Electrode Sheet Film Lamination Layout for Compact Battery Lines
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Solution Overview
Problem
Film laminating apparatuses for electrode sheets in battery production have large volumes and occupy significant space due to the sequential arrangement of film laminating mechanisms in the conveying direction, leading to inefficiencies and increased space requirements.
Innovation Solution
The film laminating apparatus is designed with a mounting plate angled relative to the conveying direction, allowing film laminating mechanisms to be tilted or vertically arranged, reducing the space occupied in the conveying direction, and incorporating mechanisms for efficient film transfer and tensioning to improve lamination quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If film laminating mechanisms are arranged sequentially in the conveying direction, then the lamination process can be completed, but the apparatus occupies large space and has large volume
Solution Approach 1:
The patent transforms the sequential arrangement of film laminating mechanisms along the conveying direction into a parallel arrangement perpendicular to the conveying direction. Multiple laminating mechanisms are positioned side-by-side across the width of the electrode sheet, allowing simultaneous lamination of multiple sections. This dimensional change from longitudinal sequencing to lateral parallelism dramatically reduces the apparatus length in the conveying direction while maintaining lamination capability.
2Productivity
If film laminating mechanisms are arranged sequentially in the conveying direction, then the lamination process can be completed, but the apparatus occupies significant space
Solution Approach 1:
The patent reconfigures the spatial arrangement by placing multiple film laminating mechanisms in parallel across the width dimension rather than sequencing them along the length dimension. This allows the apparatus to utilize the width direction more effectively, reducing the footprint area occupied by the apparatus while maintaining the same lamination throughput.
3Volume of stationary object
If mounting plate is arranged perpendicular to conveying direction, then space occupation is reduced, but film transfer and tensioning mechanisms are required to improve lamination quality
Solution Approach 1:
The mounting plate structure is designed to serve multiple functions simultaneously: it provides structural support for the parallel arrangement of laminating mechanisms, incorporates film transfer mechanisms to move films between mechanisms, and includes tensioning devices to maintain proper film tension. This multi-functional integration reduces the need for separate dedicated components, thereby limiting the increase in device complexity despite the perpendicular arrangement.
Data Source
AI summary
A film laminating apparatus and an electrode sheet processing device are disclosed. The film laminating apparatus includes a frame, a conveying mechanism, a mounting plate, and a plurality of film laminating mechanisms, the plurality of film laminating mechanisms being mounted on the mounting plate; the conveying mechanism being mounted on the frame and being capable of conveying an electrode sheet in a first direction into the film laminating apparatus; and the mounting plate being mounted on the frame and forming an included angle with the first direction. The plurality of film laminating mechanisms are tilted or vertically arranged relative to the conveying direction of an electrode sheet. The space occupied by the plurality of film laminating mechanisms, the size of the film laminating apparatus, the volume of the film laminating apparatus, and the space occupied by the film laminating apparatus in the conveying direction of the electrode sheet is reduced.