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營養(yǎng)快線瓶蓋注塑成型及模具設(shè)計
摘 要：本設(shè)計題目為營養(yǎng)快線瓶蓋注塑模設(shè)計，體現(xiàn)了深薄壁類塑料零件的設(shè)計要求、內(nèi)容及方向，有一定的設(shè)計意義。通過對該零件模具的設(shè)計，進(jìn)一步加強(qiáng)了設(shè)計者注塑模設(shè)計的基礎(chǔ)知識，為設(shè)計更復(fù)雜的注塑模具做好了鋪墊和吸取了更深刻的經(jīng)驗。
本設(shè)計運(yùn)用塑料成型工藝及模具設(shè)計的基礎(chǔ)知識，首先分析了塑件的成分及性能要求，為選取澆口的類型做好了準(zhǔn)備；然后估算了塑件的體積，便于選取注塑機(jī)及確定型腔數(shù)量；最后分析了塑件的特征，確定模具的設(shè)計參數(shù)、設(shè)計要點及推出裝置的選取。
本設(shè)計分析了營養(yǎng)快線瓶蓋的成型特點。螺紋部分是是成型的關(guān)鍵環(huán)節(jié)。介紹了模具的分型機(jī)構(gòu)和脫模方式，采用齒輪型芯，用齒輪傳動來帶動齒輪型芯轉(zhuǎn)動實現(xiàn)脫模。通過螺紋傳動來脫模，同時也解決了一模多腔的難點。簡化了模具結(jié)構(gòu)，具有一定的推廣價值。
關(guān)鍵詞：注射模 齒輪型芯 齒輪傳動分型機(jī)構(gòu)
Nutrition Express closure injection mold design
Abstract: This design titled Nutrition Express closure injection mold design , reflects the design requirements of deep thin wall plastic parts , content and direction , there is a certain sense of design . By the design of the mold parts to further strengthen the fundamentals of the design of injection mold designers for designing more complex injection molds and prepared the way and learned a more profound experience.
The use of design basics plastic molding process and mold design , analyzes the composition and performance requirements for plastic parts , for the selected type of gate ready ; then estimate the volume of plastic parts , easy to select and determine the type of injection molding machine the number of cavities ; finally analyzes the characteristics of plastic parts , mold design parameters to determine , design elements and launch the selected device .
The design and analysis of the nutritional characteristics of the fast lane cap molding . Is a key part of the threaded portion is formed . Describes the parting institutions and stripping mode, using gear core , with gear drive gear to rotate the core to achieve release . Threaded drive to stripping, but also solve the difficulty of a multi-cavity mold . Simplifying the mold structure, with certain promotional value.
Key Words： injection mold , gear cores , gear type mechanism