TW201343502A - Garbage classification recycle system and garbage classification recycle method - Google Patents

Abstract

The present invention provides a garbage classification recycle system which is suitable for garbage classification process in a garbage bag, and comprises a conveying device, a cutting device, a sorting device, and a classifying device. The conveying device comprises a conveyor belt for sequentially arranging and conveying the garbage bags; a first separating area having a plurality of first cutting members and a first grabbing mechanism, in which the first grabbing mechanism grabs the garbage bag on the conveyor belt and moves to the location of the first cutting members, and the first cutting members may cut the outer bag of the garbage bag to obtain a primary processing article. The sorting device may sort out the non-recyclable garbage and the recyclable garbage from the primary processing article. The classifying device comprises an air-blowing mechanism for blowing the air on the recyclable garbage to classify the recyclable garbage as the heavier garbage or the lighter garbage.

Description

Garbage sorting and recycling system and garbage sorting and recycling method

The invention relates to a garbage sorting and recycling system, in particular to a garbage sorting and recycling system and a garbage sorting and recycling method which can effectively separate the garbage bag from the garbage therein and classify the garbage.

At present, the way of garbage disposal is buried and incinerated as a bulk. If you choose a landfill method, you need to find suitable landfill waste; if you choose incinerators to incinerate waste, improper handling may result in toxic environmental gases or air pollution.

As the awareness of protecting the planet continues to rise, people are beginning to face up to how to recycle the useful things in the garbage. However, with today's recycling devices and methods, it is impossible to classify the recyclables and non-recyclables that are mixed therein.

Accordingly, it is an object of the present invention to provide a garbage sorting and recycling system that effectively separates and disposes garbage bags from garbage therein.

Therefore, the garbage sorting and recycling system of the present invention is suitable for classifying the garbage in a garbage bag, and the garbage sorting and recycling system comprises a conveying device, a cutting device, a screening device, and a sorting device.

The conveying device comprises a conveyor belt for conveying the garbage bags in sequence; the cutting device is arranged on one side of the conveying device, the cutting device comprises a first dividing area, the first dividing area has a plurality of a cutting element and a first gripping mechanism, the first gripping mechanism grabs the garbage bag on the conveyor belt and moves it to the first cutting element, the first cutting element cutting the garbage bag An outer bag body, thereby obtaining a preliminary treatment; the screening device is disposed on one side of the cutting device for screening non-recycled garbage and recyclable garbage in the preliminary treatment; For classifying the recyclable garbage, the sorting device includes a blowing mechanism for blowing the recyclable garbage to divide the recyclable garbage into heavier garbage and lighter weight Garbage.

Preferably, the cutting device further includes a second dividing area disposed on one side of the first dividing area, the second dividing area has a plurality of second cutting elements and a second grasping mechanism, the second grabbing The mechanism grabs the preliminary treatment and moves it to the second cutting element, and the second cutting element cuts a first inner bag of the preliminary treatment, thereby obtaining a second treatment, which The screening device is configured to screen the non-recycled garbage and the recyclable garbage in the second treatment.

Preferably, the cutting device further includes a third dividing area disposed on one side of the second dividing area, the third dividing area has a plurality of third cutting elements and a third grasping mechanism, the third grabbing The mechanism grabs the second treatment and moves it to the third cutting element, the third cutting element cutting a second inner bag of the second treatment, thereby obtaining a third treatment The screening device is configured to screen out the non-recycled garbage and the recyclable garbage in the third processing object.

Preferably, each of the first, second and third cutting elements is an arc knife.

Preferably, the sorting device further comprises a dust collector for collecting fine floating objects, a pair of the heavy weight garbage and the light weight garbage, and the robot arm has an identification module. And a capture module, the identification module identifies different types of recyclables, and the capture module displaces the identified reclaimed materials into different classification areas.

Preferably, the screening device comprises a screening conveyor for screening non-recycled garbage, the sorting device further comprising a cutting element for cutting a small amount of garbage bags mixed with the recyclable garbage, and a hooking device A barbed net cage for a garbage bag.

Another object of the present invention is to provide a garbage sorting and recycling method that effectively separates a garbage bag from the garbage therein and classifies the garbage.

Therefore, the garbage sorting and recycling method of the present invention is suitable for classifying the garbage in a garbage bag, and the garbage sorting and recycling method comprises the following steps:

(A) sequentially transporting the garbage bag through a conveyor belt;

(B) grasping the garbage bag on the conveyor belt through a first gripping mechanism of a first dividing zone of a dividing device and moving the plurality of first cutting elements to cut an outer bag body of the garbage bag, Thereby obtaining a preliminary treatment;

(C) screen out non-recycled waste and recyclable waste in the preliminary treatment; and

(D) classifying the recyclable waste by blowing the recyclable waste through a blowing mechanism to divide the recyclable waste into heavier waste and lighter waste.

Preferably, the garbage sorting and recycling method further comprises a step (E) after the step (B) and before the step (C), the cutting device further comprising a second portion disposed on one side of the first partition a dividing area, the plurality of second cutting elements of the second dividing area cutting a first inner bag body of the preliminary processing object, thereby obtaining a second processing object, in the step (C), in the second The non-recycled garbage and recyclable garbage are selected in the secondary treatment.

Preferably, the garbage sorting and recycling method further comprises a step (F) after the step (E) and before the step (C), the cutting device further comprising a third portion disposed on one side of the second partition a plurality of third cutting elements of the third dividing zone cutting a second inner bag of the second processing object, thereby obtaining a third processing object, in the step (C), in the The three treatments were screened for non-recycled waste and recyclable waste.

Preferably, the step (D) comprises the following substeps:

(D-1) collecting fine floating objects through a dust collector; and

(D-2) classifying the heavier rubbish and the lighter rubbish by a robot arm having an identification module and a grab module, the identification module identifying different types of recycling The grab module displaces the identified reclaimed material into different sorting areas.

The effect of the invention is that the outer bag of the garbage bag can be separately cut through the design of the first cutting element of the first dividing zone of the cutting device, the second cutting element of the second dividing zone and the second cutting element of the third dividing zone. Body, or the outer bag body of the garbage bag and the first inner bag body, or the outer bag body of the garbage bag, the first inner bag body and the second inner bag body, so as to separate the garbage bag from the garbage; The weight classification of the garbage by the air blowing mechanism of the sorting device, and the sorting of the garbage by the robot arm can surely achieve the classification effect.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1 and FIG. 2, the first embodiment of the garbage sorting and recycling system of the present invention is suitable for classifying the garbage in the plurality of garbage bags 6. In this embodiment, the garbage trucks are loaded with a plurality of garbage bags 6 and poured into the garbage bags. The garbage sorting and recycling system is taken as an example, but it is also suitable to directly dump a plurality of garbage bags 6 into the garbage sorting and recycling system. The garbage sorting and recycling system comprises a conveying device 1, a cutting device 2, a screening device 3, and a sorting device 4.

The conveying device 1 comprises a conveyor belt 11 for transporting the garbage bags 6 in sequence. The cutting device 2 is disposed on one side of the conveying device 1 and includes a first dividing portion 21. The first dividing zone 21 has a plurality of first cutting elements 211 and a first gripping mechanism 212. The first grasping mechanism 212 sequentially grabs the garbage bag 6 on the conveyor belt 11 and moves it to the first cutting element 211, and the first cutting element 211 cuts an outer portion of the garbage bag 6. The bag body 61 is obtained with a preliminary treatment 62. The screening device 3 is disposed on one side of the cutting device 2 for screening non-recycled garbage and recyclable garbage in the preliminary treatment 62. The sorting device 4 is disposed on one side of the screening device 3 for classifying the recyclable garbage, and the sorting device 4 includes a blowing mechanism 41 for blowing the recyclable garbage to divide the recyclable garbage into weights. Heavier garbage and lighter weight garbage.

The specific structure of the conveying device 1, the cutting device 2, the screening device 3, and the sorting device 4 will be described in detail below. Referring to Figures 1 and 2, the conveying device 1 further includes an unloading of the garbage bag 6 by the garbage truck. A dock (not shown) and an oblique roller conveyor 12 disposed between the unloading dock and the conveyor belt 11. When the garbage bag 6 passes through the roller conveyor belt 12, it can accelerate.

The conveyor belt 11 of the conveying device 1 has a plurality of first belt bodies 111 connected to the roller conveyor belt 12 (FIG. 1 is a side view, only one of the first belt bodies 111 is shown), and the first belt body a second strip 112 connected to the 111, the width of each of the first strips 111 is greater than the width of the garbage bag 6, so that the garbage bag 6 can smoothly pass through the first strip 111 and concentrate to the second strip 112. In the present embodiment, the first cutting element 211 of the cutting device 2 is an arc knife for hot-melting an outer bag body 61 of the garbage bag 6 to obtain a preliminary treatment object 62. The first gripping mechanism 212 can be moved through a first reciprocating path or a closed path (eg, a circular path) through the first cutting element 211.

The screening device 3 includes a screening conveyor belt 31 that receives the preliminary treatment 62, and manually selects large garbage (e.g., wood) that is not recycled, and places it separately.

The sorting device 4 includes a sorting chamber 42, two slopes 43 disposed in the sorting chamber 42 and facing each other on the slope surface, and a plurality of sorting conveyor belts 44 communicating with the sorting chamber 42, the sorting chamber 42 and the two slopes 43 jointly defining an operation Space 45. The sorting chamber 42 has a bottom wall 421, a first side wall 422 and a second side wall 423 connected to opposite sides of the bottom wall 421, and a third side wall 424 extending through the third side wall 424 and screening with the screening device 3. An opening 425 in which the conveyor belt 31 is in communication. Specifically, the first side wall 422 and the second side wall 423 are located on opposite sides, and the third side wall 424 is connected to the first side wall 422 and the second side wall 423. The slope 43 is respectively connected between the first side wall 422 and the bottom wall 421, and The two side walls 423 are spaced between the bottom wall 421. The sorting conveyor belt 44 is disposed on the outer wall surface of the second side wall 423.

The blowing mechanism 41 has a first fan 411 disposed on the bottom wall 421 and a second fan 412 disposed on the first side wall 422. The first fan 411 blows all the recyclable garbage from the first direction D1 with strong wind, and blows the lighter recyclable garbage farther, in other words, makes the lighter recyclable garbage away from the first fan 411, and The heavy recyclable garbage is adjacent to the first fan 411 for sorting the weight of the garbage. The second fan 412 blows the garbage with a strong wind in a second direction D2 perpendicular to the first direction D1, so that the garbage is sorted into the sorting conveyor belt 44 by weight. That is, the sorting conveyor belt 44 is remote from the first fan 411 to collect lighter recyclable trash, and the sorting conveyor belt 44 is adjacent to the first fan 411 to collect heavier recyclable trash.

In addition, in order to effectively separate the garbage bag and the garbage from a small amount of garbage bags mixed in the recyclable garbage, the sorting device 4 further includes a plurality of cutting elements disposed on the third side wall 424 and arranged in a misaligned manner and rotatable relative to the third side wall 424 46. A barbed cage 47 disposed on an inner wall surface of the second side wall 423. The barbed cage 47 has a cage body 471 and a plurality of cutting sections 472 arranged at intervals in the cage body 471. In the present embodiment, each cutting element 46 is an arc knife adjacent the second side wall 423 for hot melt cutting a small amount of garbage bags to form a partial pocket, and the cutting element 46 is rotatable relative to the third side wall 424 as the cutting element 46 When rotated to different angles, the portion of the bag can be blown with the second fan 412 and float to the barbed cage 47 without being wrapped around the cutting member 46. And the part of the bag body floats to the barbed net cage 47, and the part of the bag body is melted by the cutting section 472. In the present embodiment, the cutting section 472 is a part of the bag body for melting the garbage bag by utilizing the arc melting principle. The sorting device 4 further includes a dust collector 48 for collecting fine floating objects (e.g., plastic pellets). The dust collector 48 is disposed above the barbed mesh cage 47 and is melted into the partial pockets within the barbed mesh cage 47. The body is sucked into the dust collector 48.

In order to enable the waste that can be recycled on the sorting conveyor 44, it can be effectively classified. The sorting device 4 also includes a pair of heavier garbage and a lighter waste sorting robotic arm 49. The robot arm 49 is disposed beside the sorting conveyor belt 44 and has an identification module 491 and a gripping module 492. The identification module 491 identifies different types of recyclables, and the capture module 492 displaces the identified reclaimed materials into different classification zones. In the present embodiment, the robot arm 49 can also be replaced with another air blowing mechanism, the reclaimed material on the sorting conveyor belt 44 is again subjected to weight sorting, and a collecting box is provided at the end of the sorting conveyor belt 44 to collect the recovered matter.

In addition, in order to facilitate the operation of the robot arm 49, the sorting device 4 further includes a plurality of hot plates (not shown) disposed on the sorting conveyor belt 44, and the hot plates are used to heat the plastic bags that are melted through the sorting conveyor belt 44.

The following is a method for sorting and recycling garbage, which is suitable for classifying garbage in a plurality of garbage bags, and the main flow of the garbage sorting and recycling method is described in detail: referring to FIG. 1, FIG. 2 and FIG. 3, step 51 is to collect garbage trucks. Stopping at the unloading dock and unloading the garbage bag 6, the garbage bag 6 passes through the first belt body 111 of the conveyor belt 11 along the roller conveyor belt 12, and then concentrates to the second belt body 112 to sequentially transport the garbage bag 6.

Step 52, sequentially grasping the garbage bag 6 on the conveyor belt 11 through the first grasping mechanism 212 and moving it to the first dividing area 21 of the cutting device 2, so that the first plurality of first dividing areas 21 are first The cutting member 211 thermally melts an outer bag body 61 of the garbage bag 6, and separates the outer bag body 61 from the internal garbage, thereby obtaining a preliminary treatment object 62.

In step 53, the preliminary treatment 62 is sent to the screening conveyor 31 of the screening device 3, and the large-sized garbage (such as wood) and the recyclable garbage that are not recovered are manually screened.

In step 54, the recyclable garbage is sent to the sorting device 4 through the screening conveyor 31, and the sorting device 4 sorts the recyclable garbage, and the recyclable garbage is blown through the first fan 411 and the second fan 412 of the blowing mechanism 41. Gas, to distinguish recyclable garbage into heavy weight garbage and lighter weight garbage.

Specifically, the recyclable garbage enters the sorting chamber 42 through the opening 425, and the first fan 411 blows all the recyclable garbage from the first direction D1 with strong wind, and blows the lighter recyclable garbage farther, in other words, The lighter recyclable garbage is moved away from the first fan 411, and the heavier recyclable garbage is adjacent to the first fan 411, and the weight classification of the garbage is performed, supplemented by the second fan 412 from the second direction D2 to the second strong wind. The garbage is blown and the garbage is sorted by weight into the sorting conveyor belt 44. That is, the sorting conveyor belt 44 is remote from the first fan 411 to collect lighter recyclable trash, and the sorting conveyor belt 44 is adjacent to the first fan 411 to collect heavier recyclable trash.

However, a small amount of garbage bags mixed in the recyclable garbage cut the garbage bag through the cutting member 46 to form a partial bag body, and the partial bag body can be blown with the second fan 412 to the barbed net cage 47, and Will not wrap around the cutting element 46, and the portion of the bag will float to the barbed cage 47, which will be melted by the plurality of cutting segments 472 of the barbed cage 47 to separate the trash bag from the recyclable trash. .

In the present embodiment, step 54 includes the following sub-steps: Referring to Figures 2 and 4, sub-step 541, when a portion of the bag of the garbage bag mixed in the recyclable garbage is blown into the barbed cage 47, The cutting section 472 fuses the partial bag body, and the partial bag body of the garbage bag of the barbed net cage 47 is sucked through the dust collector 48, and the dust collector 48 can also collect fine floating objects (such as plastic particles).

Sub-step 542, the sortable garbage passes through the sorting conveyor 44, and through the robot arm 49, the heavy-weight garbage and the light-weight garbage are respectively classified. The robot arm 49 has an identification module 491 and a capture module 492. The identification module 491 recognizes different types of recyclables, and the capture module 492 displaces the identified reclaimed materials into different classification areas.

Referring to FIG. 5 and FIG. 6, a second embodiment of the garbage sorting and recycling system of the present invention is substantially the same as the first preferred embodiment. The main difference is that the cutting device 2 further includes a second partition 22 for processing garbage. The preliminary treatment object 62 of the bag 6 has a first inner bag body 63 having a size smaller than that of the outer bag body 61.

The second dividing area 22 is disposed on one side of the first dividing area 21, and the second dividing area 22 has a height slightly lower than the first dividing area 21, and has a conveying belt 221 for receiving the preliminary processing object 62, and a plurality of second parts. Cutting element 222, and a second grasping mechanism 223. In this embodiment, each of the second grasping mechanisms 223 is an arc knife, and the second grasping mechanism 223 is the same as the first grasping mechanism 212. The second cutting element 222 of the second grasping mechanism 223 cuts the first inner bag 63 of the preliminary treatment 62, thereby obtaining a second treatment 64.

The screening conveyor belt 31 of the screening device 3 is configured to screen non-recycled garbage and recyclable garbage in the first treatment material and the second treatment material 64.

The garbage sorting and recycling method of the second embodiment of the garbage sorting and recycling system is substantially the same as the first preferred embodiment, and the main difference lies in the step 55 after the step 52 and before the step 53.

Step 55, sequentially picking up the preliminary treatment object 62 on the conveyor belt 221 through a second grasping mechanism 223, and moving it to a plurality of first cutting elements 211 to cut the first inner bag body of the preliminary treatment object 62. 63, and a second treatment 64 is obtained.

In step 53, the non-recycled garbage and the recyclable garbage are screened in the preliminary treatment object 62 and the second treatment material 64.

Referring to FIG. 7 and FIG. 8 , a third embodiment of the garbage sorting and recycling system of the present invention is substantially the same as the second preferred embodiment. The main difference is that the cutting device 2 further includes a third partition 23 for processing The secondary treatment 64 has a second inner bag body 65 having a size smaller than that of the first inner bag body 63.

The cutting device 2 further includes a third dividing area 23 disposed on one side of the second dividing area 22, the third dividing area 23 has a height slightly lower than the second dividing area 22, and the third dividing area 23 has a The secondary processing material 64 is a conveyor belt 231, a plurality of third cutting elements 232, and a third gripping mechanism 233. In this embodiment, each of the third cutting elements 232 is an arc knife, the third grasping mechanism 233 is the same as the second grasping mechanism 223, and the third cutting element 232 cuts the second processing object 64. The second inner bag body 65, in turn, obtains a third treatment 66.

The screening device 3 is configured to screen the non-recycled garbage and the recyclable garbage in the preliminary treatment object 62, the second treatment material 64 and the third treatment material 66.

The garbage sorting and recycling method of the third embodiment of the garbage sorting and recycling system is substantially the same as the second preferred embodiment, and the main difference lies in the step 56 after the step 55 and before the step 53.

Step 56, sequentially picking up the second processing object 64 on the conveyor belt 231 through a third grasping mechanism 233 and moving it to a plurality of third cutting elements 232 to cut the second processing object 64. The inner bag body 65 further obtains a second treatment 64.

In step 53, the non-recycled garbage and the recyclable garbage are screened in the preliminary treatment 62, the second treatment 64, and the third treatment 66.

In summary, the garbage sorting and recycling system of the present invention passes through the first cutting element 211 of the first dividing area 21 of the cutting device 2, the second cutting element 222 of the second dividing area 22, and the second cutting of the third dividing area 23 The component 222 is designed to separately cut the outer bag body 61 of the garbage bag 6, or the outer bag body 61 of the garbage bag 6 and the first inner bag body 63, or the outer bag body 61 of the garbage bag 6, and the first inner bag. The body 63 and the second inner bag body 65 separate the garbage bag 6 from the garbage; further, the garbage is classified by the air blowing mechanism 41 of the sorting device 4, and the robot arm 47 classifies the garbage, and the classification can be surely achieved. The efficacy of the present invention is indeed achieved.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

1. . . Conveyor

11. . . conveyor

111. . . First belt

112. . . Second belt

12. . . Roller conveyor

2. . . Cutting device

twenty one. . . First partition

211. . . First cutting element

212. . . First grabbing mechanism

twenty two. . . Second partition

221. . . conveyor

222. . . Second cutting element

223. . . Second grabbing mechanism

twenty three. . . Third partition

231. . . conveyor

232. . . Third cutting element

233. . . Third grabbing mechanism

3. . . Screening device

31. . . Screening conveyor belt

4. . . Sorting device

41. . . Hair dryer

411. . . First fan

412. . . Second fan

42. . . Classification room

421. . . Bottom wall

422. . . First side wall

423. . . Second side wall

424. . . Third side wall

425. . . Opening

43. . . Slope

44. . . Sorting conveyor

45. . . Working space

46. . . Cutting element

47. . . Barbed net cage

471. . . Net cage body

472. . . Cutting section

48. . . Dust collector

49. . . Robotic arm

491. . . Identification module

492. . . Grab module

51~56. . . step

541~542. . . Substep

6. . . garbage bag

61. . . Outer bag

62. . . Preliminary treatment

63. . . First inner bag

64. . . Second treatment

65. . . Second inner bag

66. . . Third treatment

D1. . . First direction

D2. . . Second direction

1 is a side elevational view showing a first preferred embodiment of the garbage sorting and recycling system of the present invention;

Figure 2 is a schematic cross-sectional view showing a sorting device;

Figure 3 is a flow chart illustrating the garbage sorting and recycling method of the first embodiment;

Figure 4 is a flow chart illustrating a classification method of the classification device;

Figure 5 is a side elevational view showing a second preferred embodiment of the garbage sorting and recycling system of the present invention, in which a sorting device is not depicted;

Figure 6 is a flow chart illustrating the garbage sorting and recycling method of the second embodiment;

Figure 7 is a side elevational view showing a third preferred embodiment of the garbage sorting and recycling system of the present invention, in which a sorting device is not depicted;

Figure 8 is a flow chart showing the garbage sorting and recycling method of the third embodiment.

1. . . Conveyor

11. . . conveyor

111. . . First belt

112. . . Second belt

12. . . Roller conveyor

2. . . Cutting device

twenty one. . . First partition

211. . . First cutting element

212. . . First grabbing mechanism

3. . . Screening device

31. . . Screening conveyor belt

6. . . garbage bag

61. . . Outer bag

62. . . Preliminary treatment

Claims (10)

A garbage sorting and recycling system is suitable for classifying garbage in a garbage bag, the garbage sorting and recycling system comprises: a conveying device, comprising a conveyor belt for sequentially conveying the garbage bags; a cutting device, Provided on a side of the conveying device, the cutting device includes a first dividing area, the first dividing area has a plurality of first cutting elements and a first grasping mechanism, and the first picking mechanism grasps the conveyor belt And the garbage bag is moved to the first cutting element, the first cutting element cuts an outer bag of the garbage bag, thereby obtaining a preliminary treatment; a screening device is disposed on the cutting device One side for screening non-recycled refuse and recyclable waste in the preliminary treatment; and a sorting device for sorting the recyclable waste, the sorting device including one for The recyclable garbage is blown by a blowing mechanism to divide the recyclable garbage into heavier garbage and lighter weight garbage. The garbage sorting and recycling system according to claim 1, wherein the cutting device further comprises a second dividing area disposed on one side of the first dividing area, the second dividing area having a plurality of second cutting elements and a second grasping mechanism that grasps the preliminary treatment and moves it to the second cutting element, the second cutting element cutting a first inner pocket of the preliminary treatment And obtaining a second treatment, wherein the screening device is configured to screen the non-recycled garbage and the recyclable garbage in the second treatment. The garbage sorting and recycling system according to claim 2, wherein the cutting device further comprises a third divided area disposed on one side of the second divided area, the third divided area having a plurality of third cutting elements and a third grasping mechanism that grabs the second treatment and moves it to the third cutting element, the third cutting element cutting a second of the second treatment The inner bag body further obtains a third processing object, and the screening device is configured to screen out the non-recycled garbage and the recyclable garbage in the third processing object. The garbage sorting and recycling system according to claim 3, wherein each of the first, second, and third cutting elements is an arc knife. The garbage sorting and recycling system according to claim 1, wherein the sorting device further comprises a dust collector for collecting fine floating objects, and a robot arm for the heavier garbage and the The light weight garbage is classified. The robot arm has an identification module and a grab module. The identification module recognizes different types of recyclables, and the grab module displaces the identified recyclables into different categories. The area is stacked. The garbage sorting and recycling system according to claim 1, wherein the screening device comprises a screening conveyor belt for screening non-recycled garbage, and the sorting device further comprises a cutting medium mixed with recyclable garbage. A cutting element of a small amount of garbage bags, and a barbed net cage for hooking the garbage bag. A garbage sorting and recycling method is suitable for classifying garbage in a garbage bag, and the garbage sorting and recycling method comprises the following steps: (A) transporting the garbage bag through a conveyor belt; (B) passing through a dividing device a first picking mechanism of a divided area grabs the garbage bag on the conveyor belt and moves it to a plurality of first cutting elements to cut an outer bag of the garbage bag, thereby obtaining a preliminary treatment; C) screening the non-recycled refuse and recyclable waste in the preliminary treatment; and (D) classifying the recyclable waste, and blowing the recyclable waste through a blowing mechanism to The recyclable waste is divided into heavier waste and lighter waste. According to the garbage classification and recovery method of claim 7, further comprising a step (E) after the step (B) and before the step (C), the cutting device further comprising a first segmentation a second dividing area on one side of the area, the plurality of second cutting elements of the second dividing area cutting a first inner bag body of the preliminary processing object, thereby obtaining a second processing object, in the step (C) In the second treatment, non-recycled garbage and recyclable garbage are screened out. According to the garbage classification and recovery method of claim 8, the method further comprises a step (F) after the step (E) and before the step (C), the cutting device further comprising a second segmentation a third dividing zone on one side of the zone, the plurality of third cutting elements of the third dividing zone cutting a second inner bag of the second processing object, thereby obtaining a third processing object, in the step (C In the third treatment, non-recycled garbage and recyclable garbage are screened out. The garbage sorting and recycling method according to claim 7, wherein the step (D) comprises the following substeps: (D-1) collecting fine floating objects through a dust collector; and (D-2) transmitting through a machine The arm classifies the heavier garbage and the lighter weight garbage, the robot arm has an identification module and a grab module, the identification module identifies different types of recyclables, and the grab module will The identified reclaimed material is displaced and stacked in different classification areas.