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電器外殼注塑模設(shè)計(jì)

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摘要
如今，模具設(shè)計(jì)與制造是一種非常有前景的行業(yè)。中國(guó)模具企業(yè)一般都是中小型企業(yè)，模具加工技術(shù)相對(duì)發(fā)達(dá)國(guó)家還有很大的差距。學(xué)習(xí)模具專業(yè)的大學(xué)生，不僅僅要學(xué)習(xí)模具的先進(jìn)技術(shù)，也要學(xué)習(xí)先進(jìn)的模具管理技術(shù)。中國(guó)模具現(xiàn)在還極度缺乏高素質(zhì)的人才，正是這個(gè)因素阻礙了中國(guó)模具質(zhì)量的提升。
模具是制造業(yè)的重要工藝基礎(chǔ)，在我國(guó)模具制造屬于專用設(shè)備制造業(yè).該篇論文是對(duì)一外殼塑件的模具設(shè)計(jì)。根據(jù)塑件的結(jié)構(gòu)，選用了兩側(cè)帶有斜頂機(jī)構(gòu)的兩板模，運(yùn)用機(jī)動(dòng)完成塑件的頂出，采用側(cè)澆口完成進(jìn)料。在整個(gè)設(shè)計(jì)過(guò)程中，查閱了大量的參考資料，深入分析設(shè)計(jì)內(nèi)容，包括運(yùn)用Proe軟件對(duì)產(chǎn)品進(jìn)行壁厚和拔模斜度的分析。塑件成型工藝性分析；擬定模具結(jié)構(gòu)形式。
注射機(jī)型號(hào)的確定；澆注系統(tǒng)形式和澆口的設(shè)計(jì)；成型零件的結(jié)構(gòu)設(shè)計(jì)和計(jì)算；模架的確定和標(biāo)準(zhǔn)件的選用；合模導(dǎo)向機(jī)構(gòu)的設(shè)計(jì)；脫模推出機(jī)構(gòu)的設(shè)計(jì)；斜頂機(jī)構(gòu)的設(shè)計(jì)；冷卻系統(tǒng)的設(shè)計(jì)。
通過(guò)該外殼塑料模具的設(shè)計(jì)使自己對(duì)塑料模具的設(shè)計(jì)流程有了更深一層次的認(rèn)識(shí)，進(jìn)一步體會(huì)到如 Proe, Moldflow,emx,Autocad等軟件在模具各階段設(shè)計(jì)過(guò)程中所扮演的角色和帶來(lái)的便利，也深刻的體會(huì)到強(qiáng)大的CAD軟件在縮短模具設(shè)計(jì)、生產(chǎn)周期、降低成本方面起了不可或缺的作用。雖然CAD設(shè)計(jì)軟件擁有強(qiáng)大的分析處理功能，但也要有扎實(shí)的理論基礎(chǔ)和實(shí)際經(jīng)驗(yàn)才能將其發(fā)揮到極至。

關(guān)鍵詞：拔模斜度；澆注系統(tǒng)；斜頂機(jī)構(gòu)；合模導(dǎo)向機(jī)構(gòu)

ABSTRACT
Nowdays , Mold design and manufacture is becoming a promising industry. The truth is there are still a lot of small factories in China. Compared with the developed country, the technology of mold design and manufacture is still far behind the developed country. As a graduate whose major is Mold design and Manufacture, I think we not only need to learn some advanced technology, we also need to learn some advanced experience. In China, a lot of high quality workers are needed. This is the main reason why mold technology is not highly promoted in China.
The mold is the manufacturing industry important craft foundation, in our country, the mold manufacture belongs to the special purpose equipment manufacturing industry. According to the structure of the plastical piece chose to use the two plates mold with two sidecores. make use of inclined lead pillar completion side core-pulling of the plasticalpiece and adopt side gate completion injection .Checked a great deal of reference in the whole design process, thorough analysis the design contents, include usage Proe software to carry on wallthinckness and draft analysis for the product。The craft analysis of mold;Draft the mold structure form.
The assurance of injection machine model ;design of injection system and gate;Model structure design and calculation of mold parts; The assurance of mold base with standard piece of choose to use; mold match and guide organization’s design;ejector organization’ s design;The design of side core ejector’s organization;The design of cooling system.
Through the design process of outer shell plastics mold makes me have more deep one layer understanding of the design process to the plastics mold and realize further like Proe, Moldflow, emx, Autocad etc. software are in each stage of mold design the role play with ,and the convenience which bring back, also deeply realize the strong CAD softwares have a necessary function in the aspects of shortenning a mold design、 producting period、reducing costly.Although the CAD design softwares own strong of analytical processing function, also only have firm theories foundation with actual experience then can develop it to the pole.

Key words Plasticalpiece Proe Wallthinckness Moldflow
目錄
1電器外殼注塑模設(shè)計(jì) 1
1.1塑料模具的簡(jiǎn)單介紹 1
1.2塑料模具的意義 2
1.3塑料成型工藝及模具技術(shù)的發(fā)展 2
1.4該電器外殼注塑模的設(shè)計(jì)簡(jiǎn)單說(shuō)明 3
2 塑件的分析及塑料的成型工藝性能 4
2.1塑件工藝性分析 4
2.2材料的成型工藝性能 4
3型腔數(shù)目的確定 8
4 分型面的設(shè)計(jì) 9
4.1分型面介紹與設(shè)計(jì)要點(diǎn) 9
4.2電器外殼分型面的分析與設(shè)計(jì) 9
5 澆注系統(tǒng)的設(shè)計(jì) 10
5.1主流道設(shè)計(jì) 10
5.2 分流道設(shè)計(jì) 12
5.3 澆口的設(shè)計(jì) 13
6 澆口套的設(shè)計(jì) 14
7 澆口的設(shè)計(jì) 15
8 冷料穴的設(shè)計(jì) 17
9 脫模機(jī)構(gòu)的設(shè)計(jì) 17
10 排氣系統(tǒng)的設(shè)計(jì) 19
11 冷卻系統(tǒng)的設(shè)計(jì) 19
12 模架的選擇 20
13 成型部分的尺寸設(shè)計(jì) 21
13.1型腔的內(nèi)徑計(jì)算 22
13.2型腔深度尺寸計(jì)算 23
13.3型腔成型中心矩尺寸 23
13.4型芯底板徑向尺寸計(jì)算 24
13.5型芯底板深度尺寸計(jì)算 24
13.6型芯1徑向尺寸計(jì)算 25
13.7、型芯1高度尺寸計(jì)算 26
13.8型芯1中心到成型面之間間距計(jì)算 26
13.9型芯2徑向尺寸計(jì)算 27
13.10型芯2高度尺寸計(jì)算 27
13.11型芯2中心到成型面之間間距計(jì)算 28
13.12型芯3徑向尺寸計(jì)算 28
13.13型芯3高度尺寸計(jì)算 29
13.14型芯3中心到成型面之間間距計(jì)算 29
13.15型芯4徑向尺寸計(jì)算 30
13.16型芯6高度尺寸計(jì)算 30
13.17型芯4中心到成型面之間間距計(jì)算 31
13.18型芯5徑向尺寸計(jì)算 31
13.19動(dòng)模鑲件1徑向尺寸計(jì)算 32
13.20動(dòng)模鑲件3圓柱體尺寸計(jì)算 33
13.21動(dòng)模鑲件4高度尺寸計(jì)算 34
13.22動(dòng)模鑲件6徑向尺寸計(jì)算 34
14 注射機(jī)的選擇 36
14.1注射量 36
14.2 注射壓力 37
14.3 鎖模力 37
15 注塑機(jī)的校核 38
15.1注射量，注射壓力，鎖模力的校核 38
15.2模具厚度的校核 38
15.3注射機(jī)開(kāi)模行程的校核 38
16 零件的加工工藝： 39
16.1 動(dòng)模型芯1 39
16.2動(dòng)模型芯3 40
16.3行位 40
17 模具加工工藝流程 41
17.1凸模加工工藝過(guò)程如下 41
17.2凹模加工工藝過(guò)程如下 41
17.3模架的裝配 41
18.模具表面強(qiáng)化處理工藝特點(diǎn)及應(yīng)用 42
19總裝的技術(shù)要求 42
19.1試模 42
參考文獻(xiàn) 43
設(shè)計(jì)體會(huì) 44
致謝 45 ...
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