CN107471547A - For manufacturing the mould of centrifugal impeller - Google Patents
For manufacturing the mould of centrifugal impeller Download PDFInfo
- Publication number
- CN107471547A CN107471547A CN201710912608.5A CN201710912608A CN107471547A CN 107471547 A CN107471547 A CN 107471547A CN 201710912608 A CN201710912608 A CN 201710912608A CN 107471547 A CN107471547 A CN 107471547A
- Authority
- CN
- China
- Prior art keywords
- pellet
- mould
- centrifugal impeller
- core rod
- rod unit
- 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.)
- Granted
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Classifications
-
- 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 mould for being used to manufacture centrifugal impeller.Technical scheme provided by the invention is：Including dynamic model and quiet mould, quiet mould includes core rod unit, and core rod unit has longitudinal high variable quantity.Technical scheme beneficial effect is：Due to longitudinal high variable quantity be present in core rod unit, mean that it has Longitudinal extending or the special-effect of longitudinal compression in space, be able to will so solve foregoing because of a series of technical barriers for longitudinally highly immobilizing and bringing, especially progressive die step or move back mould step and will become easy, can solve longitudinal height change at some positions of centrifugal impeller and have to select hand-built technical barrier, processing is more convenient, production efficiency is higher, processed especially suitable for batch production, and it is easily worked out integrally formed centrifugal impeller, now the intensity of centrifugal impeller depends entirely on material self-strength, no longer cause fracture hidden danger occur because of the intensity of connecting portion deficiency.
Description
Technical field
The present invention relates to the mould of manufacture centrifugal impeller.
Background technology
It is air inlet through hollow shaft that centrifugal impeller, which refers to, radial direction air-out, is done work using centrifugal force (depending on rotating speed and external diameter), carries air
The wind wheel of high pressure.The mould of conventionally manufactured centrifugal impeller, due to can only laterally retreat, longitudinal height change be present in manufacture
During centrifugal impeller, it has to using independently being manufactured by multiple moulds to its privileged site respectively, then pass through
The position welding that handwork again obtains abovementioned steps is integral.Waste time and energy, production efficiency is low, and it is raw to be not suitable for batch
Production, and the attachment structure intensity of multiple positions welding is relatively low, does not reach the performance requirement of some use occasions.
The content of the invention
For this purpose, the present invention provides the adaptable mould for being used to manufacture centrifugal impeller.
Technical scheme provided by the invention is：Including dynamic model and quiet mould, quiet mould includes core rod unit, and core rod unit has vertical
To high variable quantity.
Technical scheme beneficial effect is：Due to there is longitudinal high variable quantity in core rod unit, it is meant that it has
Have Longitudinal extending in space or the special-effect of longitudinal compression, then be able to will solve it is foregoing because longitudinal direction highly immobilize and
A series of technical barriers brought, especially progressive die step move back mould step and will become easy, can solve to fall centrifugal impeller
Longitudinal height change at some positions and have to select hand-built technical barrier, processing is more convenient, and production efficiency is higher,
Processed especially suitable for batch production, and be easily worked out integrally formed centrifugal impeller, now the intensity of centrifugal impeller is complete
Depending on material self-strength, no longer cause fracture hidden danger occur because of the intensity of connecting portion deficiency.
The present invention is described in further detail with reference to the accompanying drawings and examples.
Brief description of the drawings
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 for the structure chart for the mould for manufacturing 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 core rod 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 core rod unit 3.
Figure 13 is that upper pellet 4 and lower pellet 5 coordinate caused longitudinal height change schematic diagram.
Embodiment
The centrifugal impeller that Fig. 1 to Fig. 4 is represented, including shroud 12, blade 13, hub disk 11, shroud 12 and hub disk 11 are to be located at
Two discoid bodies of blade both sides about 13, it forms 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 the word that so-called upper and lower, height, transverse direction, longitudinal direction etc. are related to orientation in the present invention be all with
Represented direction is described for standard in accompanying drawing, and does not mean that direction when really assembling or running, and it should
When understanding general direction, and the absolute value that should not necessarily be limited on geometric meaning, because a little error of assembling is absolute being
And should be allowed to.
As can be seen that the hollow formation air inlet of shroud 12, the spatial distribution between shroud 12 and hub disk 11 He of blade 13
Air outlet, distinguished and admirable to be left from the entrance of shroud 12 from the air outlet between blade 13, shroud 12 is used to collect distinguished and admirable and be lifted and inhaled
Power, the present invention is so-called to be integrally formed the manufacturing process for referring to that time processing just completes.
Shroud 12, blade 13, hub disk 11 are plastic material.More precisely, it is integrally formed and is produced by Shooting Technique
Product, production cost is effectively reduced, lift yield.
Hub disk 11 has card 111 in hub disk, and card 111 is planar design in hub disk.After card 111 refers in hub disk
Disk 11 is towards the medial surface of the side of impeller 13, and so-called plane should be understood to include 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 card 112 backwards to impeller 13 certainly, right
The surface configuration of outer card 112 does not do specific requirement.
Shroud 12 includes the outer card 122 of card 121 and shroud in shroud, and card 121 and the outer card 122 of shroud are divided in shroud
Not Wei surface modeling, card 121 refers to shroud 12 towards the medial surface of the side of impeller 13 wherein in shroud, and the outer card of shroud
122 refer to the lateral surface backwards to impeller 13.So-called curved surface is used it is generally understood that it is in curved shape that i.e. the surface, which is, herein
, more specifically it is reclinate moulding in Fig. 2, more precisely curves inwardly and downwardly, is advantageous to make wind circulation
Road is integrally smooth, and then lifts 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 parcel assembling of hub disk 11, the 11 exposed assembling of motor department of assembly 142 and hub disk.So-called parcel assembling refers to
Impeller department of assembly 141 is wrapped in assembly relation therein by hub disk 11 completely, and exposed assembling 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
The mode of setting motor department of assembly 142 can just bear the intensity needed for motor high-speed rotation.
Impeller department of assembly 141 includes strengthening through hole 143, hub disk 11 and the interspersed assembling of reinforcement through hole 143.Hub disk 11 it is corresponding
Partially pass through and strengthen through hole 143 so that metal reel 14 and the enlarged contact areas of hub disk 11, both stable connections can be strengthened
Property, and the stress that can carry out motor rotational band is dissolved.It will be filled out completely when shroud 11 is integrally formed by Shooting Technique after especially
Completely strengthen through hole 143, so as to complete the stable assembling with metal reel 14.
The Die Embodiment for being used to manufacture centrifugal impeller that Fig. 5 to Figure 13 is represented, including dynamic model 1 and quiet mould 2, quiet mould 2 wrap
Core rod unit 3 is included, core rod unit 3 has longitudinal high variable quantity.Dynamic model 1 can carry out the height change activity in space, letter
Singly say to be to be lifted relative to quiet mould 2, dynamic model 1 decline until and the 2-in-1 mould of quiet mould, complete manufacture after dynamic model 1 rise until and
Quiet mould 2 divides mould.Quiet mould 2 it is overall 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, core rod unit 3 has laterally movable path a.The laterally movable path a of core rod unit 3 is linear,
What some point on core rod unit 3 was done in space is exactly to move along a straight line, and movement locus is both laterally movable path a.It is so-called
The laterally movable path of straight line should be understood to substantially linear, and be not construed as the absolute straight line on geometric meaning because
Fine error during assembling is unavoidable.
Preferably, longitudinal high variable quantity of the core rod unit 3 of the present embodiment is associated with laterally movable path a
, it will start to act longitudinal height change mistake in its own in some nodes of the laterally movable process of core rod unit 3
Journey.Specifically：
(1), the going straight ahead of core rod unit 3 during progressive die, until progressive die node, acts the propelled longitudinally work in its own
With core rod unit 3 produces longitudinal extending amount so that its overall longitudinal direction height increases；
(2) straight line of core rod unit 3 drives in the wrong direction when, moving back mould, equally acts the propelled longitudinally effect in its own, core rod list
Member 3 produces longitudinal compression amount so that its overall longitudinal height reduction and return to former longitudinal height condition, can smoothly complete and move back
Mould.
The further structure of core rod unit 3 is：Core rod unit includes upper pellet 4 and lower pellet 5, and lower pellet 5 has longitudinal direction
High variable quantity.Lower pellet 5 with longitudinal high variable quantity and core rod unit 3 with longitudinal high variable quantity expressed by longitudinal direction
High variable quantity is meant that identical, and when selecting this structure, longitudinal height change of core rod unit 3 will be obtained by lower pellet 5
To realize.
More particularly, upper pellet 4 has laterally movable path a, the laterally movable linear moulding of path a.Upper pellet 4
Longitudinal height is constant, and upper pellet 4 also only has transverse movement, and now longitudinal high variable quantity of core rod unit 3 will pass through
The transverse movement of upper pellet 4 is achieved with reference to lower pellet 5, i.e., will be opened in some nodes of the laterally movable process of upper pellet 4
Begin to act longitudinal height change process in lower pellet 5, it is rational in infrastructure reliable.
More specifically 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 for 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 promote under the going straight ahead of pellet 5, until progressive die
Node, upper pellet mating surface 41 produce the propelled longitudinally effect for lower pellet 5 so that upper pellet 4 it is highly constant and under
Pellet 5 declines so that the overall longitudinal direction height of core rod unit 3 increases；Pellet mating surface 41 produces pin on when upper pellet 4 moves back mould
To longitudinal pulling function of lower pellet 5, the highly constant and lower pellet 5 of upper pellet 4 rises so that the overall longitudinal direction of core rod unit 3
Highly reduce.
The selection of upper pellet mating surface 41 and lower pellet mating surface 51 is diversified, and both can agree 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
Tilted relative to laterally movable path a.More optimizedly both agree with completely, and gradient is consistent, then can cause pellet
Mating surface 41 drives process more smooth for the conflict of lower pellet mating surface 51, coordinates relatively reliable.Similarly plane herein
Should also be as be general plane understanding.
Preferably 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 the lower slidable fit of pellet guide groove 52.Slidable fit herein is expressed as pellet guide pad 42 can be under
The implication 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 sets lower pellet gear to connect block 54, and itself and the lower equal length of pellet guide groove 52, as lower pellet is oriented to
Groove 52 extends, and so upper pellet guide pad 42 can not depart from lower pellet guide groove 52 from top, and positioning is more accurate, coordinates more
Reliably.
Certain accommodation can certainly be done to said structure, i.e., in upper pellet 4 there is upper pellet guide groove (not marked in figure
Show), lower pellet 5 has lower pellet guide pad (not indicated in figure), upper pellet guide groove and lower pellet guide pad slidable fit.I.e.
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, so can just prevent lower pellet guide pad from departing from
Upper pellet guide groove.
Preferably structure is：The flexible part 7 of core rod unit 3, elastic component 7 are assemblied between pellet 4 and lower pellet 5.
7 preferred spring of elastic component, is used as stage clip in this patent, preferably two springs 7, and two springs 7 set up separately upper
The both sides of pellet guide pad 42, and on 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 the He of pellet on significant increase 4
The matching property of lower pellet 5, in progressive die on pellet 4 mainly promoted by elastic component 7 under the going straight ahead of pellet 5, upper pellet 4 pushes away
The compression accumulation of energy of elastic component 7 when dynamic lower pellet 5 declines；Pellet 5 rises under the longitudinal direction of pellet 4 pulls 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.
Preferably structure is：Quiet mould 2 has newel 21, and the position-limiting action of newel 21 is in lower pellet 5.When core rod unit 3
During using upper pellet 4 and lower pellet 5 as concrete structure, quiet mould 2 is promoted by combining the position-limiting action of newel 21, upper pellet 4
The lower progressive die of pellet 5, until lower pellet 5 abuts newel 21, it can now be considered as progressive die node, the impetus knot of upper pellet 4
The position-limiting action of newel 21 is closed, both collective effects cause lower pellet 5 to decline, can effectively improve fitment stability.
Preferably structure is：Upper pellet 4 and the linkage assembling of lower pellet 5.So-called linkage assembling specifically includes two kinds of sides
Formula：First, upper pellet 4 drives the transverse linkage of lower pellet 5；Second, the upper transverse movement of pellet 4 drives the lower lengthwise movement of pellet 5
Conversion linkage.
With reference to progressive die or move back mold process to linkage be illustrated：
(1), progressive die starts until the stage of progressive die node, upper pellet 4 and the lower transverse linkage of pellet 5, progressive die node until
The stage that progressive die terminates, upper pellet 4 and the conversion linkage of lower pellet 5；
(2), move back mould and start stage until moving back mould node, upper pellet 4 and the conversion linkage of lower pellet 5；Move back mould node until
Move back the stage that mould terminates, upper pellet 4 and the lower transverse linkage of pellet 5.
In above-mentioned conversion linkage move back mould start until the stage for moving back mould node can be referred to as core rod unit 3 move back mould connection
Dynamic assembling, has the mechanism especially set: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 keep off access slot 45 and have and is large enough to hold gear and connects 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, now gear connecing block
55 have been positioned at keeping off the end end of access slot 45, and upper pellet 4 continues transverse movement, and supporting for block 55 is connect by the end end and gear that keep off access slot 45
Connect effect and drive the lower transverse linkage of pellet 5.
It can be seen that gear access slot 45 is provided in pellet guide pad 42, and gear connects block 55 and is provided in lower pellet guide groove
52, it is compact-sized, coordinate reliable.
Quiet mould 2 includes annular surface 22, the 21 static assembling of annular surface 22 and newel, and lower pellet 5 has lower surface camber 53.
Annular surface 22 refers to the circle around the centrally disposed post 21, and its surface carry curvature, itself and lower surface camber 53
It is combined, forms gap in dynamic model 1 and the 2-in-1 mould of quiet mould, and form card 121 and song in the foregoing shroud with surface modeling
The shroud 12 of the outer card 122 of the shroud of face moulding.
Quiet mould 2 includes multiple core rod units 3, and the gap between two adjacent core rod units 3 is used for the leaf for forming centrifugal impeller
Piece 13.
Dynamic model 1 has a dynamic model die cavity 19, and dynamic model die cavity 19 is in dynamic model 1 and the 2-in-1 mould of quiet mould by the upper part of newel 21
And the upper part of all core rod units 3 is included, between the bottom surface of dynamic model die cavity 19 and newel 21 and upper pellet 4 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 in newel cavity 211
14, so that the appropriate section of shroud 11 is wrapped and is assemblied among centrifugal impeller through through hole 143, metal reel 14 is strengthened.
Quiet mould 2 has quiet mould guide groove 23, and upper pellet 4 has upper pellet extension guide pad 44, and upper pellet extends guide pad
44 and the quiet slidable fit of mould guide groove 23.
Quiet mould 2 also sets up actuating unit, and specifically upper pellet 4 is connected with for promoting its progressive die or moving back the power of mould
Mechanism, actuating unit include oil cylinder 8 and the piston rod 9 being engaged with oil cylinder 8, and oil cylinder 8 is fixed on quiet mould guide groove 23, piston rod
9 fix with the upper pellet extension phase of guide pad 44.
Claims (10)
1. the mould for manufacturing centrifugal impeller, including dynamic model and quiet mould, it is characterised in that：Quiet mould includes core rod unit, core rod
Unit has longitudinal high variable quantity.
2. the mould according to claim 1 for being used to manufacture centrifugal impeller, it is characterised in that：Core rod unit includes upper pellet with
Pellet, lower pellet have longitudinal high variable quantity.
3. the mould according to claim 2 for being used to manufacture centrifugal impeller, it is characterised in that：Upper pellet has laterally movable road
Footpath, the laterally movable linear moulding in path.
4. according to the mould for being used to manufacture centrifugal impeller of Claims 2 or 3, it is characterised in that：There is upper pellet upper pellet to match somebody with somebody
Conjunction face, lower pellet have lower pellet mating surface.
5. the mould according to claim 4 for being used to manufacture centrifugal impeller, it is characterised in that：Upper pellet mating surface and lower pellet are matched somebody with somebody
Conjunction face is in planar design respectively, and is respectively relative to laterally movable path and tilts.
6. according to the mould for being used to manufacture centrifugal impeller of Claims 2 or 3, it is characterised in that：There is upper pellet upper pellet to lead
To block, lower pellet has lower pellet guide groove, upper pellet guide pad and lower pellet guide groove slidable fit.
7. according to the mould for being used to manufacture centrifugal impeller of Claims 2 or 3, it is characterised in that：There is upper pellet upper pellet to lead
To groove, lower pellet has lower pellet guide pad, upper pellet guide groove and lower pellet guide pad slidable fit.
8. according to the mould for being used to manufacture centrifugal impeller of Claims 2 or 3, it is characterised in that：The flexible part of core rod unit,
Elastic component is assemblied between pellet and lower pellet.
9. according to the mould for being used to manufacture centrifugal impeller of Claims 2 or 3, it is characterised in that：Upper pellet and the linkage of lower pellet
Assembling.
10. according to the mould for being used to manufacture centrifugal impeller of Claims 2 or 3, it is characterised in that：It is characterized in that：Quiet mould
There is newel, newel position-limiting action is in lower pellet.
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 true CN107471547A (en) | 2017-12-15 |
| CN107471547B CN107471547B (en) | 2019-03-19 |
Family
ID=60605393
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107471547B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021056258A1 (en) | 2019-09-25 | 2021-04-01 | 协磁股份有限公司 | Method for manufacturing three-dimensional plastic impeller of centrifugal pump and structure thereof |
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| 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 |
| CN102672891A (en) * | 2012-05-07 | 2012-09-19 | 乐清市鲲鹏五金有限公司 | Centrifugal fan blade injection moulding die |
| 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 |
| CN104210070A (en) * | 2014-09-18 | 2014-12-17 | 重庆长安汽车股份有限公司 | Core pulling mould of automobile outside rear-view mirror |
-
2017
- 2017-09-29 CN CN201710912608.5A patent/CN107471547B/en active Active
Patent Citations (7)
| 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 |
| CN102672891A (en) * | 2012-05-07 | 2012-09-19 | 乐清市鲲鹏五金有限公司 | Centrifugal fan blade injection moulding die |
| 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 |
| CN104210070A (en) * | 2014-09-18 | 2014-12-17 | 重庆长安汽车股份有限公司 | Core pulling mould of automobile outside rear-view mirror |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021056258A1 (en) | 2019-09-25 | 2021-04-01 | 协磁股份有限公司 | Method for manufacturing three-dimensional plastic impeller of centrifugal pump and structure thereof |
| US11739642B2 (en) | 2019-09-25 | 2023-08-29 | Assoma Inc. | Manufacturing method of 3-dimensional plastic impeller of centrifugal pump and the impeller |
| EP4345315A2 (en) | 2019-09-25 | 2024-04-03 | Assoma Inc. | Method for manufacturing three-dimensional plastic impeller of centrifugal pump and structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107471547B (en) | 2019-03-19 |
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