Lifting Arm Cover Sealing for Industrial Cleaning Chambers
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Solution Overview
Problem
Existing cleaning plants have limited movement variability of the gripping tool, leading to suboptimal treatment of items on all peripheral sides, resulting in prolonged treatment times and potential losses of cleaning agents due to restricted movement.
Innovation Solution
A lifting device with a gripping tool that can perform up-and-down and back-and-forth movements within the cleaning chamber, where the cover is integrated with the lifting arm and guided through central apertures, allowing for sealed movement and adjustment of items relative to treatment fixtures, enabling comprehensive treatment and efficient handling of items of varying sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the gripping tool is limited to rotating movement only, then the device structure is simpler, but the treatment of items on all peripheral sides is suboptimal and treatment time is prolonged
Solution Approach 1:
The lifting device is transformed from a static structure to a dynamic one capable of multiple movement types. The device can perform rotating movement around the cleaning chamber, up-and-down movement along the vertical axis, and back-and-forth movement horizontally, allowing the gripping tool to access all peripheral sides of items for comprehensive treatment
Solution Approach 2:
The lifting device is designed to perform multiple functions: it can rotate the gripping tool around the cleaning chamber, move the gripping tool up and down vertically, and position it back and forth horizontally. This multi-functionality enables comprehensive treatment of items from all sides without requiring multiple separate devices
2Reliability
If the cover is separated from the lifting arm, then the cleaning chamber can be opened for loading, but the chamber cannot remain sealed during up-and-down movement of the lifting device
Solution Approach 1:
The cover and lifting arm are merged into a single integrated structure. The cover is formed as one piece with the lifting arm, creating a unified component that maintains the seal while enabling vertical movement. This integration ensures the cleaning chamber remains sealed during up-and-down movement while still allowing loading and unloading operations
Solution Approach 2:
The cover is designed with a central aperture that receives the lifting arm, creating a nested structure where the lifting arm passes through the cover. This nested design allows the lifting arm to move vertically while the cover maintains its sealing function around the aperture
3Manufacturing precision
If the lifting device cannot move during treatment, then the cleaning chamber can be sealed, but adjustment of items relative to treatment fixtures is not possible
Solution Approach 1:
The lifting device is designed to remain dynamic during treatment, capable of adjusting the position of the gripping tool and held items relative to the treatment fixtures. This dynamic positioning capability allows precise alignment while the integrated cover-maintains the seal
Solution Approach 2:
The integrated cover-lifting arm structure acts as an intermediary that transmits movement from the lifting device to the gripping tool while maintaining the seal. This intermediary structure enables precise positioning adjustments without compromising the sealing of the cleaning chamber
Data Source
AI summary
Industrial cleaning plant having at least one cleaning chamber and a transport device that can be driven, rotated or pivoted. The transport device has a lifting device with a gripping tool for the items to be cleaned, with which a transport lift is produced into the chamber. The chamber can be closed with a cover, which forms one unit with a lifting arm of the lifting device. The cover is held moveably in a guide in an aperture along the shaft of the lifting arm. In closed position of the cover, an up-or-down movement of the gripping tool in the cleaning chamber can be controlled with the lifting arm which also has an entrainment mechanism forming a stop for the cover in upward movement of the lifting arm for opening the chamber.