Fly Twister Yarn Device Horizontal Pad Mounting
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Solution Overview
Problem
Existing yarn twisting devices in the paper industry, such as tree, ring, and bowl twisters, face issues with speed limitations, yarn smoothness, and inefficiencies, including the need for extensive pre-wetting and post-drying of yarns, as well as difficulties in manufacturing pads with precise diameters, leading to waste and instability at high speeds.
Innovation Solution
A 'fly twister' device that positions the pad horizontally on a rotatable platform, allowing high-speed operation without substantial pre-wetting, using a hub to securely mount the pad and twist the strip from the outer circumference through an inner aperture, resulting in a smooth yarn production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If tree twisters are used to twist yarn, then the device structure is simple, but the operating speed is limited and the paper strip breaks at high speeds
Solution Approach 1:
The invention transitions from a static tree twister structure to a dynamic ring twister structure where the pad rotates dynamically at high speeds. The pad is mounted on a rotating platform that can achieve high rotational velocities, enabling the strip to be twisted without breaking while maintaining structural integrity through continuous rotation.
Solution Approach 2:
The invention changes the operating parameters by rotating the pad at high speeds (increasing rotational velocity parameter) and adjusting the twist rate. This parameter change allows the system to operate in a high-speed regime where the centrifugal forces and rotational dynamics prevent strip breaking while achieving the desired yarn twist.
2Speed
If ring twisters are used to twist yarn, then higher speeds are achieved, but extensive pre-wetting and post-drying are required
Solution Approach 1:
The invention extracts and eliminates the pre-wetting and post-drying steps from the yarn twisting process. By using a horizontal pad configuration with controlled humidity environment and rapid high-speed twisting, the process achieves sufficient yarn formation without requiring additional wetting or drying operations, thereby reducing device complexity and process steps.
Solution Approach 2:
The high-speed rotation of the pad itself provides the necessary conditions for yarn formation through the mechanical action alone, without requiring external wetting or drying assistance. The system serves itself by using the rotational energy and friction generated during high-speed operation to complete the twisting process effectively.
3Stability of the object's composition
If bowl twisters are used to twist yarn, then the pad is secured horizontally, but precise pad diameter manufacturing is required causing waste
Solution Approach 1:
The invention changes the mounting parameter from requiring precise diameter matching (as in bowl twisters) to using a hub-based system where the pad is mounted on a vertical hub extending from the rotating platform. This parameter change in the mounting mechanism eliminates the need for precise pad diameter control, allowing pads of varying dimensions to be used without waste.
Solution Approach 2:
The invention segments the mounting system into a separate hub component that can be easily adjusted or replaced. The hub is a distinct element that accommodates the pad, allowing the pad and hub to be independently manufactured and assembled. This segmentation eliminates the need for precise dimensional matching between pad and mounting structure, reducing material waste.
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
Enables stable high-speed yarn twisting with reduced waste and processing steps, producing a smooth yarn without the need for extensive pre-wetting or post-drying, and facilitates efficient pad mounting without precise diameter requirements.
Implementation Method 1
The fly twister may position the pad substantially horizontally on a rotatable platform. The pad may be mounted about a hub extending from the center of the platform, such that the pad can be stably rotated at high speeds.
Data Source
AI summary
Devices and methods for twisting yarn may twist a strip of material, such as a paper strip, into a yarn, such as a paper yarn. Such devices and methods may involve positioning a pad formed from a roll of the material horizontally in a yarn twisting device, such that the strip of material is unwound and drawn from an outer circumference of the pad, but down through the center of the pad, and subsequently through a rotating yarn twister.