Printing plate workflow controlled with the aid of the transport cart

Patent metadata

Field	Value
Publication number	US-11654673-B2
Application number	US-202117195945-A
Country	US
Kind code	B2
Filing date	Mar 9, 2021
Priority date	Mar 11, 2020
Publication date	May 23, 2023
Grant date	May 23, 2023

Abstract

A method correctly mounts printing plates in a printing press. The method uses prepress software, a transport device, an identification device disposed on the transport device or on a printing plate, and a scanning device. The prepress software defines a sequence of print jobs to be processed by the printing press and sends data for making the printing plates for the print jobs defined in the processing sequence to a platesetter. The platesetter produces the corresponding printing plates. The produced printing plates are deposited on the transport device, the transport device is conveyed to the printing press, and the identification device of the transport device or of a printing plate is scanned by a scanning device at the printing press and the print jobs that have been identified in this way are compared to the print jobs which the prepress software has assigned to the printing press.

First claim

The invention claimed is:

1. A method for correctly mounting printing plates in a printing press to be equipped with the printing plates, the method using prepress software, at least one transport device, at least one identification device disposed on the at least one transport device, and a scanning device at the printing press, which comprises the steps of:
defining, via the prepress software, a sequence of print jobs to be processed by the printing press;
sending data for making the printing plates for the print jobs defined in the processing sequence to a platesetter via a communication link;
producing via the platesetter the printing plates;
depositing the printing plates on the at least one transport device;
conveying the at least one transport device to the printing press; and
reading the at least identification device disposed on the at least one transport device by the scanning device at the printing press and the sequence of print jobs that have been identified in this way are compared to the sequence of print jobs which the prepress software has assigned to the printing press.

2. The method according to claim 1 , which further comprises displaying a warning at the printing press if deviations are found between the printing plates on the at least one transport device and the sequence of print jobs which the prepress software has assigned to the printing press.

3. The method according to claim 1 , wherein:
the prepress software receives feedback from the at least one identification device of the at least one transport device; and
the prepress software identifies the at least one transport device and forwards a result of an identification to the printing press and to the scanning device disposed at the printing press in question.

4. The method according to claim 1 , wherein the plate setter includes a downstream sorting and stacking unit for depositing the printing plates produced on the at least one transport device.

5. The method according to claim 1 , wherein the at least one transport device is a printing plate transport cart.

6. The method according to claim 1 , which further comprises conveying the printing plates from the at least one transport device into the printing press by a printing plate logistics device and pulled in by an automated printing plate changing device.

7. The method according to claim 1 , wherein the scanning device at the printing press is a hand-held scanner for reading out the at least one identification device on the at least one transport device or on the printing plates and transmits a result to a control unit of the printing press by wire or wirelessly.

8. The method according to claim 1 , wherein when the prepress software defines the sequence of the print jobs, it combines the printing plates lying on the at least one transport device and corresponding jobs in one file.

9. The method according to claim 1 , wherein the at least one identification device is a bar code or a quick response code.

10. The method according to claim 6 , wherein the printing plate logistics device is a plate cart lift.

Assignees

• Heidelberger Druckmasch Ag

Inventors

• Kluepfel Martin
• Schilz Ingo
• Beyer Matthias
• Strunk Andre

Classifications

• B41F27/1206 Primary

  Feeding to or removing from the forme cylinder · CPC title

• B41F33/0009 Primary

  Central control units · CPC title

• B41F27/00

  Devices for attaching printing elements or formes to supports (attaching by chemical means B41N6/00) · CPC title

• B41F27/005

  Attaching and registering printing formes to supports · CPC title

• G06K19/06028

  using bar codes · CPC title