Metal-cutting machine tool chip liquid coarse-fine double-layer outer filtering system

Abstract

The invention discloses a metal-cutting machine tool chip liquid coarse-fine double-layer outer filtering system which comprises a filtering machine. A coarse filtering chamber with an upward openingis arranged in the filtering machine; a filter screen with macropores is arranged in the coarse filtering chamber; a piston chamber with a rightward opening is arranged in the left end wall of the coarse filtering chamber; a piston and a reset spring capable of resetting the piston are arranged in the piston chamber; an impurity discharging pipeline communicating with an outside space is arrangedon the lower end wall of the piston chamber; a pushing mechanism capable of cutting off the coarse filtering chamber is arranged in the right end wall of the coarse filtering chamber; and a fine filtering mechanism is further arranged in the lower end wall of the coarse filtering chamber. The device is simple in structure and convenient to operate; the device can take and use a cutting fluid afterfine filtering or coarse filtering at will, so that the demand on the cutting fluid is guaranteed; through mechanical transmission, the speed of fine filtering is accelerated, and the filtering quality is improved; and through automatic operation, impurities on the filter screen are taken out, so that coarse filtering is ensured to be carried out normally, and the filtering efficiency is furtherimproved.

Description

technical field [0001] The invention relates to the field of filtration, in particular to a coarse and fine double-layer external filtration system for cutting fluid of a metal cutting machine tool. Background technique [0002] When metal cutting, cutting fluid is usually needed to ensure normal and stable cutting work, and the used cutting fluid will inevitably be mixed with impurities such as metal debris, which will affect the re-use of cutting fluid. In some places where cutting fluid is used, it will affect the cutting The presence of small particles of impurities in the fluid will not be greatly affected during work, and some places where cutting fluid is used have higher requirements for the purity of the cutting fluid; [0003] At this stage, when the used cutting fluid is filtered and reused, different machine production operations are required for cutting fluids with different filtration levels, which greatly increases the processing cost of cutting fluids, and be...

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a coarse and fine double-layer external filter system for cutting fluid of metal cutting machine tools, which can overcome the problems of low work efficiency and improve work efficiency

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