Tool structure for improving planeness of magnesium alloy thin-wall part

The invention relates to the technical field of thin-walled workpiece machining, and discloses a magnesium alloy thin-walled workpiece planeness improving tool structure which comprises a flattening device for flattening a magnesium alloy thin-walled workpiece, and the flattening device is provided with an upper die plate and a lower die plate. A plurality of detection pieces for detecting thicker positions of pressed workpieces are arranged in the upper template, and a plurality of heating blocks for heating the workpieces at different positions are arranged in the lower template; according to the plane shaping equipment, the problems that when the plane shaping equipment heats the thin-wall parts, due to the fact that the position thicknesses of the thin-wall parts are different, differential heating cannot be conducted according to the requirements of different areas when the thin-wall parts are heated, the heating efficiency is low during heating, and energy waste is likely to be caused are effectively so