Inclined Guide Rails for Coating Zone Robot Accessibility

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Solution Overview

Problem

Conventional paint booths with elevated robot guide rails face challenges in space utilization, airflow restriction, and increased structural effort due to the need for additional support, leading to inefficient painting processes and reduced application efficiency.

Innovation Solution

The guide rails are tilted or arranged obliquely to improve accessibility and space utilization, with oblique side walls allowing for wider control regions and better airflow distribution, while load-bearing structures are integrated with partition walls to reduce structural complexity and maintain airflow efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If guide rails are mounted elevated above the conveyor, then robot accessibility and freedom of movement are improved, but structural support requirements and structural effort increase

Engineering Contradiction:
Improverobot accessibilityVSAvoidstructural support requirements
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent merges the load-bearing structure for the elevated guide rails with the existing partition walls of the paint booth. The partition walls are designed to serve dual purposes: as visual separators and as structural supports for the guide rails. This integration eliminates the need for separate crossbars and additional support structures, thereby reducing overall structural effort while maintaining robot accessibility.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The partition walls are given multiple functions: they serve as visual dividers for different painting zones, as structural supports for the elevated guide rails, and as elements that can be adjusted to optimize airflow. This multi-functionality reduces the need for additional dedicated components, simplifying the overall structure.

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

2Object-generated harmful factors

If guide rails are mounted elevated above the conveyor, then airflow hindrance is reduced, but space utilization in control regions becomes restricted

Engineering Contradiction:
Improveairflow hindranceVSAvoidcontrol region space
Core Design Contradiction:
Object-generated harmful factorsVSArea of stationary object

Solution Approach 1:

The patent introduces adjustable partition walls that can be repositioned along the longitudinal axis of the paint booth. This dynamic adjustability allows the control regions to be optimized for different configurations and requirements. The partition walls can be moved to create larger control regions when needed, while still maintaining the elevated guide rail configuration that reduces airflow hindrance.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent utilizes the longitudinal dimension of the paint booth to optimize space utilization. By making partition walls adjustable in the longitudinal direction rather than fixed, the system can create variable control region sizes. This dimensional flexibility allows adequate space for control regions without compromising the elevated guide rail arrangement that benefits airflow.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Adaptability or versatility

If partition walls are made adjustable for optimization, then space utilization and airflow are improved, but device complexity increases

Engineering Contradiction:
Improvepartition wall adjustabilityVSAvoidadjustable mechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The adjustable partition walls are designed to be repositioned by the operators or maintenance personnel without requiring complex automated mechanisms or additional specialized equipment. The adjustment mechanism is kept simple, allowing the system to adapt to different configurations through manual or semi-manual repositioning, thereby avoiding the complexity of fully automated adjustment systems.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS8544409B2Coating zone with inclined guide rails
Publication Date: 2013.10.01 DUERR SYSTEMS GMBH
  • US8544409B2 patent drawing
  • US8544409B2 patent drawing
  • US8544409B2 patent drawing

AI summary

A coating zone comprises a conveyor for transporting an application object. At least one guide rail extends through the coating zone adjacent the conveyor, arranged above the conveyor at a height at least at the level of the top of the object. At least one robot may move along the conveyor on the guide rail, the robot having a first axis for joint rotation of at least one moving member of the robot in relation to a main body guided along the guide rail. A load-bearing structure supports the at least one guide rail, the load-bearing structure including at least one load-bearing pillar extending substantially vertically downwards from the level of the guide rail. The guide rail and the main body of the robot are arranged in such a way that the first axis of the robot is inclined relative to a vertical plane parallel to the conveying direction.