Handling Unit Sliver Transfer Check Mechanism
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Solution Overview
Problem
Existing methods for transferring slivers in open-end spinning machines often result in 'drag slivers' where the sliver is not completely released from the handling unit, leading to disruptions across multiple workstations as it is carried along, potentially breaking or entangling with other slivers.
Innovation Solution
A method and handling unit that includes a check mechanism to ensure the sliver is completely removed before leaving a workstation, with sensors detecting any remaining sliver and triggering a stop or alert to prevent drag slivers, and optional cutting, suction, or blowing-off mechanisms to manually remove the sliver if necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the handling unit transfers the sliver using pneumatic or mechanical handling elements, then the sliver can be efficiently transferred to the workstation, but the sliver may not be completely released and is carried along as drag sliver
Solution Approach 1:
A sensor is integrated into the handling unit to detect whether sliver remains on the handling element after transfer. The sensor provides feedback signals to the control unit, which then triggers the handling unit to return to the sliver can position to remove the remaining sliver, ensuring complete release and preventing drag sliver formation
Solution Approach 2:
The handling unit is designed to perform a preliminary check after sliver transfer by using the sensor to detect remaining sliver before moving to the next workstation. This preliminary detection action allows the system to correct the issue by returning to remove remaining sliver, preventing problems at subsequent workstations
2Productivity
If the handling unit continues to move to the next workstation without checking, then the production cycle is maintained, but drag sliver disrupts multiple workstations
Solution Approach 1:
The sensor provides real-time feedback on sliver presence on the handling element. Based on this feedback, the control unit decides whether to continue to the next workstation or return to remove remaining sliver, thus eliminating drag sliver while maintaining production continuity
Solution Approach 2:
The sensor acts as an intermediary between the sliver transfer process and the handling unit's movement decision. It detects the intermediate state of sliver release and communicates this information to the control unit, enabling informed decisions to prevent drag sliver
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
Prevents sliver disruptions by ensuring complete detachment and preventing drag slivers from being carried to other workstations, allowing for uninterrupted spinning operations and reducing the risk of sliver breakage or entanglement.
Implementation Method 1
with which, after the sliver has been released, a check is carried out to determine whether the sliver has been completely removed from the handling unit
Data Source
AI summary
A method and associated handling unit transfer a sliver from a sliver can into a workstation of a sliver processing textile machine that has a plurality of identical workstations arranged next to one another. The handling unit is stopped at the workstation and the sliver is captured with the handling unit at the sliver can. The captured sliver is transferred to a receiving unit of the workstation and, after the sliver has been transferred, the sliver is released from the handling unit as the handling unit leaves the workstation. After the sliver has been released, a check is performed to determine whether the sliver has been completely removed from the handling unit.