CN104033419B - Impeller manufacture method - Google Patents
Impeller manufacture method Download PDFInfo
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- CN104033419B CN104033419B CN201310069134.4A CN201310069134A CN104033419B CN 104033419 B CN104033419 B CN 104033419B CN 201310069134 A CN201310069134 A CN 201310069134A CN 104033419 B CN104033419 B CN 104033419B
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Abstract
One is applicable to Minitype radiating fan, to solve the impeller manufacture method of the problems such as fan wheel structure intensity deficiency and flabellum lazy weight, this impeller manufacture method includes: punching press one metal sheet, to be formed with a metal blade idiosome of a blade body and at least a connection piece；Bend this connector, so that this connector bends relative to this blade body, and form a metal blade；By these metal blade cinctures several so that this number metal blade respectively jointly encloses the connection ring set in continuous annular by its connector, go out an impeller body with body plan, and form a predefined region in this impeller body center；And respectively this blade body one end of this number metal blade it is coated with plastic injection so that plastics and this blade body end tabling, and form a wheel hub in the predefined region of this impeller body.
Description
Technical field
The present invention is about a kind of impeller manufacture method；Make especially in regard to a kind of impeller being applicable to Minitype radiating fan
Method.
Background technology
Impeller is many makes in plastic jetting forming mode for tradition, to be integrally coated with wheel hub and number plastic cement leaf by means of plastic cement injection
Sheet, but for fear of plastic cement flowing during tradition plastic cement injection and the Characteristics of Thermal deformation of plastic cement itself, making, miniaturization blade is true
In fact have some difficulty, even and if after impeller shapes, the structural strength between several blades of this impeller and its wheel hub is the most still for industry institute
Cause anxiety, so that being directly restricted via the impeller made by plastic jetting forming, all the time cannot be used by all types of fans.
Therefore, for being applicable to the impeller of Minitype radiating fan at present, major part is to select with metal stamping shaping side
Formula is in the majority.As TaiWan, China announces I292014 Patent Case, disclose a kind of super thin fan；Wherein, the impeller of this super thin fan
9 is i.e. by metal sheet integrated punching, makes to form ring flat-plate 91 and be surrounded on the several flabellums 92 around this ring flat-plate 91, and warp
This number flabellum 92 that metal stamping is made can be bent molding one aerofoil.
But, the method shaping this impeller 9 by metal stamping, flabellum can be integrally molded so as because being limited by metal sheet
The quantity of 92 is relatively fewer, and when this impeller 9 is applicable to super thin fan, often for fear of the deficiency of this flabellum 92 quantity, so that
Air quantity, blast that this impeller 9 can export are the most undesirable, so that existing super thin fan is unable to reach preferred drive air-flow then
Effect.
And for example TaiWan, China announces M376655 Patent Case, and it discloses another kind of Combined impeller structure 8, and it first leads to
Cross metal stamping forming mode and form a wheel hub 81 and number blade 82 respectively, form in this blade 82 inner peripheral extremely to relend to help
Few a docking part 821 connects this wheel hub 81；And this connected mode be existing chimeric, clamping, rabbet, compel to connect, grafting etc..
But, form blade 82 by metal stamping, then this at least one blade 82 is connected to the mode of wheel hub 81, often
Easily the best because of the bond strength between each blade 82 and this wheel hub 81, and this mutual structure not more being available for supporting of number blade 82
Part, during so that this existing Combined impeller structure 8 is used in general radiator fan, will be not enough because of structural strength, and cause rotation
Turn the generation of noise, and have influence on the normal operation of this radiator fan.
Because above-mentioned factor, the present invention is to provide one to be different from existing impeller manufacture method, and can fit especially
For Minitype radiating fan, to solve various problem as above.
Summary of the invention
Main purpose of the present invention is to improve the problems referred to above, and to provide a kind of impeller manufacture method, it can promote wheel hub
And the integrated structure intensity between several flabellums, and then it is applicable to Minitype radiating fan, to avoid Rotation Noise to produce.
A present invention time purpose is to provide a kind of impeller manufacture method, and it can body plan and arrange out more metal fan
Leaf, and then it is applicable to Minitype radiating fan, to promote wind dispelling performance.
For reaching aforementioned invention purpose, the impeller manufacture method of the present invention, comprise: punching press one metal sheet, to be formed with
The one metal blade idiosome of one blade body and at least a connection piece；Bend this connector, so that this connector is relative to this blade
Body bends, and forms a metal blade；By these metal blade cinctures several so that this number metal blade is respectively by its connector
Jointly enclose the connection ring set in continuous annular, go out an impeller body with body plan, and form a predefined region in this impeller body center；
And respectively this blade body one end of this number metal blade it is coated with plastic injection so that plastics are mutually embedding with this blade body end
Close, and form a wheel hub in the predefined region of this impeller body.
Wherein, during this plastic injection is coated with, it is that injected plastic is in this predefined region so that plastics flow into this blade originally
In the fitting portion that body one end is formed, and after plastics cooling solid, i.e. with the end tabling of this blade body.
Wherein, one end that this blade body punching has this fitting portion is that this blade body relative is formed curved in punching course
Bent.
Wherein, this connector is in two relative connection sheets, and in this Sheet Metal Forming, this two connections sheet court
The same side bending of this blade body extends.
Wherein, this connector is in two relative connection sheets, and in this Sheet Metal Forming, this two connections sheet court
The opposition side bending of this blade body extends.
Wherein, in this Sheet Metal Forming, this blade body is not provided with one end of this fitting portion and is also formed with one
Auxiliary air inducing portion.
Wherein, this connector is formed with one first joint portion and one second joint portion matched, and a wherein metal fan
First joint portion of leaf is can be interlockingly connected with the second joint portion of adjacent metal flabellum.
Wherein, this first joint portion is through a slotted eye of punching, and this second joint portion is then through a fastener of punching.
Wherein, during plastic injection is coated with, this wheel hub central authorities one cladding is formed with a central shaft.
Wherein, during plastic injection is coated with, it is that a permanent magnet and an envelope magnet ring ring are overlying on this wheel hub inner circumferential
Wall, and make this envelope magnet ring between this permanent magnet and this wheel hub.
Wherein, during plastic injection is coated with, it is first an envelope magnet ring ring to be overlying on this wheel hub internal perisporium, then assemble one
Permanent magnet, enables this envelope magnet ring between this permanent magnet and this wheel hub.
Accompanying drawing explanation
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 programme figure one of impeller manufacture method of the present invention.
Fig. 3 c～3e is the metal blade schematic diagram of difference aspect of the present invention.
Fig. 4 is the Making programme figure two of impeller manufacture method of the present invention.
Fig. 5 is the Making programme figure three of impeller manufacture method of the present invention.
Fig. 6 is the present invention generalized section along the 6-6 direction of Fig. 5.
Wherein:
1 metal sheet 2 metal blade idiosome
2 ', 2 ", 2 " ', 2 " " metal blade
21 blade body 211 fitting portions
22 connector 221 first joint portions
222 second joint portions 23 assist air inducing portion
3 impeller body 4 wheel hub 41 central shafts
42 permanent magnet 43 envelope magnet rings
S connects ring A predefined region
Existing
9 impeller 91 ring flat-plate 92 flabellums
8 Combined impeller structures
81 wheel hub 82 blade 821 docking sections.
Detailed description of the invention
For above-mentioned and other purpose, feature and the advantage of the present invention can be become apparent, the present invention cited below particularly is relatively
Good embodiment, and coordinate accompanying drawing, it is described in detail below:
Impeller manufacture method of the present invention is can to select sequentially to complete in on-line operation, can be applicable to micro-shape fan with output
The impeller of Hot-air fan, its making step is as follows:
Please read Fig. 3 a, 3b, first step is punching press one metal sheet 1, has a blade body 21 and at least to shape
The one metal blade idiosome 2 of a connection piece 22；In detail, this metal sheet 1 first can be rushed by the present embodiment by predetermined facility
Making the metal blade idiosome 2 such as Fig. 3 a, this connector 22 of this metal blade idiosome 2 can be in two relative connections such as drawing
Sheet, is this connectors 22 of two opposing tab relative two lateral margins of forming in this blade body 21, and can as shown in the figure in
Default profile relatively or according to this metal blade idiosome 2 different and in being misplaced (illustrating after appearance).Wherein, this blade body 21
One end is also formed with a fitting portion 211, and this fitting portion 211 can be the various structures for plastics build-in, and the present embodiment is preferably
As drawing show the perforation in penetration state；This connector 22 is also formed with one first joint portion 221 and one second combination again
Portion 222, this first joint portion 221 is preferably through a slotted eye of punching, and makes this first joint portion 221 of this connector 22
Preferably just being positioned at bending place, this second joint portion 222 is the most then for the fastener through punching.
From the above, the kenel of this first joint portion 221 and this second joint portion 222 is replaceable, with can be in mutual
The configuration joined, and the appearance profile of this metal blade idiosome 2 and this fitting portion 211, this first joint portion 221, this second
It is the most stamping that joint portion 222 can regard actual on-line operation process selecting, and Huo Jing bis-road program is the most stamping, and this is
Those skilled in the art, it is understood that repeat no more, are also not intended to this metal blade idiosome 2 and this fitting portion 211, this first combination
Portion 221, the punching order of this second joint portion 222.
Read Fig. 3 b, 3c the most in detail, when this stamped shaping of metal blade idiosome 2 and after this metal sheet 1 departs from, then bend
This connector 22, so that this connector 22 this blade body 21 relative bends, and forms a metal blade 2 '；In detail, this reality
Executing example can be by being again stamped into this connectors 22 of two opposing tab, to cause this two to connect sheet (i.e. drawing label 22)
The same side (i.e. the upside of drawing or downside) bending towards this blade body 21 can extend as shown in Figure 3 b, and form this metal fan
Leaf 2 '；Or, it is also possible to again it is stamped into this connector 22 of two opposing tab, to cause this two connections sheet (i.e. drawing mark
Numbers 22) opposition side (i.e. the upper and lower side of drawing) towards this blade body 21 can bend and extend as shown in Figure 3 c, and form this metal
Flabellum 2 ".Simultaneously, this blade body 21 punching has one end of this fitting portion 211 to be alternatively punching press and this blade body relatively
21 in bending, in order to carry out follow-up operation.
And based on aforementioned concepts, impeller manufacture method of the present invention also is able to, when operating this first step, preset and have not
With the metal blade idiosome of profile, and via forming the metal blade of different aspect after two times punch.For example, it is can be as
Shown in Fig. 3 d, cause respectively this blade body 21 also can be formed with an auxiliary air inducing portion 23 in the lump in punching course, and rush through secondary
This metal blade 2 of aspect as shown in drawing is formed after pressure " '；Or, it is also possible under concept same as before, form 3e such as scheme
Two shown connection sheets are in this metal blade 2 being misplaced aspect " ".Below only technological concept is identical, and those skilled in the art should
Make the metal blade of different aspect, hold and repeat the most one by one.
After the first step that continues is formed with this metal blade 2 ' several, continuing such as Fig. 4, second step is by these metal fans several
Leaf 2 ' cincture, and be preferably combined with the second of adjacent metal flabellum 2 ' with the first joint portion 221 of a wherein metal blade 2 '
Portion 222 is interlockingly connected so that this number metal blade 2 ' respectively jointly encloses the connection ring S set in continuous annular by its connector 22, with
Body plan goes out an impeller body 3, and is centrally formed a predefined region A in this impeller body 3；In detail, the present embodiment is to pass through one
Slotted eye (i.e. the first of drawing of fastener (i.e. the second joint portion 222 of drawing) the snapping adjacent metal flabellum 2 ' of metal blade 2 '
Joint portion 221), with respectively this connector 22 (i.e. the upper and lower connection sheet of the present embodiment) continued circling by means of this number metal blade 2 '
Connection ring S (side as upper and lower in drawing respectively has a connection ring S) in sequential like, and have this according to 21 punching of this blade body simultaneously
One end circle of fitting portion 211, around forming this predefined region A, is this impeller body 3 of ring type structure to constitute drawing such as with regard to this.And should
The circular row of number metal blade 2 ' can arrange or adopt manual type by facility automatization to be carried out.
After this second step is formed with this impeller body 3, Fig. 5 for another example, third step is should with a plastic injection cladding
Respectively this blade body 21 one end of number metal blade 2 ' so that plastics and the end tabling of this blade body 21, and in this fan
The predefined region A of wheel body 3 central authorities forms a wheel hub 4；In detail, the present embodiment passes through plastic cement injection molding method, moulds to inject
Expect in this predefined region A so that plastics flow in this fitting portion 211 for perforation that this blade body 21 one end is formed, and treat
After plastics cooling solid the most as shown in Figure 6 with the end tabling of this blade body 21, to be integrally coated with this metal blade with regard to this
2 ' and produce this wheel hub 4, thus complete the making of impeller of the present invention.
Holding as shown in Figure 5,6, these wheel hub 4 central authorities also are able to integrally be coated with and are formed with a central shaft 41；Or, more extra warp
By various combinations by this central shaft 41 body plan in these wheel hub 4 central authorities, do not need to limit in this.Again and, impeller of the present invention make
During method more can be coated with plastic injection, a permanent magnet 42 and envelope magnet ring 43 ring are overlying on this wheel hub 4 internal perisporium,
And make this envelope magnet ring 43 can be between this permanent magnet 42 and this wheel hub 4；Or also can be in the process of plastic injection cladding
In, first this envelope magnet ring 43 ring is overlying on this wheel hub 4 internal perisporium, then assembles this permanent magnet 42, so that this envelope magnet ring 43 can be situated between
Between this permanent magnet 42 and this wheel hub 4；Above, this permanent magnet 42 with the assembled formation mode of this envelope magnet ring 43 is
Technological means customary in the art, holds not repeat also being not intended to.
To sum up sayed, being mainly characterized by of impeller manufacture method of the present invention: by metal stamping formed mode shape
Become to have this metal blade idiosome 2 of blade body 21 and at least a connection piece 22, with can be in punching press by means of this connector 22
Journey bends relative to this blade body 21, and continuously shaped go out this metal blade 2 '；And the wantonly two adjacent metal blades 2 ' of utilization that continue
The mutual snapping of each connector 22 so that this number metal blades 2 ' respectively this connector 22 can be around the connection in sequential like
Ring S, and then body plan goes out this impeller body 3 in ring-like aspect；Final again by the way of plastic cement ejection formation, make plastics to fill out
Enter in this predefined region A and this fitting portion 211 for perforation flowing into this blade body 21 one end institute punching of taking advantage of a situation, to treat that plastics are cold
Can integrally be coated with the end of this blade body 21 the most afterwards, and be formed by a fan of this wheel hub 4 with this impeller body 3 tabling
Wheel.
So, impeller manufacture method of the present invention can not only connect with each connector 22 between each adjacent metal flabellum 2 ',
And guarantee the combination degree of stability of this number metal blade 2 '；And the mode that plastic cement injection one more can be utilized Overmolded promotes simultaneously
Integrated structure intensity between several metal blades 2 ' of wheel hub 4 and this impeller body 3 of composition, and then miniature radiation air can be applicable to
During fan, reach the effect avoiding Rotation Noise to produce.In addition, impeller manufacture method of the present invention can also pass through metal stamping
Made metal blade 2 ' arranges out this impeller body 3, with promote the blade quantity of this impeller body 3 whereby and will not be limited
In tradition directly by impeller person made by metal sheet punching press, Minitype radiating fan is applicable to regard to this, further to reach to carry
Rise effect of wind dispelling performance.
Although the present invention has utilized above-mentioned preferred embodiment to disclose, so it is not limited to the present invention, any is familiar with this
Those skilled in the art is within without departing from the spirit and scope of the present invention, and relative above-described embodiment carries out various change and still belongs to this with amendment
Bright protected technology category, therefore protection scope of the present invention is when being as the criterion depending on the defined person of claim.
Claims (11)
1. an impeller manufacture method, it is characterised in that including:
One metal sheet of punching press, to be formed with a metal blade embryo of a blade body and at least one connector
Body；
Bend this connector, so that this connector bends relative to this blade body, and form a metal blade；
By several metal blade cinctures so that described several metal blades each jointly enclose by its connector and set in continuous annular
Connection ring, go out an impeller body with body plan, and form a predefined region in this impeller body center；And
Each blade body one end of described several metal blades it is coated with so that plastics and this blade body end phase with plastic injection
Chimeric, and a wheel hub is formed in the predefined region of this impeller body, it comprises injected plastic in this predefined region so that plastics flow into
In the fitting portion that this blade body one end is formed, and after plastics cooling solid, i.e. with the end phase of this blade body
Chimeric.
2. impeller manufacture method as claimed in claim 1, it is characterised in that this blade body punching has one end of this fitting portion
Bending is formed relative to this blade body in punching course.
3. impeller manufacture method as claimed in claim 1 or 2, it is characterised in that this connector is in two relative connections
Sheet, and in this Sheet Metal Forming, it is the same side bending extension towards this blade body that said two connects sheet.
4. impeller manufacture method as claimed in claim 3, it is characterised in that in this Sheet Metal Forming, this blade
Body is not provided with one end of this fitting portion and is also formed with an auxiliary air inducing portion.
5. impeller manufacture method as claimed in claim 1 or 2, it is characterised in that this connector is in two relative connections
Sheet, and in this Sheet Metal Forming, it is the opposition side bending extension towards this blade body that said two connects sheet.
6. impeller manufacture method as claimed in claim 5, it is characterised in that in this Sheet Metal Forming, this blade
Body is not provided with one end of this fitting portion and is also formed with an auxiliary air inducing portion.
7. impeller manufacture method as claimed in claim 1 or 2, it is characterised in that this connector is formed with matched
First joint portion and second joint portion, and the first joint portion of one of them metal blade can be with the of adjacent metal flabellum
Two joint portions are interlockingly connected.
8. impeller manufacture method as claimed in claim 7, it is characterised in that this first joint portion is through punching
Slotted eye, this second joint portion is then a fastener through punching.
9. impeller manufacture method as claimed in claim 1 or 2, it is characterised in that during plastic injection is coated with, this is taken turns
Hub central authorities one cladding is formed with a central shaft.
10. impeller manufacture method as claimed in claim 1 or 2, it is characterised in that during plastic injection is coated with, be
One permanent magnet and an envelope magnet ring ring are overlying on this wheel hub internal perisporium, and make this envelope magnet ring take turns with this between this permanent magnet
Between hub.
11. impeller manufacture methods as claimed in claim 1 or 2, it is characterised in that during plastic injection is coated with, be
First an envelope magnet ring ring is overlying on this wheel hub internal perisporium, then assembles a permanent magnet, enable this envelope magnet ring permanent between this
Between 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104033419A CN104033419A (en) | 2014-09-10 |
| CN104033419B true CN104033419B (en) | 2016-08-10 |
Family
ID=51464347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310069134.4A Active CN104033419B (en) | 2013-03-05 | 2013-03-05 | Impeller manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104033419B (en) |
Families Citing this family (11)
| 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 |
| CN106032807B (en) * | 2015-03-20 | 2019-03-15 | 讯凯国际股份有限公司 | Blast fan and its manufacturing method |
| CN105619695A (en) * | 2015-12-28 | 2016-06-01 | 联想(北京)有限公司 | Fan machining method and fan |
| 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 |
| CN106762814A (en) * | 2016-10-11 | 2017-05-31 | 奇鋐科技股份有限公司 | Fan structure |
| TWI663339B (en) | 2017-10-26 | 2019-06-21 | 宏碁股份有限公司 | Heat dissipation fan |
| CN109751280B (en) * | 2017-11-07 | 2021-10-22 | 宏碁股份有限公司 | Heat radiation fan |
| CN111911454B (en) | 2019-05-10 | 2022-08-23 | 台达电子工业股份有限公司 | Fan with cooling device |
| TWI745927B (en) * | 2020-04-13 | 2021-11-11 | 宏碁股份有限公司 | Centrifugal heat dissipation fan |
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|---|---|---|---|---|
| CN1987114A (en) * | 2005-12-20 | 2007-06-27 | 建准电机工业股份有限公司 | Thin type fan |
| CN2929280Y (en) * | 2006-07-10 | 2007-08-01 | 李锦标 | Fan vane |
| CN101338768A (en) * | 2007-07-04 | 2009-01-07 | 富准精密工业(深圳)有限公司 | Impeller of fan |
| CN201610861U (en) * | 2010-01-21 | 2010-10-20 | 东莞市金鑫智能机械设备有限公司 | Impeller of centrifugal fan |
| CN201771853U (en) * | 2010-07-16 | 2011-03-23 | 高创能科技股份有限公司 | Metal rotor structure |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1987114A (en) * | 2005-12-20 | 2007-06-27 | 建准电机工业股份有限公司 | Thin type fan |
| CN2929280Y (en) * | 2006-07-10 | 2007-08-01 | 李锦标 | Fan vane |
| CN101338768A (en) * | 2007-07-04 | 2009-01-07 | 富准精密工业(深圳)有限公司 | Impeller of fan |
| CN201610861U (en) * | 2010-01-21 | 2010-10-20 | 东莞市金鑫智能机械设备有限公司 | Impeller of centrifugal fan |
| CN201771853U (en) * | 2010-07-16 | 2011-03-23 | 高创能科技股份有限公司 | Metal rotor structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104033419A (en) | 2014-09-10 |
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