Liquid Applier Height Adjustment for Crimp Binding
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Solution Overview
Problem
Existing medium processing apparatuses face challenges in maintaining a suitable liquid application amount during crimp binding, especially when the number of sheets in a sheet bundle increases, leading to inconsistent binding strength.
Innovation Solution
A medium processing apparatus comprising a liquid applier, a crimper, and a controller, where the liquid applier applies liquid to the medium based on height information, ensuring a designated liquid application amount is maintained regardless of the number of sheets or sheet type.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If water is added to each sheet using a water adding unit, then the binding strength is improved, but the amount of water added becomes inconsistent when the number of sheets varies
Solution Approach 1:
The liquid application member is designed to move dynamically in the thickness direction based on the detected height of the sheet bundle. The controller adjusts the position of the liquid application member according to the actual number of sheets, ensuring consistent liquid application amount regardless of bundle thickness. This dynamic adjustment resolves the contradiction by adapting the application mechanism to varying conditions.
Solution Approach 2:
A height detecting unit is introduced to detect the height of the sheet bundle, and the controller uses this feedback information to determine the liquid application amount. The system continuously monitors the actual number of sheets and adjusts the liquid application accordingly, ensuring precise and consistent liquid application while maintaining binding strength.
2Area of stationary object
If the water adding unit moves more to contact sheets in thicker bundles, then the liquid application coverage is improved, but the liquid application amount becomes excessive
Solution Approach 1:
The patent replaces the purely mechanical movement-based liquid application with a controlled system that uses height detection and controller-based positioning. Instead of relying solely on the physical movement distance of the water adding unit, the system uses sensor feedback to precisely control the liquid application amount, preventing excessive application while ensuring adequate coverage.
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 apparatus ensures a consistent and suitable liquid application amount, thereby maintaining a strong binding force during crimp binding, even with varying numbers of sheets or sheet types.
Implementation Method 1
a liquid application member 44 to apply liquid to a part of a medium P
Implementation Method 2
The crimper presses and deforms a bundle of media including the medium to which the liquid is applied by the liquid applier, to bind the bundle of media
Data Source
AI summary
A medium processing apparatus includes a liquid applier, a crimper, and a controller. The liquid applier includes a liquid application member to apply liquid to a part of a medium. The crimper presses and deforms a bundle of media including the medium to which the liquid is applied by the liquid applier, to bind the bundle of media. The controller causes the liquid application member to move with respect to the medium, based on height information of the medium, so that an amount of the liquid applied to the medium by the liquid application member is equal to a designated amount.