Automatic adjusting inclined wedge block type die closing height adjusting device

The invention relates to the technical field of automation of punching machines, and specifically relates to an automatic adjusting inclined wedge block type die closing height adjusting device. The device comprises a bottom plate, a lower inclined wedge block, an upper inclined wedge block and a punching machine slide block, wherein the lower inclined wedge block is fixedly connected to the upper end of the bottom plate; the upper inclined wedge block is movably mounted at the upper end of the lower inclined wedge block; the punching machine slide block is arranged at the upper end of the upper inclined wedge block; a front mounting seat is fixedly connected to the left end of the punching machine slide block, and a rear mounting box is fixedly connected to the right end of the punching machine slide block; a lead screw fixing seat is fixedly mounted on one sidewall of an inner chamber of the rear mounting box; a nut is fixedly connected to one end of the upper inclined wedge block; a lead screw is connected