CN219514470U - Abnormal shape graphite fin and processingequipment thereof - Google Patents

Abstract

The utility model discloses a special-shaped graphite radiating fin and a processing device thereof. The processing device comprises a stirrer, a homogenizer, a defoamer and a material injection device, wherein a discharge port of the stirrer is connected with a feed port of the homogenizer, the discharge port of the homogenizer is connected with the feed port of the defoamer through a hose, the discharge port of the defoamer is connected with the material injection device through a hose, and the stirrer, the homogenizer and the defoamer are all connected with a vacuum pump. According to the utility model, the thick graphene slurry is injected into the shaping mold, so that the integrated shaping of the special-shaped cooling fin is realized in the graphitizing furnace, and the graphite film filling the internal space of the electronic component is designed by utilizing the uneven thickness space inside the electronic component, so that the heat flux is improved, and the effect of rapid heat conduction is achieved.

Description

Abnormal shape graphite fin and processingequipment thereof

Technical Field

The utility model relates to the technical field of graphite sheet heat dissipation, in particular to a special-shaped graphite heat dissipation sheet and a processing device thereof.

Background

The mobile phone is used as communication equipment commonly used in daily life of people, and becomes an indispensable tool for people due to multiple advantages of portability, entertainment and the like, and after the mobile phone is used for a long time, the temperature of the mobile phone rises and the phenomenon of scalding the mobile phone occurs. The common heat dissipation mode of the mobile phone is to paste heat conduction silicone grease or a heat dissipation membrane on the mobile phone, wherein the heat dissipation membrane is generally a graphite sheet, a copper sheet or a composite structure of the graphite sheet and the copper sheet, and the like. When the graphite sheet is used as the radiating diaphragm, the graphite sheet and the double faced adhesive tape are attached together and then are adhered to a radiating area of the mobile phone. Under the same conditions of the graphite film, the thicker the thickness is, the more heat passes through, the better the heat dissipation is, the more and more electronic components with high power are in the prior art, the generated heat is larger and larger, the performance of required heat dissipation materials is higher and higher, and the internal space of the prior electronic product is very compact and ultrathin, so that the heat cannot be rapidly dissipated.

Disclosure of Invention

According to the technical problems to be solved, the special-shaped graphite radiating fin and the processing device thereof are provided.

In order to achieve the above purpose, the utility model discloses a special-shaped graphite radiating fin which comprises a radiating fin body, wherein a special-shaped radiating fin is arranged on one surface of the radiating fin body, the surface of the special-shaped radiating fin is attached to a heating source, the radiating fin body is attached to a non-heating source, and the thickness of the special-shaped radiating fin is matched with the depth of the heating source structure.

The utility model provides a abnormal shape graphite fin processingequipment, processingequipment includes agitator, homogenizer, defoaming ware and annotates the material device, the discharge gate of agitator is connected the feed inlet of homogenizer, the discharge gate of homogenizer passes through the hose connection the feed inlet of defoaming ware, the discharge gate of defoaming ware passes through the hose connection annotate the material device, agitator, homogenizer and defoaming ware all are connected with the vacuum pump.

Further, the stirrer comprises a sealing end cover, stirring barrels and stirring heads, wherein the stirring heads are distributed in a staggered mode and are rotationally fixed on the inner side of the sealing end cover, the top of each stirring head is connected with a stirring motor through a rotating shaft, and two ends of the bottom of the sealing end cover are connected with hydraulic lifting rods.

Still further, the stirring head sets up two sets of at least, and the stirring head outside is provided with scrapes the flitch.

Furthermore, the inner side of the homogenizer is provided with an inverted conical cavity, a spiral blade is rotatably arranged in the cavity, and the bottom of the spiral blade is connected with a rotating motor.

Still further, the defoamer includes staving and bung, install the vacuum negative pressure table on the bung, the check valve is installed to vacuum negative pressure table both sides, the bung is fixed on the staving through the sealing rubber circle all around.

Still further, annotate the material device and include reposition of redundant personnel pipeline and design mould, reposition of redundant personnel pipeline bottom is provided with the feed opening that corresponds with design mould position, install pneumatic ball valve on the feed opening.

Further, the mold core structure of the shaping mold is matched with the radiating fin body.

Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a special-shaped graphite radiating fin and a processing device thereof.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

Fig. 1 is a schematic structural view of a graphite fin processing apparatus of the present utility model.

Fig. 2 is a schematic diagram of a graphite heat sink according to the present utility model.

In the figure: 1 is a radiating fin body; 11 is a special-shaped radiating fin; 2 is a stirrer; 21 is a sealing end cover; 22 is a stirring barrel; 23 is a hydraulic lifting rod; 24 is a stirring motor; 25 is a stirring head; 251 is a scraping plate; 3 is a homogenizer; 31 is a helical blade; 32 is a rotating electrical machine; 4 is a defoamer; 41 is a barrel body; 42 is a barrel cover; 43 is a sealing rubber ring; 44 is a vacuum gauge; 45 is a one-way valve; 5 is a material injection device; 51 is a shunt pipeline; 52 is a pneumatic ball valve; 53 is a feed opening; 54 is a shaping mold; and 6 is a vacuum pump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

According to the special-shaped graphite radiating fin machining device, as shown in fig. 1, the special-shaped graphite radiating fin machining device comprises a stirrer 2, a homogenizer 3, a foam killer 4 and a material injection device 5, wherein a discharge hole of the stirrer 2 is connected with a feed hole of the homogenizer 3, a discharge hole of the homogenizer 3 is connected with a feed hole of the foam killer 4 through a hose 6, a discharge hole of the foam killer 4 is connected with the material injection device 5 through the hose 6, the stirrer 2, the homogenizer 3 and the foam killer 4 are all connected with a vacuum pump 7, the stirrer 2 uniformly stirs graphene slurry, the stirred graphene slurry enters the homogenizer 3 to be uniformly dispersed, the foam killer 4 eliminates bubbles in the graphene slurry, the quality of products is improved, the graphene slurry is injected into a shaping mold 54 through the material injection device 5, the mold is finally transported into a graphitizing furnace for high-order sintering, and a sintered finished product is compacted through a hydraulic press to obtain a final graphite radiating fin finished product.

The stirrer 2 comprises a sealing end cover 21, stirring barrels 22 and stirring heads 25, wherein the stirring heads 25 are distributed in a staggered mode and are rotationally fixed on the inner side of the sealing end cover 21, stirring motors 24 are connected to the tops of the stirring heads 25 through rotating shafts, the stirring heads 22 are driven by the stirring motors to rotate for stirring, hydraulic lifting rods 23 are connected to two ends of the bottom of the sealing end cover 21, the hydraulic lifting rods 23 control the lifting of the sealing end cover 21, when the sealing end cover 21 is located at the highest position, the stirring is carried out in the stirring barrels 22, and when the sealing end cover 21 is located at the lowest position, the stirring is carried out in a sealing connection with the stirring barrels 22, so that material splashing is prevented.

As a preferred embodiment of the utility model, the stirrer 2 adopts a double-planetary stirrer structure, so that thick graphene slurry can be uniformly stirred, two groups of stirring heads 25 are arranged, and scraping plates 251 are arranged on the outer sides of the stirring heads 25 and used for scraping residual graphene slurry attached to the inner wall of the stirring barrel, so that raw material waste is avoided.

The inboard of homogenizer 3 is provided with the back taper cavity, and the intracavity rotates and is provided with helical blade 31, and helical blade 31 bottom is connected with rotating electrical machines 32, and rotating electrical machines 32 drive helical blade 31 rotation, and the feeding of graphite alkene thick liquids is accelerated to toper cavity and helical blade 32, prevents that thick liquids from causing the feed gap to block up.

The defoamer 4 comprises a barrel 41 and a barrel cover 42, wherein a vacuum negative pressure meter 44 is arranged on the barrel cover 42, one-way valves 45 are arranged on two sides of the vacuum negative pressure meter 44, the periphery of the barrel cover 42 is fixed on the barrel 41 through a sealing rubber ring 43, the volume of internal bubbles of graphene slurry can be rapidly increased under a vacuum environment, the received buoyancy is relatively large, and the surface of the slurry is floated and simultaneously broken.

The material injection device 5 comprises a diversion pipeline 51 and a shaping die 54, a blanking opening 53 corresponding to the shaping die 54 is arranged at the bottom of the diversion pipeline 51, a pneumatic ball valve 52 is arranged on the blanking opening 53, and the injection amount of graphene slurry is quantitatively controlled through the pneumatic ball valve 52 to finish die filling.

The mold core structure of the shaping mold 54 is matched with the cooling fin body 1, the mold core is determined according to the internal structure of the electronic component, and corresponding mold structures are designed for different products, so that the application range of the products is increased.

The utility model relates to a special-shaped graphite radiating fin, which comprises a radiating fin body 1, wherein a special-shaped radiating fin 11 is arranged on one surface of the radiating fin body 1, a heating source is attached to the surface of the special-shaped radiating fin 11, a non-heating source is attached to the radiating fin body 1, the thickness of the special-shaped radiating fin 11 is matched with the structural depth of the heating source, and as a preferred implementation mode of the special-shaped radiating fin, the special-shaped radiating fin 11 adopts a cross-shaped structure, the thickness of the special-shaped radiating fin 11 is 0.2mm, the thickness of the radiating fin body is 0.1mm, and the cross-shaped structure of the special-shaped radiating fin 11 is attached to the heating source of an electronic product, so that the radiating effect is improved.

The points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed; second, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The above examples are merely illustrative of the present utility model and are not meant to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.

Claims (8)

1. The utility model provides a heterotypic graphite fin, includes fin body (1), its characterized in that, the one side of fin body (1) is provided with heterotypic fin (11), the laminating of heterotypic fin (11) surface heating source, the laminating of fin body (1) is not heating source, heterotypic fin (11) thickness and heating source structure degree of depth assorted.

2. The utility model provides a heterotypic graphite fin processingequipment, includes a heterotypic graphite fin of claim 1, its characterized in that, processingequipment includes agitator (2), homogenizer (3), foam breaker (4) and annotates material device (5), the discharge gate of agitator (2) is connected the feed inlet of homogenizer (3), the discharge gate of homogenizer (3) is passed through hose (6) and is connected the feed inlet of foam breaker (4), the discharge gate of foam breaker (4) is passed through hose (6) and is connected annotate material device (5), agitator (2), homogenizer (3) and foam breaker (4) all are connected with vacuum pump (7).

3. The special-shaped graphite cooling fin machining device according to claim 2, wherein the stirrer (2) comprises a sealing end cover (21), stirring barrels (22) and stirring heads (25), the stirring heads (25) are distributed in a staggered mode and are rotationally fixed on the inner side of the sealing end cover (21), the top of the stirring heads (25) is connected with a stirring motor (24) through a rotating shaft, and two ends of the bottom of the sealing end cover (21) are connected with hydraulic lifting rods (23).

4. A special-shaped graphite cooling fin processing device according to claim 3, wherein at least two groups of stirring heads (25) are arranged, and scraping plates (251) are arranged on the outer sides of the stirring heads (25).

5. A special-shaped graphite cooling fin processing device according to claim 2, wherein an inverted conical cavity is arranged on the inner side of the homogenizer (3), a spiral blade (31) is rotatably arranged in the cavity, and a rotating motor (32) is connected to the bottom of the spiral blade (31).

6. The special-shaped graphite radiating fin machining device according to claim 2, wherein the defoamer (4) comprises a barrel body (41) and a barrel cover (42), a vacuum negative pressure gauge (44) is arranged on the barrel cover (42), one-way valves (45) are arranged on two sides of the vacuum negative pressure gauge (44), and the periphery of the barrel cover (42) is fixed on the barrel body (41) through a sealing rubber ring (43).

7. A special-shaped graphite cooling fin machining device according to claim 2, wherein the material injection device (5) comprises a diversion pipeline (51) and a shaping die (54), a blanking opening (53) corresponding to the shaping die (54) is formed in the bottom of the diversion pipeline (51), and a pneumatic ball valve (52) is mounted on the blanking opening (53).

8. A profiled graphite fin working machine according to claim 7, wherein the mould core structure of the shaping mould (54) is matched to the fin body (1).