Air knife device

The utility model provides an air knife device which comprises an air knife body, the air knife body comprises a base and an air knife opening head, the air knife opening head is connected to the bottom of the base, and a through air knife opening is formed in the upper portion and the lower portion of the base and the air knife opening head. The protective cover is connected to the air knife edge head in an opening and closing mode and located on the periphery of the air knife edge, and air holes are formed in the side wall of the protective cover. According to the air knife device provided by the embodiment of the utility model, the product quality can be improved, and the labor intensity can be reduced. 本实用新型提供一种风刀装置，包括：风刀本体，所述风刀本体包括基座和风刀口头，所述风刀口头连接在所述基座的底部，所述基座和所述风刀口头上下形成有贯穿的风刀口；防护罩，所述防护罩可开合地连接在所述风刀口头上且位于所述风刀口的外围，所述防护罩的侧壁上开设有气孔。根据本实用新型实施例的风刀装置，能够提高产品质量且降低人工劳工强度。