Notch safety protection mechanism of pre-plasticized pipeline protective cover for injection molding machine

The utility model discloses a notch safety protection mechanism of a pre-plasticized pipeline protective cover for an injection molding machine, which is characterized by comprising a movable block, a first foldable component and a second foldable component, one side of the first foldable component is connected with one side of the movable block, one side of the second foldable component is connected with the other side of the movable block, and the movable block is connected with the first foldable component. The other side of the first foldable component and the other side of the second foldable component are correspondingly and fixedly connected with the left side and the right side of a notch of a protective cover installed on an injection molding unit of an injection molding machine, and a plurality of pipe passing holes which are the same as pre-molding pipelines of the hydraulic pre-molding motor in number and position distribution are formed in the movable block. The hydraulic pre-molding motor has th