Feeding mechanism for carton production

The utility model relates to the field of carton production equipment, and discloses a carton production feeding mechanism which comprises a machine body, supporting columns are evenly and fixedly mounted at the four corners of the bottom of the machine body, a mounting frame is fixedly mounted on the middle side of the top of the machine body, and a cleaning mechanism is arranged on the inner side of the mounting frame; through the arrangement of the cleaning mechanism, when a paperboard is conveyed and fed on the surface of the conveying belt and passes through the bottom of a brush head, the brush head can be driven to shake under the action of a plurality of springs installed on the upper portion of a fixing plate, so that the surface of the paperboard is cleaned, dust and impurities on the surface of the paperboard are separated, and follow-up machining is prevented from being affected; and under the action of the exhaust fan, the dust suction port generates suction force through the exhaust pipe to suck