Cooling air ring

Abstract

The utility model discloses a cooling air ring which comprises an air ring body, an air inlet pipe and an air outlet, one end of the air ring body is connected with the air inlet pipe, and the other end of the air ring body is communicated with the air outlet. A cooling mechanism is arranged in the air ring body; the upper end of the air ring body is connected with a filtering mechanism, and the upper end of the filtering mechanism is connected with a first air outlet layer; the first air outlet layer is of a hollow structure and communicates with the air inlet pipe, a plurality of air outlets are formed in the upper end of the first air outlet layer, the upper end of the first air outlet layer is rotationally connected with a second air outlet layer, the second air outlet layer is of a hollow structure, and a plurality of air outlets are formed in the top face of the second air outlet layer; an air uniformizing mechanism is arranged in the air ring body, the lower end of the air uniformizing mechanism communicates with the air inlet pipe, and the upper end of the air uniformizing mechanism communicates with the lower end of the first air outlet layer. The air volume can be conveniently adjusted, the film is prevented from being influenced, and the quality of the film is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cooling air rings and relates to a cooling air ring. Background Art

[0002] The film blowing machine heats and melts plastic particles and then blows them into thin films. There are many types of film blowing machines, including PE, POF, PVC, etc. The film blowing machine is mainly composed of an extruder, a die head, a cooling device, a bubble stabilizing frame, a herringbone plate, a traction roller, a winding device, etc. The cooling air ring is an important component in the cooling device of the film blowing machine, which is responsible for cooling and shaping the inflated film bubbles.

[0003] At present, most cooling air rings have fixed outlet sizes and diameters, which cannot be fine-tuned, so the air volume cannot be adjusted, which can easily cause the membrane bubble to deform and ultimately affect the quality of the membrane bubble product. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a cooling air ring, which is convenient for adjusting the air volume, prevents the film from being affected, and improves the quality of the film.

[0005] The objective of the utility model is achieved through the following technical scheme: a cooling air ring, comprising an air ring body, an air inlet pipe and an air outlet, one end of the air ring body being connected to the air inlet pipe, and the other end of the air ring body being connected to the air outlet; a cooling mechanism is provided in the air ring body; the upper end of the air ring body is connected to a filtering mechanism, and the upper end of the filtering mechanism is connected to a first air outlet layer; the first air outlet layer is a hollow structure and is connected to the air inlet pipe, the upper end of the first air outlet layer is provided with a plurality of air outlets, the upper end of the first air outlet layer is rotatably connected to a second air outlet layer, the second air outlet layer is a hollow structure, and the top surface of the second air outlet layer is provided with a plurality of air outlets; a uniform wind mechanism is provided inside the air ring body, the lower end of the uniform wind mechanism is connected to the air inlet pipe, and the upper end of the uniform wind mechanism is connected to the lower end of the first air outlet layer.

[0006] Through the above scheme, according to the needs, the first air outlet layer is rotated, the overlapping area of ​​the air outlet of the first air outlet layer and the second air outlet layer abutting the surface is adjusted, and then the air volume is adjusted to ensure the quality of the film. The air flow introduced is diverted by the uniform wind mechanism so that it can be discharged from the air outlet evenly, preventing uneven air flow from affecting the quality of the film. At the same time, the filtering mechanism is set to prevent the introduced air flow from carrying other impurities and adsorbing on the film, further improving the quality of the film. At the same time, a cooling mechanism is set to facilitate taking away the heat of the blown film to prevent it from affecting the air flow temperature and the cooling effect, further improving the quality of the film.

[0007] Preferably, the uniform wind mechanism includes a first uniform wind layer, which is a hollow structure, the bottom surface of the first uniform wind layer is connected to a plurality of air inlet pipes, the top surface of the first uniform wind layer is connected to a plurality of uniform wind pipes, the other end of the uniform wind pipe is connected to a second uniform wind layer, the second uniform wind layer is a hollow structure, the top surface of the second uniform wind layer is provided with a plurality of through holes, and the through holes are connected to the first air outlet layer.

[0008] Through the above scheme, the airflow is preliminarily dispersed through the air inlet pipe and then dispersed twice through the air uniformity pipe, so that the incoming airflow can be evenly dispersed into the air outlet layer for discharge without affecting the quality of the film.

[0009] Preferably, a mounting groove is provided on the top surface of the first air outlet layer, a connecting ring is provided in the mounting groove, the upper end of the connecting ring is connected to the second air outlet layer, and a plurality of first balls are abutted on the bottom surface of the connecting ring, and the first balls are rotatably connected to the mounting groove.

[0010] Through the above solution, the arrangement of the mounting groove and the ball makes it easy to rotate the first air outlet layer and adjust the air volume.

[0011] Preferably, the filtering mechanism comprises a mounting ring, the edge of the mounting ring is connected with a screw ring, and a filter screen is provided in the middle of the mounting ring; the screw ring is screwed into a screw hole, and the screw hole is arranged on the top surface of the air ring body.

[0012] Through the above scheme, the filtering mechanism is connected to the air ring body through the screw ring and the screw hole, which is convenient for disassembly and cleaning, and ensures that the air flow is discharged smoothly for cooling work.

[0013] Preferably, the cooling mechanism comprises a water inlet pipe, the water inlet pipe is connected to the upper end of the cooling layer, the cooling layer is arranged in the wall surface of the air ring body, and the lower end of the cooling layer is provided with a water outlet pipe.

[0014] Through the above solution, the water inlet pipe is externally connected to a water pump to pass cooling liquid such as cold water into the cooling layer and then discharge it from the water outlet pipe to reduce the temperature of the airflow.

[0015] Preferably, a plurality of second balls are provided on the inner wall of the air ring body, and the balls are rotatably connected to the air ring body at even intervals.

[0016] Through the above solution, the provision of the second ball makes it easier for the film to pass through the air ring body.

[0017] Preferably, a flange is connected to the bottom surface of the air ring body.

[0018] Through the above solution, the air ring body is connected to the film blowing machine through the flange, which is easy to disassemble.

[0019] The beneficial effects of the utility model are: it is convenient to adjust the air volume according to demand to ensure the quality of the film. The incoming airflow is split so that it can be discharged evenly from the air outlet to prevent uneven airflow from affecting the quality of the film. The filtering mechanism prevents the introduced airflow from carrying other impurities and adsorbing them on the film, further improving the quality of the film. The cooling mechanism takes away the heat of the blown film to prevent it from affecting the airflow temperature and the cooling effect, further improving the quality of the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view of the cooling air ring;

[0021] Figure 2 It is a schematic diagram of the structure of the cooling air ring;

[0022] Figure 3 It is a structural schematic diagram of the wind uniformity mechanism;

[0023] Figure 4 This is a schematic diagram of the setting of the air inlet pipe;

[0024] Figure 5 It is a structural schematic diagram of the filtering mechanism;

[0025] Figure 6 A schematic diagram of the connection between the first air outlet layer and the second air outlet layer;

[0026] In the figure, 1-air ring body, 2-flange, 3-water inlet pipe, 4-filter mechanism, 401-mounting ring, 402-screw, 403-filter, 5-first air outlet layer, 6-second air outlet layer, 7-water outlet pipe, 8-air inlet pipe, 9-first uniform air layer, 10-second uniform air layer, 11-cooling layer, 12-uniform air pipe, 13-mounting groove, 14-connecting ring, 15-first ball bearing. DETAILED DESCRIPTION

[0027] The technical solution of the present utility model is further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present utility model is not limited to the following.

[0028] Example 1

[0029] like Figure 1-Figure 6As shown, a cooling air ring comprises an air ring body 1, an air inlet pipe 8 and an air outlet, the air ring body 1 is cylindrical, one end of the air ring body 1 is connected to the air inlet pipe 8, the air inlet pipe 8 is connected to a fan, and the other end of the air ring body 1 is connected to the air outlet; a cooling mechanism is provided in the air ring body 1; the upper end of the air ring body 1 is connected to a filtering mechanism 4, and the upper end of the filtering mechanism 4 is connected to a first air outlet layer 5; the first air outlet layer 5 is a hollow structure and is connected to the air inlet pipe 8, the upper end of the first air outlet layer 5 is provided with a plurality of air outlets, the upper end of the first air outlet layer 5 is rotatably connected to the second air outlet layer 6, the second air outlet layer 6 is a hollow structure, and the bottom and top surfaces of the second air outlet layer 6 are provided with a plurality of air outlets; a uniform wind mechanism is provided inside the air ring body 1, the lower end of the uniform wind mechanism is connected to the air inlet pipe 8, and the upper end of the uniform wind mechanism is connected to the lower end of the first air outlet layer 5. The uniform wind mechanism includes a first uniform wind layer 9, which is a hollow structure. The bottom surface of the first uniform wind layer 9 is connected with four air inlet pipes 8, and the top surface of the first uniform wind layer 9 is connected with four uniform wind pipes 12. The angle between the uniform wind pipe 12 and the air inlet pipe 8 is 45°. The other end of the uniform wind pipe 12 is connected with a second uniform wind layer 10. The second uniform wind layer 10 is a hollow structure. The top surface of the second uniform wind layer 10 is provided with a plurality of through holes, and the through holes are connected with the first air outlet layer 5. The top surface of the first air outlet layer 5 is provided with a mounting groove 13, and a connecting ring 14 is provided in the mounting groove 13. The upper end of the connecting ring 14 is connected with the second air outlet layer 6, and the bottom surface of the connecting ring 14 is abutted with a plurality of first balls 15, and the first balls 15 are rotatably connected with the mounting groove 13. The filtering mechanism 4 includes a mounting ring 401, the edge of which is connected with a screw ring 402, the mounting ring 401 and the screw ring 402 are adapted, and a filter screen 403 is provided in the middle of the mounting ring 401; the screw ring 402 is screwed into a screw hole, and the screw hole is provided on the top surface of the air ring body 1. The cooling mechanism includes a water inlet pipe 3, the water inlet pipe 3 is connected with the upper end of the cooling layer 11, the cooling layer 11 is provided in the wall surface of the air ring body 1, and the lower end of the cooling layer 11 is provided with a water outlet pipe 7. The inner wall of the air ring body 1 is provided with a plurality of second balls, and the balls are rotatably connected to the air ring body 1 at even intervals. The bottom surface of the air ring body 1 is connected with a flange 2.

[0030] In specific implementation, the cooling air ring is connected to the film blowing machine through the flange 2. During the film blowing process, the first air outlet layer 5 is rotated according to the air volume demand, and the overlapping area of ​​the air outlets on the contact surface of the first air outlet layer 5 and the second air outlet layer 6 is adjusted to achieve the purpose of adjusting the air volume. The fan is started, and the fan disperses the external air from the air inlet pipe 8 into the first uniform air layer 9, and then disperses it twice through the uniform air pipe 12 and enters the second uniform air layer 10. After being filtered by the filter 403, the airflow evenly enters the first air outlet layer 5, enters the second air outlet layer 6 through the air outlet in the first air outlet layer 5, and is discharged from the air outlet on the top surface of the second air outlet for cooling, while ensuring the quality of the film. If the temperature of the extruded film is too high, it is easy to affect the temperature of the airflow and reduce the cooling effect. During the film blowing process, the water pump connected to the water inlet pipe 3 is started to pass the cooling water into the cooling layer 11, and then discharged from the water outlet pipe 7 to take away the heat, reduce the airflow temperature, improve the cooling effect, and achieve the purpose of efficient cooling.

[0031] The above is only a preferred embodiment of the utility model. It should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A cooling air ring, comprising an air ring body (1), an air inlet pipe (8) and an air outlet, wherein one end of the air ring body (1) is connected to the air inlet pipe (8), and the other end of the air ring body (1) is connected to the air outlet; a cooling mechanism is provided inside the air ring body (1); and the characteristics are: The upper end of the air ring body (1) is connected to a filter mechanism (4), and the upper end of the filter mechanism (4) is connected to a first air outlet layer (5); the first air outlet layer (5) is a hollow structure and is connected to the air inlet pipe (8); a plurality of air outlets are provided at the upper end of the first air outlet layer (5); the upper end of the first air outlet layer (5) is rotatably connected to a second air outlet layer (6); the second air outlet layer (6) is a hollow structure, and a plurality of air outlets are provided on the top surface of the second air outlet layer (6); a uniform wind mechanism is provided inside the air ring body (1); the lower end of the uniform wind mechanism is connected to the air inlet pipe (8), and the upper end of the uniform wind mechanism is connected to the lower end of the first air outlet layer (5).

2. A cooling air ring according to claim 1, characterized in that: The wind uniformity mechanism comprises a first wind uniformity layer (9), the first wind uniformity layer (9) is a hollow structure, the bottom surface of the first wind uniformity layer (9) is connected to a plurality of wind inlet pipes (8), the top surface of the first wind uniformity layer (9) is connected to a plurality of wind uniformity pipes (12), the other end of the wind uniformity pipe (12) is connected to a second wind uniformity layer (10), the second wind uniformity layer (10) is a hollow structure, the top surface of the second wind uniformity layer (10) is provided with a plurality of through holes, and the through holes are connected to the first wind outlet layer (5).

3. A cooling air ring according to claim 1, characterized in that: The top surface of the first air outlet layer (5) is provided with a mounting groove (13), a connecting ring (14) is provided in the mounting groove (13), the upper end of the connecting ring (14) is connected to the second air outlet layer (6), the bottom surface of the connecting ring (14) is abutted with a plurality of first balls (15), and the first balls (15) are rotatably connected to the mounting groove (13).

4. A cooling air ring according to claim 1, characterized in that: The filtering mechanism (4) comprises a mounting ring (401), the edge of the mounting ring (401) is connected to a screw ring (402), and a filter screen (403) is provided in the middle of the mounting ring (401); the screw ring (402) is screwed into a screw hole, and the screw hole is arranged on the top surface of the air ring body (1).

5. The cooling air ring according to claim 1, characterized in that: The cooling mechanism comprises a water inlet pipe (3), the water inlet pipe (3) being in communication with the upper end of a cooling layer (11), the cooling layer (11) being arranged in the wall surface of the air ring body (1), and a water outlet pipe (7) being arranged at the lower end of the cooling layer (11).

6. A cooling air ring according to claim 5, characterized in that: The inner wall of the air ring body (1) is provided with a plurality of second balls, and the balls are rotatably connected to the air ring body (1) at even intervals.

7. A cooling air ring according to claim 6, characterized in that: The bottom surface of the air ring body (1) is connected to a flange (2).

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