TW201303254A - Method for manufacturing fin-type heat sink - Google Patents
Method for manufacturing fin-type heat sink Download PDFInfo
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- TW201303254A TW201303254A TW100124700A TW100124700A TW201303254A TW 201303254 A TW201303254 A TW 201303254A TW 100124700 A TW100124700 A TW 100124700A TW 100124700 A TW100124700 A TW 100124700A TW 201303254 A TW201303254 A TW 201303254A
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title abstract description 17
- 230000017525 heat dissipation Effects 0.000 claims description 32
- 230000000750 progressive effect Effects 0.000 claims description 13
- 238000004080 punching Methods 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
Description
本發明係一種鰭片式散熱器的加工方法，尤指一種應用於散熱器所屬技術領域者。The present invention relates to a method for processing a finned heat sink, and more particularly to a technical field to which the heat sink belongs.
隨著技術的發展，電子產品的尺寸越來越小，相應地單位空間的發熱量愈來愈大更大，這對散熱提出了更高的要求，散熱器已成為一些電子產品必備的配件。With the development of technology, the size of electronic products is getting smaller and smaller, and accordingly, the heat generated per unit space is getting larger and larger, which puts higher requirements on heat dissipation, and the radiator has become an essential accessory for some electronic products.
常用的散熱器主要是由一底座與多個具有傳熱散熱作用的鰭片組組成，鰭片組包括多個層疊排列的鰭片，散熱器還可以設置熱管以增強散熱效果。The commonly used heat sink is mainly composed of a base and a plurality of fin groups having heat transfer and heat dissipation effects. The fin set includes a plurality of stacked fins, and the heat sink can also be provided with a heat pipe to enhance the heat dissipation effect.
鰭片與底座的接觸面積大小、連接是否牢固是影響散熱器散熱效率的重要因素，將鰭片與底座連接是散熱器生產過程中的一個關鍵步驟。一種常用的方法是：將鰭片與底座通過焊接連接，其必須以錫膏或其他焊接劑作為焊接的媒介，根據鰭片與底座的材質，有些還需要進行鍍鎳處理，如中國發明專利申請號第“200410003352.9”案，發明名稱為“散熱器的焊接製備方法”，即公開了一種通過焊接連接鰭片與底座的方法。The contact area between the fin and the base and the tight connection are important factors affecting the heat dissipation efficiency of the heat sink. Connecting the fin to the base is a key step in the production process of the heat sink. A common method is to connect the fins to the base by soldering, which must be soldered with solder paste or other soldering agent. According to the material of the fins and the base, some nickel plating needs to be applied, such as Chinese invention patent application. No. "200410003352.9", the invention name is "welding preparation method of the radiator", that is, a method of connecting the fin and the base by welding is disclosed.
使用上述焊接的方法，技術複雜、成本較高，並且生產效率低，對環境不友好，因此另一種常用的方法是：改進底座、鰭片的結構，將鰭片通過嵌設或鉚接等機械連接的方式連接底座。例如：中國實用新型專利號第“03279661.7”案，專利名稱為“散熱座結構”，及中國實用新型專利號“200620063119.4”案，專利名稱為“散熱器鰭片與底座的組合改良”等，該專利使用的方法具體為：將各單獨的鰭片逐片置入預設有溝槽的底座，使用模具擠壓溝槽從而使溝槽變形，使鰭片的片狀根部能與變形後的溝槽形成過盈配合，從而使鰭片固定連接底座。該過程不僅加工溝槽比較麻煩，而且由於鰭片間的間隙很小，使得模具擠壓溝槽的工序加工不便、耗時較長、次品率高，因此雖然該方法相對上述焊接而成的散熱器具有一定的優點，但依然有工序較多、加工不便、成本較高的缺點，並且鰭片的片狀根部與底座的接觸面積有限，影響傳熱效率。The above welding method is complicated in technology, high in cost, low in production efficiency, and unfriendly to the environment. Therefore, another common method is to improve the structure of the base and the fin, and mechanically connect the fins by embedding or riveting. The way to connect the base. For example: the Chinese utility model patent number "03279661.7" case, the patent name is "heat sink structure", and the Chinese utility model patent number "200620063119.4" case, the patent name is "the combination improvement of the radiator fin and the base", etc. The method used in the patent is specifically: placing individual fins into a base pre-grooveed one by one, and using a die to squeeze the groove to deform the groove, so that the sheet-like root of the fin can be deformed and grooved. The slots form an interference fit that secures the fins to the base. This process is not only troublesome in processing the groove, but also because the gap between the fins is small, the process of pressing the groove of the mold is inconvenient, time consuming, and the defective rate is high, so the method is welded to the above. The heat sink has certain advantages, but it still has the disadvantages of more processes, inconvenient processing, and high cost, and the contact area of the sheet-like root of the fin and the base is limited, which affects heat transfer efficiency.
＜發明動機＞<invention motivation>
本發明有鑑於習知散熱器加工便利性差及使用成本高之問題，乃完成一種鰭片式散熱器的加工方法。The invention solves the problems of poor processing convenience and high use cost of the conventional heat sink, and completes a processing method of the fin type heat sink.
＜發明目的＞<Invention purpose>
本發明之主要目的就是針對現有技術存在的不足而提供一種鰭片式散熱器的加工方法，該加工過程可通過模具完成，加工速度快，散熱鰭片與底座組裝方便，極大地提高了生產效率，降低了生產成本。The main object of the present invention is to provide a method for processing a fin-type heat sink according to the deficiencies of the prior art, which can be completed by a mold, has a high processing speed, and is convenient for assembling the heat-dissipating fins and the base, thereby greatly improving production efficiency. , reducing production costs.
為了實現上述目的，本發明採用的技術方案是：一種鰭片式散熱器的加工方法，其包括以下步驟：In order to achieve the above object, the technical solution adopted by the present invention is: a method for processing a finned heat sink, comprising the following steps:
1）製備底座：該底座用於連接散熱鰭片的散熱端面設置有凸出的卡接件，該卡接件沿平行於散熱端面的直線延伸；1) preparing a base: the heat dissipation end surface of the base for connecting the heat dissipation fins is provided with a protruding snap member, and the clip member extends along a straight line parallel to the heat dissipation end surface;
2）衝壓散熱鰭片：通過衝壓模具製備散熱鰭片，該散熱鰭片根部衝壓成型有底部開口的卡槽，該卡槽用於與所述底座的卡接件卡接。2) Stamping heat-dissipating fins: The heat-dissipating fins are prepared by stamping a mold, and the root of the heat-dissipating fins is stamped and formed with a card slot with a bottom opening, and the card slot is used for engaging with the snap-fit of the base.
3）組裝：將多個散熱鰭片依次通過卡槽與所述卡接件卡接。3) Assembling: a plurality of heat dissipating fins are sequentially engaged with the card through the card slot.
所述衝壓模具為級進模，將製備好的底座設置在所述級進模的下模內，所述卡接件的延伸方向與衝床的衝壓方向一致，所述級進模將衝壓成型的散熱鰭片向下衝壓，使散熱鰭片通過所述卡槽套接所述卡接件。The stamping die is a progressive die, and the prepared base is disposed in the lower die of the progressive die, the extending direction of the engaging component is consistent with the punching direction of the punching machine, and the progressive die is stamped and formed. The heat dissipation fins are punched downward, so that the heat dissipation fins are sleeved through the card slot.
所述鰭片式散熱器包括熱管，所述熱管為“U”形，將熱管與製備好的底座一起設置在所述級進模的下模內，所述熱管的一端豎直，通過衝床使所述散熱鰭片與熱管套接。The fin-type heat sink includes a heat pipe having a "U" shape, and a heat pipe is disposed together with the prepared base in a lower die of the progressive die, one end of the heat pipe is vertical, and is punched by a punch The heat dissipation fin is sleeved with the heat pipe.
所述底座通過擠出工藝、鑄造或切削加工成型。The base is formed by an extrusion process, casting or cutting.
所述卡接件與底座一體成型。The clip is integrally formed with the base.
所述卡接件與底座可分離，所述底座設置有凹槽，所述卡接件根部通過凹槽連接底座。The clip is detachable from the base, the base is provided with a groove, and the root of the clip is connected to the base through a groove.
所述卡槽衝壓成型有卡箍，卡箍與所述卡接件緊密配合。The card slot is stamped and formed with a clamp, and the clamp is closely matched with the clip.
所述散熱鰭片與熱管套接部位衝壓成型有扣接片，扣接片與熱管套接。The heat dissipating fin and the heat pipe sleeve are stamped and formed with a fastening piece, and the fastening piece is sleeved with the heat pipe.
所述散熱鰭片衝壓有折彎部。The heat dissipation fin is stamped with a bent portion.
本發明有益效果在於加工過程可通過模具完成，加工速度快，散熱鰭片與底座組裝方便，不需要將散熱鰭片與底座進行焊接，相比現有技術，本發明克服了技術偏見，可以大幅減少工序，降低了生產成本，提高了生產效率。The invention has the beneficial effects that the processing can be completed by the mold, the processing speed is fast, the heat dissipation fins and the base are assembled conveniently, and the heat dissipation fins and the base are not required to be welded. Compared with the prior art, the invention overcomes the technical prejudice and can be greatly reduced. The process reduces production costs and increases production efficiency.
為使 貴審查委員能進一步瞭解本發明之結構，特徵及其他目的，玆以如后之較佳實施例附以圖式詳細說明如后，惟本圖例所說明之實施例係供說明之用，並非為專利申請上之唯一限制者。The structure, features and other objects of the present invention will be further described in the following detailed description of the preferred embodiments of the present invention. It is not the only restriction on patent applications.
本發明的一種鰭片式散熱器的加工方法，包括以下步驟：A method for processing a finned heat sink of the present invention comprises the following steps:
1）製備底座（１）：該底座用於連接散熱鰭片（２）的散熱端面設置有凸出的卡接件（１１），該卡接件（１１）沿平行於散熱端面的直線延伸；1) preparing a base (1): the base is used for connecting the heat radiating fins (2), and the heat radiating end surface is provided with a protruding engaging member (11), and the engaging member (11) extends along a straight line parallel to the heat radiating end surface;
2）衝壓散熱鰭片（２）：通過衝壓模具製備散熱鰭片（２），該散熱鰭片（２）根部衝壓成型有底部開口的卡槽（２１），該卡槽（２１）用於與所述底座（１）的卡接件（１１）卡接；2) stamping fins (2): heat-dissipating fins (2) are prepared by stamping dies, and the fins (2) are stamped and formed with a card slot (21) having an open bottom, and the card slot (21) is used for The clip (11) of the base (1) is snapped;
3）組裝：將多個散熱鰭片（２）依次通過卡槽（２１）與所述卡接件（１１）卡接。3) Assembly: A plurality of heat dissipation fins (2) are sequentially engaged with the card member (11) through the card slot (21).
更優地，如第一圖所示，可以將上述步驟2與步驟3在同一個工位完成，具體地，衝壓模具為級進模（５），將製備好的底座（１）設置在所述級進模（５）的下模內，卡接件（１１）的延伸方向與衝床的衝壓方向一致，級進模（５）將衝壓成型的散熱鰭片（２）向下衝壓，使散熱鰭片（２）通過卡槽（２１）套接卡接件（１１）。More preferably, as shown in the first figure, the above steps 2 and 3 can be completed at the same station. Specifically, the stamping die is a progressive die (5), and the prepared base (1) is placed in the same position. In the lower mold of the progressive die (5), the extending direction of the engaging member (11) is consistent with the punching direction of the punching machine, and the progressive die (5) punches the stamped heat radiating fins (2) downward to dissipate heat. The fin (2) sleeves the clip (11) through the card slot (21).
現有技術中對於散熱鰭片（２）與底座（１）的連接主要為兩個方法，一種方法中散熱鰭片（２）需要通過焊接的方式連接底座（１），該過程需要對焊接部進行鍍鎳處理，焊接過程需要使用錫膏，並且焊接工藝複雜，難以保證品質，而對於另一種方法，其在底座（１）上設置多道溝槽，將溝槽擠壓變形後連接散熱鰭片（２），該過程加工不便使得生產效率較低。本發明通過對散熱鰭片（２）衝壓成型有卡槽（２１），底座（１）設置有卡接件（１１），沿卡接件（１１）的延伸方向將散熱鰭片（２）卡接在底座（１）上即可完成散熱器的組裝，該組裝過程非常簡便，並可以進一步通過衝壓模具完成，本發明克服了技術偏見，使用本發明的方法可以使加工鰭片式散熱器時大幅減少工序，降低生產成本，提高生產效率。In the prior art, the connection between the heat dissipation fins (2) and the base (1) is mainly two methods. In one method, the heat dissipation fins (2) need to be connected to the base (1) by welding, and the process needs to be performed on the welded portion. Nickel plating treatment, solder paste process requires solder paste, and the welding process is complicated, it is difficult to guarantee the quality. For another method, it is provided with multiple grooves on the base (1), and the groove is pressed and deformed to connect the heat dissipation fins. (2) The inconvenience of the process makes the production efficiency low. The invention has a card slot (21) formed by stamping the heat dissipation fins (2), the base (1) is provided with a snap member (11), and the heat dissipation fins (2) are stuck along the extending direction of the clip member (11). The assembly of the heat sink can be completed by connecting the base (1). The assembly process is very simple and can be further completed by a stamping die. The present invention overcomes the technical prejudice, and the method of the invention can be used to process the finned heat sink. Significantly reduce processes, reduce production costs, and increase production efficiency.
進一步地，如第四圖所示，鰭片式散熱器包括熱管（４），所述熱管（４）為“U”形，將熱管（４）與製備好的底座（１）一起設置在級進模（５）的下模內，熱管（４）的一端豎直，通過衝床使散熱鰭片（２）與熱管（４）套接。Further, as shown in the fourth figure, the finned heat sink includes a heat pipe (4) having a "U" shape, and the heat pipe (4) is disposed at the level together with the prepared base (1). In the lower mold of the progressive die (5), one end of the heat pipe (4) is vertical, and the heat radiating fins (2) are sleeved with the heat pipe (4) through a punching machine.
對於本發明的卡槽（２１），其作用是使散熱鰭片（２）卡接底座（１），可以有多種實施方式，第二圖所示僅為最佳的實施方式，對卡槽（２１）的形狀要求是：卡槽（２１）為至少兩個，不同卡槽（２１）形成一定的夾角，使卡槽（２１）可以卡接卡接件（１１），或者卡槽（２１）為至少一個，其包括相互連通的卡接槽、連接槽，連接槽靠近底座（１），卡接槽的最大寬度大於所述連接槽的最小寬度。For the card slot (21) of the present invention, the function is to make the heat dissipation fins (2) snap into the base (1), and there are various embodiments. The second figure shows only the best embodiment, and the card slot ( 21) The shape requirement is: the card slot (21) is at least two, and the different card slots (21) form a certain angle, so that the card slot (21) can be engaged with the card connector (11), or the card slot (21) At least one of the two includes a latching slot and a connecting slot that communicate with each other. The connecting slot is adjacent to the base (1), and the maximum width of the latching slot is greater than the minimum width of the connecting slot.
底座（１）可以通過擠出技術、鑄造、切削加工或其他機械加工方法加工成型。The base (1) can be formed by extrusion techniques, casting, cutting or other machining methods.
在本實施方式中，如第三圖所示，卡接件（１１）與底座（１）可以通過上述方式一體成型。也可以將卡接件（１１）與底座（１）設置為可分離，底座（１）設置有凹槽，卡接件（１１）根部通過凹槽連接底座（１），這樣可以方便地更換底座（１），使本發明的加工方法便於生產多種規格的散熱器。In the present embodiment, as shown in the third figure, the engaging member (11) and the base (1) can be integrally molded in the above manner. The clip (11) and the base (1) can also be detached, the base (1) is provided with a groove, and the root of the clip (11) is connected to the base (1) through the groove, so that the base can be easily replaced. (1) The processing method of the present invention facilitates the production of heat sinks of various specifications.
進一步地，卡槽（２１）衝壓成型有卡箍（２２），卡箍（２２）與所述卡接件（１１）緊密配合，卡箍（２２）的高度等於或小於相鄰散熱鰭片（２）的距離，卡箍（２２）可以增加底座（１）與散熱鰭片（２）的接觸面積，既可以使兩者連接更牢固，也增加了傳熱面積，增強了散熱。Further, the card slot (21) is stamped and formed with a clip (22), and the clip (22) is closely matched with the clip member (11), and the height of the clip (22) is equal to or smaller than the adjacent heat sink fin ( 2) The distance between the clamp (22) and the contact area of the base (1) and the heat dissipation fins (2) can make the connection between the two more secure, increase the heat transfer area, and enhance heat dissipation.
散熱鰭片（２）與熱管（４）套接部位衝壓成型有扣接片（２４），扣接片（２４）與熱管（４）套接。為了增強熱管（４）散熱，散熱鰭片（２）與熱管（４）連接處成型有與熱管（４）套接的扣接片（２４），該扣接片（２４）與卡箍（２２）類似，也可以起到固定和增強散熱的作用。The heat sink fin (2) and the heat pipe (4) are stamped and formed with a fastening piece (24), and the fastening piece (24) is sleeved with the heat pipe (4). In order to enhance the heat dissipation of the heat pipe (4), a fastening piece (24) that is sleeved with the heat pipe (4) is formed at the junction of the heat dissipation fin (2) and the heat pipe (4), and the fastening piece (24) and the clamp (22) ) Similarly, it can also play a role in fixing and enhancing heat dissipation.
為了控制散熱鰭片（２）之間的距離，散熱鰭片（２）衝壓有折彎部（２３），如第二圖所示，該彎折部（２３）的折彎寬度等於相鄰散熱鰭片（２）的距離。In order to control the distance between the heat dissipation fins (2), the heat dissipation fins (2) are stamped with a bent portion (23). As shown in the second figure, the bending width of the bending portion (23) is equal to the adjacent heat dissipation. The distance of the fins (2).
如第五圖所示為以本發明的方法加工的一種鰭片式散熱器，多個散熱鰭片（２）疊加成散熱鰭片組（３）。As shown in the fifth figure, a finned heat sink processed by the method of the present invention has a plurality of fins (2) stacked to form a fin group (3).
需要說明的是，採用本發明的方法加工的鰭片式散熱器可以為多種結構，如第六圖、第七圖所示的一種鰭片式散熱器，其也可以通過本發明的方法制得，該鰭片式散熱器與上述實施例所加工的產品不同點在於：設置有一個較大的卡槽（２１）、三個較小的卡槽（２１），由於設置有多個卡槽（２１），使得散熱鰭片（２）與底座（１）的接觸面積更大，有利於增強散熱。It should be noted that the finned heat sink processed by the method of the present invention can have various structures, such as a finned heat sink shown in FIG. 6 and FIG. 7 , which can also be obtained by the method of the present invention. The finned heat sink differs from the product processed in the above embodiment in that a large card slot (21) and three smaller card slots (21) are provided, since a plurality of card slots are provided ( 21), the contact area of the heat dissipation fin (2) and the base (1) is larger, which is advantageous for enhancing heat dissipation.
綜上所述，本發明確實可達到上述諸項功能及目的，故本創作應符合專利申請要件，爰依法提出申請。In summary, the present invention can indeed achieve the above functions and purposes, so the creation should meet the requirements of the patent application, and apply in accordance with the law.
(1)．．．底座(1). . . Base
(11)．．．卡接件(11). . . Card connector
(2)．．．散熱鰭片(2). . . Heat sink fin
(21)．．．卡槽(twenty one). . . Card slot
(22)．．．卡箍(twenty two). . . Clamp
(23)．．．彎折部(twenty three). . . Bending section
(24)．．．扣接片(twenty four). . . Fastener
(3)．．．散熱鰭片組(3). . . Heat sink fin set
(4)．．．熱管(4). . . Heat pipe
(5)．．．級進模(5). . . Progressive mode
第一圖係本發明的鰭片式散熱器衝壓過程的結構示意圖。The first figure is a schematic structural view of a finned heat sink stamping process of the present invention.
第二圖係本發明的鰭片式散熱器最佳實施例的結構示意圖。The second figure is a schematic structural view of a preferred embodiment of the finned heat sink of the present invention.
第三圖係本發明的鰭片式散熱器底座的最佳實施例的結構示意圖。The third figure is a schematic structural view of a preferred embodiment of the finned heat sink base of the present invention.
第四圖係本發明的散熱器組裝過程示意圖。The fourth figure is a schematic diagram of the assembly process of the heat sink of the present invention.
第五圖係本發明的加工的散熱器組裝後的結構示意圖。The fifth figure is a schematic structural view of the processed heat sink of the present invention after assembly.
第六圖係本發明的加工的散熱器另一實施例的結構示意圖。Figure 6 is a schematic view showing the structure of another embodiment of the processed heat sink of the present invention.
第七圖係第六圖的散熱器的分解示意圖。The seventh figure is an exploded view of the heat sink of the sixth figure.
(1)．．．底座(1). . . Base
(2)．．．散熱鰭片(2). . . Heat sink fin
(4)．．．熱管(4). . . Heat pipe
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100124700A TW201303254A (en) | 2011-07-13 | 2011-07-13 | Method for manufacturing fin-type heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100124700A TW201303254A (en) | 2011-07-13 | 2011-07-13 | Method for manufacturing fin-type heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201303254A true TW201303254A (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW100124700A TW201303254A (en) | 2011-07-13 | 2011-07-13 | Method for manufacturing fin-type heat sink |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TW201303254A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099402A (en) * | 2018-09-26 | 2018-12-28 | 中山市领群光电科技有限公司 | A kind of fin connection structure of effective increasing heat radiation area and preparation method thereof |
-
2011
- 2011-07-13 TW TW100124700A patent/TW201303254A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099402A (en) * | 2018-09-26 | 2018-12-28 | 中山市领群光电科技有限公司 | A kind of fin connection structure of effective increasing heat radiation area and preparation method thereof |
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