Knitting Machine Tool Set With Segmented Bar Grooves
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Solution Overview
Problem
Achieving high degrees of fineness in knitting machine tool sets is challenging due to manufacturing difficulties and decreased stability caused by the need for very thin tools and bars, which leads to increased expenses and reduced sturdiness.
Innovation Solution
A tool set with two types of tools having different holding part configurations, allowing for alternating arrangement and positioning outside the immediate spaces of adjacent holding parts, enabling efficient and precise manufacturing of sturdy bars with extremely fine division without requiring narrow structures on the bar.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If very thin tools and bars are used to achieve high degrees of fineness, then the number of tools per inch increases, but manufacturing difficulties and expenses increase and stability decreases
Solution Approach 1:
The bar is divided into multiple sections with grooves at different positions. Tools are accommodated in these grooves at pre-specified distances, creating a segmented structure that allows high fineness without requiring the entire bar to be extremely thin. This segmentation enables precise positioning of tools while maintaining adequate bar thickness for manufacturing feasibility.
Solution Approach 2:
The grooves are strategically positioned at specific locations along the bar rather than requiring uniform thinness throughout. This local quality approach allows the bar to maintain sufficient thickness for structural integrity while creating localized regions (grooves) that accommodate tools at the required fine spacing, thus achieving high fineness without compromising overall manufacturing ease.
2Manufacturing precision
If very thin tools and bars are used to achieve high degrees of fineness, then the number of tools per inch increases, but stability and sturdiness decrease
Solution Approach 1:
The bar structure is segmented into sections with grooves positioned at specific intervals. This segmentation allows tools to be held at fine spacing (high fineness) while the bar itself maintains adequate thickness and structural continuity between grooves, ensuring stability and sturdiness are not compromised by the need for fine tool spacing.
Solution Approach 2:
Instead of achieving fine tool spacing by reducing the bar thickness (one-dimensional approach), the invention uses the longitudinal dimension of the bar with strategically positioned grooves. This dimensional shift allows high fineness to be achieved through precise groove placement along the length of a sufficiently thick bar, rather than through reducing bar thickness, thereby maintaining stability.
3Measurement precision
If intermediate walls or structures are added between holding parts to achieve positioning, then positioning precision improves, but device complexity increases
Solution Approach 1:
The positioning function is merged with the holding structure itself. The grooves in the bar serve dual purposes: they hold the tools and simultaneously provide the positioning reference. This eliminates the need for separate intermediate walls or positioning structures, achieving precise tool positioning while keeping the device structure simple and unified.
Solution Approach 2:
The grooves are designed to perform multiple functions: they accommodate the holding parts of tools, provide precise positioning through their fixed locations, and maintain structural integrity of the bar. This multi-functionality eliminates the need for additional specialized components for positioning, reducing device complexity while maintaining high positioning precision.
Data Source
AI summary
To simplify the setup of a bar and associated tools of a knitting machine and to improve the degree of precision regarding fineness and the level of sturdiness of the tools and bar system, the holding parts (7, 9) of the tools (4, 5) of the tool set (2) are configured differently. On the holding parts (7) of at least one tool type, means (22) are provided for positioning the tools (4) on the bar and thus means for defining the division. Separate positioning means for positioning and defining the division may be assigned to the other tools (5). Alternatively, they may be positioned by the tools (4) of the first type, between which they are accommodated. If positioning grooves are provided in the bar or parts thereof, these grooves may be set up for twice the distance of division, which results in robust and mechanically stable solutions with finer divisions.