Laminating Apparatus with Detachable Sheet Feed and Corner Cutting
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Solution Overview
Problem
Existing laminating apparatuses face issues with complex and costly structures, requiring precise adjustments for film heating and braking, and pose risks due to sharp corners, necessitating post-processing to make laminated objects safe for use.
Innovation Solution
A laminating apparatus with a simple structure featuring a detachable film supply unit, adjustable slipping brakes, and a cutting mechanism that allows for simultaneous corner cutting during object conveyance, using a movable blade with a taper and arcuate shape to ensure safe and efficient processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a movable guide roller mechanism is used to increase film winding around the heating roller, then film heating is sufficient, but the structure becomes complicated and costly
Solution Approach 1:
The film is preliminarily wound around the heating roller by manually opening the sheet feed unit and guiding the film before closing the unit. This preliminary action eliminates the need for complex movable guide roller mechanisms while ensuring sufficient film heating during operation.
2Force
If a brake mechanism is applied to control film drawing, then film tension is controlled, but the structure becomes complicated and requires skill to set
Solution Approach 1:
The friction between the counter roller and film automatically provides the necessary tension control without requiring an external brake mechanism. The operator simply needs to adjust the pressing force of the counter roller, which is simpler than complex brake systems and does not require specialized skill to set.
3Productivity
If four corners of the film are left sharp after lamination, then processing is simple, but the laminated object cannot be used immediately due to safety risks
Solution Approach 1:
The corner cutting is performed preliminarily during the lamination process itself, rather than as a separate post-processing step. The cutting blade automatically trims the four corners of the laminated object as it passes through the device, eliminating sharp edges while maintaining production efficiency.
4Ease of operation
If the sheet feed unit is made detachable for easy film loading, then ease of operation improves, but structural complexity increases
Solution Approach 1:
The sheet feed unit is segmented from the main body as a detachable component. This allows the operator to easily remove and reattach the sheet feed unit for film loading, while the segmentation is designed to be simple and intuitive, minimizing the increase in overall structural complexity.
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 apparatus ensures reliable film heating, precise tension control, and automatic corner cutting, reducing production defects and enabling immediate use of laminated objects without sharp edges, while maintaining processing speed and efficiency.
Implementation Method 1
a heating roller that heats the film
Implementation Method 2
a pressing roller that presses the heated film to perform press-bonding
Implementation Method 3
a counter roller configured to abut the roller or the pad of the film supply unit... the film is sandwiched between the roller or the pad of the film supply unit and the counter roller
Data Source
AI summary
A laminating apparatus, in which films can be heated sufficiently, has a simple structure and allows films to be loaded easily. The laminating apparatus includes a sheet feed mechanism unit configured to convey a sheet into an apparatus main body, a film supply unit, and a press-bonding mechanism unit configured to perform a thermal press-bonding process while sandwiching the sheet between a pair of films. A sheet feed unit including the sheet feed mechanism unit is appropriately changeable between an open state and a closed state. The film supply unit includes rollers at supply positions where the films sufficiently wind around heating rollers of the press-bonding mechanism unit. The sheet feed unit includes counter rollers configured to abut the rollers in the closed state and separate from the rollers in the open state.