Laser cutting machine tool with automatic feeding and discharging functions

The utility model discloses an automatic feeding and discharging laser cutting machine tool which is characterized in that a cross beam is located above a first supporting rod and a second supporting rod; the laser head is connected with the controller which is connected with the portal frame. The conveying belt is located between the first supporting rod and the second supporting rod. The stopping arm is connected with the first supporting rod or the second supporting rod and can stretch out and draw back in the horizontal direction and the perpendicular direction of the conveying direction of the conveying belt. The touch sensor is connected with the stopping arm, and when the stopping arm is in an extension state, the touch sensor can make contact with a to-be-cut material on the conveying belt and send a signal to the processor; after receiving a signal sent by the touch sensor, the processor controls the conveying belt to stop rotating and controls the controller to drive the laser head to start cutting