Ultra-Thin Metal Sheet Line With Vacuum Fixing for Precise Cutting
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Solution Overview
Problem
Traditional methods for processing ultra-thin metal sheets face challenges such as vibration during machining, difficulty in producing irregularly shaped sheets with non-uniform thickness, and the inability to produce ultra-thin yet structurally robust tubes due to complex drawing processes that can lead to tube fracture.
Innovation Solution
A production line comprising a first rack, positioning mechanism, processing mechanism, reversing mechanisms, drawing mechanisms, leveling mechanism, detection mechanism, laser embossing mechanism, and a controller, which includes features like a mold with a through-slot and U-shaped groove to prevent sheet displacement and ensure precise cutting, along with tools and a negative pressure device to stabilize the metal sheet during processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional screw locking and pressure plate fixing methods are used to hold ultra-thin metal sheets during machining, then the setup is simple, but the metal sheet vibrates during processing leading to machining failure
Solution Approach 1:
The patent introduces a suction cup as an intermediary component between the pressure plate and the ultra-thin metal sheet. The suction cup creates a vacuum bond that adheres the metal sheet to the pressure plate, preventing vibration during machining. This intermediary solution resolves the contradiction by providing effective fixation without requiring complex screw locking mechanisms, thereby improving machining precision while maintaining relative simplicity in the fixing mechanism.
2Length of moving object
If multiple drawing processes are used to produce ultra-thin tubes, then the tube diameter can be reduced, but the process becomes exponentially more complex and tubes become prone to fracture
Solution Approach 1:
The patent replaces the traditional mechanical drawing process with a laser-based processing system. The laser can directly process ultra-thin metal sheets to create tubes without requiring multiple sequential drawing operations. This substitution eliminates the exponentially increasing complexity associated with multiple drawing stages while achieving the desired ultra-thin tube dimensions, and avoids the fracture issues that arise from repeated mechanical drawing.
3Ease of manufacture
If conventional cutting methods are used to cut ultra-thin metal sheets, then the equipment is simple, but chips are difficult to dispose and may damage machinery
Solution Approach 1:
The patent utilizes the vacuum suction system (pneumatics) to control and remove chips during the cutting process. The suction cups and vacuum channels create negative pressure that draws chips away from the cutting zone and prevents them from accumulating or damaging the machinery. This pneumatic approach maintains equipment simplicity while effectively managing the harmful chip byproduct.
4Manufacturing precision
If ultra-thin metal sheets with non-uniform thickness are processed using traditional methods, then the processing is straightforward, but it is difficult to produce irregularly shaped sheets with high precision
Solution Approach 1:
The patent employs a dynamic vacuum suction system that can adapt to irregularly shaped ultra-thin metal sheets. The suction cups and channels are designed to conform to various shapes and thickness variations, allowing the system to maintain precise control throughout the processing. This dynamic approach enables high-precision processing of complex geometries without requiring overly complicated manual intervention or rigid tooling.
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 solution significantly improves processing accuracy and yield rates by preventing sheet material displacement during machining, enabling precise cutting and easy removal of debris, while allowing for the production of high-precision metal sheets and tubes.
Implementation Method 1
a negative pressure device to stabilize the metal sheet during processing
Data Source
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AI summary
This application pertains to the field of processing and production technology, specifically addressing an ultra-thin metal sheet processing production line and method. The production line comprises a first rack, a first reversing mechanism, a positioning mechanism, a processing mechanism, a first drawing mechanism, a second reversing mechanism, a second drawing mechanism, and a second rack. Metal sheets pass through a through-slot equipped with a processing window where the tool section is installed. The processing window facilitates tool installation precision detection and distance control between the tool and the workpiece. Simultaneously, the window's constraints and die clamping effectively prevent metal sheet displacement caused by processing vibrations, thereby enhancing processing accuracy and yield. This achieves precise metal sheet cutting while vertically arranged sheets allow processed metal chips to fall downward for easy removal. The metal sheets in this application may also be sheet materials stored in rolled form.