手機(jī)充電器塑料模具

模具論文編號:JX380  附PPT,任務(wù)書,外文翻譯,設(shè)計圖紙,論文字?jǐn)?shù):23513.頁數(shù):59
目錄
緒論 1
1.1 模具工業(yè)在國民經(jīng)濟(jì)中的地位 1
1.2 各種模具的分類和占有量 2
1.3 我國模具工業(yè)的現(xiàn)狀 2
1.4 我國模具技術(shù)的現(xiàn)狀及發(fā)展趨勢 4
第1章  塑件工藝分析 6
1.1 塑件的結(jié)構(gòu)要素 6
1.2 塑件尺寸公差與精度 8
第 2 章  模具設(shè)計要點 9
2.1 方案的確定 9
2.2 確定型腔分型面及型腔數(shù)目 9
2.3 型腔、型芯的結(jié)構(gòu) 9
2.4 澆口的設(shè)計 10
2.5 冷料穴的設(shè)計 10
第3章 模具結(jié)構(gòu)及其工作過程 11
第4章 注塑成型的準(zhǔn)備 14
4.1 注塑成型工藝簡介 14
4.2 注塑成型工藝條件 15
4.3注塑機(jī)的選擇 17
4.3.1 注塑機(jī)簡介 17
4.3.2 注塑機(jī)基本參數(shù) 17
4.3.3選擇注塑機(jī) 18
4.4 注射機(jī)的校核 19
4.4.1 最大注塑量的校核 19
4.4.2 鎖模力的校核 19
4.4.3 塑化能力的校核 20
4.4.4 定位圈尺寸校核 20
4.4.5 模具外形尺寸校核 20
4.4.6模具厚度校核 20
4.4.7 模具安裝尺寸校核 21
4.4.8 開模行程校核 21
第5章 澆注系統(tǒng)設(shè)計 22
5.1主流道 22
5.2分流道 22
第6章. 模架的確定 24
第7章.導(dǎo)向與定位機(jī)構(gòu) 26
第8章.頂出系統(tǒng)設(shè)計 27
第9章 .脫模力的計算 28
第10章.推桿脫模機(jī)構(gòu) 30
10.1推桿脫模機(jī)構(gòu) 30
10.2推板脫模機(jī)構(gòu)設(shè)計 31
第11章. 抽芯機(jī)構(gòu)設(shè)計 33
11.1確定抽芯機(jī)構(gòu)形式 33
11.2斜導(dǎo)柱抽芯的結(jié)構(gòu)尺寸 34
第12章.成型零件工作尺寸的計算 36
12.1凹模工作尺寸的計算 36
12.2 凸模工作尺寸的計算 37
第13章.冷卻系統(tǒng)設(shè)計 39
13.1溫度調(diào)節(jié)對塑件質(zhì)量的影響 39
13.2對溫度調(diào)節(jié)系統(tǒng)的要求 39
13.3冷卻系統(tǒng)設(shè)計： 39
13.4模具的加熱 40
13.5模具的冷卻 40
結(jié)論 42
致謝 44
參考文獻(xiàn) 45
附錄：導(dǎo)柱的參數(shù)化設(shè)計 46
1.導(dǎo)柱的三維造型及加工仿真： 46
2.導(dǎo)柱的相關(guān)程序設(shè)計： 47

摘      要
分析了手機(jī)充電器外殼的工藝特點，介紹了手機(jī)充電器外殼上蓋注射模結(jié)構(gòu)及模具的工作過程。重點介紹了手機(jī)充電器外殼注射模結(jié)構(gòu)的設(shè)計方法。分析和闡述了模具型芯零件及各標(biāo)準(zhǔn)件的選材、熱處理工藝，手機(jī)充電器外殼的塑件的結(jié)構(gòu)要素，塑件的尺寸公差和精度的選擇，塑件的體積和質(zhì)量的計算方法，注射機(jī)的選擇和校核，脫模推出機(jī)構(gòu)的設(shè)計和相關(guān)計算，抽芯機(jī)構(gòu)的設(shè)計計算以及校核，成型零件的工作尺寸的計算，以及模具冷卻系統(tǒng)的設(shè)計，最后還對模具機(jī)構(gòu)中的導(dǎo)柱運用MASTER/CAM軟件進(jìn)行了參數(shù)化設(shè)計。此手機(jī)充電器外殼注射模設(shè)計的結(jié)構(gòu)特點是點澆口形式的單分型面的注射模，模具采用一模兩腔的結(jié)構(gòu)，兩塑件平行放置，方向相反以便側(cè)向抽芯。儀用熱流道，可以消除廢料的產(chǎn)生，但流道過長加熱較復(fù)雜，而且ABS塑料流動性較好易產(chǎn)生涎流現(xiàn)象，改用PP等其它符合熱流道的塑料，不僅塑性能不能滿足制件功能要求，而且增加生產(chǎn)成本。本設(shè)計采用嵌入式型腔結(jié)構(gòu)。該結(jié)構(gòu)廣泛應(yīng)用于中小型塑件的模具中。加工方法可采用普通機(jī)加工、數(shù)控機(jī)床、電火花、電鑄成型等方法。將一個整體型腔嵌入到型腔固定板中，嵌入的型腔材料可用低碳鋼或低碳合金鋼，滲碳淬火后拋光。該模具結(jié)構(gòu)設(shè)計巧妙，操作方便，使用壽命長，塑件達(dá)到技術(shù)要求。
關(guān)鍵詞：手機(jī)充電器外殼；注射模；型芯；型腔
Abstract
Has analyzed the handset battery charger outer covering craft characteristic, introduced the handset battery charger outer covering top head injection mold structure and the mold work process. Introduced the handset battery charger outer covering injection mold structure design method with emphasis. Analyzed and elaborated the mold core components selection, the heat treatment craft, the handset battery charger outer covering model the member, model the size common difference and the precision choice, model a volume and the quality computational method. This handset battery charger outer covering injection mold designs the unique feature is the runner form three minute profiles injection molds, is lateral pulls out the coreinjection mold. Forming part of the calculation of the size and mold cooling system design, eventually die of the use of derivative-MASTER / CAM software for the design parameters. This cell phone charger shell injection mold design of the structure is characterized by the form of points runner-alone surface of the injection mold. Die using a two-cavity structure, two pieces of plastic placed parallel direction opposite to the lateral extracting core. Instrument Hot Runner and eliminate waste, but the excessive heat flow is more complicated, ABS plastics and better mobility easy to produce saliva flow, and other use of PP with Hot Runner of plastic, Not only plastic component performance can not meet the functional requirements, and an increase in production costs. Embedded design using the cavity structure. The structure widely used in small and medium-sized plastic parts mold. Processing methods use ordinary machine, CNC machine tools, EDM, LIGA methods. Will be embedded in a cavity of a whole cavity plate, embedded in the cavity material available low-carbon or low alloy steel, carburizing quenching after polishing. After production confirmation, this mold structural design ingenious, the ease of operation, the service life is long, models to achieve the specification.
Key words: handset battery charger outer；covering injection mold；slide；core.