apparatus designed to carry out the quality control of printed material in paper or plastic band

摘要

Equipment for carrying out the quality control of material printed on paper or plastic bands, comprising a first part for un-winding the band, a central part for the control and correction of errors and a final part for re-winding the band, where the central part for the control and correction of errors has a device for acquiring images on the band, which is equipped with a moving system which moves it along said band, a band storage, a control device on which master images are loaded, where said control device is provided with a programme which confronts the images obtained by the device for acquiring images on the band with the master images previously loaded on said control device and which, if it encounters differences between the master images and the images acquired from the band, indicates one or more errors, stops the main driving motor and moves the device for acquiring images on the band after the error or the errors noted, in such a way that after the correction of the error or errors said device for acquiring images on the band passes again over the corrected area and checks whether the correction corresponds with the master image previously installed.