Multi-Stage Compression System for High-Density Baling

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Solution Overview

Problem

Conventional large square balers require high compressive forces and increased power to achieve higher density bales, leading to larger and heavier machinery, higher costs, and increased energy consumption due to friction losses during the compression process.

Innovation Solution

A multiple stage compression system comprising a first and second compression system with rotating compartments and a binding system, where the crop material is partially compressed in the first stage and further compressed and bound in the second stage to achieve higher density bales with reduced power requirements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If a conventional plunger compression system is used to achieve higher density bales, then the density of the crop package is improved, but the size and weight of the flywheel and drive components must be increased to handle the high compressive forces

Engineering Contradiction:
Improvedensity of crop packageVSAvoidweight of flywheel and drive components
Core Design Contradiction:
Quantity of substanceVSWeight of moving object

Solution Approach 1:

The compression process is divided into multiple stages: a first compression system performs initial compression of crop material, then a second compression system performs further compression to achieve final high density. This segmentation allows each stage to operate at lower forces than a single-stage system would require, reducing the size and weight of individual compression components while achieving the same overall density improvement.

Inventive Principle:
Principle #1Segmentation

2Quantity of substance

If a conventional plunger compression system is used to achieve higher density bales, then the density of the crop package is improved, but the power requirements and energy consumption increase due to high compressive forces and friction losses

Engineering Contradiction:
Improvedensity of crop packageVSAvoidpower consumption during compression
Core Design Contradiction:
Quantity of substanceVSUse of energy by moving object

Solution Approach 1:

The compression process is divided into multiple stages: a first compression system performs initial compression of crop material, then a second compression system performs further compression to achieve final high density. This segmentation allows each stage to operate at lower forces than a single-stage system would require, reducing the size and weight of individual compression components while achieving the same overall density improvement.

Inventive Principle:
Principle #1Segmentation

3Quantity of substance

If the chute size is reduced to increase crop density, then the density of the crop package is improved, but the friction between the chute and crop increases, requiring additional power to compensate for energy losses

Engineering Contradiction:
Improvedensity of crop packageVSAvoidenergy wasted due to friction
Core Design Contradiction:
Quantity of substanceVSLoss of energy

Solution Approach 1:

The compression process is divided into multiple stages: a first compression system performs initial compression of crop material, then a second compression system performs further compression to achieve final high density. This segmentation allows each stage to operate at lower forces than a single-stage system would require, reducing the size and weight of individual compression components while achieving the same overall density improvement.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The first compression system performs preliminary compression of the crop material before it enters the second compression system. This preliminary action reduces the volume of material that needs to be compressed in the second stage, thereby reducing the frictional losses and power requirements in the final high-density compression stage.

Inventive Principle:
Principle #10Preliminary action

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 system enables the production of higher density bales with lower power consumption and reduced machinery weight and cost, as the first and second compression systems operate concurrently, allowing for efficient compression and binding of crop material into a compact package.

Implementation Method 1

a first compression mechanism that partially compresses the crop material in a compression chamber

Methodology Applied
Scientific EffectCompression: Compression

Implementation Method 2

a second compression mechanism. The second compression mechanism includes a stationary barrier and at least one actuator which moves a moveable barrier towards the stationary barrier to compress the crop material

Methodology Applied
Scientific EffectCompression: Compression

Data Source

PatentEP3646708B1Agricultural harvesting machine with a multiple stage compression system
Publication Date: 2021.10.27 DEERE & CO
  • EP3646708B1 patent drawingFigure 1
  • EP3646708B1 patent drawingFigure 2
  • EP3646708B1 patent drawingFigure 3

AI summary

An agricultural harvesting machine (110) having a multiple stage compression system includes first and second compression systems (120, 170). The first compression mechanism (150) partially compresses the crop material in a compression chamber (158). The second compression system (170) having first and second compartments (172, 174) each having at least one open end and positioned rearward of the compression chamber (158). The second compression system (170) has a first position in which the first compartment (172) is aligned with the compression chamber (158) and the second compartment (174) is operatively positioned with a second compression mechanism (180). The second compression system (170) has a second position in which the second compartment (174) is aligned with the compression chamber (158) and the first compartment (172) is operatively positioned with a second compression mechanism (180). The second compression system (170) includes a binding system (182) operatively associated with the second compression mechanism (180). At least one of the first and second compartments (172, 174) rotate between the first and second positions.