Section Bar Work Centre with Automated Clamping Transfer

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Solution Overview

Problem

Existing work centers for processing section bars, such as those made of aluminum, light alloys, or PVC, face inefficiencies due to manual and imprecise loading/unloading operations, which are time-consuming.

Innovation Solution

The work center incorporates a gantry with an electrospindle, motor-drive slides, and automated clamping vices with actuator cylinders and conveyor systems for precise and automated handling of section bars, enabling efficient loading, processing, and unloading.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual loading/unloading of section bars is used, then device complexity is reduced, but productivity decreases and time loss increases

Engineering Contradiction:
Improveprocessing speedVSAvoidautomation system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system enables self-service automation where the clamping vice and conveyor units automatically load and unload section bars without human intervention. The control unit coordinates the clamping vice to automatically grasp, transport, and release section bars at processing stations, creating a self-sufficient automated handling system that eliminates manual operations while maintaining streamlined device architecture

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The clamping vice is designed as a multi-functional device that can both clamp section bars for processing and transport them between stations. The same clamping mechanism serves dual purposes: securing workpieces during machining operations and functioning as a gripping device for automated loading/unloading, thereby reducing the need for separate dedicated handling devices

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

2Manufacturing precision

If manual loading/unloading is used, then ease of operation is improved, but manufacturing precision deteriorates

Engineering Contradiction:
Improveloading precisionVSAvoidoperational simplicity
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The system replaces manual mechanical loading operations with an automated control system that precisely coordinates the clamping vice movements. The control unit electronically manages the clamping cycle, positioning, and release sequences, substituting human-operated mechanical actions with programmable control mechanisms that deliver consistent, high-precision loading without requiring complex manual dexterity

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

Solution Approach 2:

The control unit acts as an intermediary between the operator and the clamping vice mechanism. It translates simple operational commands into precise coordinated movements of the clamping jaws, conveyor units, and positioning systems, mediating between ease of control and precision execution by handling the complex coordination automatically

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If automated clamping vice is used, then productivity is improved, but device complexity increases

Engineering Contradiction:
Improveprocessing throughputVSAvoidclamping system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The clamping vice integrates multiple functions into a single unified device: it combines the clamping mechanism for securing section bars, the gripping function for picking up and transporting workpieces, and the positioning capability for precise alignment at processing stations. This merging of functions into one multi-capable device increases productivity while avoiding the added complexity of multiple separate systems

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP3950218B1Work centre to process section bars, in particular made of aluminium, light alloys, PVC or the like
Publication Date: 2024.10.02 FOM INDUSTRIE SRL
  • EP3950218B1 patent drawingFigure 1
  • EP3950218B1 patent drawingFigure 2
  • EP3950218B1 patent drawingFigure 3

AI summary

A work centre to process section bars (2) has an elongated base (3); a processing station (7), which is obtained along the base (3) and is provided with an operating head (13) to process the section bars (2); at least one gripping and transporting unit (19), which is movable along the base (3) and through the processing station (7); and at least one loading and/or unloading station (40), which is obtained along the base (3) and is provided with a transfer assembly (52) to transfer the section bars (2) from and to the gripping and transporting unit (19); the transfer assembly (52) having a clamping vice (63) provided with two jaws (64, 65), which are movable in a substantially horizontal direction (12) between a clamping position and a release position to clamp and release at least one section bar (2).