CN105371253A - LED radiator and press forming process thereof - Google Patents
LED radiator and press forming process thereof Download PDFInfo
- Publication number
- CN105371253A CN105371253A CN201510829335.9A CN201510829335A CN105371253A CN 105371253 A CN105371253 A CN 105371253A CN 201510829335 A CN201510829335 A CN 201510829335A CN 105371253 A CN105371253 A CN 105371253A
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- Prior art keywords
- punch
- radiator
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- friction
- cylindrical body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/022—Making the fins
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention discloses a structure of an LED radiator. The LED radiator comprises a cylindrical body. The LED radiator is characterized in that a plurality of heat dissipation pieces are evenly distributed outside the cylindrical body, and the two side faces of each heat dissipation piece are each provided with an arc-shaped extending face which is bent towards the outer side of heat dissipation piece correspondingly; the outer surface of the cylindrical body, the heat dissipation pieces and the arc-shaped extending faces are all coated with heat dissipation paint. According to the structure of the LED radiator, heat dissipation is ensured, and meanwhile, the maximum contact area with air is achieved. Meanwhile, the outer surface of the radiator is coated with the specially-made heat dissipation material, so that the heat dissipation effect is better. In addition, in the press forming course, deficiencies of work procedures are reduced, and the production efficiency is improved.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of LED radiator and punch forming process thereof.
Background technology
Flourish along with LED illumination industry, the design and manufaction of LED lamp becomes the study hotspot of enterprise gradually.Radiator, as the critical component solving LED heat dissipation problem, which determine the service life of LED, and its relevant design and manufaction is to closing heavily.What want the manufacturing process of traditional LED radiator product mainly to adopt is die casting and punching press.With the LED radiator product that extrusion process manufactures, its pressur casting size precision be shaped is high, and surface smoothness is good, there is higher intensity and hardness, but the mode cost producing LED radiator product with extrusion process is high, product quality weight, and production efficiency is low, the product of LED radiator is manufactured with Sheet Metal Forming Technology, not only precision is high for its stamping parts be shaped, and quality is light, has higher intensity and hardness, but traditional Sheet Metal Forming Technology contains multiple working procedure, its processing efficiency is low.And later heat spreader structures, be mostly casting, in order to be convenient in demoulding, therefore the structural design of its fin is just restricted, it is mostly conveniently stripped structure, and can not better utilize space enlargement area of dissipation, therefore heat dispersion is just restricted.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of plastic additive and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of structure of LED radiator, include cylindrical body, it is characterized in that: outside described cylindrical body, be evenly distributed with several fin, and the two sides of fin are respectively equipped with the arc extended surface to its outer lateral bend, the outer surface of described cylindrical body and fin and arc extended surface are coated with heat radiation coating;
Described heat radiation coating is made by by following raw material: Graphene 4-6, silica 2-4, ɑ-aluminium oxide 1-3, CNT 3-5, polypropylene 2-3, polysulfone resin 1-3, nylon66 fiber 2-5, glass fibre 4-8, mineral oil 3-7, ice crystal fine powder 2-4, zirconium acetate 1-3, citric acid 2-4, iron powder 2-5, copper powder 1-3, potassium fluoroaluminate 3-6; Its concrete preparation method is: all put in stainless steel heating tank by the raw material of said components and heat raw material, heat while stirring, its mixing speed controls at 100-120 rev/min, after being heated with stirring to 90 DEG C-150 DEG C, stop heating, and continue to stir 50-65 minute; Finally will add the starch milk suction after thermal agitation on the freezing bed of stainless steel, to keep under 0 DEG C of-2 DEG C of condition refrigeration 24 hours, make its crystallization retrogradation, make hydrone from starch, analyse drench out, heat radiation coating;
The punch forming process of described LED radiator, is characterized in that: concrete steps are as follows:
(1) punch forming of cylindrical body
First by progressive die, punch forming is carried out to blank, through drawing, reverse drawing, punching and reverse drawing, blanking and reducing four step and plastic radiator; The process parameter value of the punching press of drawing and punching and reverse drawing operation in process is: the coefficient of friction of blank holder and plate is 0.125, convex touching with the coefficient of friction of plate is 0.125, the coefficient of friction of mould and plate is 0.125, and pressure-pad-force is 120kN, and drawing velocity is 500mms-1; The process parameter value of the punching press of reverse drawing is: the coefficient of friction of blank holder and plate is 0.1, and convex touching with the coefficient of friction of plate is 0.1, and the coefficient of friction of die and plate is 0.1, and pressure-pad-force is 60kN, and drawing velocity is 500mms-1; Ensure when blanking and reducing that drawing velocity is that 500mms-1 gets final product punch forming; And ensure that in progressive die, piercing punch and reverse drawing punch are located on progressive die lower end, the extreme higher position of piercing punch is higher than the extreme higher position of reverse drawing punch, difference in height is greater than the difference in height of punching and reverse drawing position on blank, to ensure that punching and reverse drawing can complete in same operation; The lower end position of the 2nd, the 3rd procedure punch-die is lower than the upper work package of other two procedures simultaneously, ensures the binder of the 2nd, 3 procedure reverse drawings, punch process;
(2), the punch forming of fin
Radiator after shaping to step (1) adopts corresponding mould to break up backing, radiator;
(3), heat radiation coating is applied
To the barrel outer surface of the radiator after shaping and radiating surface and shape extended surface by spray gun spray heat radiation coating finished product.
Traditional LED radiator Sheet Metal Forming Technology is eight procedures such as drawing, drawing, reverse drawing, reverse drawing, punching, reducing, reducing, blanking, by the structure of mould and the design of position and punching press condition, during the reducing form of outer support that can to integrate twice drawing sequence be drawing one procedure in adopting, the limit necking coefficient of aluminium can reach 0.27-0.32 in theory, the necking forming requirement of part can be met, can integrate twice reducing operation with blanking operation be together with blanking and reducing operation.
Advantage of the present invention is:
In the present invention, the structure of radiator is while guarantee heat radiation, to reach farthest and the contact area of air, simultaneously at the heat sink material that the outer surface of radiator is special, radiating effect is better, and in punch forming process, decrease operation deficiency, accelerate production efficiency.
Accompanying drawing explanation
Fig. 1 is cross section structure schematic diagram of the present invention.
Detailed description of the invention
A kind of structure of LED radiator, include cylindrical body 1, several fin 2 is evenly distributed with outside cylindrical body 1, and the two sides of fin 2 are respectively equipped with the arc extended surface 3 to its outer lateral bend, the outer surface of cylindrical body 1 and fin 2 and arc extended surface 3 are coated with heat radiation coating;
Described heat radiation coating is made by by following raw material: Graphene 5, silica 3, ɑ-aluminium oxide 2, CNT 4, polypropylene 2.5, polysulfone resin 2, nylon66 fiber 3, glass fibre 6, mineral oil 5, ice crystal fine powder 3, zirconium acetate 2, citric acid 3, iron powder 3.5, copper powder 2, potassium fluoroaluminate 4; Its concrete preparation method is: all put in stainless steel heating tank by the raw material of said components and heat raw material, heat while stirring, and its mixing speed controls at 110 revs/min, after being heated with stirring to 120 DEG C, stopping heating, and continues stirring 60 minutes; Finally will add the starch milk suction after thermal agitation on the freezing bed of stainless steel, to keep under 1 DEG C of condition refrigeration 24 hours, make its crystallization retrogradation, make hydrone from starch, analyse drench out, heat radiation coating;
The punch forming process of described LED radiator, is characterized in that: concrete steps are as follows:
(1) punch forming of cylindrical body
First by progressive die, punch forming is carried out to blank, through drawing, reverse drawing, punching and reverse drawing, blanking and reducing four step and plastic radiator; The process parameter value of the punching press of drawing and punching and reverse drawing operation in process is: the coefficient of friction of blank holder and plate is 0.125, convex touching with the coefficient of friction of plate is 0.125, the coefficient of friction of mould and plate is 0.125, and pressure-pad-force is 120kN, and drawing velocity is 500mms-1; The process parameter value of the punching press of reverse drawing is: the coefficient of friction of blank holder and plate is 0.1, and convex touching with the coefficient of friction of plate is 0.1, and the coefficient of friction of die and plate is 0.1, and pressure-pad-force is 60kN, and drawing velocity is 500mms-1; Ensure when blanking and reducing that drawing velocity is that 500mms-1 gets final product punch forming; And ensure that in progressive die, piercing punch and reverse drawing punch are located on progressive die lower end, the extreme higher position of piercing punch is higher than the extreme higher position of reverse drawing punch, difference in height is greater than the difference in height of punching and reverse drawing position on blank, to ensure that punching and reverse drawing can complete in same operation; The lower end position of the 2nd, the 3rd procedure punch-die is lower than the upper work package of other two procedures simultaneously, ensures the binder of the 2nd, 3 procedure reverse drawings, punch process;
(2), the punch forming of fin
Radiator after shaping to step (1) adopts corresponding mould to break up backing, radiator;
(3), heat radiation coating is applied
To the barrel outer surface of the radiator after shaping and radiating surface and shape extended surface by spray gun spray heat radiation coating finished product.
Claims (3)
1. the structure of a LED radiator, include cylindrical body, it is characterized in that: outside described cylindrical body, be evenly distributed with several fin, and the two sides of fin are respectively equipped with the arc extended surface to its outer lateral bend, the outer surface of described cylindrical body and fin and arc extended surface are coated with heat radiation coating.
2. the structure of LED radiator according to claim 1, is characterized in that: described heat radiation coating is made by by following raw material: Graphene 4-6, silica 2-4, ɑ-aluminium oxide 1-3, CNT 3-5, polypropylene 2-3, polysulfone resin 1-3, nylon66 fiber 2-5, glass fibre 4-8, mineral oil 3-7, ice crystal fine powder 2-4, zirconium acetate 1-3, citric acid 2-4, iron powder 2-5, copper powder 1-3, potassium fluoroaluminate 3-6; Its concrete preparation method is: all put in stainless steel heating tank by the raw material of said components and heat raw material, heat while stirring, its mixing speed controls at 100-120 rev/min, after being heated with stirring to 90 DEG C-150 DEG C, stop heating, and continue to stir 50-65 minute; Finally will add the starch milk suction after thermal agitation on the freezing bed of stainless steel, to keep under 0 DEG C of-2 DEG C of condition refrigeration 24 hours, make its crystallization retrogradation, make hydrone from starch, analyse drench out, heat radiation coating.
3. the punch forming process of LED radiator according to claim 1, is characterized in that: concrete steps are as follows:
(1) punch forming of cylindrical body
First by progressive die, punch forming is carried out to blank, through drawing, reverse drawing, punching and reverse drawing, blanking and reducing four step and plastic radiator; The process parameter value of the punching press of drawing and punching and reverse drawing operation in process is: the coefficient of friction of blank holder and plate is 0.125, convex touching with the coefficient of friction of plate is 0.125, the coefficient of friction of mould and plate is 0.125, and pressure-pad-force is 120kN, and drawing velocity is 500mms-1; The process parameter value of the punching press of reverse drawing is: the coefficient of friction of blank holder and plate is 0.1, and convex touching with the coefficient of friction of plate is 0.1, and the coefficient of friction of die and plate is 0.1, and pressure-pad-force is 60kN, and drawing velocity is 500mms-1; Ensure when blanking and reducing that drawing velocity is that 500mms-1 gets final product punch forming; And ensure that in progressive die, piercing punch and reverse drawing punch are located on progressive die lower end, the extreme higher position of piercing punch is higher than the extreme higher position of reverse drawing punch, difference in height is greater than the difference in height of punching and reverse drawing position on blank, to ensure that punching and reverse drawing can complete in same operation; The lower end position of the 2nd, the 3rd procedure punch-die is lower than the upper work package of other two procedures simultaneously, ensures the binder of the 2nd, 3 procedure reverse drawings, punch process;
(2), the punch forming of fin
Radiator after shaping to step (1) adopts corresponding mould to break up backing, radiator;
(3), heat radiation coating is applied
To the barrel outer surface of the radiator after shaping and radiating surface and shape extended surface by spray gun spray heat radiation coating finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510829335.9A CN105371253A (en) | 2015-11-24 | 2015-11-24 | LED radiator and press forming process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510829335.9A CN105371253A (en) | 2015-11-24 | 2015-11-24 | LED radiator and press forming process thereof |
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| CN105371253A true CN105371253A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510829335.9A Pending CN105371253A (en) | 2015-11-24 | 2015-11-24 | LED radiator and press forming process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118449A (en) * | 2016-07-06 | 2016-11-16 | 常州新赛特纳米科技有限公司 | Fin of polymer composite and preparation method thereof |
| US10453872B1 (en) | 2018-05-03 | 2019-10-22 | Wuhan China Star Optoelectronics Semiconductor Display Technologiy Co., Ltd. | Array substrate and manufacturing method thereof |
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| US20100051985A1 (en) * | 2008-09-04 | 2010-03-04 | Samsung Electro-Mechanics Co., Ltd. | Led package |
| US20120026740A1 (en) * | 2011-05-02 | 2012-02-02 | Kyunghyun Kim | Lighting apparatus |
| CN102510702A (en) * | 2011-09-29 | 2012-06-20 | 美铝公司 | Radiator for electronic or electric products and manufacturing method thereof |
| CN102913876A (en) * | 2012-09-28 | 2013-02-06 | 深圳市慧盈通机电有限公司 | LED (light emitting diode) lamp, heat radiator used for LED lamp and machining process of heat radiator |
| CN102966930A (en) * | 2012-11-07 | 2013-03-13 | 阳江汉能科技有限公司 | Heat radiator and manufacturing method thereof |
| CN104312433A (en) * | 2014-09-22 | 2015-01-28 | 铜陵市新泰电容电器有限责任公司 | Electrolytic capacitor casing heat radiating coating containing graphene material |
| CN104789823A (en) * | 2015-04-12 | 2015-07-22 | 芜湖市神龙新能源科技有限公司 | Aluminum-based composite heat dissipation material for LED |
| CN104893285A (en) * | 2015-06-09 | 2015-09-09 | 苏州云舒新材料科技有限公司 | Novel composite heat dispersing material |
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2015
- 2015-11-24 CN CN201510829335.9A patent/CN105371253A/en active Pending
Patent Citations (8)
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| US20100051985A1 (en) * | 2008-09-04 | 2010-03-04 | Samsung Electro-Mechanics Co., Ltd. | Led package |
| US20120026740A1 (en) * | 2011-05-02 | 2012-02-02 | Kyunghyun Kim | Lighting apparatus |
| CN102510702A (en) * | 2011-09-29 | 2012-06-20 | 美铝公司 | Radiator for electronic or electric products and manufacturing method thereof |
| CN102913876A (en) * | 2012-09-28 | 2013-02-06 | 深圳市慧盈通机电有限公司 | LED (light emitting diode) lamp, heat radiator used for LED lamp and machining process of heat radiator |
| CN102966930A (en) * | 2012-11-07 | 2013-03-13 | 阳江汉能科技有限公司 | Heat radiator and manufacturing method thereof |
| CN104312433A (en) * | 2014-09-22 | 2015-01-28 | 铜陵市新泰电容电器有限责任公司 | Electrolytic capacitor casing heat radiating coating containing graphene material |
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| CN104893285A (en) * | 2015-06-09 | 2015-09-09 | 苏州云舒新材料科技有限公司 | Novel composite heat dispersing material |
Non-Patent Citations (1)
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| 郑天清；顾立志: "基于四级冲压新工艺的LED散热体级进模具技术研究设计", 《锻压技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118449A (en) * | 2016-07-06 | 2016-11-16 | 常州新赛特纳米科技有限公司 | Fin of polymer composite and preparation method thereof |
| US10453872B1 (en) | 2018-05-03 | 2019-10-22 | Wuhan China Star Optoelectronics Semiconductor Display Technologiy Co., Ltd. | Array substrate and manufacturing method thereof |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170509 Address after: 237200 Anhui Lu'an Mount Holyoke Economic Development Zone source road Applicant after: ANHUI YILUMING PHOTOELECTRIC TECHNOLOGY CO., LTD. Address before: 237200, Anhui County, Lu'an City, Mount Holyoke County, on the west side of the road down the river Applicant before: ANHUI YIMIN LIGHTING CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160302 |