Stationary Elastic Rotary Elements for Non-Circular Container Alignment

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Solution Overview

Problem

Existing alignment devices for containers transported using neck handling are unsuitable for high-speed alignment without risking damage, as they require complex designs and are not effective for non-round containers.

Innovation Solution

A device with stationary elastic rotary elements that align containers through their own translational movement and torque, reducing misalignment risks, and featuring adjustable spring elements and friction surfaces to apply torque for precise alignment, with optional stabilization and control units for enhanced accuracy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If friction elements are used to align containers by pushing and rotating them on a conveyor belt, then alignment can be achieved, but the device becomes unsuitable for neck handling transport and high-speed operation

Engineering Contradiction:
Improvealignment precisionVSAvoidcompatibility with neck handling
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The patent replaces the traditional mechanical friction-based alignment system with a magnetic field-based system. Magnetic elements are embedded in the conveyor belt and interact with magnetically susceptible materials on the container closures, enabling alignment through magnetic torque rather than mechanical friction. This substitution allows the system to work with neck-handled containers at high speeds without requiring physical contact or inclined positioning.

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

2Manufacturing precision

If complex alignment devices with movable mold plates are used for neck handling, then alignment can be achieved, but the device becomes expensive and cannot handle high transport speeds

Engineering Contradiction:
Improvealignment precisionVSAvoidtransport speed
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The alignment system operates passively by utilizing the containers' own motion through the conveyor to generate the necessary magnetic interaction. The magnetic elements on the conveyor belt automatically engage with the magnetically susceptible closure materials as containers pass over them, creating torque that aligns the containers without requiring additional actuators, motors, or complex control systems. This self-aligning mechanism enables high-speed operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent employs dynamically responsive magnetic elements that can adjust their position or magnetic field strength based on container characteristics. The magnetic susceptibility of closure materials varies by container type, and the system adapts to these variations automatically, maintaining effective alignment across different container styles and speeds without mechanical adjustment mechanisms.

Inventive Principle:
Principle #15Dynamics

3Manufacturing precision

If containers are aligned using traditional friction elements requiring inclined position, then alignment can be achieved, but the risk of misalignment and waste increases

Engineering Contradiction:
Improvealignment precisionVSAvoidalignment reliability
Core Design Contradiction:
Manufacturing precisionVSReliability

Solution Approach 1:

The patent replaces the traditional mechanical friction-based alignment system with a magnetic field-based system. Magnetic elements are embedded in the conveyor belt and interact with magnetically susceptible materials on the container closures, enabling alignment through magnetic torque rather than mechanical friction. This substitution allows the system to work with neck-handled containers at high speeds without requiring physical contact or inclined positioning.

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

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

Enables efficient and damage-free alignment of non-round containers at high speeds with reduced waste and minimal design complexity, ensuring accurate orientation and stabilization throughout the transport process.

Implementation Method 1

the containers are only aligned due to their own translatory movement and the torque caused by the rotary elements on these containers

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 2

stationary elastic rotary elements... elastic means that the rotating elements, which are deflected by a passing container, only return to their starting position by a restoring force

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP3030505B1Apparatus and method for aligning non-circular containers
Publication Date: 2017.10.11 KRONES AG
  • EP3030505B1 patent drawingFigure 1
  • EP3030505B1 patent drawingFigure 2a~2b
  • EP3030505B1 patent drawingFigure 3

AI summary

The invention relates to a device and a corresponding method for orienting containers (203) having a noncircular cross-section, in particular bottles, which are transported along a transport path (102) by means of neck handling, said device comprising at least one rotating device (211, 212) arranged along the transport path, characterised in that the rotating device is stationary and comprises one or more stationary, elastic rotating elements (221-225, 231-235), which are suitable for orienting a container (203) in a specified direction.