Plastic particle crushing device

Abstract

The invention discloses a plastic particle crushing device, which relates to the technical field of plastic processing, and comprises a crushing machine body, the top of the crushing machine body is fixedly connected with a rectangular frame, the top of the rectangular frame is connected with a feed hopper, and the bottom of the rectangular frame is provided with a throwing mechanism for reducing accumulation of plastic particles. A sealing mechanism used for controlling the falling speed of plastic particles in the feeding hopper is arranged at the top of the rectangular frame, an air blowing mechanism used for removing dust in the plastic particles is arranged in the rectangular frame, and impact mechanisms used for avoiding blockage of the plastic particles are symmetrically arranged on the two sides of the feeding hopper. A swing mechanism used for driving the throwing mechanism to move up and down is arranged on the outer side of the rectangular frame, plastic particles are scattered into the smashing machine body through the rotating disc, the outer shell is driven to swing up and down in cooperation with the swing mechanism, the plastic particles are evenly scattered into the smashing machine body, and the problem of uneven load caused by local accumulation is solved; and the working efficiency of the pulverizer is improved, so that plastic particles can be pulverized more quickly and effectively.

Description

Technical Field

[0001] The present invention relates to the technical field of plastic processing, and particularly to a plastic particle crushing device. Background Art

[0002] The main component of plastic is resin. So-called plastic is actually a kind of synthetic resin, which is similar in shape to rosin in natural resin. It is artificially synthesized by chemical means and is called plastic. Plastic particles, commonly known as plastic granules, are raw materials for storing, transporting and processing plastics in semi-finished form. Plastic is a kind of polymer material. Ethylene, propylene, vinyl chloride, styrene, etc. can be obtained from petroleum. The molecules of these substances can react with each other under certain conditions to form compounds with very large molecular weights, that is, polymers.

[0003] When further crushing large plastic particles into smaller particles, the large plastic particles directly enter the crushing equipment, causing the plastic particles to accumulate in the crushing equipment, resulting in a decrease in crushing efficiency. At the same time, it also accelerates the wear rate of the crushing tool at the place where the plastic particles accumulate seriously.

[0004] Therefore, the present invention proposes a plastic particle crushing device to make up for and improve the deficiencies of the prior art. Summary of the Invention

[0005] In view of the above problems, the invention provides a plastic particle crushing device, which can effectively solve the problem of plastic particle accumulation in the prior art. To achieve the above object, the embodiments of the present application provide the following technical solutions: The present invention discloses a plastic particle crushing device, including a crushing body. A rectangular frame is fixedly connected to the top of the crushing body. A feed hopper is connected to the top of the rectangular frame. A sprinkling mechanism for reducing the accumulation of plastic particles is arranged at the bottom of the rectangular frame. A closing mechanism for controlling the falling speed of plastic particles in the feed hopper is arranged at the top of the rectangular frame. A blowing mechanism for removing dust in the plastic particles is arranged inside the rectangular frame. Impact mechanisms for preventing the blockage of plastic particles are symmetrically arranged on both sides of the feed hopper. A swinging mechanism for driving the sprinkling mechanism to move up and down is arranged outside the rectangular frame; The sprinkling mechanism includes a conveying hose fixedly connected to the bottom of the rectangular frame. The end of the conveying hose far from the rectangular frame is fixedly connected to a cylindrical outer shell. A feed port for plastic particles to enter is opened at the top of the outer shell, and the feed port is communicated with the conveying hose. A discharge port for discharging plastic particles is opened on the side of the outer shell.

[0006] Further, the sprinkling mechanism further includes a circular rotating disk disposed inside the outer housing. A first motor is fixedly connected to the bottom of the outer housing, and an output end of the first motor extends into the inner part of the outer housing. The output end of the first motor is fixedly connected to the lower surface of the rotating disk. A plurality of baffles are fixedly connected to the upper surface of the rotating disk.

[0007] Further, the closing mechanism includes a cylinder horizontally rotatably connected inside the rectangular frame, and both ends of the cylinder penetrate to the outside of the rectangular frame. Accommodating grooves for containing plastic particles are symmetrically formed in the side surface of the cylinder.

[0008] Further, the closing mechanism further includes ratchets symmetrically fixedly connected to both ends of the cylinder. A ring is sleeved outside each ratchet, and the ring is rotatably connected to the side surface of the rectangular frame. A pawl is rotatably connected to the side surface of the ring. The pawl meshes with the ratchet. An elastic sheet is further fixedly connected to the side surface of each ring, and the elastic sheet is in close contact with the side surface of the pawl.

[0009] Further, a lever is fixedly connected to the side surface of the ring. A U-shaped frame is slidably sleeved outside the lever. A bracket is slidably sleeved outside the U-shaped frame. The bracket is fixedly connected to the side surface of the rectangular frame. Guide rods are symmetrically fixedly connected to both ends of the U-shaped frame. The guide rods are slidably connected to the protrusions on the side surface of the rectangular frame. A return spring is sleeved outside the guide rods, and the return spring is located between the protrusion on the side surface of the rectangular frame and the U-shaped frame.

[0010] Further, the blowing mechanism includes an installation hole formed in the side surface of the rectangular frame. A fan blade is rotatably connected inside the installation hole. A second motor is fixedly connected to the surface of the rectangular frame outside the installation hole. The output end of the second motor is fixedly connected to the fan blade. A cam for pushing the U-shaped frame to move is further fixedly connected to the outside of the output end of the second motor. The cam abuts against the side surface of the U-shaped frame. The blowing mechanism further includes baffle plates fixedly connected to each other alternately inside the rectangular frame. Through holes for air flow to pass through are formed in the surface of each baffle plate. A screen is fixedly connected to the side of the rectangular frame away from the fan blade.

[0011] Further, the impact mechanism includes multiple groups of rotating rods rotatably connected to the side surface of the feed hopper. A hammer is fixedly connected to the bottom of each rotating rod near the feed hopper, and one end of each rotating rod away from the hammer is bent away from the feed hopper.

[0012] Furthermore, the impact mechanism further includes a mounting frame fixedly connected to the side of the feed hopper. A first chute and a second chute are provided on the side of the mounting frame. A moving rod is slidably connected in the first chute, and an outer cylinder for squeezing the bent section at the top of the rotating rod is rotatably sleeved outside the moving rod. Connecting rods are fixedly connected to both ends of the moving rod, and the two connecting rods are fixedly connected to each other through a support rod. A limiting rod is fixedly connected to the side of each connecting rod. The limiting rod extends into the second chute and slides in the second chute.

[0013] Furthermore, a roller is slidably connected to the bottom of each support rod. An extension rod is fixedly connected to the side of the roller, and one end of the extension rod away from the roller is fixedly connected to one end of the guide rod away from the U-shaped frame.

[0014] Furthermore, the swinging mechanism includes connecting shafts symmetrically and fixedly connected to the side of the outer housing. One end of each connecting shaft away from the outer housing is rotatably connected to the crushing body. A steel cable is fixedly connected to the top of the outer housing. One end of the steel cable away from the outer housing slides through to the outside of the crushing body, and one end of the steel cable away from the outer housing is fixedly connected to the side of the U-shaped frame. A guiding wheel is fixedly connected to the side of the rectangular frame, and the surface of the guiding wheel is slidably connected to the steel cable.

[0015] Beneficial effects: 1. By setting a sprinkling mechanism in this device, the plastic particles are scattered into the crushing body by the rotating disk, and the swinging mechanism is used to drive the outer housing to swing up and down, so as to evenly sprinkle the plastic particles into the crushing body, reducing the problem of uneven load caused by local accumulation, which helps to improve the working efficiency of the crusher, enabling the plastic particles to be crushed faster and more effectively. Since local accumulation is avoided, the wear of the crusher caused by over-concentration of work in a certain part is reduced, effectively extending the service life of the equipment.

[0016] 2. By setting a closing mechanism in this device, the rotating cylinder is used to control the intermittent entry of plastic particles into the crushing body. With the accommodating grooves provided on the surface of the cylinder, a certain volume of plastic particles can be quantitatively carried, realizing precise control of the feeding amount, avoiding excessive feeding that may cause the crushing equipment to be overloaded, and thus reducing the risk of material jamming and blockage.

[0017] 3. By setting a blowing mechanism in this device, when the plastic particles fall from the rectangular frame, the air flow blows away the dust mixed in the plastic particles, improving the purity of the final product, which is beneficial to the quality control of subsequent injection molding processing. By reducing impurities such as dust in the plastic particles, the wear of the crushing equipment can be reduced, and the service life of the crushing equipment can be extended.

[0018] 4. The device is provided with an impact mechanism. The rotating rod drives the hammer to impact the feed hopper, causing the feed hopper to vibrate. During the vibration of the feed hopper, it can effectively prevent the accumulation and blockage of plastic particles in the feed hopper, helping to improve the fluidity of the material and enabling the plastic particles to enter the crushing equipment more smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 It is a three-dimensional structure diagram of the first perspective of the present invention.

[0021] Figure 2 It is a three-dimensional structure diagram of the second perspective of the present invention.

[0022] Figure 3 It is a three-dimensional structure diagram of the impact mechanism in the present invention.

[0023] Figure 4 It is a three-dimensional structure diagram of the swing mechanism in the present invention.

[0024] Figure 5 It is an exploded view of the sprinkling mechanism in the present invention.

[0025] Figure 6 It is a three-dimensional structure diagram of the blowing mechanism in the present invention.

[0026] Figure 7 In the present invention Figure 6 The enlarged structure diagram of part A.

[0027] Figure 8 It is a longitudinal sectional view of the rectangular frame in the present invention.

[0028] Figure 9 It is an exploded view of the cylinder and the rectangular frame in the present invention.

[0029] The reference numerals in the figure respectively represent: 10, crushing body; 20, sprinkling mechanism; 201, outer housing; 202, rotating disk; 203, baffle; 204, first motor; 205, discharge port; 206, feed port; 207, conveying hose; 30, closing mechanism; 301, cylinder; 302, receiving groove; 303, ratchet; 304, ring; 305, pawl; 306, elastic sheet; 307, U-shaped frame; 308, bracket; 309, lever; 310, guide rod; 311, return spring; 40, blowing mechanism; 401, mounting hole; 402, fan blade; 403, second motor; 404, cam; 405, baffle plate; 406, through hole; 407, screen; 50, impact mechanism; 501, rotating rod; 502, hammer; 503, moving rod; 504, outer cylinder; 505, mounting frame; 506, first chute; 507, second chute; 508, limiting rod; 509, connecting rod; 510, support rod; 511, roller; 512, extension rod; 60, swinging mechanism; 601, steel cable; 602, guide wheel; 603, connecting shaft; 70, feed hopper; 80, rectangular frame. Specific embodiments

[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0031] The present invention will be further described below with reference to the embodiments.

[0032] Refer to Figures 1 to 9 , a plastic particle crushing device according to this embodiment includes a crushing body 10. A rectangular frame 80 is fixedly connected to the top of the crushing body 10. A feed hopper 70 is connected to the top of the rectangular frame 80. A sprinkling mechanism 20 for reducing the accumulation of plastic particles is arranged at the bottom of the rectangular frame 80. A closing mechanism 30 for controlling the falling speed of plastic particles in the feed hopper 70 is arranged at the top of the rectangular frame 80. A blowing mechanism 40 for removing dust in plastic particles is arranged inside the rectangular frame 80. Impact mechanisms 50 for preventing plastic particles from being blocked are symmetrically arranged on both sides of the feed hopper 70. A swinging mechanism 60 for driving the sprinkling mechanism 20 to move up and down is arranged outside the rectangular frame 80.

[0033] The spreading mechanism 20 includes a conveying hose 207 fixedly connected to the bottom of the rectangular frame 80. One end of the conveying hose 207 away from the rectangular frame 80 is fixedly connected to a cylindrical outer shell 201. The top of the outer shell 201 is provided with a feed inlet 206 for plastic particles to enter, and the feed inlet 206 is communicated with the conveying hose 207. The side of the outer shell 201 is provided with a discharge outlet 205 for discharging plastic particles.

[0034] The spreading mechanism 20 further includes a circular rotating disk 202 arranged inside the outer shell 201. The bottom of the outer shell 201 is fixedly connected with a first motor 204, and the output end of the first motor 204 extends into the outer shell 201. The output end of the first motor 204 is fixedly connected to the lower surface of the rotating disk 202. A plurality of baffles 203 are fixedly connected to the upper surface of the rotating disk 202.

[0035] During specific operation, when crushing large - particle plastic particles, first put the large - particle plastic particles into the feed hopper 70. The plastic particles enter the crushing body 10 through the rectangular frame 80 for further crushing. The plastic particles enter the feed inlet 206 from the bottom of the rectangular frame 80 through the conveying hose 207, thereby inputting the plastic particles into the inner part of the outer shell 201. When the plastic particles pass through the feed inlet 206, the plastic particles fall onto the surface of the rotating disk 202. Since the rotating disk 202 is driven by the first motor 204 to rotate at a high speed, and at the same time, the baffles 203 on the surface of the rotating disk 202 block the falling plastic particles, driving the plastic particles falling on the surface of the rotating disk 202 to rotate synchronously. Under the action of centrifugal force, the plastic particles are thrown out from the discharge outlet 205, thereby spreading the plastic particles into the crushing body 10, reducing the problem of uneven load caused by local accumulation, helping to improve the working efficiency of the crusher, and enabling the plastic particles to be crushed faster and more effectively.

[0036] The closing mechanism 30 includes a cylinder 301 horizontally rotatably connected inside the rectangular frame 80, and both ends of the cylinder 301 penetrate to the outside of the rectangular frame 80. The side of the cylinder 301 is symmetrically provided with receiving grooves 302 for containing plastic particles.

[0037] The closing mechanism 30 further includes ratchets 303 symmetrically fixedly connected to both ends of the cylinder 301. A ring 304 is sleeved outside each ratchet 303, and the ring 304 is rotatably connected to the side of the rectangular frame 80. A pawl 305 is rotatably connected to the side of the ring 304, and the pawl 305 meshes with the ratchet 303. An elastic piece 306 is also fixedly connected to the side of each ring 304, and the elastic piece 306 is in close contact with the side of the pawl 305.

[0038] A lever 309 is fixedly connected to the side surface of the circular ring 304. A U-shaped frame 307 is slidably sleeved outside the lever 309. A bracket 308 is slidably sleeved outside the U-shaped frame 307. The bracket 308 is fixedly connected to the side surface of the rectangular frame 80. Symmetrically fixed to both ends of the U-shaped frame 307 are guide rods 310. The guide rods 310 are slidably connected to the protrusions on the side surface of the rectangular frame 80. A return spring 311 is sleeved outside the guide rods 310. The return spring 311 is located between the protrusion on the side surface of the rectangular frame 80 and the U-shaped frame 307.

[0039] During specific operation, the cam 404 in the blowing mechanism 40 is utilized to push the U-shaped frame 307 to move along the bracket 308. When the U-shaped frame 307 moves, it drives the circular ring 304 to rotate counterclockwise through the lever 309. The circular ring 304 rotating counterclockwise drives the ratchet wheel 303 to rotate synchronously counterclockwise through the pawl 305. At this time, the ratchet wheel 303 drives the cylinder 301 to rotate synchronously. The U-shaped frame 307 drives the guide rods 310 to move synchronously. When the cam 404 pushes the U-shaped frame 307, the return spring 311 is compressed. When the cam 404 does not squeeze the U-shaped frame 307, the return spring 311 reversely pushes the U-shaped frame 307 to reset. When reciprocatingly pushing the U-shaped frame 307 to move, the U-shaped frame 307 drives the cylinder 301 to rotate. During the rotation of the cylinder 301, the plastic particles in the feed hopper 70 enter the receiving groove 302. When one of the receiving grooves 302 filled with plastic particles rotates 180 degrees, the plastic particles in the receiving groove 302 fall into the rectangular frame 80 under the action of gravity. Thus, the two receiving grooves 302 on the surface of the cylinder 301 are utilized to intermittently convey the plastic particles into the crushing machine body 10, achieving precise control of the feeding amount, avoiding excessive feeding that may cause the crushing equipment to be overloaded, and thereby reducing the risk of material jamming and blockage.

[0040] The blowing mechanism 40 includes a mounting hole 401 formed in the side surface of the rectangular frame 80. A fan blade 402 is rotatably connected inside the mounting hole 401. The surface of the rectangular frame 80 outside the mounting hole 401 is fixedly connected with a second motor 403. The output end of the second motor 403 is fixedly connected to the fan blade 402. The output end of the second motor 403 is also fixedly connected with a cam 404 for pushing the U-shaped frame 307 to move. The cam 404 abuts against the side surface of the U-shaped frame 307. The blowing mechanism 40 further includes baffle plates 405 fixedly connected to each other alternately inside the rectangular frame 80. Through holes 406 for air flow to pass through are formed on the surface of each baffle plate 405. A screen 407 is fixedly connected to the side of the rectangular frame 80 away from the fan blade 402.

[0041] During specific operation, when plastic particles fall from the feed hopper 70 into the rectangular frame 80, the plastic particles roll down from a plurality of inclined baffle plates 405 in sequence. During the rolling process, the second motor 403 drives the fan blade 402 to rotate rapidly. The fan blade 402 blows external air flow from the mounting holes 401 onto the surface of the rolling plastic particles. The air flow passes through the through holes 406 on the surface of the baffle plate 405 and is discharged from the screen 407. During this process, the air flow blows away the dust mixed in the plastic particles, improving the purity of the final product. By reducing impurities such as dust in the plastic particles, the wear of the crushing equipment can be reduced, and the service life of the crushing equipment can be extended.

[0042] When the second motor 403 rotates, the second motor 403 synchronously drives the cam 404 to rotate. The rotating cam 404 continuously pushes the U-shaped frame 307 to reciprocate.

[0043] The impact mechanism 50 includes a plurality of rotating rods 501 rotatably connected to the side of the feed hopper 70. A hammer 502 is fixedly connected to the bottom of each rotating rod 501 near one side of the feed hopper 70, and one end of each rotating rod 501 away from the hammer 502 is bent away from the feed hopper 70.

[0044] The impact mechanism 50 further includes a mounting frame 505 fixedly connected to the side of the feed hopper 70. A first sliding groove 506 and a second sliding groove 507 are formed on the side of the mounting frame 505. A moving rod 503 is slidably connected in the first sliding groove 506, and an outer cylinder 504 for squeezing the bent section at the top of the rotating rod 501 is rotatably sleeved outside the moving rod 503. Connecting rods 509 are fixedly connected to both ends of the moving rod 503. The two connecting rods 509 are fixedly connected to each other through a support rod 510. A limiting rod 508 is fixedly connected to the side of each connecting rod 509. The limiting rod 508 extends into the second sliding groove 507, and the limiting rod 508 slides in the second sliding groove 507.

[0045] A roller 511 is slidably connected to the bottom of each support rod 510. An extension rod 512 is fixedly connected to the side of the roller 511. One end of the extension rod 512 away from the roller 511 is fixedly connected to one end of the guide rod 310 away from the U-shaped frame 307.

[0046] During specific operation, as the cam 404 continuously pushes the U-shaped frame 307 to reciprocate, the U-shaped frame 307 drives the extension rod 512 to move synchronously through the guide rod 310. When the extension rod 512 moves upward, the extension rod 512 pushes the support rod 510 to move upward synchronously through the roller 511. The support rod 510 drives the moving rod 503 to move upward synchronously through the connecting rod 509. When the connecting rod 509 moves, it is restricted by the limiting rod 508 to prevent the position of the connecting rod 509 from shifting. At this time, the moving rod 503 slides in the first chute 506, and the outer cylinder 504 sleeved outside the moving rod 503 presses the bent section at the top of the rotating rod 501, so that the rotating rod 501 rotates upward. At this time, the hammer 502 at the bottom of the rotating rod 501 moves away from the side of the feed hopper 70. Then, driven by the return spring 311, the U-shaped frame 307 moves in the opposite direction. At this time, the moving rod 503 drives the outer cylinder 504 to disengage from the bent section of the rotating rod 501. Under the action of the gravity of the hammer 502, the hammer 502 hits the side of the feed hopper 70, causing the feed hopper 70 to vibrate. During the vibration of the feed hopper 70, it can effectively prevent the accumulation and blockage of plastic particles in the feed hopper 70, help improve the fluidity of the material, and make the plastic particles enter the crushing equipment more smoothly.

[0047] The swing mechanism 60 includes connecting shafts 603 symmetrically and fixedly connected to the side surface of the outer housing 201. Each end of the connecting shaft 603 away from the outer housing 201 is rotatably connected to the crushing body 10. A steel cable 601 is fixedly connected to the top of the outer housing 201. One end of the steel cable 601 away from the outer housing 201 slides through the outside of the crushing body 10, and one end of the steel cable 601 away from the outer housing 201 is fixedly connected to the side surface of the U-shaped frame 307. A guide wheel 602 is fixedly connected to the side surface of the rectangular frame 80, and the surface of the guide wheel 602 is slidably connected to the steel cable 601.

[0048] During specific operation, when the U-shaped frame 307 moves upward, it synchronously pulls the outer housing 201 to rotate through the steel cable 601. The outer housing 201 rotates with the connecting shaft 603 as the rotation axis. When the U-shaped frame 307 moves downward, under the action of gravity, the outer housing 201 rotates in the opposite direction. In this way, the up and down reciprocating swing of the outer housing 201 is realized, so as to evenly sprinkle the plastic particles into the crushing body 10.

[0049] Working principle: When crushing plastic particles, the plastic particles fall from the feed hopper 70 into the rectangular frame 80. The closing mechanism 30 controls the intermittent and quantitative falling of the plastic particles from the feed hopper 70 into the rectangular frame 80. At the same time, the closing mechanism 30 drives the impact mechanism 50 to impact the feed hopper 70. During the shaking process of the feed hopper 70, it can effectively prevent the accumulation and blockage of plastic particles in the feed hopper 70, which helps to improve the fluidity of the material and enables the plastic particles to enter the crushing equipment more smoothly. When the plastic particles enter the rectangular frame 80, the dust in the plastic particles is removed by the blowing mechanism 40. Finally, the plastic particles enter the sprinkling mechanism 20 to sprinkle the plastic particles into the crushing body 10. At the same time, the U-shaped frame 307 in the closing mechanism 30 drives the sprinkling mechanism 20 to swing up and down reciprocally through the swinging mechanism 60, so that the plastic particles are sprinkled more evenly in the crushing body 10.

[0050] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A plastic particle crushing device, characterized in that, It includes a crushing body (10), a rectangular frame (80) is fixedly connected to the top of the crushing body (10), a feed hopper (70) is connected to the top of the rectangular frame (80), a sprinkling mechanism (20) for reducing the accumulation of plastic particles is arranged at the bottom of the rectangular frame (80), a closing mechanism (30) for controlling the falling speed of plastic particles in the feed hopper (70) is arranged at the top of the rectangular frame (80), a blowing mechanism (40) for removing dust in plastic particles is arranged inside the rectangular frame (80), impact mechanisms (50) for preventing plastic particles from being blocked are symmetrically arranged on both sides of the feed hopper (70), and a swinging mechanism (60) for driving the sprinkling mechanism (20) to move up and down is arranged outside the rectangular frame (80); The sprinkling mechanism (20) includes a conveying hose (207) fixedly connected to the bottom of the rectangular frame (80), a cylindrical outer shell (201) is fixedly connected to one end of the conveying hose (207) away from the rectangular frame (80), a feed port (206) for plastic particles to enter is opened at the top of the outer shell (201), and the feed port (206) is communicated with the conveying hose (207), a discharge port (205) for plastic particles to be discharged is opened on the side of the outer shell (201), the closing mechanism (30) includes a cylinder (301) horizontally rotatably connected inside the rectangular frame (80), and both ends of the cylinder (301) penetrate to the outside of the rectangular frame (80), receiving grooves (302) for containing plastic particles are symmetrically opened on the side of the cylinder (301), the closing mechanism (30) further includes ratchets (303) symmetrically fixedly connected to both ends of the cylinder (301), a ring (304) is sleeved outside each ratchet (303), and the ring (304) is rotatably connected to the side of the rectangular frame (80), a pawl (305) is rotatably connected to the side of the ring (304), the pawl (305) is engaged with the ratchet (303), and an elastic piece (306) is further fixedly connected to the side of each ring (304), and the elastic piece (306) is in close contact with the side of the pawl (305).

2. The plastic particle crushing device according to claim 1, characterized in that, The sprinkling mechanism (20) further includes a circular rotating disk (202) arranged inside the outer shell (201), a first motor (204) is fixedly connected to the bottom of the outer shell (201), and the output end of the first motor (204) extends into the outer shell (201), the output end of the first motor (204) is fixedly connected to the lower surface of the rotating disk (202), and a plurality of baffles (203) are fixedly connected to the upper surface of the rotating disk (202).

3. The plastic particle crushing device according to claim 1, characterized in that, A lever (309) is fixedly connected to the side surface of the circular ring (304). A U-shaped frame (307) is slidably sleeved outside the lever (309). A bracket (308) is slidably sleeved outside the U-shaped frame (307). The bracket (308) is fixedly connected to the side surface of the rectangular frame (80). Symmetrically fixed to both ends of the U-shaped frame (307) are guide rods (310). The guide rods (310) are slidably connected to the protrusions on the side surface of the rectangular frame (80). A return spring (311) is sleeved outside the guide rods (310), and the return spring (311) is located between the protrusion on the side surface of the rectangular frame (80) and the U-shaped frame (307).

4. The plastic particle crushing device according to claim 1, characterized in that, The blowing mechanism (40) includes a mounting hole (401) formed in the side surface of the rectangular frame (80). A fan blade (402) is rotatably connected inside the mounting hole (401). A second motor (403) is fixedly connected to the surface of the rectangular frame (80) outside the mounting hole (401). The output end of the second motor (403) is fixedly connected to the fan blade (402). A cam (404) for pushing the U-shaped frame (307) to move is also fixedly connected to the outside of the output end of the second motor (403). The cam (404) abuts against the side surface of the U-shaped frame (307). The blowing mechanism (40) further includes baffle plates (405) fixedly connected to the inside of the rectangular frame (80) alternately. Through holes (406) for air flow to pass through are formed in the surface of each baffle plate (405). A screen (407) is fixedly connected to the side of the rectangular frame (80) away from the fan blade (402).

5. The plastic particle crushing device according to claim 1, characterized in that, The impact mechanism (50) includes a plurality of rotating rods (501) rotatably connected to the side surface of the feed hopper (70). A hammer (502) is fixedly connected to the bottom of each rotating rod (501) near the feed hopper (70), and one end of each rotating rod (501) away from the hammer (502) bends away from the feed hopper (70).

6. The plastic particle crushing device according to claim 5, characterized in that, The impact mechanism (50) further includes a mounting frame (505) fixedly connected to the side surface of the feed hopper (70). A first chute (506) and a second chute (507) are formed in the side surface of the mounting frame (505). A moving rod (503) is slidably connected in the first chute (506). An outer cylinder (504) for squeezing the bent section at the top of the rotating rod (501) is rotatably sleeved outside the moving rod (503). Connecting rods (509) are fixedly connected to both ends of the moving rod (503). The two connecting rods (509) are fixedly connected to each other through a support rod (510). A limiting rod (508) is fixedly connected to the side surface of each connecting rod (509). The limiting rod (508) extends into the second chute (507) and slides in the second chute (507).

7. The plastic particle crushing device according to claim 6, characterized in that, A roller (511) is slidably connected to the bottom of each support rod (510). An extension rod (512) is fixedly connected to the side surface of the roller (511). One end of the extension rod (512) away from the roller (511) is fixedly connected to one end of the guide rod (310) away from the U-shaped frame (307).

8. The plastic particle crushing device according to claim 1, characterized in that, The swing mechanism (60) includes a connecting shaft (603) symmetrically and fixedly connected to the side surface of the outer housing (201). One end of each connecting shaft (603) away from the outer housing (201) is rotatably connected to the crushing body (10). A steel cable (601) is fixedly connected to the top of the outer housing (201). One end of the steel cable (601) away from the outer housing (201) slides through to the outside of the crushing body (10), and one end of the steel cable (601) away from the outer housing (201) is fixedly connected to the side surface of the U-shaped frame (307). A guide wheel (602) is fixedly connected to the side surface of the rectangular frame (80). The surface of the guide wheel (602) is slidably connected to the steel cable (601).

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