To provide a conveyor device capable of efficiently conveying and discharging a transported article placed on a conveyor chain to a discharge port by a simple structure and certainly conveying even a broken piece not properly discharged and remained on the conveyor chain toward the discharge port.

The conveyor device has a first receiving plate 20a auxiliarily provided on a lower neighborhood to an advancement passage portion 16a of the conveyor chain 16 advancing in a direction from a lead-in end to a lead-out end with the placed transported article 11 with a predetermined distance. The device is provided with a second receiving plate 20b auxiliarily provided at a lower neighborhood to a return passage portion 16b of the conveyor chain 16 advancing in a direction from the lead-out end to the lead-in end with a predetermined distance. The device is provided with a third receiving plate 54 auxiliarily provided at an outer neighborhood of a fold-back portion of the conveyor chain turned around from the advancement passage portion to the return passage portion by a lead-in end side roller with a predetermined distance. A border portion of the second receiving plate and the third receiving plate is continuously provided without a clearance.