Vacuum Withdrawal System for Open-Top Packaging Box Item Extraction
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Solution Overview
Problem
Existing packaging systems are inefficient for automatically removing and aligning items from packaging boxes with open tops, particularly in manufacturing processes where multiple items need to be extracted in a specific direction, leading to increased labor and costs.
Innovation Solution
A system comprising a conveyor, fixing means, withdrawal means, item transfer means, and box transfer means that automatically extracts items from a packaging box with an open top, aligns them, and transfers them to a subsequent process, while also handling the empty packaging box without operator intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual operation is used to take items out of packaging boxes, then flexibility and adaptability are maintained, but labor cost and time consumption increase significantly
Solution Approach 1:
The automation system is divided into distinct functional modules: a conveyor module for transporting packaging boxes, a withdrawal module for extracting items, and a transfer module for moving items to the next process. This segmentation allows each module to be optimized independently while maintaining overall system efficiency, resolving the contradiction between productivity improvement and system complexity.
Solution Approach 2:
The automated withdrawal system is designed with universal components that can handle multiple packaging box types and item configurations. The conveyor and withdrawal mechanisms are configured to accommodate various item orientations and packaging formats, enabling the system to maintain high productivity across different production scenarios without requiring complete system redesign.
2Manufacturing precision
If items are extracted without directional control, then extraction speed increases, but alignment precision for subsequent processes deteriorates
Solution Approach 1:
The system performs preliminary alignment actions during the item withdrawal process itself. The transfer module is configured to orient items in a specific direction as they are transferred from the packaging box to the conveyor, ensuring that alignment precision is established before items enter the next manufacturing process. This preliminary orientation action maintains extraction speed while achieving the required alignment precision.
3Reliability
If packaging boxes are not fixed during item withdrawal, then system simplicity is maintained, but item extraction reliability deteriorates due to box movement
Solution Approach 1:
The fixing mechanism employs dynamic elements that can be activated only when needed during the item withdrawal process. The packaging box is held stationary by the fixing mechanism during item extraction, then released to be transferred by the conveyor. This dynamic fixing approach ensures extraction reliability while avoiding the complexity of a permanently engaged fixing system, as the mechanism only operates during the brief withdrawal phase.
Data Source
AI summary
A system for taking out items wrapped in a packaging film and accommodated in a packaging box with an open top. The system includes a first conveyor configured to transfer a packaging box accommodating items therein, a fixing device for fixing, at a withdrawal position where the items are taken out of the packaging box, the packaging box transferred by the first conveyor with its top open, a withdrawal device for moving to a space in which the items are accommodated in the packaging box so as to suck the same using vacuum suction and take out the same, an item transfer device for transferring the items taken out by the withdrawal device with the items placed on the item transfer device, and a box transfer device for transferring an empty packaging box from which the items are taken out.