Electrode Punch Height Feedback for Precise Battery Machining
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Solution Overview
Problem
Existing battery manufacturing processes face challenges in accurately machining electrodes, leading to defects and reduced durability of the manufacturing dies.
Innovation Solution
A device and method that utilize a lower die and an upper die with a punch, sensor, controller, and corrector to monitor and adjust the insertion amount of the punch during electrode machining, ensuring precise alignment and reducing defects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the punch performs machining of the electrode without monitoring, then the manufacturing process is simple, but the electrode machining precision deteriorates leading to defects
Solution Approach 1:
The patent implements a feedback control system where a sensor detects the insertion amount of the punch in real-time, the controller receives this detection signal and compares it with a predetermined value, and the corrector adjusts the punch height based on the comparison result. This closed-loop feedback mechanism ensures precise electrode machining by continuously monitoring and correcting the punch insertion amount.
Solution Approach 2:
The patent replaces traditional mechanical measurement and adjustment methods with a sensor-based detection system and automated correction mechanism. Instead of relying on fixed mechanical stops or manual measurement, the system uses sensors to detect punch position and automated correctors to adjust it, achieving higher precision with reduced mechanical complexity.
2Reliability
If the punch insertion amount is not monitored and corrected, then the manufacturing process is efficient, but electrode defects occur reducing product quality
Solution Approach 1:
The feedback control system continuously monitors the punch insertion amount through sensors and automatically corrects deviations from the predetermined value. This ensures consistent electrode quality by preventing defects caused by incorrect insertion amounts, while the automated nature of the system minimizes the impact on manufacturing efficiency.
Solution Approach 2:
The system performs self-correction of the punch insertion amount through the corrector mechanism, which automatically adjusts the punch height based on sensor feedback without requiring external intervention. This self-service capability maintains electrode quality while keeping the operational process simple.
3Duration of action of stationary object
If the punch height is not corrected, then the manufacturing process is fast, but the durability of the manufacturing dies deteriorates
Solution Approach 1:
The feedback control system prevents excessive or insufficient punch insertion by continuously monitoring the insertion amount and automatically correcting deviations. This protects the manufacturing dies from damage caused by incorrect punch heights, extending their service life while maintaining a relatively simple correction mechanism.
Data Source
AI summary
A device for manufacturing a battery, the device including a lower die configured to support an electrode, an upper die above the lower die and connected to the lower die while vertically spaced therefrom, a lift configured to move the upper die upward or downward, a punch on the upper die and inserted into the lower die to perform machining of the electrode, a sensor configured to detect a state of the punch, a controller configured to receive a detection signal of the sensor and monitor an insertion amount of the punch and a corrector configured to correct a height of the punch according to a control signal of the controller.