Rotating Belt Feeding Mechanism for Ceramic Powder Compaction

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Solution Overview

Problem

Existing methods for compacting ceramic powders face issues such as powder agglomeration and clogging, uncontrolled distribution during transport, and mismatched vein patterns in ceramic articles, affecting structural quality and aesthetics, particularly when producing products that mimic natural stones like marble or granite.

Innovation Solution

A machine and method featuring a feeding assembly with a transfer chamber and advancing assembly that includes movable belts and pulleys to facilitate continuous powder feeding and maintain precise distribution, along with a control system to regulate powder flow and distribution, ensuring consistent mixing and reduced clogging.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a feeding assembly is used to transport powder material continuously, then productivity is improved, but powder agglomeration and clogging occur affecting reliability

Engineering Contradiction:
Improvecontinuous production capabilityVSAvoidfeeding stability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The belt conveyor is rotated in an integral manner with the channel, changing its orientation from vertical to horizontal as the channel rotates. This dynamic movement prevents powder from settling and agglomerating in the feeding channel, maintaining continuous flow without clogging while ensuring reliable feeding operation

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The channel is designed to rotate the belt conveyor to a horizontal orientation before powder feeding begins, and to a vertical orientation after feeding completes. This preliminary positioning action ensures the feeding path is optimized to prevent agglomeration before the process starts, and to clear the channel after feeding ends

Inventive Principle:
Principle #10Preliminary action

2Productivity

If powder material is transported through a feeding assembly, then productivity increases, but uncontrolled powder distribution occurs affecting manufacturing precision

Engineering Contradiction:
Improvecontinuous feeding rateVSAvoidpowder distribution control
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The integral rotation of the belt conveyor with the channel dynamically adjusts the feeding geometry. This ensures consistent powder distribution patterns throughout continuous operation, preventing uncontrolled distribution while maintaining high productivity through uninterrupted feeding

Inventive Principle:
Principle #15Dynamics

3Device complexity

If a simple feeding channel is used, then device complexity is reduced, but powder agglomeration and clogging increase affecting ease of operation

Engineering Contradiction:
Improvefeeding mechanism structureVSAvoidfeeding smoothness
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The belt conveyor integrated with the rotatable channel provides a dynamic feeding solution that prevents agglomeration and clogging through motion alone, rather than requiring complex auxiliary mechanisms. This maintains operational smoothness while keeping the overall device structure relatively simple

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3846988B1Machine and method for compacting a powder material
Publication Date: 2023.07.19 SACMI COOPERATIVA MECCANICI IMOLA SOC COOP ARL
  • EP3846988B1 patent drawingFigure 1
  • EP3846988B1 patent drawingFigure 2
  • EP3846988B1 patent drawingFigure 3

AI summary

Machine and method for compacting a powder material (CP); the machine (2) comprises a compacting device (3), which is designed to compact the powder material (CP); a conveyor assembly (5) to transport the powder material (CP) along a first portion (PA) of a given path to the compacting device (3); and a feeding assembly (9), which is designed to feed the powder material (CP) to the conveyor assembly (5) and comprises a transfer chamber (TC) designed to hold and transfer the powder material (CP); movable elements (13) are present at a wall of the transfer chamber (CP).