Device and method for detecting sealing performance of metal foaming pad

The invention relates to a device and method for detecting the sealing performance of a metal foaming pad, and belongs to the technical field of sealing pad tests.The device comprises a detection table box body, and a handle is arranged on the detection table box body; a detection unit is arranged on the side surface of the detection table box body; the detection unit comprises a liner accommodating cavity formed in the detection table box body and a liner cover plate covering the liner accommodating cavity; the air inlet and the air pressure detection port are communicated with the liner containing cavity. The detection table box body facilitates carrying and moving, the provided gasket containing cavity serves as a gasket containing space, and after the gasket containing cavity is sealed by the gasket cover plate, ventilation and extrusion detection can be conducted on a gasket through cooperation of the air inlet and the air pressure detection opening; and the sealing performance of the whole gasket under