Impregnation equipment for cylindrical lithium ion battery cell

The invention relates to the technical field of lithium battery production, in particular to cylindrical lithium ion battery cell impregnation equipment which comprises a cylinder body, a lifting device, an auxiliary control device and a damping mechanism, a movable platform is slidably mounted in the cylinder body, the inner wall of the cylinder body is tightly matched with the movable platform to form an impregnation cavity, and a storage rack for supporting a lithium battery is arranged on the movable platform; the lifting device comprises a first linear driving assembly and a connecting assembly; the first linear driving assembly is arranged on the cylinder body; the connecting assembly is arranged at the bottom of the movable platform; the auxiliary control device comprises an air pressure sensing assembly; the air pressure sensing assembly comprises a mounting seat and a sensing block; the mounting seat is mounted on the movable platform; the induction block is slidably mounted on the mounting base and