Textile Machine Work Station Thread Piecing Handling Elements
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Solution Overview
Problem
Textile machines with multiple spinning units face significant delays and production losses due to waiting times when multiple units require maintenance simultaneously, and existing solutions either incur high costs or are inefficient in managing thread interruptions.
Innovation Solution
A textile machine with work stations equipped with handling elements for thread piecing and a movable thread seeking device featuring a suction nozzle and transfer element, allowing for rapid identification and transfer of thread ends to the receiving position, enabling independent piecing and reducing the need for extensive maintenance devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If multiple maintenance devices are provided on each side of a spinning machine, then the waiting times for maintenance are reduced, but the control complexity and laborious processes for managing multiple devices increase
Solution Approach 1:
The maintenance function is segmented and distributed to individual work stations, with each station having its own handling elements for thread piecing. This eliminates the need for multiple centralized maintenance devices and their complex coordination, while still reducing waiting times through parallel independent operations at each station.
Solution Approach 2:
Each work station is equipped with its own handling elements and drive mechanisms, enabling it to perform maintenance operations independently without requiring external maintenance devices. This self-service capability reduces waiting times while simplifying the overall system control structure.
2Productivity
If individual drives are arranged at each work station for independent piecing operations, then waiting times and production losses are avoided, but the construction cost and device complexity increase
Solution Approach 1:
The handling elements at each work station are designed with multi-functionality, serving both regular spinning operations and maintenance/piecing functions. This universal design enables independent piecing operations without requiring separate dedicated devices, thereby maintaining productivity while controlling construction costs.
Solution Approach 2:
The functions of thread handling, piecing operations, and maintenance are merged into a single integrated system at each work station. This combination eliminates the need for separate maintenance devices and reduces overall system complexity while maintaining high productivity during piecing operations.
3Device complexity
If a movable maintenance device is used to service multiple spinning units, then device complexity is reduced, but significant waiting times and production losses occur when multiple units require maintenance simultaneously
Solution Approach 1:
The centralized maintenance device is segmented into distributed handling elements at each work station. This segmentation allows parallel maintenance operations across multiple stations simultaneously, eliminating waiting times while keeping individual station components relatively simple.
Solution Approach 2:
The handling elements at each work station act as intermediaries between the spinning units and the piecing process. These intermediaries enable local autonomous piecing operations, eliminating the need for a movable maintenance device to travel between stations and reducing waiting times.
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 solution allows work stations to operate independently, reducing waiting times and production losses, while providing significant cost advantages by minimizing the need for complex maintenance devices and space-intensive thread seeking systems, and efficiently managing both planned and unplanned thread interruptions.
Implementation Method 1
a thread seeking device featuring a suction nozzle subjected to negative pressure for seeking out a thread end wound on the bobbin
Implementation Method 2
the thread end is subsequently moved into the receiving position at the work station
Data Source
AI summary
A method is provided for operating a textile machine, with a multiple number of adjacent work stations having a respective spinning unit with a spinning device and/or one winding device and handling elements for piecing a thread or for connecting two thread ends. If production is interrupted, a thread end on the bobbin side is provided to a defined receiving position at the work station. For piecing the thread or for connecting the thread ends, the thread end on the bobbin is cut to length by the work station work elements, received from the receiving position, prepared for piecing or for connecting and pieced up or connected. A thread end wound on the bobbin is sought out by means of a thread seeking device deliverable to multiple work stations of the textile machine, and the thread end is subsequently moved into the receiving position at the work station, from which it is received by the work station work element of the work station, in particular by a handling element of its own work station. A corresponding textile machine is also provided.