本文对灭火器筒座的注塑模的设计结构进行了叙述，其侧向抽芯机构具有简易、可靠等特点。

The structure of injection mould for cylinder holder of fire extinguisher is introduced. The lateral core puller is simple and reliable.

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采用了侧向抽芯机构、活动型芯的新型定位方式，保证了孔的位置精度，可生产合格的产品。

Using the side core-pulling mechanism and new orientation style of activity core to ensure the accuracy of hole locations, the qualified products can be produced.

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掌握长抽距或斜抽芯塑件的结构工艺分析及抽芯距、抽芯力的计算，齿轮、齿条注射模侧向抽芯机构的原理和齿轮、齿条设计要点尤其关键。

At the same time, introduce the principle of side core-pulling mechanism of gear and rack injection mold, and design gist of a rack.

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