Semi-Automatic Textile Machine Yarn Lot Display
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Semi-automatic open-end rotor spinning machines are inflexible, allowing only one yarn lot to be produced on each side of the machine, limiting their operational efficiency and flexibility.
Innovation Solution
The implementation of display means at work stations to differentiate yarn lots, allowing for simultaneous production of multiple yarn lots with varying parameters, such as clearing limits, piecing settings, bobbin diameters, and yarn counts, and the use of existing machine components like yarn clearers and signal lamps for displaying yarn lot information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a semi-automatic rotor spinning machine produces only one yarn lot on each side, then the machine structure remains simple and easy to operate, but the machine flexibility and adaptability are limited
Solution Approach 1:
The machine is divided into multiple independent work stations, each capable of producing different yarn lots. This segmentation allows the machine to handle multiple yarn lots simultaneously while maintaining a relatively simple overall structure, as each work station operates independently with its own control unit.
Solution Approach 2:
The machine incorporates dynamic control capabilities that allow work stations to be reassigned to different yarn lots based on production needs. The control system can dynamically adjust which work stations produce which yarn lots, providing flexibility without requiring permanent structural modifications.
2Productivity
If multiple yarn lots are produced simultaneously on different work stations, then production efficiency increases, but the complexity of control and monitoring increases
Solution Approach 1:
The control system is designed with universal functionality to manage multiple yarn lots through a unified interface. The same control unit can monitor and control different work stations producing different yarn lots, reducing the need for separate control systems for each yarn lot and thereby limiting the increase in complexity.
Solution Approach 2:
The system incorporates feedback mechanisms that automatically monitor the production status of each work station and provide information to the control unit. This automated feedback reduces the manual monitoring burden and allows the control system to manage multiple yarn lots efficiently without proportionally increasing complexity.
3Productivity
If manual support is required for loading magazines and exchanging bobbins, then the machine structure remains simpler, but the operational efficiency and productivity are reduced
Solution Approach 1:
The machine incorporates self-service capabilities where the system automatically manages certain operations such as bobbin exchange and magazine loading through integrated control units. This partial automation improves productivity while maintaining a balance with the semi-automatic nature of the machine, avoiding full automation complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances operator support, reduces downtime, and increases efficiency by enabling flexible production of different yarn lots, meeting diverse customer requirements and optimizing routes for processing.
Implementation Method 1
The fiber transport is supported by the negative pressure in the rotor housing, which generates an air flow in the fiber guide channel
Implementation Method 2
generates an air flow in the fiber guide channel, loosens the fibers from the opening assembly and conveys them
Implementation Method 3
The centrifugal acceleration causes the fibers to slip into the collecting groove of the spinning rotor
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention relates to a semi-automatic textile machine (1) for producing cross-wound bobbins, with workstations (2) each having a winding device (33) for producing a cross-wound bobbin (22) rotatably held in a bobbin frame (21) and a workstation control device (9). According to the invention, the semi-automatic textile machine (1) for producing cross-wound bobbins has display means (44, 45) assigned to the workstations (2) that indicate the yarn batch produced by each workstation (2).