CN107650337A - Nozzle assembly and hot flow path adapted to injection system for hot flow path adapted to injection system - Google Patents
Nozzle assembly and hot flow path adapted to injection system for hot flow path adapted to injection system Download PDFInfo
- Publication number
- CN107650337A CN107650337A CN201610594387.7A CN201610594387A CN107650337A CN 107650337 A CN107650337 A CN 107650337A CN 201610594387 A CN201610594387 A CN 201610594387A CN 107650337 A CN107650337 A CN 107650337A
- Authority
- CN
- China
- Prior art keywords
- flow path
- injection system
- hot flow
- main body
- nozzle assembly
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 33
- 239000007924 injection Substances 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000005491 wire drawing Methods 0.000 abstract description 7
- 239000003292 glue Substances 0.000 abstract description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010257 thawing 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
- B29C45/278—Nozzle tips
-
- 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
Abstract
Present invention is disclosed a kind of nozzle assembly and hot flow path adapted to injection system for hot flow path adapted to injection system, the nozzle assembly includes：Nozzle point, extends along longitudinally, includes the main body of tubular structure, and is provided with the first end of material path, and the outer surface of the first end is hemisphere face；Sprue bush, extend along the longitudinally, be sheathed on outside the first end and the main body, including the first bottom being adapted to the first end, the distance on first bottom between any point and the outer surface of the first end is equal.The present invention designs the sharp and matched sprue bush of hemispheric nozzle, reduces the foster glue region between nozzle point and sprue bush, completely eliminates the situation of wire drawing.
Description
Technical field
The invention belongs to hot flow path injection molding technology field, and in particular to a kind of nozzle assembly and hot flow path adapted to injection system for hot flow path adapted to injection system.
Background technology
Hot flow path（hot runner）Device is usually used in injection mold, and the plastics of thawing are injected into the heating component set in the cavity of mould by it.Common open TOP-TIP is typically made up of several parts such as temperature control component, flow distribution plate, nozzle assembly.
Nozzle head component is generally made up of nozzle point and sprue bush, and existing nozzle pointed nose is provided with three material paths, and the angle between each two material path is 120 °.Angle between the outer surface of nozzle pointed nose and nozzle point central shaft is 45 degree, and angle is smaller, and the region between nozzle pointed nose and sprue bush is larger, and it is more to support glue；There are 0.3mm prosposition tips at nozzle sharp end, and cast gate is cased with 10mm material handle, wherein have 0.1mm position of going straight up at nozzle sharp end, after convenient every mould formed product terminates, nozzle point cut-out material handle.But this structure is breaking good fluidity, the big plastics of viscosity, such as during PP material, the situation for having wire drawing occurs.
The content of the invention
It is an object of the invention to provide a kind of nozzle assembly and hot flow path adapted to injection system for hot flow path adapted to injection system.
To achieve these goals, technical scheme provided in an embodiment of the present invention is as follows：
A kind of nozzle assembly for hot flow path adapted to injection system, the nozzle assembly include：Nozzle point, extends along longitudinally, includes the main body of tubular structure, and is provided with the first end of material path, and the outer surface of the first end is hemisphere face；Sprue bush, extend along the longitudinally, be sheathed on outside the first end and the main body, including the first bottom being adapted to the first end, the distance on first bottom between any point and the outer surface of the first end is equal.
As a further improvement on the present invention, the sprue bush also includes the duct of the frustum type along longitudinally extension, the duct forms the first opening in first bottom, the second opening is formed in the outer surface of the sprue bush, the diameter in the duct gradually increases from the described first opening to the described second opening.
As a further improvement on the present invention, the height in the duct of the frustum type is 10 millimeters.
As a further improvement on the present invention, the distance on first bottom between any point and the outer surface of the first end is 1 millimeter.
As a further improvement on the present invention, the first end is provided with three material paths.
As a further improvement on the present invention, the angle in the material path between each two material path is 120 degree.
As a further improvement on the present invention, the nozzle point includes the second end being oppositely arranged with the first end, and the external diameter of the second end is adapted with the external diameter of the sprue bush.
As a further improvement on the present invention, the main body includes the first main body with first end adjoining, and the second main body with the second end adjoining, the external diameter of second main body is more than the external diameter of first main body, and sloping platform terrace is provided between first main body and second main body.
As a further improvement on the present invention, second main body is adapted with the inwall of the sprue bush, and 1 millimeter is smaller than between first main body and the inwall.
The technical scheme that another embodiment of the present invention provides is as follows：
A kind of hot flow path adapted to injection system, the hot flow path adapted to injection system include temperature control component, flow distribution plate and the nozzle assembly as described above for being used for hot flow path adapted to injection system.
The beneficial effects of the invention are as follows：
The present invention's is used in the nozzle assembly of hot flow path injection, devise hemispheric nozzle point, angle between the outer surface of nozzle pointed nose and nozzle point central shaft is larger, coordinate the sprue bush being adapted with nozzle pointed nose, the foster glue region between nozzle point and sprue bush is reduced, sprue bush is cancelled at nozzle pointed nose goes straight up to position, is changed to pointed design, it is convenient terminate per mould formed product after, cut-out material handle during ejection device.This anti-threaded configuration of round end completely solves the appearance of product wire drawing situation.Solve the present situation of cast gate wire drawing, improve product appearance, improve product quality, reduce the fraction defective of production so that production efficiency greatly improves, and reduces manpower, financial resources, reduces cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are only some embodiments described in the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the nozzle assembly for being used for hot flow path adapted to injection system in an embodiment of the present invention；
Fig. 2 is the schematic diagram of nozzle point in Fig. 1；
Fig. 3 is Fig. 1 L-L directions cross section structure diagram；
Fig. 4 is Fig. 3 partial enlarged drawing.
Embodiment
Below with reference to embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are not intended to limit the present invention, structure that one of ordinary skill in the art is made according to these embodiments, method or conversion functionally are all contained in protection scope of the present invention.
In each diagram of the present invention, for the ease of diagram, therefore structure or partial some sizes, can be only used for illustrating the basic structure of subject of the present invention relative to other structures or partial enlargement.
It is used herein for example " on ", " top ", " under ", the term of the representation space relative position such as " lower section " is in order at and is easy to the purpose of explanation to describe a unit as shown in the drawings or feature relative to another unit or the relation of feature.The term of relative space position can be intended to include different azimuth of the equipment in use or work in addition to orientation shown in figure.If for example, by figure equipment overturn, be described as being located at other units or feature " lower section " or " under " unit will be located at other units or feature " top ".Therefore, exemplary term " lower section " can include above and below both orientation.Equipment can be otherwise directed（It is rotated by 90 ° or other directions）, and correspondingly explain used herein and space correlation description language.
Also, it should be understood that although the grade of term first, second can be used to describe various elements or structure herein, but these are described object and should not be limited by these terms.These terms are only used for these description objects being distinguished from each other out.For example, first end can be referred to as the second end, and similarly the second end can also be referred to as first end, and this is without departing from protection scope of the present invention.
With reference to shown in Fig. 1 to Fig. 3, the nozzle assembly 1 for hot flow path adapted to injection system of an embodiment of the present invention offer, the nozzle assembly 1 includes nozzle point 3 and the sprue bush 5 being sheathed on outside nozzle point 3.
Nozzle point 3 extends along longitudinally, and overall in cylinder, by the first end 31 positioned at Fig. 2 bottoms, the second end 32 positioned at Fig. 2 tops, and the main part 33 of connection first end 31 and the second end 32 form.Wherein, the external diameter of the second end 32 is more than the external diameter of main part 33 and first end 31, is adapted with the external diameter of sprue bush 5.Nozzle point 3 is internally provided with the pipeline passed through for melting material, and melting material flows into from the opening 34 being arranged on the second end 32, by main part 33, is flowed out from first end 31.
Main part 33 is tubular structure, is contained in the inner chamber of sprue bush 5, including the first main body 331 abutted with first end 31, and the second main body 332 abutted with the second end 32.Wherein, the external diameter of the second main body 332 is adapted with the internal diameter of sprue bush 5, and the external diameter of the first main body 331 is less than the external diameter of the second main body 332, it is preferred that the external diameter of the first main body 331 and the external diameter of the second main body 332 difference are not more than 1 millimeter.First main body 331 and the adjacent position of the second main body 332 are provided with sloping platform terrace 333, when installing nozzle point 3, can effectively carry out assistance positioning.
First end 31 is hollow hemispherical, opening up to be covered in the opening of the first main body 331, and the outer surface of first end 31 is smooth hemisphere face.The material path 311 passed through for melting material is provided with first end 31, it is preferred that material path 311 shares three, and the angle between each two material path is 120 degree.Preferably, a diameter of 2.5 millimeters of each material path 311.
Sprue bush 5 extends along longitudinally, and its top is provided with opening 55, is recessed downwards from opening 55 and forms the receiving space of main body 33 and first end 31.Nozzle point 3 enters sprue bush 5 from opening 55, and when nozzle 3 installation completely of point, the second end 32 of nozzle point 3 completely encloses the opening 55 of sprue bush 5.Receiving space includes housing the first bottom 51 of first end 31 and houses the main body receiving space 53 of main part 33.Wherein, main body receiving space 53 is cylinder, and its diameter is adapted with the external diameter of the second main body 332；First bottom 51 is hemispherical, the hemispheric diameter is slightly larger than the external diameter of the first end 31, so that there is certain gap between the inner surface of the first bottom 51 and the outer surface of first end 31, and the gap on the first bottom 51 between any point and the outer surface of first end 31 is equal.Gap between first bottom 51 and first end 31 forms the foster glue region of nozzle assembly 1.Preferably, the gap on the first bottom 51 between any point and the outer surface of first end 31 is 1 millimeter.
Sprue bush 5 also includes material handle 57, and material handle 57 is located at the bottom of sprue bush 5, is the duct of a frustum type.Expect that handle 57 forms the first opening 571 in the first bottom 51, the second opening 572 is formed on the bottom surface of sprue bush 5.The diameter of first opening 571 is less than the diameter of the second opening 572, and expects handle 57 from the opening 572 of the first opening 571 to the second, and diameter gradually increases.It is pointed design between first opening 571 and the inner surface of the first bottom 51, eliminates in existing design and go straight up to space, is more conducive to prevent the formation of wire drawing.Preferably, the height for expecting handle 57 is 10 millimeters.
In a specific example of the invention, there is provided a kind of hot flow path adapted to injection system, the hot flow path adapted to injection system include temperature control component, control the temperature in whole TOP-TIP；Flow distribution plate, by the feedstock transportation of melting state to diverse location；And nozzle assembly as previously described, it is installed on the flow distribution plate, the melting material that flow distribution plate conveying is come exports.
In summary, in the nozzle assembly for hot flow path adapted to injection system of the present invention, devise hemispheric nozzle point, angle between the outer surface of nozzle pointed nose and nozzle point central shaft is larger, coordinates the sprue bush being adapted with nozzle pointed nose, reduces the foster glue region between nozzle point and sprue bush, sprue bush is cancelled at nozzle pointed nose goes straight up to position, be changed to pointed design, it is convenient terminate per mould formed product after, cut-out material handle during ejection device.This anti-threaded configuration of round end completely solves the appearance of product wire drawing situation.Solve the present situation of cast gate wire drawing, improve product appearance, improve product quality, reduce the fraction defective of production so that production efficiency greatly improves, and reduces manpower, financial resources, reduces cost.
It should be understood that, although the present specification is described in terms of embodiments, but not each embodiment only includes an independent technical scheme, this narrating mode of specification is only for clarity, the skilled in the art should refer to the specification as a whole, technical scheme in each embodiment may also be suitably combined to form that other embodiments which can be understood by those skilled in the art.
Those listed above is a series of to describe illustrating only for feasibility embodiment of the invention in detail; they simultaneously are not used to limit the scope of the invention, and all equivalent implementations made without departing from skill spirit of the present invention or change should be included in the scope of the protection.
It should be understood that, although the present specification is described in terms of embodiments, but not each embodiment only includes an independent technical scheme, this narrating mode of specification is only for clarity, the skilled in the art should refer to the specification as a whole, technical scheme in each embodiment may also be suitably combined to form that other embodiments which can be understood by those skilled in the art.
Those listed above is a series of to describe illustrating only for feasibility embodiment of the invention in detail; they simultaneously are not used to limit the scope of the invention, and all equivalent implementations made without departing from skill spirit of the present invention or change should be included in the scope of the protection.
Claims (10)
1. a kind of nozzle assembly for hot flow path adapted to injection system, it is characterised in that the nozzle assembly includes：
Nozzle point, extends along longitudinally, includes the main body of tubular structure, and is provided with the first end of material path, and the outer surface of the first end is hemisphere face；
Sprue bush, extend along the longitudinally, be sheathed on outside the first end and the main body, including the first bottom being adapted to the first end, the distance on first bottom between any point and the outer surface of the first end is equal.
2. the nozzle assembly according to claim 1 for hot flow path adapted to injection system, it is characterized in that, the sprue bush also includes the duct of the frustum type along longitudinally extension, the duct forms the first opening in first bottom, the second opening is formed in the outer surface of the sprue bush, the diameter in the duct gradually increases from the described first opening to the described second opening.
3. the nozzle assembly according to claim 2 for hot flow path adapted to injection system, it is characterised in that the height in the duct of the frustum type is 10 millimeters.
4. the nozzle assembly according to claim 1 for hot flow path adapted to injection system, it is characterised in that the distance on first bottom between any point and the outer surface of the first end is 1 millimeter.
5. the nozzle assembly according to claim 1 for hot flow path adapted to injection system, it is characterised in that the first end is provided with three material paths.
6. the nozzle assembly according to claim 5 for hot flow path adapted to injection system, it is characterised in that the angle in the material path between each two material path is 120 degree.
7. the nozzle assembly according to claim 1 for hot flow path adapted to injection system, it is characterised in that the nozzle point includes the second end being oppositely arranged with the first end, and the external diameter of the second end is adapted with the external diameter of the sprue bush.
8. the nozzle assembly according to claim 1 for hot flow path adapted to injection system, it is characterized in that, the main body includes the first main body with first end adjoining, and the second main body with the second end adjoining, the external diameter of second main body is more than the external diameter of first main body, and sloping platform terrace is provided between first main body and second main body.
9. the nozzle assembly according to claim 8 for hot flow path adapted to injection system, it is characterised in that second main body is adapted with the inwall of the sprue bush, and 1 millimeter is smaller than between first main body and the inwall.
10. a kind of hot flow path adapted to injection system, it is characterised in that the hot flow path adapted to injection system includes temperature control component, flow distribution plate and the nozzle assembly for hot flow path adapted to injection system as described in claim 1 to 9 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594387.7A CN107650337A (en) | 2016-07-26 | 2016-07-26 | Nozzle assembly and hot flow path adapted to injection system for hot flow path adapted to injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594387.7A CN107650337A (en) | 2016-07-26 | 2016-07-26 | Nozzle assembly and hot flow path adapted to injection system for hot flow path adapted to injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107650337A true CN107650337A (en) | 2018-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610594387.7A Pending CN107650337A (en) | 2016-07-26 | 2016-07-26 | Nozzle assembly and hot flow path adapted to injection system for hot flow path adapted to injection system |
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|---|---|
| CN (1) | CN107650337A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5879727A (en) * | 1997-01-21 | 1999-03-09 | Husky Injection Molding Systems, Ltd. | Insulated modular injection nozzle system |
| CN201769341U (en) * | 2010-07-28 | 2011-03-23 | 亿和塑胶电子制品(深圳)有限公司 | Sprue bush without plastic residue |
| CN202805557U (en) * | 2012-08-14 | 2013-03-20 | 佛山市顺德区弗伦克热流道科技有限公司 | Hot nozzle structure of hot runner |
-
2016
- 2016-07-26 CN CN201610594387.7A patent/CN107650337A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5879727A (en) * | 1997-01-21 | 1999-03-09 | Husky Injection Molding Systems, Ltd. | Insulated modular injection nozzle system |
| CN201769341U (en) * | 2010-07-28 | 2011-03-23 | 亿和塑胶电子制品(深圳)有限公司 | Sprue bush without plastic residue |
| CN202805557U (en) * | 2012-08-14 | 2013-03-20 | 佛山市顺德区弗伦克热流道科技有限公司 | Hot nozzle structure of hot runner |
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