Battery Cell Manufacturing Device

A battery cell manufacturing device according to one embodiment of the present disclosure includes a sealing tool that presses a sealing part, in a battery case including a sealing part having a structure in which an electrode assembly is mounted onto a receiving part, and an outer peripheral surface is sealed by heat fusion, wherein the sealing tool comprises a first sealing tool located at an upper part and a second sealing tool located at a lower part with respect to the battery case, and wherein the sealing tool comprises a sealing surface in contact with the sealing part, and at least one pressure sensor is located on the sealing surface.