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1 目 錄 摘 要 ...................................................1 ABSTRACT ...................................................2 1 引言 .....................................................3 2 壓鑄件結(jié)構(gòu)及工藝分析 .....................................1 2.1 任務(wù)介紹 ................................................1 2.2 壓鑄零件的分析 ..........................................1 2.3 擬定模具結(jié)構(gòu)形式 ........................................4 2.4 壓鑄工藝分析及計算 ......................................4 2.5 壓鑄機(jī)的選用 ............................................5 3 壓鑄模結(jié)構(gòu)設(shè)計 ...........................................6 3.1 模具的結(jié)構(gòu)介紹 ..........................................6 3.2 確定模具分型面 ..........................................6 3.3 澆注系統(tǒng)的設(shè)計 ..........................................7 3.3.1 內(nèi)澆口的設(shè)計 ..........................................7 3.3.2 直澆道設(shè)計 ...........................................10 3.3.3 橫澆道設(shè)計 ...........................................11 3.4 排溢系統(tǒng)的設(shè)計 .........................................13 3.4.1 溢流槽的設(shè)計 .........................................13 3.4.2 排氣道的設(shè)計 .........................................15 3.5 抽芯結(jié)構(gòu)設(shè)計 ..........................................15 電機(jī)殼體成型工藝分析及壓鑄模具設(shè)計 3.5.1 行位的設(shè)計 ...........................................15 3.6 成型零件的設(shè)計 .........................................18 3.6.1 成型零件的結(jié)構(gòu)形式 ...................................18 3.6.2 成型尺寸的確定 .......................................20 3.6.3 成型尺寸的計算 .......................................21 4 推出機(jī)構(gòu)的設(shè)計 ..........................................23 4.1 推出機(jī)構(gòu)結(jié)構(gòu)形式的選擇 ................................23 4.2 推桿的設(shè)計 ............................................23 4.3 推桿的配合 ............................................25 4.4 推出機(jī)構(gòu)其他設(shè)計 ......................................25 5 模具結(jié)構(gòu)的設(shè)計 ..........................................26 5.1 模具結(jié)構(gòu)主要結(jié)構(gòu)件的設(shè)計 ..............................26 5.2 壓鑄模的技術(shù)要求 .......................................31 6 模具溫度及冷卻系統(tǒng)的設(shè)計 ................................34 7 模具對壓鑄生產(chǎn)的影響 ....................................35 總結(jié) ......................................................44 致 謝 ....................................................45 參考文獻(xiàn) ..................................................46 1 摘 要 壓鑄是一種近終形的成形方法,具有生產(chǎn)效率高、尺寸精度高等特點(diǎn), 在制造業(yè),尤其是規(guī)模化產(chǎn)業(yè)獲得了廣泛的應(yīng)用和迅速的發(fā)展。壓鑄件, 尤其是鎂、鋁、鋅合金壓鑄件,在汽車、通訊等領(lǐng)域獲得了廣泛的應(yīng)用。 本設(shè)計主要進(jìn)行了電機(jī)殼體壓鑄模的設(shè)計。首先,對制件進(jìn)行了工藝 性分析,根據(jù)制件有長寬比例相差懸殊的特點(diǎn),采用了側(cè)澆道。其次,根 據(jù)鎖模力的計算,選擇了 DAM1113G 型臥式壓鑄機(jī);為了便于破損零部件 的更換,采用鑲拼式結(jié)構(gòu),對成型零部件進(jìn)行了詳細(xì)的設(shè)計計算;模具采 用導(dǎo)柱、導(dǎo)套實(shí)現(xiàn)導(dǎo)向,采用推桿推出制件。最后,對壓鑄機(jī)及模具的強(qiáng) 度進(jìn)行了校核,且借助 AutoCAD 和 UG、PRO/E 三維設(shè)計軟件繪制了模具的 裝配圖和實(shí)體圖。 關(guān)鍵詞:壓鑄;模具;UG:鋁合金 電機(jī)殼體成型工藝分析及壓鑄模具設(shè)計 Abstract Die casting is a near-shape processBecause of its characteristics of high efficiency and dimensional precision,it is used widely and developed rapidly in manufacturing, especially in mass-produced industriesDie castings,especially magnesium alloy, aluminum alloy, zinc alloy die castings,are used in various fields ,such as automobile and communication In the paper, a die casting die of Bracket is mainly designedFirstly,its processing properties are analyzedSide gate runner is used according the characteristics of the analysis of the length and of the width of the BracketSecondly ,die casting machine that the type is DAM1113G is selectedIn design, insert construction is used in order to replace spoiled partsThe design and calculation of molding parts are made in detailThe mold is guided by guide pillars and sleevesThe ejector pin is used to demoldThe side-core is drawn by inclined guide pillarFinally,die casting machine and mold strength are checkedThe assemble and physical drawings are finished by UG、PRO/E which is a kind of physical design software Keywords: die-casting; Mould; UG ;Aluminium alloy; 電機(jī)殼體成型工藝分析及壓鑄模具設(shè)計 電機(jī)殼體成型工藝分析及壓鑄模具設(shè)計 XXX XXXXXX 1 引言 在現(xiàn)代工業(yè)發(fā)展的進(jìn)程中,模具的地位及其重要性日益被人們所認(rèn)識。模具工業(yè) 作為進(jìn)入富裕社會的原動力之一,正推動著整個工業(yè)技術(shù)向前邁進(jìn)!模具就是“高效 益”,模具就是“現(xiàn)代化”之深刻含意,也正在為人們所理解和掌握。金屬壓鑄成型 所用的模具稱為壓鑄模,是用于成型金屬壓鑄件的模具,它是型腔模中的一種類型。 隨著機(jī)械工業(yè),尤其是汽車、摩托車工業(yè)、航空工業(yè)和儀器儀表工業(yè)