Thread Rolling Head Energy Recovery Mechanism

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Solution Overview

Problem

Thread rolling heads lack energy efficiency as they require separate power sources and rotary drives for roller operation, leading to energy wastage and frequent battery replacements.

Innovation Solution

Integration of an energy generation device that converts mechanical and thermal energy into electrical energy during operation, eliminating the need for separate power sources and enabling efficient energy harvesting from roller movement and thermal sources.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If separate power sources and rotary drives are used for roller operation, then the thread rolling head can perform its function, but energy efficiency deteriorates due to energy wastage and frequent battery replacements

Engineering Contradiction:
Improveenergy efficiencyVSAvoidenergy wastage
Core Design Contradiction:
Use of energy by moving objectVSLoss of energy

Solution Approach 1:

The patent converts the previously wasted mechanical energy from roller rotation and thermal energy from operation into useful electrical energy through energy generation devices (generators and thermoelectric generators), transforming harmful energy losses into beneficial power sources for electrical consumers

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The thread rolling head generates its own electrical power through energy generation devices that harness mechanical and thermal energy from its own operation, eliminating the need for external batteries and making the system self-sufficient

Inventive Principle:
Principle #25Self-service

2Ease of operation

If batteries are used to power electrical consumers in the thread rolling head, then electrical loads can be supplied, but device complexity increases and maintenance requirements increase due to frequent battery replacements

Engineering Contradiction:
Improvemaintenance requirementVSAvoidpower source complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system eliminates external batteries by incorporating energy generation devices that automatically produce electrical power from the thread rolling head's own mechanical and thermal energy, making the system self-sufficient and maintenance-free

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent merges the power generation function directly into the thread rolling head structure by integrating generators with the roller mechanism and thermoelectric generators with thermal sources, consolidating multiple functions into a unified system

Inventive Principle:
Principle #5Merging (Combining)

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

Enhances energy efficiency by utilizing otherwise lost mechanical and thermal energy, reducing the need for battery replacements and allowing continuous operation of electrical consumers.

Implementation Method 1

The energy generation device can generate electrical energy by means of induction. In particular, the energy generation device can comprise at least one electric coil and at least one magnet, in particular permanent magnet, rotated relative to the at least one electric coil

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

At least one thermoelectric generator, which generates electrical energy from a temperature difference

Methodology Applied
Scientific EffectSeebeck effect: Seebeck Effect

Data Source

PatentEP3501688B1Thread rolling head
Publication Date: 2020.09.02 LMT FETTE WERKZEUGTECHN
  • EP3501688B1 patent drawingFigure 1~3
  • EP3501688B1 patent drawingFigure 4~6
  • EP3501688B1 patent drawingFigure 7

AI summary

The invention relates to a thread rolling head comprising a roller holder (22) for holding rollers (16) for forming a thread on a workpiece (18), wherein the rollers rotate during the thread forming process, wherein an energy recovery device is integrated into the thread rolling head which recovers electrical energy during operation of the thread rolling head.