N95 sheet making machine

An N95 sheet making machine sequentially comprises a material roll discharging device, a cutting and welding device and a finished product output device in the material conveying direction. The cutting and welding device sequentially comprises a nose bridge strip cutting mechanism, a mask welding tooth die roller welding mechanism, an automatic die cutting mechanism and a traction mechanism in the material conveying direction. The nose bridge strip cutting mechanism comprises a nose line guide plate, a line passing straight wheel matched with the nose line guide plate, a nose line cutter and a first driving mechanism. The mask welding tooth mold roller welding mechanism comprises an ultrasonic vibrator, an ultrasonic transducer matched with the ultrasonic vibrator, a welding tooth mold roller arranged above the ultrasonic transducer and a second driving mechanism for driving the welding tooth mold roller; the automatic die-cutting mechanism comprises a die-cutting knife roller, a die-cutting knife pillow matc