Drum-type cleaning equipment for regenerated plastic particle raw materials for plastic tape

Abstract

The invention discloses drum-type cleaning equipment for regenerated plastic particle raw materials for plastic tapes, and belongs to the technical field of drum-type cleaning machines. Comprising a cleaning cylinder assembly rotationally mounted in a shell frame; the driving part is in transmission connection with the cleaning cylinder assembly; the cleaning cylinder assembly comprises a first cleaning cylinder and a second cleaning cylinder which are coaxially arranged from left to right; a spraying pipe is fixedly arranged on the shell frame; the separating assembly comprises a first ring shell and a second ring shell which are arranged in the first cleaning cylinder, a plurality of nested rings which are nested with one another are arranged between the first ring shell and the second ring shell, and separating rods which are distributed in the circumferential direction are fixedly connected to the inner sides of the nested rings. The drum-type cleaning equipment has the beneficial effects that the drum-type cleaning equipment for the regenerated plastic particle raw materials for the plastic tape is provided, through the arrangement of the first ring shell and the second ring shell, agglomerated particles are lifted by the separation rod through rotation, so that the agglomerated particles fall into the return groove, then rolling cleaning is started again, and insufficient cleaning is avoided.

Description

Technical Field

[0001] This application relates to the field of drum washing machine technology, and more specifically, to a drum washing device for plastic belts using recycled plastic granules. Background Technology

[0002] Recycled plastic pellets are granular plastic raw materials made from recycled virgin material scraps or waste plastics through screw mill processing and pelletizing. They belong to one of the subcategories of plastic pellets. Their raw materials include industrial waste and household plastic waste. Waste plastic cleaning is an industrial process that removes impurities such as oil and sand from the surface of plastics using physical or chemical methods, with the aim of improving the purity and processing performance of recycled materials. This process mainly employs mechanical friction cleaning and traditional water washing. Mechanical cleaning achieves efficient cleaning using equipment such as nylon brushes, while water washing relies on agitation or cleaning agents. Currently, it is generally done using a drum-type washing machine. However, due to the tendency of plastic granules to clump together after long-term storage, these clumps cannot be thoroughly cleaned in the drum washing machine. Therefore, the material needs to be crushed, as shown in the patent document with announcement number CN119281761B. However, recycled plastic granules have low strength, and crushing them can easily cause the granules themselves to break, affecting subsequent use. At the same time, it is difficult to maintain a consistent size for recycled plastic granules, requiring them to be separated according to size. However, current screening devices are unable to distinguish between smaller clumps and larger granules, causing smaller clumps to easily mix with larger granules, resulting in problems in subsequent processing.

[0003] Therefore, a drum-type washing device for plastic belts using recycled plastic pellets is needed to solve the above problems. Summary of the Invention

[0004] The summary section of this application is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description section below. This summary section is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.

[0005] To address the technical problems mentioned in the background section, some embodiments of this application provide a drum-type washing device for recycled plastic granules in plastic belts, comprising: a housing frame; a washing drum assembly rotatably mounted within the housing frame, the washing drum assembly having an inclined axis; and a drive unit fixedly mounted on the housing frame and drivenly connected to the washing drum assembly. The washing drum assembly includes a first washing drum and a second washing drum coaxially arranged from left to right, both the second washing drum and the first washing drum having through holes arranged in an array, the second washing drum having a larger diameter than the first washing drum, and the second washing drum being located on a lower side. The drive unit drives... The first and second cleaning cylinders rotate. The first cleaning cylinder has a feed inlet at the end furthest from the second cleaning cylinder, and the second cleaning cylinder has a discharge outlet at the end furthest from the first cleaning cylinder. A spray pipe is fixedly installed on the outer frame, penetrating the cleaning cylinder assembly. A nozzle is installed on the portion of the spray pipe inside the first cleaning cylinder. A water tank and a first water pump connected to the water tank are mounted on the outer frame. The outlet push rod pipe of the first water pump is connected to the cleaning cylinder assembly. A wastewater tank is located below the first cleaning cylinder on the outer frame. A soaking basin is installed below the second cleaning cylinder on the outer frame, with part of the second cleaning cylinder located in the soaking basin. Inside the basin, a second water pump connected to a water tank is mounted on the outer casing. The outlet of the second water pump is connected to a fixed ring frame via a pipe. A separation assembly is located inside the first cleaning cylinder, near the second cleaning cylinder, to separate particles of different sizes within the first cleaning cylinder. The separation assembly includes a first ring shell and a second ring shell disposed within the first cleaning cylinder. A rotating platform is fixedly connected to the second ring shell, and the rotating platform rotatably engages with the inner wall of the first cleaning cylinder. The first and second ring shells are sleeved and slidably engaged, rotating synchronously. A coaxially arranged pusher is fixedly mounted at one end of the first ring shell, which pushes... The movement of the first ring shell shortens the overall length of the first and second ring shells. Multiple nested rings are arranged between the first and second ring shells. Circumferentially distributed separation rods are fixedly connected to the inner side of the nested rings. A first spring is connected between two adjacent nested rings, and the first spring abuts against the two nested rings respectively. A fixed ring frame is fixedly arranged inside the outer frame, and a return groove is fixedly connected to the fixed ring frame. The return groove is inclined and the inclination direction is opposite to that of the washing cylinder assembly. By rotating the first and second ring shells inside the first washing cylinder, the separation rods lift the particles above the return groove and cause them to fall into the return groove.

[0006] Furthermore, a rotating shaft is rotatably mounted on the outer casing frame, the rotating shaft passing through the cleaning cylinder assembly. A stirring component located at the separation component position and an agitating blade located on the left side of the stirring component inside the first cleaning cylinder are mounted on the rotating shaft. The stirring component includes: multiple nested cylinders sleeved on the rotating shaft, the rightmost nested cylinder being fixedly engaged with the rotating shaft, the remaining nested cylinders being nested within each other and slidingly engaged with the rotating shaft, a spring connecting two adjacent nested cylinders, a pushing sleeve being slidably mounted on the rotating shaft, the pushing sleeve compressing the leftmost nested cylinder to shorten the distance between the leftmost and rightmost nested cylinders, and multiple circumferentially distributed stirring rods being fixedly mounted on the nested cylinders.

[0007] Furthermore, a sliding ring is slidably arranged inside the fixed ring frame, and a driven ring abuts against one side of the sliding ring. Multiple fixed rods are fixedly connected to the driven ring, with one end of the fixed rods fixedly connected to the push platform and one end of the push sleeve fixedly installed on the sliding ring. Two second push rods are fixedly arranged symmetrically on the outside of the fixed ring frame. One end of the telescopic rod of the second push rod is fixedly connected to a connecting rod that is fixedly connected to the sliding ring. A slot is provided on the side wall of the fixed ring frame for the connecting rod to pass through.

[0008] Furthermore, an external gear ring is fixedly installed on the outer wall of the first cleaning cylinder, and a drive wheel is fixedly installed at the output end of the drive component. The fixed external gear ring meshes with the drive wheel, and the drive component outputs power to drive the first cleaning cylinder to rotate. A fixed ring frame is located between the first cleaning cylinder and the second cleaning cylinder, and a mounting base is fixedly installed on the fixed ring frame. A transmission shaft is rotatably installed on the mounting base. An external gear ring is fixedly connected to the outer wall of the first cleaning cylinder, and an internal gear ring is fixedly connected to the second cleaning cylinder. A meshing wheel that meshes with the external gear ring is fixedly connected to the transmission shaft, and a transmission wheel that meshes with the internal gear ring is also fixedly connected to the transmission shaft. When the first cleaning cylinder rotates, it will drive the second cleaning cylinder to rotate synchronously.

[0009] Furthermore, a movable ring sleeve is provided between the fixed ring frame and the first cleaning cylinder. The movable ring sleeve is rotatably engaged with the fixed ring frame and the first cleaning cylinder. A limiting sleeve fitted on the fixed rod is fixedly provided on the movable ring sleeve. A separation component is provided between the movable ring sleeve, the fixed ring frame, and the first cleaning cylinder. The separation component includes two limiting blocks rotatably disposed on the movable ring sleeve. One limiting block is located near the fixed ring frame, and the two limiting blocks are located near the first cleaning cylinder. A first push rod is fixedly disposed on the fixed ring frame. A slotted ring is fixedly connected to the telescopic rod end of the first push rod. A mating ring is rotatably disposed on the slotted ring. A rack passing through the movable ring sleeve is fixedly connected to the mating ring. A toothed pattern that meshes with the rack is provided at one end of the limiting block. The rack movement drives the two limiting blocks to deflect. A limiting platform that engages with the transmission wheel is provided on both the fixed ring frame and the first cleaning cylinder.

[0010] Furthermore, a scrubbing assembly is provided inside the second cleaning drum. The scrubbing assembly cleans the particles entering the second cleaning drum by rubbing them against the inner wall of the second cleaning drum. The scrubbing assembly includes: Two hinged sleeves and multiple soaking brushes circumferentially distributed around the axis of rotation are installed on the first cleaning cylinder. The soaking brushes agitate the particles and cooperate with the inner wall of the second cleaning cylinder to perform friction cleaning on the particles. The left hinged sleeve is slidably mounted on the axis of rotation, and the right hinged sleeve is fixed to the fixed ring frame by a support frame. Multiple hinged rods are hinged on both hinged sleeves and distributed circumferentially. The two ends of the soaking brush are respectively hinged to one end of the corresponding hinged rod on the two hinged sleeves.

[0011] Furthermore, a slotted platform coaxially arranged with the push sleeve is fixedly provided on the sliding ring. A sliding groove is provided on the slotted platform. An embedded ring is rotatably arranged in the sliding groove. Multiple circumferentially distributed synchronizing rods are fixedly connected to the embedded ring. The synchronizing rods pass through the right hinged sleeve, and one end of the synchronizing rod is fixedly connected to the left hinged sleeve.

[0012] Furthermore, both the second and first cleaning cylinders have through holes arranged in an array. The diameter of the second cleaning cylinder is larger than that of the first cleaning cylinder. The second cleaning cylinder is located on the lower side. A fixed brush plate for cleaning the inner wall of the first cleaning cylinder is fixedly connected to the rotating platform. The part of the spray pipe inside the first cleaning cylinder is equipped with a spray head. A water tank and a first water pump connected to the water tank are set on the outer frame. The water outlet push rod pipe of the first water pump is connected to the cleaning cylinder assembly. A soaking basin located below the second cleaning cylinder is installed on the outer frame. The second cleaning cylinder is partially located in the soaking basin. A second water pump connected to the water tank is installed on the outer frame. The water outlet of the second water pump is connected to the fixed ring frame through a pipe. A wastewater tank located below the first cleaning cylinder is set on the outer frame. The end of the first cleaning cylinder away from the second cleaning cylinder has a feed inlet, and the end of the second cleaning cylinder away from the first cleaning cylinder has a discharge outlet.

[0013] The beneficial effects of this application are as follows: 1. Through the design of the first and second annular shells, as the first washing drum rotates, the separating rods lift particles larger than the distance between them, while smaller particles continue to roll and be washed at the bottom of the first washing drum. When lifted above the return trough, the particles fall into it. Due to the inclined design of the return trough, the particles roll to the right and then begin rolling and washing again, ensuring thorough dispersion of any clumps. By adjusting the distance between the first and second annular shells, the spacing between the separating rods can be adjusted, thus adapting to materials of different sizes.

[0014] 2. Through the set movable ring sleeve, when the movable ring sleeve rotates synchronously with the first cleaning cylinder, it drives the push platform to rotate under the action of the fixed rod, thereby causing the first ring shell and the second ring shell to rotate synchronously with the first cleaning cylinder. When the movable ring sleeve does not rotate with the first cleaning cylinder, it is fixed relative to the fixed ring frame, thereby causing the first ring shell, the second ring shell, and the rotating platform to stop moving, and the inner wall of the first cleaning cylinder is cleaned by the fixed brush plate.

[0015] 3. The soaking brush agitates the particles and works in conjunction with the inner wall of the second cleaning cylinder to rub and clean them. Meanwhile, as larger particles continue to fall into the second cleaning cylinder, the two hinged sleeves move away from each other, thereby increasing the distance between the soaking brush and the inner wall of the second cleaning cylinder. This prevents excessive pressure from causing larger plastic particles to break. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application.

[0017] Furthermore, throughout the accompanying drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and the elements are not necessarily drawn to scale.

[0018] In the attached diagram: Figure 1 This is an overall schematic diagram according to one embodiment of the present application; Figure 2 yes Figure 1 A cross-sectional view of the outer frame in the embodiment; Figure 3 yes Figure 2 A magnified view of a section at point A in the middle; Figure 4 yes Figure 1 Cross-sectional schematic diagram of the embodiment; Figure 5 yes Figure 4 A magnified view of a section at point B in the middle; Figure 6 yes Figure 1 The embodiment is shown in the installation diagram of the return slot; Figure 7 yes Figure 6 A magnified view of a section at point C; Figure 8 yes Figure 1 The installation diagram of the fixed brush plate in the embodiment is shown below; Figure 9 yes Figure 1 A schematic diagram of the nested ring in the embodiment; Figure 10 yes Figure 1 The embodiment is shown in the schematic diagram of the sliding ring installation. Figure 11 yes Figure 1 A schematic diagram of the nested tube structure in the embodiment; Figure 12 yes Figure 1 A schematic diagram of the installation of the second push rod in the embodiment described above; Figure 13 yes Figure 1 The following is a schematic diagram of the installation of the driven ring in the embodiment; Figure 14 yes Figure 1 The installation diagram of the hinged sleeve in the embodiment is shown below; Figure 15 yes Figure 14 A magnified view of a section at point D; Figure 16 yes Figure 1 The schematic diagram of the limiting block in the embodiment is shown. Figure Labels

[0019] 10. Outer casing; 11. Cleaning cylinder assembly; 12. Drive unit; 13. First water pump; 14. Second water pump; 15. Wastewater tank; 16. Drive wheel; 17. Fixed external gear ring; 18. First cleaning cylinder; 19. Second cleaning cylinder; 20. Soaking basin; 21. Fixed ring frame; 22. Mounting base; 23. Meshing wheel; 24. External gear ring; 25. Internal gear ring; 26. Transmission wheel; 27. Brushing assembly; 28. Rotating shaft; 29. ​​Agitator blades; 30. Separation assembly; 31. Movable ring sleeve; 32. First push rod; 33. Grooved ring; 34. Mating ring; 35. Rack; 36. Limiting block; 37. Limiting platform; 38. 39. Fixed rod; 40. First ring shell; 41. Second ring shell; 42. Rotating table; 43. Pushing table; 44. Nested ring; 45. Separating rod; 46. First spring; 47. Nested cylinder; 48. Stirring assembly; 49. Spring; 50. Stirring rod; 51. Pushing sleeve; 52. Sliding ring; 53. Driven ring; 54. Second push rod; 55. Connecting rod; 56. Hinge sleeve; 57. Grooving table; 58. Sliding groove; 59. Embedded ring; 60. Synchronizing rod; 61. Fixed brush plate; 62. Return groove; 63. Spray pipe; 64. Hinge rod; 65. Fixed plate; 66. Soaking brush; 67. Limiting sleeve; 68. Support frame. Detailed Implementation

[0020] Embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings. While some embodiments of this disclosure are shown in the drawings, it should be understood that this disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this disclosure. It should be understood that the accompanying drawings and embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of protection of this disclosure.

[0021] It should also be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings. Unless otherwise specified, the embodiments and features described in this disclosure can be combined with each other.

[0022] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are used only to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependencies.

[0023] It should be noted that the terms "a" and "a plurality of" used in this disclosure are illustrative rather than restrictive, and those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0024] This disclosure will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] Reference Figures 1-16A drum-type washing device for recycled plastic granules in plastic bags includes: a housing frame 10, a washing drum assembly 11, a drive unit 12, a second water pump 14, and a wastewater tank 15. The washing drum assembly 11 is rotatably mounted inside the housing frame 10, and its axis is inclined. The specific structural arrangement can be referenced from existing products. The washing drum assembly 11 includes a first washing drum 18 and a second washing drum 19 arranged coaxially from left to right. Both the second washing drum 19 and the first washing drum 18 have through holes arranged in an array. The diameter of the second washing drum 19 is larger than that of the first washing drum 18, and the second washing drum 19 is located on the lower side. The drive unit 12 drives the first washing drum 18 and the second washing drum 19 to rotate. The end of the first washing drum 18 away from the second washing drum 19 has a feed inlet, and the end of the second washing drum 19 away from the first washing drum 18 has a discharge outlet. Plastic granules are fed into the first cleaning cylinder 18 from one end, and then sequentially undergo rolling cleaning in the first cleaning cylinder 18 and soaking cleaning in the second cleaning cylinder 19. After cleaning, the granules are removed from the second cleaning cylinder 19. A spray pipe 62 is fixedly installed on the outer frame 10, passing through the cleaning cylinder assembly 11. The portion of the spray pipe 62 inside the first cleaning cylinder 18 is equipped with a nozzle. A water tank and a first water pump 13 connected to the water tank are provided on the outer frame 10. The outlet push rod pipe of the first water pump 13 is connected to the cleaning cylinder assembly 11. During cleaning, the plastic granules roll and are cleaned inside the first cleaning cylinder 18. Water is sprayed through the nozzle of the spray pipe 62, which, in conjunction with the rolling of the first cleaning cylinder 18, ensures thorough cleaning. A wastewater tank 15 is provided on the outer frame 10 below the first cleaning cylinder 18, and the water sprayed from the spray pipe 62 is collected in the wastewater tank 15. A soaking basin 20 is mounted on the outer casing 10, located below the second cleaning cylinder 19. Part of the second cleaning cylinder 19 is situated within the soaking basin 20. A second water pump 14, connected to a water tank, is mounted on the outer casing 10. The outlet of the second water pump 14 is connected to a fixed ring frame 21 via a pipe. When the plastic particles move from the first cleaning cylinder 18 into the second cleaning cylinder 19, the soaking basin 20 contains water and submerges the plastic particles, ensuring thorough cleaning. A drive unit 12, which can be a motor, is fixedly mounted on the outer casing 10.

[0026] In one embodiment, during the rolling cleaning process within the first cleaning cylinder 18, some agglomerated particles disperse, but firmly adhered particles are not completely dispersed in a single rolling cleaning cycle, resulting in insufficient cleaning. Therefore, a separation component 30 is provided on the side of the first cleaning cylinder 18 near the second cleaning cylinder 19. The separation component 30 separates particles of different sizes within the first cleaning cylinder 18. The separation component 30 includes a first annular shell 39 and a second annular shell 40 disposed within the first cleaning cylinder 18. The second annular shell 40 is fixedly connected to a rotating platform 41, which rotatably engages with the inner wall of the first cleaning cylinder 18. The first annular shell 39 and the second annular shell 40 are sleeved and slidably engaged, rotating synchronously. A coaxially arranged pusher platform 42 is fixedly disposed at one end of the first annular shell 39, which pushes the first annular shell 39 to move, causing the overall length of the first annular shell 39 and the second annular shell 40 to shorten. Multiple nested rings 43 are arranged between the first annular shell 39 and the second annular shell 40. A circumferentially distributed separating rod 44 is fixedly connected to the inner side of each nested ring 43. A first spring 45 is connected between adjacent nested rings 43, and the first spring 45 abuts against each of the two nested rings 43. A fixing ring frame 21 is fixedly arranged inside the outer shell frame 10. A return groove 61 is fixedly connected to the fixing ring frame 21. The return groove 61 is inclined, and its inclination direction is opposite to that of the washing cylinder assembly 11. The rotation of the first annular shell 39 and the second annular shell 40 within the first washing cylinder 18 causes the separating rod 44 to lift the particles above the return groove 61 and drop them into the return groove 61. It should be noted that the spring constants of the multiple first springs 45 are consistent, ensuring that the lengths of the multiple first springs 45 remain consistent when the first annular shell 39 and the second annular shell 40 approach each other. Understandably, when the first annular shell 39 and the second annular shell 40 are far apart, the spacing between the left and right separating rods 44 is larger. As the first annular shell 39 and the second annular shell 40 gradually approach each other, the spacing between the left and right separating rods 44 gradually decreases. When the first annular shell 39 and the second annular shell 40 rotate with the first washing cylinder 18, the separating rods 44 lift particles larger than the spacing between the separating rods 44, while smaller particles continue to roll and be washed at the bottom of the first washing cylinder 18. When the particles are lifted above the return trough 61, they fall into the return trough 61. Due to the inclined setting of the return trough 61, the particles roll to the right and then begin rolling and washing again, thus fully dispersing any clumps of particles. By adjusting the distance between the first annular shell 39 and the second annular shell 40, the spacing between the separating rods 44 can be adjusted, thereby adapting to particles of different sizes.

[0027] In one embodiment, a rotating shaft 28 is rotatably mounted on the outer casing 10, with the rotation direction of the rotating shaft 28 opposite to that of the first cleaning cylinder 18. A motor driving the rotating shaft 28 is fixed on the outer casing 10. The rotating shaft 28 passes through the cleaning cylinder assembly 11, and a stirring assembly 47 located at the separation assembly 30 position is mounted on the rotating shaft 28, along with stirring blades 29 located to the left of the stirring assembly 47 within the first cleaning cylinder 18. The stirring assembly 47 includes multiple nested cylinders 46 sleeved on the rotating shaft 28. The rightmost nested cylinder 46 is fixedly engaged with the rotating shaft 28, while the remaining nested cylinders 46 are nested within each other and slidably engaged with the rotating shaft 28. A spring 48 connects adjacent nested cylinders 46. A push sleeve 50 is slidably mounted on the rotating shaft 28, which shortens the distance between the leftmost and rightmost nested cylinders 46 by pressing the leftmost nested cylinder 46. Multiple circumferentially distributed stirring rods 49 are fixedly mounted on the nested cylinders 46. It should be noted that the spring constants of the multiple springs 48 are consistent. Furthermore, the stiffness coefficient of the first spring 45 is greater than that of the spring 48. This ensures that when the leftmost nested cylinder 46 and the rightmost nested cylinder 46 approach each other, the lengths of the multiple springs 48 remain consistent, resulting in equal spacing between the left and right distributed stirring rods 49. Simultaneously, the stirring rods 49 and the separating rods 44 are spaced apart. When the spacing of the separating rods 44 is adjusted, causing a change in their position, the position of the stirring rods 49 also changes, maintaining this spacing to prevent damage from contact. It is easy to understand that when the plastic granules roll at the bottom of the first cleaning cylinder 18, the stirring rods 49 rotate, tumbling and lifting the granules to ensure a cleaning effect. At the same time, the cooperation between the stirring rods 49 and the separating rods 44 breaks up clumps of granules. Furthermore, it prevents granules from getting stuck between the stirring rods 49 and the separating rods 44, or from being firmly clumped together, thus avoiding the risk of broken plastic granules affecting subsequent processing. It is easy to understand that when the resistance is high, the large stiffness coefficient of the first spring 45 will cause the spring 48 to deform, and the stirring rod 49 will avoid it, ceasing to forcibly crush the particles. Larger clumps of particles will continue to move and be lifted by the separating rod 44 after passing through the stirring rod 49. It should be noted that both the first spring 45 and the spring 48 are in a compressed state.

[0028] In one embodiment, a sliding ring 51 is slidably disposed on the inner side of the fixed ring frame 21, and a driven ring 52 abuts against one side of the sliding ring 51. A plurality of evenly distributed fixed rods 38 are fixedly connected to the driven ring 52, with one end of each fixed rod 38 fixedly connected to the pusher platform 42. One end of the pusher sleeve 50 is fixedly mounted on the sliding ring 51, and two symmetrically distributed second push rods 53 are fixedly disposed on the outer side of the fixed ring frame 21. One end of the telescopic rod of the second push rod 53 is fixedly connected to a connecting rod 54 fixedly connected to the sliding ring 51. A slot is provided on the side wall of the fixed ring frame 21 for the connecting rod 54 to pass through. It is easy to understand that when one end of the telescopic rod of the second push rod 53 moves, it will drive the sliding ring 51 to move to the right through the connecting rod 54. This, in turn, causes the sliding ring 51 to push the driven ring 52 to move, which in turn drives the pusher platform 42 to move through the fixed rods 38. Simultaneously, the movement of the sliding ring 51 will cause the pusher sleeve 50 to move, thereby reducing the distance between the separating rods 44 and the stirring rods 49. When the spacing of the separation rods 44 is adjusted, causing the position of the separation rods 44 to change, the position of the stirring rod 49 also changes.

[0029] In one embodiment, the power output end of the drive member 12 is fixedly connected to the drive wheel 16, and an external gear ring 17 is fixedly provided on the outer wall of the first cleaning cylinder 18. The fixed external gear ring 17 meshes with the drive wheel 16. The drive member 12 outputs power to drive the first cleaning cylinder 18 to rotate. The fixed ring frame 21 is located between the first cleaning cylinder 18 and the second cleaning cylinder 19. A mounting base 22 is fixedly provided on the fixed ring frame 21, and a transmission shaft is rotatably provided on the mounting base 22. An external gear ring 24 is fixedly connected to the outer wall of the first cleaning cylinder 18, and an internal gear ring 25 is fixedly connected to the second cleaning cylinder 19. A meshing wheel 23 that meshes with the external gear ring 24 is fixedly connected to the transmission shaft, and a transmission wheel 26 that meshes with the internal gear ring 25 is also fixedly connected to the transmission shaft. When the first cleaning cylinder 18 rotates, it will drive the second cleaning cylinder 19 to rotate synchronously.

[0030] In the above embodiment, one end of the fixed ring frame 21 is rotatably sealed to the second cleaning cylinder 19. A movable ring sleeve 31 is provided between the fixed ring frame 21 and the first cleaning cylinder 18. The movable ring sleeve 31 is rotatably sealed to the fixed ring frame 21 and to the first cleaning cylinder 18. A limiting sleeve 66 is fixedly provided on the movable ring sleeve 31 and sleeved on the fixed rod 38. A separation component is provided between the movable ring sleeve 31, the fixed ring frame 21, and the first cleaning cylinder 18. The separation assembly includes two limiting blocks 36 rotatably mounted on the movable ring sleeve 31. One limiting block 36 is located near the fixed ring frame 21, and the two limiting blocks 36 are located near the first cleaning cylinder 18. A first push rod 32 is fixedly mounted on the fixed ring frame 21. A slotted ring 33 is fixedly connected to the telescopic rod end of the first push rod 32. A mating ring 34 is rotatably mounted on the slotted ring 33. A rack 35 passing through the movable ring sleeve 31 is fixedly connected to the mating ring 34. One end of the limiting block 36 is provided with teeth that mesh with the rack 35. The movement of the rack 35 drives the two limiting blocks 36 to deflect. Both the fixed ring frame 21 and the first cleaning cylinder 18 are provided with limiting platforms 37 that cooperate with the transmission wheel 26. The limiting platforms 37 can be provided with grooves for the limiting blocks 36 to be embedded in, so that torque can be transmitted when the limiting blocks 36 are embedded in the grooves. It should be noted that when the first push rod 32 is in the extended state, the rack 35 causes a limiting block 36 to contact and engage with the rack 35 on the first cleaning cylinder 18, so that the movable ring sleeve 31 rotates synchronously with the first cleaning cylinder 18; when the first push rod 32 is shortened, another limiting block 36 contacts and engages with the limiting platform 37 on the fixed ring frame 21, so that the movable ring sleeve 31 is fixed and does not rotate.

[0031] A fixed brush plate 60 for cleaning the inner wall of the first cleaning cylinder 18 is fixedly connected to the rotating table 41.

[0032] When the movable ring sleeve 31 rotates synchronously with the first cleaning cylinder 18, it drives the push platform 42 to rotate under the action of the fixed rod 38, thereby causing the first ring shell 39 and the second ring shell 40 to rotate synchronously with the first cleaning cylinder 18. When the movable ring sleeve 31 does not rotate with the first cleaning cylinder 18, it is fixed relative to the fixed ring frame 21, thereby causing the first ring shell 39, the second ring shell 40, and the rotating platform 41 to stop moving, and the inner wall of the first cleaning cylinder 18 is cleaned by the fixed brush plate 60.

[0033] In one embodiment, a scrubbing assembly 27 is provided inside the second cleaning cylinder 19. The scrubbing assembly 27 cleans the particles entering the second cleaning cylinder 19 by friction against the inner wall of the second cleaning cylinder 19. The scrubbing assembly 27 includes two hinged sleeves 55 mounted on the first cleaning cylinder 18 and a plurality of soaking brushes 65 circumferentially distributed around the axis of rotation 28. The soaking brushes 65 agitate the particles and cooperate with the inner wall of the second cleaning cylinder 19 to perform friction cleaning on the particles. The left hinged sleeve 55 is slidably mounted on the rotation 28, and the right hinged sleeve 55 is fixed to the fixing ring frame 21 by a support frame 67. A plurality of circumferentially distributed hinge rods 63 are hinged on both hinged sleeves 55, and the two ends of the soaking brushes 65 are respectively hinged to one end of the opposite hinge rods 63 on the two hinged sleeves 55.

[0034] In the above embodiment, a slotted platform 56 coaxially arranged with the push sleeve 50 is fixedly provided on the sliding ring 51. A sliding groove 57 is provided on the slotted platform 56, and an embedded ring 58 is rotatably arranged in the sliding groove 57. A plurality of circumferentially distributed synchronizing rods 59 are fixedly connected to the embedded ring 58. The synchronizing rods 59 pass through the right hinged sleeve 55, and one end of the synchronizing rod 59 is fixedly connected to the left hinged sleeve 55. It is easy to understand that when the sliding ring 51 drives the push sleeve 50 to move to the right, the embedded ring 58 and the synchronizing rods 59 drive the left hinged sleeve 55 to move to the right, thereby reducing the distance between the two hinged sleeves 55, thereby causing the soaking brushes 65 to move away from each other and move the soaking brushes 65 closer to the inner wall of the second cleaning cylinder 19.

[0035] Working or installation process: In the initial state, the sliding ring 51 and the driven ring 52 are located at the rightmost position, the distance between the first spring 45 and the stirring rod 49 is small, and one of the limiting blocks 36 cooperates with the limiting platform 37 on the first cleaning cylinder 18.

[0036] 1. Plastic granules are put into the first cleaning cylinder 18. The first cleaning cylinder 18 is driven to rotate by the drive component 12, and the rotating shaft 28 is driven to rotate at the same time. The first water pump 13 is started to spray water into the first cleaning cylinder 18 through the spray pipe 62. The plastic granules roll and are cleaned in the first cleaning cylinder 18. With the agitation of the stirring blade 29, they are thoroughly cleaned. Since the first cleaning cylinder 18 is tilted, the plastic granules gradually move to the second cleaning cylinder 19. When they move to the separation component 30, the stirring rod 49 is used to break up the clumps of granules. At the same time, the granules that cannot be broken up move with the separation rod 44 to the upper side of the return tank 61 and fall into the return tank 61, so that they roll to the right side and continue to roll and be cleaned. The finer and more dispersed granules fall into the second cleaning cylinder 19. At this time, since the sliding ring 51 is located at the rightmost position, the soaking brush 65 is close to the inner wall of the second cleaning cylinder 19, which can thoroughly clean the finer granules.

[0037] 2. After the finer particles are cleaned and removed, the second push rod 53 is shortened, causing the sliding ring 51 to move to the left. This causes the driven ring 52 to move to the left under the action of the first spring 45 and the spring 48, increasing the distance between the first spring 45 and the stirring rod 49. At this time, larger particles will continue to fall into the second cleaning cylinder 19. As the sliding ring 51 moves to the left, the left hinged sleeve 55 moves to the left under the action of the embedded ring 58 and the synchronizing rod 59, causing the two hinged sleeves 55 to move away from each other. This increases the distance between the soaking brush 65 and the inner wall of the second cleaning cylinder 19, preventing excessive pressure that could cause larger plastic particles to break.

[0038] 3. When it is necessary to clean the inner wall of the first cleaning cylinder 18, the first push rod 32 is controlled to drive the slotted ring 33 to move, thereby driving the mating ring 34 to move, which in turn causes the rack 35 to drive the two limiting blocks 36 to deflect, so that one of the limiting blocks 36 contacts and engages with the limiting platform 37 on the fixed ring frame 21, and the other limiting block 36 disengages from the limiting platform 37 on the first cleaning cylinder 18. At this time, the movable ring sleeve 31 no longer rotates, and under the action of the fixed rod 38, the first ring shell 39 and the second ring shell 40 no longer rotate. At this time, the fixed brush plate 60 moves relative to the inner wall of the first cleaning cylinder 18, thereby cleaning the inner wall of the first cleaning cylinder 18.

[0039] The above description is merely a selection of preferred embodiments of this disclosure and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in the embodiments of this disclosure is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in the embodiments of this disclosure.

Claims

1. A drum-type washing device for plastic belts using recycled plastic granules, comprising: The outer casing (10) is characterized in that it further includes: The cleaning cylinder assembly (11) is rotatably mounted inside the housing frame (10), and the axis of the cleaning cylinder assembly (11) is arranged at an angle; The drive unit (12) is fixedly mounted on the housing frame (10) and is connected to the cleaning cylinder assembly (11) in a transmission manner; The cleaning cylinder assembly (11) includes a first cleaning cylinder (18) and a second cleaning cylinder (19) arranged coaxially from left to right, and a driving member (12) drives the cleaning cylinder assembly (11) to rotate. A spray pipe (62) is fixedly installed on the outer frame (10), and the spray pipe (62) passes through the cleaning cylinder assembly (11). A separation component (30) is disposed inside the first washing cylinder (18) near the second washing cylinder (19). The separation component (30) separates particles of different sizes inside the first washing cylinder (18). The separation component (30) includes: A first annular shell (39) and a second annular shell (40) are provided inside the first cleaning cylinder (18), wherein the second annular shell (40) is fixedly connected to a rotating platform (41), and the rotating platform (41) is rotatably engaged with the inner wall of the first cleaning cylinder (18); The first ring shell (39) and the second ring shell (40) are sleeved and slidably fitted together. The first ring shell (39) and the second ring shell (40) rotate synchronously. A coaxially arranged push platform (42) is fixedly provided at one end of the first ring shell (39). The push platform (42) pushes the first ring shell (39) to move, causing the overall length of the first ring shell (39) and the second ring shell (40) to shorten. Multiple nested rings (43) are provided between the first ring shell (39) and the second ring shell (40). A circumferentially distributed separation rod (44) is fixedly connected to the inner side of the nested ring (43). Adjacent... A first spring (45) is provided between the two nested rings (43). The first spring (45) abuts against the two nested rings (43) respectively. A fixed ring frame (21) is fixedly provided inside the outer casing frame (10). A return groove (61) is fixedly connected to the fixed ring frame (21). The return groove (61) is arranged at an angle and the angle is opposite to that of the cleaning cylinder assembly (11). The first ring shell (39) and the second ring shell (40) rotate inside the first cleaning cylinder (18), so that the separation rod (44) lifts the particles above the return groove (61) and falls into the return groove (61).

2. The drum-type washing equipment for recycled plastic granules in plastic belts according to claim 1, characterized in that: A rotating shaft (28) is rotatably mounted on the outer casing (10). The rotating shaft (28) passes through the cleaning cylinder assembly (11). A stirring assembly (47) located at the separation assembly (30) is mounted on the rotating shaft (28), and an agitating blade (29) located to the left of the stirring assembly (47) inside the first cleaning cylinder (18). The stirring assembly (47) includes: multiple nested cylinders (46) sleeved on the rotating shaft (28). The rightmost nested cylinder (46) is fixedly engaged with the rotating shaft (28), and the remaining nested cylinders (46) are nested together and slidably engaged with the rotating shaft (28). A spring (48) is connected between two adjacent nested cylinders (46). A push sleeve (50) is slidably mounted on the rotating shaft (28). The push sleeve (50) shortens the distance between the leftmost nested cylinder (46) and the rightmost nested cylinder (46) by squeezing the leftmost nested cylinder (46). Multiple circumferentially distributed stirring rods (49) are fixedly mounted on the nested cylinders (46).

3. The drum-type washing equipment for recycled plastic granules in plastic belts according to claim 2, characterized in that: A sliding ring (51) is slidably arranged inside the fixed ring frame (21). A driven ring (52) abuts against one side of the sliding ring (51). A plurality of fixed rods (38) are fixedly connected to the driven ring (52) evenly distributed. One end of the fixed rod (38) is fixedly connected to the push table (42). One end of the push sleeve (50) is fixedly installed on the sliding ring (51). Two second push rods (53) are fixedly arranged symmetrically on the outside of the fixed ring frame (21). One end of the telescopic rod of the second push rod (53) is fixedly connected to a connecting rod (54) fixedly connected to the sliding ring (51). A slot is opened on the side wall of the fixed ring frame (21) for the connecting rod (54) to pass through.

4. The drum-type washing equipment for recycled plastic granules in plastic belts according to claim 3, characterized in that: An external gear ring (17) is fixedly installed on the outer wall of the first cleaning cylinder (18). A drive wheel (16) is fixed at the output end of the drive component (12). The fixed external gear ring (17) meshes with the drive wheel (16). The drive component (12) outputs power to drive the first cleaning cylinder (18) to rotate. The fixed ring frame (21) is located between the first cleaning cylinder (18) and the second cleaning cylinder (19). A mounting base (22) is fixed on the fixed ring frame (21). A transmission shaft is rotatably installed on the mounting base (22). An external gear ring (24) is fixedly connected to the outer wall of the first cleaning cylinder (18). An internal gear ring (25) is fixedly connected to the second cleaning cylinder (19). A meshing wheel (23) meshing with the external gear ring (24) is fixedly connected to the transmission shaft. A transmission wheel (26) meshing with the internal gear ring (25) is also fixedly connected to the transmission shaft. When the first cleaning cylinder (18) rotates, it will drive the second cleaning cylinder (19) to rotate synchronously.

5. A drum-type washing device for recycled plastic granules in plastic belts according to claim 4, characterized in that: A movable ring sleeve (31) is provided between the fixed ring frame (21) and the first cleaning cylinder (18). The movable ring sleeve (31) is rotatably engaged with the fixed ring frame (21) and the first cleaning cylinder (18). A limiting sleeve (66) is fixedly provided on the movable ring sleeve (31) and sleeved on the fixed rod (38). A separation component is provided between the movable ring sleeve (31), the fixed ring frame (21), and the first cleaning cylinder (18). The separation component includes two limiting blocks (36) rotatably disposed on the movable ring sleeve (31). One limiting block (36) is located near the fixed ring frame (21), and the two limiting blocks (36) are respectively positioned on the fixed ring frame (21). 6) A first push rod (32) is fixedly installed on a fixed ring frame (21) near the first cleaning cylinder (18). A slotted ring (33) is fixedly connected to the telescopic rod end of the first push rod (32). A mating ring (34) is rotatably installed on the slotted ring (33). A rack (35) passing through the movable ring sleeve (31) is fixedly connected to the mating ring (34). A toothed pattern that meshes with the rack (35) is provided at one end of the limiting block (36). The rack (35) moves to drive the two limiting blocks (36) to deflect. A limiting platform (37) that cooperates with the transmission wheel (26) is provided on both the fixed ring frame (21) and the first cleaning cylinder (18).

6. A drum-type washing device for recycled plastic granules in plastic belts according to claim 5, characterized in that: The second cleaning cylinder (19) is equipped with a scrubbing assembly (27). The scrubbing assembly (27) cleans the particles entering the second cleaning cylinder (19) by rubbing them against the inner wall of the second cleaning cylinder (19). The scrubbing assembly (27) includes: Two hinged sleeves (55) are installed on the first cleaning cylinder (18) and multiple soaking brushes (65) are circumferentially distributed around the axis of rotation (28). The soaking brushes (65) agitate the particles and cooperate with the inner wall of the second cleaning cylinder (19) to perform friction cleaning on the particles. The left hinged sleeve (55) is slidably set on the rotation axis (28), and the right hinged sleeve (55) is fixed on the fixed ring frame (21) by the support frame (67). Multiple hinged rods (63) are hinged on both hinged sleeves (55) and circumferentially distributed. The two ends of the soaking brushes (65) are respectively hinged to one end of the corresponding hinged rods (63) on the two hinged sleeves (55).

7. A drum-type washing device for recycled plastic granules in plastic belts according to claim 6, characterized in that: A slotted platform (56) coaxially arranged with the push sleeve (50) is fixedly provided on the sliding ring (51). A sliding groove (57) is provided on the slotted platform (56). An embedded ring (58) is rotatably arranged in the sliding groove (57). A plurality of circumferentially distributed synchronizing rods (59) are fixedly connected to the embedded ring (58). The synchronizing rods (59) pass through the right hinge sleeve (55). One end of the synchronizing rod (59) is fixedly connected to the left hinge sleeve (55).

8. A drum-type washing device for recycled plastic granules in plastic belts according to claim 7, characterized in that: Both the second cleaning cylinder (19) and the first cleaning cylinder (18) have through holes arranged in an array. The diameter of the second cleaning cylinder (19) is larger than that of the first cleaning cylinder (18). The second cleaning cylinder (19) is located on the lower side. A fixed brush plate (60) for cleaning the inner wall of the first cleaning cylinder (18) is fixedly connected to the rotating table (41). The spray pipe (62) inside the first cleaning cylinder (18) is equipped with a spray head. A water tank and a first water pump (13) connected to the water tank are provided on the outer frame (10). The push rod pipe at the outlet end of the first water pump (13) is connected to the cleaning cylinder assembly (11). An immersion basin (20) located below the second cleaning cylinder (19) is installed on the outer frame (10). The second cleaning cylinder (19) is partially located inside the immersion basin (20). A second water pump (14) connected to a water tank is installed on the outer frame (10). The outlet of the second water pump (14) is connected to a fixed ring frame (21) through a pipe. A sewage tank (15) located below the first cleaning cylinder (18) is provided on the outer frame (10). The first cleaning cylinder (18) has an inlet at one end away from the second cleaning cylinder (19), and the second cleaning cylinder (19) has an outlet at one end away from the first cleaning cylinder (18).

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