Variable Ratio Web Displacement Lever Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing devices for controlling the lateral displacement of material webs in textile and tire production lack adaptability to different materials and environments, leading to inefficiencies and potential safety hazards due to fixed displacement ratios and inadequate safety features.
Innovation Solution
A device with a rotatable roller and slats, featuring a variable adjustment ratio between the actuator and slat displacement means, allowing for customizable lateral displacement strength and incorporating safety features like slat securing and protective mechanisms, along with a pivoting lever and adjustable pivot point for precise control and reduced wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed displacement ratio is used between actuator and slat displacement means, then the device structure is simple, but the adaptability to different material webs and applications is poor
Solution Approach 1:
The patent implements a variable adjustment ratio mechanism that allows the displacement ratio between the actuator and slat displacement means to be dynamically changed. This is achieved through a pivoting lever with an adjustable pivot point, enabling the device to adapt to different material webs and application requirements while maintaining a relatively simple overall structure.
Solution Approach 2:
The patent changes the geometric parameter of the connecting means (pivoting lever) by adjusting the pivot point position. This parameter change allows the displacement ratio to be varied, providing adaptability to different material webs without significantly increasing device complexity. The adjustment can be made discretely or continuously depending on the specific implementation.
2Adaptability or versatility
If the actuator adjustment is directly coupled to slat displacement means with 1:1 ratio, then the device complexity is low, but the ability to achieve different strengths of lateral displacement is limited
Solution Approach 1:
The patent introduces a pivoting lever as an intermediary connecting means between the actuator and the slat displacement means. This intermediary element enables variable ratio transmission, allowing the actuator adjustment to be translated into different strengths of lateral displacement depending on the pivot point position, thereby achieving adaptability without excessive complexity.
3Adaptability or versatility
If the pivot point of the pivoting lever is fixed, then the manufacturing and assembly are simple, but the wear on the connecting means is increased and adjustment flexibility is reduced
Solution Approach 1:
The patent makes the pivot point position adjustable rather than fixed. This dynamic adjustment capability allows the pivot point to be repositioned along the pivoting lever to optimize performance for different applications and to distribute wear more evenly, while still maintaining relatively simple manufacturing and assembly processes through the use of standard adjustment mechanisms.
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
Enables flexible and efficient lateral displacement of various material webs, such as textiles and rubber, while ensuring safety by adapting displacement strength to material type and reducing wear and risk of slat detachment, thus enhancing operational safety and productivity.
Implementation Method 1
The connecting means can be adapted such that the relationship is defined by a first lever arm between the actuator and the pivot point and a second lever arm between the pivot point and the slat displacement means.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The device has a roller (1) rotatably mounted around an axis (A) and including bars (2). A control drive (4) is connected with a bar shifting unit (3) by a connecting device (5) i.e. lever, to adjust the drive with respect to adjustment of the unit such that a material web lying on the bars is shifted towards the axis. The connecting device makes adjustments of the control drive and the shifting unit with each other in a certain ratio that is variably adjusted. The connecting device adjusts the unit with respect to pivoting around a pivot axis (D) relative to a fixed part (10).