Automated Brush Replacement for Substrate Separation

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Solution Overview

Problem

Existing isolation facilities for flat substrates require manual intervention for brush replacement, leading to inefficiencies and increased contamination risks due to wear and tear on brushes.

Innovation Solution

An automated isolation facility with a transport device equipped with a gripper that can exchange brushes without human intervention, utilizing a brush magazine for storage and easy replacement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If manual brush replacement is implemented, then brush maintenance is simple and reliable, but automation level is low and causes operational interruptions

Engineering Contradiction:
Improveautomation levelVSAvoidsystem complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The transport device is designed to perform multiple functions: it transports individual substrates during normal operation and also replaces brushes when needed. This multi-functionality eliminates the need for separate brush replacement mechanisms, achieving automation without proportionally increasing system complexity

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

Solution Approach 2:

The system enables self-service operation where the transport device automatically performs brush replacement without human intervention. The brush is detachably mounted on the brush holder, allowing the transport device to independently remove worn brushes and install new ones, thereby automating maintenance tasks

Inventive Principle:
Principle #25Self-service

2Reliability

If brush replacement frequency is increased, then suction performance is maintained and contamination is reduced, but operational downtime increases

Engineering Contradiction:
Improvesuction performanceVSAvoidthroughput
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The automated brush replacement system allows the separating device to maintain its own brush components without external intervention. The transport device automatically detects when brush replacement is needed and performs the replacement during substrate transport cycles, ensuring suction performance is maintained without requiring dedicated downtime for maintenance

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system enables continuous operation by integrating brush replacement into the existing substrate transport cycles. Instead of stopping production for brush maintenance, the transport device performs brush replacement during normal operational intervals, maintaining continuous useful action and preventing interruptions to the separating device's productivity

Inventive Principle:
Principle #20Continuity of useful action

3Productivity

If automated brush replacement is implemented, then productivity is maintained and automation level increases, but device complexity increases

Engineering Contradiction:
ImprovethroughputVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The transport device serves dual purposes: transporting substrates during normal operation and replacing brushes during maintenance. This multi-functionality allows automated brush replacement without adding separate dedicated mechanisms, thereby maintaining productivity while minimizing the increase in overall system complexity

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

Solution Approach 2:

The automated brush replacement system uses the existing transport device's capabilities rather than implementing a complete separate automation system. By partially utilizing the transport device's functionality for brush replacement, the system achieves automated maintenance with minimal additional complexity while preserving full productivity

Inventive Principle:
Principle #16Partial or excessive action

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

The automated system enables continuous operation without manual intervention, reducing downtime and increasing throughput by ensuring regular and efficient brush replacement, thereby minimizing contamination and maintaining high processing quality.

Implementation Method 1

a suction device with at least one suction opening assignable to the holding device for removing chips and/or dust arising during the separation

Methodology Applied
Scientific EffectSuction: Suction

Implementation Method 2

the brush rests against, for example, the underside of the entire substrate while the separating device is processing the substrate

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentEP4554343A1Separating device for flat substrates
Publication Date: 2025.05.14 ASYS AUTOMATISIERUNGSSYST
  • EP4554343A1 patent drawingFigure 1
  • EP4554343A1 patent drawingFigure 2~3
  • EP4554343A1 patent drawingFigure 4~5

AI summary

The invention relates to a singulation device (1) for planar substrates, comprising a holding device (3) for holding a planar total substrate (14), a separating device (5) for separating at least one individual substrate (16) from the total substrate (14) by machining, a movable transport device (11) for transporting the individual substrates (16), a suction device (18) with at least one suction opening (19) attributable to/associated with the holding device (3) for removing chips and/or dust generated during separation, and at least one ring-shaped brush (17), wherein the brush (17) surrounds the suction opening (19). It is provided that the brush (17) is detachably held on a brush holder (38), and that the transport device (9) is designed to detach the brush (17) from the brush holder (38) and/or to attach it to the brush holder (38).