Plate blank conveying roller structure

The utility model discloses a slab conveying roller structure which comprises a rack, a material conveying roller frame and a guide wheel frame are arranged on the rack, a material conveying roller isarranged on the material conveying roller frame, and the axial end portion of the material conveying roller is fixed to a belt wheel. The guide wheel is arranged on the guide wheel frame; a steeringwheel and a driving wheel are also arranged on the rack; the conveying belt sequentially bypasses the driving wheel, the steering wheel, the guide wheel and the belt wheel; the driving wheel is connected with a driving wheel on an output shaft of the motor through a belt; and the plate blank is arranged on the material conveying roller. The plate blank conveying device has the advantages that damage to a plate blank is avoided through slipping between the conveying belt and the belt wheel, the expansion degree between the conveying belt and the belt wheel can be adjusted through the expansiondevice, then it is guarante