Cutting machine for door lug machining

The utility model belongs to the field of door lug machining, particularly relates to a cutting machine for door lug machining, and aims to solve the problems that in the prior art, manual length marking is needed for cutting, and manual fixing is needed in the cutting process, the following scheme is provided, the cutting machine comprises a U-shaped frame, and an air cylinder is fixedly connected in the U-shaped frame; an output shaft of the air cylinder is fixedly connected with a motor frame, a rotating motor is fixedly connected into the motor frame, one side of the motor frame is fixedly connected with a cutting protection frame, and an output shaft of the rotating motor rotationally penetrates through the cutting protection frame. The first conveying belt and the second conveying belt are driven by the driving motor to rotate, so that a machining material can be moved to the position below the cutting blade, meanwhile, the cutting length of the machining material is guaranteed, the whole cutting proces