汽车控制按钮成型工艺及注射模设计+CAD图纸
毕业论文关键词： 注塑模具；侧向分型抽芯机构；注塑成型工艺
Inject mold Design of automobile control buttons and its molding process
Abstract: Plastic products have been in industry, agriculture,national defense and all aspects of daily life has been widely used,especially in the automotive industry is more prominent. Improve product performance will require a high-quality plastic molds and plastic properties , molding process and product design. This topic is an auto defogging mold design defrost button on the enclosure . Research is focused on process design and structure of the mold design process, design structural design including cavities , cores , design side of the pumping mechanism, gating system,select the sprue bush , the parting surface design , mold -oriented and Stripping structural design,cooling system design, selection and calibration of the injection molding machine.This paper describes in detail the specific plastic mold design process, first condensed overview of the background knowledge of the design,the next calculation process,then the process is calculated on the basis of the convex and concave mold structure design, in order to select the other parts the final three-dimensional software to generate the mold assembly drawing.
Key words: plastic mold; injection mold side-parting core-pulling; Injection molding process
目 录
1 绪论 1
1.1 综述 1
1.1.1 塑料模具的功能 1
1.1.2 我国塑料模具现状及发展趋势1
1.2 选题目的和意义1
1.3 本设计的基本要求1
2 塑件工艺分析 3
2.1 塑件分析3
2.1.1 外形结构 3
2.1.2 精度等级 4
2.2 塑件材料分析4
2.2.1 塑件材料性能 4
2.2.2 塑件材料成型性能 4
2.3 塑件注射工艺参数4
3 模具设计方案 6
3.1 计算制件的体积和质量6
3.2 注射机型号的确定7
3.3 分型面的选择7
3.3.1 分型面的选择原则8
3.3.2 分型面的方案 8
3.4 确定型腔的排列方式9
3.5 浇注系统设计9
3.5.1 主流道设计9
3.5.3 分流道设计10
3.5.4 浇口设计12
3.5.4 冷料井设计12
3.6 型芯型腔结构设计13
3.6.1 型腔结构设计 13
3.6.2 型芯结构设计 16
3.6.3 成型零件钢材的选用 19
3.6.4 成型零件尺寸计算 19
3.6.5 成型零件加工工艺路线 20
3.7 嵌件安放22
3.8 模架选取22
3.9 侧抽机构设计23
3.9.1 侧向分型与抽芯方式23
3.9.2 抽芯距的确定24
3.9.3 斜导柱的选择24
3.9.4 滑块结构设计25
3.10 合模导向机构设计26
3.10.1 导向机构的功用26
3.10.2 导柱的设计26
3.10.3 导套的设计26