Basic functions of heavy stapler

According to the importance of the functions of the heavy-duty stapler, the functions of the heavy-duty stapler are divided into main functions, secondary functions and auxiliary functions. It mainly includes the needle loading function and the needle sticking function. Secondary functions include changing the shape of the needle stick. Auxiliary functions include anti-slip and noise prevention functions. Each function can be divided into some sub-functions according to its implementation steps. The needle loading function can be divided into the cover opening function, namely the end cover opening function, the needle loading function, the needle fixing function and the cover closing function. The fixed needle function can also be subdivided into book feeding function, semi-automatic needle feeding function, binding function, automatic top function, automatic rebound function, and book order function. The function of changing the shape of the needle stick can be divided into ejecting the needle mold, changing the shape of the needle mold, returning the fixed needle mold and positioning the needle mold. Anti-slip, anti-noise function; trademark display function.