Shaft roller device for assisting diamond wire arrangement

The utility model discloses a shaft roller device for assisting diamond wire arrangement, which is characterized in that a bottom plate is connected to one end of a main shaft, two deep groove ball bearings are mounted on the main shaft, a bearing inner spacer bush and a bearing outer spacer bush are mounted between the two deep groove ball bearings, a rotating sleeve is nested on the outer side of the bearing outer spacer bush, and the rotating sleeve is sleeved on the outer side of the rotating sleeve. The outer side of the rotating sleeve is sleeved with an aluminum alloy base body in an embedded mode, and the outer side of the aluminum alloy base body is connected with a glue layer. The rotating sleeve and the aluminum alloy base body are fixed through an expansion sleeve. The expansion sleeve is fixed on the aluminum alloy base body through a bolt; the bearing inner gland is fixed to the end of the main shaft through a bolt, and the bearing outer gland is fixed to the end of the rotary sleeve through a b