CN100469483C - Method for fixing radiator fan on the soldering pipe, device and products thereof - Google Patents
Method for fixing radiator fan on the soldering pipe, device and products thereof Download PDFInfo
- Publication number
- CN100469483C CN100469483C CNB2007100702945A CN200710070294A CN100469483C CN 100469483 C CN100469483 C CN 100469483C CN B2007100702945 A CNB2007100702945 A CN B2007100702945A CN 200710070294 A CN200710070294 A CN 200710070294A CN 100469483 C CN100469483 C CN 100469483C
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- welded tube
- fin
- cooling fins
- upper holder
- welded pipe
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005476 soldering Methods 0.000 title 1
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 230000005855 radiation Effects 0.000 claims description 23
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a method for fixing cooling fins on a welded pipe, comprising the following steps: first, the cooling fins are arranged; second, the welded pipe is arranged; third, the welded pipe is pressed; corresponding top and bottom extruding forces are applied respectively on the top and the bottom of the welded pipe wall on both sides of the cooling fins until the welded pipe is deformed; the deformation part of the welded pipe is made to extrude the cooling fins; one part of the welded pipe wall in the holes of the cooling fins are forced to deform to press hard upon the internal diameter parts of the holes of the cooling fins; fourth, a finished product is completed. The technical proposal of the invention is to adopt the methods with the welded pipe and the holes of the cooling fins matching with each other through negative allowance. The invention has the advantages of a simple technique, convenient execution and operation, high production efficiency, low rate of waste products, great improvement of the production efficiency and quality, reduction of manufacture cost and difficulty level, and no great effect on the heat exchange efficiency of a heat exchange pipe.
Description
Technical field
The invention belongs to the heat exchange pipe fitting manufacture field, particularly relate to a kind of method that is used for fixing cooling fins on welded tube, implement the device of this method and the goods that make according to this method (fixing gelled heat exchanger tube).
Background technology
At present, the fixing of the fin of the movement heat exchanger tube of general manufacturer production all is to utilize the welded tube of wearing the sheet that looses to finish with the tolerance fit of the diameter of heat radiation film perforation, and promptly plus tolerance cooperates (close-fitting of saying usually just).Therefore, this cooperation technology is had relatively high expectations to the roundness of welded tube and the plus-minus tolerance of diameter, and general welded tube production precision does not all reach this requirement.Have only the technology that adopts the cold-drawn welded tube to guarantee its diameter and roundness, but it is poor comparatively speaking by the Welding Pipe Toughness that cold-drawn is later, and it is also influential to the fastness of welded tube weld seam, therefore quality and the qualification rate to whole movement produces considerable influence, increased manufacturing cost and manufacture difficulty.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this invention is to provide a kind of on welded tube the method for fixing cooling fins, can effectively enhance productivity and quality, reduce manufacturing cost and manufacture difficulty, and a kind of be used to the implement isolated plant of this method and the goods that make according to this method are provided.
To achieve the above object, the present invention has adopted following technical scheme:
A kind of on welded tube the method for fixing cooling fins, comprise the steps:
(1) arrange fin, some fin are arranged according to constant spacing, the heat radiation film perforation connects from head to tail;
(2) wear welded tube, section is circular welded tube and the loose fit of heat radiation film perforation, and welded tube is passed described fin from head to tail;
(3) compacting welded tube, to corresponding extruding force and the following extruding force of going up of applying respectively up and down of the welded tube wall that is positioned at the fin both sides until distortion, make the crushed element pinching fin of welded tube, and make the welded tube wall distortion packing heat radiation film perforation inner radius that is positioned at the heat radiation film perforation;
(4) finish, described some fin are fixed on and make finished product on the welded tube.
Adopt said method, welded tube is that negative common difference cooperates (being loose fit) with the heat radiation film perforation, so welded tube can penetrate in the fin easily, used welded tube does not need cold-drawn yet, as long as choose the welded tube of normal diameter on the market, and the requirement of the tolerance of welded tube diameter and circularity all than broad, manufacturing cost and manufacture difficulty have been reduced; According to the tolerance fit situation of welded tube with the heat radiation film perforation, the welded tube wall that is positioned at the fin both sides is applied suitable extruding force up and down, fin is fixed on the welded tube by jam-packed.
As preferably, in the above-mentioned steps (three), the acting surface of last extruding force comprises the first and second two acting surfaces, first acting surface is used at the pressure groove of welded tube outer wall formation along the tangential extension in welded tube cross section, described second acting surface is higher than first acting surface, is used at the crimp face of pressing the formation of groove both sides along the tangential extension in welded tube cross section; The acting surface of described down extruding force be one with the circular arc acting surface of welded tube outer wall loose fit.
By two acting surfaces that are in differing heights are provided for last extruding force, successively act on the welded tube wall, make that the distortion of welded tube outer wall can be according to desirable to the extruding packing of place, fin aperture, following extruding force plays holding power, it is more even that circular arc acting surface and welded tube outer wall summary loose fit can make welded tube be out of shape when being squeezed, fully contact with the heat radiation film perforation, as long as suitable operation, the welded tube wall of manufactured goods can guarantee more than 85% with the efficiently radiates heat contact area of heat radiation film perforation, with respect to the heat exchanger tube that original tight fit is connected and fixed, the heat exchange effect does not produce considerable influence.
Be used to implement the device of said method, comprise upper die and lower die, be spaced on the described patrix and be fixed with some upper holder blocks, the upper holder block lower end is provided with the strip projected parts that extends longitudinally, described counterdie is provided with and the some one to one lower lock blocks of upper holder block, and the lower lock block upper end is provided with the deep-slotted chip breaker along horizontal expansion, wherein, described deep-slotted chip breaker and welded tube are complementary, and gap between the described upper holder block and the gap between the lower lock block and fin are complementary.
Upper holder block provides extruding force, and first acting surface of last extruding force is formed by strip projected parts, and second acting surface is formed by the lower end of upper holder block; Lower lock block provides down extruding force, and the acting surface of following extruding force is formed by deep-slotted chip breaker.
As preferably, above-mentioned counterdie is provided with the positive stop that place the fin location.
As preferably, above-mentioned projection is arranged in the middle of the upper holder block lower end, and the width of projection is 1/5 of a upper holder block thickness.
As preferably, above-mentioned projection is that the bottom surface is straight or sharp protruding strip projected parts, and projection shapes with upper holder block lower end one, rounding off.
The heat exchanger tube that makes according to said method, comprise that welded tube and spacer sleeve are located at some fin on the welded tube, each side be provided with a crimp face at every fin on the described welded tube outer tube wall along the tangential extension in welded tube cross section, is a pressure groove in the middle of the crimp face along the tangential extension in welded tube cross section, about two press outer tube wall and fin jam-packed between the groove to fix.
As preferably, the width of above-mentioned pressure groove be fin spacing 1/5.
The present invention is owing to adopted above technical scheme, advantage such as have that technology is simple, implementation and operation is convenient, and production efficiency height, percent defective are low has improved production efficiency and quality greatly, reduced manufacturing cost and manufacture difficulty, and the heat exchange effect of exchange heat pipe can not produce considerable influence.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is the enforcement schematic diagram A of the inventive method.
Fig. 3 is the enforcement schematic diagram B of the inventive method.
Fig. 4 is the stereogram that has fixed the welded tube of fin.
Fig. 5 is the structural representation that has fixed the welded tube of fin.
Fig. 6 is the enlarged drawing of Local C among Fig. 5.
Fig. 7 is that the A-A of welded tube among Fig. 6 is to profile.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is made a detailed explanation.
Embodiment 1: a kind of on welded tube the method for fixing cooling fins, comprise the steps:
(1) arrange fin, some fin 8 are arranged according to constant spacing, heat radiation film perforation 81 connects from head to tail;
(2) wear welded tube, circular welded tube 9 and 81 loose fits of heat radiation film perforation are passed described fin 8 with welded tube 9 from head to tail;
(3) compacting welded tube, to corresponding extruding force and the following extruding force of going up of applying respectively up and down of the welded tube wall that is positioned at fin 8 both sides until distortion, make the crushed element pinching fin 8 of welded tube 9, and make the welded tube wall distortion packing heat radiation film perforation inner radius that is positioned at heat radiation film perforation 81;
(4) finish, described some fin 8 are fixed on the welded tube 9 makes finished product.
In the above-mentioned steps (three), the acting surface of last extruding force comprises the first and second two acting surfaces, first acting surface is used at the pressure groove 92 of welded tube outer wall formation along the tangential extension in welded tube cross section, described second acting surface is higher than first acting surface, is used at the crimp face 91 of pressing the formation of groove 92 both sides along the tangential extension in welded tube cross section; The acting surface of described down extruding force be one with the circular arc acting surface of welded tube outer wall loose fit.
The device that is used to implement said method as shown in Figure 2, comprise patrix 1 and counterdie 6, be spaced on the described patrix 1 and be fixed with some upper holder blocks 2, upper holder block 2 lower ends are provided with the strip projected parts 21 that extends longitudinally formation, described counterdie 6 is provided with and the some one to one lower lock blocks 5 of upper holder block 2, lower lock block 5 upper ends are provided with the deep-slotted chip breaker 51 along horizontal expansion, wherein, described deep-slotted chip breaker 51 is complementary with welded tube 9, and gap 3 between the described upper holder block 2 and the gap between the lower lock block 54 are complementary with the thickness of fin 8; Above-mentioned counterdie 6 is provided with the positive stop 7 that place fin 8 location; Above-mentioned strip projected parts 21 is arranged in the middle of upper holder block 2 lower ends, and the width of strip projected parts 21 is about 1/5 of upper holder block 2 thickness, and the height of strip projected parts 21 is decided on the mated condition of heat radiation film perforation and welded tube, generally at 10～100; In the present embodiment, above-mentioned protruding 21 bottom surfaces are straight strip projected parts, also can be that the bottom surface is the protruding strip projected parts of point, and projection shapes with upper holder block 2 lower end one, rounding off.
Add man-hour, patrix 1 and counterdie 6 are separately fixed on the bolster of forcing press.As shown in Figure 2, upper and lower mould keeps at a certain distance away, gap 3 with some fin 8 insertion upper holder blocks, the gap 4 of lower lock block, their heat radiation film perforation 81 is alignd with deep-slotted chip breaker 51, after fin 8 is inserted well, as shown in Figure 3, welded tube 9 is passed all heat radiation film perforations 81, move (perhaps patrix 1 presses down) on the counterdie 6, make strip projected parts 21 on the welded tube wall, suppress groove 92, make upper holder block 2 on the welded tube wall, suppress deformation plance 91, make the welded tube wall with local micro-strain in heat radiation film perforation 81 junctions and the fixation of fin stretching, can open upper and lower mould and take out fixing gelled welded tube, as shown in Figure 4.
As shown in Figure 4 to 7, according to said method, the heat exchanger tube that adopts said apparatus to make, comprise that welded tube 9 and spacer sleeve are located at the some fin 8 on the welded tube 9, each side be provided with a crimp face 91 at every fin 8 on described welded tube 9 outer tube walls along the tangential extension in welded tube cross section, in the middle of the crimp face 91 is a pressure groove 92 along the tangential extension in welded tube cross section, about two press outer tube wall and fin 8 jam-packeds between the groove 92 to fix.The width of above-mentioned pressure groove 92 be about fin 8 spacing 1/5.
In the present embodiment, welded tube and heat radiation film perforation are loose fits, about about 10 of negative common difference, after compacting is fixing, press about about 30 of gash depth, like this, the welded tube wall contacts with the efficiently radiates heat of heat radiation film perforation can guarantee that more than 85% the heat exchange effect of heat exchanger tube can not produce considerable influence.
Claims (8)
1. the method for a fixing cooling fins on welded tube is characterized in that, comprises the steps:
(1) arrange fin, some fin (8) are arranged according to constant spacing, heat radiation film perforation (81) connects from head to tail;
(2) wear welded tube, section is circular welded tube (9) and the loose fit of heat radiation film perforation (81), and welded tube (9) is passed described fin (8) from head to tail;
(3) compacting welded tube, to corresponding extruding force and the following extruding force of going up of applying respectively up and down of the welded tube wall that is positioned at fin (8) both sides until distortion, make the crushed element pinching fin (8) of welded tube (9), and make the welded tube wall distortion packing heat radiation film perforation inner radius that is positioned at heat radiation film perforation (81);
(4) finish, described some fin (8) are fixed on the welded tube (9) and make finished product.
2. according to claim 1 a kind of on welded tube the method for fixing cooling fins, it is characterized in that, in the described step (three), the acting surface of last extruding force comprises the first and second two acting surfaces, first acting surface is used at the pressure groove (92) of welded tube outer wall formation along the tangential extension in welded tube cross section, described second acting surface is higher than first acting surface, is used at the crimp face (91) of pressing the formation of groove (92) both sides along the tangential extension in welded tube cross section; The acting surface of described down extruding force be one with the circular arc acting surface of welded tube outer wall loose fit.
3. be used to implement the device of the described method of claim 2, it is characterized in that, comprise patrix (1) and counterdie (6), be spaced on the described patrix (1) and be fixed with some upper holder blocks (2), upper holder block (2) lower end is provided with the strip projected parts (21) that extends longitudinally, described counterdie (6) is provided with and the some one to one lower lock blocks of upper holder block (2) (5), lower lock block (5) upper end is provided with the deep-slotted chip breaker (51) along horizontal expansion, wherein, described deep-slotted chip breaker (51) is complementary with welded tube (9), and gap (3) between the described upper holder block (2) and the gap (4) between the lower lock block (5) are complementary with fin (8).
4. device according to claim 3 is characterized in that, described counterdie (6) is provided with the positive stop (7) that place fin (8) location.
5. according to claim 3 or 4 described devices, it is characterized in that described projection (21) is arranged in the middle of upper holder block (2) lower end, the width of projection (21) is 1/5 of upper holder block (a 2) thickness.
6. device according to claim 5 is characterized in that, described projection (21) is straight or sharp protruding strip projected parts for the bottom surface, and projection (21) shapes with upper holder block (2) lower end one, rounding off.
7. the heat exchanger tube that makes according to the described method of claim 2, comprise that welded tube (9) and spacer sleeve are located at the some fin (8) on the welded tube (9), it is characterized in that, on described welded tube (9) outer tube wall at the crimp face (91) that each side is provided with of every fin (8) along the tangential extension in welded tube cross section, is a pressure groove (92) in the middle of the crimp face (91) along the tangential extension in welded tube cross section, about two press outer tube wall and fin (8) jam-packed between the grooves (92) to fix.
8. heat exchanger tube according to claim 7 is characterized in that, the width of described pressure groove (92) be fin (8) spacing 1/5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100702945A CN100469483C (en) | 2007-08-16 | 2007-08-16 | Method for fixing radiator fan on the soldering pipe, device and products thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100702945A CN100469483C (en) | 2007-08-16 | 2007-08-16 | Method for fixing radiator fan on the soldering pipe, device and products thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101116887A CN101116887A (en) | 2008-02-06 |
| CN100469483C true CN100469483C (en) | 2009-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100702945A Expired - Fee Related CN100469483C (en) | 2007-08-16 | 2007-08-16 | Method for fixing radiator fan on the soldering pipe, device and products thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100469483C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995115B (en) * | 2009-08-07 | 2014-07-23 | 江森自控科技公司 | Multi-channel heat exchanger fins |
| CN102814583B (en) * | 2012-08-03 | 2015-09-02 | 江苏海德节能科技有限公司 | Fin electrode plate system for H-type fin tube welder |
| CN103781331B (en) * | 2012-10-26 | 2017-05-10 | 富瑞精密组件（昆山）有限公司 | Radiating device |
| CN103874391B (en) * | 2012-12-14 | 2016-12-21 | 技嘉科技股份有限公司 | Radiator and its preparation method |
| CN104344760A (en) * | 2013-07-26 | 2015-02-11 | 马成果 | Multifunctional gas-water heat exchange pipe capable of reducing accumulated dust, reducing vibration and improving heat exchange efficiency |
| CN106392475B (en) * | 2016-10-14 | 2018-11-09 | 山东开元电子有限公司 | Fin inserting type heat radiator manufacturing method and its producing device |
-
2007
- 2007-08-16 CN CNB2007100702945A patent/CN100469483C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101116887A (en) | 2008-02-06 |
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Assignee: HUZHOU TENGYUN REFRIGERATION EQUIPMENT Co.,Ltd. Assignor: Shen Genfa Contract record no.: 2011330000005 Denomination of invention: Method for fixing radiator fan on the soldering pipe, device and products thereof Granted publication date: 20090318 License type: Exclusive License Open date: 20080206 Record date: 20110105 |
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Owner name: ZHEJIANG TENGYUN REFRIGERATION TECHNOLOGY CO., LTD Free format text: FORMER OWNER: SHEN GENFA Effective date: 20111124 |
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Effective date of registration: 20111124 Address after: 313216 Zhejiang province Deqing County Qianyuan Town Eastern Road No. 7 Patentee after: Zhejiang Tengyun Refrigeration Technology Co.,Ltd. Address before: 313216 Zhejiang province Deqing County Qianyuan Town New Road No. 17 Patentee before: Shen Genfa |
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Denomination of invention: Method, device and product for fixing heat sink on welded pipe Effective date of registration: 20210531 Granted publication date: 20090318 Pledgee: Deqing sub branch of Huzhou Bank Co.,Ltd. Pledgor: ZHEJIANG TENGYUN REFRIGERATION TECHNOLOGY Co.,Ltd. Registration number: Y2021330000495 |
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Date of cancellation: 20230925 Granted publication date: 20090318 Pledgee: Deqing sub branch of Huzhou Bank Co.,Ltd. Pledgor: ZHEJIANG TENGYUN REFRIGERATION TECHNOLOGY Co.,Ltd. Registration number: Y2021330000495 |
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