CN208593000U - The molding die of impeller - Google Patents
The molding die of impeller Download PDFInfo
- Publication number
- CN208593000U CN208593000U CN201820849677.6U CN201820849677U CN208593000U CN 208593000 U CN208593000 U CN 208593000U CN 201820849677 U CN201820849677 U CN 201820849677U CN 208593000 U CN208593000 U CN 208593000U
- Authority
- CN
- China
- Prior art keywords
- die
- bed die
- mandrel
- impeller
- patch
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to impeller forming dies, it is made of bed die, cavity, bed die mandrel, inserts mandrel, the concave station of the upper end setting nick shaped of bed die, radial communication between the inside and bed die middle pocket of concave station, the outer end of patch plate or the upper and lower superposed type arrangement of block and radial direction has caudal peduncle to be placed in the concave station, the inner end of the radial direction of patch plate or block, which is taken, sets on the step surface of bed die mandrel, the lower end of the die sleeve of the upper end and cannula-like of bed die is connected, and upper die is located in die sleeve and is set on inserts mandrel.The position of patch plate or block is positioned by reliably accurate, be ensure that impeller obtains to meet and is related to the runner of quality and performance requirement, the utility model has the advantages that Impeller Shaping rate is high, mold is simple.
Description
Technical field
The utility model relates to molding dies, are especially the molding die of the impeller of pump.
Background technique
Centrifugal pumping medium is extremely widespread in industrial and agricultural production, but in the medium of special industry conveying to pump flow passage
The material and structural requirement of part are extremely stringent.Some fields need to pump the medium of special composition, such as Baosteel, Anshan iron and steel plant Large Steel
Iron enterprise needs to pump conveying pickling solution when producing high-grade cold rolled automobile plate or high-end silicon steel plate, ingredient is 20% concentrated hydrochloric acid
Or the mixed acid such as hydrofluoric acid, temperature are 80 DEG C -100 DEG C, the flow of pumped (conveying) medium reaches 250m3/h, and lift relatively up to arrives 100m,
The metal pump of common material is not available, and the metal pump of only a few special material can be used reluctantly, but also because service life is short,
It is at high cost and without actual use be worth.Generally all use plastic pump.
Therefore, although plastic centrifugal pump is compared with the centrifugal pump of metal material has widened its use scope, its plastics material
Matter molding, especially its key components impeller, the structure of the component directly affect the service performance of pump, but general plastics
Impeller is limited its runner inlet and outlet width by moulding process will not be mutually far short of what is expected, and impeller outer diameter will not be too big.Impeller by
Blade and front/rear cover board group are at the impeller pumping efficiency of the closed type structure is higher, and manufacture difficulty is larger, applies in centrifugal pump
At most.
For the impeller of steel material, then it can be achieved on using forming methods such as sand mold mould or evaporative patterns.
When impeller uses plastic material, the forming methods such as above-mentioned sand mold mould or evaporative pattern then be cannot achieve.
In the prior art, the scheme of currently used compression molding, i.e., when plastic grain melting injection type chamber and using pressure
Modeling scheme form when, due to correspond to runner component, that is, seben or patch die casting after need to take out, thus define runner
Shape can only be more simpler better, common shaft orientation liquid feeding runner and radial direction the junction for going out liquid stream road it is too simple,
I.e. joining place is connected in vertical manner, thus considerably increases flow resistance, reduces the working efficiency of pump.
Utility model content
The purpose of this utility model is to provide a kind of impeller forming dies, it is intended to improve the molding and design of impeller channel
Performance height is consistent, and improves Forming Quality and reduces flow resistance really.
To achieve the above object, the technical solution adopted in the utility model is a kind of molding die of impeller, including bed die,
There is cavity in the middle part of bed die, bed die mandrel is disposed on cavity center lumen bottom, inserts mandrel is located above bed die mandrel, and feature exists
In: the concave station of the upper end setting nick shaped of the bed die, radial communication between the inside and bed die middle pocket of concave station, patch
The outer end of plate or the upper and lower superposed type arrangement of block and radial direction has caudal peduncle to be placed in the concave station, the radial direction of patch plate or block
The inner end in direction, which is taken, sets on the step surface of bed die mandrel, and the lower end of the die sleeve of the upper end and cannula-like of the bed die is connected,
Upper die is located in die sleeve and is set on inserts mandrel.
In above scheme, physical location occupied by patch plate or block is exactly the flow passage area of impeller after molding, so
Its position is kept to determine in forming process of crucial importance, its shape and position directly determine the hydrodynamic performance of runner,
The caudal peduncle of the outer end of patch plate or block radial direction, which is placed in concave station, limits the displacement of its radial direction and circumferential direction, simultaneously
The inner end of radial direction, which is taken, sets on the step surface of bed die mandrel, so, in the axially position of concave station and the step of bed die mandrel
Under the action of face, the axial position of patch plate or block also achieves accurate positioning.It follows that mold provided by the utility model
The impeller of machine-shaping has the hydrodynamic performance for significantly reducing flow resistance.
Detailed description of the invention
Fig. 1 is the structure principle chart of the utility model；
Fig. 2 is machined to the structure chart of the impeller of type；
Structural schematic diagram when Fig. 3 is utility model molding impeller；
Fig. 4 is the structure chart of patch in the utility model, packaged timing；Fig. 5 is the bottom view of Fig. 4；
Fig. 6 is the structure of the ring in the utility model；
Fig. 7 is the top view of Fig. 6；
Fig. 8 is the structural schematic diagram of the molding die indsole mold core axis of impeller.
Specific embodiment
In conjunction with Fig. 1, the molding die of impeller includes bed die 10, there is cavity in the middle part of bed die 10, and cavity center lumen is arranged on bottom
There is bed die mandrel 20, inserts mandrel 30 is located at 20 top of bed die mandrel, and the concave station of nick shaped is arranged in the upper end of the bed die 10,
Radial communication between 10 middle pocket of inside and bed die of concave station, patch plate or the upper and lower superposed type of block 40 arrangement and radial direction
Outer end there is caudal peduncle 41 to be placed in the concave station, the inner end of the radial direction of patch plate or block 40, which is taken, sets in bed die mandrel 20
On step surface, the lower end of the die sleeve 50 of the upper end and cannula-like of the bed die 10 is connected, upper die 60 be located in die sleeve 50 and
It is set on inserts mandrel 30.
In above scheme after associated components assembly, corresponding chamber A is formd, chamber A is the shaping area of impeller 1
Domain, for the basic structure of impeller 1 after molding as shown in Fig. 2, the impeller 1 is built-in with inserts 2, inserts 2 can be understood as impeller 1
Skeleton to enhance its mechanical property.Mold provided by the utility model efficiently solves runner profiled part i.e. patch plate
Or the fixation problem of block 40, while it being facilitated to take out out of runner after molding.Flow channel shape molding in this way, posture and position
It can realize design requirement.
Preferably, the patch plate or block 40 include upper patch 41, middle seben 42 and lower chock 43, lower chock
Circumferential lateral surface between 43 upper face and lower face is the arc-shaped transitional surface 431 of indent, is arrived outside the upper face of lower chock 43
The distance of central spindle is greater than the distance that central spindle is arrived outside lower face.In above scheme, it is provided with lower chock 43 and in its peripheral side
Face is designed to arc-shaped transitional surface 431, and runner thus may be implemented from axial end portion inlet and outer radial periphery portion edge and go out liquid
Round and smooth runner inner wall is showed between mouthful, flow resistance small ideal form when this is clearly fluid flowing.
In conjunction with Fig. 4,5, there is the connection of bolt 70 between the middle seben 42 and lower chock 43, the bolt 70 is from lower plug
The lower end of block 43 is upwardly extended to be connected with the tapped blind hole being arranged on middle seben 42.When being closed type structure for impeller 1,
The runner opposing straight positioned at radial direction between forward and backward cover board, and arranged by involute shape spacing with blades, so impeller
The flow channel shape at 1 middle part forms relatively easy realization, and difficult is then the runner of the intermediate location between axial direction and radial direction
It forms, the molding that lower chock 43 is used to correspond to the intermediate location between axial direction and radial direction has been added in the utility model, in view of under
Fixed difficult problem, the utility model will have bolt 70 to connect between middle seben 42 and lower chock 43 in other words for the positioning of chock 43
Connect, at the same use arrangement of the bolt 70 from the lower end of lower chock 43, it can be ensured that middle seben 42 and lower chock 43 connection with
Separation, in this organization plan, only upper patch 41, middle seben 42 caudal peduncle 411,421 be fixed on concave station position and can be realized
The patch plate of the composition of patch 41, middle seben 42 and lower chock 43 or the outer end of block 40 secure.
Above-mentioned technical solution solves the problems, such as the axial to radial runner intermediate shape of front shroud side, below excellent
Select scheme then and be the axial runner intermediate shape to radial direction for further solving the problems, such as back shroud side, the upper patch 41, in
The inner end side of seben 42 is the arc-shaped transitional surface 44 of continuous evagination and curved surface in axial direction transition from top to bottom.
The inner end side of the upper patch 41, middle seben 42 is the arc-shaped transitional surface 44 of continuous evagination, arc-shaped transitional surface
44 with the arc surface 221 of the evagination in the upper port of the tube body 22 of bed die mandrel 20 is smooth postpones.In the pipe of bed die mandrel 20
221 transition of arc surface is arranged in the upper port in body portion 22, and is continuous with the inner end side of the upper patch 41, middle seben 42
Evagination arc-shaped transitional surface 44 combine, realize shaft orientation liquid feeding turn to raidal drainage transitional region back shroud side runner
Smooth shape accommodates lower chock 43 as shown, the stepped portions in 22 outside of tube body have reserved local space just, in this way
The inner end support zone of patch plate or block 40 is constituted again.
In order to form impeller 1 middle part connecting hole and axial forward end inlet at the same facilitate dismantling mold with facilitate take out at
Impeller 1 after type, the utility model additionally use following preferred embodiment: bed die mandrel 20 includes the disk body 21 of bottom, disk body 21
Inner spindle 80 is set in the tube body 22 at middle part, tight fixed bolt 90 company's of wearing bed die 10, bed die mandrel 20, inner spindle 80 from bottom to top
It is connected to the lower end of inserts mandrel 30.
The inserts mandrel 30 small, upper big Step Shaft under being, sheathed pipe shell-like on the axle body of the reduced diameter section
Impeller inserts 2, the lower section screw hole of pipe sleeve shape impeller inserts 2 is on the periphery cylinder screw thread of inner spindle 80.
In order to reduce the processing cost of mold, ring 11, the inner ring wall of ring 11 are set in the upper end of the bed die 10
On open up notch 111, the upper end junction of notch 111 and bed die 10 constitutes concave station, and the notch 111 is perpendicular to axial side
Upward profile is the dovetail shaped or C-shaped of closing, the middle patch caudal peduncle of the top plug piece caudal peduncle 411 of upper patch 41, middle seben 42
421 profile and the shape of concave station are coincide.Machining gap is very convenient on ring 11, and ring 11 is then placed on bed die again
10 upper-end part of driving can conveniently constitute concave station position and be used to accommodate top plug piece caudal peduncle 411, middle patch caudal peduncle 421, upper patch
Another operation of caudal peduncle 411, middle patch caudal peduncle 421 exactly takes out upper patch 41, middle seben 42 from runner, facilitates impact
Or the position is clamped to apply external force and the forming surface position of upper patch 41, middle seben 42 will not be damaged.
Pressing plate 61 is connected on 60 upper surface of upper die, 61 edge of pressing plate is depressed into the upper end of die sleeve 50
On face.The structure that pressing plate 61 is connected using upper die 60, can also reduce difficulty of processing, pressing plate 61 presses against the upper end of die sleeve 50
The as pushing restraining position of upper die 60 when at nozzle, the material compacting of molten at this time is in place.
The assembling process and press casting procedure of mold described briefly below:
Bed die 10 is placed on workbench, tight fixed bolt 90 company's of wearing bed die 10, bed die mandrel 20, inner spindle from bottom to top
80 are connected to the lower end of inserts mandrel 30, and inserts 2 has been mounted between inner spindle 80 and inserts mandrel 30 during this, bed die 10
Upper end ring 11, patch plate or the upper and lower superposed type of block 40 arrangement are set and the caudal peduncle 41 of the outer end of radial direction is placed on ring
The notch 111 of circle 11 is simultaneously pressed on the upper surface of bed die 10, and die sleeve 50 is connected with bed die 10 and ring 11 is placed in the two
Between, by set amount down in die sleeve 50, upper die 60 is pushed together with pressing plate 61 is synchronous for the material of molten, to pressing plate 61 with
Die sleeve 50, which contacts pressure injection process, to be terminated, and can be demoulded after cooling and solidifying.When impeller 1 takes out from die cavity, patch plate or block at this time
40 still in the runner of impeller 1, and come loose bolt 70, can be by upper patch 41, middle seben 42 and lower chock 43 successively from impeller
Liquid outlet goes out to take out.The impeller 1 of mold processing provided by the utility model, runner is smooth, and work limitation rate is high, and lift increases,
Meet requirement.
Claims (9)
1. a kind of molding die of impeller, including bed die (10), there is cavity at bed die (10) middle part, and cavity center lumen is disposed on bottom
Bed die mandrel (20), inserts mandrel (30) are located above bed die mandrel (20), it is characterised in that: the upper end of the bed die (10)
The concave station of nick shaped is set, and radial communication between the inside of concave station and bed die (10) middle pocket, patch plate or block (40) are upper and lower
The outer end of superposed type arrangement and radial direction has caudal peduncle to be placed in the concave station, in the radial direction of patch plate or block (40)
End, which is taken, sets on the step surface of bed die mandrel (20), the lower end phase of the die sleeve (50) of the upper end and cannula-like of the bed die (10)
Even, upper die (60) is located in die sleeve (50) and is set on inserts mandrel (30).
2. the molding die of impeller according to claim 1, it is characterised in that: the patch plate or block (40) include upper
Patch (41), middle seben (42) and lower chock (43), the circumferential lateral surface between the upper face and lower face of lower chock (43) is interior
Recessed arc-shaped transitional surface (431), the distance of upper face outside to the central spindle of lower chock (43), which is greater than outside lower face, arrives central spindle
Distance.
3. the molding die of impeller according to claim 2, it is characterised in that: the middle seben (42) and lower chock
(43) have between bolt (70) connection, the bolt (70) from the lower end of lower chock (43) upwardly extend on middle seben (42)
The tapped blind hole of setting is connected.
4. the molding die of impeller according to claim 2 or 3, it is characterised in that: the upper patch (41), middle seben
(42) inner end side is the arc-shaped transitional surface (44) of continuous evagination and curved surface in axial direction transition from top to bottom.
5. the molding die of impeller according to claim 2 or 3, it is characterised in that: the upper patch (41), middle seben
(42) inner end side is the arc-shaped transitional surface (44) of continuous evagination, the tube body of arc-shaped transitional surface (44) and bed die mandrel (20)
(22) arc surface (221) of the evagination in upper port is smooth to postpone.
6. the molding die of impeller according to claim 5, it is characterised in that: bed die mandrel (20) includes the disk body of bottom
(21), inner spindle (80) are set in the tube body (22) in the middle part of disk body (21), tight fixed bolt (90) company's of wearing bed die from bottom to top
(10), bed die mandrel (20), inner spindle (80) are connected to the lower end of inserts mandrel (30).
7. the molding die of impeller according to claim 6, it is characterised in that: the inserts mandrel (30) is small under being,
Upper big Step Shaft, sheathed pipe shell-like impeller inserts (2) on the axle body of the reduced diameter section, pipe sleeve shape impeller inserts (2)
Lower section screw hole is on the periphery cylinder screw thread of inner spindle (80).
8. the molding die of impeller according to claim 1 or 2, it is characterised in that: the upper end of the bed die (10) is set
It sets ring (11), is opened up on the inner ring wall of ring (11) notch (111), the upper end junction structure of notch (111) and bed die (10)
At concave station, the notch (111) is being the dovetail shaped or C-shaped of closing, upper patch perpendicular to the profile on axial direction
(41), the shape of the profile of the caudal peduncle of middle seben (42) and concave station (12) is coincide.
9. the molding die of impeller according to claim 1, it is characterised in that: connect on described upper die (60) upper surface
It is connected to pressing plate (61), the pressing plate (61) edge is depressed on the upper surface of die sleeve (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849677.6U CN208593000U (en) | 2018-05-30 | 2018-05-30 | The molding die of impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849677.6U CN208593000U (en) | 2018-05-30 | 2018-05-30 | The molding die of impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208593000U true CN208593000U (en) | 2019-03-12 |
Family
ID=65600864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820849677.6U Withdrawn - After Issue CN208593000U (en) | 2018-05-30 | 2018-05-30 | The molding die of impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208593000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799329A (en) * | 2021-08-24 | 2021-12-17 | 安徽凯特泵业有限公司 | Liquid outlet section forming die of efficient impeller |
-
2018
- 2018-05-30 CN CN201820849677.6U patent/CN208593000U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799329A (en) * | 2021-08-24 | 2021-12-17 | 安徽凯特泵业有限公司 | Liquid outlet section forming die of efficient impeller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2860659Y (en) | Thermomechanical treatment composite die | |
| CN108466396A (en) | The molding die of impeller | |
| CN201143522Y (en) | Hot-extrusion mold | |
| CN208593000U (en) | The molding die of impeller | |
| CN209379864U (en) | A kind of upper flange slab type mold | |
| CN110319026B (en) | Rotational flow self-priming pump | |
| CN208116712U (en) | A kind of auto parts die casting that part can be accelerated cooling | |
| CN110315281A (en) | A kind of manufacturing method of rotational flow self-priming pump | |
| CN206215884U (en) | Casting mould cooling structure | |
| CN201020523Y (en) | Electroslag remelting die steel casting die | |
| CN201264071Y (en) | Combination model structure of loose flange pipe fitting | |
| CN209647252U (en) | A kind of great cantilever aluminium alloy extrusion mould | |
| CN208303799U (en) | A kind of piston type product mold | |
| CN202479471U (en) | Die-casting mould with whole charging barrel | |
| CN213744375U (en) | Cam pin | |
| CN213937686U (en) | Cast aluminum forming die and motor rotor | |
| CN101780523A (en) | Metal mould containing sandmold insert and application thereof in tilted casting | |
| CN205929277U (en) | Chopsticks fixed mold that moulds plastics with location | |
| CN205798354U (en) | A kind of New-type cast steel double-entry impeller casting mold structure | |
| CN213559750U (en) | Water-through mold assembly | |
| CN212945315U (en) | Valve actuator casing casting device | |
| CN220880476U (en) | High-efficiency cooling type flow dividing cone for high-pressure die and high-pressure die | |
| CN211221866U (en) | Electric motor car face guard injection mould consolidates supporting hole site integrated into one piece ejection mechanism | |
| CN210231447U (en) | Furnace end production mold capable of automatically removing impurities | |
| CN209792534U (en) | Local cooling device of metal mold casting mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190312 Effective date of abandoning: 20230922 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190312 Effective date of abandoning: 20230922 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |