Movable Welding Cell Enclosure With Modular Roller Shutter Access

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Solution Overview

Problem

Existing welding robot cells lack a compact and flexible design that optimizes workspace utilization while ensuring the safety and accessibility of welders during welding processes.

Innovation Solution

A compact welding cell with a protective casing featuring a pneumatically controlled guide device for bidirectional movement of the protective housing, incorporating roller shutter devices for modular access to work areas, and a modular welding table for flexible work surface configuration, allowing for efficient protection and maximum work area utilization.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If a protective enclosure is used to enclose the welding robot and work area, then welder protection from harmful fumes and sparks is improved, but accessibility to work areas for welder intervention deteriorates

Engineering Contradiction:
Improvewelder protection from harmful fumes and sparksVSAvoidaccessibility to work areas
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The protective enclosure is designed with movable side walls that can be shifted between a closed position for protection and an open position for accessibility. This dynamic structure allows the enclosure to adapt its state based on operational requirements, resolving the contradiction between protection and access.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The enclosure is divided into segmented side walls that can move independently. This segmentation allows partial opening of the enclosure to provide access to work areas while maintaining protection in other sections, thus balancing safety and accessibility needs.

Inventive Principle:
Principle #1Segmentation

2Volume of moving object

If the protective enclosure is designed to be compact, then space utilization and transportability are improved, but the range of movement for the welding robot deteriorates

Engineering Contradiction:
Improvecompactness of cellVSAvoidrange of movement for welding robot
Core Design Contradiction:
Volume of moving objectVSAdaptability or versatility

Solution Approach 1:

The side walls are designed to be movable rather than fixed, allowing the enclosure to expand its internal volume when needed for robot movement and contract to a compact form when not in use. This dynamic adjustment resolves the contradiction between compact storage and operational flexibility.

Inventive Principle:
Principle #15Dynamics

3Object-affected harmful factors

If the protective enclosure completely encloses the work area, then welder safety is improved, but the work area ratio and productivity deteriorate due to reduced accessible workspace

Engineering Contradiction:
Improvewelder safetyVSAvoidwork area ratio
Core Design Contradiction:
Object-affected harmful factorsVSProductivity

Solution Approach 1:

The movable side walls enable the enclosure to dynamically adjust between fully enclosed and partially open states. During welding operations, the enclosure provides complete protection, while during workpiece loading/unloading, the walls open to expand the accessible workspace, thus maintaining both safety and productivity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system maintains continuous productivity by seamlessly transitioning between enclosed and open states. The movable walls allow uninterrupted workflow where the enclosure provides protection during critical welding phases while enabling efficient material handling during preparation and post-processing phases.

Inventive Principle:
Principle #20Continuity of useful action

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

The solution enables optimized, safe, and parallel welding operations with a high work area ratio, providing a compact and transportable system that can be easily integrated into existing systems, while ensuring the welder's safety from harmful fumes and sparks.

Implementation Method 1

The guide device can preferably be controlled pneumatically

Methodology Applied
Scientific EffectPneumatics:

Implementation Method 2

which can move roller shutters up and down in a modular manner to enclose the respective work area

Methodology Applied
Scientific EffectMechanical movement:

Data Source

PatentEP4182129B1Compact robot cell
Publication Date: 2024.04.24 DEMMELER AUTOMATISIERUNG & ROBOTER
  • EP4182129B1 patent drawingFigure 1A
  • EP4182129B1 patent drawingFigure 1B
  • EP4182129B1 patent drawingFigure 1C

AI summary

The present invention relates to a compact cell Z having a protective enclosure 3 for welding operations by means of welding robots 15, having a protective enclosure 3 consisting of a roof 1, side walls 2, a front side 4A and a rear side 4B, said protective enclosure 3 being movable from a first position into a second and back again by a guide rail 23 supported on a pneumatically actuable guide device 24, and as a result being able to enclose a front working area A1 in the first position and a rear working area A2 in the second position, respectively. The front side 4A and rear side 4B of the protective enclosure 3 furthermore comprise at least in each case one roller shutter device (22A; 22B) which can open and close roller shutters (5A; 5B) that close the entire side or modularly combinable roller shutters (18; 20) on respective roller shutter mounts (V1; V2; V3) integrated in the roof 1.