TWI581876B - Method for manufacturing fan rotor - Google Patents
Method for manufacturing fan rotor Download PDFInfo
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- TWI581876B TWI581876B TW102122017A TW102122017A TWI581876B TW I581876 B TWI581876 B TW I581876B TW 102122017 A TW102122017 A TW 102122017A TW 102122017 A TW102122017 A TW 102122017A TW I581876 B TWI581876 B TW I581876B
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- blade
- hub
- long side
- manufacturing
- fan rotor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/50—Building or constructing in particular ways
- F05D2230/54—Building or constructing in particular ways by sheet metal manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
本發明涉及一種風扇轉子的製造方法。 The invention relates to a method of manufacturing a fan rotor.
當前,隨著電腦產業的迅速發展,微處理晶片等發熱電子元件產生的熱量愈來愈多。為將這些熱量有效散發,現有的方法是在發熱電子元件的表面貼設一具有風扇的散熱裝置,利用該風扇產生的冷卻氣流對該散熱裝置進行強制散熱,從而將發熱電子元件產生的熱量散去。 At present, with the rapid development of the computer industry, heat generated by heat-generating electronic components such as micro-processed wafers is increasing. In order to effectively dissipate the heat, a conventional method is to apply a heat dissipating device with a fan on the surface of the heat-generating electronic component, and use the cooling airflow generated by the fan to forcibly dissipate the heat dissipating device, thereby dissipating heat generated by the heat-generating electronic component. go with.
然,隨著電子產品的輕薄化,為了更為有效地利用空間,傳統的風扇轉子通常具有複雜的形狀,必須要使用塑膠射出成型或是金屬壓鑄成型的方式來製作,如此,要求扇葉的厚度較厚,且模具開模及製造的成本較高,工序較複雜。 However, with the thinning of electronic products, in order to use space more effectively, conventional fan rotors usually have complex shapes and must be fabricated by plastic injection molding or metal die-casting. The thickness is thick, and the cost of mold opening and manufacturing is high, and the process is complicated.
有鑒於此,有必要提供一種易於製造的風扇轉子的製造方法。 In view of the above, it is necessary to provide a method of manufacturing a fan rotor that is easy to manufacture.
一種風扇轉子的製造方法,包括以下步驟:提供一板狀鈑金件;衝壓該鈑金件,衝壓後的鈑金件呈圓盤狀且具有一位於中部的輪轂、一位於周緣的並與該輪轂間隔設置的扇葉部以及連接該輪轂和該扇葉部的多個支撐桿,該扇葉部的週邊被衝壓成多個相互毗鄰的扇葉區,且該多個扇葉區均處在同一平面上,每一扇葉區具有相對的一第一長邊和一第二長邊,另外相對的一第一短邊和一 第二短邊,每一扇葉區的第一短邊靠近該輪轂,且該第二短邊遠離該輪轂,該扇葉區的第二長邊相鄰的另一扇葉區的第一短邊將該扇葉區的第二長邊分割為靠近該輪轂的第一部分和遠離該輪轂的第二部分,每一扇葉區的第一長邊、第一短邊以及第二長邊的第二部分被衝壓切割;將每一扇葉區的末端向垂直於該扇葉區平面的方向捲曲;以及將每一扇葉區沿該第二長邊的第一部分進行折彎。 A method for manufacturing a fan rotor, comprising the steps of: providing a plate-shaped sheet metal member; punching the sheet metal member, the stamped sheet metal member having a disk shape and having a hub at a middle portion, a peripheral portion and spaced from the hub a blade portion and a plurality of support rods connecting the hub and the blade portion, the periphery of the blade portion being stamped into a plurality of mutually adjacent fan blade regions, and the plurality of blade regions are all on the same plane Each leaf zone has a first long side and a second long side, and the opposite first short side and one a second short side, a first short side of each blade area is adjacent to the hub, and the second short side is away from the hub, and the first short side of the second long side of the fan area is short Separating the second long side of the blade region into a first portion adjacent to the hub and a second portion away from the hub, the first long side, the first short side, and the second long side of each leaf area The two portions are stamped and cut; the ends of each of the blade regions are curled in a direction perpendicular to the plane of the blade region; and each of the blade regions is bent along the first portion of the second long side.
一種風扇轉子的製造方法,包括以下步驟:提供一鈑金件,該鈑金件的厚度均勻;衝壓鈑金件,衝壓後的鈑金件具有一位於中部的輪轂、一與該輪轂間隔設置的扇葉部以及連接該輪轂和該扇葉部的多個支撐桿,該輪轂的中心與該扇葉部的中心重合,該扇葉部的週邊被衝壓成多個相互毗鄰的扇葉區,且該多個扇葉區均處在同一平面上,每一扇葉區具有相對的一第一長邊和一第二長邊,以及遠離該輪轂的且連接該第一長邊和第二長邊的一短邊,每一扇葉區的第一長邊以及第二長邊被衝壓切割;將每一扇葉區的末端向垂直於該扇葉區平面的方向捲曲;以及將每一扇葉區沿內端進行扭轉拉伸。 A method for manufacturing a fan rotor includes the steps of: providing a sheet metal member having a uniform thickness; stamping a sheet metal member, the stamped sheet metal member having a centrally located hub, a blade portion spaced from the hub, and Connecting a plurality of support rods of the hub and the blade portion, a center of the hub coincides with a center of the blade portion, and a periphery of the blade portion is stamped into a plurality of mutually adjacent fan blade regions, and the plurality of fans The leaf regions are all on the same plane, each blade region has a first first long side and a second long side, and a short side away from the hub and connecting the first long side and the second long side The first long side and the second long side of each blade area are stamped and cut; the end of each leaf area is curled in a direction perpendicular to the plane of the blade area; and each leaf area is along the inner end Perform a torsional stretching.
本發明藉由對厚度均勻的鈑金件進行衝壓處理得到一定的形狀,再進行扭轉或拉伸的方式形成扇葉,大幅度降低了模具成本及生產成本,並且可大幅度減小材料的厚度,在同樣空間內收容更多的扇葉,提升了風扇的散熱性能。 The invention obtains a certain shape by stamping a sheet metal member with uniform thickness, and then forms a fan blade by twisting or stretching, which greatly reduces the mold cost and the production cost, and can greatly reduce the thickness of the material. Containing more blades in the same space improves the heat dissipation of the fan.
1、1a‧‧‧風扇轉子 1, 1a‧‧‧fan rotor
10、20‧‧‧鈑金件 10, 20‧‧‧ sheet metal parts
11、21‧‧‧輪轂 11, 21‧‧ wheels
12、22‧‧‧扇葉部 12, 22‧‧‧Face
121、221‧‧‧扇葉區 121, 221‧‧‧ fan blade area
122、222‧‧‧第一長邊 122, 222‧‧‧ first long side
123、223‧‧‧第二長邊 123, 223‧‧‧ second long side
1231‧‧‧第一部分 1231‧‧‧Part 1
1232‧‧‧第二部分 1232‧‧‧Part II
124‧‧‧第一短邊 124‧‧‧First short side
125‧‧‧第二短邊 125‧‧‧Second short side
224‧‧‧短邊 224‧‧‧ Short side
13、23‧‧‧支撐桿 13, 23‧‧‧ support rod
圖1是本發明第一實施例的風扇轉子的製造方法中的步驟一的元件示意圖。 BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the steps of a first step in a method of manufacturing a fan rotor according to a first embodiment of the present invention.
圖2是本發明第一實施例的風扇轉子的製造方法中的步驟二的元件示意圖。 Fig. 2 is a schematic view showing the components of the second step in the method of manufacturing the fan rotor according to the first embodiment of the present invention.
圖3是本發明第一實施例的風扇轉子的製造方法中的步驟三的元件示意圖。 Fig. 3 is a schematic view showing the components of the third step in the method of manufacturing the fan rotor according to the first embodiment of the present invention.
圖4是本發明第一實施例的風扇轉子的製造方法中的步驟四的元件示意圖。 4 is a schematic view showing the components of the fourth step in the method of manufacturing the fan rotor according to the first embodiment of the present invention.
圖5是由本發明第一實施例的風扇轉子的製造方法所得到的風扇轉子的立體示意圖。 Fig. 5 is a perspective view showing a fan rotor obtained by a method of manufacturing a fan rotor according to a first embodiment of the present invention.
圖6是本發明第二實施例的風扇轉子的製造方法中的步驟一的元件示意圖。 Fig. 6 is a schematic view showing the components of the first step in the method of manufacturing the fan rotor according to the second embodiment of the present invention.
圖7是本發明第二實施例的風扇轉子的製造方法中的步驟二的元件示意圖。 Fig. 7 is a schematic view showing the components of the second step in the method of manufacturing the fan rotor according to the second embodiment of the present invention.
圖8是本發明第二實施例的風扇轉子的製造方法中的步驟三的元件示意圖。 Fig. 8 is a schematic view showing the components of the third step in the method of manufacturing the fan rotor according to the second embodiment of the present invention.
圖9是本發明第二實施例的風扇轉子的製造方法中的步驟四的元件示意圖。 Fig. 9 is a schematic view showing the components of the fourth step in the method of manufacturing the fan rotor according to the second embodiment of the present invention.
圖10是由本發明第二實施例的風扇轉子的製造方法所得到的風扇轉子的立體示意圖。 Fig. 10 is a perspective view showing a fan rotor obtained by a method of manufacturing a fan rotor according to a second embodiment of the present invention.
下面參照附圖結合實施例對本發明作進一步說明。 The present invention will be further described below in conjunction with the embodiments with reference to the accompanying drawings.
本發明第一實施例提供的風扇轉子1的製造方法包括以下步驟: The manufacturing method of the fan rotor 1 provided by the first embodiment of the present invention includes the following steps:
請參閱圖1,步驟一,提供一鈑金件10,鈑金件10的厚度均勻,且由延展性較好的材料製成,如鋁、銅等。 Referring to FIG. 1, step one, a sheet metal member 10 is provided. The sheet metal member 10 has a uniform thickness and is made of a material having good ductility, such as aluminum or copper.
請參閱圖2,步驟二,衝壓鈑金件10。此時,鈑金件10具有一位於其中部的輪轂11,一與輪轂11間隔設置且呈圓環狀的扇葉部12,以及連接輪轂11和扇葉部12的多個支撐桿13。輪轂11呈圓形,且輪轂11的中心與扇葉部12的中心點重合,其該中心點為點O。扇葉部12的週邊被衝壓成多個相互毗鄰的扇葉區121,且該多個扇葉區121均處在同一平面上。每一扇葉區121具有相對的一第一長邊122和一第二長邊123,另外相對的一第一短邊124和一第二短邊125。每一扇葉區121的第一短邊124靠近輪轂11,且第二短邊125遠離輪轂11。每一扇葉區121的外端相對於內端沿逆時針方向傾斜,且扇葉區121右側相鄰的另一扇葉區121的第一短邊124將該扇葉區121的第二長邊123分割為靠近輪轂11的第一部分1231和遠離輪轂11的第二部分1232。每一扇葉區121的第一長邊122、第一短邊124以及第二長邊123的第二部分1232被衝壓切割。於本實施例中,扇葉部12的內徑為r,每一扇葉區121的形狀相同,且每一扇葉區121的第一長邊122的延長線至中心點O的距離d恒定,且滿足以下關係式:0<d<r。 Please refer to Figure 2, Step 2, stamping the sheet metal part 10. At this time, the sheet metal member 10 has a hub 11 at the center thereof, a blade portion 12 which is spaced apart from the hub 11 and has an annular shape, and a plurality of support bars 13 which connect the hub 11 and the blade portion 12. The hub 11 has a circular shape, and the center of the hub 11 coincides with the center point of the blade portion 12, and the center point is a point O. The periphery of the blade portion 12 is stamped into a plurality of mutually adjacent blade regions 121, and the plurality of blade regions 121 are all on the same plane. Each of the blade regions 121 has a first long side 122 and a second long side 123, and a first short side 124 and a second short side 125. The first short side 124 of each blade region 121 is adjacent to the hub 11 and the second short side 125 is remote from the hub 11. The outer end of each blade region 121 is inclined in a counterclockwise direction with respect to the inner end, and the first short side 124 of the other blade region 121 adjacent to the right side of the blade region 121 has the second length of the blade region 121 The edge 123 is divided into a first portion 1231 adjacent to the hub 11 and a second portion 1232 remote from the hub 11. The first long side 122, the first short side 124, and the second portion 1232 of the second long side 123 of each blade area 121 are stamped and cut. In the present embodiment, the inner diameter of the blade portion 12 is r, the shape of each blade region 121 is the same, and the distance d from the extension line of the first long side 122 of each blade region 121 to the center point O is constant. And satisfy the following relationship: 0 < d < r.
請參閱圖3,步驟三,將每一扇葉區121的末端向垂直於扇葉區121平面的方向捲曲成預定形狀。 Referring to FIG. 3, step three, the end of each blade region 121 is curled into a predetermined shape in a direction perpendicular to the plane of the blade region 121.
請參閱圖4,步驟四,將每一扇葉區121沿其第二長邊123的第一部分1231進行折彎。於本實施例中,折彎時旋轉的角度為90度。 Referring to FIG. 4, step four, each blade region 121 is bent along the first portion 1231 of the second long side 123 thereof. In the present embodiment, the angle of rotation at the time of bending is 90 degrees.
本發明第二實施例提供的風扇轉子1a的製造方法如下: The manufacturing method of the fan rotor 1a according to the second embodiment of the present invention is as follows:
請參閱圖5,步驟一,提供一鈑金件20,鈑金件20的厚度均勻,且由延展性較好的材料製成,如鋁、銅等。 Referring to FIG. 5, in step 1, a sheet metal member 20 is provided. The sheet metal member 20 has a uniform thickness and is made of a material having good ductility, such as aluminum or copper.
請參閱圖6,步驟二,衝壓鈑金件20。此時,鈑金件20具有一位於其中部的輪轂21,一與輪轂21間隔設置且呈圓環狀的扇葉部22,以及連接輪轂21和扇葉部22的多個支撐桿23。輪轂21呈圓形,且輪轂21的中心與扇葉部22的中心點重合,其該中心點為點O’。扇葉部22的週邊被衝壓成多個相互毗鄰的扇葉區221,且該多個扇葉區221均處在同一平面上。每一扇葉區221具有相對的一第一長邊222和一第二長邊223,以及遠離輪轂21的且連接第一長邊222和第二長邊223的一短邊224。每一扇葉區221的外端相對於內端沿逆時針方向傾斜。每一扇葉區221的第一長邊2222以及第二長邊2232被衝壓切割。於本實施例中,扇葉部12的內徑為r,每一扇葉區221的形狀相同,且每一扇葉區221的第一長邊222的延長線至中心點O’的距離d恒定,且滿足以下關係式:0<d<r。 Referring to Figure 6, step two, stamping the sheet metal member 20. At this time, the sheet metal member 20 has a hub 21 at the center thereof, a blade portion 22 which is spaced apart from the hub 21 and has an annular shape, and a plurality of support bars 23 which connect the hub 21 and the blade portion 22. The hub 21 has a circular shape, and the center of the hub 21 coincides with the center point of the blade portion 22, and the center point is a point O'. The periphery of the blade portion 22 is stamped into a plurality of mutually adjacent blade regions 221, and the plurality of blade regions 221 are all on the same plane. Each of the blade regions 221 has a first long side 222 and a second long side 223 , and a short side 224 away from the hub 21 and connecting the first long side 222 and the second long side 223 . The outer end of each blade region 221 is inclined in a counterclockwise direction with respect to the inner end. The first long side 2222 and the second long side 2232 of each blade area 221 are stamped and cut. In the present embodiment, the inner diameter of the blade portion 12 is r, the shape of each blade region 221 is the same, and the distance from the extension line of the first long side 222 of each blade region 221 to the center point O' is d. Constant, and satisfy the following relationship: 0 < d < r.
請參閱圖7,步驟三,將每一扇葉區221的末端向垂直於扇葉區221平面的方向捲曲成預定形狀。 Referring to FIG. 7, step three, the end of each blade region 221 is curled into a predetermined shape in a direction perpendicular to the plane of the blade region 221 .
請參閱圖8,步驟四,將每一扇葉區221沿其內端進行扭轉拉伸。於本實施例中,扭轉時旋轉的角度為90度。 Referring to Figure 8, step four, each blade region 221 is torsionally stretched along its inner end. In the present embodiment, the angle of rotation when twisted is 90 degrees.
本發明藉由對厚度均勻的鈑金件進行衝壓處理得到所需的形狀,再進行扭轉或拉伸的方式形成扇葉,大幅度降低了模具成本及生產成本,並且可大幅度減小材料的厚度,在同樣空間內收容更多的扇葉,提升了風扇的散熱性能。 The invention forms the desired shape by stamping the sheet metal member with uniform thickness, and then forming the fan blade by twisting or stretching, which greatly reduces the mold cost and the production cost, and can greatly reduce the thickness of the material. It accommodates more fan blades in the same space and improves the heat dissipation performance of the fan.
應該指出,上述實施例僅為本發明的較佳實施方式,本領域技術 人員還可在本發明精神內做其他變化。這些依據本發明精神所做的變化,都應包含在本發明所要求保護的範圍之內。 It should be noted that the above embodiments are only preferred embodiments of the present invention, and the technology in the field Personnel may also make other changes within the spirit of the invention. All changes made in accordance with the spirit of the invention are intended to be included within the scope of the invention.
1‧‧‧風扇轉子 1‧‧‧Fan rotor
121‧‧‧扇葉區 121‧‧‧Fanye District
1231‧‧‧第一部分 1231‧‧‧Part 1
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TW102122017A TWI581876B (en) | 2013-06-20 | 2013-06-20 | Method for manufacturing fan rotor |
US13/963,400 US20140373355A1 (en) | 2013-06-20 | 2013-08-09 | Method for manufacturing fan rotor |
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TW102122017A TWI581876B (en) | 2013-06-20 | 2013-06-20 | Method for manufacturing fan rotor |
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CN106141048A (en) * | 2015-04-09 | 2016-11-23 | 讯凯国际股份有限公司 | The manufacture method of axial flow impeller |
TWI597109B (en) * | 2016-10-25 | 2017-09-01 | 廣達電腦股份有限公司 | Fan structure and manufacturing method thereof |
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US20140373355A1 (en) | 2014-12-25 |
TW201500130A (en) | 2015-01-01 |
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