Transport Cart Thermal Insulation for Drying Systems
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Solution Overview
Problem
In the automotive industry, transport systems for workpieces, such as vehicle bodies, face challenges with heavy workpiece carriers that require heating, leading to accelerated aging and increased maintenance, and the need for multiple carriers for different types and treatment processes, which is inefficient and costly.
Innovation Solution
A transport system with multiple carts on a rail system, each equipped with a fastening device featuring thermal insulating means to prevent heat transfer between the workpiece carrier and the cart, allowing for thermal processes while protecting the cart from high temperatures and enabling easy adaptation to different workpiece sizes and types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If workpiece carriers are used for transporting workpieces through treatment processes, then workpieces can be securely transported and treated, but the workpiece carriers themselves are heated and subjected to accelerated aging and increased maintenance
Solution Approach 1:
The system separates the workpiece carrier (skid) from the transport cart, allowing the carrier to be removed after each treatment cycle. This segmentation enables the transport cart to remain outside the thermal process zone while still transporting the workpiece carrier through the treatment area.
Solution Approach 2:
The workpiece carrier is extracted as a separate removable component from the transport cart. The carrier can be quickly removed and replaced between treatment cycles, preventing heat accumulation and aging on the transport cart itself while maintaining reliable workpiece transport.
2Adaptability or versatility
If multiple specialized workpiece carriers are provided for different treatment processes and body types, then each treatment process can be optimized, but the system complexity and cost increase
Solution Approach 1:
A single standardized transport cart design can handle multiple workpiece carrier types through universal fastening devices. The transport cart becomes a multi-functional platform that can accommodate different body types and treatment processes by simply changing the removable workpiece carrier, rather than requiring specialized carts for each application.
Solution Approach 2:
The system allows for parameter changes in workpiece carrier configuration (size, shape, fastening points) while maintaining the same transport cart platform. This enables adaptation to different treatment processes and body types through modular carrier design rather than proliferating specialized cart variants.
3Productivity
If workpiece carriers are heated during thermal treatment processes, then workpieces can be effectively dried and treated, but the transport cart ages faster and requires more frequent maintenance
Solution Approach 1:
By segmenting the workpiece carrier from the transport cart, the heating process is confined to the carrier which can be quickly replaced. The transport cart remains cool and maintains its structural integrity, significantly reducing maintenance requirements and extending service life.
Solution Approach 2:
The workpiece carrier is treated as a consumable component that undergoes thermal stress and can be replaced relatively inexpensive. This allows the system to maintain high productivity through continuous operation while the disposable carrier absorbs the thermal damage that would otherwise affect the expensive transport cart.
4Adaptability or versatility
If individual motorized transport carts are used for each workpiece carrier, then individual transporting cycles and flexibility can be achieved, but the risk of thermal damage to the transport cart increases
Solution Approach 1:
The transport function is extracted from the workpiece carrier and assigned to a separate transport cart system. This allows the transport cart to operate independently outside the thermal process zone, maintaining flexible individual transport cycles without exposing the cart to harmful thermal influences during the treatment process.
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
The solution effectively protects transport carts from thermal damage, reduces maintenance, and allows for flexible adaptation to various workpieces, improving efficiency and cost-effectiveness by preventing heat transfer and enabling quick changeovers between different workpiece carriers.
Implementation Method 1
the fastening device has a thermal insulating means (724), which impedes transfer of heat between the workpiece carrier (80) and the transport cart (12)
Data Source
AI summary
A transport system, which is designed in particular for a dryer for drying workpieces, such as vehicle bodies, and which has a plurality of transport carts. The transport carts can be moved on a rail system in a transport direction. Workpieces can be transported by means of the transport carts. Each transport cart has a transport cart chassis. The transport cart has a fastening device, which is designed to establish a connection between the transport cart and a workpiece carrier in order to transport the workpiece carrier by means of the transport cart. The fastening device has thermal insulation, which impedes heat transfer between a workpiece carrier and the transport cart.