Longitudinal cutter mechanism for punching shell of lithium battery aluminum-plastic film shell punching machine

The utility model discloses a shell punching longitudinal cutter mechanism of a lithium battery aluminum-plastic film shell punching machine, which comprises a placing component, a shell punching one-mold two-outlet forming component, a forming roller straight shaft discharging component, a forming transverse cutting component, a forming longitudinal cutting component and a box body, and one side of the top end of the box body is fixedly connected with a first connecting plate and a second connecting plate in the placing component; the placing assembly comprises a first connecting plate, a second connecting plate and a feeding roller, the feeding roller is rotationally connected to the first connecting plate, and a top die in the shell punching one-die two-die forming assembly is fixedly connected to the side, close to the placing assembly, of the top end of the box body; the shell punching one-die two-out-of-die forming assembly comprises a top die, a bottom die, a supporting column, a top plate, a mounting