Sheet Bundle Binding Apparatus Angled Discharge
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Solution Overview
Problem
Conventional non-staple binding units for sheet bundles face issues with reliable bonding, especially when dealing with sheets of soft fibers or thick bundles, leading to image blurring and separation problems during discharge, due to corrugation-shaped pressurizing faces that can cause friction and weaken the bond.
Innovation Solution
A sheet bundle binding processing apparatus that uses offset conveyance to move the sheet bundle in a direction intersecting with the discharge direction, applying a taking-off force to prevent separation and using a side regulating plate to maintain alignment, ensuring the sheets are discharged without rubbing against the pressurizing faces, thus maintaining the bond and preventing damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If corrugation-shaped pressurizing faces are used to bond sheet bundles, then bonding strength is improved, but frictional damage occurs causing image blurring and separation during discharge
Solution Approach 1:
The patent changes the discharge direction from parallel to the pressurizing faces to an angled direction (approximately 45 degrees). This dimensional change in the discharge path allows the sheet bundle to be discharged without rubbing against the corrugation-shaped pressurizing faces, thereby preventing frictional damage and image blurring while maintaining strong bonding.
2Ease of operation
If sheets are discharged parallel to pressurizing faces, then discharge simplicity is improved, but sheets rub against pressurizing faces causing image blurring
Solution Approach 1:
The patent introduces an angled discharge path that changes the discharge direction from parallel to the pressurizing faces to approximately 45 degrees. This allows sheets to be discharged without contact with the pressurizing faces, preventing image blurring while maintaining operational simplicity through automated angled discharge.
3Reliability
If bonding pressure is increased to bond thick sheet bundles, then bonding reliability is improved, but sheets remain pressure-contacted to pressurizing face making discharge difficult
Solution Approach 1:
The patent changes the discharge direction to an angle of approximately 45 degrees relative to the pressurizing faces. This angular discharge path allows the sheet bundle to be discharged without being forced parallel to the pressurizing faces, thereby enabling reliable discharge of thick sheet bundles that have been strongly bonded through increased pressure.
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 provides strong bonding with reduced frictional damage, ensuring complete discharge of the sheet bundle without separation or image blurring, and allows for efficient handling of sheets with different sizes and materials.
Implementation Method 1
there arises a problem of image blurring... when the sheet bundle is discharged as being slid on the corrugation part of the binding device
Implementation Method 2
overlapped sheets are bonded with pressing deformation by vertically pressure-nipping the sheet bundle with pressurizing faces having corrugation-shaped faces
Implementation Method 3
In particular, when the pressurizing faces are corrugated for deep drawing to bond a thick sheet bundle more strongly, there arises a problem for discharging the sheet bundle from the binding unit
Data Source
AI summary
The purpose of the present invention is to provide a sheet bundle binding processing apparatus capable of providing relatively strong bonding when a plurality of sheets are bound by corrugation-shaped pressurizing faces with nip-pressure deformation and causing less frictional damage on a sheet face when a sheet bundle is introduced to and discharged from the binding unit. The present invention comprises a sheet bundle binding processing apparatus including a processing tray which includes a sheet placement face on which sheets are stacked, a press binding device which bonds mutually overlapped sheets stacked on the processing tray with pressure-bonding deformation, a taking-off device which applies a taking-off force to sheets bound by the press binding device along the sheet placement face for taking off the sheets from the press binding device, and a sheet bundle discharging device by which the sheets taken off from the press binding device by the taking-off device is discharged from the processing tray.