CN206009841U - A kind of Mould for Metal Injection tool - Google Patents
A kind of Mould for Metal Injection tool Download PDFInfo
- Publication number
- CN206009841U CN206009841U CN201620692728.XU CN201620692728U CN206009841U CN 206009841 U CN206009841 U CN 206009841U CN 201620692728 U CN201620692728 U CN 201620692728U CN 206009841 U CN206009841 U CN 206009841U
- Authority
- CN
- China
- Prior art keywords
- mold cavity
- cavity part
- mould
- material end
- metal injection
- 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 Mould for Metal Injection tool, including mold cavity part and ejecting mechanism, mold cavity part is in strip, mold cavity part is provided with side and enters glue formula cast gate, mold cavity part two ends are equipped with appearance material end, hold the intracavity inter-connection at material end and mold cavity part, ejecting mechanism is corresponding with material end is held.Increase effectively the flow of charging compared to existing technology, shorten time of the melting charge full of mold cavity part, the setting for holding material end prevents the filling that cold burden is caused uneven, while being also more easy to be ejected.
Description
Technical field
The utility model is related to mould applications, particularly a kind of Mould for Metal Injection tool.
Background technology
Modern plastics injection molding technology is introduced field of powder metallurgy and is formed by Metal Injection Molding
One novel powder and organic binder bond with mixing, after granulation under heating plasticizing state in injection machine injection die cavity
Solidified forming, then will shape the binding agent removing in base with the method for chemistry or thermal decomposition, finally sintered densified obtain
Final products.The features such as compared with traditional handicraft with high precision, even tissue, excellent performance, low production cost, its product is wide
General application with Electronics and Information Engineering, biomedical devices, office equipment, automobile, machinery, five metals, sports apparatus, timepiece industry and
The industrial circles such as Aero-Space.Mould for Metal Injection tool is mainly comprised the following steps：(1) shaped portion：By structure
Mold cavity part into plastic parts shape is constituted；(2) running gate system：Melting charge enters the passage flowed through by mold cavity part；(3) lead
To mechanism：Guarantee the accurate of mold cavity part position；(4) ejecting mechanism：Device by the plastic ejection of shaping；(5) cooling system
System：For cooling down mold cavity part, accelerate solidified forming speed.Although the technology is widely used and relative maturity but actually used
Many problems are still suffered from production.
Fig. 1 and Fig. 2 are the mold cavity part of two kinds of common slim-lined constructions, in Fig. 1, due to pouring in the middle part of mold cavity part
Mouth (reference 1) is tapered, so charging rate is slower, for the mold cavity part of this elongated shape, melting charge
Two ends to be flowed to from centre and be accomplished by the longer time, period melting charge easily occurs cold burden, cause filling thickness inequality, finished product easy
The shortcoming of deformation.In Fig. 2, there is (reference 2) at globoidal structure easily mucous membrane occur at mold cavity part two ends, while ejector
Structure is difficult to put forth effort, and shaping plastic ejection is difficult.
Utility model content
For the problem that above-mentioned prior art is present, the utility model provides a kind of Mould for Metal Injection tool.
A kind of Mould for Metal Injection tool, including mold cavity part and ejecting mechanism, mold cavity part is in strip, mould
Tool die cavity part is provided with side and enters glue formula cast gate, and mold cavity part two ends are equipped with appearance material end, hold material end interior with mold cavity part
Chamber is connected, and ejecting mechanism is corresponding with material end is held.
Further, hold material end to be made up of the columnar member and panel-like member that are connected, and panel-like member and mold cavity part end
Portion is connected.
Further, ejecting mechanism is corresponding with one end of columnar member.
Further, ejecting mechanism includes：Thimble, thimble are corresponding with one end of columnar member.
Further, glue formula cast gate is entered for semi-cylindrical in side.
Further, cast gate is arranged at the midpoint of the positive side of mold cavity part.
Further, mold cavity part is provided with cooling nozzle.
The utility model compared with prior art, by the way of cast gate enters glue using side, increase effectively compared to existing technology
The flow of charging, shortens time of the melting charge full of mold cavity part, and the filling for preventing cold burden from causing is uneven.In mold cavity
The two ends of part arrange and hold material end, play the cold burden contained in flowing, it is ensured that the inner chamber of mold cavity part uniformly can be filled,
Appearance material end is cut away after the completion of injection, even if so in the uneven of appearance material end filling, also not interfering with the final molding of product.Top
Pin is corresponding with material end is held, and can be not in very easily by the plastic ejection of shaping existing product due to the corresponding arc of thimble
Shape face is difficult to the problem for ejecting.
Description of the drawings
Fig. 1 is a kind of mold cavity part structural representation of common slim-lined construction.
Fig. 2 is the mold cavity part structural representation of another kind of common slim-lined construction.
Structural representations of the Fig. 3 for mold cavity part.
Part-structure enlarged drawings of the Fig. 4 for mold cavity part.
Wherein, the corresponding parts title is marked to be in accompanying drawing：1- cast gates, 2- globoidal structures, 3- enter side glue formula cast gate, 4-
Hold material end, 401- panel-like members.402- columnar members.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, and embodiment of the present utility model includes
But it is not limited to the following example.
Embodiment one
A kind of Mould for Metal Injection tool as shown in Figure 3 and Figure 4, including mold cavity part and ejecting mechanism, mould
Tool die cavity part is used for making melting charge fixed-type.In strip, mold cavity part is provided with side and enters glue formula cast gate 3 mold cavity part,
Conventional click-through glue formula cast gate is compared, side is entered glue formula cast gate 3 and can carry more flows.Mold cavity part two ends are equipped with appearance
Material end 4, holds the intracavity inter-connection at material end 4 and mold cavity part so that melting charge can flow into appearance material end 4, ejecting mechanism and appearance
Material end 4 is corresponding, is easy to the plastic ejection of shaping.
Hold material end 4 to be made up of the columnar member 402 and panel-like member 401 that are connected, and panel-like member 401 and mold cavity part end
Portion is connected, and panel-like member 401 can be regarded as the extension at mold cavity part two ends, and melting charge can first pass through panel-like member 401 and then flow into
Columnar member 402, it is ensured that fill inside mold cavity part, shaping plastic is completely indefectible.
In the present embodiment, ejecting mechanism is corresponding with one end of columnar member 402.Ejecting mechanism includes：Thimble, thimble and post
One end of shape part 402 is corresponding.Two kinds of prior arts as depicted in figs. 1 and 2, the top of traditional mold cavity part ejecting mechanism
Pin is corresponding with arcwall face, so be difficult to smoothly eject plastic, and thimble is mutually agreed with columnar member 402 in the utility model, i.e.,
Thimble is corresponding with the plane of 402 one end of columnar member, can be good at putting forth effort, convenient ejection.And appearance can be cut off finally
Material end 4, even if hold the problems such as mucous membrane, melting charge skewness occurs in material end 4 do not interfere with final product yet.
Embodiment two
A kind of Mould for Metal Injection tool as shown in Figure 3 and Figure 4, including mold cavity part and ejecting mechanism, mould
Tool die cavity part is used for making melting charge fixed-type.In strip, mold cavity part is provided with side and enters glue formula cast gate 3 mold cavity part,
Conventional click-through glue formula cast gate is compared, side is entered glue formula cast gate and can carry more flows.Mold cavity part two ends are equipped with appearance
Material end 4, holds the intracavity inter-connection at material end 4 and mold cavity part so that melting charge can flow into appearance material end 4, ejecting mechanism and appearance
Material end 4 is corresponding, is easy to the plastic ejection of shaping.
In the present embodiment, cast gate enters glue formula cast gate 3 for half-terete side, and relatively conventional cast gate, cast gate can be carried
The melting charge input of greater flow, especially for the mold cavity part of this elongated strip shaped, effectively can prevent from filling completely
Occurred the situation of cold burden before full, it is ensured that formed product complete.After the completion of injection, meeting cutting side enters glue formula cast gate 3, no
The shaping of plastic can be affected.
In the present embodiment, cast gate is arranged at the midpoint of the positive side of mold cavity part so that melting charge can uniformly to
Two ends are spread, and prevent one end filling time long situation for cold burden occur.
Embodiment three
A kind of Mould for Metal Injection tool as shown in Figure 3 and Figure 4, including mold cavity part and ejecting mechanism, mould
Tool die cavity part is used for making melting charge fixed-type.In strip, mold cavity part is provided with side and enters glue formula cast gate 3 mold cavity part,
Conventional click-through glue formula cast gate is compared, side is entered glue formula cast gate and can carry more flows.Mold cavity part two ends are equipped with appearance
Material end 4, holds the intracavity inter-connection at material end 4 and mold cavity part so that melting charge can flow into appearance material end 4, ejecting mechanism and appearance
Material end 4 is corresponding, is easy to the plastic ejection of shaping.
Hold material end 4 to be made up of the columnar member 402 and panel-like member 401 that are connected, and panel-like member 401 and mold cavity part end
Portion is connected, and panel-like member 401 can be regarded as the extension at mold cavity part two ends, and melting charge can first pass through panel-like member 401 and then flow into
Columnar member 402, it is ensured that fill inside mold cavity part, shaping plastic is completely indefectible.
In the present embodiment, ejecting mechanism is corresponding with one end of columnar member 402.Ejecting mechanism includes：Thimble, thimble and post
One end of shape part 402 is corresponding.Two kinds of prior arts as depicted in figs. 1 and 2, the top of traditional mold cavity part ejecting mechanism
Pin is corresponding with arcwall face, so be difficult to smoothly eject plastic, and in the utility model thimble mutually agree with columnar member 402 can
Put forth effort well, convenient ejection.And hold material end 4 can finally cut off, even if holding material end 4 mucous membrane, melting charge distribution occurs
Uneven the problems such as, does not interfere with final product yet.
In the present embodiment, cast gate enters glue formula cast gate 3 for half-terete side, and relatively conventional cast gate, cast gate can be carried
The melting charge input of greater flow, especially for the mold cavity part of this elongated strip shaped, can effectively prevent mold cavity
The inner chamber of part occurred the situation of cold burden before being completely filled with, it is ensured that formed product complete.Can cut off after the completion of injection
Glue formula cast gate 3 is entered in side, does not interfere with the shaping of plastic.
In the present embodiment, cast gate is arranged at the midpoint of the positive side of mold cavity part so that melting charge can uniformly to
Two ends are spread, and prevent one end filling time long situation for cold burden occur.
In order to accelerate to cool down, mold cavity part is provided with cooling nozzle to the present embodiment, after melting charge filling is finished, Xiang Leng
But the mouth of a river is passed through circulating water to accelerate to make melting charge quickly cool down, and accelerates plastic parts moulding.
Claims (7)
1. a kind of Mould for Metal Injection has, including mold cavity part and ejecting mechanism, it is characterised in that mold cavity part
In strip, mold cavity part is provided with side and enters glue formula cast gate（3）, mold cavity part two ends are equipped with appearance material end（4）, hold material end
（4）With the intracavity inter-connection of mold cavity part, ejecting mechanism and appearance material end（4）Corresponding.
2. a kind of Mould for Metal Injection according to claim 1 has, it is characterised in that hold material end（4）By being connected
Logical columnar member（402）And panel-like member（401）Composition, and panel-like member（401）It is connected with mold cavity part end.
3. a kind of Mould for Metal Injection according to claim 2 has, it is characterised in that ejecting mechanism and columnar member
（402）One end corresponding.
4. a kind of Mould for Metal Injection according to claim 3 has, it is characterised in that ejecting mechanism includes：Top
Pin, thimble and columnar member（402）One end corresponding.
5. a kind of Mould for Metal Injection according to claim 1 has, it is characterised in that enter glue formula cast gate in side（3）
For semi-cylindrical.
6. a kind of Mould for Metal Injection according to claim 1 has, it is characterised in that cast gate is arranged at mould type
The midpoint of chamber Jian Zheng sides.
7. a kind of Mould for Metal Injection according to claim 1 has, it is characterised in that mold cavity part is provided with
Cooling nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620692728.XU CN206009841U (en) | 2016-06-30 | 2016-06-30 | A kind of Mould for Metal Injection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620692728.XU CN206009841U (en) | 2016-06-30 | 2016-06-30 | A kind of Mould for Metal Injection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206009841U true CN206009841U (en) | 2017-03-15 |
Family
ID=58243263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620692728.XU Expired - Fee Related CN206009841U (en) | 2016-06-30 | 2016-06-30 | A kind of Mould for Metal Injection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206009841U (en) |
-
2016
- 2016-06-30 CN CN201620692728.XU patent/CN206009841U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20210630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |