Tobacco stem pretreatment feeding flow control system and method

The invention discloses a tobacco stem pretreatment feeding flow control system and method.The tobacco stem pretreatment feeding flow control system is characterized in that a feeding mechanism comprises a feeding hopper and a blanking device arranged below the feeding hopper, the blanking device comprises scrapers, a rotating shaft and a variable frequency motor, the scrapers are evenly arranged around the rotating shaft, and the variable frequency motor is used for driving the rotating shaft to rotate; the stock bin mechanism comprises a stock bin and a vibration motor, a feed port of the stock bin is aligned to a discharge port of the blanking device, a discharge port of the stock bin is aligned to the conveying belt, and the vibration motor is arranged at the position, close to the discharge port of the stock bin, of the outer side wall of the stock bin and used for driving the stock bin to discharge materials onto the conveying belt; the control unit adjusts the rotating speed of the variable frequency m