CN105126390A - Oil-water separator and cutting fluid filter device - Google Patents

Abstract

The invention discloses an oil-water separator and a cutting fluid filter device. A rack body, a filter mounted in the rack body, a centrifugal machine and the oil-water separator and a foul solution inlet pipe connected with the filter are comprised. The filter is connected to the oil-water separator through the centrifugal machine; the oil-water separator comprises a first box body and a second box body, a water removal pipe connected to the first box body and a purified water relieving pipe connected to the second box body; the first box body is provided with a first partition plate and a second partition plate; the top end of the first partition plate is higher than the top end of the second partition plate; the first box body is provided with a first discharging piece and a second discharging piece communicated to outside; the top end of the first discharging piece is higher than the top end of the second discharging piece, and the top end of the second discharging piece is lower than the top end of the first discharging piece. Foul solutions such as a cutting fluid sequentially flow through the filter, the centrifugal machine and the oil-water separator to separately filter various impurities such as scrap iron, dust, sump oil and the like, so that the cutting fluid is clean and the service life of the cutting fluid is prolonged.

Description

A kind of oil water separator and device for filtering cutting fluid

Technical field

The present invention relates to cutting fluid processing technology field, particularly relate to a kind of oil water separator and device for filtering cutting fluid.

Background technology

Water-soluble metalworking liquid has the advantages such as inexpensive, safety and health relative to oil-soluble, so displace oil soluble cutting fluid gradually, there is the trend that water long oil falls in the whole world, but there is short problem in service life in water-soluble metalworking liquid, how to prevent water-soluble metalworking liquid corrupt, extend the problem that its service life, Shi Ge manufacturer was concerned about most.

Extend the service life of water-soluble metalworking liquid it is crucial that how to allow cutting fluid clean, machine tool is in metal cutting process, capital produces some tiny chip, metal dusts etc. and is mixed into cutting fluid, these tiny chips and powder adhered to one another or be bonded on workpiece, cutter, and then affect the surface roughness of workpiece and precision and cutting-tool's used life.

Machine tool drive and the oily cutting fluid of bleeding because lathe is poorly sealed of hydraulic system, also have rail oil, main shaft oil, hydraulic oil also can bleed cutting fluid in a large number, this wherein also comprises a large amount of bacterial micro-organisms, the foreign material such as all these sump oils, chip, metal dust are all the prolific food of bacterium, and the raised growth breeding of bacterial micro-organism can cause again water-soluble metalworking liquid smelly rotten.

For the deficiency that prior art exists, be necessary that designing a kind of device for filtering cutting fluid meets each manufacturer needs in fact.

Summary of the invention

In order to overcome the shortcoming and defect existed in prior art, the object of the present invention is to provide a kind of oil water separator and device for filtering cutting fluid, ensureing that cutting fluid is clean, extending the service life of cutting fluid.

For achieving the above object, a kind of oil water separator of the present invention, the second casing comprising the first casing and be communicated with the first casing, what be connected to described first casing diapire removes water pipe, be connected to the water purification adjutage of described second casing diapire, described first casing is provided with spaced first dividing plate and second partition, the first dividing plate, all has gap between second partition and the roof of the first casing, and the top of described first dividing plate is higher than the top of described second partition; Described first casing is provided with and is communicated to the first outside discharge member and the second discharge member, and the top of described first discharge member is higher than the top of described first dividing plate, and the top of described second discharge member is lower than the top of described first discharge member.

Wherein, described first dividing plate forms towards the extension of diapire direction from the roof of described first casing, be provided with gap between the diapire of described first dividing plate and described first casing, between the part on the top of described first dividing plate and the roof of described first casing, be provided with gap.

Wherein, described first dividing plate is provided with kink, and kink is near the diapire of described first casing, and described kink is away from described second partition.

Wherein, described second partition extends towards the direction of roof from the diapire of described first casing and forms, and is provided with gap between the roof of described second partition and described first casing.

Wherein, described first discharge member comprises the first delivery pipe, extension and switch; Described first delivery pipe comprises fixed part and extension, and described extension vertically extends from described fixed part and forms, and described fixed part is installed in the sidewall of described first casing, and described extension is located in described first casing; Described extension is hollow, and described extension comprises bottom and top, and the size on described top is greater than the size of described bottom, and described bottom is installed in described extension; Described switch is installed in described fixed part and is located at outside described first casing.

Wherein, described first casing also comprises the transition box from sidewall projection towards the outside, and described transition box extends to roof from the diapire of described first casing, and the lower end of the sidewall of described first casing is provided with the perforate be communicated with described transition box; Described transition box comprises rebound and installing plate, and described rebound is as the sidewall of described transition box, and the roof of described rebound and described first casing is provided with gap; Described installing plate is located at the top of described rebound, and described installing plate is connected with described rebound is vertical, and described installing plate closes the accommodation space in described transition box; Described installing plate is provided with through hole, and described second discharge member is installed in described through hole.

Wherein, described second casing is attached at described rebound, and described second casing is provided with opening, and the gap between described opening and the roof of described rebound, described first casing is communicated with; The diapire of described second casing is equiped with drainpipe, and described drainpipe extends towards roof direction from the diapire of described second casing, and be provided with gap between the roof of described drainpipe and described second casing, described drainpipe is higher than the top of described second discharge member.

A kind of device for filtering cutting fluid of the present invention, comprise support body, be installed in the filter of described support body, centrifuge and oil water separator, be connected to the soiling solution water inlet pipe of described filter, one end of described centrifuge is connected to described filter through pipeline, the other end of described centrifuge is connected to described oil water separator through pipeline, described except water pipe, described water purification adjutage be communicated with after be connected to described filter again.

Wherein, described support body is divided into the first installation portion, the second installation portion and the 3rd installation portion from bottom to up, described second installation portion is located between described first installation portion, described 3rd installation portion, and described first installation portion, described second installation portion, described 3rd installation portion are parallel to each other and are intervally installed; Described oil water separator is installed between described first installation portion, described 3rd installation portion; Described centrifuge is installed in described 3rd installation portion, and described centrifuge is positioned at above described oil water separator; Described filter installment is in described second installation portion, and described filter bits is in the side of described oil water separator; The bottom surface of described support body is equiped with multiple roller, and the upper end of described support body is equiped with pull bar.

Wherein, described device for filtering cutting fluid also comprises the back water pump being installed in described second installation portion, described back water pump is installed between described filter and described oil water separator, the two ends of described back water pump connect described filter, described oil water separator respectively by pipeline, and the pipeline between described back water pump and described filter is arranged with water purification outlet pipe; Describedly be equipped with check valve except water pipe and described water purification adjutage, described except water purification adjutage described in cross current, described after connection removes water pipe, described water purification adjutage is connected to described back water pump by pipeline again.

Beneficial effect of the present invention: the soiling solutions such as cutting fluid are flowed through filter, centrifuge and oil water separator by the present invention successively, the various foreign material such as iron filings, dust, oil slick respectively in filtering soiling solution, ensure that cutting fluid is clean, extend the service life of cutting fluid.

Accompanying drawing explanation

Fig. 1 is perspective view of the present invention;

Fig. 2 is the perspective view at another visual angle of the present invention;

Fig. 3 is operation principle schematic diagram of the present invention;

Fig. 4 is the sectional view of oil water separator of the present invention;

Fig. 5 is the structural representation of the first casing of the present invention;

Fig. 6 is the structural representation of the second casing of the present invention;

Fig. 7 is the structural representation of the first discharge member of the present invention.

Reference numeral comprises:

1-support body 11-the first installation portion 12-the second installation portion

13-the three installation portion 14-the first buck plate 15-the second buck plate

16-the three buck plate 17-roller 18-pull bar

181-mounting blocks, 182-cross bar, 2-filter

3-centrifuge, 4-oil water separator 41-the first casing

410-except water pipe 411-the first dividing plate 4110-breach

4111-kink, 412-second partition 413-the first discharge member

4131-the first delivery pipe 4132-extension 4133-switch

4134-fixed part, 4135-extension, 4136-bottom

4137-top, 414-transition box, 4141-rebound

4142-installing plate, 4143-through hole 4144-the second discharge member

4145-transverse slat, 415-perforate 42-the second casing

421-opening, 422-water purification adjutage, 423-drainpipe

5-suction pump, 50-soiling solution water inlet pipe, 6-back water pump

60-water purification outlet pipe.

Detailed description of the invention

For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing 1 ~ 7, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.

Refer to shown in Fig. 1, Fig. 2 and Fig. 3, a kind of device for filtering cutting fluid of the present invention, comprise support body 1, be installed in the filter 2 of described support body 1, centrifuge 3 and oil water separator 4, described filter 2 is connected to described oil water separator 4 by pipeline through described centrifuge 3, the water inlet of described filter 2 is connected with soiling solution water inlet pipe 50, and the delivery port of described oil water separator 4 is connected with water purification adjutage 422.

Described support body 1 is roughly in rectangular-shaped, described support body 1 is enclosed by multiple interconnective framework and forms, described support body 1 is divided into the first installation portion 11, second installation portion 12 and the 3rd installation portion 13 from bottom to up, described second installation portion 12 is located between described first installation portion 11, described 3rd installation portion 13, and described first installation portion 11, described second installation portion 12, described 3rd installation portion 13 are parallel to each other and are intervally installed.

Described oil water separator 4 is installed on the framework between described first installation portion 11, described 3rd installation portion 13, described first installation portion 11 has the first buck plate 14, described first buck plate 14 is equiped with suction pump 5, and described suction pump 5 adopts pipeline to be connected to the delivery port of described filter 2.

Described second installation portion 12 has the second buck plate 15, and described filter 2 is installed on described second buck plate 15, and described filter 2 is positioned at the side of described oil water separator 4; Described second buck plate 15 is separately equiped with back water pump 6, described back water pump 6 is installed between described filter 2 and described oil water separator 4, described back water pump 6 is connected between the recoil mouth of described filter 2, described water purification adjutage 422 by pipeline, and the pipeline between described back water pump 6 and the recoil mouth of described filter 2 is arranged with water purification outlet pipe 60.

Described 3rd installation portion 13 has the 3rd buck plate 16, described centrifuge 3 is installed on described 3rd buck plate 16, described centrifuge 3 is provided with and the foreign material of filtration is disposed to outside outlet, certainly, described centrifuge 3 also can not set out mouth, now can arrange movable top lid on described centrifuge 3, when needing to clear up the foreign material in described centrifuge 3, upper cover is opened, cleans out foreign material.

Described centrifuge 3 is positioned at the top of described oil water separator 4, and the soiling solution processed through described centrifuge 3 is flow to more easily in described oil water separator 4 under the blessing effect of gravity; Certainly, cutting fluid, through the operation of described centrifuge 3 centrifugal treating, is also carried out pre-layering to the You Heshui in cutting fluid, is focused on upper strata by the oil in cutting fluid, and water level is in the lower floor of cutting fluid, and auxiliary described oil water separator 4 carries out oil removing work further.

The lower end of described support body 1 is equiped with multiple roller 17, described device for filtering cutting fluid is facilitated to move around between the different positions, in the present embodiment, four corners of the bottom surface of described support body 1 are all equiped with roller 17 described in, certainly, those skilled in the art can change described roller 17 into universal wheel as required.

The upper end of described support body 1 is equiped with pull bar 18, described pull bar 18 can make different structures, such as, the framework both sides difference projection mounting blocks 181 outwardly of described support body 1 upper end, be installed in the cross bar 182 described in two between mounting blocks 181, when the mobile described device for filtering cutting fluid of needs, user pulls described cross bar 182, and then coordinates described roller 17 to operate.

Described support body 1 can be encapsulated by metallic plate by those skilled in the art as required, prevent element wherein from falling into dust, also avoid staff to touch element in described support body 1 accidentally, cause work hidden danger, the being designed beautifully property of product can also be increased simultaneously.

Refer to shown in Fig. 4 and Fig. 5, the water inlet of described oil water separator 4 is connected to the delivery port of described centrifuge 3 by pipeline, described oil water separator 4 comprises the first casing 41 and the second casing 42, described first casing 41 and described second casing 42 communicate with each other, the diapire of described first casing 41 is equiped with except water pipe 410, and the described water pipe 410 that removes is equiped with check valve (not shown).

Described first casing 41 is provided with the first dividing plate 411 and second partition 412 that are intervally installed, described first dividing plate 411 is roughly in tabular, described first dividing plate 411 forms towards the extension of diapire (not shown) direction from the roof (not shown) of described first casing 41, be provided with gap between the diapire of described first dividing plate 411 and described first casing 41, described gap makes cutting fluid flow through described first dividing plate 411; Be provided with breach 4110 between the roof of described first dividing plate 411 and described first casing 41, described breach 4110, higher than the top of described second partition 412, seals between the both sides of described first dividing plate 411 and the sidewall of described first casing 41, does not establish gap.Gap is provided with between the roof ensureing described first dividing plate 411 and described first casing 41 by arranging described breach 4110, when cutting fluid liquid level rises to described breach 4110, cutting fluid flows through described first dividing plate 411 with the sump oil on upper strata by described breach 4110.

Certainly, as required, described first dividing plate 411 also can to extend towards another sidewall relative with above-mentioned sidewall from the sidewall of described first casing 41 and forms by those skilled in the art, now also to ensure, between described first dividing plate 411 and described diapire, there is gap, between described first dividing plate 411 and described roof, there is gap.

Described second partition 412 is roughly in tabular, described second partition 412 extends towards the direction of roof from the diapire of described first casing 41 and forms, gap is provided with between the roof of described second partition 412 and described first casing 41, described second partition 412 seals with the diapire of described first casing 41, do not establish gap, receiving space in first casing 41 is separated by described second partition 412, the receiving space lower end of second partition 412 both sides is not communicated with each other, in order to discharge the surplus liquid in described first casing 41, on the diapire of described second partition 412 both sides, all installing is described except water pipe 410.

Certainly, gap slightly can be provided with as required between the diapire of described second partition 412 and described first casing 41, now, the receiving space lower end of second partition 412 both sides is communicated with by above-mentioned gap, only need install on the diapire of described first casing 41 described in one except water pipe 410.Certainly, those skilled in the art also can be as required, described second partition 412 to be extended towards sidewall on the other side from the sidewall of described first casing 41 and forms, between the roof that now need ensure described second partition 412 and described first casing 41 equally, there is gap.

Described first dividing plate 411 is provided with kink 4111, kink 4111 is near the diapire of described first casing 41, described kink 4111 is away from described second partition 412, described kink 4111 roughly bends 30 °, setting like this, make the gap between described first dividing plate 411 and described second partition 412 have a larger enlarging, cutting fluid enters above-mentioned gap in time by this enlarging and then flows through described second partition 412.

Because the density of the density ratio water of oil is little, oil is on the upper strata of cutting fluid, water is in the lower floor of cutting fluid, the oil on described first dividing plate 411 pairs of cutting fluid upper stratas keeps off extremely, gap between first dividing plate 411 and the diapire of the first casing 41 is less, cutting fluid liquid level between the bottom of the first dividing plate 411 and diapire is lower, because sump oil is positioned at cutting fluid upper strata, the sump oil that the first dividing plate 411 keeps off extremely is more.

The water of cutting fluid lower floor flows through the top of described second partition 412 through the gap between the first dividing plate 411, second partition 412, gap between first dividing plate 411 and second partition 412 is less, cutting fluid liquid level will sooner more than the bottom of the first dividing plate 411, sump oil is positioned at cutting fluid upper strata, and the sump oil flowing through the first dividing plate 411 is fewer.

The cutting fluid liquid level flowing through second partition 412 continues to rise, because breach 4110 is higher than the top of described second partition 412, the cutting fluid upper strata sump oil that described first dividing plate 411 is isolated continues by described first dividing plate 411 block, until the liquid level of cutting fluid is higher than described breach 4110, just flowed through described first dividing plate 411 by the sump oil that described first dividing plate 411 is isolated.

When described first dividing plate 411 from the sidewall of described first casing 41 towards another sidewall relative with above-mentioned sidewall extend form time, between the roof of described first dividing plate 411 and described first casing 41, there is gap, between the diapire of described first dividing plate 411 and described first casing 41, there is gap, now should ensure the top of top higher than described second partition 412 of described first dividing plate 411.

Refer to shown in Fig. 4, Fig. 5 and Fig. 7, described first casing 41 is provided with and is communicated to the first outside discharge member 413, and described first discharge member 413 discharges described device for filtering cutting fluid for the sump oil leached by described oil water separator 4.Described first discharge member 413 comprises the first delivery pipe 4131, extension 4132 and switch 4133, described first delivery pipe 4131 comprises fixed part 4134 and extension 4135, described extension 4135 forms from vertical extension of described fixed part 4134, described fixed part 4134 is installed in the sidewall of described first casing 41, and it is inner that described extension 4135 is located at described first casing 41.

Described extension 4132 is hollow, roughly in funnel-form, described extension 4132 comprises bottom 4136 and top 4137, described bottom 4136 is installed on described extension 4135, the size on described top 4137 is greater than the size of described bottom 4136, and described top 4137 is higher than described breach 4110, if described top 4137 is lower than described first breach 4110, namely the liquid level of cutting fluid can be discharged by described first discharge member 413 before rising to described breach 4110, and described oil water separator 4 will lose oil strain effect.

The size on described top 4137 is greater than the size of described bottom 4136, can ensure that described top 4137 has larger contact area with the sump oil on cutting fluid upper strata, ensures described extension 4132 energy quick collection sump oil, improves the discharge efficiency of sump oil.

Described switch 4133 is arranged on described fixed part 4134, and described switch 4133 is located at outside described first casing 41, when described device for filtering cutting fluid work, described switch 4133 is manually turned on by staff, certainly, also described switch 4133 can be arranged to automatic mode as required, during described device for filtering cutting fluid work, described switch 4133 is opened automatically; When described device for filtering cutting fluid quits work, described switch 4133 cuts out automatically.

Certainly, described first discharge member 413 also can be arranged to other form by those skilled in the art according to specific needs, such as, described first discharge member 413 comprises oil collection box (not shown) and oil exit pipe (not shown), it is rectangular-shaped that described oil collection box is roughly the hollow with upper port, described upper port is higher than described breach 4110, described oil collection box is installed on the sidewall of described first casing 41 inside, one end of described oil exit pipe is communicated to described oil collection box inside, and the other end is communicated to the outside of described first casing 41.

Refer to shown in Fig. 5, described first casing 41 also comprises the transition box 414 from sidewall projection towards the outside, described transition box 414 is located at the side closed on described first discharge member 413, described transition box 414 extends to roof from the diapire of described first casing 41, the lower end of the sidewall of described first casing 41 is provided with the perforate 415 be communicated with described transition box 414, described perforate 415 is lower than the top of described second partition 412, preferably, the bottom of the sidewall of described first casing 41 is located in described perforate 415, now, because sump oil is positioned at the upper strata of cutting fluid, the water of cutting fluid lower floor pours in described transition box 414 from described perforate 415.

Described transition box 414 comprises rebound 4141 and installing plate 4142, described rebound 4141 is as a wherein sidewall of described transition box 414, gap is provided with between the roof of described rebound 4141 and described first casing 41, described installing plate 4142 is located at the top of described rebound 4141, described installing plate 4142 is connected with described rebound 4141 is vertical, described installing plate 4142 is for closing the accommodation space of described transition box 414 inside, described installing plate 4142 offers through hole 4143, and the second discharge member 4144 is installed in described through hole 4143.

The top of described second discharge member 4144 is lower than the described top 4137 of described extension 4132, the water pouring in the cutting fluid lower floor in described transition box 414 is constantly discharged by the top of described second discharge member 4144, because sump oil is positioned at the upper strata of cutting fluid, the thickness of cutting fluid upper strata sump oil will continue to increase, after sump oil layer rises to described top 4137, namely discharge by described first discharge member 413.When the top of described second discharge member 4144 is higher than described top 4137, the water of sump oil and cutting fluid lower floor will discharge described first casing 413 by described first discharge member 413 together, and described oil water separator 4 will lose oil strain effect.

The extreme lower position on the top of described second discharge member 4144 is higher than described breach 4110, ensure to be flow through described first dividing plate 411 by the sump oil that described first dividing plate 411 is isolated, if the top of described second discharge member 4144 is lower than described breach 4110, the top that the cutting fluid after sump oil flows through described second partition 412 is filtered by described first dividing plate 411, discharge described first casing 41 by described second discharge member 4144 again, just can not be flow through described first dividing plate 411 by the sump oil that described first dividing plate 411 is isolated.

The water of the cutting fluid lower floor that described second discharge member 4144 is gushed out flows into described second casing 42 again, described second discharge member 4144 is roughly in hollow cylindrical, described second discharge member 4144 can be installed on described through hole 4143 by various mode, such as, described through hole 4143 is set to screwed hole, one end of described second discharge member 4144 is processed with screw thread, described second discharge member 4144 is threaded connection and is assemblied in described through hole 4143, conveniently rotate described second discharge member 4144, the other end of described second discharge member 4144 also can set up the transverse slat 4145 across center, staff can rotate described second discharge member 4144 by pinching described transverse slat 4145, and then described second discharge member 4144 is fixed in described through hole 4143.This mode according to specific needs, the height of the top of described second discharge member 4144 to the diapire of described first casing 41 can also be changed by rotating, need guarantee that the extreme higher position on the top of described second discharge member 4144 is lower than described top 4137, the extreme lower position on the top of described second discharge member 4144 is higher than described breach 4110, the thickness regulating cutting fluid upper strata sump oil layer can be realized, the distance namely between the second discharge member 4144 to top 4137.

Refer to shown in Fig. 6, described second casing 42 is roughly in rectangular-shaped, described second casing 42 is attached at described rebound 4141, described second casing 42 is provided with opening 421, gap between described opening 421 and the roof of described rebound 4141, described first casing 41 is communicated with, and the water that described second discharge member 4144 is discharged is poured in described second casing 42 by described opening 421.

Refer to Fig. 1, shown in Fig. 3 and Fig. 4, the diapire of described second casing 42 is equiped with described water purification adjutage 422, the described water pipe 410 that removes is communicated with described water purification adjutage 422, described except water pipe 410 after connection, described water purification adjutage 422 is connected to the water inlet of described back water pump 6 again by pipeline, described except water pipe 410 after connection, described water purification adjutage 422 is also provided with and is communicated to outside discharge outlet (not shown), described discharge outlet is also provided with check valve, when not using described device for filtering cutting fluid, open the check valve of described discharge outlet, close the described check valve except water pipe 410, by described discharge outlet, the residue raffinate in described device for filtering cutting fluid is discharged.

The diapire of described second casing 42 is separately provided with drainpipe 423, described drainpipe 423 extends towards roof direction from the diapire of described second casing 42, described drainpipe 423 is near the roof of described second casing 42, and and be provided with gap between the roof of described second casing 42, when described back water pump 6 breaks down or blocks, the water in described second casing 42 is discharged by described drainpipe 423.

As required, those skilled in the art also can install ozone generator (not shown) on described support body 1, such as, described ozone generator is arranged on described 3rd installing plate 16, ozone generator produce ozone by pipeline communication to venturi body (not shown), the cutting fluid that described second casing 42 is discharged also is connected to venturi body, ozone fully mixes in venturi body with cutting fluid, utilize ozone to kill the microorganisms such as the bacterium in cutting fluid, mixed cutting fluid discharges described device for filtering cutting fluid by water purification outlet pipe 60 again.

Certainly, those skilled in the art also can set up aerator, such as, aerator is arranged on the diapire of described first casing 41, produces bubble by described aerator, bubble rises to roof from the diapire of described first casing 41 in cutting fluid, in the uphill process of bubble, the sump oil in cutting fluid and fine particle are attached to bubble surface, are brought to the upper surface of cutting fluid by bubble, discharged by the first discharge member 413 again, make described device for filtering cutting fluid deoiling effect better.

Device for filtering cutting fluid work flow of the present invention is as described below:

The present invention can process various soiling solution, such as the cutting fluid of various lathe, the cutting fluid of lathe mostly needs to recycle, and the sump oil on cutting fluid upper strata and floating thing many, can by the part on described device for filtering cutting fluid preferred process cutting fluid upper strata, now flexible pipe (not shown) one end is connected to soiling solution water inlet pipe 50, the other end of flexible pipe is fixed to ball float, utilize the buoyancy of ball float that the port of the flexible pipe other end is located at cutting fluid upper strata, preferential upper strata of drawing cutting fluid.Certainly, also the other end of flexible pipe can be mixed balancing weight and directly put into cutting fluid.

Now start described suction pump 5, described suction pump 5 is positioned at described filter 2 rear end, prevent the foreign material in cutting fluid from damaging suction pump 5, suction pump 5 forms negative pressure and then extracts cutting fluid in described filter 2, cutting fluid enters described filter 2 by described soiling solution water inlet pipe 50, and described filter 2 can adopt various forms, such as backwash filter, described filter 2 filters for cutting fluid, solid particle foreign material larger in filtering cutting fluid.

Cutting fluid after described filter 2 filters is delivered to described centrifuge 3 again; described centrifuge 3 carefully filters for cutting fluid; by the fine particle foreign material filtering in cutting fluid; certainly; described centrifuge 3 also carries out pre-layering to cutting fluid, and namely sump oil is positioned at cutting fluid upper strata, and water level is in lower floor; through described filter 2, described centrifuge 3 twice filter progress, by clean for basic for the solid particle in cutting fluid filtering.

Cutting fluid after described centrifuge 3 processes is delivered to described oil water separator 4 again, the side on the top of described first casing 41 is provided with oral siphon (not shown), the delivery port of described centrifuge 3 is connected to described oral siphon, described oral siphon can be communicated with described first casing 41 by interconnecting device (not shown), cutting fluid flows in described first casing 41 through described interconnecting device, ensure that the cutting fluid flowed in described first casing 41 has lower flow velocity, make cutting fluid stay longer in described first casing 41, allow sump oil in cutting fluid as far as possible floating to the upper strata of cutting fluid, ensure that described first casing 41 has better oil strain effect.

Cutting fluid enters described first casing 41, the most sump oil in cutting fluid upper strata is stopped by described first dividing plate 411, namely behind the bottom of cutting fluid liquid level more than the first dividing plate 411, the sump oil on cutting fluid upper strata is kept off extremely by the first dividing plate 411, the water of cutting fluid lower floor is through described first dividing plate 411, described second partition 412 is flow through in gap between described second partition 412, along with the rising gradually of cutting fluid liquid level, because described breach 4110 is higher than the top of described second partition 412, sump oil continues to be kept off extremely by described first dividing plate 411, the cutting fluid (major part is water) of filtering major part sump oil pours in described transition box 414 through described perforate 415.

Liquid level in described first casing 41 continues to rise, after liquid level is increased beyond described breach 4110, described first dividing plate 411 is crossed by the first dividing plate 411 sump oil kept off extremely, after liquid level rises to the top of described second discharge member 4144, the water of cutting fluid lower floor discharges described first casing 41 by described second discharge member 4144, because sump oil is positioned at the upper strata of cutting fluid, along with described second discharge member 4144 does not stop the water discharging cutting fluid lower floor, the first casing 41 is constantly flowed into stylish cutting fluid, thus the thickness of the sump oil layer on the cutting fluid upper strata in the first casing 41 is increased gradually, when sump oil layer rises to the top of described first discharge member 413, the sump oil on cutting fluid upper strata discharges described oil water separator 4 through described first discharge member 413.

The water of the cutting fluid lower floor that described second discharge member 4144 is gushed out flows into described second casing 42 through described opening 421, now, the described closed check valve except water pipe 410, water flows out through described water purification adjutage 422, again by the extraction of described back water pump 6, last water is discharged through described water purification outlet pipe 60; In order to increase the effect of described first casing 41 filtering sump oil, in described first casing 41, multiple described first dividing plate 411, multiple described second partition 412 can be set up.

Described filter 2 can install pressure control device, when the water inlet of described filter 2 and delivery port pressure differential reach preset value, described suction pump 5 stops, the described closed check valve except water pipe 410, the closed check valve of described water purification outlet pipe 60, the water that described back water pump 6 extracts in described second casing 42 carries out backwash to described filter 2, the now closed check valve of described soiling solution water inlet pipe 50, foreign material after the backwash of described filter 2 are delivered to described centrifuge 3, foreign material discharge described first casing 41 by described centrifuge 3, after the backwash of described filter 2 completes, the described closed check valve except water pipe 410, the one-way valve opens of described water purification outlet pipe 60, described suction pump 5 starts, described device for filtering cutting fluid restarts work.

Certainly, described filter 2 also can be set to timing backwash by those skilled in the art, and such as, described filter 2 just starts backwash every half an hour, and after backwash completes, described device for filtering cutting fluid restarts work.

The soiling solution such as cooling fluid, cutting fluid of the lathe in mechanical processing process or relevant device is flowed through filter, centrifuge and oil water separator by the present invention successively, the various foreign material such as iron filings, dust, sump oil respectively in filtering soiling solution, guarantee cutting fluid is clean, extends the service life of cutting fluid.

Known the present invention has above-described good characteristic in sum, is made it in use, promotes in conventional art the usefulness that do not have and has practicality, becoming the product that has practical value.

Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.

Claims (10)

1. an oil water separator, the second casing comprising the first casing and be communicated with the first casing, what be connected to described first casing diapire removes water pipe, be connected to the water purification adjutage of described second casing diapire, it is characterized in that: described first casing is provided with spaced first dividing plate and second partition, first dividing plate, all have gap between second partition and the roof of the first casing, the top of described first dividing plate is higher than the top of described second partition; Described first casing is provided with and is communicated to the first outside discharge member and the second discharge member, and the top of described first discharge member is higher than the top of described first dividing plate, and the top of described second discharge member is lower than the top of described first discharge member.

2. oil water separator according to claim 1, it is characterized in that: described first dividing plate forms towards the extension of diapire direction from the roof of described first casing, be provided with gap between the diapire of described first dividing plate and described first casing, between the part on the top of described first dividing plate and the roof of described first casing, be provided with gap.

3. according to the oil water separator described in claim 2, it is characterized in that: described first dividing plate is provided with kink, kink is near the diapire of described first casing, and described kink is away from described second partition.

4. oil water separator according to claim 1, is characterized in that: described second partition extends towards the direction of roof from the diapire of described first casing and forms, and is provided with gap between the roof of described second partition and described first casing.

5. oil water separator according to claim 1, is characterized in that: described first discharge member comprises the first delivery pipe, extension and switch; Described first delivery pipe comprises fixed part and extension, and described extension vertically extends from described fixed part and forms, and described fixed part is installed in the sidewall of described first casing, and described extension is located in described first casing; Described extension is hollow, and described extension comprises bottom and top, and the size on described top is greater than the size of described bottom, and described bottom is installed in described extension; Described switch is installed in described fixed part and is located at outside described first casing.

6. oil water separator according to claim 1, it is characterized in that: described first casing also comprises the transition box from sidewall projection towards the outside, described transition box extends to roof from the diapire of described first casing, and the lower end of the sidewall of described first casing is provided with the perforate be communicated with described transition box; Described transition box comprises rebound and installing plate, and described rebound, as the sidewall of described transition box, is provided with gap between the roof of described rebound and described first casing; Described installing plate is located at the top of described rebound, and described installing plate is connected with described rebound is vertical, and described installing plate closes the accommodation space in described transition box; Described installing plate is provided with through hole, and described second discharge member is installed in described through hole.

7. oil water separator according to claim 6, is characterized in that: described second casing is attached at described rebound, and described second casing is provided with opening, and the gap between described opening and the roof of described rebound, described first casing is communicated with; The diapire of described second casing is equiped with drainpipe, and described drainpipe extends towards roof direction from the diapire of described second casing, and be provided with gap between the roof of described drainpipe and described second casing, described drainpipe is higher than the top of described second discharge member.

8. a device for filtering cutting fluid, it is characterized in that: comprise support body, be installed in the filter of described support body, centrifuge and the described oil water separator of power any one of 1 to 7, be connected to the soiling solution water inlet pipe of described filter, one end of described centrifuge is connected to described filter through pipeline, the other end of described centrifuge is connected to described oil water separator through pipeline, described except water pipe, described water purification adjutage be communicated with after be connected to described filter again.

9. device for filtering cutting fluid according to claim 8, it is characterized in that: described support body is divided into the first installation portion, the second installation portion and the 3rd installation portion from bottom to up, described second installation portion is located between described first installation portion, described 3rd installation portion, and described first installation portion, described second installation portion, described 3rd installation portion are parallel to each other and are intervally installed; Described oil water separator is installed between described first installation portion, described 3rd installation portion; Described centrifuge is installed in described 3rd installation portion, and described centrifuge is positioned at above described oil water separator; Described filter installment is in described second installation portion, and described filter bits is in the side of described oil water separator; The bottom surface of described support body is equiped with multiple roller, and the upper end of described support body is equiped with pull bar.

10. device for filtering cutting fluid according to claim 9, it is characterized in that: described device for filtering cutting fluid also comprises the back water pump being installed in described second installation portion, described back water pump is installed between described filter and described oil water separator, the two ends of described back water pump connect described filter, described oil water separator respectively by pipeline, and the pipeline between described back water pump and described filter is arranged with water purification outlet pipe; Describedly be equipped with check valve except water pipe and described water purification adjutage, described except water purification adjutage described in cross current, described after connection removes water pipe, described water purification adjutage is connected to described back water pump by pipeline again.