Panel Cutting Vacuum Holding for Multi-Panel Separation
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Solution Overview
Problem
Existing cutting machines with robotic manipulators can only handle one panel at a time due to high adhesion between panels with smooth and glossy surfaces, leading to unreliable panel detachment and production losses, especially when cutting schemes require multiple panels.
Innovation Solution
A cutting machine with a panel support plane that uses pneumatic vacuum holding to securely hold the lower panel in a stack while the robotic manipulator handles the upper panel, ensuring reliable and fast handling of multiple panels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a robotic manipulator with suction cups is used to handle panels, then automation and precision are improved, but productivity deteriorates because only one panel can be handled at a time
Solution Approach 1:
The patent combines multiple panels into a single stack that is handled as one unit by the robotic manipulator. The stack is formed by stacking multiple panels vertically, and the suction cups grip the entire stack simultaneously, allowing multiple panels to be transported and positioned in one operation rather than handling them individually.
Solution Approach 2:
The patent transitions from horizontal panel arrangement to vertical stacking. By stacking panels in the vertical dimension, the system can grip and move multiple panels simultaneously using the suction cups, effectively utilizing the vertical space to increase handling capacity without changing the horizontal workspace.
2Productivity
If panels are stacked vertically for simultaneous handling, then productivity is improved, but reliability deteriorates due to high adhesion between panels with smooth and glossy surfaces
Solution Approach 1:
The patent introduces an intermediary element (such as a release paper or protective film) between the panels in the stack. This intermediary layer reduces the adhesion between smooth and glossy panel surfaces, preventing them from sticking together excessively and ensuring reliable detachment when needed during the handling process.
Solution Approach 2:
The patent modifies the surface properties of the panels by introducing a layer that changes the adhesion parameters. This layer alters the friction and bonding characteristics between panels, making the stack manageable and allowing controlled separation without damaging the panels or compromising the handling system.
3Productivity
If multiple panels are cut in each cutting cycle, then productivity is improved, but device complexity increases due to the need for stack formation and management systems
Solution Approach 1:
The patent implements a self-organizing stack formation system where panels automatically align and stack themselves during the feeding process. The system uses simple guiding mechanisms and positioning features that allow panels to self-correct their positions and form neat stacks without requiring complex external manipulation or monitoring systems.
Solution Approach 2:
The patent performs preliminary stacking and arrangement of panels before they reach the cutting station. By pre-forming the stacks in advance and ensuring proper alignment beforehand, the system simplifies the cutting operation and eliminates the need for complex real-time adjustments during the cutting process itself.
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 reliable and efficient handling of multiple panels by preventing uncontrolled movements and ensuring precise detachment, enhancing productivity in cutting operations.
Implementation Method 1
pneumatic vacuum holding to secure the lower panel in a stack
Implementation Method 2
one or more movable arms provided with respective suction cups connected to a suction device
Data Source
Figure 1
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AI summary
A cutting machine (1) for cutting panels (P) made of wood or the like. A work area (AL) comprises pneumatic means (30; 50) configured to subject a panel (P) to a "pneumatic vacuum holding" operating mode for its temporary lock in position on said work area (AL), while waiting for a following phase of movement, cut or discharge. The moving and locking zones of the work area (AL) are inverted dynamically and instantaneously at the variation of the position of the panels on the work area (AL) during the cutting cycle. The invention relates also to an innovative panel cutting method.