Verticality detection device for plastic shaft

The utility model discloses a verticality detection device for a plastic shaft, which comprises a device base, two sides of the upper end face of the device base are provided with movable grooves, the inner sides of the movable grooves are provided with movable blocks, the inner walls of the bottom ends of the movable blocks are provided with detection arcs, and the upper end face of each movable block is provided with a positioning seat. A through hole is formed in the inner side of the positioning seat, a protruding block is arranged at the upper end of the detection arc, and limiting blocks are arranged above the two sides of the protruding block and located on the inner side of the positioning seat. According to the utility model, the detection arc is attached to the plastic shaft through sliding the movable block, the vertical angle of the plastic shaft is detected, the upper end of the detection arc is provided with the convex block, and the limiting blocks are arranged above the two sides of the convex