Bend mould

The utility model relates to a bend mould, including an upper half die and a lower half die, which are respectively provided with upper and lower part half shape dies of a bend product at the corresponding positions, each upper half part shape die is provided with a vertical projecting structure (3) corresponding to the inner diameter of the bend product and a horizontal projecting structure (2) which is fixed by a connecting block (6) and arranged on the just front of the vertical projecting structure (3), each lower half part shape die is provided with a hollow area (7) and a symmetrical inclined projecting structure (8) arranged in the middle, and the vertical projecting structure (3) is provided with limit blocks (5) on two sides symmetrically. The upper and lower half dies have four pairs of corresponding shape dies, and each upper or lower half die is provided with assorted stand column grooves (1) and stand columns (4) on four corners respectively. The bend mould is capable of resolving a problem of re