RFID Format Part Verification for Packaging Machine Changeover

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Solution Overview

Problem

The inefficiency in changing over treatment machines for different container types due to manual errors in inserting and acknowledging format parts, leading to incorrect parts being used and increased setup times, which reduces operational efficiency.

Innovation Solution

A method utilizing RFID readers and transponders for unique identification of format parts, displayed on remote displays, to compare target and actual identifications, signaling necessary changes and ensuring correct part insertion, thereby minimizing errors and automating the changeover process.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual insertion and acknowledgment of format parts is used during changeover, then the process is simple to implement, but errors occur in inserting correct parts and setup time increases

Engineering Contradiction:
Improvecorrectness of format part insertionVSAvoidsetup time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system provides automatic feedback by comparing the RFID identifier of the inserted format part with the target identifier for that module. The remote display shows whether the insertion is correct or incorrect, eliminating the need for manual verification and reducing errors while maintaining quick setup.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The format parts themselves carry RFID transponders that automatically provide their identification when inserted. The system self-verifies the correctness of insertion by automatically reading and comparing identifiers, without requiring manual checking or acknowledgment by operators.

Inventive Principle:
Principle #25Self-service

2Reliability

If RFID transponders and automatic identification system is implemented, then errors in format part insertion are minimized, but device complexity increases

Engineering Contradiction:
Improvecorrectness of format part insertionVSAvoidcomplexity of changeover system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The manual mechanical process of visually identifying and verifying format parts is replaced with an automatic RFID identification system. The RFID readers and transponders provide automated identification and verification, substituting human manual checking with electronic automatic recognition.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

RFID transponders serve as intermediaries attached to format parts, carrying their identification information. RFID readers act as intermediaries that automatically read these identifiers and communicate them to the control unit for verification, simplifying the interaction between the physical format parts and the digital verification system.

Inventive Principle:
Principle #24Intermediary (Mediator)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This method significantly reduces errors in format part insertion and changeover, ensuring correct parts are used in the right modules, thereby increasing operational efficiency and reducing setup times.

Implementation Method 1

The RFID readers retrieve so-called actual identifications from RFID transponders for the format parts

Methodology Applied
Scientific EffectRFID (Radio Frequency Identification): Electromagnetic Induction

Data Source

PatentEP3044644B1Method for the controlled changeover of a treatment machine
Publication Date: 2020.08.19 KRONES AG
  • EP3044644B1 patent drawingFigure 1~2
  • EP3044644B1 patent drawingFigure 3

AI summary

The invention relates to a method for the controlled changeover of a container treatment machine which comprises a plurality of RFID reading devices, a control unit and one or more treatment modules, every treatment module having a plurality of remote indicators, and one or more exchangeable mountings equipped with RFID transponders for unambiguous identification. The method according to the invention comprises the following steps: displaying, by means of the remote indicator, predetermined target identifiers for the mountings which are transmitted by the control unit; displaying, by means of the remote indicators, actual identifiers for the mountings that are retrieved from the RFID transponders by means of the RFID reading devices; comparing the respective actual identifier for the mountings with the respective target identifiers for the mountings, and signaling when a change of the mounting is required if for said mounting the actual identifier deviates from the respective target identifier, or signaling that a mounting is correctly used if for said mounting the actual identifier corresponds to the respective target identifier.