Grinding head component of high-speed fine grinding linear bilateral edging machine

The invention relates to a grinding head component of a high-speed fine grinding linear bilateral edging machine. The grinding head component comprises a box body grinding wheel set arrangement mechanism, wherein the box body grinding wheel set arrangement mechanism is divided into a fixed end box body grinding wheel set arrangement mechanism and a movable end box body grinding wheel set arrangement mechanism; the fixed end box body grinding wheel set arrangement mechanism and the movable end box body grinding wheel set arrangement mechanism both comprise thirteen sets of grinding heads and abox body guide rail; and four sets of the grinding heads are used for rough and fine grinding of a bottom edge; three sets of the grinding heads are used for upper 45-degree chamfering grinding and polishing; another three sets of the grinding heads are used for lower 45-degree chamfering grinding and polishing, the rest three sets of the grinding heads are used for bottom edge polishing; and eachgrinding head is arranged