CN115554751B - Machine tool with cutting fluid rapid filtering device - Google Patents
Machine tool with cutting fluid rapid filtering device Download PDFInfo
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- CN115554751B CN115554751B CN202211556872.7A CN202211556872A CN115554751B CN 115554751 B CN115554751 B CN 115554751B CN 202211556872 A CN202211556872 A CN 202211556872A CN 115554751 B CN115554751 B CN 115554751B
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- 239000002173 cutting fluid Substances 0.000 title claims abstract description 36
- 238000001914 filtration Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 114
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 abstract description 22
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000005192 partition Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000005909 Kieselgur Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- 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
- B01D29/01—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 flat filtering elements
- B01D29/03—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 flat filtering elements self-supporting
-
- 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
- B01D29/56—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 in series connection
- B01D29/58—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 in series connection arranged concentrically or coaxially
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a machine tool with a cutting fluid rapid filtering device, which relates to the technical field of filtering of numerical control machine tools and comprises a machine tool main body, wherein a cutting fluid spray pipe, a filter, a fluid purification tank and a dirty fluid tank are arranged outside the machine tool main body; the filter comprises a barrel body and a bottom platform, a hollow support shaft and a separation barrel with a filter disc are arranged in the barrel body, and a plurality of separation rings are arranged on the inner wall of the barrel body; a liquid outlet pipe is arranged on the side wall of the base platform, a plurality of liquid inlet channels and flow guide channels are arranged in the inner wall of the barrel body, a liquid inlet pipe and a flow guide pipe are arranged on the side wall of the base platform, the flow guide pipe and the liquid inlet pipe are communicated with each other, and a conveying pump and a storage barrel are arranged in the middle of the flow guide pipe and the liquid inlet pipe; the liquid outlet pipe is connected with the liquid purifying box, and the liquid inlet pipe is connected with the liquid purifying box and the dirty liquid box through the reversing valve. The machine tool shortens the time of filtering preparation, and the precoating efficiency is improved by dividing the internal space of the barrel body into a plurality of independent precoating subareas; and the inside of the barrel body is in seamless connection with precoating work and filtering work, so that the convenience of matching the filter with a machine tool for use is improved.
Description
Technical Field
The invention relates to the technical field of filtration of numerical control machine tools, in particular to a machine tool with a cutting fluid rapid filtration device.
Background
The numerical control machine tool is a machine tool for realizing automatic processing of parts, cutting fluid is required to be used in the grinding process of the numerical control machine tool, the cutting fluid can lose efficacy after being used for a certain time and becomes waste liquid, the main reason of the failure is that impurities such as metal chips, dust, abrasive particles and the like can be mixed in the using process, and when the content of the impurities is too high, the surfaces of a cutter and a processed product can be damaged, so that the production is influenced. Therefore, the filter is required to be additionally arranged on the numerical control machine tool, and the cutting fluid is continuously filtered through the filter so as to guarantee the cutting effect of the cutter.
Chinese patent with patent publication No. CN215317419U provides a digit control machine tool that cutting fluid circulated use, including the digit control machine tool main part, the bottom fixedly connected with collecting box of digit control machine tool main part, the bottom fixedly connected with of digit control machine tool main part inner chamber is collected and is fought, the bottom of collecting the fill runs through to the top of collecting box inner chamber, the equal fixedly connected with slide rail in both sides of collecting box inner chamber, the filter frame is used to the relative one side fixed connection of slide rail, the front of filtering the frame extends to the front and the fixedly connected with closing plate of collecting box.
But the inside impurity that can have the tiny granule still of repeated filterable cutting fluid, in order to improve the filter effect of cutting fluid, generally can add the diatomaceous earth filter aid in the rose box among the prior art, the diatomaceous earth filter aid can pile up and form the precoating on the filter screen surface repeatedly, utilize microporous structure and crooked runner in the precoating can effectively filter the tiny suspended solid, but among the prior art, the artifical precoating process of filter aid is very complicated and inconvenient, this preparation time before leading to the lathe to start is longer, influence the actual machining efficiency of part.
Disclosure of Invention
The invention aims to provide a machine tool with a cutting fluid rapid filtering device, which has the advantages of partition precoating, uniform and synchronous precoating, direct filtration starting after the precoating is finished and simple operation.
The invention is realized by the following technical scheme:
a machine tool with a cutting fluid rapid filtering device comprises a machine tool main body, wherein a cutting fluid spray pipe is arranged in the machine tool main body, and a filter, a clean fluid tank and a dirty fluid tank are arranged outside the machine tool; the filter comprises a barrel body and a bottom platform positioned at the bottom of the barrel body, a hollow supporting shaft is arranged at the axis in the barrel body, a separating barrel is sleeved outside the hollow supporting shaft, a plurality of filter discs are sequentially arranged on the peripheral wall of the separating barrel, a plurality of separating rings are arranged on the inner wall of the barrel body from top to bottom, and when the filter discs rise and abut against the corresponding separating rings, the inner parts of the filter discs and the separating rings are communicated; a liquid outlet pipe communicated with the inside of the hollow support shaft is arranged on the side wall of the bottom platform, a plurality of liquid inlet channels and a plurality of flow guide channels are arranged in the inner wall of the barrel body, a liquid inlet pipe communicated with all the liquid inlet channels simultaneously and a flow guide pipe communicated with all the flow guide channels simultaneously are arranged on the side wall of the bottom platform, the flow guide pipe and the liquid inlet pipe are communicated with each other, and a conveying pump and a storage barrel for storing a filter aid are arranged between the flow guide pipe and the liquid inlet pipe; the liquid outlet pipe is connected with the liquid purifying box, and the liquid inlet pipe is connected with the liquid purifying box and the dirty liquid box through the reversing valve.
Further setting the following steps: the top end of the barrel body is of an opening structure, a barrel cover is arranged at an opening of the barrel body, and a plurality of lock pins used for compressing the barrel cover are hinged to the periphery of the opening of the barrel body.
Further setting the following steps: a plurality of holes have been seted up to hollow back shaft lateral wall, separate a section of thick bamboo lateral wall and seted up a plurality of outer holes, and the filter disc is inside through hole and outer hole and the inside intercommunication of hollow back shaft, and the conducting hole has been seted up at the top of hollow back shaft, separates the top of a section of thick bamboo and has seted up a plurality of mutual holes, and the inside recess of accomodating that is used for separating a section of thick bamboo top and stretches into that is provided with of bung.
Further setting as follows: a plurality of inner drainage channels are arranged at the outer edge of each filter disc, a plurality of outer drainage channels are arranged at the inner edge of each partition ring, a plurality of inlets of each drainage channel are respectively communicated with one outer drainage channel in each partition ring, and an automatic opening and closing structure is arranged at each inner drainage channel or each outer drainage channel to realize the connection between the filter discs and the partition rings during the butt joint.
Further setting the following steps: the automatic opening and closing structure comprises an adjusting groove, a sealing plate is arranged in the adjusting groove in a sliding mode and is fixed in the adjusting groove through a return spring, the end portion of the sealing plate is arranged in a cambered surface mode, and a conducting groove is formed in the center of the cambered surface; when the separating ring is not abutted with the filter disc, the outer drainage channel and the inner drainage channel are both closed by the sealing plates at corresponding positions; when the separating ring is abutted against the filter disc, the sealing plate is pressed into the adjusting groove, and the outer drainage channel is communicated with the corresponding inner drainage channel.
Further setting as follows: the inner edge of the separating ring and the outer edge of the filter disc are both arranged in a wedge shape, and the inner diameter of the separating ring is equal to the outer diameter of the filter disc.
Further setting the following steps: and manual regulating valves are arranged on the liquid outlet pipe, the liquid inlet pipe and the flow guide pipe.
Further setting the following steps: one end of the guide pipe is provided with a one-way valve.
Further setting as follows: the liquid inlet pipe is provided with a flow meter.
In conclusion, the beneficial technical effects of the invention are as follows:
(1) Before the machine tool is used, the filter aid in the filter can be quickly pre-coated, so that the preparation time of the machine tool is shortened, and the machine tool can conveniently and quickly filter the cutting fluid in the machine tool;
(2) By the ascending of the separating cylinder, all the filter discs are directly abutted with the corresponding separating rings, so that the space inside the barrel body is divided into a plurality of independent precoating zones, and two filter discs in each precoating zone are provided with independent liquid flow channels, so that independent and synchronous precoating can be realized on the double-sided filter screen of each filter disc, the precoating amount is controllable, the precoating time is shortened, and the precoating efficiency is improved;
(3) Through the on-off control to honeycomb duct, feed liquor pipe and drain pipe, realized that staving inside precoats work and filtration work's seamless linking, when easy operation has shortened the preparation of filter long.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall construction of the filter of the present invention;
FIG. 3 is a first cross-sectional view of a filter according to the present invention; (filtration state)
FIG. 4 is a second cross-sectional view of the filter of the present invention; (precoated state)
FIG. 5 is an enlarged view of a portion A of FIG. 3;
FIG. 6 is an enlarged view of a portion B of FIG. 3;
FIG. 7 is a schematic view of the closure plate of the present invention;
FIG. 8 is a schematic sectional view of the barrel of the present invention.
Reference numerals are as follows: 100. a machine tool main body; 101. a cutting fluid spray pipe; 200. a filter; 201. a liquid purification tank; 202. a dirty liquid tank; 203. a diverter valve; 1. a barrel body; 2. a barrel cover; 3. a base table; 4. a hollow support shaft; 41. an inner bore; 42. a via hole; 5. a separation cylinder; 51. an outer bore; 52. an interaction hole; 6. a filter disc; 61. an inner drainage channel; 7. a spacer ring; 71. an outer drainage channel; 8. a liquid outlet pipe; 9. a liquid inlet channel; 10. a liquid inlet pipe; 11. a flow guide channel; 12. a flow guide pipe; 13. a delivery pump; 14. a storage cylinder; 15. a receiving groove; 16. an adjustment groove; 17. closing plates; 18. a return spring; 19. conducting the groove; 20. a lock pin; 24. a manual regulating valve; 25. a one-way valve; 26. a flow rate meter; 27. precoating zones.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, the machine tool with the cutting fluid rapid filtering device disclosed by the invention comprises a machine tool main body 100, wherein a part clamping seat, a tool seat and a cutting fluid spray pipe 101 are arranged in the machine tool main body 100. A filter 200 for filtering the cutting fluid, a clean fluid tank 201 for storing clean cutting fluid, and a dirty fluid tank 202 for storing dirty cutting fluid are mounted on the outer side of the machine tool body 100.
Referring to fig. 2, the filter 200 includes a barrel 1, the top end of the barrel 1 is in an open structure, a barrel cover 2 is installed at the opening of the barrel, and a base 3 is further fixed at the bottom of the barrel 1. An operator can open the barrel cover 2 to conveniently replace the internal parts of the barrel body 1. The opening periphery of the barrel body 1 is hinged with a plurality of lock pins 20, the lock pins 20 surround the periphery of the barrel body 1 at equal intervals, and the outer edge of the barrel cover 2 is fixed with a plurality of lock catches which are correspondingly matched with the lock pins 20. After the barrel cover 2 is attached to the barrel body 1, the barrel cover 2 is pressed tightly through the lock pin 20, so that the inside of the barrel body 1 becomes a closed space isolated from the external environment.
Referring to fig. 3-6, a hollow support shaft 4 is arranged at the central axis in the barrel body 1, the bottom of the hollow support shaft 4 is directly fixed with the bottom of the inner wall of the barrel body 1, a plurality of separating cylinders 5 are sleeved outside the hollow support shaft 4, and the separating cylinders 5 can slide along the axial direction of the hollow support shaft 4. The inside of the barrel cover 2 facing the side wall of the barrel 1 is provided with a circular receiving groove 15, and the inner diameter of the receiving groove 15 is equal to the outer diameter of the separating barrel 5, so that the top end of the separating barrel 5 can extend into the receiving groove 15 in the ascending process. The partition cylinder 5 has a plurality of filter disks 6 sequentially fixed to the peripheral wall thereof in the axial direction, and the plurality of filter disks 6 are arranged in an up-down manner at equal intervals, and in this embodiment, the number of filter disks 6 is eight. The filter disc 6 is formed by splicing an upper filter screen and a lower filter screen, the interior of the filter disc is of a hollow structure, the filter screens are used for directly filtering cutting fluid, a support body used for fixing the two filter screens is arranged at the outer edge of the filter disc 6, a plurality of inner flow guide channels 61 are formed in the support body, the inner flow guide channels 61 are directly communicated with the interior of the filter disc 6 and the exterior of the filter disc 6, the inner flow guide channels 61 are annularly distributed on the support body, and 16-24 inner flow guide channels 61 are arranged on the peripheral side of each filter disc 6.
The side wall of the hollow support shaft 4 is provided with a plurality of inner holes 41, and every 6-12 inner holes 41 are surrounded into a circle and are positioned on the same excircle line of the hollow support shaft 4, and the number of the circle is eight. The side wall of the separating cylinder 5 is provided with a plurality of outer holes 51, every 6-12 outer holes 51 surround into a circle and are positioned on the same excircle line of the separating cylinder 5, the circle has eight positions which are in one-to-one correspondence with the eight filter discs 6, and each outer hole 51 is communicated into the inner space of the corresponding filter disc 6. After the filter 200 is in a working state, when the separating cylinder 5 is not subjected to external force, the separating cylinder 5 is positioned at the lower half part of the hollow supporting shaft 4 at the moment, each inner hole 41 corresponds to each outer hole 51 one by one, and the inside of the hollow supporting shaft 4 is directly communicated with the inside of the filter disc 6; when the separation cylinder 5 is subjected to buoyancy, the separation cylinder 5 is positioned at the upper half part of the hollow support shaft 4, each inner hole 41 and each corresponding outer hole 51 are staggered one by one, and the inside of the hollow support shaft 4 cannot be communicated with the inside of the filter disc 6.
In order to facilitate the movement of the separation barrel 5, the length of the separation barrel 5 is greater than that of the hollow support shaft 4, a via hole 42 is formed in the top of the hollow support shaft 4, all the space in the hollow support shaft 4 is directly communicated with the top space in the separation barrel 5 through the via hole 42, a plurality of interaction holes 52 are formed in the top of the separation barrel 5, a filter screen (shown in the figure) is also installed in each interaction hole 52, and the separation barrel 5 is communicated with the inner space of the barrel body 1 through the interaction holes 52. After filling into mixed liquid in staving 1, mixed liquid can enter into through mutual hole 52 and separate 5 headspace of section of thick bamboo, along with mixed liquid lasts the input, under the fluid pressure effect, separates 5 come-up of section of thick bamboo and its top can stretch into to accomodate recess 15, and mixed liquid is full of inside staving 1 this moment. In this embodiment, the mixed liquid serves to fill the inside of the filter 200 during the precoating process, and the clean cutting fluid from the clean fluid tank 201 can be used as the mixed liquid.
A plurality of separating rings 7 are fixed on the inner wall of the barrel body 1 from top to bottom, and the separating rings 7 are arranged at equal intervals and correspond to the filter discs 6 one by one. A plurality of outer drainage channels 71 are formed in each separating ring 7, the plurality of outer drainage channels 71 are annularly distributed at the inner edge position of the same separating ring 7, and the number of the outer drainage channels 71 is the same as that of the inner drainage channels 61. The inner edge of the separating ring 7 and the outer edge of the filter disc 6 are arranged in a wedge shape, and the inner diameter of the separating ring 7 is equal to the outer diameter of the filter disc 6. Therefore, in the process of lifting the filter disc 6, the filter disc 6 and the separating ring 7 abut against each other to realize positioning, at the moment, the insides of the filter disc 6 and the separating ring 7 are communicated, and the internal drainage channel 61 or the external drainage channel 71 is provided with an automatic opening and closing structure to realize communication when the filter disc 6 and the separating ring 7 abut against each other.
The automatic opening and closing structure comprises a plurality of adjusting grooves 16 arranged at the end parts of the separating ring 7 or the filter disc 6, a sealing plate 17 is arranged in each adjusting groove 16 in a sliding mode with reference to fig. 6, a return spring 18 is fixed in each adjusting groove 16, the end part of each sealing plate 17 is arranged at one end of each return spring 18, and the sealing plates 17 can be elastically adjusted in the adjusting grooves 16. Meanwhile, the end of the sealing plate 17 is in an arc surface, a conduction groove 19 is formed in the center of the arc surface of the sealing plate 17, and the arc surface of the sealing plate 17 is partially located outside the opening of the adjusting groove 16 when the return spring 18 is not compressed. When the separating ring 7 and the filter disc 6 are not abutted, all the outer drainage channels 71 of the separating ring 7 and all the inner drainage channels 61 of the filter disc 6 are closed by the closing plates 17 at the corresponding positions; when the separating ring 7 and the filter discs 6 abut against each other, the sealing plate 17 is pressed into the adjustment groove 16, the through groove 19 does not obstruct the flow of the mixed liquid, and each external drainage channel 71 of the separating ring 7 and each internal drainage channel 61 of the corresponding filter disc 6 are in one-to-one correspondence and are in direct communication. When mixed liquor is injected into the barrel body 1 to push the separation barrel 5 to rise, all inner holes 41 on the hollow supporting shaft 4 and all outer holes 51 on the separation barrel 5 are staggered mutually until the separation barrel 5 is abutted against the separation ring 7 and the filter disc 6 correspondingly, the outer drainage channel 71 is communicated with the inner drainage channel 61, and the mixed liquor directly enters the flow guide channel 11 through the filter disc 6.
Referring to fig. 3 and 4, during the process of injecting the mixed liquid into the barrel 1, the complete space in the barrel 1 is gradually divided into a plurality of precoat zones 27 by all the filter discs 6 and the separating rings 7, each precoat zone 27 is formed by combining two adjacent separating rings 7 and two filter discs 6 at the same height position with the separating rings, and in the embodiment, the number of the precoat zones 27 is nine. Taking any one precoat zone 27 as an example, the liquid inlet channel 9 in the precoat zone 27 directly conveys the mixed liquid containing the filter aid to the opposite screens of the two filter discs 6, and the mixed liquid passing through the screens is discharged through the partition rings 7 corresponding to the filter discs 6, so that two independent liquid flow passages are provided in each precoat zone 27 corresponding to the two filter discs 6.
Referring to fig. 2 and 3, the inside of the base table 3 is a hollow structure, a liquid outlet pipe 8 is fixed on the side wall of the base table 3, and the end of the liquid outlet pipe 8 extending into the inside of the base table 3 is communicated with the bottom of the hollow support shaft 4 through a bent pipe. A manual regulating valve 24 is fixed on the liquid outlet pipe 8. After the cutting fluid in the barrel body 1 is filtered by the filter disc 6, the cutting fluid enters the hollow supporting shaft 4 and is directly discharged through the liquid outlet pipe 8.
Referring to fig. 2, 3, 6 and 8, a plurality of liquid inlet channels 9 are arranged in the inner wall of the barrel body 1 along the generatrix direction of the barrel body, and the number of the liquid inlet channels 9 is consistent with that of the outer drainage channels 71 on each separating ring 7. Each inlet channel 9 contains an import and nine exports, and nine exports of each inlet channel 9 are crisscross with eight spacer rings 7 and arrange, an import lets in to the bottom table 3 inside. The side wall of the base table 3 is fixed with a liquid inlet pipe 10, and the end part of the liquid inlet pipe 10 extending into the base table 3 is simultaneously communicated with the inlets of all the liquid inlet channels 9 through a bent pipe. The liquid inlet pipe 10 is fixed with a manual regulating valve 24. The liquid inlet pipe 10 is provided with a flow meter 26.
A plurality of flow guide channels 11 are arranged in the inner wall of the barrel body 1 along the generatrix direction of the barrel body, the number of the flow guide channels 11 is consistent with that of the outer flow guide channels 71 on each separating ring 7, and the flow guide channels 11 and the liquid inlet channels 9 are distributed in a staggered mode. Each flow guide channel 11 comprises eight inlets and one outlet, the eight inlets of each flow guide channel 11 are respectively communicated with the eight outer flow guide channels 71 of the eight separating rings 7 on a generating line, and one outlet is communicated into the bottom table 3. The lateral wall of the base table 3 is fixed with a flow guide pipe 12, and the end part of the flow guide pipe 12 extending into the base table 3 is simultaneously communicated with the outlets of all the flow guide channels 11 through a bent pipe. One end of the draft tube 12 far away from the bottom platform 3 is bent and then communicated with the liquid inlet pipe 10. A manual regulating valve 24 is fixed at the end part of the draft tube 12 close to the top platform. The end part of the draft tube 12 close to the liquid inlet tube 10 is provided with a one-way valve 25. Through the setting of the check valve 25, the liquid in the draft tube 12 can only enter from the draft channel 11 and return to the liquid inlet tube 10, thereby entering the interior of the barrel body 1 again.
Referring to fig. 2, a delivery pump 13 and a storage barrel 14 are further installed on the draft tube 12, and the storage barrel 14 is used for storing the diatomite filter aid. The storage cylinder 14 adopts a detachable split structure to realize the addition of the filter aid to the interior of the storage cylinder, and after the mixed liquid enters the guide pipe 12, the manual regulating valve 24 on the liquid inlet pipe 10 is closed, and the liquid circulation inside the filter 200 is realized through the delivery pump 13. Referring to fig. 1, the liquid outlet pipe 8 is directly connected to the clean liquid tank 201, the liquid inlet pipe 10 is connected to the clean liquid tank 201 and the dirty liquid tank 202 through the reversing valve 203, and the communicating object of the liquid inlet pipe 10 can be selected through the reversing valve 203 so that: the liquid inlet pipe 10 is only connected to the clean liquid tank 201 in the pre-coating process, and the liquid inlet pipe 10 is only connected to the dirty liquid tank 202 in the filtering process.
The filter 200 precoating process is as follows: firstly, opening the liquid inlet pipe 10, and closing the liquid outlet pipe 8 and the flow guide pipe 12, wherein the liquid inlet pipe 10 is connected into the liquid purification box 201; mixed liquid is injected into the barrel body 1 from the liquid purifying box 201 through the liquid inlet pipe 10, the mixed liquid simultaneously enters the barrel body 1 from the plurality of liquid inlet channels 9, along with the gradual filling of the mixed liquid in the barrel body 1, the hollow support shaft 4 and the filter discs 6, and after the mixed liquid enters the top space in the separation barrel 5, under the action of liquid pressure, the top end of the separation barrel 5 can extend into the containing groove 15, the separation barrel 5 rises until the outer edge of each filter disc 6 is abutted to the wedge surface of the corresponding separation ring 7, then the sealing plate 17 is pressed into the adjusting groove 16, the inner drainage channel 61 is communicated with the outer drainage channel 71, and a plurality of pre-coating partitions 27 are formed in the barrel body 1; when the flow rate of the flow rate meter 26 is observed to stop, the draft tube 12 is opened, the mixed liquid continuously enters the draft tube 12, the storage barrel 14 and the delivery pump 13 until the mixed liquid is full, and the flow rate of the flow rate meter 26 can be observed to stop again; and finally, closing the liquid inlet pipe 10, starting the delivery pump 13, continuously delivering the filter aid into the barrel body 1, and synchronously realizing repeated precoating on the filter disc 6 of each precoating zone 27.
The filter 200 filters as follows: after the pre-coating is finished, closing the guide pipe 12 and the delivery pump 13, and opening the liquid inlet pipe 10 and the liquid outlet pipe 8, wherein the liquid inlet pipe 10 is connected into the dirty liquid tank 202, and the liquid outlet pipe 8 is connected into the clean liquid tank 201; cutting fluid to be filtered is injected into the barrel body 1 through the liquid inlet pipe 10, at the moment, due to the opening of the liquid outlet pipe 8, mixed liquid in the separation barrel 5 is discharged through the through hole 42, the separation barrel 5 descends to the initial position, the inner hole 41 on the hollow support shaft 4 is in one-to-one correspondence and communication with the outer hole 51 on the separation barrel 5, and the inner drainage channel 61 on the filter disc 6 and the outer drainage channel 71 on the separation ring 7 are closed; the cutting fluid entering the barrel body 1 from the liquid inlet channel 9 enters the filter disc 6 after being filtered by the filter disc 6 and the filter aid on the surface of the filter disc, then enters the hollow supporting shaft 4 through the outer hole 51 and the inner hole 41, and finally is discharged from the liquid outlet pipe 8.
The invention has the beneficial effects that:
the invention can realize rapid filtration of the cutting fluid in the machine tool main body 100, and the filter 200 can realize rapid preparation before the machine tool is used, thereby shortening the preparation time; the integral space inside the barrel body 1 is divided into a plurality of independent precoating subareas 27, and the upper filter screen and the lower filter screen of each filter disc 6 in each precoating subarea 27 are provided with independent liquid flow channels, so that the filter aid can be precoated on the double-sided filter screen of each filter disc 6 synchronously, the precoating amount is completely controllable, the problems that the original mixed liquid can only flow in one direction and the precoating amount is deviated due to uneven content of each position are effectively solved, and the precoating efficiency is improved; the seamless connection of the precoating work and the filtering work in the barrel body 1 is realized by controlling the movement of the separating cylinder 5 and the connection and disconnection of the flow guide pipe 12, and the filter 200 is simpler to operate and improves the convenience of matching use with a machine tool; the invention has compact structure, smaller occupied space and higher economic benefit.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. A machine tool with a device for rapidly filtering cutting fluid, comprising a machine tool body (100), characterized in that: a cutting fluid spray pipe (101) is arranged in the machine tool main body (100), and a filter (200), a clean fluid tank (201) and a dirty fluid tank (202) are arranged outside the machine tool;
the filter (200) comprises a barrel body (1) and a bottom platform (3) positioned at the bottom of the barrel body, a hollow supporting shaft (4) is arranged at the axis in the barrel body (1), a separating cylinder (5) is sleeved outside the hollow supporting shaft (4), a plurality of filter discs (6) are sequentially arranged on the peripheral wall of the separating cylinder (5), a plurality of separating rings (7) are arranged on the inner wall of the barrel body (1) from top to bottom, and when the filter discs (6) rise and abut against the corresponding separating rings (7), the filter discs (6) and the separating rings (7) are communicated with each other;
a liquid outlet pipe (8) communicated with the inside of the hollow support shaft (4) is arranged on the side wall of the base platform (3), a plurality of liquid inlet channels (9) and a plurality of flow guide channels (11) are arranged in the inner wall of the barrel body (1), a liquid inlet pipe (10) communicated with all the liquid inlet channels (9) and a flow guide pipe (12) communicated with all the flow guide channels (11) are arranged on the side wall of the base platform (3), the flow guide pipe (12) and the liquid inlet pipe (10) are communicated with each other, and a conveying pump (13) and a storage barrel (14) used for storing a filter aid are arranged between the flow guide pipe (12) and the liquid inlet pipe (10);
the liquid outlet pipe (8) is connected into the liquid purifying box (201), and the liquid inlet pipe (10) is connected into the liquid purifying box (201) and the dirty liquid box (202) through the reversing valve (203);
a plurality of inner drainage channels (61) are formed in the outer edge position of each filter disc (6), a plurality of outer drainage channels (71) are formed in the inner edge position of each separating ring (7), a plurality of inlets of each flow guide channel (11) are respectively communicated with one outer drainage channel (71) in all the separating rings (7), and an automatic opening and closing structure is arranged at the inner drainage channel (61) or the outer drainage channel (71) to realize the communication when the filter discs (6) are abutted to the separating rings (7);
a plurality of holes (41) have been seted up to hollow back shaft (4) lateral wall, a plurality of outer holes (51) have been seted up to separate a section of thick bamboo (5) lateral wall, inside hole (41) and outer hole (51) and the inside intercommunication of hollow back shaft (4) are passed through in filter disc (6), conducting hole (42) have been seted up at the top of hollow back shaft (4), a plurality of mutual holes (52) have been seted up at the top of separating a section of thick bamboo (5), bung (2) inside is provided with and is used for separating accomodate recess (15) that a section of thick bamboo (5) top stretched into.
2. The machine tool with the cutting fluid rapid filtering device according to claim 1, characterized in that: the top end of the barrel body (1) is of an opening structure, a barrel cover (2) is arranged at an opening of the barrel body, and a plurality of lock pins (20) used for compressing the barrel cover (2) are hinged to the periphery of the opening of the barrel body (1).
3. The machine tool with the cutting fluid rapid filtering device according to claim 1, characterized in that: the automatic opening and closing structure comprises an adjusting groove (16), a sealing plate (17) is arranged in the adjusting groove (16) in a sliding mode, the sealing plate (17) is fixed in the adjusting groove (16) through a reset spring (18), the end portion of the sealing plate (17) is arranged in a cambered surface mode, and a conducting groove (19) is formed in the center of the cambered surface;
when the separating ring (7) is not abutted with the filter disc (6), the outer drainage channel (71) and the inner drainage channel (61) are both closed by the closing plates (17) at corresponding positions;
when the separating ring (7) and the filter disc (6) are abutted, the sealing plate (17) is pressed into the adjusting groove (16), and the outer drainage channel (71) is communicated with the corresponding inner drainage channel (61).
4. A machine tool with a cutting fluid rapid filtering device according to claim 3, characterized in that: the inner edge of the separating ring (7) and the outer edge of the filter disc (6) are both arranged in a wedge shape, and the inner diameter of the separating ring (7) is equal to the outer diameter of the filter disc (6).
5. The machine tool with the cutting fluid rapid filtering device according to claim 1, characterized in that: the liquid outlet pipe (8), the liquid inlet pipe (10) and the flow guide pipe (12) are all provided with manual regulating valves (24).
6. The machine tool with the cutting fluid rapid filtering device according to claim 1, characterized in that: one end of the draft tube (12) is provided with a one-way valve (25).
7. The machine tool with the cutting fluid rapid filtering device according to claim 1, characterized in that: the liquid inlet pipe (10) is provided with a flow meter (26).
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| CN202211556872.7A CN115554751B (en) | 2022-12-06 | 2022-12-06 | Machine tool with cutting fluid rapid filtering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115920508B (en) * | 2023-03-15 | 2023-05-16 | 江苏威泽智能科技股份有限公司 | Filtering device of numerical control machine tool and cleaning method thereof |
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| CN115554751A (en) | 2023-01-03 |
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