【正文】 method and processes of the plastics mould have been described. In design, some parts of plastics mould have been designed, such as: injecting system, temperaturecontrol system, director, joint face, pushing off system, mould unloading system, air evacuation groove. And material function of the plastic piece has been analysized. Keywords: Three links pipeline, Injection mould, director , joint face , stripping , drive out. 摘 要 .................................................................................................................................................... 2 ABSTRACT ............................................................................................................................................... 3 第一章 引言 .............................................................................................................................................. 5 模具在加工工業(yè)中的地位 ....................................................................................................... 5 模具的發(fā)展趨勢(shì) ....................................................................................................................... 5 研究?jī)?nèi)容 ...................................................................................................................................... 6 第二章 工藝方案分析 .............................................................................................................................. 7 塑件分析 ..................................................................................................................................... 7 材料特征 ..................................................................................................................................... 7 第三章 注射機(jī)的選擇及校核 .................................................................................................................. 9 注射機(jī)的選擇 .............................................................................................................................. 9 型腔數(shù)目的確定及校核 ............................................................................................................ 10 鎖模力的校核 ..........................................................................................................................11 開模行程的校核 ..................................................................................................................... 12 第四章 Moldflow 模流分析 ................................................................................................................... 13 網(wǎng)格劃分及診斷修復(fù) ............................................................................................................... 13 最佳澆口位置分析 ................................................................................................................... 14 澆注方案的設(shè)計(jì) ....................................................................................................................... 14 不同澆注方案的 Moldflow 流變分析結(jié)果及其比較 ............................................................... 15 設(shè)計(jì)方案的選定 ..................................................................................................................... 21 澆注系統(tǒng)的設(shè)計(jì) ..................................................................................................................... 21 分型面的選擇 .............................................................................................................. 21 主流道的設(shè)計(jì) ................................................................................................................ 22 主流道襯套的設(shè)計(jì) ...................................................................................................... 22 分流道的設(shè)計(jì) .............................................................................................................. 23 澆口的設(shè)計(jì) .................................................................................................................. 23 拉料桿和冷料穴設(shè)計(jì) ..................................................................................................... 24 排氣系統(tǒng)的設(shè)計(jì) ............................................................................................................. 24 第五章 模架的選擇 ................................................................................................................................ 25 第 六章 成型零部件的設(shè)計(jì) .................................................................................................................... 25 側(cè)向分型及抽芯機(jī)構(gòu)的設(shè)計(jì) .................................................................................................... 25 斜導(dǎo)柱的結(jié)構(gòu)形式 .................................................................................................................... 26 楔緊塊的設(shè)計(jì) ........................................................................................................................... 28 側(cè)滑塊設(shè)計(jì) ................................................................................................................................ 28 滑塊的導(dǎo)滑槽設(shè)計(jì) ................................................................................................................... 29 定位裝置設(shè)計(jì) ............................................................................................................................ 29 推出機(jī)構(gòu) .................................................................................................................................... 29 第七章 溫度調(diào)節(jié)系統(tǒng) ............................................................................................................................ 30 冷卻水道的結(jié)構(gòu)設(shè)計(jì) ............................................................................................................... 30 第八章 總裝配圖 .................................................................................................................................... 31 第九章 設(shè)計(jì)總結(jié) .......................................................................................................