CN104033419A - Fan wheel manufacturing method - Google Patents
Fan wheel manufacturing method Download PDFInfo
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- CN104033419A CN104033419A CN201310069134.4A CN201310069134A CN104033419A CN 104033419 A CN104033419 A CN 104033419A CN 201310069134 A CN201310069134 A CN 201310069134A CN 104033419 A CN104033419 A CN 104033419A
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- impeller
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- making method
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Abstract
A fan wheel manufacturing method is applicable to a micro radiating fan to solve the problem that the existing fan wheel is poor in structure strength, small in fan blade number and the like. The fan wheel manufacturing method includes punching a metal plate to form a metal fan blade blank with a blade body and at least one connection piece; bending the connection piece to enable the connection piece to be bent relative to the blade body to form a metal fan blade; arranging a plurality of metal fan blades in a circle to form a connection ring in the shape of a continuous ring through the connection pieces to obtain a fan wheel body, and forming a prefabricating area at the center of the fan wheel body; injecting plastic to wrap one end of each blade body of the plurality of metal fan blades to enable the plastic and the end portions of the blades to be in embedding fit, and forming a hub on the prefabricating area of the fan wheel body.
Description
Technical field
The invention relates to a kind of impeller making method; Especially in regard to a kind of impeller making method that is applicable to Minitype radiating fan.
Background technique
Tradition impeller is made mainly with plastic jetting forming mode, be coated with wheel hub and number plastic cement blade to borrow plastic cement to penetrate one, but the plastic cement while ejaculation for fear of traditional plastic cement flows and the Characteristics of Thermal deformation of plastic cement itself, really there is some difficulty at the microminiaturized blade of making, even and if after impeller shaping, structural strength between several blades and its wheel hub of this impeller, but still by industry is caused anxiety, is consequently directly restricted via the made impeller of plastic jetting forming, cannot be that all types of fans are used all the time.
Therefore,, with regard to being applicable at present the impeller of Minitype radiating fan, major part is that selection is in the majority with metal stamping forming mode.Announce I292014 Patent Case as TaiWan, China, disclose a kind of super thin fan; Wherein, the impeller 9 of this super thin fan is by metal sheet integrated punching, to form ring flat-plate 91 and to be surrounded on several flabellums 92 around of this ring flat-plate 91 and to make, and make through metal stamping this count flabellum 92 and can be bent moulding one aerofoil.
But, by the be shaped method of this impeller 9 of metal stamping, can one-body moldedly be that the quantity of flabellum 92 is relatively less because being limited by metal sheet institute, and in the time that this impeller 9 is applicable to super thin fan, often for fear of the deficiency of these flabellum 92 quantity, so that air quantity, blast that this impeller 9 can be exported are all undesirable, therefore make existing super thin fan then cannot reach the effect of preferred drive air-flow.
And for example TaiWan, China is announced M376655 Patent Case, it discloses another kind of Combined impeller structure 8, it first forms respectively a wheel hub 81 and number blade 82 by metal stamping forming mode, helps at least one docking portion 821 that forms in these blade 82 inner circumference edges to connect these wheel hubs 81 to relend; And this Placement is existing chimeric, clamping, interlocking, compel to connect, grafting etc.
But, form blade 82 by metal stamping, again this at least one blade 82 is connected in to the mode of wheel hub 81, often easily because the adhesive strength between each blade 82 and this wheel hub 81 is not good, and this counts blade 82 does not more have to supply the member of support each other, therefore while making this existing Combined impeller structure 8 be used in general radiation fan, will be because of structural strength deficiency, and cause the generation of Rotation Noise, and have influence on the normal operation of this radiation fan.
Because above-mentioned factor, the present invention provides one to be different from existing impeller making method, and goes for especially Minitype radiating fan, to solve variety of issue as above.
Summary of the invention
Main purpose of the present invention is to improve the problems referred to above, and so that a kind of impeller making method to be provided, it can promote the combining structure intensity between wheel hub and number flabellum, and then is applicable to Minitype radiating fan, to avoid Rotation Noise to produce.
The present invention's time object is that a kind of impeller making method is provided, and it can body plan and arranges out more metal blade, and then is applicable to Minitype radiating fan, to promote wind dispelling performance.
For reaching aforementioned goal of the invention, impeller making method of the present invention, comprises: punching press one metal sheet, has a metal blade idiosome of a blade body and at least one link to be shaped; Bend this link, so that relative this blade body of this link is bending, and form a metal blade; By several these metal blades around, make this count metal blade and respectively jointly enclose by its link the connecting ring that is continuous annular, go out an impeller body with body plan, and form a predefined region in this impeller body center; And with coated this respectively this blade body one end of counting metal blade of plastic injection, make plastics and this blade body end tabling, and form a wheel hub in the predefined region of this impeller body.
Wherein, in the coated process of this plastic injection, be injected plastic in this predefined region, plastics are flowed in the embedding part that this blade body one end forms, and after the cooling solid of plastics, with the end tabling of this blade body.
Wherein, this blade body punching have one end of this embedding part be in stamping process relatively this blade body form bending.
Wherein, this link is two connecting sheets that are relative, and in this Sheet Metal Forming, this two connecting sheet extends towards the same side bending of this blade body.
Wherein, this link is two connecting sheets that are relative, and in this Sheet Metal Forming, this two connecting sheet extends towards the opposition side bending of this blade body.
Wherein, in this Sheet Metal Forming, one end that this blade body is not provided with this embedding part is also formed with an auxiliary air inducing portion.
Wherein, this link is formed with one first connecting part and one second connecting part that match, and wherein the first connecting part of a metal blade is to be interlockingly connected with the second connecting part of adjacent metal flabellum.
Wherein, the slotted eye that this first connecting part forms through punching, the fastener that this second connecting part forms through punching.
Wherein, in the coated process of plastic injection, the coated central shaft that is formed with of this wheel hub central authorities one.
Wherein, in the coated process of plastic injection, be that a permanent magnet and an envelope magnet ring ring are overlying on to this wheel hub inner circle wall, and make this envelope magnet ring between this permanent magnet and this wheel hub.
Wherein, in the coated process of plastic injection, be first an envelope magnet ring ring to be overlying on to this wheel hub inner circle wall, then assemble a permanent magnet, make this envelope magnet ring can be between between this permanent magnet and this wheel hub.
Brief description of the drawings
Fig. 1 is the fan wheel structure schematic diagram that existing metal stamping is made.
Fig. 2 is the impeller decomposing schematic representation that existing metal stamping is made.
Fig. 3 a～3b is the making flow chart one of impeller making method of the present invention.
Fig. 3 c～3e is the metal blade schematic diagram of the different aspects of the present invention.
Fig. 4 is the making flowchart 2 of impeller making method of the present invention.
Fig. 5 is the making flow chart 3 of impeller making method of the present invention.
Fig. 6 is the generalized section of the present invention along the 6-6 direction of Fig. 5.
Wherein:
1 metal sheet 2 metal blade idiosomes
2 ', 2 ' ', 2 ' ' ', 2 ' ' ' ' metal blade
21 blade body 211 embedding parts
22 link 221 first connecting parts
222 second connecting part 23 auxiliary air inducing portions
3 impeller body 4 wheel hub 41 central shafts
42 permanent magnet 43 envelope magnet rings
S connecting ring A predefined region
﹝ Xian You ﹞
9 impeller 91 ring flat-plate 92 flabellums
8 Combined impeller structures
81 wheel hub 82 blade 821 end-to-end joint parts.
Embodiment
For above-mentioned and other object of the present invention, feature and advantage can be become apparent, preferred embodiment of the present invention cited below particularly, and coordinate accompanying drawing, be described in detail below:
Impeller making method of the present invention is can select sequentially to complete in on-line operation, can be applicable to the impeller of micro-shape fan Hot-air fan with output, and its making step is as follows:
Please read Fig. 3 a, 3b, first step is punching press one metal sheet 1, to have a metal blade idiosome 2 of a blade body 21 and at least one link 22 to be shaped; In detail, the present embodiment can first go out the metal blade idiosome 2 as Fig. 3 a to this metal sheet 1 punching by predetermined facility, this link 22 of this metal blade idiosome 2 can be two connecting sheets that are relative as drawing, this link 22 that is two relative connecting sheets forms in relative two lateral margins of this blade body 21, and can be as shown in the figure relative or be and be misplaced (after appearance, illustrating) according to the default profile difference of this metal blade idiosome 2.Wherein, these blade body 21 one end are also formed with an embedding part 211, and this embedding part 211 can be the various structures for plastics build-ins, and the present embodiment is preferably and is depicted as a perforation that is penetration state as drawing; This link 22 is also formed with one first connecting part 221 and one second connecting part 222 again, this first connecting part 221 is preferably the slotted eye forming through punching, and the better bending place that is just positioned at, this first connecting part 221 that makes this link 22, the better fastener for forming through punching in this second connecting part 222.
From the above, the kenel of this first connecting part 221 and this second connecting part 222 is replaceable, can be the configuration of mutual coupling, and the appearance profile of this metal blade idiosome 2 and this embedding part 211, this first connecting part 221, this second connecting part 222 can be looked operation procedure in actual line and select a drawing, Huo Jing bis-road program drawings respectively, this is that those skilled in the art can understand, repeat no more, also do not limit the punching order of this metal blade idiosome 2 and this embedding part 211, this first connecting part 221, this second connecting part 222.
Read in detail again Fig. 3 b, 3c, when this metal blade idiosome 2 is through drawing and after this metal sheet 1 departs from certainly, then bend this link 22, so that relative this blade body 21 of this link 22 is bending, and form a metal blade 2 '; In detail, the present embodiment can be by this link 22 that is again stamped into two relative connecting sheets, to cause this two connecting sheet (being drawing label 22) to extend towards the same side (being upside or the downside of drawing) bending of this blade body 21 as shown in Figure 3 b, and form this metal blade 2 '; Or, also can again be stamped into this link 22 of two relative connecting sheets, to cause this two connecting sheet (being drawing label 22) to extend towards opposition side (being the upper and lower side of the drawing) bending of this blade body 21 as shown in Figure 3 c, and form this metal blade 2 ' '.In this simultaneously, these blade body 21 punching have one end of this embedding part 211 also to can be punching press and relatively this blade body 21 be bending, to carry out follow-up operation.
And based on aforementioned concepts, impeller making method of the present invention also can be in the time of this first step of operation, and default have differently contoured metal blade idiosome, and via the metal blade that forms different aspects after two times punch.For example, be can be as shown in Figure 3 d, cause respectively this blade body 21 also can be formed with in the lump an auxiliary air inducing portion 23 in stamping process, and after two times punch, form this metal blade 2 ' of aspect as shown in drawing ' '; Or two connecting sheets that also can form as shown in 3e figure under aforementioned same concept are this metal blade 2 ' that is misplaced aspect ' ' '.Below only technological concept is identical, and those skilled in the art should can be made into the metal blade of different aspects, holds and does not repeat one by one.
The first step that continues is formed with after several these metal blades 2 ', continuous as Fig. 4, second step be by several these metal blades 2 ' around, and be preferably so that wherein the first connecting part 221 of a metal blade 2 ' and the second connecting part 222 of adjacent metal flabellum 2 ' are interlockingly connected, make this count metal blade 2 ' and respectively jointly enclose by its link 22 the connecting ring S that is continuous annular, go out an impeller body 3 with body plan, and form a predefined region A in these impeller body 3 central authorities; In detail, the present embodiment is by the slotted eye (being the first connecting part 221 of drawing) of the fastener of one metal blade 2 ' (being the second connecting part 222 of drawing) snapping adjacent metal flabellum 2 ', be the upper and lower connecting sheet of the present embodiment to borrow this respectively this link 22(that counts metal blade 2 ') continued circling is the each tool one connecting ring S of connecting ring S(side as upper and lower in drawing of continuous shape), and there is one end circle of this embedding part 211 around forming this predefined region A, to form this impeller body 3 that is ring type structure as drawing at this point according to 21 punching of this blade body simultaneously.And this circular row of counting metal blade 2 ' can be arranged or adopt manual type by facility automation and carry out.
After this second step is formed with this impeller body 3, for another example Fig. 5, third step is with coated these respectively these blade body 21 one end of counting metal blade 2 ' of a plastic injection, makes the end tabling of plastics and this blade body 21, and forms a wheel hub 4 in the predefined region A of these impeller body 3 central authorities; In detail, the present embodiment is by plastic rubber ejaculate molding mode, with injected plastic in this predefined region A, plastics are flowed in this embedding part 211 for perforation that these blade body 21 one end form, and after the cooling solid of plastics as shown in Figure 6 with the end tabling of this blade body 21, to produce this wheel hub 4 with regard to coated this metal blade 2 ' of this one, thereby complete the making of impeller of the present invention.
Hold as shown in Figure 5,6 also can the one coated central shaft 41 that is formed with of these wheel hub 4 central authorities; Or, more additionally via various combinations by these central shaft 41 body plans in these wheel hub 4 central authorities, do not need to limit in this.Again and, in more can the plastic injection coated process of impeller making method of the present invention, a permanent magnet 42 and envelope magnet ring 43 rings are overlying on to this wheel hub 4 inner circle walls, and make this envelope magnet ring 43 can be between this permanent magnet 42 and this wheel hub 4; Or also can, in the coated process of plastic injection, first these envelope magnet ring 43 rings be overlying on to this wheel hub 4 inner circle walls, then assemble this permanent magnet 42, so that this envelope magnet ring 43 can be between this permanent magnet 42 and this wheel hub 4; Above, this permanent magnet 42 is related domain conventional techniques means with the assembled formation mode of this envelope magnet ring 43, holds and does not also repeat and do not limit.
To sum up say, the technical characteristics of impeller making method of the present invention is: form this metal blade idiosome 2 with blade body 21 and at least one link 22 by metal stamping formed mode, with borrow this link 22 can stamping process relatively this blade body 21 bend, and continuously shaped go out this metal blade 2 '; And continue and utilize the mutual snapping of each link 22 of wantonly two adjacent metal blades 2 ', to make this respectively this link 22 of counting metal blade 2 ' can be around the connecting ring S that is continuous shape, and then body plan goes out to be this impeller body 3 of ring-like aspect; Final again by the mode of plastic rubber ejaculate molding, making plastics can insert this predefined region A and take advantage of a situation flows in this embedding part 211 for perforation of this blade body 21 one end institutes punching, can one be coated the end of this blade body 21 after plastics are cooling, and form the impeller with these impeller body 3 tablings by this wheel hub 4.
So, impeller making method of the present invention not only can be joined with the each link 22 between each adjacent metal flabellum 2 ', and guarantees that this counts the combination stability of metal blade 2 '; And more can utilize plastic cement to penetrate one Overmolded mode simultaneously and promote wheel hub 4 and the combining structure intensity forming between several metal blades 2 ' of this impeller body 3, and then can be in the time being applicable to Minitype radiating fan, reach effect of avoiding Rotation Noise generation.In addition, impeller making method of the present invention can also be arranged out this impeller body 3 by the made metal blade 2 ' of metal stamping, to promote whereby the blade quantity of this impeller body 3 and the unlikely tradition that is limited to directly by the made impeller person of metal sheet punching press, be applicable to Minitype radiating fan, further to reach the effect that promotes wind dispelling performance at this point.
Although the present invention has utilized above-mentioned preferred embodiment to disclose; so it is not in order to limit the present invention; anyly have the knack of this skill person within not departing from the spirit and scope of the present invention; above-described embodiment carries out various changes and revises still belonging to the technology category that the present invention protects relatively, and therefore protection scope of the present invention is when being as the criterion depending on the claim person of defining.
Claims (12)
1. an impeller making method, is characterized in that, comprising:
Metal sheet of punching press, has a metal blade idiosome of a blade body and at least one link to be shaped;
Bend this link, so that relative this blade body of this link is bending, and form a metal blade;
By several metal blades around, make described several metal blade jointly enclose by its link the connecting ring that is continuous annular separately, go out an impeller body with body plan, and form a predefined region in this impeller body center; And
With each blade body one end of the coated described several metal blades of plastic injection, make plastics and this blade body end tabling, and form a wheel hub in the predefined region of this impeller body.
2. impeller making method as claimed in claim 1, is characterized in that, in the coated process of this plastic injection, injected plastic is in this predefined region, plastics are flowed in the embedding part that this blade body one end forms, and after the cooling solid of plastics, with the end tabling of this blade body.
3. impeller making method as claimed in claim 2, is characterized in that, this blade body punching has one end of this embedding part to form bending in relative this blade body of stamping process.
4. the impeller making method as described in claim 1,2 or 3, is characterized in that, this link is two connecting sheets that are relative, and in this Sheet Metal Forming, described two connecting sheets are to extend towards the same side bending of this blade body.
5. impeller making method as claimed in claim 4, is characterized in that, in this Sheet Metal Forming, one end that this blade body is not provided with this embedding part is also formed with an auxiliary air inducing portion.
6. the impeller making method as described in claim 1,2 or 3, is characterized in that, this link is two connecting sheets that are relative, and in this Sheet Metal Forming, described two connecting sheets are to extend towards the opposition side bending of this blade body.
7. impeller making method as claimed in claim 6, is characterized in that, in this Sheet Metal Forming, one end that this blade body is not provided with this embedding part is also formed with an auxiliary air inducing portion.
8. the impeller making method as described in claim 1,2 or 3, it is characterized in that, this link is formed with first connecting part and second connecting part that match, and the first connecting part of one of them metal blade can be interlockingly connected with the second connecting part of adjacent metal flabellum.
9. impeller making method as claimed in claim 8, is characterized in that, this first connecting part is the slotted eye forming through punching, and this second connecting part is the fastener forming through punching.
10. the impeller making method as described in claim 1,2 or 3, is characterized in that, in the coated process of plastic injection, this wheel hub central authorities one is coated and is formed with a central shaft.
11. impeller making methods as described in claim 1,2 or 3, it is characterized in that, in the coated process of plastic injection, be that a permanent magnet and an envelope magnet ring ring are overlying on to this wheel hub inner circle wall, and make this envelope magnet ring between this permanent magnet and this wheel hub.
12. impeller making methods as described in claim 1,2 or 3, it is characterized in that, in the coated process of plastic injection, be first an envelope magnet ring ring to be overlying on to this wheel hub inner circle wall, assemble again a permanent magnet, make this envelope magnet ring can be between this permanent magnet and this wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310069134.4A CN104033419B (en) | 2013-03-05 | 2013-03-05 | Impeller manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310069134.4A CN104033419B (en) | 2013-03-05 | 2013-03-05 | Impeller manufacture method |
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| Publication Number | Publication Date |
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| CN104033419A true CN104033419A (en) | 2014-09-10 |
| CN104033419B CN104033419B (en) | 2016-08-10 |
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| CN201310069134.4A Active CN104033419B (en) | 2013-03-05 | 2013-03-05 | Impeller manufacture method |
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Cited By (11)
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| CN105619695A (en) * | 2015-12-28 | 2016-06-01 | 联想(北京)有限公司 | Fan machining method and fan |
| US20160273546A1 (en) * | 2015-03-20 | 2016-09-22 | Cooler Master Co., Ltd. | Fan impeller and method for manufacturing the same |
| CN105987021A (en) * | 2015-02-13 | 2016-10-05 | 联想(北京)有限公司 | Fan blade of cooling fan, manufacturing method of fan blade, and cooling fan and electronic equipment which comprise fan blade |
| CN106762814A (en) * | 2016-10-11 | 2017-05-31 | 奇鋐科技股份有限公司 | Fan structure |
| TWI612223B (en) * | 2016-02-25 | 2018-01-21 | Asia Vital Components Co Ltd | Fan wheel structure of cooling fan |
| TWI622706B (en) * | 2016-08-25 | 2018-05-01 | 宏碁股份有限公司 | Blade module and fan using the same |
| US10247196B2 (en) | 2016-08-25 | 2019-04-02 | Acer Incorporated | Blade module and fan using the same |
| CN109751280A (en) * | 2017-11-07 | 2019-05-14 | 宏碁股份有限公司 | Radiator fan |
| US10808715B2 (en) | 2017-10-26 | 2020-10-20 | Acer Incorporated | Heat dissipation fan |
| CN111911454A (en) * | 2019-05-10 | 2020-11-10 | 台达电子工业股份有限公司 | Fan with cooling device |
| US11629725B2 (en) * | 2020-04-13 | 2023-04-18 | Acer Incorporated | Centrifugal heat dissipation fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987021B (en) * | 2015-02-13 | 2019-07-26 | 联想(北京)有限公司 | Radiator fan flabellum and manufacturing method, including its radiator fan and electronic equipment |
| CN105987021A (en) * | 2015-02-13 | 2016-10-05 | 联想(北京)有限公司 | Fan blade of cooling fan, manufacturing method of fan blade, and cooling fan and electronic equipment which comprise fan blade |
| US20160273546A1 (en) * | 2015-03-20 | 2016-09-22 | Cooler Master Co., Ltd. | Fan impeller and method for manufacturing the same |
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| TWI622706B (en) * | 2016-08-25 | 2018-05-01 | 宏碁股份有限公司 | Blade module and fan using the same |
| US10247196B2 (en) | 2016-08-25 | 2019-04-02 | Acer Incorporated | Blade module and fan using the same |
| CN106762814A (en) * | 2016-10-11 | 2017-05-31 | 奇鋐科技股份有限公司 | Fan structure |
| US10808715B2 (en) | 2017-10-26 | 2020-10-20 | Acer Incorporated | Heat dissipation fan |
| CN109751280A (en) * | 2017-11-07 | 2019-05-14 | 宏碁股份有限公司 | Radiator fan |
| CN111911454A (en) * | 2019-05-10 | 2020-11-10 | 台达电子工业股份有限公司 | Fan with cooling device |
| US11719106B2 (en) | 2019-05-10 | 2023-08-08 | Delta Electronics, Inc. | Fan |
| US11952915B2 (en) | 2019-05-10 | 2024-04-09 | Delta Electronics, Inc. | Fan |
| US11629725B2 (en) * | 2020-04-13 | 2023-04-18 | Acer Incorporated | Centrifugal heat dissipation fan |
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|---|---|
| CN104033419B (en) | 2016-08-10 |
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Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Patentee after: Jianzhun Electric Motor Industry Co., Ltd. Address before: Are China Taiwan Lingya Kaohsiung No. 120 12 floor 1 Patentee before: Jianzhun Electric Motor Industry Co., Ltd. |