Integrated Cleaning Device for Roll Printing Cliché Maintenance
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Solution Overview
Problem
In the context of roll printing processes, particularly in printed electronics technology, there is a challenge in effectively cleaning clichés to prevent residual ink and foreign substances from affecting pattern quality, as existing methods do not adequately integrate cleaning solutions to ensure thorough removal and reuse of clichés.
Innovation Solution
A roll printing apparatus is designed with an integrated cleaning device that includes a cleaning nozzle unit and a spray nozzle unit, which spray cleaning solutions and rinsing fluids respectively, along with a waste management system to contain and discharge waste, ensuring thorough cleaning and reuse of clichés.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate cleaning devices are used for cleaning and rinsing clichés, then cleaning effectiveness is improved, but device complexity increases
Solution Approach 1:
The patent combines the cleaning nozzle unit and spray nozzle unit into a single integrated cleaning device. The cleaning device includes both cleaning nozzles for applying cleaning solution and spray nozzles for rinsing, along with a common waste suction system. This merging reduces device complexity while maintaining cleaning effectiveness through coordinated operation of the integrated components.
Solution Approach 2:
The integrated cleaning device performs multiple functions including cleaning, rinsing, and waste removal through a single unified system. The cleaning device can switch between cleaning mode (using cleaning nozzles) and rinsing mode (using spray nozzles), providing multi-functionality that reduces the need for separate dedicated devices for each function.
2Manufacturing precision
If thorough cleaning of clichés is performed to remove all residual ink and foreign substances, then pattern quality is improved, but loss of substance increases
Solution Approach 1:
The waste suction system provides feedback control by continuously monitoring and removing waste during the cleaning process. The suction bars and suction nozzles detect and remove residual ink and cleaning solution, allowing the system to adjust cleaning intensity and duration to achieve thorough cleaning while minimizing excessive use of cleaning substances.
Solution Approach 2:
The system recovers and collects waste material through the integrated suction system rather than allowing it to be lost. The waste collection mechanism captures residual ink and cleaning solution for proper disposal or potential recovery, reducing substance loss while maintaining cleaning effectiveness.
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 integrated cleaning device effectively removes waste and foreign substances from clichés, enhancing the reuse of clichés and improving the efficiency and productivity of the roll printing process by ensuring thorough cleaning and minimizing waste discharge.
Implementation Method 1
a cleaning nozzle unit to spray a cleaning solution
Implementation Method 2
a spray nozzle unit to spray a rinsing fluid
Implementation Method 3
an air blower to dry the cliche
Implementation Method 4
a waste suction bar to limit waste generated by cleaning the cliche from flowing off of the chuck plate
Data Source
AI summary
According to example embodiments, a roll printing apparatus includes a cleaning device in which a cleaning nozzle unit and a spray nozzle unit are integrated so that both a reverse offset process and a cliche cleaning process may be achieved in the roll printing apparatus. The roll printing apparatus may include a base plate, a blanket roll to transfer an ink material to a cliche and a substrate, a blanket roll supporter located on the base plate to support the blanket roll, a cliche table located on the base plate to fix and move the cliche, a substrate table located on the base plate to fix the substrate, and the cleaning device installed on the base plate to clean the cliche. The cleaning device may include a cleaning nozzle unit to spray a cleaning solution and a spray nozzle unit to spray DIW, which are integrated.