Ball head grinding device for ball head connecting rod

The ball grinding device for the ball connecting rod comprises a work fixing frame, positioning foot stools are arranged at the corners of the edge of the bottom of the work fixing frame respectively, a mounting base is arranged at the bottoms of the positioning foot stools, a main grinding fixing mechanism is arranged in the center of the work fixing frame, and a grinding wheel is arranged on the main grinding fixing mechanism. The left side wall and the right side wall of the work fixing frame are each provided with a set of auxiliary grinding fixing mechanism, and the inner sides of the auxiliary grinding fixing mechanisms are each provided with a grinding device. The multiple sets of polishing fixing mechanisms are symmetrically arranged in the inner cavity of the work fixing frame, two sets of connecting rod ball heads can be polished at the same time in cooperation with the independently-arranged polishing mechanisms, the two sets of polishing fixing mechanisms are arranged in a front-and-back staggered