematic view of the construction of the collecting device of the present invention;

FIG. 7 is a schematic structural view of the switching mechanism of the present invention;

FIG. 8 is a schematic view of the table body and table top cleaning apparatus of the present invention;

FIG. 9 is a schematic view of the structure of the pretreatment apparatus of the present invention;

FIG. 10 is a schematic view of the structure of the cleaning apparatus of the present invention;

fig. 11 is a schematic structural view of a second diversion trench and a light garbage collection device of the invention;

FIG. 12 is a schematic illustration of the construction of the vibratory screening device of the present invention;

fig. 13 is a schematic structural view of the garbage-advancing device of the present invention.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments and the drawings.

As shown in fig. 1, a dining room rubbish clearance and sorter, including the table body 1, desktop cleaning device 2, conveyer 3, desktop garbage collection device 4, preprocessing device 5, waste classification device 6, controller 7, its characterized in that: sixteen desktop cleaning devices 2 are arranged on the desk body 1; the conveying device 3 is positioned in the middle of the table body 1; the desktop garbage collecting device 4 is connected to two sides of the conveying device 3; the pretreatment device 5 is positioned below the table body 1; the garbage classification device 6 is positioned below the pretreatment device 5; the controller 7 is arranged on the table body 1.

As shown in fig. 1, 2 and 3, the desktop cleaning device 2 includes an internal slot rack 21, a gear 22, a first housing 23, a telescopic plate 24, a rack bar 25, a second housing 26 and a cleaner 27; two first shells 23 are arranged and are connected to the table body 1 through bolts; two internal groove racks 21 are arranged in the first shell 23 and form a sliding pair with the first shell; two gears 22 are arranged on the table body 1 through bearings and meshed with the inner groove rack 21; the two outer shells 26 are connected below the table body 1 through bolts; two rack rods 25 are arranged in the second shell 26 and form a sliding pair with the second shell; the expansion plate 24 is fixedly connected with one end of a rack rod 25; the cleaner 27 consists of a shovel block 271, a cleaning brush 272 and a grooved rod 273; the shovel block 271 is fixedly connected with the cleaning brush 272; the grooved rod 273 is fixedly connected with the cleaning brush 272 and is installed in the first shell 23, and the grooved rod 273 and the first shell 23 form a moving pair.

As shown in fig. 1 and 4, the conveyor 3 is composed of a first conveyor belt 31, a first roller 32, a first motor 33, a first support frame 34, a first belt wheel 35, a first V-belt 36, a second belt wheel 37, a third shell 38 and a first motor frame 39; two first support frames 34 are arranged and are connected to the table body 1 through bolts; a guide rail groove 341 is formed on the first support frame 34; the first motor frame 39 is connected to the first support frame 34 through bolts; the first motor 33 is arranged on the first motor frame 39; the first belt wheel 35 is arranged on an output shaft of the first motor 33; two rollers (32) are arranged and are arranged on a first support frame (34) through bearings; the first conveyor belt 31 is sleeved on the two rollers 32; the second belt wheel 37 is arranged on the first roller 32; the V-shaped belt I36, the belt wheel I35 and the belt wheel II 37 are sleeved; the third shell 38 is connected to the first support bracket 34 through bolts.

As shown in fig. 1, 4, 5, 6, 7 and 8, the table garbage collecting device 4 is composed of a collecting device 41 and a switch mechanism 42; seventy two collecting devices 41 are arranged and are connected to the first conveyor belt 31; the collecting device 41 consists of a garbage bag 411, a grooved pulley 412, a sliding block plate 413, a stop block 414 and a cross bar 415; the garbage bag 411 is positioned on one side of the first support frame 34; the block 414 is fixedly connected to the garbage bag 411; the sliding block plate 413 is arranged at the lower end of the garbage bag 411 and forms a moving pair with the garbage bag 411; one end of the cross bar 415 is arranged on the garbage bag 411 through a bearing, and the other end of the cross bar is fixedly connected to the first conveyor belt 31; the grooved pulley 412 is positioned in the guide rail groove 341 and is fixedly connected with the cross bar 415; four switch mechanisms 42 are arranged on the first support frame 34; the switch mechanism 42 consists of a roller 421, a supporting block 422, an L-shaped shell 423 and a spring 424; the L-shaped shell 423 is connected to the first support frame 34 through bolts; the roller 421 is connected to the supporting block 422 through a bearing; one end of the first spring 424 is fixedly connected to the supporting block 422, and the other end of the first spring is fixedly connected to the L-shaped shell 423; the supporting block 422 is located in the L-shaped housing 423 and forms a moving pair with the L-shaped housing 423.

As shown in fig. 1, 9 and 10, the pretreatment device 5 comprises a conveying and collecting device 51, a diversion trench one 52, a collecting tank one 53 and a cleaning device 54; the conveying and collecting device 51 consists of a second conveying belt 511, a second roller 512, a second support frame 513, a second motor 514, a third belt wheel 515, a second V-shaped belt 516, a fourth belt wheel 517 and a second motor frame 518; four second support frames 513 are arranged and are connected to the first support frame 34 through bolts; two rollers 512 are arranged on the second support frame 513 through bearings; the second conveyor belt 511 is sleeved on the second rollers 512; the second motor 514 is arranged on the second motor frame 518; the third belt wheel 515 is arranged on the output shaft of the second motor 512; the fourth belt wheel 517 is arranged on the second roller 512 through a key; the V-shaped belt II 516 is sleeved on the belt wheel III 515 and the belt wheel IV 517; the cleaning device 54 consists of a high-pressure water gun 541 and an upper shell cover 542; the upper shell cover 542 is fixedly connected to the inner side of the first support frame 34; the high-pressure water gun 541 is installed on the upper shell cover 542; the first diversion trench 52 is connected to the tail end of the upper shell cover 542 through a bolt; the first collecting box 53 is positioned below the first diversion trench 52.

As shown in fig. 1, 11, 12 and 13, the garbage sorting device 6 includes a second diversion trench 61, a light garbage collection device 62, a vibrating screening device 63 and a garbage progressive device 64; the light garbage collecting device 62 consists of a shell IV 621, a motor III 622, a turntable 623, a rope 624, a baffle 625 and a collecting box II 626; the fourth shell 621 is provided with two sorting ports 6211; the second diversion trench 61 is fixedly connected to the upper end of the fourth casing 621; two motors III 622 are arranged on the second diversion trench 61; two rotary tables 623 are connected to an output shaft of the motor III 622 through keys; the rope 624 is arranged on the turntable 623; the second collecting box 626 is fixedly connected to the fourth shell 621; the baffle 625 is arranged on the second collecting box 626; the vibrating screening device 63 consists of a shell five 631, a screening disc 632, a spring two 633, a vibrating motor 634, a guide groove three 635 and a collecting box three 636; the fifth shell 631 is fixedly connected with the fourth shell 621; four springs are arranged, one end of each spring 633 is fixedly connected with the sieve tray 632, and the other end of each spring 633 is fixedly connected to the shell five 631; the vibration motor 634 is arranged on the sieve tray 632; the third guide groove 635 is connected to the fifth shell 631 through a bolt; the third collecting box 636 is positioned below the third guide groove 635; the garbage progressive device 64 consists of a shell six 641, a spiral worm 642, a motor four 643, a motor rack three 644, a drainage groove 645, a collection box four 646 and a bearing seat 647; the six outer shells 641 are fixedly connected with the five outer shells 631; the drainage groove 645 is positioned below the outer shell six 641; the fourth motor 643 is arranged on a third motor frame 644; the fourth collecting box 646 is fixedly connected with the sixth shell 641; the bearing block 647 is arranged on the collecting box IV 646; one end of the spiral worm 642 is connected to an output shaft of the motor 643, and the other end is mounted on the bearing block 647 through a bearing.

The working process is as follows: firstly, starting the controller 7, starting the device to operate, when people finish the collection of tableware garbage, placing the tableware on the first conveyor belt 31, then controlling the first motor 33 in the conveyor device 3 to operate by the controller 7, driving the second pulley 37 to rotate under the driving of the first motor 33 because the first pulley 35 is arranged on the output shaft of the first motor 33, and driving the first pulley 35 to rotate under the driving of the first motor 33 because of the belt transmission formed by the first pulley 35, the first V-shaped belt 36 and the second pulley 37, and driving power to be transmitted to the first roller 32 because the second pulley 37 is arranged on the first roller 32, so that the first conveyor belt 31 sleeved on the first two rollers 32 moves in one direction to play a role of conveying the tableware; then, under the action of the conveying device 3, the tableware will fall into the conveying and collecting device 51 in the pretreatment device 5, because the third belt wheel 515 is installed on the output shaft of the second motor 514, the third belt wheel 515 rotates under the drive of the second motor 514, because the third belt wheel 515, the second V-belt 516 and the fourth belt wheel 517 form belt transmission, the fourth belt wheel 517 is further driven to rotate, because the fourth belt wheel 517 is installed on the second roller 512, the second roller 512 is further driven to rotate, because the second conveying belt 511 is sleeved on the two second rollers 512, the second conveying belt 511 will move in one direction along with the rotation of the second roller 512, and further play a role of conveying the tableware, and during the conveying process, the high-pressure water gun 541 in the cleaning device 54 above the second conveying belt 511 will play a role of washing the tableware, because of the limiting function of the upper cover 542, the tableware will not fall off, and can only be on the second conveying belt 511, finally, the tableware is transported to the first diversion trench 52 and falls into the first collection box 53 along the first diversion trench 521, and the garbage on the tableware is flushed into the second diversion trench 61;

collecting the desktop rubbish, people can hold the cleaner 27 to move in the inner groove rack 21 after putting the tableware on the first conveyor belt 31, because the inner groove rack 21 is installed in the first shell 23, because the inner groove rack 21 is always meshed with the gear 22 installed on the table body 1, and the gear 22 is meshed with the rack rod 25, when the cleaner 27 moves to the top end of the inner groove rack 21, the cleaner can push against the inner groove rack 21 to move in the first shell 23, and further drive the rack rod 25 to move reversely, because the contraction plate 24 is fixedly connected with the rack rod 25, the contraction plate 24 can move along with the rack rod 25, and then the collection device 41 in the desktop rubbish collection device 4 can be generated, people can shovel the rubbish remained on the desktop into the collection device 41 by using the cleaner 27, and then can place the cleaner 27 in the original place by moving reversely; because the collecting device 41 is connected to the first conveyor belt 31 through the cross bar 415, and because the grooved pulley 412 in the collecting device 41 is positioned in the guide rail groove 341 in the first support frame 34, the collecting device 41 can move along with the movement of the first conveyor belt 31, which can play a role in transporting the table garbage, and because the collecting device 41 has seventy-two parts and is distributed at two sides of the conveyor 3, and there is no gap between them, which can ensure that the table garbage cannot spill; because two switch mechanisms 42 are arranged on the first support frame 34, when the slider plate 413 in the collecting device 41 is pressed against the roller 421 in the switch mechanism 42 under the action of the conveying device 3, the slider plate 413 can move relative to the garbage bag 411 to play a role of releasing garbage in the garbage bag 411, then the garbage on the table can fall into the second diversion trench 41, the slider plate 413 can apply downward force to the supporting block 422 under the blocking action of the stopper 414 to enable the supporting block 422 to move downward, at this time, the garbage bag 411 can continue to move, the supporting block 422 can move to the original state under the action of the first spring 424, when the garbage bag 411 comes to the second switch mechanism 42, the slider plate 413 can move reversely relative to the garbage bag 411 in the same way to play a role of closing the garbage bag 411 to prepare for the garbage on the table which falls next time;

the garbage is classified, the garbage in the two processes falls into the second diversion trench 61, then the garbage is mixed together and enters the light garbage collection device 62 along the second diversion trench 61, the rope 624 connected to the turntable 623 moves along with the rotation of the turntable 623 under the driving action of the third motor 622, and the second shell 621 is provided with a sorting opening 6211, so the light garbage such as plastic bags, plastic cups and the like is wound on the rope 624 under the action of the rope 624, and the garbage on the rope 624 is stroked into the collection box 626 under the action of the baffle 625; the rest of the garbage can fall into the vibrating screening device 63, due to the action of the vibrating motor 634 and the spring II 633, the screening tray 672 can vibrate, and due to the inclined arrangement of the screening tray 672, the garbage with a large volume in the garbage can be vibrated into the diversion trench III 635 and then fall into the collection tank III 536; through the action of the vibrating screening device 63, garbage with small volume can fall into the garbage progressive device 64, the spiral worm 642 can rotate under the driving action of the motor four 643, the spiral worm 642 is obliquely arranged, so that the garbage can be spirally progressive into the collecting box 646 from low to high, the waste water flows into the drainage groove 645 at the bottom end to be discharged, and the steps are repeated to finish the cleaning and the classification of the dining room garbage.

Claims

1. The utility model provides a dining room rubbish clearance and sorter, includes the table body, desktop cleaning device, conveyer, desktop garbage collection device, preprocessing device, waste classification device, controller, its characterized in that: the table top cleaning devices are sixteen and are all arranged on the table body; the conveying device is positioned in the middle of the table body; the desktop garbage collecting devices are connected to two sides of the conveying device; the pretreatment device is positioned below the table body; the garbage classification device is positioned below the pretreatment device; the controller is arranged on the table body;

the desktop cleaning device comprises an inner groove rack, a gear, a first shell, a telescopic plate, a rack rod, a second shell and a cleaner; the two first shells are connected to the table body through bolts; two internal groove racks are arranged in the first shell and form a sliding pair with the first shell; two gears are arranged and are mounted on the table body through bearings and meshed with the inner groove racks; the two shells are connected below the table body through bolts; two rack rods are arranged in the second shell and form a sliding pair with the second shell; the expansion plate is fixedly connected with one end of the rack rod; the cleaner consists of a shovel block, a cleaning brush and a groove rod, the shovel block is fixedly connected with the cleaning brush, the groove rod is fixedly connected with the cleaning brush and is arranged in the first shell, and the groove rod and the first shell form a moving pair;

the conveying device consists of a first conveying belt, a first roller, a first motor, a first support frame, a first belt wheel, a first V-shaped belt, a second belt wheel, a third shell and a first motor frame;

the two support frames are connected to the table body through bolts; a guide rail groove is formed in the first support frame; the first motor frame is connected to the first support frame through a bolt; the first motor is arranged on the first motor frame; the first belt wheel is arranged on an output shaft of the first motor; the two rollers are arranged on the first support frame through bearings; the first conveyor belt is sleeved on the two rollers; the second belt wheel is arranged on the first roller; the V-shaped belt I, the sleeve belt wheel I and the belt wheel II are arranged on the same side; the shell III is connected to the support frame I through a bolt;

the desktop garbage collecting device consists of a collecting device and a switch mechanism; the collecting devices are seventy-two and are connected to the first conveying belt;

the collecting device consists of a garbage bag, a grooved pulley, a sliding block plate, a stop block and a cross rod, wherein the garbage bag is positioned on one side of the first support frame; the sliding block plate is arranged at the lower end of the garbage bag and forms a moving pair with the garbage bag, one end of the cross rod is arranged on the garbage bag through a bearing, the other end of the cross rod is fixedly connected to the first conveyor belt, and the grooved wheel is positioned in the guide rail groove and fixedly connected with the cross rod; the four switch mechanisms are all arranged on the first support frame, each switch mechanism consists of a roller, a support block, an L-shaped shell and a spring, the L-shaped shell is connected to the first support frame through a bolt, the rollers are connected to the support blocks through bearings, one end of the spring is fixedly connected to the support blocks, the other end of the spring is fixedly connected to the L-shaped shell, and the support blocks are located in the L-shaped shell and form a moving pair with the L-shaped shell;

the pretreatment device comprises a conveying and collecting device, a first diversion trench, a first collecting box and a cleaning device; the conveying and collecting device comprises two conveying belts, two rollers, a second support frame, a second motor, three belt wheels, a second V-shaped belt, a fourth belt wheel and a second motor frame, wherein the number of the two support frames is four, the two support frames are all connected to the first support frame through bolts, the number of the two rollers is two, the two support frames are all installed on the second support frame through bearings, the two conveying belts are sleeved on the two rollers, the second motor is installed on the second motor frame, the third belt wheel is installed on an output shaft of the second motor, the fourth belt wheel is installed on the second roller through keys, and the second V-shaped belt is sleeved on the third belt wheel and the fourth belt wheel; the cleaning device consists of a high-pressure water gun and an upper shell cover, the upper shell cover is fixedly connected to the inner side of the first support frame, and the high-pressure water gun is mounted on the upper shell cover; the first diversion trench is connected to the tail end of the upper shell cover through a bolt; the first collecting box is positioned below the first diversion trench;

the garbage classification device comprises a diversion trench II, a light garbage collection device, a vibration screening device and a garbage progressive device; the light garbage collecting device comprises a shell IV, a motor III, a rotary table, a rope, a baffle and a collecting box II, wherein two sorting ports are formed in the shell IV, two diversion grooves II are fixedly connected to the upper end of the shell IV, two motors III are arranged on the diversion grooves II, two rotary tables are arranged on the rotary table and are connected to an output shaft of the motor III through keys, the rope is arranged on the rotary table, the collecting box II is fixedly connected to the shell IV, and the baffle is arranged on the collecting box II; the vibrating screening device comprises a shell five, a screen disc, a spring two, a vibrating motor, a diversion trench three and a collecting box three, wherein the shell five is fixedly connected with a shell four phase, the spring two is provided with four springs, one end of the spring two is fixedly connected with the screen disc, the other end of the spring two is fixedly connected with the shell five, the vibrating motor is arranged on the screen disc, the diversion trench three is connected with the shell five through a bolt, and the collecting box three is positioned below the diversion trench three;

the garbage progressive device is composed of a shell six, a spiral worm, a motor four, a motor frame three, a water drainage tank, a collecting box four and a bearing seat, wherein the shell six is fixedly connected with the shell five, the water drainage tank is positioned below the shell six, the motor four is installed on the motor frame three, the collecting box four is fixedly connected with the shell six, the bearing seat is installed on the collecting box four, one end of the spiral worm is connected to an output shaft of the motor four, and the other end of the spiral worm is installed on the bearing seat through a bearing.