Discharge Belt Synchronous Unloading for Parcel Containers
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Solution Overview
Problem
Existing unloading devices are inadequate for safely unloading a large number of piece goods, such as parcels, from transport containers as they often result in damage due to collision and require manual handling, which is inefficient and costly.
Innovation Solution
A method and device that partially opens the transport container's filling opening to create an unloading opening, using a pull-off strap and discharge belt to gently guide piece goods out, reducing the risk of collision and damage by controlling the fall height and speed, and allowing for automated unloading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If packages are unloaded by tilting the transport container onto a conveyor belt, then unloading speed is improved, but packages collide and get damaged
Solution Approach 1:
A discharge belt is introduced as an intermediary element between the transport container and the conveyor belt. This discharge belt moves synchronously with the transport container during tilting, providing a controlled surface that gradually releases packages onto the conveyor belt, preventing direct collision and damage while maintaining efficient unloading speed.
2Productivity
If the filling opening is fully opened for unloading, then unloading capacity is improved, but piece goods fall too far and get damaged
Solution Approach 1:
The discharge belt is designed to move dynamically together with the transport container during the tilting process. This dynamic movement ensures that the discharge opening remains at an optimal position, allowing piece goods to be discharged gradually at a controlled height rather than falling freely from the top of the container, thus preventing damage while maintaining unloading capacity.
3Object-affected harmful factors
If manual handling is used to unload packages, then package damage is reduced, but unloading time and costs increase
Solution Approach 1:
The system enables automated unloading where the transport container itself, through controlled tilting and synchronous movement of the discharge belt, performs the unloading function. This self-service mechanism eliminates the need for manual handling while maintaining gentle package discharge, thus reducing both unloading time and costs without increasing package damage.
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
Enables safe, efficient, and automated unloading of a large number of piece goods without damage, reducing unloading time and costs, and allowing for quicker processing and sorting, thereby improving logistics and reducing warehousing needs.
Implementation Method 1
The discharge belt (12) is moved in a synchronous manner with the transport container (16)
Implementation Method 2
The transport container (16) is tilted in such a way that at least one unit load (38) is dumped onto the discharge belt (12) via the unloading opening (26)
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
Opening of the transport container (16) is commenced high up in a container wall. An opening is formed by only slight lowering of the moving upper edge (28) from an initial position near the top (20). An extraction conveyor belt (12) is positioned at the high opening. The container is tilted to remove packages. The edge (28) and end of the belt adjacent to it are moved downwardly towards the lower edge (22) of the container. An independent claim IS INCLUDED FOR corresponding package unloading equipment.