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CN-121972398-A - Granulator for recycling waste plastics

CN121972398ACN 121972398 ACN121972398 ACN 121972398ACN-121972398-A

Abstract

The invention discloses a granulator for recycling waste plastics, which relates to the technical field of plastic recycling, and comprises a workbench, a granulator main body and a fixing frame, wherein a conveying box is arranged in the middle of the fixing frame, a polishing cylinder is arranged on the lower side of the conveying box, and a recycling box is arranged on the right side of the polishing cylinder; according to the invention, plastic particles are subjected to vibration screening by arranging the screening mechanism, the filter plate is subjected to parabolic reciprocating motion under the cooperation of the vertical groove and the arc groove, so that the dispersion and screening effect among the particles is promoted, two sliding rods with different lengths driven by the cam form time sequence beating, the short sliding rod is used for carrying out basic vibration on the filter plate, when the filter plate starts to reset and is positioned at the highest point of the track, the long sliding rod is used for carrying out secondary powerful beating on the right lower end of the long sliding rod, so that the particles clamped in meshes are shaken off, and the screening surface is subjected to shaking cleaning, thereby fundamentally solving the problem that the traditional vibrating screen is easy to block.

Inventors

  • XU CHAO

Assignees

  • 湖南铭鹰再生资源有限公司

Dates

Publication Date
20260505
Application Date
20260306

Claims (7)

  1. 1. The utility model provides a granulator for abandonment plastics are retrieved, includes workstation (1), granulator main part (2), mount (5), its characterized in that, the middle part of mount (5) is provided with delivery box (8), the downside of delivery box (8) is provided with polishing section of thick bamboo (7), the right side of polishing section of thick bamboo (7) is provided with recovery box (6), the upside of delivery box (8) is provided with screening mechanism (200) that carries out the screening to plastic granules, the right side of polishing section of thick bamboo (7) is provided with first vibration mechanism (300) that vibrate screening mechanism (200), the upside of recovery box (6) is provided with second vibration mechanism (400) that vibrate screening mechanism (200) secondarily.
  2. 2. The granulator for recycling waste plastics of claim 1, wherein the screening mechanism (200) comprises a fixing shell (201), a connecting frame (204), a limiting frame (206) and a filter plate (208), wherein an air cooler (203) is arranged on the upper side of the fixing shell (201), the fixing shell (201) is fixedly connected to the upper end of a fixing frame (5), two groups of arc grooves (202) are fixedly arranged on the front side and the rear side of the fixing shell (201), the height of each arc groove (202) on the left side is higher than that of each arc groove (202) on the right side, two groups of vertical grooves (205) are fixedly arranged on the front side and the rear side of the connecting frame (204), the height of each vertical groove (205) on the left side is higher than that of each arc groove on the right side, the limiting frame (206) and the filter plate (208) are obliquely arranged, two groups of connecting shafts (207) are fixedly connected to the front side and the rear side of the limiting frame (206), the middle of each connecting shaft (207) slides in the inner portion of the vertical groove (205), and the outer ends of the connecting shafts (207) slide in the arc grooves (202).
  3. 3. The granulator for recycling waste plastics according to claim 2, wherein the front side and the rear side of the filter plate (208) are fixedly connected with rotating shafts (209), the rotating shafts (209) are rotatably connected to the inside of the limiting frame (206), limiting clamping blocks (210) are arranged on the front side and the rear side of the right end of the limiting frame (206), the lower ends of the limiting clamping blocks (210) are located on the lower side of the filter plate (208), the left side of the connecting frame (204) is fixedly connected with a traction part (13), and the traction part (13) is connected with an external telescopic rod to drive the filter plate (208) to swing.
  4. 4. The granulator for recycling waste plastics according to claim 3, wherein the first vibration mechanism (300) comprises an output shaft (301), a driving cam (306), a connecting clamping block (307), two groups of limiting plates (311) and two groups of push rods (308) with different lengths, the left side of the recycling bin (6) is provided with a mounting frame (9), the upper end of the mounting frame (9) is fixedly provided with a driving motor (10), the output end of the driving motor (10) is fixedly connected with the output shaft (301), the output shaft (301) is fixedly connected with a polishing cylinder (7), a driving rotating wheel (302) is fixedly connected with the surface of the output shaft (301), a transmission shaft (305) is arranged between the left side limiting plate and the right side limiting plate (311), the right side of the surface of the transmission shaft (305) is fixedly connected with a driven rotating wheel (303), the driving rotating wheel (302) is in transmission connection with the driven rotating wheel (303) through a connecting belt (304), and the driving cam (306) is fixedly connected to the left side of the surface of the transmission shaft (305).
  5. 5. The granulator for recycling waste plastics of claim 4, wherein the connecting clamping block (307) is fixedly connected with the connecting frame (204), a spring (309) is arranged in the middle of the pushing rod (308), a driving rack (310) is fixedly connected to the right side of the upper end of the connecting clamping block (307), the pushing rod (308) is positioned at the lower end of the right half part of the filter plate (208), and the connection line of the top points of the pushing rod (308) at the left side and the right side is consistent with the inclination degree of the filter plate (208).
  6. 6. The granulator for recycling waste plastics according to claim 5, wherein the second vibration mechanism (400) comprises a rotating plate (401) and a matching gear (404), the front side and the rear side of the upper end face of the recycling bin (6) are fixedly connected with matching blocks (403), a guide shaft (402) is arranged between the front side and the rear side of the matching blocks (403), the rotating plate (401) is movably connected to the surface of the guide shaft (402), a beating block (405) is fixedly connected to the upper left end side of the rotating plate (401), the matching gear (404) is fixedly connected to the rear side of the guide shaft (402), and the driving rack (310) is in meshed connection with the matching gear (404).
  7. 7. The granulator for recycling waste plastics, as set forth in claim 6, characterized in that the granulator body (2) is connected with the workbench (1) through the supporting part (3), a feed hopper (4) is disposed on the upper side of the granulator body (2), a base (11) is disposed on the left side of the polishing cylinder (7), a conveying pipe (12) is connected to the lower end of the conveying box (8) in a penetrating manner, and the lower end of the conveying pipe (12) is communicated with the left end of the polishing cylinder (7).

Description

Granulator for recycling waste plastics Technical Field The invention relates to the technical field of plastic recycling, in particular to a granulator for recycling waste plastic. Background The recycling and resource development of the waste plastics are derived from the deep knowledge of the environment and resources, and the reduction of the pollution of the waste plastics to the environment and the resource waste are a survival mode, thus being a great thing for benefiting the country and the people. The most common recycling of the existing waste plastics is plastic recovery, namely, the waste plastics are put into a machine body and recycled resources with a certain shape are formed by stirring and granulating, pressure forming and granulating, hot melting and forming and granulating and other methods. The cooled plastic particles need to be screened to separate large particles or adhesion materials with unqualified sizes, so that the uniformity of the particles entering a polishing link is ensured, and the quality of reclaimed materials is improved. In the prior art, a linear vibrating screen or a rotary vibrating screen is adopted for screening, the driving mode is single, and in actual use, the following problems can occur particularly when plastic particles with slight adhesion or irregular shapes are treated: 1. particles easily slide unidirectionally on a screen surface or jump insufficiently, so that screening efficiency is low and treatment capacity is limited; 2. Particles close to the size of the sieve holes are easy to be blocked in the holes, so that the sieve is blocked, and frequent shutdown and cleaning are needed; 3. The screening process has limited throwing and dispersing effects on particles, and unqualified particles are not easy to separate rapidly and guide to a specific outlet, so that continuous production is affected. Disclosure of Invention The invention aims to provide a granulator for recycling waste plastics, so as to solve the problems set forth in the background. In order to achieve the purpose, the granulator for recycling waste plastics comprises a workbench, a granulator main body and a fixing frame, wherein a conveying box is arranged in the middle of the fixing frame, a polishing cylinder is arranged on the lower side of the conveying box, a recycling box is arranged on the right side of the polishing cylinder, a screening mechanism for screening plastic particles is arranged on the upper side of the conveying box, a first vibration mechanism for vibrating the screening mechanism is arranged on the right side of the polishing cylinder, and a second vibration mechanism for secondarily vibrating the screening mechanism is arranged on the upper side of the recycling box. Preferably, the screening mechanism comprises a fixing shell, a connecting frame, a limiting frame and a filter plate, wherein an air cooler is arranged on the upper side of the fixing shell, the fixing shell is fixedly connected to the upper end of a fixing frame, two groups of arc grooves are fixedly formed in the front side and the rear side of the fixing shell, the left side is higher than the right side of the arc grooves, two groups of vertical grooves are fixedly formed in the front side and the rear side of the connecting frame, the left side is higher than the right side of the vertical grooves, the limiting frame and the filter plate are obliquely arranged, two groups of connecting shafts are fixedly connected to the front side and the rear side of the limiting frame, the middle of each connecting shaft slides in the inner portion of the corresponding vertical groove, and the outer ends of the connecting shafts slide in the inner portion of the corresponding arc grooves. Preferably, the front and back sides of filter all fixedly connected with pivot, the pivot rotates the inside of connecting in spacing frame, the right-hand member front and back side of spacing frame all is provided with spacing fixture block, the lower extreme of spacing fixture block is located the downside of filter, the left side fixedly connected with traction portion of link, traction portion drives the swing of filter through being connected with outside telescopic link. Preferably, the first vibration mechanism comprises an output shaft, a driving cam, a connecting clamping block, two groups of limiting plates and two groups of push rods with different lengths, a mounting frame is placed on the left side of the recovery box, a driving motor is fixedly arranged at the upper end of the mounting frame, the output end of the driving motor is fixedly connected with the output shaft, the output shaft is fixedly connected with a polishing cylinder, a driving rotating wheel is fixedly connected with the surface of the output shaft, a transmission shaft is arranged between the left limiting plate and the right limiting plate, a driven rotating wheel is fixedly connected with the right side of the surface of the transmission