CN113617123A - CNC (computer numerical control) milling machine cooling oil filtering device and filtering method thereof - Google Patents
CNC (computer numerical control) milling machine cooling oil filtering device and filtering method thereof Download PDFInfo
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- CN113617123A CN113617123A CN202110876453.0A CN202110876453A CN113617123A CN 113617123 A CN113617123 A CN 113617123A CN 202110876453 A CN202110876453 A CN 202110876453A CN 113617123 A CN113617123 A CN 113617123A
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- 238000001816 cooling Methods 0.000 title claims abstract description 44
- 238000001914 filtration Methods 0.000 title claims abstract description 37
- 238000003801 milling Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 21
- 239000002826 coolant Substances 0.000 claims abstract description 12
- 238000012546 transfer Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 45
- 238000001556 precipitation Methods 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 description 5
- 210000000056 organ Anatomy 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
- B01D36/04—Combinations of filters with settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/603—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by flow measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a CNC (computer numerical control) milling machine cooling oil filtering device and a filtering method thereof, relates to the technical field of CNC milling machines, and particularly relates to a CNC milling machine cooling oil filtering device which comprises an oil storage tank, wherein the top of the oil storage tank is fixedly connected with an oil inlet pipe, the right side of the oil storage tank is fixedly provided with an oil transfer pump, the right side of the oil transfer pump is fixedly connected with an oil delivery pipe, the inside of the oil delivery pipe is fixedly provided with a flow sensor, and the lower end of the oil delivery pipe is fixedly provided with an electromagnetic three-way valve. Through flow sensor and electromagnetic three-way valve's cooperation use, when taking place to block up in first filter, flow sensor detects the intraductal flow of oil transportation too slowly and give the controller with signal transmission, switches to second filter one side through controller control electromagnetic three-way valve, makes oil transportation pipe and second filter intercommunication, utilizes the second filter to filter the coolant oil, avoids the coolant oil to filter the interrupt.
Description
Technical Field
The invention relates to the technical field of numerical control milling machines, in particular to a cooling oil filtering device of a CNC (computer numerical control) milling machine and a filtering method thereof.
Background
The numerical control milling machine is also called CNC milling machine, and is an automatic processing device developed on the basis of a common milling machine, the processing technologies of the two are basically the same, and the structures are also similar. The numerically controlled milling machine is classified into two categories, namely a non-tool magazine and a tool magazine, wherein the numerically controlled milling machine with the tool magazine is also called a machining center.
Numerical control milling machine can use the cooling oil to cool off at the in-process that carries out processing to the work piece usually, the cooling oil need filter so that reuse at the in-process that uses, current filter equipment takes place to block up at the in-process that uses easily, lead to the unable normal cycle of cooling oil to use, generally need shut down the maintenance, influence numerical control milling machine's production efficiency, and current filter mostly uses the bolt to connect fixedly, dismantle the trouble of comparison, for this reason we provide a CNC numerical control milling machine cooling oil filter equipment and filtering method.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a CNC (computer numerical control) milling machine cooling oil filtering device and a CNC milling machine cooling oil filtering method, which solve the problems in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a CNC numerically controlled fraise machine coolant oil filter equipment, includes the batch oil tank, the top fixedly connected with of batch oil tank advances oil pipe, the inside of batch oil tank is provided with the baffle, the right side fixed mounting of batch oil tank inner chamber has metal filters, the right side fixed mounting of batch oil tank has the petroleum pump, the right side fixedly connected with petroleum pipeline of petroleum pump, the inside fixed mounting of petroleum pipeline has flow sensor, the low side fixed mounting of petroleum pipeline has the electromagnetism three-way valve, the both sides fixed connection of electromagnetism three-way valve has the connecting pipe, the bottom fixed connection of connecting pipe has first filter and second filter, flow sensor and electromagnetism three-way valve electric connection have the controller, controller electric connection has alarm lamp and bee calling organ, the low side activity of connecting pipe has cup jointed first locking cap, first locking cap screw thread cup joints the top of first filter, the outer part of the connecting pipe is movably sleeved with a sealing plug, and a sealing ring is arranged between the connecting pipe and the first filter.
Optionally, the baffle is located the middle part of batch oil tank, the baffle divides into two precipitation tanks about with the batch oil tank, two the precipitation tank communicates from the top of baffle.
Optionally, the outside of the connecting pipe is fixedly connected with a fixing flange, the bottom of the connecting pipe is fixedly connected with a fixing block, and the sealing plug is movably sleeved at a position between the fixing flange and the fixing block.
Optionally, a connector is fixedly connected to the top of the first filter, a first sealing groove is formed in the inner side of the first filter, a connecting block is fixedly connected to the inside of the connector, and a second sealing groove is formed in the top of the connecting block.
Optionally, the outside fixedly connected with protruding circle of sealing plug, protruding circle and first seal groove interference fit, the sealing plug is T shape tubbiness structure, the external diameter at sealing plug top is the same with the external diameter of connector.
Optionally, the bottom of sealing washer is provided with protruding piece, protruding piece and second seal groove interference fit, the sealing washer is located between fixed block and the connecting block.
Optionally, the first filter and the second filter have the same structure, the front faces of the first filter and the second filter are provided with observation windows, the bottom parts of the first filter and the second filter are in threaded connection with a second fixing cap, the second fixing cap corresponds to the first fixing cap, and the bottom part of the second fixing cap is connected with an oil outlet pipe.
A CNC milling machine cooling oil filtering apparatus and a filtering method thereof according to any one of claims 1 to 7, comprising the steps of,
s1, cooling oil enters the oil storage tank through the oil inlet pipe, large impurities contained in the cooling oil are precipitated in the precipitation tank, the precipitated upper clear oil overflows to the right side of the partition plate, and then the cooling oil is conveyed to the first filter through the oil conveying pipe by the oil conveying pump to be filtered;
s2, when the first filter is blocked, the flow sensor detects that the flow in the oil delivery pipe is too slow and transmits a signal to the controller, the controller controls the electromagnetic three-way valve to be switched to one side of the second filter, so that the oil delivery pipe is communicated with the second filter, the second filter is used for filtering cooling oil, and the interruption of the cooling oil filtering is avoided;
s3, the controller controls the electromagnetic three-way valve to switch and simultaneously transmits a signal to the alarm lamp and the buzzer, and the alarm lamp flashes and the buzzer sounds to remind an operator to replace the first filter;
s4, the operator finds the first filter, unscrews the first fixing cap and the second fixing cap, and pulls the connecting pipe and the oil outlet pipe out of the first filter to complete the replacement of the first filter.
The invention provides a CNC (computer numerical control) milling machine cooling oil filtering device and a CNC milling machine cooling oil filtering method, which have the following beneficial effects:
1. this CNC numerically controlled fraise machine coolant oil filter equipment and filtering method thereof, use through the cooperation of flow sensor and electromagnetism three-way valve, when taking place to block up in the first filter, flow sensor detects the inside flow of oil delivery pipe too slowly and give the controller with the signal transmission, switch over to second filter one side through controller control electromagnetism three-way valve, make defeated oil pipe and second filter intercommunication, utilize the second filter to filter the coolant oil, avoid the coolant oil to filter the interrupt, use through the cooperation of alarm lamp and bee calling organ, utilize the controller with signal transmission to alarm lamp and bee calling organ, make alarm lamp scintillation and bee calling organ sound, conveniently remind timely change first filter of operating personnel.
2. This CNC numerically controlled fraise machine coolant oil filter equipment and filtering method thereof, through setting up the baffle in the inside of batch oil tank, utilize the baffle to separate out the precipitation tank with the inside of batch oil tank, make things convenient for the coolant oil to deposit in the inside of precipitation tank, be favorable to getting rid of the large granule impurity in the coolant oil, deuterogamy metal filters carries out preliminary filtration to the coolant oil, avoids large granule impurity to enter into first filter, reduces the probability of the inside jam of first filter.
3. According to the cooling oil filtering device and the filtering method of the CNC milling machine, the first filter is installed in a threaded connection mode through the first fixing cap, when the inside of the first filter is blocked, the first filter can be taken down only by unscrewing the first fixing cap and the second fixing cap, bolts are not needed for connection, the replacement efficiency of the first filter is improved, the CNC milling machine is used through the matching of the sealing plug and the sealing ring, the sealing plug is used through the interference fit of the protruding ring outside the sealing plug and the protruding block at the bottom of the sealing ring in the first sealing groove and the second sealing groove respectively, the sealing performance between the connecting pipe and the first filter is improved, and the phenomenon that cooling liquid inside the first filter leaks from the connecting position of the connecting pipe and the first filter is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the interior of the first locking cap according to the present invention;
fig. 3 is a schematic view of the sealing plug of the present invention;
fig. 4 is a schematic structural diagram of the sealing ring of the present invention.
In the figure: 1. an oil storage tank; 2. an oil inlet pipe; 3. a partition plate; 4. a settling tank; 5. a metal filter screen; 6. an oil transfer pump; 7. an oil delivery pipe; 8. a flow sensor; 9. an electromagnetic three-way valve; 10. a connecting pipe; 101. a fixed flange; 102. a fixed block; 11. a first filter; 111. a connecting port; 112. a first seal groove; 113. connecting blocks; 114. a second seal groove; 12. a second filter; 13. a controller; 14. an alarm lamp; 15. a buzzer; 16. a first fixing cap; 17. a sealing plug; 171. a raised ring; 18. a seal ring; 181. a raised block; 19. an observation window; 20. a second locking cap; 21. an oil outlet pipe.
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.
Referring to fig. 1 to 4, the present invention provides a technical solution: a CNC numerical control milling machine cooling oil filtering device comprises an oil storage tank 1, wherein an oil inlet pipe 2 is fixedly connected to the top of the oil storage tank 1, a partition plate 3 is arranged inside the oil storage tank 1, the partition plate 3 is positioned in the middle of the oil storage tank 1, the oil storage tank 1 is divided into a left precipitation tank and a right precipitation tank 4 by the partition plate 3, the two precipitation tanks 4 are communicated from the top of the partition plate 3, the partition plate 3 is arranged inside the oil storage tank 1, the interior of the oil storage tank 1 is separated from the precipitation tanks 4 by the partition plate 3, the cooling oil is convenient to precipitate inside the precipitation tanks 4, large granular impurities in the cooling oil can be conveniently removed, a metal filter screen 5 is fixedly installed on the right side of an inner cavity of the oil storage tank 1, the cooling oil is preliminarily filtered by the metal filter screen 5 by arranging the metal filter screen 5, the large granular impurities are prevented from entering a first filter 11, and the probability of internal blockage of the first filter 11 is reduced, the right side of the oil storage tank 1 is fixedly provided with an oil delivery pump 6, the right side of the oil delivery pump 6 is fixedly connected with an oil delivery pipe 7, the inside of the oil delivery pipe 7 is fixedly provided with a flow sensor 8, the lower end of the oil delivery pipe 7 is fixedly provided with an electromagnetic three-way valve 9, two sides of the electromagnetic three-way valve 9 are fixedly connected with a connecting pipe 10, the oil delivery pipe 7 is communicated with a second filter 12 by the communication of the flow sensor 8 and the electromagnetic three-way valve 9 when the first filter 11 is blocked, the flow sensor 8 detects that the flow inside the oil delivery pipe 7 is too slow and transmits a signal to the controller 13, the controller 13 controls the electromagnetic three-way valve 9 to be switched to one side of the second filter 12, the cooling oil is filtered by the second filter 12, the interruption of the cooling oil filtering is avoided, the shutdown maintenance is not needed, the outside of the connecting pipe 10 is fixedly connected with a fixing flange 101, and the bottom of the connecting pipe 10 is fixedly connected with a fixing block 102, the sealing plug 17 is movably sleeved at a position between the fixed flange 101 and the fixed block 102, the bottom of the connecting pipe 10 is fixedly connected with a first filter 11 and a second filter 12, the top of the first filter 11 is fixedly connected with a connecting port 111, the inner side of the first filter 11 is provided with a first sealing groove 112, the inner part of the connecting port 111 is fixedly connected with a connecting block 113, the top of the connecting block 113 is provided with a second sealing groove 114, the flow sensor 8 and the electromagnetic three-way valve 9 are electrically connected with a controller 13, the controller 13 is electrically connected with an alarm lamp 14 and a buzzer 15, through the matching use of the alarm lamp 14 and the buzzer 15, the controller 13 transmits signals to the alarm lamp 14 and the buzzer 15, so that the alarm lamp 14 flickers and the buzzer 15 sounds, operators can find problems in time, and the operators can be reminded of replacing the first filter 11 in time, the lower end of the connecting pipe 10 is movably sleeved with a first fixing cap 16, the first fixing cap 16 is in threaded sleeve joint with the top of the first filter 11, the first filter 11 is installed in a threaded connection mode through the first fixing cap 16, when the inside of the first filter 11 is blocked, the first filter 11 can be taken down only by screwing down the first fixing cap 16 and the second fixing cap 20 without using bolts for connection, the replacement efficiency of the first filter 11 is improved, the outer part of the connecting pipe 10 is movably sleeved with a sealing plug 17, the outer part of the sealing plug 17 is fixedly connected with a raised ring 171, the raised ring 171 is in interference fit with a first sealing groove 112, the sealing plug 17 is of a T-shaped barrel structure, the outer diameter of the top of the sealing plug 17 is the same as that of a connecting port 111, a sealing ring 18 is arranged between the connecting pipe 10 and the first filter 11, the bottom of the sealing ring 18 is provided with a raised block 181, the protruding block 181 is in interference fit with the second seal groove 114, the sealing plug 17 and the sealing ring 18 are used in a matched manner, the protruding ring 171 outside the sealing plug 17 and the protruding block 181 at the bottom of the sealing ring 18 are in interference fit with the first seal groove 112 and the second seal groove 114 respectively, so that the sealing performance between the connecting pipe 10 and the first filter 11 is improved, the coolant inside the first filter 11 is prevented from leaking out from the joint of the connecting pipe 10 and the first filter 11, the sealing ring 18 is located between the fixing block 102 and the connecting block 113, the structures of the first filter 11 and the second filter 12 are the same, the front surfaces of the first filter 11 and the second filter 12 are provided with the observation window 19, the bottom parts of the first filter 11 and the second filter 12 are in threaded connection with the second fixing cap 20, the second fixing cap 20 corresponds to the first fixing cap 16, and the bottom part of the second fixing cap 20 is connected with the oil outlet pipe 21.
A CNC milling machine cooling oil filtering apparatus and a filtering method thereof according to any one of claims 1 to 7, comprising the steps of,
s1, cooling oil enters the oil storage tank 1 through the oil inlet pipe 2, large impurities contained in the cooling oil are precipitated in the precipitation tank 4, the precipitated upper clear oil overflows to the right side of the partition plate 3, and then the cooling oil is conveyed to the first filter 11 through the oil conveying pipe 7 by the oil conveying pump 6 for filtering;
s2, when the first filter 11 is blocked, the flow sensor 8 detects that the flow inside the oil pipeline 7 is too slow and transmits a signal to the controller 13, the controller 13 controls the electromagnetic three-way valve 9 to be switched to one side of the second filter 12, so that the oil pipeline 7 is communicated with the second filter 12, the cooling oil is filtered by the second filter 12, and the interruption of the cooling oil filtering is avoided;
s3, the controller 13 controls the electromagnetic three-way valve 9 to switch and simultaneously transmits signals to the alarm lamp 14 and the buzzer 15, and the alarm lamp 14 flashes and the buzzer 15 sounds to remind an operator of replacing the first filter 11;
s4, the operator finds the first filter 11, unscrews the first fixing cap 16 and the second fixing cap 20, and pulls the connecting pipe 10 and the oil outlet pipe 21 out of the first filter 11 to complete the replacement of the first filter 11.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides a CNC numerically controlled fraise machine coolant oil filter equipment, includes batch oil tank (1), its characterized in that: the oil storage tank is characterized in that an oil inlet pipe (2) is fixedly connected to the top of the oil storage tank (1), a partition plate (3) is arranged inside the oil storage tank (1), a metal filter screen (5) is fixedly arranged on the right side of an inner cavity of the oil storage tank (1), an oil transfer pump (6) is fixedly arranged on the right side of the oil storage tank (1), an oil transfer pipe (7) is fixedly connected to the right side of the oil transfer pump (6), a flow sensor (8) is fixedly arranged inside the oil transfer pipe (7), an electromagnetic three-way valve (9) is fixedly arranged at the low end of the oil transfer pipe (7), connecting pipes (10) are fixedly connected to the two sides of the electromagnetic three-way valve (9), a first filter (11) and a second filter (12) are fixedly connected to the bottom of the connecting pipes (10), the flow sensor (8) and the electromagnetic three-way valve (9) are electrically connected with a controller (13), the controller (13) is electrically connected with an alarm lamp (14) and a buzzer (15), the low end of the connecting pipe (10) is movably sleeved with a first fixing cap (16), the first fixing cap (16) is sleeved on the top of the first filter (11) in a threaded manner, a sealing plug (17) is movably sleeved on the outer portion of the connecting pipe (10), and a sealing ring (18) is arranged between the connecting pipe (10) and the first filter (11).
2. The CNC milling machine cooling oil filtering device of claim 1, wherein: baffle (3) are located the middle part of batch oil tank (1), baffle (3) divide into about batch oil tank (1) two precipitation tanks (4), two precipitation tank (4) are from the top intercommunication of baffle (3).
3. The CNC milling machine cooling oil filtering device of claim 1, wherein: the outer portion of the connecting pipe (10) is fixedly connected with a fixing flange (101), the bottom of the connecting pipe (10) is fixedly connected with a fixing block (102), and the sealing plug (17) is movably sleeved on a position between the fixing flange (101) and the fixing block (102).
4. The CNC milling machine cooling oil filtering device of claim 1, wherein: the top fixedly connected with connector (111) of first filter (11), first seal groove (112) have been seted up to the inboard of first filter (11), the inside fixedly connected with connecting block (113) of connector (111), second seal groove (114) have been seted up at the top of connecting block (113).
5. The CNC milling machine cooling oil filter equipment of claim 4, characterized in that: the outside fixedly connected with protruding circle (171) of sealing plug (17), protruding circle (171) and first seal groove (112) interference fit, sealing plug (17) are T shape tubbiness structure, the external diameter at sealing plug (17) top is the same with the external diameter of connector (111).
6. The CNC milling machine cooling oil filter equipment of claim 4, characterized in that: the bottom of sealing washer (18) is provided with protruding piece (181), protruding piece (181) and second seal groove (114) interference fit, sealing washer (18) are located between fixed block (102) and connecting block (113).
7. The CNC milling machine cooling oil filtering device of claim 1, wherein: the structure of the first filter (11) is the same as that of the second filter (12), the front faces of the first filter (11) and the second filter (12) are provided with observation windows (19), the bottom parts of the first filter (11) and the second filter (12) are in threaded connection with second fixing caps (20), the second fixing caps (20) correspond to the first fixing caps (16), and the bottom parts of the second fixing caps (20) are connected with oil outlet pipes (21).
8. A CNC milling machine cooling oil filtering apparatus and its filtering method according to any one of claims 1 to 7, wherein: comprises the following steps of (a) carrying out,
s1, cooling oil enters the oil storage tank (1) through the oil inlet pipe (2), large impurities contained in the cooling oil are precipitated in the precipitation tank (4), precipitated upper clear oil overflows to the right side of the partition plate (3), and then the cooling oil is conveyed to the first filter (11) through the oil conveying pipe (7) through the oil conveying pump (6) for filtering;
s2, when the first filter (11) is blocked, the flow sensor (8) detects that the flow inside the oil pipeline (7) is too slow and transmits a signal to the controller (13), the controller (13) controls the electromagnetic three-way valve (9) to be switched to one side of the second filter (12) so that the oil pipeline (7) is communicated with the second filter (12), and the second filter (12) filters the cooling oil to avoid interruption of the cooling oil filtration;
s3, the controller (13) controls the electromagnetic three-way valve (9) to switch and simultaneously transmits signals to the alarm lamp (14) and the buzzer (15), and the alarm lamp (14) flashes and the buzzer (15) sounds to remind an operator of replacing the first filter (11);
s4, the operator finds the first filter (11), unscrews the first fixing cap (16) and the second fixing cap (20), and pulls the connecting pipe (10) and the oil outlet pipe (21) out of the first filter (11) to complete the replacement of the first filter (11).
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| CN202110876453.0A CN113617123A (en) | 2021-07-29 | 2021-07-29 | CNC (computer numerical control) milling machine cooling oil filtering device and filtering method thereof |
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| CN202110876453.0A CN113617123A (en) | 2021-07-29 | 2021-07-29 | CNC (computer numerical control) milling machine cooling oil filtering device and filtering method thereof |
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Application publication date: 20211109 |