Coolant Sub-Tank Filtration for Machine Tool Chip Removal
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Solution Overview
Problem
Conventional machine tools require large and complex removal structures for chips and scraps in coolant tanks, which occupy space and complicate maintenance, especially with heavy magnetic separators and protruding devices that hinder size reduction and ease of operation.
Innovation Solution
A machine tool with a sub-tank surrounding the coolant tank's discharge window, incorporating a magnetic separator and a filtering plate to remove machining chips from the coolant, allowing for efficient chip collection and reducing the risk of pump clogging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional removal structures (magnetic separators, attracting disk devices) are used in coolant tanks, then chips and scraps can be removed from coolant, but the device complexity and space occupation increase significantly
Solution Approach 1:
The invention divides the coolant tank into two separate tanks: a first coolant tank for accumulation and a second coolant tank for filtration. The chip removal function is segmented into distinct components (filtering device with magnetic separator and screen) located in the second tank, while the first tank maintains a simple accumulation structure. This segmentation resolves the contradiction by isolating the complex removal functionality from the main coolant storage, achieving effective chip removal without complicating the overall tank structure.
2Reliability
If large magnetic separators and protruding devices are installed in coolant tanks, then chip removal capability is improved, but the machine tool size increases and maintenance becomes difficult
Solution Approach 1:
The invention extracts the complex chip removal function (magnetic separator and screen filter) from the main coolant tank and places it in a separate second coolant tank. This extraction allows the magnetic separator to be accessed and maintained independently without draining or disassembling the main first coolant tank, significantly improving maintenance ease while preserving full chip removal capability in the separated filtration system.
3Reliability
If conventional removal structures are installed in coolant tanks, then chips can be removed from coolant, but the occupied space increases and machine tool size reduction is inhibited
Solution Approach 1:
The invention implements a nested configuration where the chip conveyor is incorporated into the first coolant tank, and the second coolant tank with filtration devices is positioned to utilize the space efficiently. The filtering device components (magnetic separator, screen) are arranged compactly within the second tank, which is itself integrated into the overall machine structure. This nesting approach achieves effective chip removal functionality while minimizing the total volume occupied by coolant systems.
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 sub-tank configuration effectively attracts and collects machining chips using a magnetic separator, preventing pump clogging and simplifying maintenance, while maintaining a compact machine tool design.
Implementation Method 1
a magnetic separator made of a magnet is accommodated in the sub-tank
Data Source
AI summary
A machine tool including a machining device configured to perform machining on a workpiece in a machining chamber, a chip conveyor including a reservoir tank into which machining chips generated by workpiece machining in the machining device flow, together with a coolant, the chip conveyor being configured to discharge the machining chips to an outside of the machine tool, a coolant tank in which the chip conveyor is incorporated, the coolant tank being configured to accumulate the coolant flowing out of the reservoir tank, a sub-tank provided to surround an outer side of a discharge window for the coolant, the discharge window being formed on a side surface of the reservoir tank, and a machining chip removal section in which a magnetic separator made of a magnet is accommodated in the sub-tank and an opening portion configured to filter the coolant is provided around the magnetic separator.