Numerically-controlled machine tool isolation door with good sealing performance

The utility model relates to the technical field of isolation doors, in particular to a numerical control machine tool isolation door with good sealing performance. According to the technical scheme, the device comprises an operation machine tool, a cleaning mechanism and an air bag, a box door is installed on the front face of the operation machine tool through hinges, an observation window is embedded in the front face of the box door, and the cleaning mechanism is fixedly installed on the back face of the box door and comprises a servo motor; a supporting rod is fixedly installed at the output end of the servo motor; one side of the cleaning scraper is in contact connection with the back of the observation window. The controller controls the servo motor to be powered on and operate through the wire to drive the supporting rod to rotate, the cleaning scraper can be driven to rotate through the rotating supporting rod, the back face of the observation window can be scraped and cleaned through the rotating cl