Laminated Electrode Body Manufacturing Apparatus with Dual-Stage Supply
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Solution Overview
Problem
Existing laminated electrode body manufacturing apparatuses require electrode supply capacities twice that of configurations forming on one tray, limiting manufacturing efficiency when supply capacities are not doubled.
Innovation Solution
An apparatus with a rotatable cross arm and multiple transport heads, positive and negative electrode supply stages with strategically positioned mounting tables, and image pickup units to correct electrode positions and inclinations, allowing for efficient supply and lamination of electrodes on two stages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a cross arm with four suction heads is used to form laminated electrode bodies on two trays, then the manufacturing capacity is doubled, but the electrode supply capacity must be twice as high
Solution Approach 1:
The patent divides the electrode supply system into multiple independent supply devices (positive electrode supply device and negative electrode supply device), each capable of supplying electrodes to multiple mounting tables. This segmentation allows the supply capacity to be distributed and matched with the dual-tray lamination requirement without requiring a single supply device to have doubled capacity.
Solution Approach 2:
The patent introduces a spatial dimension by arranging multiple mounting tables (first and second positive electrode mounting tables, first and second negative electrode mounting tables) at different positions around the cross arm rotation center. This multi-position arrangement allows electrodes to be supplied from different locations, effectively increasing supply capacity without requiring each supply device to work at doubled speed.
2Productivity
If electrode positions and inclinations are not corrected, then the lamination process is simpler, but defective products increase
Solution Approach 1:
The patent implements preliminary position and inclination correction of electrodes before they are mounted on the trays. The image pickup units detect electrode positions and inclinations in advance, and the system adjusts them beforehand, ensuring that electrodes are properly aligned before lamination. This preliminary action prevents defective products while maintaining efficient production.
Solution Approach 2:
The patent uses image pickup units to continuously monitor and detect electrode positions and inclinations, providing real-time feedback to the control system. Based on this feedback, the system automatically adjusts electrode positions and inclinations, creating a closed-loop control system that ensures high product quality while maintaining production efficiency.
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
Enhances manufacturing efficiency by enabling the formation of laminated electrode bodies on two stages with matched electrode supply capacity, improving production rates and reducing defective product handling.
Implementation Method 1
a suction head A of a cross arm 110 sucks a positive electrode supplied by a positive electrode supply device 140
Data Source
AI summary
An apparatus for manufacturing a laminated electrode body that includes a laminating unit having a rotatable cross arm, a first transport head and a third transport head at a first distance from a rotation center of the cross arm and a second transport head and a fourth transport head at a second distance shorter than the first distance from the rotation center; a positive electrode supply stage that includes a first positive electrode mounting table at the first distance and a second positive electrode mounting table at the second distance from the rotation center; a negative electrode supply stage that includes a first negative electrode mounting table at the first distance and a second negative electrode mounting table at the second distance from the rotation center; a first laminating stage at the first distance from the rotation center; and a second laminating stage at the second distance.