Die fixing device

The utility model relates to the technical field of mold fixing, and discloses a mold fixing device which comprises a workbench, a movable plate is arranged on the upper surface of the workbench, a threaded rod is arranged in a strip-shaped groove in the middle of the upper surface of the movable plate, and one end of the threaded rod penetrates through the outer wall of the movable plate to be fixedly connected with a rocker. Fixing plates are arranged at the two ends of the upper surface of the moving plate, first rails are fixedly connected into the strip-shaped grooves in the two sides of the upper surface of the workbench, and supporting legs are fixedly connected into square grooves in the four corners of the lower surface of the workbench; according to the mold fixing device, through the threaded rod, when the mold fixing device is used, the rocker is rotated anticlockwise, so that the threaded rod extrudes the fixing plates at the two ends of the upper surface of the moving plate through the limiting