Loading ball screw pair running-in machine

The utility model discloses a loading ball screw pair running-in machine, which relates to the field of ball screw pair processing equipment, and adopts the technical scheme that the loading ball screw pair running-in machine comprises a running-in machine body, a working table is mounted at the top of the running-in machine body, a control board is mounted at the top of the working table, and a headstock top clamp is fixedly connected to the right side of the control board; a tailstock top clamp is installed at the top of the workbench, a nut fixing frame is installed at the top of the workbench, a gearbox is fixedly connected to the inner wall of the running-in machine body, a direct current motor is installed on one side of the gearbox, and a frequency converter is fixedly connected to the outer surface of one side of the running-in machine body. The utility model has the beneficial effects that two ball screw pairs can be clamped at the same time, the load can be set according to the load of the ball scre