CN104786095B - Radiating device and method for high-speed cutting tool - Google Patents
Radiating device and method for high-speed cutting tool Download PDFInfo
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- CN104786095B CN104786095B CN201510168463.3A CN201510168463A CN104786095B CN 104786095 B CN104786095 B CN 104786095B CN 201510168463 A CN201510168463 A CN 201510168463A CN 104786095 B CN104786095 B CN 104786095B
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- cooling tube
- cooling
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- coolant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/10—Cutting tools with special provision for cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Surgical Instruments (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a radiating device for a high-speed cutting tool. The radiating device comprises a tool body, a cooling cavity is formed in the tool body, a spraying device is arranged on the outer side of the tool body, a first cooling pipe and a second cooling pipe are arranged in the cooling cavity, an evaporating cavity is formed in the top of the cooling cavity, part of a pipe body of the first cooling pipe is located in the evaporating cavity, a plurality of through holes are formed in the evaporating cavity, a first metal elastic piece is arranged at the position, facing the second cooling pipe, on the first cooling pipe, the top of the first metal elastic piece is connected with an inner metal sleeve, a second metal elastic piece is arranged at the position, back to the first cooling pipe, of the second cooling pipe, the top of the second metal elastic piece is connected with an outer metal sleeve, the outer metal sleeve is provided with a through groove, and the top of the outer metal sleeve is connected with the top of the inner metal sleeve in a sliding and inserting mode. The invention further discloses a radiating method. The radiating device and method for the high-speed cutting tool can overcome the defects in the prior art, and the radiating effect in large-depth cutting is effectively improved.
Description
Technical field
The present invention relates to machine tooling technical field, especially a kind of heat abstractor of high speed cutting tool and its radiating side
Method.
Background technology
During machine tooling, due to the high-speed friction of cutter and workpiece, substantial amounts of heat can be produced, in order to keep
The good cutting power of cutter and the cutting quality of workpiece, need to carry out radiating treatment to frictional heat.Wherein, middle promulgated by the State Council
Bright patent cn 102501132 b discloses a kind of spraying heat abstractor, is relatively advanced a kind of radiating dress in prior art
Put.But, in the machining of big depth, cooling cutting fluid is not easily accessible the cutwork of inside so that this spraying dissipates
The radiating effect of thermal is deteriorated, and the cutter interior chiller of prior art cannot provide enough radiatings to conduct effect
Rate is so that this technical problem annoyings machine tooling enterprise always.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of heat abstractor of high speed cutting tool and its heat dissipating method, energy
Enough solve the deficiencies in the prior art, effectively improve radiating effect during big deep cuts.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows.
A kind of heat abstractor of high speed cutting tool, including cutter body, is provided with cooling chamber, cutter in cutter body
The outside of body is provided with sprayer unit, is provided with the first cooling tube and the second cooling tube, the first cooling in described cooling chamber
Pipe is be arranged in parallel with the second cooling tube, and the first cooling tube is located at the outside of the second cooling tube, is filled with conduction oil in cooling chamber, cold
But chamber roof is provided with evaporation cavity, and the part body of the first cooling tube is located in evaporation cavity, and evaporation cavity is provided with
Several through holes, towards evaporation cavity, the first cooling tube sets towards on the direction of the second cooling tube the injection direction of sprayer unit
It is equipped with the first metal clips, the top of the first metal clips is connected with inner metal sleeve, the second cooling tube dorsad the first cooling tube
Second metal clips is provided with direction, the top of the second metal clips is connected with metal-coating, metal-coating is provided with logical
Groove, metal-coating is plugged on the outside of the second cooling tube, the top of metal-coating and the top slide of inner metal sleeve by groove
It is plugged in together, the bottom of through hole is arranged on the side wall of cutter body, and the lower section of through hole is connected with guiding gutter, the first cooling tube
With a frequency variable circulating pump is respectively arranged with the second cooling tube.
Preferably, the ratio of the internal diameter of described first cooling tube and the second cooling tube is 1:3, the first cooling tube and second cold
But the distance between pipe is equal with the external diameter of the first cooling tube, the wall thickness of the first cooling tube and the second cooling tube be 0.1mm～
0.15mm, the wall thickness of evaporation cavity is 0.8mm～1mm, and the internal diameter of through hole is 0.25mm～0.35mm.
Preferably, being provided with described through hole, u shape is curved, the curved top of u shape is line part, and the curved lower section of u shape is curve
Portion.
Preferably, described sprayer unit includes feed tube, feed tube is connected with trocar sheath, and trocar sheath is internally provided with interior
Sleeve pipe, the lateral wall of inner sleeve is provided with several inlet openings and is connected with trocar sheath, is provided with atomising mechanism in inner sleeve, interior
The outlet of sleeve pipe is located at outside trocar sheath.
Preferably, described atomising mechanism includes several screw rods, screw shaft is connected in inner sleeve, two neighboring screw rod it
Between be provided with row's elastic sheet metal, remain with space, mistake between adjacent screw rod and elastic sheet metal between elastic sheet metal
It is full of cooperation, the direction of rotation of the screw rod of same row's elastic sheet metal both sides is contrary.
Preferably, the coefficient of expansion of described first metal clips is more than the coefficient of expansion of the second metal clips.
Preferably, the outside of described screw rod is evenly arranged with several plectrums, elastic sheet metal is provided with inclined hole, bullet
Property sheet metal surface be provided with sawtooth layer, inclined hole and the angle of sawtooth layer are 90 °, and plectrum is contacted with sawtooth layer.
A kind of heat dissipating method of the heat abstractor for above-mentioned high speed cutting tool, comprises the following steps:
A, in the first cooling tube and the second cooling tube, it is filled with the first coolant and the second coolant respectively, and pass through frequency conversion
Circulating pump is circulated in the first cooling tube and the second cooling tube, and sprayer unit is carried out to evaporation cavity using cutting fluid simultaneously
Injection；
The first coolant rate in b, the first cooling tube changes with the change of the temperature of cutting position, the second cooling
The second coolant rate in pipe changes with the change of heat conduction oil temperature, and the emitted dose of sprayer unit is with the first coolant
Temperature change and change；
After c, cutting terminate, stop the circulation of the first coolant, and keep the second coolant circulation and cutting fluid simultaneously
Normal injection, wholly off after time delay.
Using having the beneficial effects that technique scheme is brought: the present invention solves in prior art spray cooling no
Method gos deep into the problem in cutwork face, and the evaporation being produced in evaporation cavity by cutting fluid is so that cutting fluid can be more
Enter cutwork face, utilize the evaporation of cutting fluid simultaneously, so that the mean temperature in the first cooling tube reduces, thus carrying
The heat conduction efficiency of high cutter interior cooling circulation.The inner metal sleeve of setting and gold between the first cooling tube and the second cooling tube
Belong to overcoat and can effectively carry out heat conduction, thus reducing the hysteresis quality of coolant rate control.Sprayer unit can be real
The combination injection of existing liquid and mist state, and the negative pressure brought using the flow at high speed of cutting fluid drives the spray of mist state cutting fluid
Go out.Compared with common supersonic atomizer or atomizer, the sprayer unit that the present invention provides can provide larger stream
The cutting fluid injection dosage of amount, atomization level is moderate, is suitable for matching with evaporation cavity thus reaching good injection evaporation effect
Really.
Brief description
Fig. 1 is the structure chart of one specific embodiment of the present invention.
Fig. 2 is the structure chart of cooling chamber in one specific embodiment of the present invention.
Fig. 3 is the structure chart of through hole in one specific embodiment of the present invention
Fig. 4 is the structure chart of guiding gutter in one specific embodiment of the present invention.
Fig. 5 is the structure chart of elastic sheet metal in one specific embodiment of the present invention.
In figure: 1, cutter body；2nd, cooling chamber；3rd, sprayer unit；4th, the first cooling tube；5th, the second cooling tube；6th, steam
Send out cavity；7th, through hole；8th, the first metal clips；9th, inner metal sleeve；10th, the second metal clips；11st, metal-coating；12nd, groove；
13rd, guiding gutter；14th, adjusting lever；15th, u shape is curved；16th, line part；17th, curve part；18th, feed tube；19th, trocar sheath；20th, inner sleeve
Pipe；21st, inlet opening；22nd, screw rod；23rd, elastic sheet metal；24th, plectrum；25th, sawtooth layer；26th, inclined hole；27th, deflection plate；28th, narrow
Seam；29th, baffle plate.
Specific embodiment
All can commercially using the standardized element arriving in the present invention, shaped piece is according to description and accompanying drawing
Record and all can carry out customized, the concrete connected mode of each part all adopts the bolt of maturation, rivet, weldering in prior art
The conventional meanses such as connect, paste, will not be described in detail herein.
Reference picture 1-5, one specific embodiment of the present invention includes cutter body 1, is provided with cooling chamber in cutter body 1
Room 2, the outside of cutter body 1 is provided with sprayer unit 3, is provided with the first cooling tube 4 and the second cooling in described cooling chamber 2
Pipe 5, the first cooling tube 4 is be arranged in parallel with the second cooling tube 5, and the first cooling tube 4 is located at the outside of the second cooling tube 5, cooling chamber
It is filled with conduction oil, cooling chamber 2 top is provided with evaporation cavity 6, the part body of the first cooling tube 4 is located at evaporation cavity in room 2
In body 6, evaporation cavity 6 is provided with several through holes 7, the injection direction of sprayer unit 3 is towards evaporation cavity 6, the first cooling
Pipe 4 is provided with the first metal clips 8 towards on the direction of the second cooling tube 5, and the top of the first metal clips 8 is connected with metal
Set 9, the second cooling tube 5 is dorsad provided with the second metal clips 10, the top of the second metal clips 10 on the direction of the first cooling tube 4
Portion is connected with metal-coating 11, and metal-coating 11 is provided with groove 12, and it is cold that metal-coating 11 is plugged on second by groove 12
But the outside of pipe 5, the top of metal-coating 11 is plugged in together with the top slide of inner metal sleeve 9, and the bottom of through hole 7 is arranged on
On the side wall of cutter body 1, the lower section of through hole 7 is connected with guiding gutter 13, and the first cooling tube 4 and the second cooling tube 5 set respectively
It is equipped with a frequency variable circulating pump (not shown).The internal diameter of the first cooling tube 4 is 2.5mm, and the internal diameter of the second cooling tube 5 is
7.5mm, the distance between the first cooling tube 4 and the second cooling tube 5 are equal with the external diameter of the first cooling tube 4, the first cooling tube 4
Wall thickness is 0.12mm, and the wall thickness of the second cooling tube 5 is 0.15mm, and the wall thickness of evaporation cavity 6 is 0.8mm, and the internal diameter of through hole 7 is
0.3mm.The top being provided with u shape curved 15, u shape curved 15 in through hole 7 is line part 16, and the lower section of u shape curved 15 is curve part 17.Spray
Mist device 3 includes feed tube 18, and feed tube 18 is connected with trocar sheath 19, and trocar sheath 19 is internally provided with inner sleeve 20, inner sleeve
20 lateral wall is provided with several inlet openings 21 and is connected with trocar sheath 19, is provided with atomising mechanism, inner sleeve in inner sleeve 20
The outlet of pipe 20 is located at outside trocar sheath 19.Atomising mechanism includes several screw rods 22, and screw rod 22 axle is connected in inner sleeve 20, phase
It is provided with row's elastic sheet metal 23 between adjacent two screw rods 22, between elastic sheet metal 23, remain with space, adjacent screw rod
Interference fit between 22 and elastic sheet metal 23, the direction of rotation of the screw rod 22 of same row's elastic sheet metal 23 both sides is contrary.Spiral shell
The outside of bar 22 is evenly arranged with several plectrums 24, and elastic sheet metal 23 is provided with inclined hole 26, the table of elastic sheet metal 23
Face is provided with sawtooth layer 25, and inclined hole 26 is 90 ° with the angle of sawtooth layer 25, and plectrum 24 is contacted with sawtooth layer 25.First metal
The coefficient of expansion of shell fragment 8 is 71.5, and the coefficient of expansion of the second metal clips 10 is 43.2.It is provided with several foldings in guiding gutter 13
Stream plate 27, is provided with slit 28 between the bottom of deflection plate 27 and guiding gutter 13.
For the heat dissipating method of the heat abstractor of above-mentioned high speed cutting tool, comprise the following steps:
A, in the first cooling tube 4 and the second cooling tube 5, it is filled with the first coolant and the second coolant respectively, and by becoming
Frequency circulating pump is circulated in the first cooling tube 4 and the second cooling tube 5, and sprayer unit 3 uses cutting fluid to evaporation cavity simultaneously
Body 6 is sprayed, and spray angle is 25 °；
The first coolant rate in b, the first cooling tube 4 changes with the change of the temperature of cutting position, its change
Rule is: q1=k1*t1 2, q1For the first coolant rate, t1For cutting position temperature, k1For the first proportionality coefficient；
The second coolant rate in second cooling tube 5 changes with the change of heat conduction oil temperature, and its Changing Pattern is:
q2=k2* (dt2/ dt) * t2,q2For the second coolant rate, t2For heat conduction oil temperature, k2For the second proportionality coefficient；
The emitted dose of sprayer unit changes with the temperature change of the first coolant, and its Changing Pattern is: q3=k3*t3 2+
k4*t3, q3For sprayer unit emitted dose, t3For the temperature of the first coolant, k3And k4It is respectively the 3rd proportionality coefficient and the 4th ratio
Example coefficient；
After c, cutting terminate, stop the circulation of the first coolant, and keep the second coolant circulation and cutting fluid simultaneously
Normal injection, wholly off after time delay, time delay condition is the first coolant, the second coolant, the temperature of conduction oil all drop
To less than 40 DEG C, and delay time is more than or equal to 10min.
Wherein, the first coolant includes the diphenyl acetic acid first of the ethanol of 25wt%, the propylene glycol monomethyl ether of 2.5wt%, 3wt%
Ester, the sodium citrate of 2wt%, balance of deionized water；Second coolant include the ethanol of 15wt%, the propylene glycol monomethyl ether of 5wt%,
The diethanol phenylate of 0.75wt%, the 2- chloroethyl sodium sulfonate of 3.5wt%, balance of deionized water.
It is provided with baffle plate 29, baffle plate 29 carries out the regulation of upper-lower position by adjusting lever 14 above inlet opening 21.By gear
The change of plate 29 position, thus it is possible to vary the atomization quantity of atomising mechanism.When the temperature of the first coolant raises, reduce baffle plate 29
Position, reduces the atomization quantity of atomising mechanism, when the temperature of the second coolant raises, raises the position of baffle plate 29, improves atomization
The atomization quantity of mechanism, if the temperature of two kinds of coolings all rises, directly improves the flow of cutting fluid.
Present invention is particularly suitable for big depth cuts operating mode for a long time, can effectively protect cutting tool and processing
Part.
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (7)
1. a kind of heat abstractor of high speed cutting tool, including cutter body (1), cutter body is provided with cooling chamber in (1)
(2), the outside of cutter body (1) be provided with sprayer unit (3) it is characterised in that: be provided with first in described cooling chamber (2)
Cooling tube (4) and the second cooling tube (5), the first cooling tube (4) is be arranged in parallel with the second cooling tube (5), the first cooling tube (4) position
It is filled with conduction oil in the outside of the second cooling tube (5), cooling chamber (2), cooling chamber (2) top is provided with evaporation cavity
(6), the part body of the first cooling tube (4) is located in evaporation cavity (6), and evaporation cavity is provided with several through holes on (6)
(7), towards evaporation cavity (6), the first cooling tube (4) is towards the direction of the second cooling tube (5) for the injection direction of sprayer unit (3)
On be provided with the first metal clips (8), the top of the first metal clips (8) is connected with inner metal sleeve (9), the second cooling tube (5)
Second metal clips (10) is dorsad provided with the direction of the first cooling tube (4), the top of the second metal clips (10) is connected with
Metal-coating (11), metal-coating (11) is provided with groove (12), and metal-coating (11) is plugged on second by groove (12)
The outside of cooling tube (5), the top of metal-coating (11) is plugged in together with the top slide of inner metal sleeve (9), through hole (7)
Bottom is arranged on the side wall of cutter body (1), and the lower section of through hole (7) is connected with guiding gutter (13), the first cooling tube (4) and the
One frequency variable circulating pump is respectively arranged with two cooling tubes (5).
2. high speed cutting tool according to claim 1 heat abstractor it is characterised in that: described first cooling tube (4)
Ratio with the internal diameter of the second cooling tube (5) is 1:3, and the distance between the first cooling tube (4) and the second cooling tube (5) are cold with first
But the external diameter of pipe (4) is equal, and the wall thickness of the first cooling tube (4) and the second cooling tube (5) is 0.1mm～0.15mm, evaporation cavity
(6) wall thickness is 0.8mm～1mm, and the internal diameter of through hole (7) is 0.25mm～0.35mm.
3. high speed cutting tool according to claim 1 heat abstractor it is characterised in that: setting in described through hole (7)
There is u shape curved (15), the top of u shape curved (15) is line part (16), the lower section of u shape curved (15) is curve part (17).
4. the high speed cutting tool according to claim 1-3 any one heat abstractor it is characterised in that: described spraying
Device (3) includes feed tube (18), and feed tube (18) is connected with trocar sheath (19), and trocar sheath (19) is internally provided with inner sleeve
(20), the lateral wall of inner sleeve (20) is provided with several inlet openings (21) and is connected with trocar sheath (19), in inner sleeve (20)
It is provided with atomising mechanism, the outlet of inner sleeve (20) is located at outside trocar sheath (19).
5. high speed cutting tool according to claim 4 heat abstractor it is characterised in that: if described atomising mechanism includes
Dry screw rod (22), screw rod (22) axle is connected in inner sleeve (20), is provided with row's elasticity gold between two neighboring screw rod (22)
Belong to piece (23), between elastic sheet metal (23), remain with space, interference between adjacent screw rod (22) and elastic sheet metal (23)
Cooperation, the direction of rotation of the screw rod (22) of same row's elastic sheet metal (23) both sides is contrary.
6. high speed cutting tool according to claim 1 heat abstractor it is characterised in that: described first metal clips
(8) the coefficient of expansion is more than the coefficient of expansion of the second metal clips (10).
7. a kind of heat dissipating method of the heat abstractor for the high speed cutting tool described in the claims 1 it is characterised in that
Comprise the following steps:
A, in the first cooling tube (4) and the second cooling tube (5), it is filled with the first coolant and the second coolant respectively, and by becoming
Frequency circulating pump is circulated in the first cooling tube (4) and the second cooling tube (5), and sprayer unit (3) uses cutting fluid pair simultaneously
Evaporation cavity (6) is sprayed；
The first coolant rate in b, the first cooling tube (4) changes with the change of the temperature of cutting position, the second cooling
The second coolant rate in pipe (5) changes with the change of heat conduction oil temperature, and the emitted dose of sprayer unit (3) is with first
The temperature change of coolant and change；
After c, cutting terminate, stop the circulation of the first coolant, and to keep the second coolant to circulate normal with cutting fluid simultaneously
Injection, wholly off after time delay.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510168463.3A CN104786095B (en) | 2015-04-12 | 2015-04-12 | Radiating device and method for high-speed cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510168463.3A CN104786095B (en) | 2015-04-12 | 2015-04-12 | Radiating device and method for high-speed cutting tool |
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| CN104786095A CN104786095A (en) | 2015-07-22 |
| CN104786095B true CN104786095B (en) | 2017-02-01 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052378B (en) * | 2017-04-13 | 2019-05-10 | 福建工程学院 | The cellular adaptive lathe tool temperature-adjusting device of Two-way Cycle and working method |
| TWI667089B (en) * | 2018-11-30 | 2019-08-01 | 財團法人金屬工業研究發展中心 | Tool holder with internal cooling channel |
| CN112643396B (en) * | 2020-12-08 | 2022-05-17 | 东莞市明骏智能科技有限公司 | Cooling liquid supply mechanism for rotary cutter |
| CN115246024B (en) * | 2022-09-22 | 2022-12-20 | 山东越辰数控设备有限公司 | Aluminum profile production line control system based on data acquisition |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1013083B (en) * | 1987-01-10 | 1991-07-10 | 沈阳工业学院 | Low-temp. cutting tool device |
| JP4053331B2 (en) * | 2002-03-29 | 2008-02-27 | 東芝機械株式会社 | Machine tool spindle |
| JP4908900B2 (en) * | 2006-04-07 | 2012-04-04 | ユニタック株式会社 | Deep hole cutting equipment |
| JP2010142889A (en) * | 2008-12-17 | 2010-07-01 | Mitsubishi Electric Corp | Tool holder, cutting fluid supply plate for holding tool and cutting method |
| CN102513563B (en) * | 2011-12-15 | 2013-10-30 | 株洲钻石切削刀具股份有限公司 | Cutting tool with internal cooling structure |
| CN102501132B (en) * | 2011-12-26 | 2014-04-16 | 东莞市安默琳节能环保技术有限公司 | Low-energy-consumption low-temperature composite spray cutting system |
| CN103586735A (en) * | 2013-11-20 | 2014-02-19 | 河海大学常州校区 | Internal cooled cutter handle |
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Inventor after: Fu Deya Inventor after: Tan Fengliang Inventor after: Shen Lianqiu Inventor before: Li Mengping |
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Effective date of registration: 20161129 Address after: 417000 Hunan city in Loudi Province Economic Development Zone Jetion Road East Wanda Industrial Park No. fifth building Applicant after: Loudi Hong Shen Technology Co., Ltd. Address before: 644308 Qingjiang village, Changning Town, Sichuan Province, No. 4, No. 3, No. Applicant before: Li Mengping |
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Denomination of invention: A heat dissipation device for high-speed cutting tool and its heat dissipation method Effective date of registration: 20220616 Granted publication date: 20170201 Pledgee: China Construction Bank Co.,Ltd. Loudi branch Pledgor: LOUDI HONGSHEN TECHNOLOGY Co.,Ltd. Registration number: Y2022980007898 |