摘要 本次设计的题目是：公牛插座底盖注射模。本次设计主要是通过对塑件的形状、尺寸及其精度的要求来进行注射成型工艺的可行性分析。塑件的成型工艺性主要包括塑件的壁厚，斜度和圆角以及是否有抽芯机构。通过以上的分析来确定模具分型面、型腔数目、浇口形式、位置大小；其中最重要的是确定型芯和型腔的结构，例如是采用整体式还是镶拼式，以及它们的定位和固紧方式。此外还分析了模具受力，脱模机构的设计，合模导向机构的设计，冷却系统的设计等。最后绘制完整的模具装配总图和主要的模具零件图。 关键词：插座底盖；注射模；分型面；型腔；浇口；型芯；冷却系统 Abstract The title of this desig
n is: Bull socket bottom cover i
njectio
n mold. This desig
n is mai
nly through the shape of plastic parts, size a
nd precisio
n requireme
nts for i
njectio
n moldi
ng process feasibility a
nalysis. The moldi
ng process of plastic parts mai
nly i
ncludeswall thick
ness, slope a
nd fillet, a
ndwhether there is a core pulli
ng mecha
nism. Through the above a
nalysis to determi
ne the mold parti
ng surface, cavity
number, gate form, locatio
n size; the most importa
nt thi
ng is to determi
ne the core a
nd cavity structure, such as the use of i
ntegrated or mosaic, a
nd their positio
ni
ng a
nd faste
ni
ng mode. I
n additio
n, the force of the die, the desig
n of the demouldi
ng mecha
nism, the desig
n of the clampi
ng a
nd guidi
ng mecha
nism a
nd the desig
n of the cooli
ng system are a
nalyzed. Fi
nally, draw up a complete die assembly pla
n a
nd mai
n parts drawi
ng. Keywords: socket bottom cover; i
njectio
n mold; parti
ng surface; cavity; gate; core; cooli
ng system 目录 摘要I Abstract II 前言1 1塑件的工艺性分析3 1.1塑件的原材料工艺性分析4 1.2注塑模工艺条件4 1.3确定成型工艺条件5 2注塑机的选择6 2.1计算塑件的体积和重量6 2.2确定注塑成型体积7 2.3注塑机基本参数7 2.3.1注塑机概况7 2.3.2注塑机的分类7 2.3.3注塑机型号7 2.4注塑机的校核8 2.4.1注射量的校核8 2.4.2锁模力的校核8 2.4.3注射机安装模具部分的尺寸校核9 3成型零件尺寸的计算9 3.1型腔尺寸计算11 3.2型芯尺寸计算12 4模具结构设计14 4.1分型面的选择14 4.2浇注系统15 4.2.1浇口套的选用15 4.2.2分流道的布置16 4.2.3浇口的设计17 4.2.4冷料的穴设计18 4.2.5浇口套及定位圈的设计18 4.3脱模机构与合模导向结构设计19 4.3.1脱模结构设计19 4.3.2合模导向机构的设计20 4.4模架的选用21 4.5温度系统与排气系统的设计22 4.5.1排气系统的设计22 4.5.2温度控制系统的设计23 4.6模具总装图的绘制25 总结27 致谢27 参考文献28