Dustproof drum sieve

The utility model provides a dustproof drum sieve, is including a sieve section of thick bamboo and cover the dust cover of locating sieve section of thick bamboo upper portion, and the dust cover topis equipped with the raise dust export, and the raise dust is connected with the dust leg on exporting, and the dust leg end is equipped with the raise dust collecting pit, is equipped with the suction fan on the dust leg, raise dust export below be equipped with with the dust cover in the filter screen of wall connection. In the time of work, material and raise dust come out from a sieve sectionof thick bamboo, and the suction fan starts, suck the dust leg with the raise dust, and the raise dust is collected in the raise dust collecting pit the most at last, after using a period, can startelectric putter for electric putter runs into the filter screen and drives the filter screen shake, when the raise dust is many on the filter screen, can spurs the mounting panel and pull out the filter screen from the dust cov