Automated Modular Wall Assembly With Utility and Insulation Stations

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Solution Overview

Problem

Existing modular building assembly systems suffer from inflexibility, requiring manual intervention, limited material and fastener types, and inadequate quality control, leading to inefficiencies and increased costs.

Innovation Solution

A comprehensive system comprising multiple stations and robotic processes for automated assembly of wall structures, including framing, sheathing, insulation, and drywall installation, ensuring precision and flexibility in material use and quality control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If automated assembly processes are implemented, then productivity and manufacturing precision are improved, but device complexity increases

Engineering Contradiction:
Improveassembly speedVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The automated assembly system is divided into multiple specialized stations (framing assembly station, sheathing assembly station, insulation installation station, drywall installation station, quality control station), each performing a specific function. This segmentation allows the complex automation task to be broken down into manageable modules, improving productivity at each stage while organizing device complexity into discrete, maintainable units.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The controller system integrates and coordinates multiple assembly stations, material handling systems, and quality control functions through a centralized control architecture. This multi-functionality allows the system to manage diverse operations (framing, sheathing, insulation, drywall installation) with a unified control platform, improving overall productivity while consolidating complexity into a single coordination layer.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Manufacturing precision

If automated assembly processes are implemented, then manufacturing precision is improved, but device complexity increases

Engineering Contradiction:
Improveassembly accuracyVSAvoidsystem complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The quality control station incorporates sensors and detection systems that monitor assembly accuracy in real-time, providing feedback to the controller. This feedback mechanism enables automated adjustments to maintain manufacturing precision across all assembly operations, achieving high accuracy while managing complexity through closed-loop control rather than over-engineering each individual component.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

Manual measurement and alignment operations are replaced with automated positioning systems and robotic assembly mechanisms controlled by the central controller. This substitution of mechanical precision operations with automated control systems improves manufacturing precision while consolidating the complexity into programmable systems rather than complex mechanical adjustment mechanisms.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If multiple fastener types and materials are supported, then adaptability is improved, but device complexity increases

Engineering Contradiction:
Improvematerial flexibilityVSAvoidtooling flexibility
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The assembly system incorporates adjustable and reconfigurable tooling at each station, allowing fastener types and material handling capabilities to be dynamically changed based on the specific assembly requirements. This dynamic adaptability enables the system to handle multiple fastener types and materials without requiring completely different tooling for each case, improving versatility while managing complexity through reconfigurable rather than fixed systems.

Inventive Principle:
Principle #15Dynamics

4Reliability

If comprehensive quality control checks are implemented, then reliability is improved, but device complexity increases

Engineering Contradiction:
Improvequality controlVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The quality control station uses sensors and detection systems to monitor assembly quality at multiple checkpoints throughout the production process. This feedback-based quality control enables automated identification and correction of defects, improving reliability by catching issues early while managing complexity through systematic monitoring rather than exhaustive inspection of every component.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs preliminary quality checks at intermediate stages (after framing, after sheathing installation, before final assembly) rather than only at the end. This preliminary action allows defects to be identified and corrected early in the process, improving overall reliability while distributing quality control complexity across multiple simpler checking points rather than one complex final inspection system.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP4403722B1System for assembling a wall structure for a modular construction unit
Publication Date: 2025.10.08 BUILDZ LLC
  • EP4403722B1 patent drawingFigure 1
  • EP4403722B1 patent drawingFigure 2
  • EP4403722B1 patent drawingFigure 3

AI summary

A system 100 for assembling a wall structure for a modular construction unit. A utility installation station 950 is configured to allow installation of at least one of a plurality of utilities within the wall structure, the plurality of utilities comprising plumbing and/or electrical facilities. A first flip table 900 is configured to rotate the wall structure from a first horizontal position, in which one or more sheathing panels 30 of the wall structure are facing up, to a vertical position and to transfer the wall structure to the utility installation station 950. An insulation installation station 1000 is configured to apply an insulation material 80 within one or more cavities 50 of the wall structure. A second flip table 970 is configured to receive the wall structure from the utility installation station 950 and to rotate the wall structure from the vertical position to a second horizontal position, in which the one or more sheathing panels 30 of the wall structure are facing down, the second horizontal position being approximately 180° relative to the first horizontal position, wherein the second flip table 970 is configured to transfer the wall structure to the insulation installation station 1000.