CN202805557U - Hot nozzle structure of hot runner - Google Patents
Hot nozzle structure of hot runner Download PDFInfo
- Publication number
- CN202805557U CN202805557U CN 201220402699 CN201220402699U CN202805557U CN 202805557 U CN202805557 U CN 202805557U CN 201220402699 CN201220402699 CN 201220402699 CN 201220402699 U CN201220402699 U CN 201220402699U CN 202805557 U CN202805557 U CN 202805557U
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- cast gate
- heat
- opening
- runner
- chewed
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Abstract
The utility model relates to a hot nozzle structure of a hot runner, and particularly relates to a color changing structure of a hot nozzle. The hot nozzle structure of the hot runner comprises a mold, a hot nozzle body and a pouring gate part, wherein the hot nozzle body comprises a nozzle body and a nozzle tip, the runner is arranged inside the hot nozzle body, and an opening of the rubber is arranged on the runner tip; a cavity is arranged in the pouring gate part, and an opening of the pouring gate part is close to the opening of the mold; the nozzle tip is embedded in the cavity of the pouring gate part; and a gas is reserved between the opening of the pouring gate part and the inner surface of the mold. Due to adoption of the structure, the hot nozzle structure can ensure that raw materials in the runner and a glue hiding place are completely cleared away conveniently and rapidly in the color changing process, thus the waste of materials is reduced and the production efficiency is improved.
Description
Technical field
The utility model relates to a kind of heat of hot flow path and chews structure, and particularly a kind of heat is chewed color changing structure.
Background technology
In the present Injection Industry, compare cold runner system, TOP-TIP can economize in raw materials more, enhances productivity, and improves the quality of products.Meanwhile, TOP-TIP is more complicated compared with the equipment of hot and cold stream system, and equipment requirement is higher.In the process of producing, often need to use identical mould to produce the product of different colours, this just needs the hot runner mould road of colour changing better function, and heat is chewed the important component part that structure then is hot runner mould, plays an important role in the process of mould colour changing.Heat is in the past chewed and is had certain defective on the structural design, and the runner mouth that heat is chewed in the point stretches out outside the inner chamber of cast gate department, chews the point Tibetan glue position larger with the inner chamber formation of mould.In the process of injection moulding, the thermoplastic in the runner mouth directly injects to be hidden in the glue position, and the mould inner surface relatively low with temperature contacts the plastic cement that can form one deck condensation, is difficult to be eliminated clean.And, because it is large to hide the glue bit comparison, stay easily large stretch of dead angle, in injection moulding process, change the plastics of different colours, need a large amount of new colored plastics of injection moulding heat could be chewed the raw material of hiding in the glue position and remove, and the removing of position, dead angle is not thorough, has both wasted new colored plastic, chronic, affect again product quality.
The existing technical staff makes the colour changing cap with temperature-resistant material such as (PI), replaces to hide the glue position, also can realize the colour changing function, and its limitation is that the above material of 300 degree is inapplicable, and the colour changing material is more crisp in addition, and form removal need more renew part.
The utility model content
For overcoming the above problems, the utility model provides a kind of heat of hot flow path to chew structure, can finish fast the colour changing operation in the process of injection moulding, economizes in raw materials improve production efficiency and product quality.
For overcoming the above problems, the technical solution of the utility model is as follows:
A kind of heat of hot flow path is chewed structure, comprises that mould, heat chews body and cast gate department, and described heat is chewed body and comprised and chew body and chew point that described heat is chewed body interior and is provided with runner, and the opening of described runner is arranged on described chewing on the point; Described cast gate department is provided with a cavity, and the opening of described cast gate department is near the opening of described mould; The described point of chewing embeds in the cast gate minister of public works in ancient china chamber; Leave the gap between cast gate department opening and the mould inner surface.Like this, Tibetan of the present utility model glue bit position is positioned at cast gate minister of public works in ancient china chamber, is different to hide the glue bit position in the prior art, greatly reduces the area that hot melting plastic contacts with the inner surface of mould, thereby has reduced the possibility that position, large stretch of dead angle occurs.Glue position, Tibetan in the cast gate department is comparatively narrow and small, when the glue position is completely hidden in the hot melting plastic filling, hide the glue position and will form larger pressure, thereby can fast hot melting plastic be discharged to the mould openings place, improved production efficiency, the raw material ratio of hiding in the glue position is removed more thoroughly.
Also comprise the sealing cover in the described TOP-TIP, be arranged on the protection of chewing outside the body and put outward.Although remaining narrow and small slit only between cast gate department opening and the mould openings, the opening of the smooth and easy discharge mould of hot melting plastic energy, but because the plastic cement HTHP must seal, also be provided with sealing in this TOP-TIP and be embedded with the hot zone that enters that prevents hot melting plastic, destroy the heating temperature-sensing element.In addition through the heat of sealing cover conduction also because distance diminishes, correspondingly improve the temperature that heat is chewed point, make moulding more smooth and easy.
Described runner opening has one at least.Three runner openings are set chewing sharp surface, can make like this hot melting plastic comparatively evenly and fast discharge runner.
The described point of chewing comprises that also to chew point terminal, and described to chew point terminal by stretching out in the cast gate minister of public works in ancient china chamber.It is terminal by stretching out in the cast gate minister of public works in ancient china chamber to chew point, and the sharp end of chewing that stretches out is clipped in gap between cast gate department outer surface and the mould inner surface.Adopt this structure, can make the opening of cast gate department narrower, thereby make the pressure of hiding the glue position larger, be conducive to quicker and remove thoroughly residual raw material, enhance productivity.
Shape, size that the shape in described cast gate minister of public works in ancient china chamber, size and described heat are chewed the part in the body embedding cast gate department are complementary.
The opening section of described cast gate department is less than or equal to the opening section of mould.
The utility model is compared with the prior art, and has following beneficial effect:
1, the glue bit position is hidden in the utility model change in the past, greatly reduces the area that hot melting plastic contacts with the inner surface of mould, thereby has reduced the possibility that position, large stretch of dead angle occurs; In the process of colour changing, can make quickly and easily the raw material in runner and the glue position, Tibetan obtain removing more thoroughly, reduce the waste of material, enhance productivity.
2, the utility model is simple in structure, and is easy for installation, and cost is low, is easy to realize.
Description of drawings
Fig. 1 is the utility model generalized section;
Fig. 2 is that heat is chewed body and cast gate department combination schematic diagram;
Fig. 3 is that heat is chewed the body generalized section;
Fig. 4 is cast gate department generalized section.
The specific embodiment
Below, with specific embodiment the utility model is further described by reference to the accompanying drawings, so that clearer understanding claimed technological thought of the present utility model.
As shown in Figures 1 to 4, a kind of heat of hot flow path is chewed structure, comprises that mould 2, heat chews body 3 and cast gate department 6; Described heat is chewed body 3 and is comprised and chew body 32 and chew point 31 that described heat is chewed body 3 inside and is provided with runner, and the opening 311 of described runner is arranged on described chewing on the point 31; Described cast gate department 6 is provided with a cavity, and the opening 62 of described cast gate department 6 is near the opening of described moulds 2; The described point 31 of chewing embeds in the cast gate minister of public works in ancient china chamber 61; Leave the gap between cast gate department opening 62 and mould 2 inner surfaces.Like this, the position of glue position, Tibetan of the present utility model 5 is positioned at cast gate minister of public works in ancient china chamber 61, is different to hide the glue bit position in the prior art, greatly reduces the area that hot melting plastic contacts with the inner surface of mould 2, thereby has reduced the possibility that position, large stretch of dead angle occurs.Glue position, Tibetan 5 in the cast gate department 6 is comparatively narrow and small, when glue position 5 is completely hidden in the hot melting plastic filling, hide that glue position 5 is interior will to form larger pressure, thereby can fast hot melting plastic be discharged to mould 2 opening parts, improved production efficiency, the raw material ratio of hiding in the glue position 5 is removed more thoroughly.
Also comprise sealing cover 7 in the described TOP-TIP 1, be arranged on the protection of chewing outside the body and put outward.Remaining narrow and small slit only between cast gate department opening 62 and mould 2 openings, hot melting plastic can smooth and easy discharge mould 2 opening, but for the purpose of safety, the sealing cover 7 that arranges in this TOP-TIP 1 can prevent the refluence of hot melting plastic.
Three runner openings 311 are set chewing sharp 31 surfaces, can make like this hot melting plastic comparatively evenly and fast discharge runner.
The described point 31 of chewing comprises that also to chew point terminal 312, and the described point terminal 312 of chewing is by stretching out in the cast gate minister of public works in ancient china chamber 61, and that stretches out chews terminal 312 gaps that are clipped between cast gate department opening 62 and mould 2 inner surfaces of point.Adopt this structure, can make the opening 62 of cast gate department 6 narrower, thereby make the pressure of hiding glue position 5 larger, be conducive to quicker and remove thoroughly residual raw material, enhance productivity.
The shape in described cast gate minister of public works in ancient china chamber 61 and described heat are chewed the shape that body 3 inlay cards enter the part in the cast gate minister of public works in ancient china chamber 61 and are complementary, and the opening section of described cast gate department 6 is less than or equal to the opening section of mould 2.
Claims (6)
1. the heat of a hot flow path is chewed structure, comprises that mould, heat chews body and cast gate department, it is characterized in that:
Described heat is chewed body and is comprised and chew body and chew point, and described heat is chewed body interior and is provided with runner, and the opening of described runner is arranged on described chewing on the point; Described cast gate department is provided with a cavity, and the opening of described cast gate department is near the opening of described mould; The described point of chewing embeds in the cast gate minister of public works in ancient china chamber; Leave the gap between cast gate department opening and the mould inner surface.
2. the heat of hot flow path according to claim 1 is chewed structure, it is characterized in that: also comprise the sealing cover, be arranged on the protection of chewing outside the body and put outward.
3. the heat of hot flow path according to claim 1 is chewed structure, it is characterized in that: described runner opening has one at least.
4. the heat of hot flow path according to claim 1 is chewed structure, it is characterized in that: the described point of chewing comprises that also to chew point terminal, and described to chew point terminal by stretching out in the cast gate minister of public works in ancient china chamber.
5. the heat of hot flow path according to claim 1 is chewed structure, it is characterized in that: shape, size that the shape in described cast gate minister of public works in ancient china chamber, size and described heat are chewed the part in the body embedding cast gate department are complementary.
6. the heat of hot flow path according to claim 1 is chewed structure, it is characterized in that: the opening section of described cast gate department is less than or equal to the opening section of mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220402699 CN202805557U (en) | 2012-08-14 | 2012-08-14 | Hot nozzle structure of hot runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220402699 CN202805557U (en) | 2012-08-14 | 2012-08-14 | Hot nozzle structure of hot runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202805557U true CN202805557U (en) | 2013-03-20 |
Family
ID=47864496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220402699 Expired - Fee Related CN202805557U (en) | 2012-08-14 | 2012-08-14 | Hot nozzle structure of hot runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202805557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650337A (en) * | 2016-07-26 | 2018-02-02 | 柳道万和(苏州)热流道系统有限公司 | Nozzle assembly and hot flow path adapted to injection system for hot flow path adapted to injection system |
-
2012
- 2012-08-14 CN CN 201220402699 patent/CN202805557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650337A (en) * | 2016-07-26 | 2018-02-02 | 柳道万和(苏州)热流道系统有限公司 | Nozzle assembly and hot flow path adapted to injection system for hot flow path adapted to injection system |
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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: 20130320 Termination date: 20180814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |