Mailpiece Stacking and Container Loading Mechanism
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Solution Overview
Problem
High-volume mailpiece inserters produce large quantities of mailpieces, leading to physically demanding and inconsistent manual collection and removal processes, which can strain operators and disrupt throughput.
Innovation Solution
A mailpiece handling apparatus comprising a stacking assembly and a combined support/conveyor system that aligns and stacks mailpieces, repositions containers for efficient loading, and conveys them without human intervention, using a diverter assembly, elevator belts, and a loading mechanism to transfer stacks into containers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual collection and removal of mailpieces is used, then operational flexibility is maintained, but physical strain on operators increases and throughput consistency deteriorates
Solution Approach 1:
The system enables self-service through automated stacking and containerization. Mailpieces are automatically stacked in organized sequences and loaded into containers without manual intervention, allowing the system to serve itself and eliminating the need for operators to manually handle individual mailpieces, thereby maintaining operational flexibility while ensuring consistent throughput
2Productivity
If manual mailpiece removal is used, then labor requirements are reduced, but physical workload on operators increases
Solution Approach 1:
The invention introduces containers as intermediaries between the stacking mechanism and final mailpiece removal. These containers automatically collect and hold stacks of mailpieces, serving as a buffer that decouples the high-speed automated stacking process from manual removal operations. This intermediary system allows the system to handle large volumes of mailpieces consistently while keeping physical workload on operators manageable by eliminating the need to manually handle individual mailpieces
3Reliability
If automated stacking and containerization is implemented, then throughput consistency is improved, but device complexity increases
Solution Approach 1:
The system is segmented into distinct functional modules: a stacking assembly for organizing mailpieces, a containerization system for holding stacks, and a conveyor system for transport. This segmentation allows each component to perform its specific function independently, simplifying the overall system design while maintaining automated throughput consistency. The modular approach makes the complex automated system more manageable and easier to implement
4Device complexity
If manual mailpiece handling is used, then operational simplicity is maintained, but labor costs and time requirements increase
Solution Approach 1:
The automated stacking and containerization system operates continuously without interruption. Mailpieces are constantly being stacked, organized, and loaded into containers as they are produced by the inserter, eliminating the stop-start nature of manual handling. This continuous operation reduces the time required for mailpiece handling while maintaining operational simplicity through automation
Data Source
AI summary
An apparatus for handling mailpieces produced by a mailpiece insertion system, comprising at least one mailpiece stacking assembly and a combination support/conveyor deck. The mailpiece stacking assembly accepts a plurality of mailpieces, i.e., as they are created by a mailpiece insertion system, and aligns the mailpieces to define a mailpiece stack. The support/conveyor deck is operative to convey mailpiece containers along a mailpiece handling path and includes loading and transport sections. The loading section is, furthermore, adapted to alternately reposition each of the mailpiece containers from an in-plane position to an out-of-plane position relative to the mailpiece handling path. The in-plane position is operative to transport the mailpiece containers along the mailpiece handling path while the out-of-plane position is operative to spatially reposition each of the mailpiece containers for alignment with a side edge of the mailpiece stack. That is, the loading section is capable of repositioning the mailpiece container such that its open end is proximal to and ready to receive the mailpiece stack. A loading mechanism is then employed to engage a side edge of the mailpiece stack for urging the stack into the open end of the mailpiece. That is, when the loading section has accurately repositioned the mailpiece container into alignment with the mailpiece stack, the loading mechanism may then displace and load the stack into the container.