Automated Rebar Cage Assembly Apparatus
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The labor-intensive process of assembling reinforcing cages for construction projects is time-consuming and inefficient, requiring improvements in the manufacturing process to enhance productivity.
Innovation Solution
A computerized controller-operated apparatus that automates the rebar cage formation process by rotating barrel and spiral coil wire, using latitudinal conveyors and a longitudinal rail to create a spiraled rebar cage, with a rod dispenser and dual cage ring assemblies to determine dimensions and layout.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual assembly methods are used for rebar cages, then flexibility and simplicity are maintained, but assembly time and labor intensity increase significantly
Solution Approach 1:
The rebar cage assembly apparatus is divided into multiple independent functional modules: latitudinal conveyors for rotating the cage, a longitudinal rail system for the wagon movement, a rod dispenser for automated rod placement, and a spiral coil wire wrapping system. Each module operates independently but coordinates through the control system, enabling high-speed assembly while maintaining manageable complexity through modular design.
Solution Approach 2:
The patent replaces manual mechanical assembly operations with an automated control system that coordinates motors and conveyors. The computerized controller automates the sequencing of rod placement, cage rotation, and wire wrapping, substituting human labor and manual coordination with automated mechanical and electronic control systems.
2Loss of time
If automated assembly apparatus is implemented, then assembly time is reduced, but initial device complexity and cost increase
Solution Approach 1:
The apparatus is designed with universal components that perform multiple functions. The latitudinal conveyors both transport the cage and rotate it during assembly. The wagon system along the longitudinal rail both positions and moves the spiral coil wire dispenser. The rod dispenser both stores and precisely places rods. This multi-functionality reduces the total number of separate components needed, managing overall device complexity while achieving rapid automated assembly.
3Manufacturing precision
If precise dimensional control is achieved through automated apparatus, then manufacturing precision improves, but device complexity increases
Solution Approach 1:
The automated assembly apparatus incorporates feedback mechanisms through the computerized controller that monitors and adjusts the operation of motors, conveyors, and dispensers in real-time. This feedback control ensures precise positioning of rods and accurate spacing, maintaining consistent cage dimensions without requiring overly complex mechanical guidance systems.
Data Source
AI summary
A method and apparatus for rebar cage construction is disclosed. A computerized controller operates an apparatus that automates parts of the rebar cage formation process. The computer controls motors for rotating the barrel and operating a wagon containing spiral coil wire. Initial rods are placed on a plurality of latitudinal conveyors. Dual cage ring assemblies are placed on the latitudinal conveyors, and notches or slots within the cage rings engage with the initial rods. The conveyors rotate the dual cage ring assemblies and a rod dispenser places a rod in additional notches. The rods, when completely installed, form a barrel structure. A wagon containing spiral coil wire is then moved longitudinally while the conveyors rotate to wrap the spiral coil wire around the barrel, to form a spiraled rebar cage.