【正文】 and cooling process analysis, forecasting the critical condition for defects, process plan and process parameters were optimized, the possibility of reducing the defects in the. By using the method of parametric solid modeling, provides a feasible solution for more rapid, efficient design, production. Keywords: the mouse, the upper cover, plastic, injection mold, Solidworks, Autodesk Moldflow 目錄 緒論 ....................................................................................................................... 1 1. 鼠標(biāo)上蓋結(jié)構(gòu)及成型工藝分析與建立模型 ................................................. 1 我國(guó)塑料模具工業(yè)的現(xiàn)狀 ................................................................... 1 注塑模具計(jì)算機(jī)輔助設(shè)計(jì)、輔助工程與輔助制造 ............................. 1 CAD/CAM/CAE對(duì)模具設(shè)計(jì)的作用及意義 ................................. 1 Solidworks簡(jiǎn)介 ....................................................................... 2 SurfaceWorks簡(jiǎn)介 ................................................................... 2 Imold模具設(shè)計(jì)軟件簡(jiǎn)介 ......................................................... 3 課題研究的目的 ..................................................................................... 3 2. 模具結(jié)構(gòu)設(shè)計(jì) ................................................................................................. 3 塑件結(jié)構(gòu)分析 .......................................................................................... 3 塑件成型工藝分析 ................................................................................. 4 ABS的性能分析 ......................................................................... 4 ABS的注射成型過(guò)程及工藝參數(shù) ............................................. 4 Magic Mouse上蓋外殼建立模型 ............................................. 5 分型面的選擇 ......................................................................................... 6 型腔數(shù)量的確定 ..................................................................................... 7 成型零件的設(shè)計(jì) ..................................................................................... 8 注塑機(jī)的選擇和校核 ............................................................................. 9 注射量的計(jì)算 .............................................................................. 9 澆注系統(tǒng)凝料體積的初步估算 .................................................. 9 選擇注塑機(jī) ................................................................................ 10 注塑機(jī)相關(guān)參數(shù)的校核 ............................................................ 10 3. MOLDFLOW 分析最佳注塑點(diǎn) .......................................................................... 11 4. 澆注系統(tǒng)的設(shè) 計(jì)和計(jì)算 ............................................................................... 12 主流道的設(shè)計(jì) ....................................................................................... 12 分流道的設(shè)計(jì) ....................................................................................... 12 澆口的設(shè)計(jì) ........................................................................................... 13 校核主流道的剪切速率 ....................................................................... 14 冷料穴的設(shè)計(jì) ....................................................................................... 15 5. 冷卻系統(tǒng)的設(shè)計(jì) ........................................................................................... 15 冷卻介質(zhì) ............................................................................................... 15 冷卻系統(tǒng)的簡(jiǎn)單計(jì)算 ........................................................................... 15 冷卻水路的設(shè)計(jì) ................................................................................. 17 6. 模架的選擇與導(dǎo)向結(jié)構(gòu)設(shè)計(jì) ....................................................................... 18 各模板尺寸的確定 ............................................................................. 18 模架各尺寸的校核 ............................................................................. 18 導(dǎo)向結(jié)構(gòu)設(shè)計(jì) ...................................................................................... 19 7. 脫模推出機(jī)構(gòu)及排氣槽的設(shè)計(jì) ................................................................... 19 脫模機(jī)構(gòu)設(shè)計(jì)原則 ............................................................................. 19 推出機(jī)構(gòu)的設(shè)計(jì) ................................................................................. 19 推出方式的確定 ...................................................................... 19 推桿的布置 .............................................................................. 19 脫模力的計(jì)算 ..................................................................................... 20 推桿的直徑計(jì)算及強(qiáng)度校核 ............................................................. 21 推出機(jī)構(gòu)的復(fù)位 .................................................................................. 21 排氣槽的設(shè)計(jì) ..................................................................................... 21 8. 模具的安裝 ................................................................................................... 22 總結(jié) ..................................................................................................................... 24 參考文獻(xiàn) ............................................................................................................. 25 致謝 ..................................................................................................................... 26 1 緒論 1. 鼠標(biāo)上蓋結(jié)構(gòu)及成型工藝分析與建立模型 我國(guó)塑料模具工業(yè)的現(xiàn)狀 模具工業(yè)的發(fā)展，己成為制造業(yè)中科技含量增長(zhǎng)最快的行業(yè)之一。 鼠標(biāo)上蓋的注塑模具設(shè)計(jì) 摘要 本課題采用 Solidworks 軟件對(duì)鼠標(biāo)上蓋制品及模具進(jìn)行了三維造型，采用了 Solidworks 三維制圖軟件中的 Imold 注塑模設(shè)計(jì)模塊，通過(guò)對(duì)塑件的分析計(jì)算，完成對(duì)鼠標(biāo)上蓋注塑模的設(shè)計(jì)，并生成模具總裝圖和爆炸圖。盡管受到全球金融危機(jī)的影響， 2022 年中國(guó)模具銷售額仍達(dá)到 980 億元人民幣，模具出口額連續(xù)兩年在 19 億美元左右，有些產(chǎn)品已接近或達(dá)到國(guó)際水平，中國(guó)模具工業(yè)仍保持增長(zhǎng)態(tài)勢(shì)；中國(guó)模具進(jìn)口在連續(xù) 4 年 20 億美元后 2022 仍保持 億美元 ,國(guó)內(nèi)需求旺盛。隨著模具企業(yè)產(chǎn)業(yè)鏈的延伸，采購(gòu)精密塑料機(jī)械、數(shù)控鍛壓設(shè)備也逐年增加。 2022 年累計(jì)完成工業(yè)總產(chǎn)值 億元，占輕工行業(yè)總產(chǎn)值的 %，產(chǎn)值總額在輕工 19 個(gè)主要行業(yè)中位居第三；實(shí)現(xiàn)產(chǎn)品銷售率 %，高于輕工行業(yè)平均水平。 我國(guó)塑料模具工業(yè)經(jīng)過(guò)了半個(gè)多世紀(jì)的迅速發(fā)展，無(wú)論是模具的設(shè)計(jì)水平、加工制造技術(shù)還是 CAD技術(shù)，都已有了相當(dāng)規(guī)模的開發(fā)和應(yīng)用，但與發(fā)達(dá)國(guó)家相比，仍有不小的差距，例如專用塑料模具鋼品種少，模具標(biāo)準(zhǔn)化程度不高，獨(dú)立的模具工廠少，專業(yè)與柔性化相結(jié)合尚無(wú)規(guī)劃等等。 我