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基于剃须刀外壳塑件的结构特点和质量要求,分析了其注塑模具的设计要点和注意事项。模具采用了“定模斜顶+动模斜顶”侧向抽芯机构,浇注系统采用潜伏式浇口。塑件内部加强筋采用动模镶件成型,方便加工并兼起排气作用,模具排气系统、冷却系统设计合理,注塑制品由顶针、司筒和斜顶联合推出。该模具工作可靠,成型塑件符合客户要求,为类似注塑模具设计提供了参考。
Based on the structural characteristics and quality requirements of razor shell plastic parts, the design essentials and precautions of injection mold are analyzed. The mold adopts “fixed mold inclined top + movable mold inclined top ” lateral core pulling mechanism, the pouring system adopts the latent gate. The inner part of the plastic part is formed by the movable mold insert, which is convenient for machining and combines exhaust function. The mold exhaust system and the cooling system are designed reasonably. The injection molded parts are jointly launched by the thimble, the cylinder and the inclined top. The mold work reliably, molding plastic parts meet customer requirements, for similar injection mold design provides a reference.