Robot Arm Sheet Handling for Cardboard Reorientation and Feeding

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Solution Overview

Problem

Existing systems for handling cardboard sheets in automated production facilities are limited by the inability to handle large sheets, require overturning before printing, and cannot feed multiple packages side by side, leading to inefficiencies and increased costs.

Innovation Solution

A handling installation with independent first and second stations, utilizing a robot arm with clamping means to handle sheets in multiple axes, allowing for orientation and distribution optimization, and featuring conveyor belts and adjustable positioning means to facilitate sheet handling and distribution.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional handling systems are used for cardboard sheets, then the sheets can be processed through printing, but the sheets cannot be overturned and multiple packages cannot be fed side by side

Engineering Contradiction:

Improveability to handle different sheet orientations and multiple packagesVSAvoidcomplexity of handling system

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The robot arm is designed to perform multiple functions: it can pick up packages, overturn them, and deposit them in different orientations. This single device replaces what would traditionally require multiple specialized handling systems, enabling the facility to process sheets in various orientations and handle multiple packages side by side without increasing overall system complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The robot arm acts as an intermediary between the package receiving area and the printing facility. It mediates the transfer of packages, providing the capability to overturn and reorient sheets as needed, while isolating the printing facility from the complexity of handling operations

Inventive Principle:

Principle #24Intermediary (Mediator)

2Productivity

If digital printers are used to print from above the upper face of cardboard sheets, then continuous printing is possible, but the sheets must travel along their longest side which limits flexibility

Engineering Contradiction:

Improvecontinuous printing capabilityVSAvoidflexibility in sheet orientation

Core Design Contradiction:

ProductivityVSAdaptability or versatility

Solution Approach 1:

The robot arm performs preliminary actions by overturning and reorienting packages before they enter the printing facility. This allows sheets to be positioned in the optimal orientation for printing while maintaining the continuous printing capability of digital printers, as the orientation adjustment is completed in advance of the printing process

Inventive Principle:

Principle #10Preliminary action

3Manufacturing precision

If flexographic printing machines are used where rollers limit plate length, then printing can be performed, but plates must be introduced by the narrowest portion reducing handling options

Engineering Contradiction:

Improveprinting qualityVSAvoidhandling flexibility

Core Design Contradiction:

Manufacturing precisionVSEase of operation

Solution Approach 1:

The system introduces dynamic reorientation capability through the robot arm, which can adjust package orientation based on the specific requirements of the printing machine and the dimensions of the sheets. This dynamic adjustment allows optimal handling configurations to be selected for different sheet sizes and printing requirements, improving ease of operation while maintaining printing precision

Inventive Principle:

Principle #15Dynamics

4Adaptability or versatility

If known overturning systems are used in line with subsequent production units, then sheets can be unstacked, but large plates cannot be overturned and two packages side by side cannot be fed

Engineering Contradiction:

Improvecapability to handle large plates and multiple packagesVSAvoidcomplexity of overturning system

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical overturning systems with a robot arm that uses controlled movement and positioning to achieve the same function. This substitution allows the handling of large plates and multiple packages side by side, as the robot arm can precisely manipulate packages of various sizes without the mechanical constraints of traditional overturning systems

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS12534321B2Handling system for handling sheets of cardboard or similar material

Publication Date: 2026.01.27 COMERCIAL INDAL MAQUINARIA CARTON ONDULADO SA

AI summary

The present invention relates to a handling installation for handling sheets of cardboard or similar material applicable for implementation thereof in an automated production facility, comprising a first receiving station (1) configured to receive packages formed by cardboard sheets, each of the sheets being defined by four sides, and a second distribution station (2) in which the sheets are delivered face-down coming from the receiving station by means of sheet handling means. The first and second stations comprise modules that are independent from each other, the handling means comprising a robot arm provided with a head with clamping means to hold the package of sheets on any of the four sides, the head having a hinge point that can be coupled to a robot arm, capable of conveniently moving and orienting the clamping means in any of the coordinate axes, the robot arm being mounted on a base that is independent with respect to the first and second stations.