Edge Banding Feeding Roller Synchronization Mechanism

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Solution Overview

Problem

Existing edge-banding machines face challenges in precisely controlling the length of edge advancement due to imprecision in contact time between rollers, leading to potential misalignment and increased complexity and cost with dedicated actuators and control systems.

Innovation Solution

A device with a single actuator and mechanical connection between the cutting and feeding systems, utilizing a free wheel and gear mechanism to synchronize operations, reducing component count and complexity, and incorporating a counter pressure roller for improved friction and adjustment capabilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If a dedicated actuator and control system are used to precisely control edge advancement length, then manufacturing precision is improved, but device complexity and production cost increase

Engineering Contradiction:
Improveedge advancement length control precisionVSAvoidactuator and control system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent combines the feeding roller and cutting device into a single integrated unit, where the cutting device's reciprocating motion is mechanically coupled to drive the feeding roller. This eliminates the need for a separate dedicated actuator for feeding, reducing device complexity while maintaining precise control through the mechanical linkage with the cutting device.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The cutting device serves dual functions: it not only performs the cutting operation but also mechanically drives the feeding roller to advance the edge banding material. This multi-functionality eliminates the need for separate dedicated actuators for both cutting and feeding operations, reducing overall system complexity and production cost.

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

2Device complexity

If contact time between rollers is used to control edge advancement length, then device complexity is reduced, but manufacturing precision deteriorates due to imprecision in contact time control

Engineering Contradiction:
Improvecontrol system complexityVSAvoidedge advancement length precision
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

The patent replaces pneumatic or electronic contact time control systems with a direct mechanical linkage system. The cutting device's reciprocating motion is mechanically coupled to the feeding roller through a connection, ensuring precise and reliable transmission of motion without the imprecision associated with pneumatic actuator timing control.

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

3Device complexity

If a single actuator is used to control both cutting and feeding functions, then device complexity and production cost are reduced, but control precision may deteriorate

Engineering Contradiction:
Improveactuator and control system complexityVSAvoidedge advancement control precision
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

The patent introduces a mechanical connection as an intermediary between the cutting device and feeding roller. This mechanical linkage acts as a mediator that precisely translates the cutting device's reciprocating motion into controlled rotation of the feeding roller, ensuring accurate edge advancement control while using only a single actuator.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

This solution simplifies control and reduces production costs by integrating edge feeding and cutting functions, ensuring precise edge advancement and adhesion while minimizing the need for additional sensors and control systems.

Implementation Method 1

a gear (9) fitted on said free wheel (8) and a rack (10) meshed with said gear (9)

Methodology Applied
Scientific EffectGear mechanism: Gear

Implementation Method 2

said roller (4) being in contact with a surface (B1) of said edge (B) to feed said edge (B)

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentEP2653277B1Device for feeding an edge in an edge banding machine
Publication Date: 2015.07.08 SAMEC SPA
  • EP2653277B1 patent drawingFigure 1a~1f
  • EP2653277B1 patent drawingFigure 2a~2f
  • EP2653277B1 patent drawingFigure 3

AI summary

The present invention relates to a device for feeding an edge (B) in an edge banding machine comprising a support (3) on which there is mounted a first roller (4) positioned at a first face (B1) of said edge (B), said roller being mounted on a shaft (6) free to rotate on a first axis (Z1) with respect to said support (3), a free wheel (8) fitted on one end (6a) of said shaft (6), a gear (9) fitted on said free wheel (8) and a rack (10) meshed with said gear (9), said rack being connected to actuator means (11) adapted to move a cutting device (2) of said edge (B).