CN103968707B - The manufacture method of the boiling enhanced structure of a kind of double helix - Google Patents
The manufacture method of the boiling enhanced structure of a kind of double helix Download PDFInfo
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- CN103968707B CN103968707B CN201410216399.7A CN201410216399A CN103968707B CN 103968707 B CN103968707 B CN 103968707B CN 201410216399 A CN201410216399 A CN 201410216399A CN 103968707 B CN103968707 B CN 103968707B
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Abstract
The present invention relates to the boiling enhanced structure of a kind of double helix and manufacture method thereof, wherein reinforced structure comprises screw with long screw pitch shape groove and fine pitch spiral groove; Screw with long screw pitch shape groove number is a plurality of, and a plurality of screw with long screw pitch shape grooves are that equidistant array is located at surface of the work; Fine pitch spiral groove quantity is one, is located at surface of the work in scroll.Compared with prior art, the processing method adopting engine lathe to combine with CNC milling machine in the present invention overcomes the unmanageable shortcoming of shape of very low power structure; This boiling enhanced structure can utilize common conventional lathe and frock to process, working (machining) efficiency and cost performance high; The formation surrounding that crosses one another between this Steaming structure helicla flute digests type very low power, the surface area of radiator evaporation ends evaporating surface can be increased, greatly improve core state strengthening boiling performance, there is structure simple, be easy to realize, boiling efficiency is high and be suitable for the features such as industrialization production.
Description
Technical field
The present invention relates to surface heat functional area, specifically the manufacture method of the boiling enhanced structure of a kind of double helix.
Background technology
At present, along with the fast development of electronics integrated technology, the heat dissipation problem of electronic product highlights day by day, has higher requirement to radiating efficiency, and traditional purely hollow or entity is heat sink cannot meet cooling requirements under chip thermal source high heat flux.
Phase transition heat sink is widely used in Aero-Space because radiating efficiency is high, and consumer electronic product is as PC and field of lamp illumination etc.In recent years, heat pipe and soaking plate heat dissipation technology are widely studied, one of key technology of phase-change heat is the conversion efficiency how improving liquid gas two-phase, and one of most crucial technology affecting conversion efficiency is that to change evaporation ends evaporating surface surface texture be that favourable evaporation is seethed with excitement shape.
Existing research shows, the structures such as very low power, micro-wing, micropore can improve nucleate boiling efficiency.Also scholar is had to adopt the methods such as electric spark, laser processing method, sandblasting or flame spraying, pyrolysis electric degree method, sintering process to obtain above favourable boiling structure, but existing boiling enhanced structure also cannot utilize common conventional lathe and frock to process, cause working (machining) efficiency and cost performance lowly, be therefore difficult to realize batch production.
Summary of the invention
Common conventional lathe and frock also cannot be utilized to process for existing boiling enhanced structure, cause working (machining) efficiency and the low problem of cost performance, the invention provides that a kind of structure is simple, boiling efficiency is high, be suitable for the manufacture method of the boiling enhanced structure of double helix that industrialization is produced, concrete scheme is as follows:
A manufacture method for the boiling enhanced structure of double helix, comprises the following steps:
A, process a plurality of screw with long screw pitch shape grooves:
(1) workpiece is installed on independent scroll chuck, then scroll chuck is fixed in CNC milling machine machine table;
(2) taper or half-cone cutter are installed on milling machine spindle;
(3) regulate back engagement of the cutting edge, taper or half-cone cutter are processed to be fed into workpiece centre for movement locus from workpiece edge by the hand of helix of screw with long screw pitch shape groove;
(4) program repeating successively to write by numerical control processes many equidistant array screw with long screw pitch shape grooves;
B, process fine pitch spiral groove:
(1) workpiece is installed on lathe three-claw chuck;
(2) on lathe saddle, install plough and cut-squeezing knife tool, installation direction is vertical with to be processed of workpiece, and point of a knife point height is consistent with workpiece centre height;
(3) back engagement of the cutting edge is regulated, plough cutting-and squeezing knife tool is fed into workpiece centre for movement locus with workpiece edge by the hand of helix of fine pitch spiral groove and processes;
(4) processing is completed according to workpiece required thickness cutoff tool by after cutting workpiece again.
Preferably, the hand of helix of screw with long screw pitch shape groove is identical with the hand of helix of fine pitch spiral groove or contrary.
Preferably, the processing sequence of screw with long screw pitch shape groove and fine pitch spiral groove in no particular order.
Compared with prior art, the beneficial effect of the manufacture method of the boiling enhanced structure of double helix provided by the invention is:
The processing method adopting engine lathe to combine with CNC milling machine in the present invention overcomes the unmanageable shortcoming of shape of very low power structure; This boiling enhanced structure can utilize common conventional lathe and frock to process, working (machining) efficiency and cost performance high; The formation surrounding that crosses one another between this Steaming structure helicla flute digests type very low power, the surface area of radiator evaporation ends evaporating surface can be increased, greatly improve core state strengthening boiling performance, and it is simple to have structure, be easy to realize, boiling efficiency is high and be suitable for the features such as industrialization production; Technical measure is simple and easy to do, has positive technique effect and application value.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, does not form inappropriate limitation of the present invention, in the accompanying drawings:
Fig. 1 is embodiment of the present invention size pitch auger shape groove rotation direction is contrary boiling structure schematic diagram;
Fig. 2 is that after embodiment of the present invention coarse pitch changes, size pitch auger shape groove rotation direction is contrary boiling structure schematic diagram;
Fig. 3 is embodiment of the present invention size pitch auger shape groove rotation direction is identical boiling structure schematic diagram;
Fig. 4 is embodiment of the present invention screw with long screw pitch shape groove boiling structure schematic diagram;
Fig. 5 is bevel tool schematic diagram used on embodiment of the present invention milling machine;
Fig. 6 is that on embodiment of the present invention lathe ,-squeezing knife tool schematic diagram cut by plough used.
Mark: 00-round piece; 1-screw with long screw pitch shape groove; 2-fine pitch spiral groove; 3-center; To be processed of 4-; 5-section; 6-bevel tool;-squeezing knife tool 7 cut by 7-plough; 8-compressive plane; 9-point of a knife.
Detailed description of the invention
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment
As shown in Figures 1 to 4, the boiling enhanced structure of a kind of double helix, comprises screw with long screw pitch shape groove 1 and fine pitch spiral groove 2; Described screw with long screw pitch shape groove 1 quantity is a plurality of, and described in a plurality of, the curved equidistant array of screw with long screw pitch shape groove 1 is located at surface of the work; Described fine pitch spiral groove 2 quantity is one, is located at described surface of the work in scroll.
As the improvement of above-described embodiment scheme, described in a plurality of, the two ends of screw with long screw pitch shape groove 1 lay respectively at center, the outer of workpiece; The two ends of described fine pitch spiral groove 2 lay respectively at center 3, the outer of workpiece, and for the present embodiment round piece, described screw with long screw pitch shape groove 1 all originates in roundlet place, round piece center, ends at round piece outer place.
As the partial replacement of above-described embodiment scheme, the rotation direction of described screw with long screw pitch shape groove 1 and fine pitch spiral groove 2 can be identical clockwise or counterclockwise; The rotation direction of described screw with long screw pitch shape groove 1 and fine pitch spiral groove 2 also can be a contrary type is that another kind of type is counterclockwise clockwise.
As the improvement of above-described embodiment scheme, described screw with long screw pitch shape groove 1 and fine pitch spiral groove 2 can change the size of pitch according to concrete cooling requirements, cross one another to form surrounding and digest type very low power between screw with long screw pitch shape groove 1 and fine pitch spiral groove 2.
As shown in Figures 1 to 6, the manufacture method of the boiling enhanced structure of a kind of double helix, is characterized in that comprising the following steps:
A, process a plurality of screw with long screw pitch shape grooves 1:
(1) workpiece is installed on independent scroll chuck, then scroll chuck is fixed in CNC milling machine machine table;
(2) taper or half-cone cutter 6 are installed on milling machine spindle;
(3) regulate back engagement of the cutting edge, bevel tool 6 or half-cone cutter are processed to be fed into workpiece centre for movement locus from workpiece edge by the hand of helix of screw with long screw pitch shape groove 1;
(4) program repeating successively to write by numerical control processes many equidistant array screw with long screw pitch shape grooves 1;
B, process fine pitch spiral groove 2:
(1) workpiece is installed on lathe three-claw chuck;
(2) on lathe saddle, install plough cut-squeezing knife tool 7, installation direction is vertical with workpiece face to be processed 4, and plough cuts-and squeezing knife tool 7 comprises compressive plane 8 and point of a knife 9, and wherein point of a knife point height is consistent with workpiece centre height;
(3) back engagement of the cutting edge is regulated, plough cutting-and squeezing knife tool 7 is fed into workpiece centre for movement locus with workpiece edge by the hand of helix of fine pitch spiral groove 2 and processes, and can converse lathe spindle rotating speed and-squeezing knife tool 7 feed speed cut by plough by fine pitch spiral groove 2 pitch;
(4) according to workpiece required thickness cutoff tool, workpiece is completed processing after section 5 cuts off again.
As the improvement of above-described embodiment scheme, the hand of helix of screw with long screw pitch shape groove 1 is identical with the hand of helix of fine pitch spiral groove 2 or contrary.
As the improvement of above-described embodiment scheme, the processing sequence of screw with long screw pitch shape groove 1 and fine pitch spiral groove 2 in no particular order, can process prior to fine pitch spiral groove 2 or process in fine pitch spiral groove 2 after screw with long screw pitch shape groove 1 by screw with long screw pitch shape groove 1.
Above the technical scheme that the embodiment of the present invention provides is described in detail, apply specific case herein to set forth the principle of the embodiment of the present invention and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the embodiment of the present invention; Meanwhile, for one of ordinary skill in the art, according to the embodiment of the present invention, detailed description of the invention and range of application all will change, and in sum, this description should not be construed as limitation of the present invention.
Claims (3)
1. a manufacture method for the boiling enhanced structure of double helix, is characterized in that comprising the following steps: A, process a plurality of screw with long screw pitch shape grooves:
(1) workpiece is installed on independent scroll chuck, then scroll chuck is fixed in CNC milling machine machine table;
(2) taper or half-cone cutter are installed on milling machine spindle;
(3) regulate back engagement of the cutting edge, taper or half-cone cutter are processed to be fed into workpiece centre for movement locus from workpiece edge by the hand of helix of screw with long screw pitch shape groove;
(4) program repeating successively to write by numerical control processes many equidistant array screw with long screw pitch shape grooves;
B, process fine pitch spiral groove:
(1) workpiece is installed on lathe three-claw chuck;
(2) on lathe saddle, install plough and cut-squeezing knife tool, installation direction is vertical with to be processed of workpiece, and point of a knife point height is consistent with workpiece centre height;
(3) back engagement of the cutting edge is regulated, plough cutting-and squeezing knife tool is fed into workpiece centre for movement locus with workpiece edge by the hand of helix of fine pitch spiral groove and processes;
(4) processing is completed according to workpiece required thickness cutoff tool by after cutting workpiece again.
2. the manufacture method of the boiling enhanced structure of double helix as claimed in claim 1, is characterized in that:
The hand of helix of screw with long screw pitch shape groove is identical with the hand of helix of fine pitch spiral groove or contrary.
3. the manufacture method of the boiling enhanced structure of double helix as claimed in claim 1, is characterized in that:
The processing sequence of screw with long screw pitch shape groove and fine pitch spiral groove in no particular order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410216399.7A CN103968707B (en) | 2014-05-21 | 2014-05-21 | The manufacture method of the boiling enhanced structure of a kind of double helix |
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| CN201410216399.7A CN103968707B (en) | 2014-05-21 | 2014-05-21 | The manufacture method of the boiling enhanced structure of a kind of double helix |
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| CN103968707A CN103968707A (en) | 2014-08-06 |
| CN103968707B true CN103968707B (en) | 2016-04-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109099741B (en) * | 2018-06-05 | 2020-04-24 | 东南大学 | Heat exchange structure for enhancing boiling |
| CN111328251A (en) * | 2020-03-30 | 2020-06-23 | 华南理工大学 | Micro-channel heat dissipation structure with double-scale surface features and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182977A (en) * | 2007-12-11 | 2008-05-21 | 华南理工大学 | Inner chiasma spiral exterior three-dimensional diamond-type rib double-side intensify heat transfer pipe |
| CN101963474A (en) * | 2010-09-15 | 2011-02-02 | 广州大学 | Plane three-dimensional boiling structure and processing method thereof |
| CN103791755A (en) * | 2014-02-21 | 2014-05-14 | 江苏萃隆精密铜管股份有限公司 | Efficient heat exchange tube for evaporator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121867A (en) * | 2008-11-20 | 2010-06-03 | Sony Corp | Heat transport device, electronic equipment and method of manufacturing the heat transport device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182977A (en) * | 2007-12-11 | 2008-05-21 | 华南理工大学 | Inner chiasma spiral exterior three-dimensional diamond-type rib double-side intensify heat transfer pipe |
| CN101963474A (en) * | 2010-09-15 | 2011-02-02 | 广州大学 | Plane three-dimensional boiling structure and processing method thereof |
| CN103791755A (en) * | 2014-02-21 | 2014-05-14 | 江苏萃隆精密铜管股份有限公司 | Efficient heat exchange tube for evaporator |
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