Subminiature Cell Stacking with Laser Alignment and Vacuum Hold
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional subminiature cell assembly apparatuses face inefficiencies in manufacturing due to defects such as electrode misalignment and separator dislocation, leading to increased defect rates and reduced manufacturing efficiency.
Innovation Solution
A subminiature cell assembly apparatus featuring a jig unit with a laser radiation unit for precise alignment, a vacuum suction portion to secure the separator, and a display unit for height measurement, allowing for accurate stacking and prevention of defects like crumpling and dislocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If measurement member checks positions of electrode and separator through vision cameras and readjusts them, then alignment accuracy is improved, but manufacturing time increases and efficiency decreases
Solution Approach 1:
The laser radiation unit radiates laser light to form a reference line before the electrode and separator are stacked, enabling preliminary positioning guidance. This preliminary action ensures accurate alignment is achieved during the stacking process itself, eliminating the need for subsequent measurement and readjustment operations, thereby resolving the contradiction between alignment accuracy and manufacturing efficiency
Solution Approach 2:
The invention replaces the mechanical measurement and readjustment system (vision cameras and manual/automated positioning mechanisms) with an optical guidance system (laser radiation unit). The laser provides a visual reference that guides the stacking operation directly, substituting complex mechanical measurement和调整 systems with a simpler optical guidance approach that maintains precision while improving speed
2Device complexity
If conventional apparatus is used for subminiature cell manufacturing, then device complexity is maintained, but defect rate sharply rises due to small alignment errors
Solution Approach 1:
The laser radiation unit acts as an intermediary between the stacking apparatus and the electrode/separator materials. It provides a visual reference line that mediates the alignment process, enabling accurate positioning without requiring complex mechanical adjustment mechanisms. This intermediary optical guidance system resolves the contradiction by maintaining simple apparatus structure while dramatically improving alignment accuracy for subminiature cells
Solution Approach 2:
The invention changes the parameter of alignment guidance from mechanical position adjustment to optical reference line visualization. By radiating laser light to create a visible reference line, the system transforms the alignment parameter into an optical field that can be easily observed and followed during stacking, achieving high precision without increasing device complexity
3Manufacturing precision
If laser radiation unit is added for precise alignment, then alignment accuracy is improved, but device complexity increases
Solution Approach 1:
The laser radiation unit replaces complex mechanical alignment mechanisms with a simple optical field generation device. Instead of using multiple motors, sensors, and adjustment mechanisms, the invention uses a laser to create a visual reference line that guides the stacking operation, achieving high precision alignment while minimizing the increase in device complexity
Solution Approach 2:
The laser radiation unit provides self-service alignment guidance without requiring external measurement systems or complex control mechanisms. The laser beam itself serves as the alignment reference, and operators can directly use the visible laser line to position components accurately, eliminating the need for separate measurement and feedback systems
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 improves manufacturing efficiency by ensuring precise alignment and secure stacking of electrodes and separators, reducing defects and the need for additional corrective processes.
Implementation Method 1
a vacuum suction portion (320) located at each of opposite sides of the jig groove (310)
Implementation Method 2
a laser radiation unit (200) located above the jig unit (100)
Data Source
AI summary
The present disclosure relates to a subminiature cell assembly apparatus and an electrode stack manufacturing method using the same, and more particularly a subminiature cell assembly apparatus including a jig unit configured to allow an electrode and a separator to be stacked on an upper surface thereof, the upper surface being flat, a laser radiation unit located above the jig unit, a support unit provided with a jig groove into which the jig unit is inserted, the support unit including a vacuum suction portion located at opposite sides of the jig groove, and a display unit configured to measure and display a relative height of the jig unit or the support unit, wherein the jig unit or the support unit is movable relative to the support unit or the jig unit in a vertical direction, and an electrode stack manufacturing method using the same.