Workpiece conveying device for sheet metal machining

The utility model discloses a workpiece conveying device for sheet metal processing, and relates to the field of sheet metal processing and transportation. According to the technical scheme, the conveying device comprises a conveying body, two transverse reciprocating lead screws are rotationally connected to the interior of a sliding groove, the tops of two reciprocating sliding blocks are jointly and fixedly connected with a connecting plate, and two clamping plates used for clamping the sheet metal parts are slidably connected to the connecting plate; an adjusting mechanism for adjusting the distance between the two clamping plates is arranged in the connecting plate, and a rotating mechanism for rotating the two reciprocating lead screws is arranged in the conveying body. After a sheet metal part is placed on a connecting plate, a servo motor is started to drive one reciprocating screw rod to rotate, and the other reciprocating screw rod is driven to rotate simultaneously through a pulley and a transmissi