Teaching dust-free dry grinding equipment

The teaching dust-free dry grinding equipment comprises a cabinet body, a grinding head and a filtering box, a filtering net plate and a cleaning assembly are fixedly installed at the position, close to the top end, in the filtering box, the cleaning assembly comprises a motor, and the power output end of the motor penetrates through the filtering box and is fixedly connected with a threaded lead screw; a sliding nut is mounted outside the threaded screw rod in a sliding manner; according to the dust removal device, through the installed cleaning assembly, the vibration motor works to drive the vibration plate to swing up and down, so that the cleaning brush can be driven to vibrate up and down, vibration can be conducted to the filter screen plate through the cleaning brush, the filter screen plate can slightly vibrate, dust adhering to the filter screen plate can be vibrated off, and the dust removal effect is improved. And through sweeping of a cleaning brush, dust and impurities accumulated on the filter