Precision detection device for ball screw production

The utility model relates to the technical field of ball screws, in particular to a precision detection device for ball screw production. According to the technical scheme, the device comprises a detection table, a movable L-shaped seat, a fixing mechanism and a grinding mechanism, two fixing seats are symmetrically installed on the upper surface of the detection table, the fixing L-shaped seat is installed on the inner side of the fixing seat at the right end, two polished rods are installed between the lower end of the fixing L-shaped seat and the fixing seat on the left side, and a sliding column is installed behind the left side of the vertical end of the fixing L-shaped seat; the bottom and the upper end of the movable L-shaped seat are slidably connected with the two polished rods and the sliding column respectively, rectangular grooves are formed in the middles of the front faces of the vertical ends of the movable L-shaped seat and the fixed L-shaped seat, fixing mechanisms are installed at the tops o