Laser Electrode Film Cutting With In-Line Notching and Singularizing
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Solution Overview
Problem
Existing cutting apparatuses for producing electrode films in electrical energy storage devices are inefficient, require multiple machines, and suffer from wear, leading to decreased cutting quality and high maintenance costs.
Innovation Solution
A cutting apparatus utilizing two laser head devices that perform notching and singularizing in a single pass, with controlled laser beams moving along perpendicular axes to continuously cut and separate electrode films, integrated into an in-line machine for continuous production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple distinct cutting apparatuses are used for notching and singularizing electrode films, then cutting functionality is comprehensive, but device complexity increases and productivity decreases
Solution Approach 1:
The patent combines notching and singularizing functions into a single integrated cutting apparatus. The laser source performs both lateral shaping (notching) and transverse cutting (singularizing) operations in one continuous process, eliminating the need for multiple separate machines and thereby reducing device complexity while maintaining comprehensive cutting functionality.
Solution Approach 2:
The laser cutting apparatus is designed to perform multiple cutting functions (notching and singularizing) using a single device. The laser beam can be directed to perform different cutting operations on the electrode film continuum, making the apparatus universal and eliminating the need for specialized separate machines for each cutting task.
2Productivity
If mechanical blades are used for transverse cutting, then cutting is simple and fast, but blade wear occurs leading to decreased cutting quality and increased maintenance costs
Solution Approach 1:
The patent replaces mechanical cutting blades with a laser-based cutting system. The laser beam performs transverse cutting without physical contact, eliminating blade wear issues. This substitution maintains high cutting speed while ensuring consistent cutting quality over time, as the laser does not suffer from the wear and degradation that plagues mechanical blades.
Solution Approach 2:
The laser cutting system allows for dynamic adjustment of cutting parameters such as power, speed, and focal position. This enables optimization of cutting quality for different materials and conditions without changing physical blades, maintaining reliability and cutting quality consistency while preserving high productivity.
3Productivity
If mechanical blades are used for continuous cutting, then cutting is efficient, but periodic maintenance and replacement are required causing machine downtime
Solution Approach 1:
By replacing mechanical blades with a laser cutting system, the patent eliminates the need for periodic blade sharpening and replacement. The laser system maintains cutting efficiency over extended periods without requiring shutdowns for maintenance, thereby reducing machine downtime and increasing overall productivity.
Solution Approach 2:
The laser cutting system enables continuous operation without the interruptions required by mechanical blade maintenance. The laser beam can operate continuously, performing both notching and singularizing operations without needing to be stopped for blade replacement, thus maintaining continuous productive action.
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 apparatus achieves precise, efficient, and low-wear cutting with reduced machine downtime, enhancing productivity and reducing maintenance costs by integrating notching and singularizing into a single continuous process.
Implementation Method 1
two laser head devices configured to generate and focus each at least one respective laser beam along a desired optical axis so as to continuously perform notching and singularizing of said incoming film in a single passage via laser cutting
Data Source
AI summary
A cutting apparatus for producing an electrode film from an incoming film. The apparatus includes a continuous movement device of the incoming film and a cutting unit.