Cutting Fluid Filtration Layout With Annular Sludge Circulation
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Solution Overview
Problem
Existing cutting fluid circulation devices are complex and costly due to the need for multiple pumps and reservoirs, leading to increased maintenance and operational expenses while still risking sludge retention and accumulation.
Innovation Solution
A cutting fluid circulation device with a simple configuration utilizing a single pumping-up pump, a drum filter, and an annular flow channel, where the filtered cutting fluid is circulated and reused, with assist nozzles and straightening vanes to prevent sludge accumulation, and a secondary filter for further purification, allowing for simultaneous cleaning and filtration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple pumps and reservoirs are used to ensure cutting fluid circulation and filtration, then filtration performance is improved, but device complexity and cost increase
Solution Approach 1:
The patent combines multiple functions into a single integrated tank reservoir structure. The tank reservoir simultaneously serves as the collection reservoir for discharged cutting fluid and as the circulation reservoir for filtered cutting fluid, eliminating the need for separate reservoirs. The annular flow channel is integrated within the tank reservoir to provide both circulation flow and cleaning flow paths, reducing the number of separate components while maintaining effective filtration performance.
Solution Approach 2:
The single pump in the patent performs multiple functions: it pumps cutting fluid from the collection reservoir through the drum filter, provides cleaning flow to the drum filter surface, and maintains circulation in the annular flow channel. This multi-functional pump design eliminates the need for multiple specialized pumps, reducing device complexity while ensuring reliable filtration and circulation.
2Reliability
If multiple pumps are used for cleaning drum filter and forming flow in reservoir, then filtration effectiveness is improved, but operational cost increases
Solution Approach 1:
The patent merges the cleaning function and circulation function into a single pump system. The pump provides a unified flow that simultaneously cleans the drum filter surface and maintains circulation in the annular flow channel, reducing energy consumption compared to having separate pumps for each function while maintaining effective filtration.
Solution Approach 2:
The single pump is designed to perform multiple operations: filtering cutting fluid through the drum filter, cleaning the drum filter surface, and maintaining circulation flow. This multi-functional approach reduces the number of pumps from three or five to just one, significantly lowering operational costs while maintaining filtration effectiveness.
3Object-generated harmful factors
If U-shaped reservoir with agitating nozzle bodies is used, then sludge deposition is suppressed, but device complexity and pump requirements increase
Solution Approach 1:
The patent employs an annular (circular) flow channel design within the tank reservoir, which creates continuous rotational flow patterns. This curved flow path naturally prevents sludge deposition by maintaining constant motion of the cutting fluid, eliminating the need for additional agitating nozzle bodies while effectively suppressing harmful sludge accumulation.
4Reliability
If five pumps are disposed for various functions, then cleaning and filtration are thorough, but cost increases inevitably
Solution Approach 1:
The patent consolidates five separate pump functions into a single integrated pump system. The pump simultaneously handles collection reservoir drainage, drum filter filtration, drum filter cleaning, and annular flow channel circulation, dramatically reducing manufacturing costs while maintaining thorough cleaning and filtration through coordinated multi-functional operation.
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 solution reduces costs by simplifying the configuration, maintains effective sludge collection performance, and extends the service life of filters and the spindle rotary joint unit by minimizing maintenance and preventing sludge retention.
Implementation Method 1
The drum filter performs as a primary filter that filters cutting fluid
Implementation Method 2
The pump pumps up cutting fluid in the tank reservoir
Data Source
AI summary
A cutting fluid circulation device includes a tank reservoir, a drum filter, and a pump. The tank reservoir stores cutting fluid discharged from a machine tool. The drum filter is disposed in the tank reservoir. The drum filter performs as a primary filter that filters cutting fluid. The pump pumps up cutting fluid in the tank reservoir. An annular flow channel in which the cutting fluid filtered by the drum filter circulates is formed in the tank reservoir. A part of the cutting fluid pumped up by the pump is fed to the drum filter, used for cleaning the drum filter, and then returned to the annular flow channel, and a part of the remaining cutting fluid is fed to a secondary filter disposed outside the tank reservoir, filtered by the secondary filter, and then returned to the annular flow channel.