Conveyor Belt Alignment for Stacking Cans
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Solution Overview
Problem
Existing palletizing equipment often results in disorderly or overlapping stacks of cans due to misalignment between layers, leading to inefficiencies, time losses, and potential damage to items, especially when voids occur at the edges of the underlying layer.
Innovation Solution
The equipment employs a conveyor belt system with multiple rollers and a countering element with a corrugated profile, allowing for precise alignment and movement of cans through varying speed portions and a trapdoor mechanism to manage layer formation, ensuring accurate positioning and stacking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If conventional palletizing equipment is used to stack cans, then the stacking process can be automated, but misalignment between layers occurs leading to disorderly or overlapping stacks
Solution Approach 1:
A guide element is introduced as an intermediary component between the conveyor belt and the cans. This guide element extends into the array of cans and maintains a predetermined distance from the feed front, serving as a reference that ensures proper positioning and alignment of cans as they are stacked, thereby preventing misalignment between layers
Solution Approach 2:
The patent replaces complex mechanical alignment mechanisms with a simpler guide element system. Instead of using multiple actuators or complex positioning mechanisms, a single guide element with a specific geometric profile is used to automatically guide the cans into the correct position, reducing mechanical complexity while maintaining precision
2Quantity of substance
If cans are stacked in a dense array to optimize space, then the number of cans per pallet is maximized, but voids at the edges lead to stacking disorders and potential damage
Solution Approach 1:
The guide element is positioned in advance at a predetermined distance from the feed front of the cans. This preliminary positioning ensures that even before the cans are fully stacked, the guide element is already in place to prevent misalignment, addressing potential stacking issues before they occur
Solution Approach 2:
The guide element has a specific geometric profile designed to interact with the local characteristics of the can array, particularly addressing the voids at the edges. The guide element's shape and position are optimized to provide localized support and alignment where it is most needed - at the boundaries of the can array where misalignment is most likely to occur
Data Source
AI summary
Equipment for stacking and arranging items according to a predetermined order on a platform includes at least:one conveyor belt extending along a feed direction;one plurality of rollers arranged transversely to the feed direction;the conveyor belt being combined with the rollers so that rotation of the rollers in a way causes rotation of the conveyor belt in the same way;one first roller of the plurality of rollers being driven by a motor for driving the rotation of the conveyor belt;one transmission assembly for transmitting the motion from the motor to the driven roller;the conveyor belt including at least a first central and at least two side portions opposed with respect to the central portion; the central portion moving at a speed v1 along the feed direction, the first side portion moving at a speed v2 along the feed direction; and v2>v1.