Double-Layer Die Coating Feedback Control for Slurry Precision
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Solution Overview
Problem
The manual adjustment of double-layer coating dies in lithium ion battery production results in poor debugging effectiveness and low efficiency.
Innovation Solution
The implementation of a coating equipment with adjustable mechanisms and a slurry parameter detector to automatically adjust the flow rate of slurry in multiple slots, allowing for precise control of the coating process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustment of double-layer coating die is used, then device complexity is reduced, but manufacturing precision and productivity deteriorate
Solution Approach 1:
The coating die system performs self-adjustment through integrated adjusting mechanisms that automatically regulate slurry flow rates and coating thickness without requiring external manual intervention, thereby improving manufacturing precision while managing device complexity through functional integration
Solution Approach 2:
The adjusting mechanisms enable dynamic changes in coating parameters such as slurry flow rate, coating thickness, and slot opening dimensions, allowing precise control of coating quality while maintaining a relatively simple overall device structure through parameterized adjustment
2Productivity
If manual adjustment of double-layer coating die is used, then device complexity is reduced, but productivity deteriorates
Solution Approach 1:
The coating die system performs self-adjustment through integrated adjusting mechanisms that automatically regulate slurry flow rates and coating thickness without requiring external manual intervention, thereby improving manufacturing precision while managing device complexity through functional integration
Solution Approach 2:
The adjusting mechanisms enable dynamic adjustment of coating parameters during the coating process, allowing the system to adapt to varying production requirements and improve overall coating efficiency while maintaining a manageable device structure
3Manufacturing precision
If manual adjustment of double-layer coating die is used, then ease of operation is improved, but manufacturing precision deteriorates
Solution Approach 1:
The coating die system performs self-adjustment through integrated adjusting mechanisms that automatically regulate slurry flow rates and coating thickness without requiring external manual intervention, thereby improving manufacturing precision while managing device complexity through functional integration
Solution Approach 2:
The adjusting mechanisms incorporate feedback control to monitor and automatically correct coating parameters, ensuring consistent coating quality while reducing the skill requirements and operational difficulty for personnel
Data Source
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AI summary
Disclosed are coating equipment and a coating method. The coating equipment comprises a coating die and a slurry parameter detector. The coating die comprises a first slot, a second slot, a first adjusting mechanism and a second adjusting mechanism. Through the arrangement of the first adjusting mechanism and the second adjusting mechanism, adjustment of the flow rate of slurry circulating in the first slot and the second slot can be realized, and parameters of coated slurry are detected by a slurry parameter detector, and are then compared with preset values, and comparison results are fed back to the first adjusting mechanism and the second adjusting mechanism for adjustment of the first adjusting piece and the second adjusting piece, so that automatic adjustment of double-layer die coating is realized, the debugging effectiveness is greatly improved, and the coating efficiency is further improved.