Segmented Roll Transfer Assembly for Continuous Web Winding
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing web processing systems face issues such as winding interruptions and web quality defects, leading to potential machine slowdowns or shutdowns, which can be hazardous and costly.
Innovation Solution
A roll transfer assembly with a segmented roll system and a rotary accumulator system that allows for seamless web transfer and winding, including a support beam, segmented rolls, and a core roll that can move vertically or horizontally, along with a belt assist conveyor and adhesive application to ensure continuous operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional winding systems are used, then the web processing can continue, but winding interruptions and web quality defects occur requiring machine slowdowns or shutdowns
Solution Approach 1:
The roll transfer assembly is divided into multiple segmented rolls (first end segment, second end segment, central segment) that can independently rotate and transfer web. This segmentation allows the web to be transferred across multiple contact points, distributing the transfer load and preventing single-point failures that cause winding interruptions.
Solution Approach 2:
The support beam is moveably mounted to the frame, allowing the entire roll transfer assembly to move vertically or horizontally. This dynamic positioning enables the system to adapt to different web tensions and transfer conditions, maintaining reliable web contact throughout the transfer process without requiring machine shutdowns.
2Reliability
If operator intervention is used to correct web issues, then web quality defects can be addressed, but operators are placed in hazardous areas
Solution Approach 1:
The roll transfer assembly automatically transfers the web from the processing line to the winding system without requiring operator intervention. The segmented rolls and moveable support beam work together to maintain proper web tension and contact, enabling the system to self-correct transfer issues that would otherwise require dangerous manual intervention.
3Reliability
If machine slowdowns are implemented to prevent web issues, then web quality can be maintained, but time and material costs increase
Solution Approach 1:
The roll transfer assembly enables continuous web transfer from the extrusion line to the winding system without interruptions. The segmented rolls maintain constant web contact and tension, while the moveable support beam adjusts to accommodate varying web conditions, allowing the machine to operate continuously at optimal speed without slowdowns or shutdowns.
4Productivity
If a simple roll transfer system is used, then the device complexity is low, but seamless web transfer and continuous operation cannot be achieved
Solution Approach 1:
The roll transfer assembly uses multiple segmented rolls (first end segment, second end segment, central segment) mounted on a moveable support beam. This segmentation provides multiple web contact points for reliable transfer while keeping each individual roll component simple and maintainable.
Solution Approach 2:
The moveable support beam serves multiple functions: it positions the segmented rolls, accommodates web tension variations, and enables vertical or horizontal adjustment. This single component performs what would otherwise require multiple separate mechanisms, achieving continuous operation capability without proportionally increasing overall system complexity.
Data Source
AI summary
A roll transfer assembly for a web processing system includes a support beam configured to be mounted to a frame. The assembly includes a segmented roll assembly mounted to the support beam and includes a first and second end segments and a central segment positioned between the first and second end segments. The assembly includes a first transfer roll positioned between the first end segment and the central segment and a second transfer roll positioned between the second segment and the central segment. The assembly includes an actuation assembly that includes a first drive system configured to translationally move the first transfer roll and the second transfer roll. A second drive system is configured to move the roll transfer assembly relative to the frame.