Sign aligning device

An embodiment of the utility model provides a sign aligning device relates to food pharmaceutical packaging technical field, can solve printed patterns on the aluminium foil and medicine board ruler cun unmatched problem among the prior art. Sign aligning device includes first backing roll, at least one slewing rollers, vacuum brake roller and at least one second backing roll, the cover is equipped with the aluminium foil book on the first backing roll, still include vacuum adsorption unit, the control unit and color mark sensor, the vacuum adsorption unit includes a plurality of vacuum adsorption holes, and a plurality of vacuum adsorption holes are used for adsorbing the aluminium foil at the lateral wall of vacuum brake roller on the surface, the aluminium foil book is gone up intervaldefault distance and is provided with the counterpoint sign, and color mark sensor is used for detecting the counterpoint sign on the aluminium foil that passes the second backing roll to send the testing result for the contr