Slab Cutting Machine With Vertical Cutting Front for Bidirectional Cuts

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Solution Overview

Problem

Existing machines for cutting slab-shaped elements, such as wooden panels, are limited in making cuts transverse to the normal cutting direction due to structural constraints, which increases production costs and requires significant redesign and larger machine frames.

Innovation Solution

A machine with a prehensile unit that moves slab-shaped elements between cutting units operating in two perpendicular directions, allowing for bidirectional cuts without the need for storage stations, using adjustable and rotatable cutting units with a dynamic cutting front to perform cuts efficiently.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If cutting units are rotated by 90 degrees to perform transverse cuts, then bidirectional cutting capability is improved, but all blades would lie on a single common cutting plane making complete cutting unachievable

Engineering Contradiction:
Improvebidirectional cutting capabilityVSAvoidcutting completeness
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The patent introduces a new spatial dimension by positioning cutting units at different heights (vertical dimension) rather than only rotating them in the horizontal plane. The cutting units are arranged at different vertical levels, allowing transverse cuts to occur at elevated positions while longitudinal cuts occur at lower positions, eliminating the conflict of blades lying on a single plane.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The cutting units are designed to be movable both horizontally and vertically. The horizontal movement allows positioning at different locations, while vertical movement enables adjustment of cutting height. This dynamic positioning system allows the cutting units to operate in three-dimensional space, resolving the geometric conflict of blade alignment.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If cutting units are equipped with rotation apparatus to enable bidirectional cuts, then cutting versatility is improved, but production costs increase

Engineering Contradiction:
Improvebidirectional cutting capabilityVSAvoidproduction cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent replaces the complex mechanical rotation apparatus with a simpler vertical positioning system. Instead of rotating cutting units horizontally to change cutting direction, the system uses vertical movement to position cutting units at different heights, allowing bidirectional cuts without requiring rotation mechanisms.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The cutting units are designed to be movable both horizontally and vertically through a unified positioning system, eliminating the need for separate rotation apparatus. This dynamic positioning capability achieves bidirectional cutting versatility while maintaining simpler, more cost-effective machinery.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If the prehensile unit travel extent in transverse direction is increased to enable complete cutting, then bidirectional cutting capability is improved, but the overall machine frame size increases proportionally

Engineering Contradiction:
Improvebidirectional cutting capabilityVSAvoidmachine frame size
Core Design Contradiction:
Adaptability or versatilityVSLength of stationary object

Solution Approach 1:

The patent utilizes the vertical dimension to resolve the space conflict. By positioning cutting units at different heights, the system enables bidirectional cutting within a compact horizontal footprint. The increased capability is achieved through vertical stacking of cutting operations rather than horizontal expansion of the machine frame.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

4Manufacturing precision

If multiple cutting units are positioned with adjustable interaxes to perform precise cuts, then cutting precision is improved, but device complexity increases

Engineering Contradiction:
Improvecutting precisionVSAvoidcutting unit arrangement
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent designs cutting units with universal positioning capabilities that allow the same unit to perform both longitudinal and transverse cuts at different positions and orientations. This multi-functionality reduces the need for specialized cutting units for each direction, simplifying the overall device arrangement while maintaining cutting precision.

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

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

Enables rapid and simple bidirectional cutting of slab-shaped elements with programmable sizes, improving machine performance and reducing production costs by maintaining a compact structure.

Implementation Method 1

a suction unit (15) carried on board the prehensile unit (5), the suction bars (12) being connected to the suction unit (15), the overall suction action being sufficient to grip, lift and hold each slab-shaped element

Methodology Applied
Scientific EffectSuction: Suction

Data Source

PatentEP3765252B1Machine for cutting to size slab-shaped elements
Publication Date: 2022.07.06 PRISMA AUTOMATION SRL
  • EP3765252B1 patent drawingFigure 1
  • EP3765252B1 patent drawingFigure 2
  • EP3765252B1 patent drawingFigure 3~4

AI summary

A machine to cut to size slab-shaped elements (2A) comprising a station to feed slab-shaped elements (2A) and a station to release and distance sub-elements obtained from the slab-shaped elements (2A), a station to cut the slab-shaped elements (2A) that comprises first cutting means in a first cutting direction and a prehensile unit (5) of the slab-shaped elements (2A), supported mobile to a support frame (6), mobile between the feed station, the cutting station, the release and distancing station, and vice-versa.