Electrode Lamination Supply Drum With Suction Transfer Precision
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Solution Overview
Problem
Existing methods for manufacturing laminated electrode assemblies face inefficiencies in conveying and supplying electrode assemblies and separators to subsequent stages, particularly in achieving precise lamination and minimizing damage during the cutting and bonding processes.
Innovation Solution
A continuous drum-type manufacturing device with a holding head and belt conveyor system that rotates around a drum center axis, utilizing suction holes and grooves to securely hold and transfer electrode assemblies and separators, ensuring efficient transfer and minimizing damage through controlled cutting and bonding processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a continuous drum-type manufacturing device with holding head and belt conveyor system is used, then manufacturing efficiency and productivity are improved, but device complexity increases
Solution Approach 1:
The manufacturing device is divided into multiple functional modules including holding head, belt conveyor system, cutting device, and bonding device. Each module operates independently but coordinates with others, allowing for efficient continuous production while maintaining manageable complexity through modular design
Solution Approach 2:
The drum-type holding head serves multiple functions: it holds electrode assemblies, transfers them to the belt conveyor, and coordinates with cutting and bonding operations. This multi-functionality reduces the need for separate devices for each operation, improving productivity without proportionally increasing device complexity
2Manufacturing precision
If suction holes and grooves are used to securely hold and transfer electrode assemblies, then manufacturing precision and positioning accuracy are improved, but device complexity increases
Solution Approach 1:
The holding head incorporates suction holes that use vacuum pressure to securely hold electrode assemblies during transfer. This pneumatic mechanism provides precise positioning and secure holding without requiring complex mechanical clamping systems, achieving high manufacturing precision through relatively simple pneumatic components
Solution Approach 2:
The groove structure acts as an intermediary between the suction holes and the electrode assembly. The groove guides and positions the electrode assembly while the suction holes provide holding force, creating a coordinated system that achieves precise positioning through the interaction of these two simpler components rather than a single complex mechanism
3Manufacturing precision
If controlled cutting and bonding processes are implemented, then lamination precision is improved, but manufacturing time increases
Solution Approach 1:
The manufacturing device implements continuous cutting and bonding operations as the electrode assemblies move through the system on the belt conveyor. The cutting device and bonding device operate continuously rather than in discrete batches, maintaining high lamination precision through controlled processes while minimizing idle time and maximizing manufacturing throughput
Solution Approach 2:
The electrode assemblies are positioned and prepared in the holding head before entering the cutting and bonding zones. This preliminary positioning ensures that when the controlled cutting and bonding processes occur, the materials are already in the correct positions, reducing the time needed for adjustment and repositioning during the precision operations
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
Enables efficient and precise lamination of electrode assemblies by ensuring accurate positioning and transfer of electrode and separator layers, reducing damage and enhancing the manufacturing efficiency of laminated electrode assemblies.
Implementation Method 1
suction holes formed on an outer peripheral surface and configured to suck and hold the electrode assembly or the laminated body
Data Source
AI summary
A device for manufacturing a laminated electrode body comprises: a negative electrode cutting drum that forms a negative electrode sheet by cutting a negative electrode single sheet to a first width and conveys the negative electrode sheet; a negative electrode heating drum that heats the negative electrode sheet; a positive electrode cutting drum that forms a positive electrode sheet by cutting a positive electrode single sheet to a second width and conveys the positive electrode sheet; a positive electrode heating drum that heats the positive electrode sheet; and a bonding drum at which the negative electrode sheet is arranged on a first separator single sheet, a second separator single sheet is arranged on the negative electrode sheet, the positive electrode sheet is arranged on the second separator single sheet, and the sheets are bonded. The conveyance between drums is carried out by a belt conveyor which joins with two drums.