Roll Bender Guide Assemblies for Twist-Resistant Bending
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Solution Overview
Problem
Conventional roll bender devices are prone to work piece twisting due to the fixed positioning of anti-twisting rollers, which are cumbersome to adjust and can only resist twisting in limited directions, limiting the ability to achieve desired bending shapes.
Innovation Solution
The roll bender apparatus features movable work piece guide assemblies that rotate about the guide rollers, allowing them to conform to changing curvature and resist twisting without manual adjustment, with guide rollers that can be driven to advance the work piece and adjust to accommodate varying sizes and shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional anti-twisting rollers are mounted to a fixed base position, then the structure is simple and stable, but the rollers cannot follow changing work piece curvature and can only resist twisting in limited directions
Solution Approach 1:
The guide assemblies are made movable along the work piece length and rotatable about guide rollers, transforming the static fixed-position anti-twisting rollers into dynamic components that can adapt to changing work piece curvature and orientation during the bending process
Solution Approach 2:
The guide assemblies are positioned in three-dimensional space along the work piece and can rotate about the guide rollers, adding rotational freedom in another dimension to enable resistance against twisting in multiple directions rather than just a single fixed direction
2Manufacturing precision
If manual adjustment of anti-twisting rollers is implemented between each pass, then twisting resistance can be optimized, but the operation becomes cumbersome and time consuming
Solution Approach 1:
The guide assemblies automatically adjust their positions and orientations themselves during the bending process by moving along the work piece and rotating about the guide rollers, eliminating the need for manual intervention and adjustment between passes
Solution Approach 2:
The guide assemblies are pre-positioned to engage with the work piece before bending begins, and they automatically conform to the changing curvature as bending progresses, preparing the anti-twisting mechanism in advance for each stage of the bending process
3Adaptability or versatility
If fixed position anti-twisting rollers are used, then the device structure is simple, but the rollers cannot be oriented to prevent desired bending of the work piece
Solution Approach 1:
The guide assemblies are designed to move dynamically along the work piece and rotate about the guide rollers, allowing them to automatically conform to the changing curvature and orientation as the work piece is bent, providing adaptability without requiring complex active control mechanisms
Data Source
AI summary
A roll bender apparatus is disclosed for bending a work piece, the apparatus including a base, a bending roller rotatably disposed on the base, a first guide roller rotatably disposed on base. and a second guide roller rotatably disposed on the base. A first work piece guide assembly is movable about the first guide roller and a second work piece guide assembly movable about the second guide roller. The first and second work piece guide assemblies are oriented to receive the work piece, and the first and second work piece guide assemblies are configured to move about the first and second guide rollers respectively in response to the work piece being bent as the work piece is advanced between the bending roller and the first and second guide rollers.