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Abstract

With the developing of the plastic industry, the plastic injection mould has already been become one of the main methods of manufacturing plastic products.
According to the designing of Lu Bao ventilation shutter integration double cavity injection Mould .Firstly, this paper introduced the selection basis and significance of subject ,the development situation at home and abroad , the main topics to be taken by the content and methods, difficulty parts of design and solutions and development prospects of injection mould . And then introduce the whole design process. Analysis the plastic parts, select the injection machine and check some parameters .At last, overall design of injection machine , including geometric shape and size of molding and component design , molten plastic transportation of runner system , the overflow and air-entraining system design which affects the precision of plastic parts. temperature control system in cooling system、separate and remove the molding of plastic parts of ejection mechanism and mould base. With UG three dimension design to draw the appearance of plastic parts. Use the slanted guide pillar and sliding core to complete the pulling action of cavity-hole in this paper. Experiential learning is described in the end of the paper.

Key words: Injection plastic; Cooling System; Mould base;
Side core-pulling mechanism; Ejection mechanism

摘 要

随着塑料工业的发展，注塑模已经成为塑料制品的主要成型方法之一。
针对路宝车通风百叶窗总成双腔注塑模的设计，本文首先介绍了课题选择的依据和意义、课题的国内外研究现状、课题的主要内容及拟采取的方法、设计的难点与解决方法和注塑模的发展前景。接着介绍了注塑模的整个设计流程。分析塑件、选取注射机并进行部分参数的校核。然后是注塑模的整体设计，包括成型塑件几何形状和尺寸及其零部件设计、输送熔融塑料的浇注系统设计、排出影响塑件精度气体的排溢与引气系统设计、冷却系统中的温度调节系统设计、分离并取出成型塑件的脱模机构设计以及模架设计。并用UG三维实体设计画出本塑件的外型结构。本文利用斜导柱和活动型芯完成塑件上侧向凹孔的抽芯动作。本文最后阐述了此次设计的心得体会。

关键词：注塑模；冷却系统；模架；侧向抽芯机构；脱模机构

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