Polytetrafluoroethylene gasket compression molding device

The utility model discloses a polytetrafluoroethylene gasket compression molding device, and belongs to the technical field of gasket forming devices. The polytetrafluoroethylene gasket compression molding device comprises a supporting table, a top plate is arranged above the supporting table and connected with the supporting table through guide columns, a lifting frame is arranged above the supporting table, a lifting element for driving the lifting frame to ascend and descend is arranged on the supporting table, and a sliding mechanism for driving a sliding plate to slide is arranged on the lifting frame. An upper die is arranged on the upper surface of the sliding plate and comprises an outer side plate and an inner side plate, a cavity is formed between the outer side plate and the inner side plate, a bottom plate is arranged at the bottom of the cavity and slidably connected with the outer side plate and the inner side plate, and a lifting structure for driving the bottom plate to ascend and descend is a