The main factors affecting the labeling accuracy in the round bottle labeling machine

The whole operation process of labeling includes several processes: taking, delivering, transmitting, positioning, labeling, covering and rolling From the perspective of technological process, the factors affecting the labeling accuracy include: positioning accuracy of vessel, labeling accuracy, labeling accuracy and rubbing accuracy When there are strict requirements on the position of the label on the bottle, it is necessary to locate the container precisely Common positioning methods mainly use the shape of the container, such as concave points, clamping lines, photoelectric positioning points on the container, usually equipped with servo mechanism to adjust the position of the container There is a deviation in labeling accuracy, bottle rotation and label movement, which is fatal to labeling accuracy Therefore, it is necessary to design a synchronous mechanism At the moment of labeling, the rotation speed of bottle and the extension speed are equal, so as to achieve relative static and improve the labeling accuracy For the accuracy of label covering and rubbing, label covering and rubbing device is needed to make the label tightly bonded with the bottle, but at the moment of contact, the label and bottle are easy to slide, which affects the accuracy Therefore, the design of covering and rubbing should be reasonable In addition, the instability of the conveyor belt, the error of the detection tool itself, the deviation of the bottle rotation and other factors will affect the labeling accuracy When designing the labeling machine, we need to consider the actual situation comprehensively.