Novel roller for concrete processing

The utility model discloses a novel material roller for concrete processing. The novel material roller has the effect that the radius of the material roller can be adjusted. The device structurally comprises a supporting rod, a transmission gear, a first connecting block, a roller body, a second connecting block and an adjusting convex block, the left outer side of the support rod is fixedly connected with the transmission gear; a first connecting block is fixed on the right of the transmission gear; the middles of the inner sides of the first connecting blocks are fixedly connected with supporting rods; roller bodies are arranged on the right sides of the first connecting blocks; an adjusting lug is embedded into the inner side of the roller body; a first shell is arranged in the adjusting convex block; a convex block is arranged in the first shell; the protruding block is pre-fixed under the acting force of the first clamping block and the second clamping block, the position of the protruding block in the f