Welding Table Divider Ventilation for Consistent Fume Extraction
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Solution Overview
Problem
Existing welding and cutting systems face challenges in efficiently ventilating workpieces during operations, leading to reduced productivity and increased exposure to fumes and debris, as they often require multiple ventilation systems or large overhead setups.
Innovation Solution
A workpiece positioning system with integral fume extraction, featuring a movable assembly with multiple work zones and ventilation ports that align consistently with a stationary ventilation manifold, ensuring effective ventilation and fume removal without the need for multiple ventilation systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If multiple ventilation systems or large overhead ventilation systems are used, then adequate fume extraction is achieved, but device complexity and overhead space requirements increase
Solution Approach 1:
The ventilation system is merged with the workpiece positioning system by integrating ventilation ports directly into the movable assembly that holds and positions workpieces. This combination eliminates the need for separate overhead ventilation systems while maintaining effective fume extraction during welding and cutting operations.
Solution Approach 2:
The movable assembly is divided into multiple work zones, each equipped with its own ventilation port. This segmentation allows each work zone to be independently ventilated through the aligned stationary manifold, providing targeted fume extraction without requiring a complex centralized ventilation system.
2Object-affected harmful factors
If multiple ventilation systems are installed, then fume extraction is improved, but installation space and overhead requirements increase
Solution Approach 1:
The ventilation system transitions from a traditional overhead three-dimensional structure to a two-dimensional integration within the movable assembly plane. Ventilation ports are embedded in the work zones of the movable assembly, allowing alignment with a flat stationary manifold, thereby eliminating the need for large overhead ventilation infrastructure.
3Productivity
If ventilation ports are consistently positioned on movable assembly, then ventilation efficiency is improved, but manufacturing precision requirements increase
Solution Approach 1:
The movable assembly is designed with universal positioning features and standardized work zones that ensure consistent ventilation port alignment with the stationary manifold across multiple assemblies. This universality allows for repeatable positioning without requiring extremely tight manufacturing tolerances on each individual component.
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 solution enhances productivity by maintaining consistent ventilation across all work zones, reduces exposure to fumes and debris, and minimizes the need for extensive overhead ventilation infrastructure.
Implementation Method 1
a first ventilation port on a first side of the divider opening toward a first work zone of the plurality of work zones and a second ventilation port on a second side of the divider opening toward a second work zone of the plurality of work zones formed by the divider; wherein at least one of the first and second ventilation ports are selectively placed in fluid communication with the fume extraction device to draw fume from at least one of the plurality of work zones
Implementation Method 2
an air knife assembly supported on the divider, the air knife assembly including at least one air knife including an outlet in fluid communication with an air supply, the at least one outlet being oriented to direct fluid over at least one of the work zones
Data Source
AI summary
A workpiece positioning system integrated with a fume extraction device, the system including a movable work surface assembly including at least one work surface; at least one divider extending upward from the at least one work surface dividing the at least one work surface into a plurality of work zones in which a welding operation is performed, the divider including a collection assembly comprising a first ventilation port on a first side of the divider opening toward a first work zone of the plurality of work zones and a second ventilation port on a second side of the divider opening toward a second work zone of the plurality of work zones formed by the divider; wherein at least one of the first and second ventilation ports are selectively placed in fluid communication with the fume extraction device to draw fume from at least one of the plurality of work zones.