CN202462798U - Lubricant hot runner valve needle - Google Patents
Lubricant hot runner valve needle Download PDFInfo
- Publication number
- CN202462798U CN202462798U CN201220007891XU CN201220007891U CN202462798U CN 202462798 U CN202462798 U CN 202462798U CN 201220007891X U CN201220007891X U CN 201220007891XU CN 201220007891 U CN201220007891 U CN 201220007891U CN 202462798 U CN202462798 U CN 202462798U
- Authority
- CN
- China
- Prior art keywords
- hot runner
- flow path
- valve needle
- runner valve
- hot flow
- 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 relates to a lubricant hot runner valve needle; a main mould body is internally provided with a melt channel which is internally provided with a hot runner valve needle; the hot runner valve needle is provided with a nickel phosphorus tungsten disulfide surface coating; and the surface coating has the thickness of 5-7mu m. The surface of the hot runner valve needle is provided with the surface coating, so that the friction coefficient is reduced, and the abrasion is reduced. The lubricant hot runner valve needle is free from any harmful component, thus being safe and environment-friendly.
Description
Technical field
The utility model relates to a kind of hot flow path needle, is specifically related to a kind of lubricated hot flow path needle, belongs to the technical field of machine components.
Background technology
The needle valve hot runner mould all obtains using very widely in current each industrially developed country and area.Pin during use in the nozzle hole, the intact back of injection moulding can move forward through the effect of valve, thereby stops up nozzle, makes injection again, and the sizing material that is mapped in the die cavity can not reflux.Need not clear up into glue point with this hot flow path, because very smooth.
The needle valve hot runner mould has the characteristics that showing as follows:
(1) shortens the product molding cycle.Because do not have the runner system restriction of cool time, just can in time eject behind the product forming and hardening.
(2) letter economizes plastic raw materials.In pure hot runner mould because of there not being cold pouring channel, so there is not production waste.This application item meaning for the plastics expensive is especially great.In fact, all the expensive age of oil and plastics has obtained swift and violent development in the world in the main in the world living manufacturer of hot flow path.Because the hot flow path technology is to reduce the effective way that waste material reduces waste material.
(3) reduce waste material, improve the quality of products.In the hot runner mould forming process, the plastic melt temperature is controlled in flow passage system exactly.The plastics more state of uniformity flow into each die cavity, the consequently part of uniform quality.Hot runner molding part cast gate quality is good, and residual stress is low after the demoulding, and part deformation is few.So a lot of high-quality products are by hot runner mould production on the market.Like the MOTOROLA mobile phone that people are familiar with, the HP printer, many plastic parts of DELL notebook computer are all made with hot runner mould.
(4) eliminate subsequent handling, help the production automation.Product is finished product after the hot runner mould moulding, need not to prune cast gate and reclaim operations such as processing cold pouring channel.Help the production automation.External a lot of production producer all combines hot flow path and automation to enhance productivity significantly.
(5) enlarge the injection molding process range of application.Many advanced persons' plastics molding process grows up on the hot flow path technical foundation.Make like PET preformed, polychrome is annotated altogether in mould, and multiple material is annotated technology altogether, STACK MOLD etc.
It is crucial that hot flow path is used major technique:
The hot runner mould application item of a success needs a plurality of links to ensure.The plastics temperature controlling is one of most important technical factor wherein.
The plastics temperature controlling is very important in the application of hot runner mould, and it is temperature controlled bad that processing that occurs in many production processes and product quality problem are directed to TOP-TIP.As product cast gate problem of poor quality when using hot pin to shoot a retrievable arrow the injection mo(u)lding of cast gate method, needle is closed difficult problem etc. during the moulding of valve gate method.
Therefore solving the hot flow path needle, to close difficult problem be to produce the problem that hot runner mould enterprise is concerned about the most at most.
The utility model content
The purpose of the utility model is, a kind of lubricated hot flow path needle is provided, to overcome the above-mentioned shortcoming and defect of existing in prior technology.
The technical problem of the required solution of the utility model, can realize through following technical scheme:
A kind of lubricated hot flow path needle is provided with the melt canal in the die main body, the hot flow path needle is set in the melt canal, it is characterized in that, the face coat of tungsten disulfide is set on the said hot flow path needle.
Wherein, the thickness of said face coat is 5～7 μ m.
Wherein, the thickness of said face coat is 5 μ m.
The face coat of tungsten disulfide wherein, is set in the said melt canal.
The beneficial effect of the utility model:
The utility model adopts tungsten disulfide WS
2Face coat reduce coefficient of friction, reduce wear, interlock etc.Overcome or reduce the mechanical lubrication problem, improve the operating efficiency and the service life of machinery.Specifically can eliminate or reduce many maintenances of equipment, the maintenance issues that causes by friction, abrasion etc.
Normal loading reaches 100,000PSI (or identical with the bearing capacity of base material).
Operating temperature range is wide, from-273 ℃ to 60.50 ℃.
There is not any oxious component, safety and environmental protection.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Reference numeral:
Die main body 100, melt canal 200, hot flow path needle 300 and face coat 400.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is described further.Should be understood that following examples only are used to the utility model is described but not the scope that is used to limit the utility model.
The experimental technique of unreceipted actual conditions in the following example, usually according to normal condition, or the condition that manufacturer provides is carried out.
Embodiment 1
A kind of lubricated hot flow path needle, as shown in Figure 1, be provided with melt canal 200 in the die main body 100, hot flow path needle 300 is set in the melt canal 200.
The face coat of nickel phosphorus tungsten disulfide is set on the hot hot flow path needle 300.The face coat of tungsten disulfide also can be set in the melt canal 200.
The thickness of face coat 400 is 5～7 μ m.Face coat 400 preferred thickness are 5 μ m.
The process for making of the utility model:
Hot flow path needle 300 or melt canal 200 are through the ultrasonic waves for cleaning oil removing; With MEVVA source ion injection technique (metal vapor vacuum arc source technology), TiN is attached to the mould steel surface subsequently, forms the lubricating film basalis; Layer thickness is 0.005 μ m; On the coating of TiN base, the radio-frequency sputtering mode with in the physical gas phase deposition technology is covered with tungsten disulfide WS then
2Coating, layer thickness are 0.5 μ m.The mould steel of the lubricated composite bed of the band that obtains has the characteristic of TiN hardness height and favorable anti-corrosion effect; With tungsten disulfide WS
2Low-friction coefficient, greasy property is high, resistant to elevated temperatures comprehensive function.Be suitable for the surface treatment and the processing and fabricating of month various moulds, mechanical part, auto parts and components.
Adopt face coat (tungsten disulfide WS
2) to the surface treatment treatment technology of screw body, effectively improved the high temperature of adjustment screw and prevented killing performance, and then prolonged the service life of adjustment screw.
Adopt tungsten disulfide WS
2The surface treatment treatment technology carries out WS with hot flow path needle 300 or melt canal 200
2Handle, effectively improved the high temperature of adjustment screw and prevented killing performance, and then prolonged the service life of adjustment screw.
Tungsten disulfide WS
2Why show good lubricating property and be because: WS
2Crystal has layer structure, layer with layer between adhesion a little less than, shear easily, slippage, show as low friction coefficient; WS
2Stability Analysis of Structures shows as good resistance high temperature, resistance to extreme pressure ability; Even be higher than under 400 ℃ the temperature environment WS
2Also can form fine and close tungsten oxide (WO through eremacausis
3) protective layer, suppress WS
2Further oxidation, and tungsten oxide has very low friction factor equally, still can play the effect that the protective money metal surface does not glue together.
More than show and described the advantage of basic principle, principal character and the utility model of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (4)
1. a lubricated hot flow path needle is provided with the melt canal in the die main body, and the hot flow path needle is set in the melt canal, it is characterized in that, the face coat of tungsten disulfide is set on the said hot flow path needle.
2. hot flow path needle according to claim 1 is characterized in that, the thickness of said face coat is 5～7 μ m.
3. hot flow path needle according to claim 2 is characterized in that, the thickness of said face coat is 5 μ m.
4. hot flow path needle according to claim 1 is characterized in that, the face coat of tungsten disulfide is set in the said melt canal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220007891XU CN202462798U (en) | 2012-01-09 | 2012-01-09 | Lubricant hot runner valve needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220007891XU CN202462798U (en) | 2012-01-09 | 2012-01-09 | Lubricant hot runner valve needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202462798U true CN202462798U (en) | 2012-10-03 |
Family
ID=46910990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220007891XU Expired - Fee Related CN202462798U (en) | 2012-01-09 | 2012-01-09 | Lubricant hot runner valve needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202462798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556275A (en) * | 2018-05-31 | 2018-09-21 | 嘉兴懿铄精密模具有限公司 | A kind of three core self-lubricating needles |
-
2012
- 2012-01-09 CN CN201220007891XU patent/CN202462798U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556275A (en) * | 2018-05-31 | 2018-09-21 | 嘉兴懿铄精密模具有限公司 | A kind of three core self-lubricating needles |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20130109 |