CN215885801U - Continuous processing device for graphene heat-conducting film - Google Patents
Continuous processing device for graphene heat-conducting film Download PDFInfo
- Publication number
- CN215885801U CN215885801U CN202120564429.9U CN202120564429U CN215885801U CN 215885801 U CN215885801 U CN 215885801U CN 202120564429 U CN202120564429 U CN 202120564429U CN 215885801 U CN215885801 U CN 215885801U
- Authority
- CN
- China
- Prior art keywords
- pressing roller
- graphene
- continuous processing
- processing device
- conveying belt
- 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.)
- Active
Links
Images
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model provides a graphene heat-conducting film continuous processing device which comprises a vacuum cover body, wherein an unwinding device, a winding device and a conveying belt connected between the unwinding device and the winding device in a tensioning mode are arranged in a vacuum space of the vacuum cover body, the conveying belt is placed on a plurality of graphene foam film blocks, the graphene heat-conducting film continuous processing device further comprises a first pressing roller and a second pressing roller, the first pressing roller and the second pressing roller are oppositely arranged, a gap is formed between the first pressing roller and the second pressing roller, and the conveying belt penetrates through the gap. According to the utility model, the graphene foam membrane block can be rolled and pressed to reduce the thickness and improve the density, meanwhile, the pressure difference between the vacuum environment and the pressure in the graphene foam membrane block can be fully utilized to realize effective exhaust of the graphene foam membrane block, and the needle punching treatment in the prior art is not needed, namely, the technical scheme of the utility model can realize continuous production of the high-density graphene heat-conducting membrane while exhausting and thickening in the rolling process.
Description
Technical Field
The utility model belongs to the technical field of processing and manufacturing of graphene heat-conducting films, and particularly relates to a continuous processing device for a graphene heat-conducting film.
Background
The density of the fired artificial graphite is high, the thickness is thin, the problem of air exhaust is avoided, continuous densification can be carried out through a roller press, dense air exhaust holes are formed in the foamed super-thick artificial graphite coiled material after the foamed super-thick artificial graphite coiled material is processed by an upper hole pricking needle and a lower hole pricking needle, and the air exhaust holes can effectively exhaust air in a calendering device, so that the generation of film pressing air bubbles is avoided.
The graphene oxide film is subjected to solution film forming, chemical reduction, low-temperature heat treatment, high-temperature hot pressing and the like by professor and the like to obtain the graphene oxide film, the graphene oxide film is subjected to heat treatment at 5-60MPa, and then is pressed under the pressure of 200-300MPa, and the density of the prepared graphene film is 2-2.2g/cm 3.
With the progress of science and technology, graphene oxide is mostly adopted for dispersing, coating and heat treatment to prepare a graphene foam film at present, the graphene foam film prepared by the process cannot be directly exhausted by adopting the traditional rolling process, and if the upper binding holes and the lower binding holes of the graphite rolls are adopted, the graphene heat-conducting film is damaged.
SUMMERY OF THE UTILITY MODEL
Therefore, an object of the present invention is to provide a continuous processing apparatus for a graphene thermal conductive film, which can satisfy continuous mass production of graphene thermal conductive films and enhance the air permeability of the graphene thermal conductive film.
In order to solve the problems, the utility model provides a graphene heat conducting film continuous processing device which comprises a vacuum cover body, wherein an unwinding device, a winding device and a conveying belt connected between the unwinding device and the winding device in a tensioning mode are arranged in a vacuum space of the vacuum cover body, the conveying belt is placed on a plurality of graphene foam film blocks, the graphene heat conducting film continuous processing device further comprises a first pressing roller and a second pressing roller, the first pressing roller and the second pressing roller are oppositely arranged, a gap is formed between the first pressing roller and the second pressing roller, and the conveying belt penetrates through the gap.
Preferably, the conveying belt is provided with a placing surface for placing the graphene foam membrane block, the surface roughness of the placing surface is Ra, and Ra is less than or equal to 0.4.
Preferably, the conveying belt is made of pressure-resistant metal.
Preferably, the pressure-resistant metal includes one of iron and stainless steel.
Preferably, the vacuum cover body is provided with a vacuum degree monitoring device.
Preferably, the height of the first press roller may be adjusted.
According to the continuous processing device for the graphene heat-conducting film, the unwinding device, the winding device and the conveying belt are arranged in a vacuum environment formed by the vacuum cover body along with the graphene foam film block, the first pressing roller and the second pressing roller which are arranged on the unwinding device, the winding device and the conveying belt, so that the graphene foam film block can be rolled and pressed to reduce the thickness of the graphene foam film block and improve the density of the graphene foam film block, meanwhile, the effective exhaust of the graphene foam film block can be realized by fully utilizing the pressure difference between the vacuum environment and the inside of the graphene foam film block, the needle prick treatment in the prior art is not needed, and the high-density graphene heat-conducting film can be continuously produced by adopting the technical scheme of the utility model while exhausting and reducing the thickness and increasing the density in the rolling process.
Drawings
Fig. 1 is a schematic structural diagram of a continuous processing device for a graphene thermal conductive film according to an embodiment of the present invention.
The reference numerals are represented as:
1. a vacuum cover body; 2. an unwinding device; 3. a winding device; 4. a conveyor belt; 41. placing the noodles; 51. a first press roll; 52. a second press roll; 100. graphene foam membrane blocks.
Detailed Description
Referring to fig. 1, according to an embodiment of the present invention, a graphene thermal conductive film continuous processing apparatus is provided, including a vacuum cover body 1, an unwinding device 2, a winding device 3, and a conveying belt 4 connected between the unwinding device 2 and the winding device 3 in a tensioned manner are disposed in a vacuum space of the vacuum cover body 1, the conveying belt 4 is placed on a plurality of graphene foam film blocks 100, and the apparatus further includes a first pressing roller 51 and a second pressing roller 52, the first pressing roller 51 and the second pressing roller 52 are disposed opposite to each other and form a gap therebetween, and the conveying belt 4 passes through the gap. In the technical scheme, the unwinding device 2, the winding device 3 and the conveyor belt 4 are arranged in a vacuum environment formed by the vacuum cover body 1 along with the graphene foam film block 100, the first press roller 51 and the second press roller 52 which are arranged on the winding device, so that the graphene foam film block 100 can be rolled and pressed to reduce the thickness and improve the density of the graphene foam film block, meanwhile, the effective exhaust of the graphene foam film block 100 can be realized by fully utilizing the pressure difference between the vacuum environment and the inside of the graphene foam film block 100, the needle prick treatment in the prior art is not needed, and the high-density graphene heat-conducting film can be continuously produced by adopting the technical scheme of the utility model while exhausting, reducing the thickness and increasing the density. In addition, according to the arrangement mode, the vacuum cover body 1 does not need to consider the problem that the passing position of the conveying belt 4 needs to be sealed due to the fact that the unreeling device 2 and the reeling device 3 are arranged outside the vacuum cover body 1.
In order to prevent the graphene thermal conductive film from leaving powder residue on the conveying belt 4 after the compression roller pressing is completed, the conveying belt 4 preferably has a placing surface 41 on which the graphene foam film block 100 is placed, and the surface roughness of the placing surface 41 is Ra, and Ra is less than or equal to 0.4. The foregoing surface roughness can be obtained by polishing treatment.
The conveyor belt 4 is preferably made of a pressure-resistant metal, which may include iron, stainless steel, etc., for example, to ensure effective pressing of the graphene foam film block 100. In one embodiment, the conveyor belt 4 is made of a stainless steel belt with a polished surface, so that the production cost of the device can be reduced remarkably.
In some embodiments, the vacuum enclosure 1 has a vacuum degree monitoring device (not shown), such as a vacuum degree detector, to monitor the vacuum degree inside the vacuum enclosure 1, so as to ensure that the vacuum environment can meet the preset requirement.
In order to make the processed object of the continuous processing apparatus more adaptable, it is preferable that the height of the first pressing roll 51 is adjustable, so that the gap between the first pressing roll 51 and the second pressing roll 52 can be adjusted according to the thickness of the processed object, that is, the universality of the apparatus of the present invention is improved. In this technical solution, the gap is adjusted by only adjusting the height of the first press roll 51, so that the gap adjustment process is simplified. The height adjustment of the first pressing roller 51 can be realized by a screw rod adjusting component (not shown in the figure) driven by the first pressing roller, the screw rod adjusting component can comprise a driving motor, the tail end of a driving shaft of the driving motor is connected with a screw rod, a nut is sleeved on the screw rod and fixedly connected with the first pressing roller 51, and therefore when the gap needs to be adjusted, the driving motor is controlled to operate, and the nut is driven to reciprocate along the height direction (the length direction of the screw rod).
The vacuum enclosure 1 is also configured with a corresponding product inlet (not shown) and a corresponding removal port (not shown), although a corresponding service port (not shown) may be provided to enable servicing of the components therein. The vacuum enclosure 1 is preferably made of transparent material or has an observation port (not shown) to allow the operation of the internal components to be observed in time.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (5)
1. The continuous processing device for the graphene heat-conducting film is characterized by comprising a vacuum cover body (1), wherein an unwinding device (2), a winding device (3) and a conveying belt (4) connected between the unwinding device (2) and the winding device (3) in a tensioning mode are arranged in a vacuum space of the vacuum cover body (1), the conveying belt (4) is placed on a plurality of graphene foam film blocks (100), the continuous processing device further comprises a first pressing roller (51) and a second pressing roller (52), the first pressing roller (51) and the second pressing roller (52) are oppositely arranged, a gap is formed between the first pressing roller and the second pressing roller, and the conveying belt (4) penetrates through the gap; the vacuum cover body (1) is provided with a vacuum degree monitoring device.
2. The continuous processing device for the graphene heat-conducting film according to claim 1, wherein the conveyor belt (4) is provided with a placing surface (41) for placing the graphene foam film block (100), and the surface roughness of the placing surface (41) is Ra, and Ra is less than or equal to 0.4.
3. The continuous processing device for graphene heat-conducting films according to claim 1, wherein the conveyor belt (4) is made of pressure-resistant metal.
4. The continuous processing device for graphene heat-conducting films according to claim 3, wherein the pressure-resistant metal comprises one of iron and stainless steel.
5. The continuous graphene thermal conductive film processing apparatus according to claim 1, wherein a height of the first pressing roller (51) is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120564429.9U CN215885801U (en) | 2021-03-18 | 2021-03-18 | Continuous processing device for graphene heat-conducting film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120564429.9U CN215885801U (en) | 2021-03-18 | 2021-03-18 | Continuous processing device for graphene heat-conducting film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215885801U true CN215885801U (en) | 2022-02-22 |
Family
ID=80339966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120564429.9U Active CN215885801U (en) | 2021-03-18 | 2021-03-18 | Continuous processing device for graphene heat-conducting film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215885801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447253A (en) * | 2022-09-30 | 2022-12-09 | 安徽碳华新材料科技有限公司 | A calendering device that is used for wide width artificial graphite height to lead membrane |
-
2021
- 2021-03-18 CN CN202120564429.9U patent/CN215885801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447253A (en) * | 2022-09-30 | 2022-12-09 | 安徽碳华新材料科技有限公司 | A calendering device that is used for wide width artificial graphite height to lead membrane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215885801U (en) | Continuous processing device for graphene heat-conducting film | |
| CN112850697B (en) | Preparation method of high-density graphene heat-conducting film | |
| CN205687223U (en) | Banding object winder | |
| CN216302764U (en) | Cloth rolling equipment is used in dress production | |
| CN107051228B (en) | Method for directly growing ultrathin porous graphene separation membrane | |
| US20220020975A1 (en) | System for preparing electrode having high cycle efficiency, method for preparing electrode having high cycle efficiency, and application thereof | |
| CN104828808B (en) | A kind of preparation method of graphene film | |
| CN213137904U (en) | Cotton former keeps warm | |
| CN106269866A (en) | A kind of metal forming rolling device | |
| CN211566245U (en) | Reduce vacuum press of panel warpage degree | |
| CN209693873U (en) | A kind of automatic set composite for fresh flour | |
| CN216005969U (en) | Special annealing device for rolled copper foil bell-type furnace | |
| US20190118248A1 (en) | Roll press machine | |
| CN111613807B (en) | Rolling equipment for graphite bipolar plate of fuel cell | |
| CN212247173U (en) | Vacuum carburization surface treatment device capable of achieving low-temperature acceleration | |
| CN105646001B (en) | A kind of potsherd high voltage driving IC device | |
| CN212736438U (en) | Cooling device for ceramic tape casting processing | |
| CN1911645A (en) | Wet vein pressing technology of web and its prewetting hot press device | |
| CN205723816U (en) | Hot pressing mechanism | |
| CN113571648A (en) | Device and method for preparing flexible perovskite and all-perovskite laminated solar cell in roll-to-roll mode | |
| CN203728581U (en) | Lithium iron phosphate preparation device | |
| CN105668279A (en) | Rolling and calendering production line of high-heat-conductivity artificial graphite film | |
| Wang et al. | Sintering behaviour and ac conductivity of dense Ce 0.8 Gd 0.2 O 1.9 solid electrolyte prepared employing single-step and two-step sintering process | |
| CN215613724U (en) | Stress relieving device for non-ferrous metal rolled copper strip | |
| CN108103336B (en) | Bi1-xSbxThermoelectric material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |