Injection mold convenient to throttle

The utility model discloses an injection mold convenient to throttle, its technical scheme main points are, including cover half, bottom plate, be equipped with a plurality of guiding gutters on the cover half, be used for runner, a plurality of die cavity of feeding, the guiding gutter of intercommunication die cavity crosses in the node characterized by with the guiding gutter of intercommunication runner: be equipped with switching device on the node, switching device includes rotating member, driving piece, setting element, and the rotating member surface is equipped with the runner that is used for communicateing many guiding gutters, is equipped with opening three at least and that the guiding gutter notch docks on the runner, and the rotation of driving piece drive rotating member makes opening and the butt joint of guiding gutter notch perhaps misplace, so both can utilize a guiding gutter all die cavities of moulding plastics, and also can close partly die cavity, the switching of each die cavity of adjustment that just so can be nimble is had large improvement than original individualistic function of switch that can only have.