CN207172650U - Computer fan blade push pin device - Google Patents
Computer fan blade push pin device Download PDFInfo
- Publication number
- CN207172650U CN207172650U CN201720323521.XU CN201720323521U CN207172650U CN 207172650 U CN207172650 U CN 207172650U CN 201720323521 U CN201720323521 U CN 201720323521U CN 207172650 U CN207172650 U CN 207172650U
- Authority
- CN
- China
- Prior art keywords
- fan blade
- cover half
- thimble
- dynamic model
- blade
- 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.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of computer fan blade push pin device, it is related to injection molding technology, if for solving ejection position selection in three leaves, then in ejection process, blade certainty stress deformation, or even root of blade can be made to ftracture, it is impossible to ensure the form accuracy and dimensional accuracy of blade, and top trace is left on blade, the problem of influenceing outward appearance.It includes cover half, the fixed mold being arranged on cover half, dynamic model, the dynamic mould core being arranged on dynamic model, and the cover half is located above dynamic model, and at least two ejector pin mechanism is provided with the dynamic model.Deformable blade is prevented, and it is smaller to fan blade appearance effects to eject vestige.
Description
Technical field
Injection molding technology is the utility model is related to, is computer fan blade push pin device specifically.
Background technology
Plastics industry is one of fastest-rising industrial class in the world today, and injection mold is that wherein development is faster
Species, therefore, research injection mold have great significance to understanding the production process of plastic product and improving quality.
Fan leaf is complex-shaped, and wall unevenness, dimension precision requirement is higher, and it has higher surface quality and size
Stability requirement.Fan leaf is plastics mostly, and it is typically made using injection molding mode.And injection moulding have it is following excellent
Point：Almost limited without complexity, allow there are different thermoplastic piece plastics in mould；The quality of plastic is not limited；One
There is the thermoplastic of suitable flow properties in constant temperature degree；The high-precision plastic of injectable, there are preferable surface quality and size
Stability etc..
Patent document 201310327696.4 discloses a kind of fan blade mould, and it includes mould parent and and mould
The die male body that matches of tool parent, is provided with fan blade injection slot on described mould parent, in described mould parent
And cold water circulation duct is provided with below fan blade injection slot, described cold water circulation duct is located at fan blade note
The bottom of groove is moulded, heating module is provided with described mould parent, draw ring is fixed with described mould parent.Its advantage
It is：The quality of the fan blade of injection is high, and mould has good cooling effect, can accelerate the sizing speed of fan blade.
But prior art has the following disadvantages, due to the determination of product die joint, ejection position of the ejector pin mechanism to product
Put and often play different degrees of limitation.For plastic fan blade mould, if ejection position selection is being pushed up on three leaves
During going out, blade certainty stress deformation, or even root of blade can be made to ftracture, it is impossible to ensure the form accuracy and size essence of blade
Degree, and top trace is left on blade, influence outward appearance.Fan blade stays in dynamic model side after mold open, is that fan blade blade tightly embraces type
The result of core, i.e. package power are concentrated mainly on core outer surface.But, it is contemplated that fan leaf pedestal wall thickness only has 2mm, if will top
Out position is selected on pedestal, will influence its cylindricity, and it is difficult to ensure that its wall thickness.
Utility model content
The utility model purpose, which is intended to provide one kind, prevents deformable blade, and eject vestige to fan blade appearance effects compared with
Small computer fan blade push pin device.
To realize above-mentioned technical purpose, the technical solution adopted in the utility model is as follows：
Computer fan blade push pin device, including cover half, the fixed mold being arranged on cover half, dynamic model, be arranged at it is dynamic
Dynamic mould core on mould, the cover half are located above dynamic model, and at least two ejector pin mechanism, the thimble machine are provided with the dynamic model
Structure includes thimble base, gag lever post and thimble, and the gag lever post lower end connects thimble base, thimble is cased with the gag lever post,
Fan blade is touched in the thimble upper end, and the thimble upper end is rectangle, and a diameter of 0.5~0.8dm.
Using the utility model of above-mentioned technical proposal, using a diameter of 0.5~0.8dm 2 thimbles, while list is acted on
On individual blade, deformable blade can be prevented, avoids root of blade from ftractureing, and it is smaller to fan blade appearance effects to eject vestige.Need
Bright, to ensure the stable movement of thimble, thimble uniform force and parking position accuracy, thimble side wall can set up banking stop.
Further limit, the spacing pole length is 40~45dm.
Further limit, a diameter of 2~4dm of the thimble base.
It is easy to be actually needed the diameter of regulation thimble according to fan blade using a diameter of 2~4dm thimble base.
Further limiting, sprue die cavity is provided with the cover half, the sprue die cavity upper surface is provided with the first guide pillar,
The fixed mold is provided with the first guide pin bushing for being used for inserting the first guide pillar.
Using the first guide pillar and the position at the sprue gate of the first guide pin bushing fast positioning sprue die cavity, ensure the shape of blade
Precision and dimensional accuracy.
Further limit, a diameter of 60~80dm of the sprue die cavity.
Further limit, fin is provided with the cover half.
The plastics temperature being expelled in mould is reduced using fin.
Further limit, upper cooling pipe is provided with the cover half, upper cooling pipe lower end connects fixed mold, its upper end
Connection is extraneous；Lower cooling pipe is provided with the dynamic model, lower cooling pipe upper end connects dynamic mould core, and the connection of its lower end is extraneous.
The temperature of plastic to be removed in mould is reduced using upper cooling pipe and lower cooling pipe.
Compared with prior art, and can enough reaches permissible accuracy to the utility model while realizing production in enormous quantities.
Brief description of the drawings
The utility model can be further illustrated by the nonlimiting examples that accompanying drawing provides；
Fig. 1 is the utility model computer fan blade push pin device schematic diagram；
Fig. 2 is the utility model ejector pin mechanism schematic diagram；
Main element symbol description is as follows：
Cover half 1, fixed mold 2, dynamic model 3, dynamic mould core 4, thimble base 5, gag lever post 6, thimble 7, sprue die cavity 8,
First guide pillar 9, the first guide pin bushing 10, upper cooling pipe 11, lower cooling pipe 12.
Embodiment
In order that the utility model may be better understood in those skilled in the art, it is right with reference to the accompanying drawings and examples
Technical solutions of the utility model further illustrate.
Embodiment one,
Such as Fig. 1, shown in Fig. 2, computer fan blade push pin device, including cover half 1, the cover half type that is arranged on cover half 1
Core 2, dynamic model 3, the dynamic mould core 4 being arranged on dynamic model 3, cover half 1 are located at the top of dynamic model 3,2 ejector pin mechanisms are provided with dynamic model 3,
Ejector pin mechanism includes thimble base 5, gag lever post 6 and thimble 7, and the lower end of gag lever post 6 connects thimble base 5, is cased with pushing up in gag lever post 6
Fan blade is touched in pin 7, the upper end of thimble 7, and the upper end of thimble 7 is rectangle, and a diameter of 0.6dm.
The length of gag lever post 6 is 40dm.
A diameter of 2dm of thimble base 5.
Sprue die cavity 8 is provided with cover half 1, the upper surface of sprue die cavity 8 is provided with the first guide pillar 9, and fixed mold 2, which is provided with, to be used
In the first guide pin bushing 10 for inserting the first guide pillar 9.
A diameter of 60dm of sprue die cavity 8.
Embodiment two,
Such as Fig. 1, shown in Fig. 2, computer fan blade push pin device, including cover half 1, the cover half type that is arranged on cover half 1
Core 2, dynamic model 3, the dynamic mould core 4 being arranged on dynamic model 3, cover half 1 are located at the top of dynamic model 3,2 ejector pin mechanisms are provided with dynamic model 3,
Ejector pin mechanism includes thimble base 5, gag lever post 6 and thimble 7, and the lower end of gag lever post 6 connects thimble base 5, is cased with pushing up in gag lever post 6
Fan blade is touched in pin 7, the upper end of thimble 7, and the upper end of thimble 7 is rectangle, and a diameter of 0.6dm.
The length of gag lever post 6 is 40dm.
A diameter of 2dm of thimble base 5.
Sprue die cavity 8 is provided with cover half 1, the upper surface of sprue die cavity 8 is provided with the first guide pillar 9, and fixed mold 2, which is provided with, to be used
In the first guide pin bushing 10 for inserting the first guide pillar 9.
A diameter of 60dm of sprue die cavity 8.
Fin is provided with cover half 1.
Upper cooling pipe 11 is provided with cover half 1, the upper lower end of cooling pipe 11 connects fixed mold 2, and the connection of its upper end is extraneous；
Lower cooling pipe 12 is provided with dynamic model 3, the lower upper end of cooling pipe 12 connects dynamic mould core 4, and the connection of its lower end is extraneous.
The difference of embodiment one and embodiment two is, for embodiment one, in embodiment two, in order to prevent plastic
Deformation and raising productivity ratio, mould just should be sufficiently cool, therefore, is reduced using upper cooling pipe and lower cooling pipe in mould
The temperature of plastic to be removed.
It should be noted that sprue die cavity (being also charging aperture), it is connection injector charging barrel spray nozzle and injection molding
Bridge, and melting plastics enter the place passed through at first during mold cavity.The size and plastics of sprue die cavity enter
The speed and mould-filling time length close relation of die cavity.If sprue die cavity is too big, its sprue die cavity plastics volume increases
Greatly, it is more to reclaim cold burden, cool time growth, the air for making to contain increases, if exhaust is bad, gas is easily caused in plastic products
Vortex and cooling deficiency, main flow are formed when steeping or organize the defects of loose, influence plastic products quality, while also easily causing charging
Difficulty is stripped outside road die cavity；If sprue die cavity is too small, film-cooled heat of the plastics in flow process accordingly increases, heat damage
Increase is lost, viscosity improves, and mobility reduces, and injection pressure increase, easily causes plastic products forming difficulty.
Computer fan blade push pin device provided by the utility model is described in detail above.Specific embodiment
Explanation be only intended to help and understand method and its core concept of the present utility model.It should be pointed out that for the art
For those of ordinary skill, on the premise of the utility model principle is not departed from, some change can also be carried out to the utility model
Enter and modify, these are improved and modification is also fallen into the protection domain of the utility model claims.
Claims (5)
1. computer fan blade push pin device, including cover half, the fixed mold being arranged on cover half, dynamic model, it is arranged at dynamic model
On dynamic mould core, the cover half is located above dynamic model, it is characterised in that：At least two ejector pin mechanism, institute are provided with the dynamic model
Stating ejector pin mechanism includes thimble base, gag lever post and thimble, and the gag lever post lower end connects thimble base, the gag lever post inner sleeve
There is thimble, fan blade is touched in the thimble upper end, and the thimble upper end is rectangle, and a diameter of 0.5~0.8dm；It is described
Spacing pole length is 40~45dm；A diameter of 2~4dm of the thimble base.
2. computer fan blade push pin device according to claim 1, it is characterised in that：Main flow is provided with the cover half
Road die cavity, the sprue die cavity upper surface are provided with the first guide pillar, and the fixed mold, which is provided with, is used to inserting the of the first guide pillar
One guide pin bushing.
3. computer fan blade push pin device according to claim 2, it is characterised in that：The sprue die cavity it is straight
Footpath is 60~80dm.
4. computer fan blade push pin device according to claim 3, it is characterised in that：Radiating is provided with the cover half
Piece.
5. computer fan blade push pin device according to claim 4, it is characterised in that：It is provided with the cover half upper cold
But pipeline, upper cooling pipe lower end connect fixed mold, and the connection of its upper end is extraneous；Lower cooling pipe is provided with the dynamic model, under
Cooling pipe upper end connects dynamic mould core, and the connection of its lower end is extraneous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720323521.XU CN207172650U (en) | 2017-03-30 | 2017-03-30 | Computer fan blade push pin device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720323521.XU CN207172650U (en) | 2017-03-30 | 2017-03-30 | Computer fan blade push pin device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207172650U true CN207172650U (en) | 2018-04-03 |
Family
ID=61732430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720323521.XU Expired - Fee Related CN207172650U (en) | 2017-03-30 | 2017-03-30 | Computer fan blade push pin device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207172650U (en) |
-
2017
- 2017-03-30 CN CN201720323521.XU patent/CN207172650U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20190330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |