充电器外壳注塑模具设计-毕业论文.docx

word文档 可编辑 充电器外壳注塑模具设计 摘要 本文主要介绍的是充电器外壳注塑模具的设计方法。首先分析了充电器外壳制件的工艺特点，包括材料性能、成型特性与条件、结构工艺性等，并选择了成型设备。接着介绍了充电器外壳注塑模的分型面的选择、型腔数目的确定及布置，重点介绍了浇注系统、成型零件、合模导向机构、脱模机构、定距分型机构以及冷却系统的设计。然后选择标准模架和模具材料，并对注射机的工艺参数进行相关校核。最后对模具的工作原理进行阐述，以及在安装调试过程中可能出现的问题进行总结、分析，并给出了相应的解决方法。 本文论述的充电器外壳注塑模具采用三板式结构，即浇注系统凝料和制件在不同的分型面脱出，采用一模四腔的型腔布置，最后利用推板将制件推出。 关键词：充电器外壳；注塑模；三板模；浇注系统；脱模机构；定距分型机构 The mould injection design of charger shell Abstract The designing methods of injection mould of the charger shell are mainly introduced in this paper. First, the technological characteristics are analysed, including material properties, forming characteristics and conditions, the process of the structure, the forming equipment is selected.Then the parting line is selected, the number of cavities is determined.The specific introduction are made on gating system, cooling system,Molding parts, Steering mechanism, moulding mechanism, and spacer parting institutions.Then the standard mould bases and Mould materials are selected.and the technological parameters of the forming equipment is checked. Finally, problems that may emerge during the mold installation process are analysed and the appropriate solutions are provided. Threepence mould is used on the design of charger shell,that is pouring material and the plastic parts are ejected from different parting lines. there are four cavities in this mould,finally a stripper plate is used to push off the charger shells. Keyword:Charger shell;Injection mould;Threepence mould;Gating system;Moulding mechanism ; Space parting institutions 目录 TOC \o 1-3 \h \u 摘要 PAGEREF _Toc15766 I Abstract PAGEREF _Toc269 II 第一章 绪论 PAGEREF _Toc23796 1 1.1 选题的依据及意义 PAGEREF _Toc1669 1 1.2 国内外研究现状及发展趋势 PAGEREF _Toc373 1 第二章 充电器外壳工艺性分析 PAGEREF _Toc23411 4 2.1 材料性能 PAGEREF _Toc6143 4 2.2 成型特性和条件 PAGEREF _Toc16888 4 2.3 结构工艺性 PAGEREF _Toc10147 4 2.4 零件体积及质量估算 PAGEREF _Toc1167 5 2.5 充电器外壳注塑工艺参数的确定 PAGEREF _Toc23027 5 2.6 初选注射机的型号和规格 PAGEREF _Toc4985 5 第三章 充电器外壳注塑模具的结构设计 PAGE