晾衣叉的塑料注塑模具設(shè)計【一模兩腔、側(cè)向抽芯機構(gòu)優(yōu)秀課程畢業(yè)設(shè)計含12張CAD圖紙帶任務書+開題報告+外文翻譯】-zsmj23
晾衣叉塑料注塑模具設(shè)計
摘 要
模具作為一種成型工具，其設(shè)計、制造水平的高低，直接關(guān)系到產(chǎn)品的質(zhì)量與更新?lián)Q代，是衡量一個國家產(chǎn)品制造水平的重要標志。
本文主要介紹的是晾衣叉注塑模具的設(shè)計方法。首先分析了晾衣叉制件的工藝特點，包括材料性能、成型特性與條件、結(jié)構(gòu)工藝性等，并選擇了成型設(shè)備。接著系統(tǒng)介紹了晾衣叉注塑模的分型面的選擇、型腔數(shù)目的確定及布置，重點介紹了澆注系統(tǒng)、成型零件、側(cè)向抽芯機構(gòu)、合模導向機構(gòu)、脫模機構(gòu)、定距分型機構(gòu)以及冷卻系統(tǒng)的設(shè)計。然后選擇標準模架和模具材料，并對注射機的工藝參數(shù)進行相關(guān)校核。最后對模具的工作原理進行闡述，以及在安裝調(diào)試過程中可能出現(xiàn)的問題進行總結(jié)、分析，并給出了相應的解決方法。本文論述的晾衣叉注塑模具采用兩板式結(jié)構(gòu)，采用一模二腔的型腔布置，最后利用推桿將制件推出。
關(guān)鍵詞：晾衣叉；注塑模；二板模；澆注系統(tǒng)
Abstract
Die as a tool for molding, its design, manufacture level are of direct bearing on the quality of products and replacement, an important indicator to measure a country's level of manufacturing.
The designing methods of injection mould of clothes fork are mainly introduced in this paper. First, the technological characteristics are analyzed, including material properties, forming characteristics and conditions, the process of the structure, the forming equipment is selected. Then the parting line is selected, the number of cavities is determined. The specific introduction are made on gating system, cooling system, Molding parts, Steering mechanism, moulding mechanism, and spacer parting institutions. Then the standard mould bases and mould materials are selected, and the technological parameters of the forming equipment is checked. Finally, problems that may emerge during the mold installation process are analyzed and the appropriate solutions are provided.Two pence mould is used on the design of charger shell. there are two cavities in this mould, finally a stripper plate is used to push off the clothes fork.
Keyword: Clothes fork; Injection mould; Two pence mould; Gating system;
目 錄
引言 1
1 塑件結(jié)構(gòu)及尺寸 3
1.1 本塑件的材料分析 3
1.2 本塑件的工藝參數(shù) 4
1.3 本塑件的產(chǎn)品結(jié)構(gòu) 4
1.4 塑件的公差 5
1.5 塑件的壁厚 5
1.6 塑件的脫模斜度 6
2 模具結(jié)構(gòu)的設(shè)計 7
2.1 確定型腔數(shù)目的方法 7
2.2 型腔排列方式的確定 8
3 注射機型號的確定 8
3.1 注塑機定義 8
3.2 注塑機的類型 9
3.3 注塑機的結(jié)構(gòu) 9
3.4 注塑機的選擇 10
3.4.1所需注射量的計算、塑件質(zhì)量、體積計算 10
3.4.2澆注系統(tǒng)凝料體積的初步估算 11
3.5 注塑機的校核 11
3.5.注射壓力校核 11
3.5.2鎖模力校核 12
3.5.3開模行程和模板安裝尺寸校核 12
4 成型零件的設(shè)計 13
4.1 分型面的設(shè)計 13
4.2 成型零部件的結(jié)構(gòu)設(shè)計 14
4.2.1型芯和型腔的結(jié)構(gòu)設(shè)計 14
4.2.2注射模強度要求 15
4.3 型芯型腔的確定 16
5 側(cè)向分型與抽芯機構(gòu) 16
5.1 側(cè)向抽芯機構(gòu)的分類及組成 16
5.2 確定抽芯距 18
5.3 抽芯力的計算 18
5.4 斜導柱設(shè)計 20
6 澆注系統(tǒng)的設(shè)計 21
6.1 澆注系統(tǒng)的組成 21
6.2 澆注系統(tǒng)的作用 21
6.3 澆注系統(tǒng)設(shè)計影響因素 21
6.4 主流道的設(shè)計 22
6.4.1主流道的材料 23
6.4.2主流道的表面精度 23
6.5 分流道設(shè)計 23
6.6 澆口設(shè)計 25
6.6.1澆口的選用 26
6.6.2澆口位置的選用 26
6.6.3澆注系統(tǒng)的平衡 28
6.6.4排氣的設(shè)計 28
7 標準模架的選取 28
8 合模導向機構(gòu)的設(shè)計 30
8.1 導柱導向機構(gòu)設(shè)計要點 30
9 脫模機構(gòu)的設(shè)計 32
9.1 脫模機構(gòu)設(shè)計的總原則 32
9.2 推桿設(shè)計 32
9.2.1推桿的形狀 32
9.2.2推桿的位置和布局 33
9.3 推件板設(shè)計的要點 33
10 冷卻系統(tǒng)的設(shè)計 34
10.1 冷卻系統(tǒng)的計算 34
10.2 冷卻系統(tǒng)的設(shè)計準則 34
11 典型零件的制造工藝 35
11.1 澆口套加工 35
11.2 定模座板加工 36
11.3 動模模套加工 37
11.4 導柱的加工 38
12 結(jié)語 39
謝 辭 40
參考文獻 41
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CAXA制圖
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