Modular deep drawing die structure and deep drawing method thereof

The invention discloses a modular deep drawing die structure and a deep drawing method thereof, and relates to the technical field of deep drawing dies, the modular deep drawing die structure comprises a movable module, a fixed module, an edge grinding assembly and a stress homogenization assembly, the movable module comprises an upper die plate driven up and down through a hydraulic cylinder, and a deep drawing die head is rotationally arranged at the center position of the bottom face of the upper die plate; the fixed die set comprises a base fixedly installed on a machining machine base, an installation table is installed on the top face of the base, and a die plate with a deep drawing hole formed in the center is fixedly arranged on the installation table. The edge grinding assembly is used for positioning, grinding and leveling the edge ring part of the aluminum disc during deep drawing; and the stress homogenizing assembly is arranged below the template and comprises a plurality of groups of clamping me