Workpiece positioning device for surface milling of machine tool

The utility model relates to the technical field of machine tools, in particular to a workpiece positioning device for surface milling of a machine tool. According to the technical scheme, the device comprises a platform, a first air cylinder, an electric rotating disc and a second air cylinder, electric sliding rails are fixed to the two sides of the top surface of the platform, a sliding plate is slidably installed on the surfaces of the electric sliding rails, and the electric rotating disc is fixed to the surface of the sliding plate; milling heads are arranged on the front surfaces of the top ends of the vertical frames. The first clamping block and the second clamping block are pushed through the first air cylinder and the second air cylinder to clamp and fix workpieces of different sizes, the positioning speed is high, the clamping device can be suitable for fixing the workpieces of different sizes, workers can use the clamping device conveniently, and the working efficiency is improved. And the electr