Groove planing machine facilitating waste recovery

The utility model discloses a dadoing machine convenient for waste recovery, which comprises a base, a dadoing machine body is welded at the top of the base, a dadoing mechanism is fixedly connected with the output end of the dadoing machine body, and a limiting component is fixedly connected with an inner cavity of the dadoing machine body. The movable box, the mounting block, the mounting frame, the mounting groove, the positioning groove, the cutter, the positioning block, the limiting plate, the positioning bolt, the cleaning brush, the first recycling box, the first material suction cover, the first sucking pump, the second recycling box, the second material suction cover, the second sucking pump and the discharging cover are used in cooperation. The problems that in the prior art, in order to solve the problems that a cutter needs to be frequently replaced due to too serious abrasion, but during replacement, the cutter can be replaced only by completely disassembling a plurality of sets of bolts, and du