The closed molding machine is an important equipment in the rubber industry. It is widely used in the production of various rubber products, such as tires, rubber belts, and rubber hoses. The closed molding machine can provide a high-pressure and high-temperature environment, which is conducive to the vulcanization of rubber. It has the advantages of high production efficiency, good product quality, and low energy consumption. The closed molding machine is usually composed of a heating system, a pressure system, a mold system, and a control system. The heating system is used to heat the rubber material to the required temperature, and the pressure system is used to apply pressure to the rubber material to make it vulcanize. The mold system is used to shape the rubber product, and the control system is used to control the operation of the entire machine. In recent years, with the development of technology, the closed molding machine has been continuously improved and developed. New technologies such as automatic control, energy saving, and environmental protection have been widely applied in the closed molding machine, making it more efficient, stable, and environmentally friendly. In general, the closed molding machine is an essential equipment in the rubber industry, and its development and application will play an important role in the production of rubber products.