On-line punching die for inner plate of right doorsill

The utility model discloses a right doorsill inner plate online punching die which comprises a bearing structure, the bearing structure comprises a workbench used for containing an inner plate, bases are arranged on the two sides of the workbench, lifting boxes are arranged on the bases, a pressing structure used for pressing the inner plate on the workbench is arranged on the workbench, and the pressing structure comprises a pressing block; a lifting assembly used for driving the pressing block to move in the vertical direction is arranged in the lifting box. The second motor drives the second screw rod to rotate, the second screw rod drives the second connecting block to move in the vertical direction, the second connecting block drives the second connecting rod to move, and the second connecting rod drives the pressing block to move, so that the pressing distance between the pressing block and the table top of the working table is adjusted according to the thickness of the inner plate; and the situation th