Polishing Machine Interchangeable Execution Assemblies
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Solution Overview
Problem
Users require multiple tools for polishing workpieces, leading to increased costs and reduced efficiency due to the need for separate tools for sanding, polishing, and waxing processes.
Innovation Solution
A versatile polishing machine with interchangeable execution assemblies that can perform sanding, polishing, and waxing functions using a single unit, featuring a rotatable main shaft and movable limiting member for easy assembly and disassembly of different accessories, allowing for multiple processes with reduced tooling needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If users employ multiple separate tools for sanding, polishing, and waxing, then each tool can be optimized for its specific function, but the overall cost increases and work efficiency decreases
Solution Approach 1:
The polishing machine is designed with a universal main shaft that can accommodate multiple types of execution assemblies (sanding, polishing, and waxing) through standardized mounting interfaces. This allows a single device to perform multiple functions that previously required separate tools, directly addressing the contradiction by improving functional versatility while maintaining manageable device complexity through modular design
Solution Approach 2:
The device is divided into distinct modular components: a main shaft assembly and interchangeable execution assemblies. Each execution assembly can be independently attached or detached, allowing users to switch between different functions (sanding, polishing, waxing) by simply changing the attached component. This segmentation enables multi-functionality without creating an overly complex monolithic structure
2Productivity
If users need multiple separate tools for different polishing processes, then each process can be performed with dedicated equipment, but the time required for tool switching and the overall productivity decrease
Solution Approach 1:
Multiple execution assemblies are prepared in advance and can be quickly swapped onto the main shaft when needed. The standardized interface allows for preliminary preparation of different attachments, enabling rapid tool switching without requiring complex reconfiguration or lengthy setup procedures, thus reducing tool switching time and improving productivity
3Reliability
If the limiting member is designed to securely lock execution assemblies, then the connection reliability improves, but the ease of assembly and disassembly may be compromised
Solution Approach 1:
The limiting member is designed to be movable rather than fixed, allowing it to transition between locked and unlocked positions. This dynamic design enables the connection to be secure during operation (when locked) while remaining easily changeable when needed (when unlocked), resolving the contradiction between connection reliability and assembly ease by making the system adaptable to different operational states
Data Source
AI summary
A polishing machine includes a housing, a motor, a main shaft rotatable about a first axis, a first execution assembly for connecting to a first accessory, wherein the first execution assembly includes a first rotation member and a first output, the first rotation member is configured for connecting to the main shaft and is movable about the first axis under driving of the main shaft in response to connecting to the main shaft, the first output member includes a first driving portion for connecting to the first accessory and is rotatable relative to the first rotation member about a second axis, and a limiting member movable between a first position at which the first rotation member is prevented from moving relative to the main shaft and a second position at which the first rotation member is allowed to move relative to the main shaft.