Machine Tool Locating Mechanism for Precise Surface Positioning
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Solution Overview
Problem
Existing machine tools face challenges such as manual operation for non-straight shapes, high safety risks, limited object size, high construction and maintenance costs, and the need for advanced operator knowledge, with previous solutions like cable-based localization systems experiencing measurement errors and complexity.
Innovation Solution
A locating apparatus for machine tools that uses a detection system with omni-wheels and a control unit to determine position relative to the machining surface, allowing precise and repeatable positioning without excessive manufacturing costs, enabling machining on any surface geometry with real-time path adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If cable-based localization systems are used to determine machine tool position, then positioning capability is provided, but measurement errors occur and system complexity increases
Solution Approach 1:
The patent replaces the mechanical cable-based detection system with an optical detection system. The detection apparatus uses optical means (cameras, markers, optical sensors) to determine the position and orientation of the machine tool relative to the object, eliminating the mechanical cables and their associated measurement errors while reducing overall system complexity.
Solution Approach 2:
The patent uses optical markers that create a digital representation or copy of the physical position and orientation. The detection apparatus captures optical signals that replicate the spatial relationship between the machine tool and the object, allowing precise positioning without direct mechanical contact or complex cable systems.
2Extent of automation
If numerical control machines with machining chambers are used, then automation is improved, but the size of objects that can be worked is limited
Solution Approach 1:
The patent transitions from a confined 3D machining chamber environment to an open-space operation. The detection apparatus and machine tool operate in an unconstrained environment above the object's surface, allowing the object to extend indefinitely in the horizontal plane without being limited by chamber walls or loading system constraints.
3Ease of operation
If traditional machine tools with workpiece holder tables are used, then manual operation flexibility is maintained, but operator safety is compromised and manual skill requirements increase
Solution Approach 1:
The system provides self-guidance through the detection apparatus that automatically determines the position and orientation of the machine tool relative to the object. The machine tool follows the detected path without requiring manual guidance skills, and the system inherently maintains safety by eliminating the need for operators to remove protective covers or closely monitor manual operations.
4Adaptability or versatility
If multiple machine tools are used to perform different machining processes, then process versatility is improved, but production costs and machining times increase
Solution Approach 1:
The patent creates a universal machine tool system that can perform multiple machining processes through software control and detection apparatus guidance. The same machine tool can be programmed and positioned to execute different machining operations on the same or different objects, eliminating the need for multiple specialized machines and reducing both costs and transfer time between operations.
Data Source
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AI summary
Provided herein is a locating apparatus (1b) for a machine tool (1a) comprising a supporting portion (9) suitable to be placed at a fixed point on a machining surface (10a) of an object (10), detection means (7) comprising a cable (70, 71) designed to connect the apparatus (1b) with the machine (1a), and a locating portion (8) configured to release or receive the cable (70, 71) in such a way as to measure the distance (L1, L2) detected between the machine (1a) and the apparatus (1b) and including at least one frame, a first device (80), a second device (81) and a third device (82), wherein the first device (80) is attached to the frame and suitable for receiving or releasing the cable (70, 71) in opposition to or pushed by an elastic element (801), the second device (81) is attached to the frame and comprises a transmission member designed to allow the passage of the cable (70, 71), the third device (82) is attached to the frame and suitable for allowing the release or reception of the cable (70, 71) by the apparatus (1b) towards the machine (1a), and wherein the first device (80) comprises a discoidal element (800) rotating around an axis of rotation (8a) with respect to the frame in such a way as to wind or release the cable (70, 71) on a winding surface (8b), and the second device (81) includes at least one guiding slider (811) suitable for conveying the cable (70,71) along a conveying direction (81b) and configured to move along the translation direction (81a) parallel to the axis of rotation (8a) in proportion to the rotation of the discoidal element (800).