Printing roller with balance convenient to adjust

The utility model relates to and discloses a plate roller convenient to adjust balance, which comprises a roller body, a supporting plate is fixed on the inner wall of the roller body, the supporting plate is provided with a supporting rod coaxial with the roller body, the supporting rod is connected with the supporting plate through a first positioning mechanism, the supporting rod is connected with a sliding seat in a sliding mode, and the sliding seat is provided with a second positioning mechanism. The sliding seat is connected with the supporting rod through a second positioning mechanism, the sliding seat is connected with an extension rod perpendicular to the axis of the supporting rod, the extension rod is connected with a balancing weight in a sliding mode, and the balancing weight is connected with the extension rod through a third positioning mechanism. The utility model has the following advantages and effects: the scheme utilizes a new mechanical structure to achieve the purpose of improving the