| 摘要 |
PROBLEM TO BE SOLVED: To selectively cool core pins, which tends to overheat, by a method wherein a cooling block, which shifts from outside a mold clamping area into the mold clamping area under the state that a fixed mold and a movable mold are open so as to come into contact with the core pins in order to forcibly cool the core pins through heat conduction, is provided. SOLUTION: A core pin cooling device 1 is provided shiftably by means of the arm 11 of a multispindle robot means or the like under the state that a fixed mold 52 and a movable mold 53 are open. The core pin cooling device 1 is equipped with a heat exchanging cooling plate 2, and a cooling block 3 which forcibly cools core pins 55... through heat conduction, The cooling block 3 consists of a lump-like body having a high heat conductivity and a flexibility so as to deform in response to the shapes of the core pins 55... in order to convey the core pins 55... with the block, resulting in enlarging the contact area with the core pins 55....
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