Tool for rapidly inspecting punching size

The utility model relates to a tool for rapidly inspecting the punching size, which comprises a battery jar main body, a battery partition wall is arranged at the top end of the battery jar main body, and the outer wall of the battery partition wall is connected with a punching positioning block in a clamping way. The punching positioning block is placed at the corner of the battery partition wall and the inner wall of the side needing punching, one side of the punching positioning block is tightly attached to the inner wall of the battery jar body, the other side of the punching positioning block is tightly attached to the battery partition wall, a positioning punch is inserted into the positioning block round hole before punching, and after the positioning punch is tightly attached, a round mark can be left on the inner wall of a battery shell. The punching position can be quickly positioned; after punching, the positioning block can be used for quickly detecting whether the punched hole is qualified or not