Draw Texturing Machine Independent Motor Segmentation
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Solution Overview
Problem
Existing draw texturing machines driven by a single large motor suffer from noise, vibration, increased size, and complex maintenance due to the need for long power transmission belts.
Innovation Solution
Each false-twisting device is independently driven by its own belt driving source, including pulleys and power transmission belts, allowing for compact power transmission and independent control, reducing noise and vibration and simplifying maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single large motor is used to drive multiple false-twisting devices, then power transmission can be centralized, but noise and vibration increase significantly
Solution Approach 1:
The patent divides the single large motor system into multiple independent small motors, with each false-twisting device having its own dedicated motor. This segmentation isolates the noise and vibration sources, preventing their accumulation and transmission throughout the entire machine, thereby reducing overall noise and vibration levels while maintaining centralized control architecture.
2Volume of moving object
If a single large motor drives all false-twisting devices through a long driving belt, then the machine can be compact, but the overall size increases due to belt transmission components
Solution Approach 1:
The patent extracts and eliminates the long driving belt and intermediate transmission components by directly coupling each small motor to its corresponding false-twisting device. This removal of unnecessary transmission elements reduces the overall machine size and simplifies the power transmission structure, achieving compactness without sacrificing functionality.
3Productivity
If a long driving belt is used to transmit power from a single motor, then power can be distributed to multiple devices, but maintenance complexity increases
Solution Approach 1:
The patent segments the power transmission system into independent modular units, where each false-twisting device has its own motor and transmission components. This modular segmentation allows for localized maintenance and repair of individual devices without requiring shutdown or intervention of the entire system, significantly improving ease of repair while maintaining overall productivity.
4Device complexity
If multiple false-twisting devices share a common motor, then the structure can be simplified, but independent control of each device becomes difficult
Solution Approach 1:
The patent assigns a dedicated motor to each false-twisting device, creating independent control units. This segmentation enables each device to be controlled, adjusted, and operated independently of others, providing high adaptability and versatility while keeping the control structure relatively simple through standardized motor-controller pairs.
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 configuration reduces noise and vibration, enables downsizing of the machine, and facilitates easier maintenance by allowing independent control of each false-twisting device, improving yarn quality consistency and reducing the likelihood of poor yarn production.
Implementation Method 1
a belt driving source provided for each of the false-twisting devices and configured to drive the first twister belt and the second twister belt
Implementation Method 2
Each false-twisting device includes: a disc configured to rotate; a first belt unit provided close to a first surface of the disc and including a first twister belt configured to allow the first yarn to be interposed between the disc and the first twister belt
Data Source
Figure 1
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Figure 3
AI summary
Problems which may occur when false-twisting devices are driven by a single driving source are solved. A draw texturing machine 1 includes a plurality of false-twisting devices 15 each configured to twist different yarns Y1 and Y2 in opposite directions to each other. Each of the false-twisting devices 15 includes: a disc configured to rotate; a belt unit 32 provided close to a first surface of the disc and including a twister belt 53 configured to allow the yarn Y1 to be interposed between the disc and the twister belt 53; a belt unit 33 provided close to a second surface of the disc and including a twister belt 63 configured to allow the yarn Y2 to be interposed between the disc and the twister belt 63; and a common motor 71 configured to drive the twister belt 53 and the twister belt 63. The above arrangement allows each motor 71 to have a smaller size as compared with cases in which the false-twisting devices 15 are driven by a large common motor. As a result, noise and vibration are reduced. Furthermore, there is no necessity to provide an element for power transmission through which the false-twisting devices 15 are driven by a common motor, and therefore downsizing of the overall draw texturing machine 1 is possible and the ease of maintenance is improved.