Packaging Box Alignment via Retractable Stop Element
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Solution Overview
Problem
Existing technologies face challenges in aligning cuboid packaging boxes accurately, especially at high transport speeds, which affects the proper application of labels and security features.
Innovation Solution
A conveyor facility with a first and second funding unit, along with at least one stop element, is used to align packaging boxes. The stop element is moved between a first position protruding into the transport path and a second position where it does not protrude, allowing the aligned packaging box to be released for further transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If packaging boxes are conveyed at high transport speeds, then productivity is improved, but alignment precision deteriorates
Solution Approach 1:
The method applies preliminary action by aligning the packaging box before the labeling operation. The stop element is positioned in advance to correct any misalignment of the packaging box sides relative to the conveying direction, ensuring that when the box reaches the labeling position, it is properly aligned even after high-speed transport
Solution Approach 2:
The stop element acts as an intermediary between the high-speed conveying system and the precision labeling requirement. It temporarily interrupts the box's motion to enforce alignment, then releases it to continue at high speed, mediating between the conflicting requirements of speed and precision
2Manufacturing precision
If a complex separate control of conveyor belts is used to align packaging boxes, then alignment precision is improved, but device complexity increases
Solution Approach 1:
The method extracts the alignment function from the complex conveyor belt control system. Instead of using separate controls for multiple conveyor belts, a single stop element is introduced to perform the alignment function independently, simplifying the overall control architecture
Solution Approach 2:
The stop element enables self-service alignment by allowing the packaging box to align itself against the stop during conveyance. The box's own motion and geometry are utilized to achieve proper alignment without requiring complex external control mechanisms
Data Source
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AI summary
The inventive method for aligning cuboid packaging boxes (1) comprises conveying packaging boxes (1) along a transport path (24) by means of a conveying device (22) and aligning each packaging box (1) by means of at least one stop element (34) which is arranged in the area of the conveying device (22).The alignment process comprises positioning the at least one stop element (34) in a first position in which the at least one stop element (34) projects into the transport path (24); conveying the packaging box (1) against the at least one stop element (34) until all sections of the packaging box (1) adjacent to the at least one stop element (34) are in contact with it; moving the at least one stop element (34) from the first position into a second position in which the at least one stop element (34) does not project into the transport path (24), thereby releasing the aligned packaging box (1) for further transport in the conveying direction (F).