Automatic brick surface cleaning device

The invention discloses an automatic tile surface cleaning device which comprises a machine frame, a feeding assembly and a cleaning head assembly, the feeding assembly and the cleaning head assembly are arranged on the machine frame, the feeding assembly is provided with a plurality of feeding belts used for conveying tiles and a feeding motor driving the feeding belts to do feeding action, and the feeding belts are arranged on the machine frame in the direction perpendicular to the feeding direction; a plurality of rows of brush heads of the cleaning head assembly are arranged on the rack in the feeding direction of the feeding belt, the brush heads are provided with cleaning motors in a one-to-one correspondence mode, and the cleaning motors are connected with rotating shafts and drive the brush heads through the rotating shafts. The brush heads are arranged below feeding gaps of the multiple sets of feeding belts, the upper portions of the multiple rows of brush heads are arranged in a coplanar mode in th