Laser Torch Head Enclosure Assembly for Compact Safe Cutting
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Solution Overview
Problem
Existing protective enclosures for laser cutting machines are bulky and costly, requiring pallet shuttles for workpiece loading and unloading, which increases operational time and financial expense, and enclose the entire machine, making it cumbersome and inaccessible.
Innovation Solution
A protective enclosure system that surrounds only the laser torch head, using a frame with top, middle, and bottom assemblies, including semi-translucent light shields and brush assemblies to prevent reflected laser light, allowing direct workpiece loading and unloading without a pallet shuttle, and maintaining accessibility of the machine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a protective enclosure covers the entire laser cutting machine, then safety protection is improved, but the machine volume increases and operational efficiency decreases
Solution Approach 1:
The protective enclosure is divided into multiple segments: a fixed base enclosure and a movable shield that can independently move to cover different areas. This segmentation allows the enclosure to provide comprehensive safety protection while maintaining a compact overall structure and enabling selective coverage based on operational needs.
Solution Approach 2:
The movable shield is designed to dynamically adjust its position and coverage area based on the laser head's position and operational status. The shield can move between different positions to provide protection when needed and open space for loading/unloading workpieces, thus reducing the effective enclosed volume while maintaining safety.
2Reliability
If a protective enclosure covers the entire laser cutting machine, then safety protection is improved, but operational time increases due to pallet shuttle requirements
Solution Approach 1:
By segmenting the enclosure into fixed and movable parts, the system enables direct loading and unloading of workpieces through the open area when the movable shield is retracted, eliminating the need for pallet shuttles and reducing operational cycle time while maintaining safety during laser operation.
Solution Approach 2:
The movable shield dynamically adjusts its position to allow direct access for workpiece loading and unloading when not in use, and provides protection when the laser is active. This dynamic behavior eliminates the time-consuming pallet shuttle operations while ensuring safety protection is maintained during critical operations.
3Reliability
If a protective enclosure covers the entire laser cutting machine, then safety protection is improved, but device complexity and cost increase
Solution Approach 1:
The enclosure system is segmented into a simple fixed base structure and a movable shield component, reducing overall system complexity compared to a fully enclosed structure. This segmentation allows for simpler manufacturing, easier maintenance, and lower cost while providing equivalent safety protection through selective coverage.
Solution Approach 2:
The movable shield provides dynamic protection coverage, moving into position only when needed for safety. This reduces the amount of permanent enclosure structure required, simplifying the overall device design and reducing costs while maintaining adequate safety protection during laser operations.
4Object-affected harmful factors
If a protective enclosure covers the entire laser cutting machine, then laser light reflection protection is improved, but accessibility and ease of operation worsen
Solution Approach 1:
The protective enclosure is segmented into fixed and movable components, with the movable shield providing laser light protection only when needed. This segmentation maintains operator accessibility to the work area when the shield is retracted, while ensuring protection is available when the laser is active, thus resolving the conflict between protection and accessibility.
Solution Approach 2:
The movable shield dynamically positions itself to block reflected laser light when the laser is operating, and moves away to provide open access for workpiece loading and unloading. This dynamic adjustment ensures both laser light protection and operator accessibility are optimized at different times in the operational cycle.
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
Reduces the overall volume of the laser cutting machine, decreases operational costs, and enhances safety by preventing reflected laser light while allowing direct and efficient workpiece handling, thereby improving the effectiveness of the protection system without the drawbacks of traditional enclosures.
Implementation Method 1
including semi-translucent light shields and brush assemblies to prevent reflected laser light
Implementation Method 2
including semi-translucent light shields and brush assemblies to prevent reflected laser light
Data Source
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AI summary
A laser cutting tool with protective enclosure assembly for manipulating a workpiece on a movable platen includes a frame, a top protection assembly, a middle protection shield, a bottom protection assembly and a laser torch head. The top protection assembly, middle protection assembly, and bottom protection assembly are removably mounted to the frame such that they form a cavity enclosing only substantially the laser torch head.