Magnetic Core Pick-and-Place Heating for Adhesive Component Release

Solution Overview

Problem

Existing pick & place tools are complex and expensive due to the need for multiple capabilities, such as attaching and detaching components, which complicates their design and functionality.

Innovation Solution

A pick & place system utilizing a magnetic core for both magnetic coupling and heating of components, with a controller providing AC and DC currents to an inductive coil to magnetically attract and thermally engage components, allowing for efficient attachment and detachment by sequencing electrical excitation signals.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple capabilities (attachment and detachment functions) are integrated into pick & place tools, then functionality and versatility are improved, but device complexity and cost increase

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines attachment and detachment functions into a single integrated tool by merging a heating element with a magnetic attractor. The heating element softens adhesive to enable detachment, while the magnetic attractor provides attachment force, allowing one tool to perform multiple operations that previously required separate devices

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The pick & place tool is designed with universal functionality to perform both attachment and detachment operations. By incorporating a heating element that can soften adhesive and a magnetic attractor that can hold components, the tool becomes multi-functional and can handle various assembly and disassembly tasks without requiring multiple specialized tools

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

2Adaptability or versatility

If multiple capabilities (attachment and detachment functions) are integrated into pick & place tools, then functionality and versatility are improved, but cost increases

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent combines attachment and detachment functions into a single integrated tool by merging a heating element with a magnetic attractor. The heating element softens adhesive to enable detachment, while the magnetic attractor provides attachment force, allowing one tool to perform multiple operations that previously required separate devices

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The pick & place tool is designed with universal functionality to perform both attachment and detachment operations. By incorporating a heating element that can soften adhesive and a magnetic attractor that can hold components, the tool becomes multi-functional and can handle various assembly and disassembly tasks without requiring multiple specialized tools

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 efficient and cost-effective attachment and detachment of components by reducing adhesive strength through heating and magnetic attraction, simplifying the system design and operation while maintaining precision and versatility.

Implementation Method 1

A controller provides AC and DC currents to an inductive coil wound about the magnetic core. DC current provided to the inductive coil induces a magnetic field within the magnetic core, thereby magnetically attracting the component when engaged with the component engagement surface.

Methodology Applied
Scientific EffectMagnetic attraction: Magnetism

Implementation Method 2

AC current provided to the magnetic core inductively heats the magnetic core, thereby heating the component when engaged with the component engagement surface

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 3

thereby heating the component when engaged with the component engagement surface

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentEP4292408B1Electromagnetic pick & place induction heater
Publication Date: 2024.10.30
  • EP4292408B1 patent drawingFigure 1A~1B
  • EP4292408B1 patent drawingFigure 2
  • EP4292408B1 patent drawingFigure 3A~3C

AI summary

Apparatus and associated methods relate to a pick & place system that uses a magnetic core for both magnetic coupling with an assembly component and heating of the assembly component. The magnetic core has a component engagement surface configured to magnetically and thermally engage the component. A controller is configured to provide both AC current and DC current to an inductive coil wound about the magnetic core. DC current provided to the inductive coil induces a magnetic field within the magnetic core, thereby magnetically attracting the component when engaged with the component engagement surface. AC current provided to the magnetic core inductively heats the magnetic core, thereby heating the component when engaged with the component engagement surface.