Rotary Grain Discharge Assembly with Segmented Gate

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Solution Overview

Problem

Current grain conveying systems face difficulties with discharge spouts due to manufacturing challenges and operational issues such as dust and debris accumulation, leading to increased friction and jamming in curved movable gates.

Innovation Solution

A controllable rotary discharge assembly with a rotatable tube section and a flexible sheet to block or allow grain flow, enabling modular and efficient discharge in grain handling systems, which can be manually or electrically controlled.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a curved movable gate is used in a discharge spout, then grain flow can be controlled, but manufacturing difficulty increases due to closely-toleranced requirements

Engineering Contradiction:
Improvegrain flow controlVSAvoidclosely-toleranced curved gate
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The discharge spout is divided into a stationary tube section and a movable gate section that can be independently manufactured and assembled. The movable gate is further segmented into a gate body and a gate tail, allowing each component to be manufactured separately with standard tolerances and then assembled together, eliminating the need for complex curved gates with closely-toleranced joints.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Instead of using a curved gate that requires precise manufacturing, the invention uses a substantially straight gate with a gate tail that engages with a slot in the stationary tube. This inverts the traditional approach by using a simple linear gate geometry with a dedicated engagement mechanism, thereby simplifying manufacturing while maintaining flow control capability.

Inventive Principle:
Principle #13The other way round (Inversion)

2Ease of operation

If a movable gate is used to control discharge, then grain flow can be regulated, but operational difficulty increases due to dust and debris accumulation

Engineering Contradiction:
Improvegrain flow regulationVSAvoidgate jamming
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The gate tail is extracted as a separate engagement component that specifically interacts with the slot in the stationary tube. This separation allows the main gate body to have a simple straight geometry that is less prone to dust accumulation, while the gate tail provides the necessary mechanical engagement for smooth operation and easy removal of debris.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The movable gate is designed with simple, easily replaceable components. If dust and debris do cause jamming, the entire gate assembly can be quickly removed and replaced without complex disassembly, effectively treating the gate as a consumable component that can be easily maintained or replaced.

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

3Ease of operation

If a curved movable gate with gear racks is used, then the gate can be opened and closed, but friction increases leading to jamming

Engineering Contradiction:
Improvegate opening and closingVSAvoidfriction
Core Design Contradiction:
Ease of operationVSForce

Solution Approach 1:

The gate is segmented into a gate body and gate tail, with the gate tail providing a dedicated engagement point with the stationary tube slot. This segmentation creates a defined mechanical interface that reduces unnecessary friction surfaces compared to a curved gate design, where the entire curved surface contacts the tube.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention inverts the traditional curved gate design by using a substantially straight gate with a gate tail that engages in a slot. This creates a simpler mechanical interface with fewer contact points and reduced friction, making gate operation easier and less prone to jamming.

Inventive Principle:
Principle #13The other way round (Inversion)

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 rotary discharge assembly provides a reliable, low-friction, and easily maintainable solution for grain flow control, reducing jamming and improving operational efficiency in grain handling systems.

Implementation Method 1

A rotatable tube section (44) having an opening (46) through which product is discharged... When the tube is positioned in an operational orientation, grain exits through the opening for discharge from the assembly... A lower spout receives grain exiting the discharge assembly and directs the grain

Methodology Applied
Scientific EffectGravity: Gravitation

Implementation Method 2

The tube opening may be a single elongated opening or may include multiple tube openings through which product is discharged... When the tube is returned to a non-operational condition, the tube opening is blocked and grain is prevented from exiting through the opening

Methodology Applied
Scientific EffectPhysical blocking: Physical Containment

Data Source

PatentUS10683174B2Rotary discharge assembly for grain conveying apparatus
Publication Date: 2020.06.16 AG GROWTH INTERNATIONAL INC
  • US10683174B2 patent drawing
  • US10683174B2 patent drawing
  • US10683174B2 patent drawing

AI summary

A flow-through discharge assembly having a rotatable tube section and an opening through which product is discharged and a positioning apparatus for rotating the tube section between operation and non-operational conditions. When the tube is positioned in an operational orientation, grain exits through the opening for discharge from the assembly. When the tube is returned to a non-operational condition, the tube opening is blocked and grain is prevented from exiting through the opening. The tube opening may be a single elongated opening or may include multiple tube openings through which product is discharged. A method of using a rotary discharge assembly to control grain flow within a grain handling system is also disclosed.