Shield plate combined piece of cotton slitting machine

The utility model discloses a shield plate combined piece of a cotton slitting machine. The shield plate combined piece comprises a shield plate, wherein the front end of the shield plate is matched with a beater bearing pedestal and a beater shaft, the combined position of the shield plate, the beater bearing pedestal and the beater shaft is provided with an air supplement hole, a cleaning hole is formed at rear of the air supplement hole, a maintaining hole is formed in the middle end of the shield plate, and the shield plate is made of a 5mm steel plate. In the high-speed running process of a beater, fibers are prone to being wound on a spindle nose, the phenomenon that the spindle nose is wounded by the fibers can be reduced because the air supplement hole is formed in the front end of the shield plate. Due to the arranged cleaning hole, remaining wound fibers on the spindle nose of the beater can be cleared conveniently, so that fire accidents are prevented from happening. When screws in the beater disen