Spinning Machine Drafting Cylinder Transmission with Planet Gear Reducer
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current spinning machines face challenges in rapidly varying the speed of rotation of drafting cylinders, which is necessary for processes like slubbing, due to the complexity and inefficiency of existing transmission devices.
Innovation Solution
A transmission device with a compact planet gear reducer system and dedicated belt mechanisms for each drafting cylinder, allowing for rapid speed changes and efficient servicing, is integrated into the spinning machine. This system includes motors connected to planet gear reducers, diverter wheels, and jockey wheels to manage the rotation of drafting cylinders, enabling flexible and fast adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a traditional transmission device is used to move the drafting cylinders, then the structure is simple, but the speed variation of the cylinders is slow and cannot meet rapid processing requirements
Solution Approach 1:
The patent applies dynamics by making the transmission system adjustable and adaptable to different speed requirements. The variable speed drive allows the transmission device to dynamically change its characteristics, enabling rapid speed variation of drafting cylinders while maintaining a relatively simple base structure that can be configured as needed.
Solution Approach 2:
The patent introduces an intermediary variable speed drive mechanism between the motor and the drafting cylinders. This intermediary device mediates the power transmission, allowing for rapid speed changes without requiring complete redesign of the entire transmission system, thus achieving fast speed variation with controlled complexity increase.
2Adaptability or versatility
If the transmission device is designed for rapid speed variation, then the speed control improves, but the device complexity increases
Solution Approach 1:
The patent applies universality by designing a variable speed drive that can handle multiple functions: it provides both speed variation and maintains the basic transmission function. This multi-functional approach allows the transmission device to achieve rapid speed changes while serving as a universal solution that can be applied to different processing requirements without needing separate specialized mechanisms.
Solution Approach 2:
The patent applies parameter changes by utilizing a variable speed drive that can continuously adjust speed parameters. This allows the transmission device to adapt its operating characteristics dynamically, providing flexible speed control for different processing stages (such as slubbing) without requiring physically reconfigurable mechanisms, thus improving adaptability with moderate complexity increase.
3Area of stationary object
If a compact transmission device is used, then the space occupied is reduced, but the servicing and maintenance becomes difficult
Solution Approach 1:
The patent applies segmentation by dividing the transmission device into modular components, particularly with the variable speed drive as a separate, self-contained unit. This segmentation allows the compact overall design while enabling individual components to be accessed, removed, and serviced independently, thus maintaining ease of repair despite reduced overall space occupation.
Solution Approach 2:
The patent applies the extraction principle by designing the variable speed drive as a removable module that can be taken out from the main transmission system. This allows the compact integration of the transmission device in the overall machine layout, while simultaneously enabling easy extraction and replacement of the variable speed drive unit for servicing without disassembling the entire transmission system.
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
The solution enables rapid speed variation of drafting cylinders, reduces motor inertia, facilitates quick belt replacements, and allows for efficient servicing by allowing each component to be easily extracted and replaced, enhancing the spinning machine's productivity and operational efficiency.
Implementation Method 1
a planet gear reducer (50a), moved by the motor (20), and a further reducer (50b), moved by the planet gear reducer (50a)
Implementation Method 2
The belts (72, 74, 76, 78) are suitable for engaging the shafts (52, 54, 84, 94) and the third cylinder shaft (84) and for moving the second and third drafting cylinders (2, 3) in rotation
Data Source
Figure 1a
Figure 1b
Figure 1c
AI summary
A spinning machine is provided with a transmission device for the movement of the drafting cylinders fitted with a planet gear reducer (50a) for the movement of the second and third cylinders (20,30) and the transmission of the movement between the shafts (70,84,94) downstream of the reducer (50a) is performed by mean of belts.