CN217597804U - Double-air-port air ring of film blowing machine - Google Patents
Double-air-port air ring of film blowing machine Download PDFInfo
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- CN217597804U CN217597804U CN202221490470.7U CN202221490470U CN217597804U CN 217597804 U CN217597804 U CN 217597804U CN 202221490470 U CN202221490470 U CN 202221490470U CN 217597804 U CN217597804 U CN 217597804U
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Abstract
The utility model discloses a double-air-port air ring of a film blowing machine, which comprises a chassis, an air-homogenizing piece, a first ring body and a second ring body, wherein the chassis is provided with an inner pressure air ring, a wind-blocking ring and a mounting ring from inside to outside in sequence; the air homogenizing part comprises an upper air ring body, a lower air ring body and an intermediate air ring body, the first ring body is provided with a first air duct groove corresponding to the air blocking ring, the outer edge of the first ring body is connected with the mounting ring of the chassis, a first gap is arranged between the first ring body and the chassis, the first ring body is provided with an air inlet hole, the air inlet hole is communicated with the first gap, the inner wall of the first ring body extends upwards to form a first air pressing ring, and a first air outlet is formed between the first air pressing ring and the inner air pressing ring; the second ring body is connected with the upwind ring body, be equipped with the second space between second ring body and the first ring body, the inner wall of second ring body upwards extends has second pressure wind ring, second pressure wind ring and first pressure wind ring form the second air outlet, and the air-out of two wind mouths is stable, even, and the membrane bubble is tensile even, promotes the film quality.
Description
Technical Field
The utility model relates to an improved invention of a film blowing machine, in particular to a double-air-port air ring of the film blowing machine.
Background
The air ring is an important part of the film blowing machine, and the air ring is used for cooling the film bubble extruded from the die head and formed by blowing. The cooling air flow of the air ring is 360-degree annular air flow and blows towards the film bubble, so that the film bubble is cooled. Whether the air outlet of the air ring is stable or not and whether the air outlet is uniform or not can influence the stretching of the film bubble, and the quality of the film is also influenced. At present, the existing single-air-port air ring has the problems of poor air outlet stability and uneven air outlet, so that the film bubble is not uniformly stretched, and the quality of a formed film is not good.
Disclosure of Invention
In view of the technical problem who exists among the background art, the utility model provides a technical problem aim at providing a two wind gaps wind ring of inflation film manufacturing machine, and the air-out is even, careful and stable, promotes the film quality.
In order to solve the technical problem, the utility model discloses a following technical scheme: this kind of inflation film manufacturing machine's two wind gap wind ring, its characterized in that: comprises that
The base plate is annular and is sequentially provided with an inner pressure air ring, a wind blocking ring and a mounting ring from inside to outside;
the wind-uniforming piece comprises
An upper wind ring body which is provided with an upper wind homogenizing ring and an upper wind blocking ring, wherein the upper wind homogenizing ring is provided with wind homogenizing holes,
a lower wind ring body which is provided with a lower wind-shielding ring, ventilation gaps are arranged between the upper wind-shielding ring and the lower wind ring body and between the lower wind-shielding ring and the upper wind ring body, the inner wall of the lower wind ring body is connected with the outer edge of the chassis,
the upper end and the lower end of the middle wind ring body are respectively connected with the outer edges of the upper wind ring body and the lower wind ring body;
the first ring body is provided with a first air duct groove corresponding to the wind blocking ring, the outer edge of the first ring body is connected with the mounting ring of the chassis, a first gap is formed between the first ring body and the chassis, an air inlet hole is formed in the first ring body and communicated with the first gap, a first air pressing ring extends upwards from the inner wall of the first ring body, the bottom of the first air pressing ring is lower than the inner air pressing ring, and a first air outlet is formed between the first air pressing ring and the inner air pressing ring;
and the outer edge of the second ring body is connected with the upwind ring body, a second gap is formed between the second ring body and the first ring body, a second air pressing ring extends upwards from the inner wall of the second ring body, and the second air pressing ring and the first air pressing ring form a second air outlet.
The utility model discloses a two wind gap air-outs, the air current gets into from the air intake, gets into through even wind hole, makes air distribution even, careful through last wind ring, lower wind ring again, and at last, the air current is partly discharged from first air outlet through fresh air inlet and first space, and another part then discharges from the second air outlet through the second clearance, and two wind gap air-outs cool off the membrane bubble, and the air-out is stable, even, and the membrane bubble is tensile even to promote the film quality.
Preferably, the lower wind-blocking ring is provided with two groups of first wind-blocking rings and second wind-blocking rings, a lower wind-homogenizing ring is arranged between the first wind-blocking ring and the second wind-blocking ring, a wind-homogenizing hole is also formed in the lower wind-homogenizing ring, and the wind-homogenizing piece is sequentially provided with an upper wind-homogenizing ring, a first wind-blocking ring, a lower wind-homogenizing ring, a second wind-blocking ring and an upper wind-blocking ring from outside to inside. The airflow is processed by multilayer air-homogenizing and wind-shielding, so that the airflow discharged from the air outlet is fine and uniform.
Preferably, the upper wind-homogenizing ring is connected with the lower wind-homogenizing ring body, and an annular air inlet channel is formed among the upper wind-homogenizing ring, the upper wind-homogenizing ring body, the lower wind-homogenizing ring body and the middle wind-homogenizing ring body. The air flow enters the air inlet channel and is homogenized in sequence to avoid air flow loss, and the air inlets are provided with a plurality of air inlets which are uniformly distributed along the circumferential direction of the middle air ring body. A plurality of air intakes increase the wind speed, promote output.
Preferably, the first air compression ring is obliquely arranged towards the outer circumference, and the first ring body is in threaded connection with the mounting ring of the chassis. The height of the first ring body relative to the chassis can be adjusted through threaded connection, so that the air quantity of the first air outlet and the air quantity of the second air outlet are adjusted.
Preferably, the second ring body is in threaded connection with the upwind ring body, and similarly, the height of the second ring body relative to the upwind ring body can be adjusted, so that the air volume of the second air outlet is adjusted.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Detailed Description
The following describes the details and working principles of the embodiments and examples of the present invention with reference to the accompanying drawings. The double-air-port air ring of the film blowing machine comprises a base plate 9, an air homogenizing piece, a first ring body 7 and a second ring body 16, wherein the base plate 9 is annular, an extruded film penetrates through the middle of the base plate, and an inner pressure air ring 11, a wind blocking ring 8 and a mounting ring 6 are sequentially arranged on the base plate from inside to outside; the wind homogenizing part comprises an upper wind ring body 1, a lower wind ring body 3 and an intermediate wind ring body 2, the upper wind ring body is provided with an upper wind homogenizing ring 12 and an upper wind blocking ring 15, the upper wind homogenizing ring is provided with wind homogenizing holes 4, the lower wind ring body 3 is provided with lower wind blocking rings 13 and 14, ventilation gaps are respectively arranged between the upper wind blocking ring and the lower wind ring body and between the lower wind blocking ring and the upper wind ring body, the inner wall of the lower wind ring body 3 is connected with the outer edge of a chassis 9, the intermediate wind ring body 2 is provided with a plurality of air inlets 20, in order to increase the wind quantity, the air inlets are uniformly distributed along the circumferential direction of the intermediate wind ring body, the wind speeds of the plurality of air inlets are increased, the yield is increased, the upper and lower ends of the intermediate wind ring body 2 are respectively connected with the outer edges of the upper wind ring body 1 and the lower wind ring body 3, and annular channels 21 are formed between the upper wind homogenizing ring body, the lower wind ring body and the intermediate wind inlet, and the air inlets 20 are prevented from flowing out. The wind-break ring is provided with two sets ofly down, is first wind-break ring 13 and second wind-break ring 14 respectively, and still is equipped with even wind ring 5 down between the two, even wind ring installation is on leeward ring body 3 down, also be equipped with even wind hole down on the even wind ring, even wind spare is equipped with even wind ring 15, first wind-break ring 13, even wind ring 5, second wind-break ring 14 and last wind-break ring 15 in proper order from outer to interior, and the air current is through the even wind of multilayer and keep out the wind and handle for it is careful, even from the air outlet combustion gas flow. The first ring body 7 is provided with a first air duct groove corresponding to the wind-blocking ring 8, the outer edge of the first ring body is connected with the mounting ring 6 of the chassis, a first gap is formed between the first ring body 7 and the chassis, the first ring body is provided with an air inlet 22, the air inlet is communicated with the first gap, the inner wall of the first ring body extends upwards to form a first air pressing ring 19, the bottom of the first air pressing ring is lower than the inner air pressing ring 11, and a first air outlet 10 is formed between the first air pressing ring 19 and the inner air pressing ring 11; the outer fringe and the upwind ring body 1 of second ring body 16 are connected, be equipped with the second space between second ring body 16 and the first ring body 7, the inner wall of second ring body upwards extends has second pressure wind ring 17, second pressure wind ring and first pressure wind ring form second air outlet 18. The utility model discloses a two wind gap air-outs, the air current gets into inlet air channel 21 from air intake 20, the air current is in proper order through even wind hole 4 of last even wind ring, bypass first ring 13 that keeps out the wind, pass even wind hole of even wind ring down, bypass second ring 14 that keeps out the wind and go up ring 15 that keeps out the wind, then, partly air current passes fresh air inlet 22, through first space, discharge by first air outlet 10, another part air current then discharges from second air outlet 18 through the second space, two wind gap air-outs cool off the membrane bubble, the air-out is stable, even, the membrane bubble is tensile even, promote the film quality greatly.
In order to further improve the film blowing quality, the first air pressing ring 19 is obliquely arranged towards the outer circumference, so that a certain angle is formed between the airflow direction and the film bubble, the film bubble is prevented from being deformed due to overlarge stress, the first ring body 7 is in threaded connection with the mounting ring 6 of the chassis, the second ring body 16 is in threaded connection with the upwind ring body 1, the height of the first ring body relative to the chassis is adjusted through threads, namely the size of the first gap and the sizes of the first air outlet and the second air outlet are adjusted, and therefore the air volumes of the first air outlet and the second air outlet are adjusted; similarly, the height of the second ring body relative to the upwind ring body is adjusted through the threads, namely the size of the second gap and the size of the second air outlet are adjusted, so that the air volume of the second air outlet is adjusted, and the device is suitable for forming film bubbles of different models.
Claims (6)
1. The utility model provides a two wind gaps wind ring of inflation film manufacturing machine which characterized in that: comprises that
The base plate is annular and is sequentially provided with an inner pressure air ring, a wind shield ring and a mounting ring from inside to outside;
the wind-uniforming piece comprises
An upper wind ring body which is provided with an upper wind homogenizing ring and an upper wind blocking ring, wherein the upper wind homogenizing ring is provided with wind homogenizing holes,
a lower wind ring body which is provided with a lower wind-shielding ring, ventilation gaps are arranged between the upper wind-shielding ring and the lower wind ring body and between the lower wind-shielding ring and the upper wind ring body, the inner wall of the lower wind ring body is connected with the outer edge of the chassis,
the upper end and the lower end of the middle wind ring body are respectively connected with the outer edges of the upper wind ring body and the lower wind ring body;
the first ring body is provided with a first air channel groove corresponding to the wind blocking ring, the outer edge of the first ring body is connected with the mounting ring of the chassis, a first gap is formed between the first ring body and the chassis, an air inlet is formed in the first ring body and communicated with the first gap, a first air pressing ring extends upwards from the inner wall of the first ring body, the bottom of the first air pressing ring is lower than the inner air pressing ring, and a first air outlet is formed between the first air pressing ring and the inner air pressing ring;
and the outer edge of the second ring body is connected with the upwind ring body, a second gap is arranged between the second ring body and the first ring body, a second air pressing ring extends upwards from the inner wall of the second ring body, and the second air pressing ring and the first air pressing ring form a second air outlet.
2. The double-tuyere air ring of the film blowing machine as claimed in claim 1, characterized in that: the lower wind-blocking ring is provided with two groups of first wind-blocking rings and second wind-blocking rings, a lower wind-homogenizing ring is arranged between the first wind-blocking ring and the second wind-blocking ring, a wind-homogenizing hole is also formed in the lower wind-homogenizing ring, and the wind-homogenizing piece is sequentially provided with an upper wind-homogenizing ring, the first wind-blocking ring, the lower wind-blocking ring, the second wind-blocking ring and an upper wind-blocking ring from outside to inside.
3. The double-tuyere air ring of the film blowing machine according to claim 2, characterized in that: the upper wind-homogenizing ring is connected with the lower wind ring body, and an annular air inlet channel is formed among the upper wind-homogenizing ring, the upper wind ring body, the lower wind ring body and the middle wind ring body.
4. The double-tuyere air ring of the film blowing machine according to claim 1, characterized in that: the air inlet is provided with a plurality of air inlets which are uniformly distributed along the circumferential direction of the middle wind ring body.
5. The double-tuyere air ring of the film blowing machine according to claim 1, characterized in that: the first air compression ring is obliquely arranged towards the outer circumference, and the first ring body is in threaded connection with the mounting ring of the chassis.
6. The double-tuyere air ring of the film blowing machine according to claim 5, characterized in that: the second ring body is in threaded connection with the upwind ring body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221490470.7U CN217597804U (en) | 2022-06-15 | 2022-06-15 | Double-air-port air ring of film blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221490470.7U CN217597804U (en) | 2022-06-15 | 2022-06-15 | Double-air-port air ring of film blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217597804U true CN217597804U (en) | 2022-10-18 |
Family
ID=83589344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221490470.7U Active CN217597804U (en) | 2022-06-15 | 2022-06-15 | Double-air-port air ring of film blowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217597804U (en) |
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2022
- 2022-06-15 CN CN202221490470.7U patent/CN217597804U/en active Active
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