Welding Torch Coupling with Pneumatic Diverting Valve
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Solution Overview
Problem
Conventional welding devices are complex and do not allow for the easy integration or attachment of external actuators, limiting their functionality and increasing technical complexity.
Innovation Solution
A welding device with a coupling element that can divert compressed air from the welding torch to an actuator using a controllable diverting valve, allowing for the actuation of internal or external actuators without increasing complexity, by switching between valve positions controlled by an electromagnet.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate motor or drive device is used to actuate the welding wire clamping device, then the actuator can be reliably actuated, but the device complexity increases
Solution Approach 1:
The patent uses compressed air (pneumatics) to actuate the welding wire clamping device through a diverting valve, replacing the need for a separate motor or drive device. This reduces device complexity while maintaining reliable actuation of the clamping device.
2Adaptability or versatility
If conventional welding apparatuses include drive devices for internal actuators, then internal actuators can be actuated, but the technical complexity of the apparatus increases
Solution Approach 1:
The compressed air line is designed to serve multiple functions: it can supply compressed air to the welding torch for blowing away residues and can also supply compressed air to actuators for actuating internal components like the welding wire clamping device. This multi-functionality eliminates the need for separate drive devices, reducing overall apparatus complexity.
3Adaptability or versatility
If conventional welding apparatuses use separate motors for actuators, then actuators can be actuated, but external actuators cannot be easily attached
Solution Approach 1:
The diverting valve acts as an intermediary that distributes compressed air to different destinations (welding torch or actuators). This intermediary mechanism enables easy attachment of external actuators to the compressed air line without requiring complex integration or separate drive devices.
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
Enables the actuation of welding wire clamps and other tools using compressed air, enhancing the device's operational flexibility and simplifying the integration of external actuators, while maintaining a reduced technical complexity.
Implementation Method 1
In one possible embodiment of the welding device in accordance with the invention, the diverting valve provided in the coupling element can be switched over between two valve positions by a controllable electromagnet.
Implementation Method 2
compressed air applied to the coupling element can be diverted by a diverting valve provided in the coupling element for actuating an actuator
Data Source
AI summary
Device and method for welding a workpiece (2) having a welding torch (3) which can be mechanically coupled by a coupling element (4) to a hose bundle (5) for supplying the welding torch (3) at least with compressed air or with a protective gas, wherein compressed air applied to the coupling element (4) can be diverted by a diverting valve (10) provided in the coupling element (4) for actuating an actuator (7).