Softforming Edgebanding Device with Branching Guide Paths
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Solution Overview
Problem
Existing soft-forming devices struggle to apply edge strips consistently to profiled wood or wood substitute workpieces due to variability in adhesive application, requiring multiple gluing units and resulting in inconsistent adhesion and time-consuming adhesive changes.
Innovation Solution
A device with a machine control, edge strip magazine, and multiple edge strip attaching devices with branching guide paths allows for seamless selection and application of different adhesives, ensuring consistent adhesion by directing edge strips to specific guide paths and applicators based on adhesive properties, eliminating the need for multiple gluing units and reducing production downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple gluing units are used to apply different adhesives, then adhesive variety is improved, but device complexity increases and production downtime increases due to maintenance requirements
Solution Approach 1:
A single gluing unit is designed to perform multiple functions by applying different adhesives sequentially. The unit can switch between various adhesives (e.g., hot melt, PVAc, PVA) through a centralized adhesive supply system, eliminating the need for multiple dedicated gluing units while maintaining adhesive variety.
Solution Approach 2:
The system dynamically switches between different adhesives based on production requirements. The adhesive supply system allows for quick changes between adhesive types without requiring physical reconfiguration or replacement of the entire gluing unit, enabling flexible adaptation to different edge banding materials and workpiece types.
2Adaptability or versatility
If multiple gluing units are used to apply different adhesives, then adhesive variety is improved, but production downtime increases during maintenance
Solution Approach 1:
Since only one gluing unit is used for all adhesive applications, maintenance frequency is reduced compared to having multiple units. The single unit requires maintenance only when adhesive changes are needed, rather than each unit requiring maintenance on its schedule, thereby reducing overall production downtime.
Solution Approach 2:
The system is designed to allow for easy and quick adhesive changes in the centralized supply system. Adhesive containers can be quickly replaced or refilled without disassembling the gluing unit, enabling rapid maintenance operations that minimize production interruptions.
3Adaptability or versatility
If edge strips are coated with adhesive and transported for different lengths of time, then adhesive application flexibility is improved, but adhesion consistency deteriorates due to temperature variations
Solution Approach 1:
The system maintains continuous adhesive application directly at the point of use (the gluing unit). Edge strips receive adhesive immediately before being applied to the workpiece, eliminating intermediate transport steps that would cause temperature variations. The adhesive is applied and used in continuous sequence, ensuring consistent adhesion quality.
Solution Approach 2:
The centralized adhesive supply system acts as an intermediary that delivers the appropriate adhesive directly to the gluing unit at the moment of need. This eliminates the need for pre-coating edge strips and storing them with adhesive, thereby preventing temperature-related adhesion variations while maintaining application flexibility.
4Device complexity
If a single gluing unit is used with adhesive changes, then device complexity is reduced, but adhesive change time increases
Solution Approach 1:
The system is designed with pre-positioned adhesive containers and quick-change mechanisms in the centralized supply system. Adhesive containers can be prepared in advance and quickly swapped out when a change is needed, minimizing the time the gluing unit is non-operational while maintaining simplicity of the overall device.
Solution Approach 2:
The system replaces complex mechanical arrangements of multiple gluing units with a simpler centralized supply system that uses automated or semi-automated adhesive delivery mechanisms. This substitution reduces mechanical complexity while enabling rapid adhesive changes through the simplified supply architecture.
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 consistent and efficient attachment of edge strips with any adhesive, reducing production interruptions and maintaining consistent adhesion quality without the need for warming adhesives, thus improving processing efficiency and reducing adhesive-related issues.
Implementation Method 1
at least two edge strip application devices (50, 60) designed to activate a supplied edge strip (1) by applying adhesive or glue (48) to the joining side
Implementation Method 2
pressing it against the narrow side of the workpiece (2), in particular by means of at least one pressure roller (61)
Implementation Method 3
The gluing unit (52, 62) has a heating element (58, 68) for warming the adhesive or glue (48)
Data Source
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AI summary
The invention relates to a device (10), more particularly a softforming device, for attaching edge bands (1) on the short side of a panel-shaped workpiece (2, 2') made of work or wood substitute, comprising a machine control system, an edge band magazine (20) for storing and/or feeding a plurality of edge bands (1) and at least two edge band application devices (50, 60). The edge band application devices (50, 60) are designed to activate a supplied edge band (1) by means of application of an adhesive or glue to the joint side or melting on the joint side and then to press same against the short side of the workpiece (2, 2'), more particularly by means of at least one pressure roller (51, 61). The device (10) is further equipped with a feed device (40), which is designed to feed an edge band (1) removed from the magazine (20) into an edge band application device (50, 60) specified by the machine control system. The feed device (40) comprises a branching means (41) and edge band guide paths (42, 43) arranged between said means and each edge band application device (50, 60). The branching means (41) is designed to guide an edge band (1) coming from the magazine (20) to an edge band guide path (42, 43) specified by the machine control system. The movement device (30) further provided is designed to move workpieces (2, 2') in at least one direction (X) relative to the edge band application devices (50, 60).