手機(jī)后蓋的注塑模具設(shè)計(jì)【一模兩腔側(cè)向抽芯優(yōu)秀課程畢業(yè)設(shè)計(jì)含10張CAD圖紙帶開(kāi)題報(bào)告+外文翻譯】-zsmj33
手機(jī)后蓋的注塑模具設(shè)計(jì)【一模兩腔側(cè)向抽芯】
摘 要
我國(guó)塑料模具工業(yè)從起步到現(xiàn)在，經(jīng)歷了半個(gè)世紀(jì)，有了很大發(fā)展，模具水平有了較大的提高。由于模具生產(chǎn)產(chǎn)品具有精度高，復(fù)雜性高，一致性好，生產(chǎn)效率高消耗低等優(yōu)點(diǎn)。所以現(xiàn)代工業(yè)中將會(huì)起到更大的作用，得到更多的應(yīng)用。我的塑料發(fā)展至今，已能生產(chǎn)精度高達(dá)2微米的精密，多工位級(jí)進(jìn)模，工位數(shù)最多已達(dá)160個(gè)，壽命1~2億次。
模具時(shí)現(xiàn)代工業(yè)發(fā)展的基礎(chǔ)，許多產(chǎn)業(yè)的發(fā)展都離不開(kāi)模具行業(yè)的支持。用模具生產(chǎn)制造所表現(xiàn)出來(lái)的的高精度，高復(fù)雜程度，高一致性，高生產(chǎn)率和低消耗，是其他加工制造方法所不能比擬的。在模具工業(yè)的總產(chǎn)值中塑料模具約占33%。不同的塑料成型方法使得模具原理和結(jié)構(gòu)不通。按照成型方法的不通，塑料模具分為：注塑模具，壓塑模具，吹塑模具等。注塑模具主要用于熱塑性塑料制品的成型中占有很大比重?，F(xiàn)代工業(yè)中，消費(fèi)品外殼的色彩，手感，和精度，厚度等提出了新要求。塑料外殼設(shè)計(jì)成為重要的一環(huán)。設(shè)計(jì)合理的注塑模具將得到越來(lái)越多的應(yīng)用。
現(xiàn)代注塑模具的設(shè)計(jì)方法目前為了應(yīng)付當(dāng)前多樣化的要求，縮短產(chǎn)品只在周期以缺德最佳的競(jìng)爭(zhēng)優(yōu)勢(shì)，模具設(shè)計(jì)中都引用了CAD/CAE計(jì)算機(jī)一體化制造技術(shù)，以提高產(chǎn)品質(zhì)量，降低成本，增加競(jìng)爭(zhēng)力，一般而言，一件完整理想的工業(yè)產(chǎn)品，其制造流程為現(xiàn)有原創(chuàng)型的概念設(shè)計(jì)出原件，配合計(jì)算機(jī)輔助工程分析技術(shù)，再依據(jù)分析結(jié)果修改測(cè)試，最后再依據(jù)設(shè)計(jì)圖經(jīng)由計(jì)算機(jī)輔助制造，進(jìn)行產(chǎn)品自動(dòng)化生產(chǎn)在模具設(shè)計(jì)生產(chǎn)，以上整個(gè)過(guò)程均在計(jì)算機(jī)上進(jìn)行。
在模具設(shè)計(jì)生產(chǎn)過(guò)程中，應(yīng)用Pro/ENGINEER軟件進(jìn)行模具結(jié)構(gòu)設(shè)計(jì)-模具型腔-型芯二維設(shè)計(jì)-工藝準(zhǔn)備-模具型腔，型芯設(shè)計(jì)三維造型等。
隨著計(jì)算機(jī)技術(shù)和網(wǎng)絡(luò)技術(shù)取得了突破性的成就，模具設(shè)計(jì)越來(lái)越多地使用CAD/CAM技術(shù)。在產(chǎn)品生產(chǎn)之前，使用這些新技術(shù)來(lái)進(jìn)行模具的設(shè)計(jì)和改善，是現(xiàn)代設(shè)計(jì)必然趨勢(shì)在現(xiàn)實(shí)生活里，手機(jī)已經(jīng)成為人們的一個(gè)生活必須品，現(xiàn)代的手機(jī)已經(jīng)不再僅僅是一個(gè)工具同時(shí)一時(shí)裝飾品，所以做出的不管是手機(jī)機(jī)身還是手機(jī)殼都需要美觀大方，因此加工工藝就顯得非常重要。所以在對(duì)手機(jī)殼的模具設(shè)計(jì)時(shí)不僅要考慮成型，還需要考慮成型后的美觀。因此在模具的設(shè)計(jì)過(guò)程中多方兼顧。
關(guān)鍵字：手機(jī)；模具設(shè)計(jì)；注射模；斜導(dǎo)柱；側(cè)抽芯。
Abstract
Plastic mold industry in China from the beginning to now, has experienced half a century, has made great development, mould level has greatly improved. Because the mold production product has high accuracy, high complexity, good consistency and high efficiency low consumption etc. So modern industry will play a greater role, get more applications. Precision plastic development up to now, I have been able to produce as much as 2 micron precision, multi-station progressive die, has reached the maximum number of stations in 160, life 1 ~ 200 million times.
Mould the basis for the development of modern industry, many industry's development cannot leave the mould industry support. With mold manufacturing of high precision, high complexity, high consistency, high productivity and low consumption, is can't be matched by other methods of processing and manufacturing. In the mold industry plastic mould accounted for about 33% of the total output. Different methods of plastic molding makes mold principle and structure. According to the forming method of impassability, plastic mold is divided into: injection mold, compression mold, blow molding mould, etc. In the injection mold is mainly used for thermoplastic plastics molding occupies a large proportion. In modern manufacturing, consumer goods shell color, feel, and precision, thickness, etc. Put forward new requirements. Plastic shell design become important one annulus. Reasonable design of injection mould will be applied more and more.
Modern design method of injection mould at present in order to cope with the current diversified requirements, shorten the product by the wicked the best competitive advantage, only in the cycle of mould design reference the CAD/CAE technology of computer integrated manufacturing, in order to improve the product quality, reduce cost, increase the competitiveness, in general, a complete ideal industrial products, the concept of the manufacturing process for existing original type original design, with computer aided engineering analysis techniques, according to the results of analysis, modifying test again, and then on the basis of design through computer aided manufacturing, automated production in the mold design production, more than the whole process are conducted on the computer.
In the mold design and production process, the application of Pro/ENGINEER software to design the mould structure - the mold - core of two-dimensional design process to prepare - mold cavity, core design three dimensional modeling, etc.
Along with the computer technology and network technology has achieved breakthrough and mold design are increasingly using CAD/CAM technology. Before production, the use of these new technologies for the design of the mould and improvement, is an inevitable trend in the modern design in real life, mobile phones have become a people living necessities, modern mobile phone is no longer just a tool for decoration at the same time, so the mobile body or following needs to be beautiful and easy, so the processing technology is very important. So when opponents casing mold design should not only consider the forming, also need to consider after molding. Therefore, in the mold design process to two or morethings.
Key words：Cell phones, mold design, injection mould, inclined guide pillar, side core-pulling
目錄
引言 1
第一章 塑件分析 2
1.1 材料的分析 2
1.2 塑件相關(guān)參數(shù)的設(shè)計(jì) 2
1.2.1 注射溫度的影響 2
1.3 塑件原料的分析 3
1.3.1 PC塑料的干燥 3
1.3.2注射溫度 3
1.3.3注射壓力 3
1.3.4注射速度 3
1.3.5模具溫度 4
1.4 體積及質(zhì)量計(jì)算 4
1.4.1 體積的計(jì)算 4
1.4.2 質(zhì)量及面積的計(jì)算 4
第二章 型腔數(shù)目的確定 6
第三章 成型零部件的設(shè)計(jì) 7
3.1 型腔尺寸的計(jì)算 7
3.2 型芯尺寸的計(jì)算 7
第四章 注射機(jī)的選擇 9
第五章 注射機(jī)的校核 10
5.1注射機(jī)注射容量校核 10
5.2注射機(jī)鎖模力校核 10
5.3注射機(jī)注射壓力校核 10
5.4注射機(jī)模具厚度校核 11
5.5注射機(jī)最大開(kāi)模行程校核 11
第六章 分型面的選擇 13
6.1 分形面的形式 13
6.2 分型面的選擇 13
第七章 澆注系統(tǒng)的設(shè)計(jì) 15
7.1 分流道的設(shè)計(jì)原則 15
7.2 分流道的設(shè)計(jì) 16
7.3 分流道的尺寸的設(shè)計(jì) 17
第八章 澆口的設(shè)計(jì) 18
8.1澆口位置選擇的仿真 19
8.2 直接澆口的直徑設(shè)計(jì) 19
8.3 點(diǎn)澆口直徑設(shè)計(jì) 20
第九章 冷卻系統(tǒng)的設(shè)計(jì) 21
9.1 冷卻系統(tǒng)設(shè)計(jì)原則 21
9.2 冷卻系統(tǒng)的結(jié)構(gòu)形式 21
9.3 冷卻系統(tǒng)的計(jì)算 21
9.4冷卻時(shí)間計(jì)算 22
9.5 用水量M的計(jì)算 23
9.6 成型周期計(jì)算 23
第十章 模具材料選擇 25
第十一章 模具主要參數(shù)的計(jì)算 26
11.1 脫模力的計(jì)算 26
11.2 初始脫模力 26
11.3 推桿直徑計(jì)算 27
11.4 推桿的應(yīng)力校核 27
11.5 推板的厚度計(jì)算 28
第十二章 推出脫模機(jī)構(gòu)設(shè)計(jì) 29
12.1 推出機(jī)構(gòu)的選用原則 29
12.2 推桿的形式 29
12.3 推桿材料 30
12.4 推桿的復(fù)位 30
12.5 推出力的計(jì)算 30
12.6 型腔壁厚和底板厚度計(jì)算 31
12.6.1側(cè)壁厚度計(jì)算 32
12.6.2矩形型腔底板厚度計(jì)算 32
第十三章 結(jié)構(gòu)零部件設(shè)計(jì) 33
13.1 合模導(dǎo)向機(jī)構(gòu)的設(shè)計(jì) 33
13.1.1設(shè)計(jì)導(dǎo)柱需要注意的事項(xiàng) 33
13.2 導(dǎo)向機(jī)構(gòu)的設(shè)計(jì) 33
13.3 定位圈的設(shè)計(jì) 34
13.4 側(cè)向分型與抽芯機(jī)構(gòu)的設(shè)計(jì) 34
13.5 斜導(dǎo)柱的設(shè)計(jì) 36
13.6 滑塊的設(shè)計(jì) 37
13.7 楔緊塊的設(shè)計(jì) 37
第十四章 模架的選擇 38
14.1模架厚度H和注射機(jī)的閉合距離L 38
14.2所需行程之間的尺寸關(guān)系 38
第十五章 排氣系統(tǒng)的設(shè)計(jì) 40
第十六章 成型零件加工工藝規(guī)程 41
謝辭 42
參考文獻(xiàn) 43
附錄 44
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