| 摘要 |
A cooling device for molds in an injection molding machine includes a rotational cooling head, which is disposed in the male mold part. The cooling head provides a plurality of color mold sets with a shaft being disposed at an end of the center of the cooling head for being passed through with cooling liquid. The cooling head is driven by a gear with a rack to rotate the color mold sets. The liquid moves along the intake pipe and passages in the center of the cooling head for controlling circulation of the cooling liquid.
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