Multi-Panel Consolidation Device for Foam Injection
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Solution Overview
Problem
Current methods for manufacturing building panels with foam insulation lack efficient control over foam expansion and bonding to the frame, leading to inconsistent foam thickness and structural integrity issues.
Innovation Solution
A method involving a multi-panel consolidation device that expands and collapses to inject and constrain expandable polymer within a frame's cavities, using a hydraulic system to manage foam expansion and ensure stable bonding, with spacers to maintain frame integrity and prevent crushing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If shelves are forced into collapsed configuration to constrain foam expansion, then manufacturing precision of foam thickness is improved, but the frame may be crushed or damaged
Solution Approach 1:
The spacers are pre-positioned between the shelves before the foam injection process begins. This preliminary placement ensures that the spacers are in position to prevent frame crushing from the outset, allowing the shelves to be collapsed for foam thickness control without risking frame damage.
Solution Approach 2:
The spacers act as intermediary elements between the shelves and the frame. They transmit and distribute the compressive force from the collapsed shelves, preventing direct contact between the shelves and the frame that would cause crushing. This mediator allows the constraint function to work without the harmful side effect.
2Manufacturing precision
If shelves are forced into collapsed configuration to control foam expansion, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The spacers serve multiple functions simultaneously: they act as spacers to maintain dimensional relationships, as protective elements to prevent frame crushing, and as force distribution elements to ensure uniform compression during foam expansion. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in device complexity.
3Productivity
If expandable polymer is injected into frame cavities without constraint, then productivity is improved through continuous processing, but manufacturing precision of foam thickness deteriorates
Solution Approach 1:
The spacers and collapsed shelves create a self-regulating system where the foam expansion is automatically constrained to a predetermined thickness. The physical presence of the spacers provides inherent control without requiring active monitoring or adjustment during the injection process, allowing continuous high-speed production while maintaining consistent foam thickness.
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
This approach results in building panels with consistently controlled foam thickness and enhanced structural integrity, improving insulation and fire-resistant characteristics while increasing production efficiency and reducing dimensional variations.
Implementation Method 1
injecting an expandable polymer through at least one injection aperture in the frame into the at least one cavity; forcing the shelves of the multi-panel consolidation device into an expanded configuration after a predetermined period of time selected to permit the expandable polymer to form a stable expanded foam within the at least one cavity
Implementation Method 2
the forcing the shelves of the multi-panel consolidation device into the collapsed configuration includes applying a compressive force to the frame and constraining expansion of the expandable polymer
Implementation Method 3
permit the expandable polymer to form a stable expanded foam within the at least one cavity and bonded to the frame
Data Source
AI summary
A method of manufacturing building panels includes assembling a frame of a building panel. The frame defines at least one cavity and at least one injection aperture in fluid communication with the at least one cavity. The method also includes positioning the frame on one of a base and a shelf of a multi-panel consolidation device having a plurality of shelves, with the shelves being in an expanded configuration, and at least substantially enclosing the at least one cavity. The method also includes forcing the shelves of the multi-panel consolidation device into a collapsed configuration, and injecting an expandable polymer through the at least one injection aperture into the at least one cavity. The method further includes forcing the shelves into an expanded configuration after a predetermined period of time selected to permit the expandable polymer to form a foam bonded to the frame.