Multi-Chamber Square Baler for Higher Capacity and Bale Consistency

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Solution Overview

Problem

Current square balers have limitations in increasing baling capacity due to knotter assembly reliability concerns at high speeds and user preferences for consistent bale sizes, leading to inefficiencies and maneuverability issues when using multiple balers.

Innovation Solution

A high-capacity square baler design featuring multiple baling chambers and a synchronized gearbox system that allows for simultaneous formation of multiple bales from a single windrow, with independent knotter assemblies for precise bale sizing and securement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If plunger speed is increased to increase baling capacity, then productivity improves, but knotter assembly reliability deteriorates

Engineering Contradiction:
Improvebaling capacityVSAvoidknotter assembly reliability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The single baling chamber is divided into multiple baling chambers (e.g., two chambers), each with its own plunger and knotter assembly. This segmentation allows the system to process multiple windrows simultaneously at lower speeds, maintaining productivity while improving knotter reliability since each knotter operates at reduced speed on its own chamber.

Inventive Principle:
Principle #1Segmentation

2Productivity

If thicker flakes are used to increase baling capacity, then productivity improves, but manufacturing precision deteriorates

Engineering Contradiction:
Improvebaling capacityVSAvoidbale length consistency
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

Multiple baling chambers process separate windrows into separate bales, allowing each chamber to maintain consistent flake thickness for its assigned windrow. This segmentation enables increased overall capacity while preserving bale length consistency in each individual bale, as each chamber operates independently with controlled flake formation.

Inventive Principle:
Principle #1Segmentation

3Productivity

If two separate balers are used to increase baling capacity, then productivity improves, but device complexity increases

Engineering Contradiction:
Improvebale productionVSAvoidmaneuverability
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

Multiple baling chambers are merged into a single integrated baler unit, sharing common structural support, power transmission components, and control systems. This merging achieves the productivity of multiple balers while reducing overall complexity and improving maneuverability, as the combined unit is more compact and easier to transport than two separate balers.

Inventive Principle:
Principle #5Merging (Combining)

4Productivity

If multiple baling chambers are used to increase capacity, then productivity improves, but device complexity increases

Engineering Contradiction:
Improvebale productionVSAvoidmechanical system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The gearbox system is designed as a universal multi-functional component that simultaneously drives multiple plungers and knotter assemblies across different baling chambers. This universal gearbox reduces overall device complexity by consolidating power transmission functions into a single component that serves multiple purposes, rather than requiring separate drive systems for each chamber.

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

Data Source

PatentEP3886563B1High capacity baler
Publication Date: 2024.03.06 GREAT PLAINS MANUFACTURING INC
  • EP3886563B1 patent drawingFigure 1
  • EP3886563B1 patent drawingFigure 2
  • EP3886563B1 patent drawingFigure 3

AI summary

A high capacity square baler comprising a pickup mechanism configured to pick up a single windrow of crop material off the ground. The baler additionally comprises one or more stuffer chutes each configured to receive at least a portion of the crop material picked up by the pickup mechanism. The baler additionally comprises one or more stuffer assemblies each configured to push crop generally upward through one of the stuffer chutes. The baler further comprises a plurality of separate bale-forming chambers each configured to receive crop material from one or more of the stuffer chutes and to form a bale of crop material therein.