Segmented Laser Etching for High-Speed Confectionery Conveyors
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Solution Overview
Problem
Laser-etching processes in confectionary production are time-consuming and inefficient due to the need for rapid production of laser-etched products, requiring complex systems that must convey products quickly enough to avoid slowing down production.
Innovation Solution
A conveyor system with a rotating transport path, a laser system that produces beam segments for etching, a smoke extraction system, and a user interface for controlling the system, allowing for efficient laser-etching of objects at high rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If laser-etching is used to create prints or designs on confectionary products, then manufacturing precision and product customization are improved, but the production time increases and productivity decreases
Solution Approach 1:
The laser beam is segmented into multiple beam segments that can simultaneously etch multiple products or different portions of products. This segmentation allows parallel processing, maintaining high etching precision while significantly increasing the overall production rate by processing multiple items concurrently rather than sequentially
Solution Approach 2:
The system transitions from a single-point laser etching approach to a multi-point parallel etching approach by introducing multiple beam segments. This dimensional expansion in the processing space allows simultaneous etching across multiple products, resolving the contradiction between precision and productivity
2Productivity
If a complex laser system is implemented to achieve high-speed etching, then productivity increases, but device complexity increases
Solution Approach 1:
The laser system is designed with multi-functionality, where a single laser source can generate multiple beam segments that serve different etching functions simultaneously. This universal design allows the system to maintain high productivity through parallel processing while avoiding the need for multiple separate laser systems, thereby controlling device complexity
3Productivity
If the conveyor system moves products quickly through the laser-etching zone, then productivity increases, but the laser system must be made more complex to maintain etching quality
Solution Approach 1:
The laser beam segments are pre-positioned and pre-synchronized to correspond with the product positions on the conveyor belt before the etching process begins. This preliminary arrangement of beam segments ensures that as products move quickly through the etching zone, each beam segment is already in the correct position to etch its target, maintaining etching quality without requiring complex real-time adjustment mechanisms
Solution Approach 2:
The laser system incorporates dynamic capabilities where the beam segments can be rapidly adjusted and repositioned to match product positions and speeds. This dynamic adaptation allows the system to handle varying conveyor speeds and product positions while maintaining etching quality, resolving the contradiction between high transit speed and etching quality
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
The system enables high-speed laser-etching of confectionary products, achieving production rates of up to 750,000 objects per hour while maintaining a compact footprint and ensuring efficient sorting and smoke removal.
Implementation Method 1
Laser-etching uses laser energy to target, ablate, and remove at least part of a substrate included in a given confectionary product
Data Source
AI summary
A system may include a conveyor system that transports objects on a transport path from a first end to a second end by rotating about a first axis in a transporting direction. A system may include an inlet adjacent to the first end to group the objects for transportation on the conveyor system. A system may include an outlet adjacent to the second end to sort the objects by separating incomplete objects from whole objects. A system may include a laser system configured to interact with the objects while the objects are on the transport path between the first end and the second end. The laser system may produce a plurality of beam segments such that each beam segment is configured to laser-etch an outer surface of an object.