Semi -automatic processing line is with dustproof breathing mask

The utility model discloses a semi -automatic processing line is with dustproof breathing mask, including crossbearer and branch, the both ends of crossbearer are passed through fixed connection branch and are supported on the bottom surface, the front of crossbearer evenly under to is equipped with three track groove from last, be equipped with the spout in the inner wall in track groove, every track inslot all is equipped with the slider that closes with chute match, the front of slider is equipped with the stay tube and removes the handle, the stay tube is connected with the scavenger fan through first connecting pipe, the bottom of scavenger fan is connected with the flexible pipe of first spiral, the bottom of the flexible pipe of first spiral is connected with the face guard, the one end in each track groove all is equipped with the flexible pipe of second spiral, third connecting pipe and external intercommunication are passed through to the one end of the flexible pipe of second spiral, the other end