CN102275089A - Method for conveying and spraying gaseous cooling lubricant medium to cutting point of vertical lathe - Google Patents

Method for conveying and spraying gaseous cooling lubricant medium to cutting point of vertical lathe Download PDF

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Publication number
CN102275089A
CN102275089A CN2011101936655A CN201110193665A CN102275089A CN 102275089 A CN102275089 A CN 102275089A CN 2011101936655 A CN2011101936655 A CN 2011101936655A CN 201110193665 A CN201110193665 A CN 201110193665A CN 102275089 A CN102275089 A CN 102275089A
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cooling
cutting point
gaseous
vertical lathe
gaseous fluid
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CN2011101936655A
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张昌义
杨伦
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Abstract

The invention relates to a method for conveying and spraying a gaseous cooling lubricant medium to a cutting point of a vertical lathe, relating to the technology of the metal-cutting machine tool. The method is mainly used for conveying the gaseous cooling lubricant medium to the cutting point of the vertical lathe and for short-distance spray cooling, thereby achieving the purposes of reducing cutting temperature rise and preventing the interference of the cuttings to an injection pipe and the interference of the injection pipe to a cutting region as well as realizing internal and external cooling processing of the vertical lathe by using the normal-temperature/low-temperature gaseous cooling lubricant medium. The method is characterized in that: a gaseous fluid channel previously subjected to heat preserving frost prevention treatment is arranged inside or outside the ram of the vertical lathe and synchronously moves along with the ram; and the input opening of the channel is communicated with a gaseous cooling medium supply system, while the output opening thereof is communicated with an external cooling injection pipe or a random distribution pipe through a special joint, so that the gaseous fluid channel is capable of spraying a gaseous fluid to the cutting point of an externally cooled cutter or inputting the same to the inlet of an internally cooled tool; therefore, the method for conveying and spraying the gaseous cooling lubricant medium to the cutting point of the vertical lathe is established.

Description

The conveying injection method of vertical lathe cutting point gaseous state cooling and lubricating medium
Technical field:
The conveying injection method of vertical lathe cutting point gaseous state cooling and lubricating medium, relevant with the Metal Cutting Machine Tool manufacturing technology, relate generally to the cooling and lubricating of the vertical lathe grinding point of gaseous state cooling and lubricating medium, guarantee that from structure gaseous state or cryogenic gaseous cooling medium spray to the smooth delivery of power of cutting point, reach and reduce temperature losses and the convenient purpose of using.
Background technology:
Vertical lathe is a kind of common Metal Cutting Machine Tool, and at present, the type of cooling in working angles mainly contains two kinds, the one, cooling naturally, the 2nd, cutting fluid cooling, from the existing machine tool structure: because the former does cutting, lathe does not dispose cutting fluid supply, recovery and the circulatory system; Remove high-end lathe, can use high linear velocity, high strength cutter, cutting-in seldom to carry out beyond the so-called high speed and dry cutting, common vertical lathe by the nature cooling, heat in metal cutting is all distributed bad; Because cutter can not get effectively cooling and lubricated, therefore, stock-removing efficiency is generally lower.The latter is the wet type cutting, and lathe is furnished with complicated cutting fluid supply, recovery and the circulatory system; Can be with a large amount of cutting fluid spray cast cutting points to take away heat in metal cutting, to improve lubricating condition, therefore, the service life of cutter is longer relatively, and stock-removing efficiency is higher relatively; But, because a large amount of cutting fluid of using has caused the pollution of environment again.As everyone knows: the final home to return to of cutting fluid is the drinking water source, pollutes from source blocking-up cutting fluid, become from now on one quite over a long time in, the important topic of metal cutting processing industry.
In order to address the above problem, in recent years, the lubricant of sneaking into very trace with compressed air that comes into vogue sprays to cutting point, replaces a large amount of formula that is second to cutting ways that use cutting fluids, is also referred to as the MQL cutting way., again occurred on MQL basis, reduced the low-temperature cold wind cutting way of cutting point temperature rise by cryogenic gas thereafter.
In the research of low-temperature cold wind cutting, we find: because the reason of physical characteristics such as quality, circulation, gas can not to what kind of remote spray cast of cutting fluid; So using gases is during as cooling medium, the ejiction opening that must guarantee injector is aimed at cutting point and is done closely to spray (general ejiction opening is advisable in 20 to 50 millimeter apart from the distance of cutting point), could obtain good effect.But, existing vertical lathe.No matter be the version of nature cooling or Wet-type spray cooling, can the required closely injection structure condition of Full foot gas cooled, more do not possess the function of required insulation practice of frost protection of cryogenic gas course of conveying and gas-liquid mixed flow atomizing.
In order to address the above problem.The inventor had once adopted at vertical lathe knife rest outer wall, and the fixing gas passage of handling through insulation has been installed, and by connector and conduit the cryogenic gaseous cooling medium introduce cutting region, the mode that sprays to cutting point remedies and has the structural deficiency of vertical lathe now.From using: this method can reduce the temperature losses the cryogenic gas course of conveying really, and certain frost prevention effect is also arranged, and, also can realize the closely injection of gaseous cooling medium to cutting point under certain condition.But to depart from the cutter holder center again too far away because the distance that vertical lathe Dao Clip moves up and down with ram long (stroke of the large-scale vertical lathe ram that has can up to 1.5 meters), insulating tube are installed in the knife rest outer wall.If will realize of the closely injection of the total travel of ram to cutting point, the catheter length that is installed on the connector must be greater than the total travel of ram, adjust distance to reserve, find in the application: the conduit of this method is oversize, the supporting rigidity of self is low, when meeting with bulk smear metal or flow chip, its spout is easy to be subjected to the smear metal interference and is offset, cause gaseous cooling medium to influence cutting effect over against the cutting point injection, for this reason, the workman must often adjust the eject position of conduit, and is cumbersome.And, when ram withdrawal knife rest, again can, pressurized long because of conduit, form an arc pipe racks in cutting region, take up room, interfere processing, very inconvenient.
Summary of the invention:
The objective of the invention is to, overcome the deficiency of existing vertical lathe cutting cooling and lubrication technology aspect, can implement inside and outside cooling with lubricated to cutting point with gaseous state cooling and lubricating medium and provide a kind of, guarantee gaseous state or cryogenic gaseous cooling medium to the smooth delivery of power of cutting point and closely injection from structure, reach and reduce temperature transport loss and purpose easy to use, that prevent the pipeline interference.
Feature of the present invention is: the gaseous fluid passage places the inside or the outside of vertical lathe ram, and with the same moved further of ram; Its input port communicates with the gaseous fluid supply system; Its obtains and the gaseous fluid of output, enters outer cooling jet pipe or pipe arrangement at random by special joint, and sprays to the porch of cooling cutter in the cutting point of outer cooling cutter or the input; Formation can be carried the method for spraying gaseous state cooling and lubricating medium to the vertical lathe cutting point.
Another feature of the present invention is: special joint is fixed on the cutter holder or the end of ram; The top of it can be provided with the liquid lubricant service duct, and the liquid road of this passage inlet can obtain the supply of liquid lubricant from the outside, the delivery outlet of this passage can with outer cooling jet pipe or at random pipe arrangement communicate, realize the gas-liquid mixed flow; And can be by adjuster or cool off atomizer on the jet pipe outward, the injection rate of liquid lubricant in regulation and control gas or the cryogenic gas; To obtain the gaseous state cooling and lubricating medium of an amount of gas-liquid mixed ratio, spray to the cutting point of outer cooling cutter or the inlet of the interior cooling of input cutter, spray to cutting point from cutter hub inside.
A feature more of the present invention is: the preparation main body of gaseous fluid supply system can be made up of air compressor, gas refrigeration system, low temperature refrigerant reservoir, the device that cryogenic gas can be provided, the gas-liquid mixed flow atomising device that can sneak into micro-liquid lubricant in gas and industrial gasses supply system; When needing, the gaseous fluid that they are exported, soft thermal insulating pipe that all can be by having taked the insulation practice of frost protection and be arranged on flexible connecting between the drag chain on machine pillar, crossbeam, lathe bed and the main element thereof, under the situation that does not move interference, input has the gaseous fluid passage of insulation practice of frost protection, constitutes complete gaseous cooling medium supply system.
Gaseous fluid passage of the present invention can take to be incubated practice of frost protection, when placing the inside of ram, can gaseous fluid be imported special joint, and carry to cutting point by being arranged on the inner cooling channel of cutter holder inside.
Insulation practice of frost protection of the present invention is meant: with low thermal conductivity material make, parcel, adopt double walled insulation frost prevention structure, adopt vacuum insulation structure and be purpose insulation practice of frost protection to reduce the fluid delivery process temperature losses.
Auspicious before the interface of described liquid road in the present invention, pipe can be set flatten the weighing apparatus device, to prevent that the excessive liquid road of causing of gaseous fluid pressure from stopping up or liquid refluxes.
The present invention compared with prior art has following advantage and beneficial effect: (1) makes vertical turning equipment obtain to be cooling medium and can to sneak into the moderate lubrication agent with gas or cryogenic gas, the conventional method that replaces a large amount of cutting fluid sprays, cast, realized the machine cut point is carried out micro lubricating or low-temperature trace lubricating functions, eliminated pollution; (2) reduced temperature losses in the cryogenic gas course of conveying; (3) the interior cooling of low temperature that has realized vertical turning equipment is processed; When (4) having prevented that injector from closely spraying gaseous state cooling and lubricating medium, bulk smear metal and flow chip are interfered and the eject position skew of generation spout; 5) avoided ram withdrawal knife rest to add man-hour, the conduit pressurized, the arc pipe racks that forms in the processing district takes up room, and interferes phenomenons such as processing; (6) flatten the weighing apparatus device by pipe, prevented that obstruction of liquid road or liquid that gaseous fluid pressure causes when excessive from refluxing, and guarantees the smooth mixed flow of gaseous fluid and fluid liquid.
Description of drawings:
This specification comprises four width of cloth accompanying drawings
Fig. 1. be gaseous fluid passage that the present invention will have the insulation practice of frost protection implementation method figure when placing the vertical lathe ram inner;
Fig. 2. be gaseous fluid passage that the present invention will have the insulation practice of frost protection implementation method figure when placing the vertical lathe ram outside;
Fig. 3. be in the gaseous fluid supply system of the present invention soft thermal insulating pipe and lathe drag chain be connected method for arranging figure;
Fig. 4. be inventor in earlier stage once implemented at vertical lathe knife rest outer wall, the insulating tube that installs and fixes also sprays to the cryogenic gaseous cooling medium by connector and conduit the method figure of cutting point.
Wherein: the 1----cutter holder, the 2----ram, 3----is incubated joint, the 4----knife rest, 5----gaseous fluid passage, 6----is incubated joint, 7----is pipe arrangement at random, cooling cutter in the 8----, 9----liquid road interface, 10---special joint 11----inner cooling channel, 12----cools off jet pipe outward, the 13----atomizer, 14----cools off cutter outward, the gas passage that 15----is fixing, 16----conduit, the 17----soft thermal insulating pipe, the 18----drag chain, 19----prepares main body.
The specific embodiment
Below, the present invention is described further in conjunction with the accompanying drawings,
Fig. 1 is the implementation method when gaseous fluid passage 5 is placed ram 2 inside, and can see among the figure: gaseous fluid passage 5 places the inside of vertical lathe ram 2, and it can be with ram 2 same moved further; Its input port communicates with the gaseous cooling medium supply system; Its delivery outlet through inner cooling path 11 by special joint 10 with outside the cooling jet pipe 12 or at random pipe arrangement 7 communicate, can spray to gaseous fluid the porch of the cutting point or the interior cooling of the input cutter 8 of outer cooling cutter 14, formation can be carried the method for spraying gaseous state cooling and lubricating medium to the vertical lathe cutting point.
Can also see among the figure that special joint 10 is fixed on the Dao Clip 1; Certainly, in case of necessity, also can be fixed on the joint portion of ram 2 Yu Dao Clip 1; Special joint 10 at first is a gaseous fluid conveyer, it can connect outer cooling jet pipe 12 or at random pipe arrangement 7 gaseous fluid is sprayed to the inlet of cooling cutter 8 in the cutting point of outer cooling cutter 14 or the input; Also can be used as the part of gas-liquid microatomization system, the liquid lubricant service duct is set in the above, allow its liquid road interface 9 obtain the supply of liquid lubricant from the outside, and input outer cooling jet pipe 12 or pipe arrangement 7 at random, realize the gas-liquid mixed flow; At this moment, can also pass through adjuster or atomizer 13 disposed thereon, the injection rate of liquid lubricant in regulation and control gas at normal temperature or the cryogenic gas, obtain the gaseous state cooling and lubricating medium of an amount of gas-liquid mixed ratio, spray to the cutting point of outer cooling cutter 14, perhaps cool off the inlet of cutter 8 in the input, spray the gaseous state cooling and lubricating medium that has micro lubricating liquid from cutter hub inside to cutting point.
Can also see among the figure: the preparation main body 19 of gaseous fluid supply system, form by a low temperature cold air jet machine; This machine can be reduced to the air themperature of external air compressor output below-60 ℃, and the soft thermal insulating pipe 17 of insulation practice of frost protection has been taked in input; Soft thermal insulating pipe 17 and 18 of drag chains that are arranged on the main elements such as machine pillar, crossbeam are keeping flexible connecting, can be at following the Cryogenic air that obtains input of the situation that does not move interference gaseous fluid passage 5, this has just constituted described gaseous fluid supply system.Certainly, the mode of gaseous fluid preparation can have a lot of selections, the Cryogenic air that described gaseous fluid also not necessarily just generates by the low temperature cold air jet machine also can be normal air compressor, gas refrigeration system, low temperature refrigerant reservoir, the device of cryogenic gas can be provided and can sneak into the gas-liquid mixed flow atomising device of micro-liquid lubricant and gas that device such as industrial gasses supply system generates in gas.
Can see among the figure: cutter holder 1 is provided with inner cooling path 11, and special joint 10 can obtain the supply of gaseous cooling medium through this passage from gaseous fluid passage 5.Certainly, also inner cooling path 11 can be arranged on the end of ram 2, therefrom gaseous cooling medium input special joint 10.
Among the figure, gaseous fluid passage 5 is made of a vacuum heat-preserving tube, be provided with insulation joint 6 in the junction of it and inner cooling channel 11, and, from the delivery outlet of preparation main body 19 to the inlet of interior cooling cutter 8 or outside cool off the atomizer 13 of jet pipe 12, all passages and member, all can adopt to reduce the fluid temperature (F.T.) loss as one sees fit is purpose insulation and practice of frost protection.
Fig. 2. be the implementation method when placing gaseous fluid transfer passage 5 ram 2 outside, can see among the figure: gaseous fluid passage 5 places the outside of vertical lathe ram 2, pass from the end of knife rest 4, and can be with ram 2 same moved further; Its input port communicates with the gaseous cooling medium supply system; The delivery outlet of gaseous fluid passage 5 communicates with outer cooling jet pipe 12 by special joint 10, can spray to gaseous fluid the cutting point of outer cooling cutter 14; Certainly, also can be as shown in the figure, by pipe arrangement 7 at random the porch of cooling cutter 8 in the gaseous fluid input; All the other methods and Fig. 1 are basic identical.
Fig. 3. be the general configuration of gaseous cooling medium supply system of the present invention, soft thermal insulating pipe shown in the figure 17 and lathe drag chain 18 flexible connectings are on the crossbeam and column of lathe, can be with the planker on the lathe crossbeam, move left and right moves up and down with the crossbeam on the column; Owing to be reserved with certain flexible distance between the interface of soft thermal insulating pipe 17 and gaseous fluid passage 5, therefore, when moving up and down, ram 2 do not have interference yet, guaranteed that the flexibility of gaseous cooling medium supply system is supplied with.
Fig. 4 is the outer wall of inventor in earlier stage once implementing at vertical lathe knife rest 4, and the gas passage 15 and the conduit 16 that install and fix spray to gaseous cooling medium in the method figure of cutting point.Among the figure, be not difficult to find out,, be equipped with fixing gas passage 15, and be connected with conduit 16 with pipe joint in the outboard end of knife rest 14; Because the outer wall of knife rest 14 departs from ram 2, and is too far away from the center of cutter holder 1, it is longer to add the stroke that upper ram 2 stretches out from knife rest 14, therefore, conduit 16 length is set, must be greater than the effective travel of ram 2, adjust distance to reserve, just the sufficient needs that the cutter cutting point is closely sprayed of energy Full; This has just produced the problem shown in the figure:
1. because conduit 16 is oversize, and the self-supporting rigidity is low, when meeting with bulk smear metal or flow chip, the spout of its conduit 16 is easy to be subjected to the smear metal interference and is offset, and causes gaseous cooling medium to influence cutting effect over against the problem of cutting point injection.
2. work as ram 2 withdrawal knife rests 4 and add man-hour, can form an arc pipe racks in cutting region because of conduit 16 long, pressurizeds again, take up room, interfere processing, very inconvenient.
3. cannot solve for above-mentioned reasons, also just can not consider further: cooling cutter 8 on vertical lathe, installing, and connect with a series of associated components of pipe arrangement 7, special joint 10 etc. at random, guarantee the supply problem of gaseous state cooling and lubricating medium from structure, just can not realize also that certainly normal temperature or the low temperature inside and outside cooling of gaseous state cooling and lubricating medium of the present invention on vertical lathe processed.
Imagination is the basis of creating, and the present invention replaces having found problem in the studying for a long period of time of cutting fluid cutting process using gas just, and for addressing these problems, goes to imagine, goes to create.

Claims (6)

1. the conveying injection method of vertical lathe cutting point gaseous state cooling and lubricating medium, it is characterized in that: the gaseous fluid passage places the inside or the outside of vertical lathe ram, and with the same moved further of ram; Its input port communicates with the gaseous fluid supply system; Its obtains and the gaseous fluid of output, enters outer cooling jet pipe or pipe arrangement at random by special joint, and sprays to the porch of cooling cutter in the cutting point of outer cooling cutter or the input; Formation can be carried the method for spraying gaseous state cooling and lubricating medium to the vertical lathe cutting point.
2. the conveying injection method of vertical lathe cutting point gaseous state cooling and lubricating medium as claimed in claim 1 is characterized in that: special joint is fixed on the cutter holder or the end of ram; The top of it can be provided with the liquid lubricant service duct, and the liquid road of this passage inlet can obtain the supply of liquid lubricant from the outside, the delivery outlet of this passage can with outer cooling jet pipe or at random pipe arrangement communicate, realize the gas-liquid mixed flow; And can be by adjuster or cool off atomizer on the jet pipe outward, the injection rate of liquid lubricant in regulation and control gas or the cryogenic gas; To obtain the gaseous state cooling and lubricating medium of an amount of gas-liquid mixed ratio, spray to the cutting point of outer cooling cutter or the inlet of the interior cooling of input cutter, spray to cutting point from cutter hub inside.
3. the conveying injection method of vertical lathe cutting point gaseous state cooling and lubricating medium as claimed in claim 1 is characterized in that: the preparation main body of gaseous fluid supply system can be made up of air compressor, gas refrigeration system, low temperature refrigerant reservoir, the device that cryogenic gas can be provided, the gas-liquid mixed flow atomising device that can sneak into micro-liquid lubricant in gas and industrial gasses supply system; When needing, the gaseous fluid that they are exported, soft thermal insulating pipe that all can be by having taked the insulation practice of frost protection and be arranged on flexible connecting between the drag chain on machine pillar, crossbeam, lathe bed and the main element thereof, under the situation that does not move interference, input has the gaseous fluid passage of insulation practice of frost protection, constitutes complete gaseous cooling medium supply system.
4. the conveying injection method of vertical lathe cutting point gaseous state cooling and lubricating medium as claimed in claim 1, it is characterized in that: the gaseous fluid passage can take to be incubated practice of frost protection, when placing the inside of ram, can be by being arranged on the inner cooling channel of cutter holder inside, gaseous fluid is imported special joint, and carry to cutting point.
5. the conveying injection method of vertical lathe cutting point gaseous state cooling and lubricating medium as claimed in claim 1, it is characterized in that, described insulation practice of frost protection is meant: make, wrap up with low thermal conductivity material, adopt double walled insulation frost prevention structure, adopt vacuum insulation structure and be purpose insulation practice of frost protection to reduce the fluid delivery process temperature losses.
6. the conveying injection method of vertical lathe cutting point gaseous state cooling and lubricating medium as claimed in claim 1, it is characterized in that: auspicious before the interface of the described liquid of claim 2 road, pipe can be set flatten the weighing apparatus device, to prevent that the excessive liquid road of causing of gaseous fluid pressure from stopping up or liquid refluxes.
CN2011101936655A 2011-07-12 2011-07-12 Method for conveying and spraying gaseous cooling lubricant medium to cutting point of vertical lathe Pending CN102275089A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105290873A (en) * 2014-07-07 2016-02-03 雷高费克斯股份公司 Supply of coolant or lubricant to non rotating tools
CN112720164A (en) * 2020-12-07 2021-04-30 昆山肯达欧曼燃油喷射系统有限公司 Electric grinding device for vertical lathe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5006021A (en) * 1988-11-16 1991-04-09 Ltv High pressure gas drilling
US20040089963A1 (en) * 2002-09-20 2004-05-13 Olari John R. Process for machining a flexible foam
CN2790668Y (en) * 2005-04-30 2006-06-28 长沙金岭机床有限责任公司 Horizontal lathe cooling device
CN201006556Y (en) * 2007-01-11 2008-01-16 沈阳市大鑫数控机械有限责任公司 Drill centres machine tool
CN101927440A (en) * 2010-04-08 2010-12-29 张震 Machine tool capable of using low-temperature cooling media

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5006021A (en) * 1988-11-16 1991-04-09 Ltv High pressure gas drilling
US20040089963A1 (en) * 2002-09-20 2004-05-13 Olari John R. Process for machining a flexible foam
CN2790668Y (en) * 2005-04-30 2006-06-28 长沙金岭机床有限责任公司 Horizontal lathe cooling device
CN201006556Y (en) * 2007-01-11 2008-01-16 沈阳市大鑫数控机械有限责任公司 Drill centres machine tool
CN101927440A (en) * 2010-04-08 2010-12-29 张震 Machine tool capable of using low-temperature cooling media

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105290873A (en) * 2014-07-07 2016-02-03 雷高费克斯股份公司 Supply of coolant or lubricant to non rotating tools
CN112720164A (en) * 2020-12-07 2021-04-30 昆山肯达欧曼燃油喷射系统有限公司 Electric grinding device for vertical lathe

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Application publication date: 20111214