The utility model discloses a waste steel classifying and collecting device for resource regeneration, which comprises a main body unit, a waste steel collecting and collecting device, a waste steel collecting and collecting device, a waste steel collecting and collecting device, a waste steel collecting and collecting device, a waste steel collecting and collecting device, a waste steel collecting and collecting device, a waste steel collecting and collecting device, a waste steel collecting and collecting device and a waste steel collecting and collecting device, the working unit comprises a connecting plate, a first
threaded rod is rotationally arranged on the connecting plate, a
handle is fixedly arranged at one end of the first
threaded rod, a clamping jaw component is arranged on the first
threaded rod in a sleeved mode, a first buckle component is arranged at one end of the connecting plate, and a second buckle component is arranged at one end of the connecting plate. A
handle can be rotated to drive a first threaded rod to rotate, the first threaded rod drives a rectangular block to move along with the first threaded rod through a sliding block, distance adjustment is conducted, then a motor is started, the motor drives a first clamping jaw to gather towards a second clamping jaw through a second threaded rod, steel is fixed, and workers can conduct next operation conveniently.