Bale Wrapping Machine Unitary Chassis and Rotating Arms

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Solution Overview

Problem

Existing bale wrapping machines are complex and require a large number of parts, making them inefficient and difficult to operate, especially when wrapping already formed bales without causing damage.

Innovation Solution

A bale wrapping machine with a simple and versatile design, featuring three rotating wrapping arms, a cut and hold mechanism, and a unitary chassis that reduces the number of parts and enhances structural strength, allowing for easy mounting on various tractor linkages and operation in different configurations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a bale wrapping machine uses a complex design with multiple parts to achieve efficient wrapping, then the wrapping productivity is improved, but the device complexity increases and ease of operation deteriorates

Engineering Contradiction:

Improvewrapping outputVSAvoidnumber of parts

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The patent combines multiple functions into integrated components. The loading arm incorporates both bale engagement and lifting functions, the wrapping arms integrate film dispensing and cutting capabilities, and the chassis unifies support and mounting functions. This merging reduces the total number of separate parts while maintaining comprehensive wrapping functionality and high productivity.

Inventive Principle:

Principle #5Merging (Combining)

2Device complexity

If a bale wrapping machine uses a simple design with fewer parts, then the device complexity is reduced and ease of operation is improved, but the reliability and wrapping precision deteriorate

Engineering Contradiction:

Improvenumber of partsVSAvoidhandling damage

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The patent employs curved and rounded design elements in critical contact areas. The loading arm features a curved engagement surface that gently guides bales onto the wrapping platform, preventing impact damage. The wrapping arms have rounded film dispensing surfaces that apply film smoothly without creasing or damaging the bale. These curved geometries maintain reliability by distributing forces evenly while keeping the overall design simple.

Inventive Principle:

Principle #14Spheroidality (Curvature)

3Adaptability or versatility

If a bale wrapping machine is designed for versatility in mounting configurations, then the adaptability is improved, but the device complexity increases

Engineering Contradiction:

Improvemounting configurationsVSAvoidstructural design

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent designs the chassis with universal mounting capabilities that can accommodate multiple tractor linkage configurations (front three-point, rear three-point, loader mounts) without requiring structural modifications. The standardized mounting interfaces and adjustable arm positions enable the same basic structure to function in diverse operational settings, achieving versatility through design standardization rather than multiple specialized components.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentEP3932178B1Improvements in and relating to bale wrapping machines

Publication Date: 2025.02.19 IDOUGH INVESTMENT COMPANY

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AI summary

Improvements in and relating to Bale Wrapping Machines A wrapping machine with novel wrapping arms, loading arms and unitary chassis.