Welding Powder Ejector Transport System
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Solution Overview
Problem
Current powder welding installations are inefficient in powder transfer, consuming excessive powder and requiring complex, expensive pressure containers that are difficult to handle and install, with outdated technology since the 1950s.
Innovation Solution
A welding device utilizing an ejector to transport powder from a container to the welding area using pressurized gas through a pipe system, ensuring reliable and even powder distribution with an air supply to prevent low suction issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pressure containers are used to transport powder from the reservoir to the drop release container, then powder can be transported, but the equipment becomes complicated, expensive and troublesome to install and handle
Solution Approach 1:
The invention extracts the essential function of powder transport from the complex pressure container system and implements it using a simple suction pipe connected to a vacuum generator. This removes the unnecessary complexity of pressure vessels, valves, and safety equipment while maintaining reliable powder delivery to the welding area.
Solution Approach 2:
The invention replaces the mechanical pressure-based transport system with a vacuum-based suction system. Instead of using compressed air and pressure containers to push powder, the system uses a vacuum generator to pull powder through a suction pipe, significantly simplifying the mechanical components required.
2Reliability
If pressure containers are used for powder transport, then powder delivery is achieved, but various regulations regarding pressure vessels must be fulfilled
Solution Approach 1:
The invention removes pressure vessels from the powder transport system entirely, replacing them with a vacuum-based system. This extraction eliminates the need to comply with pressure vessel regulations while maintaining effective powder delivery capability through the suction pipe and vacuum generator arrangement.
3Productivity
If existing powder transport systems are used, then powder can be delivered to the welding area, but excessive powder is consumed
Solution Approach 1:
The invention implements a feedback mechanism where the vacuum generator continuously monitors and adjusts the suction strength to maintain optimal powder flow. This ensures that only the necessary amount of powder is delivered to the welding area, reducing waste while maintaining high welding productivity through consistent powder supply.
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
Facilitates efficient and even transfer of welding powder, reducing powder consumption and simplifying handling by eliminating the need for complex pressure containers, while adhering to safety regulations.
Implementation Method 1
an ejector which is arranged to transport powder from the container via the first pipe using pressurized gas
Implementation Method 2
transport powder from the container via the first pipe using pressurized gas
Implementation Method 3
An air supply pipe is arranged with one of its openings adjacent to the opening in the first end of the first pipe for transportation of air to the opening of the first pipe
Data Source
AI summary
A welding device for powder welding is described, which comprises a welding head for transportation of at least one welding electrode to a welding area, and a powder transportation device for transportation of powder from a container to the welding area. The powder transportation device comprises at least a first pipe which at a first end has an opening which is arranged to be placed in the container in order to transport fluxing agent from the container. The powder transportation device comprises at least a first ejector which is connected to the second end of the first pipe and which is arranged to transport powder from the container via the first pipe using pressurized gas.