3D曲面显示屏压合机的PLC控制器注塑模具流动平衡优化分析  

Optimization Analysis of Flow Balance of Injection Mold with PLC Controller of 3D Curved Display Screen of Pressing Machine

作　　者：左大利[1] 张伟文[1] 张良超[1] ZUO Da-li;ZHANG Wei-wen;ZHANG Liang-chao(School of Electromechanical Engineering,Dongguan Polytechnic,Dongguan 523808,China)

机构地区：[1]东莞职业技术学院机电工程学院,广东东莞523808

出　　处：《塑料科技》2020年第11期83-87,共5页Plastics Science and Technology

基　　金：东莞市社会科技发展(一般)项目2018年度课题(20185071561261)。

摘　　要：真空压合技术是一种应用于3D曲面显示屏无气泡贴合的全新技术,对于各类智能硬件的显示屏组的帖覆十分关键。PLC控制器是真空压合技术的控制系统,其内部的精密元件依靠外部的塑料外壳保护。以某牌号PLC控制器外壳为实例,基于Moldflow软件,对其注塑加工的流动平衡性进行了分析,得到了较为良好的流动平衡方案。结果表明:上盖和底座的填充时间差异性由原来的13.58%降至3.11%,注射压力差异性由原来的98.13%降至26.70%,翘曲变形降低了6.64%,改善了模具的流动平衡性,能够在一定程度上提高产品质量和生产效率,为类似塑件的注塑加工提供了参考。Vacuum pressing technology is a new technology applied to the bubble-free bonding of 3D curved display screen,which is very important for the placement of display screen of various intelligent hardware.The PLC controller is a control system of vacuum pressing technology,and its internal precision components are protected by an external plastic housing.Taking a certain brand of PLC controller housing as an example,based on Moldflow software,the flow balance of its injection molding process was analyzed,and a relatively good flow balance solution was obtained.The result show that the filling time difference between the upper cover and the base is reduced from 13.58%to 3.11%,the injection pressure difference is reduced from 98.13%to 26.70%,and the warpage deformation is reduced by 6.64%,which improves the flow balance of the mold and improves the product quality and production efficiency to a certain extent,the research is helpful for providing with reference for injection molding of similar plastic parts.

关 键 词：MOLDFLOW 注塑 流动平衡 曲面显示屏 

分 类 号：TQ320.66[化学工程—合成树脂塑料工业]