Crushing device of retired car body

The utility model relates to a crushing device of a retired car body. The structure of the crushing device is characterized in that a hopper (1), a spiral feed extrusion device (2), a biaxial shredding device (3), a horizontal crushing device (4), a screen (5) and a discharge hole (6) are sequentially arranged inside a chassis cabinet from top to bottom, wherein the spiral feed extrusion device (2) is arranged inside the hopper (1). The crushing device has the advantages of simple structure, high work efficiency, small floor area, strong practicability and the like, and is applicable to dismantling and processing the body of the retired car, so that metal parts of the retired car body achieve the dimensional requirements by feeding pre-grinding and two-stage crushing action and are screened by the screen so as to carry out subsequent sorting recovery work.