Movable Carriage Machining Unit for Compact Footprint
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Solution Overview
Problem
Machine tools face challenges with large footprints, complex logistics, and ergonomic limitations, particularly in accessing the tool and workpiece holders, which hinder efficient maintenance and operation, especially in confined spaces like watchmaking and other precision industries.
Innovation Solution
A machining unit with a protective cabin featuring a front door that opens to allow the machining assembly to protrude, enabling access to the tool and workpiece holders from outside the cabin, reducing the machine's footprint and improving ergonomics by allowing manipulation without entering the protective cabin.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the machine tool is equipped with multiple doors or retractable panels for improved access, then operator accessibility to tool and workpiece holders is improved, but the machine footprint and device complexity increase
Solution Approach 1:
The patent applies the dynamics principle by making the protective cabin itself movable rather than fixed. The cabin can translate along the Y-axis between a first position (covering the machining assembly during operation) and a second position (exposing the machining assembly for access). This dynamic reconfiguration allows the cabin to serve dual purposes: protection during machining and access during maintenance, eliminating the need for multiple doors or panels while maintaining a compact footprint.
Solution Approach 2:
The protective cabin is designed with multi-functionality, serving both as a safety enclosure during machining operations and as an accessible workspace during maintenance. By making the entire cabin movable rather than opening specific panels, the design achieves universal access to all machining components (tool holder, workpiece holder, machining tool) from a single direction, replacing the need for multiple access points with different functions.
2Ease of operation
If multiple doors or panels are used for access, then operator accessibility is improved, but the number of components and device complexity increase
Solution Approach 1:
The patent reduces device complexity by replacing multiple static access points (doors and panels) with a single dynamic element - the movable protective cabin. Instead of having multiple hinged or sliding panels that require separate mechanisms, the entire cabin translates along guide rails, simplifying the mechanical structure while providing comprehensive access to all machining components when needed.
Solution Approach 2:
The patent merges the functions of multiple access doors and panels into a single movable protective cabin. Rather than having separate access points for the tool holder, workpiece holder, and machining tool, the unified cabin structure provides access to all components simultaneously when positioned in the second location, reducing the total number of mechanical elements and simplifying the overall device architecture.
3Reliability
If the machining assembly is housed inside a closed enclosure, then safety and protection are improved, but accessibility for maintenance deteriorates
Solution Approach 1:
The patent resolves the contradiction between protection and accessibility by making the protective enclosure dynamic. The protective cabin translates between two positions: in the first position, it fully encloses the machining assembly for safety during operation; in the second position, it exposes the machining assembly for maintenance and access. This dynamic reconfiguration allows the same structure to provide both protection and accessibility without compromise.
Solution Approach 2:
The patent applies segmentation by separating the protective function from the structural frame. The protective cabin is designed as a movable segment that can be positioned independently - covering the machining assembly during operation and exposing it during maintenance. This segmented approach allows the protection mechanism to be decoupled from the permanent structure, enabling flexible access while maintaining safety when needed.
Data Source
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AI summary
The present invention relates to a machining unit (100) comprising at least one machining module (110), said machining module (110) having a protection compartment (112) defining an enclosure (114) and having a front door (113) suitable for moving from a closed position to an open position defining an opening (116), a machining assembly (120) with a tool holder (122) and a workpiece holder (124), a movable carriage (130) receiving said machining assembly (120) and slidable on guide means (132) between a first position in which said machining assembly (120) is housed in said enclosure (114) and the front door (113) can be closed for the machining of a workpiece by said machining assembly (120), and a second position in which the carriage projects from the protection compartment (112) via said opening (116) and said machining unit (120) is located outside said enclosure (114), thereby allowing access to the machining assembly (120) from outside the protection compartment (112).