Deformable Ring Extruder Port for Complex Ceramic Geometries

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Solution Overview

Problem

Existing extruder devices are limited in producing complex three-dimensional geometries, particularly for ceramic materials, requiring multiple devices to achieve varied shapes and being cost-intensive.

Innovation Solution

An extruder device with a deformable ring extruder port composed of multiple links that can be adjusted radially and circumferentially, equipped with a hydraulic adjustment device and non-stick ultrasound features, allowing for precise shape customization and pressure control to produce complex geometries without the need for multiple devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a common extruder device with a fixed extruder port is used, then the device structure is simple and easy to manufacture, but the ability to produce complex three-dimensional geometries is limited

Engineering Contradiction:
Improveability to produce complex geometriesVSAvoidextruder device structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The extruder port is segmented into multiple independent links that can be individually adjusted. Each link can be positioned radially and circumferentially to define different portions of the extrusion cross-section, enabling complex geometries while maintaining a modular, manageable structure

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The extruder port transitions from a fixed structure to a dynamically adjustable one. The links can be repositioned during operation to change the extrusion geometry, allowing a single device to produce multiple complex shapes without structural overhaul

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If multiple extruder devices are used to produce different geometries, then various shapes can be manufactured, but the production cost increases

Engineering Contradiction:
Improveshape varietyVSAvoidproduction cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

A single extruder device is designed to perform multiple functions by adjusting the positions of the links in the extruder port. This universal device can produce various complex geometries that would otherwise require multiple specialized extruders, significantly reducing production costs

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

3Adaptability or versatility

If the extruder port is made deformable with multiple links, then shape flexibility is increased, but the device complexity increases

Engineering Contradiction:
Improveshape customization flexibilityVSAvoidadjustment mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Hydraulic actuators are used to control the positions of the links in the extruder port. This provides precise and smooth adjustment of link positions radially and circumferentially, enabling complex shape customization while using a well-established control technology

Inventive Principle:
Principle #29Pneumatics and hydraulics

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

Enables the production of a wide range of complex shapes and geometries using a single extruder device, reducing production costs and complexity, especially for ceramic components.

Implementation Method 1

equipped with a hydraulic adjustment device

Methodology Applied
Scientific EffectHydraulic pressure: Hydraulic Press

Implementation Method 2

non-stick ultrasound features

Methodology Applied
Scientific EffectUltrasonic vibration: Ultrasonic Vibration

Data Source

PatentEP3468767B1Extruder device for manufacturing moulded components
Publication Date: 2020.08.05 BOSCH SIEMENS HAUSGERATE GMBH
  • EP3468767B1 patent drawingFigure 1~2
  • EP3468767B1 patent drawingFigure 3~4

AI summary

The invention relates to an extruder device (1) for manufacturing moulded components (14), comprising a conveyor container (4) and a feeding device (5) for feeding a material (6) to be extruded into the conveyor container (4), and comprising a shaping extruder port (7) as output of the conveyor container (4), wherein the extruder port (7) comprises a ring (12) that is deformable in itself and is formed of a multitude of links (13) that are movable relative to each other.