Rotating Optical Turret for Fast Laser Beam Alignment
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Solution Overview
Problem
Existing laser scanning systems face challenges in aligning optical devices precisely and efficiently with the object to be scanned or processed, lacking versatility and precision in operations like engraving, ablation, welding, and cutting.
Innovation Solution
A turret system for laser and measuring machines that mounts optical devices and rotates them into alignment with a laser beam reflection axis, incorporating a rotating drum with translation movement and ultra-precise centering plates for precise positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple optical devices are used for different processing operations, then versatility is improved, but device complexity and space requirements increase
Solution Approach 1:
The turret assembly serves as a universal mounting structure that can hold multiple different optical devices (scanning mirrors, focusing lenses, beam expanders) and position them all at the same optical location. This allows a single machine to perform multiple processing operations (cutting, welding, marking) by simply rotating to different devices, rather than requiring separate machines for each function.
Solution Approach 2:
The patent nests multiple optical devices within a compact turret assembly that rotates around a central axis. The devices are arranged radially around the rotation axis, allowing them to be packed efficiently in three-dimensional space. When the turret rotates, each device passes through the same optical path location, effectively nesting multiple functional elements into a single compact structure.
2Adaptability or versatility
If multiple optical devices are mounted for different operations, then versatility is improved, but time to switch between devices increases
Solution Approach 1:
Multiple optical devices are pre-mounted on the turret assembly in predetermined positions around the rotation axis. The indexing mechanism is pre-configured with detents at specific angular positions corresponding to each optical device. This allows for rapid device selection and switching by simply rotating the turret to the predetermined position for the desired operation, eliminating the need for time-consuming manual installation or adjustment during operation.
3Manufacturing precision
If precision alignment of optical devices is achieved, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The indexing mechanism provides self-aligning features through precision-machined detents and corresponding slots or cam profiles. When the turret rotates to a stopped position, the indexing mechanism automatically positions each optical device at the correct angular orientation relative to the beam path. The mechanical design itself provides the alignment function without requiring external alignment tools, adjustment screws, or complex calibration procedures.
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
Enhances versatility, precision, and efficiency in processing and measuring operations by allowing multiple devices to be positioned accurately and quickly, reducing time and space requirements while maintaining economic advantages.
Implementation Method 1
Laser scanners operate by using the reflection of a laser light beam emitted by an emitting device on the object to be measured
Data Source
AI summary
Object of the invention is a laser machine and/or a measuring machine adapted for mounting at least one optical device and for rotating it at a workpiece to be processed and/or measured, said turret (10) comprising: —at least one turret body supported by the machine; —at least one rotating drum (120) supported by said turret body and supporting at least two devices chosen from optical, gripping, processing, measuring or vision devices; —a laser scanner mounted, in whole or in part, inside the rotating drum of the above-mentioned turret; —said laser scanner being able to use a laser beam, the above-mentioned laser beam having a reflection axis and being generated by a laser generator external to the above-mentioned turrent (10); wherein—the rotating drug (120) is mounted rotating around said turrent body so as to rotate to bring each device alternatively in alignment with or at the axis of reflection of the laser beam coming from the laser scanner.