▎ 摘　　要

NOVELTY - The utility model relates to the technical field of mould cooling device, claims a plastic mould cooling device, the utility model comprises a plastic mould, the plastic mould is composed of a lower mould and an upper mould covered on the lower mould, further comprising a cooling rotating handle, one end of the cooling rotating handle is fixedly provided with a cooling gas placenta, the cooling gas placental is storable between the upper mould and the lower mould, further comprising a high pressure gas tank and a gas compressor for charging the high pressure gas tank. The utility model is compressed to the high pressure air tank by the air compressor, part is introduced into the rear arm, after the upper mould and the lower mould are separated, the stepping motor drives the cooling air placenta into the upper mould and the lower mould, the lower mould and the upper mould are slightly pressed so that the end face thereof is attached to the rubber ring, then the electromagnetic stop valve connected in series on the rear arm is opened so that the high pressure gas quickly puns to the upper mould and the lower mould and overflow from the gap.