Spring Coiling Roller Mount With Multi-Position Non-Round Base
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Solution Overview
Problem
Existing spring winding machine tools are complex to produce and difficult to assemble due to a high variety of components, making it challenging to replace worn-out parts without extensive modifications.
Innovation Solution
A winch tool design featuring a bending roller with a non-round base and a support collar with corresponding notches or teeth, allowing for multiple rotational positions and reduced component depth, enabling easy production and part replacement with minimal effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a cylindrical base with star-shaped grooves and keyways is used to allow rotational positioning, then the service life of the winding tool is extended, but the device complexity and manufacturing difficulty increase significantly
Solution Approach 1:
The base is designed with an asymmetric non-round cross-section (such as oval, triangular, or rectangular) that engages with a corresponding asymmetric support collar. This asymmetric geometry provides multiple stable rotational positions without requiring complex grooves or keyways, thereby extending tool service life while maintaining simple structure and easy manufacturing.
2Adaptability or versatility
If multiple components with various grooves and keyways are used to enable repositioning, then the adaptability of the tool is improved, but the ease of manufacture and assembly deteriorates
Solution Approach 1:
The asymmetric cross-section of the base and its corresponding support collar provide inherent rotational positioning capability with multiple stable positions. This simple asymmetric design achieves adaptability without requiring additional grooves, keyways, or complex fastening mechanisms, making the tool easy to manufacture and assemble.
Solution Approach 2:
The functional features for rotational positioning are merged into the basic geometric form of the base and support collar themselves, rather than being added as separate components. The asymmetric shape simultaneously provides structural support and rotational positioning, reducing the total number of components and simplifying manufacturing.
Data Source
Figure 1~4
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Figure 9a~10c
AI summary
The invention relates to a winding tool (1) for a spring winding machine, comprising a bending roller holder (2) with a support plate (24) on which a bending roller (3) provided with a radially circumferential winding groove (31) is fixed in a rotationally fixed manner via a clamping screw (4) and which has a support collar (25) for supporting the bending roller (3), wherein the bending roller (3) has a base (34) with a non-circular cross-section on its side facing the support plate (24), characterized in that the support collar (25) has a contact surface (26) facing the base (34) and partially enclosing it, which is designed correspondingly to the outer surface of the base (34) facing it.