Safety protection door

The utility model relates to the field of vertical machining centers, and discloses a safety protection door which comprises a door body, and clamping plates are fixedly installed at the top and the bottom of the door body. According to the utility model, after the door body is moved to drive the clamping plate to enter the sliding rail, the motor is started to drive the rotating column to rotate so as to drive the second gear to rotate, and the second gear drives the first gear to rotate so as to drive the threaded cylinder to rotate; and through rotation of the threaded cylinder, the threaded rod drives the second base plate to move in the direction of the first base plate to clamp and fix the clamping plate, so that rapid installation is achieved. The protective door can be rapidly installed without tools, and therefore the problems that when a traditional safety protective door is installed, the protective door and the device are inconvenient to install and connect through the tools by multiple persons, t