畢 業(yè) 設(shè) 計 說 明 書 畢業(yè)設(shè)計題目:罩塑料成型工藝及模具設(shè)計系 部專 業(yè)班 級學(xué)生姓名學(xué) 號指導(dǎo)教師畢業(yè)設(shè)計任務(wù)書系 部: 材料工程系 專 業(yè): 模具設(shè)計與制造 學(xué) 生 姓 名 : 設(shè)計題目: 罩塑料成型工藝及模具設(shè)計 起 迄 日 期: 指 導(dǎo) 教 師: 發(fā)任務(wù)書日期: 年 3 月 11 日畢 業(yè) 設(shè) 計(論 文)任 務(wù) 書1.本畢業(yè)設(shè)計(論文)課題來源及應(yīng)達(dá)到的目的:該課題來源于企業(yè)實際生產(chǎn)。在完成該課題之后,應(yīng)對注塑工藝生產(chǎn)較為熟悉,能熟練掌握相關(guān)設(shè)計手冊的使用,能獨立完成一套模具的設(shè)計及模具工作零件加工工藝的編制,能夠運用模具設(shè)計軟件完成模具裝配圖及零件圖的繪制。2.本畢業(yè)設(shè)計課題任務(wù)的內(nèi)容和要求(包括原始數(shù)據(jù)、技術(shù)要求、工作要求等): 孔25.3-1R.70.1-+52643A8題目:罩注塑模具計計與制造 任務(wù):(1)了解目前國內(nèi)外塑料模具的發(fā)展現(xiàn)狀;(2)塑件的結(jié)構(gòu)工藝分析;(3)塑料罩注塑模設(shè)計,并編寫設(shè)計說明書一份;(4)繪制模具總裝圖一張,并畫出非標(biāo)準(zhǔn)零件的零件圖;原始資料:塑件圖及其尺寸見說明書,材料:灰色改性聚苯乙烯生產(chǎn)批量:大批量所在專業(yè)審查意見:負(fù)責(zé)人: 年 月 日系部意見:系領(lǐng)導(dǎo): 年 月 日罩塑料成型工藝及模具設(shè)計摘 要:本設(shè)計題目為罩的注塑模設(shè)計,體現(xiàn)了殼體類塑料零件的設(shè)計要求、內(nèi)容及方向,有一定的設(shè)計意義。通過對該零件模具的設(shè)計,進(jìn)一步加強(qiáng)了設(shè)計者注塑模設(shè)計的基礎(chǔ)知識,為設(shè)計更復(fù)雜的注塑模具做好了鋪墊和吸取了更深刻的經(jīng)驗。系統(tǒng)介紹了塑件的成形工藝及模具成型結(jié)構(gòu)對塑件質(zhì)量的影響分析,澆注系統(tǒng)的設(shè)計,模具成型部分和總裝結(jié)構(gòu)的設(shè)計。介紹了罩注塑模具設(shè)計時要注意的要點,并較多的考慮了模具結(jié)構(gòu)的調(diào)整性、易更換性及模具成本。從控制制件尺寸精度出發(fā),對罩注塑模的各主要尺寸進(jìn)行了理論計算,以確定各工作零件的尺寸,從模具設(shè)計到零部件的加工工藝以及裝配工藝等進(jìn)行詳細(xì)的闡述,并應(yīng)用 CAD 進(jìn)行各重要零件的設(shè)計。本塑件屬于外殼體類零件,形狀簡單,無側(cè)抽芯結(jié)構(gòu),相對應(yīng)的模具結(jié)構(gòu)也不復(fù)雜。關(guān)鍵詞:工藝分析;塑件成型;澆注系統(tǒng);模具結(jié)構(gòu);The plastic forming and die designing of coverAbstract:The requirement, content and direction of the design of the shell plastic parts are embodied on this injection mould design of the plastic parts of encloser. The designer’s foundation knowledge of the injection mould design is reinforced and is able to design more complex injection mould through the design. The molding process of plastic parts, the effect analysis to plastic parts quality caused by molding structure, as well as the casting system design, partial and general design of mold moulding introduced respectively. The critical points of mold for plastic design are introduced, and the adjustable character of molding structure、exchange character as well as the molding costs are all considered farther. Starting from controlling dimensional accuracy, the carry the cover to the main dimensions of injection molding are carried out so as to determine the size of different parts, the molding design and the process of parts as well as assembling process and etc of injection molding are stated in details.The part is a plastic part of head cover, and has the simple shape,no need to draw the core out of the side wall,for the modle,has the simple structure,too.Key words: process analysis; plastic parts moulding; casting system; molding structure;