Rolling Device Resilient Contact Mechanism Film Thickness Control
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Solution Overview
Problem
Existing rolling devices for film thickness adjustment in battery and supercapacitor manufacturing are complex, prone to mechanical damage, and lack precision, requiring lengthy and costly adjustment processes, especially after incidents or material overflow.
Innovation Solution
A rolling device with resilient contact means that exert a compressive force and give way when a threshold force is exceeded, combined with mechanical stop control means for precise adjustment, reducing mechanical chain length and improving stability and precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a wedge system with long mechanical chain is used for cylinder adjustment, then the device can regulate film thickness, but the adjustment time becomes considerable and precision is lost
Solution Approach 1:
The patent removes the sloping wedge mechanism from the system, replacing it with a direct motor-driven translation mechanism. This extraction of the problematic wedge element eliminates the long mechanical chain and associated timing delays while maintaining the ability to regulate cylinder distance and film thickness with improved precision and speed.
Solution Approach 2:
The patent replaces the mechanical wedge-based adjustment system with a motor-driven translation mechanism. This substitution eliminates the complex mechanical chain involving sloping wedges and bearings, providing more direct and precise control over cylinder position and film thickness regulation.
2Reliability
If resilient contact means are used to prevent mechanical damage, then device protection is improved, but adjustment precision may be compromised
Solution Approach 1:
The patent employs resilient contact means that dynamically adapt to force conditions - remaining rigid during normal operation to maintain precision, and yielding when threshold forces are exceeded to prevent damage. This dynamic behavior allows the system to maintain precision while providing protective functionality.
Solution Approach 2:
The resilient contact means are pre-configured to provide cushioning protection before damage can occur. By anticipating excessive forces and providing a yield mechanism in advance, the system protects itself from mechanical damage while maintaining operational precision during normal conditions.
3Manufacturing precision
If conventional wedge adjustment system is used, then cylinder distance can be regulated, but disproportionate forces can be exerted causing parallelism defects
Solution Approach 1:
The patent replaces the wedge-based force transmission mechanism with a motor-driven translation system. This substitution provides more controlled and balanced force application to the cylinders, eliminating the disproportionate forces that occur with wedge systems and preventing parallelism defects.
Solution Approach 2:
The motor-driven translation mechanism acts as an intermediary between the control system and the cylinders, providing balanced and controlled force distribution. This intermediary mechanism ensures that forces are applied evenly to maintain cylinder parallelism, unlike the direct wedge contact that causes force imbalances.
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 solution enables faster, simpler, and more precise adjustment of film thickness, preventing mechanical damage and maintaining stability, resulting in a more efficient and reliable rolling process with reduced thickness variations.
Implementation Method 1
resilient contact means which exert a first force on the mobile assembly in the direction of approximation of the first fixed assembly, the resilient contact means being configured to give way when the reaction force exerted by the mobile assembly on the latter is greater than a predetermined threshold force
Data Source
AI summary
The present invention relates to a rolling device including a stationary first assembly (110), comprising at least one first rolling cylinder (110), and a movable second assembly (120), comprising at least one second rolling cylinder (122). The second assembly (120) is movable along at least one degree of freedom relative to the stationary first assembly (110) such that the axis (X2) of the second cylinder (122) is movable relative to that of the first cylinder (110) so as to control the distance between the cylinders (110, 120). Said rolling device is characterized in that it includes: a resilient contact means (130) that exerts a first force on the movable assembly (110), said resilient contact means (130) being configured so as to give way when the reaction force exerted by the movable assembly (110) on these latter is greater than a predetermined threshold force; and a control means (160) that exerts, on the movable assembly (110), a second force having a component essentially opposite the force exerted by the resilient contact means (130).