CN108413002A - A kind of impeller and its manufacturing process and a kind of fluid torque-converter - Google Patents
A kind of impeller and its manufacturing process and a kind of fluid torque-converter Download PDFInfo
- Publication number
- CN108413002A CN108413002A CN201810468300.0A CN201810468300A CN108413002A CN 108413002 A CN108413002 A CN 108413002A CN 201810468300 A CN201810468300 A CN 201810468300A CN 108413002 A CN108413002 A CN 108413002A
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- China
- Prior art keywords
- blade
- impeller
- ring surface
- inner casing
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000012530 fluid Substances 0.000 title claims abstract description 13
- 238000005266 casting Methods 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 1
- 239000011230 binding agent Substances 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 6
- 239000004576 sand Substances 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
- F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to impeller technical fields, specifically disclose a kind of impeller and its manufacturing process and a kind of fluid torque-converter, the impeller includes impeller body and inner casing, impeller body includes being wholely set shell and blade, at least three blades are angularly arranged along the central axis of shell, blade includes the outer ring surface being bonded with shell, inner ring surface far from shell, and the circumferential surface of connection inner ring surface and outer ring surface, inner ring surface is in the range of the projection in central axial direction is located at outer ring surface in the projection in central axial direction；Inner casing is bonded with the inner peripheral surface of blade.By making the inner ring surface of blade within the scope of the projection on housing central axis direction is located at projection of the outer ring surface on housing central axis direction, when open mold, mould structure will not generate interference with the structure of blade, to which pressure casting process integrated molding may be used in impeller body, it avoids casting using sand core, casting efficiency is improved, sand, binder and electric energy will not be wasted, it is more environmentally-friendly.
Description
Technical field
The present invention relates to impeller field more particularly to a kind of impeller and its manufacturing process and a kind of fluid torque-converters.
Background technology
Engineering machinery generally works in the wild, and mainly using internal combustion engine as power source, power transmits main four kinds：Machinery passes
Dynamic, hydraulic power, hydraulic drive and electric transmission.
Hydraulic power is that the kinetic energy of handy liquid transmits energy.Hydraulic power has the following advantages, such as low speed torque increasing, well
Startability, adapt to external load automatically, flexible liquid transmission buffering shock insulation prevents overload flame-out etc., can adapt to condition
Badly, load operating mode complicated and changeable, to be widely used in engineering machinery.
Fluid torque-converter is the critical piece of hydraulic power, is made of at least three impellers (pump impeller, turbine, guide wheel), such as
Shown in Fig. 1-3, impeller includes the blade 02 of shell 01, inner casing 03 and unequal number amount, and blade 02 is arranged on shell 01, and along outer
The central shaft of shell 01 is angularly arranged, and inner casing 03 is closely attached on blade 02.The impeller of fluid torque-converter, blade in engineering machinery
02 each face is mostly solid surface, and blade 02 is cleanliness, transmission efficiency.Part as being labeled with hatching in Fig. 3,
Projection of the blade 02 in the axial direction along impeller have ghost image region S1, i.e., blade far from 01 part of shell in impeller axial direction
On projection there is part to have exceeded the projection upward in impeller axle of face that blade 02 and shell 01 contact, thus cast when using pressure
When making, the structure of mould structure and blade 02 has interference in die sinking, realization die sinking is can not be successfully, to pass through pressure
Casting is produced, and is mostly cast by sand core.
All it is disposable, sand core makes knockout process and disappears no matter what material of sand core when using sand core casting
A large amount of sands, binder and electric energy are consumed, manufacturing cost is high, and production efficiency is relatively low, and antiquated sand also needs landfill disposal, and it is dirty to increase environment
Dye.And generally use core assembling technology, several blades 02 just need several sand cores, an impeller to need 20 to 30 sand cores, give birth to successively
Production, of high cost and efficiency are relatively low.Simultaneously when sand core is cast, need to carry out long-time heating to sand core, it is less efficient, and consume
Power-consuming energy.
Therefore, there is an urgent need for a kind of impellers and its manufacturing process to solve the above problems.
Invention content
It is an object of the present invention to：A kind of impeller and its manufacturing process are provided, with engineering in solving in the prior art
The impeller of the fluid torque-converter mechanically used is cast by sand core, waste sand, binder and electric energy, and production efficiency
It is low, the high problem of production cost.
It is another object of the present invention to：A kind of fluid torque-converter is provided, to solve in engineering machinery in the prior art
The fluid torque-converter used is cast using sand core, waste sand, binder and electric energy, and low production efficiency, production cost are high
The problem of.
On the one hand, the present invention provides a kind of impeller, which includes：Impeller body, the impeller body include integrally setting
The shell and blade set, at least three blades are angularly arranged along the central axis of the shell, the blade include with
The week of the outer ring surface of the shell fitting, the inner ring surface far from the shell, and the connection inner ring surface and the outer ring surface
Face, projection of the inner ring surface in the central axial direction are located at throwing of the outer ring surface in the central axial direction
In the range of shadow；Inner casing, the outer surface of the inner casing are bonded with the circumferential surface of the blade.
Preferably, the impeller body is integrally formed by compression casting.
Preferably, the material of the impeller body is aluminium alloy.
Preferably, the inner casing is riveted with the blade.
Preferably, the impeller body further includes the boss being arranged on the circumferential surface of the blade, it is right on the inner casing
Each described boss is answered to be equipped with through-hole, the boss is arranged in the through-hole, and the boss is by the blade and described
Interior shell rivething.
Preferably, the impeller further includes the rivet being arranged in a one-to-one correspondence with the blade, one end edge of the rivet
In the blade, each described rivet is corresponded on the inner casing and is equipped with through-hole, the rivet is worn and the through-hole
In, the rivet is by the blade and the interior shell rivething.
Preferably, the inner casing is molded by compression casting or is molded through the stamping process.
Preferably, the inner ring surface, the outer ring surface and the circumferential surface are solid surface.
On the other hand, the present invention provides a kind of manufacturing process for producing the impeller described in any of the above-described scheme, packet
It includes：Impeller body and inner casing are produced respectively by compression casting, the inner casing is mounted on the impeller body, and are made interior
The outer surface of shell is bonded with the inner ring surface of blade.
In another aspect, the present invention also provides a kind of fluid torque-converter, including impeller described in any of the above-described scheme.
Beneficial effects of the present invention are：By making the inner ring surface of blade be located in the projection on housing central axis direction
Outer ring surface is within the scope of the projection on housing central axis direction, and when open mold, mould structure will not be with the structure of blade
Interference is generated, to which pressure casting process integrated molding may be used in impeller body, avoids and is cast using sand core, improve casting
Efficiency is made, sand, binder and electric energy will not be wasted, it is more environmentally-friendly.
Description of the drawings
Fig. 1 is the structural schematic diagram of the impeller of fluid torque-converter in the prior art of the invention；
Fig. 2 is the schematic layout pattern of multiple blades of impeller shown in Fig. 1；
Fig. 3 is perspective view of the blade of impeller described in Fig. 1 on the axis direction along impeller；
Fig. 4 is the structural schematic diagram of impeller in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the impeller body of impeller shown in Fig. 4；
Fig. 6 is the structural schematic diagram of the inner casing of impeller shown in Fig. 4；
Fig. 7 is the blade of impeller shown in Fig. 4 in the perspective view on housing central axis direction.
In figure：
01, shell；02, blade；03, inner casing；S1：Ghost image region；
1, shell；
2, blade；21, inner ring surface；22, circumferential surface；
3, inner casing；31, through-hole；
4, boss.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
As also shown in e.g. figs. 4-7, the present embodiment provides a kind of impeller, which includes impeller body and inner casing 3, impeller body
Including the shell 1 and at least three blades 2 being wholely set, shell 1 is in bowl-shape, and both ends are penetrating, and at least three blades 2 are along shell
1 central axis is angularly arranged.Blade 2 includes inner ring surface 21, outer ring surface and the circumferential surface for connecting inner ring surface 21 and outer ring surface
22, inner ring surface 21, outer ring surface and circumferential surface 22 are solid surface, and outer ring surface is bonded with shell 1, and inner ring surface 21 is far from shell 1
And be bonded and push against with the outer surface of inner casing 3, it is thus possible to keep the stabilization of 2 position of blade by inner casing 3.The present embodiment
In, inner ring surface 21 is located at projection of the outer ring surface in 1 central axial direction of shell in the projection in 1 central axial direction of shell
Within the scope of, as shown in fig. 7, the big ring of outer ring indicates outer ring surface in the drop shadow spread in 1 central axial direction of shell, it is interior
The small ring of circle indicates inner ring surface 21 in the drop shadow spread in 1 central axial direction of shell, and the small ring of inner ring is located at the big of outer ring
Within ring, and the two does not intersect.Therefore, compression casting molding may be used in blade 2, when male model and master mold demould, male model
Interference will not be generated with the structure of blade 2 with master mold, can also shell 1 and blade 2 further be passed through into compression casting one
Molding improves casting efficiency, and will not waste sand, binder and electric energy to which impeller body need not use sand core to cast,
It is more environmentally-friendly.
Impeller body in the present embodiment uses aluminum alloy material, naturally it is also possible to use other metal materials as needed
Matter, such as copper etc., the present embodiment do not limit this.
Inner casing 3 is also riveted with each blade 2 in the present embodiment, specifically, the circumferential surface 22 of blade 2 is equipped with boss 4, it is interior
Each boss 4 is corresponded on ring and is equipped with through-hole 31, and boss 4 passes through through-hole 31, and one end can be located at outside through-hole 31, by rear
Part of the boss 4 beyond through-hole 31 is rushed and is put down, it is made to be connected together with inner casing 3, realize inner casing 3 and leaf by the Sheet Metal Forming Technology of phase
The riveted of piece 2 can make the two become the inseparable entirety in jail by making 2 riveted of inner casing 3 and blade.It should be noted that
It is that in the present embodiment, boss 4 is similarly aluminum alloy material, and boss 4 and blade 2 are structure as a whole.Certainly, in others
It can also set boss 4 and blade 2 to separate structure in embodiment, above-mentioned boss 4 can also be passed through other connection structures
It being substituted, such as rivet, one end of rivet can be made to be embedded in blade 2, the other end passes through corresponding through-hole 31 on inner casing 3,
By the Sheet Metal Forming Technology in later stage, part of the rivet beyond through-hole 31 is rushed flat.Rivet can impeller body by compression casting at
When type, the installation site of rivet is preset on mold, and rivet is placed into corresponding position, and liquid is being injected into mold
After aluminium alloy, impeller body after molding will be integrally formed with rivet.
Inner casing 3 in the present embodiment can be molded by compression casting, can also pass through punch forming, naturally it is also possible to adopt
With integral sand core casting and forming.It is understood that integral sand core casting equally may be used in the impeller body in the present embodiment
Molding, can also be by 1 split casting of blade 2 and shell.
The present embodiment also provides a kind of casting technique of above-mentioned impeller, including produces impeller body respectively by compression casting
With inner casing 3, inner casing 3 is mounted on impeller body, and the outer surface of inner casing 3 is made to be bonded with the inner ring surface 21 of blade 2.Impeller
Ontology includes integrally formed shell 1, the boss 4 on blade 2 and blade 2, by the inner ring of the outer surface of inner casing 3 and blade 2
It when face 21 is bonded, while being threaded through on inner casing 3 in corresponding through-hole 31 through boss 4, then boss 4 is higher by the part of through-hole 31
Punching is flat, realizes the riveting of impeller body and inner casing 3.
The present embodiment also provides a kind of fluid torque-converter, including above-mentioned impeller.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (10)
1. a kind of impeller, which is characterized in that including：
Impeller body, the impeller body include the shell (1) being wholely set and blade (2), at least three blade (2) edges
The central axis of the shell (1) is angularly arranged, and the blade (2) includes the outer ring surface being bonded with the shell (1), separate
The inner ring surface (21) of the shell (1), and connect the circumferential surface (22) of the inner ring surface (21) and the outer ring surface, the inner ring
Model of projection of the face (21) in the central axial direction positioned at projection of the outer ring surface in the central axial direction
In enclosing；
Inner casing (3), the outer surface of the inner casing (3) are bonded with the circumferential surface (22) of the blade (2).
2. impeller according to claim 1, which is characterized in that the impeller body is integrally formed by compression casting.
3. impeller according to claim 2, which is characterized in that the material of the impeller body is aluminium alloy.
4. impeller according to claim 1, which is characterized in that the inner casing (3) rivets with the blade (2).
5. impeller according to claim 4, which is characterized in that the impeller body further includes being arranged in the blade (2)
Circumferential surface (22) on boss (4), correspond to each described boss (4) on the inner casing (3) and be equipped with through-hole (31), it is described convex
Platform (4) is arranged in the through-hole (31), and the boss (4) rivets the blade (2) and the inner casing (3).
6. impeller according to claim 4, which is characterized in that the impeller further includes being corresponded with the blade (2)
It is equal to correspond to each described rivet in the blade (2) on the inner casing (3) for one end of the rivet of setting, the rivet
Equipped with through-hole (31), the rivet is arranged in the through-hole (31), and the rivet is by the blade (2) and the inner casing (3)
Riveting.
7. impeller according to claim 1, which is characterized in that the inner casing (3) is molded or is passed through by compression casting
Sheet metal forming technology shaping.
8. impeller according to claim 1, which is characterized in that the inner ring surface (21), the outer ring surface and the week
Face (22) is solid surface.
9. a kind of manufacturing process of claim 1-8 any one of them impellers, which is characterized in that including：Pass through compression casting
Impeller body and inner casing (3) are produced respectively, the inner casing (3) is mounted on the impeller body, and make the outer of inner casing (3)
Surface is bonded with the inner ring surface (21) of blade (2).
10. a kind of fluid torque-converter, which is characterized in that including claim 1-8 any one of them impellers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810468300.0A CN108413002A (en) | 2018-05-16 | 2018-05-16 | A kind of impeller and its manufacturing process and a kind of fluid torque-converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810468300.0A CN108413002A (en) | 2018-05-16 | 2018-05-16 | A kind of impeller and its manufacturing process and a kind of fluid torque-converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108413002A true CN108413002A (en) | 2018-08-17 |
Family
ID=63139586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810468300.0A Pending CN108413002A (en) | 2018-05-16 | 2018-05-16 | A kind of impeller and its manufacturing process and a kind of fluid torque-converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108413002A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB800994A (en) * | 1953-12-15 | 1958-09-03 | Svenska Rotor Maskiner Ab | Improvements in or relating to hydraulic torque converters |
| GB846455A (en) * | 1958-05-05 | 1960-08-31 | Gen Motors Corp | Improved hydraulic torque converter and method of making same |
| US4203331A (en) * | 1977-04-27 | 1980-05-20 | Toyota Jidosha Kogyo Kabushiki Kaisha | Automatic transmission with overdrive |
| JP2004245412A (en) * | 2003-01-23 | 2004-09-02 | Nissan Motor Co Ltd | Impeller of torque converter and its manufacturing method |
| CN101963220A (en) * | 2010-10-28 | 2011-02-02 | 天津市鼎孚科技发展有限公司 | Hydraulic torque converter and preparation method thereof |
| CN105299171A (en) * | 2015-10-26 | 2016-02-03 | 广西柳工机械股份有限公司 | Pump wheel of hydraulic torque converter |
| CN106678322A (en) * | 2017-02-28 | 2017-05-17 | 湖北威能达驱动技术系统有限公司 | Hydraulic coupler vane wheel and hydraulic coupler |
| CN208185393U (en) * | 2018-05-16 | 2018-12-04 | 山推工程机械股份有限公司 | A kind of impeller and fluid torque-converter |
-
2018
- 2018-05-16 CN CN201810468300.0A patent/CN108413002A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB800994A (en) * | 1953-12-15 | 1958-09-03 | Svenska Rotor Maskiner Ab | Improvements in or relating to hydraulic torque converters |
| GB846455A (en) * | 1958-05-05 | 1960-08-31 | Gen Motors Corp | Improved hydraulic torque converter and method of making same |
| US4203331A (en) * | 1977-04-27 | 1980-05-20 | Toyota Jidosha Kogyo Kabushiki Kaisha | Automatic transmission with overdrive |
| JP2004245412A (en) * | 2003-01-23 | 2004-09-02 | Nissan Motor Co Ltd | Impeller of torque converter and its manufacturing method |
| CN101963220A (en) * | 2010-10-28 | 2011-02-02 | 天津市鼎孚科技发展有限公司 | Hydraulic torque converter and preparation method thereof |
| CN105299171A (en) * | 2015-10-26 | 2016-02-03 | 广西柳工机械股份有限公司 | Pump wheel of hydraulic torque converter |
| CN106678322A (en) * | 2017-02-28 | 2017-05-17 | 湖北威能达驱动技术系统有限公司 | Hydraulic coupler vane wheel and hydraulic coupler |
| CN208185393U (en) * | 2018-05-16 | 2018-12-04 | 山推工程机械股份有限公司 | A kind of impeller and fluid torque-converter |
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