Electrode Tip Impact Tool for Precise Welding Robot Alignment

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Solution Overview

Problem

Existing electrode assembly tools fail to efficiently facilitate the handling and alignment of electrode tips during replacement in welding robots, leading to potential misalignment and reduced weld quality.

Innovation Solution

An electrode tip impact tool with a handle and a head featuring a tip-receiving bore and a raised ridge for striking, allowing precise alignment and secure mounting of electrode tips using a hammer, formed from a lightweight, conductive material like stainless steel.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If existing electrode assembly tools are used, then electrode tip replacement can be performed, but alignment precision deteriorates leading to misalignment and reduced weld quality

Engineering Contradiction:
Improvealignment precisionVSAvoidweld quality
Core Design Contradiction:
Manufacturing precisionVSReliability

Solution Approach 1:

The impact tool serves as an intermediary device between the electrode tip and the welding robot mounting interface. The tool incorporates a precisely machined bore that guides the electrode tip during insertion, ensuring accurate alignment before the tip is struck into place. This intermediary structure eliminates the misalignment problems associated with direct handling or simpler assembly tools.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If electrode tip replacement is performed without proper alignment tools, then replacement speed may increase, but manufacturing precision deteriorates causing misalignment

Engineering Contradiction:
Improvereplacement efficiencyVSAvoidalignment accuracy
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The impact tool is designed with the alignment bore pre-formed and ready before the electrode tip replacement begins. The bore's precise geometry预先 establishes the correct alignment path, so that when the electrode tip is inserted and struck, it automatically follows the predetermined accurate trajectory. This preliminary preparation of the alignment path enables both speed and precision.

Inventive Principle:
Principle #10Preliminary action

3Device complexity

If a simple assembly tool is used, then device complexity is reduced, but alignment precision and weld quality deteriorate

Engineering Contradiction:
Improvetool structure simplicityVSAvoidalignment precision
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

The impact tool is segmented into distinct functional elements: a handle for operator control, a head for force application, and a precisely machined bore for alignment. This segmentation allows each component to be optimized for its specific function while maintaining overall tool simplicity. The bore's precision is achieved through focused machining of that specific segment rather than requiring the entire tool to be complex.

Inventive Principle:
Principle #1Segmentation

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

Ensures accurate and consistent alignment of electrode tips, improving weld quality by minimizing misalignment issues and facilitating efficient electrode tip replacement.

Implementation Method 1

The raised ridge is struck with a hammer with the electrode tip in the tip-receiving bore

Methodology Applied
Scientific EffectImpact force: Impact Force

Data Source

PatentUS12515305B2Electrode tip impact tools and methods of installing electrodes
Publication Date: 2026.01.06 TOYOTA MOTOR ENG & MFG NORTH AMERICA INC
  • US12515305B2 patent drawing
  • US12515305B2 patent drawing
  • US12515305B2 patent drawing

AI summary

An electrode tip impact tool for mounting an electrode tip to a welding robot includes a handle and a head at an end of the handle. The head includes a first edge comprising a tip-receiving bore sized to receive an electrode tip and an opposite second edge comprising a raised ridge for striking the head with a hammer.