机械5

脸盆注塑模具设计 摘要 本阐述了脸盆注塑成型的基本原理。另外，根据塑料原件，浇注系统，冷却系统和推出机构进行了设计。设计成型零部件及推出机构和复位机构。并且，对各个零件的选材，热处理，加工工艺等进行了分析与确定。根据塑料件的形状，尺寸，设计合理的注塑模具结构，对塑料件的体积，质量进行计算，来验证注塑机是否满足使用要求。对于模具的高度，尺寸，模具的最大闭合高度，来验证注塑机的各项参数，从而合理的选用注塑机。对于设计过程中，要尽可能的使模具制造成本低，达到既实用又经济。现如今，塑件产品，越来越被广大用户认可，因其良好地性能，使塑料制品走进了生活的各个领域之中。 关键词:脸盆注塑;浇注系统;冷却系统；推出机构；注塑模具 Abstract I
n this paper, the basic pri
nciple of i
njectio
n mouldi
ng ofwashbasi
n is expou
nded. I
n additio
n, accordi
ng to the plastic parts, pouri
ng system, cooli
ng system a
nd push-out mecha
nismwere desig
ned. Desig
n formi
ng parts a
nd push-out mecha
nism a
nd reset mecha
nism. I
n additio
n, the material selectio
n, heat treatme
nt a
nd processi
ng tech
nology of each part are a
nalyzed a
nd determi
ned. Accordi
ng to the shape a
nd size of plastic parts, reaso
nable i
njectio
n mold structure is desig
ned, a
nd thevolume a
nd quality of plastic parts are calculated toverifywhether the i
njectio
n machi
ne meets the applicatio
n requireme
nts. For the height, dime
nsio
n a
nd the maximum closi
ng height of the mould, the parameters of the i
njectio
n machi
ne areverified, so that the i
njectio
n machi
ne ca
n be selected reaso
nably. For the desig
n process,we should try our best to make the cost of die ma
nufacturi
ng low, to achieve both practical a
nd eco
nomic. Nowadays, plastic products are more a
nd more recog
nized by the majority of users. Because of their good performa
nce, plastic products have e
ntered all areas of life. Keywords: basi
n i
njectio
n moldi
ng; pouri
ng system; cooli
ng system; pushi
ng mecha
nism; i
njectio
n mould 目录 摘要1 Abstract 2 1引言1 2塑件分析2 2.1塑件几何形状分析： 2 2.2塑料原材料成型特性分析2 2.3塑件的结构分析3 2.3.1塑件的主要尺寸见图3 2.3.2塑件表面质量分析4 2.3.3塑件结构工艺性分析4 2.4塑件的生产批量4 2.5注塑设备的选择4 2.5.1计算塑件体积4 2.5.2根据塑件本身的几何形状及生产批量确定型腔数目4 2.5.3确定注射成型的工艺参数5 2.5.4确定模具温度及冷却方式5 2.6初选注射机5 3浇注系统的设计7 3.1分型面的选择7 3.2浇注系统的设计8 3.3主流到和定位圈的设计8 3.4浇口的设计10 3.5冷料穴的设计10 4模具设计方案的设计11 4.1成型零件的结构确定11 4.2导向定位机构的设计11 4.3推出机构的设计12 5主要零部件的设计计算13 6成型设备的校核计算14 6.1最大注射压力校核14 6.2最大注射量校核14 6.3锁模力的校核15 6.4模具开模型程的校核15 7绘制模具装配图16 8小结18 参考文献19