Coiling head with changeable inner hole size

The utility model discloses a coiling head with the changeable inner hole size. The coiling head can be used for a coiler and comprises a coiling head inner core, gaskets, baffles, a pressing plate and a width adjusting nut, wherein the coiling head inner core is arranged in the width adjusting nut, a gap is formed between the outer wall of the coiling head inner core and the inner wall of the width adjusting nut, the gaskets are detachably inserted in the gap, the baffles are detachably arranged on the width adjusting nut and press the gaskets, the outer diameter of the gaskets is not less than the diameter of inner holes of the baffles, and the pressing plate is fixed to one end of the coiling head inner core. In actual production, multiple sets of gaskets and baffles need to be prepared, the gaskets and the baffles of each set correspond to each other, if an inner hole of each electric wire coil need to be changed, what is only needed is to replace the gaskets and the baffles, the original gaskets and the original baffles are taken down, gaskets with required thicknesses and baffles corresponding to the gaskets are installed, the sizes of the inner holes can be changed, operation is convenient, it is needless to replace the whole coiling head, and production efficiency is improved.