Spacing-adjustable positioning device for automobile hub machining

The invention relates to the technical field of automobile hub machining, in particular to a distance-adjustable positioning device for automobile hub machining. According to the technical scheme, the device comprises a cabinet body and an operation table, a positioning groove is formed in the outer side of the top of the operation table, driving motors are fixedly installed on the two sides of the bottom of the operation table, threaded rods are fixedly connected to the output ends of the driving motors, sliding bases are rotationally installed outside the threaded rods, and driving rods penetrating through the operation table are fixedly installed at the tops of the sliding bases. Through combination of various structures, the device can automatically rotate and adjust after one half of a hub is machined, so that a worker can conveniently machine the other half of the hub, the burden of manual rotation of the worker is relieved, dust generated when the worker grinds and polishes the hub can be extracted and