CN106079284B - A kind of injection mold nozzle avoiding resin carbonation - Google Patents
A kind of injection mold nozzle avoiding resin carbonation Download PDFInfo
- Publication number
- CN106079284B CN106079284B CN201610629356.0A CN201610629356A CN106079284B CN 106079284 B CN106079284 B CN 106079284B CN 201610629356 A CN201610629356 A CN 201610629356A CN 106079284 B CN106079284 B CN 106079284B
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- China
- Prior art keywords
- section
- injection mold
- shell
- collet
- heater
- 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.)
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- 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 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 5
- 230000036760 body temperature Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 5
- 238000003763 carbonization Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000001816 cooling 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
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003739 neck Anatomy 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
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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 nozzles for avoiding resin carbonation, the nozzle body in resin path hole is provided with including penetrating through in the longitudinal direction, the nozzle body includes top joining section, middle part linkage section and lower nozzle tip section, the top joining section outer peripheral surface is provided with primary heater, the middle part linkage section outer peripheral surface is provided with secondary heater, third heater is provided on the outer peripheral surface of the lower nozzle tip section, the outside of the lower nozzle tip section is provided with collet, the closed hot cavity that breaks is formed between the inner wall of the collet and the outer circle of lower nozzle tip section.Through the above way, the injection mold nozzle of the present invention for avoiding resin carbonation, utilize the thermal loss of lower part nozzle tip section when breaking hot cavity and reducing molding, ensure that nozzle body is heated to suitable temperature, avoid nozzle body temperature it is excessively high caused by resin carbonation problem, product quality is more stable.
Description
Technical field
The present invention relates to injection mold fields, more particularly to a kind of injection mold nozzle for avoiding resin carbonation.
Background technique
Hot runner plastic injection mould generally passes through the inside that spray nozzle device is injected into high-temperature fusion resin on mold, spray nozzle device
Central axis direction be through with resin path, resin path interconnects the runner of flow distribution plate and the cast gate of mould inside,
It shunts molten resin provided by plate runner and mould inside is injected by cast gate, obtain the product of injection molding.
Spray nozzle device is mounted on mold, before high-temperature fusion resin is injected into mould inside by spray nozzle device, spray
Mouth device is heated by high-temperature fusion resin, the mold building block heat release of opposite past low temperature, and resin temperature drops to properly before injecting
Temperature hereinafter, the mobility of resin lowly to generate injection molding bad, defective products in order to prevent, it is common practice to spray
Heater is installed outside mouth device, heats the temperature reduction for reducing resin in place in time to nozzle body.
It closing in mold process, mold is contacted with outside air and is cooled down, and the temperature of mold building block and spray nozzle device decreases,
The resin solidification of nearby nozzle tips causes injection molding bad.In order to solve this problem, the heating temperature in spray nozzle front end portion is omited
Height, compensation temperature lifting.
Under above situation, the temperature of spray nozzle device and its point needs to rise to benchmark or more, spray nozzle device and its point
Cull in end is easy carbonization, and the resin being carbonized is injected into mould inside and causes injection molding bad, in order to solve
The resin that this problem needs carbonization to fall is excluded from nozzle body, wastes a large amount of resin.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of injection mold nozzles for avoiding resin carbonation, reduce mold
The thermal loss of building block and nozzle segment reduces the heating temperature of spray nozzle device and avoids resin carbonation problem.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of resin carbonation of avoiding is provided
Injection mold nozzle is provided with the nozzle body in resin path hole including penetrating through in the longitudinal direction, is provided in mold building block
Mounting hole corresponding with nozzle body, the nozzle body include top joining section, middle part linkage section and lower nozzle tip section,
The top joining section outer peripheral surface is provided with primary heater, and the middle part linkage section outer peripheral surface is provided with secondary heater, institute
It states and is provided with third heater on the outer peripheral surface of lower nozzle tip section, during the outside diameter of the lower nozzle tip section is less than
The outside diameter of portion's linkage section, the outside of the lower nozzle tip section are provided with collet, and the inner wall of the collet is under
The closed hot cavity that breaks is formed between the outer circle of portion's nozzle tip section.
In a preferred embodiment of the present invention, the top joining section, middle part linkage section and lower nozzle tip section are
Integral structure, the resin path hole are arranged concentrically on nozzle body.
In a preferred embodiment of the present invention, indent is provided with and third on the outer peripheral surface of the lower nozzle tip section
The corresponding embedded groove of heater, the third heater are arranged in embedded groove.
In a preferred embodiment of the present invention, the outside of the middle part linkage section and collet, which is provided with, extends to top
The shell-like shell of joining section.
In a preferred embodiment of the present invention, the collet outer peripheral surface is provided with heat release casing, the heat release casing
In shell-like shell.
In a preferred embodiment of the present invention, the primary heater and secondary heater are separately positioned on shell-like shell
Interior, the primary heater is located above secondary heater, and the secondary heater is located above heat release casing.
In a preferred embodiment of the present invention, recessed in the junction of the middle part linkage section and lower nozzle tip section
It is equipped with a circle first step, the top of the collet is connected with first step.
In a preferred embodiment of the present invention, the front end evagination of the collet is provided with a circle and is directed toward leading for mounting hole
Hot ring is provided with second step corresponding with heat conduction ring in the mounting hole.
In a preferred embodiment of the present invention, evagination is provided with a circle support in shell-like shell in the outer circle of the collet
The washer of front end.
In a preferred embodiment of the present invention, the end of the top joining section is provided with corresponding with installation bore ends
Adapter is provided with circle embedded groove corresponding with shell-like housing rear end on the adapter.
The beneficial effects of the present invention are: a kind of injection mold nozzle for avoiding resin carbonation that the present invention points out, using disconnected
Hot cavity and when reducing molding lower part nozzle tip section thermal loss, there is shell-like in the outside of top joining section and middle part linkage section
The protection of shell avoids directly contacting with mold building block and losing heat, and extra partial heat passes through heat release casing and thermally conductive
Ring and mold building block is heated, the power of primary heater, secondary heater and third heater is effectively reduced, it is ensured that spray
Mouth ontology is heated to suitable temperature, avoid nozzle body temperature it is excessively high caused by resin carbonation problem, product quality is more
Add stabilization, save resin material, improves working efficiency.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is a kind of structural schematic diagram for one preferred embodiment of injection mold nozzle for avoiding resin carbonation of the present invention.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of injection mold nozzle avoiding resin carbonation, including penetrate through be provided with resin path hole 14 in the longitudinal direction
Nozzle body 1, mounting hole 21 corresponding with nozzle body 1 is provided in mold building block 2, the nozzle body 1 includes top
Joining section 11, middle part linkage section 12 and lower nozzle tip section 13, the top joining section 11, middle part linkage section 12 and lower part spray
Mouth tip section 13 is integrated, sound construction, and the resin path hole 14 is arranged concentrically on nozzle body 1, facilitates note
Modeling.
11 outer peripheral surface of top joining section is provided with primary heater 3, heats to top joining section 11, it is described in
Linkage section 12 outer peripheral surface in portion's is provided with secondary heater 4, heats to middle part linkage section 12, the lower nozzle tip section 13
Outer peripheral surface on be provided with third heater 5, lower nozzle tip section 13 is heated, segmentally heating, temperature control precision
Height, the outside diameter of the lower nozzle tip section 13 are less than the outside diameter of middle part linkage section 12, lower nozzle tip section 13
Outer diameter is shunk, and wall thickness is thinner, so that third heater 5 is more direct to its heating, it is more efficient.
The outside of the lower nozzle tip section 13 is provided with collet 8, inner wall and the lower nozzle point of the collet 8
It holds and forms the closed hot cavity 9 that breaks between the outer circle of section 13.The hot cavity 9 that breaks can reduce other component or outside air under
The influence of portion's nozzle tip section 13, so that only third heater 5 just can control lower nozzle tip section 13 and its inside is molten
The temperature of melt resin, control precision is high, and stability is good, avoid molten resin temperature too low and be molded bad or temperature it is excessively high and
Carbonization.
Indent is provided with embedded groove corresponding with third heater 5, institute on the outer peripheral surface of the lower nozzle tip section 13
It states third heater 5 to be arranged in embedded groove, embedded groove can not only be fixed third heater 5, but also can third be added
Hot device 5 closer to internal molten resin, heating work it is high-efficient.
The outside of the middle part linkage section 12 and collet 8 is provided with the shell-like shell 6 for extending to top joining section 11.Institute
It states 8 outer peripheral surface of collet and is provided with heat release casing 7, the heat release casing 7 is located in shell-like shell 6.3 He of primary heater
Secondary heater 4 is separately positioned in shell-like shell 6, and the primary heater 3 is located above secondary heater 4, and described second
Heater 4 is located at 7 top of heat release casing.Heat release casing 7 downwards transmits the partial heat of secondary heater 4, utilizes shell-like shell
The lower part heating collet 8 of body 6 and the mold building block 2 for heating 8 outside of collet, avoid the cooling of 2 end of mold building block from asking
Topic reduces the influence to Resin Flow in lower nozzle tip section 13.
The junction indent of the middle part linkage section 12 and lower nozzle tip section 13 is provided with a circle first step 15, institute
The top for stating collet 8 is connected with first step 15, facilitates the positioning of collet 8.
The front end evagination of the collet 8 is provided with the heat conduction ring 82 that a circle is directed toward mounting hole 21, in the mounting hole 21
It is provided with second step 22 corresponding with heat conduction ring 82.The heat of collet 8 is transmitted to mold building block 2, reduces mold building block 2
Cooling, reduce influence to lower nozzle tip section 13.
Evagination is provided with a circle support in the washer 81 of 6 front end of shell-like shell in the outer circle of the collet 8.The top rank
The end for connecing section 11 is provided with adapter 16 corresponding with installation bore ends, is provided with a circle and shell-like shell on the adapter 16
The corresponding embedded groove 17 in 6 rear end of body.Shell-like shell 6 is positioned between washer 81 and embedded groove 17, easy for installation.
In conclusion a kind of injection mold nozzle for avoiding resin carbonation that the present invention points out, temperature control precision is high, keeps away
The problem of having exempted from resin carbonation and poor fluidity improves the stability of injection molding work, reduces the waste of resin, improve product
Qualification rate.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of injection mold nozzle for avoiding resin carbonation, is mounted in the mold building block on the outside of injection mold, is included in length
Perforation is provided with the nozzle body in resin path hole on degree direction, is provided with installation corresponding with nozzle body in mold building block
Hole, which is characterized in that the nozzle body includes top joining section, middle part linkage section and lower nozzle tip section, the top
Joining section outer peripheral surface is provided with primary heater, and the middle part linkage section outer peripheral surface is provided with secondary heater, the lower part spray
Third heater is provided on the outer peripheral surface of mouth tip section, the outside diameter of the lower nozzle tip section is less than middle part linkage section
Outside diameter, the outside of the lower nozzle tip section is provided with collet, inner wall and the lower nozzle point of the collet
It holds and forms the closed hot cavity that breaks between the outer circle of section.
2. the injection mold nozzle according to claim 1 for avoiding resin carbonation, which is characterized in that the top linking
Section, middle part linkage section and lower nozzle tip section are integrated, and the resin path hole is arranged concentrically on nozzle body.
3. the injection mold nozzle according to claim 1 for avoiding resin carbonation, which is characterized in that the lower nozzle point
Indent on the outer peripheral surface of section is held to be provided with embedded groove corresponding with third heater, the third heater is arranged in embedded groove
It is interior.
4. the injection mold nozzle according to claim 1 for avoiding resin carbonation, which is characterized in that the middle part linkage section
The shell-like shell for extending to top joining section is provided with the outside of collet.
5. the injection mold nozzle according to claim 4 for avoiding resin carbonation, which is characterized in that the collet periphery
Face is provided with heat release casing, and the heat release casing is located in shell-like shell.
6. the injection mold nozzle according to claim 5 for avoiding resin carbonation, which is characterized in that the primary heater
It is separately positioned in shell-like shell with secondary heater, the primary heater is located above secondary heater, and described second adds
Hot device is located above heat release casing.
7. the injection mold nozzle according to claim 1 for avoiding resin carbonation, which is characterized in that the middle part linkage section
The junction indent of lower nozzle tip section is provided with a circle first step, the top of the collet is connected with first step
It connects.
8. the injection mold nozzle according to claim 1 for avoiding resin carbonation, which is characterized in that before the collet
End evagination is provided with the heat conduction ring that a circle is directed toward mounting hole, is provided with second step corresponding with heat conduction ring in the mounting hole.
9. the injection mold nozzle according to claim 4 for avoiding resin carbonation, which is characterized in that outside the collet
Evagination is provided with a circle support in the washer of shell-like housing forward end on circle.
10. the injection mold nozzle according to claim 1 for avoiding resin carbonation, which is characterized in that the top linking
The end of section is provided with adapter corresponding with installation bore ends, is provided with a circle and shell-like housing rear end pair on the adapter
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 CN106079284A (en) | 2016-11-09 |
| CN106079284B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7442159B2 (en) * | 2020-11-13 | 2024-03-04 | フィーサ株式会社 | Injection nozzle and nozzle heater |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT927617E (en) * | 1997-12-19 | 2001-11-30 | Gunther Gmbh & Co Kg Metallver | HEATED FLUSH NOZZLE |
| ITTO20040240A1 (en) * | 2004-04-20 | 2004-07-20 | Piero Enrietti | HEATED NOZZLE GROUP FOR MOLDING OF PLASTIC MATERIALS |
| DE202007017083U1 (en) * | 2007-12-05 | 2009-04-16 | Günther Heisskanaltechnik Gmbh | injection molding |
| WO2009146228A1 (en) * | 2008-05-27 | 2009-12-03 | Husky Injection Molding Systems Ltd | 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN106079284A (en) | 2016-11-09 |
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