Machine of shifting

The utility model provides a machine of shifting, install including mount pad, rotation trip shaft on the mount pad, fix overturn epaxial workstation, drive trip shaft pivoted drive structure, the drive structure include the driving source, be connected to the driving source output output gear, with the output gear meshing is just fixed epaxial half gear overturns, half gear have for with output gear engaged with profile of tooth section, machine of shifting still includes protective structure, protective structure is including setting up the flexible protective cover of the periphery of profile of tooth section, output gear is located in the flexible protective cover to it gets into to ensure not have debris between half gear and the output gear influence meshing between them, ensure halfgear with output gear's accuracy of mesh to ensure the upset precision of workstation, avoid half gear and output gear's wearing and tearing simultaneously, prolong service life between them, save the cost. 本实用新型提供了种变位机，包括安装