Calibration tool for yarn guide hook

The utility model discloses a calibration tool for a yarn guide hook. Relating to the technical field of cotton spinning, the utility model discloses a calibration tool for a yarn guide hook. The spindle comprises a spindle body and a yarn guide hook, the spindle body penetrates through a steel collar to be fixed to a wharve, the steel collar is provided with a steel wire ring, the top of the spindle body is sleeved with a sleeve, the end, away from the spindle body, of the sleeve is connected with a correction needle, a connecting groove is formed in the bottom of the sleeve, a battery is fixedly connected into the sleeve, and the battery is connected with a wire. The utility model discloses a calibration tool for a yarn guide hook. The clamp is fixed on the yarn guide hook; the sleeve issleeved on the spindle; the fixing pin is taken out of the through hole, the iron needle moves upwards under the action of the spring, then the iron needle penetrates through the yarn guide hook, meanwhile, the indicator lam