Vision-Guided Lead Tab Alignment for Stable Battery Cell Sealing
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Solution Overview
Problem
Conventional lead tab alignment devices in battery cell manufacturing systems fail to fix the lead tab position, leading to misalignment during the manufacturing process, which increases production time and inefficiency.
Innovation Solution
A lead tab alignment device with a photographing unit, alignment correction units, and a control unit that adjusts the lead tab position using vision technology to ensure precise alignment and fixation, minimizing misalignment and improving manufacturing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional lead tab alignment device is used to align lead tab portions, then the lead tab portions can be positioned in a preset fixed position, but the lead tab portions become misaligned when moving to the sealing device, requiring re-alignment and increasing manufacturing time
Solution Approach 1:
The alignment device performs preliminary alignment of the lead tab portion to a preset fixed position before the sealing process. The alignment correction unit adjusts the lead tab position in advance, and the fixation unit secures it in place, preventing misalignment during subsequent sealing operations and eliminating the need for re-alignment.
Solution Approach 2:
The device incorporates a photographing unit that captures images of the lead tab portion, and a control unit that processes these images to calculate the actual position of the lead tab. Based on this feedback information, the control unit automatically adjusts the alignment correction unit to achieve precise alignment with the preset fixed position, ensuring accuracy while maintaining efficiency.
2Device complexity
If the lead tab alignment device simply aligns the lead tab portions without fixation, then the device structure remains simple, but misalignment occurs during subsequent processes requiring re-alignment
Solution Approach 1:
The fixation unit acts as an intermediary between the alignment correction unit and the lead tab portion. It secures the lead tab in the corrected position, maintaining stability during subsequent sealing operations. This intermediary component ensures position reliability without significantly complicating the overall device structure.
3Manufacturing precision
If re-alignment is performed in the sealing device, then the lead tab can be re-positioned, but the manufacturing time increases due to the additional alignment step
Solution Approach 1:
The alignment device performs the alignment action preliminarily before the sealing process begins. By correcting the lead tab position in advance and securing it with the fixation unit, the device eliminates the need for time-consuming re-alignment operations during the sealing process, thereby reducing overall manufacturing cycle time while maintaining alignment accuracy.
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
The device enhances the efficiency of battery cell manufacturing by preventing lead tab misalignment, reducing production time, and ensuring accurate alignment through the use of vision-guided alignment correction units.
Implementation Method 1
a photographing unit for photographing a battery cell including a lead tab portion under assembly
Data Source
AI summary
The present disclosure relates to lead tab alignment device comprising a photographing unit for photographing a battery cell including a lead tab portion under assembly, wherein the battery cell under assembly includes a case in which an electrode assembly and the lead tab portion electrically connected to the electrode assembly are arranged, and an alignment correction unit detachably coupled to the lead tab portion and for adjusting the position of the lead tab portion, and battery manufacturing system comprising same, and method for manufacturing battery cell by battery manufacturing system.