Woven bag dyeing machine

The utility model relates to a woven bag dyeing machine which comprises a machine frame, a conveying structure used for feeding and discharging bag materials is arranged on the machine frame, a tensioning structure is arranged on the machine frame, a dyeing bin is fixed on the machine frame, and the conveying structure comprises two conveying rollers. The tensioning structure comprises two rotating plates, pressing rollers are rotationally arranged on the opposite faces of the top ends of the two rotating plates, pressing frames are fixed to the opposite faces of the middles of the two rotating plates, and tension springs fixed to the rack are fixed to the side faces of the two rotating plates. After being fed into the dyeing bin through the left conveying roller, a bag material penetrates out of the inner side of the left pressing roller, is wound to the three guide rollers from the outer side of the pressing frame, is wound to the inner side of the right pressing roller from the outer side of the right pres