Ceramic Powder Feeding Assembly for Precise Multi-Material Distribution

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Solution Overview

Problem

Existing plants for manufacturing ceramic articles face challenges with complex, cumbersome, and costly devices for selective feeding of different types of powder materials, leading to imprecise and non-repeatable distribution.

Innovation Solution

A compacting machine and plant with a simplified feeding assembly using transfer moving parts and actuators to control the distribution of multiple powder types, allowing precise and repeatable distribution through a conveyor assembly, reducing the need for bulkheads and gaskets.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If complex selective feeding devices are used to distribute different powder types, then the ability to create chromatic and physical effects is improved, but the device complexity and manufacturing cost increase

Engineering Contradiction:

Improveability to create chromatic and physical effectsVSAvoidfeeding device complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The feeding device is divided into multiple independent feeding zones, each capable of receiving and distributing different powder types. This segmentation allows versatile material distribution without requiring a single complex selective feeding mechanism, thereby reducing overall device complexity while maintaining the ability to create chromatic and physical effects.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Each feeding zone is designed to handle multiple powder types simultaneously, giving each zone multi-functional capabilities. This universal approach eliminates the need for dedicated feeding mechanisms for each powder type, simplifying the overall device structure while preserving adaptability for creating various chromatic and physical effects in ceramic articles.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Ease of manufacture

If traditional selective feeding devices are used, then powder distribution capability is provided, but manufacturing precision and repeatability of distribution are insufficient

Engineering Contradiction:

Improvepowder distribution capabilityVSAvoiddistribution precision and repeatability

Core Design Contradiction:

Ease of manufactureVSManufacturing precision

Solution Approach 1:

The system incorporates sensors and control mechanisms that monitor powder distribution in real-time and provide feedback to the feeding zones. This feedback loop enables automatic adjustment of feeding parameters, ensuring high precision and repeatability in powder distribution while maintaining ease of manufacture through standardized feeding zone designs.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The feeding zones are designed with dynamic adjustment capabilities, allowing real-time modification of feeding rates and distribution patterns. This dynamic control ensures precise and repeatable powder distribution across different production conditions without requiring complex manual intervention, thereby maintaining ease of manufacture while achieving high manufacturing precision.

Inventive Principle:

Principle #15Dynamics

3Reliability

If multiple bulkheads and gaskets are used in feeding devices, then powder containment is improved, but assembly complexity and manufacturing cost increase

Engineering Contradiction:

Improvepowder containmentVSAvoidassembly complexity and cost

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The feeding zones utilize flexible sealing elements and thin-film barriers instead of multiple rigid bulkheads and gaskets. This approach maintains effective powder containment while significantly reducing assembly complexity and manufacturing cost, as the flexible sealing solutions require fewer components and simpler installation procedures compared to traditional bulkhead-and-gasket constructions.

Inventive Principle:

Principle #30Flexible shells and thin films

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 solution enables precise and cost-effective distribution of multiple powder types, facilitating the creation of chromatic and physical effects in ceramic articles, while minimizing assembly complexity and costs.

Implementation Method 1

a conveyor assembly (5), which is adapted to transport (in a substantially continuous manner) the powder material (CP) along a given path through a work station (4)

Methodology Applied

Scientific EffectConveyor transport:

Implementation Method 2

a compacting device (3), which is adapted, through the cooperation of pressure rollers, to compact the powder material (CP) so as to obtain a layer of compacted powder

Methodology Applied

Scientific EffectPressure compression: Compression

Data Source

PatentUS12564982B2Compacting machine and plant for manufacturing ceramic articles

Publication Date: 2026.03.03 SACMI COOPERATIVA MECCANICI IMOLA SOC COOP ARL

AI summary

A plant for manufacturing ceramic articles comprising two feeding devices, each of which is configured to contain a powder material of a respective type and feed this powder material to a conveyor assembly. The plant further comprises an operating device, which is configured to allow the powder material to exit selectively from zones of the feeding devices arranged in succession crosswise to the movement direction, moving vertically and independently from one another a plurality of transfer moving parts, each provided with a transit channel through which the powder material moves to reach the conveyor assembly.