Alignment device capable of quickly aligning inner cavity of part

The utility model relates to the technical field of alignment of inner cavities of parts, and particularly discloses an alignment device capable of quickly aligning the inner cavities of the parts. Comprising an operation sleeve and an adjusting lead screw rotationally arranged in the operation sleeve, a plurality of first adjusting rods are hinged to one end of the operation sleeve, a control sleeve is arranged on the adjusting lead screw, a plurality of functional grooves are formed in the operation sleeve, and a plurality of second adjusting rods hinged to the movable ends of the first adjusting rods are hinged to the control sleeve; the end, provided with the first hinge rod, of the operation sleeve is provided with a plurality of laser scanning probes, and the other end of the operation sleeve is provided with an operation handle used for controlling rotation of the adjusting lead screw. The utility model aims to solve the problem that the alignment efficiency is low when an inner cavity is aligned accor