Sheet Processing Apparatus Adjustable Paddle Stapling
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Solution Overview
Problem
Current sheet processing apparatuses face challenges in efficiently aligning and stapling sheets at non-standard positions, limiting flexibility and precision in post-processing operations.
Innovation Solution
The apparatus incorporates a paddle section with adjustable paddles and a post-processing controller that coordinates the movement of the ejector and bundle claw to align and staple sheets at customized positions, allowing for precise alignment and stapling beyond standard settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the sheet processing apparatus uses a fixed standard position for stapling, then the device complexity is reduced, but the adaptability for non-standard stapling positions is limited
Solution Approach 1:
The paddle section is designed with movable and adjustable paddles that can be positioned at different locations along the conveyance direction. This dynamic configuration allows the stapling position to be changed without redesigning the entire apparatus, resolving the contradiction between adaptability and device complexity by making only the necessary components adjustable rather than the whole system
Solution Approach 2:
The apparatus allows changing the stapling position parameter by adjusting the paddle configuration. Instead of creating multiple fixed-position apparatuses, the system enables parameter variation (stapling position) through simple paddle repositioning, maintaining device simplicity while achieving versatility
2Adaptability or versatility
If the apparatus aligns sheets at non-standard positions, then the adaptability is improved, but the manufacturing precision becomes more difficult to maintain
Solution Approach 1:
The paddle section acts as an intermediary mechanism between the sheet feed system and the stapling mechanism. By introducing this intermediate alignment stage with adjustable paddles, the system can precisely position sheets at non-standard locations while maintaining control over alignment accuracy, thus preserving manufacturing precision even when adaptability is enhanced
3Measurement precision
If the apparatus uses a simple alignment mechanism, then the device complexity is reduced, but the measurement precision for non-standard positions is insufficient
Solution Approach 1:
The alignment function is segmented into the paddle section with individual adjustable paddles rather than using a single complex alignment mechanism. This segmentation allows precise control and measurement of sheet position at different locations, improving measurement precision while keeping each paddle component simple and the overall system manageable
Data Source
AI summary
A sheet processing apparatus includes a tray, a stapler, a first discharge section, and a controller. A sheet on which an image is formed is stacked on the tray. The stapler is arranged at an upstream side in a first direction which is a sheet discharge direction with respect to the tray, and executes a binding processing on the sheet. The first discharge section moves from a reference position at the upstream side of the tray to the first direction while supporting the sheet, and executes a discharge processing of the sheet. The controller enables the first discharge section to move from the reference position to a downstream side in the first direction and stop at a processing position and drives the stapler to execute the binding processing on the sheet supported by the first discharge section.