High-yield air ring capable of conveniently adjusting air volume
By using a motor-driven air ring adjustment assembly and a threaded connection between a threaded rod and a movable frame, the problem of inaccurate airflow adjustment in existing air rings is solved, and precise airflow control is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-04-07
AI Technical Summary
The existing air ring requires manual operation of multiple bolts when adjusting the air volume, which makes it difficult to unify and control the adjustment distance, thus affecting production efficiency.
The system uses a motor to drive the adjustment components to rotate, and adjusts the size of the air outlet through a threaded connection between the threaded rod and the movable frame. Precise adjustment is achieved through gear transmission.
It enables precise airflow adjustment, reduces errors, and improves production efficiency.
Smart Images

Figure CN224089664U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic processing equipment technology, and more specifically, to a high-yield air ring that is easy to adjust the air volume. Background Technology
[0002] The air ring is an important component of blown film machines in plastic processing machinery. It is responsible for cooling and shaping the inflated film bubble. The air ring has a great influence on the quality and output of blown film products. The air ring has a circular structure and is made of cast aluminum alloy. Due to the difficulty of casting and the strength of cast aluminum, large air rings are made by welding steel plates on the outer shell and embedding cast aluminum parts inside. Structurally, the air ring is divided into several parts: air inlet, air exchanger body, rotating body, and upper and lower lips (air outlet). There are an even number of air inlets, which are evenly distributed on the lower part or side of the air ring and connected to the blower distributor through air ducts. The air exchanger body is a hollow shell with a labyrinthine cross section and built-in guide vanes to homogenize the airflow and establish air pressure.
[0003] During production operations, existing air rings often require airflow adjustment. This adjustment is achieved by modifying the air intake or the air outlet. When modifying the air outlet, workers usually manually operate the bolts that fix the upper lip. Since there are multiple fixing bolts, it is difficult to unify and control the adjustment distance, which affects the production efficiency. Utility Model Content
[0004] 1. Technical problems to be solved
[0005] To address the problems existing in the prior art, the purpose of this utility model is to provide a high-yield air ring that facilitates airflow adjustment. The adjustment component is rotated by a motor, and the adjustment gear rotates. Through the threaded connection between the threaded rod and the movable frame, the movable frame is moved up and down, thereby adjusting the size of the air outlet and completing the adjustment of the airflow. The adjustment distance is easier to control, and it is less prone to errors, making it convenient for adjustment.
[0006] 2. Technical Solution
[0007] To solve the above problems, the present invention adopts the following technical solution:
[0008] A high-yield air ring with easily adjustable airflow includes: an air ring body, a closed ring fixedly connected to the top surface of the air ring body, and an upper lip body provided on the top surface of the air ring body; and an adjustment assembly, the adjustment assembly including: multiple support rods, a top fixing frame, multiple adjustment components, a movable frame, and multiple connecting rods. The multiple support rods are detachably connected to the top surface of the air ring body, the top fixing frame is fixedly connected between the top ends of the multiple support rods, and each of the multiple adjustment components includes: a bottom rotating shaft, a threaded rod, and an adjusting gear. The bottom rotating shaft is rotatably connected to the top surface of the air ring body, the threaded rod is fixedly connected to the top end of the bottom rotating shaft, the adjusting gear is sleeved on the outer wall of the bottom rotating shaft, the movable frame is movably sleeved between the outer walls of the multiple threaded rods via threads, and the multiple connecting rods are fixedly connected to the bottom surface of the movable frame, with one end of each connecting rod fixedly connected to the top surface of the upper lip body.
[0009] As a preferred embodiment of this utility model, the plurality of adjusting gears are connected by a toothed belt drive, and an air outlet plate is installed on the top surface of the upper lip body.
[0010] As a preferred embodiment of this utility model, the top surface of the movable frame is equipped with multiple sets of downward pressure springs, and each set of downward pressure springs has two springs.
[0011] As a preferred embodiment of this utility model, one end of each of the plurality of downward pressure springs is fixedly connected to the bottom surface of the top fixing frame.
[0012] As a preferred embodiment of this utility model, a rotating shaft frame is movably sleeved between the outer walls of the plurality of bottom rotating shafts.
[0013] As a preferred embodiment of this utility model, a motor is mounted on the top surface of the top fixing frame, and the output end of the motor is fixedly connected to one end of one of the threaded rods.
[0014] 3. Beneficial effects
[0015] Compared with existing technologies, this utility model provides a high-yield air ring that is easy to adjust the air volume, and has the following beneficial effects:
[0016] This high-capacity air ring, which facilitates airflow adjustment, uses a motor to drive the adjustment components to rotate. The adjustment gear rotates, and through the threaded connection between the threaded rod and the movable frame, the movable frame moves up and down, thereby adjusting the size of the air outlet and completing the airflow adjustment. The adjustment distance is easier to control and less prone to error, making it convenient for adjustment. Attached Figure Description
[0017] Figure 1 This is a perspective view of the present utility model;
[0018] Figure 2 This is a bottom-view perspective view of the present invention;
[0019] Figure 3 This is a perspective view of the main body of the air ring of this utility model;
[0020] Figure 4 This is a bottom perspective view of the adjustment component of this utility model;
[0021] Figure 5 This is a partial perspective view of the adjustment component of this utility model.
[0022] Explanation of the labels in the diagram:
[0023] 1. Air ring body; 2. Upper lip body; 3. Closing ring; 4. Air outlet plate; 5. Support rod; 6. Top fixing frame; 7. Bottom rotating shaft; 8. Rotating shaft frame; 9. Threaded rod; 10. Movable frame; 11. Downward pressure spring; 12. Connecting rod; 13. Motor. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0025] Example:
[0026] Please see Figure 1-5 A high-yield air ring with easily adjustable airflow includes: an air ring body 1, a closed ring 3 fixedly connected to the top surface of the air ring body 1, and an upper lip 2 provided on the top surface of the air ring body 1; and an adjustment assembly, which includes: multiple support rods 5, a top fixing frame 6, multiple adjustment components, a movable frame 10, and multiple connecting rods 12. The multiple support rods 5 are detachably connected to the top surface of the air ring body 1, the top fixing frame 6 is fixedly connected between the top ends of the multiple support rods 5, and the multiple adjustment components each include: a bottom rotating shaft 7, a threaded rod 9, and an adjusting gear. The bottom rotating shaft 7 is rotatably connected to the top surface of the air ring body 1, the threaded rod 9 is fixedly connected to the top end of the bottom rotating shaft 7, the adjusting gear is sleeved on the outer wall of the bottom rotating shaft 7, the movable frame 10 is movably sleeved between the outer walls of the multiple threaded rods 9 through threads, and the multiple connecting rods 12 are all fixedly connected to the bottom surface of the movable frame 10, and one end of each of the multiple connecting rods 12 is fixedly connected to the top surface of the upper lip 2.
[0027] In a specific embodiment of this utility model, the upper air outlet of the air ring is formed by the air ring body 1 and the upper lip body 2, and the exterior of the upper air outlet is sealed by the sealing ring 3 to prevent air leakage during adjustment. When the air volume needs to be adjusted, the motor 13 is started, and the motor 13 drives the adjustment component to rotate. At this time, the adjustment component will rotate at the same speed and in the same direction through the transmission of the toothed belt and the adjustment gear. Through the threaded connection with the movable frame 10, the movable frame 10 will be driven to move up and down, thereby adjusting the size of the air outlet and completing the adjustment of the air volume. The adjustment distance is easier to control and less prone to error, which is conducive to adjustment.
[0028] Specifically, multiple adjusting gears are connected by a toothed belt drive, and an air outlet plate 4 is installed on the top surface of the upper lip body 2.
[0029] In this embodiment, the transmission of multiple adjusting gears is accomplished by a toothed belt, and the air outlet plate 4 is used to assist the upper lip body 2 in its work.
[0030] Specifically, multiple sets of downward pressure springs 11 are installed on the top surface of the movable frame 10, with two springs in each set.
[0031] In this embodiment, the center of the movable frame 10 is pressed down by the pressure spring 11 to control the size of the air outlet.
[0032] Specifically, one end of each of the multiple compression springs 11 is fixedly connected to the bottom surface of the top fixing frame 6.
[0033] In this embodiment, the compression spring 11 is installed and fixed by the top fixing bracket 6.
[0034] Specifically, a rotating shaft bracket 8 is movably sleeved between the outer walls of multiple bottom rotating shafts 7.
[0035] In this embodiment, the bottom rotating shaft 7 is fixed and restricted by the rotating shaft frame 8, and the rotating shaft frame 8 is rotatably sleeved between the outer walls of multiple bottom rotating shafts 7.
[0036] Specifically, a motor 13 is mounted on the top surface of the top fixing frame 6, and the output end of the motor 13 is fixedly connected to one end of one of the threaded rods 9.
[0037] In this embodiment, the air volume is adjusted by rotating the threaded rod 9 driven by the motor 13.
[0038] Working principle: The upper air outlet of the air ring is formed by the main body 1 and the upper lip 2. The upper air outlet is sealed off by the sealing ring 3 to prevent air leakage during adjustment. When the air volume needs to be adjusted, the motor 13 is started. The motor 13 drives the adjustment component to rotate. At this time, the adjustment component will rotate at the same speed and in the same direction through the transmission of the toothed belt and the adjustment gear. Through the threaded connection with the movable frame 10, the movable frame 10 will be driven to move up and down, thereby adjusting the size of the air outlet and completing the adjustment of the air volume. The adjustment distance is easier to control and less prone to error, which is conducive to adjustment.
[0039] The control method of this utility model is to control the device by manually starting and stopping the switch. The wiring diagram of the power element and the supply of power are common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and wiring layout will not be explained in detail.
[0040] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model based on the technical solution and its improved concept should be covered within the protection scope of the present utility model.
Claims
1. A high-yield air ring with easily adjustable air volume, characterized in that, include: The wind ring body (1) has a closed ring (3) fixedly connected to its top surface, and an upper lip (2) is provided on the top surface of the wind ring body (1). as well as The adjustment assembly includes: multiple support rods (5), a top fixing frame (6), multiple adjustment components, a movable frame (10), and multiple connecting rods (12). The multiple support rods (5) are detachably connected to the top surface of the air ring body (1). The top fixing frame (6) is fixedly connected between the top ends of the multiple support rods (5). The multiple adjustment components each include: a bottom rotating shaft (7), a threaded rod (9), and an adjusting gear. The bottom rotating shaft (7) is rotatably connected to the top surface of the air ring body (1). The threaded rod (9) is fixedly connected to the top end of the bottom rotating shaft (7). The adjusting gear is sleeved on the outer wall of the bottom rotating shaft (7). The movable frame (10) is movably sleeved between the outer walls of the multiple threaded rods (9) through a thread. The multiple connecting rods (12) are all fixedly connected to the bottom surface of the movable frame (10), and one end of each of the multiple connecting rods (12) is fixedly connected to the top surface of the upper lip body (2).
2. The high-yield air ring with easily adjustable air volume according to claim 1, characterized in that: Multiple adjusting gears are connected by a toothed belt drive, and an air outlet plate (4) is installed on the top surface of the upper lip body (2).
3. The high-yield air ring with easily adjustable air volume according to claim 2, characterized in that: The top surface of the movable frame (10) is equipped with multiple sets of downward pressure springs (11), and each set of downward pressure springs (11) has two springs.
4. A high-yield air ring with easily adjustable air volume according to claim 3, characterized in that: One end of each of the multiple compression springs (11) is fixedly connected to the bottom surface of the top fixing frame (6).
5. A high-yield air ring with easily adjustable air volume according to claim 4, characterized in that: A rotating shaft bracket (8) is movably sleeved between the outer walls of the plurality of bottom rotating shafts (7).
6. A high-yield air ring with easily adjustable air volume according to claim 5, characterized in that: A motor (13) is mounted on the top surface of the top fixing frame (6), and the output end of the motor (13) is fixedly connected to one end of one of the threaded rods (9).