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[摘 要] : 本模具設計中脫模機構是重要的一個部分，同時它又是一個難點，特別是因為制品兩邊都含有螺紋。該文設計的制品含有內(nèi)螺紋，為了避免側向分芯，而采用動定模兩向脫螺紋方式，同時也要考慮模具設計的成本問題和制品要大批量生產(chǎn)等因素，最終脫模機構采用螺紋自動脫模機構，即采用齒輪齒條 機構和拉動推板的聯(lián)合方式將塑件脫下來。該文介紹了這種脫模 機構的設計要點，也是本問的一個特色。本文還強調(diào)了齒輪齒條機構和螺紋成型芯等各機構之間的協(xié)調(diào)運動，這樣才能使塑件順利地脫下來，最終生產(chǎn)出合格的產(chǎn)品。
關 鍵 字 ：螺紋型芯；齒輪與齒條； 注射模具
Abstract : The organization of drawing of patterns is an important part in this mold design, at the same time it is a difficult point , especially because the products both sides contain the whorl . Products whorl in containing that this article design, for prevent side direction from divide into core, is it move two mould definitely to take off the whorl way to adopt, is it consider cost issue and products of mold design want factor of producing in enormous quantities etc. to want at the same time, final drawing of patterns organization adopt whorl automatic drawing of patterns organization , adopt gear wheel rack organization and is it push union way of board mould one is it get off to take off to spur. This article has introduced the design main point of organization of this kind of drawing of patterns, is a characteristic that originally asks too. This text has also emphasized such coordination sports between every organization as the rack organization of the gear wheel and whorl shaping core ,etc., could is it mould piece is it come down to take off smooth , output qualified product all one's life most to make in this way.
Key word: Whorl type core; Gear wheel and rack; Inject the mould