Feeding mechanism of injection machine

The utility model discloses a feeding mechanism of an injection machine, and relates to the technical field of feeding mechanisms. The feeding mechanism of the injection machine comprises a feeding base, the upper surface of the feeding base is fixedly connected with two fixing plates which are correspondingly arranged front and back, lifting devices are arranged on the opposite faces of the two fixing plates, and third supporting plates are arranged on the upper surfaces of the two fixing plates; the front end and the rear end of the lower surface of the third supporting plate are each fixedly connected with two first fixing blocks which are correspondingly arranged in the left-right direction, and the four lifting plates can jack up the whole third supporting plate through the four first fixing blocks when moving towards the relative positions. Meanwhile, a third supporting plate moves upwards to drive a fixing column to move upwards through two rectangular clamping plates and the outer wall of a transmissi