CN208682180U - A kind of variable cross-section shaped spiral housing mold - Google Patents
A kind of variable cross-section shaped spiral housing mold Download PDFInfo
- Publication number
- CN208682180U CN208682180U CN201821103739.5U CN201821103739U CN208682180U CN 208682180 U CN208682180 U CN 208682180U CN 201821103739 U CN201821103739 U CN 201821103739U CN 208682180 U CN208682180 U CN 208682180U
- Authority
- CN
- China
- Prior art keywords
- mold
- variable cross
- shaped spiral
- section shaped
- spiral housing
- 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.)
- Active
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to technical field of mold, especially a kind of variable cross-section shaped spiral housing mold.The variable cross-section shaped spiral housing mold includes multiple core model mold segments corresponding with the volute flow channel shape, for fixing the fixed ring of the core model mold segment, the fixed ring is corresponding with the annular opening position, the core model mold segment inner surface is removably connected and fixed with the fixed ring, arrival end mold segment in multiple core model mold segments close to the arrival end includes end plates, internal module, outer mold piece, the internal module is removably connected and fixed with the fixed ring, the outer mold piece is connected and fixed with the internal module by end plates, the outer mold piece and the interface of the internal module are the arcwall face of the axis around the inner wall.In the present invention, multiple core model mold segments can be connected and fixed with fixed ring after the completion of variable cross-section shaped spiral housing mold releasability again, does not need to remake core model, it is at low cost.
Description
Technical field
The utility model relates to technical field of mold, especially a kind of variable cross-section shaped spiral housing mold.
Background technique
Carbon fiber is to be transformed by organic fiber by a series of heat treatments, and phosphorus content is higher than 90% inorganic high-performance
Fiber is a kind of new material of excellent in mechanical performance, the intrinsic person's character feature with carbon material, and has both the softness of textile fabric
Processable type, is reinforcing fiber of new generation.
Mold forming method and its molding work are divided in a kind of spiral case center that state's patent announcement number is CN103769541B as shown in figure 1
Dress, uses central symmetry mould-dividing mode, two housing sections are closed up using mould is closed up, made in spiral case by separately formed symmetrical member
Surface is without molding gap.Forming method the following steps are included:
First according to digital-to-analogue processing and fabricating water-soluble core mould variable cross-section shaped spiral housing mold, pass through water-soluble core mould variable cross-section spiral shell
It revolves housing mould and makes water-soluble mold core, make the left and right shell plate of composite material spiral case respectively according to mold core, after curing molding
It is water-soluble to remove mold core；Then to obtained left and right shell plate to interface deburring grinding process, then by using special
The positioning of left and right shell plate is fixed on to interface surface spray structure glue with forming frock, later by right shell body plate and a left side
Being aligned to interface for shell plate is bonded, and special molding tooling is removed after structure adhesive curing and obtains spiral case product.
The spiral case center divides mold forming method main problem to be: mold core is water-soluble mold core, composite material curing molding
Water-soluble afterwards to remove mold core to obtain shell plate, mold core is disposably, to require to remake mold core every time, at high cost；
It needs to left and right shell plate to the surface deburring grinding process of interface, spray structure glue, tool locating fixation later makes
Being aligned to interface for left and right shell plate is bonded, and dismounting special molding tooling after structure adhesive curing is waited to obtain spiral case product, work
Sequence is cumbersome, have spue line and the molding time is long.
Such as a kind of resin-based carbon fiber composite acid-proof pump that Fig. 2 Chinese patent notification number is CN104314831B and its
Production method, including the pump housing, the pump housing include spiral case, and along the longitudinal centre line of the spiral case, the pump housing subdivision is upper pump
Body (5) and lower pump body (6).It uses and is detachably connected between the upper pump casing (5) and lower pump body (6).
The resin-based carbon fiber composite acid-proof pump is by being divided into upper pump casing to cutting along spiral case centerline axis for the pump housing
(5) and lower pump body (6), solve the problems, such as that Integral die demoulds.But this method can not solve the variable cross-section spiral shell of the utility model
The problem and product for revolving the demoulding hardly possible of shell have bonding wire.
Such as a kind of spiral case manufacturer with composite material lining that Fig. 3 Chinese patent notification number is CN106113384B
Method, manufacturing method are included the following steps: to be processed spiral case matrix using the methods of traditional casting or machining and open up injection
Hole；Gap is reserved in the inner cavity of spiral case matrix, and is equipped with latticed reinforcing rib；Designed for the molding change of composite material lining
Section shaped spiral housing mold and sealed mold, and be mounted on spiral case matrix；Using macromolecule resin glue as matrix, the carbon that is chopped is added
Liquid composite material is obtained after fiber and macromolecule resin glue curing agent；Liquid composite material is injected by injection orifice
Type chamber, and carry out pressure maintaining solidification；Disassembly variable cross-section shaped spiral housing mold simultaneously blocks injection orifice, obtains having composite material lining
Spiral case.
The spiral case complex manufacturing technology with composite material lining.
Utility model content
The utility model aim is to provide a kind of variable cross-section shaped spiral housing mold have core model reusable and volute
The advantages of runner is integrally formed.
In order to achieve the above-mentioned advantages, variable cross-section shaped spiral housing mold provided by the utility model, which has
The volute runner being gradually reduced from arrival end towards outlet end section, the arrival end is adjacent with the outlet end, the variable cross-section propeller cap
Body includes that bottom plate, outer wall, top plate, connecting plate and inner wall should with the annular opening of equal in width between the inner wall and the bottom plate
Variable cross-section shaped spiral housing mold includes multiple core model mold segments corresponding with the volute flow channel shape, for fixing the core model mold segment
Fixed ring, the fixed ring is corresponding with the annular opening position, which removably connect with the fixed ring
Fixed, the arrival end mold segment in multiple core model mold segments close to the arrival end includes end plates, internal module, outer mold piece, is somebody's turn to do
Internal module is removably connected and fixed with the fixed ring, which is connected and fixed with the internal module by end plates, the external mold
Block and the interface of the internal module are the arcwall face of the axis around the inner wall.
In one embodiment of the utility model, the variable cross-section shaped spiral housing mold further includes being set in the fixation
Confinement ring outside ring, position when which is used to keep the inner wall of the variable cross-section shaped spiral housing to form, which can
The pact being bonded with the inner wall is moved upwards up to from the position for the permission sticking carbon fiber being located at below the inner wall lower edge F
Beam position.
In one embodiment of the utility model, the step that the fixed ring upper end is equipped with the receiving confinement ring is lacked
Mouthful, when step surface of the confinement ring against the step v notch v, the confinement ring is in the position for allowing sticking carbon fiber.
In one embodiment of the utility model, the fixed ring opens up limited in the step surface of the step v notch v
Position through-hole, the confinement ring are fixed with the adjusting bolt across the limiting through hole, when the head for adjusting bolt is against institute
It states confinement ring when fixed ring lower surface and is in constrained.
In one embodiment of the utility model, the fixed ring offers tune in the step surface of the step v notch v
Screw hole is saved, which is threaded with adjusting bolt, which allows to glue for squeezing the confinement ring from described
The position of patch carbon fiber is moved to the constrained.
In one embodiment of the utility model, the core model mold segment inner surface and the fixed ring pass through connection bolt
It is connected and fixed, the core model mold segment inner surface offers corresponding screw hole.
In one embodiment of the utility model, the end plates by end bolt respectively with the internal module, institute
It states outer mold piece to be connected and fixed, the internal module, the outer mold piece offer corresponding screw hole.
In one embodiment of the utility model, the end face of core model mold segment towards the arrival end offers screw hole.
In one embodiment of the utility model, the core model mold segment is made of aluminium alloy.
In one embodiment of the utility model, the bottom plate inside edge A is circle, the plate outer side edge B
It is become larger from the arrival end towards the outlet end curvature, the outer wall is upwardly extended from the outer ledge B, the top plate
It extends internally from the outer wall upper end-face edge C, and the top plate moves closer to the bottom from the arrival end towards the outlet end
Plate, the connecting plate extend from the top plate inside edge D towards the bottom plate inside edge A, and the inner wall is from the connecting plate
Lower edge E is extended downwardly, and the inner wall is round tubular structure corresponding with the inside edge A.
In the present invention, after the completion of variable cross-section shaped spiral housing mold releasability can by multiple core model mold segments again with fixation
Ring is connected and fixed.Compared with the above-mentioned prior art, does not need to remake core model, saved cost.
In the present invention, variable cross-section shaped spiral housing mold is provided with corresponding with volute flow channel shape multiple and fixed
The dismountable core model mold segment of ring, facilitates the demoulding of variable cross-section shaped spiral housing.
In the present invention, variable cross-section shaped spiral housing by vacuumizing, heating, cure under pressure be integrally formed, when molding
Between it is short and spue line will not be generated.
In the present invention, variable cross-section shaped spiral housing mold is provided with confinement ring, when the lower surface of confinement ring is against solid
When determining the step surface of ring, it is easy sticking carbon fiber, conveniently.It is allowed to be moved to and inner wall patch by adjusting bolt compresses confinement ring
The constrained of conjunction be deformed the inner wall of variable cross-section shaped spiral housing will not in forming process.
In the present invention, core model is divided into multiple core model mold segments and each mold segment can be individually connect with fixed ring admittedly
It is fixed.It assembles, is easy to maintenance.
Detailed description of the invention
Fig. 1 show the structural schematic diagram that mold forming method and its forming frock are divided in existing spiral case center.
Fig. 2 show a kind of structural schematic diagram of existing resin-based carbon fiber composite acid-proof pump.
Fig. 3 show a kind of structural schematic diagram of existing spiral case with composite material lining.
Fig. 4 show the structural schematic diagram of the variable cross-section shaped spiral housing mold of the utility model first embodiment.
Fig. 5 show the explosive view of the variable cross-section shaped spiral housing mold of Fig. 3.
Fig. 6 show the structural schematic diagram of the variable cross-section shaped spiral housing of Fig. 3.
Fig. 7 show the structural schematic diagram of the mold work platform of the utility model second embodiment.
Fig. 8 show the structural schematic diagram of the variable cross-section shaped spiral housing mold with mold work platform of Fig. 6.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes specific embodiment, structure, feature and its effect,
Detailed description is as follows.
Refer to Fig. 4-6, the variable cross-section shaped spiral housing 1 of the variable cross-section shaped spiral housing mold of the utility model first embodiment
With the volute runner being gradually reduced from arrival end 1a towards the outlet end section 1b.Arrival end 1a and outlet end 1b are adjacent.Variable cross-section
Shaped spiral housing 1 includes bottom plate 11, outer wall 12, top plate 13, connecting plate 14 and inner wall 15.
With the annular opening 16 of equal in width between inner wall 15 and bottom plate 11.11 inside edge A of bottom plate is circle.Bottom plate 11
Outer ledge B becomes larger from arrival end 1a towards outlet end 1b curvature.Outer wall 12 is upwardly extended from outer ledge B.
Top plate 13 extends internally from 12 upper end-face edge C of outer wall, and top plate 13 is moved closer to from arrival end 1a towards outlet end 1b
Bottom plate 11.Connecting plate 14 extends from 13 inside edge D of top plate towards 11 inside edge A of bottom plate.Inner wall 15 descends end edge from connecting plate 14
Edge E is extended downwardly, and inner wall 15 is round tubular structure corresponding with inside edge A.
Variable cross-section shaped spiral housing 1 is made of composite material.Preferably, it is made of carbon fibre composite.
Variable cross-section shaped spiral housing mold includes multiple core model mold segments 2 corresponding with volute flow channel shape, for fixing core model
The fixed ring 3 of mold segment 2, the confinement ring 4 being set in outside fixed ring 3.
Core model mold segment 2 is made of aluminium alloy.Include end close to the arrival end mold segment 2a of arrival end 1a in multiple core model mold segments 2
Panel 2a1,2a2, internal module 2a3, outer mold piece 2a4.The end face of core model mold segment 2 towards arrival end 1a offer screw hole.
End plates 2a1,2a2 are connected and fixed with internal module 2a3, outer mold piece 2a4 respectively by end bolt.Internal module 2a3,
Outer mold piece 2a4 offers corresponding screw hole.Further, end plates 2a1 passes through end bolt and internal module 2a3, outer mold piece 2a4
End face be connected and fixed, end plates 2a2 is connected and fixed by end bolt and the middle part of internal module 2a3, outer mold piece 2a4.
Internal module 2a3 is removably connected and fixed with fixed ring 3.Outer mold piece 2a4 and internal module 2a3 by end plates 2a1,
2a2 is connected and fixed.The interface of outer mold piece 2a4 and internal module 2a3 is the arcwall face of the axis around inner wall 15.
2 inner surface of core model mold segment is removably connected and fixed with fixed ring 3.Further, 2 inner surface of core model mold segment and solid
Determine ring 3 and fixation is bolted by pin positioning, connection, 2 inner surface of core model mold segment offers corresponding screw hole.
Fixed ring 3 is corresponding with 16 position of annular opening.3 upper end of fixed ring is equipped with the step v notch v 31 for accommodating confinement ring 4,
When step surface 310 of the confinement ring 4 against step v notch v 31, confinement ring 4 is in the position for allowing sticking carbon fiber.
Fixed ring 3 offers limiting through hole 32 in the step surface 310 of step v notch v 31, and confinement ring 4 is fixed with across limit
The adjusting bolt 41 of position through-hole 32.Bolt 41 is adjusted for transporting confinement ring 4 in a certain range perpendicular to step surface 310
It is dynamic.When adjusting the head of bolt 41 against 3 lower surface of fixed ring, confinement ring 4 is in constrained.
Fixed ring 3 offers in the step surface 310 of step v notch v 31 and adjusts screw hole 33, adjusts screw hole 33 and is threaded with
Bolt 34 is adjusted, bolt 34 is adjusted for squeezing confinement ring 4 and is moved to constrained from the position of permission sticking carbon fiber.
Position when confinement ring 4 is used to keep the inner wall 15 of variable cross-section shaped spiral housing 1 to form.Confinement ring 4 has step surface
41, step surface 41 is arranged with becket 42 outside.Confinement ring 4 can allow to paste carbon fiber from being located at below 15 lower edge F of inner wall
The position of dimension is moved upwards up to the constrained for being bonded 42 outer surface of becket with inner wall 15.
Fixed ring 3 and confinement ring 4 are respectively equipped with the annular groove 35,42 that vacuum bag is sealed by sealant.Step lacks
The end face of mouth 31, which is also connected with, is fixed with end cap 5.5 upper surface of end cap is equipped with hanging ring 51 with convenient transportation mold.
Variable cross-section shaped spiral housing mold in actual work, its working principle is that:
Adjustment, which adjusts bolt 34, makes step surface 310 of the confinement ring 4 against step v notch v 31, and confinement ring 4, which is in, to allow to glue
Paste the position of carbon fiber.The carbon fiber of multilayer is pasted in the outer surface of multiple core model mold segments 2, the step surface of confinement ring 4 is arranged gold
Belong to circle 42.Adjustment adjusts bolt 34 and squeezes confinement ring 4 after the completion of pasting, and is allowed in constrained, the outer surface of quoit 42
The inner wall 15 formed with carbon fiber is bonded.Multiple core model mold segments 2 of multilayer carbon fiber are pasted in vacuum bag sealing, are vacuumized, are heated
Curing carbon fiber is allowed to form.
When demoulding, successively end plates 2a1,2a2, outer mold piece 2a4, internal module 2a3 are dismantled, then by variable cross-section propeller cap
Body 1 is from arrival end 1a towards the outlet end direction 1b along remaining 2 rotating stripping demoulding of core model mold segment.When the core of outlet end 1b touching front end
When mould mold segment, the core model mold segment of front end is dismantled, until variable cross-section shaped spiral housing demoulds completely.It, will after molding product takes out
The core model mold segment of disassembly, which reconnects, fixes, so as to production next time.
Fig. 7-8 is referred to, in the second embodiment of the utility model, variable cross-section shaped spiral housing mold includes mold work
Platform 6.Mold work platform 6 is easily installed mold and moves moulds.
Further, mold work platform 6 is the trapezium structure that the cross-sectional area of upper end is less than the cross-sectional area of lower end.Mold
Workbench 6 is made of more root canal 61.The top of mold work platform 6 and middle part are respectively equipped with connecting plate 62,63.Connecting plate 62
End face be equipped with 36 (not shown) of the through hole cooperation that the center of annular protrusion 621 and fixed ring 3 is arranged and positioned convenient for mold.Mould
The side for having workbench 6 is equipped with knob 64, and bottom is equipped with universal wheel 65.
In the present invention, after the completion of variable cross-section shaped spiral housing mold releasability can by multiple core model mold segments again with fixation
Ring is connected and fixed.Compared with the above-mentioned prior art, does not need to remake core model, saved cost.
In the present invention, variable cross-section shaped spiral housing mold is provided with corresponding with volute flow channel shape multiple and fixed
The dismountable core model mold segment of ring, facilitates the demoulding of variable cross-section shaped spiral housing.
In the present invention, variable cross-section shaped spiral housing by vacuumizing, heating, cure under pressure be integrally formed, when molding
Between it is short and spue line will not be generated.
In the present invention, variable cross-section shaped spiral housing mold is provided with confinement ring, when the lower surface of confinement ring is against solid
When determining the step surface of ring, it is easy sticking carbon fiber, conveniently.It is allowed to be moved to and inner wall patch by adjusting bolt compresses confinement ring
The constrained of conjunction be deformed the inner wall of variable cross-section shaped spiral housing will not in forming process.
In the present invention, core model is divided into multiple core model mold segments and each mold segment can be individually connect with fixed ring admittedly
It is fixed.It assembles, is easy to maintenance.
More than, it is only the preferred embodiment of the utility model, limit in any form not is made to the utility model
System, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with sheet
Technical professional is not departing within the scope of technical solutions of the utility model, when the technology contents work using the disclosure above
A little change or it is modified to the equivalent embodiment of equivalent variations out, but all without departing from the content of the technical scheme of the utility model, according to
According to the technical essence of the utility model any simple modification, equivalent variations and modification to the above embodiments, still fall within
In the range of technical solutions of the utility model.
Claims (10)
1. a kind of variable cross-section shaped spiral housing mold, which, which has from arrival end towards outlet end section, is gradually reduced
Volute runner, the arrival end is adjacent with the outlet end, the variable cross-section shaped spiral housing include bottom plate, outer wall, top plate, connecting plate with
And inner wall, with the annular opening of equal in width between the inner wall and the bottom plate, which is characterized in that the variable cross-section shaped spiral housing mold
Including multiple core model mold segments corresponding with the volute flow channel shape, the fixed ring for fixing the core model mold segment, the fixed ring
Corresponding with the annular opening position, which is removably connected and fixed with the fixed ring, multiple core models
Arrival end mold segment in mold segment close to the arrival end includes end plates, internal module, outer mold piece, and the internal module and the fixed ring can
Disassembly is connected and fixed, which is connected and fixed with the internal module by end plates, the boundary of the outer mold piece and the internal module
Face is the arcwall face of the axis around the inner wall.
2. variable cross-section shaped spiral housing mold according to claim 1, which is characterized in that the variable cross-section shaped spiral housing mold
It further include the confinement ring being set in outside the fixed ring, the confinement ring is for keeping the inner wall of the variable cross-section shaped spiral housing to form
When position, which can move up from the position of permission sticking carbon fiber being located at below the inner wall lower edge F
To the constrained being bonded with the inner wall.
3. variable cross-section shaped spiral housing mold according to claim 2, which is characterized in that the fixed ring upper end, which is equipped with, to be accommodated
The step v notch v of the confinement ring, when step surface of the confinement ring against the step v notch v, the confinement ring, which is in, allows
The position of sticking carbon fiber.
4. variable cross-section shaped spiral housing mold according to claim 3, which is characterized in that the fixed ring is in the step
The step surface of notch offers limiting through hole, and the confinement ring is fixed with the adjusting bolt across the limiting through hole, when described
The confinement ring is in constrained when adjusting the head of bolt against the fixed ring lower surface.
5. variable cross-section shaped spiral housing mold according to claim 4, which is characterized in that the fixed ring is in the step
The step surface of notch offers adjusting screw hole, which is threaded with adjusting bolt, and the adjusting bolt is for squeezing institute
It states confinement ring and is moved to the constrained from the position for allowing sticking carbon fiber.
6. variable cross-section shaped spiral housing mold according to claim 1, which is characterized in that the core model mold segment inner surface and institute
It states fixed ring and fixation is bolted by connection, the core model mold segment inner surface offers corresponding screw hole.
7. variable cross-section shaped spiral housing mold according to claim 1, which is characterized in that the end plates pass through end bolt
It is connected and fixed respectively with the internal module, the outer mold piece, the internal module, the outer mold piece offer corresponding screw hole.
8. variable cross-section shaped spiral housing mold according to claim 1, which is characterized in that the core model mold segment is towards the entrance
The end face at end offers screw hole.
9. variable cross-section shaped spiral housing mold described in any one of -8 according to claim 1, which is characterized in that the core model mould
Section is made of aluminium alloy.
10. variable cross-section shaped spiral housing mold described in any one of -8 according to claim 1, which is characterized in that the bottom plate
Inside edge A is circle, and the plate outer side edge B becomes larger from the arrival end towards the outlet end curvature, described outer
Wall is upwardly extended from the outer ledge B, and the top plate extends internally from the outer wall upper end-face edge C, and the top plate is from institute
It states arrival end and moves closer to the bottom plate towards the outlet end, the connecting plate is from the top plate inside edge D towards the bottom plate
Inside edge A extends, and the inner wall is extended downwardly from the connecting plate lower end edge E, and the inner wall is and the inside edge A
Corresponding round tubular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821103739.5U CN208682180U (en) | 2018-07-12 | 2018-07-12 | A kind of variable cross-section shaped spiral housing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821103739.5U CN208682180U (en) | 2018-07-12 | 2018-07-12 | A kind of variable cross-section shaped spiral housing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208682180U true CN208682180U (en) | 2019-04-02 |
Family
ID=65880433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821103739.5U Active CN208682180U (en) | 2018-07-12 | 2018-07-12 | A kind of variable cross-section shaped spiral housing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208682180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928013A (en) * | 2018-07-12 | 2018-12-04 | 台州市中冠模业有限公司 | A kind of variable cross-section shaped spiral housing mold |
-
2018
- 2018-07-12 CN CN201821103739.5U patent/CN208682180U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928013A (en) * | 2018-07-12 | 2018-12-04 | 台州市中冠模业有限公司 | A kind of variable cross-section shaped spiral housing mold |
| CN108928013B (en) * | 2018-07-12 | 2023-12-01 | 台州市中冠模业有限公司 | Variable cross-section spiral shell mould |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106553357A (en) | Hollow multi-cavity abnormal shape surface composite material complex structural member integral forming technique | |
| CN106393743A (en) | Composite material intake way forming mold | |
| CN102266909B (en) | Clamping casting process of solenoid valves and electrohydraulic valve castings | |
| CN208682180U (en) | A kind of variable cross-section shaped spiral housing mold | |
| WO2014190671A1 (en) | Method for manufacturing impeller of water pump, and water pump | |
| CN110202751A (en) | A kind of injection mould slanted structure | |
| CN108928013A (en) | A kind of variable cross-section shaped spiral housing mold | |
| CN209398634U (en) | Guide vane and engine blower comprising it | |
| CN109047659A (en) | A kind of gradient-structure sand mold extrusion forming method | |
| CN103769541B (en) | Volute center mold-splitting forming method and forming tooling | |
| CN212350289U (en) | Precoated sand splicing model suitable for large parts | |
| CN211165037U (en) | Mobile phone rear cover blank forming die with hydraulic device and comprising middle frame | |
| CN207983855U (en) | A kind of super thick plastic cement products based on injection molding | |
| CN208123643U (en) | Assembly type plastic pressure pipe, production mould and plastic plate, piping lane | |
| CN207240775U (en) | A kind of temperature control system of injecting machine material tube | |
| CN208100952U (en) | A kind of flow channel of injection die on-off structure | |
| CN111604469A (en) | Precoated sand splicing model suitable for large parts | |
| CN105800916A (en) | Mold structure for producing glass product | |
| CN217373560U (en) | Hot-proof lid RTM fills mould | |
| CN220464818U (en) | Compression molding's unmanned aerial vehicle intake duct lip forming die | |
| CN208629821U (en) | Air bag top cover mold with variable deflection channel | |
| CN218558028U (en) | Die for molding hollow glass fiber reinforced plastic reinforcing rib and glass fiber reinforced plastic reinforcing rib | |
| CN212446099U (en) | Vulcanizing mold with bidirectional pressure injection | |
| CN221022119U (en) | Multi-molding cavity injection mold capable of achieving one-time molding and demolding | |
| CN211137979U (en) | Mould is used in production of waterproof cap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |