Movable Head Manipulation for Stack Article Separation

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Solution Overview

Problem

Existing apparatuses for manipulating stacks of articles into individual or grouped units lack flexibility and require additional steps to rearrange articles into a row, occupying more space and increasing operational complexity in packaging lines.

Innovation Solution

A movable head with abutment plates and a rotatable receptacle that aligns and transfers selected groups of articles from the top tier of a stack into a receptacle, allowing for sequential manipulation of tiers and optional inversion or rearrangement of articles, with features like a pallet riser for rotating the stack and an arm for managing divider sheets.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If existing apparatuses are used to manipulate stacks of articles, then articles can be separated into individual units, but additional rearrangement steps are required and more space is occupied

Engineering Contradiction:
Improvearticle separation efficiencyVSAvoidnumber of manipulation steps
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent combines the article separation function and the rearrangement function into a single integrated operation. The moveable head with fingers not only separates articles from the stack but simultaneously positions them in the desired arrangement pattern, eliminating the need for separate rearrangement steps that would otherwise be required.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The moveable head is designed to perform multiple functions: it separates articles from the stack, positions them individually or in groups, and arranges them in specific patterns all through a single mechanism. This multi-functional design reduces the overall complexity of the apparatus while maintaining high productivity.

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

2Productivity

If existing apparatuses are used to manipulate stacks of articles, then articles can be separated into individual units, but more real estate is occupied in packaging lines

Engineering Contradiction:
Improvearticle separation efficiencyVSAvoidfootprint in packaging line
Core Design Contradiction:
ProductivityVSArea of stationary object

Solution Approach 1:

By merging separation and rearrangement into one operation performed by the moveable head, the apparatus achieves high productivity within a compact footprint. The integrated design eliminates the need for additional space that would be required for separate rearrangement stations or multiple manipulation devices.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The moveable head with its movable fingers provides dynamic manipulation capability, allowing articles to be separated and positioned in various arrangements through a single mechanism. This dynamic approach enables the apparatus to perform multiple functions in a compact space, reducing the overall area required in the packaging line.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If a complete layer of products is taken off the stack at once, then the process is simplified, but flexibility is reduced and re-arrangement is required

Engineering Contradiction:
Improvesimplicity of manipulation processVSAvoidflexibility in article arrangement
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The moveable head with its individual fingers segments the manipulation process, allowing selective engagement with individual articles or small groups within a layer. This segmentation provides flexibility to handle articles individually or in groups as needed, while maintaining ease of operation through the coordinated movement of the finger assembly.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The dynamic design of the moveable head allows it to adapt its configuration during operation, enabling it to take off complete layers when needed while also providing the flexibility to selectively manipulate individual articles or groups. This dynamic capability maintains operational simplicity while enhancing versatility in article arrangement.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP2681139B1Apparatus and method of manipulation of articles
Publication Date: 2016.08.17 WESTROCK PACKAGING SYSTEMS LLC
  • EP2681139B1 patent drawingFigure 1
  • EP2681139B1 patent drawingFigure 2
  • EP2681139B1 patent drawingFigure 3

AI summary

An apparatus (100) for manipulating articles initially disposed in a stack (S), which apparatus (100) comprises a moveable head (2) and a receptacle (5), the receptacle (5) being disposable adjacent a stack (S) of articles and the moveable head (2) being operable to abut and transfer selected articles from the stack (S) into the receptacle (5). The receptacle (5) is a comb-like box which makes it possible to deposit the articles on a roller conveyor (7).