Sheet Metal Drawing-Out Tool With Dust-Shielded Lighting
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Solution Overview
Problem
Existing drawing-out tools for sheet metal lack effective protection against dust and poor lighting conditions, leading to potential electrical failures and difficulty in visualizing surface irregularities during the sheet metal process.
Innovation Solution
A drawing-out tool with a housing that integrates an illumination unit and an energization mechanism, using LED light sources and a light diffusion plate to provide focused, shadow-free illumination and protect the electrical system from dust, ensuring reliable operation and clear visibility of the sheet metal surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the energization mechanism is exposed to the working environment, then the operation is simple and accessible, but dust and metal dust can mingle in and attach to the electric system causing contact failures
Solution Approach 1:
The housing is divided into multiple compartments including a dust collection chamber and an electric system chamber. The energization mechanism is isolated in the electric system chamber while the dust collection chamber captures dust and metal dust, preventing them from reaching the electrical components. This segmentation resolves the contradiction by physically separating the accessible operation area from the protected electrical system.
Solution Approach 2:
A dust collection mechanism acts as an intermediary between the working environment and the energization mechanism. This intermediary captures dust and metal dust particles before they can attach to the electrical system, allowing the energization mechanism to remain accessible while protecting it from contamination that would cause contact failures.
2Illumination intensity
If external illumination is provided from an oblique direction, then the sheet metal surface is illuminated, but shadows are generated by the center shaft and bit making surface irregularities difficult to see
Solution Approach 1:
The illumination unit employs multiple light sources arranged to illuminate the sheet metal surface from multiple angles simultaneously. This multi-directional illumination eliminates shadows cast by the center shaft and bit, allowing surface irregularities to be clearly visible while maintaining sufficient brightness for the working environment.
3Reliability
If the housing encloses the energization mechanism, then dust protection is improved, but the structure becomes more complex
Solution Approach 1:
The housing serves multiple functions simultaneously: it protects the energization mechanism from dust, provides structural support for the illumination unit, contains the dust collection mechanism, and offers handles for operation. This multi-functionality reduces the need for separate protective structures, maintaining simplicity while achieving comprehensive dust protection.
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 tool reduces electrical failures, enhances durability, and allows for efficient sheet metal processing even in poorly lit environments by shielding the electrical system and providing sufficient, shadow-free illumination, enabling precise operation.
Implementation Method 1
an illumination unit for illuminating a sheet metal surface... a light source incorporated in the housing
Implementation Method 2
a light diffusion plate for diffusing light supplied from the light source
Data Source
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AI summary
To provide a drawing-out tool for sheet metal which is less in failure and excellent in the durability and has excellent handling property by evading generation of trouble in an electric system by shielding dust, metal dust, soil dust or the like from mingling in or attaching to the electric system. The drawing-out tool for sheet metal comprises a center shaft (22); a first operation means (20) provided with a bit (25) arranged to an apex part of the center shaft; a second operation means (30) for pulling-up the first operation means; and an energization mechanism (100) for supplying electric current to the bit are provided. The housing (10) for accommodating the illumination unit (70) and the illumination unit for illuminating a sheet metal surface accommodated in the housing are included.