Burring processing device for packaging bag

The utility model discloses a burring processing device for a packaging bag. The burring processing device for the packaging bag comprises a folding unit, a slitting unit, a hot-pressing unit and a forming unit, wherein the forming unit comprises a conveying mechanism and a control system; a slitting device, a base angle punching device, an easy-torn opening punching device, a die cutting device and a discharging device are respectively mounted on the conveying mechanism; a slitting cutter is arranged on the slitting device and is used for symmetrically cutting the semi-finished packaging bag into two halves; the die cutting device comprises a die cutting cylinder and a die cutting blade which are connected with each other; the die cutting blade is composed of a base plate and two special-shaped cutting tools symmetrically arranged on the base plate. The utility model also discloses a burring processing method for the packaging bag. The burring processing method comprises the steps of slitting, punching the b