Liquid sanitary napkin machine processing workshop commonly used protective devices include protective cover, protective baffle, protective railing, protective net, etc. In the transmission belt of the equipment, the bright gear should be installed close to the ground coupling, rotating shaft, pulley, flywheel, grinding wheel, chainsaw and other dangerous parts. The rotating parts of liquid sanitary napkin pressure machinery, such as presses, rollers, calenders, planers, shears, etc., should be equipped with safety devices. Protective shields are used to isolate exposed rotating parts, such as pulleys, gears, sprockets, rotating shafts, etc. Protective baffle, protective net has two forms: fixed and movable, which plays the role of isolation and prevention of metal chip splash. Protective rails are used to prevent fall of overhead workers or to delineate safety areas. Generally speaking, the forms of guards mainly include fixed guards, interlocking guards and automatic guards.