Equipment for removing dirt on two sides before installation based on turnover type light-emitting plate

The invention relates to the technical field of light-emitting plate descaling, in particular to double-face dirt removing equipment based on an overturning type light-emitting plate before installation. The dirt cleaning device comprises a bottom plate, a supporting frame is arranged at the edge of the top of the bottom plate, grooves are formed in the inner surface of the supporting frame, the dirt cleaning mechanism at least comprises rotating rods, the two rotating rods are rotationally arranged in the two grooves respectively, the ends of the rotating rods are connected with linkage gears, the outer walls of the linkage gears are meshed with two symmetrical racks, and fixing frames are arranged at the ends of the racks; the end of the rotating rod rotationally penetrates through the surface of the supporting frame and is fixedly connected with the surface of the overturning plate, and adjusting plates are arranged on the two sides of the overturning plate; and the sweeping plate is slidably arranged betw