Cutter exchange device of fluid control

The utility model relates to a technical field of machine tool discloses a cutter exchange device of fluid control, include basic support, rotatory jar, push away jar and arm, upper end and the lowerextreme of basis support are respectively with the cylinder body of rotatory jar with push away the cylinder body fixed connection of jar, be connected with rather than endocentric coupling shaft cover on the output shaft of rotatory jar, it is provided with the connecting rod to slide along its axis direction in the coupling shaft cover, the piston rod that pushes away the jar establish to hollowstructure and rotate connect in the outside of connecting rod, same axis direction setting is followed to coupling shaft cover, connecting rod and piston rod, the tip of connecting rod and the middlepart fixed connection of arm, and the both ends symmetry of arm is provided with the cutter jack catch, it is complicated to have improved current cutter exchange device structure, and it is great tomake the degree of difficul