Second grade building stones reducing mechanism of ability dust absorption

The utility model provides a second grade building stones reducing mechanism of ability dust absorption, including box, one -level reducing mechanism, second grade reducing mechanism and dust extraction, the bottom of box is equipped with the bottom plate, the middle part of bottom plate is equipped with row material pipe, is equipped with the filter screen on row's material pipe, the one -level reducing mechanism comprises from driving wheel and second installation axle from driving wheel, first installation axle, second belt, second action wheel, second motor, third initiative smashing cylinder, driven smashing cylinder, quartering hammer, second, the second grade reducing mechanism comprises first motor, first action wheel, a crushing block, baffle, independent smashing cylinder, connecting block, pivot, first driving wheel, first belt and the 2nd crushing block of following, dust extraction fixes on the right side of box, the last dust absorption pipe that is connected with of dust extraction, and the dus