Impermeable wall grooving machine

The utility model relates to an impervious wall grooving machine which comprises a bottom plate, two fixing plates fixed to the left end and the right end of the upper surface of the bottom plate, two dust falling assemblies arranged on the upper surface of the bottom plate, a height adjusting assembly arranged between the two fixing plates and a motor fixed to the upper portion of the height adjusting assembly. A cutter is fixed to an output shaft of the motor, a grip is fixed to the outer surface of the motor, a protective shell is fixed to the front face of the motor, and the dust falling assembly comprises a water guide plate fixed to the upper surface of the bottom plate. According to the anti-seepage wall grooving machine, through the dust falling assembly arranged on the upper surface of the bottom plate, a user can conveniently adjust the water spraying amount, dust particles generated in the grooving process are inhibited, harm of dust to the body is effectively avoided, the safety of the user is imp