CN206977895U - A kind of conductive graphite pad - Google Patents
A kind of conductive graphite pad Download PDFInfo
- Publication number
- CN206977895U CN206977895U CN201720685457.XU CN201720685457U CN206977895U CN 206977895 U CN206977895 U CN 206977895U CN 201720685457 U CN201720685457 U CN 201720685457U CN 206977895 U CN206977895 U CN 206977895U
- Authority
- CN
- China
- Prior art keywords
- graphite pad
- graphite
- pad
- low viscous
- conductive
- 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.)
- Expired - Fee Related
Links
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 82
- 239000010439 graphite Substances 0.000 title claims abstract description 82
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 80
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000741 silica gel Substances 0.000 claims abstract description 9
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 8
- 230000005855 radiation Effects 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The utility model discloses a kind of conductive graphite pad, including：Multiple single specifications of horizontally spaced setting or the Graphite pad of more specifications, the lower surface of each Graphite pad is coated with layer of silica gel；The lower surface bonds of Graphite pad have mould release membrance；The upper surface of Graphite pad is covered with low viscous diaphragm.The conductive graphite pad is using more convenient, beneficial to improving assembly working efficiency.
Description
Technical field
It the utility model is related to Graphite pad manufacturing technology field, more particularly to a kind of conductive graphite pad.
Background technology
In recent years, with the continuous development of electronic technology, electronic product, which is constantly updated, regenerates, the size of its work package
Less and less, the speed and efficiency more and more higher of work, its caloric value is also increasing, therefore does not require nothing more than it and be equipped with accordingly
Heat abstractor, it is also to be ensured that heat abstractor has stronger heat-sinking capability, made with ensureing the reliability of properties of product and extending it
Use the life-span.
Graphite as heat conduction and heat radiation material, because of its distinctive low-density (relative to metal class) and high heat conduction and heat radiation coefficient and
Low thermal resistance turns into the preferred material that hyundai electronicses class product solves heat conduction and heat radiation technology.Graphite heat radiation fin can not only be led along level
Heat, can also vertically heat conduction, especially with laminar structured, it is applied to any product
Surface, it can also effectively play a part of heat conduction and heat radiation.
Existing Graphite pad is during fabrication, general using vertical process adds again after cutting knife transverse direction process processing graphite tablet
Work, or using AB combination dies to graphite tablet punch forming, so as to be molded multiple Graphite pads.In use, by Graphite pad by
It is individual to be pasted onto on electronic component.But problems be present：
When the 1st, being processed using cutting knife, without spacing between the Graphite pad after processing, easy adhesion between adjoining graphite pad, visitor
Family in-convenience in use.
When the 2nd, combining mold forming using AB, mould set position low precision, materials'use rate is low, and leftover pieces waste is more, after processing
Product size can not meet more accurate electronic product size requirement.
3rd, in use, need to be pasted onto Graphite pad on electronic component one by one, assembly working efficiency is low.
Utility model content
The purpose of this utility model is to propose a kind of conductive graphite pad, and use is more convenient, and work is assembled beneficial to improving
Make efficiency.
To use following technical scheme up to this purpose, the utility model：
A kind of conductive graphite pad, including：Multiple single specifications of horizontally spaced setting or the graphite of more specifications
Pad, the lower surface of each Graphite pad are coated with layer of silica gel；The lower surface bonds of the Graphite pad have mould release membrance；
The upper surface of the Graphite pad is covered with low viscous diaphragm.
As further improvement of the utility model, the mould release membrance is PET net lattice film；The thickness of the mould release membrance is
0.05mm~0.15mm.
As further improvement of the utility model, the low viscous diaphragm is low viscous PET protection film；The low viscous protection
The thickness of film is 0.1mm~0.15mm.
As further improvement of the utility model, the thickness of the Graphite pad is 3.0mm~5.0mm.
The beneficial effects of the utility model are：The utility model proposes a kind of conductive graphite pad, including along level side
To the Graphite pad of spaced multiple single specifications or more specifications, the lower surface of each Graphite pad is coated with silica gel
Layer；The lower surface bonds of Graphite pad have mould release membrance；The upper surface of Graphite pad is covered with low viscous diaphragm.In use, throw off
Mould release membrance, multiple Graphite pads are bonded on electronic component by layer of silica gel, then throw off low viscous diaphragm.Compared to existing
Graphite pad is bonded one by one, and the conductive graphite pad substantially increases assembly working efficiency using more convenient.
Brief description of the drawings
Fig. 1 is a kind of structural representation of conductive graphite pad provided by the utility model；
Fig. 2 is a kind of machining sketch chart of the conductive graphite pad provided by the utility model in step B；
Fig. 3 is a kind of machining sketch chart of the conductive graphite pad provided by the utility model in step C.
In figure：The low viscous diaphragms of 1-；2- graphite tablets；21- Graphite pads；3- mould release membrances；The upper moulds of 4-；41- cavity drifts；
Mould under 5-；6- Lifting Devices；61- ejector beams.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
As shown in Figures 1 to 3, a kind of conductive graphite pad, including：Multiple single specifications of horizontally spaced setting or
The Graphite pad 21 of more specifications, the lower surface of each Graphite pad 21 are coated with layer of silica gel；Glue the lower surface of Graphite pad 21
It is connected to mould release membrance 3；The upper surface of Graphite pad 21 is covered with low viscous diaphragm 1.
The utility model proposes a kind of conductive graphite pad, when in use, first throw off mould release membrance 3, then by multiple graphite
Pad is bonded on electronic component by the layer of silica gel of its lower surface, then throws off low viscous diaphragm 1, so as to realize multiple stones
Assembling of the ink pad piece on electronic component, the conductive graphite pad substantially increase assembly working efficiency using more convenient.
As further improvement of the utility model, mould release membrance 3 is blue PET net lattice film；Grid film is used to reduce
Its contact area with Graphite pad, grid film is torn off from Graphite pad when being easy to use.The thickness of mould release membrance 3 is
0.05mm~0.15mm.
As further improvement of the utility model, low viscous diaphragm 1 is blue PET protection film；Low viscous diaphragm 1
Thickness is 0.1mm~0.15mm.
In above-mentioned conductive graphite pad, Graphite pad 21 includes the silicon of graphite substrate and the upper surface coated in graphite substrate
Glue-line.Wherein, the thickness of Graphite pad 21 is 3.0mm~5.0mm, and the thickness of layer of silica gel is 0.05mm~0.1mm.
The preparation method of the conductive graphite pad, comprises the following steps：
Step A：Blanking, prepare mould release membrance 3 and low viscous diaphragm 1；
Step B：Punch forming, using the upper mould 4 with multiple cavity drifts 41, for installing multiple cavity drifts 41,
And the punching press shaping equipment of lower mould 5 carries out punch forming to graphite tablet 2, the graphite pads of multiple single specifications or more specifications are molded
Piece 21.Wherein, multiple cavity drifts 41 are installed on the lower surface of the upper mould 4 of punching press shaping equipment.Stamping forming Graphite pad
21 enter in the cavity of corresponding cavity drift 41；Especially, in placing graphite tablet 2, by having for graphite tablet 2
The upper surface of layer of silica gel is pasted onto the edge of a knife face of cavity drift 41, in order to fixed graphite material piece 2, graphite when preventing punch forming
Tablet 2 is moved and influences the machining accuracy of the Graphite pad of shaping.
Step C：Using the Lifting Device 6 of the limiting plate with multiple ejector beams 61 and positioned at the top of multiple ejector beams 61
Level pressure is carried out to Graphite pad 21：The movement of upper mould 4 in step B is attached in Lifting Device 6, wherein, the one of Lifting Device 6
Individual ejector beam 61 can correspond to the cavity for inserting a cavity drift 41；Low viscous diaphragm 1 is positioned over to the top of ejector beam 61
Between limiting plate, ejector beam 61 drives it to stretch into graphite in the cavity of corresponding cavity drift 41 by drive device
Pad 21 ejects, and coordinates top pressure Graphite pad 21 be bonded with low viscous diaphragm 3 with limiting plate, formed conductive graphite pad partly into
Product；Wherein, drive device is cylinder or hydraulic cylinder.
Step D：From Lifting Device 6 take out conductive graphite pad semi-finished product, pasted in the upper surface of Graphite pad 21 from
Type film 3, obtain conductive graphite pad.
Wherein, in step A, when preparing mould release membrance 3 and low viscous diaphragm 1 using die cutting device, respectively in mould release membrance 3 and low
The non-product contact of viscous diaphragm 1 is bonded a layer thickness as 0.075mm, weight 30g transparent protective film, to protect mould release membrance 3
And the surface of low viscous diaphragm 1.
The preparation method of the conductive graphite pad, adhesion between the adjoining graphite pad after shaping can be effectively avoided, and
And the machining accuracy of Graphite pad is high, shaping efficiency is high, stock utilization is high.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (4)
1. a kind of conductive graphite pad, it is characterised in that multiple single specifications or more rule including horizontally spaced setting
The Graphite pad (21) of lattice, the lower surface of each Graphite pad (21) are coated with layer of silica gel；The Graphite pad (21)
Lower surface bonds have mould release membrance (3)；The upper surface of the Graphite pad (21) is covered with low viscous diaphragm (1).
2. a kind of conductive graphite pad according to claim 1, it is characterised in that the mould release membrance (3) is PET net lattice
Film；The thickness of the mould release membrance (3) is 0.05mm~0.15mm.
3. a kind of conductive graphite pad according to claim 1, it is characterised in that the low viscous diaphragm (1) is low viscous
PET protection film；The thickness of the low viscous diaphragm (1) is 0.1mm~0.15mm.
4. a kind of conductive graphite pad according to claim 1, it is characterised in that the thickness of the Graphite pad (21) is
3.0mm~5.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685457.XU CN206977895U (en) | 2017-06-13 | 2017-06-13 | A kind of conductive graphite pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685457.XU CN206977895U (en) | 2017-06-13 | 2017-06-13 | A kind of conductive graphite pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206977895U true CN206977895U (en) | 2018-02-06 |
Family
ID=61407595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720685457.XU Expired - Fee Related CN206977895U (en) | 2017-06-13 | 2017-06-13 | A kind of conductive graphite pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206977895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107148199A (en) * | 2017-06-13 | 2017-09-08 | 昆山市飞荣达电子材料有限公司 | A kind of conductive graphite pad and preparation method thereof |
-
2017
- 2017-06-13 CN CN201720685457.XU patent/CN206977895U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107148199A (en) * | 2017-06-13 | 2017-09-08 | 昆山市飞荣达电子材料有限公司 | A kind of conductive graphite pad and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 |