Positioning tool for automobile part machining

The utility model relates to the technical field of positioning tools, in particular to a positioning tool for automobile part machining. The limiting device is reasonable in structural layout, capable of effectively limiting special-shaped workpieces and good in adaptability; comprising a base, a disc seat, a center table fixedly installed on the base and a plurality of clamping and limiting assemblies, a first sliding groove arranged in the radial direction of the disc seat is formed in the disc seat, the clamping and limiting assemblies are installed at the first sliding groove in a sliding mode, and an adjusting assembly used for adjusting the clamping and limiting assemblies is installed on the disc seat. The adjusting assembly comprises an adjusting screw rod, the adjusting screw rod is rotationally installed in the first sliding groove, and the adjusting screw rod is in threaded transmission connection with the clamping limiting assembly. 本实用新型涉及定位工装的技术领域，特别是涉及一种汽车零部件加工用定位工装；其结构布局合理，可实现对异型工件的有效限位，适应性佳；