Bag supply machine for linear cross belt sorting machine

The utility model discloses a bag supply machine for a linear cross belt sorting machine, which belongs to the field of bag supply machines and comprises a bag supply structure, a side correlation photoelectric sensor is arranged at the top end of a machine body supporting plate, and a diffuse reflection photoelectric sensor is mounted on the other side of the bottom end of the machine body supporting plate. According to the utility model, the problems of complex mechanical structure and control mode of the bag supply machine are solved, after the equipment is started, the diffuse reflection photoelectric sensor can detect the position of the hole on the interval belt, and the operation speed of the conveying belt is automatically adjusted in a control program through signal return, so that the interval on the conveying belt is synchronous with the trolley on the linear crossed belt; articles need to be placed at the position about the middle of each interval of the conveying belt, the machine body mechanism