Punching mold used for aluminum alloy section of lateral plate of subway box

The utility model discloses a punching mold used for an aluminum alloy section of a lateral plate of a subway box. The punching mold used for the aluminum alloy section of the lateral plate of the subway box comprises an upper mold and a lower mold, wherein a discharging hole is formed in the lower mold. The punching mold used for the aluminum alloy section of the lateral plate of the subway box further comprises a positioning ruler, wherein the positioning ruler is composed of a long stripe-shaped main body provided with degree scales, a right L-shaped vernier positioning block and a left L-shaped vernier positioning block, the main body is fixed on the lateral side of the lower mold, and a zero graduation line on the main body is aligned with the center line of the discharging hole in the longitudinal direction; the right vernier positioning block is composed of a horizontal positioning block and a longitudinal positioning block which are arranged integrally, the horizontal positioning block is installed on the main body in a sliding mode and is fastened through a screw, and a movable positioning part which is used for positioning the end face of the aluminum alloy section is arranged on the longitudinal positioning block; the left vernier positioning block is composed of a horizontal positioning block and a longitudinal positioning block which are arranged integrally, the horizontal positioning block is installed on the main body in a sliding mode and is fastened through a screw, and a positioning pin which is arranged vertically is arranged on the longitudinal positioning block. The punching mold used for the aluminum alloy section of the lateral plate of the subway box has the advantages that accuracy of the positions of holes can be guaranteed, and aluminum alloy sections with different specifications can be machined with only one set of mold.