CN209580224U - Prevent the mold coating of plastics sticking to mould - Google Patents
Prevent the mold coating of plastics sticking to mould Download PDFInfo
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- CN209580224U CN209580224U CN201821835311.XU CN201821835311U CN209580224U CN 209580224 U CN209580224 U CN 209580224U CN 201821835311 U CN201821835311 U CN 201821835311U CN 209580224 U CN209580224 U CN 209580224U
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- mould
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Abstract
The utility model relates to a kind of mold coatings for preventing plastics sticking to mould, belong to mould manufacturing field.This prevents the mold coating of plastics sticking to mould, coated on die matrix, it includes the binder course being formed on die matrix by PVD plated film, the wear-resisting transition zone being formed on binder course by PVD plated film and the anti-sticking functional layer being formed on wear-resisting transition zone by PVD plated film, binder course are titanium coating.The utility model has the beneficial effects that: die matrix possesses higher surface hardness, wearability height by the wear-resisting transition zone that PVD coating film treatment is formed, is conducive to the protection to die matrix, can effectively extend the service life of mold；Higher hardness is deposited in the outermost layer of mold and there is the anti-sticking functional layer for preventing injection molding blank bonding, be can avoid die surface injection molding blank bonding in injection molding process, can be greatly improved the precision and quality of product.
Description
Technical field
The utility model relates to a kind of mold coatings for preventing plastics sticking to mould, belong to mould manufacturing field.
Background technique
As the rapid development and plastic products of plastics industry are in Aeronautics and Astronautics, electronics, machinery, ship and automobile etc.
The popularization and application of industrial department, requirement of the product to injection mold are also higher and higher.
The service life is often shorter in use for plastic mould at present, and especially the dimensional accuracy of die surface and surface are thick
Rugosity is destroyed very fast.One of them important reason is that contact of the hot blank with die surface can generate very strong adhesion
So as to cause high frictional force, mold cavity surfaces is caused to destroy.Meanwhile the blank for being bonded in mold cavity surfaces can be to mould
Product when tool reuses has a negative impact, and product is caused defect occur.
Utility model content
The purpose of this utility model is to provide can one kind can prevent injection mold surface plastic materials from bonding, and promote it
Wearability, and then the mold coating for preventing plastics sticking to mould prolonged its service life.
In order to achieve the above objectives, the utility model provides the following technical solutions: a kind of mold coating preventing plastics sticking to mould,
Coated on die matrix, it includes the knot being formed on die matrix by PVD plated film that this, which prevents the mold coating of plastics sticking to mould,
It closes layer, the wear-resisting transition zone being formed on binder course by PVD plated film and is formed in by PVD plated film anti-on wear-resisting transition zone
Viscous functional layer, the binder course are titanium coating.
Further, the titanium coating with a thickness of 2~3 μm.
Further, the wear-resisting transition zone is titanium nitride coating.It can be effectively to mold base by titanium nitride coating
Body is protected, and the service life of mold is improved.
Further, the anti-sticking functional layer is chromium-rich chromium-aluminum nitride coating.Pass through the setting energy of chromium-aluminum nitride coating
Enough it effectively prevent mold, with injection molding blank bonding, to improve final product quality in injection molding process.
Further, the titanium nitride coating with a thickness of 4~6 μm.
Further, the chromium-aluminum nitride coating with a thickness of 1~2 μm.
Further, the atomic ratio of the chromium in the chromium nitride aluminum and aluminium is 2.4~4.5.
The utility model has the beneficial effects that: the utility model relates to heater armor, die matrix pass through PVD plate
The wear-resisting transition zone that film process is formed possesses higher surface hardness, wearability height, is conducive to the protection to die matrix, can
Effectively extend the service life of mold；Being deposited with higher hardness in the outermost layer of mold and have prevents the anti-of injection molding blank bonding
Viscous functional layer can avoid die surface injection molding blank bonding, in the service life for effectively extending mold in injection molding process
While can greatly improve the precision and quality of product.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of this practical mold coating for preventing plastics sticking to mould.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Referring to Fig.1, the mold coating that plastics sticking to mould is prevented in one of one preferred embodiment of the utility model, is coated on
On die matrix 1, it includes the binder course being formed on die matrix 1 by PVD plated film that this, which prevents the mold coating of plastics sticking to mould,
2, it the wear-resisting transition zone 3 that is formed on binder course 2 by PVD plated film and is formed in by PVD plated film anti-on wear-resisting transition zone 3
Viscous functional layer 4, binder course 2 are titanium coating, titanium coating with a thickness of 2~3 μm.
In the above-described embodiments, wear-resisting transition zone 3 is titanium nitride coating.It can be effectively to mold by titanium nitride coating
Matrix is protected, and improves the service life of mold, titanium nitride coating with a thickness of 4~6 μm.
In the above-described embodiments, anti-sticking functional layer 4 is chromium-rich chromium-aluminum nitride coating.Pass through the setting of chromium-aluminum nitride coating
Mold can be effectively prevent, with injection molding blank bonding, to improve final product quality, the thickness of chromium-aluminum nitride coating in injection molding process
Degree is 1~2 μm, and the atomic ratio of chromium and aluminium in chromium nitride aluminum is 2.4~4.5.
The utility model has the beneficial effects that: the utility model relates to heater armor, die matrix pass through PVD plate
The wear-resisting transition zone that film process is formed possesses higher surface hardness, wearability height, is conducive to the protection to die matrix, can
Effectively extend the service life of mold；Being deposited with higher hardness in the outermost layer of mold and have prevents the anti-of injection molding blank bonding
Viscous functional layer can avoid die surface injection molding blank bonding, in the service life for effectively extending mold in injection molding process
While can greatly improve the precision and quality of product.
The forming method of the above-mentioned mold coating for preventing plastics sticking to mould is,
1, die matrix ultrasonic cleaning, drying；Clamping, into vacuum cavity；
2, it vacuumizes, heat, reach 1.0x10-3Pa or more to vacuum degree, start PVD treatment process；
3, titanium coating: being evacuated down to 1.0x10-3Pa or more vacuum degree for vacuum cavity, and being passed through purity is
99.999% argon gas, pressure control open bias voltage control in 100- in 0.1-1pa, opening metal titanium electric arc target source
300V, duty ratio are controlled in 30-70%, and for the thickness control of coating at 2-3 μm, effect is to improve the combination of coating and matrix
Power.
4, titanium nitride coating: being evacuated down to 1.0x10-3Pa or more vacuum degree for vacuum cavity, and being passed through purity is
99.999% nitrogen, pressure control open bias voltage control in 10- in 0.5-1pa, opening metal titanium electric arc target source
1000V, duty ratio are controlled in 50-90%, and for the thickness control of coating at 4-6 μm, effect is to promote the wearability on mold surface layer
Energy.
5, vacuum cavity is evacuated down to 1.0x10-3Pa or more vacuum degree by chromium-aluminum nitride coating, and being passed through purity is
99.999% nitrogen, pressure control open bias voltage control and exist in 0.5-1pa, opening metal Cr-Al alloy electric arc target source
60-200V, duty ratio are controlled in 30-60%, and for the thickness control of coating at 1-2 μm, effect is to prevent injection molding blank bonding.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of mold coating for preventing plastics sticking to mould is coated on die matrix, it is characterised in that: described to prevent plastics sticking to mould
Mold coating include the binder course being formed in by PVD plated film on the die matrix, the knot is formed in by PVD plated film
It closes the wear-resisting transition zone on layer and the anti-sticking functional layer on the wear-resisting transition zone, the binder course is formed in by PVD plated film
For titanium coating.
2. the mold coating according to claim 1 for preventing plastics sticking to mould, it is characterised in that: the thickness of the titanium coating
Degree is 2~3 μm.
3. the mold coating according to claim 1 for preventing plastics sticking to mould, it is characterised in that: the wear-resisting transition zone is nitrogen
Change titanium coating.
4. the mold coating according to claim 1 for preventing plastics sticking to mould, it is characterised in that: the anti-sticking functional layer is richness
The chromium-aluminum nitride coating of chromium.
5. the mold coating according to claim 3 for preventing plastics sticking to mould, it is characterised in that: the thickness of the titanium nitride coating
Degree is 4~6 μm.
6. the mold coating according to claim 4 for preventing plastics sticking to mould, it is characterised in that: the chromium-aluminum nitride coating
With a thickness of 1~2 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821835311.XU CN209580224U (en) | 2018-11-08 | 2018-11-08 | Prevent the mold coating of plastics sticking to mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821835311.XU CN209580224U (en) | 2018-11-08 | 2018-11-08 | Prevent the mold coating of plastics sticking to mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209580224U true CN209580224U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821835311.XU Active CN209580224U (en) | 2018-11-08 | 2018-11-08 | Prevent the mold coating of plastics sticking to mould |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872398A (en) * | 2020-08-11 | 2020-11-03 | 江苏精研科技股份有限公司 | Method for preventing product from adhering to mould in powder injection moulding |
| CN112338466A (en) * | 2020-10-20 | 2021-02-09 | 襄阳宝辰机电有限公司 | Processing and manufacturing method of anti-adhesion precision mold |
-
2018
- 2018-11-08 CN CN201821835311.XU patent/CN209580224U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872398A (en) * | 2020-08-11 | 2020-11-03 | 江苏精研科技股份有限公司 | Method for preventing product from adhering to mould in powder injection moulding |
| CN112338466A (en) * | 2020-10-20 | 2021-02-09 | 襄阳宝辰机电有限公司 | Processing and manufacturing method of anti-adhesion precision mold |
| CN112338466B (en) * | 2020-10-20 | 2022-05-27 | 襄阳宝辰机电有限公司 | Processing and manufacturing method of anti-adhesion precision mold |
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