Spool Labeling Apparatus Avoids Wire Tail

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Solution Overview

Problem

Existing electrical wire and cable labeling systems fail to detect and avoid the wire tail during label application, leading to improper label adhesion, detachment issues, and potential safety hazards.

Innovation Solution

A labeling apparatus and method that captures and indexes the spool, detects the wire tail, and applies the label at a location clear of the tail, ensuring consistent and proper label placement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If automatic mechanical label applicators are used to apply the label, then labeling efficiency is improved, but the label is frequently applied directly onto or overlapping the wire tail, causing adhesion failure

Engineering Contradiction:
Improvelabeling efficiencyVSAvoidlabel placement accuracy
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The system performs preliminary detection of the wire tail position using optical sensors before the label application process. This advance detection allows the system to plan and execute label placement that avoids the tail, ensuring both high-speed automatic operation and precise label positioning away from the tail area.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The optical sensors continuously monitor the spool surface to detect the wire tail location and provide real-time feedback to the label applicator. This feedback mechanism enables dynamic adjustment of label placement position, ensuring accurate positioning that avoids the tail while maintaining high labeling speed through automated control.

Inventive Principle:
Principle #23Feedback

2Ease of manufacture

If the label is applied over or in contact with the wire tail, then the labeling process is simplified, but the label fails to make good contact with the spool surface and may not adhere properly

Engineering Contradiction:
Improvelabeling process simplicityVSAvoidlabel adhesion reliability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The optical sensor system acts as an intermediary between the label applicator and the spool surface. It detects the wire tail position and communicates this information to the applicator, enabling the system to automatically adjust label placement to avoid the tail while maintaining simple automated operation without manual intervention.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Manufacturing precision

If manual application of the label is used, then label placement precision is improved, but an extra worker is required and the process is excessively time consuming

Engineering Contradiction:
Improvelabel placement precisionVSAvoidlabeling speed
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The system replaces the manual mechanical action of label placement with an automated mechanical label applicator guided by optical detection. The optical sensors detect tail position and the automated applicator adjusts label placement accordingly, combining the precision previously requiring manual operation with high-speed automated labeling capability.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The label applicator system performs self-adjustment based on optical detection of the wire tail position. The system automatically determines the correct label placement location and executes the placement without human intervention, enabling both high precision and high productivity through automated self-controlled operation.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS12297004B1Method and apparatus for applying a label to a spool or reel
Publication Date: 2025.05.13 ENCORE WIRE CORP
  • US12297004B1 patent drawing
  • US12297004B1 patent drawing
  • US12297004B1 patent drawing

AI summary

An apparatus for applying a label to a spool or reel containing wire and a wire tail extending from the spool or reel, the apparatus comprising a wire tail sensor, wherein the wire tail sensor identifies the location of the wire tail protruding from the spool or reel and a label application mechanism, wherein the labeling mechanism applies a label to the spool or reel and wherein the label does not contact the wire tail protruding from the spool or reel.