Multi-Station Engraving Fixture for Synchronized Cylindrical Rotation
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Solution Overview
Problem
Existing engraving fixtures are limited in efficiently processing multiple cylindrical objects, as they typically allow engraving of only one rotation-symmetrical object at a time, requiring incremental rotation of cylindrical objects to achieve a two-dimensional engraving result, which is time-consuming and inefficient for serial processing.
Innovation Solution
A fixture with a base member and slave beam structure, featuring drive and idler wheels, allows for synchronized incremental rotation of cylindrical objects along the X-axis, enabling simultaneous two-dimensional engraving by gang-adjusting the distance and height of the wheels to accommodate objects of varying lengths and ensure stable positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a fixture holds only one rotation-symmetrical object at a time, then the engraving tool can focus on a single object, but the processing efficiency is reduced due to sequential processing of multiple objects
Solution Approach 1:
The patent combines multiple object-holding stations into a single fixture structure that can accommodate multiple cylindrical objects simultaneously. The base member with multiple stations allows the engraving tool to process multiple objects in sequence without requiring separate fixtures, thereby improving productivity while maintaining manageable device complexity.
Solution Approach 2:
The fixture is designed with universal functionality to hold and rotate various cylindrical objects of different sizes. The adjustable drive wheels and idler wheels can accommodate different object diameters, and the gang-driven rotation system works for all stations, making the fixture versatile for processing multiple types of cylindrical objects efficiently.
2Manufacturing precision
If cylindrical objects are rotated incrementally between passes, then a two-dimensional engraving result can be achieved, but the processing time increases
Solution Approach 1:
The fixture enables continuous useful action by allowing the engraving tool to work on multiple objects simultaneously while the drive system rotates all objects incrementally in sync. This parallel processing approach maintains the quality of two-dimensional engraving across all objects while significantly reducing total processing time compared to sequential single-object processing.
Solution Approach 2:
The dynamic rotation system allows objects to be rotated incrementally during the engraving process. The gang-driven drive wheels provide synchronized rotational movement to all objects, enabling the engraving tool to capture two-dimensional images by moving across rotating cylindrical surfaces, thereby achieving high-quality engravings efficiently.
3Adaptability or versatility
If the fixture accommodates objects of varying lengths, then versatility is improved, but the positioning and levelness control becomes more difficult
Solution Approach 1:
The fixture incorporates adjustable components that can be dynamically configured for different object lengths. The height-adjustable idler wheels and position-adjustable drive wheels allow the fixture to adapt to various object sizes while maintaining proper surface levelness through mechanical adjustment, thus achieving both versatility and precision.
Solution Approach 2:
The fixture allows parameter changes in the positioning system to accommodate different object lengths. By adjusting the height and position of drive and idler wheels, the system can adapt to various cylindrical objects while maintaining consistent surface levelness for accurate engraving, resolving the contradiction between versatility and precision.
Data Source
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AI summary
A fixture for facilitating the serial engraving of a plurality of cylindrical objects such as glasses or mugs mounted on individual serially arranged stations along a master base plate. Each station includes a drive structure and, spaced therefrom, a passive support structure. The two structures in each station can be gang-adjusted for object length. In addition, the support structures can be height-adjusted to level the engraved surfaces of tapered objects. All of the drive structures include drive wheel pairs and all are driven by a single stepper motor via a single shaft and individual belt and pulley systems.