Flat Knitting Machine Thread Guide Positioning for Complex Patterns
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Flat knitting machines with autonomously driven thread guides have primarily been used for producing intarsia knits, and their capabilities for creating other complex knitted fabrics have not been fully explored.
Innovation Solution
The method involves using independently driven thread guides that can move parallel and perpendicularly to the needle bed, allowing for the production of split stitches, filigree knits, and plating of different yarns, enabling the creation of complex patterns without requiring special plating thread guides, and allowing for adjustable thread positions and combinations with other knitting techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If independently driven thread guides are used, then thread positioning precision and knitting flexibility are improved, but device complexity increases
Solution Approach 1:
The knitting machine is divided into multiple independently driven thread guides, each capable of autonomous movement and positioning. This segmentation allows precise control of individual threads while maintaining overall system functionality, resolving the contradiction between precision and complexity by distributing control functions across modular units.
Solution Approach 2:
The independently driven thread guides are designed to perform multiple functions: they can guide threads for intarsia knitting, create plating effects, produce split stitches, and form filigree patterns. This multi-functionality reduces the need for specialized components, thereby managing device complexity while expanding capabilities.
2Adaptability or versatility
If thread guides are moved between knitting systems, then versatility of knitting patterns is improved, but production time increases
Solution Approach 1:
Thread guides are positioned and prepared in advance between knitting systems, allowing them to be ready for the next knitting operation. This preliminary positioning minimizes idle time and ensures that thread guides are in optimal positions before stitching begins, reducing overall production time while maintaining pattern versatility.
Solution Approach 2:
The thread guides follow a periodic motion pattern, moving between knitting systems at regular intervals synchronized with the knitting cycle. This periodic action optimizes the timing of thread guide movements, allowing them to relocate without disrupting the continuous knitting process, thus balancing versatility with production efficiency.
3Adaptability or versatility
If multiple thread guides operate independently, then knitting complexity and pattern capability are improved, but control difficulty increases
Solution Approach 1:
Each independently driven thread guide is equipped with control systems that provide feedback on their position and status. This feedback mechanism allows the central control unit to monitor and adjust thread guide movements in real-time, coordinating their actions to create complex patterns while maintaining ease of operation through automated control and synchronization.
Data Source
Figure 1a~1c
Figure 2~4
Figure 5a~5c
AI summary
In a method for producing a knitted piece on a flat knitting machine with at least one first needle bed (H, V) in which needles (A - Z, a - z) are arranged to be extended by at least one knitting system, at least one independently driven first yarn guide and at least one first knitting system, wherein the yarn guide(s) and the knitting system(s) are movable parallel to the longitudinal direction of the needle bed (V, H), a. stitches of the knitted piece are formed with the first knitting system and the first yarn guide by moving the first needle system in the knitting direction and thereby extending needles (A - Z, a - z) and inserting yarn into the extended needles (A - Z, a - z), b. subsequently, with the needles (A - Z, a - z) not extended, the first yarn guide is moved against the knitting direction between the first and a second knitting system, c.The second knitting system extends needles (A - Z, a - z) and inserts yarn (1, 2, 10, 30) into the extended needles (A - Z, a - z), while the second knitting system is moved in the knitting direction.