Wood Splitting Device with Pressing Elements for Partial Fracture Control

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Solution Overview

Problem

Current automatic chopping machines for firewood produce separate pieces that require additional manual handling and packaging, leading to inefficiencies in storage, transportation, and burning, as well as increased flue gas emissions due to improper loading in fireplaces.

Innovation Solution

A method and device for controlled partial splitting of wood billets, allowing sections to be left partially fastened together, enabling efficient industrial manufacture, prepackaging, and easy detachment by the end-user, using pressing elements and splitting blades to manage the splitting motion and fastening areas.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If firewood is produced as separate pieces by conventional chopping machines, then the firewood can be easily handled individually, but additional manual handling and packaging are required, increasing labor and reducing efficiency

Engineering Contradiction:
Improveease of handlingVSAvoidmanufacturing efficiency
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The firewood production process is segmented into two distinct phases: an industrial phase using automatic chopping machines to produce bulk firewood, and a consumer phase where magnetic separation enables easy individual handling. This segmentation allows each phase to optimize for its specific requirements, resolving the contradiction between industrial efficiency and individual handling ease.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Magnetic markers are introduced as an intermediary element attached to firewood pieces. These markers enable automatic detection and sorting by chopping machines while also providing a simple magnetic interaction point for consumer handling. The intermediary bridges the gap between industrial automation requirements and consumer ease-of-use requirements.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If firewood is produced in large quantities by automatic chopping machines, then productivity increases, but additional packaging and storage infrastructure is required, increasing device complexity

Engineering Contradiction:
Improveproduction volumeVSAvoidpackaging and storage infrastructure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The packaging function is extracted from the firewood itself and replaced by magnetic markers. Instead of requiring complex packaging infrastructure to handle bulk firewood, the magnetic markers enable direct handling of individual pieces through simple magnetic interaction, eliminating the need for elaborate packaging and storage systems while maintaining high productivity.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The physical properties of firewood handling are changed by introducing magnetic markers. The interaction mechanism transitions from mechanical grasping of bulk material to magnetic attraction of individual marked pieces, fundamentally changing how firewood is handled at both production and consumption stages, thereby reducing infrastructure complexity.

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If firewood is manually loaded into fireplaces, then flexibility in loading is maintained, but labor intensity increases and burning efficiency decreases due to improper loading

Engineering Contradiction:
Improveloading flexibilityVSAvoidburning efficiency
Core Design Contradiction:
Ease of operationVSLoss of energy

Solution Approach 1:

The magnetic marker system enables consumers to easily and accurately load firewood into fireplaces themselves, without requiring professional assistance or complex loading mechanisms. The simple magnetic interaction allows individuals to efficiently handle and position firewood pieces, maintaining loading flexibility while improving burning efficiency through proper loading techniques.

Inventive Principle:
Principle #25Self-service

4Extent of automation

If conventional chopping machines are used, then firewood production is automated, but flue gas emissions increase due to improper firewood preparation and loading

Engineering Contradiction:
Improveproduction automationVSAvoidflue gas emissions
Core Design Contradiction:
Extent of automationVSObject-generated harmful factors

Solution Approach 1:

The magnetic marker system provides feedback capability to automatic chopping machines, enabling them to detect, sort, and prepare firewood pieces with precise control over size and orientation. This feedback loop ensures firewood is optimally prepared for burning, which improves combustion efficiency and reduces flue gas emissions, thereby resolving the contradiction between automation and environmental harm.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP3307503B1Method and device for splitting a piece
Publication Date: 2021.11.10 ESMOCON OY
  • EP3307503B1 patent drawingFigure 1~2

AI summary

The object of the invention is a method and a device for splitting a piece. In the method the piece (1) is pressed in a direction intersecting with a splitting direction by pressing elements (3) during a machining motion (L1) of a splitting element (2) and the machinable piece (1) and splitting the piece partially. The device includes a body (5), a splitting element (2) for splitting a piece (1) settable in the device and a pressing element (3) for pressing splittable pieces during a splitting motion, the pressing direction of which pressing element (3) is intersecting in relation to the splitting direction. The pressing element of the device is arranged pressable in a fastening area of the splittable piece (1) in order to keep the fastening area uniform and to split the piece partially.