Automated Reinforcement Cage Assembly for Complex Geometries

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Solution Overview

Problem

Current methods for producing reinforcement cages are limited to cuboid shapes due to automation challenges, resulting in a lack of variety, reduced quality, and increased safety risks from manual handling and welding, while failing to achieve precise complex geometries and stable connections.

Innovation Solution

An automated system using robot arms with welding and clamping devices to connect spatially separate reinforcement cage parts, forming a common overlap area for secure fixation, allowing for the production of complex geometries and reducing manual effort and safety hazards.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If automated production methods are used for reinforcement cages, then productivity and manufacturing precision are improved, but the device complexity and adaptability worsen due to limitations in handling complex geometries

Engineering Contradiction:
Improveautomation levelVSAvoidgeometry variety
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The reinforcement cage is divided into multiple modular segments that can be produced separately using automated processes and then assembled together. This segmentation allows automated production of standard components while maintaining the ability to create complex overall geometries through various combinations of segments.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Reinforcement cage segments are designed to nest within each other during assembly, with overlapping areas where one segment fits into another. This nesting approach simplifies the assembly process and enables automated handling while accommodating diverse cage geometries through different nesting configurations.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Adaptability or versatility

If manual handling and welding processes are used, then adaptability to complex geometries is improved, but occupational safety and manufacturing precision worsen due to toxic fumes and quality inconsistencies

Engineering Contradiction:
Improvegeometry complexityVSAvoidwelding fumes and safety risks
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

Traditional manual welding processes are replaced with automated connection methods such as mechanical fastening systems, clamping devices, or automated welding robots enclosed in controlled environments. This substitution eliminates worker exposure to toxic welding fumes while maintaining the ability to handle complex geometries through programmable automation.

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

Solution Approach 2:

Connection elements or intermediary components are introduced between reinforcement cage segments to facilitate precise alignment and secure joining without requiring direct manual welding. These intermediaries enable automated assembly while ensuring connection quality and eliminating harmful welding exposures for workers.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Manufacturing precision

If multiple machines are used to connect reinforcement cage components, then manufacturing precision is improved, but device complexity and internal logistics worsen

Engineering Contradiction:
Improvepositioning accuracyVSAvoidnumber of machines
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

Multiple separate machines for positioning and connecting reinforcement cage components are merged into a single integrated assembly system. This multi-functional machine performs both positioning and connection operations in sequence, maintaining manufacturing precision while reducing overall device complexity and simplifying internal logistics.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

A single assembly machine is designed with universal capabilities to handle various connection tasks across different reinforcement cage configurations. The machine can adapt its positioning and connection functions through programmable control, eliminating the need for multiple specialized machines while maintaining precision across diverse geometries.

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

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 the efficient and precise production of stable reinforcement cages with complex geometries, improving quality and safety by minimizing manual handling and exposure to hazardous conditions, while optimizing internal logistics and reducing the number of machines required.

Implementation Method 1

at least one robot arm which has a welding device and/or a connecting device for fixing reinforcement cage parts

Methodology Applied
Scientific EffectWelding: Welding

Implementation Method 2

a clamping gripping device for pushing reinforcement cage parts into one another

Methodology Applied
Scientific EffectMechanical Force: Mechanical Force

Data Source

PatentEP4353380A1Method and apparatus for the automated production of a reinforcement cage
Publication Date: 2024.04.17 PROGRESS MASCHEN & AUTOMATION
  • EP4353380A1 patent drawingFigure 1a~3
  • EP4353380A1 patent drawingFigure 4~5
  • EP4353380A1 patent drawingFigure 6~7

AI summary

A method for the automated production of a reinforcement cage (1), wherein the following process steps are carried out, in particular in chronological order: - at least two spatially separate reinforcement cage parts (2) for the reinforcement cage (1) are provided, - the at least two reinforcement cage parts (2) are automatically partially slid into one another, so that a common overlap area (3) extending partially over the at least two reinforcement cage parts (2) is formed, and - the at least two reinforcement cage parts (2) are automatically fixed relative to each other in the common overlap area (3) to form the reinforcement cage (1). The invention also relates to a device for the automated production of a reinforcement cage.