Segmented Infeed Wheel for Fanfold Packaging Material

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Solution Overview

Problem

Conventional infeed systems for fanfold packaging materials in converting machines are large, costly, and prone to jams, requiring significant space and overhead clearance, posing safety hazards and necessitating frequent wheel changes for different material sizes, leading to increased downtime and operational costs.

Innovation Solution

The system employs an infeed wheel with radial members that crease fanfold material between existing score lines, allowing for a smaller machine footprint and using infeed guides with a smaller radius to direct the material, enabling efficient feeding and reducing jam risks by creating additional creases for smoother material flow.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional infeed wheels are sized to match fanfold material dimensions to avoid creasing, then material aesthetic appeal and structural integrity are preserved, but machine footprint and overhead clearance requirements increase significantly

Engineering Contradiction:
Improvematerial creasing preventionVSAvoidmachine footprint
Core Design Contradiction:
Manufacturing precisionVSArea of stationary object

Solution Approach 1:

The infeed wheel is divided into multiple independently adjustable radial members instead of a solid wheel. This segmentation allows the radial members to flexibly engage with score lines at different positions and orientations, enabling the wheel to accommodate various fanfold dimensions without requiring a large wheel diameter, thus reducing machine footprint while preventing material creasing.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The radial members are made adjustable and reconfigurable rather than fixed. This dynamic capability allows the infeed wheel to adapt its configuration to match different fanfold material sizes and orientations, eliminating the need for oversized wheels and reducing the overall machine footprint while maintaining precise engagement with score lines.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If conventional infeed wheels are made large to accommodate material dimensions, then material handling is improved, but device cost and manufacturing complexity increase

Engineering Contradiction:
Improvematerial handlingVSAvoidwheel manufacturing cost
Core Design Contradiction:
Ease of operationVSEase of manufacture

Solution Approach 1:

The infeed wheel is segmented into multiple radial members that can be manufactured as separate, smaller components. This segmentation reduces the manufacturing complexity and cost of each individual component compared to a single large wheel, while the assembled structure maintains the capability for effective material handling through flexible score line engagement.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The adjustable radial members allow a single infeed wheel assembly to handle multiple material sizes and configurations, replacing the need for multiple different sized wheels. This dynamic adaptability reduces overall device cost by eliminating redundant components while maintaining versatile material handling capabilities.

Inventive Principle:
Principle #15Dynamics

3Manufacturing precision

If conventional infeed guides use large radius designs to accommodate fanfold turning, then material folding and bending are prevented, but overall machine size and space requirements increase

Engineering Contradiction:
Improvematerial fold preventionVSAvoidmachine length
Core Design Contradiction:
Manufacturing precisionVSLength of stationary object

Solution Approach 1:

The infeed guide is segmented into multiple adjustable sections rather than a single large-radius curved path. This segmentation allows the guide to direct material through a more compact path while maintaining control over material orientation and preventing unauthorized folding, thus reducing machine length requirements.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The infeed guide features adjustable components that can be reconfigured based on material size and orientation. This dynamic capability allows the guide to effectively turn and direct various fanfold configurations through a smaller radius path, reducing the overall machine length while still preventing material folding and bending.

Inventive Principle:
Principle #15Dynamics

4Manufacturing precision

If conventional infeed systems are designed for specific material sizes, then material handling precision is improved, but adaptability to different material dimensions decreases, requiring frequent wheel changes and increasing downtime

Engineering Contradiction:
Improvematerial handling precisionVSAvoidmaterial size adaptability
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The infeed wheel incorporates multiple adjustable radial members that can be reconfigured to match different material sizes, orientations, and score line positions. This dynamic adjustability allows a single wheel assembly to precisely handle various fanfold dimensions without requiring wheel changes, maintaining material handling precision while significantly improving adaptability and reducing downtime.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The infeed wheel design provides multi-functionality by enabling a single device to accurately handle multiple material sizes and configurations through adjustable radial members. This universal capability eliminates the need for multiple specialized wheels, maintaining precision across different materials while improving versatility and reducing changeover time.

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

Data Source

PatentEP2393743B1Infeed system
Publication Date: 2019.10.09 PACKSIZE LLC
  • EP2393743B1 patent drawingFigure 1A
  • EP2393743B1 patent drawingFigure 1B
  • EP2393743B1 patent drawingFigure 1C

AI summary

A system is described relating to the feeding of raw materials into a machine that converts the raw materials into a packaging template. The system may use raw packaging materials and supply the raw materials to a converting mechanism using an infeed wheel. The infeed wheel may rotate and have a number of edges that engage the raw materials. Raw materials of one form used may include fanfold material that has existing fold or score lines that define opposing boundaries of the fanfold material, but which allow separate layers to remain connected. As the infeed wheel rotates, the edges engage the raw materials, and can engage the existing fold or score lines. Some edges may engage at locations between existing fold or score lines, and can crease the raw materials.