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摘 要
隨著高性能工程塑料的不斷發(fā)展，各種塑料制品行業(yè)，該行業(yè)需要繼續(xù)增長(zhǎng)，注射成型工藝越來(lái)越多地用于成形制造的產(chǎn)品的各種性能要求。注塑模具設(shè)計(jì)的質(zhì)量，對(duì)注塑機(jī)的生產(chǎn)效率直接影響成型，產(chǎn)品的質(zhì)量和成本。模具可以是一個(gè)很好的注射成型上百萬(wàn)次，因?yàn)槠漭^長(zhǎng)的壽命，在另一方面，降低了塑件的成型和模具成本，作為一個(gè)結(jié)果，一個(gè)好的更換，維修少，從而提高生產(chǎn)效率。為了滿(mǎn)足日益增長(zhǎng)的工業(yè)需求和生活質(zhì)量的需要，應(yīng)繼續(xù)研究和開(kāi)發(fā)，已被設(shè)計(jì)來(lái)提高注塑模具的性能，滿(mǎn)足各行各業(yè)的需求。
在本設(shè)計(jì)中，通過(guò)對(duì)一二點(diǎn)對(duì)底座，CAD模具設(shè)計(jì)和開(kāi)發(fā)利用包括凸，凹模的設(shè)計(jì)，頂出機(jī)構(gòu)的設(shè)計(jì)，注射機(jī)的選擇和校核，澆注系統(tǒng)的設(shè)計(jì)，冷卻系統(tǒng)的設(shè)計(jì)，模具及其他工作選擇。在本設(shè)計(jì)中，重點(diǎn)設(shè)計(jì)了以成形件的凸，凹模的設(shè)計(jì)，澆注系統(tǒng)，冷卻系統(tǒng)。澆注系統(tǒng)是模具設(shè)計(jì)的靈魂和冷卻設(shè)計(jì)，澆注系統(tǒng)的設(shè)計(jì)直接影響著塑件的成型質(zhì)量和生產(chǎn)效率[ 1 ]。因此，澆注系統(tǒng)的設(shè)計(jì)是注塑模具設(shè)計(jì)工作的關(guān)鍵。同時(shí)，模具溫度對(duì)塑件的質(zhì)量和生產(chǎn)效率有著直接的影響，對(duì)模具的凝固時(shí)間和收縮應(yīng)力，模具溫度的控制直接影響，從而影響模具和塑料件質(zhì)量的成型周期，和表面粗糙度。大小的凸，凹模尺寸，澆注系統(tǒng)和冷卻系統(tǒng)的設(shè)計(jì)重點(diǎn)和系統(tǒng)結(jié)構(gòu)設(shè)計(jì)。通過(guò)這樣的設(shè)計(jì)，我們首先學(xué)習(xí)了解當(dāng)前的形勢(shì)和發(fā)展情況，中國(guó)塑料模具結(jié)構(gòu)和成型工藝的模具及注塑模具設(shè)計(jì)的基本原理。
關(guān)鍵詞：底座；注射模；設(shè)計(jì)；PA1010
5
Abstract
With the development of high performance engineering plastics, plastic products industry, the industry needs to continue to grow, the injection molding process is more and more used in various performance requirements of the product manufacturing. The quality of injection mold design, the injection molding machine production efficiency directly affects molding, product quality and cost. Mold can be a very good injection molding millions of times, because of their longer life expectancy, on the other hand, reduces the cost of molding and mold plastic parts, as a result, a good replacement, repair, thereby improving the production efficiency. In order to meet the growing needs of the industry and the quality of life needs, should continue to research and development, has been designed to improve the performance of injection mold injection mold, to meet the needs of all walks of life.
In this design, through the one or two point of cover on the air conditioning remote control, the design and development of CAD die comprises a convex, concave mold design, the ejection mechanism design, selection and optimization of the injection machine, the design of gating system, cooling system design, mold and other work options. In this design, designed to focus on parts of the convex, concave mold design, gating system, cooling system. The gating system is the mold design of the soul and cooling design, the design of gating system directly affects the moulding quality and production efficiency [1]. Therefore, the design of gating system is the key of the injection mold design work. At the same time, mould temperature has a direct impact on the quality of plastic parts and production efficiency, solidification time and contraction on die stress, mold temperature control of a direct impact, thus affecting the molding cycle of molds and plastic parts quality, and surface roughness. The size of the convex, concave die size, design key points and system structure design of gating system and cooling system. Through this design, we first learn to understand the situation and the current development situation, basic principle of injection mold and die design China plastic mould structure and injection molding process.
Key Words: remote base, injection mold, design, PA1010
目 錄
摘 要 II
Abstract III
目 錄 IV
第1章 緒論 1
1.1蓬勃發(fā)展的模具工業(yè) 1
1.2塑料模具工業(yè)的現(xiàn)狀和技術(shù)的主要發(fā)展方向 1
第2章 底座塑料模工藝設(shè)計(jì) 3
2.1底座塑件的工藝分析 3
2.1.1塑料材料的性能及基本成型工藝參數(shù) 3
2.1.2底座塑料的選材 4
2.1.3 PA1010材料成型特性 4
2.2注射成型基本過(guò)程 4
2.3底座的設(shè)計(jì)件 6
第3章 注射機(jī)的選擇和校核 8
3.1注射機(jī)規(guī)格的選擇 8
3.2注射機(jī)的校核 8
3.2.1注射機(jī)注射容量的校核 8
3.2.2注射機(jī)注射壓力的校核 9
3.2.3注射機(jī)鎖模力的校核 9
3.2.4注射機(jī)模具厚度校核注射機(jī)模具厚度校核 10
3.2.5注射機(jī)最大開(kāi)模行程校核 10
3.3確定型腔數(shù)目和分模面的選擇 10
3.3.1確定型腔數(shù)目 10
3.3.2分模面的選擇 11
第4章 澆注系統(tǒng)和冷卻系統(tǒng)設(shè)計(jì) 12
4.1澆注系統(tǒng)設(shè)計(jì) 12
4.1.1主流道的設(shè)計(jì) 12
4.1.2分流道的設(shè)計(jì) 12
4.1.3澆口設(shè)計(jì) 13
4.1.4冷料穴和拉料桿設(shè)計(jì) 14
4.1.5澆注系統(tǒng)的平衡 14
4.2排氣系統(tǒng)的設(shè)計(jì) 14
4.3冷卻系統(tǒng)設(shè)計(jì) 15
4.3.1設(shè)計(jì)冷卻系統(tǒng)的必要性 15
4.3.2冷卻系統(tǒng)尺寸計(jì)算 16
第5章 成型零件設(shè)計(jì) 17
5.1 模具型腔的結(jié)構(gòu)設(shè)計(jì) 17
5.2 成型零件的尺寸確定 18
第5章 其他零部件結(jié)構(gòu)設(shè)計(jì) 20
5.1脫模機(jī)構(gòu)設(shè)計(jì) 20
5.1.1脫模機(jī)構(gòu)的分類(lèi) 20
5.1.2脫模機(jī)構(gòu)設(shè)計(jì)原則 20
5.2導(dǎo)向機(jī)構(gòu)設(shè)計(jì) 21
5.2.1導(dǎo)向機(jī)構(gòu)設(shè)計(jì)原則 21
5.2.2導(dǎo)柱的外形尺寸計(jì)算 21
5.2.3導(dǎo)向孔的設(shè)計(jì) 22
5.2.4導(dǎo)柱的數(shù)量和布置 22
5.3定位圈 22
5.3.1定位圈的定義 22
5.3.2導(dǎo)柱的數(shù)量和布置 22
5.4主流道襯套 23
5.5其他結(jié)構(gòu)零件設(shè)計(jì) 23
結(jié) 論 25
參考文獻(xiàn) 26
致 謝 27
致謝