Press machine capable of reducing workpiece deformation

The utility model discloses a press machine capable of reducing workpiece deformation, which belongs to the technical field of press machines, and comprises a press machine body, an air cylinder and a pressure plate, the press machine body is provided with an installation chamber, the installation chamber is rotatably provided with a support rod, the support rod is fixedly provided with a tooth-shaped block, the installation chamber is fixedly provided with a servo motor, and the servo motor is fixedly provided with an air cylinder. A rotating shaft of the servo motor is fixedly connected with a gear, the gear is meshed with the tooth-shaped block, the supporting rod is in threaded connection with a fixing plate, the fixing plate is fixedly connected with a plurality of fixing rods, the machine body is provided with a fixing hole, the fixing rods are located in the fixing hole, and the supporting rod is fixedly connected with the supporting rod. The machine body is provided with a positioning die, the positio