Carton Decasing System With Inverting Assembly
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Solution Overview
Problem
Current automated systems for removing cartons from their cases often require manual intervention, leading to repetitive strain injuries and inefficiencies due to the difficulty in maintaining cartons in an ordered stack and preventing cartons from being lifted with the case, causing friction-related dislodgment.
Innovation Solution
An automated system comprising an inverting assembly and a carton decasing assembly with adjustable guides and containment rods that reorient and compress cartons to maintain them in a stacked configuration during removal from cases, preventing frictional dislodgment and enabling efficient transfer to a magazine conveyor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual removal of cartons from cases is performed, then workers can handle the cartons, but repetitive strain injuries occur and operational efficiency decreases
Solution Approach 1:
The system enables self-service automated carton removal where the decasing assembly automatically performs the removal operation without requiring manual worker intervention. The containment rods and gripping mechanisms work autonomously to extract cartons from cases, eliminating the need for workers to manually handle heavy carton loads and thereby resolving the contradiction between ease of operation and productivity.
Solution Approach 2:
The patent replaces the manual mechanical system with an automated mechanical system. The decasing assembly uses mechanically actuated containment rods, gripping lugs, and conveyor mechanisms to perform carton removal, substituting human physical labor with automated mechanical operations. This increases productivity while maintaining operational capability.
2Reliability
If cartons are removed from cases using friction-based gripping, then cartons can be held, but cartons become dislodged due to friction between carton edges and case walls
Solution Approach 1:
The patent extracts the harmful frictional contact between carton edges and case walls by introducing containment rods that pass through notches in the case walls. The rods engage cartons at multiple points along their length, distributing the holding force and eliminating concentrated friction at the edges. This prevents dislodgment while maintaining reliable carton stacking stability during the removal process.
Solution Approach 2:
The containment rods act as intermediary elements between the case and the cartons. Instead of direct friction-based gripping between cartons and case walls, the rods mediate the interaction by engaging through notches and providing distributed contact points. This intermediary mechanism eliminates the harmful frictional dislodgment while maintaining reliable holding and stacking stability.
3Extent of automation
If automated removal systems are implemented, then manual labor is reduced, but device complexity increases
Solution Approach 1:
The automated removal system is segmented into distinct functional modules: the decasing assembly with containment rods and gripping lugs, the magazine conveyor for transport, and the inverting assembly for reorientation. Each module performs a specific function and can be independently controlled. This segmentation achieves high extent of automation while managing device complexity through modular functional division.
Solution Approach 2:
The decasing assembly is designed with universal multi-functionality, where the containment rods and gripping mechanisms can handle various carton sizes and configurations. The system performs multiple functions including gripping, holding, transporting, and inverting cartons using integrated mechanisms. This multi-functionality achieves comprehensive automation while reducing overall system complexity by combining operations into unified assemblies.
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
The system automates the removal of cartons from cases, reducing manual handling and repetitive strain injuries, while maintaining cartons in a stacked and aligned configuration, thereby enhancing operational efficiency and safety.
Implementation Method 1
The gripping lugs are pivoted into engagement with the cartons, moving or passing through the recesses or gaps formed in the cases so as to engage and compress the stack of cartons inwardly
Implementation Method 2
The extensible containment rods can be received between the foremost and rearmost cartons of the stack of cartons and the front and rear side walls of their case so as to hold the cartons in a stacked configuration
Implementation Method 3
As the inverter head is rotated or pivoted about its support frame, the cases with the cartons stacked therein are correspondingly reoriented and are deposited on a downstream magazine or stacking conveyor
Data Source
AI summary
A carton decasing system for removing stacks of cartons or carton blanks from cases or containers includes a case infeed conveyor on which the cases with the cartons or carton blanks stacked therein are moved to an inverting assembly. The inverting assembly reorients the cases and places the cases with the cartons stacked therein on a decasing assembly which removes the cases from the stacks of cartons. The stacks of cartons are thereafter conveyed along a magazine conveyor with the stacks of cartons supported by a stack pusher assembly as the cartons are moved to a discharge point at the distal end of the magazine conveyor.