CN101316497A - Radiation fin and manufacturing method thereof - Google Patents
Radiation fin and manufacturing method thereof Download PDFInfo
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- CN101316497A CN101316497A CNA2007101087159A CN200710108715A CN101316497A CN 101316497 A CN101316497 A CN 101316497A CN A2007101087159 A CNA2007101087159 A CN A2007101087159A CN 200710108715 A CN200710108715 A CN 200710108715A CN 101316497 A CN101316497 A CN 101316497A
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- fin
- joint portion
- manufacture method
- folding part
- true edge
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Abstract
The invention provides a cooling plate which comprises a sheet body, at least one folding unit and at least one first bonded block, wherein, the folding unit is turned from the end of the sheet body and is formed; the first bonded block is extended and protruded from the folding unit, the extending direction of which is different from the turning direction of the folding unit relative to the sheet body. In addition, the invention also provides a method for producing the cooling plate.
Description
Technical field
The present invention relates to a kind of fin and manufacture method thereof, particularly relate to the fin and the manufacture method thereof that in manufacture process, can significantly reduce waste material.
Background technology
High development along with science and technology, functional requirement for electronic equipment is high more, also just more for improving, relative radiating requirements is also big more, so the quality of heat dissipation will directly influence the reliability and the useful life of electronic equipment for number of electronic components of using and integrated level.
Utilizing fin is to be common structure setting as heat abstractor, and that comparatively common heat radiating fin structure can be consulted is shown in Figure 1, wherein this fin 1 mainly includes a lamellar body 10, and an end folding up of this lamellar body 10 has a folding part 11, and each projection has two groups to fasten unit 12 on this folding part 11 and this lamellar body 10 other ends, every group fastens unit 12 and all has two fasteners 121,122, and because per two fasteners 121, form an opening 13 that extends to this lamellar body 10 between 122, therefore when wantonly two fin 1 are desired to be superimposed together, can fasten unit 12 by those of a fin 1 wherein and be fastened in those openings 13 of another fin 1, and firmly pile up and be combined into a groups of fins.
Please consult shown in Figure 2 again, above-mentioned existing fin 1 during fabrication, one sheet material 20 is sent in the punch press, and four anchor points 21 of chosen in advance on 20 4 corners of this sheet material, see through penetrating of alignment pin and, then this sheet material 20 is gone out the planar structure of this fin 1 as shown in Figure 1 by this punch press with this fixedly tension of sheet material 20; The manufacture method of this existing fin 1 selects to utilize alignment pin earlier this sheet material 20 is located, its reason is for guaranteeing the precision of this fin 1 size, when especially being stacked as a groups of fins by a plurality of fin 1, spacing between each fin 1 and other fin 1 is determined by a true edge 14 of this fin 1 and the distance D 1 between the broken line 15, if not by alignment pin so that positioning function to be provided, certainly will will make that spacing leaves tolerance, and cause when being assembled into groups of fins, the heat radiation function of groups of fins the best can't be provided.
Above-mentioned manufacture method is because must rely on alignment pin so that this sheet material 20 is located, therefore as Fig. 2 when as shown in oblique line after partly all being these sheet material 20 these fin 1 of manufacturing left waste material (as figure bend zone), very big for the raising influence that produces cost, should be improved in fact.
Therefore, how providing a kind of can reduce fin and the manufacture method thereof that waste material produces when manufacturing, become one of important topic.
Summary of the invention
Because above-mentioned problem, purpose of the present invention is for providing the generation that can save waste material, unlikely influence in conjunction with the time accurate size a kind of fin and manufacture method thereof.
In order to achieve the above object, the invention provides a kind of fin, it comprises a lamellar body, at least one folding part and at least one first joint portion, wherein this folding part is from this lamellar body end end turnover moulding, this first joint portion is then extended outstanding from this folding part, and its bearing of trend differs from the direction of this folding part with respect to this lamellar body turnover.
In order to achieve the above object, the invention provides a kind of manufacture method of fin, it comprises: send in the middle of sheet material to one toolroom machine; This sheet material of punching press to be forming a plurality of lamellar bodies, and those lamellar bodies form a folding part in the end end, and this folding part extends to rare one first joint portion, and is provided with one second joint portion in ora terminalis corresponding to the position of this first joint portion; Pull this folding part of folding to erect with respect to this lamellar body; And cut each lamellar body to form a plurality of single fin; Wherein these a plurality of fin pile up mutually in conjunction with the time, this first joint portion of an inferior fin is connected in this second joint portion of last fin, and the spacing between those fin is controlled by one first true edge to one second true edge of this second joint portion of this first joint portion.
In order to achieve the above object, the present invention more provides the manufacture method of another kind of fin, and it comprises: send in the middle of sheet material to one toolroom machine; This sheet material of punching press to be forming a plurality of lamellar bodies, and those lamellar bodies form a folding part in the end end, and this folding part more extends to rare one first joint portion; Pull this folding part of folding to erect with respect to this lamellar body; And cut each lamellar body to form a plurality of single fin; Wherein these a plurality of fin pile up mutually in conjunction with the time, this first joint portion part of an inferior fin is stacked and placed on this folding part of last fin, and overlapping part have one the 3rd true edge and and one first true edge of this first joint portion of last fin control spacing between those fin.
From the above, fin of the present invention and manufacture method thereof, its heat sink design defines the spacing of a plurality of fin when combination in advance, and precisely can guarantee spacing between fin and the fin by size in the punching press, this manufacture method meets Financial cost very much, and its accurate size that can reach more make several fin in conjunction with the time be difficult for error, and more can significantly lower the unnecessary consumption when producing.
Description of drawings
Fig. 1 is the stereogram of existing fin;
Fig. 2 is the schematic diagram during with the plate stamping moulding in the existing fin manufacture process;
Fig. 3 is the plane outspread drawing of the fin of preferred embodiment of the present invention;
Fig. 4 is the schematic flow sheet of manufacturing method of heat sink, the schematic diagram when wherein being the punch forming of expression sheet material running tool machine;
Fig. 5 is the schematic flow sheet of manufacturing method of heat sink, wherein is the schematic diagram when representing the folding part with respect to the lamellar body folding up;
Fig. 6 is the stereogram of the fin of preferred embodiment of the present invention;
The stereogram that Fig. 7 combines for a plurality of fin; And
Fig. 8 is the plane outspread drawing of the fin of another preferred embodiment of the present invention.
The component symbol explanation:
1 fin, 10 lamellar bodies
11 folding parts 12 fasten the unit
121 fasteners, 122 fasteners
13 openings, 14 true edges
15 broken lines, 20 sheet materials
21 anchor point D1 distances
3 fin, 30 lamellar bodies
32 first joint portions, 31 folding parts
33 breach, 34 second joint portions
35 first true edges, 36 second true edges
37 broken line D2 distances
40 sheet materials, 41 breach
42 cutting lines
5 fin, 51 folding parts
52 first joint portions, 53 breach
54 first true edges 55 the 3rd true edge
The D3 distance
Embodiment
Hereinafter with reference to relevant drawings, a kind of fan system and checkout gear thereof according to preferred embodiment of the present invention are described.
Please refer to Fig. 3 and shown in Figure 6, wherein Fig. 3 is the plane outspread drawing of the fin of preferred embodiment of the present invention, and Fig. 6 is the stereogram of the fin of preferred embodiment of the present invention, please be simultaneously with reference to shown in this two figure, this fin 3 comprises a lamellar body 30, at least one folding part 31 and at least one first joint portion 32, wherein this folding part 31 is from this lamellar body 30 ends end turnover moulding, 32 of this first joint portions are extended outstanding from this folding part 31, and its projected direction differs from the direction that this folding part 31 goes out with respect to these lamellar body 30 turnovers.
And as shown in Figure 3, this lamellar body 30 can be made by materials such as copper, aluminium, iron or magnesium alloys, and the end, two ends of this lamellar body 30 respectively is extended with this folding part 31, and the two opposite sides of this two folding part 31 each extension again are provided with this first joint portion 32, and the moulding of this first joint portion 32, be to offer four breach 33 in the appropriate location (selected) at four of this lamellar body 30 end angles according to design requirement, thereby make that these four first joint portions 32 must be extended towards the direction that differs from the turnover direction when transfer with respect to this lamellar body 30 in this two folding part 31.
Moreover, more be concaved with 2 second joint portions 34 on this two folding part 31, and 34 corresponding these first joint portions 32, these second joint portions are provided with, and so will make these second joint portions 34 of the fin 3 that these first joint portions 32 of this fin 3 must be identical with other with mode combinations such as welding.In addition, when arbitrary fin 3 desires combined with other fin 3, spacing therebetween was to be controlled by the distance D 2 between one second true edge 36 of one first true edge 35 of this first joint portion 32 and this second joint portion 34.
Next, with the manufacturing process of this fin 3 of explanation, so that feature of the present invention is more obvious.
To shown in Figure 6, it is the manufacturing flow chart according to fin of the present invention with reference to figure 4.
At first as shown in Figure 4, a sheet material 40 is sent in the middle of the toolroom machine (not shown) earlier, wherein this toolroom machine can be embodied as a punch press at this, and corresponding mould that can be by the kenel of this fin 3 as shown in Figure 3 after this sheet material 40 is sent into and with these sheet material 40 punch formings.
Wherein it should be noted that especially, this sheet material 40 will be got suitable distance for forming a plurality of breach 41 at interval when punching press, wherein alleged herein suitable distance can be isometric or not isometric, meaning can be according to the person's of producing demand, for example get suitable apart from the time, seven centimeters at desirable every interval and those breach 41 of moulding, or get seven centimeters at interval, five centimeters at interval, seven centimeters these those breach 41 of order moulding in interval, in addition, this breach 41 can be V-shaped, half elliptic, concave shape, the U font, semicircle or trapezoidal etc., V-shaped at these those breach 41, and be formed with an imaginary cutting line 42 between wantonly two breach that vertically are oppositely arranged 41 valley points, and be formed with an imaginary broken line 37 between wantonly two breach that laterally are oppositely arranged 41 valley points.
Please consult shown in Figure 5 again, this sheet material 40 of finishing of punching press, can utilize pull the folding instrument along this broken line 37 with this folding part 31 with respect to this lamellar body 30 folding up 90 degree, and make this first joint portion 32 extend with the direction that differs from these folding part 31 turnover directions, and after cutting along this cutting line 42 by the instrument of cutting again, can be with the fin of making as shown in Figure 63.
Please consult shown in Figure 7 again, when a plurality of fin 3 as Fig. 6 are superimposed together, each fin 3 all can be by its first joint portion 32 and combining with second joint portion 34 of another fin 3, and wherein this combination for example but be not limited to the mode combination of using laser welding, some glue or bonding.It should be noted that at this, because the spacing between each fin 3, be by of distance D 2 controls of this first true edge 35 with this second true edge 36, wherein the spacing between these fin 3 can change at the special producing demand because of the person of producing, for example with one millimeter of this distance D 2 plus-minus (± be the control range of spacing within 1mm), and this distance D 2 is to have finished setting originally when mold design, so this fin 3 after the punch forming, also for fixing, the precision on the size is unlikely to be affected distance D 2 between this two true edge 35,36; Moreover, can dispense the use of alignment pin by said method, thereby this sheet material 40 needn't reserve the zone that alignment pin inserts, be in the process with manufacture method of the present invention, do not have the generation of waste material, quite economically valuable.
At last, see also shown in Figure 8ly, be the plane outspread drawing of the fin of another preferred embodiment of the present invention.In the middle of present embodiment, this fin 5 has a lamellar body 50, a folding part 51, one first joint portion 52 and a breach 53, wherein these structures are identical haply with this fin 3 shown in Figure 3, and its main difference is to have omitted on this folding part 51 of this fin 5 in the middle of the present embodiment design of this second joint portion 34 (seeing also Fig. 3); Thus, when these fin 5 desires combine with other fin 5, the part of this first joint portion 52 of an inferior fin 5 will be stacked and placed on this folding part 51 of last fin 5 (as the dotted portion on this folding part 51), and therefore be formed with one the 3rd true edge 55, so, in the middle of the present embodiment in twos the spacing of fin 5 be by the distance D between one first true edge 54 of the 3rd true edge 55 and this first joint portion 52 3 control, certainly, herein also can be because of the person's of producing demand with one millimeter of these distance D 3 plus-minus (± 1mm) within and be the control range of spacing.In addition, the manufacture method of the manufacture method of the fin 5 shown in the present embodiment and this fin 3 of previous embodiment is identical, and difference only is the design of mould kenel, so in addition this manufacture method is not described herein at this.
In sum, fin of the present invention and manufacture method thereof, the innovative design of its fin defines the fashionable spacing of following a plurality of groups of fins in advance, the waste material that must provide alignment pin to intert has been provided, size when also having guaranteed to be assembled into finished product precisely, this manufacture method meets Financial cost very much, and its accurate size that can reach more make several fin in conjunction with the time be difficult for error, and more can significantly lower the unnecessary consumption when producing.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the accompanying Claim its equivalent modifications of carrying out or change.
Claims (18)
1, a kind of fin, it comprises:
One lamellar body;
At least one folding part, this lamellar body end end turnover moulding certainly; And
At least one first joint portion, this folding part extension is outstanding certainly, and its bearing of trend differs from the direction of this folding part with respect to this lamellar body turnover.
2, fin as claimed in claim 1, wherein this first joint portion forms by a breach is set on the lamellar body.
3, fin as claimed in claim 1 wherein more is concaved with one second joint portion on this folding part, and this second joint portion is provided with corresponding to this first joint portion.
4, fin as claimed in claim 3, wherein this of this fin first joint portion is bonded to this second joint portion of other fin with welding, some glue or bonding mode.
5, fin as claimed in claim 3, wherein this first joint portion has one first true edge, and this second joint portion has one second true edge, when this fin combines with other fin, with the distance control spacing between this two true edge.
6, fin as claimed in claim 1, wherein this fin has two folding parts, and this each projection of two folding parts has 2 first joint portions.
7, fin as claimed in claim 1, wherein the material of this fin is copper, aluminium, iron or magnesium alloy.
8, a kind of manufacture method of fin comprises:
Send in the middle of sheet material to one toolroom machine;
This sheet material of punching press to be forming a plurality of lamellar bodies, and those lamellar bodies form a folding part in the end end, and this folding part extends to rare one first joint portion, and is provided with one second joint portion in ora terminalis corresponding to the position of this first joint portion;
Pull this folding part of folding to erect with respect to this lamellar body;
Cut each lamellar body to form a plurality of single fin;
Wherein these a plurality of fin pile up mutually in conjunction with the time, this first joint portion of an inferior fin is connected in this second joint portion of last fin, and the spacing between those fin is controlled by one first true edge to one second true edge of this second joint portion of this first joint portion.
9, a kind of manufacture method of fin comprises:
Send in the middle of sheet material to one toolroom machine;
This sheet material of punching press to be forming a plurality of lamellar bodies, and those lamellar bodies form a folding part in the end end, and this folding part more extends to rare one first joint portion;
Pull this folding part of folding to erect with respect to this lamellar body;
Cut each lamellar body to form a plurality of single fin;
Wherein these a plurality of fin pile up mutually in conjunction with the time, this first joint portion part of an inferior fin is stacked and placed on this folding part of last fin, and overlapping part have one the 3rd true edge and and one first true edge of this first joint portion of last fin control spacing between those fin.
10, manufacture method as claimed in claim 8 or 9, wherein this toolroom machine is a punch press.
11, manufacture method is as claimed in claim 8 or 9 wherein more got suitable distance for forming a plurality of breach at interval during this sheet material of punching press.
12, manufacture method as claimed in claim 11, wherein this breach is V-arrangement, half elliptic, concave shape, U font, semicircle or trapezoidal.
13, manufacture method as claimed in claim 11 is wherein pulled this folding part of folding along by a broken line that forms between the wantonly two breach valley points that laterally are oppositely arranged.
14, manufacture method as claimed in claim 11 wherein cuts each lamellar body and is along by a cutting line that forms between the wantonly two breach valley points that vertically are oppositely arranged.
15, manufacture method as claimed in claim 8 or 9, during wherein in conjunction with a plurality of fin, with laser spot welding, some glue, bonding mode with this first joint portion and this corresponding second joint portion connection.
16, manufacture method as claimed in claim 9 is wherein by the control range of thinking the spacing between these fin within one millimeter of the distance plus-minus between this first true edge and this second true edge.
17, manufacture method as claimed in claim 10 is wherein by the control range of thinking the spacing between these fin within one millimeter of the distance plus-minus between this first true edge and the 3rd true edge.
18, manufacture method as claimed in claim 8 or 9, wherein the material of this sheet material is copper, aluminium, iron or magnesium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101087159A CN101316497B (en) | 2007-05-31 | 2007-05-31 | Radiation fin and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101087159A CN101316497B (en) | 2007-05-31 | 2007-05-31 | Radiation fin and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101316497A true CN101316497A (en) | 2008-12-03 |
| CN101316497B CN101316497B (en) | 2012-01-04 |
Family
ID=40107287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101087159A Expired - Fee Related CN101316497B (en) | 2007-05-31 | 2007-05-31 | Radiation fin and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101316497B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019176107A (en) * | 2018-03-29 | 2019-10-10 | 古河電気工業株式会社 | Assemble fin |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1411924A (en) * | 2001-10-11 | 2003-04-23 | 爱美达股份有限公司 | Pack radiator and its making method |
| CN2750472Y (en) * | 2004-07-08 | 2006-01-04 | 鸿富锦精密工业（深圳）有限公司 | Structure of radiating fin combination |
-
2007
- 2007-05-31 CN CN2007101087159A patent/CN101316497B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019176107A (en) * | 2018-03-29 | 2019-10-10 | 古河電気工業株式会社 | Assemble fin |
| JP7133960B2 (en) | 2018-03-29 | 2022-09-09 | 古河電気工業株式会社 | assembled fins |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101316497B (en) | 2012-01-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20120104 Termination date: 20160531 |