Fuel Cell Separator Plate In-Line Forming and Welding
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Solution Overview
Problem
Existing manufacturing processes for fuel cell separator plates are intermittent and individual, leading to inefficiencies and increased manpower requirements.
Innovation Solution
The development of equipment and a method for continuously manufacturing fuel cell separator plates in an in-line manner, using a press to form patterns on metal strips and a welding machine to integrate them, with guide rolls ensuring proper alignment and a cutter for final separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If individual and intermittent processes are used for manufacturing separator plates, then each process can be performed separately with individual equipment, but the overall manufacturing efficiency decreases and manpower requirements increase
Solution Approach 1:
The patent combines multiple individual processes (stamping, molding inspection, conveying, welding joining, gasket joining) into a single integrated in-line manufacturing system. The separator plate manufacturing equipment performs all these operations sequentially in one continuous flow, eliminating the need for separate intermittent processes and manual conveying between stations, thereby significantly improving manufacturing efficiency while maintaining process separability through modular design
Solution Approach 2:
The patent implements continuous in-line manufacturing where metal strips pass through all processing stages without interruption. The stamped and molded separator plates are continuously conveyed through the welding joining and gasket joining processes in a single uninterrupted flow, eliminating idle time and waiting periods associated with intermittent batch processing, thus maximizing productivity
2Ease of operation
If individual processes are performed separately with manual conveying, then each operation can be controlled independently, but time consumption increases and automation level decreases
Solution Approach 1:
The patent establishes a continuous in-line manufacturing system where separator plates move automatically through all processing stages without manual intervention. The integrated equipment maintains continuous operation from metal strip input through final product output, eliminating the time losses associated with manual loading, conveying, and positioning between separate processes while preserving independent process control through modular system architecture
Solution Approach 2:
The patent replaces manual mechanical conveying operations with an automated in-line transport system. The equipment uses integrated mechanical conveyance mechanisms to automatically move stamped and molded separator plates through the welding joining and gasket joining processes, eliminating manual handling time and reducing labor requirements while maintaining precise control over each processing stage
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
This approach enables continuous, efficient production of fuel cell separator plates, reducing manpower needs and simplifying the manufacturing process by eliminating intermittent steps.
Implementation Method 1
a welding machine which is disposed adjacent to the press, overlaps the first metal strip and the second metal strip conveyed from the press, and integrally joins the metal strips by welding the same in a state in which the patterns are aligned face-to-face with each other
Data Source
AI summary
Equipment for manufacturing a separator plate for a fuel cell comprises: a press which receives a conveyed first metal strip and second metal strip, vertically arranges the metal strips side by side, and forms patterns on each of the first metal strip and the second metal strip; a welding machine which overlaps the first metal strip and the second metal strip conveyed from the press, and integrally joins the metal strips by welding same in a state in which the patterns are aligned face-to-face with each other; and guide rolls which are arranged in front of and behind the press and guide the first metal strip so that the first metal strip is supplied to the welding machine at an overlapping position with the second metal strip after passing through the press at a position spaced vertically apart from the second metal strip.