【正文】 system, the design of the ejection mechanism, the design of the moulding parts and makeup parts ,as well as some key problem in injection mould design. Such as: the calculations of the related sizes, exhausting system and temperature control system, the choices of the mould materials. And the emphases of this design is the design of the hot runner system.Besides, this thesis includes a literature summary .Keywords： rubbish bin pedestal hot runner system injector machine injection mould 目錄摘要 ..........................................................................................................................................IABSTRACT................................................................................................................................II目錄 .......................................................................................................................................III引言 .........................................................................................................................................1第一章 塑件工藝分析及模具結(jié)構(gòu)方案的確定 ...................................................................3 塑件工藝分析 ......................................................................................................................3 確定模具結(jié)構(gòu)方案 ..............................................................................................................7 選擇注塑成型設(shè)備并進(jìn)行校核 ..........................................................................................8第二章 澆注系統(tǒng)的設(shè)計(jì)和排溢系統(tǒng)的設(shè)計(jì) ......................................................................11 澆注系統(tǒng)的選定 ................................................................................................................11 排氣系統(tǒng)的設(shè)計(jì) ................................................................................................................18第三章 成型零部件尺寸的設(shè)計(jì)及校核 ..............................................................................19 塑件精度及影響因素 ........................................................................................................19 成型零部件尺寸的計(jì)算 ....................................................................................................20第四章 模具結(jié)構(gòu)設(shè)計(jì) ..........................................................................................................25 .................................................................................................................25 凹模型腔的強(qiáng)度 ................................................................................................................25第五章 推出機(jī)構(gòu)的設(shè)計(jì)及校核 ..........................................................................................29 模具對脫模機(jī)構(gòu)的要求 ....................................................................................................29 脫模力的計(jì)算 ....................................................................................................................29 脫模力的具體計(jì)算 ............................................................................................................30 推板的設(shè)計(jì) .........................................................................................................................33第六章 冷卻系統(tǒng)設(shè)計(jì) ..........................................................................................................34 冷卻系統(tǒng)的設(shè)計(jì)原則 ........................................................................................................34 冷卻系統(tǒng)的簡易計(jì)算 .........................................................................................................34 冷卻回路的確定 .................................................................................................................37第七章 模具材料的選擇 ......................................................................................................38 材料的選擇選擇原則 .........................................................................................................38 成型零件的材料選擇 .........................................................................................................38 其它模具零件材料的選擇 .................................................................................................39第八章 模具的論述與評價(jià) ..................................................................................................40 模具的動(dòng)作原理 .................................................................................................................40 模具的結(jié)構(gòu)特點(diǎn) .................................................................................................................42 模具的經(jīng)濟(jì)評價(jià) ...............................