文档介绍：充值下载即送 CAD 图纸, QQ 36396305 -1- 摘要本论文详细介绍了收音机前壳的注射模设计过程。包括了塑件结构的分析和材料的选择、拟定模具结构形式、注塑机型号的选择、浇注系统的形式和浇口的设计、成型零件的设计、模架的确定和标准件的选用、合模导向机构的确定、脱模推出机构的确定、侧向抽芯机构的设计、排气系统的设计、模具温度调节系统的设计、典型零件制造工艺、模具材料的选用等。该塑件一侧有一个圆形的通孔, 故采用弯拉杆侧抽芯的结构;对于收音机前盖的多个通孔,采用了组合型腔,在凸模上嵌入多个圆柱型芯,一次性获得所需要结构,并且能顺利脱模,避免多开发一套模具或者改变产品结构设计。设计前对塑件进行了细致的分析和研究, 保证了图纸的绘制质量和计算的准确性,再利用 AutoCAD 画出整个模具的装配图。关键词:收音机前壳;注射模;侧向抽芯;组合型腔充值下载即送 CAD 图纸, QQ 36396305 -2- ABSTRACT This essay introduces the injection mold design of radio front cover in plastic structural analysis and selection of material;Drawing up type of structures;Selection of injection mold machine;Form of feed system and design of runner;Shaped parts design;Mold base confirmation and standardized parts selection;The oriented institutions to identify for mold clamping;Confirmation of lateral core-anization;Side core-anization design;Exhaust system design;designing of the system for controlling the mold temperature;Manufacturing process of ponents,selection of mold material, isa round through-hole on mold side,So adopted the whole structure to pulling out the core;Regarding to several through-holes on the fore-side,I used revolve cavity to get the structure I need,not only can be demoulding easily,but also avoid it e to another mould or change the design of the analysis and research about mold before designing ensure the quality of skeletonizing and veracity of calculation,then used AutoCAD to make erection drawing of the whole mold Keywords: radio front cover;Injection mold; Lateral core-pulling ; Revolve cavity 充值下载即送 CAD 图纸, QQ 36396305 -3- 目录第一章前言………………………………………………………………………… 1 设计背景……………………………………………………………………… 1 模具国内外发展状况………………………………………………………… 1 我国模具技术的现状………………………………………………… 1 我国模具技术的发展趋向…………………………………………… 2 第二章塑料制品设计…………………………………………………………… 5 收音机前壳零件图尺寸确定………………………………………………… 5 材料成型工艺分析………………………………………………………… 6 塑件尺寸精度……………………………………………………………… 7 模具材料的选择…………………………………………………………… 7 脱模斜度………