Dynamic Gap Control for Sheet Folding Accuracy
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Solution Overview
Problem
Existing post-processing systems face challenges in maintaining accuracy during the folding of stacked sheets, particularly when the gap between sheets is fixed, leading to potential deterioration in the folding process.
Innovation Solution
A post-processing apparatus equipped with a guiding unit that can adjust the gap in the thickness direction of the sheet stack and a controller to control the gap size and pattern, ensuring precise alignment and folding of sheets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the gap between sheets is fixed, then the structure is simple and easy to control, but the folding accuracy deteriorates
Solution Approach 1:
The guiding unit is configured to be movable in the thickness direction of the stacked sheets, allowing the gap between sheets to be dynamically adjusted during the folding process. This dynamic adjustment enables optimization of folding accuracy at different stages of sheet stacking and folding, resolving the contradiction between maintaining simple structure and achieving high folding precision.
Solution Approach 2:
The patent changes the physical parameter of gap size between sheets from a fixed value to a variable parameter that can be adjusted. By controlling the position of the guiding unit in the thickness direction, the system modifies the gap parameter to suit different folding requirements, thereby improving folding accuracy without requiring complex multi-component structures.
2Manufacturing precision
If the gap between sheets is adjusted dynamically, then folding accuracy is improved, but the device complexity increases
Solution Approach 1:
The guiding unit serves multiple functions: it guides sheets during stacking, controls the gap between sheets, and facilitates the folding process. By consolidating these functions into a single movable component rather than separate mechanisms, the system achieves dynamic gap adjustment for improved folding accuracy while maintaining operational simplicity through multi-functionality.
Data Source
AI summary
A post-processing apparatus includes a guiding unit that faces a placement surface onto which sheets are transported and stacked as a stack of sheets and that is capable of changing a gap in a thickness direction of the stack of sheets, the guiding unit being configured to guide the sheets which are transported, and a controller that controls a size of the gap and a change pattern of the gap.