CN106079284A - A kind of injection mold nozzle avoiding resin carbonation - Google Patents
A kind of injection mold nozzle avoiding resin carbonation Download PDFInfo
- Publication number
- CN106079284A CN106079284A CN201610629356.0A CN201610629356A CN106079284A CN 106079284 A CN106079284 A CN 106079284A CN 201610629356 A CN201610629356 A CN 201610629356A CN 106079284 A CN106079284 A CN 106079284A
- Authority
- CN
- China
- Prior art keywords
- section
- injection mold
- nozzle
- heater
- collet
- 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.)
- Granted
Links
- 239000011347 resin Substances 0.000 title claims abstract description 51
- 229920005989 resin Polymers 0.000 title claims abstract description 51
- 238000002347 injection Methods 0.000 title claims abstract description 30
- 239000007924 injection Substances 0.000 title claims abstract description 30
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000012856 packing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000036760 body temperature Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 6
- 238000003763 carbonization Methods 0.000 description 4
- 230000004927 fusion Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C2045/2766—Heat insulation between nozzle and mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C2045/2777—Means for controlling heat flow or temperature distribution in the nozzle
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection mold nozzle avoiding resin carbonation, including the most through nozzle body being provided with resin path hole, 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, airtight disconnected hot cavity is formed between inwall and the cylindrical of lower nozzle tip section of described collet.By the way, the injection mold nozzle avoiding resin carbonation of the present invention, the thermal loss of bottom nozzle tip section when utilizing disconnected hot cavity to reduce matched moulds, guarantee that nozzle body is heated to suitable temperature, avoiding that nozzle body temperature is too high and the resin carbonation problem that causes, product quality is more stable.
Description
Technical field
The present invention relates to injection mold field, particularly relate 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 interconnects the cast gate of the runner of flow distribution plate with mould inside,
The molten resin that flow distribution 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 high-temperature fusion resin being injected into mould inside by spray nozzle device, and spray nozzle device
Being heated by high-temperature fusion resin, the mould building block heat release of relative past low temperature, before injecting, resin temperature drops to suitable temperature
Hereinafter, it is bad that the mobility of resin lowly can produce injection mo(u)lding, in order to prevent defective products, it is common practice at spray nozzle device
Outer installation heater, heating timely to nozzle body puts in place, and the temperature reducing resin reduces.
Closing in mold process, mould contacts 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, causes injection mo(u)lding bad.In order to solve this problem, the heating-up temperature in spray nozzle front end portion is slightly
Height, compensates gradient of temperature.
In the case of above-mentioned, the temperature of spray nozzle device and point thereof needs to rise to more than benchmark, spray nozzle device and point thereof
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 get rid of from nozzle body, wastes substantial amounts of resin.
Summary of the invention
The technical problem that present invention mainly solves is to provide 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 the present invention uses is: provides a kind of and avoids resin carbonation
Injection mold nozzle, including the most through nozzle body being provided with resin path hole, is provided with in mould building block
The installing hole corresponding with nozzle body, 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, institute
State and on the outer peripheral face of lower nozzle tip section, be provided with the 3rd heater, during the outside diameter of described lower nozzle tip section is less than
The outside diameter of portion's linkage section, the outside of described lower nozzle tip section is provided with collet, the inwall of described collet with under
Airtight disconnected hot cavity is formed between the cylindrical of portion's nozzle tip section.
In a preferred embodiment of the present invention, described top joining section, middle part linkage section and lower nozzle tip section are
Integral structure, described resin path hole is arranged concentrically on nozzle body.
In a preferred embodiment of the present invention, on the outer peripheral face of described lower nozzle tip section, indent is provided with and the 3rd
The embedded groove that heater is corresponding, described 3rd heater is arranged in embedded groove.
In a preferred embodiment of the present invention, the outside of described middle part linkage section and collet is provided with and extends to top
The shell-like housing of joining section.
In a preferred embodiment of the present invention, described collet outer peripheral face is provided with heat release sleeve pipe, described heat release sleeve pipe
It is positioned at shell-like housing.
In a preferred embodiment of the present invention, described primary heater and secondary heater are separately positioned on shell-like housing
In, described primary heater is positioned at above secondary heater, and described secondary heater is positioned at above heat release sleeve pipe.
In a preferred embodiment of the present invention, recessed in the junction of described middle part linkage section and lower nozzle tip section
Being equipped with a circle first step, the top of described collet is connected with first step.
In a preferred embodiment of the present invention, the front end evagination of described collet is provided with a circle and points to leading of installing hole
Hot ring, is provided with the second step corresponding with heat conduction ring in described installing hole.
In a preferred embodiment of the present invention, on the cylindrical of described collet, evagination is provided with a circle torr at shell-like housing
The packing ring of front end.
In a preferred embodiment of the present invention, the end of described top joining section is provided with corresponding with installing hole end
Adapter, described adapter is provided with the embedded groove that a circle is corresponding with shell-like housing rear end.
The invention has the beneficial effects as follows: a kind of injection mold nozzle avoiding resin carbonation that the present invention points out, utilize disconnected
Hot cavity and the thermal loss of bottom nozzle tip section when reducing matched moulds, there is shell-like the outside of top joining section and middle part linkage section
The protection of housing, it is to avoid directly contact with mould building block 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 power of the 3rd heater, it is ensured that spray
Mouth body is heated to suitable temperature, it is to avoid nozzle body temperature is too high and the resin carbonation problem that causes, and product quality is more
Add stable, save resin material, improve work efficiency.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing, wherein:
Fig. 1 is the structural representation of a kind of injection mold nozzle one preferred embodiment avoiding resin carbonation of the present invention.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiments that technical staff is obtained under not making creative work premise, broadly fall into the model of present invention protection
Enclose.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of injection mold nozzle avoiding resin carbonation, including the most through spray being provided with resin path hole 14
Mouth body 1, is provided with the installing hole 21 corresponding with nozzle body 1 in mould building block 2, described nozzle body 1 includes that top is connected
Section 11, middle part linkage section 12 and lower nozzle tip section 13, described top joining section 11, middle part linkage section 12 and lower nozzle point
End section 13 is integrated, sound construction, and described resin path hole 14 is arranged concentrically on nozzle body 1, convenient injection.
Described top joining section 11 outer peripheral face is provided with primary heater 3, heats top joining section 11, described in
Portion's linkage section 12 outer peripheral face is provided with secondary heater 4, heats middle part linkage section 12, 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
Airtight disconnected hot cavity 9 is formed between the cylindrical of end section 13.Disconnected hot cavity 9 can reduce miscellaneous part or outside air under
The impact of portion's nozzle tip section 13 so that only the 3rd heater 5 just can control lower nozzle tip section 13 and inside is 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 is too high and
Carbonization.
On the outer peripheral face of described lower nozzle tip section 13, indent is provided with the embedded groove corresponding with the 3rd heater 5, institute
Stating the 3rd heater 5 to be arranged in embedded groove, the 3rd heater 5 both can be fixed by embedded groove, can make again Acanthopanan trifoliatus (L.) Merr.
Hot device 5 is closer to internal molten resin, and the efficiency of heating work is high.
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
Stating collet 8 outer peripheral face and be provided with heat release sleeve pipe 7, described heat release sleeve pipe 7 is positioned at 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 positioned at above secondary heater 4, and described second
Heater 4 is positioned at above heat release sleeve pipe 7.The partial heat going down of 7 secondary heaters 4 of heat release sleeve pipe, utilizes shell-like shell
Mould building block 2 outside the bottom heating collet 8 of body 6 and heating collet 8, it is to avoid the cooling of mould building block 2 end is asked
Topic, reduces the impact of 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 location of collet 8.
The front end evagination of described collet 8 is provided with a circle and points to the heat conduction ring 82 of installing hole 21, in described installing hole 21
It is provided with the 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 on lower nozzle tip section 13.
On the cylindrical of described collet 8, evagination is provided with the circle torr packing ring 81 in shell-like housing 6 front end.Described top is held in the mouth
The end of the section of connecing 11 is provided with the adapter 16 corresponding with installing hole end, and described adapter 16 is provided with a circle and shell-like shell
The embedded groove 17 that body 6 rear end is corresponding.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 the present invention points out, temperature control precision is high, keeps away
The problem having exempted from resin carbonation and poor fluidity, improves the stability of injection work, reduces the waste of resin, improves product
Qualification rate.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology neck
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. avoid an injection mold nozzle for resin carbonation, be arranged in the mould building block outside injection mold, be included in length
The through nozzle body being provided with resin path hole on degree direction, is provided with the installation corresponding with nozzle body in mould building block
Hole, 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, and described bottom is sprayed
Being provided with the 3rd heater on 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
Airtight disconnected hot cavity is formed between the cylindrical of end section.
The injection mold nozzle avoiding resin carbonation the most according to claim 1, 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.
The injection mold nozzle avoiding resin carbonation the most according to claim 1, it is characterised in that described lower nozzle point
On the outer peripheral face of end section, indent is provided with the embedded groove corresponding with the 3rd heater, and described 3rd heater is arranged on embedded groove
In.
The injection mold nozzle avoiding resin carbonation the most according to claim 1, it is characterised in that described middle part linkage section
The shell-like housing extending to top joining section it is provided with the outside of collet.
The injection mold nozzle avoiding resin carbonation the most according to claim 4, it is characterised in that described collet periphery
Face is provided with heat release sleeve pipe, and described heat release sleeve pipe is positioned at shell-like housing.
The injection mold nozzle avoiding resin carbonation the most according to claim 5, it is characterised in that described primary heater
Being separately positioned in shell-like housing with secondary heater, described primary heater is positioned at above secondary heater, and described second adds
Hot device is positioned at above heat release sleeve pipe.
The injection mold nozzle avoiding resin carbonation the most according to claim 1, 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, and the top of described collet is connected with first step
Connect.
The injection mold nozzle avoiding resin carbonation the most according to claim 1, it is characterised in that before described collet
End evagination is provided with a circle and points to the heat conduction ring of installing hole, is provided with the second step corresponding with heat conduction ring in described installing hole.
The injection mold nozzle avoiding resin carbonation the most according to claim 4, it is characterised in that outside described collet
On circle, evagination is provided with the circle torr packing ring at shell-like housing forward end.
The injection mold nozzle avoiding resin carbonation the most according to claim 1, it is characterised in that described top is connected
The end of section is provided with the adapter corresponding with installing hole end, 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 |
|---|---|---|---|
| CN201610629356.0A CN106079284B (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 |
|---|---|---|---|
| CN201610629356.0A CN106079284B (en) | 2016-08-04 | 2016-08-04 | A kind of injection mold nozzle avoiding resin carbonation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106079284A true CN106079284A (en) | 2016-11-09 |
| CN106079284B CN106079284B (en) | 2019-01-08 |
Family
ID=57453760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610629356.0A Active CN106079284B (en) | 2016-08-04 | 2016-08-04 | A kind of injection mold nozzle avoiding resin carbonation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106079284B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022078609A (en) * | 2020-11-13 | 2022-05-25 | フィーサ株式会社 | Injection nozzle and nozzle heater |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0927617A1 (en) * | 1997-12-19 | 1999-07-07 | Günther Heisskanaltechnik GmbH | Hot runner nozzle |
| CN1964831A (en) * | 2004-04-20 | 2007-05-16 | 皮耶罗·恩列蒂 | A heated nozzle unit for the moulding of plastics materials |
| CN101888923A (en) * | 2007-12-05 | 2010-11-17 | 君特注塑系统有限公司 | Injection-moulding nozzle |
| CN102006978A (en) * | 2008-05-27 | 2011-04-06 | 赫斯基注射器成型系统有限公司 | Hot runner including nozzle-support structure |
| CN202208088U (en) * | 2011-08-05 | 2012-05-02 | 冯广军 | Double-cylinder single-head needle valve hot sprue |
| CN203267105U (en) * | 2013-03-29 | 2013-11-06 | 东莞市贝斯特热流道科技有限公司 | Heat-insulation nozzle of hot runner |
| CN205997275U (en) * | 2016-08-04 | 2017-03-08 | 哈希斯热流道科技（苏州）有限公司 | A kind of injection mold nozzle avoiding resin carbonation |
-
2016
- 2016-08-04 CN CN201610629356.0A patent/CN106079284B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0927617A1 (en) * | 1997-12-19 | 1999-07-07 | Günther Heisskanaltechnik GmbH | Hot runner nozzle |
| CN1964831A (en) * | 2004-04-20 | 2007-05-16 | 皮耶罗·恩列蒂 | A heated nozzle unit for the moulding of plastics materials |
| CN101888923A (en) * | 2007-12-05 | 2010-11-17 | 君特注塑系统有限公司 | Injection-moulding nozzle |
| CN102006978A (en) * | 2008-05-27 | 2011-04-06 | 赫斯基注射器成型系统有限公司 | Hot runner including nozzle-support structure |
| CN202208088U (en) * | 2011-08-05 | 2012-05-02 | 冯广军 | Double-cylinder single-head needle valve hot sprue |
| CN203267105U (en) * | 2013-03-29 | 2013-11-06 | 东莞市贝斯特热流道科技有限公司 | Heat-insulation nozzle of hot runner |
| CN205997275U (en) * | 2016-08-04 | 2017-03-08 | 哈希斯热流道科技（苏州）有限公司 | A kind of injection mold nozzle avoiding resin carbonation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022078609A (en) * | 2020-11-13 | 2022-05-25 | フィーサ株式会社 | Injection nozzle and nozzle heater |
| JP7442159B2 (en) | 2020-11-13 | 2024-03-04 | フィーサ株式会社 | Injection nozzle and nozzle heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106079284B (en) | 2019-01-08 |
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