CN107471547B - For manufacturing the mold of centrifugal impeller - Google Patents
For manufacturing the mold of centrifugal impeller Download PDFInfo
- Publication number
- CN107471547B CN107471547B CN201710912608.5A CN201710912608A CN107471547B CN 107471547 B CN107471547 B CN 107471547B CN 201710912608 A CN201710912608 A CN 201710912608A CN 107471547 B CN107471547 B CN 107471547B
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- Prior art keywords
- pellet
- core unit
- mold core
- centrifugal impeller
- mold
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides the adaptable mold for being used to manufacture centrifugal impeller.Present invention provide the technical scheme that including dynamic model and quiet mould, quiet mould includes mold core unit, and mold core unit has longitudinal high variable quantity.Technical solution of the present invention beneficial effect is: due to there is longitudinal high variable quantity in mold core unit, mean that it has the special-effect of longitudinal extension or longitudinal compression in space, it will so can solve above-mentioned because longitudinal direction highly immobilizes due to a series of technical problems of bring, especially progressive die step or moves back mould step and will become easy, it can solve longitudinal height change at the certain positions of centrifugal impeller and have to select hand-built technical problem, processing is more convenient, production efficiency is higher, it is processed especially suitable for batch production, and it is easily worked out integrally formed centrifugal impeller, the intensity of centrifugal impeller depends entirely on material self-strength at this time, no longer lead to fracture hidden danger occur because of the intensity of connecting portion deficiency.
Description
Technical field
The present invention relates to the molds of manufacture centrifugal impeller.
Background technique
It is air inlet through hollow shaft that centrifugal impeller, which refers to, radial outlet air, is done work using centrifugal force (depending on revolving speed and outer diameter), mentions air
The wind wheel of high pressure.There is longitudinal height change in manufacture due to can only laterally retreat in the mold of conventionally manufactured centrifugal impeller
When centrifugal impeller, it has to using independently being manufactured to its privileged site by multiple molds respectively, then pass through
The position welding that handwork again obtains abovementioned steps is integral.Time-consuming and laborious, production efficiency is low, and it is raw to be not suitable for batch
It produces, and the connection structure intensity of multiple positions welding is lower, and the performance requirement of certain use occasions is not achieved.
Summary of the invention
For this purpose, the present invention provides the adaptable mold for being used to manufacture centrifugal impeller.
Present invention provide the technical scheme that including dynamic model and quiet mould, quiet mould includes mold core unit, and mold core unit has vertical
To high variable quantity.
Technical solution of the present invention beneficial effect is: due to there is longitudinal high variable quantity in mold core unit, it is meant that it has
There is the special-effect of longitudinal extension or longitudinal compression in space, then will can solve above-mentioned due to longitudinally highly immobilizing
A series of technical problems of bring, especially progressive die step move back mould step and will become easy, can solve centrifugal impeller
Longitudinal height change at certain positions and having to selects hand-built technical problem, and processing is more convenient, and production efficiency is higher,
It is processed especially suitable for batch production, and is easily worked out integrally formed centrifugal impeller, the intensity of centrifugal impeller is complete at this time
Depending on material self-strength, no longer lead to fracture hidden danger occur because of the intensity of connecting portion deficiency.
Invention is further described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is the structure chart of centrifugal impeller；
Fig. 2 is the structure chart of centrifugal impeller；
Fig. 3 is the structure chart of metal reel 14；
Fig. 4 is the structure chart of metal reel 14；
Fig. 5 is the structure chart for manufacturing the mold of centrifugal impeller；
Fig. 6 is the structure chart of quiet mould 2；
Fig. 7 is the structure chart of dynamic model 1；
Fig. 8 is the local structural graph of quiet mould 2；
Fig. 9 is the structure chart of mold core unit 3；
Figure 10 is the structure chart of upper pellet 4；
Figure 11 is the structure chart of lower pellet 5.
Figure 12 is longitudinal height change schematic diagram of mold core unit 3.
Figure 13 is upper pellet 4 and longitudinal height change schematic diagram that the cooperation of lower pellet 5 generates.
Specific embodiment
The centrifugal impeller that Fig. 1 to Fig. 4 indicates, including shroud 12, blade 13, hub disk 11, shroud 12 and hub disk 11 are to be located at
Two discoid bodies of about 13 two sides of blade, constitute the installation foundation of blade 13, blade 13 be located at shroud 12 and hub disk 11 it
Between, shroud 12, blade 13, hub disk 11 are integrally formed.
It should be noted that in the present invention so-called upper and lower, height, transverse direction, longitudinal direction etc. be related to the word in orientation be all with
Represented direction is what standard was described in attached drawing, and does not mean that direction when really assembly or operation, and it is answered
When understanding general direction, and it should not necessarily be limited to the absolute value on geometric meaning, because a little error of assembly is absolute being
And should be allowed to.
Can be seen that the hollow formation air inlet of shroud 12, the spatial distribution between shroud 12 and hub disk 11 13 He of blade
Air outlet, distinguished and admirable to leave from the entrance of shroud 12 from the air outlet between blade 13, shroud 12 is promoted and is inhaled for collecting distinguished and admirable
Power, the so-called integrated molding of the present invention refer to the manufacturing process that time processing just completes.
Shroud 12, blade 13, hub disk 11 are plastic material.More precisely, it is produced by Shooting Technique integrated molding
Production cost is effectively reduced in product, promotes yield.
Hub disk 11 has disk 111 in hub disk, and disk 111 is planar design in hub disk.After disk 111 refers in hub disk
Medial surface of the disk 11 towards 13 side of impeller, and so-called plane should be understood as comprising one piece of substantially flat plane domain,
And it is not construed as the fully-flattened on geometric meaning.Relatively it also has the outer disk 112 backwards to impeller 13 certainly, right
The surface shape of outer disk 112 does not do specific requirement.
Shroud 12 includes disk 121 and the outer disk 122 of shroud in shroud, and disk 121 and the outer disk 122 of shroud are divided in shroud
Not Wei surface modeling, wherein disk 121 refers to medial surface of the shroud 12 towards 13 side of impeller in shroud, and the outer disk of shroud
122 refer to the lateral surface backwards to impeller 13.So-called curved surface uses it is generally understood that i.e. the surface is in curved shape herein
, more specifically it is reclinate moulding in Fig. 2, more precisely curves inwardly and downwardly, is conducive to make wind circulation
Road is integrally smooth, and then promotes wind-force.
Hub disk 11 includes metal reel 14, and metal reel 14 includes impeller department of assembly 141 and motor department of assembly 142, impeller
Department of assembly 141 and the package assembly of hub disk 11, motor department of assembly 142 and the exposed assembly of hub disk 11.So-called package assembly refers to
Impeller department of assembly 141 is wrapped in assembly relation therein by hub disk 11 completely, and exposed assembly refers to motor department of assembly 142
Lead to extraneous assembly relation, metal reel 14 is fixedly connected with hub disk 11, and such metal reel 14 passes through motor department of assembly 142
Peg-in-hole assembly to motor shaft, motor shaft drives metal reel 14 and hub disk 11 to rotate together, only by metal reel 14
Be arranged motor department of assembly 142 mode could bear motor high-speed rotation needed for intensity.
Impeller department of assembly 141 includes reinforcing through-hole 143, hub disk 11 and the interspersed assembly of reinforcement through-hole 143.Hub disk 11 it is corresponding
It partially passes through and reinforces through-hole 143, so that 11 enlarged contact areas of metal reel 14 and hub disk, can be enhanced the two stable connection
Property, and motor can be rotated to the neutralizing of bring stress.It will be filled out completely when shroud 11 is integrally formed by Shooting Technique after especially
Completely reinforce through-hole 143, to complete to assemble with stablizing for metal reel 14.
The Die Embodiment for being used to manufacture centrifugal impeller that Fig. 5 to Figure 13 is indicated, including dynamic model 1 and quiet mould 2, quiet mould 2 wrap
Mold core unit 3 is included, mold core unit 3 has longitudinal high variable quantity.Dynamic model 1 can carry out the height change activity in space, letter
Singly say be relative to quiet mould 2 go up and down, dynamic model 1 decline until and quiet mould 2 molding, complete manufacture after dynamic model 1 rise until and
Quiet mould 2 divides mould.Quiet mould 2 it is whole relative to dynamic model 1 be it is static, i.e., generally speaking its height in space is constant.Change sentence
Talk about, dynamic model 1 and quiet mould 2 it is so-called dynamic and it is quiet be between the two.
More precisely, mold core unit 3 has laterally movable path a.The laterally movable path a of mold core unit 3 is linear,
What some point on mold core unit 3 was done in space is exactly to move along a straight line, and motion profile is both laterally movable path a.It is so-called
The laterally movable path of straight line should be understood as substantially straight line, and be not construed as the absolute straight line on geometric meaning because
Fine error when assembly is unavoidable.
Preferably, longitudinal high variable quantity of the mold core unit 3 of the present embodiment is associated with laterally movable path a
, it will start to generate the longitudinal height change mistake for acting on its own in certain nodes of the laterally movable process of mold core unit 3
Journey.Specifically:
(1), 3 going straight ahead of mold core unit when progressive die, until progressive die node, generates the propelled longitudinally work for acting on its own
With mold core unit 3 generates longitudinal extending amount, so that its whole longitudinal height increases；
(2), 3 straight line of mold core unit drives in the wrong direction when moving back mould, same to generate the propelled longitudinally effect for acting on its own, mold core list
Member 3 generates longitudinal compression amount, so that its whole longitudinal height reduces and returns to former longitudinal height condition, can smoothly complete and move back
Mould.
The further structure of mold core unit 3 is: mold core unit includes upper pellet 4 and lower pellet 5, and lower pellet 5 has longitudinal
High variable quantity.Lower pellet 5 has longitudinal direction expressed by longitudinal high variable quantity with longitudinal high variable quantity and mold core unit 3
High variable quantity is meant that identical, and when selecting this structure, longitudinal height change of mold core unit 3 will be by lower pellet 5
To realize.
More specifically, upper pellet 4 has laterally movable path a, the laterally movable linear moulding of path a.Upper pellet 4
Longitudinal height be it is constant, upper pellet 4 also only have transverse movement, longitudinal high variable quantity of mold core unit 3 will pass through at this time
The transverse movement of upper pellet 4 combines lower pellet 5 to be achieved, i.e., will open in certain nodes of the laterally movable process of upper pellet 4
Begin to generate the longitudinal height change process for acting on lower pellet 5, it is structurally reasonable reliable.
More specific structure is: upper pellet 4 has upper pellet mating surface 41, and lower pellet 5 has lower pellet mating surface 51.On
Pellet mating surface 41 is used to direct contact action in lower pellet mating surface 51, and in other words, upper pellet mating surface 41, which abuts, to be made
For lower pellet mating surface 51, in upper 4 progressive die of pellet on pellet mating surface 41 push under 5 going straight ahead of pellet, until progressive die
Node, upper pellet mating surface 41 generate the propelled longitudinally effect for being directed to lower pellet 5 so that 4 height of upper pellet it is constant and under
Pellet 5 declines, so that longitudinal height increase that mold core unit 3 is whole；Pellet mating surface 41 generates needle on when upper pellet 4 moves back mould
To longitudinal pulling function of lower pellet 5, the upper 4 constant and lower pellet 5 of height of pellet rises, so that the longitudinal direction that mold core unit 3 is whole
Height is reduced.
The selection of upper pellet mating surface 41 and lower pellet mating surface 51 be it is diversified, the two can be agrees with completely,
Again or part is agreed with, and or plane, and or curved surface, as long as upper pellet mating surface 41 can drive time pellet mating surface 51
Realize longitudinal high variable quantity of anticipation.
Therefore, the preferably upper pellet mating surface 41 of the present invention and lower pellet mating surface 51 are in planar design respectively, and respectively
It is tilted relative to laterally movable path a.More optimizedly the two is agreed with completely, and gradient is consistent, then can make pellet
Mating surface 41 drives process more smooth for the conflict of lower pellet mating surface 51, cooperates relatively reliable.Similarly plane herein
Should also be as be general plane understanding.
Preferred structure is: upper pellet 4 has upper pellet guide pad 42, and lower pellet 5 has lower pellet guide groove 52, upper core
Block guide pad 42 and lower 52 slidable fit of pellet guide groove.Slidable fit herein is expressed as pellet guide pad 42 can be under
The meaning slided in pellet guide groove 52.The section of upper pellet guide pad 42 is similar to " convex " word, and the present invention further exists
Lower pellet guide groove 52 is arranged lower pellet gear and connects block 54, and itself and lower 52 equal length of pellet guide groove, as lower pellet is oriented to
Slot 52 extends, and pellet guide pad 42 upper in this way can not be detached from lower pellet guide groove 52 from top, and positioning is more accurate, and cooperation is more
Reliably.
Certain accommodation can certainly be done to above structure, i.e., in upper pellet 4 there is upper pellet guide groove (not mark in figure
Show), lower pellet 5 has lower pellet guide pad (not indicating in figure), upper pellet guide groove and lower pellet guide pad slidable fit.I.e.
The block and groove location that guide frame described in leading portion is related to exchange, then it is of course also possible that scheme, but this scheme
Lower pellet guide pad is preferably " convex " inversion of above-mentioned upper pellet guide pad 42, and lower pellet guide pad can just be prevented to be detached from this way
Upper pellet guide groove.
Preferred structure is: mold core unit 3 has elastic component 7, and elastic component 7 is assemblied between pellet 4 and lower pellet 5.
The preferred spring of elastic component 7, is used as pressure spring in this patent, preferably two springs 7, and two springs 7 set up separately upper
The two sides of pellet guide pad 42, and under the premise of upper pellet mating surface 41 and lower pellet mating surface 51 are agreed with completely, spring 7
Central axis is parallel with upper pellet mating surface 41, lower pellet mating surface 51.The presence of elastic component 7 is by 4 He of pellet on significant increase
The matching property of lower pellet 5, in progressive die on pellet 4 mainly pushed by elastic component 7 under 5 going straight ahead of pellet, upper pellet 4 pushes away
7 compression accumulation of energy of elastic component when dynamic lower pellet 5 declines；Pellet 5 rises under the longitudinal pulling of pellet 4 on when upper pellet 4 moves back mould, elasticity
Part 7, which is released, can assist pellet 4 to pull lower pellet 5, so that engagement process is smooth.
Preferred structure is: quiet mould 2 has newel 21, and 21 position-limiting action of newel is in lower pellet 5.When mold core unit 3
When using upper pellet 4 and lower pellet 5 as specific structure, quiet mould 2, which passes through, combines 21 position-limiting action of newel, and upper pellet 4 pushes
Lower 5 progressive die of pellet can be considered as progressive die node, the impetus knot of upper pellet 4 until lower pellet 5 abuts newel 21 at this time
The position-limiting action of newel 21 is closed, the collective effect of the two declines lower pellet 5, can effectively improve fitment stability.
Preferred structure is: upper pellet 4 and the linkage assembly of lower pellet 5.So-called linkage assembly specifically includes two kinds of sides
Formula: first is that upper pellet 4 drives the transverse linkage of lower pellet 5；Second is that upper 4 transverse movement of pellet drives lower 5 longitudinal movement of pellet
Conversion linkage.
In conjunction with progressive die or moves back mold process linkage is illustrated:
(1), progressive die starts the stage until progressive die node, upper pellet 4 and lower 5 transverse linkage of pellet, progressive die node until
The stage that progressive die terminates, upper pellet 4 and the conversion linkage of lower pellet 5；
(2), it moves back mould and starts stage until moving back mould node, upper pellet 4 and the conversion linkage of lower pellet 5；Move back mould node until
It moves back the stage that mould terminates, upper pellet 4 and lower 5 transverse linkage of pellet.
In above-mentioned conversion linkage move back mould start until the stage for moving back mould node can be referred to as mold core unit 3 move back mould connection
Dynamic assembly, with the mechanism being especially arranged: upper pellet 4 has gear access slot 45, and there is lower pellet 5 gear to connect block 55, and gear connects block 55
In gear access slot 45, specifically keeps off access slot 45 and have and be large enough to hold gear and connect the movable space wherein of block 55, when moving back mould and starting,
Gear connects block 55 and gear access slot 45 is relatively movable, until lower pellet 5 return to former longitudinal height condition move back mould node, gear connects block at this time
55 have been positioned at the end end of gear access slot 45, and upper pellet 4 continues transverse movement, connect supporting for block 55 by the end end and gear that keep off access slot 45
It connects effect and drives lower 5 transverse linkage of pellet.
It can be seen that gear access slot 45 is setting in upper pellet guide pad 42, and gear, which connects block 55, to be arranged in lower pellet guide groove
52, compact-sized, cooperation is reliable.
Quiet mould 2 includes annular surface 22, annular surface 22 and the static assembly of newel 21, and lower pellet 5 has lower surface camber 53.
Annular surface 22 refers to the circle around centrally disposed column 21, and its surface has curvature, and lower surface camber 53
It combines, forms gap when dynamic model 1 and quiet mould 2 mold, and form disk 121 and song in the aforementioned shroud with surface modeling
The shroud 12 of the outer disk 122 of the shroud of face moulding.
Quiet mould 2 includes multiple mold core units 3, and the gap between two adjacent mold core units 3 is used to form the leaf of centrifugal impeller
Piece 13.
Dynamic model 1 has dynamic model die cavity 19, and dynamic model die cavity 19 is when dynamic model 1 and quiet mould 2 are molded by the upper part of newel 21
And the upper part of all mold core units 3 is included, between the bottom surface and newel 21 and upper pellet 4 of dynamic model die cavity 19 between
Gap is used to form centrifugal impeller hub disk 11.
Newel 21 has newel cavity 211.Metal reel can be directly placed into before injection molding in newel cavity 211
14, so that passing through the corresponding portion of shroud 11 reinforces through-hole 143, metal reel 14 is assemblied among centrifugal impeller by package.
Quiet mould 2 has quiet mould guide groove 23, and there is upper pellet 4 upper pellet to extend guide pad 44, and upper pellet extends guide pad
44 and quiet 23 slidable fit of mould guide groove.
Quiet mould 2 also sets up power mechanism, and specifically upper pellet 4 is connected with for promoting its progressive die or moving back the power of mould
Mechanism, power mechanism include oil cylinder 8 and the piston rod matched with oil cylinder 89, and oil cylinder 8 is fixed on quiet mould guide groove 23, piston rod
9, which extend 44 phase of guide pad with upper pellet, fixes.
Claims (3)
1. the mold for manufacturing centrifugal impeller, including dynamic model and quiet mould, quiet mould includes mold core unit, and mold core unit has longitudinal
High variable quantity, it is characterised in that: mold core unit includes upper pellet and lower pellet, and lower pellet has longitudinal high variable quantity,
Upper pellet have laterally movable path, the laterally movable linear moulding in path,
Upper pellet has upper pellet mating surface, and lower pellet has lower pellet mating surface,
Mold core unit has elastic component, and elastic component is assemblied between pellet and lower pellet,
Quiet mold has a newel, newel position-limiting action in lower pellet,
Upper pellet mating surface and lower pellet mating surface are in planar design respectively, and are respectively relative to laterally movable path inclination,
Upper pellet and the linkage assembly of lower pellet,
(1), progressive die starts the stage until progressive die node, upper pellet 4 and lower 5 transverse linkage of pellet, and progressive die node is until progressive die
The stage of end, upper pellet 4 and the conversion linkage of lower pellet 5；
(2), it moves back mould and starts stage until moving back mould node, upper pellet 4 and the conversion linkage of lower pellet 5；Mould node is moved back until moving back mould
The stage of end, upper pellet 4 and lower 5 transverse linkage of pellet.
2. according to claim 1 for manufacturing the mold of centrifugal impeller, it is characterised in that: upper pellet is oriented to upper pellet
Block, lower pellet have lower pellet guide groove, upper pellet guide pad and lower pellet guide groove slidable fit.
3. according to claim 1 for manufacturing the mold of centrifugal impeller, it is characterised in that: upper pellet is oriented to upper pellet
Slot, lower pellet have lower pellet guide pad, upper pellet guide groove and lower pellet guide pad slidable fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710912608.5A CN107471547B (en) | 2017-09-29 | 2017-09-29 | For manufacturing the mold of centrifugal impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710912608.5A CN107471547B (en) | 2017-09-29 | 2017-09-29 | For manufacturing the mold of centrifugal impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107471547A CN107471547A (en) | 2017-12-15 |
| CN107471547B true CN107471547B (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710912608.5A Active CN107471547B (en) | 2017-09-29 | 2017-09-29 | For manufacturing the mold of centrifugal impeller |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102546910B1 (en) | 2019-09-25 | 2023-06-23 | 아쏘마 아이엔씨. | 3D plastic impeller manufacturing method and impeller for centrifugal pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63171242A (en) * | 1987-01-08 | 1988-07-15 | Nissan Motor Co Ltd | Mold for forming impeller blade type rotary body |
| JP2006161635A (en) * | 2004-12-06 | 2006-06-22 | Matsuda Kanagata Kogyo Kk | Impeller of centrifugal fan, mold and molding method thereof |
| CN1842657A (en) * | 2004-05-28 | 2006-10-04 | 株式会社安来制作所 | Impeller for supercharger and method of manufacturing the same |
| CN102264525A (en) * | 2008-12-24 | 2011-11-30 | 格伦德福斯管理联合股份公司 | Method for injection molding a pump impeller and pump impeller |
| CN203527739U (en) * | 2013-08-14 | 2014-04-09 | 无锡永兴机械制造有限公司 | Rubber thin-vane pressing wheel mold |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672891B (en) * | 2012-05-07 | 2014-06-04 | 乐清市鲲鹏五金有限公司 | Centrifugal fan blade injection moulding die |
| CN104210070B (en) * | 2014-09-18 | 2016-04-27 | 重庆长安汽车股份有限公司 | A kind of automobile outer rear-view mirror shell core-pulling die |
-
2017
- 2017-09-29 CN CN201710912608.5A patent/CN107471547B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63171242A (en) * | 1987-01-08 | 1988-07-15 | Nissan Motor Co Ltd | Mold for forming impeller blade type rotary body |
| CN1842657A (en) * | 2004-05-28 | 2006-10-04 | 株式会社安来制作所 | Impeller for supercharger and method of manufacturing the same |
| JP2006161635A (en) * | 2004-12-06 | 2006-06-22 | Matsuda Kanagata Kogyo Kk | Impeller of centrifugal fan, mold and molding method thereof |
| CN102264525A (en) * | 2008-12-24 | 2011-11-30 | 格伦德福斯管理联合股份公司 | Method for injection molding a pump impeller and pump impeller |
| CN203527739U (en) * | 2013-08-14 | 2014-04-09 | 无锡永兴机械制造有限公司 | Rubber thin-vane pressing wheel mold |
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| CN107471547A (en) | 2017-12-15 |
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Effective date of registration: 20190130 Address after: 325000 Mei'ao Village, Qiaoxia Town, Yongjia County, Wenzhou City, Zhejiang Province, 29 Jiangxi Road Applicant after: Yongjia Tongyang Environmental Protection Technology Co., Ltd. Address before: 325000 Mei Lan, Qiaoxia Town, Yongjia County, Wenzhou City, Zhejiang Province, 102 Jiangxi Road Applicant before: Yongjia County plastic plastic industry Co., Ltd. |
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