Paper tape turnover device of printing machine

The utility model provides a printing machine paper tape turnover device, which relates to the technical field of printing machines and comprises a base component and a turnover mechanism, a lead-in component assembled by a bolt is arranged above one end of the base component, and the turnover mechanism assembled by the bolt is arranged on the top side of the base component. The turnover mechanism assembled by the bolts is arranged on the top side of the base component, so that the turnover mechanism is matched with the base component, an arc-shaped structure is arranged on the trapezoidal seat, and the sliding rod seat is connected with the sliding sleeve in a sliding manner, so that the sliding sleeve can be adjusted on the sliding rod seat in a sliding manner; in this way, adjustment can be carried out according to the thickness of paper to achieve the effect of adapting to the overturning acting force, in cooperation with the forward overturning rod on the inclined inner side of the upper bolt shaft base,