Profiled Bar Welding Support with Quick-Change Containment

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Solution Overview

Problem

Existing supporting devices for profiled bars in welding apparatuses require complex and time-consuming replacement of containment elements, necessitating skilled operators and leading to prolonged machine downtime.

Innovation Solution

A supporting device with a movable upper and lower supporting element, featuring a containment element with a deflecting protuberance, and an adjustable intermediate component that allows quick and easy replacement of containment elements outside the welding apparatus.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If containment elements are made replaceable for different profiled bar types, then adaptability improves, but device complexity increases

Engineering Contradiction:
Improveadaptability to different profiled bar typesVSAvoidcomplexity of replacement operation
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The supporting device is divided into a base component and a removable containment element assembly. The containment element can be independently replaced from the base component, allowing different containment elements to be used for different profiled bar types without replacing the entire supporting device. This segmentation enables adaptability while keeping the replacement operation simple.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The supporting device incorporates movable upper and lower supporting elements that can transition between clamping and disengagement positions. This dynamic capability allows the profiled bar to be easily loaded and unloaded, and facilitates quick replacement of containment elements during operation, balancing adaptability with operational simplicity.

Inventive Principle:
Principle #15Dynamics

2Reliability

If containment elements are replaced frequently for maintenance or different bar types, then reliability improves, but loss of time increases

Engineering Contradiction:
Improvereliability of welding qualityVSAvoidmachine downtime for replacement
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The upper and lower supporting elements are designed to be movable to disengagement positions, allowing containment elements to be replaced in advance or during brief pauses without stopping the entire welding machine. This preliminary action capability reduces machine downtime by enabling quick containment element replacement while maintaining welding reliability.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The containment element is extracted as a separate, removable component from the base component. This extraction design allows the containment element to be quickly removed and replaced without affecting the base component or requiring complex disassembly, thereby reducing replacement time while ensuring reliable welding through proper containment element selection.

Inventive Principle:
Principle #2Taking out (Extraction)

3Manufacturing precision

If precise adjustment operations are required for mounting containment elements, then manufacturing precision improves, but ease of operation worsens

Engineering Contradiction:
Improveprecision of containment element positioningVSAvoidskill level required for operator
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The supporting device incorporates self-aligning features and reference markings that guide the operator in correctly positioning the containment element on the base component. The movable supporting elements automatically adjust to proper positions during clamping, reducing the skill level required while maintaining manufacturing precision through automated positioning mechanisms.

Inventive Principle:
Principle #25Self-service

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 rapid and simple replacement of containment elements by non-experts, minimizing machine downtime and maintaining productivity.

Implementation Method 1

a heating element (20), shaped like a plate, suitable for being interposed between the end sections (18) of the profiled bar (2) and of the further profiled bar (3), so as to heat the material which forms the profiled bar (2) and the further profiled bar (3)

Methodology Applied
Scientific EffectHeating: Heating

Implementation Method 2

pushing means for pushing the profiled bar (2) against the further profiled bar (3), in such a way as to apply a pressure which allows the profiled bar (2) to be joined to the further profiled bar (3)

Methodology Applied
Scientific EffectPressure: Pressure Increase

Data Source

PatentEP4019227B1A supporting device for supporting a profiled bar in a welding apparatus
Publication Date: 2025.07.09 EMMEGI SPA
  • EP4019227B1 patent drawingFigure 1
  • EP4019227B1 patent drawingFigure 2
  • EP4019227B1 patent drawingFigure 3

AI summary

A supporting device for supporting a profiled bar (2, 3) during a welding operation, comprises a lower supporting element (13) and an upper supporting element (16) movable relative to each other between a clamping position, in which a profiled bar (2, 3) can be locked between the lower supporting element (13) and the upper supporting element (16), and a disengagement position, in which the profiled bar (2, 3) can be disengaged from the lower supporting element (13) and from the upper supporting element (16). At least one supporting element selected from between the upper supporting element (16) and the lower supporting element (13) comprises: - a containment element (24) for containing the softened material of the profiled bar (2, 3) during welding, the containment element (24) having a deflecting protuberance (25) which projects towards a longitudinal axis (Z) of the profiled bar (2, 3) for diverting the softened material towards the inside of the profiled bar (2, 3); - a base component (22), floating along a direction parallel to the longitudinal axis (Z) of the profiled bar (2, 3); - an intermediate component (27) to which the containment element (24) can be fixed, the intermediate component (27) being removably connectable to the base component (22), - adjusting means for adjusting the position of the containment element (24) relative to the intermediate component (27).