Tray Portion Arrangement Control for Precise Sealing Alignment
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Solution Overview
Problem
Existing methods fail to consistently achieve a predetermined shape, size, and position of portions on packaging elements due to various influencing factors, leading to issues such as uneven spacing, lateral offset, and improper placement, which can hinder sealing and aesthetic appeal.
Innovation Solution
A method and packaging device that uses sensors to determine the actual arrangement of portions on packaging elements and adjusts production parameters of upstream units to ensure the portions meet predefined target arrangements within specified tolerances, using a control system to correct deviations in size, shape, and position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If high-performance slicing machine operates at high speed with multiple tracks, then productivity is improved, but manufacturing precision of portion arrangement deteriorates due to centrifugal force, adhesion, and non-constant accelerations
Solution Approach 1:
A camera system captures images of portions on the packaging element to detect their actual position, shape, and size. The control system processes this image data and automatically adjusts production parameters (blade position, conveyor speed, portioning belt position) to correct deviations from target specifications, creating a closed-loop feedback system that maintains precision at high speeds
Solution Approach 2:
The system dynamically adjusts production parameters in real-time based on detected portion characteristics. The control system modifies blade position, conveyor belt speeds, and portioning belt positioning dynamically to compensate for variations caused by high-speed operation, centrifugal force, and adhesion effects
2Adaptability or versatility
If multiple conveyor belts and buffer are used for portion transport, then adaptability is improved, but manufacturing precision deteriorates due to additional transfers causing changes in portion size, shape and position
Solution Approach 1:
The camera system detects portion characteristics after all transport operations are complete. The control system uses this feedback to identify which transport stage caused deviations and adjusts parameters for subsequent portions to compensate for the cumulative effects of multiple conveyor transfers and buffer storage
Solution Approach 2:
The system performs preliminary detection of portion characteristics early in the process and makes proactive adjustments to transport parameters before portions undergo subsequent transfers, anticipating and preventing precision degradation from multiple conveyor belt interactions
Data Source
AI summary
In order to achieve that portions are visually appealing, i.e., centered, with uniform slice distance in a longitudinal direction and also not differing too much in a transverse direction and in particular not resting on a sealing edge of a trough, the corresponding actual arrangement of a portion is determined directly in a packaging machine by means of a camera and, if deviation from a target arrangement is too great, production parameters are changed in an upstream portion production unit, in particular a portioning belt and/or a cutting unit of a slicing machine, and/or an upstream portion delivery unit and/or an upstream package delivery unit.