Adjustable Stop Mechanism for Conveyor Assembly Alignment
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Solution Overview
Problem
The existing devices for moving workpiece carriers on a higher-level conveyor device are complex to assemble due to precise alignment requirements, and there is a need for devices that can vary in length and width while minimizing costs and material usage.
Innovation Solution
An adjustable first stop is provided for the spring, allowing for easier alignment and adjustment, with a separate connecting part and an adjusting screw for accessibility, and the use of aluminum extrusion for customizable profile bodies to accommodate different lengths and widths, along with a compact lifting drive design to minimize material usage and bending stresses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If precise alignment is required for the support assembly with the superordinate conveyor device, then the device functions properly, but the assembly process becomes complex and time-consuming
Solution Approach 1:
The patent changes the parameter of positional tolerance from tight (requiring precise alignment) to loose (allowing larger tolerance range) by introducing an adjustable stop mechanism. This allows the support assembly to be mounted within a broader positional range while still achieving proper functional alignment through subsequent adjustment of the stop position.
Solution Approach 2:
The patent introduces a dynamically adjustable stop position rather than a fixed stop. The adjustable stop can be repositioned along the conveying direction to compensate for alignment variations, transforming a static alignment requirement into a dynamic adjustment process that simplifies initial assembly.
2Volume of moving object
If the lifting drive is arranged inside the device to save space, then material usage is reduced, but the adjusting screw becomes difficult to reach for adjustment
Solution Approach 1:
The patent nests the adjusting screw within the connecting part structure, which itself is integrated into the lifting drive assembly. The adjusting screw is positioned in a recess or cavity of the connecting part, allowing it to be contained within the compact lifting drive volume while still being accessible from the exterior for adjustment operations.
3Adaptability or versatility
If devices of different lengths and widths are produced, then versatility is improved, but manufacturing costs and complexity increase
Solution Approach 1:
The patent segments the device into modular components: profile bodies that can be cut to different lengths, and a standardized lifting drive assembly that can be positioned at different locations. This segmentation allows the same basic components to be reused across different device configurations, reducing overall manufacturing complexity and cost.
Solution Approach 2:
The patent designs universal components such as the profile bodies with standardized cross-sections and mounting features that can serve multiple functions and configurations. The same profile body design can accommodate different lengths and lifting drive positions, creating a universal base structure that reduces the need for custom-designed parts for each device variant.
Data Source
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AI summary
The invention relates to a device used for conveying a workpiece or workpiece holder. The device comprises a support element which can be fixed on an upper level convey device. A guiding member is arranged. The guiding member comprises first and second continuous dragging members. The dragging members are arranged in parallel. The dragging members determine the convey direction (11). At least a lifting driving device (60) is arranged and comprises at least a first spring (62). The first spring keeps at least one lifting driving device in a middle position when no operation is carried out. An adjustable first stop member (86) is arranged for the first spring (62).