Automated Mattress Assembly with Conveyor-Synced Foam Placement

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Solution Overview

Problem

Current mattress manufacturing processes are labor-intensive and variable due to manual operations, leading to lengthy production times and inconsistencies.

Innovation Solution

An automated system comprising multiple stations for coil unit assembly, innercore unit assembly, bucket assembly, and foam layer placement, utilizing a common conveyor and programmable logic control to streamline the manufacturing process, from coil formation to final assembly and packaging.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual labor is used for mattress assembly, then flexibility in operation is maintained, but production time increases and consistency deteriorates

Engineering Contradiction:
Improveproduction timeVSAvoidautomation system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The mattress manufacturing process is divided into distinct modular stations including coil unit assembly, innercore unit assembly, bucket assembly, and foam layer placement. Each station performs a specific function independently, allowing for streamlined automated processing while maintaining operational clarity and control.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A common conveyor system serves multiple stations throughout the manufacturing process, providing serial communication and material transport between coil assembly, innercore assembly, bucket assembly, and foam placement operations, thereby reducing the need for separate handling systems.

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

2Manufacturing precision

If manual operations are used, then adaptability to variations is maintained, but manufacturing precision deteriorates

Engineering Contradiction:
Improveassembly consistencyVSAvoidautomation level
Core Design Contradiction:
Manufacturing precisionVSExtent of automation

Solution Approach 1:

Programmable logic control systems monitor and regulate operations at each manufacturing station, ensuring precise control over coil assembly, innercore construction, bucket formation, and foam layer placement. The control systems coordinate material flow and synchronize station operations to maintain consistent quality standards.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

Components such as coils, innercore elements, and foam layers are prepared and positioned in advance at dedicated assembly stations before final integration. This preliminary preparation ensures that each component is ready for precise placement, improving overall assembly consistency and reducing variability.

Inventive Principle:
Principle #10Preliminary action

3Loss of time

If multiple manual stations are used, then process flexibility is maintained, but loss of time increases

Engineering Contradiction:
Improveproduction cycle timeVSAvoidnumber of stations
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

Multiple manufacturing functions are integrated into a unified automated system where coil assembly, innercore construction, bucket formation, and foam placement occur in continuous sequence through programmable logic control. The common conveyor merges material flow paths, eliminating idle time between operations while maintaining functional specialization at each station.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The automated manufacturing system operates continuously with materials and components moving steadily through each station without interruption. The programmable logic control ensures seamless coordination between stations, eliminating pauses and waiting periods that would occur in manual batch processing, thereby reducing overall production cycle time.

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentEP3247672B1Automated mattress manufacturing process and apparatus
Publication Date: 2018.11.28 DREAMWELL LTD
  • EP3247672B1 patent drawingFigure 1
  • EP3247672B1 patent drawingFigure 2
  • EP3247672B1 patent drawingFigure 3

AI summary

San automated system and process for manufacturing a mattress generally includes an automated foam layer placement apparatus for accurately securing one or more foam layers onto an innercore unit and bucket assembly.