Material floating device of automobile stamping part die

The utility model discloses a material floating device of an automobile stamping part die, which belongs to the technical field of stamping dies and comprises a material floating block, an ejection pressure source, a prepressing spring, a lower die and a material pressing plate. The side face of the floating block is in clearance fit with the lower die, the bottom face of the floating block is elastically fixed to the lower die through an ejection pressure source, one end of the ejection pressure source is fixed to the lower die, the other end of the ejection pressure source is fixed to the floating block or in the floating block, and the ejection pressure source can stretch out and draw back. One end of the pre-pressing spring is fixed on the material pressing plate, the other end of the pre-pressing spring is arranged above the material floating block, and when the material pressing plate moves close to the lower die in the direction perpendicular to the ground, the pre-pressing spring can make contact with