Grinding wheel unit

The utility model relates to a grinding wheel unit, the on -line screen storage device comprises a base, the base is appeared on the stage and is fixed with the motor by the bracing piece on the terrace, the emery wheel is equipped with to the left and right sides of motor, left and right sides emery wheel overlaps respectively outward has left protective housing and right protective housing, install a locating piece on the left protective housing side of a left side 60 degrees breach tops on the protective housing in proper order, regulating plate and last separation blade, install down the regulating plate on the left protective housing medial surface of 60 degrees breach lower ends, the upper end of regulating plate is projected a rectangle piece and is lain in under 60 degrees breachs down, it installs regulating plate and last separation blade on a locating piece and the locating piece in proper order to have on the right protective housing side of the 100 twenty degree breachs top of the right side on the protective housing, install down the regulating plate on the left protective housing medial surface of 100 twenty degree breachs lower end and project a rectangle piece and lie in under the 100 twenty degree breachs on the regulating plate down. The utility model relates to a rationally, can effectually block the grinding of splashing material, carry out comprehensive parcel to the emery wheel simultaneously, very big improvement the security of production.