Plastic waste recovery equipment

Abstract

The invention relates to the technical field of plastic waste recovery, in particular to plastic waste recovery equipment which comprises a crushing recovery box body, and a multi-point feeding mechanism used for conducting rotary multi-point feeding on plastic bottles is arranged on the rear side of the top of the crushing recovery box body. According to the multi-point feeding mechanism, the plastic bottles in the stirring cylinder are driven to rotate through rotary stirring of the stirring assembly in the multi-point feeding mechanism, impurities in the plastic bottles are discharged through filtering holes in the bottom of the filtering cylinder, and the plastic bottles are crushed through the rotating crushing mechanism. The stirring assembly drives the rotary switching assembly to rotate while stirring, multi-point uniform feeding is achieved, rotary shearing and crushing of plastic bottles are achieved through the rotary crushing mechanism, primary crushing of the plastic bottles is achieved, reciprocating shearing and crushing are conducted on the sheared plastic bottles through the reciprocating shearing and crushing mechanism, and secondary crushing of the plastic bottles is achieved. And the cleaning mechanism realizes rotary flushing and filtering of the plastic fragments.

Description

Technical Field

[0001] The present invention belongs to the technical field of plastic waste recycling, and particularly relates to a plastic waste recycling device. Background Art

[0002] Plastic waste recycling refers to a series of processes of collecting, classifying, and processing used plastic products and their waste, and finally converting them into reusable raw materials or products. In the process of plastic waste recycling, various equipment such as crushers, washing machines, sorting machines, and granulators are required. Among them, plastic crushing is one of the important steps. There are various types of recyclable plastics, and plastic bottles are one of the most common types. The following problems exist in the current plastic bottle crushing and recycling process:

[0003] 1. Before plastic bottles are crushed, they usually need to be lifted and fed by a hoist. However, during the lifting and feeding process, although the feeding speed can be adjusted, the feeding position is fixed, and the feeding layout is unreasonable, which easily leads to material accumulation in local areas, resulting in overuse of local crushing equipment and affecting the crushing efficiency.

[0004] 2. During the plastic bottle crushing process, two sets of relatively rotating shear knives are usually used for shear crushing. However, due to the relatively smooth surface of plastic bottles themselves, they are prone to bouncing during the crushing process, reducing the crushing efficiency. And usually, two sets of shear knives are used for single-stage shearing, and the shearing and crushing effect is poor.

[0005] 3. After the plastic bottles are crushed and sheared, the plastic fragments after shearing need to be cleaned. The common cleaning method is to soak the fragments in a cleaning tank for soaking and cleaning, and they are conveyed by a conveying shaft while soaking. However, when conveying, the plastic sheets float on the water surface, making it difficult to thoroughly clean the crushed plastic sheets, and the cleaning effect is poor. Summary of the Invention

[0006] The purpose of the present invention is to provide a plastic waste recycling device with a simple structure and reasonable design to solve the above problems.

[0007] The present invention realizes the above purpose through the following technical solutions:

[0008] A plastic waste recycling device includes a crushing and recycling box body. A multi-point feeding mechanism is arranged at the rear side of the top of the crushing and recycling box body. A rotary crushing mechanism is arranged on the crushing and recycling box body, and a reciprocating shear crushing mechanism is arranged on the crushing and recycling box body. The rotary crushing mechanism and the reciprocating shear crushing mechanism are connected by a belt drive. A cleaning mechanism is arranged at the lower part of the crushing and recycling box body.

[0009] The rotary crushing mechanism includes an L-shaped plate fixedly connected to the top of the crushing and recycling box body. A second servo motor is fixedly installed on the top of the L-shaped plate. Two first linkage shafts rotatably penetrate through the top of the crushing and recycling box body. The right end of the first linkage shaft located at the rear is fixedly connected to the output end of the second servo motor. Fixed sleeves are provided at the right ends of the two first linkage shafts with driving gears meshing with each other. Fixed sleeves are provided in the middle of the two first linkage shafts inside the crushing and recycling box body with shearing drums. A number of shearing discs are arranged staggeredly on the two shearing drums. And a number of guide plates are fixedly installed on the top of the front and rear inner walls of the crushing and recycling box body. The guide plates are located between two adjacent shearing discs on the shearing drums.

[0010] Preferably, the multi-point feeding mechanism includes two second fixing frames fixedly connected to the top of the rear side of the crushing and recycling box body. An installation ring is fixedly installed on the top of the two second fixing frames together. A stirring barrel is fixedly sleeved inside the installation ring. A stirring component is arranged on the stirring barrel. And a rotary switching component is arranged at the lower part of the stirring barrel. A feed hopper is fixedly installed on the top of the rear side of the crushing and recycling box body. The feed hopper is communicated with the inside of the stirring barrel.

[0011] Preferably, the stirring component includes a first servo motor fixedly installed at the center of the top of the stirring barrel. The output end of the first servo motor rotatably penetrates through the center of the top of the stirring barrel and is fixedly connected with a vertical shaft. A number of stirring plates are fixedly installed evenly on the outside of the vertical shaft.

[0012] Preferably, the rotary switching component includes two annular tracks fixedly sleeved on the outside bottom of the stirring barrel. An annular sealing plate is rotatably connected between the two annular tracks. The inner wall of the annular sealing plate is rotationally and tightly attached to the outer wall of the stirring barrel for sealing. A number of discharge ports are evenly opened at the bottom of the stirring barrel close to the direction of the crushing and recycling box body. The bottom of the vertical shaft rotatably penetrates through the center of the bottom of the stirring barrel and is fixedly installed with a connecting rod. A linkage arm is fixedly installed at the bottom of the connecting rod. A feeding pipe is fixedly installed at the end of the linkage arm away from the connecting rod. The feeding pipe is fixedly installed on the outside of the annular sealing plate. And the feeding pipe is communicated with the inner wall of the annular sealing plate. A number of filter holes are opened on the rear side of the inner bottom surface of the stirring barrel. And a discharge baffle is fixedly installed at the rear side of the bottom of the stirring barrel.

[0013] Preferably, two first fixing frames are fixedly installed on the front side of the crushing and recycling box body. A first mounting plate is fixedly installed at the ends of the two first fixing frames away from the crushing and recycling box body together. A number of blowers are evenly installed on the first mounting plate. Support legs are respectively fixedly installed at the four corners of the bottom of the crushing and recycling box body.

[0014] Preferably, the reciprocating shearing and crushing mechanism includes two inclined baffles fixedly installed inside the crushing and recycling box body front and back. Both inclined baffles are located below the rotary crushing mechanism. Two guiding baffles are fixedly installed between the two inclined baffles. Vertical plates are fixedly installed at the bottoms of the two inclined baffles. A reciprocating power assembly is arranged above the inside of the crushing and recycling box body. The reciprocating power assembly is arranged on the reciprocating cutting assembly, and both the reciprocating cutting assembly and the reciprocating power assembly are located below the vertical plates.

[0015] Preferably, the reciprocating cutting assembly includes four guiding rods fixedly connected in a rectangular shape above the inside of the crushing and recycling box body. The four guiding rods are divided into two groups. Two limiting heads are slidably connected to the left and right on the guiding rods. The limiting heads on the two guiding rods in the same group are jointly fixedly installed on a second mounting plate. A number of cutting blades are evenly installed on the second mounting plate.

[0016] Preferably, the reciprocating power assembly includes two second linkage shafts rotatably penetrating through the left side of the crushing and recycling box body. The second linkage shafts are connected to the first linkage shaft through a belt drive. Cylindrical cams are fixedly installed at the right ends of the two second linkage shafts. A cam groove is formed in the middle outer wall of the cylindrical cam. A roller is rollingly connected up and down inside the cam groove. Two connecting plates are fixedly installed on the left side of the second mounting plate. A gantry is jointly fixedly installed on the side of the two connecting plates away from the second mounting plate. The roller is rotatably connected to the gantry. A limiting rod is fixed at the center of the right side of the cylindrical cam. The limiting rod slidably penetrates through the gantry, and a stop block is fixed at the end of the limiting rod away from the cylindrical cam.

[0017] Preferably, the cleaning mechanism includes a collecting hopper fixedly installed inside the crushing and recycling box body. The collecting hopper is arranged below the reciprocating shearing and crushing mechanism. One end of a feed pipe is fixedly installed at the center of the bottom of the collecting hopper. The other end of the feed pipe is fixedly installed with a first fixing ring. A rotary filtering component is arranged at the end of the first fixing ring away from the feed pipe. The rotary filtering component includes a filtering cylinder rotatably connected to the first fixing ring. A number of through holes are evenly formed in the filtering cylinder. A number of stirring rods are installed in the middle of the inner wall of the filtering cylinder. A number of arc-shaped blades are fixedly installed on the left and right sides of the inner wall of the filtering cylinder. A flushing component is jointly arranged inside the feed pipe and the rotary filtering component. The flushing component includes a water inlet pipe fixedly penetrating through the rear side of the feed pipe. One end of the water inlet pipe is fixedly installed with a shunt pipe. The shunt pipe is located inside the filtering cylinder. First nozzles facing the positions of the arc-shaped blades are fixedly installed at both the left and right ends of the shunt pipe. A number of second nozzles are evenly installed in the middle of the shunt pipe. The end of the filtering cylinder away from the first fixing ring is rotatably connected to a second fixing ring. A discharge pipe is fixedly installed at the end of the second fixing ring away from the filtering cylinder. The discharge pipe fixedly penetrates through the lower part of the left side of the crushing and recycling box body.

[0018] Preferably, a filter box is fixedly installed on the inner bottom surface of the crushing and recycling box body. A filter screen is fixedly installed in the upper part of the filter box, and an activated carbon filter layer is arranged in the lower part of the filter box. A water pump is fixedly installed at the center of the inner bottom surface of the filter box. The output end of the water pump is fixedly installed with a circulation pipe, and the circulation pipe fixedly penetrates through the bottom of the rear side of the crushing and recycling box body. Two guiding and collecting plates are symmetrically fixedly installed on the front and back of the middle and lower part of the inner wall of the crushing and recycling box body, and the guiding and collecting plates are located between the filter box and the cleaning mechanism.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. Through the rotation and stirring of the stirring component in the multi-point feeding mechanism of the present invention, the plastic bottles in the stirring cylinder are driven to rotate, and the impurities therein are discharged through the filter holes at the bottom of the filter cylinder. While the stirring component is stirring, it drives the rotation switching component to rotate, realizing multi-point uniform feeding and avoiding the situation of plastic bottle accumulation caused by single-point feeding.

[0021] 2. The present invention realizes the rotary shearing and crushing of plastic bottles through the rotary crushing mechanism, achieving the primary crushing of plastic bottles. The rotary crushing mechanism and the reciprocating shearing and crushing mechanism are integrated and linked. While the rotary crushing mechanism is rotating and shearing, it drives the reciprocating shearing and crushing mechanism to perform reciprocating shearing and crushing on the plastic bottles after the above-mentioned shearing, realizing the secondary crushing of plastic bottles. Through two-stage crushing with the acting directions perpendicular to each other, the crushing effect is improved.

[0022] 3. Through the setting of the cleaning mechanism of the present invention, the crushed plastic fragments are conveyed into the filter cylinder, and the plastic fragments are subjected to high-pressure flushing by the flushing component. Compared with the method of soaking and stirring cleaning in a water tank, it avoids the problem of poor cleaning effect caused by the fragments floating on the water surface. At the same time, the water flow of the flushing component during flushing synchronously drives the rotary filtering component to rotate, realizing the rotary flushing and filtering of the plastic fragments. During rotation, the fragments fall from top to bottom, further improving the effect of impurities falling off from the plastic fragments.

[0023] 4. Through the blowing of the fan from top to bottom, it is convenient to blow the plastic bottles after feeding downward and press them onto the rotary crushing mechanism, facilitating the use of the rotary crushing mechanism to crush the plastic bottles, reducing the probability of the plastic bottles bouncing during crushing, and when blowing, reducing the temperature of the rotary crushing mechanism, avoiding the problem of plastic bottle melting caused by overheating of the shearing drum during long-term crushing. And after blowing, it further improves the effect of dust and impurities falling off from the plastic. Description of the Drawings

[0024] Figure 1 is the three-dimensional view of the overall structure of the present invention;

[0025] Figure 2 is the three-dimensional view of the multi-point feeding mechanism of the present invention;

[0026] Figure 3 is a three-dimensional partial sectional view of the multi-point feeding mechanism of the present invention;

[0027] Figure 4 is a partial sectional view of the crushing and recycling box of the present invention;

[0028] Figure 5 is a three-dimensional bottom view of the rotary crushing mechanism and the reciprocating shear crushing mechanism of the present invention;

[0029] Figure 6 is a three-dimensional view of the reciprocating shear crushing mechanism of the present invention;

[0030] Figure 7 is of the present invention Figure 6 enlarged schematic view of area A;

[0031] Figure 8 is a three-dimensional view of the cleaning mechanism of the present invention;

[0032] Figure 9 is a three-dimensional partial sectional view of the cleaning mechanism of the present invention;

[0033] Figure 10 is of the present invention Figure 9 enlarged schematic view of area B;

[0034] Figure 11 is a three-dimensional partial sectional view of the guiding and collecting plate, filter screen, activated carbon filter layer and filter box of the present invention.

[0035] In the figure: 1. Crushing and recycling box body; 2. Cleaning mechanism; 21. Collection hopper; 22. Flushing assembly; 221. Water inlet pipe; 222. First nozzle; 223. Second nozzle; 224. Shunt pipe; 23. Feed pipe; 24. First fixing ring; 25. Rotary filtering assembly; 251. Filter cylinder; 252. Stirring rod; 253. Arc-shaped blade; 26. Second fixing ring; 27. Discharge pipe; 3. Support leg; 4. Multi-point feeding mechanism; 41. Stirring cylinder; 42. Feed hopper; 43. Stirring assembly; 431. First servo motor; 432. Vertical shaft; 433. Stirring plate; 44. Mounting ring; 45. Rotary switching assembly; 451. Ring track; 452. Feeding pipe; 453. Linkage arm; 454. Connecting rod; 455. Ring-shaped sealing plate; 456. Discharge baffle; 457. Discharge port; 46. Filter hole; 47. Second fixing frame; 5. Fan; 6. First mounting plate; 7. First fixing frame; 8. Rotary crushing mechanism; 81. L-shaped plate; 82. Second servo motor; 83. Driving gear; 84. Shearing drum; 85. Guide plate; 86. First linkage shaft; 9. Reciprocating shearing and crushing mechanism; 91. Oblique baffle; 92. Guide baffle; 93. Reciprocating cutting assembly; 931. Guide rod; 932. Limit head; 933. Cutting blade; 934. Second mounting plate; 94. Reciprocating power assembly; 941. Cylindrical cam; 942. Second linkage shaft; 943. Roller; 944. Limit rod; 945. Stopper; 946. Gantry; 947. Connecting plate; 95. Vertical plate; 10. Guide collecting plate; 11. Filter screen; 12. Activated carbon filter layer; 13. Circulation pipe; 14. Water pump; 15. Filter box. Detailed implementation mode

[0036] The following further describes the present application in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation modes are only used to further illustrate the present application and cannot be understood as limiting the protection scope of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.

[0037] Example: Please refer to Figure 1, A plastic waste recycling device, including a crushing and recycling box body 1. There is a multi-point feeding mechanism 4 for rotating multi-point feeding of plastic bottles at the rear side of the top of the crushing and recycling box body 1. There is a rotary crushing mechanism 8 for rotary shearing and crushing of plastic bottles on the crushing and recycling box body 1, and there is a reciprocating shearing and crushing mechanism 9 for reciprocating shearing and crushing of plastic bottles on the crushing and recycling box body 1. The rotary crushing mechanism 8 and the reciprocating shearing and crushing mechanism 9 are connected by belt drive. There is a cleaning mechanism 2 for cleaning the crushed plastic sheets at the lower part of the crushing and recycling box body 1; Two first fixing frames 7 are symmetrically and fixedly installed on the left and right sides of the front side of the crushing and recycling box body 1. One end of the two first fixing frames 7 away from the crushing and recycling box body 1 is jointly fixedly installed with a first mounting plate 6. A number of blowers 5 are evenly installed on the first mounting plate 6. Four corners of the bottom of the crushing and recycling box body 1 are respectively fixedly installed with support legs 3.

[0038] During use, the multi-point feeding mechanism 4 is used for multi-point feeding of plastic bottles while stirring and filtering, avoiding the situation of plastic bottle accumulation caused by single-point feeding. The blower 5 is used to press the plastic bottles onto the rotary crushing mechanism 8 by blowing. The rotary crushing mechanism 8 is used for rotary shearing and crushing of plastic bottles. The reciprocating shearing and crushing mechanism 9 is used for reciprocating shearing and crushing of plastic bottles. The cleaning mechanism 2 is used for rotary flushing of the crushed plastic. The support legs 3 are used to support the equipment.

[0039] Please refer to Figure 1 、 Figure 2 and Figure 3 The multi-point feeding mechanism 4 includes two second fixing frames 47 symmetrically and fixedly connected to the rear side of the top of the crushing and recycling box body 1. A mounting ring 44 is jointly fixedly installed on the tops of the two second fixing frames 47. A stirring barrel 41 is fixedly sleeved inside the mounting ring 44. There is a stirring assembly 43 for stirring and feeding plastic bottles on the stirring barrel 41, and a rotary switching assembly 45 is arranged at the lower part of the stirring barrel 41. A feed hopper 42 is fixedly installed at the rear side of the top of the crushing and recycling box body 1. The feed hopper 42 is internally communicated with the inside of the stirring barrel 41. The stirring assembly 43 includes a first servo motor 431 fixedly installed at the center of the top of the stirring barrel 41. The output end of the first servo motor 431 rotates through the center of the top of the stirring barrel 41 and is fixedly connected with a vertical shaft 432. A number of stirring plates 433 are evenly fixedly installed on the outside of the vertical shaft 432.

[0040] Please refer to Figure 2 and Figure 3, the rotation and switching component 45 includes two annular tracks 451 symmetrically and fixedly sleeved on the outer bottom of the mixing drum 41 up and down. An annular sealing plate 455 is rotatably connected between the two annular tracks 451. The inner wall of the annular sealing plate 455 is rotationally and fittingly sealed with the outer wall of the mixing drum 41. A plurality of discharge ports 457 are evenly opened at the bottom of the mixing drum 41 in the direction close to the crushing and recycling box 1. The bottom of the vertical shaft 432 rotatably penetrates through the center of the bottom of the mixing barrel 41 and then a connecting rod 454 is fixedly installed. A linkage arm 453 is fixedly installed at the bottom of the connecting rod 454. A feeding pipe 452 is fixedly installed at one end of the linkage arm 453 away from the connecting rod 454. The feeding pipe 452 is fixedly installed outside the annular sealing plate 455, and the feeding pipe 452 is communicated with the inner wall of the annular sealing plate 455. A plurality of filter holes 46 are evenly opened on the rear side of the inner bottom surface of the mixing drum 41, and a discharge baffle 456 is fixedly installed at the rear side of the bottom of the mixing barrel 41.

[0041] During use, first use the hoist to add the waste plastic bottles after label removal into the mixing barrel 41. At this time, start the first servo motor 431. The output end of the first servo motor 431 drives the vertical shaft 432 and the mixing plate 433 thereon to rotate. Use the mixing plate 433 to rotate and stir the waste plastic bottles. During the rotation and stirring process, impurities such as stones mixed in them leak down through the filter holes 46, and then are discharged after being guided by the discharge baffle 456, realizing the screening and filtration of the whole plastic bottles. At this time, during the rotation of the vertical shaft 432, the connecting rod 454 and the linkage arm 453 thereon are synchronously driven to rotate, and then the feeding pipe 452 is synchronously driven to rotate. When the port on the feeding pipe 452 coincides with the discharge port 457, the waste plastic bottles inside the mixing drum 41 fall out from the feeding pipe 452 through the discharge port 457 and enter the crushing and recycling box 1. With the rotation and feeding of the feeding pipe 452, multi-point uniform feeding is realized, avoiding the situation of material accumulation caused by single-point feeding and improving the crushing efficiency.

[0042] Please refer to Figure 1 , Figure 4 and Figure 5 , the rotary crushing mechanism 8 includes an L-shaped plate 81 fixedly connected to the top of the right rear side of the crushing and recycling box 1. A second servo motor 82 is fixedly installed on the top of the L-shaped plate 81. Two first linkage shafts 86 are rotatably penetrated through the top of the crushing and recycling box 1 symmetrically front and back. The right end of the first linkage shaft 86 located at the rear side is fixedly connected to the output end of the second servo motor 82. Driving gears 83 that mesh with each other are fixedly sleeved at the right ends of the two first linkage shafts 86. Shearing drums 84 are fixedly sleeved in the middle of the two first linkage shafts 86 inside the crushing and recycling box 1. A plurality of shearing discs are arranged in a staggered manner on the two shearing drums 84, and a plurality of guide plates 85 are fixedly installed on the top of the front and rear inner walls of the crushing and recycling box 1. The guide plates 85 are located between two adjacent shearing discs on the shearing drum 84.

[0043] When plastic bottles are evenly fed into the top of the crushing and recycling box body 1 at multiple points, the fan 5 is started at this time. The fan 5 starts to blow air, and the plastic bottles are pressed to the top of the shearing drum 84 by the wind force, effectively avoiding the situation of bouncing during the cutting of plastic bottles, improving the stability and efficiency during cutting. Moreover, when blowing air, the shearing drum 84 is cooled down to avoid the situation that the plastic bottles melt due to overheating of the shearing drum 84 during long-term operation. When the plastic bottles are pressed to the top of the shearing drum 84 by the wind force, the second servo motor 82 is started at this time. The output end of the second servo motor 82 drives the first linkage shaft 86 to rotate. Through two mutually meshing driving gears 83, the two first linkage shafts 86 and the shearing drums 84 thereon are synchronously driven to rotate in opposite directions, and the two shearing drums 84 are used to shear and crush the plastic bottles, realizing the primary shearing and crushing of the plastic bottles.

[0044] Please refer to Figure 4 and Figure 5 , the reciprocating shearing and crushing mechanism 9 includes two inclined baffles 91 symmetrically and fixedly installed inside the crushing and recycling box body 1 in the front and back. Both of the two inclined baffles 91 are located below the rotary crushing mechanism 8. Two guiding baffles 92 are symmetrically and fixedly installed between the two inclined baffles 91 on the left and right. Vertical plates 95 are fixedly installed at the bottoms of the two inclined baffles 91. A reciprocating cutting assembly 93 and a reciprocating power assembly 94 are arranged above the inside of the crushing and recycling box body 1. The reciprocating power assembly 94 is arranged on the reciprocating cutting assembly 93, and both the reciprocating cutting assembly 93 and the reciprocating power assembly 94 are located below the vertical plates 95.

[0045] Please refer to Figure 4 , Figure 5 and Figure 6 , the reciprocating cutting assembly 93 includes four guiding rods 931 symmetrically and fixedly connected above the inside of the crushing and recycling box body 1 in a rectangular shape. The four guiding rods 931 are grouped in pairs and are symmetrically distributed in the front and back. Two limiting heads 932 are slidably connected to the guiding rods 931 symmetrically on the left and right. The limiting heads 932 on the same group of two guiding rods 931 are jointly fixedly installed with a second mounting plate 934. A number of cutting blades 933 are evenly installed on the second mounting plate 934.

[0046] Please refer to Figure 4 , Figure 5 , Figure 6 and Figure 7, the reciprocating power assembly 94 includes two second linkage shafts 942 rotatably passing through the left side of the crushing and recycling box body 1. Driven pulleys are fixedly sleeved on the left ends of the two second linkage shafts 942. Driving pulleys are fixedly sleeved on the left ends of the two first linkage shafts 86. The driven pulleys and the driving pulleys are connected by a toothed belt. Cylindrical cams 941 are fixedly installed on the right ends of the two second linkage shafts 942. Cam grooves are formed on the outer walls of the middles of the cylindrical cams 941. Rollers 943 are symmetrically and rotatably connected up and down inside the cam grooves. Two connecting plates 947 are symmetrically and fixedly installed on the left side of the second mounting plate 934. A gantry 946 is fixedly installed on the side of the two connecting plates 947 away from the second mounting plate 934. The rollers 943 are rotatably connected to the gantry 946. A limiting rod 944 is fixedly installed at the center of the right side of the cylindrical cam 941. The limiting rod 944 slidably passes through the gantry 946, and a stop block 945 is fixedly installed at the end of the limiting rod 944 away from the cylindrical cam 941.

[0047] During the use of the reciprocating shearing and crushing mechanism 9, when the two first linkage shafts 86 rotate, they drive the driving pulleys to rotate, and then synchronously drive the driven pulleys to rotate through the toothed belt, synchronously drive the second linkage shafts 942 and the cylindrical cams 941 thereon to rotate, and then synchronously drive the rollers 943 to roll along the cam grooves on the cylindrical cams 941, so as to drive the rollers 943 and the gantry 946 thereon to move left and right reciprocally, and at the same time drive the connecting plates 947 and the second mounting plate 934 thereon to move left and right reciprocally, and synchronously drive the cutting blades 933 to move left and right reciprocally. The plastic sheets are reciprocally cut by the cutting blades 933 arranged staggeredly on the two second mounting plates 934, realizing the reciprocating cutting and crushing of the incompletely crushed plastic bottles, realizing the secondary crushing of the plastic bottles, and improving the crushing effect.

[0048] Please refer to Figure 1 , Figure 4 , Figure 8 , Figure 9 and Figure 10, the cleaning mechanism 2 includes a collecting hopper 21 fixedly installed in the middle inside the crushing and recycling box body 1. The collecting hopper 21 is arranged below the reciprocating shearing and crushing mechanism 9. A feed pipe 23 is fixedly installed at the center of the bottom of the collecting hopper 21. One end of the feed pipe 23 away from the collecting hopper 21 is fixedly installed with a first fixing ring 24. A rotary filtering assembly 25 is arranged at one end of the first fixing ring 24 away from the feed pipe 23. The rotary filtering assembly 25 includes a filtering cylinder 251 rotatably connected to the first fixing ring 24. A number of through holes are evenly formed in the filtering cylinder 251. A number of stirring rods 252 are evenly installed in the middle of the inner wall of the filtering cylinder 251. And a number of arc-shaped blades 253 are evenly and fixedly installed on the left and right sides of the inner wall of the filtering cylinder 251. A flushing assembly 22 is jointly arranged inside the feed pipe 23 and the rotary filtering assembly 25. The flushing assembly 22 includes a water inlet pipe 221 fixedly penetrating through the rear side of the feed pipe 23. One end of the water inlet pipe 221 is fixedly installed with a shunt pipe 224. The shunt pipe 224 is located inside the filtering cylinder 251. First nozzles 222 facing the positions of the arc-shaped blades 253 are fixedly installed at both the left and right ends of the shunt pipe 224. A number of second nozzles 223 are evenly installed in the middle of the shunt pipe 224. One end of the filtering cylinder 251 away from the first fixing ring 24 is rotatably connected to a second fixing ring 26. A discharge pipe 27 is fixedly installed at one end of the second fixing ring 26 away from the filtering cylinder 251. The discharge pipe 27 fixedly penetrates through the lower part of the left side of the crushing and recycling box body 1. The other end of the water inlet pipe 221 extends out of the crushing and recycling box body 1 and is connected to the output end of an external suction pump.

[0049] During the use of the cleaning mechanism 2, start the suction pump to deliver clean water into the water inlet pipe 221, then into the shunt pipe 224, and then spray out from the first nozzles 222 and the second nozzles 223. The clean water sprayed out from the first nozzles 222 impacts the arc-shaped blades 253, driving the arc-shaped blades 253 and the filtering cylinder 251 thereon to rotate around the first fixing ring 24 and the second fixing ring 26. At this time, the crushed plastic fragments enter the feed pipe 23 from the collecting hopper 21 and then enter the filtering cylinder 251. Under the impact of the clean water, the plastic fragments are cleaned. While cleaning, the filtering cylinder 251 and the stirring rods 252 thereon rotate. When rotating, the stirring rods 252 are used to stir the plastic fragments. At the same time, when rotating, the plastic fragments fall from a high place, and when falling, the probability of impurities on the fragments falling is further increased, improving the cleaning effect. The cleaned plastic fragments are discharged from the discharge pipe 27.

[0050] Please refer to Figure 4 and Figure 11, a filter box 15 is fixedly installed on the inner bottom surface of the crushing and recycling box body 1. An upper filter screen 11 is fixedly installed inside the upper part of the filter box 15, an activated carbon filter layer 12 is arranged at the lower part of the filter box 15, a water pump 14 is fixedly installed at the center of the inner bottom surface of the filter box 15, the output end of the water pump 14 is fixedly installed with a circulation pipe 13, the circulation pipe 13 fixedly penetrates through the bottom of the rear side of the crushing and recycling box body 1, and two guiding and collecting plates 10 are fixedly installed symmetrically in the front and rear of the middle and lower parts of the inner wall of the crushing and recycling box body 1. The guiding and collecting plates 10 are located between the filter box 15 and the cleaning mechanism 2.

[0051] After cleaning, the cleaning sewage falls into the filter box 15 through the guiding and collecting plate 10, and the sewage is filtered by using the filter screen 11 and the activated carbon filter layer 12. The filtered sewage enters the bottom of the filter box 15. At this time, the water pump 14 is started, the water pump 14 conveys the sewage into the circulation pipe 13, and then enters the circulation water tank through the circulation pipe 13, realizing the recycling of the sewage.

[0052] It should be noted that for this plastic waste recycling equipment, during use, first, the plastic bottle waste after label removal is added into the interior of the stirring barrel 41 by a hoist. At this time, the first servo motor 431 is started. The output end of the first servo motor 431 drives the vertical shaft 432 and the stirring plate 433 thereon to rotate. The stirring plate 433 is used to rotate and stir the waste plastic bottles. During the rotation and stirring process, impurities such as stones mixed in them leak down through the filter holes 46. During the rotation of the vertical shaft 432, the connecting rod 454 and the linkage arm 453 thereon are synchronously driven to rotate, and then the feeding pipe 452 is synchronously driven to rotate. When the opening on the feeding pipe 452 coincides with the discharge port 457, the waste plastic bottles inside the stirring cylinder 41 fall out from the feeding pipe 452 after passing through the discharge port 457 and enter the crushing and recycling box body 1. With the rotation and feeding of the feeding pipe 452, multi-point uniform feeding is achieved, avoiding the situation of material accumulation caused by single-point feeding, and improving the crushing efficiency. After uniform feeding, the blower 5 is started, and the blower 5 starts to blow air, using the wind force to press the plastic bottles to the top of the shearing roller 84, effectively avoiding the situation of bouncing during the cutting of plastic bottles, improving the stability and efficiency during cutting, and during blowing, cooling and temperature reduction of the shearing roller 84 are carried out. The two shearing rollers 84 in the rotary crushing mechanism 8 are used to shear and crush the plastic bottles, realizing the primary shearing and crushing of the plastic bottles. The reciprocating shearing and crushing mechanism 9 is used to reciprocally cut the plastic sheets, realizing the reciprocating cutting and crushing of the incompletely crushed plastic bottles, achieving the secondary crushing of the plastic bottles, and improving the crushing effect. The rotary crushing mechanism 8 and the reciprocating shearing and crushing mechanism 9 are integrally linked. The plastic fragments after two-stage crushing are washed while being rotated and stirred by the cleaning mechanism 2. Compared with the method of soaking and cleaning in a water tank, it avoids the problem of poor cleaning effect caused by plastic fragments floating on the top of the water tank. After cleaning, they are discharged from the discharge pipe 27. At this time, the sewage after cleaning is filtered through the filter screen 11 and the activated carbon filter layer 12, and the filtered sewage is circulated back to the water tank through the water pump 14, realizing the recycling of sewage and saving the waste of water resources.

[0053] The above-described embodiments merely represent several implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention.

Claims

1. A plastic waste recycling device, comprising a crushing and recycling box (1), characterized in that: The top rear side of the crushing and recovery box (1) is provided with a multi-point feeding mechanism (4), the crushing and recovery box (1) is provided with a rotating crushing mechanism (8), and the crushing and recovery box (1) is provided with a reciprocating shearing crushing mechanism (9), the rotating crushing mechanism (8) and the reciprocating shearing crushing mechanism (9) are connected by a belt transmission, and a cleaning mechanism (2) is provided at the bottom of the crushing and recovery box (1); The rotary crushing mechanism (8) comprises an L-shaped plate (81) fixedly connected to the top of the crushing and recovery box (1), a No. 2 servo motor (82) is fixedly installed on the top of the L-shaped plate (81), two No. 1 linkage shafts (86) are rotatably penetrated through the top of the crushing and recovery box (1), the right end of the No. 1 linkage shaft (86) located at the rear side is fixedly connected to the output end of the No. 2 servo motor (82), the right ends of the two No. 1 linkage shafts (86) are fixedly sleeved with mutually meshing driving gears (83), the middle parts of the two No. 1 linkage shafts (86) are located inside the crushing and recovery box (1) and are fixedly sleeved with shearing rollers (84), a plurality of shearing discs are staggeredly arranged on the two shearing rollers (84), and a plurality of guide plates (85) are fixedly installed on the tops of the front and rear inner walls of the crushing and recovery box (1), and the guide plates (85) are located between two adjacent shearing discs on the shearing rollers (84).

2. A plastic waste recycling device according to claim 1, characterized in that: The multi-point feeding mechanism (4) comprises two No. 2 fixing frames (47) fixedly connected to the top of the rear side of the crushing and recovery box (1); a mounting ring (44) is fixedly installed on the top of the two No. 2 fixing frames (47); a mixing drum (41) is fixedly sleeved inside the mounting ring (44); a mixing assembly (43) is arranged on the mixing drum (41); and a rotation switching assembly (45) is arranged at the bottom of the mixing drum (41); a feeding hopper (42) is fixedly installed on the rear side of the top of the crushing and recovery box (1); and the feeding hopper (42) is connected to the inside of the mixing drum (41).

3. A plastic waste recycling device according to claim 2, characterized in that: The stirring assembly (43) comprises a servo motor (431) fixedly mounted at the top center of the stirring drum (41); the output end of the servo motor (431) rotates through the top center of the stirring drum (41) and is fixedly connected to a vertical shaft (432); a plurality of stirring plates (433) are evenly fixedly mounted on the outside of the vertical shaft (432).

4. A plastic waste recycling device according to claim 3, characterized in that: The rotary switching assembly (45) comprises two annular tracks (451) fixedly sleeved on the outer bottom of the mixing drum (41); an annular sealing plate (455) is rotatably connected between the two annular tracks (451); the inner wall of the annular sealing plate (455) is rotatably fitted and sealed with the outer wall of the mixing drum (41); a plurality of discharge ports (457) are evenly arranged at the bottom of the mixing drum (41) near the crushing recovery box (1); the bottom of the vertical shaft (432) rotates through the center of the bottom of the mixing drum (41) and is fixedly installed therein A connecting rod (454) is provided, a linkage arm (453) is fixedly installed at the bottom of the connecting rod (454), a feeding pipe (452) is fixedly installed at one end of the linkage arm (453) away from the connecting rod (454), the feeding pipe (452) is fixedly installed outside the annular sealing plate (455), and the feeding pipe (452) is connected to the inner wall of the annular sealing plate (455), a plurality of filter holes (46) are opened on the rear side of the inner bottom surface of the mixing drum (41), and a discharge baffle (456) is fixedly installed on the rear side of the bottom of the mixing drum (41).

5. The plastic waste recycling equipment according to claim 1, characterized in that: Two No. 1 fixing frames (7) are fixedly mounted on the front side of the crushing and recovery box (1); a No. 1 mounting plate (6) is fixedly mounted on one end of the two No. 1 fixing frames (7) away from the crushing and recovery box (1); a plurality of fans (5) are evenly mounted on the No. 1 mounting plate (6); and support legs (3) are fixedly mounted on the four corners of the bottom of the crushing and recovery box (1).

6. A plastic waste recycling device according to claim 1, characterized in that: The reciprocating shearing crushing mechanism (9) comprises two inclined baffles (91) fixedly mounted in the crushing and recovery box (1) at the front and rear ends, the two inclined baffles (91) are both located below the rotary crushing mechanism (8), two guide baffles (92) are fixedly mounted between the two inclined baffles (91), and vertical plates (95) are fixedly mounted at the bottoms of the two inclined baffles (91), a reciprocating power assembly (94) is arranged above the interior of the crushing and recovery box (1), the reciprocating power assembly (94) is arranged on the reciprocating cutting assembly (93), and the reciprocating cutting assembly (93) and the reciprocating power assembly (94) are both located below the vertical plate (95).

7. A plastic waste recycling device according to claim 6, characterized in that: The reciprocating cutting assembly (93) comprises four rectangular guide rods (931) fixedly connected to the upper part of the crushing and recovery box (1), the four guide rods (931) are arranged in groups of two, two limit heads (932) are slidably connected to the guide rods (931) left and right, the limit heads (932) on the two guide rods (931) in the same group are fixedly mounted with a No. 2 mounting plate (934), and a plurality of cutting blades (933) are evenly mounted on the No. 2 mounting plate (934).

8. A plastic waste recycling device according to claim 7, characterized in that: The reciprocating power assembly (94) comprises two No. 2 linkage shafts (942) which rotate and penetrate the left side of the crushing recovery box (1); the No. 2 linkage shafts (942) are connected to the No. 1 linkage shaft (86) through a belt transmission; cylindrical cams (941) are fixedly installed on the right ends of the two No. 2 linkage shafts (942); a cam groove is provided on the outer wall of the middle part of the cylindrical cam (941); a roller (943) is connected to the cam groove in an upward and downward rolling manner; and a No. 2 mounting plate (934) is fixedly installed on the left side thereof. Two connecting plates (947) are fixedly installed, and a gantry (946) is fixedly installed on one side of the two connecting plates (947) away from the second mounting plate (934). The roller (943) is rotatably connected to the gantry (946). A limit rod (944) is fixed at the center of the right side of the cylindrical cam (941). The limit rod (944) slides through the gantry (946), and a stopper (945) is fixed on one end of the limit rod (944) away from the cylindrical cam (941).

9. The plastic waste recycling equipment according to claim 1, characterized in that: The cleaning mechanism (2) comprises a collecting bucket (21) fixedly mounted inside the crushing and recovery box (1), the collecting bucket (21) being arranged below the reciprocating shearing crushing mechanism (9), one end of a feed pipe (23) being fixedly mounted at the center of the bottom of the collecting bucket (21), a No. 1 fixing ring (24) being fixedly mounted at the other end of the feed pipe (23), a rotating filter assembly (25) being arranged at one end of the No. 1 fixing ring (24) away from the feed pipe (23), the rotating filter assembly (25) comprising a filter cartridge (251) rotatably connected to the No. 1 fixing ring (24), a plurality of through holes being evenly arranged on the filter cartridge (251), a plurality of stirring rods (252) being mounted at the middle of the inner wall of the filter cartridge (251), and a plurality of arc-shaped blades (253) being fixedly mounted on the left and right sides of the inner wall of the filter cartridge (251), the feed pipe (23) and the rotating filter assembly (25) being arranged at the same time. A flushing assembly (22) is commonly provided inside the rotating filter assembly (25), and the flushing assembly (22) includes a water inlet pipe (221) fixedly penetrating the rear side of the feed pipe (23), a diverter pipe (224) fixedly installed at one end of the water inlet pipe (221), the diverter pipe (224) is located inside the filter cartridge (251), a first nozzle (222) facing the position of the arc-shaped blade (253) is fixedly installed at both left and right ends of the diverter pipe (224), a plurality of second nozzles (223) are evenly installed in the middle of the diverter pipe (224), one end of the filter cartridge (251) away from the first fixing ring (24) is rotatably connected to the second fixing ring (26), and one end of the second fixing ring (26) away from the filter cartridge (251) is fixedly installed with a discharge pipe (27), and the discharge pipe (27) is fixedly penetrating the lower left side of the crushing recovery box (1).

10. The plastic waste recycling equipment according to claim 1, characterized in that: A filter box (15) is fixedly mounted on the bottom surface of the crushing and recovery box (1), a filter screen (11) is fixedly mounted on the upper part of the filter box (15), an activated carbon filter layer (12) is arranged at the lower part of the filter box (15), a water pump (14) is fixedly mounted at the center of the bottom surface of the filter box (15), a circulation pipe (13) is fixedly mounted at the output end of the water pump (14), the circulation pipe (13) is fixedly mounted through the bottom of the rear side of the crushing and recovery box (1), two guide collection plates (10) are fixedly mounted symmetrically at the middle and lower part of the inner wall of the crushing and recovery box (1), and the guide collection plates (10) are located between the filter box (15) and the cleaning mechanism (2).

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