Pawing device for head-washing machine

The invention provides a pawing device for a head-washing machine and relates to the head-washing machine. The pawing device has a simple structure and can precisely control running positions and the massaging force degree of paws. The pawing device is provided with a guide rail bracket, a guide rail, a guide rail motor, a guide rail driving mechanism, at least one pawing mechanisms and a control circuit, wherein the guide rail and the guide rail bracket are rotatably connected; a driving gear of the guide rail driving mechanism is connected with an output shaft of the guide rail motor; a driven gear of the guide rail driving mechanism is in linkage connection with the guide rail; a pawing seat motor, a pawing seat driving mechanism, a pawing arm and a pawing arm steering engine of the pawing mechanism are arranged on a pawing seat; a pressure sensor is arranged at the front end of the pawing arm; the pawing seat driving mechanism is a paired roller component; the paired roller component is provided with a driving guide wheel and a driven guide wheel; the driving guide wheel and the driven guide wheel clamp the guide rail and are matched with the guide rail in a rolling way; the pawing arm is rotatably connected with the pawing arm seat through a rotation shaft; and the output shaft of the pawing arm steering engine is connected with the rotation shaft of the pawing arm.