Fixing device for plastic product production

The utility model discloses a fixing device for plastic product production, which comprises a working table, a cavity is arranged in the working table, a plurality of U-shaped pressing plates are movably arranged in the cavity, the upper ends of the U-shaped pressing plates penetrate out of the cavity, a plurality of transverse plates are arranged between the two U-shaped pressing plates, and the transverse plates are arranged on the working table. The bottom ends of the two U-shaped pressing plates are provided with the same transverse plate, a fixing mechanism is arranged in the middle of the interior of the cavity and comprises a motor and a rotating rod, the motor is installed on the rear side of the interior of the cavity, and the rotating rod is installed on an output shaft of the motor. The end, away from an output shaft of the motor, of the rotating rod is rotationally connected with the inner wall of the cavity, and the motor is electrically connected with an external terminal controller. When the pl