Edge Banding Corner Pressing Device for Complex Geometries
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Solution Overview
Problem
Existing edge banding units are not suitable for workpieces with complex geometries, particularly inside corners, as they cannot penetrate fully and often cause damage to the edge material, especially at high processing speeds.
Innovation Solution
An edge banding unit with a corner pressing device featuring intersecting corner pressing surfaces that can separate from the edge material, allowing for high-speed processing without damage, and enabling precise attachment in inside corners, using a combination of rolling and movable corner pressing elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a pressing element is used to penetrate inside corners, then the ability to process complex geometries is improved, but the risk of damage to edge material increases
Solution Approach 1:
The pressing device is divided into two distinct elements: a corner pressing element with intersecting surfaces for inside corners, and a rolling pressing element for straight sections. This segmentation allows each element to be optimized for its specific function, enabling complex geometry processing while preventing damage through appropriate element selection
Solution Approach 2:
The pressing device transitions from static to dynamic operation by alternating between the corner pressing element and the rolling pressing element based on the workpiece geometry. The system adapts its pressing mechanism in real-time, using the corner element when needed and the rolling element for straight sections, thereby processing complex geometries without damaging the edge material
2Adaptability or versatility
If a triangular pressing element is used to penetrate inside corners, then the ability to process inside corners is improved, but the processing speed decreases and edge material damage increases
Solution Approach 1:
The pressing function is segmented into a corner pressing element for inside corners and a rolling pressing element for straight sections. This allows the system to use the efficient rolling mechanism for most of the workpiece, maintaining high processing speed, while only engaging the corner element when inside corners are encountered
Solution Approach 2:
The pressing device operates periodically by alternating between the corner pressing element and the rolling pressing element based on the geometry of the workpiece. This periodic switching enables the system to maintain high overall processing speed while still being capable of processing inside corners when required
3Productivity
If pressure rollers are used to press edge material, then processing speed is maintained, but the ability to penetrate inside corners is lost
Solution Approach 1:
The pressing device merges two previously separate solutions into a single integrated system: the corner pressing element with intersecting surfaces and the rolling pressing element. This combination allows the device to maintain high processing speed through the rolling mechanism while gaining the ability to process inside corners through the corner element, resolving the contradiction between speed and adaptability
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
Enables high-quality and rapid edge joint formation in complex geometries, including inside corners, with low risk of damage to the edge material, even at high speeds, and is suitable for thick edges that cannot be deflected, achieving a clean and flush joint.
Implementation Method 1
the at least one pressing element rolls on the edge material to be pressed against a workpiece
Data Source
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AI summary
The apparatus has a corner pressing device (40) comprising a corner pressing element (42) with corner pressing surfaces. The surfaces are cut into each other below an angle, and the corner pressing element is provided in such a manner that the element is separated by an edge material (2) pressed on a workpiece (4). A pressing element (32) rolls up on the edge material, and the corner pressing element sectionally surrounds the pressing element. An independent claim is also included for a method for gluing an edge material on a workpiece.