Adhesive Binding Mechanism for Sheet Processing
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Solution Overview
Problem
Stapled sheets can damage shredders and cause sheet jams when reintroduced without removing staples, and even after staple removal, they may still lead to jamming issues during reuse.
Innovation Solution
A sheet processing apparatus that uses an adhesive to bind sheets instead of staples, featuring an adhesive applying unit and a pressing mechanism to ensure firm bonding between sheets, preventing damage and jamming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If sheets are bound using staples, then the sheets can be securely bound together, but the stapled sheets may damage shredders and cause sheet jams when reintroduced
Solution Approach 1:
The invention extracts the harmful element (staples) from the binding process and replaces it with an adhesive-based binding mechanism. The adhesive applying unit deposits adhesive material on the sheets, and the pressing member applies pressure to bond the sheets together without using metal staples, thereby eliminating the risk of staple-related damage to shredders and sheet jams.
Solution Approach 2:
The invention replaces the mechanical stapling system with an adhesive-based system. Instead of using a stapler that drives metal staples through the sheets, the system uses an adhesive applying unit that deposits adhesive material and a pressing member that applies pressure to bond the sheets, substituting mechanical fastening with chemical bonding.
2Reliability
If an adhesive applying unit moves close to the sheet to apply adhesive, then effective bonding can be achieved, but the pressing member may interfere with the adhesive application
Solution Approach 1:
The invention makes the pressing member movable rather than fixed. The pressing member can move into and out of the moving path of the adhesive applying unit, allowing dynamic coordination between the two components. This enables the pressing member to be positioned out of the way during adhesive application and then moved into position for pressing, eliminating interference while maintaining bonding effectiveness.
Solution Approach 2:
The pressing member operates in periodic cycles, moving into the moving path of the adhesive applying unit only when needed for pressing and retracting when not needed. This periodic engagement ensures that the pressing member does not continuously interfere with adhesive application while still providing necessary pressure for effective bonding at appropriate times.
Data Source
AI summary
A sheet processing apparatus includes a sheet tray on which one or more sheets to be processed are placed, an adhesive applying unit, and a pressing member. The adhesive applying unit has an end portion that faces the sheet tray and holds an adhesive material and is configured to move towards the sheet tray up to a position at which the end portion is in contact with or proximate to a sheet on the sheet tray and apart from the sheet tray. The pressing member is configured to move into and out of a moving path of the adhesive applying unit. The pressing member is pressed against a sheet on the sheet tray by the adhesive applying unit, when the pressing member is in the moving path of the adhesive applying unit and the adhesive applying unit moves towards the sheet tray.