Truck longitudinal beam forming die of 750 high-strength plate

The invention relates to the technical field of longitudinal beam production, and discloses a truck longitudinal beam forming die of a 750 high-strength plate, which comprises an upper die base, a lower die base, a straight-through beam module, a pincer-like beam module and a fixed insert mounting seat, wherein the upper die base and the lower die base are oppositely arranged up and down; the lower die base is provided with a female die cavity; the female die cavity is divided into a front section, a middle section and a rear section in the length direction; the straight-through beam module or the pincer-like beam module is installed on the front section of the female die cavity; the straight-through beam module is used for stamping a plate to form a straight-through longitudinal beam; the pincer-like beam module is used for bending the plate to form a pincer-like longitudinal beam; and the fixed insert mounting seat is installed on the middle section and the rear section of the female die cavity, so that the