Portable Metal Plate Polishing With Anti-Ejection Roller Safety
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Solution Overview
Problem
Existing polishing machines are large, bulky, and immobile, making them inconvenient for use in scenarios requiring frequent movement, such as home or individual studios, and lack safety features to prevent accidental ejection of metal plates during polishing.
Innovation Solution
A compact, lightweight metal plate polishing machine with a conveyor belt, manual height adjustment, press rollers with overrun clutches, and pressure sensors for safety, along with a control method to ensure the overrun clutch remains functional, reducing the risk of metal plate ejection and enhancing user safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If traditional polishing machines are used, then polishing function is achieved, but the machine is heavy and bulky making it inconvenient for transportation
Solution Approach 1:
The polishing machine is divided into modular components: a work base with conveyor belt, a separate polishing assembly with roller and motor, and a control box. This segmentation allows each component to be optimized independently and facilitates easy assembly/disassembly for transportation while maintaining complete polishing functionality.
Solution Approach 2:
The polishing roller is positioned above the conveyor belt in a vertical arrangement, changing from traditional horizontal configurations. This vertical dimension optimization reduces the machine's footprint and allows compact storage without compromising polishing effectiveness.
2Ease of operation
If traditional polishing machines are used, then polishing function is achieved, but the machine cannot be moved at random and is fixedly installed
Solution Approach 1:
The machine transitions from a fixed installation design to a dynamic, mobile configuration with wheels on the work base. The conveyor belt system and polishing roller are designed to operate while the entire unit can be relocated, providing operational flexibility without excessive structural complexity.
Solution Approach 2:
The machine integrates multiple functions into a single portable unit: conveyance of metal plates, polishing operation, and control functions all within one movable system. This multi-functionality eliminates the need for complex fixed installations while maintaining comprehensive polishing capabilities.
3Reliability
If polishing is performed without safety features, then simple structure is maintained, but metal plate ejection causes safety hazards
Solution Approach 1:
The overrun clutch is pre-installed in the polishing roller to prevent metal plate ejection before it can occur. This preliminary safety mechanism engages automatically when abnormal forces are detected, stopping the roller rotation to prevent plate ejection without requiring complex control systems.
Solution Approach 2:
The overrun clutch acts as an intermediary safety device between the motor and the polishing roller. It mediates the power transmission, allowing normal operation while blocking abnormal reverse forces that could cause plate ejection, thus protecting operators without complicating the overall machine structure.
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
The machine's compact design facilitates easy transportation, while the overrun clutch and pressure sensors effectively prevent high-speed ejection of metal plates, ensuring operator safety and reducing damage to people and objects.
Implementation Method 1
the lifting mechanism comprises a lead screw, a lead screw nut and a hand wheel, the lead screw is installed on the chassis in a vertical direction, the lead screw nut is in threaded transmission with the lead screw
Implementation Method 2
an end of the movable piece is provided with a tooth matched with the inverted tooth groove, the inner barrel is provided with a tension spring at a position corresponding to each movable piece, one end of the tension spring is fixed to the inner barrel, the other end of the tension spring is connected with the movable piece, and the movable piece is disengaged from the inverted tooth groove under the action of a tensile force of the tension spring or rotated outward when a centrifugal force is larger than the tensile force of the tension spring
Implementation Method 3
The metal plate can be compacted on the conveyor belt through the two press rollers, increasing friction between the metal plate and the conveyor belt
Data Source
AI summary
The present invention discloses a metal plate polishing machine and a control method therefor. The metal plate polishing machine comprises a work base, the work base is provided with a conveyor belt, a feed motor for driving the conveyor belt, a polishing roller located above the conveyor belt, a main motor for driving the polishing roller, a lifting mechanism for driving the polishing roller to move up and down, and a chassis with a controller inside, the feed motor and the main motor are electrically connected with the controller respectively, the conveyor belt is arranged at a front position of the work base, the feed motor is arranged behind the conveyor belt and is in transmission connection with a drive shaft on a feed end of the conveyor belt, the main motor is located behind the conveyor belt and is in transmission connection with the polishing roller.