Yarn Cutting-Sucking Device with Movable Cutter and Suction Pipe
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Solution Overview
Problem
Existing yarn cutting-sucking devices fail to consistently cut and suck multiple yarns due to cutting in thick bundles and inefficient suction processes.
Innovation Solution
A yarn cutting-sucking device with a movable cutter and suction unit aligned in the same direction as the yarns, accompanied by a yarn regulating guide with comb-like grooves, ensures precise cutting and immediate suction of yarns by moving the cutter and suction unit in tandem with the yarns' alignment, utilizing an inclined cutter blade and upstream suction port for effective cutting and sucking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If yarns are gathered to the center by a yarn gathering plate and cut altogether, then the cutting operation can be performed on all yarns simultaneously, but the yarns form a thick bundle that makes successful cutting difficult
Solution Approach 1:
The invention divides the cutting operation into multiple segments by providing multiple cutters (first cutter and second cutter) that cut yarns at different positions. Instead of attempting to cut all gathered yarns at once with a single cutter, the yarns are cut in segments along their length, transforming a single difficult cutting action into multiple easier cutting actions that can be reliably performed.
Solution Approach 2:
The invention changes the cutting approach from a single-point cutting method to a multi-dimensional cutting strategy by positioning cutters at different locations (upstream and downstream sides) along the yarn alignment direction. This spatial distribution of cutters allows the system to handle thick bundles of yarns effectively by attacking the problem from multiple positions simultaneously.
2Productivity
If all yarns are cut altogether in the form of a thick yarn bundle, then the cutting operation is completed in one action, but sucking these yarns at once may be unsuccessful
Solution Approach 1:
The suction operation is segmented into multiple stages corresponding to the multiple cutting positions. The first suction unit and second suction unit are positioned to suck yarns cut at different locations sequentially or simultaneously. This segmentation allows the suction system to handle yarns in manageable portions rather than attempting to suck the entire thick bundle at once, improving reliability.
Solution Approach 2:
The cutters perform preliminary cutting actions that separate the yarn bundle into smaller sections before the suction units attempt to suck the yarns. This preliminary segmentation of the yarn bundle makes the subsequent suction operation more effective, as the suction units are now dealing with smaller, more manageable yarn sections rather than a dense thick bundle.
3Device complexity
If a stationary cutter and sucking unit are used, then the device structure is simple, but the yarns cannot be reliably cut and sucked irrespective of the number of yarns
Solution Approach 1:
The invention introduces movable cutters and movable suction units that can move along the yarn alignment direction. This dynamic capability allows the cutters and suction units to adapt to varying numbers of yarns and positions, enabling reliable yarn handling regardless of how many yarns are being processed. The movable components can adjust their positions to effectively engage with yarns at different locations.
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
Ensures all yarns are consistently cut and sucked one by one without bending, with the suction process facilitated by an accompanying flow from previously sucked yarns, enhancing the efficiency of yarn handling in spinning winders.
Implementation Method 1
the yarns cut thereafter are easily sucked thanks to an accompanied flow which is generated by the running of the yarn having already been sucked and flows toward the sucking unit
Data Source
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AI summary
All yarns are surely cut and sucked irrespective of the number of the yarns. A yarn cutting-sucking device 40 includes a cutter 43 arranged to be movable in the alignment directions of yarns Y, a sucking unit 41 which is provided in proximity to the cutter 43 and includes a sucking pipe 45 which is movable in the alignment directions in the same manner as the cutter 43, and a cylinder 46 which is arranged to move the sucking pipe 45 along the alignment directions. As the cylinder 46 is driven, the cutter 43 and the sucking pipe 45 move in an alignment direction in a synchronous manner.