Modular Decorticating Machine with Interchangeable Drums

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Solution Overview

Problem

Existing decorticating machinery for hemp and other plants is outdated, expensive, and unsuitable for smaller producers due to its size, weight, and lack of modern materials and design, making it inefficient for processing bast fibers.

Innovation Solution

A modular decorticating machine with interchangeable drum assemblies and 3D printed components, including drums with specific tooth patterns and elastomeric springs, that can be customized for different plant types, reducing costs and weight while improving efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If prior art decorticating machinery is used, then bast fiber separation function is provided, but the machinery is expensive and unsuitable for smaller producers

Engineering Contradiction:
Improvemanufacturing costVSAvoiddecortication effectiveness
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The decorticating machine is divided into modular components including interchangeable drum assemblies, comb assemblies, and processing sections. Each module can be independently manufactured and assembled, reducing overall manufacturing cost while maintaining functional effectiveness for bast fiber separation

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent employs wear-resistant but replaceable drum surfaces and toothed components that can be economically replaced when worn, rather than replacing entire machinery sections. This approach reduces long-term operational costs for smaller producers while maintaining decortication effectiveness

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Weight of moving object

If prior art decorticating machinery is used, then bast fiber separation function is provided, but the machinery is large and heavy

Engineering Contradiction:
Improvemachine weightVSAvoidprocessing capacity
Core Design Contradiction:
Weight of moving objectVSProductivity

Solution Approach 1:

The machine is segmented into compact modular units that can be configured in different arrangements. This modular construction reduces overall weight while maintaining processing capacity through efficient space utilization and targeted component placement

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent employs adjustable and interchangeable components such as replaceable drum assemblies and comb configurations that allow the machine to be optimized for different plant types and processing requirements, maintaining productivity across varied applications without requiring a heavy fixed structure

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If prior art decorticating machinery is used, then bast fiber separation function is provided, but the machinery does not take advantage of modern materials and design

Engineering Contradiction:
Improvecustomization for different plant typesVSAvoidsystem configuration
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The decorticating machine is designed with universal interchangeable drum assemblies and comb configurations that can be adjusted to process different plant types including hemp, flax, and other bast fiber plants. This multi-functionality achieves adaptability without proportionally increasing system complexity

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

Solution Approach 2:

The patent utilizes adjustable parameters such as drum speed, tooth configuration, and comb spacing that can be modified to optimize processing for different plant types. These parameter changes provide versatility while maintaining a relatively simple base system architecture

Inventive Principle:
Principle #35Parameter changes

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 modular design allows for cost-effective and efficient separation of bast fibers from plant stalks, accommodating various plant types and enabling smaller producers to utilize modern manufacturing technologies, enhancing processing efficiency and reducing operational costs.

Implementation Method 1

a pair of coil springs or elastomeric polymer springs/bumpers for biasing the upper and lower drums against each other

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS10837125B2Machine and process for decorticating plant matter
Publication Date: 2020.11.17 OHRTMAN JR FRANKLIN D
  • US10837125B2 patent drawing
  • US10837125B2 patent drawing
  • US10837125B2 patent drawing

AI summary

A decorticating machine comprising modular drum assemblies of different tooth and surface patterns that are installed between pairs of left and right lower and upper rails is described. The modular drum assemblies (usually provided in upper and lower drum pairs) and the number thereof can be chosen based on the particulars of the type of stalk being processed.