Mobile Disc Tool Suction Control for Stable Surface Machining
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing mobile machine tools lack an efficient and adjustable extraction concept for machining surfaces, particularly in terms of suction power and airflow control, which affects their adherence to the workpiece or surface being machined.
Innovation Solution
The machine tool incorporates an intake control system that adjusts intake airflow and/or negative pressure at additional air outlets, allowing for variable suction capacity and airflow distribution through auxiliary air inlets and outlets, with features like valves and seals to manage airflow and pressure conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If the suction capacity is increased to improve adherence to the workpiece surface, then the suction force increases, but the energy consumption and system complexity increase
Solution Approach 1:
The extraction system is segmented into multiple independent air inlet openings (intake air inlet openings and additional air inlet openings) with separate control mechanisms. This allows the suction force to be divided and controlled through multiple channels, achieving high suction force without requiring a single overly complex extraction system.
Solution Approach 2:
The system employs dynamic control of airflow through additional air inlet openings that can be selectively activated or deactivated. This dynamic adjustment capability allows the suction force to be optimized for different working conditions without permanently increasing system complexity.
2Productivity
If the suction capacity is increased to improve dust extraction, then the negative pressure increases, but the airflow distribution becomes unstable
Solution Approach 1:
The air inlet system is segmented into intake air inlet openings and additional air inlet openings that can operate independently. This segmentation allows stable airflow distribution through the primary intake openings while the additional openings provide supplemental dust extraction capacity, maintaining stability even at high suction levels.
Solution Approach 2:
The system changes airflow parameters by selectively activating additional air inlet openings based on working conditions. This allows the airflow distribution to be optimized and stabilized for different dust generation rates and machining conditions, maintaining stable extraction without compromising productivity.
3Device complexity
If fixed suction capacity is used to simplify the system, then the device complexity is reduced, but the adaptability to different machining conditions decreases
Solution Approach 1:
The system incorporates dynamic airflow control through additional air inlet openings that can be selectively activated based on machining conditions. This dynamic capability provides adaptability to varying dust generation rates and working conditions without requiring complex control systems, as the activation can be manually or automatically adjusted.
Solution Approach 2:
The additional air inlet openings serve multiple functions: they can be activated for high-dust machining conditions, deactivated for low-dust conditions, and used to supplement the primary intake openings. This multi-functionality provides versatility across different machining conditions while maintaining relatively simple system architecture.
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 system enables dynamic adjustment of suction force and airflow to optimize adherence to various surfaces, enhancing dust extraction and maintaining a stable machining process.
Implementation Method 1
a suction device for generating an intake air flow and/or a negative pressure at the at least one intake air outlet and the at least one auxiliary air outlet
Implementation Method 2
The air flowing in there is dust-laden and simultaneously creates a negative pressure in the area of the machining surface, so that it is drawn to the workpiece surface or the surface of the room being machined
Implementation Method 3
the intake device has an intake control for controlling the intake airflow and/or the negative pressure in the area of the at least one additional air outlet opening
Data Source
Figure 1
Figure 2~3
Figure 4~6
AI summary
The invention relates to a mobile machine tool (51) for machining a surface (FL, FR, FF, FD) of a workpiece or a space (RA), wherein the machine tool (51) has a working device (50) with a disc tool (90) for machining the surface and a drive motor (53) for driving the disc tool (90), which has a machining surface (91) associated with machining a workpiece and a machine side (92) opposite the machining surface (91), wherein intake air inlet openings (94) are arranged on the machining surface (91) for drawing air to the surface to be machined, which are flow-connected to at least one intake air outlet opening (95) arranged away from the machining surface (91) on the disc tool (90), wherein the dividing tool (90) has at least one additional air inlet opening (96) for the flow of additional air.the machine tool (51) is connected to at least one auxiliary air outlet (97) located away from the machining surface (91), and wherein the machine tool (51) has an intake device (70) for generating an intake air flow and/or a negative pressure at the at least one intake air outlet (95) and the at least one auxiliary air outlet (97). The intake device (70) is provided to have an intake control (80) for controlling the intake air flow and/or the negative pressure in the area of the at least one auxiliary air outlet (97).