Quick positioning device for caliper part machining

The utility model discloses a quick positioning device for caliper part processing, which comprises a base, a clamping plate and limiting plates, the top end of the base is provided with a workbench, the interior of the workbench is provided with an adjusting structure, the two sides of the top end of the workbench are provided with the limiting plates, and one side of each limiting plate is provided with a rotating mechanism. Clamping plates are mounted on the other sides of the limiting plates, third screws are mounted at one ends of the clamping plates, rotating handles are mounted at the top ends of the third screws, and preformed holes are formed in the outer sides of the third screws. The servo motor is installed on one side of the workbench, the servo motor is started, the second screw drives the first screw to rotate, and the movable block drives the limiting plate to move, so that the distance between the clamping plates can be adjusted, the clamping plates can transversely clamp parts of different s