A granulation equipment for producing nylon materials

By using the cutting components of star-shaped tool holder and ring blade in the nylon granulator, combined with the design of oil-pipe lubrication and secondary tool holder rotation, the problems of adhesion and non-rounding of cutting tools in the nylon granulator are solved, achieving more efficient cutting and less debris generation.

CN119017586BActive Publication Date: 2025-03-21SHANGHAI CHUANGDU JUNCHENG ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202411513801.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-03-21
Estimated Expiration
2044-10-29

AI Technical Summary

Technical Problem

When cutting plastic strips in existing nylon granulators, plastic is easily stuck near the discharge port of the cutting tool and extrusion tray, resulting in a decrease in cutting quality and the size of the molded particles is not round, and debris are easily generated after cooling.

Method used

A granulation equipment for the production of nylon materials was designed, using a cutting assembly of a star-shaped knife holder and annular blade. The annular blade can be circulating and rolled in the secondary knife holder and lubricated through the oil-filled pipe to reduce the friction between the tool and the plastic. The secondary tool holder can be rotated to change the angle between the annular blade and the radial direction, avoiding adhesion and pulling deformation.

Benefits of technology

It effectively prevents adhesions near the discharge port of the cutting tool and the extrusion tray, improves the cutting quality, ensures the round shape of the particles, and reduces the generation of debris.

✦ Generated by Eureka AI based on patent content.
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Abstract

The present invention provides a granulation equipment for nylon material production, which belongs to the field of plastic processing, including a raw material preparation component and an extrusion component, wherein an extrusion disc and a cutting component are arranged inside the extrusion pipe discharge end of the extrusion component; the cutting component comprises a star-shaped tool holder located on a first plane and having a plurality of radial arms, wherein the first plane is parallel to the plane where the extrusion disc is located; a secondary tool holder that can rotate on a second plane parallel to the first plane is arranged on the inner side surface of each radial arm facing the extrusion disc, wherein the secondary tool holder has a rounded rectangular inner cavity, wherein the third plane where the inner cavity is located is inclined to the first plane, and an annular blade that can circulate and roll along the inner wall is arranged in contact with the inner wall of the inner cavity; an oil storage tank is arranged on the outer side surface of each secondary tool holder, wherein the oil storage tank has a plurality of oil seepage pipes, wherein the outlet of the oil seepage pipe is frictionally connected with the blade of the corresponding annular blade. The present invention can prevent plastic from adhering to the surface near the cutting tool and the discharge port of the extrusion disc.
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