Steel structure bending device

The utility model discloses a steel structure bending device which comprises a structure body, the structure body comprises a base and an installation frame, one end of the base is provided with a material clamping mechanism and a bending mechanism, the installation frame is provided with a feeding mechanism, the feeding mechanism is flush with the material clamping mechanism, the material clamping mechanism is used for clamping a steel structure, and the bending mechanism is used for bending the steel structure. The feeding mechanism is horizontally arranged above the mounting frame, the feeding mechanism comprises a set of movable material guide plates, the material guide plates are arranged in a V shape, one end of each material guide plate is further connected with a control shaft and a controller, and the material guide plates have moving angles through the control shafts. The whole structure is light and practical, the size of a bending opening is adjusted through an adjusting notch of a bending seat on