Composite medium density fiberboard treatment device

The utility model provides a composite type medium density fiberboard processing device which comprises a roller conveying belt, a portal frame is arranged on the outer side of the roller conveying belt in a sleeved mode, first telescopic air cylinders are embedded in a front vertical plate and a rear vertical plate of the portal frame respectively, and a box body with the inner side face opened is arranged at the tail end of a telescopic rod of each first telescopic air cylinder. Guide rollers are rotationally arranged at the left end and the right end in the box body, and a frosted belt is arranged between the guide rollers at the left end and the right end in a sleeving manner; a pressing piece used for limiting the composite medium density fiberboard is arranged at the left end of the lower surface of a transverse plate of the portal frame, and a slitting piece used for achieving slitting of the composite medium density fiberboard is arranged at the right end of the lower surface of the transverse plate o