Modular Assembly Stations for Flexible Industrial Production Lines

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Solution Overview

Problem

Current industrial assembly lines are inflexible and require significant redesign and expansion to accommodate new products or increased production rates, leading to long design times, inefficient use of space, and increased costs due to the need for complex, specialized machines.

Innovation Solution

The design of modular assembly stations with interchangeable manual, semi-automatic, and automatic modules, equipped with robotic means and integrated safety sensors, allowing for flexible reconfiguration and adaptation to different production capacities and product types.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If specialized dedicated machines are used for each product type, then manufacturing precision and automation are improved, but device complexity and adaptability deteriorate

Engineering Contradiction:
ImproveautomationVSAvoidadaptability
Core Design Contradiction:
Extent of automationVSAdaptability or versatility

Solution Approach 1:

The patent implements universal robotic cells that can perform multiple assembly operations through programmable control. The robotic cells are designed with interchangeable end-effectors and programmable sequences that allow them to adapt to different product types and assembly operations, replacing the need for dedicated machines for each product while maintaining high automation levels.

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

Solution Approach 2:

The system employs dynamic reconfigurability where robotic cells can be rapidly reprogrammed and reconfigured for different products. The control system allows dynamic adjustment of assembly parameters, tooling configurations, and operation sequences, enabling the same physical infrastructure to adapt to varying production requirements without physical redesign.

Inventive Principle:
Principle #15Dynamics

2Manufacturing precision

If dedicated machines are designed for each product, then manufacturing precision is improved, but design time and device complexity increase

Engineering Contradiction:
Improvemanufacturing precisionVSAvoiddevice complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent segments the assembly system into standardized modular robotic cells, each capable of performing specific assembly operations. These modular units can be independently designed, tested, and maintained, reducing overall system complexity while maintaining precision through standardized interfaces and repeatable operations.

Inventive Principle:
Principle #1Segmentation

3Productivity

If production rate is increased by adding tools, then productivity is improved, but device complexity and space requirements increase

Engineering Contradiction:
Improveproduction rateVSAvoidspace requirements
Core Design Contradiction:
ProductivityVSArea of stationary object

Solution Approach 1:

The patent merges multiple assembly operations into integrated robotic cells that can perform sequential and parallel operations within a compact footprint. By combining multiple functions in single modular units and enabling parallel processing through coordinated robotic cells, the system achieves high production rates without proportional increases in space requirements.

Inventive Principle:
Principle #5Merging (Combining)

4Adaptability or versatility

If production line is reconfigured for new products, then adaptability is improved, but design time and loss of time increase

Engineering Contradiction:
ImproveadaptabilityVSAvoiddesign time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The system employs pre-programmed assembly sequences and pre-configured tooling modules that can be rapidly deployed for new products. Standardized interfaces and libraries of pre-developed assembly routines allow quick adaptation to new product types without extensive redesign, significantly reducing the time required for line reconfiguration.

Inventive Principle:
Principle #10Preliminary 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

This approach enables rapid reconfiguration of production lines to meet changing production demands, reduces industrialization time, minimizes space requirements, and optimizes resource allocation by allowing for flexible automation levels, thus improving efficiency and reducing costs.

Implementation Method 1

the standardized modules with automatic or semi-automatic operation are equipped with robotic means provided with sensors with information feedback on each of their axes of mobility

Methodology Applied
Scientific EffectSensor feedback: Feedback

Implementation Method 2

equipped with robotic means provided with integrated safety means, in particular so-called unexpected contact safety means

Methodology Applied
Scientific EffectUnexpected contact detection: Feedback

Data Source

PatentEP3380269A1Industrial production line
Publication Date: 2018.10.03 STELLANTIS AUTO SAS

AI summary

The invention relates to an industrial production line (L2) including manual, semi-automatic, and/or automatic assembly stations. Said assembly stations are broken down into standardized modules that are each manually, automatically, or semi-automatically operated in an interchangeable manner, particularly according to the intended production capacity.