机械5

某产品上盖注塑模具设计 摘要 本文主要介绍了对塑料模具的发展，塑料模具设计原则，塑料模具生产实践流程的概括，并且以某产品上盖塑料件为例，详细介绍了产品上盖塑料模具的设计生产流程，其中包括对塑料件工艺性能的分析，模具设计中所设计的计算校核，模具设计中各零件的配合精度，包括了型芯型腔的设计、浇注系统设计、分型面的选择、侧抽芯机构的设计、推出复位机构设计、冷却水道的设计等。且通过CAD与UG完成上盖产品注塑模的图纸设计要求。 关键词：塑料模具；产品上盖；侧向抽芯；浇注系统。 Abstract This paper mai
nly i
ntroduces the developme
nt of plastic mold, the pri
nciple of plastic mold desig
n a
nd the practical process of plastic mold productio
n. Taki
ng the plastic part of a product as a
n example, the desig
n a
nd productio
n process of the plastic mold of a product is i
ntroduced i
n detail, i
ncludi
ng the a
nalysis of the tech
nological capability of the plastic part, the calculatio
n a
ndverificatio
n of the desig
n i
n the mold desig
n, a
nd the fi
ne coordi
natio
n of the parts i
n the mold desig
n Degree, i
ncludi
ng the desig
n of the core cavity, the desig
n of the pouri
ng system, the selectio
n of the parti
ng surface, the desig
n of the side core pulli
ng mecha
nism, the desig
n of the push out reset mecha
nism, the desig
n of the cooli
ngwater cha
n
nel, etc. A
nd through CAD a
nd UG to complete the drawi
ng desig
n requireme
nts of the upper cover product i
njectio
n mold. Keywords: Plastic mold; product cover; side core pulli
ng; pouri
ng system. 目录 摘要1 Abstract 2 1前言5 1.1课题背景5 1.2模具技术国内外发展现状6 1.3课题分析7 2塑件分析8 2.1产品分析及其技术条件8 2.2塑件材料的选取8 2.3材料工艺性能分析8 3成型布局及注塑机选择9 3.1浇口的选定9 3.2型腔数目选定与排布9 3.3估算塑件体积质量10 3.4注塑机的选取与校核10 4注塑模具设计13 4.1模架的选用13 4.2浇注系统的设计13 4.2.1主流道设计13 4.2.2分流道的设计13 4.2.3浇口的设计14 4.2.4冷料穴的设计14 4.3分型面的设计14 4.4成型零部件的设计15 4.6脱模及推出机构17 4.7冷却系统的设计与计算17 4.8排气结构设计18 5模具三维及二维图20 6结语21 致谢22 参考文献23