Wire Retaining Ring for Endless MIG Wire Boxes
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Solution Overview
Problem
The challenge in welding systems is the smooth unwinding of coiled welding wire from containers without tangling or knotting, which can lead to defects and costly downtime due to the radial outward force and upward springing force of the wire coils.
Innovation Solution
A wire retaining ring system with a discontinuous inner ring, an intermediate ring, and an outer ring, along with radially extending spokes, is used to position the trailing end of the wire in a slot, preventing entanglement by moving it away from the center of the coil and allowing seamless connection to the feeding end of another coil, creating an endless supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wire is dispensed from coil without retention structure, then wire can be drawn freely from drum, but wire may tangle and form knots causing defects and breaks
Solution Approach 1:
The wire coil is segmented into controlled sections by the retaining ring structure, which divides the coil into an inner section and outer section. This segmentation allows the wire to be dispensed in a controlled manner, preventing tangling while maintaining ease of operation.
Solution Approach 2:
The wire retaining ring is pre-positioned on the wire coil before dispensing begins. The trailing end of the wire is预先 positioned in the slot of the retaining ring, which prevents entanglement from occurring in the first place rather than correcting it after it happens.
2Productivity
If multiple loops of wire lift off from coil top simultaneously, then wire can be drawn quickly, but wire becomes entangled
Solution Approach 1:
The retaining ring provides localized control at the critical area where wire loops lift off from the coil top. The slot in the retaining ring specifically manages the trailing end position, creating local quality control that prevents entanglement while allowing rapid dispensing elsewhere.
3Ease of operation
If wire coil has radial outward force and upward springing force, then wire can be fed easily into drum, but wire may unravel and fall behind coil causing intertwining
Solution Approach 1:
The wire retaining ring applies a preliminary counter-action to the natural springing force of the wire coil. By positioning the trailing end in the slot and providing structural support, the retaining ring counteracts the upward springing force that would otherwise cause the wire to unravel and fall behind the coil.
Data Source
AI summary
The subject embodiments are directed to a system to allow an uninterrupted flow of a coil welding wire from one container to another container, the coil of welding wire including a coil top and a coil bottom. Each container includes at least one vertically extending side wall, a closed bottom, a top opening for removing the welding wire and a wire coil receiving cavity within the outer packaging for receiving the wire coil, the feeding end and the trailing end being positionable near the top opening. A wire retaining ring is disposed on the coil top in the container and another said container, the wire retaining ring includes a slot that extends radially from a center of the coil to allow the trailing end of the coil to be drawn at a location away from the center of the coil.