Sheet Laminating Machine With Feedback Alignment and Tension Control
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Solution Overview
Problem
Existing laminating technologies face challenges in cutting sections from a material web with precision, leading to potential waste and machine disruption, while ensuring high precision and minimizing damage to sheets during the lamination process.
Innovation Solution
A method involving a processing machine with a separating device, including clamping devices, web edge aligners, and tension control, allows for precise alignment and lamination of sheets, using roll changers for unwinding laminating material, and incorporating sensors for error detection and control to prevent waste and damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If cutting sections from a material web is performed without advanced control systems, then the device complexity is reduced, but manufacturing precision and reliability deteriorate due to potential waste and machine disruption
Solution Approach 1:
The patent implements feedback control through sensors that detect the position of sheets and cutting points, and adjust the cutting device accordingly. The control system receives information from sensors about sheet position and web tension, then automatically adjusts cutting parameters to maintain precision without requiring complex manual intervention
Solution Approach 2:
The patent replaces manual mechanical cutting operations with an automated control system that uses sensors and actuators. The cutting device is controlled through electronic signals based on sensor feedback, substituting complex mechanical adjustment mechanisms with a more manageable electronic control system
2Manufacturing precision
If sheets are laminated without web tension control, then the device complexity is reduced, but manufacturing precision deteriorates due to misalignment and poor bond quality
Solution Approach 1:
The patent uses web tension control devices with sensors that continuously monitor the tension state of the material web during lamination. The control system adjusts web tension in real-time based on sensor feedback to maintain proper alignment and bond quality without requiring complex manual tensioning operations
Solution Approach 2:
The web tension control system automatically adjusts and maintains optimal tension levels during the lamination process without requiring external intervention. The system self-regulates tension based on detected conditions, eliminating the need for complex manual adjustment mechanisms
3Productivity
If roll changers are not used for unwinding laminating material, then the device complexity is reduced, but productivity deteriorates due to slower material changes and machine disruption
Solution Approach 1:
The patent implements roll changers that allow pre-positioning and quick exchange of laminating material rolls. The system prepares for material changes in advance by maintaining ready rolls and using automated positioning mechanisms, enabling rapid roll changes without stopping the lamination process
Solution Approach 2:
The roll changer system provides dynamic adaptability for quick roll exchanges during operation. The mechanism allows the material supply system to dynamically switch between different rolls without disrupting the continuous lamination process, maintaining high productivity
4Reliability
If sensors for error detection are not implemented, then the device complexity is reduced, but reliability deteriorates due to undetected errors and potential machine damage
Solution Approach 1:
The patent implements sensors that continuously monitor the lamination process for errors such as misalignment, web breaks, or quality defects. The control system receives feedback from these sensors and automatically responds by adjusting process parameters or stopping the machine to prevent damage, maintaining high reliability without requiring complex manual monitoring
Data Source
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AI summary
The invention relates to a laminating machine (01), wherein the laminating machine (01) has at least one material source (100), configured as a sheet feeder (100), for sheets (03) of a material (02) to be laminated, and wherein the laminating machine (01) has at least one imbricating device (200; 206; 207; 208) for arranging on unlaminated sheets (03) in an imbricated manner with respect to one another, and wherein the laminating machine (01) has at least one laminating unit (310) for producing a laminated material web (02) from the sheets (03), wherein at least one thickness control device (354) is arranged along a transport path which is provided for the laminated material web (02) downstream of the at least one laminating unit (310), the control region of which thickness control device (354) intersects at least partially with the transport path which is provided for the laminated material web (02).