Concrete leftover material recycling and crushing device

The utility model relates to the technical field of concrete crushing, and discloses a concrete leftover material recycling and crushing device which comprises a base, a fixing frame table is fixedly installed on the upper surface of the base, a motor is fixedly installed at the top end of the fixing frame table, a pushing block is slidably connected into a crushing box, a sliding block groove is formed in the side surface of the crushing box, and the pushing block is slidably connected with the sliding block groove. And the fixed cylinder penetrates through the sliding block groove and is fixedly connected with the sliding block groove. By arranging a tooth block, a rotating rod and a fixed cylinder, a belt drives a belt pulley to rotate through the output end of a motor, a connecting shaft drives a rotating disc to rotate, the fixed cylinder rotates along with the rotating disc, a movable plate slides on the upper surface of a fixed plate in a reciprocating mode, and a pushing block reciprocates at the inne