Waste recovery equipment for steel structure machining

The utility model discloses waste recovery equipment for steel structure machining, which comprises a first treatment box and a second treatment box, a feeding component is arranged on one side, far away from the second treatment box, of the first treatment box, first supporting legs are arranged on two sides of the first treatment box, and a first feeding hopper and a first discharging hopper are respectively arranged at the upper end and the lower end of the first treatment box. A first driving crushing roller and a first driven crushing roller are rotationally arranged in the first treatment box, transverse plates are connected between the first supporting legs on the same side, springs are arranged at the upper ends of the transverse plates on the two sides, a sieve plate is arranged at the upper ends of the springs, and a vibration motor is arranged at the lower end of the sieve plate; and a second feeding hopper and a second discharging hopper are arranged at the upper end and the lower end of the secon