CN105366669B - Graphite film coiled material produces tool and graphite film coiled material production method - Google Patents
Graphite film coiled material produces tool and graphite film coiled material production method Download PDFInfo
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- CN105366669B CN105366669B CN201510834388.XA CN201510834388A CN105366669B CN 105366669 B CN105366669 B CN 105366669B CN 201510834388 A CN201510834388 A CN 201510834388A CN 105366669 B CN105366669 B CN 105366669B
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Abstract
The invention discloses a kind of graphite film coiled material to produce tool, including：First semi-ring and the second semi-ring, the first semi-ring and the second semi-ring form Hough hooping structure, and the inner chamber of Hough hooping structure forms coiled material accommodating cavity；Radially-directed part is provided with the connecting end surface of first semi-ring and the second semi-ring；It is arranged on the ventilation bottom plate of Hough hooping structure bottom；The volume heart being arranged on ventilation bottom plate；The ventilation cover plate being arranged at the top of Hough hooping structure.The invention also discloses a kind of graphite film coiled material production method, comprise the following steps：1) coiled material, by PI films using native graphite paper as carrier, coiled material is coiled into, be put into the inner chamber of above-mentioned tool；2) it is carbonized, tool is sent into carbide furnace and is carbonized, tool is sleeping in carbonisation puts；3) graphitization, tool is sent into graphitizing furnace and carries out graphitization, tool is placed vertically in graphitizing process；4) uncoiling rewinding；5) calendering process.The graphite film coiled material energy consumption that the present invention produces is low, and product yield is high.
Description
Technical field
The present invention relates to graphite film production field, more particularly to graphite film coiled material production tool and graphite film coiled material producer
Method.
Background technology
With the continuous development of electronics industry, the heating in mobile phone, computer, LCD TV and various surface-mounted integrated circuits
Requirement more and more higher of the part to radiating, therefore graphite film is high as a kind of thermal conductivity and Heat Conduction Material in film-form is in electronics
Be widely used in industry, it can effectively by heat caused by electronic unit to the radiator body transmission such as radiator,
So as to which the heat of electronic unit is spread rapidly to reduce the temperature of the electronic unit of heating.The manufacture method of existing graphite film is
Individual polymeric membrane is sandwiched in flexible graphite paper and is heat-treated and is obtained, but so graphite film size is limited, production effect
Rate is low, and is restricted in subsequent applications, therefore how efficiently to produce continuous graphite film coiled material into heat instantly
The problem of door.
Expect continuous graphite film coiled material, polymeric membrane such as PI films need to be wound behaviour with auxiliary material flexible graphite paper
Make.In sintering process, three kinds of change in size can occur this coiled material for polymeric membrane, and first is the planar dimension in carbonisation
Shrink, second is the dimensional contraction of thickness direction in carbonisation, and the 3rd is the expansion that thickness direction occurs in graphitizing process；
The first and second of change in size must be carried out in the state of having pressure confines, otherwise be occurred certainly after polymeric membrane carbonization
By warpage, surface quality is not up to standard after causing graphitization, reduces product fine rate, can not carry out the later process processing such as rolling；
The third change in size can cause auxiliary material flexible graphite paper to be broken under rigid constraint by huge tension force, therefore can not repeat
Utilize, cause production efficiency to be greatly reduced, the scale volume production of graphite film coiled material can not be realized.
The content of the invention
An object of the present invention is that providing a kind of graphite film coiled material produces tool, and the second object of the present invention is to carry
For a kind of graphite film coiled material production method.
Technical problem solved by the invention can be realized using following technical scheme：
Graphite film coiled material produces tool, it is characterised in that including：
First semi-ring and the second semi-ring, first semi-ring and the second semi-ring form Hough hooping structure, and the Hough is embraced
The inner chamber of cuff structure forms coiled material accommodating cavity；
Radially-directed part is provided with the connecting end surface of first semi-ring and the second semi-ring；
It is arranged on the ventilation bottom plate of the Hough hooping structure bottom；
Be arranged on the ventilation bottom plate and positioned at the Hough hooping structure inner chamber for coiled material roll around the volume heart；
The ventilation cover plate being arranged at the top of the Hough hooping structure.
In a preferred embodiment of the invention, the radially-directed part includes：
The feather key being arranged in the middle part of the connecting end surface of first semi-ring；
The guide groove for being arranged in the middle part of the connecting end surface of second semi-ring and coordinating with the feather key；
The connecting end surface of first semi-ring and the second semi-ring and limitation first semi-ring and the second semi-ring are connected respectively
Radially movable distance caging bolt and stop nut.
In a preferred embodiment of the invention, set respectively on the connecting end surface of first semi-ring and the second semi-ring
There are radial direction through hole, the caging bolt to be connected after being threaded through the radial direction through hole with the stop nut.
In a preferred embodiment of the invention, the bottom interior wall of first semi-ring and the second semi-ring is provided with receiving
The lower annular groove of the ventilation bottom plate outer peripheral edge.
In a preferred embodiment of the invention, the top inner wall of first semi-ring and the second semi-ring is provided with receiving
The upper annular groove of the ventilation cover plate outer peripheral edge.
In a preferred embodiment of the invention, some ventilations are provided with the ventilation cover plate or/and ventilation bottom plate
Hole.
Graphite film coiled material production method, it is characterised in that comprise the following steps：
1) coiled material, by PI films using native graphite paper as carrier, coiled material is coiled into, the tool being put into described in above-mentioned technical proposal
In inner chamber；
2) it is carbonized, the tool is sent into carbide furnace and is carbonized, tool described in carbonisation is sleeping is put；
3) graphitization, the tool is sent into graphitizing furnace and carries out graphitization, tool is vertical described in graphitizing process
Place；
4) uncoiling rewinding；
5) calendering process.
In a preferred embodiment of the invention, in the step 2), ensure that semi-ring inwall above is pressed in volume
On material.
As a result of technical scheme as above, the beneficial effects of the present invention are：
1. carbonization is saved the time about 20%, energy consumption reduces by 10%；
2. product yield brings up to 96%；
3. the demand of the large scale client met, the general monolithic square of conventional patch is not more than 0.1 ㎡, produced by the invention
Individual maximum reachable 100 ㎡ of coiled material.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the exploded view of the tool use state of an embodiment of the present invention.
Fig. 2 is that the stereogram of the tool use state of an embodiment of the present invention (eliminates caging bolt and spacing spiral shell
It is female).
Fig. 3 is the cross-sectional end view of the first semi-ring of the tool of an embodiment of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, enter below
One step illustrates the present invention.
Referring to shown in Fig. 1 to Fig. 3, graphite film coiled material production tool 1000 include the first semi-ring 100 and the second semi-ring 200,
Ventilation bottom plate 300, ventilation cover plate 400 and the volume heart 500.
First semi-ring 100 and the second semi-ring 200 form Hough hooping structure, and the inner chamber of Hough hooping structure forms coiled material and held
Put chamber.Radially-directed part is provided with the connecting end surface 110,210 of the first semi-ring 100 and the second semi-ring 200.The present embodiment
In radially-directed part include being arranged on the feather key 710 at the middle part of connecting end surface 110 of the first semi-ring 100 and be arranged on second
The middle part of connecting end surface 210 of semi-ring 200 and the guide groove 720 coordinated with feather key 710, and the first semi-ring 100 is connected respectively
With the connecting end surface 110,210 of the second semi-ring 200 and the radially movable distance of the first semi-ring 100 of limitation and the second semi-ring 200
Caging bolt 730 and stop nut 740.Caging bolt 730 and stop nut 740 are four groups, are separately positioned on the first semi-ring 100
With the on both sides of the middle of the connecting end surface 110,210 of the second semi-ring 200.The connecting end surface of first semi-ring 100 and the second semi-ring 200
110th, be respectively arranged with radial direction through hole 750a, 750b on 210, caging bolt 730 be threaded through after radial direction through hole 750a, 750b with it is spacing
Nut 740 connects, and by adjusting the cooperation position of stop nut 740 and caging bolt 730, can control the He of the first semi-ring 100
The radially movable distance of second semi-ring 200.
In order to facilitate the installation of ventilation bottom plate 300 and cover plate 400 of ventilating, the bottom of the first semi-ring 100 and the second semi-ring 200
Inwall is provided with the lower annular groove 101,201 for accommodating ventilation bottom plate 300 outer peripheral edge；The top of first semi-ring 100 and the second semi-ring 200
Portion's inwall is provided with the upper annular groove 102,202 for accommodating ventilation cover plate 400 outer peripheral edge, when the first semi-ring 100 and the second semi-ring 200
When filling the span of a man's arms, ventilation bottom plate 300 and ventilation cover plate 400 are fixed on Hough hooping structure bottom and Hough hooping structure top respectively
Portion.The volume heart 500 is arranged on ventilation bottom plate 300 and is located at Hough hooping structure inner chamber, and the volume heart 500 in the present embodiment is fixed on
Ventilate on the middle part of bottom plate 300 so that coiled material 600 can be on the volume heart 500.Ventilation bottom plate 300 and the upper of cover plate 400 of ventilating
Some passages 301,401 are respectively arranged with, facilitate the exchange of heat.
Supporting plane is additionally provided with the middle part of the outer peripheral face of the first semi-ring 100 and the second semi-ring 200, facilitates subsequent handling
It is sleeping to put.
Graphite film coiled material production method, comprises the following steps：
1) coiled material, by PI films using native graphite paper thick 0.075mm as carrier, coiled material 600 is coiled into, is put into above-mentioned tool
In 1000 inner chamber；
2) it is carbonized, tool 1000 is sent into carbide furnace and is carbonized, tool 1000 is sleeping in carbonisation puts, and ensures to be located at
The semi-ring inwall of top is pressed on coiled material 600, because coiled material 600 can shrink in carbonisation, and semi-ring above
The tension force of the gravity and coiled material 600 of weight and coiled material 600 itself make it that coiled material is not in free warpage in carbonization, and
Radially guiding parts moves radially semi-ring above in coiled material contraction process, ensures the planarization of coiled material；
3) graphitization, tool 1000 is sent into graphitizing furnace and carries out graphitization, tool 1000 is vertical in graphitizing process
Place, because graphitization coiled material can expand, so the first semi-ring 100 and the second semi-ring 200 of the tool 1000 placed vertically exist
Radially guiding parts moves radially in coiled material expansion process, ensures the planarization of coiled material；
4) uncoiling rewinding；
5) calendering process.
With reference to above-mentioned tool and production method so that the invention has the advantages that：
1. carbonization is saved the time about 20%, energy consumption reduces by 10%；
2. product yield brings up to 96%；
3. the demand of the large scale client met, the general monolithic square of conventional patch is not more than 0.1 ㎡, produced by the invention
Individual maximum reachable 100 ㎡ of coiled material.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. graphite film coiled material produces tool, it is characterised in that including：
First semi-ring and the second semi-ring, first semi-ring and the second semi-ring form Hough hooping structure, the Hough anchor ear knot
The inner chamber of structure forms coiled material accommodating cavity；
Radially-directed part is provided with the connecting end surface of first semi-ring and the second semi-ring；
It is arranged on the ventilation bottom plate of the Hough hooping structure bottom；
Be arranged on the ventilation bottom plate and positioned at the Hough hooping structure inner chamber for coiled material roll around the volume heart；
The ventilation cover plate being arranged at the top of the Hough hooping structure.
2. graphite film coiled material as claimed in claim 1 produces tool, it is characterised in that the radially-directed part includes：
The feather key being arranged in the middle part of the connecting end surface of first semi-ring；
The guide groove for being arranged in the middle part of the connecting end surface of second semi-ring and coordinating with the feather key；
The connecting end surface of first semi-ring and the second semi-ring and the footpath of limitation first semi-ring and the second semi-ring are connected respectively
To the caging bolt and stop nut of operating range.
3. graphite film coiled material as claimed in claim 2 produces tool, it is characterised in that first semi-ring and the second semi-ring
Radial direction through hole is respectively arranged with connecting end surface, the caging bolt connects after being threaded through the radial direction through hole with the stop nut
Connect.
4. graphite film coiled material as claimed in claim 1 produces tool, it is characterised in that first semi-ring and the second semi-ring
Bottom interior wall is provided with the lower annular groove for accommodating the ventilation bottom plate outer peripheral edge.
5. graphite film coiled material as claimed in claim 1 produces tool, it is characterised in that first semi-ring and the second semi-ring
Top inner wall is provided with the upper annular groove for accommodating the ventilation cover plate outer peripheral edge.
6. graphite film coiled material as claimed in claim 1 produces tool, it is characterised in that the ventilation cover plate or/and ventilation bottom
Some passages are provided with plate.
7. graphite film coiled material production method, it is characterised in that comprise the following steps：
1) coiled material, by PI films using native graphite paper as carrier, coiled material is coiled into, be put into such as claim 1 to 6 any claim institute
In the inner chamber for the tool stated；
2) it is carbonized, the tool is sent into carbide furnace and is carbonized, tool described in carbonisation is sleeping is put；
3) graphitization, the tool is sent into graphitizing furnace and carries out graphitization, tool is placed vertically described in graphitizing process；
4) uncoiling rewinding；
5) calendering process.
8. graphite film coiled material production method as claimed in claim 7, it is characterised in that in the step 2), ensure positioned at upper
The semi-ring inwall of side is pressed on coiled material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510834388.XA CN105366669B (en) | 2015-11-25 | 2015-11-25 | Graphite film coiled material produces tool and graphite film coiled material production method |
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|---|---|---|---|
| CN201510834388.XA CN105366669B (en) | 2015-11-25 | 2015-11-25 | Graphite film coiled material produces tool and graphite film coiled material production method |
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| CN105366669A CN105366669A (en) | 2016-03-02 |
| CN105366669B true CN105366669B (en) | 2018-01-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106115670A (en) * | 2016-06-23 | 2016-11-16 | 苏州格优碳素新材料有限公司 | A kind of package Delanium heat dissipation film manufacture method |
| CN107986270A (en) * | 2017-12-27 | 2018-05-04 | 碳元科技股份有限公司 | A kind of graphite film coiled material gauge and the technique using its production graphite film coiled material |
| CN108751185A (en) * | 2018-08-21 | 2018-11-06 | 北京中石伟业科技股份有限公司 | A kind of conductive graphite film coiled material smelting tool and carbide furnace |
| CN109095464B (en) * | 2018-10-30 | 2023-08-18 | 上海弘枫实业有限公司 | Production jig of graphite film coiled material and production process of graphite film coiled material |
| CN113865357B (en) * | 2021-11-08 | 2024-04-09 | 江西民强新材料技术有限公司 | Production jig for artificial graphite film coiled material and process for producing artificial graphite film coiled material by using production jig |
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| CN102562747A (en) * | 2010-12-28 | 2012-07-11 | 常州碳元科技发展有限公司 | Fastener with high heat dispersion performance and manufacture method thereof |
| CN103096691B (en) * | 2012-06-25 | 2015-04-29 | 北京中石伟业科技无锡有限公司 | Graphite film heat conductor |
| CN203682707U (en) * | 2013-11-19 | 2014-07-02 | 嘉兴中易碳素科技有限公司 | Coil tensioning device |
| CN205204827U (en) * | 2015-11-25 | 2016-05-04 | 上海弘枫实业有限公司 | Graphite membrane coiled material production tool |
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