Modular Electrocoating Rack with Grounding Insert

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Solution Overview

Problem

Conventional coating racks are component-specific, inflexible, costly, difficult to maintain, and inefficient in maximizing component coating capacity, with issues in electrical grounding and buoyancy causing components to detach during electrocoating.

Innovation Solution

A modular rack design with a horizontal top and bottom bar system, including side bars and a grounding insert, that securely holds and electrically connects components of varying shapes and sizes, using springs and hooks for secure attachment and efficient electrocoating, and a load member for improved handling and flexibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If dedicated fixtures are used to hold components, then components can be securely held during coating, but the fixtures become component-specific making them costly, inflexible and difficult to store

Engineering Contradiction:

Improvecomponent holding securityVSAvoidfixture flexibility

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The rack uses standardized horizontal bars with universal fixtures that can accommodate multiple component types and sizes. The fixtures are designed to be interchangeable and adaptable to different component geometries, eliminating the need for dedicated component-specific fixtures while maintaining secure holding during coating operations.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The rack system is divided into modular components including horizontal bars, vertical bars, and interchangeable fixtures. This segmentation allows individual fixtures to be adjusted or replaced based on component requirements, providing both security and flexibility without requiring entirely dedicated fixtures for each component type.

Inventive Principle:

Principle #1Segmentation

2Device complexity

If components are merely hanging from racks during electrocoating, then the rack structure is simple, but buoyancy causes components to detach and obstruct system operation

Engineering Contradiction:

Improverack structure simplicityVSAvoidcomponent attachment reliability

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The rack system incorporates clamps and securing mechanisms that actively counteract the buoyant force acting on components during electrocoating. These fixtures are designed to apply sufficient downward or restraining force to prevent detachment, while the overall rack structure remains relatively simple and easy to assemble.

Inventive Principle:

Principle #8Anti-weight (Counterweight)

3Reliability

If conventional dedicated racks are used, then components can be held during coating, but the weight of the racks reduces the number of components that can be added before reaching weight limit

Engineering Contradiction:

Improvecomponent holding capabilityVSAvoidcoating cycle capacity

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The rack is designed as a modular system with separate horizontal bars, vertical bars, and fixtures. This segmentation allows for optimized weight distribution and enables the use of lighter materials or thinner-walled construction in non-critical areas, increasing the weight capacity available for components while maintaining structural integrity for holding components securely.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The rack structure applies material and structural strength locally where needed for component support, rather than uniformly throughout the entire structure. This allows critical load-bearing areas to be reinforced while other areas use minimal material, reducing overall rack weight and increasing component capacity.

Inventive Principle:

Principle #3Local quality

4Productivity

If conventional racks are used for electrocoating, then components can be processed, but it is difficult to ensure electrical grounding of components

Engineering Contradiction:

Improveelectrocoating process capabilityVSAvoidelectrical grounding reliability

Core Design Contradiction:

ProductivityVSManufacturing precision

Solution Approach 1:

The rack incorporates dedicated electrical grounding fixtures and conductive elements that serve as intermediaries between the power supply and components. These grounding fixtures are integrated into the horizontal bars and provide reliable electrical contact points, ensuring proper grounding for electrocoating while allowing the rack to process multiple components.

Inventive Principle:

Principle #24Intermediary (Mediator)

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 electrical grounding, prevents component detachment, increases coating efficiency by allowing multiple components to be electrocoated per cycle, and accommodates different shapes and sizes, improving overall process throughput and flexibility.

Implementation Method 1

a grounding insert electrically connected to the first and second side bars

Methodology Applied

Scientific EffectElectrical conduction: Conduction (electrical)

Implementation Method 2

a spring secured to the horizontal bottom bar and the component such that the spring electrically connects the component to the horizontal bottom bar

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentUS8956514B2Rack for coating components

Publication Date: 2015.02.17 DISCOVERY ENERGY LLC

AI summary

Some embodiments relate to a rack for coating components. The rack includes a horizontal top bar and a horizontal bottom bar. A first side bar electrically connects the horizontal top bar with the horizontal bottom bar and a second side bar electrically connects the horizontal top bar with the horizontal bottom bar. The horizontal bottom bar and the horizontal top bar are configured to be connected to the components, and the horizontal bottom bar is configured to be electrically connected to the components.