Automatic Splicing Device Empty Cavity Detection

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Solution Overview

Problem

The existing automatic splicing devices require manual verification of empty cavities at the connection position, leading to potential operator errors and defective products in component mounting.

Innovation Solution

An automatic splicing device with a connection control device to detect and communicate the quantity of empty cavities to a component mounter, ensuring accurate settings and preventing defective products.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If manual verification of empty cavities is performed by operator, then device complexity is reduced, but manufacturing precision deteriorates due to potential operator errors

Engineering Contradiction:
Improvedevice complexityVSAvoidmanufacturing precision
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

The automatic splicing device performs self-verification of empty cavities through its detection device, eliminating the need for manual operator verification. The device automatically counts and communicates the quantity of empty cavities to the component mounter, ensuring precision without adding significant complexity to the system.

Inventive Principle:
Principle #25Self-service

2Manufacturing precision

If automatic detection of empty cavities is implemented, then manufacturing precision is improved, but device complexity increases due to additional detection and communication systems

Engineering Contradiction:
Improvemanufacturing precisionVSAvoiddevice complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The detection device serves multiple functions: it detects the presence of components in cavities, counts the quantity of empty cavities, and communicates this information to the component mounter. By consolidating these functions into a single device, the patent improves manufacturing precision while minimizing the increase in device complexity.

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

3Ease of operation

If operator visually checks empty cavities, then ease of operation is maintained, but reliability deteriorates due to potential mistakes in setting quantity

Engineering Contradiction:
Improveease of operationVSAvoidreliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The detection device provides automatic feedback to the component mounter about the quantity of empty cavities at the connection position. This feedback mechanism eliminates manual counting errors and ensures reliable setting of empty cavity quantities, while the automated process remains easy to operate through simple insertion of tapes into the splicing device.

Inventive Principle:
Principle #23Feedback

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 automatic detection and communication of empty cavities enable precise component mounting, enhancing efficiency and preventing defective products by automating the setting of empty cavities at the connection position.

Implementation Method 1

a suction nozzle that picks up the component

Methodology Applied
Scientific EffectSuction: Suction

Implementation Method 2

a blowing nozzle that blows off the component picked up by the suction nozzle

Methodology Applied
Scientific EffectAir flow: Jet

Data Source

PatentEP3280238B1Automatic splicing device and component mounting apparatus
Publication Date: 2020.10.21 FUJI CORP
  • EP3280238B1 patent drawingFigure 1
  • EP3280238B1 patent drawingFigure 2~3B
  • EP3280238B1 patent drawingFigure 4

AI summary

An automatic splicing device (20) provided with a communication device (40) configured to communicate with a component mounter (M) or a host computer (HC) that is connected to the component mounter (M) such that communication is possible, a connection control device (100 [103]) configured to control connecting of the a first tape (Tc) and a second tape (Tc), and a display device (90) configured to display information related to connecting of the first tape (Tc) and the second tape (Tc).