CN102966930A - Heat radiator and manufacturing method thereof - Google Patents
Heat radiator and manufacturing method thereof Download PDFInfo
- Publication number
- CN102966930A CN102966930A CN2012104405116A CN201210440511A CN102966930A CN 102966930 A CN102966930 A CN 102966930A CN 2012104405116 A CN2012104405116 A CN 2012104405116A CN 201210440511 A CN201210440511 A CN 201210440511A CN 102966930 A CN102966930 A CN 102966930A
- Authority
- CN
- China
- Prior art keywords
- hollow cylinder
- mentioned
- radiator
- heat radiator
- cylinder body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention provides a heat radiator and a manufacturing method thereof. The heat radiator comprises a hollow cylinder body (1), wherein the geometric axis of the hollow cylinder body (1) is vertical to the bottom surface (2) of the hollow cylinder body (1); and the hollow cylinder body (1) and the bottom surface (2) are of an integral structure; no soldering cracks or processing cracks exist between the hollow cylinder body (1) and the bottom surface (2); the bottom surface (2) of the hollow cylinder body (1) is provided with a plurality of through holes (3) and an annular structure (4); the circle center of the annular structure (4) is superposed with the circle center of the bottom surface (2) of the hollow cylinder body (1). According to the heat radiator, a thin aluminium plate/belt is utilized as a raw material, and multiple stamping dies are utilized for performing punch forming on a punching machine. The manufacturing method of the heat radiator is simple in process, high in production efficiency, and low in requirement for equipment conditions; manufactured LED (Light-Emitting Diode) bulb lamp heat radiator is integrally molded, subsequent processing is not needed, the production efficiency of the heat radiator can be improved, production raw materials can be greatly saved, and the heat dissipation efficiency of the heat radiator is improved.
Description
Technical field
The present invention is a kind of Radiator and its preparation method, and the particularly integrated LED bulb lamp heat radiator of a kind of punching stretch and manufacture method thereof belong to the innovative technology of Radiator and its preparation method.
Background technology
LED has energy-saving and environmental protection and long-life three advantages, with conventional incandescent relatively, can save 60% ~ 90% electric energy, be acknowledged as the 4th generation lighting source.LED light emitting diode performance and its worker's temperature are closely related, and along with the rising of temperature, luminous efficiency progressively reduces, and is index decreased service life.Therefore, high efficiency and heat radiation is that LED uses the problem that must solve.Press LED luminous efficiency 100 lm/W and calculate, it is heat that 80% Conversion of Energy of surpassing is arranged.Can compare by radiation is loose with incandescent lamp, LED is cold light source, and the heat that its chip produces is walked by the heat sink biography of the base plate for packaging that links to each other with chip more than 90%.Therefore, even the great power LED chip of 1W (about 80 W/cm of 1 * 1mm) surperficial mean heat flux
2, approached the Air Forced Convection heat radiation limit (100 W/cm that adopt the materials such as aluminium/copper
2).(1 * 1mm) when reaching 2W or 3W, and its chip surface heat flow density far surpasses the limit of the heat radiation such as the material air forced convertion of adopting aluminium/copper when single LEDs.At present, the radiator overwhelming majority of LED lamp is to adopt casting technique to make.The wall thickness of the heat sink part that the employing casting technique is made is thicker, not only need to consume lot of materials, technological process is complicated, causes the waste of resource, and adopt the radiator of casting technique production often need to add welding procedure processing, and the casting flaws such as shrinkage porosite, pore are often arranged.Cause discontinuity and the defective of the integral body of radiator, greatly reduced radiating efficiency.
Summary of the invention
The object of the invention is to consider the problems referred to above and provide a kind of simple in structure, can realize the integrated radiator of high efficiency and heat radiation.The present invention is reasonable in design, and is convenient and practical.
The object of the invention is to consider the problems referred to above and provide a kind of manufacturing process simple, the manufacture method of the radiator that production efficiency is high.The present invention requires low to appointed condition, produced LED bulb lamp heat radiator is formed in one, and need not following process, not only is conducive to provide the production efficiency of radiator, has also greatly saved simultaneously raw materials for production, has improved the radiating efficiency of radiator.
Technical scheme of the present invention is: radiator of the present invention, include hollow cylinder, and the geometrical axis of described hollow cylinder is vertical with the bottom surface of hollow cylinder, and hollow cylinder and bottom surface are structure as a whole solderless seam or processing crack between hollow cylinder and the bottom surface.
Above-mentioned bottom surface at above-mentioned hollow cylinder is provided with several through holes.
Above-mentioned through hole is circular port or polygonal hole.
The bottom surface of above-mentioned hollow cylinder also is provided with cirque structure, and the center of circle of cirque structure overlaps with the center of circle of the bottom surface of hollow cylinder, connects as one by cirque structure between hollow cylinder and the bottom surface.
Above-mentioned hollow cylinder is hollow cylinder, or is the hollow cone body, or is conoid, and the outline line along the orthographic projection of bottom surface of described conoid is the combination of circular arc and straight line.
The manufacture method of radiator of the present invention comprises the steps:
1) blanking: thin aluminum sheet/band is placed on blanking on the punching apparatus, stamps out a circular blank or stock of square;
2) stretch: it is the hollow cylinder that includes the bottom surface that above-mentioned blank is carried out drawing and forming;
3) cut edge: on pressing equipment, the edges by trimming of above-mentioned hollow cylinder is cut neatly, unnecessary skirt materials is separated from above-mentioned hollow cylinder;
4) punching: process several through holes in the bottom surface of hollow cylinder;
5) be shaped: process a cirque structure in the bottom surface of hollow cylinder, the center of circle of described cirque structure overlaps with the center of circle of bottom surface;
6) reducing: adopt Sheet Metal Forming Technology, the wall of above-mentioned hollow cylinder is processed into hollow cylinder, or be the hollow cone body, or be conoid, the outline line along the orthographic projection of bottom surface of described conoid is the combination of circular arc and straight line, finishes the radiator in integrated solderless seam or processing crack.
Above-mentioned steps 1) thin aluminum sheet in/be with to be Rolling Aluminium Plate or aluminium strip material; Above-mentioned steps 1) radius of circular blank described in is 50 ~ 100mm, and the length of side of described stock of square is 100 ~ 200mm.
Above-mentioned steps 2) radius of the bottom surface of the hollow cylinder of drawing and forming is 20 ~ 40mm in, and the height of cylindrical shell is 30 ~ 70mm.
Above-mentioned steps 4) through hole that punching processes in the bottom surface of hollow cylinder in is circular port or polygonal hole, and the radius of circular port is 1 ~ 10mm, and the exradius of polygonal hole is 5 ~ 10mm.
The exradius of the cirque structure that processes in the bottom surface of hollow cylinder above-mentioned steps 5) is 15 ~ 35mm, and interior radius of circle is 10 ~ 30mm.
The present invention is because employing is one-body molded, and solderless seam or other are processed the structure in cracks.Product material dense structure property is good, excellent in heat dissipation effect, and do not need follow-up mechanical turning processing, and adopting the Sheet Metal Forming Technology manufacturing fully, production efficiency is high, low cost of manufacture, and can realize mechanical automation production fully.
Compared with prior art, beneficial effect of the present invention is:
(1) adopts the one-body molded technology of punching stretch, can greatly save the production materials.The LED indoor lamp radiator that traditional casting technique is produced mostly is greatly general gilled radiator.The wall thickness of the part of this radiator is thicker, causes radiator integral weight larger, and material requested is also more.And punching stretch technique, thin-walled parts is comparatively simple for producing, and can greatly reduce the wall thickness dimension of radiator, saves materials can reach about 50% ~ 70%, has greatly saved resources costs.
(2) adopt the one-body molded technology of punching stretch, can greatly save and produce power consumption, environmental contamination reduction.Traditional casting technique needs metal material is heated to molten condition before the metal casting moulding, and institute's energy requirement is very huge.Simultaneously, also can produce dust in casting process, the pollution of pernicious gas and Noise upon Environment comes even more serious compared with other manufacturing technologies.And adopt punching stretch technique, and owing to the direct machine-shaping of metal material, greatly saved and produced power consumption, do not produce the environmental contaminants such as dust, pernicious gas simultaneously, accomplish the environmental protection to environment.
(3) adopt the one-body molded technology of punching stretch, can simplify work flow, enhance productivity and radiator heat-dissipation efficient.The various stoves that traditional casting technique equipment needed thereby has metal smelting to use, the various puddle mixers that have mulling to use have moulding to make various moulding machines, core making machine that core is used, and the shakeout used of cleaning foundry goods, shot-blasting machine etc. are arranged.Material requested and equipment are more, and production procedure is complicated, and production efficiency is lower.Simultaneously, adopt casting technique to cause easily the foundry goods interior tissue thick, the casting flaws such as shrinkage porosite, pore are often arranged.These defectives cause discontinuity and the defective of the integral body of radiator, have greatly reduced radiating efficiency.And adopt the one-body molded technology of punching stretch, and the direct machine-shaping of part shape, technical process is simple, and the radiator internal flaw reduces, and has greatly improved the radiating efficiency of radiator.
Description of drawings
Fig. 1 is for using the schematic diagram of LED bulb lamp of the present invention;
Fig. 2 is that the outline projection of radiator of the present invention is by the schematic diagram of circular arc and the combination of straight line sideline;
Fig. 3 is that the outline projection of radiator of the present invention is by the schematic diagram of straight line, circular arc, the combination of straight line sideline;
Fig. 4 is that the outline projection of radiator of the present invention is by the schematic diagram of circular arc and the combination of circular arc sideline;
Fig. 5 is that the outline projection of radiator of the present invention is by the schematic diagram of straight line and the combination of straight line sideline;
Fig. 6 is that the outline of radiator projection of the present invention among Fig. 2 is by the cutaway view of circular arc and the combination of straight line sideline.
The specific embodiment
The below is described in further detail the specific embodiment of the present invention, but embodiments of the present invention are not limited to this.
Embodiment
Radiator of the present invention, include hollow cylinder 1, the geometrical axis of described hollow cylinder 1 is vertical with the bottom surface 2 of hollow cylinder 1, and hollow cylinder 1 is structure as a whole with bottom surface 2, solderless seam or processing crack between hollow cylinder 1 and the bottom surface 2 are respectively the outline projection of radiator by several structures of different sidelines combination shown in Fig. 2,3,4,5.
Above-mentioned bottom surface 2 at above-mentioned hollow cylinder 1 is provided with several through holes 3.
In the present embodiment, above-mentioned through hole 3 is circular port or polygonal hole.
The bottom surface 2 of above-mentioned hollow cylinder 1 also is provided with cirque structure 4, and the center of circle of cirque structure 4 overlaps with the center of circle of the bottom surface 2 of hollow cylinder 1.Connect as one by cirque structure 4 between hollow cylinder 1 and the bottom surface 2, as shown in Figure 6.
Above-mentioned hollow cylinder 1 is hollow cylinder, or is the hollow cone body, or is conoid, and the outline line of 2 the orthographic projection along the bottom surface of described conoid is the combination of circular arc and straight line.
The manufacture method of radiator of the present invention comprises the steps:
1) blanking: thin aluminum sheet/band is placed on blanking on the punching apparatus, stamps out a circular blank or stock of square;
2) stretch: it is the hollow cylinder 1 that includes bottom surface 2 that above-mentioned blank is carried out drawing and forming;
3) cut edge: on pressing equipment, the edges by trimming of above-mentioned hollow cylinder 1 is cut neatly, unnecessary skirt materials is separated from above-mentioned hollow cylinder 1;
4) punching: process several through holes 3 in the bottom surface 2 of hollow cylinder 1;
5) be shaped: process a cirque structure 4 in the bottom surface 2 of hollow cylinder 1, the center of circle of described cirque structure 4 overlaps with the center of circle of bottom surface 2;
6) reducing: adopt Sheet Metal Forming Technology, the wall of above-mentioned hollow cylinder 1 is processed into hollow cylinder, or be the hollow cone body, or be conoid, the outline line of 2 the orthographic projection along the bottom surface of described conoid is the combination of circular arc and straight line, finishes the radiator in integrated solderless seam or processing crack.
Above-mentioned steps 1) thin aluminum sheet in/be with to be Rolling Aluminium Plate or aluminium strip material; Above-mentioned steps 1) radius of circular blank described in is 50 ~ 100mm, and the length of side of described stock of square is 100 ~ 200mm.
Above-mentioned steps 2) radius of the bottom surface 2 of the hollow cylinder 1 of drawing and forming is 20 ~ 40mm in, and the height of cylindrical shell is 30 ~ 70mm.
Above-mentioned steps 4) through hole 3 that punching processes in the bottom surface 2 of hollow cylinder 1 in is circular port or polygonal hole, and the radius of circular port is 1 ~ 10mm, and the exradius of polygonal hole is 5 ~ 10mm.
The exradius of the cirque structure 4 that processes in the bottom surface 2 of hollow cylinder 1 above-mentioned steps 5) is 15 ~ 35mm, and interior radius of circle is 10 ~ 30mm.
The specific embodiment of radiator of the present invention is as follows:
Adopting thin aluminum sheet/band (Rolling Aluminium Plate or aluminium strip material) is raw material, thin aluminum sheet/band is placed on the punching apparatus, through blanking, stamping out Radius at thin aluminum sheet/be with is the 70mm circular blank, drawn, stretched hollow cylinder on above-mentioned circular blank, the axis of described hollow cylinder is vertical with the bottom surface, the bottom surface radius is 30mm, and cylinder heights is 53mm.Through cutting edge, above-mentioned hollow cylinder edges by trimming is cut neatly, unnecessary skirt materials is separated from above-mentioned hollow cylinder.Through punching, processing several radiuses at above-mentioned hollow cylinder part upper bottom surface is the 1.25mm circular port.Through being shaped, processing an exradius at above-mentioned hollow cylinder part upper bottom surface is 25mm, and interior radius of circle is the cirque structure of 22.5mm.The center of circle of described cirque structure overlaps with the upper bottom surface center of circle.Through reducing, the wall of above-mentioned hollow cylinder part is processed into the class taper shape.The sideline of the conical front projection of described class is the combination of circular arc and straight line.Finish an integrated radiator.
As shown in Figure 2, the radiator of using above-mentioned manufacture method manufacturing is formed in one, solderless seam or other processing cracks.Product material dense structure property is good, excellent in heat dissipation effect, and do not need follow-up mechanical turning processing, and adopting the Sheet Metal Forming Technology manufacturing fully, production efficiency is high, low cost of manufacture, and can realize mechanical automation production fully.
Claims (10)
1. radiator, it is characterized in that including hollow cylinder (1), the geometrical axis of described hollow cylinder (1) is vertical with the bottom surface (2) of hollow cylinder (1), and hollow cylinder (1) is structure as a whole with bottom surface (2), solderless seam or processing crack between hollow cylinder (1) and bottom surface (2).
2. radiator according to claim 1 is characterized in that above-mentioned bottom surface in above-mentioned hollow cylinder (1) (2) is provided with several through holes (3).
3. radiator according to claim 3 is characterized in that above-mentioned through hole (3) is circular port or polygonal hole.
4. according to claim 1, the bottom surface (2) that it is characterized in that above-mentioned hollow cylinder (1) also is provided with cirque structure (4), the center of circle of cirque structure (4) overlaps with the center of circle of the bottom surface (2) of hollow cylinder (1), connects as one by cirque structure (4) between hollow cylinder (1) and bottom surface (2).
5. radiator according to claim 1 is characterized in that above-mentioned hollow cylinder (1) is hollow cylinder, or is the hollow cone body, or be conoid that the outline line of the orthographic projection of (2) along the bottom surface of described conoid is the combination of circular arc and straight line.
6. the manufacture method of a radiator is characterized in that comprising the steps:
1) blanking: thin aluminum sheet/band is placed on blanking on the punching apparatus, stamps out a circular blank or stock of square;
2) stretch: above-mentioned blank is carried out the hollow cylinder that drawing and forming is bottom surface (2) (1);
3) cut edge: on pressing equipment, the edges by trimming of above-mentioned hollow cylinder (1) is cut neatly, unnecessary skirt materials is separated from above-mentioned hollow cylinder (1);
4) punching: the bottom surface (2) in hollow cylinder (1) processes several through holes (3);
5) be shaped: the bottom surface (2) in hollow cylinder (1) processes a cirque structure (4), and the center of circle of described cirque structure (4) overlaps with the center of circle of bottom surface (2);
6) reducing: adopt Sheet Metal Forming Technology, the wall of above-mentioned hollow cylinder (1) is processed into hollow cylinder, or be the hollow cone body, or be conoid, the outline line of the orthographic projection of (2) along the bottom surface of described conoid is the combination of circular arc and straight line, finishes the radiator in integrated solderless seam or processing crack.
7. the manufacture method of radiator according to claim 5 is characterized in that above-mentioned steps 1) in thin aluminum sheet/be with to be Rolling Aluminium Plate or aluminium strip material; Above-mentioned steps 1) radius of circular blank described in is 50 ~ 100mm, and the length of side of described stock of square is 100 ~ 200mm.
8. the manufacture method of radiator according to claim 5 is characterized in that above-mentioned steps 2) in the radius of bottom surface (2) of hollow cylinder (1) of drawing and forming be 20 ~ 40mm, the height of cylindrical shell is 30 ~ 70mm.
9. the manufacture method of radiator according to claim 5, it is characterized in that above-mentioned steps 4) in the through hole (3) that processes in the bottom surface (2) of hollow cylinder (1) of punching be circular port or polygonal hole, the radius of circular port is 1 ~ 10mm, and the exradius of polygonal hole is 5 ~ 10mm.
10. the manufacture method of radiator according to claim 5 is characterized in that above-mentioned steps 5) in the exradius of the cirque structure (4) that processes in the bottom surface (2) of hollow cylinder (1) be 15 ~ 35mm, interior radius of circle is 10 ~ 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104405116A CN102966930A (en) | 2012-11-07 | 2012-11-07 | Heat radiator and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104405116A CN102966930A (en) | 2012-11-07 | 2012-11-07 | Heat radiator and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102966930A true CN102966930A (en) | 2013-03-13 |
Family
ID=47797247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104405116A Pending CN102966930A (en) | 2012-11-07 | 2012-11-07 | Heat radiator and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102966930A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209385A (en) * | 2013-06-03 | 2014-12-17 | 施建升 | Quick forming method for lamp cup |
| CN104259316A (en) * | 2014-09-25 | 2015-01-07 | 昆山伯建精密模具有限公司 | Rounding die for LED lampshade |
| CN104438593A (en) * | 2014-11-14 | 2015-03-25 | 厦门海莱照明有限公司 | Production line for stamping circular aluminum sheets into pot-shaped LED lamp radiators |
| CN105371253A (en) * | 2015-11-24 | 2016-03-02 | 安徽亿民照明股份有限公司 | LED radiator and press forming process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202100959U (en) * | 2010-09-28 | 2012-01-04 | 厦门通士达照明有限公司 | LED (light emitting diode) ball lamp with radiator |
| CN202328091U (en) * | 2011-10-26 | 2012-07-11 | 杭州华普永明光电股份有限公司 | Lamp housing type heat radiator and LED (Light-Emitting Diode) lighting device |
| CN202835298U (en) * | 2012-11-07 | 2013-03-27 | 阳江汉能科技有限公司 | Radiator |
-
2012
- 2012-11-07 CN CN2012104405116A patent/CN102966930A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202100959U (en) * | 2010-09-28 | 2012-01-04 | 厦门通士达照明有限公司 | LED (light emitting diode) ball lamp with radiator |
| CN202328091U (en) * | 2011-10-26 | 2012-07-11 | 杭州华普永明光电股份有限公司 | Lamp housing type heat radiator and LED (Light-Emitting Diode) lighting device |
| CN202835298U (en) * | 2012-11-07 | 2013-03-27 | 阳江汉能科技有限公司 | Radiator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209385A (en) * | 2013-06-03 | 2014-12-17 | 施建升 | Quick forming method for lamp cup |
| CN104259316A (en) * | 2014-09-25 | 2015-01-07 | 昆山伯建精密模具有限公司 | Rounding die for LED lampshade |
| CN104438593A (en) * | 2014-11-14 | 2015-03-25 | 厦门海莱照明有限公司 | Production line for stamping circular aluminum sheets into pot-shaped LED lamp radiators |
| CN105371253A (en) * | 2015-11-24 | 2016-03-02 | 安徽亿民照明股份有限公司 | LED radiator and press forming process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102966930A (en) | Heat radiator and manufacturing method thereof | |
| CN103322476A (en) | Led ceiling lamp | |
| CN203131765U (en) | Light emitting diode (LED) radiator | |
| WO2013060211A1 (en) | Manufacturing method of lamp housing type heat-sink, lamp housing type heat-sink and led lighting device | |
| CN105921654A (en) | Automobile intake and exhaust flange and forging technology thereof | |
| CN202835298U (en) | Radiator | |
| CN202024184U (en) | LED spotlight and heat dissipation structure thereof | |
| CN102095103A (en) | Light emitting diode (LED) illuminating lamp and lamp thereof | |
| CN102997201A (en) | LED (Light-Emitting Diode) lamp bulb heat radiation lamp cup | |
| CN201448795U (en) | Universal LED radiator | |
| CN203484529U (en) | Mold for bending flange pedal | |
| CN103056619A (en) | Manufacture method for light-emitting diode (LED) radiator | |
| CN102278729A (en) | Heat dissipation body for light emitting diode (LED) lamp and manufacturing method of heat dissipation body | |
| CN201983030U (en) | Lampshade-free bulb lamp with external LED (light-emitting diode) | |
| CN212273945U (en) | Industrial and mining lamp | |
| CN202927567U (en) | LED (Light Emitting Diode) lamp with conduction type heat radiating structure | |
| CN202521296U (en) | LED (Light Emitting Diode) lamp bulb with good radiating function | |
| CN205096321U (en) | Cold punching doffer | |
| CN105371253A (en) | LED radiator and press forming process thereof | |
| CN203887044U (en) | Novel stamping die | |
| CN203868751U (en) | LED bulb lamp | |
| CN214133363U (en) | High-temperature-resistant diamond wire drawing die | |
| CN203605191U (en) | Heat abstractor of LED illumination lamp | |
| CN203718493U (en) | LED (Light Emitting Diode) spot lamp | |
| CN110355274A (en) | A kind of flat-plate compressed circular arc technique and half versatility mould structure and its application method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130313 |