Adhesive Image Sheet Bonding with Temperature-Based Heat Control
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Solution Overview
Problem
Image forming apparatuses using powder adhesive for bonding sheets incur high power consumption due to the need for heating, which is not efficiently managed in existing technologies.
Innovation Solution
An image forming apparatus that includes a control unit to evaluate the temperature of sheets and adjust the amount of heat applied during bonding, using adhesive images formed on sheets, by controlling the heating process based on pre-processing temperature evaluations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sheets are heated to bond them using powder adhesive, then the sheets can be bonded together, but power consumption increases
Solution Approach 1:
The control unit evaluates the temperature of sheets before bonding and applies heat in advance to the bonding unit based on this evaluation. This preliminary temperature assessment and conditional heating approach ensures bonds are formed only when necessary, reducing unnecessary energy consumption while maintaining bonding reliability.
Solution Approach 2:
The system dynamically adjusts the heating parameters of the bonding unit based on the evaluated sheet temperature. By changing the amount of heat applied according to the initial temperature state, the system optimizes energy usage while ensuring adequate bonding conditions are met.
2Ease of operation
If a fixed amount of heat is applied to all sheets, then the bonding process is simple, but energy efficiency decreases
Solution Approach 1:
The bonding process transitions from a static fixed-heat approach to a dynamic variable-heat approach. The control unit continuously evaluates sheet temperature and adjusts the heating amount accordingly, making the system adaptable to different conditions while maintaining simplicity in operation through automated control.
Solution Approach 2:
The control unit evaluates the temperature of sheets before bonding and uses this feedback information to determine the appropriate heating amount. This closed-loop feedback mechanism ensures energy-efficient operation by applying heat only when and where necessary, while maintaining simple operation through automated decision-making.
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
Reduces power consumption in the bonding process by optimizing heat application based on sheet temperature, thereby enhancing energy efficiency.
Implementation Method 1
by heating a plurality of sheets conveyed to and stacked in the bonding unit, bond the plurality of sheets
Implementation Method 2
a control unit configured to evaluate a temperature of the plurality of sheets conveyed to the bonding unit and, based on the evaluated temperature, control an amount of heat to be applied to the plurality of sheets
Data Source
AI summary
An image forming apparatus includes an image forming unit configured to form an image including an adhesive image by powder adhesive on a sheet that is conveyed; a bonding unit, to which sheets on which the image has been formed by the image forming unit are conveyed in order, configured to, by heating a plurality of sheets conveyed to and stacked in the bonding unit, bond the plurality of sheets, using adhesive images formed on the plurality of sheets; and a control unit configured to evaluate a temperature of the plurality of sheets conveyed to the bonding unit and, based on the evaluated temperature, control an amount of heat to be applied to the plurality of sheets by the bonding unit heating the plurality of sheets.