Abrasive paper polishing equipment for boards for conveniently and rapidly building wooden house

The invention discloses an abrasive paper polishing device for boards for conveniently and rapidly building a wooden house, and relates to the field of board abrasive paper polishing. The abrasive paper polishing device comprises a machine table, a PLC control cabinet and a displayer; one end of the inner side of the conveying frame is meshed with the driving structure, and a plurality of positioning tools are arranged on the outer side face of the conveying frame; the positioning tool comprises a connecting frame, a direction adjusting frame and a side clamping structure, and the two ends of the side clamping structure are clamped on the solid wood board; the grinding assembly comprises a portal frame, a sliding frame, a base table, a plurality of sets of side pushing structures with the tops hinged to the base table, a center fixing base hinged to the bottoms of the side pushing structures, a rotating piece installed in the middle of the center fixing base and extending towards the position away from the ce