Belt vulcanizing machine is made of 380V electric heating element and light aluminum alloy. It has small volume, light weight and easy disassembly and assembly. At the same time, it has the characteristics of fast heating, uniform temperature and high thermal efficiency. The belt vulcanizing machine is suitable for the connection of belt in metallurgy, power plant, port, chemical plant, mine, etc. through this machine, not only the joint is smooth, almost the same as the original belt, but also can reduce the wear of drum and prolong the service life of conveyor and conveyor belt.