Plate vulcanizing machine for rubber processing

The utility model relates to the technical field of press vulcanizers, and discloses a press vulcanizer for rubber processing, which comprises a machine body, a hydraulic cylinder arranged on the inner wall of the machine body, a heating block arranged at the lower end of an output shaft of the hydraulic cylinder, and an adjusting device arranged at the upper end of the machine body, the adjusting device comprises a fixing plate, a supporting plate, a sliding chute, a positioning rod, a sliding block, a connecting block and an extrusion spring, before raw materials are placed, a user can pull an upper pressing plate upwards to separate a lower pressing plate from the upper pressing plate, at the moment, an extrusion spring in a sliding groove is in an extruded state, and then the user directly places the rubber raw materials on the surface of the lower pressing plate; then, after the user loosens the hand, the upper pressing plate can return under the action of the elastic force of an extrusion spring and fix