Wheel Secondary Clamping Device Using Conical Alignment
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Solution Overview
Problem
Existing wheel machining devices lack a high-precision secondary clamping mechanism that ensures efficient, safe, and reliable positioning of wheels during machining, particularly for aluminum alloy wheels which require precise alignment and secure clamping to meet modern automotive industry standards.
Innovation Solution
A secondary clamping device comprising a shaft sleeve, linear bearing, positioning pin, springs, floating shaft, pull rod, and pressure plate, which uses conical surfaces and springs to align and clamp the wheel securely through a combination of gravity and mechanical action, allowing for precise positioning and machining.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a secondary clamping device is used for wheel positioning, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The clamping device is divided into multiple functional modules: a clamping mechanism with movable and fixed clamping blocks, a positioning mechanism with positioning blocks, and a driving mechanism. This segmentation allows each module to perform its specific function independently, achieving high positioning precision while maintaining manageable structural complexity through modular design.
Solution Approach 2:
The device utilizes multi-dimensional positioning by employing positioning blocks that extend in different directions and clamping blocks that apply force from multiple sides. This spatial arrangement ensures precise wheel positioning in multiple degrees of freedom, achieving high manufacturing precision through three-dimensional constraint.
2Reliability
If a secure clamping mechanism is implemented, then reliability is improved, but device complexity increases
Solution Approach 1:
The clamping blocks and positioning blocks feature locally optimized surfaces including conical surfaces and planar surfaces designed for specific contact points with the wheel. This local quality enhancement ensures reliable and secure clamping at critical contact areas, improving clamping safety without requiring complex overall mechanism design.
Solution Approach 2:
The device employs conical surfaces on the clamping blocks and positioning blocks to achieve secure clamping. The conical geometry provides self-centering action and ensures reliable contact with the wheel, improving clamping safety through geometric constraint rather than complex mechanical locking mechanisms.
3Manufacturing precision
If conical surfaces and springs are used for alignment, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The positioning mechanism utilizes springs to provide adjustable positioning force and conical surfaces that convert radial displacement into axial positioning. By changing the geometric parameters of the conical surfaces and the spring characteristics, high alignment precision is achieved through simple geometric and elastic elements rather than complex 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
The device achieves high-precision, efficient, and reliable wheel clamping, ensuring safety and reliability during machining, meeting the stringent requirements of the automotive industry for aluminum alloy wheels.
Implementation Method 1
two ends of the spring A are respectively connected with the positioning pin and the linear bearing, and the positioning pin can move up and down under the action of the spring A
Implementation Method 2
two ends of the spring B are respectively connected with the gland and the floating column, and the floating column can float up and down under the action of the spring B
Implementation Method 3
the upper conical surface of the floating column and the upper conical surface of the floating shaft are completely attached to the central hole and the bolt hole of the wheel under the gravity of the wheel and the actions of the spring A and the spring B
Implementation Method 4
the pressure plate is compressed onto the front side of the wheel by the nut so that the wheel moves down, finally, the flange surface of the wheel is in contact with the upper end face of the floating column
Data Source
AI summary
Disclosed is a secondary clamping device for a wheel. Two bearings and a spacing ring are closed in a base by a bearing end cover, a shaft sleeve is mounted on the bearings, a linear bearing and a gland are fixed on the shaft sleeve, a positioning pin is fixed at the top of the floating shaft, two ends of the spring A are respectively connected with the positioning pin and the linear bearing, and the positioning pin can move up and down under the action of the spring A. A pull rod is fixed on the gland, the outer wall of the floating column is connected with the inner hole of the shaft sleeve, two ends of the spring B are respectively connected with the gland and the floating column.