Material loading mechanism for automatic PIN drilling

The invention discloses a material loading mechanism for automatic PIN drilling, the material loading mechanism for automatic PIN drilling comprises: a supporting unit, a feeding unit, a clamping unit and a drilling unit, the feeding unit, the clamping unit and the drilling unit are arranged on the top side of the supporting unit, the clamping unit is arranged on one side of the top side surface of the supporting unit, the feeding unit and the drilling unit are arranged on the other side of the top side surface of the supporting unit relative to the clamping unit. The clamping unit comprises a clamping assembly, a mounting assembly and a driving assembly, the mounting assembly is arranged on the top side surface of the supporting unit, the clamping assembly and the driving assembly are mounted on the top side surface of the mounting assembly, and the output end of the driving assembly is connected with the clamping assembly through the mounting assembly, so that the clamping assembly is driven to translate on