Bending radius adjusting device of cold bending die

The utility model relates to a bending radius adjusting device of a cold bending die. The adjusting wedge block bottom plate is vertically arranged; the upper end is transversely connected with an adjusting screw rod bottom plate; the adjusting wedge-shaped block is placed back to one side of the adjusting wedge-shaped block bottom plate; the lower end of the adjusting screw rod penetrates throughthe adjusting screw rod bottom plate and is connected to the upper part of the adjusting wedge block; the pointer rod is fixed to the upper portion of the adjusting wedge block, and a pointer is arranged at the upper end of the pointer rod. A ruler is arranged in front of the pointer and is fixed on the adjusting screw rod bottom plate, the bending die wedge block is matched with the adjusting wedge block through an inclined surface, the bending die is fixed on the bending die wedge block and moves left and right along with the bending die wedge block, and a support rod is arranged at the bottom of the bending die we