Bar cutting and sorting integrated device

The utility model belongs to the technical field of bar machining equipment, and particularly relates to a bar cutting and sorting integrated device which comprises a sawing machine, a conveying mechanism, straightness detection equipment, a truss, a material frame and a material collecting box, and the material frame and the material collecting box are arranged below the truss. The conveying mechanism comprises a linear reciprocating expansion piece and a material pushing plate arranged at the end of the linear reciprocating expansion piece. The truss driver is provided with a manipulator; bars are conveyed to the position below the truss through the conveying mechanism, then the bars are taken from the conveying mechanism through the mechanical arm on the truss to be placed on the straightness detection equipment, straightness detection is carried out, and after detection is completed, the bars are transferred to a material frame, or the bars are pushed to a material receiving box by starting a linear recip