CN208615200U - For forming the blade forming structure of the blade group of water pump vane - Google Patents
For forming the blade forming structure of the blade group of water pump vane Download PDFInfo
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- CN208615200U CN208615200U CN201820271921.5U CN201820271921U CN208615200U CN 208615200 U CN208615200 U CN 208615200U CN 201820271921 U CN201820271921 U CN 201820271921U CN 208615200 U CN208615200 U CN 208615200U
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Abstract
The utility model discloses a kind of for forming the blade forming structure of the blade group of water pump vane, the blade body forming blocks in several first recess in the annular cavity wall for the lower mode cavity that blade inner end forming cavity, the one-to-one correspondence of the hollow mold core periphery setting including the lower mode around water pump vane mold are inserted in the lower mode and the moving structure for driving each blade body forming blocks to move along the radial direction of the lower mode between every adjacent two blade bodies forming blocks；Entity part between per two adjacent blade inner end forming cavities is the clearance space inner end forming part for forming the inner end of the clearance space between per adjacent two blade, each blade body forming blocks abut against after being inserted into corresponding first recess with the extrados of corresponding clearance space inner end forming part, each blade body forming blocks and clearance space inner end forming part have gap to form respective vanes for forming the clearance space between every adjacent two blade bodies forming blocks.
Description
Technical field
The utility model relates to a kind of for forming the blade forming structure of the blade group of water pump vane.
Background technique
Impeller is the core component of water pump, is the main influence element of working efficiency, under specific operation, if Impeller Design
It is bad that hydraulic loss and gap loss will be generated at pump intake and blade.Therefore, it is necessary to a kind of integrated molding water pump vanes
So that the better water pump vane mold of the water pump vane structure, consistency.
Utility model content
In view of this, it is really necessary to provide a kind of activity to be inserted on the lower mode of water pump vane mold for the utility model
For forming the blade forming structure of the blade group of water pump vane.
There is provided it is a kind of for forming the blade forming structure of the blade group of water pump vane, including under water pump vane mold
The blade inner end forming cavity of the hollow mold core periphery setting of mode corresponds the annular for being inserted in the lower mode cavity of the lower mode
The blade body forming blocks in several first recess in cavity wall and the use between every adjacent two blade bodies forming blocks
In the moving structure for driving radial direction of each blade body forming blocks along the lower mode to move；In per two adjacent blades
Entity part between the forming cavity of end is in the clearance space for forming the inner end of the clearance space between per adjacent two blade
Forming part is held, is formed after each corresponding first recess of blade body forming blocks insertion with corresponding clearance space inner end
The extrados in portion abuts against, and each blade body forming blocks and clearance space inner end forming part are used to form together described
Clearance space often has gap to form respective vanes between adjacent two blade bodies forming blocks.
Further, each blade body forming blocks are divided into three portions from its length direction, i.e., when described each
After the inner end of blade body forming blocks is inserted into first recess and is butted on the extrados of clearance space inner end forming part: from
The lower mode sees that inner end to one section between first recess of the blade body forming blocks is claimed in the radial direction
For blade body forming part；It is located at internal between corresponding first recess be divided into referred to as in each blade body forming blocks
Transition part；The part that each blade body is located at outside corresponding first recess is moving portion；Each moving structure
Between the moving portion of every two adjacent blade body forming blocks, the two sides of the moving structure respectively with adjacent two blades master
Body formed piece of moving portion is slidably connected, so that the respective vanes main body forming blocks can be inserted into institute along the radial direction
State the first recess.
Further, the inner end of the blade body forming part is and the clearance space inner end forming part extrados shape
The arcwall face that shape matches, to be abutted with the extrados of clearance space inner end forming part；Each blade body forming part
The radian of first side matches with the radian of the first chamber side of corresponding blade inner end forming cavity, with it is corresponding
First chamber side of blade inner end forming cavity forms the first chamber of the first blade forming chamber of the first side for formed blades
Side；The chamber side of the radian of the second side of each blade body forming part and another adjacent blade inner end forming cavity
Radian matches, to form for forming another blade with the second chamber side of another blade inner end forming cavity
The second side of second blade forming chamber of two side faces；First chamber side of the first blade forming chamber and second blade
Second chamber side of forming cavity is two adjacent chamber sides.
Further, the moving portion includes exposing to the moving portion ontology of the lower mode periphery and by the movement
The slipping block that the two sides of portion's ontology extend to form in the opposite direction respectively；Moving structure is including fan-shaped guide block and is set to fan
Corresponding to the slide groove portion at two adjacent slipping block positions, it is total that the sector guide block is fixed by bolts in lower die for shape guide block two sides
At push plate on, can be moved up with the push plate, described two adjacent slipping blocks be located at the fan-shaped guide block two sides it is two sliding
Groove portion is slidably matched.
Further, it is provided with one first oblique guide hole in the moving portion of each blade body forming blocks, described first
Oblique guide hole runs through the upper and lower surface of the moving portion, and the lower beveled end of the first oblique guide hole downwardly and inwardly tilts, described
Beveled end upwardly and outwardly tilts on first oblique guide hole, and the first oblique guide hole is used for and the B plate that is set to the lower mould assembly
On inclined guide pillar be oriented to cooperation.
The blade forming structure of the blade group for forming water pump vane of the utility model, sets with fixation in the prior art
The blade forming structure set in lower mode cavity is compared, so that each blade forming block of the blade forming structure is equal in die sinking
It can be displaced outwardly along the radial direction of lower mode, in molding, the radial direction along the lower mode moves inwards, to be butted on
The outer peripheral surface of the hollow mold core, while cross sectional shape and size of each blade forming block at the position of the first recess are equal
Match at the first recessed position, which prevent injection raw materials to flow outwardly.Using this movable blade forming knot
Structure is convenient for the subsequent demoulding of water pump blade.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the utility model water pump vane.
Fig. 2 is the structural schematic diagram of one embodiment of the utility model water pump vane mold.
Fig. 3 is structural schematic diagram when the utility model water pump vane mold removes a part of blade forming structure.
Fig. 4 is the structural schematic diagram of mode under the utility model.
Fig. 5 is the broken away view that this uses water pump blade wheel mold.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Before the water pump vane mold to the utility model is described, first to orientation being illustrated property explanation.Under
"upper" described in the text, "lower" " left side " " right side " be with it is presented in present Figure when orientation and be defined.Under such as
" upper cores " described in the text, " lower mode " is using attached drawing as standard, and upper cores are located at the top of lower mode in attached drawing, because
This is referred to as upper cores.It should be understood that in other examples, being rotated by 90 ° counterclockwise when by this water pump vane mold
When, " upper cores " are then " left mode ", and " lower mode " is then corresponding " right mould benevolence "." inner " described below be
Refer in mold by paracentral direction to be " inner ", "outside" described below each means deep direction (or close to mold
The direction of periphery).
This water pump vane mold is completely illustrated in order to become apparent from, and the structure of water pump vane is illustrated first.It please join
See that Fig. 1, Fig. 1 show the bottom-up perspective view of water pump vane, the water pump vane includes having centre bore 200 (see Fig. 5)
Upper wheel disc 201, be located at 201 lower section of upper wheel disc in parallel, with diameter and coaxial lower annular ring 202, by the upper wheel disc 201
Hollow cylinder 203 from 200 position of centre bore to the direction of the lower annular ring 202 that extended to form at, be set to the upper wheel disc 201 with
The blade group arranged in a ring between the lower annular ring 202.The blade group includes several along the circumferentially-spaced of water pump vane
Several blades 204 being set between the lower annular ring 202 and the upper wheel disc 201, the inner end of several blades 204 to
203 direction of hollow cylinder extends and has a spacing distance between the hollow cylinder 203, if being such that described
An annular space 205 is formed between cured leaf piece 204 and the hollow cylinder 203, the outer end of several blades 204 is radially
Extend outwardly, the outer end face of each blade 204 does not expose to the outer peripheral surface of the upper wheel disc 201 and lower annular ring 202.Every phase
There is a clearance space 206, the quantity of the clearance space 206 is equal to the number of the blade 204 between two adjacent blades 204
Amount.
Fig. 2 to Fig. 5 is referred to, the water pump vane mold of the utility model is injection forming mold, for making the water pump
Impeller integrated injection molding, the water pump vane mold include upper cores 1, lower mode 3 and the leaf on the lower mode 3
Sheetmolding structure 5, the lower mode 3 is set to lower mould assembly (not shown go out) upper end of the water pump vane die assembly, described
The upper mold assembly lower end that upper cores 1 are set to the water pump vane die assembly corresponds at the position of the lower mode 3, the leaf
Sheetmolding structure 5 is set to the upper end of the lower mode 3, between the upper cores 1 and the lower mode 3.The present embodiment
In, the upper cores 1 and lower mode 3 can be cylindrical.
About lower mode 3:
The lower mode 3 is set on the B plate (not shown go out) of the lower mold.The lower mode 3 includes lower mode sheet, institute
The upper end for stating lower mode ontology is recessed with a circular in cross-section and the shape phase with the water pump vane lower half portion downwards
The lower mode cavity 31 of matching (i.e. the outer diameter of the internal diameter of lower mode cavity and the water pump vane matches), the blade forming structure 5 have
There are the blade body forming blocks being set in the lower mode cavity 31 to form the blade group, the parallel position of the blade body forming blocks
In on the bottom of chamber face of the lower mode cavity 31, the blade body forming blocks and the bottom of chamber face are formed for forming the lower annular ring
202 molding space.
Its circumferential uniform intervals is provided with several first boss 32 in the top surface of the annular cavity wall 311 of the lower mode cavity 31
And several first recess 33, every one first recess 33 are located between per two adjacent first boss 32.Further, if it is described
The bottom surface of dry first recess 33 is above the bottom of chamber face of the lower mode cavity 31.First recess 33 is for supplying the blade body
Forming blocks are inserted into the lower mode cavity 31, after the blade body forming blocks are inserted into the lower mode cavity 31, due to the leaf
Piece main body forming blocks are placed in first recess 33, therefore the blade body forming blocks are located at the leaf in the lower mode cavity 31
Piece main body forming part is parallel on the bottom of chamber face of the lower mode cavity 31, between the blade body forming part and the bottom of chamber face between
Gap forms lower annular ring 202.
Further, each first boss 32 in the horizontal plane be projected as triangle, inner end is small end, and outer end is big
End.More specifically, the first boss 32 is upper and lower two stepwises boss, wherein upper rank boss 321 is triangle boss, lower rank
Boss is trapezoid boss.The lower mode 3 in the radial direction, upper rank boss 321 is close to the lower mode cavity 31, lower rank boss
Alien invasion and the outer peripheral surface of the lower mode ontology be located at same facade.The first boss 32 designs structure thus, good
Place is preferably to cooperate with the blade forming structure 5 to form the blade 204 of the water pump vane.Certainly, other real
It applies in example, the first boss 32 is not necessarily arranged to two hierarchic structures, it can be exactly the structure of a protrusion.
Further, every one first recess 33 is upper and lower two stepwises recess, in the radial direction of the lower mode ontology 3
On, for upper rank recess 331 close to the lower mode cavity 31, lower rank recess 332 is located at the outer lower side of the upper rank recess 331.Above-mentioned
The bottom surface of several first recess 33 is above the bottom of chamber face of the lower mode cavity 31, refers to the recess of the upper rank recess 331
Face is higher than the bottom of chamber face of the lower mode cavity 31, to integrally be enclosed the annular chamber with the first boss on the water surface site
Wall 311.First recess 33 so set, its benefit be with the blade forming structure 5 preferably cooperation with preferably at
The blade 204 of water pump vane described in type.
The lower mode 3 and blade forming structure 5 be used to form the hollow cylinder 203 of the water pump vane, blade group,
Annular space 205 and lower annular ring 202 between the hollow cylinder 203 and the blade group, i.e., the sky of the described water pump vane
Annular space 205 and lower annular ring 202 between heart cylinder 203, blade group, the hollow cylinder 203 and the blade group is equal
It is formed in the lower mode cavity 31.Specifically:
The upward convex hollow mold core 34 that is equipped with of center position in the bottom of chamber face of the lower mode cavity 31 (is in hollow cylinder
203 shapes, namely annular mold core), the hollow mold core 34 and the lower mode ontology 3 are concentric, same with the lower mode cavity 31
Axle center.The outer diameter of the interior empty diameter and the hollow cylinder 203 of the water pump vane of the hollow mold core 34 matches, to institute
State hollow cylinder 203 of the upper cores 1 with water pump vane described in synthesis type.In the present embodiment, also set in the hollow mold core 34
Be equipped with a coaxial cylindrical body (not shown go out), the internal perisporium of the periphery wall of the cylindrical body and the hollow mold core 34 it
Between have a gap, the annular wall of hollow cylinder 203 of the gap to form the water pump vane, the cylindrical body be used at
Hollow cylinder 203 is hollow described in type.Annular entity between the internal perisporium and the periphery wall of the hollow mold core 34 is used for
Form the annular space 205 of the water pump vane.
In the present embodiment, circumferential evenly spaced offered for forming on the periphery wall of the hollow mold core 34 along it
Several blade inner ends forming cavity 51 of 204 inner end of several blades of the water pump vane.The equal edge of each blade inner end forming cavity 51
The periphery wall for axially penetrating through the hollow mold core 34 of the hollow mold core 34, and each blade inner end forming cavity 51
Cross section is in the V-arrangement of small end inwardly.The entity being located between per two adjacent blade inner end type chambers on the hollow mold core 34
Part is the clearance space inner end forming part 54 for forming the inner end of the clearance space 206 between each adjacent two blade 204,
Each clearance space inner end forming part 54 is respectively positioned between corresponding adjacent two blade inner end forming cavity 51.
Further, the inner end (i.e. above-mentioned small end) of several blade inner ends forming cavity 51 is towards the hollow mold core
34 hollow direction, but not with it is described it is hollow be connected to, i.e., the inner end of each blade inner end forming cavity 51 and the hollow mold
The inner wall of core 34 all has preset distance.In this way, so that being formed between blade group after molding and the hollow cylinder 203
The annular space 205.
The bottom of chamber face of the lower mode cavity 31 is lower than the bottom surface of first recess 33, therefore is located at institute on the lower mode cavity 31
The annular section stated between hollow mold core 34 and several first recess 33 (and/or several first protrusions) is described for forming
Lower annular ring 202.
Lower mode using the above structure, several first recess of interval setting, make in this way in the annular cavity wall of lower mode cavity
The each blade body forming blocks for obtaining blade forming structure can be inserted into lower mode cavity along the radial direction of the lower mode ontology
It is interior, be arranged two-stage type ladder, when so that the inner end of each blade body forming blocks being butted on hollow mold core, each blade body at
Type block plays sealing function, each blade corresponding to that can be butted on the upper rank recess at the position of the alien invasion of upper rank recess
Main body forming blocks match corresponding to part at the position of the first recess with the first concave shape size, tight with first recess
Close fit prevents injection raw material to outward leakage.When die sinking, each blade body forming blocks of blade forming structure remove outward is
It can.
About blade forming structure 5:
For forming above-mentioned several blades 204, (several blade forming structures 5 are set to institute to several blade forming structures 5
State the periphery on the top of lower film benevolence, several blade forming chambers radially be distributed in 34 periphery of hollow mold core).Institute
Stating blade forming structure 5 includes above-mentioned several blade inner ends radially on the periphery wall of the hollow mold core 34
Forming cavity 51, structure is seen description above, and is just no longer described in detail herein.The blade forming structure 5 further include with it is described first recessed
33 one-to-one several groups blade body forming blocks 52 are fallen into, the several groups blade body forming blocks 52 are from the lower mode 3
Radially, it is inserted in inwards correspondingly in several first recess 33.The blade forming structure 5 further includes being set to
It is used to drive each blade body forming blocks 52 along the radial direction of the lower mode 3 between per adjacent two blade bodies forming blocks 52
The mobile moving structure 53 in direction.
Each blade body forming blocks 52 form after being inserted into corresponding first recess 33 with corresponding clearance space inner end
The extrados in portion 54 abuts against, each blade body forming blocks 52 and clearance space inner end forming part 54 together at
Clearance space described in type often has gap to form respective vanes 204 between adjacent two blade bodies forming blocks 52.It is described each
Blade body forming blocks 52 are divided into three portions from its length direction, i.e., when the inner end of each blade body forming blocks 52 is inserted
After entering first recess 33 and being butted on the extrados of clearance space inner end forming part 54: from the radial direction of the lower mode 3
Side looks up, the inner end of the blade body forming blocks 52 to one section between first recess 33 be referred to as blade body with
Clearance space main body forming part (i.e. above-mentioned blade body forming part 521)；It is located at phase in each blade body forming blocks 52
The internal transition part 522 being divided into referred to as between the first recess 33 answered；Each blade body is located at corresponding the
The part of one recess 33 outer (i.e. from the periphery for exposing to the lower mode 3 in the radial direction) is moving portion 523.Each mobile knot
Structure 53 be set to per two adjacent blade body forming blocks 52 moving portion 523 between, the two sides of the moving structure 53 respectively with
The moving portion 523 of adjacent two blade bodies forming blocks 52 is slidably connected, so that the respective vanes main body forming blocks 52 can
It is inserted into first recess 33 along the radial direction with mobile to the center (i.e. inwards) of the lower mode cavity 31, from described the
One extraction outward of recess 33.Wherein:
About the blade body forming part 521:
The inner end of the blade body forming part 521 be and 54 extrados shape phase of clearance space inner end forming part
Matched arcwall face, with the extrados of clearance space inner end forming part 54 is seamless abuts.Each blade body forming part
The radian (or gradient) of 521 first side and the first chamber side of corresponding blade inner end forming cavity 51 radian (or
Gradient) match, to be formed with the first chamber side of corresponding blade inner end forming cavity 51 for formed blades 204
First chamber side of the first blade forming chamber of first side.
The radian (or gradient) of the second side of each blade body forming part and another adjacent blade inner end at
The radian (or gradient) of the chamber side of type chamber 51 matches, with the second chamber side with another blade inner end forming cavity 51
Face forms the second side for forming the second blade forming chamber of the second side of another blade 204.First blade
First chamber side of forming cavity and the second chamber side of the second blade forming chamber are two adjacent chamber sides.
About the moving portion 523 and moving structure 53:
Preferably, the moving portion 523 includes exposing to the movement of 3 periphery of lower mode continuing with referring to Fig. 1
Portion's ontology 5231 and the slipping block extended to form in the opposite direction respectively by the two sides of the moving portion ontology 5231
5232, the thickness of two slipping blocks 5232 is respectively less than the thickness of the moving portion ontology 5231.In a thickness direction, two sliding
Block 5232 is located at the middle position of the moving portion ontology 5231.
The bottom surface of the moving portion ontology 5231 is lower than the bottom surface of the transition part 522, in this way, working as the blade body
Forming blocks 52 are interior to abut with corresponding clearance space inner end forming part 54 by corresponding first recess, 33 insertion lower mode cavity 31
Afterwards, the inner end of the moving portion ontology 5231 is just butted at the alien invasion of upper rank recess 331 of the first recess 33, guarantees institute
While stating blade body 52 seamless abutting of forming blocks, prevent the blade body forming blocks 52 because the power moved inwards is excessive,
And the periphery wall of the hollow mold core 34 easy to damage.
Preferably, the moving structure 53 includes fan-shaped guide block (hereinafter referred to as fan-shaped guide block 531) and sets
In fan-shaped 531 two sides of guide block corresponding to the slide groove portion 532 at two adjacent 5232 positions of slipping block, the sector guide block 531
It is fixed by bolts in the push plate (not shown go out) of lower mould assembly, can be moved up with the push plate, described two adjacent slidings
Block 5232 is slidably matched with two slide groove portions 532 for being located at 531 two sides of the fan-shaped guide block.
The slide groove portion 532 is by the direction of the adjacent moving portion ontology 5231 of the respective lateral of the fan-shaped guide block 531
The edge block extended to form, the top surface of two edge block and the top surface of the sectorial block are generally aligned in the same plane, and bottom surface is higher than institute
The bottom surface for stating sectorial block is such that the L-shape space in two sides of the slide groove portion 532.When the slide groove portion 532 is fixed on
After in the push plate, L shape space and the push plate form half frame-shaped sliding slot.The shifting of each blade body forming blocks 52
Two slipping blocks 5232 in dynamic portion 523 are located in corresponding half frame-shaped sliding slot, and each blade body forming blocks 52
Moving portion 523 can radially move in half frame-shaped sliding slot of adjacent two sectorial block.
Two slipping blocks 5232 of the moving portion 523 of each blade body forming blocks 52 are located at corresponding half frame-shaped
In sliding slot.
As it is further preferred that being provided with one first in the moving portion 523 of each blade body forming blocks 52 tiltedly
Guide hole 5233, the first oblique guide hole 5233 run through the upper and lower surface of the moving portion 523, and the first oblique guide hole 5233
Downwardly and inwardly (refer to inwards lower die but the center position) inclination of lower beveled end, on the first oblique guide hole 5233 beveled end to
Above and it is inclined outwardly.The first oblique guide hole 5233 is used to match with the inclined guide pillar guiding on the B plate for being set to the lower mould assembly
It closes.In this way, upper cores 1 are moved up with upper mold when opening upper mold assembly, meanwhile, push the push plate of lower mould assembly upward
It moves, so that the inclined guide pillar be driven to move up, each inclined guide pillar moves up each blade master that can make to wear thereon
Body formed piece upwards and moved from inside to outside in half frame-shaped sliding slot, to make each blade body forming blocks 52 from the radial direction
The water pump vane being detached from injection molding is (described even if the blade body forming blocks 52 radially move horizontally outward
Blade body forming blocks 52 are extracted out from first recess 33).Such structure, so that each blade body forming blocks 52
Can move, molding when insertion first recess 33 slots in be abutted with clearance space forming part, with formation interval space 206 with
And blade 204 while each blade body forming blocks 52 can be moved up with push plate, is led in die sinking by inclined guide pillar
To and it is mobile (to mold peripheral direction) outward, to be detached from water pump vane.Such benefit is that demoulding can be made more convenient, energy
It is enough more convenient for taking out water pump vane after molding, reduces just molding water pump vane and be damaged probability.
Using above-mentioned blade body molding structure, each blade body forming blocks 52 are radially moved,
In molding to be abutted with clearance space forming part in 33 slots of the first recess of insertion, with formation interval space 206 and blade
204, it, can be outside along half frame-shaped sliding slot while each blade body forming blocks 52 can be moved up with push plate in die sinking
Mobile (deep direction).Such benefit is that demoulding can be made more convenient, can be more convenient for taking out water after molding
Impeller of pump reduces just molding water pump vane and is damaged probability.
Certainly, in other embodiments, the blade forming structure 5 can also use integral structure, i.e. blade forming
The non-live dynamic formula of structure 5.Using the non-live dynamic formula (fixed) blade forming structure 5 when, no setting is required for the lower mode cavity 31
Above-mentioned first boss 32, first recess 33 directly makes the cavity wall of the lower mode cavity 31 cavity wall 311 in a ring.Non-live dynamic formula
Blade forming structure 5 includes several clearance spaces for forming between per adjacent two blade in the lower mode cavity 31
206 protrusion, several protrusions are set to the lower mode cavity 31 and the hollow mold core 34 and institute around hollow 34 periphery of mold core
Between the cavity wall for stating lower mode cavity 31, the gap between every two adjacent protrusions is for forming corresponding blade 204.It is this inactive
The blade forming structure 5 of formula is not easy to demould compared with above-mentioned blade forming structure 5, is unfavorable for quickly removing water pump vane.
It is also corresponding at position of the bottom end of the lower mode 3 corresponding to the described first oblique guide hole 5233 in the present embodiment
It is provided with the second oblique guide hole 55, the inclined guide pillar is successively arranged in upwards in the second oblique guide hole 55 and the first oblique guide hole 5233.
About upper cores 1:
The upper cores 1 are set on the A plate of upper mold, and the cross sectional shape of the upper cores 1 matches with lower mode 3.?
The lower surface (one side relative to the lower mode 3) of the upper cores 1 corresponds at the position of several first boss 32
Downwardly convex to be equipped with several second boss 12, the position between every two adjacent second boss 12 is formed and corresponding first recess 33
The second recess 13 of face being recessed upwards, the height of the depth and the second boss 12 of second recess 13 match.
Several second boss 12 around the lower surface of the upper cores 1 edge be arranged so that the second boss 12 and
Lower surface in the second boss 12 forms a shape and the lower mode cavity 31 forms the space of the fovea superior to match, institute
The space for stating fovea superior is used to form the upper wheel disc 201 of the water pump vane mold.One is additionally provided in the upper cores 1 for supplying
The coaxial aperture 11 that injection molding tube passes through, after molding, the injection raw material is injected by being arranged in the injection molding tube of the coaxial aperture 11
In space after mode 1 and the molding of lower mode 3, to form the water pump vane.
Further, several second boss 12 are set in the upper cores 1 convex corresponding to several lower ranks
At the position of platform.The depth of the second boss 12 and the height of the upper rank boss 321 match, the second boss 12
Shape and size and the shape and size of the lower rank boss match.When molding, the second boss 12 is just butted on described
On lower rank boss, the facade of the medial surface of the second boss 12 and the upper rank boss 321 is in close contact.It is each to support the closed
One boss 32 and second boss 12 form one group of spacer, the first recess 33 and the second recess between every two adjacent spacers
13 form the transluminal penetrated for the blade body forming part 521.Due to the depth of second recess 13 and described second convex
The height of platform 12 is consistent, and therefore, the concave bottom of the second recess 13 and the top surface of the first boss 32 are located at same level.
The water pump vane mold of the utility model, can be integrally formed the water pump vane, make the water pump vane one
Body formula product.Molding mode is simple and fast, only needs a stepization that can form water pump vane, can reduce the production step of water pump vane
Suddenly, process complexity is reduced.Utilize the globality of the formed in mould one body swimming impeller of pump of the water pump vane of the utility model, one
Cause property and fastness are preferable.
The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all benefits
The equivalent structure or equivalent flow shift made by the utility model specification and accompanying drawing content, is applied directly or indirectly in it
His relevant technical field, is also included in the patent protection scope of the utility model.
Claims (5)
1. a kind of for forming the blade forming structure of the blade group of water pump vane, it is characterised in that: including around water pump vane mould
The blade inner end forming cavity of the hollow mold core periphery setting of the lower mode of tool corresponds the lower mode cavity for being inserted in the lower mode
Annular cavity wall on it is several first recess in blade body forming blocks and be set to per adjacent two blade bodies forming blocks it
Between the moving structure for driving each blade body forming blocks to move along the radial direction of the lower mode；Per adjacent two
Entity part between the forming cavity of blade inner end is the interval for forming the inner end of the clearance space between per adjacent two blade
Space inner end forming part, after corresponding first recess of each blade body forming blocks insertion and in a corresponding clearance space
The extrados of end forming part abuts against, and each blade body forming blocks and clearance space inner end forming part are used for into together
Clearance space described in type often has gap to form respective vanes between adjacent two blade bodies forming blocks.
2. as described in claim 1 for forming the blade forming structure of the blade group of water pump vane, it is characterised in that: described
Each blade body forming blocks are divided into three portions from its length direction, when the inner end of each blade body forming blocks is inserted into
After described first is recessed and is butted on the extrados of clearance space inner end forming part: in the radial direction from the lower mode,
The inner end of the blade body forming blocks to one section between first recess is referred to as blade body forming part；It is described each
It is located at the internal transition part being divided into referred to as between corresponding first recess in blade body forming blocks；Each blade body
Part outside corresponding first recess is moving portion；Each moving structure is set to be formed per two adjacent blade bodies
Between the moving portion of block, moving portion of the two sides of the moving structure respectively with adjacent two blade bodies forming blocks is slidably connected,
So that the respective vanes main body forming blocks can be inserted into first recess along the radial direction.
3. as claimed in claim 2 for forming the blade forming structure of the blade group of water pump vane, it is characterised in that: described
The inner end of blade body forming part is the arcwall face to match with the clearance space inner end forming part extrados shape, with
The extrados of clearance space inner end forming part abuts；The radian of the first side of each blade body forming part with it is corresponding
The radian of first chamber side of one blade inner end forming cavity matches, with the first chamber with corresponding blade inner end forming cavity
Side forms the first chamber side of the first blade forming chamber of the first side for formed blades；Each blade body forming part
The radian of second side and the radian of the chamber side of another adjacent blade inner end forming cavity match, with it is described another
Second chamber side of a blade inner end forming cavity forms the second blade forming chamber for forming the second side of another blade
Second side；First chamber side of the first blade forming chamber and the second chamber side of the second blade forming chamber are phase
Two adjacent chamber sides.
4. as claimed in claim 3 for forming the blade forming structure of the blade group of water pump vane, it is characterised in that: described
Moving portion include expose to the lower mode periphery moving portion ontology and from the two sides of the moving portion ontology respectively to
The slipping block that opposite direction extends to form；Moving structure includes fan-shaped guide block and is set to fan-shaped guide block two sides corresponding to two-phase
Slide groove portion at adjacent slipping block position, the sector guide block are fixed by bolts in the push plate of lower mould assembly, can be with institute
It states push plate to move up, described two adjacent slipping blocks are slidably matched with two slide groove portions for being located at the fan-shaped guide block two sides.
5. as claimed in claim 4 for forming the blade forming structure of the blade group of water pump vane, it is characterised in that: every
One first oblique guide hole is provided in the moving portion of one blade body forming blocks, the first oblique guide hole is through the moving portion
Upper and lower surface, and the lower beveled end of the first oblique guide hole downwardly and inwardly tilts, beveled end is upward on the first oblique guide hole
And be inclined outwardly, the first oblique guide hole, which is used to be oriented to the inclined guide pillar on the B plate for being set to the lower mould assembly, to be cooperated.
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| CN201820271921.5U CN208615200U (en) | 2018-02-26 | 2018-02-26 | For forming the blade forming structure of the blade group of water pump vane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820271921.5U CN208615200U (en) | 2018-02-26 | 2018-02-26 | For forming the blade forming structure of the blade group of water pump vane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216850A (en) * | 2019-07-12 | 2019-09-10 | 福建上润精密仪器有限公司 | Impeller is molded core-pulling mechanism |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216850A (en) * | 2019-07-12 | 2019-09-10 | 福建上润精密仪器有限公司 | Impeller is molded core-pulling mechanism |
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