The utility model relates to the technical field of crushing and
grinding, specifically to a kind of crushing and
grinding device for
waste rubber tire recycling and
processing, including the box of one end open one end closed, first through-hole is set up in the box, the first through-hole is set up in the box, two first sliding slots are set up, the screening
assembly includes two sliding strips,
sieve plate, extension plate, collection plate and two first limiting plates, extension plate slides, because
sieve plate is fixed on sliding strip, make
sieve plate slide along first sliding slot, by extension plate quick shaking, realize vibration, because sieve plate is inclined design, make unqualified rubber
powder move to the other side, make rubber
powder slowly from collection plate into secondary
grinding, to unqualified rubber
powder secondary grinding, solve the problem that filter is damaged due to serious blockage, prevent large rubber into subsequent production link, make final product appear more balanced, improve the quality and performance of product.