Grooving device

The utility model discloses a grooving device which comprises a machine shell, a first motor is arranged in the machine shell, a circular grooving cutter is arranged on a driving shaft of the first motor, the grooving cutter protrudes out of a bottom plate of the machine shell along the radial portion of the grooving cutter, saw blades are arranged on the two sides of the grooving cutter respectively, the two saw blades rotate in the same direction with the grooving cutter, and the grooving device further comprises a lifting mechanism and a driving mechanism, the lifting mechanism is matched with the machine shell, and the lifting mechanism is used for driving the machine shell to move up and down so as to realize grooving of the wall body; the dust suction mechanism is arranged between the lifting mechanism and the grooving cutter and used for sucking and collecting generated dust. The machine shell is driven by the lifting mechanism to move up and down, a channel which is straight in line and meets the requ