High-yield full-automatic air ring capable of conveniently adjusting air volume

Abstract

The high-yield full-automatic air ring comprises an air ring seat, a plurality of air inlet pipes are fixedly connected to the outer side of the air ring seat at equal intervals in the circumferential direction, an air ring is fixedly connected to the inner wall of the air ring seat, and the air ring is of a hollow structure. A ventilation opening communicated with the air ring is formed in the inner wall of the air ring seat, a plurality of first air outlets are formed in the inner wall of the air ring in the circumferential direction, and an air volume adjusting unit is arranged in the air ring and used for adjusting the sizes of the first air outlets. The real-time thickness value of the thin film is measured through the thickness gauge, the air volume adjusting unit is controlled to work, the size of the first air outlet is conveniently adjusted, the air volume is adjusted, the size of the first air outlet is adjusted in real time, and therefore the air volume is controlled, and the thickness of the thin film is more uniform after being cooled and shaped.

Description

Technical Field

[0001] The utility model relates to the technical field of film blowing equipment, in particular to a high-yield full-automatic air ring which is convenient for adjusting the air volume. Background Art

[0002] In an upward-blowing water-cooled film extruder, a water-cooling ring and an air ring are generally provided above the extrusion die head of the extruder. The wind blown upward by the air ring supports the newly extruded cylindrical film cylinder, maintains the shape of the cylindrical film cylinder, and cooperates with the stretching traction of the upper winding to cool and shape the cylindrical film cylinder.

[0003] However, during the extrusion, stretching, cooling and shaping process of the cylindrical film tube, the uniformity of the temperature of the molten plastic, the uniformity of the thickness of the die head, the uniformity of cooling and other factors will affect the cylindrical film tube after cooling and shaping. The thickness of the film after cutting is also uneven in various places, which greatly reduces the quality of the film. Therefore, it is necessary to design a high-yield fully automatic air ring that is easy to adjust the air volume to improve the above problems. Utility Model Content

[0004] 1. Technical problems to be solved by the utility model

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a high-yield fully automatic air ring that is easy to adjust the air volume, which can adjust the size of the first air outlet in real time to control the air volume, so that the thickness of the film is more uniform after cooling and shaping.

[0006] 2. Technical solution

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A high-yield fully automatic air ring that is convenient for adjusting the air volume, comprising an air ring seat, a plurality of air inlet pipes are fixedly connected to the outer side of the air ring seat at equal intervals in the circumferential direction, an air circle is fixedly connected to the inner wall of the air ring seat, the air circle is a hollow structure, a ventilating opening connected to the air circle is opened on the inner wall of the air ring seat, a plurality of first air outlets are opened on the inner wall of the air circle in the circumferential direction, an air volume adjustment unit is arranged inside the air circle, and the air volume adjustment unit is used to adjust the size of the first air outlet;

[0009] It also includes a filter unit, which is arranged inside the wind ring seat and is used to filter the wind entering the wind ring seat.

[0010] Preferably, the air volume adjustment unit includes a wind shield ring rotatably connected to the inside of the wind ring and a rotating component, the wind shield ring is provided with a plurality of second air outlets along the circumferential direction, the number of the second air outlets is the same as the number of the first air outlets and corresponds one to one, a sealing structure is provided between the wind shield ring and the wind ring, and the rotating component is used to rotate and adjust the position of the wind shield ring.

[0011] Preferably, the rotating assembly includes a rack fixedly connected to the outer side of the top end of the wind shield, a gear is meshed on one side of the rack, a drive motor is installed on the outer wall of the wind shield, and an output end of the drive motor is fixedly connected to the gear.

[0012] Preferably, the sealing structure is embedded and installed on the outer wall of the wind shield ring, and the sealing structure includes a sealing ring arranged on the outside of the wind shield ring at the second air outlet, and a through hole is opened on the sealing ring, and the second air outlet and the first air outlet are placed in the through hole, and two adjacent sealing rings are fixedly connected by a connecting plate.

[0013] Preferably, the second air outlet has the same diameter as the first air outlet, and the first air outlet is arc-shaped on one side close to the wind shield ring.

[0014] Preferably, the filter unit includes a filter net arranged inside the air ring seat, an annular partition is fixedly connected to the top of the air ring seat, the height of the annular partition is smaller than the height of the air ring seat, and the filter net is installed between the annular partition and the inner wall of the air ring seat.

[0015] Preferably, a first mounting groove is opened on the inner wall of the annular partition, a second mounting groove is opened on the inner wall of the air ring seat, the second mounting groove corresponds to the position of the first mounting groove, and the filter is positioned and installed in the first mounting groove and the second mounting groove.

[0016] Preferably, a base plate is installed at the bottom of the wind ring seat, and a plurality of outer abutment plates are fixedly connected to the top of the base plate at equal intervals along the circumferential direction, and the outer abutment plates correspond to the positions of the first mounting grooves. A plurality of inner abutment plates are also fixedly connected to the top of the base plate at equal intervals along the circumferential direction, and the inner abutment plates correspond to the positions of the second mounting grooves.

[0017] 3. Beneficial effects

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] (1) The utility model controls the operation of the air volume regulating unit by setting up the air volume regulating unit and measuring the real-time thickness value of the film with the thickness gauge, and drives the gear to rotate by the driving motor, and the gear drives the meshing rack to rotate, thereby driving the wind shield to rotate, so that the second air outlet is offset from the first air outlet, which is convenient for adjusting the size of the first air outlet and adjusting the size of the air volume, and is used to adjust the size of the first air outlet in real time to control the size of the air volume, so that the thickness of the film is more uniform after cooling and shaping.

[0020] (2) The utility model provides a filter unit, which is used to filter the wind entering the wind ring seat, effectively remove dust and other impurities in the air flow, prevent dust from adhering to the film, and improve the quality of the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the overall three-dimensional structure of the high-yield fully automatic air ring for easy adjustment of air volume;

[0022] Figure 2 It is an enlarged schematic diagram of the rotating component structure;

[0023] Figure 3 Schematic diagram of the cutaway structure of a high-yield fully automatic air ring for easy adjustment of air volume;

[0024] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of region A;

[0025] Figure 5 It is an enlarged schematic diagram of the bottom plate structure;

[0026] Figure 6 It is an enlarged schematic diagram of the windshield and the sealing structure;

[0027] Figure 7 It is an enlarged schematic diagram of the sealing structure.

[0028] In the figure: 1. wind ring seat; 2. air inlet pipe; 3. wind circle; 4. first air outlet; 5. wind shield ring; 6. second air outlet; 7. rack; 8. drive motor; 9. gear; 10. annular partition; 11. filter screen; 12. vent; 13. bottom plate; 14. first mounting groove; 15. second mounting groove; 16. outer abutment plate; 17. inner abutment plate; 18. sealing structure; 181. sealing ring; 182. connecting plate; 183. through hole. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Example

[0030] See also Figure 1-Figure 7 The present embodiment provides a high-yield fully automatic wind ring which is easy to adjust the air volume, including a wind ring seat 1, a plurality of air inlet pipes 2 are fixedly connected to the outer side of the wind ring seat 1 at equal intervals in the circumferential direction, a wind circle 3 is fixedly connected to the inner wall of the wind ring seat 1, and the wind circle 3 is a hollow structure. A vent 12 communicating with the wind circle 3 is opened on the inner wall of the wind ring seat 1, and a plurality of first air outlets 4 are opened on the inner wall of the wind circle 3 in the circumferential direction. An air volume regulating unit is arranged inside the wind circle 3, and the air volume regulating unit is used to adjust the size of the first air outlet 4. By cooperating with a thickness gauge, the air volume regulating unit is controlled to work according to the real-time thickness value of the film measured by the thickness gauge, and is used to adjust the size of the first air outlet 4 in real time to control the size of the air volume, so that the thickness of the film is more uniform after cooling and shaping. The filter unit is also included, and the filter unit is arranged inside the wind ring seat 1. The filter unit is used to filter the wind entering the wind ring seat 1, effectively remove impurities such as dust in the air flow, avoid dust adhering to the film, and improve the quality of the film.

[0031] As an implementation method of this embodiment, Figure 1 and Figure 2 As shown, the air volume adjustment unit includes a wind shield ring 5 rotatably connected to the inside of the wind ring 3 and a rotating assembly. A plurality of second air outlets 6 are opened on the wind shield ring 5 along the circumferential direction. The number of the second air outlets 6 is the same as that of the first air outlets 4 and corresponds to each other. A sealing structure 18 is arranged between the wind shield ring 5 and the wind ring 3. The rotating assembly is used to rotate and adjust the position of the wind shield ring 5. The rotating assembly includes a rack 7 fixedly connected to the outer side of the top end of the wind shield ring 5. A gear 9 is meshed on one side of the rack 7. A driving motor 8 is installed on the outer wall of the wind ring 3. The output end of the driving motor 8 is fixedly connected to the gear 9. The gear 9 is driven to rotate by the driving motor 8. The gear 9 drives the meshing rack 7 to rotate, thereby driving the wind shield ring 5 to rotate, so that the second air outlet 6 is misaligned with the first air outlet 4, which is convenient for adjusting the size of the first air outlet 4 and the size of the air volume. A protective cover is provided on the outer sides of the rack 7, the driving motor 8 and the gear 9. The protective cover is installed on the wind ring 3 to avoid exposure of the driving components and improve safety.

[0032] As an implementation method of this embodiment, Figure 6 and Figure 7As shown, the sealing structure 18 is embedded and installed on the outer wall of the wind shield ring 5. The sealing structure 18 is integrally formed. The sealing structure 18 includes a sealing ring 181 arranged on the outside of the wind shield ring 5 at the second air outlet 6. A through hole 183 is opened on the sealing ring 181. The second air outlet 6 and the first air outlet 4 are placed in the through hole 183. The two adjacent sealing rings 181 are fixedly connected by a connecting piece 182. The sealing structure 18 improves the sealing between the wind shield ring 5 and the wind ring 3. The through hole 183 has a sufficient length so that when the sealing structure 18 rotates and adjusts its position with the wind shield ring 5, the first air outlet 4 is still placed in the through hole 183 to prevent the airflow from flowing out from the gap between the wind shield ring 5 and the wind ring 3 and affecting the air output.

[0033] In this embodiment, the diameter of the second air outlet 6 is the same as that of the first air outlet 4, and the side of the first air outlet 4 close to the wind shield ring 5 is arc-shaped to avoid wear and damage to the sealing structure 18 and increase the service life.

[0034] As an implementation method of this embodiment, Figure 3 , Figure 4 and Figure 5 As shown, the filter unit includes a filter screen 11 arranged inside the wind ring seat 1, an annular partition plate 10 is fixedly connected to the top of the wind ring seat 1, the height of the annular partition plate 10 is less than the height of the wind ring seat 1, the filter screen 11 is installed between the annular partition plate 10 and the inner wall of the wind ring seat 1, a first installation groove 14 is opened on the inner wall of the annular partition plate 10, a second installation groove 15 is opened on the inner wall of the wind ring seat 1, the second installation groove 15 corresponds to the position of the first installation groove 14, the filter screen 11 is positioned and installed in the first installation groove 14 and the second installation groove 15, by setting the filter screen 11, the wind introduced into the wind ring seat 1 is filtered and processed by the filter screen 11, so as to effectively remove impurities such as dust in the airflow, avoid dust adhering to the film, and improve the quality of the film.

[0035] In this embodiment, a bottom plate 13 is installed at the bottom of the wind ring seat 1, and the bottom plate 13 is fixedly connected to the wind ring seat 1 by bolts. A plurality of outer abutment plates 16 are fixedly connected to the top of the bottom plate 13 at equal intervals in the circumferential direction, and the outer abutment plates 16 correspond to the positions of the first mounting groove 14. A plurality of inner abutment plates 17 are also fixedly connected to the top of the bottom plate 13 at equal intervals in the circumferential direction, and the inner abutment plates 17 correspond to the positions of the second mounting groove 15. By disassembling the bottom plate 13, it is convenient to take out and clean the filter screen 11 to maintain a long-term filtering effect. When the bottom plate 13 is installed, the filter screen 11 is pressed and fixed in the first mounting groove 14 by the outer abutment plates 16, and the filter screen 11 is pressed and fixed in the second mounting groove 15 by the inner abutment plates 17, thereby improving the fixing effect of the filter screen 11.

[0036] Working principle: the air inlet pipe 2 is connected to the air induced device, and the outside wind is introduced into the air ring seat 1 from the air inlet pipe 2. By setting a filter net 11 inside the air ring seat 1, the wind introduced into the air ring seat 1 is filtered by the filter net 11 to effectively remove dust and other impurities in the air flow, and then flows into the air circle 3 from the vent 12, and then generates air flow from the first air outlet 4 to cool the film. The real-time thickness value of the film measured by the thickness gauge is driven by the drive motor 8 to drive the gear 9 to rotate, and the gear 9 drives the meshing rack 7 to rotate, thereby driving the wind shield 5 to rotate, so that the second air outlet 6 is misaligned with the first air outlet 4, and the size of the first air outlet 4 is adjusted, and the size of the air volume is adjusted, so that the thickness of the film is more uniform after cooling and shaping.

[0037] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A high-yield fully automatic air ring that is convenient for adjusting air volume, comprising an air ring seat (1), characterized in that: The outer side of the wind ring seat (1) is fixedly connected to a plurality of air inlet pipes (2) at equal intervals in a circumferential direction, the inner wall of the wind ring seat (1) is fixedly connected to a wind circle (3), the wind circle (3) is a hollow structure, a ventilating opening (12) communicating with the wind circle (3) is provided on the inner wall of the wind ring seat (1), a plurality of first air outlets (4) are provided on the inner wall of the wind circle (3) in a circumferential direction, an air volume regulating unit is provided inside the wind circle (3), and the air volume regulating unit is used to adjust the size of the first air outlet (4); It also comprises a filter unit, which is arranged inside the wind ring seat (1) and is used to filter the wind entering the wind ring seat (1).

2. A high-yield fully automatic air ring that is easy to adjust the air volume according to claim 1, characterized in that: The air volume adjustment unit comprises a wind shield ring (5) rotatably connected to the inside of the wind ring (3) and a rotating assembly, the wind shield ring (5) is provided with a plurality of second air outlets (6) along a circumferential direction, the number of the second air outlets (6) being the same as the number of the first air outlets (4) and corresponding to each other one by one, a sealing structure (18) being provided between the wind shield ring (5) and the wind ring (3), and the rotating assembly being used to rotatably adjust the position of the wind shield ring (5).

3. A high-yield fully automatic air ring that is easy to adjust the air volume according to claim 2, characterized in that: The rotating assembly comprises a rack (7) fixedly connected to the outer side of the top end of the wind shield (5), a gear (9) meshing on one side of the rack (7), a drive motor (8) mounted on the outer wall of the wind shield (3), and an output end of the drive motor (8) fixedly connected to the gear (9).

4. A high-yield fully automatic air ring that is easy to adjust the air volume according to claim 2, characterized in that: The sealing structure (18) is embedded and installed on the outer wall of the wind shield ring (5), and the sealing structure (18) comprises a sealing ring (181) arranged outside the wind shield ring (5) at the second air outlet (6), a through hole (183) is opened on the sealing ring (181), the second air outlet (6) and the first air outlet (4) are arranged in the through hole (183), and two adjacent sealing rings (181) are fixedly connected by a connecting piece (182).

5. A high-yield fully automatic air ring that is easy to adjust the air volume according to claim 4, characterized in that: The second air outlet (6) has the same diameter as the first air outlet (4), and the first air outlet (4) has an arc-shaped side close to the wind shield ring (5).

6. A high-yield fully automatic air ring that is easy to adjust the air volume according to claim 5, characterized in that: The filter unit comprises a filter screen (11) arranged inside an air ring seat (1); an annular partition plate (10) is fixedly connected to the top of the air ring seat (1); the height of the annular partition plate (10) is smaller than the height of the air ring seat (1); and the filter screen (11) is installed between the annular partition plate (10) and the inner wall of the air ring seat (1).

7. A high-yield fully automatic air ring that is easy to adjust the air volume according to claim 6, characterized in that: A first mounting groove (14) is formed on the inner wall of the annular partition (10), a second mounting groove (15) is formed on the inner wall of the air ring seat (1), the second mounting groove (15) corresponds to the position of the first mounting groove (14), and the filter screen (11) is positioned and installed in the first mounting groove (14) and the second mounting groove (15).

8. A high-yield fully automatic air ring that is easy to adjust the air volume according to claim 7, characterized in that: A bottom plate (13) is installed at the bottom of the air ring seat (1); a plurality of outer abutment plates (16) are fixedly connected to the top of the bottom plate (13) at equal intervals in a circumferential direction; the outer abutment plates (16) correspond to the positions of the first mounting grooves (14); a plurality of inner abutment plates (17) are fixedly connected to the top of the bottom plate (13) at equal intervals in a circumferential direction; the inner abutment plates (17) correspond to the positions of the second mounting grooves (15).

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