Integrated adjustment-free beater dust bar of mixing and opening machine

The utility model relates to the technical field of mixing and opening machines, in particular to an integral adjustment-free beater dust bar of a mixing and opening machine, which comprises a grid-shaped main body positioned on an arc surface, the main body comprises arc-shaped fixing seats on two sides and 12 dust bars arranged in parallel, the dust bars are straight bars with triangular sections, the distances between the adjacent dust bars are the same, and the dust bars are arranged on the arc-shaped fixing seats. The thickness of the arc-shaped fixing base in the radial direction is gradually increased from the inlet side to the outlet side, the distances from the 12 dust bars to the upper edge of the arc-shaped fixing base are the same, the arc-shaped fixing base is provided with a triangular positioning groove, and the dust bars are connected with the arc-shaped fixing base through the positioning groove. An integral structure is adopted, a proper beater dust bar can be selected to be integrally inser