Pick Tool Suction Baffle Layout for Dust Wear Protection
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Solution Overview
Problem
Existing suction devices for pick power tools fail to effectively prevent dust particles from reaching the tool holder, leading to increased wear due to dust contamination and turbulence, which affects the tool holder and percussion mechanism.
Innovation Solution
The implementation of multiple baffle walls with through-openings and strategically placed suction openings, along with an elastic section and angled connection to the vacuum source, creates a controlled suction flow that captures dust particles before they reach the tool holder, reducing wear and turbulence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single baffle wall or intermediate wall is used in the suction device, then the structure is simple, but dust particles can penetrate through gaps and reach the tool holder causing wear
Solution Approach 1:
The suction device is divided into multiple sections by introducing a first baffle wall and at least one further baffle wall spaced from each other, creating multiple intermediate spaces. This segmentation prevents dust particles from reaching the tool holder by forcing them through multiple barriers, with each baffle wall having through-openings that allow controlled passage while maintaining protection.
Solution Approach 2:
The baffle walls act as intermediary elements between the suction opening and the tool holder. These intermediate structures create turbulent flow patterns and multiple pathways that trap dust particles in the intermediate spaces, preventing direct contact with the tool holder while still allowing air flow through the through-openings.
2Productivity
If the connection element extends at an angle to the longitudinal axis, then suction flow is improved for dust aspiration, but the structural alignment becomes more complex
Solution Approach 1:
The connection element is designed to extend at an angle to the longitudinal axis of the suction device, creating an asymmetric configuration. This angular arrangement optimizes the suction flow pattern by directing air currents more effectively toward the working tool, improving dust aspiration efficiency while accepting the increased structural complexity.
3Device complexity
If dust particles are allowed to reach the tool holder, then the suction device structure can be simpler, but wear of the tool holder and working tool shank increases
Solution Approach 1:
The baffle walls are positioned to intercept and trap dust particles before they can reach the tool holder. The first baffle wall and further baffle wall create intermediate spaces that capture dust particles in advance, preventing them from causing wear to the tool holder and working tool shank through preliminary filtration action.
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 design significantly reduces dust loading on the power tool, minimizing wear on components and enhancing the suction efficiency by diverting and trapping dust particles, thereby extending the tool's lifespan.
Implementation Method 1
a suction device for a pick power tool... connection element for a vacuum source... during a drilling operation, the produced dust and pieces of the removable material are aspirated by the vacuum source
Implementation Method 2
The first baffle wall and the at least one further baffle wall... insures a satisfactory aspiration of the produced dust particles... The arrangement of at least two, spaced from each other, baffle walls above an air stream aspirated by a vacuum source
Data Source
AI summary
A suction device for a pick power tool includes a securing device provided at the first axial end of the suction device for securing the suction device (11) on the pick power tool (6), a connection element (17) for a vacuum source inclined to the longitudinal axis (14) of the suction device (11), and a first baffle wall (21) and at least one further baffle wall (26) spaced from the first baffle wall (21), with the first baffle wall being located between the connection element (17) and the first end (12) of the suction device (11) and the at least one further baffle wall (21) being located between the first baffle wall and the first end (12), and the first baffle wall (21) and the second baffle wall (26) each having, respectively, a through-opening (22, 27) for the working tool (7) of the pick power tool (6).