CN221365840U - Seven-layer coextrusion asymmetric barrier film blowing machine - Google Patents
Seven-layer coextrusion asymmetric barrier film blowing machine Download PDFInfo
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- CN221365840U CN221365840U CN202322848714.5U CN202322848714U CN221365840U CN 221365840 U CN221365840 U CN 221365840U CN 202322848714 U CN202322848714 U CN 202322848714U CN 221365840 U CN221365840 U CN 221365840U
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- die
- injection molding
- barrier film
- forming
- extrusion
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- 230000004888 barrier function Effects 0.000 title claims abstract description 34
- 238000010096 film blowing Methods 0.000 title claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 45
- 238000001746 injection moulding Methods 0.000 claims abstract description 38
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract 2
- 238000003780 insertion Methods 0.000 abstract 2
- 239000010408 film Substances 0.000 description 35
- 239000012528 membrane Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a seven-layer co-extrusion asymmetric barrier film blowing machine, which comprises a frame, wherein a barrier film die and an injection molding machine are arranged below the frame, a film stabilizing frame, a film leaning frame and a winding machine are sequentially arranged above the barrier film die, the barrier film die comprises a forming die and an extrusion die which are sequentially connected from top to bottom, annular forming extrusion cavities are arranged on the forming die, the extrusion die is sequentially and vertically arranged, a cylindrical insertion die which is inserted in the extrusion die is arranged on the forming die, an annular gathering cavity is formed between the cylindrical insertion die and the extrusion die, the gathering cavity is communicated with the forming extrusion cavity to form a forming runner, an inlet is arranged on the outer wall of the extrusion die, a split runner communicated with the inlet is arranged on the end face of the extrusion die, eight outlets which are uniformly distributed on the circumference are arranged on the inner wall of the extrusion die, an injection nozzle of the injection molding machine is inserted into the inlet, and a net changer is arranged in an injection molding pipeline of the injection molding machine. Therefore, the technical effects that the material structures of all layers are balanced and the filter screen is convenient to replace are achieved.
Description
Technical Field
The utility model relates to a film blowing machine, in particular to a seven-layer co-extrusion asymmetric barrier film blowing machine.
Background
The barrier film is produced by a film blowing machine and is a thin film for isolating or separating two different environments or substances. In general, the barrier film functions to prevent the transmission of a substance from one region to another, thereby protecting the quality and performance of the product. Barrier films are also a common insulating material, and are mainly made of high polymer materials. Its main function is to block current, so that the electronic equipment can work normally. The types and the specifications of the barrier films are numerous, the film layers with different functions are required to be added according to the application conditions, so the barrier films are multi-layer films, different materials and corresponding dies are required for each layer of films, when the barrier films are produced, the number of required dies is large, the number of layers is small, the required layers cannot be met, meanwhile, materials enter the dies in the process of foaming the films at extrusion positions and cannot reach the extrusion flow channels of the dies in a timely and balanced manner, the thickness of the films is uneven or the distribution of the different film layers is uneven, and the required use performance of the barrier films is greatly influenced.
Meanwhile, the filter screen of the film blowing machine needs to be replaced for a period of time in the injection molding process, so that the production progress is greatly influenced.
Disclosure of utility model
In order to solve the problems, the utility model aims to provide a seven-layer coextrusion asymmetric barrier film blowing machine which has balanced structure of various layers of materials and is convenient for replacing a filter screen.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a seven-layer is asymmetric barrier film inflation film manufacturing machine altogether, which comprises a frame, the below of frame is provided with barrier film mould and injection molding machine, and the top of barrier film mould has set gradually steady membrane frame, lean on membrane frame and rolling machine, and the barrier film mould has connected gradually moulded die, extrusion die from top to bottom, is equipped with annular shaping extrusion chamber on the moulded die, and extrusion die vertically arranges in proper order, is equipped with the cylindrical insert mould that alternates at extrusion die on the moulded die, and this cylindrical insert mould forms annular gathering chamber with the clearance between the extrusion die, and this gathering chamber communicates with each other with shaping extrusion chamber and forms the shaping runner be provided with the entry on the extrusion die outer wall, be equipped with on the terminal surface of extrusion die with the communicating shunt of entry, be equipped with circumference equipartition's eight export on the extrusion die inner pore wall, the shunt communicates with this eight export through the form one-to-one of one-to-one, the injection molding machine inserts the entry into the injection nozzle of injection molding machine be provided with the net change ware in the pipeline of injection molding machine.
The injection molding machine comprises an injection molding machine body, wherein two flange plates are arranged at intervals in an injection molding pipeline of the injection molding machine body, the two flange plates are connected through a shaft rod at intervals, a net changer is rotatably arranged on the shaft rod between the two flange plates, more than two through holes are formed in the net changer, a filter screen is arranged in each through hole, and a handle is further arranged on the outer wall of the net changer.
The last section of runner that the shunt channel communicates with the export is arc form and is tangential direction and inserts in the shaping runner, two exports of runner of one in the shunt channel are symmetrical the setting, four exports of runner of two in two are symmetrical the setting.
The forming extrusion cavity is in the shape of the side wall of the bowl, and the channel of the forming extrusion cavity is gradually narrowed from bottom to top.
The beneficial effects of the utility model are as follows: different materials are extruded into corresponding extrusion dies through corresponding injection molding machines, and the materials are uniformly extruded into forming runners through the split runners, so that when the extruded materials enter the forming runners, all layers of materials are uniformly formed, all layers of material structures of the formed bubble film section structure are uniform, and a net replacing device is arranged in an injection molding pipeline of the injection molding machine, so that the efficiency of replacing a filter net is greatly improved through the net replacing device, and the technical effects of uniform material structures of all layers and convenience in replacing the filter net are achieved.
The utility model is further described below with reference to the drawings and detailed description.
Drawings
FIG. 1 is a perspective view of an embodiment of the present utility model;
FIG. 2 is a perspective view of a barrier film mold and an injection molding machine in accordance with an embodiment of the present utility model;
FIG. 3 is a cut-away view of a barrier film mold and injection molding machine in accordance with an embodiment of the present utility model;
FIG. 4 is a cut-away view of a barrier film mold in accordance with an embodiment of the present utility model;
FIG. 5 is a view showing an internal structure of an extrusion die according to an embodiment of the present utility model;
Fig. 6 is a perspective view of a screen changer according to an embodiment of the present utility model.
Detailed Description
The present utility model is described in detail below by way of examples only for further explanation of the present utility model and is not to be construed as limiting the scope of the present utility model.
As shown in fig. 1-6, this embodiment discloses a seven-layer co-extrusion asymmetric barrier film blowing machine, which comprises a frame 1, a barrier film die 2 and an injection molding machine 3 are arranged below the frame 1, a film stabilizing frame 4, a film leaning frame 5 and a winding machine 6 are sequentially arranged above the barrier film die 2, the bottom of the barrier film die 2 is installed on an air outlet device, the film stabilizing frame 4 and the film leaning frame 5 can flatten a bilayer sheet film blown out by the barrier film die 2, finally the winding machine 6 winds the film, the barrier film die 2 comprises a forming die 21 and seven extrusion dies 22 which are sequentially connected from top to bottom, the forming die 21 is provided with an annular forming extrusion cavity 23, the extrusion dies 22 are formed by an upper die and a lower die which are symmetrical in structure, the extrusion dies 22 are sequentially vertically arranged, a cylindrical inserting die 24 which is inserted in the extrusion dies 22 is arranged on the forming die, a gap between the cylindrical inserting die 24 and the extrusion dies 22, the gathering cavity 25 and the forming a forming molding runner which is communicated with the forming extrusion cavity 23, an inlet 20 is arranged on the outer wall of the extrusion dies 22, two-split-phase inlets 20 are arranged on the outer walls of the extrusion dies 20, two-split-inlets 20 are respectively communicated with the four-split-inlets 9 and eight-split inlets 9 are arranged in the injection molding machine, and eight-split channels are communicated with each other by the four-split channels 3, and four-split inlets 20 are arranged in the injection molding machine 3, and one-split channels are communicated with each other by the injection molding machine.
The injection molding machine 3 is provided with two flange plates 7 arranged at intervals in an injection molding pipeline, the two flange plates 7 are connected at intervals through a shaft rod, the net changer 8 is rotatably arranged on the shaft rod between the two flange plates 7, the net changer 8 is in a triangular block shape, two through holes 81 are formed in the net changer 8, if the space allows the through holes 81 to be designed into more than two through holes 81, filter screens are arranged in the through holes 81, a handle 88 is further arranged on the outer wall of the net changer 8, the net changer 8 can be rotated through the handle, the operation is very convenient, and therefore, the other filter screen can be rotated into the injection molding pipeline of the injection molding machine 3, impurities in molten polymer can be effectively filtered, and the blocking of nozzles of the injection molding machine 3 is avoided.
The last section of runner 91 of the runner 9 communicated with the outlets is arc-shaped and is connected into the forming runner in a tangential direction, two outlets of a runner of one-half in the runner 9 are symmetrically arranged, and four outlets of a runner of four-half are symmetrically arranged. Through this structure can make the even dispersion of fluid plastics that gets into subchannel 9 and balanced get into the shaping runner, effectively guarantee that the bubble membrane structure of extruding is more balanced, and the shaping extrusion chamber 23 is the lateral wall shape of bowl, and the passageway of shaping extrusion chamber 23 narrows gradually from bottom to top. By means of the structure, the forming extrusion cavity 23 can have proper pressure during extrusion of fluid plastic, and packaging bubble film forming is more balanced.
By adopting the technical scheme, different materials are extruded into the corresponding extrusion dies 22 through the corresponding injection molding machine 3, and the materials are uniformly extruded into the forming runner through the shunt channel 9, so that when the extruded materials enter the forming runner, all layers of materials are uniformly formed, the structures of all layers of materials of the formed bubble film section structure are uniform, and the net changer 8 is arranged in an injection pipeline of the injection molding machine 3, so that the efficiency of changing the filter net is greatly improved through the net changer 8, and the technical effects of uniform structure of all layers of materials and convenient replacement of the filter net are realized.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. Seven-layer coextrusion asymmetric barrier film blowing machine comprises a frame and is characterized in that: the device comprises a frame, a barrier film die and an injection molding machine, wherein a film stabilizing frame, a film leaning frame and a winding machine are sequentially arranged below the frame, the barrier film die comprises a forming die and an extruding die which are sequentially connected from top to bottom, annular forming extrusion cavities are formed in the forming die, the extruding die is sequentially and vertically arranged, a cylindrical inserting die which is inserted in the extruding die is arranged on the forming die, an annular gathering cavity is formed in a gap between the cylindrical inserting die and the extruding die, the gathering cavity is communicated with the forming extrusion cavities to form a forming runner, an inlet is formed in the outer wall of the extruding die, a split channel which is communicated with the inlet is arranged on the end face of the extruding die, eight outlets which are uniformly distributed in circumference are formed in the inner wall of the extruding die, the split channels are in one-to-one correspondence with the eight outlets in a one-to-two, one correspondence with the inlets, and an injection molding nozzle of the injection molding machine is inserted into the inlet, and a net changer is arranged in an injection molding pipeline of the injection molding machine.
2. The seven-layer co-extruded asymmetric barrier film blowing machine of claim 1, wherein: the injection molding machine comprises an injection molding machine body, wherein two flange plates are arranged at intervals in an injection molding pipeline of the injection molding machine body, the two flange plates are connected through a shaft rod at intervals, a net changer is rotatably arranged on the shaft rod between the two flange plates, more than two through holes are formed in the net changer, a filter screen is arranged in each through hole, and a handle is further arranged on the outer wall of the net changer.
3. The seven-layer co-extruded asymmetric barrier film blowing machine of claim 1, wherein: the last section of runner that the shunt channel communicates with the export is arc form and is tangential direction and inserts in the shaping runner, two exports of runner of one in the shunt channel are symmetrical the setting, four exports of runner of two in two are symmetrical the setting.
4. The seven-layer co-extruded asymmetric barrier film blowing machine of claim 1, wherein: the forming extrusion cavity is in the shape of the side wall of the bowl, and the channel of the forming extrusion cavity is gradually narrowed from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322848714.5U CN221365840U (en) | 2023-10-24 | 2023-10-24 | Seven-layer coextrusion asymmetric barrier film blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322848714.5U CN221365840U (en) | 2023-10-24 | 2023-10-24 | Seven-layer coextrusion asymmetric barrier film blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221365840U true CN221365840U (en) | 2024-07-19 |
Family
ID=91866194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322848714.5U Active CN221365840U (en) | 2023-10-24 | 2023-10-24 | Seven-layer coextrusion asymmetric barrier film blowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221365840U (en) |
-
2023
- 2023-10-24 CN CN202322848714.5U patent/CN221365840U/en active Active
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