The utility model relates to an abrasive cloth wheel assembly mold, which comprises an abrasive cloth wheel piece-arranging mold, a piece-arranging rotary table, a piece-arranging press ring, an abrasive cloth wheel assembly mold and an abrasive cloth wheel axle clamping device, wherein the abrasive cloth wheel piece-arranging mold is of an annular structure and is sleeved with the piece-arranging rotary table, and the piece-arranging press ring is contacted with the upper surface of the abrasive cloth wheel piece-arranging mold; the abrasive cloth wheel axle clamping device is contacted with the upper surface of the abrasive cloth wheel assembly mold, and the shape of the abrasive cloth wheel piece-arranging mold is matched with the abrasive cloth wheel assembly mold; the abrasive cloth wheel piece-arranging mold and the piece-arranging press ring can be sleeved on the abrasive cloth wheel assembly mold, and an internally concave annular groove is concavely arranged on the upper surface of the abrasive cloth wheel piece-arranging mold; and radial convex teeth are circumferentially arranged on the internally concave annular groove, and at least two ladder-shaped annular grooves are arranged on the lower surface of the abrasive cloth wheel piece-arranging mold in the direction from the external ring to the internal ring. The utility model has the advantages that the abrasive cloth pieces can be arranged fast, the number of arranged pieces is accurate, the labor is saved, and the quality of piece production and the production efficiency are improved.