Ground grooving device for indoor decoration

The utility model discloses a ground slotting device for indoor decoration, which comprises a protective shell, a cutting mechanism is arranged on the inner wall of the protective shell, a dust collector is arranged above the cutting mechanism, side boxes are fixedly connected to the front side and the back side of the protective shell, threaded columns are rotatably connected to the inner walls of the side boxes, and the threaded columns are fixedly connected to the protective shell. The top of the threaded column is fixedly connected with a knob, the surface of the threaded column is in threaded connection with a threaded sleeve, the surface of the threaded sleeve is fixedly connected with a supporting column, a sliding groove is formed in the bottom face of the side box in a penetrating mode, the inner wall of the sliding groove is slidably connected with the surface of the supporting column, and the bottom of the supporting column is fixedly connected with a supporting plate. A connecting column is fixedl