The invention discloses a shaftless cloth roll cutting machine. The shaftless cloth roll cutting machine comprises a bracket, a rotating area and a cutting area. The rotating area comprises two parallel roll shafts, and one side of each roll shaft is provided with a motor. The cutting area comprises rails, a base, a vertical column, a cutter, a rotary arm and a reset spring. The rails are arranged at the rear end of the bracket and are parallel to the roll shafts. The base is arranged on the rails. The vertical column is perpendicularly arranged at the rear end of the base. The rotary arm is arranged on the vertical column. An electric motor is arranged on one side of the front end of the rotary arm and connected with the cutter. One side of the cutter is provided with a handle. The reset spring is arranged between the base and the rotary arm. A positioning column is arranged on the side face of the base. The side face of the positioning column is provided with a positioning block. The front end of the positioning column is provided with a limiting ring. The limiting ring is arranged above the roll shafts. The extending face, in the height direction, of the limiting ring is tightly attached to the cutter. According to the shaftless cloth roll cutting machine, a cloth roll does not need to be wound on a shaft and is rotated on the two roll shafts, the cutter is attached to the limiting ring to directly cut the cloth roll, the speed is increased, the rolling procedure is omitted, and time is saved.