Spun Yarn Take-Up Valve Automation
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Solution Overview
Problem
The existing spun yarn take-up systems face inefficiencies due to the need for operators to remain on standby until yarn delivery is complete on the lower floor, leading to prolonged activation of the yarn sucking unit valve on the upper floor, which reduces work efficiency and prevents yarn bring-down at other take-up apparatuses due to insufficient sucking force.
Innovation Solution
A spun yarn take-up system that includes a sending unit to send a delivery complete signal upon successful delivery of yarns to the lower floor, allowing the valve controlling unit to automatically close the yarn sucking unit valve, ensuring efficient operation without requiring operators to wait for the completion of yarn delivery on the lower floor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the valve of the yarn sucking unit is kept open until yarn delivery is complete on the lower floor, then the yarn can be successfully delivered, but the operator on the upper floor must remain on standby which reduces work efficiency
Solution Approach 1:
The system implements feedback through a delivery complete signal that is sent from the lower floor to the upper floor when yarn delivery is completed. This signal automatically triggers the valve closing action, eliminating the need for operator standby while ensuring reliable yarn delivery. The feedback loop connects the delivery status on the lower floor to the valve control on the upper floor.
Solution Approach 2:
The system enables self-service by allowing the valve to close automatically based on the delivery complete signal without requiring operator intervention. The operator on the upper floor can leave immediately after activating the yarn bring-down apparatus, and the system自行 manages the valve closing operation based on the signal received from the lower floor.
2Productivity
If the valve of the yarn sucking unit is closed immediately after yarn bring-down activation, then work efficiency is improved, but yarn bring-down cannot be performed at other take-up apparatuses due to insufficient sucking force
Solution Approach 1:
The feedback mechanism ensures the valve remains open for the necessary duration to maintain sufficient sucking force for yarn bring-down operations. The valve closing is triggered only when the delivery complete signal is received, ensuring that the sucking force is maintained until yarn delivery is actually completed, preventing insufficient sucking force issues.
Solution Approach 2:
The system performs preliminary action by keeping the valve open in advance until the delivery complete signal is received. This ensures that the sucking force is maintained throughout the entire yarn delivery process, and only after confirmation of delivery completion does the valve close, preventing premature closure that would reduce sucking force availability.
3Device complexity
If multiple yarn sucking units share a common valve, then system complexity is reduced, but the valve cannot serve multiple apparatuses simultaneously due to single valve limitation
Solution Approach 1:
The system applies segmentation by providing individual valves for each yarn sucking unit instead of using a single common valve. This allows each take-up apparatus to operate independently with its own valve control, enabling simultaneous yarn bring-down operations at multiple apparatuses while maintaining manageable system complexity through modular valve assignments.
Solution Approach 2:
The valve system achieves multi-functionality where each valve can serve its corresponding yarn sucking unit independently. This universal design allows the same valve structure to be replicated and assigned to multiple apparatuses, enabling simultaneous operations across different take-up apparatuses while maintaining consistency in the valve design and control mechanism.
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 enables immediate closure of the yarn sucking unit valve on the upper floor without reducing operator efficiency, ensuring continuous yarn bring-down operations across all take-up apparatuses by automating the delivery confirmation process.
Implementation Method 1
a yarn sucking unit provided on the upper floor
Data Source
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AI summary
An object of the present invention is, without deteriorating the work efficiency of an operator on the upper floor, to provide a spun yarn take-up system which enable a valve of a yarn sucking unit on the upper floor being closed promptly. A spun yarn take-up system 1 comprising spun yarn take-up apparatuses 2 each of which is configured to wind a yarn Y spun out from a spinning device 100 provided on the upper floor to a winding device 15, each of the spun yarn take-up apparatuses 2 including a yarn sucking unit 17 provided on the upper floor and a yarn bring-down apparatus 16 which brings yarns Y held by the yarn sucking unit 17 down to the lower floor from the upper floor. In at least one of the spun yarn take-up apparatuses 2, after yarns Y brought down to the lower floor by the yarn bring-down apparatus 16 are delivered to a yarn threading robot 3 on the lower floor, a valve of the yarn sucking unit 17 of the at least one of the spun yarn take-up apparatuses 2 is closed automatically.