Y-axis pull cover of horizontal machining center

The utility model discloses a horizontal machining center y-axis pull cover which comprises an outer frame, a pull cover body and a main shaft connecting plate, the outer frame comprises a left cover plate, a right cover plate and an upper cover plate outer frame, the left cover plate, the right cover plate and the upper cover plate outer frame are welded to form the outer frame, the pull cover body is divided into an upper pull cover body and a lower pull cover body, and the upper pull cover body and the lower pull cover body are connected through the main shaft connecting plate; the pull covers are all formed in a bending mode, limiting structures are arranged on the inner walls and the outer surfaces of the two sides of each pull cover respectively, and the upper pull cover comprises a first pull cover body, a second pull cover body and a third pull cover body. The hinge is arranged to be in contact with the pull cover through the bolt and the hinge base, meanwhile, the connecting pieces at the two ends of