Pneumatic air grinding pen

The utility model relates to the field of machining tools, in particular to a pneumatic air grinding pen which is a machine for grinding, deburring and the like of workpieces. The utility model relates to a pneumatic grinding machine, in particular to a pneumatic grinding machine, some pneumatic grinding machines are made into pen shapes, so that the pneumatic grinding machine is called as a pneumatic grinding pen and is usually used for deburring, engraving, grinding and other operations, and the pneumatic grinding machine aims to solve the technical problem that observation of operators is affected during grinding due to environment shadow when the pneumatic grinding pen is used for grinding, and comprises a pneumatic grinding pen and an air inlet pipe, the air grinding pen is connected with the compression air pump through the air inlet pipe, the lamp tube and the convex lens are arranged at the lower end of the air grinding pen, and by arranging the lamp tube and the convex lens, a worker can clearly obse