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目 录摘要.21 前 言 .32 塑件的工艺分析 .32.1 塑件原材料分析 .32.2 塑件结构、尺寸精度及表面质量分析 .42.3 塑件的体积与重量 .52.4 塑件注塑工艺参数的确定 .53 拟定成型方案 .63.1 分型面的选择 .63.2 确定型腔布置 .73.3 浇注系统的设计 .83.3.1 主流道的设计 .83.3.2 浇口设计 .84.模具成型零件的设计与计算.94.1 凸模、凹模、型芯设计与计算 .94.2 型腔侧壁厚度和底板的计算 .105.脱模机构的设计与计算.125.1 脱模机构的设计原则 .125.2 脱模力的计算 .126.合模导向机构设计.137.注塑机的选定与相关参数的校核.147.1 注塑机初步的选定 .147.2 注塑机相关参数的校核 .148.设计小结.15参考文献.151塑料饭盒注塑模设计学 生：指导老师： 摘要摘要：本课题主要是针对塑料饭盒的注塑模具设计,该塑料饭盒材料为无毒 PP 材料，是日常生活中常见的一种塑件产品。通过对塑件进行工艺的分析和比较,最终设计出一副注塑模。该课题从产品结构工艺性，具体模具结构出发，对模具的浇注系统、模具成型部分的结构、顶出系统、冷却系统、注塑机的选择及有关参数的校核、都有详细的设计，同时并简单的编制了模具的加工工艺。通过整个设计过程表明该模具能够达到此塑件所要求的加工工艺。根据题目设计的主要任务是饭盒注塑模具的设计，也就是设计一副注塑模具来生产塑件产品，以实现自动化提高产量。针对塑件的具体结构，该模具是点浇口的双分型面注射模具。关键词关键词: :注塑模，塑料饭盒Potted molded plastic lunch boxs mold designStudent:Tutor:Abstract: This topic mainly aims at potted molded plastic lunch boxs mold design, this plastic lunch box material for the non-toxic PP material, is in the daily life the common one kind models a product. Through to models to carry on the craft the analysis and the comparison, designs a note mold finally. This topic from the product mix technology capability, the concrete mold structure embarks, to molds gating system, the mold formation parts structure, goes against the system, the cooling system, injection molding machines choice and the related parameter examination, has the detailed design, simultaneously and simple establishment molds processing craft. Through the entire design process indicated that this mold can achieve this to model the processing craft which an institute requests. According to the topic designs primary mission is the lunch box injection molds design, is also designs an injection mold to produce models a product, realizes the automation to raise the output. In view of models a concrete structure, t