Work piece fixing dimension on -line measuring device

The utility model discloses a work piece fixing dimension on -line measuring device, the device is including examining test table, calibration piece, assembly jig, and it is examined test table and includes displacement sensor, and the displacement sensor below is equipped with gauge head, vertical spacing post, horizontal spacing post, promotes displacement sensor by horizontal cylinder and transversely operates, promotes displacement sensor by tie -rod cylinder and vertically operates, and the calibration piece is used for detecting the accuracy of die -casting aluminium alloy parts fixing dimension assembly jig 0 device, and the mounting clip includes anchor clamps bottom plate, support, qualifiedly gets the jar ready, according to the utility model discloses, before putting into production, examining test table and using calibration piece automatic compensation to revise, after carrying out the pressure equipment oil blanket, examining test table, automatic the assembly highly detects to the oil blanket,