Noise reduction device for numerical control machine tool

The utility model relates to the technical field of numerical control machine tools, in particular to a noise reduction device for a numerical control machine tool. According to the technical scheme, the noise reduction device comprises a first mounting plate and a second mounting plate and is characterized in that a noise reduction pipe is fixedly mounted on one side of the first mounting plate, a noise reduction barrel is arranged in the noise reduction pipe, noise reduction cotton is fixedly mounted on the inner wall of the noise reduction pipe, grooves are evenly distributed in the noise reduction cotton, and a protection cover is arranged on one side of the second mounting plate. According to the machine tool noise reduction device, the blowing fan is matched with the noise reduction barrel and the noise reduction cotton, noise generated during operation of a machine tool can be blown to one side, so that transmission of the noise in other directions is reduced, meanwhile, the noise can be subjected to n