Transparent Vacuum Pad for Labeling Machine Contamination

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Solution Overview

Problem

Vacuum pads in labeling units quickly become contaminated with dust, dirt, and adhesive particles due to ambient air suction, leading to unpredictable failures and production downtimes, as the small flow cross-sections of the vacuum channels allow debris to enter and impair their function.

Innovation Solution

The vacuum pads are made of transparent materials, allowing for early detection and removal of contamination by visual inspection, preventing sudden failures and ensuring continuous operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If vacuum pads are used with small flow cross-section channels, then vacuum holding capability is improved, but contamination resistance deteriorates

Engineering Contradiction:
Improvevacuum holding capabilityVSAvoidcontamination resistance
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The vacuum pad is made transparent or translucent, enabling visual detection of contamination in the channels. This allows operators to monitor the contamination level and maintain the vacuum system before complete blockage occurs, resolving the contradiction by making the harmful contamination visible without changing the small channel dimensions needed for vacuum holding.

Inventive Principle:
Principle #32Color changes

2Productivity

If vacuum pads operate continuously without inspection, then productivity is improved, but unexpected failures increase

Engineering Contradiction:
Improvecontinuous operationVSAvoidunexpected failure rate
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The transparent vacuum pad provides continuous visual feedback on the contamination status of the channels. This enables operators to monitor the system during continuous operation and take preventive maintenance actions before unexpected failures occur, allowing continuous productivity while reducing unexpected failures through ongoing observation.

Inventive Principle:
Principle #23Feedback

3Stress or pressure

If vacuum channels have small flow cross-section, then vacuum strength is improved, but ease of detecting contamination deteriorates

Engineering Contradiction:
Improvevacuum strengthVSAvoidcontamination detection difficulty
Core Design Contradiction:
Stress or pressureVSDifficulty of detecting and measuring

Solution Approach 1:

By making the vacuum pad transparent or translucent, the invention enables visual detection of contamination in the small-diameter channels without altering their dimensions. This resolves the contradiction by allowing easy visual monitoring of contamination in channels that maintain the small cross-section needed for strong vacuum.

Inventive Principle:
Principle #32Color changes

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

This solution enables early detection and prevention of contamination, reducing unexpected production disruptions and maintaining consistent functionality of the vacuum pads.

Implementation Method 1

The vacuum pad according to the invention is made of a transparent material, for example a transparent plastic, at least in that partial area of its pad body in which the channels forming the vacuum openings are provided

Methodology Applied
Scientific EffectLight transmission: Light

Implementation Method 2

vacuum openings on a strip-like partial area that preferably projects beyond the remaining peripheral surface of the vacuum drum... connected to vacuum channels on the drum side via bores or channels formed in the vacuum pad

Methodology Applied
Scientific EffectVacuum suction: Vacuum

Data Source

PatentEP2342137B1Vacuum pad and labeling machine
Publication Date: 2016.02.24 KHS GMBH
  • EP2342137B1 patent drawingFigure 1
  • EP2342137B1 patent drawingFigure 2
  • EP2342137B1 patent drawingFigure 3

AI summary

The invention relates to a vacuum pad for use on vacuum drums (8) of labeling machines for labeling bottles or like containers (2) with labels (3), having a plurality of vacuum openings (10) provided at least on a partial area (21, 21a) of the vacuum pad (9, 9a) and formed by channels (37, 38) that can have a vacuum applied thereto in the at least one partial area (21, 21a), characterized in that the vacuum pad (9, 9a) is manufactured of a transparent material, such as a transparent plastic, at least in the partial area (21, 21a) comprising the vacuum openings and the channels (37, 38).