Roller Clamping Apparatus for Uniform Edge Pressure
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Solution Overview
Problem
Conventional clamping apparatuses are inadequate for applying pressure to the edge surfaces of large workpieces, as they are either too small to support the workpiece or not designed for edge pressure application.
Innovation Solution
A clamping apparatus comprising a frame, rollers, a rotation-control member, and biasing members that allow for rotational and translational movement, enabling the application of pressure to the edge surface with minimal effort, uniform pressure distribution, and adjustable pressure levels by stretching a tension-based biasing member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If conventional clamping apparatuses are used to apply pressure to edge surfaces, then pressure can be applied to small workpieces, but they cannot support large workpieces or apply uniform pressure to edge surfaces
Solution Approach 1:
The clamping apparatus is divided into multiple independent rollers (first roller, second roller, third roller) that can be positioned at different locations. Each roller independently contacts the workpiece at specific points, allowing the apparatus to accommodate large workpiece dimensions while maintaining edge pressure application capability through distributed contact points
Solution Approach 2:
The apparatus combines multiple functions: rollers provide both support contact with the workpiece faces and edge contact for pressure application. The frame structure simultaneously supports the rollers and provides the mechanical advantage system through the biasing member. This multi-functionality allows the apparatus to handle large workpieces while maintaining edge pressure capability
2Force
If specialized clamping apparatuses are used to apply edge pressure, then pressure can be applied to workpieces, but the apparatus requires external support and cannot be easily installed or removed
Solution Approach 1:
The biasing member (spring) provides a mechanical advantage system that generates substantial edge pressure force through elastic deformation. The spring's stored energy counteracts the force required to apply and maintain pressure on the workpiece edge, enabling high force output without requiring external support structures or complex actuation mechanisms
Solution Approach 2:
The apparatus is designed to be self-supporting through the frictional coupling between the rollers and workpiece faces. The biasing member automatically maintains pressure without requiring external power or control systems. The apparatus can be installed and removed by hand operation, making it self-sufficient and easy to deploy
3Ease of operation
If hand-held clamps are used to apply edge pressure, then the apparatus is easy to operate, but they cannot apply sufficient or uniform pressure to large workpieces
Solution Approach 1:
The rollers have curved surfaces that conform to the workpiece geometry. This curvature allows the rollers to contact the workpiece at multiple points simultaneously, distributing the applied force uniformly across the edge surface. The rounded contact surfaces also facilitate smooth hand operation by reducing stress concentration points
Solution Approach 2:
The rollers act as intermediary elements between the hand-operated biasing member and the workpiece edge. The rollers transmit and distribute the force from the spring uniformly across the edge surface through rolling contact, converting the concentrated force from the biasing member into distributed pressure on the workpiece
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 efficient and one-handed operation to apply pressure uniformly to large workpieces, maintaining the pressure through frictional coupling without external support, allowing for easy installation and removal.
Implementation Method 1
The first biasing member is coupled to the frame and is configured to operate in tension... stretching the first biasing member so that the first biasing member applies the pressure to at least the portion of the edge surface
Implementation Method 2
The second biasing member is positioned, in compression, between the frame and the rotation-control member
Implementation Method 3
creating a frictional coupling between the apparatus and the workpiece, which maintains the pressure, applied to at least the portion of the edge surface by the first biasing member
Data Source
AI summary
An apparatus for applying pressure to an edge surface comprises a frame, a first roller, a second roller, a rotation-control member, a first biasing member, and a second biasing member. The first roller and the second roller are coupled to the frame and are rotatable relative to the frame. At least one of the first roller or the second roller is translatable relative to the frame. The rotation-control member is movable relative to the frame, controlling rotation of the first roller and the second roller relative to the frame. The first biasing member is coupled to the frame and is configured to operate in tension. The second biasing member is positioned, in compression, between the frame and the rotation-control member.