Light source seat

The invention discloses a light source seat which is used for solving the problem of the collecting of the surface trace of a steel ball in the process of detecting the surface trace of the steel ball. The light source seat disclosed by the invention comprises a front press plate, a rear press plate, an optical fiber frame, an optical fiber receiving seat and an optical fiber emitting seat, wherein the optical fiber frame is respectively connected with and fixed on the front press plate, the optical fiber receiving seat and the rear press plate through screws; the optical fiber receiving seat and the optical fiber emitting seat are connected and fixed together through screws; holes which have the same radius and are provided with circular arc inclined planes are arranged on the same end surface of the optical fiber receiving seat and the optical fiber emitting seat; and optical fiber holes are uniformly distributed on the inner wall of the each hole along the circumference. The light source seat disclosed by