Electrode Punch Insertion Feedback for Battery Die Durability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing battery manufacturing processes face challenges in continuously observing the insertion amount of a punch during electrode manufacturing, leading to electrode defects and reduced die durability.
Innovation Solution
A device and method that include a lower and upper die, a lift, a punch, sensors, a controller, and a corrector to monitor and adjust the insertion amount of the punch in real-time, ensuring precise machining of electrodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the punch insertion amount is not continuously observed, then the manufacturing process is simple, but electrode defects occur and die durability decreases
Solution Approach 1:
The patent implements a feedback mechanism where sensors continuously detect the punch insertion amount and provide real-time data to a control system. The control system compares the detected insertion amount with a predetermined standard and generates feedback signals to adjust the punch position, ensuring consistent machining quality and preventing die durability degradation from excessive insertion.
Solution Approach 2:
The patent replaces manual observation and mechanical measurement methods with automated sensors and control systems. The sensor-based detection system substitutes traditional mechanical gauges or manual measurement, enabling continuous real-time monitoring without adding significant mechanical complexity to the punching mechanism itself.
2Manufacturing precision
If the punch insertion amount is not monitored, then the device structure is simple, but electrode machining precision deteriorates
Solution Approach 1:
The control system receives continuous feedback from sensors regarding the punch insertion amount and automatically adjusts the punch position to maintain precise machining. This closed-loop control ensures that electrode machining precision is maintained by compensating for variations in real-time based on actual insertion depth measurements.
Solution Approach 2:
The system establishes a predetermined standard punch insertion amount before the machining process begins. This preliminary setting of the target insertion depth allows the control system to compare actual measurements against the predetermined standard and make necessary adjustments during the process to ensure precise electrode machining.
3Reliability
If real-time monitoring of punch insertion is implemented, then electrode defects are suppressed, but the manufacturing process becomes more complex
Solution Approach 1:
The patent employs a feedback control system where sensors continuously monitor the punch insertion amount and provide real-time data to the control system. This feedback mechanism enables automatic detection of deviations from the standard insertion depth and triggers corrective actions, ensuring consistent electrode quality while managing system complexity through automated control.
Solution Approach 2:
The control system automatically detects insertion amount deviations and performs self-correction by adjusting the punch position without requiring external intervention. This self-service capability maintains electrode quality consistency while reducing the operational complexity compared to manual monitoring and adjustment methods.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A device and method for manufacturing a battery, the device includes: a lower die configured to support an electrode; an upper die disposed 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 mounted 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.