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塑料手柄注塑模設(shè)計 摘要 本設(shè)計題目為手柄注塑模設(shè)計 體現(xiàn)了塑料制品的設(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 進一步加強了設(shè)計者注塑模的基礎(chǔ)知識 為設(shè)計更復(fù)雜的注塑模具做好了鋪墊幷吸取了更深刻的經(jīng)驗 本設(shè)計運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備 然后估算了塑件的體積 便于選取注塑機及確定 型腔數(shù)目 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 通過分析塑料手柄的工藝性 可知塑件采用內(nèi)抽芯機構(gòu)進行脫模 由圖可知 手 柄為兩個局部段 對應(yīng)在模具上制成兩個內(nèi)抽的滑塊 這些滑塊始終不脫離型芯座 由于手柄部分要求嚴格 所以采用側(cè)澆口澆注系統(tǒng) 脫模后不在修正澆口的痕跡 但 采用這種澆口時 常常要在模具上增加一個分型面 以便澆口凝料脫模 關(guān)鍵詞 工藝分析 塑件成型澆 注系統(tǒng) 模具結(jié)構(gòu) DESIGN OF INJECTION MOULD FORPLASTIC HANDLE ABSTRACT This design topic is the handle of the injection mold design the design of plastic products content and direction of requirements the design of a certain significance Through the design of the die parts further strengthen the basic knowledge of injection mold designers paving the way and draw a more profound experience for the injection mold design more complex This design using the basic knowledge of plastic molding process and mold design first analyzes the composition and performance of the plastic parts ready to select the type of gate plastic parts and estimated the volume to select the injection molding machine and determine the number of cavity finally analyses the characteristics of plastic parts the design key points to determine the design parameters die and selection launch device Through the technological analysis of the plastic handle plastic parts with internal core pulling mechanism of release it can be seen from the figure the handle is the two partial sections corresponding to the mould made of block two pumping the slider is always not from core seat The handle part is strict so the side gate after stripping without correction gate But the gate often to add a parting surface in the mould so that the gate gas ejector KEYWORDS process analysis plastic molding casting system die structure