Roving Frame Cleaning Assembly for Contained Web Waste Removal
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Solution Overview
Problem
Existing roving frames face issues with fiber detachment and dispersion during high-speed web transit, leading to inefficient waste management, increased energy consumption, and machine contamination, which are not adequately addressed by prior solutions.
Innovation Solution
A roving frame with integrated suction and blower systems that collect and convey web waste to a collection plane, utilizing controlled air currents to minimize dispersion and optimize energy use, combined with a cleaning assembly to manage waste effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If web waste is removed using conventional suction systems, then cleaning effectiveness is improved, but energy consumption and machine dimensions increase
Solution Approach 1:
The suction system is divided into multiple suction zones with individual suction nozzles positioned at different locations along the web path. Each zone can be independently controlled, allowing the system to activate only the necessary zones based on waste generation patterns, thereby reducing overall energy consumption while maintaining effective cleaning coverage
Solution Approach 2:
The suction system operates in periodic cycles rather than continuously, activating suction during periods when web waste is detected or expected to be generated, and remaining inactive during periods with minimal waste. This periodic operation significantly reduces energy consumption while maintaining adequate cleaning effectiveness
2Reliability
If web waste is collected using conventional systems, then cleaning effectiveness is improved, but machine dimensions increase
Solution Approach 1:
The suction nozzles and air flow generators are integrated into the existing machine structure in a nested arrangement, where cleaning components are positioned within or alongside structural elements of the roving frame. This nesting approach allows the cleaning system to be incorporated without significantly increasing the overall machine footprint
Solution Approach 2:
The waste collection system merges multiple functions into integrated components that simultaneously perform structural support, web guidance, and waste suction functions. By combining these functions into unified elements rather than separate components, the machine dimensions are minimized while maintaining effective waste collection capabilities
3Productivity
If fiber detachment is prevented during high-speed transit, then production efficiency is maintained, but web waste management becomes more difficult
Solution Approach 1:
The system accepts that fiber detachment during high-speed transit is an inevitable byproduct of productive operation, and converts this harmful effect into a manageable situation by implementing targeted suction zones that efficiently capture and remove detached fibers before they cause contamination or interference, thus allowing high-speed operation to continue without compromise
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 system efficiently collects and contains web waste, reducing environmental contamination and energy consumption while maintaining production efficiency.
Implementation Method 1
a suction system (50) that generates a negative pressure with respect to the atmospheric pressure in order to collect the web waste
Implementation Method 2
conveying it to a collection plane (25) of the machine body (2), and blowing an air current towards the collection plane (25) in order to convey some web waste (9) in a longitudinal direction (X) towards at least one discharge region (29)
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A roving frame (1) comprises a machine body (2) having a collection plane (25) and a cleaning assembly (5) comprising a plurality of blower devices (51), each suitable for blowing an air current towards the collection plane (25) to convey web waste (9) deposited on the collection plane (25) towards a discharge region (29) of the machine body (2).