CN111251063B - CNC cutting fluid circulating device - Google Patents
CNC cutting fluid circulating device Download PDFInfo
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- CN111251063B CN111251063B CN202010219603.6A CN202010219603A CN111251063B CN 111251063 B CN111251063 B CN 111251063B CN 202010219603 A CN202010219603 A CN 202010219603A CN 111251063 B CN111251063 B CN 111251063B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1069—Filtration systems specially adapted for cutting liquids
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Abstract
The invention discloses a CNC cutting fluid circulating device, which comprises a liquid storage cylinder, a control box, a pneumatic isolation mechanism, a gas-liquid separation mechanism, a recovered fluid filtering mechanism and a gas-liquid isolation mechanism, wherein the liquid storage cylinder is a cylindrical straight cylinder, two connecting sleeves communicated with the liquid storage cylinder are respectively arranged at the upper end and the lower end of the liquid storage cylinder and are respectively communicated with a liquid discharge pipe and an air inlet pipe through two groups of connecting sleeves, the top end of the air inlet pipe is communicated with an air inlet valve, the control box is arranged on the top end of the air inlet valve and is electrically connected with the air inlet valve, the bottom end of the pneumatic isolation mechanism is communicated with one side of the upper end of the liquid storage cylinder through a pipeline, the gas-liquid isolation mechanism is arranged at one side of the liquid storage cylinder, which is back to the pneumatic isolation mechanism, the recovered fluid filtering mechanism is arranged at the lower end of the gas-liquid isolation mechanism, all separated cutting fluid is not sucked into a vacuum pipeline or a vacuum pump by vacuum, thereby causing waste and generating environmental protection pressure.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a CNC cutting fluid circulating device.
Background
The highlight machine is named according to the characteristics of a processed product, the outline of the highlight machine is similar to that of an engraving machine (or a finishing engraving machine), the main shaft is an air floatation main shaft with 100000RPM, and when the product is processed, the mirror surface effect is achieved, and the knife lines cannot be seen. The high-light machine has more alias, such as a beveling machine, a bright edge machine, a chamfering high-light machine and the like, the high-light machine has higher technical requirements, and the requirements of accessories are much higher than those of a common engraving machine.
The cutting fluid has an effect which is not necessary to be saved in the production process of the highlight machine, a part of the cutting fluid is sucked into the vacuum machine or the vacuum pipeline under the action of vacuum suction in the production process of the highlight product, the cutting fluid of the highlight machine needs to be recycled, separated and reused for saving resource cost and lightening environmental protection pressure, and the existing highlight machine does not have a device for separating the cutting fluid in vacuum, so that the waste of the cutting fluid is inevitable in the production process of needing the vacuum suction as a fixed product.
Disclosure of Invention
The invention aims to provide a CNC cutting fluid circulating device to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a CNC cutting fluid circulating device comprises a fluid storage cylinder, a control box, a pneumatic isolating mechanism, a gas-liquid separating mechanism, a recovered fluid filtering mechanism and a gas-liquid isolating mechanism, wherein the fluid storage cylinder is a cylindrical straight cylinder, connecting sleeves communicated with the fluid storage cylinder are respectively arranged at the upper end and the lower end of the fluid storage cylinder, the fluid storage cylinder is respectively communicated with a fluid discharge pipe and a gas inlet pipe through two groups of connecting sleeves, the top end of the gas inlet pipe is communicated with a gas inlet valve, and the control box is arranged at the top end of the gas inlet valve and is electrically connected with the gas inlet valve;
the bottom end of the pneumatic isolation mechanism is communicated with one side of the upper end of the liquid storage barrel through a pipeline, the gas-liquid isolation mechanism is arranged at one side of the liquid storage barrel, which is opposite to the pneumatic isolation mechanism, the recovered liquid filtering mechanism is arranged at the lower end of the gas-liquid isolation mechanism, the top end of the recovered liquid filtering mechanism is communicated with the bottom end of the gas-liquid isolation mechanism through a recovered pipe, and the bottom end of the recovered liquid filtering mechanism is communicated with the liquid storage barrel through a recovered pipe;
the bottom end of the gas-liquid separation mechanism is communicated with the top end of the gas-liquid isolation mechanism, the top end of the gas-liquid separation mechanism is communicated with a water return pipe, and the other end of the water return pipe is communicated with the top end of the pneumatic isolation mechanism through a pneumatic connecting pipe.
Preferably, the pneumatic isolation mechanism is a vacuum solenoid valve, a group of vacuum connecting pipes communicated with an external vacuum system are further extended from the upper end and the lower end of the starting connecting pipe connected with the upper end of the pneumatic isolation mechanism, and the vacuum solenoid valve is electrically connected with the control box.
Preferably, the gas-liquid isolating mechanism is a gas control one-way valve, a pipeline connected to the top end of the gas-liquid isolating mechanism is connected with a group of transversely arranged vacuum conveying pipes, and the gas control one-way valve is electrically connected with the control box.
Preferably, the gas-liquid separation mechanism is a gas-liquid separator, a liquid discharge separation switch for controlling the opening and closing of the liquid discharge pipe is further installed above the liquid discharge pipe, and the liquid discharge separation switch is electrically connected with the control box.
Preferably, one side of the liquid storage cylinder is also provided with a measuring pipe with a graduated scale, the two ends of the measuring pipe are communicated with the upper end and the lower end of the liquid storage cylinder through chamfer connecting pipes, and the measuring pipe is made of transparent materials and arranged in parallel with the liquid storage cylinder.
Preferably, the recovered liquid filtering mechanism comprises a top cover and a bottom cover communicated with the recovery pipe and a filter cartridge arranged between the top cover and the bottom cover, wherein external threads are arranged on the outer sides of the upper end and the lower end of the filter cartridge and are respectively in threaded sealing connection with the top cover and the bottom cover.
Preferably, the cartridge filter is the straight section of thick bamboo structure of cylindricality that link up from top to bottom, and its inside nearly bottom is equipped with filtering channel, and filtering channel divide into the cartridge filter inner chamber and be located the bottom chamber of the top chamber that is located the top, wherein the intracavity of pushing up installs and filters the main part, and the internal diameter of pushing up chamber and bottom chamber all is greater than filtering channel's internal diameter.
Preferably, filter the main part include with be located the bottom filter the bottom plate and be located the filter mantle of upper end, the filter mantle is hollow bars net column structure, establishes in the middle of the upper end of filtering the bottom plate, and its top is the arc setting, and its bottom is worn out and is filtered the bottom plate and be linked together with filtering the passageway, just the diameter of filtering the bottom plate is the same with the internal diameter in top chamber to the slip coincide is in top chamber, the internal diameter and the vertical correspondence of filtering the passageway of filter mantle.
Preferably, the two symmetrical ends of the outer side of the filtering bottom plate are fixedly welded with vertical guide rods, two groups of guide grooves with communicated tops are formed in the two symmetrical sides of the inner wall of the top cavity, the two groups of guide rods are matched in the guide grooves, and the top ends of the opposite sides of the guide rods are provided with a plurality of groups of buckling grooves.
Preferably, the both sides end of the bottom surface symmetry in top chamber has all opened the kerve, and is two sets of pressure sensor is all installed to the bottom of kerve, and all is equipped with the spring on two sets of pressure sensor, wherein the bottom face of filtering the bottom plate is opened has two sets ofly to be used for spring top male slot, and is two sets of pressure sensor all with control box electric connection.
The invention has the technical effects and advantages that: according to the CNC cutting fluid circulating device, the pneumatic isolation mechanism, the gas-liquid separation mechanism, the gas-liquid isolation mechanism and the recovered fluid filtering mechanism are arranged, when cutting fluid is sucked in a vacuum system in a vacuum mode, the cutting fluid sucked in the vacuum mode is subjected to vacuum separation treatment through the pneumatic isolation mechanism, the gas-liquid separation mechanism and the gas-liquid isolation mechanism, the separated cutting fluid is not sucked into a vacuum pipeline or a vacuum pump in the vacuum mode, and therefore waste is caused and environment-friendly pressure is generated; meanwhile, after the cutting fluid is subjected to vacuum separation, the cutting fluid is subjected to filtration treatment through a recovered fluid filtering mechanism, and the absorbed cutting fluid is filtered, so that the problem that the recycling of the cutting fluid is influenced due to the mixing of iron powder or other powder cutting fluids in the cutting process is solved; retrieve liquid filtering mechanism simultaneously and comprise the top cap, bottom and cartridge filter, its cartridge filter is equipped with the filtration main part, the filter mantle that filters the main part filters cutting fluid, and impurity piles up on filtering the bottom plate, neither can influence subsequent filtration, simultaneously when piling up more, it can push down filtering the bottom plate, and push down pressure sensor by filtering the bottom plate, thereby can show the degree of pushing down on the display screen that corresponds is connected to the control box, in order to conveniently remind the user to carry out the impurity clearance to filtering in the main part, and with the top cap, the threaded connection of bottom and cartridge filter, it is convenient to make it dismantle the clearance, more adapt to the use under for a long time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is an exploded view of the recycle liquid filter mechanism of the present invention;
FIG. 5 is a vertical cross-sectional view of the filter cartridge of the present invention;
FIG. 6 is an enlarged schematic view of the structure at A of FIG. 5 in accordance with the present invention;
fig. 7 is a schematic diagram of the circuit connection of the present invention.
In the figure: the device comprises a liquid storage cylinder 1, a control box 2, a pneumatic isolation mechanism 3, a vacuum connecting pipe 301, a water return pipe 4, a gas-liquid separation mechanism 5, an air inlet valve 6, a gas-liquid isolation mechanism 7, a vacuum conveying pipe 701, a recovered liquid filtering mechanism 8, a pneumatic connecting pipe 9, a recovered pipe 10, a liquid discharge pipe 11, a liquid discharge separation switch 12, a weighing pipe 13, a chamfer connecting pipe 14, a top cover 15, a filter cartridge 16, a bottom cover 17, a filter main body 18, a guide groove 19, a filter bottom plate 20, a filter cover 21, a guide rod 22, a catching groove 23, a bottom cavity 24, a top cavity 25, a filter channel 26, a pressure sensor 27, a bottom groove 28 and a spring 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a CNC cutting fluid circulating device as shown in figures 1-3, which comprises a liquid storage cylinder 1, a control box 2, a pneumatic isolation mechanism 3, a gas-liquid separation mechanism 5, a recovered liquid filtering mechanism 8 and a gas-liquid isolation mechanism 7, wherein the liquid storage cylinder 1 is a cylindrical straight cylinder, two ends of the liquid storage cylinder are respectively provided with a connecting sleeve communicated with the liquid storage cylinder, and the liquid storage cylinder and the gas-liquid separation mechanism are respectively communicated with a liquid discharge pipe 11 and an air inlet pipe through two groups of connecting sleeves, the connecting sleeve is of a horn-shaped structure which is gradually reduced from bottom to top, the top end of the air inlet pipe is connected with an air inlet valve 6, the control box 2 is arranged at the top end of the air inlet valve 6 and is electrically connected with the air inlet valve 6, and the air inlet valve 6 mainly plays a role in pressure relief;
the bottom end of the pneumatic isolation mechanism 3 is communicated with one side of the upper end of the liquid storage cylinder 1 through a pipeline, the gas-liquid isolation mechanism 7 is arranged at one side of the liquid storage cylinder 1, which is back to the pneumatic isolation mechanism 3, the recovered liquid filtering mechanism 8 is arranged at the lower end of the gas-liquid isolation mechanism 7, the top end of the recovered liquid filtering mechanism is communicated with the bottom end of the gas-liquid isolation mechanism 7 through a recovery pipe 10, and the bottom end of the recovered liquid filtering mechanism is communicated with the liquid storage cylinder 1 through the recovery pipe;
the bottom end of the gas-liquid separation mechanism 5 is communicated with the top end of the gas-liquid isolation mechanism 7, the top end of the gas-liquid separation mechanism is communicated with the water return pipe 4, and the other end of the water return pipe 4 is communicated with the top end of the pneumatic isolation mechanism 3 through a pneumatic connecting pipe 9.
Specifically, the pneumatic isolation mechanism 3 is a vacuum solenoid valve, a group of vacuum connecting pipes 301 communicated with an external vacuum system extend from the upper end and the lower end of a starting connecting pipe connected with the upper end of the pneumatic isolation mechanism 3, the vacuum solenoid valve is electrically connected with the control box 2, and the vacuum connecting pipes 301 connected with the pneumatic isolation mechanism 3 are mainly communicated with a vacuum pipeline of the vacuum system to realize the conduction of the pneumatic isolation mechanism 3.
Specifically, gas-liquid isolating mechanism 7 is gas accuse check valve, and the pipe connection that its top is connected has a set of vacuum conveyer pipe 701 that transversely sets up, and this gas accuse check valve and control box 2 electric connection, and the use of cooperation pneumatic isolating mechanism 3 realizes switching on lacquer gas-liquid isolating mechanism 7, makes wet return 4 and liquid storage cylinder 1 have the vacuum, realizes that vacuum conveyer pipe 701 will be inspiratory vacuum gas input that has the cutting fluid.
Specifically, the gas-liquid separation mechanism 5 is a gas-liquid separator, any type of gas-liquid separator is selected for the gas-liquid separator, gas-liquid separation can be achieved by the principle that cutting fluid in vacuum gas is lowered by gravity, the cutting fluid flows into the gas-liquid isolation mechanism 3, a liquid discharge separation switch 12 for controlling the opening and closing of the liquid discharge pipe 11 is further installed above the liquid discharge pipe 11, the liquid discharge separation switch 12 is electrically connected with the control box 2, and the recovered cutting fluid can be conveyed to a machine tool.
Specifically, one side of the liquid storage cylinder 1 is also provided with a measuring pipe 13 with a graduated scale, the two ends of the measuring pipe 13 are communicated with the upper end and the lower end of the liquid storage cylinder 1 through a chamfer connecting pipe 14, the measuring pipe 13 is made of transparent materials and is arranged in parallel with the liquid storage cylinder 1, so that the solution in the liquid storage cylinder 1 can be communicated with the measuring pipe 13, the residual solution in the liquid storage cylinder 1 can be observed conveniently, and the solution can be supplemented conveniently.
As shown in fig. 4-6, the recycling liquid filtering mechanism 8 includes a top cover 15 and a bottom cover 17 communicated with the recycling pipe 10 and a filter cartridge 16 disposed between the top cover 15 and the bottom cover 17, wherein the outer sides of the upper and lower ends of the filter cartridge 16 are respectively provided with external threads, and are respectively in threaded sealing connection with the top cover 15 and the bottom cover 17, so as to facilitate the detachment and connection between the whole body, to facilitate the cleaning of filtering impurities in internal equipment, or to perform corresponding replacement on internal parts, and so on.
Specifically, the cartridge filter 16 is a cylindrical straight cylinder structure which is through from top to bottom, a filter passage 26 is arranged near the bottom end of the cartridge filter 16, the filter passage 26 divides the inner cavity of the cartridge filter 16 into a top cavity 25 and a bottom cavity 24, the top cavity 25 is internally provided with the filter main body 18, the inner diameters of the top cavity 25 and the bottom cavity 24 are larger than the inner diameter of the filter passage 26, and the top cavity 25 and the bottom cavity 24 are used for performing corresponding filtering treatment on the recovered cutting fluid.
Specifically, the filtering main body 18 comprises a filtering bottom plate 20 positioned at the bottom end and a filtering cover 21 positioned at the upper end, the filtering cover 21 is of a hollow grid-shaped cylindrical structure, meshes of the grid can filter impurities in the cutting fluid, the impurities are mainly scrap iron in the cutting fluid, the cutting fluid can be normally recycled, the filtering cover is arranged in the middle of the upper end of the filtering bottom plate 20, the top end of the filtering cover is arranged in an arc shape, the impurities are prevented from being accumulated on the filtering cover 21, the bottom end of the filtering cover penetrates through the filtering bottom plate 20 and is communicated with a filtering channel 26, the diameter of the filtering bottom plate 20 is the same as the inner diameter of a top cavity 25 and is matched in the top cavity 25 in a sliding manner, the cutting fluid can be prevented from leaking from a crack between the outer side of the filtering bottom plate 20 and the top cavity 25, the inner diameter of the filtering cover 21 vertically corresponds to the filtering channel 26, and the filtered cutting fluid can be better directly fed into, and into the bottom chamber 24.
It is specific, the both ends of the outside symmetry of filtering bottom plate 20 still welded fastening have vertical guide bar 22, the guide way 19 that has two sets of tops to link up is opened to the both sides of the inner wall symmetry of top chamber 25, and is two sets of guide bar 22 all coincide in guide way 19, and two sets of multiunit catching groove 23 has all been opened on guide bar 22 one side top in opposite directions, and guide bar 22 and guide way 19's use can enough guarantee that filtering bottom plate 20 places when pushing up the chamber, makes filtering bottom plate 20 vertical downwards, will filter bottom plate 20 through catching groove 23 and guide bar 22 also conveniently and take out to accomplish the clearance of impurity on filtering bottom plate 20, make things convenient for subsequent use.
As shown in fig. 7, the control element inside the control box 2 is mainly a single chip microcomputer with a corresponding control model, such as the one introduced above, and the connection between the control box 2 and each device is an electric connection mode, so that all devices can be uniformly controlled through the control box, the regulation and control are more convenient, and the corresponding operation of workers is facilitated.
Concretely, the both sides end of the bottom end face symmetry of top chamber 25 all has opened kerve 28, and is two sets of pressure sensor 27 is all installed to the bottom of kerve 28, and all is equipped with spring 29 on two sets of pressure sensor 27, wherein the bottom face of filtering bottom plate 20 is opened has two sets of spring 29 top male slots that are used for, and is two sets of pressure sensor 27 all with control box 2 electric connection, the control unit in control box 2 of this place is mainly STM32L4 microcontroller or STM32 singlechip, each electric control component of its connection, all adopts the model commonly used, and the display screen here should install the outside at integrated device, in order to make things convenient for the total weight of filtering bottom plate 27 to pressure sensor 27 response, the weight when its detection subtracts the initial is the weight of filtering debris promptly, in order to conveniently observe in real time, and then conveniently carry out subsequent cleaning work.
Specifically, in the use process of the CNC cutting fluid circulating device, when the CNC cutting fluid circulating device is applied, a liquid discharge pipe 11 connected to the bottom end of a liquid storage cylinder is communicated with a cutting fluid supply pipeline of a machine tool, and a vacuum conveying pipe 701 is communicated with a vacuum input port of a jig of the machine tool;
when the machine tool vacuum separating device works, a machine tool control system controls a pneumatic isolating mechanism 3 (namely a vacuum electromagnetic valve) to be closed, the closing of the pneumatic isolating mechanism 3 enables a water return pipe 4 to have vacuum, the conduction of the water return pipe 4, a gas-liquid separating mechanism 7 and a vacuum conveying pipe 701 is utilized, the closing of a liquid discharging pipe 11 is controlled through a liquid discharging separating switch 12, at the moment, gas of an external vacuumizing system flows into a machine tool jig through a vacuum connecting pipe 301, a pneumatic connecting pipe 9, the water return pipe, the gas-liquid separating mechanism 5 and the vacuum conveying pipe 701, the machine tool jig is vacuumized, at the moment, a small amount of cutting fluid in a mold cavity of the machine tool jig is pumped into the vacuum conveying pipe 701 along with the vacuum gas and flows through the gas-liquid separating mechanism 7 and the gas-liquid separating mechanism 5, gas-liquid separation is carried out in the gas-liquid separating mechanism 5, the principle of the separation is mainly gravity separation, the gas continuously, after a certain degree of accumulation, the gas-liquid isolating mechanism 7 is communicated with the recovery pipe 10, and the cutting fluid enters the recovery fluid filtering mechanism 8 through the recovery pipe 10 for filtering;
in the recovered liquid passing mechanism 8, firstly, the recovered liquid falls onto a filter cover 21 in a filter barrel 16 and is filtered by the filter cover 21, impurities are accumulated on a filter bottom plate 20, cutting liquid enters a liquid storage barrel for recovery processing through the filter cover 21, a filter channel 26, a bottom cavity 24 and a recovery pipe 10, in the process of accumulating the impurities on the filter bottom plate 20, the pressure on the filter bottom plate 20 is increased, the filter bottom plate is pressed downwards, a pressure sensor 27 is pressed downwards through a spring 28, the pressure on the filter bottom plate 20 is displayed on a corresponding display screen through a control box 2 by the pressure sensor 27, so that the accumulation of the filtered impurities is clearly sensed, when the pressure reaches a certain degree, the recovered liquid filtering mechanism 8 can be detached and the filter main body 18 is lifted out from a buckling groove 23 of a guide rod 22, the impurities can be cleaned, when the pneumatic isolation mechanism 3 is opened, and stopping vacuumizing, wherein the vacuum gas reflows to the pneumatic connecting pipe 9 and the pneumatic isolating mechanism 3 to the liquid storage cylinder 1 and is discharged to a cutting fluid supply pipeline of the machine tool again through the liquid discharge pipe 11, so that the cutting fluid can be recycled.
Specifically, the CNC cutting fluid circulating device is provided with the pneumatic isolation mechanism 3, the gas-liquid separation mechanism 5, the gas-liquid isolation mechanism 7 and the recovered fluid filtering mechanism 8, when cutting fluid is sucked in by a vacuum system in a vacuum mode, the cutting fluid sucked in the vacuum mode is subjected to vacuum separation treatment through the pneumatic isolation mechanism 3, the gas-liquid separation mechanism 7 and the gas-liquid isolation mechanism 7, the separated cutting fluid is not sucked into a vacuum pipeline or a vacuum pump in the vacuum mode, and therefore waste and environment-friendly pressure are caused; meanwhile, after the cutting fluid is subjected to vacuum separation, the cutting fluid is subjected to filtration treatment through a recovered fluid filtering mechanism 8, and the absorbed cutting fluid is filtered, so that the problem that the recycling of the cutting fluid is influenced due to the mixing of iron powder or other cutting fluid powder in the cutting process is solved; retrieve liquid filtering mechanism 8 simultaneously and comprise top cap 15, bottom 17 and cartridge filter 16, its cartridge filter 16 is equipped with and filters main part 18, the filter mantle 21 that filters main part 18 filters the cutting fluid, and impurity piles up on filtering bottom plate 20, can not influence subsequent filtration, simultaneously when piling up more, it can push down filtering bottom plate 20, and push down pressure sensor 27 by filtering bottom plate 20, thereby can be with pushing down the degree and showing on the display screen that corresponds is connected to control box 2, so that the warning user can carry out the impurity clearance to filtering on the main part 18, and with top cap 15, the threaded connection of bottom 17 and cartridge filter 16, it is convenient to make it dismantle the clearance, more adapt to the use under permanent
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a CNC cutting fluid circulating device, includes liquid storage cylinder (1), control box (2), pneumatic isolator mechanism (3), gas-liquid separation mechanism (5), recovery liquid filtering mechanism (8) and gas-liquid isolator mechanism (7), its characterized in that: the liquid storage cylinder (1) is a cylindrical straight cylinder, the upper end and the lower end of the liquid storage cylinder are both provided with connecting sleeves communicated with the liquid storage cylinder, and are respectively communicated with the liquid discharge pipe (11) and the air inlet pipe through two groups of connecting sleeves, the top end of the air inlet pipe is communicated with the air inlet valve (6), and the control box (2) is arranged on the top end of the air inlet valve (6) and is electrically connected with the air inlet valve (6);
the bottom end of the pneumatic isolation mechanism (3) is communicated with one side of the upper end of the liquid storage cylinder (1) through a pipeline, the gas-liquid isolation mechanism (7) is arranged at one side of the liquid storage cylinder (1) back to the pneumatic isolation mechanism (3), the recovered liquid filtering mechanism (8) is arranged at the lower end of the gas-liquid isolation mechanism (7), the top end of the recovered liquid filtering mechanism is communicated with the bottom end of the gas-liquid isolation mechanism (7) through a recovered pipe (10), and the bottom end of the recovered liquid filtering mechanism is communicated with the liquid storage cylinder (1) through the recovered pipe (10);
the bottom end of the gas-liquid separation mechanism (5) is communicated with the top end of the gas-liquid isolation mechanism (7), the top end of the gas-liquid separation mechanism is communicated with the water return pipe (4), and the other end of the water return pipe (4) is communicated with the top end of the pneumatic isolation mechanism (3) through a pneumatic connecting pipe (9);
the recovered liquid filtering mechanism (8) comprises a top cover (15) and a bottom cover (17) which are communicated with the recovery pipe (10) and a filter cartridge (16) which is arranged between the top cover (15) and the bottom cover (17), wherein the outer sides of the upper end and the lower end of the filter cartridge (16) are respectively provided with an external thread and are respectively in threaded sealing connection with the top cover (15) and the bottom cover (17);
the filter cartridge (16) is of a vertically-through cylindrical straight cartridge structure, a filter passage (26) is arranged at the inner bottom end of the filter cartridge (16), the filter passage (26) divides an inner cavity of the filter cartridge (16) into a top cavity (25) located at the top and a bottom cavity (24) located at the bottom, a filter main body (18) is installed in the top cavity (25), and the inner diameters of the top cavity (25) and the bottom cavity (24) are larger than the inner diameter of the filter passage (26);
the filtering main body (18) comprises a filtering bottom plate (20) positioned at the bottom end and a filtering cover (21) positioned at the upper end, the filtering cover (21) is of a hollow grid-shaped cylindrical structure and is arranged in the middle of the upper end of the filtering bottom plate (20), the top end of the filtering cover is arranged in an arc shape, the bottom end of the filtering cover penetrates through the filtering bottom plate (20) and is communicated with a filtering channel (26), the diameter of the filtering bottom plate (20) is the same as the inner diameter of a top cavity (25) and is matched in the top cavity (25) in a sliding mode, and the inner diameter of the filtering cover (21) vertically corresponds to that of the filtering channel (26);
vertical guide rods (22) are further welded and fixed at two symmetrical ends of the outer side of the filtering bottom plate (20), two groups of guide grooves (19) with through tops are formed in two symmetrical sides of the inner wall of the top cavity (25), the two groups of guide rods (22) are matched in the guide grooves (19), and multiple groups of buckling grooves (23) are formed in the top end of one opposite side surface of the two groups of guide rods (22);
bottom slot (28) have all been opened to the both sides end of the bottom face symmetry of top chamber (25), and are two sets of pressure sensor (27) are all installed to the bottom of bottom slot (28), and all are equipped with spring (29) on two sets of pressure sensor (27), wherein the bottom face of filtering bottom plate (20) is opened has two sets of spring (29) top male slots that are used for, and is two sets of pressure sensor (27) all with control box (2) electric connection.
2. The CNC cutting fluid circulating apparatus according to the claim 1, characterized in that: the pneumatic isolation mechanism (3) is a vacuum electromagnetic valve, a group of vacuum connecting pipes (301) communicated with an external vacuum system extend from the upper end and the lower end of a starting connecting pipe connected with the upper end of the pneumatic isolation mechanism, and the vacuum electromagnetic valve is electrically connected with the control box (2).
3. The CNC cutting fluid circulating apparatus according to the claim 1, characterized in that: the gas-liquid isolating mechanism (7) is a gas control one-way valve, a pipeline connected with the top end of the gas-liquid isolating mechanism is connected with a group of transversely arranged vacuum conveying pipes (701), and the gas control one-way valve is electrically connected with the control box (2).
4. The CNC cutting fluid circulating apparatus according to the claim 1, characterized in that: the gas-liquid separation mechanism (5) is a gas-liquid separator, a liquid discharge separation switch (12) for controlling the opening and closing of the liquid discharge pipe (11) is further mounted above the liquid discharge pipe (11), and the liquid discharge separation switch (12) is electrically connected with the control box (2).
5. The CNC cutting fluid circulating apparatus according to the claim 1, characterized in that: one side of the liquid storage cylinder (1) is also provided with a measuring pipe (13) with a graduated scale, the two ends of the measuring pipe (13) are communicated with the upper end and the lower end of the liquid storage cylinder (1) through chamfer connecting pipes (14), and the measuring pipe (13) is made of transparent materials and is arranged in parallel with the liquid storage cylinder (1).
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| CN202010219603.6A CN111251063B (en) | 2020-03-25 | 2020-03-25 | CNC cutting fluid circulating device |
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| CN202010219603.6A CN111251063B (en) | 2020-03-25 | 2020-03-25 | CNC cutting fluid circulating device |
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