Panel Entry Station Positioning With Robot-Guided Abutment

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Solution Overview

Problem

Current methods for positioning panels in machining machines, such as cutting machines, often result in errors due to manual positioning or complex and costly automated solutions, leading to inefficiencies and delays in the machining process.

Innovation Solution

A method for automatic positioning of panels using a loading device, such as a robot, that positions panels on a resting plane and juxtaposes them with an abutting element using approaching members and pusher groups to ensure accurate placement, minimizing human error and manufacturing costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual positioning is used, then the operator can position the panel, but positioning errors occur leading to incorrect machining

Engineering Contradiction:
Improvemanual positioning operationVSAvoidpanel positioning accuracy
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The system uses the panel's own geometric features (edges, corners) as references for positioning. The robot automatically detects these features and uses them to determine the correct panel orientation and position, eliminating the need for manual positioning operations while ensuring high precision through self-referencing.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical positioning with an automated vision-based system. The robot equipped with detection capabilities automatically identifies panel features and calculates positioning, substituting human operator actions with automated detection and computation processes.

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

2Manufacturing precision

If automatic positioning with extractable pins is used, then positioning accuracy is improved, but device complexity and manufacturing costs increase

Engineering Contradiction:
Improvepanel positioning accuracyVSAvoidadditional abutting element with extractable pins
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent extracts the positioning reference function from separate physical components (like extractable pins) and integrates it into the detection system. The robot detects panel features directly and computes positioning mathematically, removing the need for additional mechanical reference elements.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of using physical reference pins, the system creates a digital model or representation of the panel's geometric features through detection. This digital copy is then used for positioning calculations, replacing physical reference elements with information-based references.

Inventive Principle:
Principle #26Copying

3Manufacturing precision

If automatic positioning with extractable pins is used, then positioning accuracy is improved, but manufacturing costs increase

Engineering Contradiction:
Improvepanel positioning accuracyVSAvoidmanufacturing cost
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The patent uses the panel's existing geometric features as disposable references - each panel serves as its own reference element. This eliminates the need for expensive, reusable positioning fixtures like extractable pins, as the information is extracted directly from the workpiece itself.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The detection system serves multiple functions: it identifies panel features for positioning, verifies panel orientation, and provides data for machining operations. This multi-functional approach replaces multiple specialized components (positioning pins, sensors, fixtures) with a single versatile detection and computation system.

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

Data Source

PatentEP4079477A1Method for automatic positioning of a panel in the entry station of a machine for machining panels in wood and the like
Publication Date: 2022.10.26 SCM GRP
  • EP4079477A1 patent drawingFigure 1~2
  • EP4079477A1 patent drawingFigure 3~4A
  • EP4079477A1 patent drawingFigure 4B~5

AI summary

The present invention relates to a method for automatic positioning of at least one panel (P) in the entry/exit station (3) of a machine (M) for machining panels (P) in wood, ceramic, glass, fiberglass, plastic, metal and the like, of the type comprising at least one loading device (D) of said at least one or more panels (P); wherein said entry/exit station (3) comprises at least one resting plane (21), which extends along a second axis (Y), on which said at least one loading device (D) places said at least one or more panels (P) to be machined; at least one machining unit (2) to perform a machining on said at least one or more panels (P), wherein said at least one machining unit (2) extends along a first axis (X), orthogonal to said second axis (Y), and comprises at least one machine tool movable along a cutting line (T) to perform a machining on said at least one or more panels (P) and at least one approaching member (23) movable along said first axis (X) and capable of contacting said at least one or more panels (P); and an abutting element (4) which extends along said second axis (Y); wherein said method comprises the following steps: 1. positioning, by said at least one loading device (D), said at least one or more panels (P) on said at least one resting plane (21); and 2. juxtaposing, by said at least one approaching member (23), said at least one or more panels (P) to said abutting element (4), in such a way to position said at least one or more panels (P) in a reference position.