Belt feeding device for plastic waste and feeding method thereof

Abstract

The present invention discloses a belt feeding device for plastic waste and a feeding method thereof, comprising: a frame, a cleaning mechanism, a water spraying mechanism and an automatic switching mechanism, the frame comprising two fixed plates and a belt conveyor, the belt conveyor being fixedly installed between the two fixed plates, a plurality of push plates being fixedly connected at equal intervals on the surface of the belt conveyor, a fixed box and a No. 1 support assembly being fixedly installed together at the lower ends of the two fixed plates, a No. 2 support assembly being fixedly connected to the lower end of the fixed box, and a beneficial effect thereof being that: through the elastic force of the No. 1 spring, one side of the cleaning wipe is pressed against the bottom of the belt conveyor, and when the belt conveyor moves, the surface of the belt conveyor is easily cleaned by the cleaning wipe, which not only avoids pollution to the environment and the device, but also solves the problem of corrosion to the device and shortening the service life of the device.

Description

Technical Field

[0001] The present invention relates to the technical field of belt feeding, in particular to a belt feeding device for plastic waste and a feeding method thereof. Background Art

[0002] Plastic waste, a major waste stream in modern society, is not only complex in type but also contains various pollutants, labels, and composite materials. Its treatment is crucial for environmental protection and resource recycling. To utilize this waste more efficiently and environmentally friendly, recycling and reprocessing have become common treatment methods.

[0003] While existing belt feeders effectively load plastic waste during recycling and reprocessing, some debris and contaminants adhere to the device's surface during use. Some of this debris and contaminants may fall off due to vibration during operation, polluting the environment. Others stubbornly cling to the device, making it difficult to clean and contaminating it. This can also corrode and shorten its lifespan.

[0004] Therefore, a belt feeding device and a feeding method for plastic waste are needed to solve the above problems. Summary of the Invention

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of this application to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions should not be used to limit the scope of the present invention.

[0006] In view of the above problems of a belt feeding device for plastic waste and a feeding method thereof, the present invention is proposed.

[0007] Therefore, the purpose of the present invention is to provide a belt feeding device for plastic waste and a feeding method thereof, which are used to solve the problem that "in the process of recycling and reprocessing, although the existing belt feeding device can effectively feed plastic waste, some debris and pollutants will adhere to the surface of the device during use. Some of these debris and pollutants may fall off due to the vibration of the device during operation, causing pollution to the environment; the other part stubbornly adheres to the device and is difficult to clean, which not only pollutes the device, but may also corrode the device and shorten the service life of the device."

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions: a belt feeding device for plastic waste, comprising:

[0009] A frame, comprising two fixed plates and a belt conveyor, wherein the belt conveyor is fixedly mounted between the two fixed plates, a plurality of push plates being fixedly connected at equal intervals to the surface of the belt conveyor, a fixed box and a first support assembly being fixedly mounted on the lower ends of the two fixed plates, and a second support assembly being fixedly connected to the lower end of the fixed box;

[0010] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0011] A water spraying mechanism, comprising a threaded barrel and a straight barrel, wherein the threaded barrel is fixedly embedded in the inner wall of the rotating roller, one end of the straight barrel is fixedly connected to the side wall of the connecting plate, a rectangular block is slidably connected to the inner wall of the straight barrel, one side of the rectangular block is fixedly connected to a cross rod, the other end of the cross rod passes through the straight barrel and is fixedly connected to a threaded block, the threaded block and the threaded barrel are threadedly connected, one side of the threaded block is fixedly connected to a push rod, the other end of the push rod is fixedly connected to a piston plate, the water spraying mechanism further comprises a connecting pipe, the connecting pipe is fixedly connected to the inner wall of the water storage chamber, and the connecting pipe is used to connect the water storage chamber and the extrusion chamber;

[0012] An automatic switching mechanism, wherein the automatic switching mechanism is arranged in multiple groups, each group of the automatic switching mechanisms includes a piston block and multiple nozzles, each of the piston blocks is slidably connected to the inner wall of the trapezoidal cavity, one end of the multiple piston blocks is fixedly connected to a No. 1 magnet, and the other end of each No. 1 magnet is fixedly connected to two No. 2 springs, the automatic switching mechanism also includes a No. 2 magnet, which is fixedly connected to the inner wall of the arc-shaped shell, and the other end of the No. 2 magnet is fixedly connected to a sponge.

[0013] As a preferred solution of the belt feeding device for plastic waste described in the present invention, the tightening assembly includes a fixed frame and two connecting rods, the fixed frame is fixedly connected to the inner wall of the fixed box, one end of the two connecting rods are rotatably connected to the side wall of the connecting plate, the other ends of the two connecting rods are rotatably connected to a slider, two sliding rods are symmetrically fixedly connected to the inner wall of the fixed frame, each of the sliders is slidably sleeved on the sliding rod, each of the sliding rods is sleeved with a No. 1 spring, and the two ends of each No. 1 spring are respectively fixedly connected to the side wall of the slider and the inner wall of the fixed frame.

[0014] As a preferred solution of the belt feeding device for plastic waste described in the present invention, the No. 1 support assembly includes a No. 1 base and two support plates, each of the support plates is respectively fixedly connected to the fixed plate and the No. 1 base, and two No. 1 universal wheels are symmetrically fixedly installed on the lower end of the No. 1 base; the No. 2 support assembly includes a No. 2 base and a support frame, the two ends of the support frame are respectively fixedly connected to the fixed box and the No. 2 base, and two No. 2 universal wheels are symmetrically fixedly installed on the lower end of the No. 2 base, and the support frame and the two fixed plates are fixedly connected by two reinforcing rods.

[0015] As a preferred solution of the belt feeding device for plastic waste described in the present invention, a water tank is fixedly connected to the side wall of the fixed box, a submersible pump is fixedly installed in the water tank, the output end of the submersible pump is fixedly connected to a water inlet hose, the other end of the water inlet hose is connected to the inside of the water storage chamber, the water inlet hose is rotatably connected to the inner wall of the rotating roller and the rotating block, and a rotating sealing ring is sleeved on the water inlet hose.

[0016] As a preferred solution of the belt feeding device for plastic waste described in the present invention, a water outlet one-way valve is fixedly installed in the through hole.

[0017] As a preferred solution of the belt feeding device for plastic waste described in the present invention, the inner cavity of the straight cylinder is set to be rectangular, the cross bar is slidably connected to the inner wall of the straight cylinder, the piston plate is slidably connected to the inner wall of the extrusion cavity, and one end of the push rod passes through the threaded cylinder and is slidably connected to the inner wall of the threaded cylinder and the rotating roller.

[0018] As a preferred solution of the belt feeding device for plastic waste described in the present invention, a water inlet one-way valve is fixedly installed in the connecting pipe.

[0019] As a preferred solution of the belt feeding device for plastic waste described in the present invention, wherein: multiple nozzles are fixedly embedded in the inner wall of the rotating roller, and the ends of multiple No. 2 springs facing away from the No. 1 magnet are fixedly connected to the inner wall of the trapezoidal cavity.

[0020] As a preferred solution of the belt feeding device for plastic waste described in the present invention, two thread grooves with the same pitch and opposite rotation directions are provided on the inner side wall of the threaded barrel, and the two ends are connected by a transition curve, and the friction between the rotating block and the damping block is greater than the friction between the cleaning wipe and the belt conveyor.

[0021] The present invention further provides a belt feeding method for plastic waste, which uses the above-mentioned belt feeding device for plastic waste, comprising the following steps:

[0022] S1, the plastic waste is transported by a belt conveyor and a push plate, and the plastic waste falls when it reaches the highest point;

[0023] S2, under the action of the tightening assembly, one side of the cleaning wipe is pressed against the bottom of the belt conveyor, and when the belt conveyor moves, the cleaning wipe cleans the surface of the belt conveyor;

[0024] S3, when the push plate is against the cleaning wipe, it pushes the cleaning wipe to rotate clockwise and drives another clean cleaning wipe to press against the belt conveyor. During the rotation process, the cleaning brush cleans the surface of the cleaning wipe and drives the rotating roller to rotate, which in turn drives the threaded barrel to rotate. The threaded barrel drives the threaded block to move forward and then backward, and the threaded block and the push rod drive the piston plate to move forward and backward, thereby delivering clean water through the through hole to the connecting cavity;

[0025] S4, when the cleaning wipe continues to move and approaches the sponge wipe, the magnetic attraction force of the second magnet drives the first magnet to move downward, and the piston block moves downward, and the clean water enters the trapezoidal cavity through the water inlet hole and is sprayed on the sponge wipe through the nozzle, and is smeared on the cleaning wipe through the sponge wipe, thereby improving the cleaning effect of the cleaning wipe.

[0026] Beneficial effects of the present invention:

[0027] The elastic force of the No. 1 spring causes one side of the cleaning wipe to rest against the bottom of the belt conveyor. When the belt conveyor moves, the cleaning wipe facilitates cleaning the surface of the belt conveyor, which not only avoids pollution to the environment and the device, but also solves the problem of corrosion on the device and shortening its service life.

[0028] When the push plate is against the cleaning wipe, it pushes the cleaning wipe to rotate clockwise and drives another clean cleaning wipe to press against the belt conveyor. During the rotation process, the cleaning brush cleans the surface of the cleaning wipe and drives the rotating roller to rotate. The arrangement of the rotating roller, the threaded cylinder, the threaded block and the push rod drives the piston plate to move back and forth, thereby sucking in clean water through the connecting pipe and delivering it to the connecting cavity through the through hole.

[0029] When the cleaning wipe continues to move and approaches the sponge wipe, the magnetic attraction force of the second magnet drives the first magnet to move downward, and the piston block moves downward. Clean water enters the trapezoidal cavity through the water inlet hole and is sprayed onto the sponge wipe through the nozzle. The water is then smeared onto the cleaning wipe through the sponge wipe, thereby improving the cleaning effect of the cleaning wipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort. Among them:

[0031] Figure 1 This is a schematic front perspective structural diagram of a belt feeding device for plastic waste according to the present invention.

[0032] Figure 2 The present invention is a partial cross-sectional structural schematic diagram of a belt feeding device for plastic waste.

[0033] Figure 3 The present invention is a front cross-sectional structural schematic diagram of a belt feeding device for plastic waste.

[0034] Figure 4 This is a schematic diagram of the back structure of a belt feeding device for plastic waste according to the present invention.

[0035] Figure 5 The present invention is a schematic cross-sectional structural diagram of a fixed box in a belt feeding device for plastic waste.

[0036] Figure 6 The present invention is a schematic structural diagram of a rotating roller in a belt feeding device for plastic waste.

[0037] Figure 7 The present invention is a schematic cross-sectional structural diagram of a rotating roller in a belt feeding device for plastic waste.

[0038] Figure 8 The present invention is a schematic cross-sectional structural diagram of a straight cylinder in a belt feeding device for plastic waste.

[0039] Figure 9 For the present invention Figure 7 Schematic diagram of the enlarged structure at point A in the middle.

[0040] Description of the drawings: 100, frame; 101, fixed plate; 102, belt conveyor; 103, push plate; 104, support assembly No. 1; 1041, base No. 1; 1042, support plate; 1043, universal wheel No. 1; 105, support assembly No. 2; 1051, base No. 2; 1052, support frame; 1053, universal wheel No. 2; 106, fixed box; 107, reinforcement rod; 108, water tank; 108a, water inlet hose; 200, cleaning mechanism; 201, rotating shaft; 202, connecting plate; 203, rotating roller; 2031, water storage chamber; 2032, extrusion chamber; 2033, connecting chamber ; 2034, trapezoidal cavity; 204, cleaning wipe; 205, damping block; 206, arc-shaped shell; 207, cleaning brush; 208, connecting rod; 209, fixed frame; 210, slider; 211, slide rod; 212, spring No. 1; 300, water spray mechanism; 301, threaded cylinder; 302, straight cylinder; 303, rectangular block; 304, cross bar; 305, threaded block; 306, push rod; 307, piston plate; 308, connecting pipe; 400, automatic switch mechanism; 401, piston block; 402, magnet No. 1; 403, spring No. 2; 404, nozzle; 405, magnet No. 2; 406, sponge. DETAILED DESCRIPTION

[0041] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0042] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0043] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive of other embodiments.

[0044] Furthermore, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, when describing the embodiments of the present invention, cross-sectional views illustrating device structures may be partially enlarged and not to scale. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, the three-dimensional dimensions of length, width, and depth should be included. Example 1

[0045] Reference Figures 1-9, as one embodiment of the present invention, provides a belt feeding device for plastic waste, which comprises:

[0046] The frame 100 includes two fixed plates 101 and a belt conveyor 102. The belt conveyor 102 is fixedly installed between the two fixed plates 101. A plurality of push plates 103 are fixedly connected to the surface of the belt conveyor 102 at equal intervals. A fixed box 106 and a first support assembly 104 are fixedly installed at the lower ends of the two fixed plates 101. The lower end of the fixed box 106 is fixedly connected to a second support assembly 105.

[0047] The cleaning mechanism 200 includes a rotating shaft 201, which is rotatably connected to the inner wall of the fixed box 106. Two connecting plates 202 are symmetrically fixedly sleeved on the rotating shaft 201. A rotating roller 203 is provided between the two connecting plates 202. One end of the rotating roller 203 is fixedly connected to a rotating block, and the other end of the rotating block is rotatably connected to a damping block 205. The damping block 205 is fixedly mounted on the side wall of the connecting plate 202. A water storage chamber 2031, an extrusion chamber 2032, a connecting chamber 2033 and a plurality of trapezoidal chambers 2034 are provided in the rotating roller 203. The connecting chamber 2033 is connected to the extrusion chamber 203 through a through hole. 2, multiple trapezoidal cavities 2034 are connected to the connecting cavity 2033 through the water inlet hole, multiple cleaning wipes 204 are fixedly installed at equal intervals on the side wall of the rotating roller 203, an arc-shaped shell 206 is fixedly installed between the two connecting plates 202, a cleaning brush 207 is fixedly installed on the inner side wall of the arc-shaped shell 206, and a tightening assembly is fixedly installed at the lower end of the two connecting plates 202. Through the elastic force of the No. 1 spring 212, one side of the cleaning wipe 204 is pressed against the bottom of the belt conveyor 102. When the belt conveyor 102 moves, the cleaning wipe 204 facilitates cleaning the surface of the belt conveyor 102;

[0048] The water spraying mechanism 300 includes a threaded cylinder 301 and a straight cylinder 302. The threaded cylinder 301 is fixedly embedded in the inner wall of the rotating roller 203. One end of the straight cylinder 302 is fixedly connected to the side wall of the connecting plate 202. A rectangular block 303 is slidably connected to the inner wall of the straight cylinder 302. A cross bar 304 is fixedly connected to one side of the rectangular block 303. The other end of the cross bar 304 passes through the straight cylinder 302 and is fixedly connected to a threaded block 305. The threaded block 305 is threadedly connected to the threaded cylinder 301. A push rod 306 is fixedly connected to one side of the threaded block 305. The other end of the push rod 306 is fixedly connected to a piston plate 307. The water spraying mechanism 300 also includes a connecting pipe 308. The connecting pipe 308 is fixedly connected to the inner wall of the water storage chamber 2031. The connecting pipe 308 is used to connect the water storage chamber 2031 and the extrusion chamber 2032. When the push plate 103 abuts against the cleaning wipe 204, it pushes the cleaning wipe 204 to rotate clockwise and drives another clean cleaning wipe 204 to abut against the belt conveyor 102. During the rotation process, the surface of the cleaning wipe 204 is cleaned by the cleaning brush 207, and the rotating roller 203 is driven to rotate. The arrangement of the rotating roller 203, the threaded cylinder 301, the threaded block 305 and the push rod 306 drives the piston plate 307 to move back and forth, thereby sucking in clean water through the connecting pipe 308 and delivering it to the connecting chamber 2033 through the through hole;

[0049] The automatic switch mechanism 400 is provided in multiple groups. Each group of the automatic switch mechanism 400 includes a piston block 401 and multiple nozzles 404. Each piston block 401 is slidably connected to the inner wall of the trapezoidal cavity 2034. One end of each of the multiple piston blocks 401 is fixedly connected to a No. 1 magnet 402. The other end of each No. 1 magnet 402 is fixedly connected to two No. 2 springs 403. The automatic switch mechanism 400 also includes a No. 2 magnet 405. The No. 2 magnet 405 is fixedly connected to the arc-shaped shell. On the inner wall of 206, the other end of the second magnet 405 is fixedly connected to the sponge 406. When the cleaning wipe 204 continues to move and approaches the sponge 406, the magnetic attraction force of the second magnet 405 drives the first magnet 402 to move downward, and causes the piston block 401 to move downward. Clean water enters the trapezoidal cavity 2034 through the water inlet hole and is sprayed on the sponge 406 through the nozzle 404, and is smeared on the cleaning wipe 204 through the sponge 406, thereby improving the cleaning effect of the cleaning wipe 204.

[0050] Among them, the tightening assembly includes a fixed frame 209 and two connecting rods 208. The fixed frame 209 is fixedly connected to the inner wall of the fixed box 106. One end of the two connecting rods 208 is rotatably connected to the side wall of the connecting plate 202. The other end of the two connecting rods 208 is rotatably connected to a slider 210. Two slide rods 211 are symmetrically fixedly connected to the inner wall of the fixed frame 209. Each slider 210 is slidably sleeved on the slide rod 211. Each slide rod 211 is sleeved with a No. 1 spring 212. The two ends of each No. 1 spring 212 are respectively fixedly connected to the side wall of the slider 210 and the inner wall of the fixed frame 209. The elastic force of the No. 1 spring 212 makes the cleaning wipe 204 press against the bottom of the belt conveyor 102.

[0051] Among them, the No. 1 support component 104 includes a No. 1 base 1041 and two support plates 1042, each support plate 1042 is fixedly connected to the fixed plate 101 and the No. 1 base 1041 respectively, and two No. 1 universal wheels 1043 are symmetrically fixedly installed at the lower end of the No. 1 base 1041. The No. 2 support component 105 includes a No. 2 base 1051 and a support frame 1052, and the two ends of the support frame 1052 are fixedly connected to the fixed box 106 and the No. 2 base 1051 respectively, and two No. 2 universal wheels 1053 are symmetrically fixedly installed at the lower end of the No. 2 base 1051. The support frame 1052 is fixedly connected to the two fixed plates 101 by two reinforcing rods 107, and the device is supported by the No. 1 support component 104 and the No. 2 support component 105.

[0052] Among them, a water tank 108 is fixedly connected to the side wall of the fixed box 106, and a submersible pump is fixedly installed in the water tank 108. The output end of the submersible pump is fixedly connected to a water inlet hose 108a, and the other end of the water inlet hose 108a is connected to the inside of the water storage chamber 2031. The water inlet hose 108a is rotatably connected to the inner wall of the rotating roller 203 and the rotating block. A rotating sealing ring is provided on the water inlet hose 108a, which facilitates the replenishment of fresh water through the submersible pump and the water inlet hose 108a.

[0053] Among them, a water outlet one-way valve is fixedly installed in the through hole, and clean water enters the trapezoidal cavity 2034 through the water inlet hole.

[0054] Among them, the inner cavity of the straight cylinder 302 is set to be rectangular, the cross bar 304 is slidably connected to the inner wall of the straight cylinder 302, the piston plate 307 is slidably connected to the inner wall of the extrusion chamber 2032, and one end of the push rod 306 passes through the threaded cylinder 301 and is slidably connected to the inner wall of the threaded cylinder 301 and the rotating roller 203, and the piston plate 307 is driven to move by the push rod 306.

[0055] A water inlet one-way valve is fixedly installed in the connecting pipe 308 , and clean water is sucked in through the connecting pipe 308 and transported to the connecting cavity 2033 through the through hole.

[0056] Among them, multiple nozzles 404 are fixedly embedded in the inner wall of the rotating roller 203, and the ends of multiple No. 2 springs 403 facing away from the No. 1 magnet 402 are fixedly connected to the inner wall of the trapezoidal cavity 2034, and the No. 2 springs 403 are used to reset the piston block 401.

[0057] Among them, two thread grooves with the same pitch and opposite rotation direction are opened on the inner wall of the threaded barrel 301, and the two ends are connected by a transition curve. The friction between the rotating block and the damping block 205 is greater than the friction between the cleaning wipe 204 and the belt conveyor 102. The threaded barrel 301 drives the threaded block 305 to move forward and then move backward. Example 2

[0058] A belt feeding method for plastic waste, based on the first embodiment, comprises the following steps:

[0059] S1, the plastic waste is transported by the belt conveyor 102 and the push plate 103, and the plastic waste falls when it reaches the highest point;

[0060] S2, under the action of the tightening assembly, one side of the cleaning wipe 204 is pressed against the bottom of the belt conveyor 102, and when the belt conveyor 102 moves, the surface of the belt conveyor 102 is cleaned by the cleaning wipe 204;

[0061] S3, when the push plate 103 abuts against the cleaning wipe 204, it pushes the cleaning wipe 204 to rotate clockwise and drives another clean cleaning wipe 204 to abut against the belt conveyor 102. During the rotation process, the cleaning brush 207 cleans the surface of the cleaning wipe 204 and drives the rotating roller 203 to rotate, which in turn drives the threaded cylinder 301 to rotate. The threaded cylinder 301 drives the threaded block 305 to move forward and then backward. The threaded block 305 and the push rod 306 drive the piston plate 307 to move forward and backward, thereby delivering clean water through the through hole into the connecting chamber 2033;

[0062] S4, when the cleaning wipe 204 continues to move and approaches the sponge wipe 406, the magnetic attraction force of the second magnet 405 drives the first magnet 402 to move downward, and causes the piston block 401 to move downward, and the clean water enters the trapezoidal cavity 2034 through the water inlet hole and is sprayed on the sponge wipe 406 through the nozzle 404, and is smeared on the cleaning wipe 204 through the sponge wipe 406, thereby improving the cleaning effect of the cleaning wipe 204.

[0063] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A belt feeding device for plastic waste, characterized in that: include: A frame (100), the frame (100) comprising two fixed plates (101) and a belt conveyor (102), the belt conveyor (102) being fixedly mounted between the two fixed plates (101), a plurality of push plates (103) being fixedly connected at equal intervals on the surface of the belt conveyor (102), a fixed box (106) and a first support assembly (104) being fixedly mounted on the lower ends of the two fixed plates (101), and a second support assembly (105) being fixedly connected to the lower end of the fixed box (106); A cleaning mechanism (200) comprising a rotating shaft (201), the rotating shaft (201) being rotatably connected to the inner wall of a fixed box (106), two connecting plates (202) being symmetrically fixedly sleeved on the rotating shaft (201), a rotating roller (203) being provided between the two connecting plates (202), one end of the rotating roller (203) being fixedly connected to a rotating block, the other end of the rotating block being rotatably connected to a damping block (205), the damping block (205) being fixedly mounted on the side wall of the connecting plate (202), and a water storage chamber (2031) and an extrusion chamber (2032) being provided in the rotating roller (203). , a connecting chamber (2033) and a plurality of trapezoidal chambers (2034), the connecting chamber (2033) being connected to the extrusion chamber (2032) via a through hole, the plurality of trapezoidal chambers (2034) being connected to the connecting chamber (2033) via a water inlet hole, a water outlet one-way valve being fixedly installed in the through hole, a plurality of cleaning wipes (204) being fixedly installed at equal intervals on the side wall of the rotating roller (203), an arc-shaped shell (206) being fixedly installed between the two connecting plates (202), a cleaning brush (207) being fixedly installed on the inner side wall of the arc-shaped shell (206), and a tightening assembly being fixedly installed at the lower ends of the two connecting plates (202); A water spray mechanism (300), comprising a threaded cylinder (301) and a straight cylinder (302), wherein the threaded cylinder (301) is fixedly embedded in the inner wall of the rotating roller (203), one end of the straight cylinder (302) is fixedly connected to the side wall of the connecting plate (202), a rectangular block (303) is slidably connected to the inner wall of the straight cylinder (302), one side of the rectangular block (303) is fixedly connected to a crossbar (304), and the other end of the crossbar (304) passes through the straight cylinder (302) and is fixedly connected to the threaded block (305). The threaded block (305) is threadedly connected to the threaded barrel (301), one side of the threaded block (305) is fixedly connected to a push rod (306), and the other end of the push rod (306) is fixedly connected to a piston plate (307). The water spraying mechanism (300) further includes a connecting pipe (308), the connecting pipe (308) is fixedly connected to the inner wall of the water storage chamber (2031), the connecting pipe (308) is used to connect the water storage chamber (2031) and the extrusion chamber (2032), and a water inlet check valve is fixedly installed in the connecting pipe (308); An automatic switch mechanism (400) is provided, wherein the automatic switch mechanism (400) is provided in a plurality of groups, each group of the automatic switch mechanism (400) comprises a piston block (401) and a plurality of nozzles (404), each piston block (401) is slidably connected to the inner wall of the trapezoidal cavity (2034), one end of the plurality of piston blocks (401) is fixedly connected to a No. 1 magnet (402), and the other end of each No. 1 magnet (402) is fixedly connected to two No. 2 springs (403), and the automatic switch mechanism (400) further comprises a No. 2 magnet (405), the No. 2 magnet (405) is fixedly connected to the inner wall of the arc-shaped housing (206), and the other end of the No. 2 magnet (405) is fixedly connected to a sponge (406).

2. A belt feeding device for plastic waste according to claim 1, characterized in that: The tightening assembly includes a fixed frame (209) and two connecting rods (208), the fixed frame (209) is fixedly connected to the inner wall of the fixed box (106), one end of the two connecting rods (208) is rotatably connected to the side wall of the connecting plate (202), and the other end of the two connecting rods (208) is rotatably connected to a slider (210), and two sliding rods (211) are symmetrically fixedly connected to the inner wall of the fixed frame (209), each of the sliding rods (210) is slidably sleeved on the sliding rod (211), and each of the sliding rods (211) is sleeved with a No. 1 spring (212), and the two ends of each No. 1 spring (212) are respectively fixedly connected to the side wall of the slider (210) and the inner wall of the fixed frame (209).

3. The belt feeding device for plastic waste according to claim 1, characterized in that: The No. 1 support assembly (104) comprises a No. 1 base (1041) and two support plates (1042), each of the support plates (1042) being fixedly connected to the fixed plate (101) and the No. 1 base (1041), and two No. 1 universal wheels (1043) being symmetrically fixedly mounted on the lower end of the No. 1 base (1041). The No. 2 support assembly (105) comprises a No. 2 base (1051) and a support frame (1052), and both ends of the support frame (1052) are fixedly connected to the fixed box (106) and the No. 2 base (1051), and two No. 2 universal wheels (1053) are symmetrically fixedly mounted on the lower end of the No. 2 base (1051). The support frame (1052) is fixedly connected to the two fixed plates (101) via two reinforcing rods (107).

4. The belt feeding device for plastic waste according to claim 1, characterized in that: A water tank (108) is fixedly connected to the side wall of the fixed box (106), a submersible pump is fixedly installed in the water tank (108), an output end of the submersible pump is fixedly connected to a water inlet hose (108a), the other end of the water inlet hose (108a) is communicated with the interior of the water storage chamber (2031), the water inlet hose (108a) is rotatably connected to the inner wall of the rotating roller (203) and the rotating block, and a rotating sealing ring is sleeved on the water inlet hose (108a).

5. The belt feeding device for plastic waste according to claim 1, characterized in that: The inner cavity of the straight cylinder (302) is configured to be rectangular, the cross bar (304) is slidably connected to the inner wall of the straight cylinder (302), the piston plate (307) is slidably connected to the inner wall of the extrusion cavity (2032), and one end of the push rod (306) passes through the threaded cylinder (301) and is slidably connected to the inner wall of the threaded cylinder (301) and the rotating roller (203).

6. The belt feeding device for plastic waste according to claim 1, characterized in that: The plurality of nozzles (404) are fixedly embedded in the inner wall of the rotating roller (203), and the ends of the plurality of second springs (403) facing away from the first magnet (402) are fixedly connected to the inner wall of the trapezoidal cavity (2034).

7. The belt feeding device for plastic waste according to claim 1, characterized in that: Two thread grooves with the same pitch and opposite rotation directions are provided on the inner side wall of the threaded barrel (301), and the two ends are connected by a transition curve. The friction force between the rotating block and the damping block (205) is greater than the friction force between the cleaning wipe (204) and the belt conveyor (102).

8. A belt feeding method for plastic waste, using a belt feeding device for plastic waste according to any one of claims 2 to 7, characterized in that: The following steps are involved: S1, conveying the plastic waste through the belt conveyor (102) and the push plate (103), and the plastic waste falls when it reaches the highest point; S2, under the action of the tightening assembly, one side of the cleaning wipe (204) is pressed against the bottom of the belt conveyor (102), and when the belt conveyor (102) moves, the surface of the belt conveyor (102) is cleaned by the cleaning wipe (204); S3, when the push plate (103) is against the cleaning wipe (204), the cleaning wipe (204) is pushed to rotate clockwise and drives another clean cleaning wipe (204) to press against the belt conveyor (102). During the rotation process, the cleaning brush (207) cleans the surface of the cleaning wipe (204), and drives the rotating roller (203) to rotate, and drives the threaded barrel (301) to rotate through the rotating roller (203). The threaded barrel (301) drives the threaded block (305) to move forward and then backward, and drives the piston plate (307) to move forward and backward through the threaded block (305) and the push rod (306), thereby transporting clean water through the through hole into the connecting cavity (2033); S4, when the cleaning wipe (204) continues to move and approaches the sponge wipe (406), the magnetic attraction force of the second magnet (405) drives the first magnet (402) to move downward, and causes the piston block (401) to move downward, and clean water enters the trapezoidal cavity (2034) through the water inlet hole and is sprayed on the sponge wipe (406) through the nozzle (404), and is smeared on the cleaning wipe (204) through the sponge wipe (406), thereby improving the cleaning effect of the cleaning wipe (204).

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