Roller seat device

The utility model discloses a roller seat device, which is used to resolve the problem of a steel ball surface trace detector how a steel ball surface is led to spread in a light source detector adequately, so that trace signals of the steel ball surface are sent to a computer to analyze, judge and process. The roller seat device comprises a base, a roller seat, a main axle, a bearing cover, a roller, a main axle sleeve, a pull rod seat, a ball shoving device and a brush seat. Wherein the roller seat is installed on the base, the main axle is installed in the roller seat, the roller is installed on the main axle, the bearing cover is installed on an end surface of the roller seat, the main axle sleeve is installed on the roller seat, the pull rod seat is installed on the main axle sleeve, the ball shoving device is installed on the pull rod seat, the brush seat is installed on the base. The roller seat device of the utility model is mainly used on the steel ball surface trace detector.