机械5

摘要 在人们的日常生活中，塑料产品的应用随处可见，大到我们家用的冰箱，洗衣机，小到家庭用筷子和碗。都有塑料模具的影子。本以DVD外壳面板为原型进行塑料模具的设计，包括其材料成型工艺的分析，分型面的选择，浇筑系统的设计，以及最后的注塑机的校核计算和注射量的计算等等，本文采用自上而下的模具设计方法，通过理论联系实际的工作方法，设计出合理的DVD外壳面板注塑模具。 本文设计的内容就是DVD外壳面板注塑模具，材料为ABS，根据其结构形状特点以及通过对DVD外壳面板成型工艺的正确分析，同时本文对注塑模具进行简要介绍，对注塑模具中的主要零件进行设计计算，在设计过程中着重考虑其生产实际中的经济性和合理性。 关键词：塑料模具，注射成型，分型面 Abstract Plastic moldi
ng products are plastic as the mai
n structural material. The processi
ng of products.Referred to as the plastic parts.plastic moldi
ng products arewidely used.Especially i
n the electro
nic i
nstrume
nt electrical equipme
nt,commu
nicatio
n tools,etc to obtai
n a large
number of applicatio
ns. such as all ki
nds of stress are shell ste
nts structure decoratio
n.Based process equipme
nt as the mai
n productio
n of plastic products of plastic mold.occupies a
n importa
nt positio
n i
n
natio
nal eco
nomy mould tech
nology has also become to plastic moldi
ng is a
n importa
nt method.it is mai
nly suitable for thermoplastic moldi
ng.a
nd ca
n be a complicated shape of precisio
n plastic formi
ng parts is the adsl surface shell as a desig
n model.This paperwill be i
njectio
n mold related k
nowledge as the basis.the overall desig
n process of plastic i
njectio
n mould are expou
nded. Desig
n the co
nte
nt of this article is shell of plastic i
njectio
n mould,materials for ABS.Accordi
ng to the shape of the structure characteristics a
nd through the a
nalysis of the right across the shell moldi
ng process,determi
ne the overall distributio
n of cavity choose the parti
ng surface determi
ne the demouldi
ngway.The desig
n of gati
ng system,etc. Keywords：Plastic mold；i
njectio
n moldi
ng；the parti
ng surface 目录 摘要I Abstract II 1绪论1 1.1我国模具行业的发展方向和前景1 1.2注塑模具设计与制造技术2 2塑件3D建模及注射成型工艺分析9 2.1塑件的3D模型11 2.2塑件的注射成型工艺性分析13 2.3注塑机15 3模具结构设计16 3.1型腔数目的确定16 3.2分型面的确定17 3.3浇口的确定17 3.4模具材料的确定17 3.5浇注系统的设计18 3.6成型零件结构设计20 3.7抽芯结构设计20 3.8模架的选用21 3.9导向机构的设计21 3.10顶出机构的设计22 3.11排气设计22 3.12温度调节系统设计23 4注射机的校核23 4.1最大注塑量的校核23 4.2锁模力的校核23 4.3模具外形尺寸校核24 4.4模具厚度校核25 总结26 致谢27 参考文献28