Integrated mechanism for detecting length and outer diameter of bar

The utility model relates to an integrated mechanism for detecting the length and the outer diameter of a bar. The bar length and outer diameter detection integrated mechanism comprises a base plate, a short filler strip and a high filler strip are fixed to the left side and the right side of the bottom of the base plate respectively, a workpiece length detection assembly is arranged on the top of the base plate, and a workpiece diameter detection assembly is arranged on the workpiece length detection assembly; the workpiece length detection assembly comprises side plates arranged on the two sides of the top of the base plate, two width adjusting plates are oppositely arranged at the top of the base plate and located between the two side plates, a width adjusting rod transversely penetrating through the base plate is arranged on one side of the base plate, and the width adjusting rod is in threaded connection with the two width adjusting plates at the same time. And a length scale is arranged at the top of th