CN209289678U - One kind being molded into co-extrusion film die - Google Patents
One kind being molded into co-extrusion film die Download PDFInfo
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- CN209289678U CN209289678U CN201822193103.0U CN201822193103U CN209289678U CN 209289678 U CN209289678 U CN 209289678U CN 201822193103 U CN201822193103 U CN 201822193103U CN 209289678 U CN209289678 U CN 209289678U
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- die
- molded
- injection molding
- extrusion film
- molding cavity
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- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to mould manufacturing fields, are molded into co-extrusion film die more particularly, to one kind.The technical solution of the utility model is achieved in that one kind is molded into co-extrusion film die, the die head including die body and the one end for being set in die body；It is characterized by: the die body includes upper die and lower die；The upper die and lower die are connected by the thermal expansion bolt with thermal expansion effects；The injection molding cavity for being formed and being molded is provided between the upper die and lower die, and the horizontal plane of the injection molding cavity is T-shaped, the lower die is provided with the mounting groove being recessed inwardly far from upper mold on one side；The heating component for preventing melt to be adhered to injection molding cavity and prevent melt flow from declining is provided in the mounting groove.The utility model it is practical, it is easy to spread.
Description
Technical field
The utility model relates to mould manufacturing fields, are molded into co-extrusion film die more particularly, to one kind.
Background technique
The general real life application of co-extrusion film has: plain chocolate bag, courier bag, metal protective film and drug bag are raw
Essential thing in producing and processing.Enterprise is good to co-extrusion film stretching performance, surface brightness etc. multinomial during production
The requirement of standard is increasingly increased, therefore the processing of co-extrusion film becomes more and more important, and co-extrusion film processing mold currently on the market is also
There is some problems, in the first process for produce the melt of co-extrusion film in die body that maintain temperature, be easy viscous
The flow velocity for being attached to mold cavity or melt is slack-off, causes the co-extrusion film quality produced bad；Second, in process engineering
In, it is not adjustable the internal clearance of die body, the co-extrusion film that different sizes require cannot be produced and be difficult to control machining accuracy；The
Three, injection molding cavity is interior since melt is to flow freely, and will appear the problem of die body insied width is unevenly distributed in production process.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind to be molded into co-extrusion film die.
The technical solution of the utility model is achieved in that one kind is molded into co-extrusion film die, including die body and set
It is located at the die head of one end of die body；It is characterized by: the die body includes upper die and lower die；The upper die and lower die are by having
The thermal expansion bolt of thermal expansion effects connects；The injection molding cavity for being formed and being molded is provided between the upper die and lower die, and
The horizontal plane of the injection molding cavity is T-shaped, and the lower die is provided with the mounting groove being recessed inwardly far from upper mold on one side；The mounting groove
Inside it is provided with the heating component for preventing melt to be adhered to injection molding cavity and prevent melt flow from declining；The die head leans on near-lying mode
One end of body is provided with several grooves of the die body for connecting different model, and the slot bottom of each groove is provided with for dividing melt
The bore of the diffluence pass of stream, each diffluence pass is different and diffluence pass is connected to the feed inlet of die body.
It is preferred that are as follows: the two sides of the die body be provided with for further by melt in injection molding cavity equally distributed intermittence
Knocking device.
It is preferred that are as follows: the intermittence knocking device is pulse knocker.
It is preferred that are as follows: several through-holes passed through for thermal expansion bolt are provided on the upper die and lower die.
It is preferred that are as follows: the heating component includes electric hot plate and the heat conducting bar that is fixedly connected on electric hot plate, the heat conducting bar
One end far from electric hot plate is mounted on the mounting groove of lower mold body.
By using above-mentioned technical proposal, first, pass through the thermal expansion spiral shell with thermal expansion effects using upper die and lower die
It tethers and connects, need to only control temperature when production in process of production, can be accurately controlled between the injection molding between upper die and lower die
Gap.Second, the horizontal plane of the injection molding cavity is T-shaped, and the head of T-type is the entrance for inputting melt, and such design can be
Space at the inflow of melt is greater than the space of forming part, and pig sample can be melt both ends in injection molding cavity and be squeezed power increasing
Add, facilitates melt and enter more uniform close to the distribution of forming part two sides in forming part, the quality of raising co-extrusion film.Third, institute
It states and is provided with heating component in mounting groove, the heating component is to be connected by electric hot plate with heat conducting bar, and such setting can
To maintain temperature of the melt in injection molding cavity to keep stablizing, melt can be prevented to be adhered to inner cavity and prevent under melt flow
Drop, further improves product quality.4th, several grooves of the die body for connecting different model are provided on die head,
The requirement of multiple product can be produced by further realizing same mold, further improve production efficiency.It is set in the two sides of die body
It is equipped with intermittent knocking device, during production, the minor impact of indirect knocking device can make melt in injection molding cavity
Melt is further uniformly distributed by interior weak vibrations in injection molding cavity, improves the quality of production of co-extrusion film.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the inner cavity schematic diagram of die body in specific embodiment of the present invention；
Fig. 2 is the A direction view of Fig. 1；
Fig. 3 is the cross-sectional view of die body in specific embodiment of the present invention；
Fig. 4 is the structural schematic diagram of specific embodiment of the present invention die head.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As Figure 1-Figure 4, co-extrusion film die is molded into the utility model discloses one kind, including die body 1 and be arranged
Die head 2 in one end of die body；In the utility model specific embodiment, the die body 1 includes upper mold 11 and lower die 12；It is described
Upper mold 11 and lower die 12 are connected by the thermal expansion bolt 3 with thermal expansion effects；It is arranged between the upper mold 11 and lower die 12
There is the injection molding cavity 110 for being formed and being molded, and the horizontal plane of the injection molding cavity 110 is T-shaped, the lower die 12 is far from upper mold 11
It is provided with the mounting groove 121 being recessed inwardly on one side；It is provided in the mounting groove 121 for preventing melt to be adhered to injection molding cavity
110 and prevent melt flow decline heating component 122；The die head 2 is provided with close to one end of die body 1 for connecting not
With several grooves 21 of the die body 1 of model, the slot bottom of each groove 21 is provided with the diffluence pass 22 for shunting melt, each to shunt
The bore of mouth 22 is different and diffluence pass 22 is connected to the feed inlet of die body 2.
In the utility model specific embodiment, the two sides of the die body 1 are provided with for being further molded melt
Intracavitary equally distributed intermittent knocking device 14.
In the utility model specific embodiment, the intermittence knocking device 14 is pulse knocker.
In the utility model specific embodiment, be provided in the upper mold 11 and lower die 12 it is several can thermal expansion spiral shell
The through-hole that bolt 3 passes through.
In the utility model specific embodiment, the heating component 122 includes electric hot plate 123 and is fixedly connected on electric heating
Heat conducting bar 124 on plate 123, the heat conducting bar 124 are mounted on the mounting groove 121 of lower mold body 12 far from one end of electric hot plate 123
On.
By using above-mentioned technical proposal, first, pass through the thermal expansion spiral shell with thermal expansion effects using upper die and lower die
It tethers and connects, need to only control temperature when production in process of production, can be accurately controlled between the injection molding between upper die and lower die
Gap.Second, the horizontal plane of the injection molding cavity is T-shaped, and the head of T-type is the entrance for inputting melt, and such design can be
Space at the inflow of melt is greater than the space of forming part, and pig sample can be melt both ends in injection molding cavity and be squeezed power increasing
Add, facilitates melt and enter more uniform close to the distribution of forming part two sides in forming part, the quality of raising co-extrusion film.Third, institute
It states and is provided with heating component in mounting groove, the heating component is to be connected by electric hot plate with heat conducting bar, and such setting can
To maintain temperature of the melt in injection molding cavity to keep stablizing, melt can be prevented to be adhered to inner cavity and prevent under melt flow
Drop, further improves product quality.4th, several grooves of the die body for connecting different model are provided on die head,
The requirement of multiple product can be produced by further realizing same mold, further improve production efficiency.It is set in the two sides of die body
It is equipped with intermittent knocking device, during production, the minor impact of indirect knocking device can make melt in injection molding cavity
Melt is further uniformly distributed by interior weak vibrations in injection molding cavity, improves the quality of production of co-extrusion film.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. one kind is molded into co-extrusion film die, the die head including die body and the one end for being set in die body；It is characterized by: described
Die body includes upper die and lower die；The upper die and lower die are connected by the thermal expansion bolt with thermal expansion effects；The upper mold
The injection molding cavity for being formed and being molded is provided between lower die, and the horizontal plane of the injection molding cavity is T-shaped, the lower die is far from upper
Mould is provided with the mounting groove being recessed inwardly on one side；Be provided in the mounting groove for prevent melt be adhered to injection molding cavity and
The heating component for preventing melt flow from declining；The die head is provided with the die body for connecting different model close to one end of die body
Several grooves, the slot bottom of each groove is provided with the diffluence pass for shunting melt, and the bore of each diffluence pass is along the upper of die head
End is gradually increased downwards；Diffluence pass is connected to the feed inlet of die body.
2. one kind according to claim 1 is molded into co-extrusion film die, it is characterised in that: the two sides of the die body are provided with
For further by melt in injection molding cavity it is equally distributed intermittence knocking device.
3. one kind according to claim 2 is molded into co-extrusion film die, it is characterised in that: it is described intermittence knocking device be
Pulse knocker.
4. one kind according to claim 1 is molded into co-extrusion film die, it is characterised in that: be all provided on the upper die and lower die
It is equipped with several through-holes passed through for thermal expansion bolt.
5. one kind according to claim 1 is molded into co-extrusion film die, it is characterised in that: the heating component includes electric heating
Plate and the heat conducting bar being fixedly connected on electric hot plate, the heat conducting bar are mounted on the mounting groove of lower mold body far from one end of electric hot plate
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822193103.0U CN209289678U (en) | 2018-12-26 | 2018-12-26 | One kind being molded into co-extrusion film die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822193103.0U CN209289678U (en) | 2018-12-26 | 2018-12-26 | One kind being molded into co-extrusion film die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209289678U true CN209289678U (en) | 2019-08-23 |
Family
ID=67648758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822193103.0U Expired - Fee Related CN209289678U (en) | 2018-12-26 | 2018-12-26 | One kind being molded into co-extrusion film die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209289678U (en) |
-
2018
- 2018-12-26 CN CN201822193103.0U patent/CN209289678U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20211226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |