Perforating device for terminal machining

The utility model discloses a perforating device for terminal processing. The mobile phone shell positioning device comprises a platform plate and a non-closed mobile phone shell positioning frame mounted on the platform plate, the mobile phone shell positioning frame is fixed on the platform plate through screws; a punching cylinder is arranged at a preset punching position on the outer side of the mobile phone shell positioning frame; a shell plate jacking air cylinder is arranged at the preset punching position on the inner side of the mobile phone shell positioning frame so as to jack a punched shell to the inner side face of the mobile phone shell positioning frame, and a through hole corresponding to a hole to be punched is formed in the mobile phone shell positioning frame. According to the utility model, a product can be well positioned, and the product, namely the mobile phone shell, is propped against the inner side of the positioning frame by the cylinder after being positioned, so that the punchin