Negative pressure formation testing device for double-side pole outgoing battery cell

The utility model provides a negative pressure formation testing device for a double-side pole column battery cell in the technical field of formation and capacity grading. The negative pressure formation testing device comprises a frame; the roller transmission line is arranged in the frame; the jacking air cylinders are arranged in the frame and symmetrically located on the two sides of the roller conveying line; the two guide metal plates are arranged on the two sides of the roller conveying line, and the bottom ends of the guide metal plates are connected with the power output end of the jacking air cylinder. The two pressing mechanisms are arranged in the frame and located on the two sides of the roller conveying line. The positive electrode probe module is arranged at the moving end of the pressing mechanism on the left side; the negative pressure system is arranged at the moving end of the pressing mechanism on the left side; the negative electrode probe module is arranged at the moving end of the pres