High-precision plastic mold with rapid cooling device

The utility model discloses a high-precision plastic mould with a quick cooling device, and relates to the technical field of plastic moulds, the high-precision plastic mould comprises a bottom plate and a lower mould, the lower mould is fixedly arranged on the upper surface of the bottom plate, an upper mould is arranged on the upper surface of the lower mould in an abutting manner, L-shaped plates are rotationally arranged on the two sides of the upper surface of the bottom plate, and the L-shaped plates are arranged on the lower surface of the bottom plate. Two L-shaped plates are fixedly arranged on the upper die, rack plates are fixedly arranged on the inner sides of the two L-shaped plates, rotating rods are fixedly arranged on the two sides of the upper die, gears are fixedly connected to one ends of the outer sides of the rotating rods in a sleeving mode, and the two gears are matched with the corresponding rack plates; a first transmission mechanism for driving the upper die to move is arranged betwe