Air knife for glass cleaning machine

The utility model provides an air knife for a glass cleaning machine, which belongs to the technical field of glass drying, and comprises an air inlet section, an air knife section and a support section, the air inlet section comprises a round pipe structure, an eccentrically arranged round-to-square reducing structure and an end plate I, the round pipe structure is fixed at the round end part of the reducing structure, and the end plate I is fixed at the square end part of the reducing structure; the first end plate is fixed to one end of the air knife section, the supporting section is fixed to the other end of the air knife section, and the end, connected with the air knife section, of the air inlet section is arranged to be of the variable-diameter structure, so that the negative pressure phenomenon caused by sudden air speed change of the air inlet section can be reduced, air outlet continuity of the air knife section is achieved, and the air drying effect is improved. 本实用新型提供一种玻璃清洗机用风刀，属于玻璃干燥技术领域，包括进风段、