Dynamic Package Formation for Odd-Even Printed Product Sequences
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Solution Overview
Problem
Existing methods in print finishing struggle to maintain efficient production flow by ensuring packages have either an even or odd number of printed products, leading to inefficiencies in packaging and distribution, as well as limitations in error correction without disrupting the production process.
Innovation Solution
A method that uses multiple feeders controlled by a central unit to dynamically form packages with any number of printed products, allowing for continuous production of both even and odd numbered packages, with immediate error correction mechanisms to maintain production flow without interrupting the process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single pocket along a loading section receives two printed products to increase production output, then productivity improves, but packages with an odd number of printed products cannot be formed in the same production flow
Solution Approach 1:
The loading section is divided into multiple pockets, and the system segments the delivery sequence into different types (even-numbered sequences and odd-numbered sequences). Each pocket can be independently controlled to receive either one or two printed products, allowing the system to maintain high productivity through double-loading while also accommodating odd-numbered packages through single-loading when needed.
Solution Approach 2:
The system dynamically adjusts the number of printed products delivered to each pocket based on the required package configuration. The controller can switch between delivering one or two products per pocket along the loading section, enabling the same production flow to handle both even and odd numbered packages without interruption or separate processes.
2Reliability
If error correction is performed by separating incomplete packages to deliver missing printed products, then package completeness is ensured, but production flow is interrupted
Solution Approach 1:
The system performs preliminary error detection and correction within the continuous production flow. When a printed product is found to be defective or missing, the controller immediately initiates a subsequent delivery to provide a replacement product before the package formation is complete, eliminating the need to interrupt production for separate error correction processes.
Solution Approach 2:
The error correction mechanism operates continuously within the production flow rather than interrupting it. The controller manages subsequent deliveries of replacement products that integrate seamlessly into the ongoing package formation process, ensuring that error correction does not break the continuous production action and maintaining both reliability and productivity.
3Productivity
If packages must have exactly the predetermined number of printed products without shortage or surplus, then distribution efficiency improves, but any deviation requires separate corrective processes
Solution Approach 1:
The controller continuously monitors the package formation process and provides feedback when deviations from the predetermined number of printed products are detected. This feedback mechanism enables immediate corrective actions through subsequent deliveries, ensuring packages meet the exact required quantity while maintaining distribution efficiency without complex separate corrective processes.
Data Source
Figure 1~3
Figure 2a~3a
AI summary
The method involves delivering the printed products (6,HP,IS) continuously over a feeder (4,5) to a conveying unit (3), where the printed products are transported to a cross-bearing (8a,8b,8c), in which the individual packets (9a,9b,9c) is formed with multiple printed products. The bags are continuously loaded by two printed products for the formation of packets. The bags stand in operative connection with the feeder. The pacekts are numerically formed.