机械5

壳体、多格盒的注塑模设计 摘要 本文介绍了多格盒注塑模具的设计过程。本设计对塑件在模具中的位置和分型面位置、选择浇注系统与排气系统、成型零件的结构、合模导向机构、推出机构、温度调节系统的设计方案做了充分的论证，并优化选取最合理的设计方案。本模具采用整体式，简化了模具结构。通过对型芯支承板和型腔板的计算，保证了模具的正常使用，优化了模具的结构设计，使得模具结构紧凑。 关键词：注射模；挤出模；；浇口套；排气槽；分型面；推杆。 Abstract This text i
ntroduced the mould desig
n process of the shells.Determi
ni
ng the plastic part i
n mould a
nd selectio
n of the parti
ng li
ne,the feed a
nd ru
n
ner system desig
n,the core/cavitycreatio
n structure desig
n,the guide pi
n a
nd guide bush,the plastic ejector structure,exter
nal u
ndercuts a
nd cooli
ng a
nd ejectio
n system desig
ni
ng,theyall be a
nalyzed i
n this text,a
nd choose the best desig
n.With the hole i
n the side of product dealwith A
ngle Pi
n,if the hole oblique,make the use of tilted detrusio
n straight,so the structure of the mouldwill be simplify.Bythe caculate of the cavityplate a
nd backi
ng plate,make the mould usedworki
ng order,optimized the mould structure,make the mould structure compact.A
ndwe has demo
nstrated the structure of the mould i
n the desig
n of the blowmould,such as the form of k
nife edge a
nd the cooli
ng system.We has compared the form of the co-extrusio
n mould,a
ndwe has selected the type of the co-extrusio
n machi
ne accord the
need of the produci
ng co
ndictio
n of the product. Keywords: i
njectio
n mould; processi
ng tech
nology;sprue bush;airve
nt;parti
ng li
ne;ejector pi
n. 目录 绪论1 1模塑工艺规程的编制3 1.1塑件的工艺性分析3 1.2计算塑件的体积和质量5 1.3塑件注塑工艺参数的确定：6 2注塑模的结构设计7 2.1分型面的设计7 2.2模腔数量的确定7 2.3浇注系统设计：9 2.4分流道设计：10 2.5浇口设计：11 2.6拉料杆的设计：11 2.7成型零件结构设计：11 3模具设计的有关计算13 3.1型芯和型腔的工作尺寸计算13 3.2型腔侧壁厚度计算14 4模具加热与冷却系统的计算16 4.1计算热流量：16 4.2冷却水的体积流量V 16 5导向与定位机构计算18 6脱模机构设计19 6.1脱模力计算19 6.2推件板厚度计算19 7模具闭合高度的确定及标准模架的选取20 7.1计算模具的闭合高度20 8注塑机有关参数的校核23 8.1模具合模时校核23 8.2模具开模时校核23 9注塑模具的试模24 9.1模具安装24 9.2试模24 10模具总装图和非标准零件工作图27 11注塑模主要零件加工工艺规程的编制28 致谢29 参考文献………………………………………………………………30