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摘要 隨著現(xiàn)代制造技術(shù)的迅速發(fā)展 計(jì)算機(jī)技術(shù)的應(yīng)用 在工業(yè)生產(chǎn)中 模具已成為生產(chǎn)各種工業(yè)產(chǎn)品不可缺少的重要工藝裝備 特別是在塑料 產(chǎn)品的生產(chǎn)過程中 塑料模具的應(yīng)用及其廣泛 在各類模具中的地位也 越來(lái)越突出 其中廢紙簍的模具設(shè)計(jì)也成為具有代表意義的模具之一 市場(chǎng)上也的廢紙簍形狀 功能各異 有卡通版的 家具版的 這些都可 以吸引顧客的目光 引起顧客的購(gòu)買欲 此次設(shè)計(jì)的廢紙簍結(jié)構(gòu)較簡(jiǎn)單 但在設(shè)計(jì)時(shí)考慮其應(yīng)用 還相應(yīng)地做了些曲面 所以曲面的結(jié)構(gòu)較多 計(jì)算也較多 本次設(shè)計(jì)闡述了模具 CAD CAE 的技術(shù)特點(diǎn)以及先進(jìn)制造 模式在模具行業(yè)中的應(yīng)用 在進(jìn)行注塑模設(shè)計(jì)時(shí) 可以方便 準(zhǔn)確 快 速地查詢和計(jì)算出所有設(shè)計(jì)參數(shù) 它是模具設(shè)計(jì)智能化 快速化的重要 技術(shù)手段 塑料是 20 世紀(jì)發(fā)展起來(lái)的新興材料 由于應(yīng)用廣泛已替代部分金 屬 木材 皮革及其硅酸鹽等自然材料 成為現(xiàn)代工業(yè)和生活中不可缺 少的一種人造化學(xué)合成材料 并與木材 金屬 硅酸鹽三種傳統(tǒng)材料一 起 成為現(xiàn)代工業(yè)生產(chǎn)中四種重要的原材料之一 而注塑模是其中發(fā)展 較快的種類 它是隨著石油工業(yè)的發(fā)展而應(yīng)而生的 目前塑料制件幾乎 已經(jīng)進(jìn)入一切工業(yè)部門以及人民日常生活的各個(gè)領(lǐng)域 隨著機(jī)械工業(yè)電 子工業(yè) 航空工業(yè) 儀器儀表工業(yè)和日常用品工業(yè)的發(fā)展 塑料成型制 件的需求量越來(lái)越多 質(zhì)量要求也越來(lái)越高 這就要求成型塑件的模具 的開發(fā) 設(shè)計(jì)制造的水平也須越來(lái)越高 因此 研究注塑模具對(duì)了解塑 料產(chǎn)品的生產(chǎn)過程和提高產(chǎn)品質(zhì)量有很大意義 近年來(lái) 出現(xiàn)了許多新的塑料成型工藝方法 如注射成型技術(shù)方 面的無(wú)流道凝料成型 熱固性塑料注射成型 排氣注射成型反應(yīng)注射成 型以及多種塑料的共注射成型 常用的成型工藝有注射成型 壓縮成型 傳遞成型 擠出成型 中空吹塑成型 真空吸塑與氣壓成型等 通過對(duì) 塑料成型工藝的正確分析 設(shè)計(jì)了一副一模一腔的塑料模具 模具中決 定塑件幾何形狀和尺寸的零部件稱為成型零件 包括螺釘 澆套口 型 腔 型芯 推件板 動(dòng)模板 吊環(huán) 導(dǎo)柱等的設(shè)計(jì)與加工工藝過程 成 型零部件在工作時(shí)直接與塑料接觸 在一定的溫度下承受熔體的高溫和 高壓 因此必須要有合理的結(jié)構(gòu) 較高的強(qiáng)度和剛度 較好的耐磨性 正確的幾何形狀 較高的尺寸精度和較低的表面粗糙度 重要零件的工 藝參數(shù)的選擇與計(jì)算 推出機(jī)構(gòu)與澆注系統(tǒng)以及其它結(jié)構(gòu)的設(shè)計(jì)過程 根據(jù)塑料現(xiàn)有的設(shè)計(jì)計(jì)算資料及已知的設(shè)計(jì)參數(shù) 確定了塑料廢 紙簍注射?？傮w設(shè)計(jì)方案 對(duì)塑料廢紙簍的工藝性能進(jìn)行了分析 注射 機(jī)的選擇 分型面的確定 型腔數(shù)目的確定 成型零件的設(shè)計(jì) 澆注系 統(tǒng)的設(shè)計(jì) 脫模機(jī)構(gòu)的設(shè)計(jì) 根據(jù)計(jì)算結(jié)果最后完成了塑料廢紙簍注射 模結(jié)構(gòu)設(shè)計(jì) 除此之外 還包括模具型腔部分 并利用先進(jìn)軟件將其加 工部分直接生成文件 本文強(qiáng)調(diào)利用現(xiàn)代計(jì)算機(jī)輔助設(shè)計(jì)制造技術(shù) 等 國(guó)內(nèi)外著名軟件進(jìn)行輔助設(shè)計(jì) 既保證了產(chǎn)品的質(zhì)量 還大大地提高了 制造生產(chǎn)率 縮短了產(chǎn)品更新的周期 關(guān)鍵詞 模具設(shè)計(jì) 方便 注射 Abstract With the rapid development of modern manufacturing technology the application of computer technology in industrial production the mold has become indispensable to the production of various industrial productimportant process equipment Especially in the production of plastic products plastic mold and widely applied is becoming more and more prominent in the position in all kinds of mold the wastepaper basket mould design is also become one of the representative of mould Markets on the waste paper basket shape different function cartoon version version of the furniture which can attract customers attention cause the customer s desire Wastepaper basket structure of this design is simple but to consider in the design of its application also did some surface accordingly so the surface structure calculation and more This design elaborated the mould CAD CAE technology characteristic and the application of the advanced manufacturing mode in the mold industry In injection mold design can be convenient accurate and fast query and calculate all the design parameters it is an important technology of the mould design intelligent rapidness method Plastic is the emerging materials developed in the 20th century due to the widely used replacing part of the metal wood leather and silicate has the natural material such as become indispensable in modern industry and life a kind of artificial synthetic material and compared with wood metal silicate three traditional materials together become one of the four important raw materials in modern industrial production and injection mold is one of the types of fast development it is with the development of petroleum industry and should be born at present plastic parts already in almost all industrial sectors and different areas of the People s Daily life With mechanical industry electronics industry aviation industry instrument industry and supplies the development of industry more and more demand for plastic molding parts quality requirements also more and more high this requires molding plastics mold The level of development design and manufacture should be higher and higher Therefore the research injection mold to understand the plastic product production process and improve the quality of products has great significance In recent years many new methods of plastic molding process Such as injection molding technology of flow condensation forming thermosetting plastic injection molding exhaust injection molding reaction injection molding and a variety of plastic injection molding common molding process of injection molding compression molding transfer molding extrusion molding blow molding vacuum pressure molding blister etc Through the correct analysis of plastic forming process designed a pair of one module and one cavity plastic mold Mold in the geometric shape and size of the plastic parts called molding parts including screw water mouth cavity core ejecting board dynamic template the suspension loop the design and machining process of guide pillar and so on Molding parts in direct contact with the plastic at work at a certain temperature melt under high temperature and high pressure so there must be a reasonable structure high strength and rigidity good wear resistance the correct geometry high dimensional accuracy and low surface roughness Important parts of the process parameters selection and calculation and extrusion outfit inject system and other structures of the design process According to the calculation in the design of plastic existing data and the known design parameters determine the overall design scheme of the wastepaper basket plastic injection mould Performance of the technology of plastic waste paper basket was analyzed and the determination of the selection of injection machine the parting surface cavity number molding parts design the design of gating system design demoulding mechanism According to the calculation results finally completed the plastic waste basket injection mould structure design In addition also including the mold parts and use the advanced software to its processing part of the generated files directly This article emphasizes the use of modern computer aided design and manufacturing technology domestic and foreign famous software such as aided design not only ensure the quality of the products also greatly improved the manufacturing productivity shorten the cycle of product updates Keywords mold design Convenient The injection 目 錄 第一章引言 1 1 1 塑料模具的特點(diǎn) 1 1 2 注塑成型及注塑模 1 1 3 塑料成型技術(shù)的發(fā)展趨勢(shì) 2 1 3 1 模具的標(biāo)準(zhǔn)化 2 1 3 2 加強(qiáng)理論研 2 1 3 3 塑料制件的精密化 微型化和超大化 2 第二章塑料件結(jié)構(gòu)分析 3 2 1 注塑材料結(jié)構(gòu) 3 2 2 注塑材料的選擇 3 第三章塑件的工藝分析 4 3 1 塑件適用材料的種類 4 3 2 PE 注塑成型的工藝條件 4 3 3 塑件材料的加工特性 5 3 4 塑料件壁厚的確定 5 3 5 塑件的結(jié)構(gòu)分析 6 第四章注射機(jī)的選用 7 4 1 注射模的形成 7 4 2 注射模的特點(diǎn) 7 4 3 注射部分的選擇 8 4 3 1 注射壓力的校核 8 4 3 2 最前端的孔和球 8 4 4 注射量的校核 8 4 5 模具與注射機(jī)安裝模具部分相關(guān)尺寸校核 9 第五章澆注系統(tǒng)的設(shè)計(jì) 10 5 1 澆注系統(tǒng)的設(shè)計(jì) 10 5 1 1 澆注系統(tǒng)設(shè)計(jì)原則 10 5 1 2 主流道設(shè)計(jì) 11 5 1 3 主流道襯套的設(shè)計(jì) 11 5 1 4 分流道的設(shè)計(jì) 12 5 1 5 澆口的設(shè)計(jì) 14 5 1 6 冷卻槽的設(shè)計(jì) 15 5 2 分型面的設(shè)計(jì) 15 5 2 1 分型面的定義 16 5 2 2 分型面的選擇設(shè)計(jì)原則 16 第六章成型零件部的設(shè)計(jì) 17 6 1 型腔尺寸計(jì)算 17 6 2 型芯尺寸計(jì)算 17 6 3 脫模機(jī)構(gòu)的設(shè)計(jì) 18 6 3 1 脫模機(jī)構(gòu)的分類 18 6 3 2 脫模力的計(jì)算 18 6 3 3 脫模機(jī)構(gòu)的要求 19 6 3 4 模機(jī)構(gòu)的選用原則 19 6 4 推出機(jī)構(gòu)的設(shè)計(jì) 20 第七章加熱 冷卻系統(tǒng)的設(shè)計(jì) 21 7 1 求塑件在硬化時(shí)每小時(shí)釋放的熱量 Q 21 7 2 求冷卻水的體積流量 V 21 7 3 冷卻系統(tǒng)設(shè)計(jì)原則 21 小結(jié) 22 致謝 22 參考文獻(xiàn) 23