Weeding robot for lawn weeding

The utility model discloses a weeding robot for lawn weeding. A rear wheel driving motor (2) is connected with a rear wheel (1) through a coupler; the axle (5) is fixedly connected to the lower side of the front part of the body platform (3); spherical universal wheels (7) are mounted at the lower parts of the universal wheel brackets (8); the rear end of the upper supporting rod (6) is connectedwith a cylindrical straight gear (13); the lower supporting rod (12) is hinged to the protective cover (9), and the weeding driving motor (11) is connected with the weeding blade (10); the cylindricalstraight gear (13) is meshed with a sector gear (14), the rear end of a driving connecting rod (15) is hinged to the sector gear (14), the front end of the hinged driving connecting rod (15) is hinged to a crank block (16), and the tail end of the crank block (16) is connected with a crank driving motor (162); a battery pack (18) provides power. The lawn mower can be suitable for automatic weeding operation of various law