Drilling of sewing machine main shaft, milling flat anchor clamps

The utility model relates to a drilling of sewing machine main shaft, milling flat anchor clamps, the main shaft comprises integrated into one piece's pole portion and circular spindle nose, pole portion is cylindrically, the spindle nose is close to pole portion on the surface and has a recess, anchor clamps including a base, bar -shaped block on the base sets firmly, the part is located bar -shaped block is last compress tightly the portion and with the spacing portion of the adjacent setting of bar -shaped block tip, the last V type groove that is equipped with of bar -shaped block, it is used for the holding the pole portion of main shaft, the portion that compresses tightly locates including the part the compact heap of bar -shaped block top, run through perpendicularly the compact heap compress tightly the pole and one end sets firmly perpendicularly in the dead lever of compact heap lower surface, the other end of dead lever passes through the nut to be fixed on the base, spacing portion adorns the fix