Plastic particle recycling and cleaning device

Abstract

The invention discloses a plastic particle recycling and cleaning device, and belongs to the technical field of plastic particle recycling, the plastic particle recycling and cleaning device comprises a cleaning inner cylinder used for cleaning and recycling plastic particles, and an elastic pressing structure used for dredging and extruding the plastic particles is fixedly connected to the upper position of the inner wall of the cleaning inner cylinder; a cleaning sponge structure for increasing the cleaning area and the cleaning friction force is fixedly connected to the position, located below the elastic downward pressing structure, of the inner wall of the cleaning inner barrel, and a cleaning and discharging mechanism for discharging cleaned plastic particles is fixedly connected to the bottom of the cleaning inner barrel. According to the plastic particle cleaning device, the elastic pressing structures and the cleaning sponge structures are arranged, the elastic pressing structures can press to-be-cleaned plastic particles at the corresponding positions into the cleaning sponge structures, the plastic particles can fully slide on the inner sides of the cleaning sponge structures, the plastic particles can be fully cleaned without dead corners, cleaning is more thorough, and the cleaning efficiency is improved. And the cleaning and discharging mechanism can discharge the cleaned plastic particles without shutdown.

Description

Technical Field

[0001] The invention belongs to the technical field of plastic particle recovery, and in particular relates to a plastic particle recovery and cleaning device. Background Art

[0002] Plastic is a material that is difficult to degrade naturally. In landfills, plastic waste takes up a lot of space. If not recycled, plastic waste will continue to accumulate, exacerbating the shortage of land resources. According to statistics, hundreds of millions of tons of plastic waste are generated every year around the world, a large part of which ends up in landfills, causing a relatively bad impact on the environment, and this impact is long-term. Therefore, plastic recycling is of great significance in many aspects, whether it is environmental protection, or the rational use of resources and sustainable economic development, it has a far-reaching impact.

[0003] In the prior art, when plastics are recycled, in order to facilitate subsequent processing, the plastics need to be crushed, and the crushed plastic particles are then cleaned by a cleaning structure. In the prior art, when plastic particles are cleaned, stirring cleaning or centrifugal stirring cleaning is mostly used for cleaning. This cleaning method is highly efficient, but the friction between the plastic particles is small, resulting in sanitary dead corners when the plastic particles are cleaned, affecting the cleaning quality, and after the cleaning is completed, the equipment needs to be shut down to remove the plastic particles in the equipment, affecting the cleaning efficiency. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the prior art and provide a plastic recycling and cleaning device that can clean thoroughly and does not require shutdown to remove plastic particles.

[0005] The technical solution adopted to solve the above technical problems is: a plastic particle recovery and cleaning device, comprising a cleaning inner cylinder for cleaning and recycling plastic particles, wherein an elastic downward pressing structure for guiding and squeezing plastic particles is fixedly connected to the upper position of the inner wall of the cleaning inner cylinder, and the plastic particles to be cleaned after soaking can be pressed from the particle hopper into the twisted cleaning channel through the elastic downward pressing structure, and the elastic downward pressing structure can automatically reset when the pressure of the arc-shaped squeezing plate is lost; The inner wall of the cleaning inner cylinder is fixedly connected with a cleaning sponge structure that increases the cleaning area and cleaning friction force at a position below the elastic downward pressing structure. The plastic particles in the high-density sponge body can be pressed into the twisted cleaning channel by the elastic downward pressing structure through the cleaning sponge structure for friction cleaning, so that the plastic particles can be cleaned completely without dead angles. A cleaning discharge mechanism for discharging the cleaned plastic particles is fixedly connected to the bottom of the cleaning inner cylinder. The cleaning discharge mechanism can discharge the cleaned plastic particles. The whole process does not require shutdown, thereby improving the cleaning efficiency of the plastic particles.

[0006] Furthermore, the elastic downward pressure structure includes a fixed support plate fixedly connected to the inner wall of the cleaning inner cylinder, the surface of the fixed support plate is penetrated by a plurality of evenly distributed extrusion elastic cylinders with two circles fixedly connected, the surface of the extrusion elastic cylinder is penetrated by an extrusion elastic column slidably connected, a limiting elastic plate is arranged on the inner side of the extrusion elastic cylinder, and the limiting elastic plate is penetrated and fixedly connected with the extrusion elastic column.

[0007] Through the above technical solution, the elastic downward pressing structure is installed and fixed by the fixed support plate, and the extrusion elastic column arranged in the extrusion elastic cylinder is pressed downward under the action of the arc extrusion plate, so that the plastic particles are pressed into the corresponding particle bucket, so that the plastic particles slide down.

[0008] Furthermore, a compression spring is fixedly connected between the lower surface of the limiting elastic plate and the inner bottom wall of the extrusion elastic cylinder, a cleaning motor is fixedly connected to the middle position of the upper surface of the cleaning inner cylinder, the driving end of the cleaning motor faces downward, and the power shaft at the driving end is rotatably connected to the upper surface of the cleaning inner cylinder, an arc-shaped extrusion plate is fixedly connected to the power shaft position of the driving end of the cleaning motor, and the bottom of the arc-shaped extrusion plate is arranged in a circular arc shape.

[0009] Through the above technical scheme, the compression spring can be fixedly installed by means of a limiting elastic plate. Under the action of the compression spring, the extrusion elastic column rebounds and resets when the arc extrusion plate no longer presses the extrusion elastic column. The cleaning motor provides power for the rotation of the arc extrusion plate, so that the arc extrusion plate rotates, and the arc structure at the bottom of the arc extrusion plate continues to press the extrusion elastic column. The cleaning motor is a reduction motor, and the driving end of the cleaning motor is connected to the power shaft by a coupling.

[0010] Furthermore, a fixed supporter is fixedly connected to the outer wall of the cleaning inner cylinder near the bottom for support.

[0011] Through the above technical solution, the fixed support device can continue to fix and support the cleaning inner drum.

[0012] Furthermore, the cleaning sponge structure includes a high-density sponge body fixedly connected to the middle part of the inner wall of the cleaning inner cylinder, a plurality of conical particle buckets are provided on the surface of the high-density sponge body, and a plurality of the particle buckets are located directly below the corresponding extruded elastic columns; a curved twisted cleaning channel is provided on the inner side of the high-density sponge body directly below the corresponding particle buckets, and the twisted cleaning channel runs through the bottom of the high-density sponge body.

[0013] Through the above technical solution, the high-density sponge body can maintain a good shape and is relatively soft. At the same time, a curved twisted cleaning channel is arranged inside it, so that the plastic particles can be cleaned without dead angle friction during the sliding process. The particle bucket is arranged in a cone shape, which is convenient for the centralized collection of plastic particles. The particle bucket is located directly below the corresponding extrusion elastic column, and the plastic can be pressed into the corresponding twisted cleaning channel.

[0014] Furthermore, a plastic particle adding bucket is fixedly connected through the upper position of the outer wall of the cleaning inner cylinder, a collecting bucket is fixedly connected to the inner wall of the cleaning inner cylinder below the cleaning sponge structure, and the inner side of the collecting bucket is arranged in an inverted cone shape, a guide pipe is fixedly connected through the bottom of the collecting bucket and the center position of the bottom of the cleaning inner cylinder, and the guide pipe extends into the cleaning discharge mechanism.

[0015] Through the above technical solution, plastic particles to be cleaned and cleaning liquid can be added to the cleaning inner cylinder through the plastic particle adding bucket, and the liquid level of the cleaning liquid is located below the extruded elastic cylinder and above the high-density sponge body, thereby avoiding overflow of the cleaning liquid and allowing the plastic particles to fully contact with the cleaning liquid. The collecting bucket can concentrate the cleaned plastic particles at the bottom of the cone, and guide the cleaned plastic particles into the plastic particle collection box through the diversion pipe, which is convenient for centralized collection. A fixing frame is provided between the plastic particle adding bucket and the top of the cleaning inner cylinder, thereby avoiding breakage of the bent pipe of the plastic particle adding bucket due to the heavy weight when adding plastic particles and cleaning liquid into the plastic particle adding bucket.

[0016] Furthermore, the cleaning and discharging mechanism comprises a plastic particle collection box fixedly connected to the bottom of the cleaning inner cylinder, a wastewater discharge pipe is fixedly connected through any side of the plastic particle collection box, and a valve is provided at the outer wall of the wastewater discharge pipe.

[0017] Through the above technical solution, the plastic particle collection box collects the cleaned plastic particles, which is convenient for sending the plastic particles out through the screw feeder. After the valve at the wastewater discharge pipe is opened, the cleaning liquid after cleaning can be discharged and the cleaning liquid can be replaced.

[0018] Furthermore, a conveying cylinder is fixedly connected to the side wall of the plastic particle collection box obliquely upward, the height of the top of the conveying cylinder is higher than the height of the arc extrusion plate, a screw feeder is arranged on the inner side of the conveying cylinder, the rotating shaft of the screw feeder is rotatably connected to the bottom of the plastic particle collection box, the bottom of the plastic particle collection box is fixedly connected to an output motor through a fixed bracket, and the driving end of the output motor is fixedly connected to the rotating shaft of the screw feeder.

[0019] Through the above technical solution, the conveying cylinder provides a channel for the discharge of the cleaned plastic particles, and the height of the top of the conveying cylinder is higher than the height of the arc extrusion plate to avoid overflow of the cleaning liquid under the action of the communicating vessel principle. The screw feeder can convey the plastic particles stored in the plastic particle collection box. The output motor provides power for the rotation of the screw feeder, and the driving end of the output motor is connected to the screw feeder through a coupling.

[0020] Furthermore, a limit support groove is provided on the same horizontal line as the inner wall of the cleaning inner cylinder and the arc extrusion plate, a limit support block is fixedly connected to the side wall of the arc extrusion plate, and the limit support block is slidably connected to the limit support groove at the corresponding position.

[0021] Through the above technical solution, the limiting support groove and the limiting support block can cooperate to support the arc extrusion plate, thereby preventing the arc extrusion plate from causing damage to the power shaft at the cleaning motor position.

[0022] The beneficial effects of the present invention are as follows: (1) The present invention sets an elastic downward pressing structure and a cleaning sponge structure. When the arc-shaped extrusion plate rotates, the extrusion elastic column can be moved up and down to press the plastic particles to be cleaned at the corresponding position into the twisted cleaning channel of the cleaning sponge structure, so that the plastic particles can fully slide with the inner side of the twisted cleaning channel of the cleaning sponge structure, and the plastic particles can be fully cleaned without dead angles, and the cleaning is more thorough. Before being squeezed, the plastic particles are fully in contact with the cleaning liquid above the high-density sponge body, which facilitates the cleaning of the material later; (2) The present invention sets a cleaning discharge mechanism. After the plastic particles are cleaned, they are transferred to the plastic particle collection box through the collection bucket and the diversion pipe for centralized collection, and then the output motor is started to make the screw feeder discharge the cleaned plastic particles. After the plastic particles are cleaned, the plastic particles can be discharged without stopping, which effectively improves the cleaning efficiency of the plastic. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural diagram of a plastic particle recovery and cleaning device according to the present invention from a first perspective; Figure 2 This is a structural diagram of a plastic particle recovery and cleaning device according to the present invention from a second viewing angle; Figure 3 It is a cross-sectional view of a cleaning and discharging mechanism of a plastic particle recovery and cleaning device of the present invention; Figure 4 It is a cross-sectional view of a cleaning box of a plastic particle recovery and cleaning device of the present invention; Figure 5 It is a partial cross-sectional view of an extrusion friction cleaning device of a plastic particle recovery and cleaning device of the present invention; Figure 6 It is a cross-sectional view of an extruded elastic cylinder of a plastic particle recovery and cleaning device of the present invention; Figure 7 The present invention is a structural diagram of an arc-shaped extrusion plate of a plastic particle recovery and cleaning device.

[0024] Figure numerals: 1. Cleaning inner cylinder; 2. Cleaning motor; 3. Plastic particle adding bucket; 4. Cleaning discharge mechanism; 40. Plastic particle collecting box; 41. Conveying cylinder; 42. Screw feeder; 43. Fixed bracket; 44. Output motor; 45. Wastewater discharge pipe; 5. Fixed support; 6. Collecting bucket; 7. Fixed support plate; 8. Cleaning sponge structure; 80. High-density sponge body; 81. Twisted cleaning channel; 82. Particle bucket; 83. Extrusion elastic cylinder; 84. Extrusion elastic column; 85. Compression spring; 86. Limiting elastic plate; 9. Limiting support groove; 10. Arc extrusion plate; 11. Diversion pipe; 12. Limiting support block. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] like Figure 1-7 As shown, a plastic particle recovery and cleaning device of the present embodiment includes a cleaning inner cylinder 1 for cleaning and recycling plastic particles, and an elastic downward pressing structure for guiding and squeezing plastic particles is fixedly connected to the upper position of the inner wall of the cleaning inner cylinder 1. The elastic downward pressing structure can be used to press the soaked plastic particles to be cleaned from the particle bucket 82 into the twisted cleaning channel 81, and the elastic downward pressing structure can automatically reset when the pressure of the arc-shaped extrusion plate 10 is lost.

[0027] A fixed supporter 5 for support is fixedly connected to the outer wall of the cleaning inner cylinder 1 near the bottom, and the fixed supporter 5 can continue to fix and support the cleaning inner cylinder 1.

[0028] The elastic downward pressing structure includes a fixed support plate 7 fixedly connected to the inner wall of the cleaning inner cylinder 1, and two circles of evenly distributed extrusion elastic cylinders 83 are fixedly connected to the surface of the fixed support plate 7, and an extrusion elastic column 84 is slidably connected to the surface of the extrusion elastic cylinder 83. A limiting elastic plate 86 is arranged on the inner side of the extrusion elastic cylinder 83, and the limiting elastic plate 86 is fixedly connected to the extrusion elastic column 84. The fixed support plate 7 installs and fixes the elastic downward pressing structure. The extrusion elastic column 84 arranged in the extrusion elastic cylinder 83 is pressed downward under the action of the arc-shaped extrusion plate 10, so that the plastic particles are pressed into the corresponding particle bucket 82, so that the plastic particles slide down.

[0029] A compression spring 85 is fixedly connected between the lower surface of the limiting elastic plate 86 and the inner bottom wall of the extrusion elastic cylinder 83, and a cleaning motor 2 is fixedly connected to the middle position of the upper surface of the cleaning inner cylinder 1, the driving end of the cleaning motor 2 faces downward, and the power shaft at the driving end position is rotatably connected to the upper surface of the cleaning inner cylinder 1, and an arc-shaped extrusion plate 10 is fixedly connected to the power shaft position of the driving end of the cleaning motor 2. The bottom of the arc-shaped extrusion plate 10 is arranged in an arc shape, and the compression spring 85 can be fixedly installed by the limiting elastic plate 86. Under the action of the compression spring 85, the arc-shaped extrusion plate 10 no longer presses the extrusion elastic column 84 when the extrusion elastic column 84 rebounds and resets. The cleaning motor 2 provides power for the rotation of the arc-shaped extrusion plate 10, so that the arc-shaped extrusion plate 10 rotates, and the arc structure at the bottom of the arc-shaped extrusion plate 10 continues to press the extrusion elastic column 84. The cleaning motor 2 is a reduction motor, and the driving end of the cleaning motor 2 and the power shaft are connected by a coupling.

[0030] A limiting support groove 9 is provided on the same horizontal line as the inner wall of the cleaning inner cylinder 1 and the arc-shaped extrusion plate 10. A limiting support block 12 is fixedly connected to the side wall of the arc-shaped extrusion plate 10. The limiting support block 12 is slidably connected to the limiting support groove 9 at the corresponding position. The limiting support groove 9 cooperates with the limiting support block 12 to support the arc-shaped extrusion plate 10, thereby preventing the arc-shaped extrusion plate 10 from causing damage to the power shaft at the cleaning motor 2.

[0031] The inner wall of the cleaning inner cylinder 1 is fixedly connected with a cleaning sponge structure 8 that increases the cleaning area and cleaning friction. The elastic downward pressing structure can be pressed into the plastic particles in the high-density sponge body 80 through the cleaning sponge structure 8 for friction cleaning in the twisted cleaning channel 81, so that the plastic particles can continue to be cleaned thoroughly without dead ends.

[0032] The cleaning sponge structure 8 includes a high-density sponge body 80 fixedly connected to the middle of the inner wall of the cleaning inner cylinder 1, and a plurality of conical particle buckets 82 are provided on the surface of the high-density sponge body 80, and the plurality of particle buckets 82 are located directly below the corresponding extrusion elastic columns 84. A curved twisted cleaning channel 81 is provided on the inner side of the high-density sponge body 80 directly below the corresponding particle buckets 82, and the twisted cleaning channel 81 runs through the bottom of the high-density sponge body 80. The high-density sponge body 80 can ensure a good shape and is relatively soft. At the same time, a curved twisted cleaning channel 81 is provided inside the high-density sponge body 80, so that the plastic particles can be cleaned without dead angle friction during the sliding process, and the particle bucket 82 is conically arranged, which is convenient for the centralized collection of plastic particles, and the particle bucket 82 is located directly below the corresponding extrusion elastic column 84, so that the plastic can be pressed into the corresponding twisted cleaning channel 81.

[0033] A plastic particle adding bucket 3 is fixedly connected to the upper position of the outer wall of the cleaning inner cylinder 1, and a collecting bucket 6 is fixedly connected to the inner wall of the cleaning inner cylinder 1 below the cleaning sponge structure 8, and the inner side of the collecting bucket 6 is set in an inverted cone shape, and a guide pipe 11 is fixedly connected between the bottom of the collecting bucket 6 and the center position of the bottom of the cleaning inner cylinder 1, and the guide pipe 11 extends to the cleaning discharge mechanism 4, and the plastic particles and cleaning liquid to be cleaned can be added to the cleaning inner cylinder 1 through the plastic particle adding bucket 3, and the liquid level of the cleaning liquid is located below the extrusion elastic cylinder 83 and at the high-density sea The upper position of the sponge body 80 can prevent the cleaning liquid from overflowing and make the plastic particles fully contact with the cleaning liquid. The collecting bucket 6 can concentrate the cleaned plastic particles at the bottom of the cone, and guide the cleaned plastic particles into the plastic particle collecting box 40 through the guide pipe 11, which is convenient for centralized collection. A fixing frame is provided on the top of the plastic particle adding bucket 3 and the cleaning inner cylinder 1. This fixing frame can bear the weight of the plastic particle adding bucket 3 to avoid the bend of the plastic particle adding bucket 3 from breaking due to the heavy weight when the plastic particles and cleaning liquid are added into the plastic particle adding bucket 3.

[0034] A cleaning discharge mechanism 4 for discharging the cleaned plastic particles is fixedly connected to the bottom of the cleaning inner cylinder 1. The cleaning discharge mechanism 4 can discharge the cleaned plastic particles. The whole process does not require shutdown, thereby improving the cleaning efficiency of the plastic particles.

[0035] The cleaning and discharging mechanism 4 includes a plastic particle collecting box 40 fixedly connected to the bottom of the cleaning inner cylinder 1. A wastewater discharge pipe 45 is fixedly connected to any side of the plastic particle collecting box 40. A valve is provided on the outer wall of the wastewater discharge pipe 45. The plastic particle collecting box 40 collects the plastic particles after cleaning, and it is convenient to send the plastic particles out through the screw feeder 42. After the valve at the wastewater discharge pipe 45 is opened, the cleaning liquid after cleaning can be discharged and the cleaning liquid can be replaced.

[0036] A conveying cylinder 41 is fixedly connected to the side wall of the plastic particle collection box 40 and penetrates obliquely upward. The height of the top of the conveying cylinder 41 is higher than the height of the arc-shaped extrusion plate 10. A screw feeder 42 is arranged on the inner side of the conveying cylinder 41. The rotating shaft of the screw feeder 42 penetrates and is rotatably connected to the bottom of the plastic particle collection box 40. An output motor 44 is fixedly connected to the bottom of the plastic particle collection box 40 through a fixed bracket 43, and the driving end of the output motor 44 is fixedly connected to the rotating shaft of the screw feeder 42. The conveying cylinder 41 provides a channel for the plastic particles after cleaning to be discharged, and the height of the top of the conveying cylinder 41 is higher than the height of the arc-shaped extrusion plate 10 to avoid overflow of the cleaning liquid under the action of the communicating vessel principle. The screw feeder 42 can convey the plastic particles stored in the plastic particle collection box 40. The output motor 44 provides power for the rotation of the screw feeder 42. The output motor 44 is a reduction motor, and the driving end of the output motor 44 is connected to the screw feeder 42 through a coupling.

[0037] The working principle of this embodiment is as follows: cleaning liquid is added into the cleaning inner cylinder 1 through the plastic particle adding bucket 3, so that the cleaning liquid overflows the upper position of the high-density sponge body 80, and the pressure surface of the cleaning liquid is lower than the lower surface of the fixed support plate 7, and the crushed plastic particles are poured into the plastic particle adding bucket 3, so that the plastic particles slide into the cleaning inner cylinder 1 through the plastic particle adding bucket 3, and the bottom plastic particles slide into the particle bucket 82, so that the crushed plastic particles to be cleaned are immersed in the cleaning liquid for a period of time, and then the cleaning motor 2 and the output motor 44 are started; The started cleaning motor 2 causes the power shaft to rotate, driving the arc-shaped extrusion plate 10 to rotate. The bottom of the arc-shaped extrusion plate 10 is arranged in an arc shape. When the arc-shaped extrusion plate 10 rotates, the bottom of the arc-shaped extrusion plate 10 presses the extrusion elastic column 84, causing the extrusion elastic column 84 to slide downward. During this process, the compression spring 85 is compressed to store energy, and the extrusion elastic column 84 presses the plastic particles at the position of the particle bucket 82 into the twisted cleaning channel 81. When the plastic particles are pressed into the twisted cleaning channel 81, the plastic particles slide out of the twisted cleaning channel 81 under the action of the extrusion force, so that the plastic particles fully rub against the inner wall of the twisted cleaning channel 81, so that the plastic particles can be cleaned without dead angles, and the cleaning can be thorough and clean; When the arc-shaped extrusion plate 10 loses the pressure on the extrusion elastic column 84 at the corresponding position, under the action of the compression spring 85, the extrusion elastic column 84 rebounds to release energy, so that the extrusion elastic column 84 is reset and waits for the next pressing. A limit support groove 9 is provided on the inner side of the cleaning inner drum 1. The limit support groove 9 and the limit support block 12 can assist in supporting the arc-shaped extrusion plate 10, which can effectively avoid the uneven force applied by the arc-shaped extrusion plate 10 to the power shaft, causing damage to the cleaning motor 2 or the power shaft. After the plastic particles are cleaned, they slide out of the twisted cleaning channel 81 and are collected at the bottom of the conical groove of the collecting bucket 6. The cleaned plastic particles slide into the plastic particle collecting box 40 through the guide pipe 11. After the output motor 44 is started, the output motor 44 drives the screw feeder 42 to rotate. The cleaned plastic particles can be conveyed out of the device through the conveying cylinder 41 through the screw feeder 42. When the plastic particles are discharged, the device does not need to be shut down, which effectively improves the cleaning efficiency of the plastic particles. After the service life of the cleaning liquid ends, the valve at the wastewater discharge pipe 45 can be opened to discharge the cleaning liquid through the wastewater discharge pipe 45. After the cleaning liquid is discharged, the valve at the wastewater discharge pipe 45 is closed, and new cleaning liquid is added to the cleaning inner tube 1 through the plastic particle adding bucket 3.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A plastic particle recovery and cleaning device, comprising a cleaning inner cylinder (1) for cleaning the recovered plastic particles, characterized in that: An elastic downward pressing structure for guiding and extruding plastic particles is fixedly connected to the upper portion of the inner wall of the cleaning inner cylinder (1); A cleaning sponge structure (8) is fixedly connected to the inner wall of the cleaning inner cylinder (1) below the elastic downward pressing structure to increase the cleaning area and cleaning friction; A cleaning discharge mechanism (4) for discharging cleaned plastic particles is fixedly connected to the bottom of the cleaning inner cylinder (1).

2. A plastic particle recovery and cleaning device according to claim 1, characterized in that: The elastic downward pressing structure comprises a fixed support plate (7) fixedly connected to the inner wall of the cleaning inner cylinder (1); two circles of evenly distributed extrusion elastic cylinders (83) are fixedly connected and penetrated through the surface of the fixed support plate (7); extrusion elastic columns (84) are slidably connected and penetrated through the surface of the extrusion elastic cylinder (83); a limiting elastic plate (86) is arranged inside the extrusion elastic cylinder (83); and the limiting elastic plate (86) is fixedly connected and penetrated with the extrusion elastic column (84).

3. A plastic particle recovery and cleaning device according to claim 2, characterized in that: A compression spring (85) is fixedly connected between the lower surface of the limiting elastic plate (86) and the inner bottom wall of the extrusion elastic cylinder (83); a cleaning motor (2) is fixedly connected to the middle of the upper surface of the cleaning inner cylinder (1); the driving end of the cleaning motor (2) faces downward, and the power shaft at the driving end penetrates and is rotatably connected to the upper surface of the cleaning inner cylinder (1); an arc-shaped extrusion plate (10) is fixedly connected to the power shaft at the driving end of the cleaning motor (2); and the bottom of the arc-shaped extrusion plate (10) is arranged in an arc shape.

4. The plastic particle recovery and cleaning device according to claim 1, characterized in that: A fixed supporter (5) for supporting is fixedly connected to the outer wall of the cleaning inner cylinder (1) near the bottom.

5. The plastic particle recovery and cleaning device according to claim 1, characterized in that: The cleaning sponge structure (8) comprises a high-density sponge body (80) fixedly connected to the middle of the inner wall of the cleaning inner cylinder (1); a plurality of conical particle hoppers (82) are provided on the surface of the high-density sponge body (80); the plurality of particle hoppers (82) are located directly below corresponding extruded elastic columns (84); a curved twisted cleaning channel (81) is provided on the inner side of the high-density sponge body (80) directly below the corresponding particle hoppers (82); and the twisted cleaning channel (81) runs through the bottom of the high-density sponge body (80).

6. The plastic particle recovery and cleaning device according to claim 1, characterized in that: A plastic particle adding bucket (3) is fixedly connected to and penetrates the upper portion of the outer wall of the cleaning inner cylinder (1); a collecting bucket (6) is fixedly connected to the inner wall of the cleaning inner cylinder (1) below the cleaning sponge structure (8); and the inner side of the collecting bucket (6) is arranged in an inverted cone shape; a guide pipe (11) is fixedly connected to and penetrates between the bottom of the collecting bucket (6) and the center of the bottom of the cleaning inner cylinder (1), and the guide pipe (11) extends into the cleaning discharge mechanism (4).

7. The plastic particle recovery and cleaning device according to claim 1, characterized in that: The cleaning discharge mechanism (4) comprises a plastic particle collection box (40) fixedly connected to the bottom of the cleaning inner cylinder (1), a wastewater discharge pipe (45) is fixedly connected through any side of the plastic particle collection box (40), and a valve is provided at the outer wall of the wastewater discharge pipe (45).

8. The plastic particle recovery and cleaning device according to claim 7, characterized in that: A conveying cylinder (41) is fixedly connected to and penetrates the side wall of the plastic particle collection box (40) obliquely upwards, the top of the conveying cylinder (41) is higher than the height of the arc-shaped extrusion plate (10), a screw feeder (42) is arranged inside the conveying cylinder (41), the rotating shaft of the screw feeder (42) is rotatably connected to the bottom of the plastic particle collection box (40), the bottom of the plastic particle collection box (40) is fixedly connected to an output motor (44) via a fixed bracket (43), and the driving end of the output motor (44) is fixedly connected to the rotating shaft of the screw feeder (42).

9. The plastic particle recovery and cleaning device according to claim 3, characterized in that: The inner wall of the cleaning inner cylinder (1) is provided with a limit support groove (9) at the same horizontal position as the arc-shaped extrusion plate (10); the side wall of the arc-shaped extrusion plate (10) is fixedly connected with a limit support block (12); and the limit support block (12) is slidably connected with the limit support groove (9) at a corresponding position.

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