Active Neck Clamp for Container Transfer Level Control

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Solution Overview

Problem

Existing container handling machines face challenges in maintaining proper transfer levels during container manipulation, especially with lighter and unstable containers, leading to deformation and improper transfer, requiring complex mechanical lifting units and additional fittings.

Innovation Solution

The introduction of an active neck clamp that secures and adjusts containers to a predetermined transfer level, eliminating the need for complex mechanical lifting units and inlet fittings, and allowing for reliable handling regardless of container stability, using a centering element and neck clamp system that synchronizes with the container's movement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a vertically adjustable container plate with a complex mechanical lifting unit is used to ensure clean transfer from infeed star wheel to labeling carousel, then transfer reliability is improved, but device complexity increases

Engineering Contradiction:
Improvetransfer reliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts the active neck clamp mechanism from the complex mechanical lifting unit, allowing the neck clamp to independently adjust and maintain container neck position at the predetermined transfer level without requiring the entire container plate to be vertically adjustable. This separates the neck positioning function from the overall platform positioning system.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The neck clamp is designed with active adjustment capability, allowing it to dynamically adapt to container deformations by moving independently to maintain the container neck at the correct transfer level. This dynamic adjustment replaces the need for complex mechanical lifting units that would require coordinated movement of multiple components.

Inventive Principle:
Principle #15Dynamics

2Stability of the object's composition

If compressed air is used to stabilize lightweight containers during handling, then container stability is improved, but container deformation may still occur leading to improper transfer level

Engineering Contradiction:
Improvecontainer stabilityVSAvoidtransfer level precision
Core Design Contradiction:
Stability of the object's compositionVSManufacturing precision

Solution Approach 1:

The active neck clamp performs preliminary positioning of the container neck at the predetermined transfer level before the container enters the outfeed star wheel. This preliminary action ensures that even if container body deformation occurs during handling, the neck position is pre-adjusted to the correct transfer level for smooth transfer.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The neck clamp system incorporates feedback through its active adjustment mechanism that continuously monitors and corrects container neck position relative to the predetermined transfer level. This feedback loop compensates for container deformations by actively repositioning the neck clamp to maintain accurate transfer level alignment.

Inventive Principle:
Principle #23Feedback

3Ease of operation

If the container neck is not at the predetermined transfer level relative to the outfeed star wheel, then transfer function fails, but complex mechanical lifting units are required to ensure proper positioning

Engineering Contradiction:
Improvetransfer functionVSAvoidmechanical lifting unit complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent extracts the positioning function from the complex mechanical lifting unit and assigns it to the active neck clamp, which independently adjusts and maintains the container neck at the predetermined transfer level. This extraction simplifies the overall system by removing the need for complex vertical adjustment mechanisms on the container plate.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The active neck clamp provides localized positioning control specifically at the container neck area, rather than requiring global adjustment of the entire container plate. This local quality approach ensures precise transfer level positioning for the critical neck region without the complexity of adjusting the entire platform.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP3386870B1Container treatment machine
Publication Date: 2021.11.03 KRONES AG
  • EP3386870B1 patent drawingFigure 1
  • EP3386870B1 patent drawingFigure 2
  • EP3386870B1 patent drawingFigure 3~4

AI summary

The invention relates to a container treatment machine, comprising at least one assembly (B) for neck handling manipulation of a container (1), a centering head (5) having a centering element (3) that is linearly adjustable between a passive position and a tensioning position. Parallel to the centering element (3), a neck clip (2) that is adjustable from a transfer level (N) for holding the container neck is provided, which can be carried along by the centering element (3) at least as far as the tensioning position, and with displacement of the centering element (3) into the passive position, is resettable with the container (1) to the transfer level (N).