Welding Torch Tip Feeding and Nozzle Cleaning for Spatter Control
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Solution Overview
Problem
Existing welding torch servicing machines have a large physical footprint and complex designs, which hinder efficient servicing and maintenance, particularly due to the accumulation of spatter in gas nozzles that reduces gas flow and affects welding stability.
Innovation Solution
A compact tip feeder assembly with a hopper magazine that increases tip density and a universal-joint nozzle cleaning assembly with off-centered brush rotation for effective cleaning of gas nozzles, both designed to simplify and enhance the servicing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional servicing machines are used to clean gas nozzles and service welding torches, then welding torch reliability is maintained, but the physical footprint and device complexity increase
Solution Approach 1:
The servicing system is divided into modular components including a tip feeder assembly with hopper magazine, a separate nozzle cleaning assembly with brush mechanism, and integration with the welding torch. This segmentation allows each component to perform its function independently while reducing overall system complexity and footprint.
Solution Approach 2:
The servicing machine is designed to perform multiple functions including contact tip feeding, gas nozzle cleaning, and welding torch servicing through a single integrated system. The tip feeder assembly and nozzle cleaning assembly work together to provide comprehensive servicing capabilities, reducing the need for multiple separate machines.
2Productivity
If spatter accumulates inside the gas nozzle during welding, then welding process continues, but gas flow decreases and welding stability deteriorates
Solution Approach 1:
The nozzle cleaning assembly with rotating brush is designed to clean spatter from the gas nozzle interior before spatter accumulation significantly impacts gas flow and welding stability. The system performs preliminary cleaning maintenance to prevent deterioration of welding performance.
Solution Approach 2:
The welding torch servicing system is integrated into the welding process itself, allowing the torch to be serviced automatically during operation. The tip feeder and cleaning mechanisms operate autonomously to maintain optimal gas flow and welding stability without external intervention.
3Productivity
If a hopper magazine system is used to feed contact tips, then tip density increases and handling efficiency improves, but device complexity increases
Solution Approach 1:
The hopper magazine system stores contact tips in a vertical three-dimensional arrangement rather than horizontal stacking. This vertical dimension allows higher tip density and improved handling efficiency while maintaining a compact footprint that does not significantly increase device complexity.
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
The solutions reduce the physical footprint and complexity of servicing machines, improve tip handling efficiency, and effectively clean gas nozzles, thereby enhancing welding stability and reliability by maintaining optimal gas flow and reducing spatter buildup.
Implementation Method 1
an extension spring, which connects the universal joint to the motor housing and keeps the universal joint in its initial position
Data Source
AI summary
Systems for servicing welding torches are provided, which include a feeder assembly and a nozzle cleaning assembly. The feeder assembly may be configured to feed removable components (e.g., contact tips). For example, the feeder assembly comprises a hopper magazine configured to store contact tips for a welding torch so that one contact tip is on top of another contact tip in their horizontal directions and to release each of the contact tips in the horizontal direction. The nozzle cleaning assembly may comprise a brush for cleaning the inner wall of the contact tip and a universal joint for off-centered rotation of the brush head.