Ball grinding mill

The utility model discloses a ball grinding mill, including barrel, welt, liner plate bolt, be equipped with barrel liner plate bolt hole on the barrel, be equipped with the liner plate bolt hole on the welt, be equipped with the steel sleeve on the inner wall in barrel liner plate bolt hole and liner plate bolt hole, liner plate bolt passes liner plate bolt hole, steel sleeve, barrel liner platebolt hole in proper order and fixes barrel and welt. The welt is equipped with the bellied terrace with edge of arc for the upper surface, the upper surface length of side of terrace with edge will begreater than the lower surface length of side. The utility model discloses an improve welt appearance and welt and barrel connected mode and solve liner plate bolt use deformation, dismantle the problem of difficulty, make the ball grinding mill barrel not receive the external force blastic deformation, can the even running. 本实用新型公开了种球磨机，包括筒体、衬板、衬板螺栓，筒体上设有筒体衬板螺栓孔，衬板上设有衬板螺栓孔，筒体衬板螺栓孔和衬板螺栓孔的内壁上设有钢质套筒，衬板螺栓依次穿过衬板螺栓孔、钢质套筒、筒体衬板螺