Papermaking machine breast roll shaking supporting mechanism

The utility model discloses a breast roll shaking supporting mechanism for a paper machine. The breast roll shaking supporting mechanism comprises two supporting frames arranged at the two ends of a breast roll in parallel, two mounting bases arranged at the two ends of the breast roll and rotationally connected with the breast roll, and two elastic assemblies connected between the mounting bases and the supporting frames. Each elastic assembly comprises a first spring plate and a second spring plate, the first spring plate is vertically arranged, the upper end of the first spring plate is connected with the supporting frame, the mounting base is fixedly connected to the lower end of the first spring plate in a suspended mode, the second spring plate is horizontally arranged, and one end of the second spring plate is connected with the mounting base. The other end of the second spring plate is connected with the supporting frame, and the first spring plate and the second spring plate are deflected in a recipr