Supporting roller for mopping machine

The utility model discloses a supporting roller for a mopping machine, which comprises a supporting cylinder and a water-absorbing foam layer, and is characterized in that the water-absorbing foam layer is sleeved outside the supporting cylinder, a mopping cloth layer is arranged on the outer wall of the water-absorbing foam layer, lines are arranged on the surface of the water-absorbing foam layer, and the mopping cloth layer is arranged on the surface of the water-absorbing foam layer. Water is absorbed by the mopping cloth layer and then transmitted to the interior of the water absorption foam layer, in this way, when mopping is conducted, the answering sound of a machine cannot be heard even if the ground is too much water, due to the fact that the designed roller is high in water absorption capacity, the water absorption capacity of the roller is high, the water absorption capacity of the roller is high, and the water absorption capacity of the roller is high. When no water exists in a mopping corner or