CN208881109U - A kind of inlaid piece of mould and mold - Google Patents
A kind of inlaid piece of mould and mold Download PDFInfo
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- CN208881109U CN208881109U CN201820885775.5U CN201820885775U CN208881109U CN 208881109 U CN208881109 U CN 208881109U CN 201820885775 U CN201820885775 U CN 201820885775U CN 208881109 U CN208881109 U CN 208881109U
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- mould
- inlaid piece
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- mold
- pipeline
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Abstract
The utility model provides a kind of inlaid piece of mould, and inlaid piece of mould surface is provided with gas access and gas vent, has the closed conduct of connection gas access and gas vent inside inlaid piece of mould.Inlaid piece of mould and mold provided by the utility model, it is cooled down by way of air cooling, shorten the cooling time in injection molding process, not only improve production efficiency, also assure the internal performance and apparent mass of moulding, at the same avoid getting rusty using steel caused by the impurity of water cooling Shi Shuizhong and water itself and blocking pipeline to reduce inlaid piece of mould with this be efficiency of actual and service life.
Description
Technical field
The utility model relates to automotive fields, and in particular to a kind of inlaid piece of mould and mold.
Background technique
In automotive field and other field, a large amount of moulding is used.
In injection moulding process, the plastic material melted completely injects the die cavity of mold with high pressure, uses the mode pair of water cooling
The plastic material melted in mold is cooled down, so that plastic material solidifies, obtains molding moulding.
Injection moulding process needs the temperature controlled to have barrel temperature, nozzle temperature and mold temperature etc..First two temperature is main
Influence the plasticizing and flowing of plastics, and mold temperature is mainly to influence the flowing and cooling of plastics, to the internal performance of product and
Apparent mass influences very big.
The height of mold temperature is decided by that plastics are crystalline whether there is or not, the size of product and properity requirement, Yi Jiqi
Its process conditions (melt temperature, injection speed and injection pressure, moulding cyclc etc.).
Do not cause variation for principle when the terminal of cooling time should be to guarantee article removal, property cooling time is typically number
Between seconds -120 seconds, cooling time it is too long It is not necessary to, not only reduce production efficiency, will also cause demoulding tired to complicated product
Difficulty, and demoulding stress even can be generated when forced demoulding, it causes moulding to deform or surface portion falls off or breakage.
Cooling process can generally be accelerated using water-cooling system, water-cooling system arranges cooling water in mold, inlaid piece of mould
It flowing into, the pipeline of outflow, internal diameter of the pipeline is generally at least 3mm, it just can guarantee the effective proper flow of cooling water, thus need to account for
According to certain space.Meanwhile it is important that steel caused by impurity and water itself in water get rusty and blocking pipeline with this
Reducing inlaid piece of mould is efficiency of actual and service life.
For producing in enormous quantities, in order to reduce the cooling time of moulding, production efficiency is improved, it is more and more to infuse
Plastic uses thin-wall construction, and honeycomb structure is the general design for guaranteeing moulding intensity, and this thin-skinned honeycomb structure
Inlaid piece of mould needs are quickly cooled down in injection moulding process.
However for the bigger thin-walled of the moulding of thin-skinned honeycomb structure, especially depth and open cross-sectional area
Honeycomb structure or thin-skinned honeycomb structure closed at one end.
Although thin-walled, due to deeper or closed at one end, heat along inlaid piece of mould conduct it is slower so that cooling time compared with
It is long, influence production efficiency；If cooling is insufficient, the internal performance and apparent mass of moulding after molding will affect, such as
It sticks together when thin-walled deformation, demoulding and surface portion is caused to fall off or damaged.
The space that thin-skinned honeycomb structure can result in mold insert is smaller, is difficult the pipe arrangement of water-cooling system to mold insert
In, therefore the cooling time can not be shortened using water-cooling system.
Summary of the invention
Aiming at the problems existing in the prior art, problem to be solved in the utility model is to provide a kind of inlaid piece of mould,
Middle setting air cooling channel, cools down it by way of air cooling, shortens the cooling time in injection molding process, not only mention
High efficiency, it is ensured that the internal performance and apparent mass of moulding, while avoid using water cooling Shi Shuizhong impurity and
Steel caused by water itself get rusty and blocking pipeline to reduce inlaid piece of mould with this be efficiency of actual and service life.
The utility model provides a kind of inlaid piece of mould, and inlaid piece of mould surface is provided with gas access and gas vent, mold
There is the closed conduct of connection gas access and gas vent inside mold insert.
Further, the internal diameter of pipeline is greater than or equal to 2mm or the cross section of pipeline is greater than or equal to 3mm2。
Further, pipeline includes special-shaped bent loop.
Further, gas access is located at the identical outer surface or different outer surfaces of inlaid piece of mould from gas vent.
Further, the inlaid piece of mould includes one or more protrusions, is provided with gas interconnected in each protrusion
Body flow ipe and gas flow out pipeline.
Further, gas flow ipe and gas outflow pipeline be arranged in parallel, not parallel setting or spatial arrangement.
Further, inlaid piece of mould is made of 3D printing.
Further, closed conduct has one or more branch or closed conduct is the network of pipe network shape.
The utility model also provides a kind of mold, including above-mentioned inlaid piece of mould and slide block insert.
Further, the gas access of inlaid piece of mould, gas vent gas access corresponding with sliding block, gas vent respectively
It is tightly connected, gas access, gas vent and the external air source of sliding block are tightly connected.
Compared with prior art, inlaid piece of mould and mold provided by the utility model, have the advantages that and pass through gas
Cold mode cools down it, shortens the cooling time in injection molding process, not only improves production efficiency, it is ensured that note
The internal performance and apparent mass of plastic, at the same avoid getting rusty using steel caused by the impurity of water cooling Shi Shuizhong and water itself and
It is efficiency of actual and service life that blocking pipeline, which reduces inlaid piece of mould with this,.
Detailed description of the invention
Fig. 1 is the schematic diagram of the instrument housing in one embodiment of the utility model；
Fig. 2 is the partial enlarged view with cellular structure of instrument housing shown in FIG. 1；
Fig. 3 is in instrument housing injection moulding process shown in Fig. 1, and mold insert is located at the schematic diagram of cellular structure part；
Fig. 4 is the perspective view of mold insert shown in Fig. 3；
Fig. 5 is the schematic diagram of the instrument housing of another embodiment of the utility model；
Fig. 6 is in the injection moulding process of instrument housing shown in Fig. 5, and mold insert is located at the signal of cellular structure part
Figure；
Fig. 7 is the perspective view of a mold insert shown in fig. 6.
Specific embodiment
Fig. 1 shows the instrument housing 1 in one embodiment of the utility model, is used to be fixed to vehicle on instrument housing 1
The part of body is cellular structure 11.
As shown in Fig. 2, the intensity in order to guarantee the part, guarantees that instrument firmly installs, have inside cellular structure 11
There are multiple reinforcing ribs, and the other end is closed.
(section is rectangle, triangle or diamond shape etc. to this structure, and partial cross section's product is about 40mm2, or smaller), it is depth
And the ratio of open cross-sectional area is greater than 0.8 (mm:mm2) and thin-skinned honeycomb structure closed at one end, since depth is relatively deep and one
End seal is closed, and the heat on mold insert sheds relatively slow, it is therefore desirable to cooling system be arranged and accelerate heat dissipation.
And the component 11 ' on instrument housing 1, although in structure being also thin-skinned honeycomb structure, since depth is smaller, edge
Heat on part can quickly shed, and not need that special cooling system is arranged.
For cellular structure 11, the water cooling that internal diameter requirement is greater than 3mm can not be set on the mold insert 21 that uses on mold
System, and it is not provided with cooling system, it will lengthen cooling time, for producing in enormous quantities, will be greatly reduced production efficiency；But such as
Fruit cooling is insufficient, will result in moulding deformation or surface portion falls off or breakage.
As shown in figure 3, using mold insert 21,21 surface 211 of mold insert is provided with gas access 2111 and gas in injection moulding process
Body exports 2112 (the two can be interchanged), has the sealed tube of connection gas access 2111 and gas vent 2112 inside mold insert 21
Road, as shown in Figure 4.
Since using gas is cooling, the internal diameter of pipeline can be less than the pipeline of water-cooling system, that is, can guarantee the flow velocity of gas,
To achieve the purpose that quickly to reduce by 21 temperature of mold insert.As long as the internal diameter of pipeline is greater than or equal to 2mm in the present embodiment.
Certainly according to the actual situation, cross section also can be used more than or equal to 3mm2Pipeline；In addition mold insert is usually
Non-regular shape, therefore the pipeline of mold insert would generally include special-shaped bent loop (water-cooling system is difficult to realize), it is quick to realize
Reduce the temperature of mold insert.
In the present embodiment, gas access 2111 is located at the identical outer surface of inlaid piece of mould, i.e. mold insert with gas vent 2112
21 surface 211, gas access 2111 are connect with gas vent 2112 with the pipeline on mold, realize air cooling.
Specifically, the gas access 2111 of inlaid piece of mould 21, gas vent 2112 are respectively and in respective slide on mold
Gas access, gas vent are tightly connected, and gas access, gas vent and the external air source of sliding block are tightly connected.Mold insert and cunning
Block is connected by 2mm tracheae sealing ring, and sliding block and external air source are tightly connected by 4~5mm tracheae.
Small-bore gas access, gas vent, which can all install muffler, reduces noise pollution.
For the mold insert 21 of cellular structure, including four protrusions 212, as shown in figure 4, setting in each raised 212
There is gas flow ipe 2121 interconnected to flow out pipeline 2122 with gas.
When injection molding, gas is flowed into from gas access 2111 enters first left protrusion 212, by gas flow ipe
2121 flow out pipeline 2122 with gas, flow into second left protrusion 212 ..., gas is enabled to flow through each raised 212,
Heat is taken away, so as to shorten cooling time.
In the present embodiment, gas flow ipe 2121 is arranged in parallel with gas outflow pipeline 2122, naturally it is also possible to uneven
Row setting, or even be not straight pipeline, pipeline is flowed out using the gas flow ipe and gas of spatial arrangement, such as double helix.
Since internal structure is complex, and narrow space, using common machining mode, difficulty of processing is high,
Therefore the inlaid piece of mould 21 in the present embodiment is made of 3D printing.
In other examples, closed conduct can also have a plurality of branch, be also possible to the network of pipe network shape.
Fig. 5 shows the instrument housing 1 in another embodiment of the utility model, is used to be fixed on instrument housing 1
The part of car body is cellular structure 12,13, as shown in fig. 6, correspondingly using mold insert 22,23 in injection moulding process.
In Fig. 7, gas access 2211 is located on the outer surface 221 of mold insert 22, and gas vent 2221 is located at the another of mold insert 22
On one outer surface, that is, gas access 2211 is located on the different outer surfaces of mold insert 22 from gas vent 2221.Different
Mold, it may be necessary to different gas pipelines is set, thus gas access can be set from gas vent in different outer surfaces, just
In the connection with sliding block, external air source.
Mold insert specially refers in mold for inlaying irregular dieparts in a mold, can be rectangular, round, piece
Type etc. is very high to precision requirement as all dieparts, typically no finished product, needs to carry out according to mold
It is customized.
It further include pin, insert, edge column, insert etc., in other embodiments in addition to the mold insert of above-mentioned thin-skinned honeycomb structure
In, pin, insert, edge column or insert can equally be cooled down, by the way of air cooling to shorten in injection molding process
Cooling time.
Although the utility model has been disclosed in the preferred embodiments as above, the utility model is not limited to this.Any
Field technical staff, made various changes and modification, should all be included in this without departing from the spirit and scope of the utility model
In the protection scope of utility model, therefore the protection scope of the utility model should be defined by the scope defined by the claims..
Claims (8)
1. a kind of inlaid piece of mould, which is characterized in that the inlaid piece of mould surface is provided with gas access and gas vent, mold edge
There is the closed conduct of connection gas access and gas vent, gas access is located at the phase of inlaid piece of mould with gas vent inside part
With outer surface or different outer surfaces, the inlaid piece of mould includes one or more protrusions, is provided with interconnection in each protrusion
Gas flow ipe and gas flow out pipeline.
2. inlaid piece of mould as described in claim 1, which is characterized in that the internal diameter of pipeline is greater than or equal to the cross of 2mm or pipeline
Section is greater than or equal to 3mm2。
3. inlaid piece of mould as described in claim 1, which is characterized in that pipeline includes special-shaped bent loop.
4. inlaid piece of mould as described in claim 1, which is characterized in that pipeline is parallel sets for the outflow of gas flow ipe and gas
It sets, not parallel setting or spatial arrangement.
5. inlaid piece of mould as described in claim 1, which is characterized in that the inlaid piece of mould is made of 3D printing.
6. inlaid piece of mould as described in claim 1, which is characterized in that closed conduct has one or more branch, Huo Zhefeng
Stopped pipe road is the network of pipe network shape.
7. a kind of mold, which is characterized in that including inlaid piece of mould described in any one of claims 1-6.
8. mold as claimed in claim 7, which is characterized in that the gas access of inlaid piece of mould, gas vent respectively with mold
Or the corresponding gas access of mould slide block, gas vent are tightly connected, the gas access of mold or mould slide block, gas vent with
External air source is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885775.5U CN208881109U (en) | 2018-06-07 | 2018-06-07 | A kind of inlaid piece of mould and mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885775.5U CN208881109U (en) | 2018-06-07 | 2018-06-07 | A kind of inlaid piece of mould and mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208881109U true CN208881109U (en) | 2019-05-21 |
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ID=66505317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820885775.5U Active CN208881109U (en) | 2018-06-07 | 2018-06-07 | A kind of inlaid piece of mould and mold |
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| CN (1) | CN208881109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619040A (en) * | 2021-08-23 | 2021-11-09 | 广东东亚电器有限公司 | Automobile injection molding part mold formed by air cooling |
-
2018
- 2018-06-07 CN CN201820885775.5U patent/CN208881109U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619040A (en) * | 2021-08-23 | 2021-11-09 | 广东东亚电器有限公司 | Automobile injection molding part mold formed by air cooling |
| CN113619040B (en) * | 2021-08-23 | 2023-09-22 | 广东东亚电器有限公司 | Automobile injection molding die formed by air cooling |
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