Online mmoke box automatic identification and elimination system

The utility model discloses an online smoke box automatic identification and elimination system, comprising a barcode data acquisition unit, an industrial personal computer and an elimination device, wherein the industrial personal computer comprises a data comparison and judgment unit and a data storage unit; the data comparison and judgment unit is used for comparing barcode information acquired from the data acquisition unit and set standard barcode information, and storing corresponding information in the data storage unit or transmitting corresponding control signals to a PLC (programmable logic controller) according to the comparison result; and the elimination device is controlled by the PLC and is used for eliminating smoke boxes with defected barcodes from a product conveying channel. In the online automatic identification and elimination system, the smoke box with the barcode in inconformity to regulation is automatically eliminated, only the smoke box with the barcode in conformity to regulation can pass, the smoke box with the defected barcode can be effectively prevented from entering inventory program, and the faults such as stopping and the like caused by scanning faults due to the barcode are avoided in the inventory process.