提手塑料模設(shè)計(jì)

摘 要

本設(shè)為提手塑料模具設(shè)計(jì)。采用一模兩腔，兩個(gè)側(cè)澆口注射，斜導(dǎo)柱利用分模力進(jìn)行側(cè)抽芯，塑件成型后利用推桿將成型制品從動(dòng)模上推出，回程桿復(fù)位。模具設(shè)計(jì)結(jié)構(gòu)緊湊，工作可靠，操作方便，運(yùn)轉(zhuǎn)平穩(wěn)，冷卻效果好，勞動(dòng)強(qiáng)度低，生產(chǎn)效率高，生產(chǎn)成本低，生產(chǎn)的塑件精度高。



關(guān)鍵詞：塑料模具、Pro/E、側(cè)抽芯、建模、模具制造、模架、

畢業(yè)設(shè)計(jì)（論文）申報(bào)表............................................4
畢業(yè)設(shè)計(jì)（論文）開(kāi)題目報(bào)告........................................6
摘要..............................................................8
第一章 前言.......................................................8
1.1 塑料模的功能.................................................8
1.2我國(guó)塑料模現(xiàn)狀................................................9
1.3塑料模發(fā)展趨勢(shì) ...............................................9
第二章 塑料制品成形工藝分析......................................10
2.1塑件的設(shè)計(jì)與分析.............................................10
2.2注射性能分析.................................................10
2.3塑件材料的選擇.......................................... ....12
2.3.1塑件特點(diǎn)..........................................................12
2.3.2性能參數(shù)..........................................................13
2.4分型面的選擇.................................................13
2.5擬訂模具的結(jié)構(gòu)型式...........................................14
2.5.1型腔數(shù)量的確定....................................................14
2.5.2型腔排列形式的確定................................................14
2.6注射注射機(jī)型號(hào)的確定.........................................15
2.6.1注射量的計(jì)算......................................................15
2.6.2塑件和流道凝料在分型面上的投影面積及所需鎖模力的計(jì)算..............15
2.6.3選擇注塑機(jī)........................................................15
第三章 澆注系統(tǒng)的設(shè)計(jì)............................................17
3.1主流道設(shè)計(jì)...................................................17
3.1.1主流道的作用 .....................................................17
3.1..2主流道設(shè)計(jì)要點(diǎn) ..................................................17
3.1.3主流道的設(shè)計(jì) .....................................................18
3.1.4主流道襯套形式 ...................................................18
3.2分流道的設(shè)計(jì) ................................................19
3.2.1分流道的作用 .....................................................19
3.2.2分流道的設(shè)計(jì)要點(diǎn) .................................................20
3.2.3分流道形狀、截面尺寸以及凝料體積 .................................21
3.3澆口的設(shè)計(jì) ..................................................22
3.3.1澆口的作用........................................................22
3.3.2澆口設(shè)計(jì)的基本要點(diǎn)................................................22
3.4冷料穴.......................................................24
3.5拉料桿設(shè)計(jì)...................................................25
第四章 模架的確定................................................25
第五章 成型零部件設(shè)計(jì)............................................26
5.1成型零件的結(jié)構(gòu)設(shè)計(jì)...........................................26
5.2凹模的結(jié)構(gòu)設(shè)計(jì)...............................................26
5.2.1.整體式凹模.......................................................26
5.2.2.整體嵌入式凹模...................................................27
5.2.3成型零件工作尺寸的計(jì)算............................................27
第六章 排氣系統(tǒng)的設(shè)計(jì)............................................29
第七章 導(dǎo)向、推出及復(fù)位機(jī)構(gòu)的設(shè)計(jì)................................29
7.1導(dǎo)向機(jī)構(gòu)的設(shè)計(jì)...............................................29
7.1.1導(dǎo)向機(jī)構(gòu)的作用....................................................29
7.1.2 導(dǎo)柱.............................................................30
7.1.3導(dǎo)套..............................................................32
7.2 推出機(jī)構(gòu)的設(shè)計(jì)..............................................33
7.2.1推出機(jī)構(gòu)的組成....................................................33
7.2.2對(duì)推出機(jī)構(gòu)的要求..................................................33
7.2.3脫模機(jī)構(gòu)的分類....................................................33
7.2.4推桿推出機(jī)構(gòu)......................................................34
第八章 側(cè)向分型與抽芯機(jī)構(gòu)的設(shè)計(jì).................................35
8.1 側(cè)向分型與抽芯機(jī)構(gòu)..........................................35
8.1.1 側(cè)向分型與抽芯機(jī)構(gòu)的分類.........................................35
8.1.2 抽芯力的計(jì)算.....................................................36
第九章 模溫調(diào)節(jié)系統(tǒng)的設(shè)計(jì).......................................38
9.1 冷卻系統(tǒng)的設(shè)計(jì)原則..........................................38
9.2 冷卻時(shí)間的計(jì)算..............................................38
9.3 冷卻管道傳熱面積的簡(jiǎn)易計(jì)算..................................39
第十章 模具工作過(guò)程..............................................42
致謝詞....................