Negative angle folding die and production line of product with negative angle

The utility model discloses a negative angle folding mold and a production line of a product with a negative angle. The negative angle folding mold comprises a lower mold base and an upper mold base. A concave part is formed on the side surface of the fixed seat; the movable block is hinged to the upper die base through a rotating shaft. The movable block comprises a reset end and a swing end, a first inclined surface is formed on the side, away from the fixed seat, of the swing end, and the first inclined surface inclines downwards towards the direction close to the fixed seat; the bending block is arranged on the movable block; the guide seat is arranged on the lower die seat, a second inclined surface corresponding to the first inclined surface is formed on one side of the guide seat, and in the die assembly process of the upper die seat and the lower die seat, the first inclined surface is in sliding fit with the second inclined surface, so that the swing end swings downwards, and the bending block is dri