Shaftless Detaching Roller Structure for Lower Inertial Load
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Solution Overview
Problem
Combing machines face challenges with detaching rollers due to high inertial loads during acceleration and deceleration, affecting the quality and rhythm of the combing process.
Innovation Solution
A shaftless detaching roller design featuring a hollow cylinder with a rubber layer and male coupling elements, reducing the moment of inertia by distributing mass away from the center, allowing for lighter construction using light metals or composite materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If idle detaching rolls are firmly pressed against motorised detaching rolls and driven by their motion, then the combing machine is simplified, but the inertial load on the driving body is multiplied
Solution Approach 1:
The patent divides the idle detaching roll into multiple segments: a hollow cylinder body, a rubber layer, and multiple male coupling elements distributed around the circumference. This segmentation allows each component to be optimized independently - the hollow cylinder provides structural support with reduced mass, the rubber layer provides friction for driving, and the coupling elements provide rotational connection to the combing teeth, collectively reducing inertial load while maintaining driving function
Solution Approach 2:
The idle detaching roll uses composite construction combining a hollow metal cylinder (for structural strength and low weight), a rubber layer (for friction and elasticity), and coupling elements (for mechanical connection). This composite approach allows the roll to achieve the required functional performance with minimized mass and inertial load
2Productivity
If the moment of inertia of idle detaching rolls is reduced, then the quality and rhythm of combing is improved, but the structural design becomes more complex
Solution Approach 1:
The patent employs a hollow cylinder design for the idle detaching roll body, which dynamically reduces the moment of inertia compared to a solid cylinder of the same outer dimensions. This dynamic structural optimization allows the roll to respond more quickly to acceleration and deceleration during the combing cycle, improving combing quality and rhythm while the modular assembly of components keeps the overall design manageable
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 shaftless design improves the quality and rhythm of the combing process by minimizing inertial stress on the detaching rollers, enhancing the efficiency and performance of the combing machine.
Implementation Method 1
a second roll in an elastic material, preferably of hard rubber, with smooth surface, led in rotation by said metallic roll, with respect to which it is in contact with pressure
Data Source
Figure 1~2
Figure 3
AI summary
The present invention concerns a shaftless detaching roller (100) for a combing machine (4) comprising a hollow cylinder (110), a rubber layer (120) disposed on the outer surface of said hollow cylinder (110), and coupling elements (130) configured to be inserted in said hollow cylinder (110).