Rotary Tool Dust Collection Hose Layout for Clearer Machining
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Solution Overview
Problem
Rotary power tools, especially flexible-shaft types, generate significant dust and debris during machining operations, which obstructs the work area and poses respiratory hazards, as existing solutions do not effectively manage dust collection.
Innovation Solution
A dust collection system integrated with a vacuum blower and connecting hose that generates negative pressure, extending along the flexible shaft and handpiece, with a nozzle portion adjacent to the bit holder, effectively capturing dust and debris through a network of clips and adapter clips, ensuring efficient dust removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a dust collection system is added to the rotary power tool, then dust and debris are effectively captured and removed, but the device complexity increases
Solution Approach 1:
The connecting hose is positioned to extend along the flexible shaft, with the nozzle portion extending along the handpiece. The system nests components along the existing tool structure, with the hose following the flexible shaft's path and the nozzle integrating with the handpiece assembly, thereby reducing overall system volume and complexity
Solution Approach 2:
The dust collection system is divided into separate functional modules: a vacuum blower unit, a connecting hose with void region, and a nozzle portion with separate void region. These segmented components can be independently configured and connected, simplifying the overall system architecture while maintaining effective dust collection functionality
2Object-affected harmful factors
If the connecting hose extends along the flexible shaft, then dust collection effectiveness is improved, but the volume occupied by the system increases
Solution Approach 1:
The connecting hose is configured to extend along the flexible shaft in a nested arrangement, where the hose follows the contour and path of the flexible shaft rather than occupying separate space. This nesting approach allows the dust collection system to utilize the existing spatial envelope of the flexible shaft tool, minimizing additional volume while maintaining effective dust capture along the entire shaft length
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 system significantly reduces dust and debris in the work area, maintaining clarity and improving user safety by continuously removing dust and debris during operation, thus enhancing the usability and cleanliness of rotary power tools.
Implementation Method 1
a vacuum blower configured to generate a negative pressure
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A dust collection system 108 for a rotary power tool, which has a flexible shaft 104 connected to a handpiece 106, includes a vacuum blower 180 configured to generate a negative pressure and a connecting hose 172 defining a first void region fluidly connected to the blower and which has the negative pressure. The connecting hose is configured to extend along a first length of the flexible shaft. The dust collection system further comprises a nozzle portion 174 defining a second void region fluidly connected to the first void region and which has the negative pressure, the nozzle portion being configured to extend along a second length of the handpiece.