Perpendicular slide rail device of numerical control longmen lathe

The utility model relates to a perpendicular slide rail device of numerical control longmen lathe belongs to numerical control longmen machine tool drive device field, including square ram and cross slide, in the U type slide that square ram was installed at the cross slide, U type slide mouth department is equipped with the cross slide apron, the processing of U type slide side has first benchmark installation face, second benchmark installation face and third benchmark installation face, cross slide apron inboard is equipped with fourth benchmark installation face, install rolling guide piece no. 1 on first benchmark installation face and the second benchmark installation face, install rolling guide piece no. 2 on third benchmark installation face and the fourth benchmark installation face, rolling guide piece no. 2 and square ram roll connection, be equipped with the adjusting wedge between rolling guide piece no. 2 and third benchmark installation face and the fourth benchmark installation face. The utility model provides high assembly efficiency reduces assembly expense in man -hour, and the bearing capacity is big, and the whole rigidity of ram part is high, and the shock resistance is strong, and the ram part removes to rolling friction, and coefficient of friction is low.