论文-收音机后盖注塑模具设计与制造.doc

黄河科技学院毕业设计说明书 第  PAGE \* MERGEFORMAT 31 页 PAGE  毕业设计说明书 收音机盒后盖注塑模具设计 院（系）名称 工学院机械系 专业名称机械设计制造及其自动化2012年 5 月 15 日 摘 要 塑料工业是当今世界上增长最快的工业门类之一，而注塑模具是其中发展较快的种类，因此，研究注塑模具对了解塑料产品的生产过程和提高产品质量有很大意义。本设计介绍了注射成型的基本原理，特别是单分型面注射模具的结构与工作原理，对注塑产品提出了基本的设计原则；详细介绍了冷流道注射模具浇注系统、温度调节系统和顶出系统的设计过程，并对模具强度要求做了说明，通过本设计，可以对注塑模具有一个初步的认识，注意到设计中的某些细节问题，了解模具结构及工作原理 关键词：塑料模具,分型面?,设计 The radio back cover injection mold design Abstract The plastics industry in the world grows one of now quickest industry classes, but the injection mold is develops the quick type, therefore, the research injection mold to understood that the plastic product the production process and improves the product quality to have the very big significance. This design introduced injection moldings basic principle, specially single is divided the profile to inject molds structure and the principle of work, to cast the product to propose the basic principle of design; Introduced in detail the cold flow channel injection mold gating system, the temperature control system and goes against systems design process, and has given the explanation to the mold intensity request, through this design, may have a preliminary understanding to the injection mold, notes in the design certain detail question, understands the mold structure and the principle of work Key word: Plastic mold, Divides the profile, Design 目录TOC \o 1-3 \h \u   HYPERLINK \l _Toc11464 1 绪论  PAGEREF _Toc11464 2  HYPERLINK \l _Toc17979 2 塑件的工艺分析  PAGEREF _Toc17979 2  HYPERLINK \l _Toc21872 2.1 塑件零件图及其尺寸  PAGEREF _Toc21872 2  HYPERLINK \l _Toc1044 2.2 分析塑件使用材料的种类及工艺特征  PAGEREF _Toc1044 2  HYPERLINK \l _Toc22160 2.3 分析塑件的结构工艺性  PAGEREF _Toc22160 2  HYPERLINK \l _Toc10837 2.4 工艺性分析  PAGEREF _Toc10837 2  HYPERLINK \l _Toc23045 2.5 初步确定型腔数目  PAGEREF _Toc23045 2  HYPERLINK \l _Toc25581 3 注射机的选择  PAGEREF _Toc25581 2  HYPERLINK \l _Toc28031 3.1 塑件体积的计算  PAGEREF _