Palletizing System Strapping Head Interference

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Solution Overview

Problem

Current palletizing systems for large ceramic tiles face inefficiencies due to potential interference between the gripping and strapping heads, leading to coordination limitations and system downtime during strapping head maintenance or strap supply issues, especially in high-production environments where large tiles are processed.

Innovation Solution

A palletizing system with a vertically movable gripping head and independently positioned strapping units on an annular track, allowing for coordinated movement and maintenance access without interference, where strapping units are placed on one side of the processing path and supply assemblies are located in a separate corridor to avoid conflicts with the gripping head.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the strapping head is positioned to consolidate products on pallets, then the palletizing operation is effective, but the gripping head and strapping head movements interfere with each other, limiting coordination and productivity

Engineering Contradiction:
Improvepalletizing speedVSAvoidcoordination complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The strapping head is moved from a position that shares the same movement space as the gripping head to a different spatial dimension - specifically, positioned on the side of the processing path rather than above it. This dimensional repositioning eliminates movement interference between the two heads, allowing independent operation and improving coordination while maintaining high palletizing speed

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Reliability

If the strapping head is positioned to consolidate products on pallets, then the palletizing operation is effective, but the entire system stops when the strapping head needs maintenance or strap supply replacement

Engineering Contradiction:
Improvesystem continuityVSAvoidmaintenance accessibility
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The strapping head is extracted from the main processing path and positioned in a separate location on the side. This separation allows the strapping head to be maintained, serviced, or have its strap supply replaced independently without affecting the gripping head or the overall palletizing operation, thereby improving both maintenance ease and system reliability

Inventive Principle:
Principle #2Taking out (Extraction)

3Productivity

If the strapping head operates at high speed to match production pace, then productivity is improved, but any interruption stops the entire system

Engineering Contradiction:
Improveproduction paceVSAvoidsystem downtime
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

By positioning the strapping head independently on the side of the processing path, the system enables continuous operation where the gripping head can maintain high-speed palletizing while the strapping head operates independently. If the strapping head requires maintenance or strap replacement, the gripping head continues its useful action without interruption, eliminating system-wide downtime and maintaining productivity

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentEP3056438B1Improved palletizing system, especially in tile production plants
Publication Date: 2017.08.30 MARPAK OMS GROUP
  • EP3056438B1 patent drawingFigure 1
  • EP3056438B1 patent drawingFigure 2

AI summary

A pallettisation system is disclosed comprising a processing path (L), along which a plurality of wrapping stations (Sn) is provided, meant to house a plurality of pallets (P) supporting products (SP) to be wrapped, at least a gripping head (TP) movably mounted on guiding means along said processing path (L), between a drawing station of said products (SP) and one as chosen of said wrapping stations (Sn), control means for controlling the movements of said gripping head (TP) in the transfer and deposit of said products (SP) to form a load with a preset order, and strapping means for performing a horizontal binding in correspondence of at least one of said wrapping stations, the strapping means comprising at least one strapping head and a respective launching and guiding track (1) of a strap (2), wherein said strapping means comprise a plurality of strapping heads (R), with respective annular launching and guiding track (1), installed in the proximity of each one of said wrapping stations (Sn), with each one of said strapping heads (R) there is associated a respective strap feeding assembly (A), and said strapping heads (R) and relative feeding assemblies (A) are arranged on a first side of said wrapping stations (Sn) which is parallel to said processing path (L).