Modular Pasta Extrudate Cutting for Flexible Nozzle Sizes

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Solution Overview

Problem

Existing pasta forming devices for industrial production are complex, costly to maintain, and require specific cutting tools for each extrusion nozzle diameter, leading to high maintenance costs and inefficiencies.

Innovation Solution

A modular pasta forming device with a detachable cutting system comprising modules with cores and knives, allowing easy assembly and disassembly, and a rotating unit sub-assembly for versatile and efficient cutting of extrudates.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a traditional cutting roller with elongated blades is used, then continuous cutting of extrudates is achieved, but maintenance complexity and cost increase significantly

Engineering Contradiction:
Improvecontinuous cutting capabilityVSAvoidmaintenance complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The cutting roller is divided into multiple independent modular units, each with its own blade assembly. This segmentation allows individual modules to be replaced without affecting the entire cutting roller, significantly reducing maintenance complexity while preserving continuous cutting capability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The modular design enables selective replacement of worn or damaged blade modules without discarding the entire cutting roller. Used modules can be recovered, inspected, and replaced only when necessary, reducing overall maintenance costs and waste.

Inventive Principle:
Principle #34Discarding and recovering

2Manufacturing precision

If specific cutting tools are used for each extrusion nozzle diameter, then cutting precision is maintained, but device complexity and maintenance cost increase

Engineering Contradiction:
Improvecutting precisionVSAvoidtool variety
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The modular cutting roller units are designed with universal compatibility to work with different extrusion nozzle diameters. Each module can be adjusted or reconfigured to accommodate various nozzle sizes, eliminating the need for multiple specialized cutting tools while maintaining cutting precision.

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

Solution Approach 2:

The cutting modules incorporate adjustable mechanisms that allow dynamic adaptation to different extrusion parameters. The blade position, angle, and spacing can be modified to match different nozzle configurations, providing precision cutting across various product types without tool changes.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If elongated blades with flexibility are used, then cutting operation is simplified, but durability and cutting accuracy compromise

Engineering Contradiction:
Improvecutting operation simplicityVSAvoidblade durability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

Each blade module is designed with optimized local properties, including rigid blade construction for durability and precision cutting. The modular design allows each blade to be independently engineered for optimal performance while maintaining ease of replacement if needed.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP4652846A1Device for forming pasta, and corresponding installation and method for making same
Publication Date: 2025.11.26 LUSTUCRU FRAIS
  • EP4652846A1 patent drawingFigure 1
  • EP4652846A1 patent drawingFigure 2
  • EP4652846A1 patent drawingFigure 3

AI summary

- Pasta forming device, installation and corresponding manufacturing process. - The invention relates to a pasta forming device (1) comprising: - extrusion nozzles (2) for forming extrudates at the outlet of said nozzles (2), - a cutting system (4) for said extrudates, characterized in that said cutting system (4) is modular and comprises a plurality of modules (5) each comprising a core (5A) and at least one knife (5B, 5C, 5D) carried by the core (5A), said modules (5) being assembled by their cores (5A) to form a unit subassembly of modules (5) mounted for rotation about an axis of rotation (X-X'). - Devices and processes for manufacturing food products.