Gravity and Magnetism Attitude Adjusting Jig for Part Conveyance

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Solution Overview

Problem

Existing part conveyor systems that adjust the attitude of parts with axis and head parts require complex structures and increased manufacturing costs due to the need for drive means like motors.

Innovation Solution

A part conveyor system incorporating an attitude adjusting jig with a recessed part sandwiched by upward slanted surfaces, a groove for holding the axis part, and a magnet to direct the axis part downward, along with a conveyor device, such as a robot, that can load and unload parts without a motor drive, using gravity and magnetic attraction to adjust the part's attitude.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a drive means such as a motor is used to rotate rollers and rotary member for aligning parts, then the alignment function is achieved, but the structure becomes complicated and manufacturing cost increases

Engineering Contradiction:
Improvealignment functionVSAvoidstructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the motor-driven mechanical alignment system with a gravity-based passive alignment system. The inclined surfaces cause parts to slide and self-align under gravity without requiring motors or complex drive mechanisms, thereby achieving the alignment function while dramatically simplifying the structure.

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

Solution Approach 2:

The alignment system utilizes the part's own weight and the inclined surfaces to achieve automatic alignment. The part self-adjusts its position by sliding down the inclined surfaces and being attracted to the groove by the magnet, eliminating the need for external drive means.

Inventive Principle:
Principle #25Self-service

2Reliability

If a motor-driven alignment system is used, then parts can be aligned, but manufacturing cost increases

Engineering Contradiction:
Improvealignment functionVSAvoidmanufacturing cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent eliminates motors and complex mechanical drive systems by using gravity and magnetic attraction. This substitution of active mechanical systems with passive physical forces significantly reduces manufacturing costs while maintaining the alignment function.

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

Solution Approach 2:

The patent uses simple, inexpensive components such as inclined surfaces and a magnet instead of expensive motor-driven mechanisms. These simple components achieve the alignment function at a fraction of the cost of motorized systems.

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

3Manufacturing precision

If complex drive means are used for part alignment, then alignment precision is achieved, but the system structure becomes complicated

Engineering Contradiction:
Improvealignment precisionVSAvoidstructure complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent achieves precise alignment through the geometric design of inclined surfaces and groove positioning rather than through complex motor control systems. The physics of gravity and magnetic attraction provide natural precision without requiring complicated mechanical or electronic control mechanisms.

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

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

This solution simplifies the system structure, reduces manufacturing costs, and shortens the time required to adjust the attitude of parts while conveying them, as the axis part is directed downward under gravity and magnetic influence, allowing stable retention and efficient conveyance.

Implementation Method 1

a magnet which is arranged in the groove part

Methodology Applied
Scientific EffectMagnetic attraction: Magnetism

Implementation Method 2

a recessed part which has an inside space which is sandwiched between a pair of upward slanted surfaces facing each other

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentUS10093025B2Part conveyor system and attitude adjusting jig
Publication Date: 2018.10.09 FANUC LTD
  • US10093025B2 patent drawing
  • US10093025B2 patent drawing
  • US10093025B2 patent drawing

AI summary

The present invention provides a part conveyor system comprising an attitude adjusting jig which adjusts the attitude of a part which has an axis part and a head part, and a conveyor device which takes out and conveys the part from the attitude adjusting jig. The attitude adjusting jig is provided with a recessed part which has an inside space which is sandwiched between a pair of upward slanted surfaces facing each other, a groove part which is formed at the bottom of the recessed part for holding the axis part of the part, and a magnet which is arranged in the groove part.