Central processing unit heat dissipation assembly

The invention belongs to the technical field of processor heat dissipation, and particularly relates to a central processor heat dissipation assembly which comprises a mounting frame, mounting openings are formed in the left side wall and the right side wall of the mounting frame, a mounting pipe communicated with the mounting openings is arranged on the inner side wall of the mounting frame, and a heat dissipation fan is arranged on the inner side of the mounting pipe. A mounting frame is detachably arranged on the inner side of the mounting opening, a heat dissipation net plate is arranged on the side, away from the heat dissipation fan, of the mounting frame, a transverse connecting rod is rotationally arranged in the mounting frame, transverse threaded rods are arranged at the two ends of the connecting rod, and the thread directions of the two threaded rods are opposite and are in threaded connection with movable blocks correspondingly. According to the invention, the reciprocating strip-shaped brush can