CN205997275U - A kind of injection mold nozzle avoiding resin carbonation - Google Patents
A kind of injection mold nozzle avoiding resin carbonation Download PDFInfo
- Publication number
- CN205997275U CN205997275U CN201620834471.7U CN201620834471U CN205997275U CN 205997275 U CN205997275 U CN 205997275U CN 201620834471 U CN201620834471 U CN 201620834471U CN 205997275 U CN205997275 U CN 205997275U
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- injection mold
- nozzle
- heater
- collet
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection mold nozzle avoiding resin carbonation, it is provided with the nozzle body in resin path hole including insertion in the longitudinal direction, described nozzle body includes top joining section, middle part linkage section and lower nozzle tip section, described top joining section outer peripheral face is provided with primary heater, described middle part linkage section outer peripheral face is provided with secondary heater, it is provided with the 3rd heater on the outer peripheral face of described lower nozzle tip section, the outside of described lower nozzle tip section is provided with collet, the inwall of described collet and lower nozzle tip section cylindrical between form airtight disconnected hot cavity.By the way, the injection mold nozzle avoiding resin carbonation described in the utility model, reduce the thermal loss of nozzle tip section in bottom during matched moulds using disconnected hot cavity, guarantee that nozzle body is heated to suitable temperature, avoid that nozzle body temperature is too high and the resin carbonation problem that leads to, product quality is more stable.
Description
Technical field
This utility model is related to injection mold field, more particularly to a kind of injection mold nozzle avoiding resin carbonation.
Background technology
Hot runner plastic injection mould is typically injected into high-temperature fusion resin by spray nozzle device the inside of mould, spray nozzle device
Central axis direction be through with resin path, resin path is interconnected the runner of flow distribution plate with the cast gate of mould inside,
The molten resin that shunting plate runner is provided is injected into mould inside by cast gate, obtains the product of injection mo(u)lding.
Spray nozzle device is arranged on, before mould inside is injected into high-temperature fusion resin by spray nozzle device, spray nozzle device
Heated by high-temperature fusion resin, the mould building block heat release of relative past low temperature, before injection, resin temperature drops to suitable temperature
Hereinafter, lowly to produce injection mo(u)lding bad for the mobility of resin, in order to prevent defective products it is common practice in spray nozzle device
Outer installation heater, to nozzle body, timely heating puts in place, and the temperature reducing resin reduces.
Close in mold process, mould is contacted with extraneous air and cools down, and the temperature of mould building block and spray nozzle device decreases,
The resin solidification of nearby nozzle tips, leads to injection mo(u)lding bad.In order to solve this problem, the heating-up temperature in spray nozzle front end portion is slightly
Height, compensation temperature lifts.
In the case of above-mentioned, the temperature of spray nozzle device and its point needs to rise to more than benchmark, spray nozzle device and its point
The easy carbonization of cull in end, the resin of institute's carbonization be injected into mould inside and cause injection mo(u)lding bad, in order to solve
This problem needs the resin that carbonization is fallen to exclude from nozzle body, wastes substantial amounts of resin.
Utility model content
This utility model, mainly solving the technical problems that providing a kind of injection mold nozzle avoiding resin carbonation, reduces
Mould building block and the thermal loss of nozzle segment, reduce the heating-up temperature of spray nozzle device and avoid resin carbonation problem.
For solving above-mentioned technical problem, the technical scheme that this utility model adopts is：One kind is provided to avoid resin carbon
The injection mold nozzle changed, is provided with the nozzle body in resin path hole, sets in mould building block including insertion in the longitudinal direction
It is equipped with installing hole corresponding with nozzle body, described nozzle body includes top joining section, middle part linkage section and lower nozzle point
End section, described top joining section outer peripheral face is provided with primary heater, and described middle part linkage section outer peripheral face is provided with the second heating
Device, the outer peripheral face of described lower nozzle tip section is provided with the 3rd heater, the outside diameter of described lower nozzle tip section
Less than the outside diameter of middle part linkage section, the outside of described lower nozzle tip section is provided with collet, described collet interior
Wall and lower nozzle tip section cylindrical between form airtight disconnected hot cavity.
In one preferred embodiment of this utility model, described top joining section, middle part linkage section and lower nozzle are most advanced and sophisticated
Section is integrated, and described resin path hole is arranged concentrically on nozzle body.
In one preferred embodiment of this utility model, on the outer peripheral face of described lower nozzle tip section indent be provided with
The corresponding embedded groove of 3rd heater, described 3rd heater is arranged in embedded groove.
In one preferred embodiment of this utility model, the outside of described middle part linkage section and collet is provided with and extends to
The shell-like housing of top joining section.
In one preferred embodiment of this utility model, described collet outer peripheral face is provided with heat release sleeve pipe, described heat release
Sleeve pipe is located in shell-like housing.
In one preferred embodiment of this utility model, described primary heater and secondary heater are separately positioned on shell-like
In housing, described primary heater is located above secondary heater, and described secondary heater is located above heat release sleeve pipe.
In one preferred embodiment of this utility model, in the junction of described middle part linkage section and lower nozzle tip section
Recessed be equipped with a circle first step, the top of described collet is connected with first step.
In one preferred embodiment of this utility model, the front end evagination of described collet is provided with a circle and points to installing hole
Heat conduction ring, described installation in the hole is provided with second step corresponding with heat conduction ring.
In one preferred embodiment of this utility model, the cylindrical upper evagination of described collet is provided with a circle support in shell-like
The packing ring of housing forward end.
In one preferred embodiment of this utility model, the end of described top joining section is provided with and installs bore ends pair
The adapter answered, described adapter is provided with circle embedded groove corresponding with shell-like housing rear end.
The beneficial effects of the utility model are：A kind of injection mold avoiding resin carbonation that this utility model is pointed out sprays
Mouth, reduces the thermal loss of nozzle tip section in bottom during matched moulds using disconnected hot cavity, top joining section and middle part linkage section
There is the protection of shell-like housing outside, it is to avoid with mould building block directly contact and lose heat, unnecessary partial heat passes through heat release
Sleeve pipe and heat conduction ring and mould building block is heated, effectively reduce primary heater, secondary heater and the 3rd heater
Power is it is ensured that nozzle body is heated to suitable temperature, it is to avoid nozzle body temperature is too high and the resin carbonation problem that leads to,
Product quality is more stable, saves resin material, improves work efficiency.
Brief description
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below will be to required in embodiment description
Accompanying drawing to be used be briefly described it should be apparent that, drawings in the following description are only that of the present utility model some are real
Apply example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings, wherein：
Fig. 1 is a kind of structural representation of injection mold nozzle one preferred embodiment avoiding resin carbonation of this utility model
Figure.
Specific embodiment
Technical scheme in this utility model embodiment will be clearly and completely described it is clear that described below
Embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on the enforcement in this utility model
Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into
The scope of this utility model protection.
Refer to Fig. 1, this utility model embodiment includes：
A kind of injection mold nozzle avoiding resin carbonation, is provided with resin path hole 14 including insertion in the longitudinal direction
Nozzle body 1, be provided with installing hole 21 corresponding with nozzle body 1 in mould building block 2, described nozzle body 1 includes top
Joining section 11, middle part linkage section 12 and lower nozzle tip section 13, described top joining section 11, middle part linkage section 12 and bottom spray
Mouth tip section 13 is integrated, sound construction, and described resin path hole 14 is arranged concentrically on nozzle body 1, convenient note
Mould.
Described top joining section 11 outer peripheral face is provided with primary heater 3, and top joining section 11 is heated, described in
Portion's linkage section 12 outer peripheral face is provided with secondary heater 4, and middle part linkage section 12 is heated, described lower nozzle tip section 13
Outer peripheral face on be provided with the 3rd heater 5, lower nozzle tip section 13 is heated, zone heating, temperature control precision
Height, the outside diameter of described lower nozzle tip section 13 is less than the outside diameter of middle part linkage section 12, lower nozzle tip section 13
External diameter shrinks, and wall thickness is thinner so that the 3rd heater 5 is more direct to its heating, in hgher efficiency.
The outside of described lower nozzle tip section 13 is provided with collet 8, the inwall of described collet 8 and lower nozzle point
End section 13 cylindrical between form airtight disconnected hot cavity 9.Break hot cavity 9 can reduce miscellaneous part or outside air under
The impact of portion's nozzle tip section 13 is so that the only the 3rd heater 5 just can control lower nozzle tip section 13 and its inside molten
The temperature of melt resin, control accuracy is high, good stability, it is to avoid molten resin temperature too low and be molded bad or temperature too high and
Carbonization.
On the outer peripheral face of described lower nozzle tip section 13, indent is provided with and the corresponding embedded groove of the 3rd heater 5, institute
State the 3rd heater 5 to be arranged in embedded groove, embedded groove both can be fixed to the 3rd heater 5, Acanthopanan trifoliatus (L.) Merr. can be made again
Hot device 5 is closer to internal molten resin, the efficiency high of heating work.
The outside of described middle part linkage section 12 and collet 8 is provided with the shell-like housing 6 extending to top joining section 11.Institute
State collet 8 outer peripheral face and be provided with heat release sleeve pipe 7, described heat release sleeve pipe 7 is located in shell-like housing 6.Described primary heater 3 He
Secondary heater 4 is separately positioned in shell-like housing 6, and described primary heater 3 is located above secondary heater 4, and described second
Heater 4 is located above heat release sleeve pipe 7.The partial heat going down of 7 secondary heaters 4 of heat release sleeve pipe, using shell-like shell
Collet 8 and the mould building block 2 in heating collet 8 outside are heated in the bottom of body 6, it is to avoid the cooling of mould building block 2 end is asked
Topic, reduces the impact to Resin Flow in lower nozzle tip section 13.
The junction indent of described middle part linkage section 12 and lower nozzle tip section 13 is provided with a circle first step 15, institute
The top stating collet 8 is connected with first step 15, facilitates the positioning of collet 8.
The front end evagination of described collet 8 is provided with the heat conduction ring 82 that a circle points to installing hole 21, in described installing hole 21
It is provided with second step 22 corresponding with heat conduction ring 82.The heat of collet 8 is transmitted to mould building block 2, reduces mould building block 2
Cooling, reduce impact to lower nozzle tip section 13.
The cylindrical upper evagination of described collet 8 is provided with the packing ring 81 in shell-like housing 6 front end for the circle support.Described top rank
The end connecing section 11 is provided with adapter 16 corresponding with installing bore ends, and described adapter 16 is provided with a circle and shell-like shell
The corresponding embedded groove in body 6 rear end 17.Shell-like housing 6 is positioned between packing ring 81 and embedded groove 17, easy for installation.
In sum, a kind of injection mold nozzle avoiding resin carbonation that this utility model is pointed out, temperature control precision
High, it is to avoid the problem of resin carbonation and poor fluidity, improve the stability of injection work, reduce the waste of resin, improve
The qualification rate of product.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
The equivalent structure made using this utility model description or equivalent flow conversion, or directly or indirectly it is used in other phases
The technical field closed, is all included in the same manner in scope of patent protection of the present utility model.
Claims (10)
1. a kind of injection mold nozzle avoiding resin carbonation, is arranged in the mould building block outside injection mold, including growing
On degree direction, insertion is provided with the nozzle body in resin path hole, is provided with installation corresponding with nozzle body in mould building block
Hole is it is characterised in that described nozzle body includes top joining section, middle part linkage section and lower nozzle tip section, described top
Joining section outer peripheral face is provided with primary heater, and described middle part linkage section outer peripheral face is provided with secondary heater, the spray of described bottom
3rd heater is provided with the outer peripheral face of mouth tip section, the outside diameter of described lower nozzle tip section is less than middle part linkage section
Outside diameter, the outside of described lower nozzle tip section is provided with collet, the inwall of described collet and lower nozzle point
End section cylindrical between form airtight disconnected hot cavity.
2. the injection mold nozzle avoiding resin carbonation according to claim 1 is it is characterised in that described top is connected
Section, middle part linkage section and lower nozzle tip section are integrated, and described resin path hole is arranged concentrically on nozzle body.
3. the injection mold nozzle avoiding resin carbonation according to claim 1 is it is characterised in that described lower nozzle is sharp
On the outer peripheral face of end section, indent is provided with embedded groove corresponding with the 3rd heater, and described 3rd heater is arranged on embedded groove
Interior.
4. the injection mold nozzle avoiding resin carbonation according to claim 1 is it is characterised in that described middle part linkage section
It is provided with the shell-like housing extending to top joining section with the outside of collet.
5. the injection mold nozzle avoiding resin carbonation according to claim 4 is it is characterised in that described collet periphery
Face is provided with heat release sleeve pipe, and described heat release sleeve pipe is located in shell-like housing.
6. the injection mold nozzle avoiding resin carbonation according to claim 5 is it is characterised in that described primary heater
It is separately positioned in shell-like housing with secondary heater, described primary heater is located above secondary heater, described second adds
Hot device is located above heat release sleeve pipe.
7. the injection mold nozzle avoiding resin carbonation according to claim 1 is it is characterised in that described middle part linkage section
The junction indent of lower nozzle tip section is provided with a circle first step, the top of described collet is connected with first step
Connect.
8. the injection mold nozzle avoiding resin carbonation according to claim 1 is it is characterised in that before described collet
End evagination is provided with the heat conduction ring that a circle points to installing hole, and described installation in the hole is provided with second step corresponding with heat conduction ring.
9. the injection mold nozzle avoiding resin carbonation according to claim 4 it is characterised in that described collet outer
On circle, evagination is provided with the packing ring in shell-like housing forward end for the circle support.
10. the injection mold nozzle avoiding resin carbonation according to claim 1 is it is characterised in that described top is connected
The end of section is provided with adapter corresponding with installing bore ends, and described adapter is provided with a circle and shell-like housing rear end pair
The embedded groove answered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620834471.7U CN205997275U (en) | 2016-08-04 | 2016-08-04 | A kind of injection mold nozzle avoiding resin carbonation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620834471.7U CN205997275U (en) | 2016-08-04 | 2016-08-04 | A kind of injection mold nozzle avoiding resin carbonation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205997275U true CN205997275U (en) | 2017-03-08 |
Family
ID=58200077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620834471.7U Expired - Fee Related CN205997275U (en) | 2016-08-04 | 2016-08-04 | A kind of injection mold nozzle avoiding resin carbonation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205997275U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079284A (en) * | 2016-08-04 | 2016-11-09 | 哈希斯热流道科技（苏州）有限公司 | A kind of injection mold nozzle avoiding resin carbonation |
| TWI656960B (en) * | 2017-04-14 | 2019-04-21 | 成鎂開發企業有限公司 | Hot runner anti-temperature loss structure |
-
2016
- 2016-08-04 CN CN201620834471.7U patent/CN205997275U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079284A (en) * | 2016-08-04 | 2016-11-09 | 哈希斯热流道科技（苏州）有限公司 | A kind of injection mold nozzle avoiding resin carbonation |
| TWI656960B (en) * | 2017-04-14 | 2019-04-21 | 成鎂開發企業有限公司 | Hot runner anti-temperature loss structure |
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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: 20170308 Termination date: 20190804 |