Oblong Metal Loading Assembly for Automatic Bar Alignment

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Solution Overview

Problem

Existing devices for loading and processing oblong metal elements, such as bars for reinforced concrete, face challenges in ensuring ordered feeding and alignment, leading to inaccuracies and manual intervention, particularly due to the elements' length and irregular shape, which complicates handling and processing.

Innovation Solution

A loading assembly with a movable selector member and chute system that allows for precise and automatic selection, alignment, and transfer of oblong elements, optimizing their positioning for subsequent processing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual alignment operations are used for bars, then the bars can be positioned, but the operation becomes very tiring and requires manual intervention

Engineering Contradiction:
Improvealignment operation easeVSAvoidautomatic feeding
Core Design Contradiction:
Ease of operationVSExtent of automation

Solution Approach 1:

The bars perform self-alignment through their own weight and geometry. The funnel-shaped receptacle guides the bars to automatically position themselves with ends aligned, eliminating the need for manual alignment operations while maintaining complete automation of the feeding process

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The receptacle is designed with a funnel shape that creates a gravitational field where bars naturally settle into aligned positions. The geometry ensures that under the influence of gravity alone, the bars achieve the required alignment configuration without external intervention

Inventive Principle:
Principle #12Equipotentiality

2Productivity

If bars are fed in an unaligned manner, then the feeding process is simpler, but inaccuracies occur in the processed pieces

Engineering Contradiction:
Improvefeeding speedVSAvoidpositioning accuracy
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The receptacle performs preliminary alignment of the bars before they are transferred to the processing machine. By pre-positioning the bars in an aligned state within the funnel-shaped receptacle, the system ensures that when bars are rapidly fed to the machine, they maintain their aligned configuration, thus achieving both high productivity and positioning accuracy

Inventive Principle:
Principle #10Preliminary action

3Device complexity

If the receptacle has a simple shape, then the device structure is simpler, but the bars cannot be properly aligned

Engineering Contradiction:
Improvereceptacle structureVSAvoidbar alignment
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

The receptacle employs a funnel-shaped curved geometry rather than straight angular surfaces. This curved configuration naturally guides the bars along a converging path, using the continuous curvature to steer the bars into proper alignment positions. The smooth curved surfaces prevent tangling and facilitate the self-alignment process while maintaining relatively simple device structure

Inventive Principle:
Principle #14Spheroidality (Curvature)

Data Source

PatentUS12397340B2Loading assembly for oblong, in particular metallic, elements
Publication Date: 2025.08.26 SCHNELL SPA
  • US12397340B2 patent drawing
  • US12397340B2 patent drawing
  • US12397340B2 patent drawing

AI summary

The loading assembly for oblong elements, in particular metal elements, includes a movable selector member and a chute associated with the selector member. The loading assembly is associated with a transfer seat to collect a number of elements loaded on the chute by means of the selector member.