CN219789193U - Disc-shaped co-extrusion die for packaging film production - Google Patents
Disc-shaped co-extrusion die for packaging film production Download PDFInfo
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- CN219789193U CN219789193U CN202320574201.7U CN202320574201U CN219789193U CN 219789193 U CN219789193 U CN 219789193U CN 202320574201 U CN202320574201 U CN 202320574201U CN 219789193 U CN219789193 U CN 219789193U
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- die
- disc
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- shaped
- packaging film
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- 238000001125 extrusion Methods 0.000 title claims abstract description 37
- 239000012785 packaging film Substances 0.000 title claims abstract description 36
- 229920006280 packaging film Polymers 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 abstract description 28
- 230000000694 effects Effects 0.000 abstract description 11
- 238000013329 compounding Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of multilayer co-extrusion films, in particular to a disc-shaped co-extrusion die for producing packaging films, which comprises an upper die, wherein a die disc is fixedly connected to the outer part of the upper die, a feeding hole is formed in the outer part of the die disc, a circulation groove is formed in one side of the feeding hole, a feeding hole is formed in one side of the circulation groove, a mounting hole is formed in the outer part of the die disc, and a heating rod is fixedly connected to the outer part of the mounting hole. The utility model has the advantages that: through arranging the circulation groove and the feeding hole, the raw materials of each layer are uniformly compounded in the die, so that various raw materials are quickly and fully mixed together in the extrusion process, the compounding effect of various raw materials is improved, and the practicability of the disc-shaped coextrusion die for producing the packaging film is improved; through setting up forced air cooling hole and wind-guiding ring canal, be convenient for carry out the forced air cooling to the packaging film of extruding in the mould, make it can the quick fixed shaping after extruding from the mould, the cooperation mould uses.
Description
Technical Field
The utility model relates to the technical field of multilayer co-extrusion films, in particular to a disc-shaped co-extrusion die for producing packaging films.
Background
The packaging film is mainly formed by mixing and extruding polyethylene resins with different brands, has puncture resistance and super strength and high performance, and is used for winding and packaging cargoes stacked on a supporting plate, so that the cargoes are more stable and tidy, have super waterproof effect and are widely used in industries of foreign trade outlets, papermaking, hardware, plastic chemical industry, building materials, foods, medicines and the like, therefore, the packaging film is also called as a co-extrusion film, and the co-extrusion film needs to use a co-extrusion die in production, is formed by enabling two materials to flow along independent runners and meet at an outlet of a near-mouth die and is jointly extruded out of the die.
While solving the problems of the prior art, the method has the following disadvantages:
when the conventional co-extrusion die is used, raw materials are converged and extruded at the position close to the outlet of the die, so that various raw materials cannot be fully mixed together in the die, the composite effect of the raw materials is reduced, and the practicability of the co-extrusion die is reduced.
In this regard, the present utility model provides a disk-shaped co-extrusion die for packaging film production.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an object of the present utility model is to provide a disc-shaped co-extrusion die for producing packaging films, which solves the problems mentioned in the background art and overcomes the shortcomings in the prior art.
In order to achieve the above object, an embodiment of an aspect of the present utility model provides a disc-shaped co-extrusion die for producing packaging films, including an upper die, a die disc is fixedly connected to an outer portion of the upper die, a feed hole is provided to an outer portion of the die disc, a circulation groove is provided to one side of the feed hole, a feed hole is provided to one side of the circulation groove, a mounting hole is provided to an outer portion of the die disc, a heating rod is fixedly connected to an outer portion of the mounting hole, a die seat is fixedly mounted to an outer portion of one of the die discs, a guide groove is provided to an outer portion of the die seat, a through hole is provided to one side of the guide groove, a discharge groove is provided to one side of the through hole, an air cooling hole is provided to an inner portion of the die seat, an outer portion of one side of the air cooling hole is fixedly connected to an air guiding ring pipe, and one end of the air guiding ring pipe is fixedly connected to an air cooling device.
By any of the above schemes, preferably, the shape of the feeding hole is Y-shaped, one side of the feeding hole is communicated with the circulation groove, and the circular shaft array of the feeding hole is arranged in the die disc.
The technical effect achieved by adopting the scheme is as follows: the quick extrusion of the raw materials is convenient, the extrusion time is saved, and the raw materials of all layers can be conveniently mixed together in the extrusion process.
In any of the above embodiments, it is preferable that a plurality of mold discs are provided, and each mold disc has the same structure and material.
The technical effect achieved by adopting the scheme is as follows: the die discs can be communicated, so that the mixing extrusion of raw materials is facilitated, and various raw materials are also conveniently added.
By any of the above schemes, it is preferable that the heating rod penetrates through the upper die and the inside of the die disc, and the heating rod is provided with one side of the feeding hole.
The technical effect achieved by adopting the scheme is as follows: the raw material agent in the feeding hole is convenient to heat, so that the raw material can be extruded out of the feeding hole quickly while being kept in the original state, and the dead time in the die disc is reduced.
In any of the above embodiments, it is preferable that one side of the air cooling holes is communicated with the discharge chute, and the air cooling holes are circumferentially arrayed on one side of the interior of the die holder.
The technical effect achieved by adopting the scheme is as follows: the air cooling is convenient for the extruded film, the rapid forming of the film is ensured, and the film is not damaged.
By any of the above schemes, it is preferable that the air guiding ring pipe is fixedly connected with one side outside the die seat, one side of the air guiding ring pipe is communicated with the air cooling hole, and the guiding groove is communicated with the discharging groove through a through hole.
The technical effect achieved by adopting the scheme is as follows: all directions of the discharge chute can be subjected to air cooling, and the uniformity of film cooling is ensured.
By any of the above schemes, it is preferable that a fixing hole is formed outside the upper die, and a mounting guide rod is arranged outside the fixing hole.
The technical effect achieved by adopting the scheme is as follows: the connection between the dies is more stable, and the packaging film is convenient to produce.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. the disc-shaped co-extrusion die for producing the packaging film is characterized in that the circulation grooves and the feeding holes are arranged, when the packaging film is used, raw materials enter the die disc through the feeding holes, then are extruded into the circulation grooves, enter a plurality of feeding holes through the circulation grooves, then flow into the die disc at the lower layer, are mixed with the raw materials at the lower layer and are extruded out, the device is convenient for uniformly compounding the raw materials at each layer in the die, and various raw materials are quickly and fully mixed together in the extrusion process, so that the compounding effect of various raw materials is improved, and the practicability of the disc-shaped co-extrusion die for producing the packaging film is improved
2. The disc-shaped co-extrusion die for producing the packaging film is characterized in that an air cooling hole and an air guide ring pipe are formed, when the disc-shaped co-extrusion die is used, after the air cooling device enters a working state, cold air is blown into the air guide ring pipe, then enters the air cooling hole of a die seat through the air guide ring pipe, finally, cold air is blown into a discharging groove from one side of the air cooling hole, pre-air cooling is performed on the extruded packaging film, the device is convenient for air cooling the packaging film extruded in the die, and after the packaging film is extruded from the die, the packaging film can be rapidly fixed and formed and is matched with the die for use, so that the functionality of the disc-shaped co-extrusion die for producing the packaging film is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic illustration of a structure according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a structure according to the present utility model;
FIG. 3 is a schematic view, partly in section, of a construction of a mould disc according to the utility model;
FIG. 4 is a schematic cross-sectional view of a mold base according to the present utility model;
fig. 5 is a schematic structural view of a second view according to the present utility model.
In the figure: the device comprises a 1-upper die, a 2-die disc, a 3-feeding hole, a 4-circulation groove, a 5-feeding hole, a 6-mounting hole, a 7-heating rod, an 8-die seat, a 9-guiding groove, a 10-through hole, a 11-discharging groove, a 12-air cooling hole, a 13-air guiding ring pipe, a 14-air cooling device, a 15-fixing hole and a 16-mounting guide rod.
Detailed Description
Embodiment one: as shown in fig. 1 to 5, a disk-shaped co-extrusion die for packaging film production comprises an upper die 1, wherein the outer part of the upper die 1 is fixedly connected with a die disk 2, a feeding hole 3 is formed in the outer part of the die disk 2, a circulation groove 4 is formed in one side of the feeding hole 3, a feeding hole 5 is formed in one side of the circulation groove 4, the shape of the feeding hole 5 is Y-shaped, one side of the feeding hole 5 is communicated with the circulation groove 4, a circular shaft array of the feeding hole 5 is arranged in the inner part of the die disk 2, a mounting hole 6 is formed in the outer part of the die disk 2, a heating rod 7 is fixedly connected with the outer part of the mounting hole 6, penetrates through the inner parts of the upper die 1 and the die disk 2, one side of the feeding hole 5 is arranged at the position of the heating rod 7, the heating rod 7 is fixedly mounted in the die disk 2 through the mounting hole 6, a die seat 8 is fixedly mounted on the outer part of one die disk 2, a guide groove 9 is formed in the outer part of the die seat 8, a through hole 10 is formed on one side of the guide groove 9, a discharge groove 11 is formed on one side of the through hole 10, an air cooling hole 12 is formed in the die seat 8, one side of the air cooling hole 12 is communicated with the discharge groove 11, an air guide ring pipe 13 is welded outside one side of the air cooling hole 12, one end of the air guide ring pipe 13 is fixedly connected with an air cooling device 14, although the connection modes such as opening and welding are adopted in the embodiment, the number of the die discs 2 is not limited, the structure and the material of each die disc 2 are the same, raw materials with different materials can be filled in each die disc 2, a hole which is matched with the installation guide rod 16 is formed in the outer part of each die disc 2 so as to be convenient for fixing the die disc 2, the air guide ring pipe 13 is fixedly connected with one side outside the die seat 8, one side of the air guide ring pipe 13 is communicated with the air cooling hole 12, the guide groove 9 is communicated with the discharge groove 11 through the through holes 10, four air cooling holes 12 are formed in number, the circumferential array of the air cooling holes 12 is arranged on one side of the inner part of the die seat 8, the fixing holes 15 are formed in the outer part of the upper die 1, the installation guide rods 16 are arranged in the outer part of the fixing holes 15, the upper die 1, the fixing holes 15 and the installation guide rods 16 in the technical scheme are in the prior art, and the connection mode and the structure of the upper die 1, the fixing holes 15 and the installation guide rods 16 are unchanged and are not described in detail.
A disc-shaped co-extrusion die for producing packaging films has the following working principle:
1) After the raw materials enter the die disc 2 through the feeding holes 3, the raw materials are extruded and flow into the circulation grooves 4, enter a plurality of feeding holes 5 through the circulation grooves 4, then flow into the die disc 2 at the lower layer, are mixed with the raw materials at the lower layer and are extruded, and finally the raw materials are extruded from the plurality of feeding holes 5 in the die disc 2 at the bottom layer;
2) The extruded raw materials enter the guide groove 9, flow into the through hole 10 after expanding in the guide groove 9, finally flow out of the discharge groove 11, at the moment, the air cooling device 14 is started, after the air cooling device 14 enters the working state, cold air is blown into the air guiding ring pipe 13, and then enters the air cooling hole 12 of the die seat 8 through the air guiding ring pipe 3;
3) Finally, cold air is blown into the discharge chute 11 from one side of the air cooling hole 12, and the extruded packaging film is pre-air-cooled, so that the packaging film can be rapidly fixed and molded after being extruded from the die seat 8.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
1. the disc-shaped co-extrusion die for producing the packaging film is characterized in that the circulation grooves 4 and the feeding holes 5 are arranged, when the packaging film is used, raw materials enter the die disc 2 through the feeding holes 3, then are extruded into the circulation grooves 4, enter the plurality of feeding holes 5 through the circulation grooves 4, then flow into the die disc 2 at the lower layer, are extruded after being mixed with the raw materials at the lower layer, the device is convenient for uniformly compounding the raw materials at the die, and various raw materials are quickly and fully mixed together in the extrusion process, so that the compounding effect of various raw materials is improved, and the practicability of the disc-shaped co-extrusion die for producing the packaging film is improved.
2. By arranging the air cooling holes 12 and the air guide ring pipes 13, when the device is used, after the air cooling device 14 enters a working state, cold air is blown into the air cooling holes 12 of the air guide ring pipes 13 and then enters the die seat 8 through the air guide ring pipes 3, finally, cold air is blown into the discharge grooves 11 from one side of the air cooling holes 12, and the extruded packaging film is pre-air cooled; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Claims (7)
1. A disc-shaped co-extrusion die for producing packaging films is characterized in that: including last mould (1), the outside fixedly connected with mould dish (2) of going up mould (1), feed port (3) have been seted up to the outside of mould dish (2), circulation groove (4) have been seted up to one side of feed port (3), pan feeding hole (5) have been seted up to one side of circulation groove (4), mounting hole (6) have been seted up to the outside of mould dish (2), the outside fixedly connected with heating rod (7) of mounting hole (6), one of them the outside fixed mounting of mould dish (2) has mould seat (8), guide slot (9) have been seted up to the outside of mould seat (8), through-hole (10) have been seted up to one side of guide slot (9), forced air cooling hole (12) have been seted up to the inside of mould seat (8), the outside fixedly connected with wind-guiding ring pipe (13) of forced air cooling hole (12) one side, one end fixedly connected with forced air cooling device (14) of wind-guiding ring pipe (13).
2. A disc-shaped co-extrusion die for packaging film production according to claim 1, wherein: the feeding hole (5) is Y-shaped, one side of the feeding hole (5) is communicated with the circulation groove (4), and the circular shaft array of the feeding hole (5) is arranged in the die disc (2).
3. A disc-shaped co-extrusion die for packaging film production according to claim 1, wherein: the number of the die discs (2) is provided with a plurality of die discs, and the structure and the material of each die disc (2) are the same.
4. A disc-shaped co-extrusion die for packaging film production according to claim 1, wherein: the heating rod (7) penetrates through the upper die (1) and the die disc (2), and one side of the feeding hole (5) is arranged at the position of the heating rod (7).
5. A disc-shaped co-extrusion die for packaging film production according to claim 1, wherein: one side of the air cooling hole (12) is communicated with the discharge chute (11), and the air cooling hole (12) is circumferentially arrayed on one side of the inside of the die seat (8).
6. A disc-shaped co-extrusion die for packaging film production according to claim 1, wherein: the air guide ring pipe (13) is fixedly connected with one side of the outer part of the die seat (8), one side of the air guide ring pipe (13) is communicated with the air cooling hole (12), and the guide groove (9) is communicated with the discharge groove (11) through the through hole (10).
7. A disc-shaped co-extrusion die for packaging film production according to claim 1, wherein: the outer part of the upper die (1) is provided with a fixing hole (15), and the outer part of the fixing hole (15) is provided with a mounting guide rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320574201.7U CN219789193U (en) | 2023-03-22 | 2023-03-22 | Disc-shaped co-extrusion die for packaging film production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320574201.7U CN219789193U (en) | 2023-03-22 | 2023-03-22 | Disc-shaped co-extrusion die for packaging film production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219789193U true CN219789193U (en) | 2023-10-03 |
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ID=88153103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320574201.7U Active CN219789193U (en) | 2023-03-22 | 2023-03-22 | Disc-shaped co-extrusion die for packaging film production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219789193U (en) |
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2023
- 2023-03-22 CN CN202320574201.7U patent/CN219789193U/en active Active
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