The invention discloses a gear reference circle
diameter positioning and detecting device, and belongs to the technical field of gear
hobbing machining. The gear reference circle
diameter positioning and detecting device comprises a base and an oil cylinder which is rotatably fixed to the base, a
piston rod of the oil cylinder is provided with a central through hole, a telescopic rod, a compression spring, an
inductance-type measuring head and a disc-shaped spring sheet are sequentially arranged in the central through hole from outside to inside, the telescopic rod comprises a spherical head, a rod body and a connecting rod used for connecting the rod body with the spherical head, the
inductance-type measuring head abuts against the disc-shaped spring sheet, and a
signal port of the
inductance-type measuring head electrically communicates with a
signal cable. According to the gear reference circle
diameter positioning and detecting device, the axial degree of freedom and the rotating degree of freedom are provided through the rotatable oil cylinder, therefore, the spatial position of a gear can be fully adjusted and measured, and the measuring precision and accuracy can be improved; the structure is extremely simple, the cost is extremely low, measured signals are directly exported to a
control system through the
signal cable,
machining parameters are adjusted through the
control system, therefore, automatic precise control can be achieved, the
machining efficiency and accuracy can be improved, and the machining cost can be further reduced.