Pneumatic transmission is a relatively new technology. It is a method in which fluid (compressed air) is used as a working medium for energy transfer and control. Due to the unique physical properties of compressed air and air, it plays a very important role in energy transfer, system control, support, and friction reduction. Therefore, pneumatic technology has developed rapidly and is now widely used in agriculture, industry, national defense, etc. each department. At present, pneumatic transmission technology is developing in the direction of energy saving, miniaturization, light weight, high-precision position control, and integrated control technology that combines mechanical, electrical, and liquid phases. The entire non-woven fabric motor silencer foam continuous production device has the following components: a motor that drives the cutting knife to rotate and a cylinder that moves the cutting knife. The motor selects the small motor as the drag motor of the cutting knife, because there is no additional speed regulation requirement for it except for its own acceleration and deceleration changes when starting, and no reverse control is required.