Sponge mold design method and device

The invention provides a sponge mold design method and device. According to the injection amount of sponge as a raw material of a product and a sponge foaming reaction formula, the weight of CO2 is calculated, and according to the weight of CO2, the volume of CO2 is obtained; based on the ratio of the volume of CO2 to the number of air-exhaust tanks in a sponge mold corresponding to different preset products, the number of the air-exhaust tanks in the sponge mold of the product is determined, and according to the structural complexity of different parts of the sponge mold, the position, depth and width of each air-exhaust tank are reasonably set; with the cooperation of the sponge pouring process, according to the type of the product, pouring trajectory of the sponge mold is determined; according to the pouring trajectory of the sponge mold, the number of the air-exhaust tanks in the sponge mold and the position, depth and width of each air-exhaust tank, the sponge mold is reasonably designed, so that CO2 gen