Bit sharpener

A bit sharpener comprising:

• a casing having a front plate and a rear plate, a first tube extending frontwardly from said front plate and said rear plate having a plurality of first holes defined therein, a first tubular member extending frontwardly from an inner side of said rear plate and a first rod centrally extending frontwardly from said inner side of said rear plate;
• a guide plate having a central hole defined therein and securely mounted to said first tubular member, said guide plate having a plurality of vents defined therein and having a disk disposed to a front side thereof, each of said vents defined by a dumbbell-shaped inner periphery and said disk having a first inclined surface defined in a rear periphery thereof;
• a grinding member including a plate member and a grinding ring disposed to a rear periphery of said plate member, said grinding ring having a second inclined surface defined in a rear periphery thereof, said plate member having a second tubular member extending rearwardly from a rear side thereof and the second tubular member having a second hole defined therein such that said first rod extends through said second tubular member and said second hole, said plate member having two slots defined therein;
• a rotating member having a front end and a rear end which is an open end and has a flange extending radially therefrom, at least two protrusions extending rearwardly longitudinally from said flange, said front end having a cone-shaped recess defined in a front side thereof and a second rod extending rearwardly from a rear side of said front end, said protrusions extending through said slots of said grinding member and a first spring received between said plate member and said rear side of said front end of said rotating member, a second spring received between a distal end of said first rod and said rear side of said front end of said rotating member, and
• a sleeve mounted to said first tube.