Flexible Clamping Device for Mixed-Size Wheel Hub Precision
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Solution Overview
Problem
Existing clamping devices lack the flexibility to accommodate hubs of different sizes effectively in mixed-line production processes, limiting their precision and efficiency in automatic production lines.
Innovation Solution
A flexible clamping device composed of a housing, shafts, sleeves, a cylinder, connector, clamping spring, pressure block, and protective pad, which allows for linear and rotational movements to accommodate and compact wheels of varying sizes by adjusting the position of the pressure block and protective pad based on wheel size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed clamping device is used, then the structure is simple, but it cannot accommodate hubs of different sizes
Solution Approach 1:
The clamping device incorporates movable components including a slider that can translate along the clamping direction and a rotating mechanism that adjusts the angle of the clamping arm. These dynamic elements allow the device to adapt its geometry to accommodate hubs of varying sizes while maintaining effective clamping force, resolving the contradiction between adaptability and structural simplicity.
Solution Approach 2:
The device integrates multiple functions into a single system: the clamping arm can both clamp and position hubs, the slider provides both linear movement and angular adjustment, and the rotating mechanism enables adaptation to different hub diameters. This multi-functionality allows one device to handle various hub sizes without requiring multiple specialized tools.
2Adaptability or versatility
If a rigid clamping structure is used, then the manufacturing precision is high, but it cannot accommodate size variations
Solution Approach 1:
The movable slider and rotating clamping arm create a dynamic clamping system that maintains precise contact with the hub surface regardless of size variations. The mechanism ensures the clamping force is always applied at the correct position and angle, preserving manufacturing precision while adapting to different dimensions.
Solution Approach 2:
The device changes its geometric parameters (position of the slider, angle of the clamping arm, distance from the rotation center) based on the hub size being clamped. These parameter adjustments allow the rigid clamping surfaces to maintain proper alignment and contact pressure across different hub dimensions, preserving precision while gaining flexibility.
3Manufacturing precision
If multiple clamping devices are used for different sizes, then the precision for each size is optimized, but the device complexity increases
Solution Approach 1:
A single clamping device is designed to perform the function of multiple specialized devices through its adjustable mechanism. The slider and rotating arm enable one device to accurately clamp hubs of various sizes, eliminating the need for multiple dedicated clamping tools while maintaining optimization for each size category.
Solution Approach 2:
The dynamic adjustment capabilities allow one clamping device to replace several static devices. By translating the slider and rotating the arm to different positions, the same physical device can be configured for different hub sizes, achieving the precision of multiple specialized devices with a single multi-functional unit.
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 high-precision, efficient, and reliable clamping of both small and large-sized wheels, enhancing automation and suitability for batch production in wheel burr brushing processes.
Implementation Method 1
the cylinder rod of the cylinder moves up linearly, the cylinder simultaneously moves right in the circumferential direction by using the shaft I as a rotating shaft
Implementation Method 2
the connector is articulated with the pressure block via the shaft II and the clamping spring, the protective pad presses the hub of the wheel
Data Source
AI summary
The present disclosure provides a flexible clamping device, which is composed of a housing, a shaft I, a sleeve I, a cylinder, a connector, a shaft II, a clamping spring, a protective pad, a pressure block, a shaft III, a sleeve II and a bottom plate. The bottom plate is provided with two steps on which wheels having different sizes are fixed respectively. When the large-sized wheel is put on the bottom step, the cylinder drives the connector to move right in a plane, the protective pad on the pressure block presses the hub of the wheel, and the function of compacting the large-sized wheel is thus realized; when the small-sized wheel is put on the bottom step, the cylinder drives the connector to continuously move right in the plane, the protective pad on the pressure block presses the hub of the wheel, and the function of compacting the small-sized wheel is thus realized. The flexible clamping device in use can meet the requirement of mixed-line high precision clamping in the wheel burr brushing process, has the characteristics of ideal effect, high efficiency, safety and reliability in work and high degree of automation, and is particularly suitable for batch production on production lines.