Cooling mechanism for film blowing machine

By designing the cooling fan and air guide ring structure, the problem of uneven air distribution in the cooling mechanism of the blown film machine was solved, achieving uniform cooling and quality improvement of the film, and enhancing the adaptability and production efficiency of the equipment.

CN223719968UActive Publication Date: 2025-12-26SHANGMIAO (SUZHOU) TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520165935.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2025-12-26
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

Existing blown film machines use multiple air outlets for cooling, resulting in uneven air distribution, inconsistent film cooling rates, uneven film thickness, and poor surface smoothness, thus affecting film quality.

Method used

It adopts a cooling fan and air guide ring structure. The cold air enters the air guide cavity of the cooling ring through the air guide ring and air guide channel, and is then blown out evenly from the annular air outlet. Combined with the adjustment ring and electric telescopic cylinder, the size and angle of the air outlet can be flexibly adjusted to meet the production needs of films of different specifications.

Benefits of technology

Uniform cooling of the film was achieved, improving the cooling speed and quality, reducing problems such as uneven film thickness and surface roughness, and improving the versatility of the equipment and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of film blowing machine equipment, in particular to a cooling mechanism for a film blowing machine. The cooling mechanism for the film blowing machine comprises a refrigeration fan and an air guide ring, one side of the refrigeration fan is connected with the air guide ring through a connecting pipe, a cooling ring is concentrically arranged on the inner side of the air guide ring, and the air guide ring and the cooling ring are fixedly connected through a plurality of supporting columns. The top of the cooling ring is buckled with an extension cover; the interior of the air guide ring is connected with the cooling ring through a plurality of air guide channels, the interior of the cooling ring is an air guide cavity of a hollow structure, an air guide plate is obliquely arranged on the inner side of the bottom of the cooling ring, and the inner side of the air guide plate communicates with the air guide cavity to form an annular air outlet; an adjusting ring is arranged at the air outlet, adjusting plates are connected to the two sides of the upper portion of the adjusting ring, adjusting grooves are formed in the sides, located on the adjusting plates, of the extension covers, and the adjusting plates penetrate through the adjusting grooves through connecting rods to be connected with electric telescopic cylinders.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a film blowing machine equipment technical field, concretely relates to a cooling mechanism for film blowing machine. BACKGROUND

[0002] In the film blowing machine production process, cooling is a key link. At present, the common cooling mechanism of the film blowing machine on the market mainly adopts the air cooling mode of the wind generated in the film blowing process to cool the blown film. This cooling mechanism has relatively simple structure and low cost, but the overall machine space required is large and the cooling speed is slow, so a cooling mechanism is needed to assist cooling.

[0003] The existing cooling mechanism mostly adopts multiple air outlet heads to blow air when in use, and the air distribution is uneven, resulting in inconsistent film cooling speed and problems such as uneven film thickness and poor surface flatness, which affect the quality of the film. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem that the existing cooling mechanism adopts multiple air outlet heads to blow air, the air distribution is uneven, resulting in inconsistent film cooling speed and uneven film thickness and poor surface flatness, which affect the quality of the film.

[0005] To solve the above technical problems, the utility model provides a technical scheme of a cooling mechanism for film blowing machine, which comprises a refrigeration fan and a wind guide ring. One side of the refrigeration fan is connected with the wind guide ring through a connecting pipe. The inner side of the wind guide ring is concentrically provided with a cooling ring, and the wind guide ring and the cooling ring are fixedly connected through multiple support columns. The top of the cooling ring is buckled with an extension cover.

[0006] The inside of the wind guide ring is connected with the cooling ring through multiple air guide channels. The inside of the cooling ring is a hollow air guide cavity, and the inner side of the bottom of the cooling ring is obliquely provided with an air guide plate. The inner side of the air guide plate is in communication with the air guide cavity to form an annular air outlet.

[0007] An adjusting ring is arranged at the air outlet. Two adjusting plates are connected above the adjusting ring. An adjusting groove is arranged on one side of the extension cover of the adjusting plate, and the adjusting plate is connected with an electric telescopic cylinder through a connecting rod penetrating the adjusting groove.

[0008] As a preferred technical scheme of the utility model, the height of the cooling ring is less than or equal to the height of the wind guide ring, and a sealing table is arranged above the cooling ring and inserted with the extension cover.

[0009] As a preferred technical scheme of the utility model, the multiple air guide channels and the multiple support columns are arranged at equal angles and staggered between the wind guide ring and the cooling ring.

[0010] As a preferred technical scheme of the utility model, the connecting place of the plurality of air ducts and the cooling ring is located above the air guiding cavity in the cooling ring, and is perpendicular to the air guiding cavity, and the air guiding cavity is provided with a 45-degree chamfer on the side opposite to the plurality of air ducts.

[0011] As a preferred technical scheme of the utility model, the air guiding plate is an annular structure matched with the shape of the cooling ring, and the inner diameter of the air guiding plate gradually decreases from bottom to top.

[0012] As a preferred technical scheme of the utility model, the inner side of the extension cover and the cooling ring is provided with a corresponding guide sliding groove at the adjusting plate, and the adjusting groove is located at the guide sliding groove.

[0013] As a preferred technical scheme of the utility model, when the adjusting plate is located at the lowermost of the adjusting groove through the connecting rod, the height of the adjusting plate above the connecting rod is greater than the adjusting height of the adjusting groove, so that the adjusting groove is sealed by the adjusting plate in the use process.

[0014] As a preferred technical scheme of the utility model, the electric telescopic cylinder is parallelly arranged with the direction of the adjusting groove.

[0015] The utility model has the advantages compared with the prior art:

[0016] The cooling mechanism for the film blowing machine can uniformly cool the blown film, effectively improve the cooling speed and quality of the film, and reduce the problems of uneven film thickness and uneven surface.

[0017] The cooling mechanism for the film blowing machine is provided with the adjusting ring and the electric telescopic cylinder, the adjusting plate is pushed by the electric telescopic cylinder, and the adjusting ring is driven to move, so that the size of the air outlet can be flexibly adjusted, the size of the air outlet can be adjusted, and the production demand of different specifications of the film can be met, and the versatility and production efficiency of the equipment are improved. DRAWINGS

[0018] Figure 1 It is a shaft side structure diagram of the cooling mechanism for the film blowing machine.

[0019] Figure 2 It is a plan view of the cooling mechanism for the film blowing machine.

[0020] Figure 3 It is a sectional view of the cooling mechanism for the film blowing machine at A-A.

[0021] Figure 4The utility model discloses a cooling mechanism for a film blowing machine.

[0022] As shown in the figure:

[0023] 1, refrigeration fan;2, air guide ring;3, connecting pipe;4, cooling ring;5, multiple support columns;6, extension cover;7, multiple air guide channels;8, air guide cavity;9, air guide plate;10, air outlet;11, adjusting ring;12, adjusting plate;13, adjusting groove;14, connecting rod;15, electric telescopic cylinder;16, sealing table;17, guide sliding groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the protection scope of the utility model.

[0025] In the description of the utility model, it is necessary to point out that, unless there is explicit provision and limitation, the terms "mount", "set with", "connect" and the like should be understood broadly, for example, "connect", can be fixedly connected, also can be detachably connected, or integrally connected;Can be mechanically connected, also can be electrically connected;Can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0026] Embodiment 1:

[0027] As shown in the description accompanying drawings Figures 1-4 A cooling mechanism for a film blowing machine, including refrigeration fan 1 and air guide ring 2, one side of refrigeration fan 1 is connected with air guide ring 2 through connecting pipe 3, and the inside of air guide ring 2 is concentrically provided with cooling ring 4, and air guide ring 2 and cooling ring 4 are fixedly connected through multiple support columns 5, and the top of cooling ring 4 is buckled with extension cover 6, and the height of cooling ring 4 is less than or equal to the height of air guide ring 2, and the upper portion of cooling ring 4 is provided with sealing table 16 inserted with extension cover 6;

[0028] In the utility model, the multiple air guide channels 7 are connected with the cooling ring 4 inside the air guide ring 2, the multiple air guide channels 7 and the multiple supporting columns 5 are arranged at equal angles and staggered between the air guide ring 2 and the cooling ring 4, the inside of the cooling ring 4 is the air guide cavity 8 of hollow structure, the connecting place of the multiple air guide channels 7 and the cooling ring 4 is above the air guide cavity 8 inside the cooling ring 4 and is perpendicular to the air guide cavity 8, the air guide cavity 8 is provided with a 45-degree chamfer on the opposite side of the multiple air guide channels 7, the inside of the bottom of the cooling ring 4 is provided with the air guide plate 9 in an inclined mode, the air guide plate 9 is the annular structure matched with the shape inside the cooling ring 4 as a whole, the inner diameter of the air guide plate 9 gradually reduces from bottom to top, and the inside of the air guide plate 9 is communicated with the air guide cavity 8 to form the annular air outlet 10.

[0029] In the utility model, the adjusting ring 11 is provided at the air outlet 10, the two sides above the adjusting ring 11 are connected with the adjusting plate 12, the inside of the extension cover 6 and the cooling ring 4 is provided with the corresponding guide sliding slot 17 at the adjusting plate 12, the extension cover 6 is provided with the adjusting groove 13 on one side of the adjusting plate 12, the adjusting groove 13 is located at the guide sliding slot 17, the adjusting plate 12 is connected with the electric telescopic cylinder 15 through the connecting rod 14 and passes through the adjusting groove 13, when one side of the adjusting plate 12 is located at the lowermost of the adjusting groove 13 through the connecting rod 14, the height of the adjusting plate 12 above the connecting rod 14 is greater than the adjusting height of the adjusting groove 13, so that the adjusting groove 13 is sealed by the adjusting plate 12 in the use process, and the electric telescopic cylinder 15 is provided in parallel with the direction of the adjusting groove 13.

[0030] In the utility model, the cooling wind generated by the refrigeration fan 1 enters the air guide ring 2 through the connecting pipe 3, and the cooling wind in the air guide ring 2 enters the air guide cavity 8 of the cooling ring 4 through the multiple air guide channels 7. Since the air guide channel is perpendicular to the air guide cavity 8, and the air guide cavity 8 is provided with a 45-degree chamfer on one side, the cooling wind can flow smoothly in the air guide cavity 8, and after the cooling wind accumulates in the air guide cavity 8, the cooling wind is blown out uniformly from the annular air outlet 10 through the air guide plate 9 arranged in an inclined mode, so that the film blown out by the film blowing machine is cooled; when the cooling parameter needs to be adjusted, the electric telescopic cylinder 15 is started, the electric telescopic cylinder 15 drives the adjusting plate 12 to move in the guide sliding slot 17 through the connecting rod 14, the adjusting plate 12 drives the adjusting ring 11 to move, so that the size and the air outlet angle of the air outlet 10 are changed, and the cooling effect is flexibly adjusted.

[0031] The utility model and its implementation mode are described above, and the description is not restrictive. The embodiment shown in the specific embodiment is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A cooling mechanism for a film blowing machine, comprising a refrigeration fan (1) and a wind guide ring (2), one side of the refrigeration fan (1) is connected with the wind guide ring (2) through a connecting pipe (3), characterized in that: The inner side of the air guide ring (2) is provided with a cooling ring (4) in concentric, and the air guide ring (2) and the cooling ring (4) are fixedly connected through a plurality of support columns (5), and the top of the cooling ring (4) is buckled with an extension cover (6); The inside of the air guide ring (2) is connected with the cooling ring (4) through a plurality of air guide channels (7), the inside of the cooling ring (4) is a hollow structure of an air guide cavity (8), and the inner side of the bottom of the cooling ring (4) is provided with an air guide plate (9) in an inclined manner, and the inner side of the air guide plate (9) is communicated with the air guide cavity (8) to form an annular air outlet (10); The air outlet (10) is provided with an adjusting ring (11), the upper two sides of the adjusting ring (11) are connected with adjusting plates (12), the extension cover (6) is provided with an adjusting groove (13) on one side of the adjusting plate (12), and the adjusting plate (12) is connected with an electric telescopic cylinder (15) through a connecting rod (14) penetrating the adjusting groove (13).

2. The cooling mechanism according to claim 1, characterized in that: The height of the cooling ring (4) is less than or equal to the height of the air guide ring (2), and the upper side of the cooling ring (4) is provided with a sealing table (16) inserted with the extension cover (6).

3. The cooling mechanism according to claim 1, characterized in that: The plurality of air guide channels (7) and the plurality of support columns (5) are arranged at equal angles between the air guide ring (2) and the cooling ring (4).

4. The cooling mechanism according to claim 1, characterized in that: The connection between the plurality of air guide channels (7) and the cooling ring (4) is located above the air guide cavity (8) in the cooling ring (4), and is perpendicular to the air guide cavity (8), and the air guide cavity (8) is provided with a 45-degree chamfer on the side opposite to the plurality of air guide channels (7).

5. The cooling mechanism according to claim 1, characterized in that: The air guide plate (9) is an annular structure matching the shape inside the cooling ring (4), and the inner diameter of the air guide plate (9) gradually decreases from bottom to top.

6. The cooling mechanism according to claim 1, characterized in that: The inner side of the extension cover (6) and the cooling ring (4) is provided with a corresponding guide sliding groove (17) at the adjusting plate (12), and the adjusting groove (13) is located at the guide sliding groove (17).

7. The cooling mechanism according to claim 1, characterized in that: When the adjusting plate (12) is located at the lowermost of the adjusting groove (13) through the connecting rod (14) on one side, the height of the adjusting plate (12) above the connecting rod (14) is greater than the adjusting height of the adjusting groove (13), so that the adjusting groove (13) is sealed by the adjusting plate (12) during use.

8. The cooling mechanism according to claim 1, characterized in that: The electric telescopic cylinder (15) is arranged in parallel with the direction of the adjusting groove (13).