Medium Processing Apparatus With Correction Rollers for Sheet Alignment
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Solution Overview
Problem
Existing medium processing systems face challenges in handling multiple sheets overlaid with each other during circulating conveyance, as the leading ends of the sheets become displaced due to differences in inner and outer route distances in the conveyance path, making it difficult to maintain alignment.
Innovation Solution
A medium processing apparatus is designed with a first conveyor in a conveyance path and a second conveyor in a circulation path branched from the conveyance path, featuring a correction roller pair to correct displacement and align the leading ends of multiple sheets in the circulation path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple sheets are conveyed in a circulating conveyance operation, then the sheets can be processed in a loop, but the leading end of each sheet is displaced due to the difference between inner and outer route distances
Solution Approach 1:
A correction roller pair is introduced as an intermediary component in the circulating conveyance path. This roller pair specifically targets and corrects the displacement of sheet leading ends that occurs during circulating conveyance, allowing the system to maintain both productivity and alignment precision.
Solution Approach 2:
The invention changes the physical parameter of the conveyance system by adding a correction roller pair that applies a compensating force. This parameter change enables the system to counteract the displacement caused by different inner and outer route distances, maintaining sheet alignment during circulating conveyance.
2Manufacturing precision
If the leading end of each sheet is corrected by contacting the nip region of a conveyance roller pair, then alignment is improved, but the technique cannot handle the displacement caused by circulating conveyance operations
Solution Approach 1:
The correction roller pair is designed to dynamically adjust to the displacement conditions caused by circulating conveyance. It can adapt to the varying routes and distances in the circulating path, providing continuous alignment correction throughout the conveyance cycle rather than relying on a fixed correction method.
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
The system effectively maintains alignment of multiple sheets by correcting displacement through the use of a correction roller pair, ensuring accurate folding and processing of sheets.
Implementation Method 1
a correction roller pair to correct a displacement of the multiple media that are overlaid on each other and circulate together in the circulation path
Data Source
AI summary
A medium processing apparatus includes a first conveyor and a second conveyor. The first conveyor is disposed in a conveyance path to convey a medium or multiple media including the medium in a conveyance direction. The second conveyor is disposed in a circulation path that is branched from the conveyance path at a branching point and is merged at a merging point upstream from the branching point in the circulation path in the conveyance direction to circulate the medium. The second conveyor includes a correction roller pair to correct a displacement of the multiple media that are overlaid on each other and circulate together in the circulation path.