心型燈罩注塑模具設(shè)計-機械注塑模具畢業(yè)設(shè)計論文.doc

設(shè)計描述：文檔包括:說明書一份，57頁，約45000字CAD版本圖紙，共13張 心型燈罩注塑模具設(shè)計摘 要：塑料工業(yè)是當(dāng)今世界上增長最快的工業(yè)門類之一，而注塑模具是其中發(fā)展較快的種類，因此，研究注塑模具對了解塑料產(chǎn)品的生產(chǎn)過程和提高產(chǎn)品質(zhì)量有很大意義。本設(shè)計介紹了注射成型的基本原理，特別是單分型面注射模具的結(jié)構(gòu)與工作原理，對注塑產(chǎn)品提出了基本的設(shè)計原則；詳細介紹了冷流道注射模具澆注系統(tǒng)、溫度調(diào)節(jié)系統(tǒng)和頂出系統(tǒng)的設(shè)計過程，并對模具強度要求做了說明；最后介紹了當(dāng)今世界上最為普及的三維CAD/CAM系統(tǒng)標(biāo)準(zhǔn)軟件PRO/ENGNEER的PROGRAM模塊，對導(dǎo)柱和導(dǎo)套進行了參數(shù)化設(shè)計。通過本設(shè)計，可以對注塑模具有一個初步的認識，注意到設(shè)計中的某些細節(jié)問題，了解模具結(jié)構(gòu)及工作原理；通過對PROGRAM的學(xué)習(xí)，可以建立較簡單零件的零件庫，從而有效的提高工作效率。關(guān)鍵詞：塑料模具；參數(shù)化；鑲件；分型面The Design of Injection Mold for the Heart ShapedAbstract: Plastic industry is in the world grows now one of quickest industry classes, but casts the mold is development quick type, therefore, the research casts the mold to understand the plastic product the production process and improves the product quality to have the very big significance.This design introduced the injection takes shape the basic principle, specially single is divided the profile to inject the mold the structure and the principle of work, to cast the product to propose the basic principle of design; Introduced in detail the cold flow channel injection evil spirit mold pours the system, the temperature control system and goes against the system the design process, and has given the explanation to the mold intensity request; Finally introduced now in the world the most popular three dimensional CAD/CAM system standard software PRO/ENGNEERs PROGRAM module, and led the wrap to the guide pillar to carry on the parametrization design.Through this design, may to cast the mold to have a preliminary understanding, notes in the design certain detail question, understands the mold structure and the principle of work; Through to the PROGRAM study, may establish the simple components the components storehouse, thus effective enhancement working efficiency.Key word: The plastic mold;the parametrization; inlays;divides the profile 目 錄摘要1關(guān)鍵詞11 前言2 1.1 模具工業(yè)在國民經(jīng)濟中的地位2 1.2 各種模具的分類和占有量3 1.3 我國模具工業(yè)的現(xiàn)狀3 1.4 世界五大塑料生產(chǎn)國的產(chǎn)能狀況5 1.5 我國模具技術(shù)的現(xiàn)狀及發(fā)展趨勢62 注塑件的設(shè)計7 2.1 功能設(shè)計7 2.2 材料選擇7 2.3 結(jié)構(gòu)設(shè)計8 2.3.1 對塑件的修改說明10 2.3.2 壁厚10 2.3.3 脫模斜度11 2.3.4 加強肋11 2.3.5 圓角11 2.4 塑件的尺寸精度及表面質(zhì)量12 2.4.1 尺寸精度12 2.4.2 塑件的表面質(zhì)量123 注塑成型的準(zhǔn)備13 3.1 注塑成型工藝簡介13 3.2 注塑成型工藝條件14 3.3 注塑機的選擇15 3.3.1 注塑機簡介15 3.3.2 注塑機基本參數(shù)16 3.3.3 選擇注塑機16 3.4 注射機的校核17 3.4.1 最大注塑量的校核18 3.4.2 鎖模力的校核18 3.4.3 噴嘴尺寸校核18 3.4.4 模具外形尺寸校核19 3.4.5 模具厚度校核19 3.4.6 模具安裝尺寸校核194 模具設(shè)計20 4.1 塑料配方說明21 4.2 分型面的確定21 4.3 型腔數(shù)目的確定21 4.4 澆口確定22 4.5 模具材料的選擇22 4.6 澆注系統(tǒng)設(shè)計22 4.6.1 主流道22 4.6.2 分流道23 4.6.3 冷料穴23 4.6.4 澆口23 4.7 模架的確定26 4.7.1 型腔壁厚和底版厚度計算26 4.7.2 模架的選用27 4.8 導(dǎo)向與定位機構(gòu)29 4.9 頂出系統(tǒng)設(shè)計29 4.9.1 脫模力的計算30 4.9.2 推桿脫模機構(gòu)32 4.9.3 推管脫模機構(gòu)33 4.9.4 推板厚度的計算34 4.10 成型零件工作尺寸的計算35 4.10.1 凹模工作尺寸的計算35 4.10.2 凸模工作尺寸的計算36 4.10.3 中心距尺寸的計算38 4.11 排氣設(shè)計38 4.11.1 排氣設(shè)計原則3