CN101927440A - Machine tool capable of using low-temperature cooling media - Google Patents
Machine tool capable of using low-temperature cooling media Download PDFInfo
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- CN101927440A CN101927440A CN 201010141861 CN201010141861A CN101927440A CN 101927440 A CN101927440 A CN 101927440A CN 201010141861 CN201010141861 CN 201010141861 CN 201010141861 A CN201010141861 A CN 201010141861A CN 101927440 A CN101927440 A CN 101927440A
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Abstract
The invention relates to a machine tool capable of using low-temperature cooling media, which belongs to the field of metal cutting machine tools. The machine tool capable of using the low-temperature cooling media is characterized in that: low-temperature or ultralow-temperature gas state, liquid state, gas-liquid mixed state and oil-water mixed state cooling media can be used; surface frost-preventing and water-removing measures comprising a tepid frost-preventing technique are taken to prevent frost formation and water flowing of relative members on a cooling medium conveying channel; furthermore, a preparation system of the low-temperature or ultralow-temperature cooling media is controlled by an electric control system of the machine tool; thermal insulation and frost prevention are performed on a low-temperature pipe, a joint and the like for conveying the cooling media and the low-temperature pipe, and the low-temperature pipe, the joint and the like for conveying the cooling media can be followed with a drag chain of the machine tool; and the problems of water prevention, system connection, low-temperature jet atomization and the like which a low-temperature cutting technique encounters are solved properly, so a basis is provided for updating the machine tool structure and processing with little or no cutting fluid.
Description
Technical field:
The present invention relates to a kind of lathe that uses low-temperature cooling media, relevant with the metal-cutting machine bed technique, be primarily aimed at the change that lathe uses its dependency structure behind the low-temperature cooling media, reaching not can be because of the outside frosting of the low-temperature cooling media transfer passage Xiu Erosion lathe that drips; The low-temperature cooling media conveyance conduit is arranged in order; Can directly close down, control, show the work of low-temperature cooling media preparation system by the Machine-Tool Control plate; Obtain good spraying cooling effect, realize making a kind of purpose of using the lathe of low-temperature cooling media.
Background technology:
The end of the nineties, inventors etc. have tried out compressed-air actuated temperature have been reduced to-20 ℃～-50 ℃, sneak into the very finish of trace, the Cryogenic air ejiction opening are placed the position of a cutting point 20 millimeter of disembarking, aim at the method that cutter carries out the cold nebulization cooling, respond well.
On August 19th, 2009, Zhang Changyi, Yang Lun have declared the patent of invention of a key name for " rotating and directional spraying cooling system " to Patent Office of the People's Republic of China, application number is: 200910104643.X, its purpose is: provide the loss of a kind of cooling medium delivery temperature little, be not subjected to the cutterhead transposition to interfere, can connect automatically, can closely spray the directional spraying cooling system of cooling medium to work Tool in Cutting point.Its feature is:
1. on the transposition cutterhead of lathe, be provided with transition piece with its servo-actuated, on transition piece, be provided with coolant guiding channel, coolant guiding channel can be connected with the external jet pipe of cutter cooling usefulness respectively, the cooling medium ejiction opening of external jet pipe is located at and cooling medium can be sprayed to the position of each Tool in Cutting point or the porch of interior cooling cutter; Each inlet of coolant guiding channel, go to the operating position after, all can connect with the hollow elasticity cover that is fixed on the lathe.
2. the cooling medium feed end of hollow elasticity cover communicates with the cooling medium supply system, the other end can be under elastic reaction, be close to the arrival end that the transposition cutterhead goes to that coolant guiding channel behind the operating position, make corresponding external jet pipe obtain the supply of cooling medium.
3. the hollow elasticity cover can adopt electricity, liquid, pneumatic operated valve class or other flexible fluid input mechanism.
4. cooling medium supply system, being meant to provide normal temperature or cryogenic gaseous, fluid liquid, the system of normal temperature or low temperature gas-liquid mixed attitude fluid, these systems, can be refrigeration machine, the liquid mist generation device, band is pressed low-temperature receiver, air compressor, freezing type drier, cold water (oil) machine etc.
Because this patent of invention is used directional spraying cooling system, the mode of transition piece and the external jet pipe of Duo Gen by on the transposition cutterhead of lathe, being provided with servo-actuated with it, make each cutter spacing on the transposition cutterhead, when work, what can both obtain that the hollow elasticity cover provides comprises: low temperature liquid, cryogenic gaseous or low temperature gas-liquid mixed attitude cooling medium, the cutter cutting point is implemented sub-cooled, reduced the thermal deformation of cutterhead, realized the target of this class machine tool coolant pettinessization, significantly reduced the discharge capacity of cutting fluid, saved the energy, prevented pollution, because the temperature of cutting point reduces, cutter life can prolong, saved tool change time, improved efficient, enterprise is benefited from cleaning processing.
But in application, we find that still there is following deficiency in prior art:
1. when using low-temperature cooling media, because member temperature is low, big with the temperature difference of outside air, the outside of hollow elasticity cover and associated fitting, the frosting phenomenon is serious, and behind the stop supplies low-temperature cooling media, thick frost turns to water, arbitrarily trickling has caused member De Xiu Erosion such as machine tool guideway, housing.
2. the insulating tube that communicates with the cooling medium supply system of hollow elasticity cover is arbitrarily placed, and arrangement is lack of standardization.
3. transition piece is serious with metal making frosting.
4. the low-temperature cooling media supply system is separated with the machine operation system, and the operator is in the lathe workspace, and it is synchronous that difficulty is given the switch of realizing low-temperature cooling media supply system and machine cut process. monitoring and adjustment.
5. mist of oil is adjusted inconvenience, and atomizing effect is not good.Because, in existing cutting technology, micro lubricating (MQL) cutting, used micro-mist of oil is generated through gas-liquid mixed flow adjusting device and injector by normal temperature compressed air; And under low temperature or condition of ultralow temperature, can make injector difficulty and operate as normal because of the low temperature setting blocking channel of finish, even use the low temperature noncongeable oil, also can cause atomizing effect undesirable because of viscosity changes.
6; Do not find the implementation method of a kind of reliable lubricating oil and cooling water mixed flow spraying.
Summary of the invention:
The objective of the invention is to: overcome above-mentioned weak point of the prior art, and the outside of a kind of valve body, joint and correlation function member is provided, the frosting phenomenon is eliminated substantially; Just can directly close down, control, show the working condition of low-temperature cooling media preparation system by console panel; Atomizing effect is good; Insulating tube is arranged the used low temperature of standard or the lathe of ultralow temperature cooling medium.
Generally, the lathe of low-temperature cooling media that uses of the present invention has following feature:
1. can use low temperature or ultralow temperature gaseous state, liquid state, gas-liquid mixed attitude, profit mixed state cooling medium; Valve body on its cooling medium transfer passage, joint and correlation function member take to comprise tepor frost prevention, heat insulation coating, double wall, low thermal conductivity material are made, the low thermal conductivity material adheres to or wrap up the surperficial frost prevention measure that dewaters; Low temperature or ultralow temperature cooling medium preparation system are controlled by the lathe electric-control system; Pipeline that the transporting low temperature cooling medium is used and joint through insulation, frost prevention handle and with the servo-actuated of lathe drag chain.
2. aforesaid gas-liquid mixed attitude cooling medium generates from atomizing adjusting device and mixed flow joint, and these devices can obtain cold airflow or low-temperature water-soluble medium from low temperature or ultralow temperature cooling medium preparation system, from normal temperature finish transfer passage, obtain an amount of normal temperature finish, and produce the jeting effect of gas-liquid, the atomizing of profit mixed flow or the atomizing of gas and oil water mixed flow.
3. to the valve body on the cooling medium transfer passage, joint and correlation function member, can adopt following tepor practice of frost protection: allow thermal medium flow, with the frost prevention on the electrical heating method intensification frosting surface measure that dewaters on frosting surface; Low thermal conductivity village material is made and is meant, the material that is lower than 40k (W/mK) with thermal conductivity factor is made; The low thermal conductivity material adheres to or wraps up and being meant, is lower than the material coating of 5k (W/mK) with thermal conductivity factor, pastes or parcel.
4. the low temperature or the ultralow temperature cooling medium preparation system that use of the present invention can be: gas or liquid refrigerating unit, freezing type drier, vortex flow tubular type refrigerator, heat exchanger, refrigerant reservoir and the fluid supply apparatus that is lower than normal temperature can be provided.
5. used the technology that directly to close down, report to the police, control, show coolant temperature and understanding low temperature or ultralow temperature cooling medium preparation system duty by the Machine Tool Electric Appliance control system.
Description of drawings:
The present invention is that example is described with the lathe.
Accompanying drawing one. be a kind of lathe core texture signal of using low-temperature cooling media,
Accompanying drawing two. be the supplementing structure of accompanying drawing one, wherein:
The 1----valve body; 2----mixed flow joint; 3----correlation function spare (wherein: 3.1--valve core, logical elbow in the 3.2--transition piece, 3.3--); The 4----frost shield; The 5----cryogenic piping; The 6----muff; The 7----airduct; The 8----adjuster that atomizes; 9---finish normal temperature passage; Cooling drill bit in the 10----; 11----transposition cutterhead; 12----cooling medium transfer passage; The 13----knife rest; The inside and outside cooling spray pipe of 14----; The 15----outlet; Cooling lathe tool in the 16----; 17----cools off lathe tool outward; The 18----inlet.
The specific embodiment:
Below, the present invention one is described further in conjunction with the accompanying drawings:
Accompanying drawing one is the machine tool main body structure that typically can use low-temperature cooling media, specifically: this is the machined into portion of a band inclination knife rest, among the figure, on the transposition cutterhead 11 of lathe inclination knife rest 13, be provided with transition piece 3.2 with its servo-actuated, transition piece 3.2 is provided with cooling medium transfer passage 12, and it can be connected with each external jet pipe 14 respectively; External jet pipe 14 is through entering the mouth 18 to outlet 15 acquisition low temperature or ultralow temperature gaseous state, liquid state, gas-liquid mixed attitude or profit mixed state cooling medium from valve core 3.1; In cooling drill bit 10, interior cooling lathe tool 16, cool off lathe tool 17 outward and can from external jet pipe 14 separately, obtain cooling medium respectively.In order to prevent frosting and temperature losses, correlation function spare 3 (contain 3.1,3.2 etc.) adopts the low thermal conductivity material to make, and accepts note of the ancient Chinese temperature frost prevention measure that dewaters.Cooling medium in the valve core 3.1, obtain by mixed flow joint 2, mixed flow joint 2 is actually a gas-liquid mixed flow atomising device, it can obtain the drop finish (finish also can be low temperature resistant certainly) of flow-controllable respectively from atomizing adjuster 8, obtain the gaseous state or the liquid cooling medium (comprising water-soluble cooling agent) of low temperature, ultralow temperature from the cryogenic piping 5 of band muff 6.
The present invention is by accompanying drawing two, do further to replenish to introduce, in order to prevent the frosting of valve body 1, mixed flow joint 2 etc., we they outer setting frost shield 4, frost shield 4 can obtain the supplying fluid medium of relatively-high temperature from airduct 7, and allow these thermal mediums flow, thereby play the effect of frost prevention on the frosting surface of valve body 1, mixed flow joint 2 etc.; Certainly, also can adopt electrical heating to heat up herein, surperficial frost prevention such as heat insulation coating or the parcel measure that dewaters; But heat insulation coating should be selected the alap material of thermal conductivity factor for use.Low temperature or ultralow temperature cooling medium can and can provide the gas-liquid supply system that is lower than normal temperature from gas or liquid refrigerating unit, freezing type drier, vortex flow tubular type refrigerator, heat exchanger, refrigerant reservoir and obtain.
In order to help machine operation, low temperature or ultralow temperature cooling medium preparation system and lathe electric-control system are online, allow it be controlled by the instruction of lathe electric-control system, and close down, report to the police, control, show coolant temperature and understand low temperature or ultralow temperature cooling medium preparation system duty etc. by instruction.
Because mixed flow joint 2 can obtain low temperature, ultralow temperature liquid state or gaseous cooling medium from cryogenic piping 5, therefore, when obtaining water-soluble cooling medium, mix with the lubricating oil of atomizing in the adjuster 8 by the water-soluble cooling medium in mixed flow joint 2, lathe just can obtain the cooling effect of profit mixed flow atomizing, if when obtaining water-soluble cooling Jie and AIR MIXTURES, also can obtain the mixed flow spray effect that Cryogenic air adds suitable quantity of water and oil, play fabulous cooling and lubricating effect.
Because the present invention makes the outside of low temperature valve body, joint and correlation function member, the frosting phenomenon is eliminated substantially; And can directly close down, control, show the work of low-temperature cooling media preparation system by console panel; Insulating tube is arranged standard, and the spraying cooling effect is splendid, therefore, to the renewal of machine tool structure, realizes that the processing of not having cutting fluid less provides foundation.
Claims (5)
1. can use the lathe of low-temperature cooling media, it is characterized in that: gaseous state, liquid state, gas-liquid mixed attitude, the profit mixed state cooling medium that can use low temperature or ultralow temperature; Valve body on its cooling medium transfer passage, joint and correlation function member take to comprise, measure that tepor frost prevention, heat insulation coating, double wall, application of vacuum, low thermal conductivity material are made, the low thermal conductivity material adheres to or the surperficial frost prevention of wrapping up dewaters; Low temperature or ultralow temperature cooling medium preparation system are controlled by the lathe electric-control system; Carry cryogenic piping that cooling medium uses and joint through insulation, frost prevention handle and with the servo-actuated of lathe drag chain.
2. the lathe that uses low-temperature cooling media as claimed in claim 1, it is characterized in that: described gas-liquid mixed attitude cooling medium generates from atomizing adjusting device and mixed flow joint, and these devices can obtain cold airflow or low-temperature water-soluble medium from low temperature or ultralow temperature cooling medium preparation system, from normal temperature finish transfer passage, obtain an amount of normal temperature finish, and produce the effect of gas-liquid or the atomizing of profit mixed flow.
3. the lathe that uses low-temperature cooling media as claimed in claim 1 is characterized in that: described tepor practice of frost protection is meant, allows thermal medium flow on the frosting surface, with the frost prevention on the electrically heated method intensification frosting surface measure that dewaters; Low thermal conductivity village material is made and is meant, the material that is lower than 40k (W/mK) with thermal conductivity factor is made; The low thermal conductivity material adheres to or wraps up and being meant, is lower than the material coating of 5k (W/mK) with thermal conductivity factor, pastes or parcel.
4. the lathe that uses low-temperature cooling media as claimed in claim 1 is characterized in that: described low temperature or ultralow temperature cooling medium preparation system comprise: gas or liquid refrigerating unit, freezing type drier, vortex flow tubular type refrigerator, heat exchanger, refrigerant reservoir and the fluid feed system that is lower than normal temperature can be provided.
5. the lathe that uses low-temperature cooling media as claimed in claim 1, it is characterized in that: described low temperature or ultralow temperature cooling medium preparation system are controlled by the lathe electric-control system and are meant, have used the technology that can directly close down, report to the police, control, show cooling medium output temperature and understanding low temperature or ultralow temperature cooling medium preparation system duty by the Machine Tool Electric Appliance control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010141861 CN101927440A (en) | 2010-04-08 | 2010-04-08 | Machine tool capable of using low-temperature cooling media |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010141861 CN101927440A (en) | 2010-04-08 | 2010-04-08 | Machine tool capable of using low-temperature cooling media |
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| CN101927440A true CN101927440A (en) | 2010-12-29 |
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| CN 201010141861 Pending CN101927440A (en) | 2010-04-08 | 2010-04-08 | Machine tool capable of using low-temperature cooling media |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275089A (en) * | 2011-07-12 | 2011-12-14 | 张昌义 | Method for conveying and spraying gaseous cooling lubricant medium to cutting point of vertical lathe |
| CN106964828A (en) * | 2017-03-01 | 2017-07-21 | 大连理工大学 | A kind of hollow handle of a knife of direct-connected conveying type of ultralow temperature medium main shaft |
| CN109158947A (en) * | 2018-09-29 | 2019-01-08 | 王冬冬 | A kind of cutter cooling and lubricating system |
| CN109834505A (en) * | 2019-01-18 | 2019-06-04 | 佛山市顺德区郑敬诒职业技术学校 | A kind of cutting fluid output device |
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| JPH0584637A (en) * | 1991-09-24 | 1993-04-06 | Takamisawa Cybernetics Co Ltd | Cooling device for cutting at low temperature |
| CN1534229A (en) * | 2003-04-01 | 2004-10-06 | 重庆成田低温加工技术有限公司 | Cooling medium vacuum insulating transfer channel |
| CN1537700A (en) * | 2003-04-15 | 2004-10-20 | 张昌义 | Automatic butter connection mechanism for capstan and low-temp. fluid delivery unit |
| CN2861891Y (en) * | 2005-11-01 | 2007-01-24 | 程暄 | Cryogenic cold air blast jet machine |
| CN201009115Y (en) * | 2005-10-25 | 2008-01-23 | 张昌义 | Cold source follow-up type carriage |
| CN101209528A (en) * | 2006-12-26 | 2008-07-02 | 浙江工业大学 | Cooling device for cutting process |
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2010
- 2010-04-08 CN CN 201010141861 patent/CN101927440A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0584637A (en) * | 1991-09-24 | 1993-04-06 | Takamisawa Cybernetics Co Ltd | Cooling device for cutting at low temperature |
| CN1534229A (en) * | 2003-04-01 | 2004-10-06 | 重庆成田低温加工技术有限公司 | Cooling medium vacuum insulating transfer channel |
| CN1537700A (en) * | 2003-04-15 | 2004-10-20 | 张昌义 | Automatic butter connection mechanism for capstan and low-temp. fluid delivery unit |
| CN201009115Y (en) * | 2005-10-25 | 2008-01-23 | 张昌义 | Cold source follow-up type carriage |
| CN2861891Y (en) * | 2005-11-01 | 2007-01-24 | 程暄 | Cryogenic cold air blast jet machine |
| CN101209528A (en) * | 2006-12-26 | 2008-07-02 | 浙江工业大学 | Cooling device for cutting process |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275089A (en) * | 2011-07-12 | 2011-12-14 | 张昌义 | Method for conveying and spraying gaseous cooling lubricant medium to cutting point of vertical lathe |
| CN106964828A (en) * | 2017-03-01 | 2017-07-21 | 大连理工大学 | A kind of hollow handle of a knife of direct-connected conveying type of ultralow temperature medium main shaft |
| CN106964828B (en) * | 2017-03-01 | 2018-11-09 | 大连理工大学 | A kind of hollow handle of a knife of direct-connected conveying type of ultralow temperature medium main shaft |
| CN109158947A (en) * | 2018-09-29 | 2019-01-08 | 王冬冬 | A kind of cutter cooling and lubricating system |
| CN109834505A (en) * | 2019-01-18 | 2019-06-04 | 佛山市顺德区郑敬诒职业技术学校 | A kind of cutting fluid output device |
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Open date: 20101229 |