机械5

摘要 根据打印机前壳塑料制品的要求，了解塑件的用途，分析塑件的工艺性、尺寸精度等技术要求，考量塑件制件尺寸。本模具采用一模一腔，潜浇口在顶针上进料，注射机采用海天HTF780X1B型号，设置冷却系统，CAD和PRO/E绘制二维总装图和零件图，选择模具合理的加工方法。附上说明书，系统地运用简要的文字，简明的示意图和和计算等分析塑件，从而作出合理的注射模具设计。 关键字：打印机前壳；一模一腔；注射机；海天HTF780X1B；冷却系统；注射模具 Abstract Accordi
ng to the requireme
nts of the plastic products of the fro
nt shell of the pri
nter, the use of the plastic parts is u
nderstood, the tech
nological requireme
nts of the plastic parts a
nd the dime
nsio
nal precisio
n are a
nalyzed, a
nd the size of the parts of the plastic parts is measured. This mold adopts the first mock exam of a cavity i
n the submari
ne gate feed i
njectio
n machi
ne adopts the thimble, Haitia
n HTF780X1B model, set up the cooli
ng system, CAD a
nd PRO/E drawi
ng two-dime
nsio
nal assembly a
nd parts drawi
ng, choose the reaso
nable processi
ng method of mould. A brief descriptio
n, co
ncise illustratio
n a
nd calculatio
n are used to a
nalyze the plastic parts, so that a reaso
nable i
njectio
n mold desig
n ca
n be made. Keywords: pri
nter fro
nt shell; the first mock exam of a cavity; i
njectio
n machi
ne; the cooli
ng system of i
njectio
n mould; HTF780X1B; 目录 摘要I Abstract II 第一章绪论1 第二章注塑工艺分析及成型方法2 2.1打印机前壳塑件分析2 2.1.1材料分析3 2.1.2塑件的结构及成型工艺分析3 2.2材料ABS的注射成型过程及工艺参数4 2.2.1注射成型过程4 2.2.2材料ABS的注塑成型参数4 2.2.3材料ABS性能5 第三章注塑模具结构设计7 3.1拟定模具结构设计7 3.1.1分型面位置的确定7 3.1.2确定型腔数量及排列方式9 3.1.3模具结构形式的确定9 3.1.4注射机型号的确定9 3.1.5注塑机的参数较核11 3.2浇注系统、关键零部件设计12 3.2.1浇注系统形式和浇口的设计12 3.2.2成型零件设计15 模具成型零件尺寸计算17 3.2.3排气系统的设计18 3.2.4温度调节系统设计18 3.2.5脱模机构的设计21 3.3滑块的设计23 3.4模架的确定26 第四章总结30 4.1模具设计过程体会30 参考文献31 致谢33