Quick Release Roller Sleeve Hub for Alignment Maintenance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current roller sleeve mounting and demounting processes are time-consuming and require downtime for alignment corrections, leading to production delays and wasted batches due to the need to replace both the sleeve and core.
Innovation Solution
A quick release roller sleeve mounting hub with fiberglass or composite material, allowing the outer rim flange to slide in and out for easy dismounting and mounting, keeping the core aligned and in service, reducing the need for core replacement and minimizing downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the entire roller sleeve and core assembly is removed and replaced, then a complete replacement is achieved, but production downtime increases significantly (up to an hour or more) and alignment issues may occur
Solution Approach 1:
The roller assembly is divided into two independent segments: a reusable core/hub that remains mounted on the machine and a replaceable outer sleeve portion. This segmentation allows the sleeve to be changed without removing the core, reducing downtime from over an hour to just the time needed to swap the sleeve itself.
Solution Approach 2:
The outer sleeve portion is extracted as a separate replaceable component from the core assembly. The sleeve can be independently removed and replaced while the core remains in place, eliminating the need to handle and realign the entire core-sleeve assembly as a single unit.
2Manufacturing precision
If the roller core is removed and replaced with a new one, then alignment issues are resolved, but additional time is lost and the core realignment process is required
Solution Approach 1:
The core is pre-aligned and permanently mounted on the machine during initial setup. This preliminary alignment action eliminates the need for repeated realignment operations whenever sleeves are replaced, as the core's alignment is established once and maintained indefinitely.
Solution Approach 2:
Instead of replacing the core to resolve alignment issues, the invention inverts the approach by making the sleeve the replaceable component while keeping the core fixed. This eliminates the need for realignment operations entirely, as the core's alignment is preserved across multiple sleeve replacements.
3Reliability
If multiple securing means are used to fasten the sleeve to the core, then the sleeve is securely attached, but the mounting and dismounting process becomes more complex and time-consuming
Solution Approach 1:
Instead of using multiple securing means around the entire circumference of the sleeve, the invention employs a minimal number of securing elements (such as a few set screws or clips) at critical positions. This partial securing approach provides sufficient attachment reliability while dramatically simplifying the mounting and dismounting process.
4Ease of manufacture
If the roller sleeve is made from traditional materials, then it can be manufactured, but the service life is limited and frequent replacements are needed
Solution Approach 1:
The outer sleeve is constructed from composite materials such as fiberglass-reinforced plastics or other high-performance composite formulations. These composite materials provide enhanced durability, wear resistance, and service life compared to traditional materials, while still allowing for relatively simple manufacturing processes.
Data Source
AI summary
A quick release roller sleeve and mounting hub assembly is described for use with high speed roller machines. The assembly includes an outer flange plate that can be detached from the assembly in order for the roller sleeve to be dismounted and a new roller sleeve mounted as the existing roller sleeve becomes worn and needs to be replaced. The quick release permits the mounting hub and other parts of the assembly to remain in their aligned configuration and positions while only exchanging the roller sleeve portion of the assembly.