Automated Book Covering Machine with Temperature-Controlled Cutting Tool
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Solution Overview
Problem
Existing machines for applying flexible thermoplastic covers to paper articles, such as books, require significant manual intervention and lack precise temperature control, leading to inefficiencies and inaccuracies in the cutting and heat-sealing process.
Innovation Solution
A machine with automated cutting and heat-sealing capabilities, featuring a heatable cutting tool with temperature control via a thermocouple and programmable control means to define the operating position and time, minimizing manual effort and ensuring accurate temperature regulation for various thermoplastic materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual operation of the blade is used, then the device complexity is reduced, but the extent of automation deteriorates
Solution Approach 1:
The patent replaces manual mechanical operation with an automated electromechanical system. A linear electro-mechanical actuator substitutes for manual lever operation, automatically translating the blade between working and non-working positions based on programmed heating cycles, thereby increasing automation while maintaining manageable device complexity through integrated control.
Solution Approach 2:
The system performs automated control where the heating cycle programming automatically triggers blade translation and positioning without continuous manual intervention. The electro-mechanical actuator self-regulates the blade movement timing and position based on the programmed thermal cycle, enabling the system to serve itself through automated sequencing.
2Device complexity
If simple timer-based heating cycles are used, then the device complexity is reduced, but the manufacturing precision deteriorates
Solution Approach 1:
The patent implements temperature feedback control where a temperature sensor continuously monitors the blade's thermal state and feeds this information back to the control system. This allows the heating cycle to be adjusted in real-time based on actual temperature conditions, ensuring precise thermal processing of the thermoplastic material while maintaining programmable automation.
Solution Approach 2:
The system dynamically adjusts heating parameters (temperature, time, power level) based on feedback from temperature sensors and the specific requirements of different thermoplastic materials. The control system modifies thermal cycle parameters to optimize sealing quality for various materials, achieving high manufacturing precision through adaptive parameter control.
3Ease of operation
If blade translation is performed without temperature monitoring, then the ease of operation is improved, but the manufacturing precision deteriorates
Solution Approach 1:
The control system continuously monitors blade temperature through feedback from temperature sensors and automatically coordinates blade translation timing with optimal temperature conditions. This eliminates the need for manual temperature assessment while ensuring precise thermal processing, thereby maintaining ease of operation through automated control while achieving high manufacturing precision.
Solution Approach 2:
Manual temperature judgment and timing control are replaced by an automated electromechanical system that integrates temperature sensing, processing control, and blade actuation. The system automatically determines optimal translation timing based on real-time temperature data, eliminating manual intervention while ensuring precise manufacturing outcomes.
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 machine achieves high automation and precise temperature control, resulting in efficient, long-lasting heat seals with minimal manual intervention and optimal performance across different materials and conditions.
Implementation Method 1
a thermocouple (112') applied on the blade (112)
Implementation Method 2
a bar (110') provided with a heatable cutting tool (112)
Implementation Method 3
able to assume an operating position, in contact with the sheet... for the heat sealing
Data Source
Figure 1~2A
Figure 2B~3
Figure 4~5A
AI summary
The present invention concerns a machine (10) for covering paper articles (1) with a sheet (2) of flexible thermoplastic material, comprising: ·cutting means (110), comprising a bar (110') provided with a heatable cutting tool (112) able to assume an operating position, in contact with the sheet (2), and a non-operating position, outside contact with the sheet (2); ·control means (120), able to determine the operating position of the cutting tool (112) for heat sealing and/or cutting the sheet (2). The machine (10) furthermore comprises means for controlling the temperature of the cutting tool, operatively connected with the control means (120) to determine the operating position when a pre-defined temperature threshold is reached by the cutting tool.