Modular Vacuum Gripper Design for Mass Production

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Solution Overview

Problem

The complexity and high cost of manufacturing vacuum chambers for various gripping applications, due to their variable shape, weight, and size, as well as differing vacuum levels and grip cycle times, hinder mass production and reduce efficiency.

Innovation Solution

A modular vacuum chamber design featuring a first and second plate, ribs forming side walls, assembly means, sealing means, and vacuum generation mechanisms, allowing for adaptable manufacturing and efficient mass production by sizing and manufacturing components based on specific application constraints.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If vacuum chambers are customized for each particular gripping application with variable shape, weight and size, then the gripping performance is improved, but the manufacturing complexity and cost increase

Engineering Contradiction:
Improvegripping performanceVSAvoidmanufacturing complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The vacuum chamber is divided into modular components including a base plate, side walls with ribs, and a cover plate that can be assembled in different configurations. This segmentation allows standardization of individual components while enabling customization of the complete chamber for different gripping applications.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The modular design with standardized base plates, side walls, and cover plates creates universal components that can be reused across different vacuum chamber configurations. This multi-functionality reduces manufacturing complexity by using the same components for various gripping applications.

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

2Adaptability or versatility

If vacuum chambers are customized for each particular gripping application, then the specific gripping constraints are met, but the manufacturing time increases

Engineering Contradiction:
Improveapplication-specific constraintsVSAvoidmanufacturing time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

Standardized base plates, side walls, and cover plates are pre-manufactured with predetermined dimensions and features. This preliminary action allows rapid assembly of custom vacuum chambers by simply selecting and combining pre-made components rather than manufacturing each chamber from scratch.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

By segmenting the vacuum chamber into pre-manufacturable modular components, the invention enables parallel production of multiple chamber parts, significantly reducing total manufacturing time while maintaining application-specific customization.

Inventive Principle:
Principle #1Segmentation

3Manufacturing precision

If vacuum chambers are manufactured individually for each application, then the specific dimensions are optimized, but the production cost increases

Engineering Contradiction:
Improvedimensional optimizationVSAvoidproduction cost
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The invention uses universal base plates, side walls, and cover plates that can be mass-produced at lower costs. These standardized components maintain manufacturing precision through consistent design while reducing production costs through economies of scale.

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

Solution Approach 2:

The modular design allows adjustment of chamber dimensions by changing the number or configuration of standardized components rather than creating entirely new custom parts. This parameter change approach maintains dimensional optimization while leveraging standardized manufacturing processes.

Inventive Principle:
Principle #35Parameter changes

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 design simplifies the manufacturing process, reduces costs, and enables efficient mass production of vacuum chambers compatible with diverse gripping applications, enhancing production efficiency and reducing time-to-market.

Implementation Method 1

vacuum generation means suitable for sucking in the air contained inside the casing via the upstream orifice to generate a vacuum in the casing

Methodology Applied
Scientific EffectVacuum suction: Suction

Data Source

PatentEP3102370B1Modular vacuum gripper
Publication Date: 2021.04.07 COVAL
  • EP3102370B1 patent drawingFigure 1~8
  • EP3102370B1 patent drawingFigure 2~3
  • EP3102370B1 patent drawingFigure 4~5

AI summary

The invention relates to a casing that has a modular vacuum and comprises: a first plate (3); a second plate (4) having at least one downstream opening bored therein; framework members (5); assembly means for assembling the first plate (3), the second plate (4), and the framework members (5); at least one upstream opening located on one of the walls of the casing (1); sealing means; vacuum generation means (8) capable of suctioning the air contained inside the casing via the upstream opening; and at least one deformable element (13) extending onto the second plate (4) such as to form a surface making sealing contact with the part (2) when the air contained inside the casing (1) is suctioned in.