End Flap Engagement Assembly for Precise Carton Erection
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Solution Overview
Problem
Existing carton forming systems lack efficient mechanisms for engaging and erecting end flaps of cartons, particularly in the context of beverage container packaging, which can lead to suboptimal carton formation and stability.
Innovation Solution
A carton forming system incorporating an end flap engagement assembly with a driving apparatus, connecting member, and crank apparatus to contact and move end flaps of a carton blank, utilizing existing drive assemblies to facilitate the erection process without additional actuators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing carton forming systems use conventional mechanisms without dedicated end flap engagement, then device complexity is reduced, but carton formation precision and stability deteriorate
Solution Approach 1:
The end flap engagement assembly is integrated with the existing conveyor assembly, combining the functions of conveying and end flap engagement into a single unified structure. The engagement assembly utilizes the conveyor's motion and structural support, eliminating the need for completely separate mechanisms while achieving precise end flap control.
Solution Approach 2:
The conveyor assembly serves multiple functions: it conveys the carton blank through the system and simultaneously provides the structural framework and motion for the end flap engagement assembly. This multi-functionality reduces overall device complexity while maintaining precision in carton formation.
2Stability of the object's composition
If dedicated end flap engagement assembly is added to improve carton erection stability, then carton stability is improved, but device complexity increases
Solution Approach 1:
The end flap engagement assembly is merged with the conveyor assembly structure, where the conveyor provides both transport and engagement functions. This integration achieves improved carton stability without adding completely independent complex mechanisms.
Solution Approach 2:
The engagement assembly uses dynamic components including a crank apparatus that converts rotational motion into the desired engagement motion, and a connecting member with degrees of freedom that adapts to the carton's position. This dynamic design provides stable carton erection while maintaining flexibility and avoiding overly rigid complex structures.
3Manufacturing precision
If additional actuators are used to engage end flaps, then end flap engagement precision is improved, but use of energy and device complexity increase
Solution Approach 1:
The system merges the driving function into a single drive assembly that powers both the conveyor and the end flap engagement mechanism through the connecting member and crank apparatus. This eliminates the need for separate actuators, reducing energy consumption while maintaining engagement precision through the mechanical advantage of the crank mechanism.
Solution Approach 2:
The connecting member acts as an intermediary that transmits motion and force from the drive assembly to the engagement member. This intermediary mechanism translates rotational motion into precise engagement motion, achieving high precision without requiring multiple independent actuators, thereby reducing overall energy consumption.
4Productivity
If existing drive assemblies are utilized for end flap engagement, then productivity is improved by eliminating additional actuators, but manufacturing complexity increases
Solution Approach 1:
The system merges multiple functions into existing drive assemblies, where a single drive powers both conveyor motion and end flap engagement through the connecting member and crank mechanism. This integration improves productivity by eliminating additional actuators and simplifies manufacturing by reducing the number of components that need to be sourced and assembled.
Data Source
AI summary
A method of at least partially erecting a carton includes loading a blank in a blank infeed assembly, the blank having a plurality of panels and a plurality of end flaps foldably connected to a respective panel of the plurality of panels. The method further includes positioning the blank on at least one conveyor assembly configured to move the blank in a downstream direction, operating the at least one conveyor assembly to move the blank in the downstream direction toward a carton erection assembly, the carton erection assembly including an end flap engagement assembly positioned adjacent the at least one conveyor assembly, and activating the end flap engagement assembly such that a portion of the end flap engagement assembly contacts and moves at least one end flap of the plurality of end flaps of the blank as the blank moves in the downstream direction.