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WO2017086494A1 - Dispositif de nettoyage d'eau de lavage de machine-outils - Google Patents

Dispositif de nettoyage d'eau de lavage de machine-outils Download PDF

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Publication number
WO2017086494A1
WO2017086494A1 PCT/KR2015/012319 KR2015012319W WO2017086494A1 WO 2017086494 A1 WO2017086494 A1 WO 2017086494A1 KR 2015012319 W KR2015012319 W KR 2015012319W WO 2017086494 A1 WO2017086494 A1 WO 2017086494A1
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WIPO (PCT)
Prior art keywords
washing water
guide member
machine tool
wash water
inner guide
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Ceased
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PCT/KR2015/012319
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English (en)
Korean (ko)
Inventor
김홍노
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Individual
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Individual
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Priority to PCT/KR2015/012319 priority Critical patent/WO2017086494A1/fr
Publication of WO2017086494A1 publication Critical patent/WO2017086494A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work

Definitions

  • the present invention relates to a washing water cleaning device of a machine tool, and more particularly, by removing impurities such as oil or sludge contained in the washing water used for processing a machine tool such as a washing machine or a grinding machine, so that the clean washing water can be reused.
  • the present invention relates to a washing water cleaning apparatus of a machine tool, which can reduce wastewater treatment cost and prevent contamination of a workpiece due to accumulation of impurities.
  • a process of spraying fluids such as washing water, abrasive oil, and cutting oil (hereinafter referred to as 'washing water') in order to perform cooling, lubrication, and cleaning of a machining part is performed. While the process is performed, impurities such as oil or sludge are mixed in the wash water, and thus, in order to reuse the wash water, a washing water cleaning device for effectively removing the impurities and resupplying them to the machine tool is required.
  • Korean Utility Model Registration No. 20-0249707 discloses a technical description of a belt oil skimmer configured to reuse waste coolant by removing waste oil from coolant liquid waste oil used in a cutting process. Is shown.
  • the belt oil skimmer may move waste oil introduced into a storage tank to a separation tank using a belt, and then separate the waste oil by the difference in the specific gravity of the coolant liquid and the waste oil, and then reuse the purified coolant liquid in the production of the product. It is configured to be.
  • the belt oil skimmer is configured to remove waste oil from the waste oil suspended in the storage tank by separating the waste oil sucked on the belt with a scraper and transporting it to the separation tank, but it is used in the cutting process and then stored in the storage tank. Since waste oil contained in the coolant liquid stored is applied to the surface by simply varying the specific gravity, there is a limit to quickly injuring and collecting impurities such as sludge including waste oil contained in the coolant liquid. There is a disadvantage in that the collection efficiency of relatively large sludge is low.
  • the anti-corrosion treatment system of water-soluble cutting oil disclosed in Patent Publication No. 10-2013-0102385
  • a cutting oil storage tank for receiving and storing a water-soluble cutting oil used for metal processing
  • the cutting oil storage Floating separator is supplied to the coolant transferred from the tank to float the floating material to float to the surface of the cutting oil using fine bubbles and separated and removed, and bubble generator for generating the bubble water supplied from the floating separator Included configuration is shown.
  • the generation of fine bubbles in the process of passing through the micro-bubble generating tube configured to repeat the increase and decrease of the cross-sectional area of the flow path of the cutting oil fed by the processing liquid supply pump It is configured to facilitate, but this configuration alone has a disadvantage in that there is a limit to ultra-fine microbubbles in units of several micrometers. Therefore, the anti-corruption treatment system of the water-soluble cutting oil is configured separately from the flotation separator and the cutting oil storage tank to supply fine bubbles to the flotation separator and the cutting oil storage tank, respectively, to separate and remove the impurities, and to remove the cutting oil from which the impurities are removed.
  • the present invention has been made to solve the above problems, by completely removing the impurities contained in the wash water used for lubrication and cleaning during machining of the machine tool to be reused after reducing the waste water treatment cost and accumulation of impurities It is an object of the present invention to provide a cleaning device for cleaning water of a machine tool, which can prevent contamination of a workpiece.
  • washing water cleaning apparatus of the machine tool of the present invention for realizing the object as described above, in the wash water cleaning device of the machine tool for reuse of the wash water by removing impurities contained in the wash water used in the machining operation using the machine tool Is provided on one side of the machine tool 10, the washing water used for the machining operation using the machine tool 10 is introduced into and stored, the septic tank 20 to remove the impurities contained in the washing water to discharge the purified washing water ;
  • a washing water circulation unit 30 which sucks the washing water stored in the septic tank 20 to the outside of the septic tank 20 and then circulates and supplies the purified water into the septic tank 20;
  • a microbubble generating device (40) provided inside the septic tank (20) to generate and supply microbubbles to the washing water introduced through the washing water circulation unit (30) to promptly raise the microbubbles and the aggregated impurities;
  • a skimmer (60) for transferring impurities suspended in an upper portion of the washing water to an impur
  • a flow path is connected from the inlet 12 through which the washing water containing impurities flows into the outlet 81 through which the washing water from which impurities are removed is discharged.
  • the plurality of partitions 21, 22, and 23 are provided at the inlet 12, and an upper end thereof is disposed on the surface of the washing water, and a lower end thereof is spaced apart from the bottom surface of the septic tank 20 by the first passage 21a.
  • the second partition 22 fixed to the bottom surface of the 20, and the second partition 22 is spaced apart by a predetermined interval provided on the outlet 81 side, the upper end is located on the surface of the wash water, the lower end of the septic tank (
  • the third partition 23 may be spaced apart from the bottom of the bottom surface 20 to form the third passage 23a.
  • the washing water circulation unit 30 sucks the washing water stored in the second compartment 25 provided between the first partition wall 21 and the second partition wall 22, and the first partition wall 21 and the septic tank ( Inflow into the first compartment 24 provided between the inlet 12 side wall of the 20, the micro-bubble generating device 40 may be provided on the inner lower portion of the first compartment (24).
  • the skimmer 60 includes a scraper 69 which is rotated in an orbit by the power of the driving motor 61 to transfer impurities suspended in the upper portion of the washing water to the impurity collecting part 70.
  • the scraper 69 moves along the lengthwise direction of the plurality of partitions 21, 22, and 23, and the scraper 69 overlaps the upper end of the first partition wall 21 and the upper end of the third partition wall 23.
  • the cutout 69a may be formed to prevent interference during the movement in the closed state.
  • the micro-bubble generating device 40 the inlet 100, the washing water is introduced, the washing water mixed with the gas is circulated inflow;
  • a fine bubble generator 200 generating gas by spraying gas on the washing water flowing through the inlet part 100;
  • a discharge part 300 connected to the rear end of the micro bubble generator 200 to discharge the washing water including the micro bubbles;
  • a gas supply unit 400 supplying gas to the washing water passing through the microbubble generating unit 200;
  • a fluid circulation part 500 for circulating a part of the washing water passing through the discharge side of the microbubble generating part 200 toward the inlet part 100.
  • the microbubble generating unit 200 a gas inlet hole 213 through which the gas supplied from the gas supply unit 400 is introduced, and a fluid into which the wash water passing through the discharge side of the microbubble generating unit 200 is introduced.
  • Outer guide members 210, 220 and 230 having circulation inlet holes 233 and radially spaced radially inside the outer guide members 210, 220 and 230, and inner guides having a fluid discharge hole 242 and a fluid inlet hole 253 formed therein.
  • the inner diameter d3 of the inner guide member which is formed of the members 240, 250, and 260, is formed larger than the inner diameter d1 of the inflow portion 100, and passes through the inner guide member located at the rear portion.
  • the fluid circulates through the fluid inlet hole 253 formed in the inner guide member located in the rear part due to the pressure difference between the pressure P2 of the washing water and the pressure P1 of the washing water passing through the inlet 100. Washing flow into the part 500 It may be configured to be supplied via the circulation fluid circulation outlet port 140 formed in the inlet portion 100.
  • the outer guide members 210, 220, and 230 are connected to the rear end of the inlet part 100, and are connected to the first outer guide member 210 having the gas inlet hole 213 and the rear end of the first outer guide member 210.
  • the third outer guide member 230 is connected between the second outer guide member 220 and the rear end of the second outer guide member 220 and the discharge part 300 and the fluid circulation inlet hole 233 is formed.
  • a second inner guide member 250 having an inner diameter d3 larger than an inner diameter d2, and having a fluid inlet hole 253, and a third inner diameter d3 identical to the second inner guide member 250. It is made of an inner guide member 260, the inner side of the first outer guide member 210, the first inner side
  • the guide member 240, the second inner guide member 250, and the plurality of third inner guide members 260 are sequentially connected to each other, and the first inner guide is formed inside the second outer guide member 220.
  • the member 240, the third inner guide member 260, the second inner guide member 250, and the third inner guide member 260 are sequentially connected to each other to form the third outer guide member 230. Inside, the first inner guide member 240 and the plurality of second inner guide members 250 may be sequentially connected.
  • the fluid circulation part 500 includes a fluid circulation pipe 510, a first connection pipe 520 connecting one end of the fluid circulation pipe 510 and the fluid circulation inlet hole 233, and the fluid circulation.
  • the second end of the pipe 510 and the fluid circulation outlet 140 is connected to the second connecting pipe 530, the fluid circulation 500 is the inlet 100 and the microbubble generating unit 200
  • the outer circumference of the spaced apart at regular intervals may be provided in plurality.
  • a plurality of vortex forming protrusions 252 and 262 protruding toward the central axis C direction at predetermined intervals along the circumferential direction. Can be formed.
  • Spaces S1 and S2 provided between the outer surfaces of the inner guide members 240, 250 and 260, and the inner circumferential surfaces of the first outer guide member 210, the second outer guide member 220, and the third outer guide member 230. S3) may be configured to be isolated from each other.
  • the microbubble generating device for generating and supplying microbubbles to a septic tank in which the washing water used in the machining operation of the machine tool is stored, is attached to the microbubbles on the upper part of the septic tank. It is equipped with a skimmer that collects and transports the floating impurities to the impurity collecting part, and a washing water feeding part which is pumped to the machine tool for reuse of the washed water from which the impurities are removed, so that impurities can be removed as much as possible within a short time. It is possible to improve the purification treatment efficiency, reduce the waste water treatment cost, and prevent contamination of the workpiece due to the accumulation of impurities.
  • a flow path connected from the inlet to which the washing water containing impurities is introduced to the outlet of the washing water from which the impurities have been removed is partitioned by a plurality of partitions so that the downward flow and the upward flow of the washing water alternately.
  • the impurities contained in the washing water are floated and collected before reaching the discharge port, thereby effectively collecting the impurities.
  • the washing water passing through the microbubble generating device is configured to be discharged through the water activator built in the ceramic ball, further facilitating the miniaturization of bubbles, and the sterilization and deodorization effect of the washing water by the active action between the ceramic ball and the washing water. Can be obtained.
  • FIG. 1 is a front side perspective view of a washing water cleaning apparatus of a machine tool according to the present invention
  • FIG. 2 is a rear side perspective view of the washing water cleaning apparatus of the machine tool according to the present invention.
  • FIG. 3 is a system diagram of a washing water cleaning device for a machine tool according to the present invention.
  • FIG. 4 is a schematic plan view of the washing water cleaning apparatus of the machine tool according to the present invention.
  • FIG. 5 is a front schematic view of a washing water cleaning apparatus of a machine tool according to the present invention.
  • FIG. 6 is a side schematic view of a washing water cleaning apparatus of a machine tool according to the present invention.
  • FIG. 7 is a cross-sectional view of the microbubble generating device and the water activator
  • Washing water cleaning apparatus of a machine tool for the practice of the present invention in the wash water cleaning apparatus of the machine tool for reuse of the wash water by removing impurities contained in the wash water used in the machining operation using the machine tool, machine tool (10)
  • a septic tank 20 provided at one side of the rinsing water used for processing operations using the machine tool 10 and stored therein for discharging impurities contained in the rinsing water to discharge purified water
  • a washing water circulation unit 30 which sucks the washing water stored in the septic tank 20 to the outside of the septic tank 20 and then circulates and supplies the purified water into the septic tank 20;
  • a microbubble generating device (40) provided inside the septic tank (20) to generate and supply microbubbles to the washing water introduced through the washing water circulation unit (30) to promptly raise the microbubbles and the aggregated impurities;
  • a skimmer (60) for transferring impurities suspended in an upper portion of the washing water to an impurity collecting
  • the washing water cleaning apparatus of the machine tool according to the present invention impurities, such as oil or sludge contained in the washing water used for cooling, lubrication and cleaning during the machining operation using the machine tool 10
  • the purification tank 20 and the purification tank 20 are provided on one side of the machine tool 10 to remove and purify after separating and removing the purified water.
  • the washing water circulating unit 30, which sucks the washing water stored in the outside of the septic tank 20 and circulates the septic tank 20, supplies the circulating water to the inside of the septic tank 20, and is provided inside the septic tank 20 to wash the water circulating unit 30.
  • Microbubble generating device 40 for generating and supplying microbubbles to the washing water flowing through the, and to convey the impurities agglomerated and agglomerated by the microbubbles to the impurity collecting unit 70 provided on one side of the septic tank 20It comprises a skimmer 60, and the washing water pumping unit 80 for pumping the washing water from which impurities are removed to be reused in the machining operation using the machine tool 10.
  • a water activator 50 with a plurality of ceramic balls 53 may be connected to the discharge side of the microbubble generating device 40, and for controlling the overall operation of the system for purifying washing water. And a control unit 90.
  • the machine tool 10 may be composed of various types of devices, such as lathes, milling machines, machining centers for performing parts processing, mold processing, grinding, etc., one side of the machine tool 10 is used for washing water
  • the washing water inlet 11 may be discharged from the object to be processed and mixed into the wash water, and impurities such as sludge such as sludge such as cutting powder (hereinafter referred to as 'impurity') are discharged to the one side of the septic tank 20 during processing.
  • impurities such as sludge such as sludge such as cutting powder (hereinafter referred to as 'impurity') are discharged to the one side of the septic tank 20 during processing.
  • the bottom surface of the washing water inlet 11 is composed of an inclined surface 12 so that the washing water smoothly flows into the septic tank 20 side.
  • the septic tank 20 is formed on one side of the washing water inlet 11 into which the washing water containing impurities is introduced, and the washing water outlet 81 on which the purified water is discharged by removing the impurities is formed on the other side, and the upper portion of the washing tank 20 is opened. And a storage space for accommodating the washing water is provided therein.
  • a flow path is connected to the outlet 81 through which the washing water from which impurities are removed is discharged from the inlet 12 through which the washing water including impurities is introduced, and the downward flow and the upward flow of the washing water alternately.
  • the partitions are partitioned by a plurality of partitions 21, 22, 23.
  • the plurality of partitions 21, 22, and 23 may be spaced apart from the washing water inlet 11 side of the septic tank 20 toward the washing water outlet 81 at predetermined intervals.
  • the second partition 22 and the third partition 23 Accordingly, the first compartment 24 is provided between the wall surface of the washing water inlet 11 side of the septic tank 20 and the first partition wall 21, and a second partition wall is disposed between the first partition wall 21 and the second partition wall 22.
  • a compartment 25 is provided, and a third compartment 26 is provided between the second partition 22 and the third partition 23, and the washing water outlet 81 of the third partition 23 and the septic tank 20 is provided.
  • the fourth compartment 27 is provided between the side wall surfaces.
  • an upper end of the first partition wall 21 is positioned on the surface of the washing water, and a lower end of the first partition wall 21 is spaced apart from the bottom of the septic tank 20 to the upper side so as to be the bottom surface of the septic tank 20.
  • a first passage 21a is formed between the lower end of the first partition wall 21, the upper end of the second partition wall 22 is located below the surface of the washing water, and the lower end of the second partition wall 22 is a septic tank 20.
  • the second passage 22a is formed between the top of the second partition 22 and the surface of the second partition 22, and the upper end of the third partition 23 is positioned on the surface of the wash water, and the third partition 23
  • the lower end of the) is spaced apart from the bottom of the septic tank 20 to the upper side is formed with a third passage (23a) between the bottom surface of the septic tank 20 and the lower end of the third partition wall (23).
  • the washing water flowing into the first compartment 24 through the washing water inlet 11 from the machine tool 10 flows downwardly and passes through the first passage 21a to the lower portion of the second compartment 25.
  • the washing water circulation unit 30 includes a first circulation pipe 31 providing a passage through which the washing water stored in the second compartment 25 is discharged to the outside of the septic tank 20, and the first circulation pipe 31.
  • Inlet side is connected to the circulation pump 32 for providing a pressure force for the circulation of the washing water, the outlet side of the circulation pump 32 and the microbubble provided in the first compartment 24 of the septic tank 20
  • the second circulation pipe 33 is connected to the inlet portion 100 of the generator 40.
  • the micro-bubble generating device 40 is provided in the inner lower portion of the first compartment 24 of the septic tank 20, the air introduced through the air supply pipe 410 to the washing water flowing through the washing water circulation unit 30. Supply a function to dissolve a large amount of micro bubbles in the wash water. Specific configuration and operation of the embodiment of the micro-bubble generating device 40 will be described later.
  • the water activator 50 connected to the discharge side of the microbubble generating device 40 includes a housing 51 having a plurality of through holes 52 and the housing 51. It is configured to include a plurality of ceramic balls (53) embedded in the).
  • the microbubbles generated while passing through the microbubble generating device 40 pass through the ceramic balls 53 provided in the water activating device 50, and thus miniaturization of the bubbles due to collision and switching of the flow path in multiple directions.
  • the ceramic ball 53 may be further promoted and reacts with the washing water to generate an active action, thereby obtaining the disinfecting and deodorizing effect of the washing water.
  • the microbubbles discharged from the microbubble generating device 40 and the water activator 50 into the first compartment 24 provided in the first compartment 24 of the septic tank 20 are floated due to the specific gravity lower than the washing water.
  • the impurity attached to the microbubbles floats on the surface of the wash water and floats in the aggregated state because it lowers the specific gravity of the impurity by colliding with and attaching the impurity contained in the wash water.
  • the impurity flowing into the second compartment 25 after passing through the first passage 21a without being injured in the first compartment 24 may be located in the first compartment 25. 31) is passed through the second circulation pipe 33 by the pressure of the circulation pump 32 is introduced again into the micro-bubble generating device 40.
  • the remaining impurities introduced into the second compartment 25 without being sucked into the washing water circulation part 30 float to the upper portion of the second compartment 25 together with the microbubbles.
  • the first compartment 24 and the second compartment 25 function as a detonation / injury tank that aggregates and floats impurities by supplying microbubbles.
  • the microbubble floats on the surface due to the difference in specific gravity and disappears through the third compartment 26 and the fourth compartment 27 and the washing water containing the microbubbles flows.
  • the washing water in the removed state is discharged through the washing water outlet 81 to be supplied to the machine tool 10.
  • the third compartment 26 and the fourth compartment 27 function as a defoaming tank for discharging the bubbles dissolved in the washing water and discharging the high concentration of the washing water.
  • the skimmer 60 is installed on the upper side of the septic tank 20 to remove impurities floating on the surface of the washing water and to transfer them to the impurity collecting part 70 provided on one side of the septic tank 20, and a driving motor.
  • the drive sprocket 61 and the drive motor 61 are rotated by receiving power from the first chain 62 and the auxiliary sprocket 63 and coupled to both ends of the drive shaft 64 at an upper side of the septic tank 20.
  • driven sprocket (67) connected to the drive sprocket (65) and the second chain (68) is rotated by receiving power and coupled to both ends of the driven shaft (66) on the other side of the upper side of the septic tank (20).
  • a scraper 69 coupled to the second chain 68 to rotate integrally with the second chain 68 and to remove impurities floating on the surface of the washing water. Therefore, when the driving force of the drive motor 61 is transmitted to the drive sprocket 65 through the first chain 62, the scraper 69 connected to the drive sprocket 65 and the driven sprocket 67 is rotated in an endless track shape. The impurities suspended in the surface of the washing water are moved to the impurity collecting part 70 side.
  • Unexplained symbol 'C' represents a protective cover that covers the upper portion of the first chain 62 and the second chain (68).
  • the scraper 69 is provided to move along the longitudinal direction of the first to third partitions 21, 22, and 23, and the scraper 69 includes an upper end and a third partition wall of the first partition wall 21.
  • An incision 69a is formed to prevent interference during movement in the state overlapped with the upper end of 23). Therefore, since the upper end of the first partition wall 21 and the third partition wall 23 are inserted in the form of the cutout 69a formed on the scraper 69, the impurity can be perfectly collected.
  • the upper side of the septic tank 20 is configured to guide the impurities floating on the surface of the wash water to be guided to be collected within the rotation radius range of the scraper 69, septic tank 20 Guide plate 28 having a predetermined length and inclined downward in the direction toward the center of the septic tank 20 at the upper end of one side edge may be provided.
  • the impurity collecting unit 70 is provided on one side of the upper side of the septic tank 20 on the side where the driven sprocket 67 is located, and the impurity collecting 71 collecting the impurities transferred by the scraper 69 and the impurities
  • An impurity discharge tube 72 connected to the lower part of the collection box 71 to provide an impurity discharge passage, and a discharge pump (not shown) for smooth discharge of the impurity may be installed in the pipeline of the impurity discharge tube 72. Can be.
  • the washing water pumping unit 80 is connected to the upper one side of the fourth compartment 27 of the septic tank 20, as shown in FIG. 2, and the washing water outlet 81 to discharge the washing water from which impurities are removed, and A washing water pumping pipe 82 extending from the washing water outlet 81 to the machine tool 10 and pumping the washing water, a pumping pump 83 installed on the conduit of the washing water pumping tube 82 to pump the washing water, and the washing water; It is provided at the end of the pressure pipe (82) includes a nozzle (84) for spraying the washing water toward the machining site during the machining operation using the machine tool (10).
  • microbubble generating device 40 provided in the washing water cleaning apparatus of the machine tool of the present invention will be described with reference to FIGS. 7 and 8.
  • the washing water flows through the inlet 100 and the inlet 100, the washing water is circulated and supplied with the washing water mixed with microbubbles
  • the gas is injected to the microbubble generating unit 200 to generate microbubbles by the impact, and the discharge unit 300 is connected to the rear end of the microbubble generating unit 200 to discharge the washing water containing the microbubbles and
  • the gas supply unit 400 for supplying gas to the washing water passing through the microbubble generating unit 200, and the part of the washing water passing through the discharge side of the microbubble generating unit 200 toward the inlet unit 100. It is configured to include a fluid circulation unit 500 for circulating.
  • the washing water introduced through the inlet 100 passes through the microbubble generating unit 200 and collides with the gas that is supplied and injected from the gas supply unit 400.
  • microbubbles are generated, a portion of the washing water passing through the microbubble generating unit 200 and including the generated microbubbles is discharged through the discharge unit 300, and the remaining washing water is the fluid circulation pipe 500.
  • the gas is circulated and supplied to the inlet part 100 to be configured to improve the generation efficiency of the micro bubbles while passing through the micro bubble generator 200 again.
  • the inlet 100 is composed of a cylindrical body portion 110, the interior of which is opened in the longitudinal direction, the inlet port (33) is connected to the front end of the body portion 110, the second circulation pipe 33 is supplied with washing water ( 120 is formed, and an outlet 130 is formed at the rear end of the body 110 to discharge the fluid mixed with the washing water and the microbubbles to the microbubble generator 200.
  • the body portion 110 has a fluid circulation outlet 140 penetrating the inner circumferential surface from the outer circumferential surface is formed in four places at equal intervals along the circumferential direction.
  • the fluid circulation outlet 140 serves to provide a flow path so that the fluid circulated through the fluid circulation part 500 is injected into the inlet part 100, and has a central axis C along the discharge direction of the fluid. It is formed to be inclined in the direction toward the surface and is also formed to be inclined at a predetermined angle with the tangential direction. Therefore, the mixed fluid of the washing water and the gas injected through the fluid circulation outlet 140 collides with the washing water introduced through the inlet 100 to crush the gas contained in the washing water to promote the generation of microbubbles. have.
  • the inner diameter d2 of the body portion 110 at which the outlet 130 is located is located at the inner diameter d1 of the body portion 110 in a region from the rear end of the inlet 120 to the tip of the outlet 130. It is relatively large in comparison. Therefore, in the outlet 130 formed to have a relatively large inner diameter d2, collision and mixing between the washing water introduced through the inlet 120 and the mixed fluid of the washing water and the gas injected through the fluid circulation outlet 140 are prevented. After the bubbles are made fine, they are supplied to the microbubble generating unit 200.
  • the microbubble generating unit 200 is composed of the outer guide member (210, 220, 230) and the inner guide member (240, 250, 260) spaced apart radially inward.
  • the outer guide member (210, 220, 230), the first outer guide member 210 is connected to the rear end of the inlet portion 100 and the gas inlet hole 213 is formed in which the gas supplied from the gas supply unit 400 is introduced;
  • the second outer guide member 220 connected to the rear end of the first outer guide member 210 and the second outer guide member 220 and the discharge unit 300 is connected to the microbubble generating unit 200
  • the fluid passing through the discharge side of the fluid circulation portion 500 is composed of a third outer guide member 230 formed with a fluid circulation inlet hole 233 is introduced.
  • the inner guide members 240, 250, and 260 may have a plurality of first inner guide members 240 having a plurality of fluid discharge holes 242 spaced apart in the circumferential direction, and larger than an inner diameter d2 of the first inner guide members 240.
  • a plurality of vortex forming protrusions 252 and 262 protruding toward the central axis C direction at predetermined intervals along the circumferential direction. Formed.
  • the vortex forming protrusions 252 and 262 formed in the second inner guide member 250 and the third inner guide member 260 induce vortices and turbulence by inducing the flow of the fluid to change in the radial direction, thereby facilitating the refinement of the bubbles.
  • first inner guide member 240 Inside the first outer guide member 210, a first inner guide member 240, a second inner guide member 250, and two third inner guide members 260 are sequentially connected. Inside the second outer guide member 220, a first inner guide member 240, a third inner guide member 260, a second inner guide member 250, and a third inner guide member 260 are provided. Connected in sequence. Inside the third outer guide member 230, the first inner guide member 240 and three second inner guide members 250 are sequentially connected. The first to third outer guide members 210, 220, and 230 and the first to third inner guide members 240, 250, and 260 may be coupled by welding.
  • the outer space of the inner guide member 240, 250, 260 is provided on the inner side of the first outer guide member 210 and the first space S1.
  • the second space S2 provided inside the second outer guide member 220, and the third space S3 provided inside the third outer guide member 230 are the first to third outside sides.
  • the protrusions formed at the ends of the guide members 210, 220, and 230 are spatially separated from each other.
  • the discharge part 300 the inside is made of a cylindrical body portion 310 is opened in the longitudinal direction, the inlet through which the fluid passing through the micro-bubble generating unit 200 is introduced into the front end of the body portion 310 Is formed, the rear end of the body portion 310 is formed with a discharge port 312 for discharging the fluid containing the micro-bubbles.
  • An inner circumferential surface of the body portion 310 is formed with a taper portion 313 whose inner diameter gradually increases along the discharge direction of the fluid. Accordingly, flow resistance of the fluid discharged through the discharge part 300 can be prevented and discharged at a high pressure.
  • the gas supply unit 400 is connected to the gas supply pipe 410 is installed around the gas inlet hole 213 formed on the upper end of the first outer guide member 210, the gas supply hole on the upper end of the gas supply pipe 410 411 has a structure formed through.
  • the gas supply port 411 is thermally connected to the air supply pipe 410 open to the atmosphere. Since the negative pressure lower than atmospheric pressure acts on the inner conduit of the inner guide member 240, 250, 260 of the microbubble generating unit 200, even when the gas supply port 411 is installed in the open state, Gas may be introduced into the conduit of the microbubble generating unit 200 through the gas supply hole 411, the gas inlet hole 213 and the fluid discharge hole 242 by the pressure difference, in the process between the atmospheric pressure and the negative pressure Backflow of the fluid is prevented by the pressure difference.
  • the fluid circulation part 500 may include a fluid connection pipe 510, and a first connection connecting one end of the fluid circulation pipe 510 and a fluid circulation inlet hole 233 formed in the third outer guide member 230.
  • the second connection pipe 530 connects the pipe 520 and the other end of the fluid circulation pipe 510 and the fluid circulation outlet 140 formed at the inlet part 100.
  • the fluid circulation part 500 is provided with a plurality of spaced apart at regular intervals around the outer periphery of the inlet part 100 and the micro-bubble generating part 200, in one embodiment the fluid circulation part 500 is 90 ° It can be provided in four places at intervals.
  • the fluid circulation inlet hole 233 and the fluid circulation outlet 140 correspond to the positions corresponding to the positions of the first connection pipe 520 and the second connection pipe 530 of the fluid circulation part 500. Is formed.
  • the washing water introduced into the inlet part 100 passes through the flow path inside the body part 110, the flow path inside the inner guide members 240, 250, and 260 of the microbubble generating part 200, and the flow path inside the discharge part 300. Will flow.
  • the washing water introduced into the inlet part 100 collides with the gas supplied from the gas supply part 400 while passing through the microbubble generating part 200, and bubbles are crushed by the impact to generate microbubbles. do.
  • the inner diameter d3 of the second inner guide member 250 positioned at the rear portion of the microbubble generating portion 200 is larger than the inner diameter d1 of the inflow portion 100, the inner diameter d3 is positioned at the rear portion.
  • the pressure difference P2-P1 is generated between the pressure P2 of the fluid passing through the second inner guide member 250 and the pressure P1 of the fluid passing through the inlet 100. That is, since the pressure of the fluid flowing along the inside of the pipe is proportional to the size of the cross-sectional area, the pressure P2 at the rear of the microbubble generating unit 200 is greater than the pressure P1 of the inlet 100. .
  • some of the washing water including the microbubble passing through the rear end of the microbubble generating unit 200 is discharged through the discharge unit 300, the remaining washing water to the second inner guide member 250.
  • the washing water introduced into the fluid circulation pipe 510 is circulated and supplied into the inlet part 100 through the second connection pipe 530 and the fluid circulation outlet 140. Therefore, the micro bubbles passing through the micro bubble generator 200 are circulated and supplied to the inlet 100 through the fluid circulation part 500 to be further refined while passing through the micro bubble generator 200 again. Can be.
  • the first inner guide member 240 In the front portion of the micro-bubble generating unit 200, the first inner guide member 240, the second inner guide member 250, and two third inner guide members inside the first outer guide member 210. Since the 260 is sequentially connected in the discharge direction of the fluid, the inner diameter d3 of the second inner guide member 250 is larger than the inner diameter d2 of the first inner guide member 240, and thus, the second inner guide member. Some of the fluid passing through the inside of the second inner guide member 250 by the pressure difference P3-P4 between the pressure P3 inside the pressure P4 inside the first inner guide member 240. Is introduced into the first space S1 through the fluid inlet hole 253 formed in the second inner guide member 250 and then mixed with the gas introduced from the gas supply unit 400 to the first inner guide member 240. It is circulated and supplied through the formed fluid discharge hole 242.
  • washing water passing through the inside of the member 250 is introduced into the second space S2 through the fluid inlet hole 253 formed in the second inner guide member 250 and then formed in the first inner guide member 240. It has a circulation structure that is discharged through the fluid discharge hole 242.
  • the first inner guide member 240 and the three second inner guide members 250 are sequentially disposed in the fluid discharge direction toward the inside of the third outer guide member 230.
  • Some of the washing water passing through the inside of the guide member 250 is introduced into the third space S3 through the fluid inlet hole 253 formed in the second inner guide member 250, and flows into the third space S3.
  • Some of the washed water is circulated and supplied to the fluid circulation part 500, and the remaining wash water is discharged through the fluid discharge hole 242 formed in the first inner guide member 240.
  • the fluid passing through the internal flow path of the microbubble generating unit 200 is circulated and supplied through the fluid circulation unit 500 due to the pressure difference, and passes through the first to third spaces S1, S2, and S3.
  • the length of the flow path through which the washing water passes can be formed on a conduit of a limited volume, and the second inner guide member 250 and the spraying angle of bubbles and washing water are formed in various directions.
  • Vortex and turbulence are promoted by the vortex forming protrusions 252 and 262 formed in the third inner guide member 260 to maximize the miniaturization of bubbles contained in the wash water up to several micrometers.
  • the washing water including the microbubble passing through the microbubble generating device 40 is further refined and activated in the process of passing through the water activator 50 having the plurality of ceramic balls 53 embedded therein as described above. By action, sterilization and deodorization of the washing water is achieved.
  • the cleaning device has been described using the washing water as an example, but the purifying fluid of the present invention can be applied to the purification of various fluids, including abrasive oil used for processing operations using a machine tool in addition to the washing water.
  • the present invention is to reduce the waste water treatment cost and to contaminate the workpiece due to the accumulation of impurities by allowing the clean water to be reused after removing impurities such as oil or sludge contained in the wash water used in the processing of machine tools such as a washing machine or a grinding machine
  • the present invention relates to a washing water cleaning apparatus for a machine tool, which can prevent the damage.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

La présente invention concerne un dispositif de nettoyage d'eau de lavage d'une machine-outil, qui permet qu'une eau de lavage soit réutilisée après élimination complète des impuretés contenues dans l'eau de lavage qui a été utilisée pour lubrification et lavage pendant un traitement dans une machine-outil, afin de permettre d'économiser des coûts de traitement des eaux usées et éviter la contamination de produits traités due à l'accumulation d'impuretés, le dispositif de nettoyage d'eau de lavage comprenant : une cuve de purification (20) disposée sur un côté d'une machine-outil (10), stockant une eau de lavage qui s'écoule dans celle-ci, qui a été utilisée dans un travail de traitement au moyen de la machine-outil (10), et l'élimination des impuretés contenues dans l'eau de lavage et la décharge de l'eau de lavage purifiée; une partie de circulation d'eau de lavage (30) aspirant l'eau de lavage stockée dans la cuve de purification (20) à l'extérieur de la cuve de purification (20), et introduisant ensuite l'eau de lavage dans la cuve de purification (20) et circulant et alimentant celle-ci; un dispositif de génération de microbulles (40) disposé à l'intérieur de la cuve de purification (20), générant et fournissant des microbulles dans l'eau de lavage introduite par l'intermédiaire de la partie de circulation de lavage (30), et induisant la flottaison rapide à la surface de microbulles et d'impuretés agrégées; un écumeur (60) transférant les impuretés flottant au sommet de l'eau de lavage vers une partie de collecte d'impuretés (70) disposée sur le côté de la cuve de purification (20); et une partie de pompage d'eau de lavage (80) pompant l'eau de lavage avec les impuretés éliminées afin d'être réutilisée dans le travail de traitement au moyen de la machine-outil (10).
PCT/KR2015/012319 2015-11-17 2015-11-17 Dispositif de nettoyage d'eau de lavage de machine-outils Ceased WO2017086494A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2015/012319 WO2017086494A1 (fr) 2015-11-17 2015-11-17 Dispositif de nettoyage d'eau de lavage de machine-outils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2015/012319 WO2017086494A1 (fr) 2015-11-17 2015-11-17 Dispositif de nettoyage d'eau de lavage de machine-outils

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107414583A (zh) * 2017-08-04 2017-12-01 安徽科创生产力促进中心有限责任公司 一种机床用无动力集屑装置
CN113399103A (zh) * 2021-06-22 2021-09-17 滁州学院 一种滁菊的加工装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0948463B1 (fr) * 1996-11-06 2001-01-10 Paques B.V. Appareil de purification biologique d'eau residuelle
KR20040038484A (ko) * 2002-11-01 2004-05-08 현대중공업 주식회사 타유 분리 및 오존 접촉 효율이 우수한 격판 구조의절삭유 탱크
JP2005232218A (ja) * 2004-02-17 2005-09-02 Iwata Yoko Kk 加工油粒子微細化装置
KR20120013484A (ko) * 2010-08-05 2012-02-15 주식회사 그린코어 이엔씨 폐원유와 원유 슬러지 처리장치 및 그 방법
KR20130102385A (ko) * 2012-03-07 2013-09-17 현대자동차주식회사 수용성 절삭유의 부패방지 처리 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0948463B1 (fr) * 1996-11-06 2001-01-10 Paques B.V. Appareil de purification biologique d'eau residuelle
KR20040038484A (ko) * 2002-11-01 2004-05-08 현대중공업 주식회사 타유 분리 및 오존 접촉 효율이 우수한 격판 구조의절삭유 탱크
JP2005232218A (ja) * 2004-02-17 2005-09-02 Iwata Yoko Kk 加工油粒子微細化装置
KR20120013484A (ko) * 2010-08-05 2012-02-15 주식회사 그린코어 이엔씨 폐원유와 원유 슬러지 처리장치 및 그 방법
KR20130102385A (ko) * 2012-03-07 2013-09-17 현대자동차주식회사 수용성 절삭유의 부패방지 처리 시스템

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107414583A (zh) * 2017-08-04 2017-12-01 安徽科创生产力促进中心有限责任公司 一种机床用无动力集屑装置
CN113399103A (zh) * 2021-06-22 2021-09-17 滁州学院 一种滁菊的加工装置

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