Quenching positioning seat for air cylinder of electric hammer

The utility model discloses an electric hammer air cylinder quenching positioning seat which comprises a base, a supporting ring, a fixed inner ring and a fixed outer ring, an adjusting cavity is formed between the fixed outer ring and the fixed inner ring, a positioning cavity is formed between the fixed inner ring and the supporting ring, a plurality of arc-shaped clamping plates are arranged in the positioning cavity, and through holes are formed in the circumferential end of the fixed inner ring. First springs which penetrate through the middle of the fixing inner ring through through holes and are fixedly connected with the inner side of the fixing outer ring are fixedly connected to the sides, close to the fixing inner ring, of the arc-shaped clamping plates, guide holes penetrating through the fixing inner ring are formed in the two ends of the through holes correspondingly, and guide rods extending into the adjusting cavities through the guide holes are fixedly connected to the two ends of the outer s