Separator Edge Hot-Pressing for Jellyroll Plate Position Fixation
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Solution Overview
Problem
During the lamination process of jellyrolls, unit plates tend to shift relative to separators due to poor thermal compounding, making it difficult to detect and adjust, which affects lamination precision and yield rate.
Innovation Solution
A method and device that obtain peripheral position information of unit plates between separators using detection devices like CCD cameras, and control a hot-pressing device to adhere separators at specific positions, preventing plate shifting by forming a closed space around the plates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional lamination process is used without position detection, then the process is simple and fast, but unit plates shift relative to separators causing poor lamination precision
Solution Approach 1:
The detection device captures the position information of unit plates before the hot-pressing operation begins. The controller receives this information and determines hot-pressing positions in advance, allowing the hot-pressing device to be positioned correctly before applying heat and pressure. This preliminary detection and positioning action prevents plate shifting during lamination without requiring complex real-time adjustment mechanisms.
Solution Approach 2:
The detection device continuously monitors the position of unit plates and provides feedback to the controller. Based on this feedback, the controller adjusts the hot-pressing device's position and operation parameters to compensate for any plate displacement. This closed-loop feedback system ensures high lamination precision while keeping the overall device structure relatively simple.
2Manufacturing precision
If detection devices are added to monitor unit plate positions, then lamination precision can be improved, but the device complexity and cost increase
Solution Approach 1:
The detection device serves multiple functions: it captures position information of unit plates, provides feedback to the controller, and enables both preventive positioning and corrective adjustment. The controller integrates multiple functions including receiving detection signals, determining hot-pressing positions, and controlling the hot-pressing device. This multi-functionality reduces the need for separate specialized components, thereby limiting the increase in device complexity.
Solution Approach 2:
The system uses the existing lamination process infrastructure (hot-pressing device, separator structure) and integrates the detection and control functions within this framework. The detection device leverages the natural movement and positioning of unit plates during the lamination process, rather than requiring additional active stabilization mechanisms. This self-service approach minimizes added complexity while achieving improved precision.
3Stability of the object's composition
If hot-pressing is applied uniformly across all separators, then the process is simple, but unit plates between separators can shift due to poor thermal compounding
Solution Approach 1:
Instead of applying hot-pressing uniformly across all separators, the system determines specific hot-pressing positions based on the actual position information of unit plates. The controller instructs the hot-pressing device to apply heat and pressure only at locations where unit plates are positioned, ensuring stable thermal compounding at critical areas. This localized approach prevents plate shifting while avoiding the complexity of completely uniform multi-point pressing systems.
Solution Approach 2:
The hot-pressing process transitions from a static uniform application to a dynamic adaptive process. The hot-pressing device's position and operation parameters are adjusted in real-time based on feedback from the detection device. This dynamic adjustment allows the system to respond to actual plate positions and maintain position stability without requiring a complex pre-programmed multi-point pressing mechanism.
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
Ensures lamination precision and increases the yield rate of jellyrolls by preventing unit plate shifting during the lamination process.
Implementation Method 1
controlling a hot-pressing device according to the peripheral position information to perform hot pressing on the two layers of separators, so that the two layers of separators are adhered at peripheral positions of the unit plates
Data Source
AI summary
A unit plate position fixation method and device and a lamination machine are provided. The unit plate position fixation method includes: obtaining peripheral position information of unit plates located between two layers of separators; controlling a hot-pressing device according to the peripheral position information to perform hot pressing on the two layers of separators, so that the two layers of separators are adhered at peripheral positions of the unit plates.