Chassis Dip Treatment Station with Vertical Skid Movement
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Solution Overview
Problem
Existing dip treatment stations for chassis are inefficient due to slow processing, high costs, and mechanical stresses, with limitations in air bubble removal, liquid stagnation, and flexibility for different chassis types, leading to suboptimal treatment quality and productivity.
Innovation Solution
A dip treatment station with a motor-driven, transverse rotational shaft and vertical support arm system that allows for controlled vertical and rotational movement of skids with chassis, enabling precise immersion and emersion movements to minimize air bubbles, optimize liquid contact, and reduce mechanical stresses, while maintaining a compact design and low cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a continuous conveying line with height variation is used to immerse chassis in treatment baths, then the chassis can undergo treatment, but the processing speed becomes very slow and requires relatively long tanks
Solution Approach 1:
The patent applies dynamics by making the conveying line height variable through motor-driven lifting mechanisms. The conveying line can dynamically adjust its height to lower chassis into treatment baths and raise them out, transforming a static continuous immersion system into a dynamic selective immersion system. This allows shorter tanks to achieve the same treatment effect by controlling when and how chassis enter/exit the liquid, thereby increasing productivity without requiring proportionally long tanks.
Solution Approach 2:
The system implements periodic action by alternately immersing and emersing chassis in treatment baths through controlled height variation of the conveying line. Rather than continuous immersion requiring long tanks, the periodic entry and exit of chassis into the liquid allows treatment to occur during specific time intervals, enabling shorter tank lengths while maintaining effective treatment duration.
2Productivity
If the conveying line varies in height to immerse chassis in treatment baths, then treatment can be performed, but high volume of process liquid is required with consequent high costs
Solution Approach 1:
By making the conveying line height variable, the system dynamically controls which chassis are immersed in the treatment liquid at any given time. This selective immersion capability means that not all chassis need to be in the liquid simultaneously, reducing the required volume of process liquid compared to systems where all chassis must be accommodated in the liquid at once, thereby reducing material costs.
3Manufacturing precision
If immersion and emersion movements are optimized for each chassis type, then treatment quality improves, but the system loses flexibility with varying chassis
Solution Approach 1:
The motor-driven height variation system provides dynamic adaptability to different chassis types. The conveying line can be controlled to achieve optimal immersion depths, speeds, and patterns for each specific chassis configuration. This dynamic control allows the system to optimize treatment quality for varying chassis types without requiring fixed, type-specific conveying lines, thereby maintaining both precision and versatility.
Solution Approach 2:
The system changes operational parameters (height, immersion speed, duration) dynamically based on chassis type. By adjusting these parameters through motor control, the system optimizes treatment quality for different chassis configurations while maintaining a single versatile conveying line infrastructure, avoiding the need for multiple fixed systems.
4Productivity
If rapid treatment is performed to optimize processing time, then productivity increases, but air bubbles may remain trapped and liquid stagnation occurs
Solution Approach 1:
The periodic immersion and emersion cycles created by the height-variable conveying line allow treatment liquid to continuously contact different portions of the chassis during each cycle. This periodic action prevents liquid stagnation by creating flow patterns that reach awkward zones, while the controlled cycle duration ensures sufficient treatment time even at higher processing speeds, maintaining uniformity without sacrificing productivity.
Data Source
AI summary
A chassis dip treatment station may include a process liquid tank; a line configured to convey in sequence a plurality of skids inside and outside of the station, the skids each configured to support a chassis to be treated, the conveying line comprising roller units for displacing the skids, the skids configured to move between an operating position, for supporting and displacing the skids above the tank, and a retracted non-operating position, for immersing one of the skids with the chassis inside the tank; and a system configured to vertically move the skids conveyed above the tank using the conveying line, and configured to move the one of the skids with the chassis inside and outside of the tank. The system configured to vertically move the skids may include a platform configured to support and engage the skids. The platform may be mounted on a motor-driven, transverse, rotational shaft.