A waste plastic recycling device

Abstract

The application discloses a kind of waste plastics recycling device, belong to plastic recycling equipment technical field, including cleaning pool, and pretreatment assembly is fixedly connected on the lateral wall of cleaning pool, and pretreatment assembly includes processing box, and baffle is fixedly connected in processing box, and storage bin is fixedly connected on the upper end of processing box, and two rub tubs are rotatably connected with discharging assembly by discharging assembly in storage bin, and discharging assembly is fixedly connected with two rub tubs lower end, and rub wash assembly is slidably connected in processing box, and rub wash assembly includes two rub wash boxes slidably connected between the front and rear two inner walls of processing box, the device can be carried out before washing to waste plastics, first by rub wash assembly to waste plastics mechanical rub wash, utilize the mutual friction effect between plastic fragments, promote the dirt and stubborn impurities effectively stripped off adhered on the surface of fragment, this pretreatment procedure not only can effectively reduce the water consumption of subsequent cleaning stage, also greatly improve cleaning efficiency and cleaning effect.

Description

Technical Field

[0001] This invention relates to the field of plastic recycling equipment technology, specifically a waste plastic reuse device. Background Technology

[0002] The recycling and reuse of waste plastics involves collecting, sorting, cleaning, and reprocessing them into new resources. First, waste plastics are collected by community recycling systems or professional organizations and then finely sorted according to material (such as PET, HDPE), color, and intended use. Next, impurities are removed through crushing and high-temperature cleaning. Then, they are processed into recycled plastic granules using melt granulation technology, which are used to manufacture industrial products such as packaging boxes, pipes, and building materials. Some of these granules can be chemically decomposed (such as through pyrolysis) to be reduced back to monomers and resynthesized into plastics. For example, recycled PET bottles can be converted into polyester fibers for clothing production. This process not only reduces petroleum resource consumption and landfill pollution but also lowers carbon emissions.

[0003] Chinese patent discloses a high-efficiency cleaning device for waste plastic recycling (authorization announcement number CN106393482B). The patent includes a bracket, a first fixed rod, a second fixed rod, a first spring, a first pressure block, a magnet, a block, a second rack, a second slide rail, a second pressure block, and a second spring. The first fixed rod is located to the left of the second fixed rod, and the first spring is provided on the right side of the first fixed rod. The right end of the first spring is connected to the first pressure block, and the right side of the first pressure block is provided with a magnet. The second spring is provided on the left side of the second fixed rod.

[0004] In the process of recycling waste plastics, after the plastics are crushed, they need to be washed to remove surface impurities and dust. The cleanliness of the plastics directly affects the quality of the recycled products. However, existing washing processes generally have high water consumption and require multiple rounds of washing to achieve the cleanliness standard, resulting in water waste and low efficiency. At the same time, the existing washing methods, as well as the mechanical stirring methods in the aforementioned patents, have limited effectiveness in removing stubborn impurities with strong adhesion, and the residues can easily affect the subsequent recycling quality. Therefore, we propose a waste plastic recycling device. Summary of the Invention

[0005] The purpose of this invention is to provide a waste plastic recycling device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A waste plastic recycling device includes a washing tank, a pretreatment component fixedly connected to the side wall of the washing tank, the pretreatment component including a treatment box, a partition fixedly connected inside the treatment box, a hopper fixedly connected to the upper end of the treatment box, two scrubbing pipes rotatably connected to the hopper through a feeding component, a discharge component fixedly connected to the lower end of the two scrubbing pipes, and a scrubbing component slidably connected inside the treatment box.

[0008] The scrubbing assembly includes two scrubbing boxes slidably connected between the front and rear inner walls of the treatment tank, with the two scrubbing boxes located on the left and right sides of the scrubbing pipe, respectively. Each scrubbing box contains two rotating drums rotatably connected inside, with a guide belt fitted between the two drums. A stop block is fixedly connected between the upper and lower inner walls of each scrubbing box, and multiple evenly distributed drag-reducing columns are rotatably connected to the stop block. A transmission box is fixedly connected to the upper end of each scrubbing box, and a worm gear is rotatably connected inside the transmission box, with the worm gear fixedly connected to the rotating drum. A worm is rotatably connected between the left and right side walls of the transmission box. The two worm gear sleeves are meshed with a worm wheel. A square rod is inserted between the two worm gear sleeves, and the two ends of the square rod are rotatably connected to the processing box and the partition, respectively. A drive motor is fixedly connected to the side wall of the processing box, and the output end of the drive motor is fixedly connected to the square rod. A clamping component is rotatably connected between the feeding component and the discharging component. A cleaning component is connected between the feeding component and the discharging component. A material discharge aid component is connected to the cleaning component. A synchronization control component is fixedly connected to the side wall of the processing box. Two water exchange pipes are inserted into the side wall of the processing box.

[0009] As a further embodiment of the present invention, the feeding assembly includes two feeding valve housings that are rotatably connected to the rubbing tube, and the two feeding valve housings are connected to the bottom of the hopper. Each of the two feeding valve housings is rotatably connected to a feeding valve core, and a feeding T-shaped cavity is drilled inside the feeding valve core.

[0010] As a further embodiment of the present invention, an upper linkage rod is fixedly connected between the two discharge valve cores, and a handle is rotatably connected to the side wall of the processing box, and the handle is fixedly connected to the discharge valve core.

[0011] As a further embodiment of the present invention, the discharge assembly includes two discharge valve housings, which are rotatably connected to the bottom of the rubbing pipe. A discharge valve core is rotatably connected inside each of the two discharge valve housings. A discharge T-shaped cavity is chiseled inside the discharge valve core. A filter screen is fixedly connected inside the discharge T-shaped cavity. A lower linkage rod is fixedly connected between the two discharge valve cores. A discharge pipe is connected to the lower end of each of the two discharge valve housings.

[0012] As a further embodiment of the present invention, the clamping assembly includes a magnetic plate, and the upper and lower ends of the magnetic plate are rotatably connected to the upper linkage rod and the lower linkage rod, respectively. Rollers are rotatably connected to both sides of the magnetic plate. The magnetic plate is magnetically connected to the abutment block. Return springs are fixedly connected between the two washing boxes and the processing box and the partition, respectively.

[0013] As a further embodiment of the present invention, the cleaning assembly includes a first connecting pipe connected to two discharge valve housings and a second connecting pipe connected to two discharge valve housings. An air inlet pipe is connected to the first connecting pipe, and a solenoid valve is fixedly connected to the air inlet pipe. A water pump is fixedly connected to the second connecting pipe.

[0014] As a further embodiment of the present invention, the material discharge assembly includes a pipe-changing valve housing connected to a second connecting pipe, a pipe-changing valve core rotatably connected inside the pipe-changing valve housing, a pipe-changing T-shaped cavity being excavated inside the pipe-changing valve core, a water-drawing pipe connected to the lower end of the pipe-changing valve housing, and a filter cylinder fixedly connected to the lower end of the water-drawing pipe.

[0015] As a further embodiment of the present invention, a switch valve housing is connected between the first connecting pipe and the water pump outlet. A switch valve core is rotatably connected inside the switch valve housing. Two switch T-shaped cavities are drilled inside the switch valve core, and the two switch T-shaped cavities are respectively connected to the first connecting pipe and the water pump outlet.

[0016] As a further embodiment of the present invention, the synchronous control component includes a control box fixedly connected to the side wall of the processing box. Multiple first bevel teeth are rotatably connected inside the control box. The multiple first bevel teeth are fixedly connected to control rods between the on / off valve core, the pipe switching valve core and the discharge valve core, respectively, and the control rods are rotatably connected to the control box.

[0017] As a further embodiment of the present invention, a rotating rod is rotatably connected inside the control box, and multiple second bevel teeth that mesh with the first bevel teeth are fixedly connected to the rotating rod. An adjusting motor is fixedly connected to one end of the control box, and the output end of the adjusting motor is fixedly connected to the rotating rod.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. When using this invention, the waste plastic can be mechanically scrubbed by the scrubbing component before cleaning. The friction between the plastic fragments promotes the effective removal of dirt and stubborn impurities attached to the surface of the fragments. This pretreatment process can not only effectively reduce the amount of water used in the subsequent cleaning stage, but also greatly improve the cleaning efficiency and cleaning effect.

[0020] 2. In use, this invention, through the synergistic action of the feeding component, discharge component, and cleaning component, can efficiently remove detached impurities with a small amount of circulating water, reducing water consumption. Simultaneously, the dirt dissolves more quickly under the action of water, reducing its adhesion and thus improving overall cleaning efficiency.

[0021] 3. When using this invention, the material discharge component and the synchronous control component work together to enable the water pump to pump out the water in the cleaning tank. This not only prevents the water after washing from polluting the water in the cleaning tank, but also allows the washed plastic fragments to be discharged with the water flow, thereby increasing the discharge speed. Attached Figure Description

[0022] Figure 1 A three-dimensional view of a waste plastic recycling device;

[0023] Figure 2This is a schematic diagram of the pretreatment component in a waste plastic recycling device.

[0024] Figure 3 This is a schematic diagram of the washing component in a waste plastic recycling device.

[0025] Figure 4 An exploded view of the scrubbing component in a waste plastic recycling device;

[0026] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0027] Figure 6 This is a schematic diagram of the discharge component in a waste plastic recycling device.

[0028] Figure 7 This is a schematic diagram of the material discharge aid component in a waste plastic recycling device.

[0029] Figure 8 This is a diagram showing the state of a waste plastic recycling device during material discharge.

[0030] Figure 9 This is a schematic diagram of the synchronous control component in a waste plastic recycling device.

[0031] Figure 10 This is a diagram showing the state of a scrubbing tube during washing in a waste plastic recycling device.

[0032] In the picture:

[0033] 1. Cleaning tank;

[0034] 2. Pre-treatment components; 201. Processing box; 202. Baffle; 203. Hopper; 204. Pipe rolling;

[0035] 3. Feeding assembly; 301. Feeding valve housing; 302. Feeding valve core; 303. Feeding T-shaped cavity; 304. Upper linkage rod; 305. Handle;

[0036] 4. Washing assembly; 401. Washing box; 402. Rotary drum; 403. Guide belt; 404. Abutment block; 405. Drag-reducing column; 406. Transmission box; 407. Worm gear; 408. Worm sleeve; 409. Square rod; 410. Drive motor;

[0037] 5. Discharge assembly; 501. Discharge valve housing; 502. Discharge valve core; 503. Discharge T-shaped cavity; 504. Filter screen; 505. Lower linkage rod; 506. Pipeline;

[0038] 6. Clamping assembly; 601. Magnetic plate; 602. Roller; 603. Return spring;

[0039] 7. Cleaning assembly; 701. First connecting pipe; 702. Second connecting pipe; 703. Air inlet pipe; 704. Solenoid valve; 705. Water pump;

[0040] 8. Material discharge aid assembly; 801. Pipe changing valve body; 802. Pipe changing valve core; 803. Pipe changing T-shaped cavity; 804. Pumping pipe; 805. Filter cartridge; 806. On / off valve body; 807. On / off valve core; 808. On / off T-shaped cavity;

[0041] 9. Synchronous control component; 901. Control box; 902. First bevel gear; 903. Control lever; 904. Rotating lever; 905. Second bevel gear; 906. Adjusting motor;

[0042] 10. Replace the water pipes. Detailed Implementation

[0043] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0044] Example 1: Please refer to Figures 1 to 8 In this embodiment of the invention, a waste plastic recycling device includes a washing tank 1 for washing plastic fragments. A pretreatment component 2 is fixedly connected to the side wall of the washing tank 1 by a support plate. The pretreatment component 2 includes a treatment box 201. A partition 202 is fixedly connected inside the treatment box 201 to divide the treatment box 201 into two spaces. The right space is filled with cleaning water. A hopper 203 for storing waste plastic is fixedly connected to the upper end of the treatment box 201 by a feeding component 3. The hopper 203 is connected to the feeding valve shell 301 in the feeding component 3. Two scrubbing tubes 204 are rotatably connected to the mechanical seal. The outer layer of the two scrubbing tubes 204 is made of rubber material, and a layer of plush material is fixed on the inner side. When the scrubbing tubes 204 are rubbed, the plush inside the scrubbing tubes 204 continuously scrubs the plastic fragments inside. At the same time, the friction will cause multiple plastic fragments to rub against each other, helping the dirt on the surface of the plastic fragments to fall off quickly. The lower end of the two scrubbing tubes 204 is fixedly connected to a discharge component 5 for discharging the scrubbed plastic fragments. The processing box 201 is slidably connected to a scrubbing component 4 for scrubbing the scrubbing tubes 204.

[0045] The scrubbing assembly 4 includes two scrubbing boxes 401 that are laterally slidably connected between the front and rear inner walls of the treatment box 201. The two scrubbing boxes 401 are located on the left and right sides of the scrubbing tube 204, respectively, to facilitate clamping the scrubbing tube 204. Two rotating drums 402 are rotatably connected between the upper and lower inner walls of the two scrubbing boxes 401. A guide belt 403 is sleeved between the two rotating drums 402. When the two rotating drums 402 rotate, they can drive the guide belt 403 to move. By using the two guide belts 403 to clamp and move the scrubbing tube 204 in different directions, the guide belts 403 can drive the scrubbing tube 204 to rub and rotate through friction. A stop block 404 is fixedly connected between the two washing boxes 401 to prevent excessive deformation of the guide belt 403 when it is squeezed and rubbed in the tube 204. Multiple evenly distributed drag-reducing columns 405 are rotatably connected to the stop block 404, and these columns abut against the guide belt 403. The drag-reducing columns 405 effectively reduce the friction between the stop block 404 and the guide belt 403. A transmission box 406 is fixedly connected to the upper end of each of the two washing boxes 401 by welding. A worm gear 407 is rotatably connected to the lower inner wall of the transmission box 406, and the axis of the worm gear 407 is fixedly connected to the axis of the rotating drum 402. The left and right side walls of the transmission box 406 are connected by bearings. A worm sleeve 408 is movably connected and meshes with a worm wheel 407. The threads of the two worm sleeves 408 are symmetrically arranged, so that when the two worm sleeves 408 rotate in the same direction, they can drive the two worm wheels 407 to rotate in different directions respectively. A square rod 409 is inserted between the two worm sleeves 408. When the square rod 409 rotates, it simultaneously drives the two worm sleeves 408 to rotate, thereby enabling the two worm sleeves 408 to simultaneously drive the two worm wheels 407 to rotate respectively. The two ends of the square rod 409 are rotatably connected to the inner side wall of the processing box 201 and the side wall of the partition 202 respectively. A fixed connection is made to the side wall of the processing box 201. A drive motor 410 is used to drive the square rod 409 to rotate, and the output end of the drive motor 410 is fixedly connected to the square rod 409 by bolts. A clamping component 6 for driving the washing box 401 to move is rotatably connected between the upper linkage rod 304 in the feeding component 3 and the lower linkage rod 505 in the discharge component 5. A cleaning component 7 for pumping water is connected between the feeding component 3 and the discharge component 5. A material discharge aid component 8 for discharging material is connected to the cleaning component 7. A synchronous control component 9 for easy simultaneous control and adjustment is fixedly connected to the side wall of the processing box 201. Two water replacement pipes 10 for water replacement are inserted into the side wall of the processing box 201.

[0046] The feeding assembly 3 includes two feeding valve housings 301 that are rotatably connected to and communicate with the upper end of the rubbing tube 204 via mechanical seals. The upper ends of the two feeding valve housings 301 are connected to the bottom of the hopper 203. A feeding valve core 302 is rotatably connected inside each of the two feeding valve housings 301. A feeding T-shaped cavity 303 is carved inside the feeding valve core 302. When the feeding valve core 302 rotates to connect the feeding T-shaped cavity 303 with the hopper 203, the waste plastic inside the hopper 203 is discharged into the rubbing tube 204 through the feeding valve core 302. Rotating the discharge valve core 302 can also connect the scrubbing tube 204 to the first connecting tube 701 in the cleaning assembly 7. An upper linkage rod 304 is fixedly connected between the two discharge valve cores 302. A handle 305 is rotatably connected to the side wall of the processing box 201, and the handle 305 is fixedly connected to the discharge valve core 302. When rotating the handle 305, the two discharge valve cores 302 can be rotated simultaneously. In addition, limit plates are provided on both sides of the handle 305 so that the handle 305 can accurately drive the discharge valve core 302 to rotate 90 degrees.

[0047] The discharge assembly 5 includes two discharge valve housings 501, the upper ends of which are rotatably connected to the bottom of the rubbing pipe 204 via a mechanical seal. Each discharge valve housing 501 has a discharge valve core 502 rotatably connected inside. The discharge valve core 502 has a discharge T-shaped cavity 503. When the discharge valve core 502 rotates, connecting the discharge T-shaped cavity 503 to the discharge pipe 506, the waste plastic inside the rubbing pipe 204 can be discharged into the cleaning tank through the discharge valve core 502 and the discharge pipe 506. Inside 1, by rotating the discharge valve core 502, the scrubbing tube 204 can also be connected to the second connecting pipe 702 in the cleaning assembly 7. The discharge T-shaped cavity 503 is fixedly connected with a filter screen 504 for intercepting plastic fragments. When the water pump 705 is started, the cleaning water in the scrubbing tube 204 can be extracted. At the same time, the filter screen 504 intercepts the plastic fragments. A lower linkage rod 505 is fixedly connected between the two discharge valve cores 502. The lower ends of the two discharge valve shells 501 are connected to discharge pipes 506.

[0048] The clamping assembly 6 includes a magnetic plate 601, and the upper and lower ends of the magnetic plate 601 are rotatably connected to the center of the upper linkage rod 304 and the lower linkage rod 505 respectively through bearings. An electromagnet is installed inside the magnetic plate 601. Since the abutment 404 is made of iron, the electromagnet will generate an attraction force on the abutment 404 on both sides when energized. Rollers 602 are rotatably connected to both sides of the magnetic plate 601. When the magnetic plate 601 is started, the magnetic plate 601 and the abutment 404 are magnetically attracted. The opposite side walls of the two washing boxes 401 are fixedly connected to the processing box 201 and the partition 202 respectively with return springs 603.

[0049] The cleaning assembly 7 includes a first connecting pipe 701 connected and fixed to two discharge valve housings 301 and a second connecting pipe 702 connected and fixed to two discharge valve housings 501. An air inlet pipe 703 is connected and fixed to the first connecting pipe 701, and a solenoid valve 704 for opening and closing is fixedly connected to the air inlet pipe 703. A water pump 705 for pumping water is fixedly connected to the second connecting pipe 702. When the water pump 705 is started, it can pump the cleaning water in the processing tank 201 into the scrubbing pipe 204 to improve the cleaning effect on plastic fragments. The cleaned water is then discharged back into the processing tank 201 through the second connecting pipe 702, achieving a water circulation effect and reducing water consumption. During this process, when the solenoid valve 704 is opened, the water pump 705 will pump out the water in the scrubbing pipe 204, and no more cleaning water will flow into the scrubbing pipe 204. Instead, air will enter through the air inlet pipe 703.

[0050] Example 2: Please refer to Figures 9 to 10 Based on Embodiment 1, the material discharge assembly 8 includes a pipe-changing valve housing 801 connected to the second connecting pipe 702. A pipe-changing valve core 802 is rotatably connected inside the pipe-changing valve housing 801. A pipe-changing T-shaped cavity 803 is carved inside the pipe-changing valve core 802. A water-drawing pipe 804 for pumping water is connected and fixed to the lower end of the pipe-changing valve housing 801. A filter cylinder 805 for filtering and washing plastic fragments is fixedly connected to the lower end of the water-drawing pipe 804. A shut-off valve housing 806 is connected between the first connecting pipe 701 and the outlet of the water pump 705. A shut-off valve core 807 is rotatably connected inside the shut-off valve housing 806. Two shut-off T-shaped cavities 808 are carved inside the shut-off valve core 807. The first connecting pipe 701 is connected to the lower end of the first connecting pipe 701 and the outlet of the water pump 705. In the initial state, the water discharged by the water pump 705 is returned to the treatment tank 201 through the on / off T-shaped cavity 808, while the first connecting pipe 701 draws water through the on / off T-shaped cavity 808. When it is necessary to discharge the plastic fragments that have been washed in the scrubbing pipe 204 for the next cleaning step, the on / off valve core 807, the pipe changing valve core 802, and the discharge valve core 502 can be rotated simultaneously through the synchronous control component 9. This allows the water pump 705 to connect with the first connecting pipe 701, the pipe changing valve core 802 to connect with the water pumping pipe 804, and the discharge T-shaped cavity 503 to connect with the discharge pipe 506, changing the entire circulation pipeline. The state at this time is as follows: Figure 8 As shown, the water pump 705 draws fresh, clean water from the cleaning tank 1 through the water pumping pipe 804, and uses the water flow to carry out the plastic fragments in the rubbing pipe 204 through the first connecting pipe 701 and the discharge T-shaped cavity 303, so that the plastic fragments can be discharged into the cleaning tank 1 through the discharge T-shaped cavity 503 and the discharge pipe 506, thereby effectively improving the discharge efficiency of plastic fragments by utilizing the water flow.

[0051] The synchronous control assembly 9 includes a control box 901 fixedly connected to the side wall of the processing tank 201. Multiple first bevel teeth 902 are rotatably connected to the inner side wall of the control box 901. Each of the multiple first bevel teeth 902 is fixedly connected to a control rod 903 between itself and a switching valve core 807, a pipe-changing valve core 802, and a discharge valve core 502. The control rod 903 is rotatably connected to the control box 901. A mechanical seal is installed between the control rod 903 and the processing tank 201 to prevent water leakage inside the processing tank 201. A rotating rod 904 is rotatably connected inside the control box 901. Multiple second bevel teeth 905 that mesh with the first bevel teeth 902 are fixedly connected to the rotating rod 904. One end of the control box 901 is fixedly connected to the regulating motor 906, and the output end of the regulating motor 906 is fixedly connected to the rotating rod 904. When discharging material, it is only necessary to start the regulating motor 906, so that the regulating motor 906 drives the multiple first bevel teeth 902 to rotate synchronously through the rotating rod 904 and the multiple second bevel teeth 905, so as to simultaneously drive the discharge valve core 502, the pipe changing valve core 802 and the on / off valve core 807 respectively, so as to quickly switch to the discharge state.

[0052] The working principle of this invention is:

[0053] In use, the present invention begins by having the sorted waste plastics fed into the hopper 203. Then, by rotating the handle 305, the discharge valve core 302 rotates, connecting the discharge T-shaped cavity 303 to the hopper 203. The waste plastics inside the hopper 203 are then discharged through the discharge valve core 302 into the scrubbing tube 204. Once the scrubbing tube 204 is full, the handle 305 is rotated again to close the discharge channel. Subsequently, the electromagnet inside the magnetic plate 601 is activated, simultaneously attracting the abutments 404 on both sides. The abutments 404 cause the scrubbing boxes 401 on both sides to move closer together until the guide belt 403 exerts a squeezing effect on the scrubbing tube 204. At this point, the drive motor 410 is activated, rotating the square rod 409, which in turn drives two worm gears simultaneously. The rotation of sleeve 408 causes the two worm sleeves 408 to simultaneously drive the two worm wheels 407 to rotate. Since the thread directions of the two worm sleeves 408 are symmetrically arranged, when the two worm sleeves 408 rotate in the same direction, they can drive the two worm wheels 407 to rotate in different directions. Therefore, when the worm wheels 407 drive the rotating drum 402 to rotate, the rotating drum 402 drives the guide belt 403 to move. By using the two guide belts 403 to clamp the two sides of the rubbing tube 204 and move them in different directions, the guide belts 403 can drive the rubbing tube 204 to rub and rotate through friction. When the rubbing tube 204 is rubbed, the lint inside the rubbing tube 204 continuously scrubs the plastic fragments inside. At the same time, under the action of friction, multiple plastic fragments will rub against each other, helping the dirt on the surface of the plastic fragments to fall off quickly.

[0054] While scrubbing the plastic fragments, workers can also activate water pump 705. Water discharged from pump 705 is returned to the treatment tank 201 via the on / off T-shaped cavity 808. Meanwhile, the first connecting pipe 701 draws water through the on / off T-shaped cavity 808, and pump 705 draws the cleaning water from the treatment tank 201 to the scrubbing pipe 204 via the first connecting pipe 701, improving the cleaning effect on the plastic fragments. The cleaned water is then returned to the treatment tank 201 again via the second connecting pipe 702, achieving a water circulation effect. This method not only uses water to reduce the adhesion of dirt, making it easier to remove, but also reduces water consumption. After the plastic fragment washing stage is completed, when the operator opens the solenoid valve 704, the water pump 705 will extract the water from the washing pipe 204, and no more cleaning water will flow into the washing pipe 204. Instead, air will enter through the air inlet pipe 703, thus completely draining the water used for rinsing from the washing pipe 204. Finally, the operator only needs to start the regulating motor 906, which will drive multiple first bevel teeth 902 to rotate synchronously through the rotating rod 904 and multiple second bevel teeth 905, thereby simultaneously driving the discharge valve core 502, the pipe changing valve core 802, and the on / off valve core 807 respectively. Figure 10 As shown, in order to quickly switch to the discharge state, the water pump 705 draws water from the cleaning tank 1 through the water pumping pipe 804, and through the first connecting pipe 701 and the discharge T-shaped cavity 303, the water flow carries out the plastic fragments in the rubbing pipe 204, so that the plastic fragments can be discharged into the cleaning tank 1 through the discharge T-shaped cavity 503 and the discharge pipe 506. This not only prevents the water previously rinsed from polluting the water in the cleaning tank 1, but also effectively improves the discharge efficiency of the plastic fragments by utilizing the water flow.

[0055] The above description is only a preferred embodiment of the present invention, but 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 inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A waste plastic recycling device, comprising a washing tank (1), characterized in that, A pretreatment component (2) is fixedly connected to the side wall of the cleaning tank (1). The pretreatment component (2) includes a treatment box (201). A partition (202) is fixedly connected inside the treatment box (201). A hopper (203) is fixedly connected to the upper end of the treatment box (201). The hopper (203) is rotatably connected to two scrubbing pipes (204) through a feeding component (3). A discharge component (5) is fixedly connected to the lower end of the two scrubbing pipes (204). A scrubbing component (4) is slidably connected inside the treatment box (201). The scrubbing assembly (4) includes two scrubbing boxes (401) slidably connected between the front and rear inner walls of the treatment box (201), and the two scrubbing boxes (401) are located on the left and right sides of the scrubbing tube (204), respectively. Two rotating drums (402) are rotatably connected inside each of the two scrubbing boxes (401), and a guide belt (403) is sleeved between the two rotating drums (402). A stop block (404) is fixedly connected between the upper and lower inner walls of the scrubbing box (401), and multiple evenly distributed drag-reducing columns (405) are rotatably connected to the stop block (404). A transmission box (406) is fixedly connected to the upper end of each of the two scrubbing boxes (401), and a worm gear (407) is rotatably connected inside the transmission box (406). The worm gear (407) is fixedly connected to the rotating drum (402). A worm sleeve (408) is rotatably connected between the left and right side walls of the transmission box (406), and the worm sleeve (408) meshes with the worm gear (407). A square rod (409) is inserted between the two worm sleeves (408), and the two ends of the square rod (409) are rotatably connected to the processing box (201) and the partition (202) respectively. A drive motor (410) is fixedly connected to the side wall of the processing box (201), and the output end of the drive motor (410) is fixedly connected to the square rod (409). A clamping assembly (6) is rotatably connected between the feeding assembly (3) and the discharging assembly (5). A cleaning component (7) is connected between the two parts, and a material discharge component (8) is connected to the cleaning component (7). A synchronous control component (9) is fixedly connected to the side wall of the processing box (201). Two water exchange pipes (10) are inserted into the side wall of the processing box (201). The material discharge component (3) includes two material discharge valve housings (301) that are rotatably connected to the rubbing pipe (204), and the two material discharge valve housings (301) are connected to the bottom of the hopper (203). The material discharge component (5) includes two material discharge valve housings (501), and the two material discharge valve housings (501) are rotatably connected to the bottom of the rubbing pipe (204). The cleaning component (7) includes a first connecting pipe (701) that is connected to the two material discharge valve housings (301) and a material discharge component (8) that is connected to the two material discharge valve housings (204). The material valve housing (501) is connected to the second connecting pipe (702). The first connecting pipe (701) is connected to the air inlet pipe (703). The air inlet pipe (703) is fixedly connected to the solenoid valve (704). The second connecting pipe (702) is fixedly connected to the water pump (705). The material discharge assembly (8) includes a pipe-changing valve housing (801) connected to the second connecting pipe (702). The pipe-changing valve housing (801) is rotatably connected to the pipe-changing valve core (802). The pipe-changing valve core (802) has a pipe-changing T-shaped cavity (803) carved inside. The lower end of the pipe-changing valve housing (801) is connected to the water pumping pipe (804). The lower end of the water pumping pipe (804) is fixedly connected to the filter cylinder (805).A shut-off valve housing (806) is connected between the first connecting pipe (701) and the outlet of the water pump (705). A shut-off valve core (807) is rotatably connected inside the shut-off valve housing (806). Two shut-off T-shaped cavities (808) are carved inside the shut-off valve core (807), and the two shut-off T-shaped cavities (808) are respectively connected to the first connecting pipe (701) and the outlet of the water pump (705).

2. The waste plastic recycling device according to claim 1, characterized in that, Both of the feeding valve housings (301) are rotatably connected to a feeding valve core (302), and a feeding T-shaped cavity (303) is carved inside the feeding valve core (302).

3. The waste plastic recycling device according to claim 2, characterized in that, An upper linkage rod (304) is fixedly connected between the two discharge valve cores (302), and a handle (305) is rotatably connected to the side wall of the processing box (201), and the handle (305) is fixedly connected to the discharge valve core (302).

4. The waste plastic recycling device according to claim 1, characterized in that, Both discharge valve housings (501) are rotatably connected to discharge valve cores (502). The discharge valve cores (502) are carved with discharge T-shaped cavities (503). A filter screen (504) is fixedly connected inside the discharge T-shaped cavities (503). A lower linkage rod (505) is fixedly connected between the two discharge valve cores (502). The lower ends of both discharge valve housings (501) are connected to discharge pipes (506).

5. The waste plastic recycling device according to claim 1, characterized in that, The clamping assembly (6) includes a magnetic plate (601), and the upper and lower ends of the magnetic plate (601) are rotatably connected to the upper linkage rod (304) and the lower linkage rod (505) respectively. Rollers (602) are rotatably connected to both sides of the magnetic plate (601). The magnetic plate (601) is magnetically connected to the abutment block (404). The two washing boxes (401) are fixedly connected to the processing box (201) and the partition (202) respectively with a return spring (603).

6. The waste plastic recycling device according to claim 1, characterized in that, The synchronous control component (9) includes a control box (901) fixedly connected to the side wall of the processing box (201). The control box (901) has a plurality of first bevel teeth (902) rotatably connected inside. The plurality of first bevel teeth (902) are fixedly connected to control rods (903) between the on / off valve core (807), the pipe switching valve core (802) and the discharge valve core (502), respectively. The control rods (903) are rotatably connected to the control box (901).

7. A waste plastic recycling device according to claim 6, characterized in that, The control box (901) is rotatably connected to a rotating rod (904). Multiple second bevel teeth (905) that mesh with the first bevel teeth (902) are fixedly connected to the rotating rod (904). An adjusting motor (906) is fixedly connected to one end of the control box (901), and the output end of the adjusting motor (906) is fixedly connected to the rotating rod (904).

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