Roll bearing seat lossless dismounting and mounting equipment for copper plate strip

The utility model discloses lossless dismounting and mounting equipment for a roller bearing seat for a copper strip, which comprises an assembling trolley arranged on a working table, a roller supporting seat is fixedly connected to the position of the center of the upper surface of the working table, and roller supporting surfaces inclined outwards are arranged at the upper ends of two side walls of the roller supporting seat; a fixing plate is arranged between the two side walls of the roller supporting seat, a horizontally-arranged two-way lead screw is rotationally connected to the fixing plate, and the two ends of the two-way lead screw are connected with shaft shoulder positioning plates capable of sliding linearly in a rolling mode respectively. A driving mechanism for driving the two-way lead screw to rotate is further fixedly arranged on the fixing plate, third telescopic cylinders are symmetrically and fixedly arranged on the outer surfaces of the two side walls of the roller supporting seat, and t