Tapered Roller Pasta Extrusion for Uniform High-Speed Production
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Solution Overview
Problem
Existing pasta production methods struggle to achieve high production rates while maintaining uniformity and controlled appearance, particularly in industrial settings, and there is a need for devices and processes that ensure reliable, inexpensive, and easy maintenance.
Innovation Solution
A pasta manufacturing device and process utilizing a tank with extrusion nozzles and motorized rolling rollers, including a tapered first roller, to uniformly distribute pasta dough through nozzles, ensuring consistent product formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If existing production lines are used to increase production rate, then productivity is improved, but manufacturing precision and uniformity of product appearance deteriorate
Solution Approach 1:
The patent applies dynamics by making the rolling rollers motorized and adjustable, allowing them to adapt their speed and position dynamically during the extrusion process. This enables high-speed production while maintaining uniform pressure distribution and product appearance, resolving the contradiction between productivity and manufacturing precision.
Solution Approach 2:
The patent changes the geometric parameter of the first rolling roller by giving it a tapered shape instead of a cylindrical one. This parameter change allows for more uniform pressure distribution across the pasta dough during rolling, enabling high-speed extrusion while maintaining consistent product appearance and dimensions.
2Manufacturing precision
If conventional rolling rollers are used, then device complexity is reduced, but manufacturing precision and pressure uniformity deteriorate
Solution Approach 1:
The first rolling roller is designed with a tapered shape rather than a standard cylindrical form. This geometric parameter change compensates for pressure variations during rolling, ensuring more uniform pressure distribution across the pasta dough and improving manufacturing precision without requiring complex additional components.
Solution Approach 2:
The patent introduces asymmetry by using a tapered roller shape that is not symmetric like a standard cylinder. This asymmetric design compensates for the natural pressure gradient that occurs during rolling, creating more uniform pressure distribution and improving product consistency.
3Productivity
If standard cylindrical rollers are used, then ease of manufacture is improved, but productivity and uniformity deteriorate due to edge effects
Solution Approach 1:
The tapered shape of the first rolling roller modifies the pressure distribution parameters during extrusion. This design enables high-speed production with uniform product quality by compensating for edge effects, while remaining relatively simple to manufacture compared to complex multi-component systems.
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 device and process enable high-speed, uniform, and reliable pasta production with controlled appearance, facilitating maintenance and reducing edge effects, thus improving industrial efficiency.
Implementation Method 1
at least a first and a second motorized rolling roller disposed inside the tank to force the pasty composition contained in the tank through said extrusion nozzles
Data Source
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AI summary
- Device for manufacturing pasta and corresponding method. - The invention relates to a device (1) for manufacturing pasta comprising a tank (2) designed to contain a paste composition, extrusion nozzles (3) associated with said tank (2) for being fed with the paste composition, and at least a first and a second motorized rolling roller (6, 7) disposed inside the tank (2) for forcing the paste composition contained in the tank (2) through said extrusion nozzles (3), said first motorized roller (6) having a tapered shape of revolution. - Devices and methods for manufacturing food products.