Snap-Fastener Fiber Guide Channel for Open-End Spinning
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Solution Overview
Problem
Existing fiber guide channel devices for open-end spinning devices are complex to assemble and disassemble, and their manufacturing effort is high due to stringent surface quality requirements and complex processing needs.
Innovation Solution
A fiber guide channel device with a snap connection mechanism between the fiber guide channel body and the opening roller housing, allowing for easy assembly and replacement without additional tools, featuring a locking connection with resilient sections and tabs for secure positioning and adjustable inlet area geometry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fiber guide channel body is secured by threaded pin and threaded hole, then secure connection is achieved, but assembly and disassembly becomes complex and time-consuming
Solution Approach 1:
The connection system is segmented into modular components: the opening roller housing contains integrated locking elements (protrusions and recesses) while the fiber guide channel body has corresponding engagement features. This segmentation allows the fiber guide channel body to be quickly attached and detached without threading operations, resolving the contradiction between secure connection and assembly simplicity.
Solution Approach 2:
The connection mechanism is designed to be self-securing through complementary geometric features (protrusions fitting into recesses) that automatically lock when assembled, eliminating the need for additional fastening tools or operations. The design provides inherent connection security while maintaining ease of assembly and disassembly.
2Ease of manufacture
If fiber guide channel body is made of plastic, then manufacturing effort is reduced, but surface quality requirements become more difficult to meet
Solution Approach 1:
The fiber guide channel body uses plastic as the base material for ease of manufacturing and complex geometry formation. Critical surface areas that contact fibers are enhanced with specialized coatings or treated surfaces that provide the necessary smoothness and fiber guidance properties. This composite approach combines the manufacturing advantages of plastic with the surface quality requirements.
3Adaptability or versatility
If inlet area geometry is made adjustable, then yarn value adjustment becomes easier, but device complexity increases
Solution Approach 1:
The inlet area geometry is designed with movable or reconfigurable elements that allow adjustment of the fiber inlet configuration. These dynamic features enable adaptation to different yarn requirements while maintaining a relatively simple overall structure through the use of straightforward mechanical adjustment mechanisms integrated into the fiber guide channel body.
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
Simplifies assembly and replacement processes, reduces set-up and downtimes, and allows for easier adjustment of yarn values by enabling secure and adjustable fiber inlet area configurations, while maintaining high surface quality and positional security.
Implementation Method 1
first means and the fiber guide channel body has second means for forming a latching connection
Data Source
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AI summary
A fiber guide channel device for an open-end spinning device is proposed, comprising a fiber guide channel body (25) that can be fixed in a receptacle (35) of a dissolving roller housing (17). Individual fibers, combed from a feed fiber strip by a dissolving roller, are pneumatically transported via this fiber guide channel (26) to a spinning rotor housing (2) that rotates under vacuum. The receptacle (35) has first means (40) and the fiber guide channel body (25) has second means (34) for forming a snap-fit connection. The invention also relates to the open-end spinning device and the fiber guide channel body.