Board baking machine for PCB processing

The invention provides a board baking machine for PCB processing, and relates to the technical field of PCB processing equipment.The board baking machine comprises a tunnel heating box, a plurality of heating box supporting legs are fixedly installed at the two ends of the lower side of the tunnel heating box correspondingly, and a board feeding assembly used for transmitting boards is fixedly installed on the inner side of the tunnel heating box; a drying box connecting table is fixedly connected to the rear end of the plate feeding assembly, a drying box is fixedly connected to one end of the drying box connecting table, and two drying box doors capable of being opened are arranged on the surface of the rear side of the drying box. The etched plates are placed on the plate feeding assembly to be conveyed and dried through the tunnel heating box, the plate feeding assembly can erect the plates one by one in the conveying process, the two faces of each plate can be evenly dried, then the plates slide to the d