Vulcanizing machine

The utility model relates to the field of rubber machineries, and discloses a vulcanizing machine. The vulcanizing machine comprises a central mechanism, a lower hot plate and a lower base plate, wherein the central mechanism is provided with an annular cylinder, the central mechanism and the annular cylinder are fixedly arranged, the annular cylinder is oriented by the lower base plate, and the annular cylinder can ensure the coaxiality of the lower hot plate and the lower base plate in the process of running; and an anti-rotating mechanism is arranged between the annular cylinder and an upper annular oil cylinder flange plate, so that a problem that an annular seat cylinder easily rotates in the process of moving upwards and downwards is solved. The vulcanizing machine disclosed by the utility model is simple and compact in structure and easy to implement, and is cable of reducing the production cost and increasing the installation and maintenance spaces; and the vulcanizing machine is convenient to install