Bulk Welding Wire Transfer Guide for Tangle-Free Container Changeover

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Solution Overview

Problem

High production welding operations experience downtime due to tangles and inefficiencies when switching between welding wire containers, as the wire from new containers must be threaded through feeding apparatuses, leading to significant downtime and potential shutdowns.

Innovation Solution

A welding wire transfer system that includes a frame with side arms and a pivotable wire transfer arm, along with a reversible wire transfer plate and guide conduits, allowing for 'endless' wire transfer by linking multiple containers and minimizing tangles through strategic positioning and orientation of the wire transfer components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If welding wire containers are changed frequently to maintain continuous supply, then wire availability is improved, but downtime increases due to threading and tangle removal

Engineering Contradiction:
Improvewire availabilityVSAvoiddowntime
Core Design Contradiction:
Quantity of substanceVSLoss of time

Solution Approach 1:

The system maintains continuous wire supply by keeping multiple containers in ready positions and using automatic transfer mechanisms that operate without stopping the welding process. The wire is continuously fed from one container to another through guided paths, eliminating idle time during container changes.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

Empty containers are pre-positioned in the system before they are needed. When a container is depleted, a pre-positioned empty container is already in place to receive the wire transfer, eliminating the time required for manual positioning and threading operations.

Inventive Principle:
Principle #10Preliminary action

2Speed

If wire transfer paths are simplified for quick container changes, then container change speed is improved, but wire tangles increase due to improper wire routing

Engineering Contradiction:
Improvecontainer change speedVSAvoidwire tangles
Core Design Contradiction:
SpeedVSObject-generated harmful factors

Solution Approach 1:

Transfer plates and guide conduits serve as intermediary components that mediate the wire transfer between containers. These intermediaries provide controlled paths for the wire, ensuring smooth transitions without direct contact between wire ends, thereby preventing tangles while maintaining fast transfer speeds.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system uses curved guide conduits and rounded transfer surfaces to direct wire flow. The curved paths guide the wire smoothly around corners and between containers, preventing sharp bends and friction-induced tangles that would occur with angular or rigid routing paths.

Inventive Principle:
Principle #14Spheroidality (Curvature)

3Duration of action of moving object

If multiple wire containers are positioned close together for continuous supply, then wire flow continuity is improved, but system complexity increases due to transfer mechanism requirements

Engineering Contradiction:
Improvewire flow continuityVSAvoidtransfer mechanism complexity
Core Design Contradiction:
Duration of action of moving objectVSDevice complexity

Solution Approach 1:

The wire supply system is segmented into multiple independent container units, each capable of holding and feeding wire. This segmentation allows containers to be positioned in modular arrangements with standardized transfer interfaces, reducing overall system complexity while maintaining continuous supply capability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The transfer plates and guide conduits are designed as universal components that can handle wire transfer between any adjacent containers in the system. This multi-functionality reduces the need for specialized transfer mechanisms for each container pair, simplifying the overall system architecture.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP3552749B1Bulk wire delivery system
Publication Date: 2023.05.31 LINCOLN GLOBAL INC
  • EP3552749B1 patent drawingFigure 1
  • EP3552749B1 patent drawingFigure 2~4
  • EP3552749B1 patent drawingFigure 5~6

AI summary

A welding wire transfer system for use with at least a pair of endless welding wire containers (16; 18), at least one of said containers is an in-process supply container containing an in-process coil of wire (12 or 14) and at least one other of said containers is a staged supply container containing a staged coil of wire (14 or 12) with a start end of said staged coil of wire butt-welded to a tail end of said in-process coil of wire, said welding wire transfer system comprising a vertical shaft; and a horizontal shaft (40) extending normal to said vertical shaft and comprising a welding wire transfer guide (38), said guide having a curvilinear groove (52), one end of said curvilinear groove of said welding wire transfer guide positioned nearly tangent to an outer diameter of the in-process coil (12) of wire and an opposed end of said curvilinear groove positioned nearly tangent to an inner diameter of the staged coil (14) of wire, wherein the one end and the opposed end of the curvilinear groove are positioned nearly along a tangent line between the outer diameter of the in-process coil (12) of wire and the inner diameter of the staged coil of wire (14).