Integrally Formed Sliver Receiving Device for Air-Jet Spinning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing sliver receiving devices for air-jet spinning devices face challenges in maintaining precise connections to prevent fluid leaks and fiber detachment, leading to reduced efficiency and contamination, with complex and costly production processes.
Innovation Solution
A sliver receiving device with a base body and sliver guide device made from identical materials, formed in one piece with two parallel needles that protrude into a blown air nozzle section, eliminating separation points and using additive manufacturing for simple, cost-effective production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple components are assembled to form the sliver take-up device, then functional requirements can be met, but connection tightness becomes difficult to maintain and manufacturing complexity increases
Solution Approach 1:
The patent merges the base body, sliver guide device, and blown air nozzle section into a single integrally formed component. This eliminates all connection points between components, ensuring perfect sealing against fluid leaks without requiring complex assembly procedures or tight tolerance machining between multiple parts.
Solution Approach 2:
While the overall device is integrated, the patent segments the functional zones within the single component: the base body receives the sliver, the sliver guide device (with two parallel needles) guides it, and the blown air nozzle section delivers compressed air. This functional segmentation within an integrated structure maintains operational effectiveness while avoiding assembly complexity.
2Reliability
If multiple components are assembled to form the sliver take-up device, then functional requirements can be met, but manufacturing cost and precision requirements increase
Solution Approach 1:
By combining all functional elements into one integrally formed component, the patent eliminates the need for precision machining of mating surfaces and connection interfaces between multiple parts. The fluid sealing is inherently guaranteed by the integral construction, removing the need for tight tolerance controls at assembly interfaces.
3Productivity
If components are connected tightly to prevent fluid escape, then spinning efficiency is maintained, but production complexity and cost increase
Solution Approach 1:
The integral design ensures perfect fluid sealing necessary for maintaining spinning efficiency, while simultaneously simplifying production by eliminating complex assembly procedures, reducing the number of machining operations, and allowing for more economical manufacturing methods such as casting or forming the entire device as a single piece.
4Ease of manufacture
If separation points exist between components, then assembly is possible, but fiber detachment and contamination occur
Solution Approach 1:
By eliminating all separation points through integral formation, the patent prevents fibers from detaching at connection interfaces during sliver transport. The smooth, continuous internal surfaces of the single component ensure uninterrupted fiber flow without contamination, while the device remains manufacturable through conventional forming or casting processes.
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 design ensures precise and efficient yarn production with reduced fiber detachment, leak-free operation, and simplified assembly, enhancing the spinning process while avoiding complex and costly manufacturing steps.
Implementation Method 1
Due to the fluid flows used for spinning, on the one hand for transporting the sliver and, on the other hand, for spinning the sliver into a yarn using compressed air
Data Source
Figure 1~2
Figure 3a~3b
Figure 4a~4c
AI summary
The invention relates to a fiber sliver receiving device for feeding a fiber sliver coming from a drawing unit to a yarn forming element of a spinning device, an air spinning device, and a method for forming a fiber sliver receiving device for feeding a fiber sliver coming from a drawing unit to a yarn forming element of a spinning device. The fiber sliver receiving device comprises a base body with an inlet opening for receiving the fiber sliver fed from the drawing unit and a fiber sliver guide arranged behind the inlet opening for the defined feeding of the fiber sliver to the yarn forming element.To provide a fiber spool receiving device for feeding a fiber spool coming from a drafting unit to a yarn forming element of a spinning device, an air spinning device, and a method for forming a fiber spool receiving device that enables a spinning process with high accuracy and efficiency, wherein the contamination of the device by detached fibers during operation is reduced and at the same time the device can be manufactured and assembled particularly simply, cost-effectively and without defects, it is provided that the fiber spool guiding device is formed from a single needle that is formed integrally with the base body, or that the fiber spool guiding device is formed from two needles arranged side by side, wherein the two needles project at least partially into a blowing air nozzle section formed integrally with the base body to generate a rotating airflow.