Adjustable Binding Position for Large Sheet Bundle Stability
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Solution Overview
Problem
Existing binding process technologies face challenges in securely fastening large sheet bundles, as the binding force can be easily undone due to the stiffness of the sheets, leading to potential unbinding, especially when the number of sheets exceeds a certain threshold.
Innovation Solution
A binding process device with an advancing member that can adjust its binding position between a first and a second position closer to the intersection of sheet edges, utilizing two advancing members to apply pressure and entwine the fibers of the sheets, thereby enhancing the stability of the bound section.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If binding is performed at a fixed position, then the binding process is simple, but the binding strength is insufficient for large sheet bundles
Solution Approach 1:
The binding position is made adjustable along the longitudinal direction of the sheet bundle. The binding unit can move to different positions (first binding position and second binding position) to adapt to different sheet bundle sizes, thereby maintaining optimal binding strength without requiring complex additional structures.
Solution Approach 2:
The binding position parameter is changed based on the sheet bundle size. For small bundles, binding is performed at the first position; for large bundles, binding is performed at the second position closer to the corner, optimizing the binding strength for each case.
2Reliability
If binding position is fixed, then the device structure is simple, but the binding force distribution is uneven for varying bundle sizes
Solution Approach 1:
The binding unit is designed with dynamic position adjustment capability along the longitudinal direction. This allows the binding force to be applied at the most effective location depending on the sheet bundle size, ensuring reliable binding stability without over-complicating the device structure.
3Quantity of substance
If binding is performed on large sheet bundles, then more sheets can be bound, but the binding force is easily undone due to sheet stiffness
Solution Approach 1:
The binding position parameter is adjusted based on the number of sheets in the bundle. For large bundles where sheet stiffness causes binding force to be easily undone, the binding unit moves to the second position closer to the corner, where the binding geometry provides better mechanical advantage and resistance to unbinding.
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 adjustable binding position ensures a stronger and more stable bond, reducing the likelihood of unbinding, especially in bundles with a larger number of sheets, while maintaining a cosmetic appeal by distributing the binding force effectively.
Implementation Method 1
causing the advancing member to advance toward the corner and is capable of performing the binding process at a first position and at a second position
Implementation Method 2
utilizing two advancing members to apply pressure and entwine the fibers of the sheets
Data Source
AI summary
A binding process device includes an advancing member and a binding process unit. The advancing member advances toward a corner of a recording-medium bundle having multiple edges and having the corner at an intersection position where the edges intersect. The binding process unit performs a binding process on the recording-medium bundle by causing the advancing member to advance toward the corner and is capable of performing the binding process at a first position and at a second position located closer to the intersection position than the first position.