Sheet Folding System Junction Interference Control
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Solution Overview
Problem
Existing sheet folding systems face productivity issues due to interference between sheets during multiple folding processes, particularly when two or more sheet folding apparatuses are coupled, leading to increased processing time and reduced efficiency.
Innovation Solution
A sheet folding system with multiple sheet folding apparatuses and circuitry that controls sheet conveyance to prevent interference at junctions, using a configuration with first and second conveyance passages and a fold-enforcing roller to enforce folds, while a controller manages sheet conveyance to alternate and retain sheets, ensuring smooth operation and reducing defective conveyance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple sheet folding apparatuses are coupled to perform multiple folding processes, then productivity and folding methods are improved, but sheet interference occurs at junctions causing defective conveyance
Solution Approach 1:
The conveyance path is divided into multiple independent passages (first conveyance passage, second conveyance passage, third conveyance passage) with separate control mechanisms. Each passage can be controlled independently to prevent sheet interference at junctions while maintaining high throughput in the overall system.
Solution Approach 2:
The system dynamically controls sheet conveyance by selectively activating different conveyance passages based on real-time sheet positions and folding process requirements. The controller adjusts conveyance timing and routing dynamically to prevent interference while maximizing productivity.
2Adaptability or versatility
If sheets are conveyed through multiple passages and junctions, then folding flexibility is improved, but interference between sheets increases
Solution Approach 1:
The controller acts as an intermediary that coordinates between multiple conveyance passages and folding apparatuses. It manages sheet routing decisions and timing to ensure sheets from different passages do not interfere with each other at junctions, while still allowing flexible folding process configuration.
3Reliability
If sheet conveyance is controlled to prevent interference, then conveyance reliability is improved, but processing time increases
Solution Approach 1:
The system maintains continuous sheet conveyance through multiple parallel passages, ensuring that sheets are always being processed without unnecessary interruptions. By having multiple passages available, the system can continuously route sheets through appropriate paths without waiting for interference-free zones, thus minimizing processing time while maintaining reliability.
Data Source
AI summary
A sheet folding system includes a plurality of sheet folding apparatuses configured to receive and perform a folding process on a sheet and circuitry configured to distribute sheets to the plurality of sheet folding apparatuses. Each of the plurality of sheet folding apparatuses includes a folding device configured to fold the sheet, a first conveyance passage configured to convey the sheet downstream in a sheet conveyance direction without passing through the folding device, a second conveyance passage configured to convey the sheet to the folding device, a third conveyance passage configured to convey the sheet from the folding device downstream in the sheet conveyance direction, and a junction between the first conveyance passage and the third conveyance passage. The circuitry controls sheet conveyance to prevent an interference, at the junction, between the sheet conveyed from the first conveyance passage and the sheet conveyed from the third conveyance passage.