The invention discloses an automatic wire winding device. Each wire winding roller assembly comprises a wire winding roller. A roller transmission shaft is arranged on each wire winding roller in a penetrating manner. Bearings are arranged at the two ends of each roller transmission shaft and are fixedly arranged in bearing sleeves. First transmission gear teeth are arranged on the outer surface of each bearing sleeve. Each transmission assembly comprises a first motor and two transmission gears located on the same vertical face, wherein the transmission gear located on the upper portion is connected with the first motor, and a transmission belt is wound between the two transmission gears. Second transmission gear teeth are arranged on the two sides of each transmission belt. Transmissionguide rails are arranged on the outer sides of the transmission belts. Third transmission gear teeth are arranged on the surfaces, adjacent to the transmission belts, of the transmission guide rails.The bearing sleeves are arranged between the transmission guide rails and the transmission belts. According to the automatic wire winding device, the work automation degree of a wire winding machine can be greatly increased, and the work efficiency of the wire winding machine is greatly improved.