CN109569084B - Negative pressure filtering device for filtering cutting fluid - Google Patents
Negative pressure filtering device for filtering cutting fluid Download PDFInfo
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- CN109569084B CN109569084B CN201811632041.7A CN201811632041A CN109569084B CN 109569084 B CN109569084 B CN 109569084B CN 201811632041 A CN201811632041 A CN 201811632041A CN 109569084 B CN109569084 B CN 109569084B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
- B01D36/006—Purge means
Abstract
The invention discloses a negative pressure filtering device for filtering cutting fluid, which is a negative pressure circulating belt filter; the negative pressure circulating belt filter is provided with a liquid purifying cavity and a filter paper unreeling device; the liquid purifying cavity is provided with a floating oil collecting device; the filter paper unwinding device is equipped with a non-paper monitoring device. The negative pressure filtering device is a negative pressure circulating belt filter, can filter out metal debris in the cutting fluid containing chips, and can also remove floating oil in the liquid purifying cavity; and be equipped with no paper monitoring devices, can monitor whether filter paper is used up, unreel when the filter paper coil stock and accomplish the back, can outwards send out the paper shortage signal, remind the workman to supply filter paper.
Description
Technical Field
The invention relates to a negative pressure filtering device for filtering cutting fluid.
Background
The lathe can produce metal chipping in the course of the work, and metal chipping and cutting fluid can be exported by the lathe liquid outlet, and the bits cutting fluid that contains of output needs to be retrieved to the retrieval and utilization. Before the metal chips in the chip-containing cutting fluid are recycled, the metal chips need to be filtered. In addition, the cutting fluid also contains waste oil such as machine tool guide lubricating oil, and the waste oil needs to be removed as much as possible.
At present, a negative pressure filtering device is often adopted to filter the cutting fluid containing the scraps, such as a negative pressure circulating belt filter. The negative pressure circulating belt filter comprises a main shell, wherein a dirty liquid cavity is arranged at the upper part in the main shell, and a clean liquid cavity is arranged at the lower part in the main shell; the dirty liquid cavity is provided with a filter paper filtering mechanism and a circulating filter belt filtering mechanism; the filter paper filtering mechanism comprises: the device comprises a filter paper unreeling device, filter paper and a waste paper reeling device; the circulating filter belt filtering mechanism comprises: the circulating filter belt and a driving device for driving the circulating filter belt to drive. The negative pressure circulating belt filter filters the chip-containing cutting fluid through the filter paper and the circulating filter belt, metal chips in the chip-containing cutting fluid can be filtered, and the filtered cutting fluid is stored in the fluid purifying cavity.
Although the existing negative pressure circulating belt filter can also filter part of waste oil in the chip-containing cutting fluid, floating oil still exists in the fluid purifying cavity, and if the liquid level in the fluid purifying cavity is covered by the floating oil for a long time, the performance of the cutting fluid is affected, so that the floating oil on the liquid level in the fluid purifying cavity needs to be recovered.
In addition, the filter paper used by the negative pressure circulating belt filter is a consumable product, and whether the filter paper is used up or not needs to be monitored in real time.
Disclosure of Invention
The invention aims to provide a negative pressure filtering device for filtering cutting fluid, which is a negative pressure circulating belt filter, can filter metal debris in the cutting fluid containing chips and can also remove floating oil in a clean fluid cavity; and be equipped with no paper monitoring devices, can monitor whether filter paper is used up, unreel when the filter paper coil stock and accomplish the back, can outwards send out the paper shortage signal, remind the workman to supply filter paper.
In order to achieve the purpose, the technical scheme of the invention is to design a negative pressure filtering device for filtering cutting fluid, wherein the negative pressure filtering device is a negative pressure circulating belt filter; the negative pressure circulating belt filter comprises a main shell; a dirty liquid cavity is arranged at the upper part in the main shell, and a clean liquid cavity is arranged at the lower part in the main shell; the dirty liquid cavity is provided with a filter paper filtering mechanism and a circulating filter belt filtering mechanism; the filter paper filtering mechanism comprises: the device comprises a filter paper unreeling device, filter paper and a waste paper reeling device; the circulating filter belt filtering mechanism comprises: the circulating filter belt and a driving device for driving the circulating filter belt to transmit; the negative pressure circulating belt filter filters the chip-containing cutting fluid through filter paper and a circulating filter belt, and the filtered cutting fluid is stored in the fluid purifying cavity;
the bottom wall of the liquid purifying cavity is externally connected with a liquid purifying conveying pipe, a liquid purifying suction pump is arranged on the liquid purifying conveying pipe, and the liquid purifying conveying pipe is used for conveying the purified liquid in the liquid purifying cavity to the outside; the liquid purifying cavity is also provided with a floating oil collecting device; the floating oil collecting device comprises a liquid purifying cavity body: the vertical inner barrel with the upward barrel opening and the vertical outer barrel which is sleeved on the barrel wall of the inner barrel and has the downward barrel opening are arranged on the inner barrel; the outer barrel and the inner barrel share the axis, and the barrel wall of the outer barrel is in sliding fit with the barrel wall of the inner barrel; the axial length of the inner barrel wall is smaller than that of the outer barrel wall; the axial length of the wall of the outer barrel is smaller than the vertical distance between the bottom of the inner barrel and the bottom wall of the liquid purifying cavity; a sealing ring is arranged between the wall of the outer barrel and the wall of the inner barrel, an annular mounting groove for mounting the sealing ring is arranged on the peripheral surface of the wall of the inner barrel, the annular mounting groove and the inner barrel share the same axis, and the sealing ring is fixed in the annular mounting groove; the bottom of the outer barrel is provided with a floating plate, and the floating plate is provided with a vertical through hole; the bottom of the inner barrel is provided with a liquid outlet, the liquid outlet is externally connected with a vertically arranged liquid outlet pipe, and the inner barrel is supported by the liquid outlet pipe; the liquid outlet pipe penetrates through the bottom wall of the liquid purifying cavity and is supported by the bottom wall of the liquid purifying cavity; the top wall of the dirty liquid cavity is also provided with a liquid return input port; the bottom end of the liquid outlet pipe is communicated with a liquid return input port through a liquid return pipe, and a liquid return pump is arranged on the liquid return pipe;
the filter paper unwinding device includes: an unwinding roller for supporting the filter paper roll; the filter paper unreeling device is also provided with a paper-free monitoring device; the paperless monitoring device comprises: the paper filter paper roll unwinding device comprises a horizontally-arranged pressure lever, a shaft sleeve, a pressing wheel, a first convex ring, a compression spring, a second convex ring and a contact switch, wherein the horizontally-arranged pressure lever is arranged on one side of an unwinding roller, is positioned on the same plane with the unwinding roller and is vertical to the unwinding roller; one end of the pressure lever is the end of the pressure lever facing the unwinding roller; the rotating shaft of the pinch roller is parallel to the unwinding roller; the first convex ring and the second convex ring are coaxial with the compression bar; the contact switch is positioned at one end of the shaft sleeve, and one end of the shaft sleeve is the end of the shaft sleeve facing the second convex ring; the outer diameter of the second convex ring is larger than that of the shaft sleeve; after the filter paper coil on the unwinding roller is unwound, the pressing wheel is abutted against the unwinding roller; when the pressing wheel is abutted against the unwinding roller, the second convex ring is abutted against one end of the shaft sleeve; and when the second convex ring is abutted against one end of the shaft sleeve, the second convex ring triggers the contact switch to send a trigger signal outwards, and the trigger signal is used as a paper shortage signal.
Preferably, the annular mounting groove is positioned at the top end of the inner barrel.
Preferably, the main shell is further provided with an alarm device, and the alarm device is triggered to alarm by the trigger signal.
The invention has the advantages and beneficial effects that: the negative pressure filtering device is a negative pressure circulating belt filter, can filter metal debris in the cutting fluid containing chips and can also remove floating oil in a liquid purifying cavity; and be equipped with no paper monitoring devices, can monitor whether filter paper is used up, unreel when the filter paper coil stock and accomplish the back, can outwards send out the paper shortage signal, remind the workman to supply filter paper.
The chip-containing cutting fluid is input into a dirty fluid cavity of the negative pressure circulating belt filter, the dirty fluid cavity is provided with a filter paper filtering mechanism and a circulating filter belt filtering mechanism, metal chips and partial waste oil in the chip-containing cutting fluid can be filtered, the filtered clean fluid flows into a clean fluid cavity, a clean fluid suction pump extracts the clean fluid in the clean fluid cavity, and the clean fluid is sent into a fluid tank of the machine tool through a clean fluid conveying pipe, so that the filtered cutting fluid is recycled.
As described in the background art, the cutting fluid in the clean fluid cavity of the negative pressure circulation belt filter still contains some waste oil, the waste oil forms floating oil in the clean fluid cavity, and the floating oil collecting device can further remove the floating oil in the clean fluid cavity.
When the liquid level in the liquid purification cavity reaches the following height, a liquid return pump is started: the liquid level of the liquid purification cavity is higher than the barrel opening of the inner barrel; the vertical distance between the liquid level of the liquid purifying cavity and the opening of the inner barrel is larger than the thickness of the bottom of the outer barrel; the vertical distance between the liquid level of the liquid purification cavity and the bottom of the inner barrel is smaller than the axial length of the wall of the outer barrel;
when the liquid return pump is started, the space surrounded by the outer barrel and the inner barrel is filled with liquid, and the floating plate (namely the barrel bottom of the outer barrel) is in a state of being lifted by the liquid;
after the liquid return pump is started, the liquid return pump continuously pumps liquid from the inner barrel through the liquid outlet pipe, the floating plate moves downwards, and floating oil on the liquid surface of the liquid purification cavity continuously flows into the outer barrel through the through hole on the top surface of the floating plate, so that the recovery of the floating oil on the liquid surface of the liquid purification cavity is realized; the recovered floating oil is sent into the dirty liquid cavity of the negative pressure circulating belt filter through the liquid return pipe and can be filtered again by the filter paper and the circulating filter belt.
The filter paper unwinding device is provided with a paper-free monitoring device, can monitor whether the filter paper is used up, and can send a paper-out signal outwards after the filter paper coil stock is unwound, so as to remind workers to replenish the filter paper.
Under the action of a compression spring, a pressing wheel is always pressed on a filter paper coil stock, the radius of the filter paper coil stock is gradually reduced in the unreeling process of the filter paper coil stock, the pressing wheel is gradually close to an unreeling roller, a second convex ring is gradually close to one end of the shaft sleeve (namely the second convex ring is gradually close to a contact switch), and the pressing wheel is abutted against the unreeling roller after the unreeling of the filter paper coil stock on the unreeling roller is finished; when the pinch roller is abutted to the unwinding roller, the second convex ring is abutted to one end of the shaft sleeve (namely the second convex ring is abutted to the contact switch), and the second convex ring triggers the contact switch to send a trigger signal outwards so as to take the trigger signal as a paper shortage signal.
Drawings
FIG. 1 is a schematic view of a clean liquid chamber and a floating oil collection device;
fig. 2 is a schematic view of a paperless monitoring device.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 and 2, a negative pressure filtering device for filtering cutting fluid, which is a negative pressure circulating belt filter; the negative pressure circulating belt filter comprises a main shell; a dirty liquid cavity is arranged at the upper part in the main shell, and a clean liquid cavity 100 is arranged at the lower part in the main shell; the dirty liquid cavity is provided with a filter paper filtering mechanism and a circulating filter belt filtering mechanism; the filter paper filtering mechanism comprises: the device comprises a filter paper unreeling device, filter paper and a waste paper reeling device; the circulating filter belt filtering mechanism comprises: the circulating filter belt and a driving device for driving the circulating filter belt to transmit; the negative pressure circulating belt filter filters the chip-containing cutting fluid through filter paper and a circulating filter belt, and the filtered cutting fluid is stored in the fluid purifying cavity 100;
the bottom wall of the liquid purification cavity 100 is externally connected with a liquid purification conveying pipe 200, a liquid purification suction pump 201 is arranged on the liquid purification conveying pipe 200, and the liquid purification conveying pipe 200 is used for conveying the liquid purification in the liquid purification cavity 100 to the outside; the liquid purification cavity 100 is also provided with a floating oil collecting device 300; the floating oil collecting device 300 includes, in the clean liquid chamber 100: the vertical inner barrel 301 with the upward barrel opening and the vertical outer barrel 302 which is sleeved on the barrel wall of the inner barrel 301 and has the downward barrel opening are arranged; the outer barrel 302 and the inner barrel 301 are coaxial, and the barrel wall of the outer barrel 302 is in sliding fit with the barrel wall of the inner barrel 301; the axial length of the barrel wall of the inner barrel 301 is smaller than that of the outer barrel 302; the axial length of the wall of the outer barrel 302 is smaller than the vertical distance between the bottom of the inner barrel 301 and the bottom wall of the liquid purifying cavity 100; a sealing ring is further arranged between the wall of the outer barrel 302 and the wall of the inner barrel 301, an annular mounting groove for mounting the sealing ring is arranged on the peripheral surface of the wall of the inner barrel 301, the annular mounting groove and the inner barrel 301 are coaxial, and the sealing ring is fixed in the annular mounting groove; the bottom of the outer barrel 302 is provided with a floating plate 303, and the floating plate 303 is provided with a vertical through hole 304; the bottom of the inner barrel 301 is provided with a liquid outlet, the liquid outlet is externally connected with a vertically arranged liquid outlet pipe 305, and the inner barrel 301 is supported by the liquid outlet pipe 305; liquid outlet pipe 305 penetrates through the bottom wall of liquid purifying cavity 100, and liquid outlet pipe 305 is supported by the bottom wall of liquid purifying cavity 100; the top wall of the dirty liquid cavity is also provided with a liquid return input port; the bottom end of the liquid outlet pipe 305 is communicated with a liquid return input port through a liquid return pipe 400, and a liquid return pump 401 is arranged on the liquid return pipe 400;
the filter paper unwinding device includes: an unwinding roller 8 for supporting a filter paper roll 9; the filter paper unreeling device is also provided with a paper-free monitoring device; the paperless monitoring device comprises: the device comprises a horizontally-arranged pressure lever 1, a shaft sleeve 2, a pressing wheel 3, a first convex ring 4, a compression spring 5, a second convex ring 6 and a contact switch 7, wherein the horizontally-arranged pressure lever 1 is arranged on one side of an unwinding roller 8, is positioned on the same plane with the unwinding roller 8 and is vertical to the unwinding roller 8, the shaft sleeve 2 is sleeved on the pressure lever 1 and is penetrated through by the pressure lever 1, the pressing wheel 3 is hinged with one end of the pressure lever 1 and is pressed on a filter paper roll material 9, the first convex ring 4 is arranged on the pressure lever 1 and is positioned between the pressing wheel 3 and the shaft sleeve 2, the compression spring 5 is sleeved on the pressure lever 1 and is compressed between the first convex ring; one end of the pressure lever 1 is the end of the pressure lever 1 facing the unwinding roller 8; the rotating shaft of the pinch roller 3 is parallel to the unwinding roller 8; the first convex ring 4 and the second convex ring 6 are coaxial with the compression bar 1; the contact switch 7 is positioned at one end of the shaft sleeve 2, and one end of the shaft sleeve 2 is the end of the shaft sleeve 2 facing the second convex ring 6; the outer diameter of the second convex ring 6 is larger than that of the shaft sleeve 2; after the filter paper coil material 9 on the unwinding roller 8 is unwound, the pressing wheel 3 is abutted against the unwinding roller 8; when the pressing wheel 3 is abutted against the unwinding roller 8, the second convex ring 6 is abutted against one end of the shaft sleeve 2; and when the second convex ring 6 is abutted against one end of the shaft sleeve 2, the second convex ring 6 triggers the contact switch 7 to send a trigger signal outwards, and the trigger signal is used as a paper shortage signal.
Preferably, the annular mounting groove is located at the top end of the inner barrel 301.
Preferably, the main shell is further provided with an alarm device, and the alarm device is triggered to alarm by the trigger signal.
The negative pressure filtering device is a negative pressure circulating belt filter, can filter metal debris in the cutting fluid containing scraps, and can also remove floating oil in the liquid purifying cavity 100; and a paperless monitoring device is arranged, so that whether the filter paper is used up can be monitored, and when the unreeling of the filter paper roll material 9 is completed, a paper shortage signal can be sent outwards to remind workers of supplementing the filter paper.
The chip-containing cutting fluid is input into a dirty fluid cavity of the negative pressure circulating belt filter, the dirty fluid cavity is provided with a filter paper filtering mechanism and a circulating filter belt filtering mechanism, metal chips and partial waste oil in the chip-containing cutting fluid can be filtered, filtered clean fluid flows into the clean fluid cavity 100, the clean fluid in the clean fluid cavity 100 is pumped out by the clean fluid suction pump 201, and the clean fluid is sent into a fluid tank of a machine tool through the clean fluid conveying pipe 200, so that the filtered cutting fluid is recycled.
As described in the background art, the cutting fluid in the clean fluid chamber 100 of the negative pressure circulation belt filter still contains some waste oil, the waste oil forms floating oil in the clean fluid chamber 100, and the floating oil collecting device 300 can further remove the floating oil in the clean fluid chamber 100.
When the liquid level (not shown) in the clean liquid chamber 100 reaches the following height, the liquid return pump 401 is turned on: the liquid level of the liquid purifying cavity 100 is higher than the opening of the inner barrel 301; the vertical distance between the liquid level of the liquid purifying cavity 100 and the opening of the inner barrel 301 is larger than the thickness of the bottom of the outer barrel 302; the vertical distance between the liquid level of the liquid purifying cavity 100 and the bottom of the inner barrel 301 is smaller than the axial length of the barrel wall of the outer barrel 302;
when the liquid return pump 401 is turned on, the space surrounded by the outer barrel 302 and the inner barrel 301 is filled with liquid, and the floating plate 303 (i.e., the bottom of the outer barrel 302) is in a state of being lifted by the liquid;
after the liquid return pump 401 is started, the liquid return pump 401 continuously pumps liquid from the inner barrel 301 through the liquid outlet pipe 305, the floating plate 303 moves downwards, and floating oil on the liquid surface of the liquid purification cavity 100 continuously flows into the outer barrel 302 through the through hole 304 on the top surface of the floating plate 303, so that the recovery of the floating oil on the liquid surface of the liquid purification cavity 100 is realized; the recovered floating oil is sent into the dirty liquid cavity of the negative pressure circulating belt filter through the liquid return pipe 400 and can be filtered again by the filter paper and the circulating filter belt.
The filter paper unreeling device is provided with a paper-free monitoring device, whether the filter paper is used up or not can be monitored, and when the unreeling of the filter paper roll material 9 is completed, a paper-out signal can be sent outwards to remind workers of filter paper replenishment.
Under the action of the compression spring 5, the pressing wheel 3 is always pressed on the filter paper roll material 9, the radius of the filter paper roll material 9 is gradually reduced in the unreeling process of the filter paper roll material 9, the pressing wheel 3 gradually approaches the unreeling roller 8, the second convex ring 6 gradually approaches one end of the shaft sleeve 2 (namely the second convex ring 6 gradually approaches the contact switch 7), and after the unreeling of the filter paper roll material 9 on the unreeling roller 8 is finished, the pressing wheel 3 is abutted against the unreeling roller 8; when pinch roller 3 leaned on with unreeling roller 8 and leaned on, second bulge loop 6 leaned on with above-mentioned axle sleeve 2 one end (second bulge loop 6 leaned on with contact switch 7 promptly), and second bulge loop 6 triggers contact switch 7 and outwards sends trigger signal to this trigger signal is the signal of lacking paper.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (1)
1. A negative pressure filter device for filtering cutting fluid is a negative pressure circulating belt filter; the negative pressure circulating belt filter comprises a main shell; a dirty liquid cavity is arranged at the upper part in the main shell, and a clean liquid cavity is arranged at the lower part in the main shell; the dirty liquid cavity is provided with a filter paper filtering mechanism and a circulating filter belt filtering mechanism; the filter paper filtering mechanism comprises: the device comprises a filter paper unreeling device, filter paper and a waste paper reeling device; the circulating filter belt filtering mechanism comprises: the circulating filter belt and a driving device for driving the circulating filter belt to transmit; the negative pressure circulating belt filter filters the chip-containing cutting fluid through filter paper and a circulating filter belt, and the filtered cutting fluid is stored in the fluid purifying cavity; the method is characterized in that:
the bottom wall of the liquid purifying cavity is externally connected with a liquid purifying conveying pipe, a liquid purifying suction pump is arranged on the liquid purifying conveying pipe, and the liquid purifying conveying pipe is used for conveying the purified liquid in the liquid purifying cavity to the outside; the liquid purifying cavity is also provided with a floating oil collecting device; the floating oil collecting device comprises a liquid purifying cavity body: the vertical inner barrel with the upward barrel opening and the vertical outer barrel which is sleeved on the barrel wall of the inner barrel and has the downward barrel opening are arranged on the inner barrel; the outer barrel and the inner barrel share the axis, and the barrel wall of the outer barrel is in sliding fit with the barrel wall of the inner barrel; the axial length of the inner barrel wall is smaller than that of the outer barrel wall; the axial length of the wall of the outer barrel is smaller than the vertical distance between the bottom of the inner barrel and the bottom wall of the liquid purifying cavity; a sealing ring is arranged between the wall of the outer barrel and the wall of the inner barrel, an annular mounting groove for mounting the sealing ring is arranged on the peripheral surface of the wall of the inner barrel, the annular mounting groove is positioned at the top end of the inner barrel, the annular mounting groove and the inner barrel share the axis, and the sealing ring is fixed in the annular mounting groove; the bottom of the outer barrel is provided with a floating plate, and the floating plate is provided with a vertical through hole; the bottom of the inner barrel is provided with a liquid outlet, the liquid outlet is externally connected with a vertically arranged liquid outlet pipe, and the inner barrel is supported by the liquid outlet pipe; the liquid outlet pipe penetrates through the bottom wall of the liquid purifying cavity and is supported by the bottom wall of the liquid purifying cavity; the top wall of the dirty liquid cavity is also provided with a liquid return input port; the bottom end of the liquid outlet pipe is communicated with a liquid return input port through a liquid return pipe, and a liquid return pump is arranged on the liquid return pipe;
the filter paper unwinding device includes: an unwinding roller for supporting the filter paper roll; the filter paper unreeling device is also provided with a paper-free monitoring device; the paperless monitoring device comprises: the paper filter paper roll unwinding device comprises a horizontally-arranged pressure lever, a shaft sleeve, a pressing wheel, a first convex ring, a compression spring, a second convex ring and a contact switch, wherein the horizontally-arranged pressure lever is arranged on one side of an unwinding roller, is positioned on the same plane with the unwinding roller and is vertical to the unwinding roller; one end of the pressure lever is the end of the pressure lever facing the unwinding roller; the rotating shaft of the pinch roller is parallel to the unwinding roller; the first convex ring and the second convex ring are coaxial with the compression bar; the contact switch is positioned at one end of the shaft sleeve, and one end of the shaft sleeve is the end of the shaft sleeve facing the second convex ring; the outer diameter of the second convex ring is larger than that of the shaft sleeve; after the filter paper coil on the unwinding roller is unwound, the pressing wheel is abutted against the unwinding roller; when the pressing wheel is abutted against the unwinding roller, the second convex ring is abutted against one end of the shaft sleeve; when the second convex ring is abutted against one end of the shaft sleeve, the second convex ring triggers the contact switch to send a trigger signal outwards, and the trigger signal is used as a paper shortage signal; the main shell is also provided with an alarm device, and the alarm device triggers alarm by the trigger signal;
inputting the chip-containing cutting fluid into a dirty fluid cavity of a negative pressure circulating belt filter, wherein the dirty fluid cavity is provided with a filter paper filtering mechanism and a circulating filter belt filtering mechanism, filtering metal chips and partial waste oil in the chip-containing cutting fluid, enabling filtered clean fluid to flow into a clean fluid cavity, pumping out clean fluid in the clean fluid cavity by a clean fluid suction pump, and sending the clean fluid into a fluid tank of a machine tool through a clean fluid conveying pipe so as to recycle the filtered cutting fluid;
when the liquid level in the liquid purification cavity reaches the following height, a liquid return pump is started: the liquid level of the liquid purification cavity is higher than the barrel opening of the inner barrel; the vertical distance between the liquid level of the liquid purifying cavity and the opening of the inner barrel is larger than the thickness of the bottom of the outer barrel; the vertical distance between the liquid level of the liquid purification cavity and the bottom of the inner barrel is smaller than the axial length of the wall of the outer barrel;
when the liquid return pump is started, the space surrounded by the outer barrel and the inner barrel is filled with liquid, and the floating plate is in a state of being supported by the liquid;
after the liquid return pump is started, the liquid return pump continuously pumps liquid from the inner barrel through the liquid outlet pipe, the floating plate moves downwards, and floating oil on the liquid surface of the liquid purification cavity continuously flows into the outer barrel through the through hole on the top surface of the floating plate, so that the recovery of the floating oil on the liquid surface of the liquid purification cavity is realized; the recovered floating oil is sent into the dirty liquid cavity of the negative pressure circulating belt filter through the liquid return pipe and is filtered again by the filter paper and the circulating filter belt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811632041.7A CN109569084B (en) | 2018-12-29 | 2018-12-29 | Negative pressure filtering device for filtering cutting fluid |
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| CN201811632041.7A CN109569084B (en) | 2018-12-29 | 2018-12-29 | Negative pressure filtering device for filtering cutting fluid |
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| CN109569084B true CN109569084B (en) | 2021-03-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201088874Y (en) * | 2007-08-30 | 2008-07-23 | 中国石化股份胜利油田分公司孤岛采油厂 | Flotation fuel-discharging device of oil tank |
| CN202163941U (en) * | 2011-06-27 | 2012-03-14 | 苏州帝瀚环保科技有限公司 | Paper shortage detecting device for filter paper cylinder |
| CN203389409U (en) * | 2013-07-05 | 2014-01-15 | 郑州九天机械设备有限公司 | Elastic pressing device with filter belts |
| CN204976184U (en) * | 2015-08-07 | 2016-01-20 | 东北石油大学 | Cooling liquid filtering device |
| CN208287553U (en) * | 2018-04-24 | 2018-12-28 | 西南石油大学 | A kind of oil water separator |
-
2018
- 2018-12-29 CN CN201811632041.7A patent/CN109569084B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201088874Y (en) * | 2007-08-30 | 2008-07-23 | 中国石化股份胜利油田分公司孤岛采油厂 | Flotation fuel-discharging device of oil tank |
| CN202163941U (en) * | 2011-06-27 | 2012-03-14 | 苏州帝瀚环保科技有限公司 | Paper shortage detecting device for filter paper cylinder |
| CN203389409U (en) * | 2013-07-05 | 2014-01-15 | 郑州九天机械设备有限公司 | Elastic pressing device with filter belts |
| CN204976184U (en) * | 2015-08-07 | 2016-01-20 | 东北石油大学 | Cooling liquid filtering device |
| CN208287553U (en) * | 2018-04-24 | 2018-12-28 | 西南石油大学 | A kind of oil water separator |
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