A special injection mould with multi-core puller to fit the needs of the injection moulding piece-plastic wind wheel,is described.

• 风轮塑件上有12个周向均布的圆弧形叶片,注塑生产时需要多型芯圆弧抽芯,常规的注塑模结构不能满足生产要求,为此设计了一种特殊的风轮注塑模具。