CN210792317U - Hot-press type composite heat dissipation plate - Google Patents
Hot-press type composite heat dissipation plate Download PDFInfo
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- CN210792317U CN210792317U CN201921278474.7U CN201921278474U CN210792317U CN 210792317 U CN210792317 U CN 210792317U CN 201921278474 U CN201921278474 U CN 201921278474U CN 210792317 U CN210792317 U CN 210792317U
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Abstract
The utility model discloses a hot-pressing composite heat dissipation plate, which comprises a first aluminum substrate and a second aluminum substrate; a plurality of hot pressing parts are formed on the first aluminum substrate, and arch parts are formed on the peripheries of the plurality of hot pressing parts; the second aluminum substrate is flat, the first aluminum substrate is overlapped on the second aluminum substrate, the plurality of hot pressing parts and the second aluminum substrate are fixed together through hot pressing and welding of a hot pressing die, and pipelines capable of filling refrigerant are formed between the arch parts and the second aluminum substrate. Make first aluminium base board and the aluminium base board of second directly fuse together through the mode that adopts the hot pressing, form the pipeline after the butt fusion, need not to use the solder welding, its simple structure, the preparation is easy, the production operation environmental protection, production efficiency is higher, and the cost is also lower to the sealing performance of butt fusion is better, is worth using widely.
Description
Technical Field
The utility model belongs to the technical field of the heating panel technique and specifically relates to indicate a compound heating panel of hot pressing formula.
Background
In order to improve the heat dissipation efficiency, the existing heat dissipation plates are all of a composite structure, and are usually combined by two plates, and after the two plates are combined, a refrigerant is filled in a pipeline formed between the two plates to improve the heat dissipation efficiency.
In the prior art, the manufacturing method of the composite heat dissipation plate mainly has two types: the first mode is the production method of the composite aluminum plate of the roll-bond evaporator disclosed in the Chinese invention patent 201210210336.1, which is completed by the working procedures of roughening, printing graphite, hot rolling, blowing and the like in sequence, and the mode has complex process, needs to use auxiliary materials such as graphite and the like, has high cost and is not beneficial to batch production; the second method is the heat superconducting heat dissipation plate disclosed in chinese utility model patent 201720778647.6, which uses a solder layer to weld the first plate and the second plate together, and this method is not environment-friendly due to the use of solder, and the sealing performance is difficult to ensure due to the welding method. Therefore, there is a need to develop a solution to the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to the defects existing in the prior art, and a main object of the present invention is to provide a hot-press type composite heat sink, which has the characteristics of simple structure, easy manufacturing, low cost, and good sealing performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hot-press composite heat dissipation plate comprises a first aluminum substrate and a second aluminum substrate; a plurality of hot pressing parts are formed on the first aluminum substrate, and arch parts are formed on the peripheries of the plurality of hot pressing parts; the second aluminum substrate is flat, the first aluminum substrate is overlapped on the second aluminum substrate, the plurality of hot pressing parts and the second aluminum substrate are fixed together through hot pressing and welding of a hot pressing die, and pipelines capable of filling refrigerant are formed between the arch parts and the second aluminum substrate.
Preferably, a heat transfer medium is disposed in the conduit.
As a preferable scheme, the heat-conducting medium is a steel mesh, an aluminum mesh or metal powder.
Preferably, the arch part and the hot-pressing part are formed by stamping with a stamping die or hot-pressing with a hot-pressing die.
A hot-press composite heat dissipation plate comprises a first aluminum substrate and a second aluminum substrate; a plurality of first heat pressing parts are formed on the first aluminum substrate, and first arch parts are formed on the peripheries of the plurality of first heat pressing parts; the second aluminum substrate is provided with a plurality of second heat pressing parts, the periphery of the second heat pressing parts is provided with a second arch part, the first aluminum substrate is overlapped on the second aluminum substrate, the first heat pressing parts and the second heat pressing parts are fixed together through hot-pressing welding of a hot-pressing die, and a pipeline capable of filling refrigerant is formed between the first arch part and the second arch part.
Preferably, a heat transfer medium is disposed in the conduit.
As a preferable scheme, the heat-conducting medium is a steel mesh, an aluminum mesh or metal powder.
Preferably, the first arching portion and the first hot-pressing portion are formed by stamping with a stamping die or hot-pressing with a hot-pressing die.
Preferably, the second raised portion and the second hot-pressing portion are formed by stamping with a stamping die or hot-pressing with a hot-pressing die.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
make first aluminium base board and the aluminium base board of second directly fuse together through the mode that adopts the hot pressing, form the pipeline after the butt fusion, need not to use the solder welding, its simple structure, the preparation is easy, the production operation environmental protection, production efficiency is higher, and the cost is also lower to the sealing performance of butt fusion is better, is worth using widely.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of a first preferred embodiment of the present invention after forming;
FIG. 2 is an exploded view of the first preferred embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of the upper and lower dies after they are assembled in accordance with the first preferred embodiment of the present invention;
FIG. 4 is an exploded view of a second preferred embodiment of the present invention;
FIG. 5 is a partial cross-sectional view of the upper mold and the lower mold after they are assembled according to the second preferred embodiment of the present invention.
The attached drawings indicate the following:
10. first aluminum substrate 11 and hot-pressing section
12. Arching portion 13, first hot pressing portion
14. First arching portion 101, pipeline
102. The pipe 20 and the second aluminum substrate
21. Second hot-pressing part 22 and second arching part
30. Hot pressing die 31 and upper die
311. Upper punch 32, lower die
321. A lower punch 40, a heat transfer medium.
Detailed Description
Referring to fig. 1 to 3, a specific structure of a first preferred embodiment of the present invention is shown, which includes a first aluminum substrate 10 and a second aluminum substrate 20.
A plurality of hot pressing parts 11 are formed on the first aluminum substrate 10, and an arch part 12 is formed on the periphery of the plurality of hot pressing parts 11; the second aluminum substrate 20 is flat plate-shaped, the first aluminum substrate 10 is stacked on the second aluminum substrate 20, the plurality of heat pressing portions 11 and the second aluminum substrate 20 are fixed by heat pressing and welding with a heat pressing mold 30, and refrigerant-chargeable ducts 101 are formed between the arch portions 12 and the second aluminum substrate 20.
In the present embodiment, the raised portion 12 and the hot-pressed portion 11 are formed by pressing with a press die or hot-pressing with a hot-pressing die 30. In addition, a heat conducting medium 40 is disposed in the pipe 101, and the heat conducting medium 40 is a steel mesh, an aluminum mesh, or metal powder, etc., without limitation, so as to increase a capillary structure and improve heat conducting efficiency.
During manufacturing, the present embodiment has two modes:
the first method is as follows: firstly, a first aluminum substrate 10 is stamped by a stamping die to form a plurality of hot-pressed portions 11 and arch portions 12, then the first aluminum substrate 10, a second aluminum substrate 20 and the hot-pressing die 30 are heated and preheated to make the temperatures of the first aluminum substrate 10 and the second aluminum substrate 20 reach a welding state, then the first aluminum substrate 10 and the second aluminum substrate 20 are overlapped together and placed in the hot-pressing die 30 for hot pressing, an upper die 31 and a lower die 32 are closed, so that an upper punch 311 of the upper die 31 is abutted against the hot-pressed portions 11, and the hot-pressing portions 11 and the second aluminum substrate 20 are welded and fixed together.
The second method is as follows: firstly, taking two flat first aluminum substrate 10 and second aluminum substrate 20, heating and preheating the first aluminum substrate 10, second aluminum substrate 20 and hot pressing mold 30 to make the temperature of the first aluminum substrate 10 and second aluminum substrate 20 reach a welding state, then, stacking the first aluminum substrate 10 and second aluminum substrate 20 together and putting them into the hot pressing mold 30 for hot pressing, closing the upper mold 31 and the lower mold 32, pressing the upper punch 311 of the upper mold 31 against the first aluminum substrate 10 to form the hot pressing part 11, welding and fixing the hot pressing part 11 and the second aluminum substrate 20 together, extruding the periphery of the hot pressing part 11 to form the arch part 12, and forming the pipeline 101 between the arch part 12 and the second aluminum substrate 20.
Referring to fig. 4 and 5, a second preferred embodiment of the present invention is shown, which includes a first aluminum substrate 10 and a second aluminum substrate 20.
A plurality of first heat pressing parts 13 are formed on the first aluminum substrate 10, and a first arch part 14 is formed on the periphery of the plurality of first heat pressing parts 13; the second aluminum substrate 20 is formed with a plurality of second heat pressing portions 21, the plurality of second heat pressing portions 21 are formed with second raised portions 22 on the outer periphery thereof, the first aluminum substrate 10 is laminated on the second aluminum substrate 20, the plurality of first heat pressing portions 13 and the plurality of second heat pressing portions 21 are fixed by thermocompression bonding with a thermocompression mold 30, and refrigerant-chargeable ducts 102 are formed between the first raised portions 14 and the second raised portions 22.
In the present embodiment, the first raised part 14 and the first hot-pressed part 13 are formed by stamping with a stamping die or hot-pressing with a hot-pressing die 30, and the second raised part 22 and the second hot-pressed part 21 are formed by stamping with a stamping die or hot-pressing with a hot-pressing die 30. In addition, a heat conducting medium 40 is disposed in the pipe 102, and the heat conducting medium 40 is a steel mesh, an aluminum mesh, or metal powder, etc., without limitation, to increase a capillary structure and improve heat conducting efficiency.
During manufacturing, the present embodiment has two modes:
the first method is as follows: firstly, a first aluminum substrate 10 and a second aluminum substrate 20 are stamped by a stamping die, so that a plurality of first heat pressing portions 13 and first arching portions 14 are formed on the first aluminum substrate 10, a plurality of second heat pressing portions 21 and second arching portions 22 are formed on the second aluminum substrate 20, then the first aluminum substrate 10, the second aluminum substrate 20 and the hot-pressing die 30 are preheated to make the temperatures of the first aluminum substrate 10 and the second aluminum substrate 20 reach a welding state, then the first aluminum substrate 10 and the second aluminum substrate 20 are overlapped together and placed into the hot-pressing die 30 for hot pressing, an upper die 31 and a lower die 32 are assembled, so that an upper punch 311 of the upper die 31 abuts against the first heat pressing portions 13, a lower punch 321 of the lower die 32 abuts against the second heat pressing portions 21, and the first heat pressing portions 13 and the second heat pressing portions 21 are welded and fixed together.
The second method is as follows: first, a first aluminum substrate 10 and a second aluminum substrate 20 are taken out in two flat plate shapes, the first aluminum substrate 10, the second aluminum substrate 20 and a hot pressing mold 30 are preheated to make the temperature of the first aluminum substrate 10 and the second aluminum substrate 20 reach a welding state, then, the first aluminum substrate 10 and the second aluminum substrate 20 are stacked together and placed in a hot-pressing mold 30 for hot-pressing, the upper mold 31 and the lower mold 32 are closed, the upper punch 311 of the upper mold 31 abuts against the first aluminum substrate 10 to form a first hot-pressing portion 13, the lower punch 321 of the lower mold 32 abuts against the second aluminum substrate 20 to form a second hot-pressing portion 21, the first hot-pressing portion 13 and the second hot-pressing portion 21 are welded and fixed together, the periphery of the first hot pressing portion 13 is pressed to extend to form a first arching portion 14, the periphery of the second hot pressing portion 21 is pressed to extend to form a second arching portion 22, and a duct 102 is formed between the first arching portion 14 and the second arching portion 22.
The utility model discloses a design focus lies in: make first aluminium base board and the aluminium base board of second directly fuse together through the mode that adopts the hot pressing, form the pipeline after the butt fusion, need not to use the solder welding, its simple structure, the preparation is easy, the production operation environmental protection, production efficiency is higher, and the cost is also lower to the sealing performance of butt fusion is better, is worth using widely.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a compound heating panel of hot pressing formula which characterized in that: comprises a first aluminum substrate and a second aluminum substrate; a plurality of hot pressing parts are formed on the first aluminum substrate, and arch parts are formed on the peripheries of the plurality of hot pressing parts; the second aluminum substrate is flat, the first aluminum substrate is overlapped on the second aluminum substrate, the plurality of hot pressing parts and the second aluminum substrate are fixed together through hot pressing and welding of a hot pressing die, and pipelines capable of filling refrigerant are formed between the arch parts and the second aluminum substrate.
2. A thermocompression composite thermal panel according to claim 1, wherein: the pipeline is provided with a heat-conducting medium.
3. A thermocompression composite thermal panel according to claim 2, wherein: the heat-conducting medium is steel mesh, aluminum mesh or metal powder.
4. A thermocompression composite thermal panel according to claim 1, wherein: the arch part and the hot pressing part are formed by stamping of a stamping die or hot pressing of a hot pressing die.
5. The utility model provides a compound heating panel of hot pressing formula which characterized in that: comprises a first aluminum substrate and a second aluminum substrate; a plurality of first heat pressing parts are formed on the first aluminum substrate, and first arch parts are formed on the peripheries of the plurality of first heat pressing parts; the second aluminum substrate is provided with a plurality of second heat pressing parts, the periphery of the second heat pressing parts is provided with a second arch part, the first aluminum substrate is overlapped on the second aluminum substrate, the first heat pressing parts and the second heat pressing parts are fixed together through hot-pressing welding of a hot-pressing die, and a pipeline capable of filling refrigerant is formed between the first arch part and the second arch part.
6. A thermocompression composite thermal panel according to claim 5, wherein: the pipeline is provided with a heat-conducting medium.
7. A thermocompression composite thermal panel according to claim 6, wherein: the heat-conducting medium is steel mesh, aluminum mesh or metal powder.
8. A thermocompression composite thermal panel according to claim 5, wherein: the first arch part and the first hot pressing part are formed by stamping of a stamping die or hot pressing of a hot pressing die.
9. A thermocompression composite thermal panel according to claim 5, wherein: the second arch part and the second hot pressing part are formed by stamping of a stamping die or hot pressing of a hot pressing die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921278474.7U CN210792317U (en) | 2019-08-08 | 2019-08-08 | Hot-press type composite heat dissipation plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921278474.7U CN210792317U (en) | 2019-08-08 | 2019-08-08 | Hot-press type composite heat dissipation plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210792317U true CN210792317U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921278474.7U Active CN210792317U (en) | 2019-08-08 | 2019-08-08 | Hot-press type composite heat dissipation plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210792317U (en) |
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2019
- 2019-08-08 CN CN201921278474.7U patent/CN210792317U/en active Active
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Address after: 518000 101, 201, 301, building B, No. 31-1 Taihe Road, central community, Pingdi street, Longgang District, Shenzhen, Guangdong Patentee after: Guangdong Zongxin Electronic Technology Co.,Ltd. Address before: 523000 building 63, Yi'an industrial city, Yantian village, Fenggang town, Dongguan City, Guangdong Province Patentee before: DONGGUAN ZONGXIN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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