CN216635374U - Cooling air ring of film blowing machine - Google Patents
Cooling air ring of film blowing machine Download PDFInfo
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- CN216635374U CN216635374U CN202123226255.4U CN202123226255U CN216635374U CN 216635374 U CN216635374 U CN 216635374U CN 202123226255 U CN202123226255 U CN 202123226255U CN 216635374 U CN216635374 U CN 216635374U
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- ring
- air
- wall
- inner ring
- film blowing
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Abstract
The utility model relates to the technical field of air rings of film blowing machines, in particular to a cooling air ring of a film blowing machine, which comprises an air cavity bottom ring, a lower outer ring, an upper outer ring and an air cavity upper ring which are arranged from bottom to top, wherein the outer wall of the air cavity bottom ring is hermetically connected with the inner wall of the lower outer ring, the outer wall of the lower outer ring is hermetically connected with the outer wall of the upper outer ring, the inner wall of the upper outer ring is hermetically connected with the outer wall of the air cavity upper ring, the upper end of the air cavity bottom ring is provided with a third inner ring, a second inner ring and a first inner ring from bottom to top, the upper end of the air cavity bottom ring at the lower end of the third inner ring is contacted, the upper end of the third inner ring is contacted with the lower end of the second inner ring, the upper end of the second inner ring is provided with an air groove, the upper end of the air groove is provided with the first inner ring, the air outlet quantity of the lower air opening and the upper air opening of the cooling air ring is stable, the film thickness is uniform, the cooling efficiency is high, and the air outlet quantity of the air ring can be further adjusted by an adjusting ring, the stability of the film bubble is improved.
Description
Technical Field
The utility model relates to the technical field of air rings of film blowing machines, in particular to a cooling air ring of a film blowing machine.
Background
The film blowing machine is a key device widely used in the film blowing industry, in order to meet the requirements of the film blowing molding process, a wind ring needs to be arranged on a coaxial line of a die head to meet the requirements of cooling molding, the thickness uniformity and transparency of a film and the performance of the molded film are directly influenced by the cooling effect, and meanwhile, the yield is also influenced. The traditional wind ring is characterized in that cooling air generated by a high-pressure fan enters a wind cavity through an air inlet of the wind ring, the wind enters the wind cavity and then is divided into an upper air outlet and a lower air outlet through a baffle plate and wind holes, the lower air outlet cools the root of a film, the air outlet at the top can support a film bubble, the gap between the lower air outlet and the air outlet at the upper air outlet are changed through vertical adjustment, and the air outlet cannot be adjusted due to the fact that the gap between the lower air outlet is large, the air outlet is uneven in air outlet amount and easy to disperse, so that the film root is unstable, the thickness uniformity of the film is affected, the upper air outlet only adopts 4-5 circles of uniformly distributed small holes, the air pressure and the air amount are insufficient, the cooling efficiency is extremely low, the film bubble is caused, the diameter of the film fluctuates greatly, and the diameter range of the coolable film is small.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a cooling air ring of a film blowing machine.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a cooling air ring of a film blowing machine comprises an air cavity bottom ring, a lower outer ring, an upper outer ring and an air cavity upper ring which are arranged from bottom to top, wherein the outer wall of the air cavity bottom ring is in sealing connection with the inner wall of the lower outer ring, the outer wall of the lower outer ring is in sealing connection with the outer wall of the upper outer ring, the inner wall of the upper outer ring is in sealing connection with the outer wall of the air cavity upper ring, the upper end of the air cavity bottom ring is provided with a third inner ring, a second inner ring and a first inner ring from bottom to top, the upper end of the lower air cavity bottom ring of the third inner ring is in contact with the lower end of the second inner ring, an air duct is arranged at the upper end of the second inner ring, a first inner ring is arranged at the upper end of the air duct, the outer wall of the first inner ring is in sealing connection with the inner wall of the air cavity upper ring, a vertical flow blocking plate is arranged at the upper end of the lower outer ring, and the upper end of the flow blocking plate is in contact with the lower end surface of the upper outer ring, the flow blocking plate is provided with first through holes which are uniformly distributed, a flow blocking air channel is formed among the lower outer ring, the upper outer ring and the flow blocking plate, air inlets which are uniformly distributed are installed on the outer wall of the upper outer ring, a lower air opening is formed between the second inner ring and the air cavity bottom ring, and an upper air opening is formed between the second inner ring and the first inner ring.
Preferably, the upper end of the first inner ring is hermetically connected with a ventilation ring, and second through holes which are uniformly distributed are formed in the ventilation ring.
Preferably, the outside cover of ventilative ring is equipped with the adjustable ring, evenly distributed's third through-hole has been seted up on the adjustable ring, still install the regulation handle on the outer wall of adjustable ring.
Preferably, a heating rod is embedded in the air duct.
Preferably, a fourth through hole is formed in the third inner ring, and the lower air inlet is communicated with the flow blocking air duct through the fourth through hole.
Preferably, the upper end of the upper ring of the wind cavity is provided with a protection ring through a support, and the protection ring is positioned on the outer side of the adjusting ring.
The utility model has the beneficial effects that: the lower air opening and the upper air opening of the cooling air ring are stable in air output, the thickness of the film is uniform, the cooling efficiency is high, the ventilation of the ventilation ring can be further adjusted through the adjusting ring, and the stability of the film bubble is improved.
Drawings
FIG. 1 is a schematic structural view of a cooling air ring of a film blowing machine according to the present invention;
FIG. 2 is a schematic structural view of A-A in FIG. 1 of a cooling air ring of a film blowing machine according to the present invention;
FIG. 3 is a schematic perspective view of a cooling air ring of a film blowing machine according to the present invention;
FIG. 4 is a schematic perspective view of an air groove of a cooling air ring of a film blowing machine according to the present invention;
FIG. 5 is a schematic top view of an air groove of a cooling air ring of a film blowing machine according to the present invention.
In the figure: the air-conditioning system comprises an air cavity bottom ring 1, an air cavity lower outer ring 2, an air cavity upper ring 3, an air cavity upper ring 4, a first inner ring 5, a second inner ring 6, a third inner ring 7, an air groove 8, an air outlet 9, an air inlet 10, an air inlet 11, a flow blocking air channel 12, a ventilation ring 13, an adjusting ring 14, an adjusting handle 15, a flow blocking plate 16, a protective ring 17, a heating rod 18 and a bubble guiding cooling line 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a film blowing machine cooling air ring comprises an air cavity bottom ring 1, a lower outer ring 2, an upper outer ring 3 and an air cavity upper ring 4 which are arranged from bottom to top, wherein the outer wall of the air cavity bottom ring 1 is connected with the inner wall of the lower outer ring 2 in a sealing manner, the outer wall of the lower outer ring 2 is connected with the outer wall of the upper outer ring 3 in a sealing manner, the inner wall of the upper outer ring 3 is connected with the outer wall of the air cavity upper ring 4 in a sealing manner, the upper end of the air cavity bottom ring 1 is provided with a third inner ring 7, a second inner ring 6 and a first inner ring 5 from bottom to top, the upper end of the third inner ring 7 is contacted with the upper end of the air cavity bottom ring 1, the upper end of the third inner ring 7 is contacted with the lower end of the second inner ring 6, an air groove 8 is arranged at the upper end of the second inner ring 6, a first inner ring 5 is arranged at the upper end of the air groove 8, the outer wall of the first inner ring 5 is connected with the inner ring 4 in a sealing manner, the upper end of the lower outer ring 2 is provided with a vertical flow blocking plate 16, the upper end of the flow blocking plate 16 is in contact with the lower end face of the upper outer ring 3, the flow blocking plate 16 is provided with first through holes which are uniformly distributed, a flow blocking air duct 12 is formed among the lower outer ring 2, the upper outer ring 3 and the flow blocking plate 16, the outer wall of the upper outer ring 3 is provided with air inlets 11 which are uniformly distributed, a lower air opening 9 is arranged between the second inner ring 6 and the air cavity bottom ring 1, an upper air opening 10 is arranged between the second inner ring 6 and the first inner ring 5, and a film bubble guide cooling line 19 is arranged in the air duct.
Further, the upper end of the first inner ring 5 is hermetically connected with a ventilation ring 13, and the ventilation ring 13 is provided with second through holes which are uniformly distributed.
Further, the outside cover of ventilative ring 13 is equipped with adjustable ring 14, set up evenly distributed's third through hole on adjustable ring 14, still install on the outer wall of adjustable ring 14 and adjust handle 15.
Further, a heating rod 18 is embedded in the air duct 8.
Furthermore, a fourth through hole is formed in the third inner ring 7, and the lower air inlet 9 is communicated with the flow blocking air duct 12 through the fourth through hole.
Further, the upper end of the ring 4 on the wind cavity is provided with a guard ring 17 through a bracket, and the guard ring 17 is positioned on the outer side of the adjusting ring 14.
In this embodiment, the air volume of the lower air port 9 and the upper air port 10 of the cooling air ring is stable, the thickness of the film is uniform, the cooling efficiency is high, and the ventilation volume of the ventilation ring 13 can be further adjusted through the adjusting ring 14, so that the stability of the film bubble is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A cooling air ring of a film blowing machine comprises an air cavity bottom ring (1), a lower outer ring (2), an upper outer ring (3) and an air cavity upper ring (4) which are arranged from bottom to top, and is characterized in that the outer wall of the air cavity bottom ring (1) is in sealing connection with the inner wall of the lower outer ring (2), the outer wall of the lower outer ring (2) is in sealing connection with the outer wall of the upper outer ring (3), the inner wall of the upper outer ring (3) is in sealing connection with the outer wall of the air cavity upper ring (4), the upper end of the air cavity bottom ring (1) is provided with a third inner ring (7), a second inner ring (6) and a first inner ring (5) from bottom to top, the lower end of the third inner ring (7) is in contact with the upper end of the air cavity bottom ring (1), the upper end of the third inner ring (7) is in contact with the lower end of the second inner ring (6), and an air groove (8) is arranged at the upper end of the second inner ring (6), the air duct is characterized in that a first inner ring (5) is installed at the upper end of the air duct (8), the outer wall of the first inner ring (5) is connected with the inner wall of the air cavity upper ring (4) in a sealing mode, a vertical flow blocking plate (16) is arranged at the upper end of the lower outer ring (2), the upper end of the flow blocking plate (16) is in contact with the lower end face of the upper outer ring (3), first through holes which are uniformly distributed are formed in the flow blocking plate (16), a flow blocking air duct (12) is formed among the lower outer ring (2), the upper outer ring (3) and the flow blocking plate (16), air inlets (11) which are uniformly distributed are installed on the outer wall of the upper outer ring (3), a lower air opening (9) is formed between the second inner ring (6) and the air cavity bottom ring (1), and an upper air opening (10) is formed between the second inner ring (6) and the first inner ring (5).
2. The cooling air ring of the film blowing machine according to claim 1, characterized in that the upper end of the first inner ring (5) is hermetically connected with a ventilation ring (13), and the ventilation ring (13) is provided with second through holes which are uniformly distributed.
3. The cooling air ring of the film blowing machine according to claim 2, characterized in that an adjusting ring (14) is sleeved outside the air permeable ring (13), third through holes are formed in the adjusting ring (14) and are uniformly distributed, and an adjusting handle (15) is further installed on the outer wall of the adjusting ring (14).
4. The cooling air ring of the film blowing machine according to the claim 1, characterized in that the heating rod (18) is embedded in the air groove (8).
5. The cooling air ring of the film blowing machine according to claim 1, characterized in that a fourth through hole is opened on the third inner ring (7), and the lower air port (9) is communicated with the blocked air duct (12) through the fourth through hole.
6. A film blowing machine cooling air ring according to claim 3, characterized in that the upper end of the air chamber upper ring (4) is provided with a guard ring (17) through a bracket, and the guard ring (17) is positioned outside the adjusting ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123226255.4U CN216635374U (en) | 2021-12-21 | 2021-12-21 | Cooling air ring of film blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123226255.4U CN216635374U (en) | 2021-12-21 | 2021-12-21 | Cooling air ring of film blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216635374U true CN216635374U (en) | 2022-05-31 |
Family
ID=81743887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123226255.4U Active CN216635374U (en) | 2021-12-21 | 2021-12-21 | Cooling air ring of film blowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216635374U (en) |
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2021
- 2021-12-21 CN CN202123226255.4U patent/CN216635374U/en active Active
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