Safe multifunctional injection molding machine

The utility model relates to the technical field of injection molding machines, and discloses a safety type multifunctional injection molding machine which comprises an injection molding machine body, a mounting plate is mounted on one side of the top end of the injection molding machine body, a movable groove is transversely formed in the middle of the mounting plate, and a threaded rod is transversely and movably inserted into the movable groove in a penetrating mode. Threaded sleeves are mounted on the two sides of the threaded rod in a threaded mode, clamping blocks are mounted at the top ends of the threaded sleeves, and movable mechanisms are mounted on the two sides of the top end of the mounting plate. An electric push rod extends to drive a driving motor to move, so that a polishing block can make contact with a workpiece, the driving motor drives the polishing block to rotate at a high speed, the surface of the workpiece can be polished, a fixing frame is pulled to drive a limiting wheel to roll in