A plastic sheet edge material crushing recycling device

Abstract

The application discloses a plastic sheet edge material crushing and recycling device and belongs to the field of plastic recycling.The device comprises a collecting bin, the top of the collecting bin is fixedly connected with a crushing bin, one side of the collecting bin is fixedly connected with a driving motor, two crushing rollers are rotationally connected inside the crushing bin, one side of each crushing roller is fixedly connected with a transmission shaft, and one side of each transmission shaft is fixedly connected with a second gear.The device can realize the circumferential movement of a disc driven block, the left-right reciprocating movement of the driving block inside a rectangular frame, the up-down circular movement of the rectangular frame, the up-down movement of the mounting frame inside the crushing bin driven by the rectangular frame through a sliding rod, the extrusion of the incoming edge material by the extruding roller, forced feeding, arch material avoidance, rebound avoidance, arch bridge-shaped material avoidance in the hopper or the feeding port, continuous and uniform feeding, normal load range work of the motor, and service life guarantee of the motor.

Description

Technical Field

[0001] This invention relates to the field of plastic recycling, and more specifically, to a device for crushing and recycling plastic scrap. Background Technology

[0002] With the rapid development of the plastics industry, the production and consumption of plastic sheets (such as PP / PE sheets for packaging and PVC sheets for building materials) have continued to rise, resulting in a surge in plastic sheet solid waste (such as production scraps, etc.).

[0003] The scale of waste (including scrapped products) is also expanding year by year. If such solid waste is not properly treated, it will not only occupy a large amount of land resources and cause soil and water pollution, but also waste plastic, a recyclable resource. At present, the mainstream recycling process for plastic sheet solid waste usually includes three major stages: "crushing and pretreatment - melting and recycling - molding and processing".

[0004] In the process of recycling waste plastics, crushing and compression are required to compress the plastics into blocks for easy storage and transportation. However, in the existing technology, crushing and compression require two separate pieces of equipment, which is cumbersome to operate, affects recycling efficiency, and increases equipment operating costs.

[0005] To address the aforementioned technical issues, Chinese Patent No. CN119734375B discloses a waste plastic recycling device and recycling method. This invention integrates crushing and compression by setting up a guide plate, a rotating plate, and other structures, which facilitates packaging. At the same time, the compression box moves up and down to make the fragments more compact, and the end of the rotating plate away from the guide plate slides back and forth on the top of the compression box to adjust the feeding position, avoid accumulation, and improve the efficiency of the waste plastic recycling device.

[0006] However, the device still has the problem of material arching: the material forms an arch bridge in the hopper or feed inlet and cannot fall smoothly. The crusher will run idle or feed intermittently, the entire recycling line cannot operate continuously, and the output will be significantly reduced. Once the arch collapses, a large amount of plastic will rush into the crushing chamber, the load will suddenly soar, the motor current will increase sharply, and the motor will burn out if this continues for a long time. Summary of the Invention

[0007] In view of the problems existing in the prior art, the purpose of this invention is to provide a plastic sheet edge crushing and recycling device.

[0008] To solve the above problems, the present invention adopts the following technical solution.

[0009] A plastic sheet edge crushing and recycling device includes a collection bin, a crushing bin fixedly connected to the top of the collection bin, a drive motor fixedly connected to one side of the collection bin, two crushing rollers rotatably connected to both sides inside the crushing bin, a drive shaft fixedly connected to one side of each of the two crushing rollers, a second gear fixedly connected to one side of each of the two drive shafts, the output end of the drive motor fixedly connected to one of the second gears, and a pushing assembly for pushing material provided on both sides of the top of the crushing bin.

[0010] The feeding assembly includes two first U-shaped brackets fixed at the four corners of the top of the crushing chamber, slots opened in the middle of both sides of the crushing chamber, and an L-shaped plate fixed in the middle of the bottom of one side of the crushing chamber. A disc is rotatably connected to one side of the L-shaped plate. A first gear is fixedly connected to one side of the disc and the outer surface of a drive shaft. A first synchronous belt is sleeved on the outer surface of the two first gears. A drive block is fixedly connected to one edge of the disc. A rectangular frame is fixedly connected to the side of the slide rod near the disc. The drive block is located inside the rectangular frame. A telescopic rod is slidably connected inside the first U-shaped bracket. A mounting frame is fixedly connected to the bottom of the telescopic rod. Extrusion rollers are rotatably connected to both sides of the mounting frame. Slide rods are fixedly connected to both sides of the mounting frame.

[0011] Furthermore, the sliding rods are located inside the slots and slide and adapt to each other. The crushing chamber has a limiting groove on the front and rear sides near the disc. The rectangular frame is connected to the limiting groove through a connecting block. The two second gears mesh with each other. A motor frame is provided on one side of the collection chamber, and the drive motor is mounted on the motor frame.

[0012] Furthermore, the crushing roller is equipped with an anti-winding component, which includes a cavity inside the crushing roller and a movable plate fixed to one side of another slide rod. A triangular block is fixedly connected to one side of the movable plate. Two symmetrical storage slots are opened inside the cavity. A return spring is fixedly connected to one side of the cavity. A push-pull rod is fixedly connected to one end of the return spring. A through groove is opened inside the push-pull rod. Two hinged rods are hinged inside the through groove. A cutting blade is hinged to one end of the two hinged rods. A connecting plate is provided on one side of the two push-pull rods. The push-pull rods are connected to the connecting plate through bearings.

[0013] Furthermore, one side of the push-pull rod extends through the interior of the crushing roller and the collection bin, and the push-pull rod and the crushing roller slide relative to each other in the collection bin. One end of the cutting blade is located inside the storage groove, and a dustproof ring is provided at the opening of the storage groove. A guide rail is provided radially on the inner sidewall of the storage groove, and both sides of the cutting blade are slidably embedded in the guide rail. A limiting block is provided inside the opening of the storage groove to prevent the blade from falling out.

[0014] Furthermore, the bottom of the movable plate extends through the internal space formed by the two push-pull rods and the connecting plate, and the inclined surface of the triangular block contacts and slides against the bottom of the connecting plate.

[0015] Furthermore, a magnetic separation assembly for magnetically separating plastic sheets is provided in the middle of one side of the collection bin. The magnetic separation assembly includes a conveyor belt assembly fixed to one side of the collection bin. Fixed plates are fixedly connected to the rear ends of both sides of the conveyor belt assembly. A rotating shaft is rotatably connected to one side of the two fixed plates that are close to each other. An electromagnetic plate is fixedly connected to one side of the two rotating shafts that are close to each other. One side of the rotating shaft passes through the interior of the fixed plate. A slot is opened inside the rotating shaft. A metal plate is fixedly connected to one side of the fixed plate on the same side. A rod is slidably connected inside the metal plate. A magnet is fixedly connected to the bottom of the rod.

[0016] Furthermore, the top of the magnet extends into the interior of the slot, the magnet is attracted and fixed to the metal plate, and a handle is provided on one side of one of the rotating shafts.

[0017] Furthermore, a leveling assembly is provided at the middle of both sides of the conveyor belt assembly. The leveling assembly includes a second U-shaped bracket fixed at the middle of both sides of the conveyor belt assembly. A servo motor is fixedly connected to the top of the second U-shaped bracket. A drive gear is fixedly connected to the output end of the servo motor. Swing shafts are rotatably connected to the top two sides of the inner top of the second U-shaped bracket. Driven gears are fixedly connected to the top of the outer surfaces of the two swing shafts. A second synchronous belt is sleeved on the outer surfaces of the driven gears and the drive gear. A swing plate is fixedly connected to the outer surface of the swing shafts near the bottom.

[0018] Furthermore, the output end of the servo motor passes through the interior of the second U-shaped bracket and is rotatably connected to it, with the driving gear located between the two driven gears.

[0019] Furthermore, the height of the oscillating plate from the top of the conveyor belt assembly is lower than the height of the electromagnetic plate from the top of the conveyor belt assembly, and the baffles on both sides of the conveyor belt assembly are higher than the height of the top of the conveyor belt of the conveyor belt assembly.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] 1. This solution uses a feeding assembly where a disc drives a drive block in a circular motion. The drive block reciprocates left and right inside a rectangular frame, causing the rectangular frame to move up and down cyclically. The rectangular frame, via a sliding rod, moves the mounting frame up and down inside the crushing chamber, causing the extrusion rollers to squeeze the incoming edge material, thus achieving forced feeding. This prevents material arching and rebound, and avoids the formation of arches in the hopper or feed inlet that prevent material from falling. It ensures continuous and uniform feeding, keeps the motor operating within its normal load range, and extends the motor's service life.

[0022] 2. This solution uses an anti-winding component. Two push-pull rods move to one side inside the crushing roller, stretching the return spring and moving one end of the two hinge rods. This pushes the two cutting blades radially out of the receiving groove along the crushing roller, and the blades pop out at a height less than the height of the moving blade teeth of the crushing roller. This allows for the shearing and cutting of long, thin, soft plastic wrapped around the roller surface without stopping the machine, thus improving work efficiency.

[0023] 3. This solution uses a magnetic separation component and a leveling component. The swing plate swings back and forth, and the accumulated edge material will be evenly spread on the conveyor belt assembly under the action of the swing plate. When the spread material passes through the electromagnetic plate, it can be fully magnetically separated, which improves the magnetic separation effect and prevents metal impurities from escaping. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the pusher assembly structure of the present invention. Figure 1 ;

[0026] Figure 3 This is a schematic diagram of the pusher assembly structure of the present invention. Figure 2 ;

[0027] Figure 4 This is a schematic diagram of the pusher assembly structure of the present invention. Figure 3 ;

[0028] Figure 5 This is a schematic diagram of the anti-winding component structure of the present invention. Figure 1 ;

[0029] Figure 6 This is a schematic diagram of the anti-winding component structure of the present invention. Figure 2 ;

[0030] Figure 7 This is a schematic diagram of the magnetic separation component structure of the present invention;

[0031] Figure 8 This is a schematic diagram of the paving component structure of the present invention.

[0032] Explanation of the labels in the diagram:

[0033] 1. Collection bin; 2. Crushing bin; 3. Drive motor; 4. Drive shaft; 5. Crushing roller;

[0034] 6. Pushing assembly; 61. First U-shaped bracket; 62. Telescopic rod; 63. Mounting frame; 64. Extrusion roller; 65. Slide rod; 66. Rectangular frame; 67. Disc; 68. First gear;

[0035] 69. Anti-tangle component; 691. Cavity; 692. Push-pull rod; 693. Through slot; 694. Hinge rod; 695. Cutting blade; 696. Return spring; 697. Connecting plate; 698. Triangular block; 699. Moving plate; 6910. Storage slot;

[0036] 610. First synchronous belt; 611. L-shaped plate; 612. Slot; 613. Drive block;

[0037] 7. Magnetic separator assembly; 71. Conveyor belt assembly; 72. Electromagnetic plate; 73. Fixing plate; 74. Slot; 75. Insert rod; 76. Rotary shaft; 77. Magnet;

[0038] 78. Leveling component; 781. Second U-shaped bracket; 782. Servo motor; 783. Driven gear; 784. Swing shaft; 785. Drive gear; 786. Second synchronous belt; 787. Swing plate; 79. Metal plate; 8. Second gear. Detailed Implementation

[0039] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0040] Please see Figures 1 to 8 A plastic sheet edge crushing and recycling device includes a collection bin 1, a crushing bin 2 fixedly connected to the top of the collection bin 1, a drive motor 3 fixedly connected to one side of the collection bin 1, two crushing rollers 5 rotatably connected to the two sides inside the crushing bin 2, a drive shaft 4 fixedly connected to one side of each of the two crushing rollers 5, a second gear 8 fixedly connected to one side of each of the two drive shafts 4, the output end of the drive motor 3 fixedly connected to one of the second gears 8, and a pushing assembly 6 for pushing material is provided on both sides of the top of the crushing bin 2.

[0041] like Figures 2-4As shown, the feeding assembly 6 includes two first U-shaped brackets 61 fixed at the four corners of the top of the crushing chamber 2, slots 612 opened in the middle of the two sides of the crushing chamber 2, and an L-shaped plate 611 fixed in the middle of the bottom of one side of the crushing chamber 2. A disc 67 is rotatably connected to one side of the L-shaped plate 611. A first gear 68 is fixedly connected to one side of the disc 67 and the outer surface of a drive shaft 4. A first synchronous belt 610 is sleeved on the outer surface of the two first gears 68. A drive block 613 is fixedly connected to one edge of the disc 67. A rectangular frame 66 is fixedly connected to one side of the slide rod 65 near the disc 67. The drive block 613 is located inside the rectangular frame 66. A telescopic rod 62 is slidably connected inside the first U-shaped bracket 61. A mounting frame 63 is fixedly connected to the bottom of the telescopic rod 62. A squeeze roller 64 is rotatably connected to both sides of the mounting frame 63. A slide rod 65 is fixedly connected to both sides of the mounting frame 63.

[0042] The slide bar 65 is located inside the slot 612 and slides and adapts to each other. The front and rear sides of the crushing chamber 2 near the disc 67 are provided with limiting slide grooves. The rectangular frame 66 is connected to the limiting slide groove through the connecting block. The two second gears 8 mesh with each other. A motor frame is provided on one side of the collection chamber 1, and the drive motor 3 is installed on the motor frame.

[0043] When a large amount of plastic scrap is fed into the crushing chamber 2, it will accumulate into an arch. To address this, the drive motor 3 is activated, which rotates one of the second gears 8. This second gear 8 then rotates the other gear 8 synchronously, which in turn drives the two crushing rollers 5 to rotate synchronously via the drive shaft 4. While feeding the plastic scrap into the crushing chamber 2, the drive shaft 4 rotates, simultaneously driving one of the first gears 68 to rotate. This, in turn, drives the other first gear 68 to rotate via the first synchronous belt 610, causing the disc 67 to rotate synchronously. The disc 67 then drives the drive block 613 to move in a circular motion. The drive block 613 moves back and forth within the rectangular frame 66, causing the rectangular frame 66 to move up and down cyclically. The rectangular frame 66, via the slide rod 65, drives the mounting frame 63 to move up and down within the crushing chamber 2, allowing the extrusion rollers 64 to compress the incoming scrap, forcing feeding and preventing arching and rebound. This prevents the material from forming an arch in the hopper or feed inlet, ensuring continuous and uniform feeding, keeping the motor operating within its normal load range, and extending its service life.

[0044] like Figures 5-6As shown, the crushing roller 5 is equipped with an anti-winding component 69. The anti-winding component 69 includes a cavity 691 opened inside the crushing roller 5 and a movable plate 699 fixed to one side of another slide rod 65. A triangular block 698 is fixedly connected to one side of the movable plate 699. Two storage slots 6910 are symmetrically opened inside the cavity 691. A return spring 696 is fixedly connected to one side of the cavity 691. A push-pull rod 692 is fixedly connected to one end of the return spring 696. A through groove 693 is opened inside the push-pull rod 692. Two hinge rods 694 are hinged inside the through groove 693. A cutting blade 695 is hinged to one end of the two hinge rods 694. A connecting plate 697 is provided on one side of the two push-pull rods 692. The push-pull rods 692 are connected to the connecting plate 697 through bearings.

[0045] One side of the push-pull rod 692 extends through the interior of the crushing roller 5 and the collection bin 1. The push-pull rod 692 and the crushing roller 5 slide relative to the collection bin 1. One end of the cutting blade 695 is located inside the storage groove 6910. A dustproof ring is provided at the opening of the storage groove 6910. A guide rail is provided radially on the inner side wall of the storage groove 6910. Both sides of the cutting blade 695 are slidably embedded in the guide rail. A limiting block is provided inside the opening of the storage groove 6910 to prevent the blade from falling out.

[0046] The bottom of the movable plate 699 passes through the internal space formed by the two push-pull rods 692 and the connecting plate 697. The inclined surface of the triangular block 698 contacts and slides against the bottom of the connecting plate 697.

[0047] When encountering long, thin, soft plastic strips, these strips can become entangled on the outer surface of the crushing roller 5, requiring the machine to be stopped for cleaning, thus delaying work efficiency. Simultaneously, as the extrusion roller 64 moves up and down, another slide bar 65 moves up and down within the slot 612. The slide bar 65 drives the moving plate 699 and the triangular block 698 to move up and down. When the triangular block 698 moves upward, its inclined surface slides against the connecting plate 697, pushing the connecting plate 697 away from the collection chamber 1. This causes the two push-pull rods 692 to move to one side inside the crushing roller 5, stretching the return spring 696. This causes one end of the two hinged rods 694 to move, pushing the two cutting blades 695 inside the collection groove 6910. Once removed from the collection groove 6910, the long, thin, soft plastic strips entangled on the outer surface of the crushing roller 5 are cut off, thus processing the long, thin, soft plastic strips without stopping the machine and improving work efficiency. When the moving plate 699 and the triangular block 698 move down, the connecting plate 697 is no longer squeezed by the triangular block 698. The reset spring 696 resets and drives the push-pull rod 692 to reset synchronously. The opening of the storage slot 6910 is equipped with a dustproof ring to ensure that the blades are fully retracted and not obstructed by dust when not in operation, so that the two cutting blades 695 can be smoothly stored in the storage slot 6910.

[0048] like Figures 7-8 As shown, a magnetic separation assembly 7 for magnetic separation of plastic sheets is provided in the middle of one side of the collection bin 1. The magnetic separation assembly 7 includes a conveyor belt assembly 71 fixed to one side of the collection bin 1. Fixed plates 73 are fixedly connected to the rear ends of both sides of the conveyor belt assembly 71. A rotating shaft 76 is rotatably connected to the side of the two fixed plates 73 that are close to each other. An electromagnetic plate 72 is fixedly connected to the side of the two rotating shafts 76 that are close to each other. One side of the rotating shaft 76 passes through the interior of the fixed plate 73. A slot 74 is opened inside the rotating shaft 76. A metal plate 79 is fixedly connected to one side of the fixed plate 73 on the same side. A rod 75 is slidably connected inside the metal plate 79. A magnet 77 is fixedly connected to the bottom of the rod 75.

[0049] The top of magnet 77 extends into the interior of slot 74, and magnet 77 is attracted and fixed to metal plate 79. A handle is provided on one side of a rotating shaft 76.

[0050] When crushing plastic scrap, if the plastic contains metal impurities, these impurities will impact and scratch the moving and fixed blades after entering the crushing chamber, causing the blades to chip, roll, or deform. If larger metal pieces enter the crushing chamber 2, they will directly jam the two crushing rollers 5, causing the drive motor 3 to overload and trip. Therefore, magnetic separation of the metal in the plastic scrap is required during crushing: when the plastic scrap is conveyed to the area below the electromagnetic plate 72 via the conveyor belt assembly 71, the strong magnetic force of the electromagnetic plate 72 quickly attracts the metal in the scrap, thus removing the metal impurities. When one side of the electromagnetic plate 72 has attracted too much metal waste, its attraction capacity decreases. At this point, the insert rod 75 can be pulled out from the slot 74 to release the fixation of the rotating shaft 76. Rotating the rotating shaft 76 will cause the electromagnetic plate 72 to rotate 180 degrees, so that the side without attracted metal faces the conveyor belt assembly 71, and the magnetic separation continues. This eliminates the need to clean up the metal waste during the magnetic separation process, allowing for the processing of large quantities of plastic scrap.

[0051] like Figure 8 As shown, a leveling assembly 78 is provided at the middle of both sides of the conveyor belt assembly 71. The leveling assembly 78 includes a second U-shaped bracket 781 fixed at the middle of both sides of the conveyor belt assembly 71. A servo motor 782 is fixedly connected to the top of the second U-shaped bracket 781. A drive gear 785 is fixedly connected to the output end of the servo motor 782. Swing shafts 784 are rotatably connected to the top two sides of the inner top of the second U-shaped bracket 781. A driven gear 783 is fixedly connected to the top of the outer surface of the two swing shafts 784. A second synchronous belt 786 is sleeved on the outer surface of the driven gear 783 and the drive gear 785. A swing plate 787 is fixedly connected to the outer surface of the swing shafts 784 near the bottom.

[0052] The output end of the servo motor 782 passes through the interior of the second U-shaped bracket 781 and is rotatably connected to each other. The driving gear 785 is located between the two driven gears 783.

[0053] The height of the swing plate 787 from the top of the conveyor belt assembly 71 is lower than the height of the electromagnetic plate 72 from the top of the conveyor belt assembly 71, and the baffles on both sides of the conveyor belt assembly 71 are higher than the top of the conveyor belt of the conveyor belt assembly 71.

[0054] Plastic scraps tend to accumulate in the middle of the conveyor belt assembly 71, causing the edge area of ​​the electromagnetic plate 72 to malfunction during magnetic separation, reducing the magnetic separation effect and making it easy for some metal waste to escape. Therefore, the accumulated plastic needs to be spread out before magnetic separation. The servo motor 782 is turned on to drive the drive gear 785 to rotate. The drive gear 785 drives two driven gears 783 to rotate synchronously via the second synchronous belt 786. The driven gears 783 drive the swing plate 787 to swing back and forth via the swing shaft 784. Under the action of the swing plate 787, the accumulated scraps will be evenly spread on the conveyor belt assembly 71. When the spread material passes through the electromagnetic plate 72, it can be fully magnetically separated, improving the magnetic separation effect and preventing metal waste from escaping.

[0055] Instructions for use: The plastic scrap is conveyed through the conveyor belt assembly 71. The servo motor 782 is turned on to drive the drive gear 785 to rotate. The drive gear 785 drives the two driven gears 783 to rotate synchronously through the second synchronous belt 786. The driven gears 783 drive the swing plate 787 to swing back and forth through the swing shaft 784. Under the action of the swing plate 787, the accumulated scrap will be evenly spread on the conveyor belt assembly 71. When the spread material passes through the electromagnetic plate 72, it will be fully magnetically separated.

[0056] When the electromagnetic plate 72 adsorbs too much metal waste on one side, the adsorption capacity decreases. At this time, the insertion rod 75 can be pulled out from the inside of the slot 74 to release the fixation of the rotating shaft 76. Rotating the rotating shaft 76 will drive the electromagnetic plate 72 to rotate 180 degrees, so that the side that has not adsorbed metal faces the conveyor belt assembly 71, and continue the magnetic separation work.

[0057] The drive motor 3 is started, which drives one of the second gears 8 to rotate. The second gear 8 drives the other second gear 8 to rotate synchronously, thereby driving the two crushing rollers 5 to rotate synchronously through the transmission shaft 4 and feeding plastic scrap into the crushing chamber 2. At the same time, the transmission shaft 4 drives one of the first gears 68 to rotate, which drives the other first gear 68 to rotate through the transmission of the first synchronous belt 610. This drives the disc 67 to rotate synchronously, and the disc 67 drives the drive block 613 to perform a circular motion. The drive block 613 moves back and forth inside the rectangular frame 66, causing the rectangular frame 66 to move up and down in a circular motion. The rectangular frame 66 drives the mounting frame 63 to move up and down inside the crushing chamber 2 through the slide rod 65, so that the extrusion roller 64 extrudes the fed scrap. Then, the two cutting blades 695 in the anti-winding component 69 cut off the long, thin, soft plastic scrap wrapped around the outer surface of the crushing roller 5.

[0058] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and its improved concepts, should be covered within the scope of protection of the present invention.

Claims

1. A plastic sheet edge crushing and recycling device, comprising a collection bin (1), a crushing bin (2) fixedly connected to the top of the collection bin (1), a drive motor (3) fixedly connected to one side of the collection bin (1), two crushing rollers (5) rotatably connected to both sides inside the crushing bin (2), a drive shaft (4) fixedly connected to one side of each of the two crushing rollers (5), a second gear (8) fixedly connected to one side of each of the two drive shafts (4), and the output end of the drive motor (3) fixedly connected to one of the second gears (8); Its features are: The top two sides of the crushing chamber (2) are provided with pushing components (6) for pushing materials. The feeding assembly (6) includes two first U-shaped brackets (61) fixed at the four corners of the top of the crushing chamber (2), slots (612) opened in the middle of the two sides of the crushing chamber (2), and an L-shaped plate (611) fixed in the middle of the bottom of one side of the crushing chamber (2). A disc (67) is rotatably connected to one side of the L-shaped plate (611). A first gear (68) is fixedly connected to one side of the disc (67) and the outer surface of a transmission shaft (4). The outer surfaces of the two first gears (68) are fitted with... The first synchronous belt (610) has a drive block (613) fixedly connected to one side edge of the disc (67), and a rectangular frame (66) fixedly connected to one side of the slide rod (65) near the disc (67). The first U-shaped bracket (61) has a telescopic rod (62) slidably connected inside, and a mounting frame (63) is fixedly connected to the bottom of the telescopic rod (62). The mounting frame (63) has a squeezing roller (64) rotatably connected to both sides inside, and a slide rod (65) is fixedly connected to both sides of the mounting frame (63).

2. The plastic sheet edge crushing and recycling device according to claim 1, characterized in that: The slide bar (65) is located inside the slot (612) and slides and adapts to each other. The crushing chamber (2) has a limiting slide groove on the front and back sides near the disc (67). The rectangular frame (66) is connected to the limiting slide groove through the connecting block. The two second gears (8) mesh with each other. A motor frame is provided on one side of the collection chamber (1). The drive motor (3) is installed on the motor frame. The drive block (613) is located inside the rectangular frame (66) and slides to each other.

3. The plastic sheet edge crushing and recycling device according to claim 2, characterized in that: The crushing roller (5) is provided with an anti-winding component (69). The anti-winding component (69) includes a cavity (691) opened inside the crushing roller (5) and a movable plate (699) fixed to one side of another slide rod (65). A triangular block (698) is fixedly connected to one side of the movable plate (699). Two storage slots (6910) are symmetrically opened inside the cavity (691). A return spring (696) is fixedly connected to one side of the cavity (691). A push-pull rod (692) is fixedly connected to one end of the return spring (696). A through groove (693) is opened inside the push-pull rod (692). Two hinge rods (694) are hinged inside the through groove (693). A cutting blade (695) is hinged to one end of the two hinge rods (694). A connecting plate (697) is provided on one side of the two push-pull rods (692). The push-pull rod (692) is connected to the connecting plate (697) through a bearing.

4. The plastic sheet edge crushing and recycling device according to claim 3, characterized in that: The push-pull rod (692) extends through the interior of the crushing roller (5) and the collection bin (1) on one side. The push-pull rod (692) and the crushing roller (5) slide relative to the collection bin (1). One end of the cutting blade (695) is located inside the storage groove (6910). A dustproof ring is provided at the opening of the storage groove (6910). A guide rail is provided radially on the inner sidewall of the storage groove (6910). The two sides of the cutting blade (695) are slidably embedded in the guide rail. A limiting block is provided inside the opening of the storage groove (6910) to prevent the blade from falling out.

5. The plastic sheet edge crushing and recycling device according to claim 4, characterized in that: The bottom of the movable plate (699) passes through the internal space formed by the two push-pull rods (692) and the connecting plate (697), and the inclined surface of the triangular block (698) contacts and slides against the bottom of the connecting plate (697).

6. The plastic sheet edge crushing and recycling device according to claim 1, characterized in that: A magnetic separation assembly (7) for magnetic separation of plastic sheets is provided at the middle of one side of the collection bin (1). The magnetic separation assembly (7) includes a conveyor belt assembly (71) fixed to one side of the collection bin (1). Fixed plates (73) are fixedly connected to the rear ends of both sides of the conveyor belt assembly (71). A rotating shaft (76) is rotatably connected to the side of the two fixed plates (73) that are close to each other. An electromagnetic plate (72) is fixedly connected to the side of the two rotating shafts (76) that are close to each other. One side of the rotating shaft (76) penetrates the interior of the fixed plate (73). A slot (74) is opened inside the rotating shaft (76). A metal plate (79) is fixedly connected to one side of the fixed plate (73) on the same side. A plug rod (75) is slidably connected inside the metal plate (79). A magnet (77) is fixedly connected to the bottom of the plug rod (75).

7. The plastic sheet edge crushing and recycling device according to claim 6, characterized in that: The top of the magnet (77) extends into the interior of the slot (74), and the magnet (77) is attracted and fixed to the metal plate (79). A handle is provided on one side of one of the shafts (76).

8. The plastic sheet edge crushing and recycling device according to claim 7, characterized in that: A leveling assembly (78) is provided at the middle of both sides of the conveyor belt assembly (71). The leveling assembly (78) includes a second U-shaped bracket (781) fixed at the middle of both sides of the conveyor belt assembly (71). A servo motor (782) is fixedly connected to the top of the second U-shaped bracket (781). A drive gear (785) is fixedly connected to the output end of the servo motor (782). A swing shaft (784) is rotatably connected to the top two sides of the inner top of the second U-shaped bracket (781). A driven gear (783) is fixedly connected to the top of the outer surface of the two swing shafts (784). A second synchronous belt (786) is sleeved on the outer surface of the driven gear (783) and the drive gear (785). A swing plate (787) is fixedly connected to the outer surface of the swing shaft (784) near the bottom.

9. A plastic sheet edge crushing and recycling device according to claim 8, characterized in that: The output end of the servo motor (782) passes through the interior of the second U-shaped bracket (781) and is rotatably connected to each other. The driving gear (785) is located between the two driven gears (783).

10. A plastic sheet edge crushing and recycling device according to claim 9, characterized in that: The height of the swing plate (787) above the top of the conveyor belt assembly (71) is lower than the height of the electromagnetic plate (72) above the top of the conveyor belt assembly (71), and the baffles on both sides of the conveyor belt assembly (71) are higher than the top of the conveyor belt of the conveyor belt assembly (71).

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