Automatic change spring and decide processing mechanism

The utility model relates to a processing equipment technical field, and disclose an automatic change spring and decide processing mechanism, the protection device comprises an installation pedestal,a protection cover installation plate, a driving shaft, three shaft sleeves and a driven shaft, the equal fixed mounting in bottom both sides of installation base has the supporting legs, the top leftside fixed mounting of installation base has the mounting, and the top fixed mounting of mounting has fixed riser, and the right side fixed mounting of fixed riser has the installation riser, and theinstallation riser is kept away from one side of fixed riser and has been seted up the spout, and movable mounting has one end to extend to the mounting bracket of installation riser side in the spout, the top right side fixed mounting of installation riser has the installation diaphragm. This automatic change spring and decide processing mechanism through setting up the removal extension board,moves the chucking groove of