Purifying device for medical instrument production laboratory

The utility model discloses a medical instrument production laboratory purification device, which comprises a purification box body and a front filter screen, the lower end of the inside of the purification box body is provided with a suction cavity, the bottom of the front end of the outside of the purification box body is fixedly provided with an air inlet, the side wall of the air inlet is provided with a rotating rod, the outside of the rotating rod is sleeved with an adjusting grating, and the adjusting grating is provided with an air inlet. A first purification cavity is formed in the upper end of the suction cavity, sliding ways are arranged on the left side and the right side of the interior of the first purification cavity, and the front filter screen is arranged in the first purification cavity. When the purification device for the medical instrument production laboratory is used, a worker can conveniently clean and replace a filter screen through the arrangement of the supporting assembly, the disa