Protruding Guide for Adhesive Bonding Sheet Jam Prevention
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Solution Overview
Problem
Existing paper sheet binding technologies face issues with adhesion causing sheet jams and misalignment, particularly when using adhesives, and existing solutions either require significant crimping force or damage the paper sheets, or involve complex mechanisms that are prone to errors in alignment and bonding.
Innovation Solution
A sheet processing device with an adhesive application system that applies adhesive at intervals along the paper sheet width and includes a protruding guide to prevent adhesive from adhering to device components, ensuring accurate alignment and reducing sheet jam occurrences by guiding the paper sheet effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If adhesive is applied to paper sheets for bonding, then binding strength is improved, but adhesive adhesion to device components causes sheet jams
Solution Approach 1:
The protruding guide extracts the adhesive application area from the general conveying path by creating a dedicated bonding zone. The guide structure separates the adhesive-applied region from device components, preventing adhesive contamination while maintaining binding functionality.
Solution Approach 2:
The protruding guide acts as an intermediary element between the adhesive application point and the conveying path. It provides a physical barrier that prevents direct contact between adhesive and device components, thereby eliminating sheet jams caused by adhesive adhesion.
2Manufacturing precision
If adhesive is applied at intervals along paper sheet width, then bonding accuracy is improved, but alignment precision deteriorates
Solution Approach 1:
The protruding guide performs preliminary alignment of the paper sheet before adhesive application. By guiding the sheet into the correct position in advance, it ensures that subsequent adhesive application occurs at the precise intended location, maintaining both alignment and bonding accuracy.
Solution Approach 2:
The protruding guide creates a localized bonding zone with specific geometric characteristics. This localized structure provides precise positioning cues for adhesive application while maintaining overall sheet alignment, resolving the contradiction between bonding accuracy and alignment precision.
3Object-generated harmful factors
If protruding guide is positioned between adhesive-applied positions, then adhesive adhesion to components is suppressed, but device complexity increases
Solution Approach 1:
The protruding guide segments the conveying path into distinct zones: a bonding zone where adhesive is applied and a conveying zone where sheets move. This segmentation naturally prevents adhesive contact with downstream components while using a simple geometric form rather than a complex mechanism.
Solution Approach 2:
The protruding guide serves multiple functions simultaneously: it acts as a positioning reference, a physical barrier against adhesive contamination, and a structural element of the bonding mechanism. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in device complexity.
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 solution effectively suppresses adhesive adhesion to device components, reducing sheet jam likelihood and improving conveyance accuracy, while ensuring stable binding without damaging the paper sheets.
Implementation Method 1
a bonding member that applies adhesives onto the conveyed paper sheet at intervals in a sheet width direction
Implementation Method 2
a protruding guide that is positioned on a conveying path, downstream of the bonding member in a sheet conveying direction and guides the paper sheet, facing an adhesive-applied surface of the paper sheet, the protruding guide being positioned between sheet width direction lines of the adhesive-applied position
Data Source
AI summary
A sheet processing device conveys a paper sheet onto which an adhesive is applied, and includes a bonding member that applies adhesives onto the conveyed paper sheet at intervals in a sheet width direction; and a protruding guide that is positioned on a conveying path, downstream of the bonding member in a sheet conveying direction, and guides the paper sheet, facing an adhesive-applied surface of the paper sheet. The protruding guide is positioned between sheet width direction lines of the adhesive-applied position and includes a protruding portion protruding into the conveying path. With this configuration, it is possible to suppress the adhesive from being adhered to a device component even in a configuration in which an adhesive-applied paper sheet is moved inside the device to make a sheet jam due to the adhesion less likely to occur.