Clamping Device With Elastic Buffering For Tolerance Compensation
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Solution Overview
Problem
In automatic assembly of electronic components, clamping devices face deviations due to workpiece tolerances or deformations, leading to inaccuracies in clamping and assembly.
Innovation Solution
A clamping device comprising a telescoping assembly, buffering assembly, and clamping assembly, which includes an elastic member to compensate for tolerance variations by adjusting the clamping position, ensuring accurate assembly despite workpiece deviations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a conventional clamping device is used to clamp workpieces, then the assembly process can be automated, but tolerance or deformation of workpieces causes deviation in clamping and assembly accuracy
Solution Approach 1:
The clamping device incorporates a telescoping assembly with multiple telescoping blocks that can dynamically adjust their positions along the telescoping direction. This dynamic adjustment capability allows the clamping device to adapt to workpiece tolerance and deformation variations, maintaining clamping accuracy while enabling automated assembly operations.
Solution Approach 2:
The device changes the clamping parameters by adjusting the position of telescoping blocks within their telescoping ranges. By varying the clamping position and orientation parameters dynamically, the system compensates for workpiece dimensional variations and maintains precise assembly despite automated operation requirements.
2Stability of the object's composition
If the clamping device structure is made rigid to maintain stability, then structural stability is improved, but it cannot compensate for workpiece tolerance variations
Solution Approach 1:
The clamping device is segmented into multiple independent telescoping blocks, each capable of individual adjustment within its telescoping range. This segmentation allows different parts of the clamping structure to adapt independently to workpiece variations while maintaining overall structural stability through the coordinated operation of segmented components.
Solution Approach 2:
The device transitions from a static rigid structure to a dynamic adjustable structure by incorporating telescoping assemblies. The telescoping blocks can dynamically change their positions to compensate for workpiece tolerance while maintaining structural integrity through controlled movement within defined ranges.
3Adaptability or versatility
If the clamping device is designed with adjustable components to compensate for tolerance, then adaptability is improved, but device complexity increases
Solution Approach 1:
The telescoping assembly serves multiple functions: it provides structural support, enables positional adjustment for tolerance compensation, and maintains clamping force. By making this single assembly multi-functional, the design achieves adaptability without proportionally increasing overall device complexity.
Solution Approach 2:
The dynamic telescoping mechanism provides a compact yet adjustable structure. The telescoping blocks can extend or retract as needed, offering adaptability for tolerance compensation while maintaining a relatively compact form factor when not in use, thus managing device complexity effectively.
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 enhances clamping and assembly accuracy by compressing the elastic member to adjust the clamping members, effectively addressing tolerance and deformation issues in workpieces.
Implementation Method 1
a telescoping assembly 30, a buffering assembly 50, and a clamping assembly 70, which includes an elastic member to compensate for tolerance variations by adjusting the clamping position
Data Source
AI summary
A clamping device comprises a driving cylinder, a buffering assembly, a first clamping member, and a second clamping member. The first clamping member and the second clamping member are mounted to the driving cylinder. The buffering assembly comprises a fixing member, a guiding rail, a guiding rod, and an elastic member. The fixing member comprises a first mounting portion and a second mounting portion. The first mounting portion defines a through hole. The guiding rail is mounted to the fixing member and located between the first mounting portion and the second mounting portion. The driving cylinder is mounted to the guiding rail. A first end of the guiding rod is movably received through the through hole, and a second end of the guiding rod is fixed to the driving cylinder. Opposite ends of the elastic member resist against the first mounting portion and the driving cylinder, respectively.