Automatic air ring adjusting mechanism
By introducing an interferometer thickness gauge and an automatic controller into the air ring, precise adjustment of the air output of the air ring is achieved, which solves the problem of uneven film thickness in the existing technology and improves the uniformity and quality of film production.
Patent Information
- Application Number
- CN202422303554.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-21
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-09-21
AI Technical Summary
The existing air ring cannot independently adjust each air outlet position during the film blowing process, resulting in uneven film thickness.
An interference thickness gauge is used to measure the film thickness, and an automatic controller is used to control the electric telescopic rod to adjust the air adjustment holes on the air adjustment plate to achieve separate adjustment of the air output at each location in the inner circle of the air ring.
The uniformity of film thickness is improved, ensuring the quality stability of film production.
Smart Images
Figure CN223314448U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air rings, in particular to an automatic air ring adjustment mechanism. Background Art
[0002] The air ring is a component in a film blowing machine that is primarily used to control and regulate the airflow to ensure a uniform film layer is formed during the film blowing process. Film blowing machines are typically used to produce plastic films and are widely used in packaging, agriculture, industry and other fields.
[0003] Publication No. CN118478508A discloses an air ring for an automatic film blowing machine. The air ring comprises an annular, hollow housing, an air inlet pipe connected to the outer wall of the housing, an annular air outlet located on the inner wall of the housing, a plurality of hollow guide blocks disposed within the housing, a plurality of through-holes located in the side walls of the guide blocks, and a drive device for rotating the guide blocks. The guide blocks have a diamond-shaped projection on a horizontal plane, and each guide block is connected to a heating device. The air ring for an automatic film blowing machine disclosed herein can more efficiently adjust the air speed and temperature of the air ring, thereby improving production efficiency and film quality.
[0004] The above patent improves the shortcomings of the prior art, in which the wind ring is slow to adjust the wind speed uniformity and cannot independently adjust each air outlet position, resulting in uneven thickness of the blown film. This application provides another implementation plan for the problems raised in the above patent. Utility Model Content
[0005] In view of the deficiencies in the prior art, the present invention provides an automatic air ring adjustment mechanism to overcome the deficiencies in the prior art.
[0006] The technical solution for solving the above technical problems of the utility model is as follows: an automatic air ring adjustment mechanism comprises an air ring body, wherein a mounting ring is fixedly installed on the top of the air ring body, an interference thickness gauge is fixedly installed on the surface of the mounting ring, an automatic controller is fixedly installed on the surface of the air ring body, an air bin and a plurality of electric telescopic rods are fixedly installed in the inner cavity of the air ring body, an inner ring surface of the air ring body is provided with an air ring air outlet hole connected to the inner cavity of the air ring body, the air ring air outlet hole is connected to the inner cavity of the air bin, and an air bin air inlet hole is provided on the surface of the air bin away from the air ring air outlet hole, the top of the electric telescopic rod is fixedly installed with a mounting support plate, the upper surface of the mounting support plate is fixedly installed with an air adjusting plate, the surface of the air adjusting plate is provided with a plurality of first air adjusting holes, second air adjusting holes and third air adjusting holes, the diameter of the first air adjusting hole is larger than the diameter of the second air adjusting hole, and the diameter of the second air adjusting hole is larger than the diameter of the third air adjusting hole.
[0007] The beneficial effects of the present invention are as follows: the thickness of the film is measured by an interference thickness gauge, and when the interference thickness gauge measures that the thickness data of the film at a certain location is unqualified, a feedback instruction will be sent to the automatic controller, and the automatic controller will control the electric telescopic rod at that location to drive the air regulating plate to rise and fall, so that the first air regulating hole, the second air regulating hole or the third air regulating hole on the air regulating plate corresponds to the air inlet hole of the air bin on the air bin, and then the air volume entering the air bin at that location can be adjusted, and then the air volume out of the air ring outlet hole at that location can be adjusted, so that the air volume at each location of the inner circle of the air ring body can be adjusted separately, which is beneficial to improving the thickness uniformity of the film.
[0008] On the basis of the above technical solution, the present invention can also be improved as follows.
[0009] Furthermore, two air inlet pipes are fixedly installed on the surface of the air ring body. The inner cavities of the air inlet pipes are connected to the inner cavity of the air ring body and are symmetrically distributed on the surface of the air ring body.
[0010] Furthermore, there are multiple interference thickness gauges, and the multiple interference thickness gauges are evenly distributed on the surface of the air ring body.
[0011] Furthermore, the output end of the interferometer thickness gauge is electrically connected to the input end of the automatic controller, and the output end of the automatic controller is electrically connected to the input end of the electric telescopic rod.
[0012] Furthermore, a limiting slide bar is fixedly installed in the inner cavity of the air ring body, and the limiting slide bar passes through the mounting support plate. The limiting slide bar is in sliding contact with the mounting support plate, and the mounting support plate is in sliding contact with the inner cavity surface of the air ring body.
[0013] Furthermore, a circular hole is opened on the surface of the mounting support plate, and the limiting sliding rod is located in the circular hole. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the appearance of the air ring body of this utility model Figure 1 ;
[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the air ring body of the utility model Figure 2 ;
[0016] Figure 3 Schematic diagram of the mounting plate structure of the utility model Figure 3 ;
[0017] Figure 4 This is a schematic diagram of the structure of the air regulating plate of the utility model Figure 4 .
[0018] In the accompanying drawings, the components represented by the reference numerals are as follows:
[0019] 1. Air ring body; 2. Mounting ring; 3. Interference thickness gauge; 4. Automatic controller; 5. Air chamber; 6. Electric telescopic rod; 7. Air outlet of air ring; 8. Air inlet of air chamber; 9. Mounting bracket; 10. Air adjustment plate; 11. First air adjustment hole; 12. Second air adjustment hole; 13. Third air adjustment hole; 14. Air inlet pipe; 15. Limiting slide bar; 16. Round hole. DETAILED DESCRIPTION
[0020] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.
[0021] Example 1, as Figures 1 to 4 As shown, an automatic air ring adjustment mechanism includes an air ring body 1, a mounting ring 2 is fixedly installed on the top of the air ring body 1, an interference thickness gauge 3 is fixedly installed on the surface of the mounting ring 2, an automatic controller 4 is fixedly installed on the surface of the air ring body 1, an air bin 5 and a plurality of electric telescopic rods 6 are fixedly installed in the inner cavity of the air ring body 1, an inner ring surface of the air ring body 1 is provided with an air ring air outlet hole 7 connected to the inner cavity of the air ring body 1, the air ring air outlet hole 7 is connected to the inner cavity of the air bin 5, and an air bin air inlet hole 8 is provided on the surface of the air bin 5 away from the air ring air outlet hole 7, a mounting support plate 9 is fixedly installed on the top of the electric telescopic rod 6, an air regulating plate 10 is fixedly installed on the upper surface of the mounting support plate 9, and a first air regulating hole 11, a second air regulating hole 12 and a third air regulating hole 13, all of which are provided on the surface of the air regulating plate 10, the diameter of the first air regulating hole 11 is larger than the diameter of the second air regulating hole 12, and the diameter of the second air regulating hole 12 is larger than the diameter of the third air regulating hole 13.
[0022] The thickness of the film is measured by the interference thickness gauge 3. When the interference thickness gauge 3 measures that the thickness data of the film at a certain place is unqualified, a feedback instruction will be sent to the automatic controller 4. The automatic controller 4 controls the electric telescopic rod 6 at that place to drive the air regulating plate 10 to rise and fall, so that the first air regulating hole 11, the second air regulating hole 12 or the third air regulating hole 13 on the air regulating plate 10 corresponds to the air inlet hole 8 of the air bin 5, and then the air volume entering the air bin 5 at that place can be adjusted, and then the air outlet volume of the air ring air outlet hole 7 at that place can be adjusted, so that the air outlet volume of each part of the inner circle of the air ring body 1 can be adjusted separately, which is beneficial to improving the thickness uniformity of the film.
[0023] It should be noted that the model of the interferometer thickness gauge 3 in this embodiment is the Filmerics F20 interferometer thickness gauge. The Filmerics F20 interferometer thickness gauge is a high-precision optical instrument designed specifically for thin film thickness measurement. It is widely used in semiconductors, optoelectronics, materials science and other fields, and can quickly and accurately measure the thickness of films of various materials. It adopts a non-contact optical measurement method, which does not require contact with the film, thereby avoiding damage to the film.
[0024] It should be noted that the model of the automatic controller 4 in this embodiment is a Siemens S7-1200 controller. The S7-1200 controller is a programmable logic controller (PLC) suitable for small and medium-sized automation projects. It is convenient for inputting the measured thickness of the film and real-time collection and reception of feedback data from the interferometer thickness gauge 3.
[0025] It should be noted that the mounting support plate 9 in this embodiment is a mesh plate with a hole structure on its surface, which helps to prevent the mounting support plate 9 from affecting the air flow in and out.
[0026] Example 2, as Figures 1 to 4 As shown, this embodiment is a further improvement based on Example 1, and its details are as follows:
[0027] Two air inlet pipes 14 are fixedly installed on the surface of the air ring body 1 . The inner cavities of the air inlet pipes 14 are connected to the inner cavity of the air ring body 1 and are symmetrically distributed on the surface of the air ring body 1 .
[0028] The air inlet pipe 14 is provided to facilitate the delivery of air into the inner cavity of the air ring body 1 .
[0029] Example 3, as Figures 1 to 4 As shown, this embodiment is a further improvement based on Example 1, and its details are as follows:
[0030] There are multiple interferometer thickness gauges 3 , and the multiple interferometer thickness gauges 3 are evenly distributed on the surface of the air ring body 1 .
[0031] The thickness of the film at various locations can be measured by using multiple interferometer thickness gauges 3 .
[0032] Example 4, as Figures 1 to 4 As shown, this embodiment is a further improvement based on Example 1, and its details are as follows:
[0033] The output end of the interferometer thickness gauge 3 is electrically connected to the input end of the automatic controller 4 , and the output end of the automatic controller 4 is electrically connected to the input end of the electric telescopic rod 6 .
[0034] It is convenient for the interferometer thickness gauge 3 to feed back the measurement result to the automatic controller 4, and the automatic controller 4 controls the operation of the electric telescopic rod 6.
[0035] Example 5, as Figures 1 to 4 As shown, this embodiment is a further improvement based on Example 1, and its details are as follows:
[0036] A limiting slide bar 15 is fixedly installed in the inner cavity of the air ring body 1 , and the limiting slide bar 15 passes through the mounting support plate 9 . The limiting slide bar 15 is in sliding contact with the mounting support plate 9 , and the mounting support plate 9 is in sliding contact with the inner cavity surface of the air ring body 1 .
[0037] The provision of the limiting slide bar 15 is helpful in improving the stability of the mounting support plate 9 when it moves in the inner cavity of the air ring body 1 .
[0038] Example 6, as Figures 1 to 4 As shown, this embodiment is a further improvement based on Example 1, and its details are as follows:
[0039] A circular hole 16 is formed on the surface of the mounting support plate 9 , and the limiting slide bar 15 is located in the circular hole 16 .
[0040] By providing the circular hole 16 on the surface of the mounting support plate 9 , the limiting slide bar 15 can better penetrate the mounting support plate 9 .
[0041] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. An automatic air ring adjustment mechanism, comprising an air ring body (1), characterized in that: The top of the wind ring body (1) is fixedly mounted with a mounting ring (2), the surface of the mounting ring (2) is fixedly mounted with an interference thickness gauge (3), the surface of the wind ring body (1) is fixedly mounted with an automatic controller (4), the inner cavity of the wind ring body (1) is fixedly mounted with a wind bin (5) and a plurality of electric telescopic rods (6), the inner ring surface of the wind ring body (1) is provided with a wind ring air outlet (7) connected to the inner cavity of the wind ring body (1), the wind ring air outlet (7) is connected to the inner cavity of the wind bin (5), and the wind bin (5) is away from the wind ring. An air bin air inlet (8) is provided on one side surface of the air outlet (7), a mounting support plate (9) is fixedly installed on the top of the electric telescopic rod (6), an air regulating plate (10) is fixedly installed on the upper surface of the mounting support plate (9), and a plurality of first air regulating holes (11), second air regulating holes (12) and third air regulating holes (13) are provided on the surface of the air regulating plate (10), the diameter of the first air regulating hole (11) is larger than the diameter of the second air regulating hole (12), and the diameter of the second air regulating hole (12) is larger than the diameter of the third air regulating hole (13).
2. The automatic air ring adjustment mechanism according to claim 1, characterized in that: Two air inlet pipes (14) are fixedly mounted on the surface of the air ring body (1); the inner cavities of the air inlet pipes (14) are connected to the inner cavity of the air ring body (1) and are symmetrically distributed on the surface of the air ring body (1).
3. The automatic air ring adjustment mechanism according to claim 1, characterized in that: There are multiple interference thickness gauges (3), and the multiple interference thickness gauges (3) are evenly distributed on the surface of the air ring body (1).
4. The automatic air ring adjustment mechanism according to claim 1, characterized in that: The output end of the interference thickness gauge (3) is electrically connected to the input end of the automatic controller (4), and the output end of the automatic controller (4) is electrically connected to the input end of the electric telescopic rod (6).
5. The automatic air ring adjustment mechanism according to claim 1, characterized in that: A limiting slide bar (15) is fixedly installed in the inner cavity of the air ring body (1), and the limiting slide bar (15) passes through the mounting support plate (9). The limiting slide bar (15) is in sliding contact with the mounting support plate (9), and the mounting support plate (9) is in sliding contact with the inner cavity surface of the air ring body (1).
6. The automatic air ring adjustment mechanism according to claim 5, characterized in that: A circular hole (16) is provided on the surface of the mounting support plate (9), and the limiting slide rod (15) is located in the circular hole (16).