Movable Cover Strip Sealing for Painting Booth Gaps
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Solution Overview
Problem
Existing devices for treating objects, such as painting booths, are complex and prone to failure due to the sealing mechanisms, which are difficult to maintain and clean, especially when contaminants accumulate on stationary cover strips.
Innovation Solution
A cover arrangement with a flexible cover strip fastened to both sides of the working device, guided by a deflection device and lifted by a lifting device, allowing for easy removal and cleaning outside the treatment room, ensuring adequate sealing with minimal mechanical effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a stationary cover strip is used to seal the gap, then sealing is achieved, but cleaning and maintenance become difficult due to contaminant accumulation
Solution Approach 1:
The cover strip is transformed from a stationary component to a movable one that is guided along the gap by the working device. This dynamic configuration allows the cover strip to be continuously moved into the outside area for cleaning while maintaining sealing effectiveness during operation.
Solution Approach 2:
The working device itself serves dual functions: it performs the treatment task and simultaneously guides the cover strip for cleaning. The working device's movement automatically facilitates the cover strip's cleaning cycle without requiring separate maintenance equipment.
2Reliability
If a stationary cover strip is used, then sealing is provided, but the system becomes complex and prone to failure
Solution Approach 1:
The sealing mechanism uses the natural movement of the working device to guide the cover strip, eliminating the need for complex stationary sealing mechanisms with multiple moving parts. The simplicity of the guided movable cover strip reduces failure points while maintaining sealing effectiveness.
3Reliability
If the cover strip is fastened to both sides of the working device, then sealing is improved, but the mechanical effort increases
Solution Approach 1:
The cover strip combines multiple functions into a single component: it seals the gap, moves with the working device, and enables self-cleaning. This merging eliminates the need for separate complex mechanisms, reducing overall mechanical effort despite the dual fastening points.
Data Source
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AI summary
The invention relates to a device for treating objects, wherein a gap (36) is formed between two wall sections (32, 34) of a treatment chamber (12). At least one respective component (40) of at least one first and one second working device (16.1, 16.2), in particular painting robots (18.1, 18.2), which can move along the gap (36), extends from an outer region (38) outside of the treatment chamber (12) through the gap (36) into the treatment chamber (12). A covering assembly (42) seals the gap (36) in the wall (30) of the treatment chamber (12), apart from a first through opening (44a) and a second through opening (44b), through which the component (40) of the first working device (16.1) or the component (40) of the second working device (16.2) extend, and which follow a movement of the component (40) of the first working device (16.1) or the component (40) of the second working device (16.2) along the gap (36). A covering band (46) running on the gap (36) is secured to a first and to a second securing side (48, 50) of the first working device (16.1), said first and second securing sides facing one another in the longitudinal direction of the gap (36). By means of a diverting device (52), the covering band (46) is directed from the first securing side (48) to the second securing side (50) of the first working device (16.1), and also from the first securing side (48) of the first working device (16.1) to the second working device (16.2), where it is lifted away from the gap (36) using a lifting device (60) and directed past the second working device (16.2).