Profile Layer Loading with Gravity Deformation Compensation

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Solution Overview

Problem

Existing methods for loading aluminium alloy longitudinal profiles onto a support in warehouses are tiring for operators, prone to distractions, and risk scratches or injuries due to repetitive tasks.

Innovation Solution

An apparatus and method utilizing a picking station, loading station, transfer means with gripping and compensation mechanisms, and displacement means to minimize operator strain and improve efficiency, including a system for recognizing profile types and optimizing loading processes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual handling of profiles by operators is used, then flexibility and simplicity are maintained, but operator strain increases and productivity decreases

Engineering Contradiction:
Improveloading speedVSAvoidoperator strain
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The system enables self-service automation where the apparatus automatically performs profile loading operations without requiring continuous manual intervention. The control unit coordinates gripping means, transfer mechanisms, and positioning systems to autonomously complete the loading task, eliminating operator strain while maintaining high productivity

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Manual mechanical handling by operators is replaced with an automated mechanical system comprising motorized gripping means, transfer mechanisms, and control units. This substitution eliminates physical strain on operators while significantly increasing loading speed and productivity

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

2Reliability

If repetitive manual loading tasks are performed, then loading can be completed, but the risk of distractions and accidents increases

Engineering Contradiction:
ImprovesafetyVSAvoidloading efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The automated system performs loading operations autonomously without human intervention during the critical transfer phase, eliminating distractions and accident risks associated with repetitive manual tasks. The control unit manages the entire process, ensuring consistent and safe operation

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

An automated control system acts as an intermediary between the profiles and the loading mechanism, mediating the transfer process without direct human involvement. This intermediary system eliminates the risks of operator distraction while maintaining efficient loading operations

Inventive Principle:
Principle #24Intermediary (Mediator)

3Manufacturing precision

If profiles are transferred without intermediate support, then device complexity is reduced, but deformation of profiles occurs due to gravity

Engineering Contradiction:
Improveprofile deformationVSAvoidsystem structure
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The system performs preliminary positioning actions by placing support elements in strategic locations before the profile transfer is completed. These pre-positioned supports prevent gravity-induced deformation during the transfer process, ensuring manufacturing precision without requiring complex real-time adjustment mechanisms

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

Intermediate support elements act as mediators between the profiles and the transfer mechanism, providing necessary structural support during transfer. These supports prevent deformation while maintaining relatively simple device architecture by using passive support elements rather than complex active control systems

Inventive Principle:
Principle #24Intermediary (Mediator)

4Productivity

If automated transfer means are implemented, then productivity increases, but device complexity increases

Engineering Contradiction:
Improveloading speedVSAvoidapparatus structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The automated transfer system is segmented into distinct functional modules: gripping means, transfer mechanism, support elements, and control unit. This segmentation allows each component to be optimized independently and simplifies maintenance and operation while maintaining high productivity through coordinated automated operation

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The apparatus is designed with multi-functional components that perform multiple operations. The gripping means can adjust to different profile types, the transfer mechanism handles both positioning and support functions, and the control unit manages various stages of the loading process, reducing overall device complexity while maintaining high productivity

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

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

Reduces operator strain, minimizes injury risk, and accelerates production by enhancing loading efficiency and accuracy through automated handling and deformation compensation.

Implementation Method 1

intermediate gripping means for compensating for a deformation of the layer of profiles induced by the force of gravity

Methodology Applied
Scientific EffectGravitation: Gravitation

Data Source

PatentEP3939916B1Apparatus and method for loading a layer of profiles onto a support
Publication Date: 2025.10.01 PRESEZZI EXTRUSION SPA
  • EP3939916B1 patent drawingFigure 1~3
  • EP3939916B1 patent drawingFigure 4~5
  • EP3939916B1 patent drawingFigure 6

AI summary

A method for loading a layer of aluminium alloy longitudinal profiles onto a support comprising the steps of: -positioning said layer of longitudinal profiles on a predetermined rest means (20); -grasping, at two opposite ends, said layer (10) of longitudinal profiles by means of first and second gripping means (51, 52); -displacing said layer from said rest means (20) making said layer assume a deformed configuration in which: the first and second gripping means (51, 52) grasp the two corresponding opposite ends of the layer, the layer in an intermediate area between the first and the second gripping means (51, 52) undergoing by gravity a deformation that defines a concavity facing upwards; -positioning a compensation means (6) for compensating for the deformation of the longitudinal profiles in an intermediate area between the first and the second gripping means (51, 52); -moving the first and second gripping means (51, 52) and said compensation means (6) positioning said layer of profiles above said support.