Pressing Roll Cleaning Modes for Continuous Electrode Quality
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional pressing roll cleaning methods are inefficient and reduce production efficiency due to the need for manual intervention and limitations in removing contaminants, especially for negative electrode pressing rolls, leading to defects in electrode surfaces and detachment issues.
Innovation Solution
A method and apparatus for automatically cleaning pressing rolls in both operative and non-operative states, utilizing different cleaning modes with varying cleaning liquids, frequencies, and speeds to enhance efficiency and effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual cleaning of pressing roll is performed, then cleaning can be done, but production efficiency is reduced due to manual intervention
Solution Approach 1:
The pressing roll cleaning apparatus enables automatic cleaning without manual intervention. The cleaning unit with cleaning liquid supply and wiper mechanism automatically removes contaminants from the pressing roll surface, allowing the system to service itself and eliminating the need for operator involvement, thus maintaining production efficiency while ensuring effective cleaning
Solution Approach 2:
The patent replaces manual mechanical cleaning operations with an automated mechanical cleaning system. The cleaning apparatus uses a controlled mechanical system comprising a cleaning liquid supply unit, wiper unit, and control mechanism to substitute human operators, achieving both effective cleaning and maintained productivity
2Device complexity
If conventional cleaning methods are used, then cleaning process is simple, but contaminants cannot be completely removed leading to electrode defects
Solution Approach 1:
The cleaning process is segmented into multiple stages: cleaning liquid supply to dissolve contaminants, wiper action to remove loosened contaminants, and drying to prevent moisture-related defects. This segmented approach ensures complete contaminant removal while maintaining electrode surface quality, overcoming the limitations of simple conventional cleaning methods
Solution Approach 2:
The patent employs parameter changes in the cleaning process, including adjusting cleaning liquid flow rate, wiper pressure, and drying conditions. By optimizing these parameters, the system achieves thorough contaminant removal without damaging the pressing roll or electrode surface, thereby improving manufacturing precision while managing device complexity
3Productivity
If cleaning liquid is sprayed during pressing roll operation, then cleaning can be performed, but residual moisture affects electrode quality
Solution Approach 1:
The cleaning apparatus operates continuously during pressing roll rotation, maintaining continuous production. The cleaning liquid is sprayed and immediately wiped off in a continuous process, ensuring no interruption to electrode manufacturing while preventing moisture residue through immediate removal and drying actions
Solution Approach 2:
The cleaning process uses periodic action with the pressing roll rotation, where cleaning liquid is sprayed at specific intervals and wiped off in synchronization with the roll's rotational position. This periodic cleaning approach ensures thorough contaminant removal while allowing the pressing process to continue uninterrupted, maintaining both productivity and electrode quality
Data Source
AI summary
A method for automatically cleaning a pressing roll used in the electrode roll-pressing process according to one embodiment of the present disclosure comprises the steps of: determining whether or not the pressing roll is in a non-operative state, and cleaning the pressing roll in a first cleaning mode when the pressing roll is in a non-operative state, wherein the first cleaning mode performs cleaning of the pressing roll in a state in which an electrode pressing process on the pressing roll has stopped.