KR20100079836A - Cleaning apparatus of aqueous cutting oil and cleaning method therefor - Google Patents

Cleaning apparatus of aqueous cutting oil and cleaning method therefor Download PDF

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Publication number
KR20100079836A
KR20100079836A KR1020080138413A KR20080138413A KR20100079836A KR 20100079836 A KR20100079836 A KR 20100079836A KR 1020080138413 A KR1020080138413 A KR 1020080138413A KR 20080138413 A KR20080138413 A KR 20080138413A KR 20100079836 A KR20100079836 A KR 20100079836A
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separation tank
cutting oil
metal member
water
tertiary
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KR1020080138413A
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Korean (ko)
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심재범
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심재범
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Publication of KR20100079836A publication Critical patent/KR20100079836A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

PURPOSE: An apparatus and a method for cleaning aqueous cutting oil are provided to increase the amount of metal parts cleaned in the same period of time and remove the need for washing out used cleaning agent. CONSTITUTION: An apparatus for cleaning aqueous cutting oil comprises a primary separator(10), a secondary separator(20), a tertiary separator(30), an air shower(50), a hot air dryer(60), and a control unit(70). The primary separator accepts alkaline cleaning agent of 4~10%. The secondary separator accepts alkaline cleaning agent of 2~4%. The tertiary separator accepts alkaline cleaning agent of 1~2%. The control unit transfers metal parts in which cutting oil is attached to the primary through tertiary separators, the air shower, and the hot air dryer.

Description

Water-soluble cutting oil cleaning device and its cleaning method {CLEANING APPARATUS OF AQUEOUS CUTTING OIL AND CLEANING METHOD THEREFOR}

The present invention relates to a water-soluble cutting oil cleaning device and a cleaning method thereof, and more particularly, to clean a plurality of metal members processed in a machine tool with a plurality of cleaning tanks in which the concentration of the alkaline cleaning agent is gradually reduced, The present invention relates to a water-soluble cutting oil cleaning device capable of shortening time and a cleaning method thereof.

When processing metal with abrasive stone to process metal processing with high precision, the metal may be deformed by the heat generated in the processing area. To prevent this, supply coolant to the processing area to cool the heat of the processing area and further improve the precision. To make it possible.

Generally, the cutting oil is composed of 20 to 80% by weight of paraffinic, naphthenic or aromatic base oils, 10 to 70% by weight of water, and other additives such as fatty acids, surfactants, defoamers, etc., whose main components are saturated hydrocarbons.

When cutting oil is used to process metal machines, the cutting oil is diluted 10 to 80 times with water, and is used in an emulsion state in which a small amount of oil is contained in a large amount of water. It is called waste cutting oil and it is produced in various fields such as steel, machinery, petroleum refining, food, textile industry.

Such waste cutting oil is a pollutant that causes environmental pollution when discharged as it is, so the oil contained in the waste cutting oil must be removed and discharged by secondary treatment of the remaining waste water. However, waste cutting oil is a state in which fine remains are dispersed and suspended in a large amount of water. It is difficult to separate water and oil efficiently, and the waste cutting oil of this property usually has an oil content of 5 to 10% by weight, so it cannot be burned because it is not burned, and it is very difficult to treat waste water. Even the treatment is difficult to avoid the situation.

Therefore, the metal parts processed through the conventional machine tools are separated from the surface of the metal parts by immersing the metal parts in various cleaning agents for a predetermined time to wash the cutting oil applied during the processing.

However, simply washing with a single concentration of detergent to remove the waste cutting oil attached to the metal part additionally causes the process of washing with water to remove the detergent applied to the surface of the metal part. It is small and there is a problem that the washing cost is increased.

Therefore, the first object of the present invention is to improve the cleaning method of the metal parts using the conventional single concentration of the detergent, to improve the disadvantages in the cleaning method through a single detergent, and to be efficient compared to the conventional single concentration of the cleaner, It is to provide a water-soluble cutting oil cleaning device that does not require a step of removing the cleaning agent using water.

It is also a second object of the present invention to provide an improved type of cutting oil cleaning method using a water-soluble cutting oil cleaning device.

In order to achieve the first object of the present invention described above, according to one embodiment of the present invention, the primary separation tank containing 4 to 10% of the alkali-based cleaner; A secondary separation tank containing 2 to 4% of an alkaline cleaner; A tertiary separation tank containing 1 to 2% of an alkaline cleaner; Air shower; Hot air dryer; And control means for sequentially moving the metal member to which the cutting oil is attached to the primary separating tank, the secondary separating tank, the tertiary separating tank, the air shower, and the hot air dryer. .

In order to achieve the second object of the present invention, according to one embodiment of the present invention (I) immersing the metal member in the primary separation tank containing 4 to 10% of the alkali-based cleaner; (Ii) immersing the metal member having passed through step (iii) in a secondary separation tank containing 2-4% of an alkaline cleaner; (Iii) immersing the metal member passed through step (ii) in a tertiary separation tank containing 1 to 2% of an alkaline cleaner; (Iii) inserting the metal member having passed through step (iii) into the air shower to remove water droplets attached to the surface of the metal member; (Iii) inserting the metal member having passed through the step (iii) into a hot air dryer to remove the water adhering to the surface of the metal member, thereby providing a water-soluble cutting oil cleaning method.

According to the invention, The amount of metal parts washed at the same time is more than three times increased, and the total cleaning time is reduced because the process of cleaning the detergent used to clean the metal parts using water is unnecessary. In addition, since the used detergent is circulated, no additional detergent supply is necessary. In addition, it is possible to prevent the environmental pollution because it can be collected and treated separately without direct discharge of cutting oil causing environmental pollution. Furthermore, since the cutting oil attached to the metal parts is removed cleanly, corrosion due to the cutting oil is prevented, and thus the service life of the metal parts can be improved.

Hereinafter, a water-soluble cutting oil cleaning apparatus and cleaning method thereof according to preferred embodiments of the present invention will be described in detail.

1 is a block diagram showing a water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention.

1, the water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention is the primary separation tank 10, secondary separation tank 20, tertiary separation tank 30, air shower 50, hot air Dryer 60, the control means 70 is included. In addition, the compliance-based washing tank 80, purifying means 90, may further include a rust coating tank 40.

If necessary, the primary separation tank 10, the secondary separation tank 20, the tertiary separation tank 30, the air shower 50 and the hot air dryer 60 may be formed integrally, individually It may be formed in a separated state.

In addition, the purifying means 90 constituting the water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention is the primary separation tank 10, secondary separation tank 20, tertiary separation tank 30 and the first piping 92 and the second pipe 94 can be connected.

Water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention includes a primary separation tank (10).

The primary separation tank (10) is a washing tank containing 4% to 10%, preferably about 5% of an alkali-based cleaner, wherein the metal member (5) carried by the control means (70) is a predetermined time, preferably Preferably, when immersed in the aqueous alkali solution for 1 to 3 minutes, the cutting oil attached to the surface of the metal member 5 is separated from the metal member 5 through an alkali-based cleaner circulated in the washing tank. Here, the metal member 5 means a metal part that is processed through a machine tool. At this time, the alkaline aqueous solution is preferably maintained in the temperature range of 40 to 60 ℃ to improve the washing power of the water-soluble cutting oil.

If necessary, the front surface of the primary separation tank 10 may further include a compliance system cleaning tank 80 in which the compliance system cleaner is accommodated. The compliance-based washing tank 80 is provided to remove oil-soluble cutting oil used in the metal member (5). The metal member 5 carried by the control means 70 is preferably immersed in a compliant cleaner for a predetermined time, preferably 1 to 3 minutes, before being immersed in the primary separation tank 10. Here, although any compliant cleaner may be used as the compliant cleaner, it is preferable to use a compliant cleaner used in the art.

Water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention includes a secondary separation tank (20).

The secondary separation tank 20 is a washing tank containing 2% to 4%, preferably about 3% of an alkaline cleaner, and is preferably provided at a position adjacent to the primary separation tank 10. When the metal member 5 carried by the control means 70 is immersed in the aqueous alkali solution of the primary separation tank 20 for a predetermined time, preferably 1 to 3 minutes, alkali circulated in the washing tank The cutting oil attached to the surface of the metal member 5 through the system cleaner is separated from the metal member 5. At this time, the 2% to 4% aqueous alkali solution is preferable to maintain a temperature range of 40 to 60 ℃ to improve the washing power of the water-soluble cutting oil.

Water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention includes a tertiary separation tank (30).

The tertiary separation tank 30 is a washing tank containing 0.1% to 2%, preferably about 1% of an alkaline cleaner, and is preferably provided at a position adjacent to the secondary separation tank 20. When the metal member 5 carried by the control means 70 is immersed in the alkali aqueous solution of the tertiary separation tank 30 for a predetermined time, preferably 1 to 3 minutes, an alkali system circulated inside the washing tank. The cutting oil attached to the surface of the metal member 5 through the cleaning agent is separated from the metal member 5. At this time, the 0.1% to 2% aqueous alkali solution is preferably maintained in the temperature range of 40 to 60 ℃ to improve the washing power of the water-soluble cutting oil. In this way, since the aqueous solution of an alkali having a concentration of water of 98% or more is used for the tertiary separation tank 30, it is attached to the surface of the metal member 5 through the primary separation tank 10 and the secondary separation tank 20. At least 2% of the alkali aqueous solution is diluted in its concentration through 2% or less aqueous alkali solution of the tertiary separation tank 30. In general, when the metal member washed with the alkali cleaner is used as it is, the alkali cleaner remaining in the metal member may oxidize the metal member over time, thereby causing rust on the surface of the metal member. However, since the metal member 5 passing through the first, second, and third separation tanks is washed through a low concentration of alkali cleaner in the third separation tank 30, a separate rinsing process using water is unnecessary.

Alkali-based cleaners used in the primary separation tank 10, primary separation tank 20, and tertiary separation tank 30 may be any alkali-based cleaner, but preferably in the art. It is preferable to use the alkaline cleaning agent used, and it is particularly preferable to use DAICLEANER R-313DC (product name) of Dongho Corporation.

If necessary, the compliance-based washing tank, the primary separation tank 10, the primary separation tank 20, the tertiary separation tank 30 according to an embodiment of the present invention, the primary separation along the outer peripheral surface of the upper end The first drip tray 12, the second drip tray 22, and the third drip tray 32, respectively, to store the alkaline cleaning agent discharged from the tank 10, the secondary separation tank 20, and the tertiary separation tank 30, respectively. ) May be provided. Here, if the drip tray (12, 22, 32) is in the form that can be stored in the alkali-based cleaning agent flowing out from the primary separation tank 10, the primary separation tank 20, the tertiary separation tank 30 inflow It may be formed in any form, but preferably is formed in the form of a drain pipe with an open top surface.

Water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention may further include a purifying means (90). 2 is a perspective view showing the purifying means according to an embodiment of the present invention.

1 and 2, the purification means 90 is connected to the primary separation tank 10, the secondary separation tank 20, and the tertiary separation tank 30, respectively, to separate the primary separation tank. 10, the primary separation tank 20, the alkaline-based cleaning agent containing the contaminants introduced from the tertiary separation tank 30 to purify the primary separation tank 10, primary separation tank 20, The alkaline detergent is resupplied to the tertiary separation tank 30. Here, the contaminants include cutting oil, foreign substances, metal debris, etc., and the contaminants may be separately separated from the purifying means 90 and stored separately. As such, the alkaline cleaning agent containing contaminants is not discharged to the outside, and by recycling the alkaline cleaning agent except the contaminants, environmental pollution due to the alkaline cleaning agent is prevented, and operating costs are reduced. In addition, since it can be stored separately according to the pollutants, environmental pollution due to the pollutants is prevented.

The purifying means 90 includes a first purifying means connected to the primary separation tank 10, a second purifying means connected to the primary separation tank 20, and a third purging means connected to the third separation tank 30. It may be configured as a purifying means.

On the other hand, between the purification means 90 and the primary separation tank 10, the primary separation tank 20, the tertiary separation tank 30, the primary separation tank 10, the primary separation tank 20 The first pipe 92 into which the alkaline detergent cleaner flowing out from the tertiary separation tank 30 flows, and the alkaline cleaner filtered through the purification means 90 are the primary separation tank 10 and the primary separation tank ( 20), the second pipe 94 to be introduced into the tertiary separation tank 30 is provided.

More specifically, the first pipe 92 is connected to the upper end of the primary separation tank 10, the primary separation tank 20, the tertiary separation tank 30 or the primary separation tank 10, 1 It is connected to the drip trays 12, 22, and 32 formed in the primary separation tank 20 and the tertiary separation tank 30, respectively, and the other end of the first pipe 92 is connected to the purification means 90. .

That is, the alkaline cleaning agent of the primary separation tank 10, the primary separation tank 20, and the tertiary separation tank 30 is the primary separation tank 10, the primary separation tank 20, and the tertiary separation tank. Inflow into the purification means 90 through the first pipe 92 connected to the upper end of the 30, or outflow from the primary separation tank 10, the primary separation tank 20, the tertiary separation tank 30 The alkali-based cleaner is introduced into the purifying means 90 through the first pipe 92 directly connected to the drip trays 12, 22, and 32.

In one embodiment, the purifying means 90 is formed integrally with the filter 96 for removing contaminants and the motor pump 98 for discharging the alkaline detergent having been removed from the filter 96 at a constant speed. Or may be formed separately.

If necessary, the purifying means 90 additionally introduces an alkaline cleaner so that the alkali cleaners contained in the respective separation tanks 10, 20, and 30 maintain a constant concentration, such as 5%, 3%, and 1%, respectively. An auxiliary tank (not shown) may be further included. In this case, the auxiliary tank is preferably connected to one side of the second pipe.

Here, the motor pump 98 flows the alkaline detergent into the separation tank by flowing the alkaline detergent into the separation tank at a constant speed so that the alkaline detergent is smoothly in contact with the surface of the metal member 5, and at the same time, a part of the alkaline detergent in the separation tank. To flow out into the first pipe (92). That is, the alkaline detergent is circulated through the purifying means 90 at a constant speed by the motor pump 98.

As described above, by using a plurality of alkali-based cleaners whose concentrations are sequentially reduced, the function of separating the cutting oil from the metal member 5 is performed smoothly, but the process of washing the alkaline-based cleaner with water is unnecessary.

In one embodiment, any first process of immersing the metal member 5 for about 6 minutes in an alkaline cleaner of about 5% to separate the cutting oil from the metal member 5 comprises one metal member 5 for 6 minutes. And a process of washing the alkali-based cleaner with water is essential. However, the metal member 5 is immersed in the 5% alkaline cleaner for 2 minutes, the 3% alkaline cleaner for 2 minutes, and the 1% alkaline cleaner for 2 minutes. Any second step of separating the cutting oil is similar in cleaning power to the metal member 5 as compared to the first step, but the three metal members 5 are cleaned for 6 minutes and the alkaline cleaning agent is washed with water. No process is necessary.

That is, since the amount of alkali-based cleaner remaining on the surface of the metal member 5 is small by using an alkali-based cleaner containing 98% or more of water at last, it is hardly affected by the metal member 5, and thus it is removed by water. The process does not need to be added.

Water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention includes an anti-corrosive coating tank 40.

The anti-corrosive coating tank 40 is a coating bath containing 1% to 3%, preferably about 1% of the anti-corrosive liquid (rust protection oil), provided between the tertiary separation tank 30 and the air shower (50) It is preferable to be. When the metal member 5 carried by the control means 70 is immersed in the rust preventive solution for a predetermined time, preferably 1 to 3 minutes, the metal is prevented by the rust preventive solution in the anticorrosive coating tank 40. The surface of the member 5 is coated. Here, although any rust preventive liquid may be used as said rust preventive liquid, Preferably, it is good to use a water-soluble rust preventive liquid, and it is preferable to use ANTIRUST 300X (product name) of Toho Corporation.

If necessary, the primary separation tank 10, the primary separation tank 20, the tertiary separation tank 30, the anti-corrosion liquid coating tank 40, the primary separation tank 10, primary One or more mist cleaners (not shown) may be provided to remove mist generated from the separation tank 20, the tertiary separation tank 30, and the rust preventing coating layer 40.

Water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention includes an air shower (50).

The air shower (50) is provided to remove water droplets attached to the surface of the metal member (5) passed through the tertiary separation tank (30) or the rust preventing coating layer (40), the air shower (50) It is preferable that the tertiary separation tank 30 or the anti-corrosion liquid coating tank 40 is provided at an adjacent position. At this time, as the air shower 50, any type of air shower 50 may be used as long as the air shower 50 removes the water droplets by spraying compressed air on the surface of the metal member 5.

Water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention includes a hot air dryer (60).

The hot air dryer 60 is provided to remove moisture on the surface of the metal member 5 passing through the air shower 50, and the hot air dryer 60 is provided at an adjacent position of the air shower 50. It is preferable to be. At this time, the hot air dryer 60 is a temperature energy capable of evaporating water, rust preventive solution, alkaline cleaner. For example, any type of hot air dryer may be used as long as the hot air dryer removes moisture from the surface of the metal member 5 by providing a temperature energy of 40 to 130 ° C.

In one embodiment, the hot air dryer, when the metal member 5 is iron, the metal member 5 is dried for 1 to 5 minutes at 80 ℃ or less, if the metal member 5 is non-ferrous metal member (5) is dried at 130 DEG C or lower for 1 to 3 minutes.

Water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention includes a control means (70).

The control means 70 sequentially cuts the metal member 5 to which the cutting oil is attached to the primary separation tank 10, the secondary separation tank 20, the tertiary separation tank 30, the air shower 50, By moving to the hot air dryer 60, the primary separation tank 10, secondary separation tank 20, tertiary separation tank 30, air shower 50, hot air dryer 60, the upper portion of the constant It is provided to be spaced apart. The control means 70 may be formed in any form as long as it uses a conveyor system commonly used in the art, but is preferably formed in a form in which a plurality of fastening members 74 are provided on the conveyor 72. It is good. At this time, the control means 70 is provided between the bottom or the primary separation tank 10, the primary separation tank 20, the tertiary separation tank 30, the air shower (50), hot air dryer (60). It can be supported through the support member (not shown). Here, the support member is to provide a movement path for the control means 70 to move in the vertical direction and the horizontal direction while supporting the control means 70, and may be formed in any form if used for this purpose. Do.

In one embodiment, the control means 70 is a conveyor 72 moving in the horizontal direction, the primary separation tank 10, the secondary separation tank 20, the tertiary in the state connected to the conveyor 72 As a plurality of fastening members 74 and the power means 76 for moving the conveyor 72 in the up and down directions, respectively provided at the upper end of the separation tank 30, the air shower 50, the hot air dryer 60. Can be configured. At this time, the control means 70 is a control unit (not shown) electrically connected to the conveyor 72 and the power means 76 to control the operation of the conveyor 72 and the power means 76 to automate its operation. And an operation unit (not shown) that receives the driving of the controller.

The conveyor 72 is a metal member 5 connected to the fastening member 74 in order to the primary separation tank 10, secondary separation tank 20, tertiary separation tank 30, air shower (50) And it is provided to move to the top of the hot air dryer 60, any conveyor that can move the fastening member 74 in the horizontal direction may be used.

The fastening member 74 may be formed in the form of tongs to fix the metal member 5, or may be formed of a latch having a horizontal cross-section of the "b" shaped.

The power means 76 is provided to move the conveyor 72 in the up and down direction, the metal member 5 connected to the fastening member 74 sequentially the primary separation tank 10, 2 The conveyor 72 is moved to be inserted into the primary separation tank 20, the tertiary separation tank 30, the air shower 50, and the hot air dryer 60. As the power means 76, a lift or the like can be used.

The control unit is each fastening member 74, the metal member 5 is inserted into the primary separation tank 10, secondary separation tank 20, tertiary separation tank 30, air shower 50 and hot air Conveyor 72 is operated to be located above the dryer 60, each fastening member 74 is the primary separation tank 10, secondary separation tank 20, tertiary separation tank 30 When positioned above the air shower 50 and the hot air dryer 60, the power means 76 is moved in the up and down directions.

3 is a perspective view showing a grid network according to an embodiment of the present invention.

Referring to FIG. 3, a grid net 80 may be provided under the control means 70, for example, under the fastening member 74 to accommodate a plurality of metal members 5 at the same time. In this case, a plurality of fasteners 82 may be formed at the upper end of the grid 80 to be fastened to the fastening member 74 of the control means 70.

Fixing member 82 according to an embodiment of the present invention is formed in a form corresponding to the fastening member 74, more specifically, the transverse cross-section may be formed of a "b" shaped latch.

4 is an operational perspective view showing a control means, a separation tank and a purifying means according to an embodiment of the present invention.

Looking at the operation method of the water-soluble cutting oil cleaning device including the above configuration with reference to Figure 1 and 4 as follows.

① When the driving of the control unit is input through the operation unit, the control unit operates the conveyor 72 so that the grid 80 connected to the fastening member 74 can be positioned above the primary separation tank 10, and then the fastening member. When 74 is located above the primary separation tank 10, the operation of the conveyor 72 is stopped.

② The control unit operates the power means 76 so that the grid 80 is inserted into the primary separation tank 10 to be immersed in the alkaline cleaner, and then the grid 80 is applied to the alkaline cleaner. When immersed, the power means 76 is stopped for about two minutes.

③ After about 2 minutes, the control unit operates the power means 76 to move the grid 80 to the upper portion of the primary separation tank 10, the grid net 80 is the primary separation tank 10 If the position of the upper portion) stops the operation of the power means (76).

④ The control unit repeats the process similar to the above ①, ②, ③ steps, the grid 80 is sequentially the secondary separation tank 20, tertiary separation tank 30, anti-corrosive coating tank 40, air shower 50, the conveyor 72 and the power means 76 are operated to pass through the hot air dryer 60.

More specifically, the process after placing the metal member 5 above the primary separation tank 10 will be described.

The first step is to immerse the metal member 5 in the primary separation tank (10) containing 4 to 10% of the alkaline cleaner, the metal member (5) for about 2 minutes in the alkaline cleaner Next, the gold member 5 is moved to the upper portion of the secondary separation tank 10.

When oil-soluble coolant is used when machining the metal member 5 through a machine tool, the metal-based member 5 is adhered with a compliant cleaning agent before performing the first step to remove the oil-soluble coolant. It may further comprise the step of immersing in the system washing bath.

The second step is to immerse the metal member 5, which has passed through the first step, in the secondary separation tank 20 containing 2 to 4% of the alkaline cleaner, and the metal member in the alkaline cleaner for about 2 minutes. After immersing (5), the metal member (5) is moved to the upper portion of the tertiary separation tank (30).

The third step is to immerse the metal member 5, which has passed through the second step, in the tertiary separation tank 30 containing 1 to 2% of the alkaline cleaner, and the metal member in the alkaline cleaner for about 2 minutes. After immersing (5), the metal member (5) is moved to the upper portion of the air shower (40).

The fourth step is a step of removing the water droplets attached to the surface of the metal member 5 by inserting the metal member 5 passed through the third step into the air shower 40, the surface of the metal member 5 Compressed air is sprayed on to remove water droplets attached to the surface of the metal member 5.

Between the third step and the fourth step may further comprise the step of immersing the metal member 5 in the anti-corrosive coating tank 40. In the anti-corrosive coating step, the metal member 5 is immersed in the anti-corrosive solution for 1 to 3 minutes to coat the anti-corrosive solution on the surface of the metal member 5 so that the metal member 5 processed in the machine tool has elapsed time. Prevent rust from occurring

The fifth step is to insert the metal member 5 passed through the fourth step into the hot air dryer 60 to remove moisture adhering to the surface of the metal member 5. The hot air at 130 to 130 ° C. is provided for 1 to 5 minutes to remove moisture adhering to the surface of the metal member 5.

Hereinafter, the present invention will be described in detail with reference to a preferred embodiment. However, the following Example is for illustrating this invention concretely, It does not limit only to this.

EXAMPLE

Primary separation tank containing 5% alkaline cleaner, secondary separation tank containing 3% alkaline cleaner, tertiary separation tank containing 1% alkali cleaner, anti-corrosive coating tank, air shower, hot air dryer, A water-soluble cutting oil cleaning apparatus according to the present invention was composed of a conveyor, a fastening member, a grid, an elevator, an operation unit, and a control unit.

At this time, the metal member with the water-soluble cutting oil was sequentially immersed in the primary separation tank, secondary separation tank, and tertiary separation tank for 2 minutes, respectively, and inserted into the anti-corrosive coating tank, air shower and hot air dryer for 2 minutes, respectively. . In addition, only one metal member was inserted into the grid and a hot air dryer supplied 80 ° C. of thermal energy.

Here, DAICLEANER R-313DC was used as the alkaline cleaner and ANTIRUST 300X was used as the rust preventive solution.

Comparative Example 1

A water-soluble cutting oil cleaning device was manufactured under the same conditions as in the examples, except that 5% of the alkaline cleaning agent was used instead of the 3% of the alkaline cleaning agent of the embodiment, and 5% of the alkaline cleaning agent was used instead of the 1% of the alkaline cleaning agent of the embodiment. To prepare a water-soluble cutting oil cleaning device.

Comparative Example 2

A water-soluble cutting oil cleaning device was manufactured under the same conditions as in the embodiment, except that the primary separation tank containing 5% of the alkaline cleaning agent, the secondary separation tank containing 3% of the alkaline cleaning agent, and the 1% alkaline cleaning agent were contained. Instead of the tertiary separation tank, a water-soluble cutting oil cleaning device was manufactured by including a separation tank containing 5% alkali-based cleaner and a cleaning tank containing 100% water. At this time, the metal member with the water-soluble cutting oil was immersed for 6 minutes in a separation tank containing 5% alkali-based cleaner, and immersed in a washing tank containing water for 2 minutes.

Comparative Example 3

A water-soluble cutting oil cleaning device was manufactured under the same conditions as in the embodiment, except that the primary separation tank containing 5% of the alkaline cleaning agent, the secondary separation tank containing 3% of the alkaline cleaning agent, and the 1% alkaline cleaning agent were contained. Instead of the tertiary separation tank, a water-soluble cutting oil cleaning device was manufactured by including a separation tank containing 5% alkali-based cleaner and a cleaning tank containing 100% water. At this time, the metal member with the water-soluble cutting oil was immersed for 3 minutes in the separation tank containing the 5% alkali-based cleaner, and immersed in the washing tank containing water for 2 minutes.

[Experimental Example]

Through the above Examples and Comparative Examples 1, 2, and 3, the water-soluble cutting oil cleaning device was operated for 1 hour to evaluate the cleaning speed of the metal member in each case, and the state after the washed metal member was 6 months passed. The cleaning power evaluation experiment was observed to observe the change, the results are shown in Table 1 below.

<Table 1> Experimental results of water soluble coolant cleaner

Example Comparative Example 1 Comparative Example 2 Comparative Example 3 Cleaned Metal Parts (pcs) 25 25 8 17 Converted metal parts (pcs) 6 38 7 21

* Cleaning power

The number of oxidized metal parts was determined after storing 100 metal parts with water soluble cutting oil at room temperature for 6 months through a water soluble coolant cleaning device.

Looking at the results of measuring the number of metal parts cleaned for 1 hour and the number of oxidized metal parts after 6 months as described above.

In Comparative Example 1, the number of metal parts cleaned for 1 hour was the same as in Example, but the number of oxidized metal parts after 38 months was 38, indicating that about 6 times or more of the examples were oxidized. That is, in Comparative Example 1, the cleaning speed was similar to that of the Example, but the cleaning power was evaluated to be reduced.

In Comparative Example 2, the quantity of the metal parts oxidized after 6 months was similar to that of the example, but the quantity of the metal parts cleaned for 1 hour was found to correspond to 32% of the examples. That is, in Comparative Example 2, the cleaning power was similar to that of the Example, but the cleaning speed was evaluated to be reduced.

In Comparative Example 3, the number of metal parts cleaned for one hour was smaller than that of Example, and the number of metal parts oxidized after six months was also high. That is, in Comparative Example 3, it was evaluated that both the cleaning speed and the cleaning power were reduced compared to the Examples.

As described above, the water-soluble cutting oil cleaning apparatus and the cleaning method thereof according to an embodiment of the present invention have been shown to have a faster cleaning speed and better cleaning power of the metal member than the conventional cleaning apparatus and the cleaning method thereof.

As described above, the present invention has been proven to be superior in performance through the above embodiments, but the present invention is not necessarily limited only to the above embodiments, and various substitutions may be made without departing from the technical spirit of the present invention. , Modifications and variations are possible.

1 is a block diagram showing a water-soluble cutting oil cleaning apparatus according to an embodiment of the present invention.

2 is a perspective view showing the purifying means according to an embodiment of the present invention.

3 is a perspective view showing a grid network according to an embodiment of the present invention.

4 is an operational perspective view of the control means, the separation tank and the purifying means according to an embodiment of the present invention.

Brief description of the main parts of the drawing

5: metal member 10: primary separation tank

12: first drip tray 20: secondary separator

22: second drip tray 30: third separator

32: 3rd drip tray 40: antirust solution coating tank

50: air shower 60: hot air dryer

70 control means 72 conveyor

74: fastening member 76: power means

80: grid 82: fixture

90 purification means 92 first pipe

94: second piping 96: filter

98: motor pump

Claims (9)

A primary separation tank containing 4 to 10% of an alkaline cleaner; A primary separation tank containing 2 to 4% of an alkaline cleaner; A tertiary separation tank containing 1 to 2% of an alkaline cleaner; Air shower; Hot air dryer; And Control means for sequentially moving the metal member with cutting oil to the primary separation tank, secondary separation tank, tertiary separation tank, air shower, and hot air dryer; Water-soluble cutting oil cleaning apparatus comprising a. The method of claim 1, wherein the control means, The conveyor moving in the horizontal direction, a plurality of fastening members provided on the upper end of the primary separation tank, secondary separation tank, tertiary separation tank, air shower, hot air dryer in the state connected to the conveyor and the conveyor Water-soluble cutting oil cleaning device, characterized in that consisting of a power means for moving in the downward direction. The method of claim 2, Water-soluble cutting oil cleaning device, characterized in that the grid is provided connected to the fastening member can accommodate a plurality of metal members. The method of claim 1, Water-soluble cutting oil cleaning device characterized in that it further comprises an anti-corrosive coating tank between the tertiary separation tank and the air shower. The method of claim 1, Water-soluble cutting oil cleaning device further comprises a compliance-based cleaning tank containing a compliance-based cleaning agent on the front of the primary separation tank. The method of claim 1, The primary separation tank is connected to the primary separation tank, secondary separation tank, and tertiary separation tank to purify an alkali-based cleaner including contaminants introduced from the primary separation tank, the secondary separation tank, and the third separation tank. And a second separation tank and a purification means for resupplying to the third separation tank. (Iii) immersing the metal member in the primary separation tank containing 4 to 10% of the alkaline cleaner; (Ii) immersing the metal member having passed through step (iii) in a secondary separation tank containing 2-4% of an alkaline cleaner; (Iii) immersing the metal member passed through step (ii) in a tertiary separation tank containing 1 to 2% of an alkaline cleaner; (Iii) inserting the metal member having passed through step (iii) into the air shower to remove water droplets attached to the surface of the metal member; (Iii) inserting the metal member having passed through the step (iii) into a hot air dryer to remove moisture attached to the surface of the metal member; Water-soluble cutting oil cleaning method comprising a. The method of claim 1, Water-soluble cutting oil cleaning method further comprises the step of immersing the metal member in the anti-corrosive coating tank between the step (iii) and step (iii). The method of claim 7, wherein Water-soluble cutting oil cleaning method further comprising the step of immersing the metal member in a compliant cleaning tank containing a compliant cleaning agent before performing the step (iii).
KR1020080138413A 2008-12-31 2008-12-31 Cleaning apparatus of aqueous cutting oil and cleaning method therefor KR20100079836A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104624574A (en) * 2015-02-15 2015-05-20 苏州鸿普精密模具有限公司 Chemical cleaning machine for automobile condensers
KR20210052913A (en) 2019-11-01 2021-05-11 (주)비디텍 Metal plate washing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104624574A (en) * 2015-02-15 2015-05-20 苏州鸿普精密模具有限公司 Chemical cleaning machine for automobile condensers
KR20210052913A (en) 2019-11-01 2021-05-11 (주)비디텍 Metal plate washing device

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