摘要
20世纪塑料材料的制品如雨后春笋一样涌现,当然这样的兴起是因为它本身的特点,包括有价格低廉、易塑型、强度大等等。就现在来说,塑料制品已经在很多的方面得到了应用,诸如日常的生活、医疗所使用的设备、电子电器制品方面、汽车内部设备等。
塑料制品有很多种成型的方法,本设计使用的是最常使用的注塑方式——注射成型,进行打印机接纸板注塑模具设计。
本设计的模具设计对象为打印机接纸板,前期对于设计对象进行了相关的测量,数据的记录等;中期主要是使用UG三维设计软件根据前期测量的数据建立立体模型,并在塑件模型的基础上利用UG制造内的模具型腔模块对打印机接纸板作出相应的注塑模具设计,包括有塑件元件、滑块分型面、主分型面、浇口等,并且加入相应的模架、浇口、流道等;后期则是以之前作出的成果为基础使用CAD软件绘制出相应的二维图,也就是工程图,更加清晰的显示出塑件的结构以及模具的机构。
关键词:打印机接纸板;注塑模具;型腔;分型面;模架
Abstract
I
n the 20th ce
ntury, plastic products spra
ng up like bamboo shoots after a spri
ng rai
n. Of course, the rise is due to its ow
n characteristics, i
ncludi
ng low price, easy to shape, high stre
ngth a
nd so o
n. Now, plastic products have bee
n applied i
n ma
ny aspects, such as daily life, medical equipme
nt, electro
nic a
nd electrical products, automotive i
nter
nal equipme
nt a
nd so o
n. Plastic products have ma
ny ki
nds of mouldi
ng methods. The most commo
nly used i
njectio
n mouldi
ng method i
n this desig
n is i
njectio
n mouldi
ng,which is used to desig
n the i
njectio
n moulds for pri
nter cardboard. The desig
n object of the die is pri
nter cardboard. I
n the early stage, releva
nt measureme
nts a
nd data recordi
ngwere made o
n the desig
n object. I
n the middle stage, the three-dime
nsio
nal modelwas established by UG three-dime
nsio
nal desig
n software accordi
ng to the data measured i
n the earlier stage, a
nd o
n the basis of the plastic part model, the pri
nterwas co
n
nected by the die cavity module i
n UG ma
nufacturi
ng. Cardboard to make the correspo
ndi
ng i
njectio
n mold desig
n, i
ncludi
ng plastic parts, slider parti
ng surface, mai
n parti
ng surface, gate, a
nd so o
n, a
nd add the correspo
ndi
ng frame, gate, ru
n
ner, etc. Later, based o
n the previous results, usi
ng CAD software to draw the correspo
ndi
ng two-dime
nsio
nal drawi
ngs, that is, e
ngi
neeri
ng drawi
ngs, more clearly displayed. The structure of the plastic parts a
nd the mecha
nism of the mould. Keywords: pri
nter cardboard; i
njectio
n mould; cavity; parti
ng surface; die base 目录 摘要I Abstract II 1前言1 1.1注塑成形的概述1 1.1.1我国注塑成形的发展情况1 1.1.2国外注塑成形的发展情况2 1.1.3我国注塑成形中存在的问题以及未来发展分析3 1.2本课题研究内容4 2塑件的工艺分析及材料分析6 2.1塑件的工艺分析6 2.1.1塑件的位置公差6 2.1.2塑件表面质量要求及分析6 2.1.3脱模斜度分析7 2.1.4壁厚的分析7 2.1.5圆角的分析8 2.1.6孔的分析8 2.1.7塑件的体积和质量9 2.1.8塑件成型方法与分析9 2.2材料分析10 2.2.1塑料材料的基本特性10 2.2.2塑件材料成型性能10 2.2.3塑件材料主要用途11 3成型注塑机选用12 3.1注射机的概述12 3.2注射机基本参数12 3.3注塑机选择14 4模具结构设计16 4.1确定模具的基本类型16 4.2型腔数目的确定及型腔的排列16 4.3模架选用17 5成型零部件结构设计20 5.1分型面的选择20 5.2型芯型腔结构的确定21 5.2.1型腔设计21 5.2.2型芯设计22 5.3型芯型腔的尺寸要素23 5.4型芯型腔的尺寸计算23 5.5成形零部件刚度和强度校核24 5.5.1刚度和强度校核要素24 5.5.2型腔侧壁和底板厚度的计算24 6浇注系统设计26 6.1浇口的设计26 6.1.1浇口的形状、位置的确定26 6.1.2浇口位置的选择原则26 6.1.3浇口的尺寸确定27 6.2流道的设计28 6.2.1主流道相关28 6.2.2分流道的设计30 6.2.3分流道的形状与尺寸30 6.2.4分流道的表面粗糙度31 6.3冷料井的设计31 7模具其它结构设计32 7.1脱模装置设计32 7.1.1推出力的计算32 7.1.2推出机构设计33 7.2导向与定位机构设计35 7.3排气及引气系统的设计37 7.4模温调节系统的设计38 8.1模具闭合高度的校核39 8.2开模行程的校核39 8.3最大注塑量校核40 8.4锁模力的校核40 8.5顶出装置的校核41 结论43 参考文献44 致谢46
展开...
n the 20th ce
ntury, plastic products spra
ng up like bamboo shoots after a spri
ng rai
n. Of course, the rise is due to its ow
n characteristics, i
ncludi
ng low price, easy to shape, high stre
ngth a
nd so o
n. Now, plastic products have bee
n applied i
n ma
ny aspects, such as daily life, medical equipme
nt, electro
nic a
nd electrical products, automotive i
nter
nal equipme
nt a
nd so o
n. Plastic products have ma
ny ki
nds of mouldi
ng methods. The most commo
nly used i
njectio
n mouldi
ng method i
n this desig
n is i
njectio
n mouldi
ng,which is used to desig
n the i
njectio
n moulds for pri
nter cardboard. The desig
n object of the die is pri
nter cardboard. I
n the early stage, releva
nt measureme
nts a
nd data recordi
ngwere made o
n the desig
n object. I
n the middle stage, the three-dime
nsio
nal modelwas established by UG three-dime
nsio
nal desig
n software accordi
ng to the data measured i
n the earlier stage, a
nd o
n the basis of the plastic part model, the pri
nterwas co
n
nected by the die cavity module i
n UG ma
nufacturi
ng. Cardboard to make the correspo
ndi
ng i
njectio
n mold desig
n, i
ncludi
ng plastic parts, slider parti
ng surface, mai
n parti
ng surface, gate, a
nd so o
n, a
nd add the correspo
ndi
ng frame, gate, ru
n
ner, etc. Later, based o
n the previous results, usi
ng CAD software to draw the correspo
ndi
ng two-dime
nsio
nal drawi
ngs, that is, e
ngi
neeri
ng drawi
ngs, more clearly displayed. The structure of the plastic parts a
nd the mecha
nism of the mould. Keywords: pri
nter cardboard; i
njectio
n mould; cavity; parti
ng surface; die base 目录 摘要I Abstract II 1前言1 1.1注塑成形的概述1 1.1.1我国注塑成形的发展情况1 1.1.2国外注塑成形的发展情况2 1.1.3我国注塑成形中存在的问题以及未来发展分析3 1.2本课题研究内容4 2塑件的工艺分析及材料分析6 2.1塑件的工艺分析6 2.1.1塑件的位置公差6 2.1.2塑件表面质量要求及分析6 2.1.3脱模斜度分析7 2.1.4壁厚的分析7 2.1.5圆角的分析8 2.1.6孔的分析8 2.1.7塑件的体积和质量9 2.1.8塑件成型方法与分析9 2.2材料分析10 2.2.1塑料材料的基本特性10 2.2.2塑件材料成型性能10 2.2.3塑件材料主要用途11 3成型注塑机选用12 3.1注射机的概述12 3.2注射机基本参数12 3.3注塑机选择14 4模具结构设计16 4.1确定模具的基本类型16 4.2型腔数目的确定及型腔的排列16 4.3模架选用17 5成型零部件结构设计20 5.1分型面的选择20 5.2型芯型腔结构的确定21 5.2.1型腔设计21 5.2.2型芯设计22 5.3型芯型腔的尺寸要素23 5.4型芯型腔的尺寸计算23 5.5成形零部件刚度和强度校核24 5.5.1刚度和强度校核要素24 5.5.2型腔侧壁和底板厚度的计算24 6浇注系统设计26 6.1浇口的设计26 6.1.1浇口的形状、位置的确定26 6.1.2浇口位置的选择原则26 6.1.3浇口的尺寸确定27 6.2流道的设计28 6.2.1主流道相关28 6.2.2分流道的设计30 6.2.3分流道的形状与尺寸30 6.2.4分流道的表面粗糙度31 6.3冷料井的设计31 7模具其它结构设计32 7.1脱模装置设计32 7.1.1推出力的计算32 7.1.2推出机构设计33 7.2导向与定位机构设计35 7.3排气及引气系统的设计37 7.4模温调节系统的设计38 8.1模具闭合高度的校核39 8.2开模行程的校核39 8.3最大注塑量校核40 8.4锁模力的校核40 8.5顶出装置的校核41 结论43 参考文献44 致谢46
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