Gradient dielectric cooling air ring for film blowing machine
By designing an adjustable-height support frame and inner and outer cooling air ring components, the problems of low cooling efficiency and poor stability of the gradient dielectric cooling air ring in the blown film machine were solved, achieving a highly efficient and stable air-cooling effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-03-03
AI Technical Summary
The existing gradient dielectric cooling air ring of blown film machine has problems of low cooling efficiency and poor air cooling stability.
A gradient dielectric cooling ring is designed, comprising a support frame, mounting components, and a cooling ring docking assembly. The support frame is height-adjustable to improve installation adaptability, and air cooling is achieved simultaneously through the inner and outer cooling rings.
It achieves high-efficiency air-cooling and improves the stability of air-cooling.
Smart Images

Figure CN223961719U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of blown film machine technology, and more specifically, to a gradient dielectric cooling air ring for a blown film machine. Background Technology
[0002] A blown film machine heats and melts plastic particles and then blows them into a thin film. There are many types of blown film machines, including those for PE, POF, and PVC. Films blown from brand-new particles are made from virgin materials, have uniform color, are clean, and stretch well in bags.
[0003] Existing blown film machines require a gradient dielectric cooling air ring to be installed inside the machine to cool the material after the blown film is produced. However, existing blown film machines can only perform internal unidirectional cooling, resulting in limited room for improvement in cooling efficiency and poor air cooling stability. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a gradient dielectric cooling air ring for a blown film machine to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a gradient dielectric cooling air ring for a blown film machine, comprising a support frame, wherein a gradient dielectric cooling air ring mounting auxiliary device is provided at the upper end of the support frame, the gradient dielectric cooling air ring mounting auxiliary device comprising: a mounting component and a cooling air ring docking component, wherein the lower end of the mounting component is provided at the upper end of the support frame.
[0006] In a preferred embodiment, the mounting assembly includes: a blown film outer protective cover, a blown film machine body, a mounting block, a lower assembly column, an upper assembly column, a limiting groove, a limiting block, and a positioning threaded sleeve.
[0007] In a preferred embodiment, the cooling air ring docking assembly includes: an inner electric cooling air ring, an outer electric cooling air ring, and a protective chamber tube, wherein the protective chamber tube is located inside the outer protective cover of the blown film.
[0008] In a preferred embodiment, the lower end of the lower assembly column is installed on the upper front side of the support frame, the limiting groove is opened inside the upper end of the lower assembly column, the lower end of the limiting block is detachably installed inside the limiting groove, and the upper end of the limiting block is installed on the lower end of the upper assembly column.
[0009] In a preferred embodiment, the outer wall of the mounting block is mounted on the upper front side of the support frame, the inner side of the front side of the mounting block is mounted on the upper side outer wall of the blown film machine body, and the positioning threaded sleeve is detachably mounted on the outer walls of the lower assembly column and the upper assembly column.
[0010] In a preferred embodiment, the lower end of the internal electric cooling fan ring is installed inside the lower end of the protective compartment tube.
[0011] In a preferred embodiment, the support frame is provided in three sets, and the three sets of support frames are the same size and model, and all three sets of support frames are L-shaped.
[0012] The technical effects and advantages of this utility model are as follows:
[0013] A gradient dielectric cooling air ring for a blown film machine, compared with the prior art, allows for installation work by selecting a support frame of appropriate height before installation. The adjustable installation height of the support frame greatly improves the installation adaptability of the blown film machine body set on the upper inner side. When the upper part of the blown film machine is cooled by air cooling from both inside and outside, high-efficiency cooling is achieved while further improving the air cooling stability of the entire device. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0015] Figure 2 This is a schematic diagram of the auxiliary device for installing the gradient dielectric cooling air ring of this utility model.
[0016] Figure 3 This is a schematic diagram of the installation component structure of this utility model.
[0017] Figure 4 This is a schematic diagram of the cooling air ring docking assembly of this utility model.
[0018] The attached figures are labeled as follows: 1. Support frame; 2. Gradient dielectric cooling air ring installation auxiliary device; 21. Installation component; 211. Upper assembly column; 212. Limiting block; 213. Positioning threaded sleeve; 214. Lower assembly column; 215. Limiting groove; 216. Installation block; 217. Blown film machine body; 218. Blown film outer protective cover; 22. Cooling air ring docking assembly; 221. Protective tube; 222. Internal electric cooling air ring; 223. External electric cooling air ring. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] As attached Figure 1-4As shown, this utility model provides a gradient dielectric cooling air ring for a blown film machine, including a support frame 1. The upper end of the support frame 1 is provided with a gradient dielectric cooling air ring installation auxiliary device 2. The gradient dielectric cooling air ring installation auxiliary device 2 includes: an installation component 21 and a cooling air ring docking component 22. The lower end of the installation component 21 is provided on the upper end of the support frame 1.
[0021] The mounting assembly 21 includes: a blown film outer protective cover 218, a blown film machine body 217, a mounting block 216, a lower assembly column 214, an upper assembly column 211, a limiting groove 215, a limiting block 212, and a positioning threaded sleeve 213. The lower end of the lower assembly column 214 is mounted on the upper front side of the support frame 1. The limiting groove 215 is opened inside the upper end of the lower assembly column 214. The lower end of the limiting block 212 is detachably mounted inside the limiting groove 215. The upper end of the limiting block 212 is mounted on the lower end of the upper assembly column 211. The outer wall of the mounting block 216 is mounted on the upper front side of the support frame 1. The inner front side of the mounting block 216 is mounted on the outer side wall of the upper side of the blown film machine body 217. The positioning threaded sleeve 213 is detachably mounted on the outer walls of the lower assembly column 214 and the upper assembly column 211.
[0022] The cooling air ring docking assembly 22 includes: an inner electric cooling air ring 222, an outer electric cooling air ring 223, and a protective chamber tube 221. The protective chamber tube 221 is opened inside the outer protective cover 218 of the blown film. The lower end of the inner electric cooling air ring 222 is installed inside the lower end of the protective chamber tube 221. The support frame 1 is provided in three sets, and the three sets of support frames 1 are the same size and model. All three sets of support frames 1 are L-shaped.
[0023] The specific implementation method is as follows: When using this utility model, the inner electric cooling air ring 222 and the outer electric cooling air ring 223 need to be opened first. After the inner electric cooling air ring 222 and the outer electric cooling air ring 223 are opened, the inner and outer walls of the film can be cooled by air in sequence. Before using the installation component 21, the three sets of support frames 1 need to be installed. Before the support frame 1 is installed, the support frame 1 of a suitable height can be selected for installation. The installation height of the support frame 1 can be adjusted, which greatly improves the installation adaptability of the blown film machine body 217 set on the inner side of the upper end. When the upper end of the blown film equipment is cooled by air cooling from both inside and outside at the same time, high-efficiency cooling is achieved, and the air cooling stability of the entire device is further improved.
[0024] The working principle of this utility model is as follows: When using this utility model, the inner electric cooling air ring 222 and the outer electric cooling air ring 223 need to be turned on first. After the inner electric cooling air ring 222 and the outer electric cooling air ring 223 are turned on, the inner and outer walls of the film can be cooled by air in sequence. Before using the installation component 21, the three sets of support frames 1 need to be installed. Before the support frame 1 is installed, the support frame 1 of a suitable height can be selected for installation. The installation height of the support frame 1 can be adjusted, which greatly improves the installation adaptability of the blown film machine body 217 set on the inner side of the upper end. The upper part of the blown film machine is cooled by air cooling from both inside and outside at the same time.
[0025] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.
[0026] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.
[0027] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A gradient dielectric cooling air ring for a film blowing machine comprising a support frame (1), characterized in that: The support frame (1) is provided with a gradient dielectric cooling air ring installation auxiliary device (2) at the upper end. The gradient dielectric cooling air ring installation auxiliary device (2) comprises an installation assembly (21) and a cooling air ring butt joint assembly (22), and the lower end of the installation assembly (21) is arranged at the upper end of the support frame (1).
2. A gradient dielectric cooling air ring for a film blowing machine according to claim 1, characterized in that: The installation assembly (21) comprises a film blowing outer protective cover (218), a film blowing machine body (217), an installation block (216), a lower assembly column (214), an upper assembly column (211), a limiting groove (215), a limiting block (212) and a positioning threaded sleeve (213).
3. A gradient dielectric cooling air ring for a film blowing machine as defined in claim 2, characterized in that: The cooling air ring butt joint assembly (22) comprises an inner electric cooling air ring (222), an outer electric cooling air ring (223) and a protective warehouse pipe (221), and the protective warehouse pipe (221) is arranged inside the film blowing outer protective cover (218).
4. A gradient dielectric cooling air ring for a film blowing machine as defined in claim 2, wherein: The lower end of the lower assembly column (214) is arranged at the front upper end of the support frame (1), the limiting groove (215) is arranged inside the upper end of the lower assembly column (214), the lower end of the limiting block (212) is detachably arranged inside the limiting groove (215), and the upper end of the limiting block (212) is arranged at the lower end of the upper assembly column (211).
5. A gradient dielectric cooling air ring for a film blowing machine as defined in claim 2, wherein: The outer wall of the installation block (216) is arranged at the upper end of the support frame (1), the front inner side of the installation block (216) is arranged at the upper end of the outer wall of the film blowing machine body (217), and the positioning threaded sleeve (213) is detachably arranged at the outer walls of the lower assembly column (214) and the upper assembly column (211).
6. A gradient dielectric cooling air ring for a film blowing machine as defined in claim 3, wherein: The lower end of the inner electric cooling air ring (222) is arranged inside the lower end of the protective warehouse pipe (221).
7. A gradient dielectric cooling air ring for a film blowing machine as defined in claim 1, wherein: The support frame (1) is provided with three groups, and the three groups of support frames (1) are of the same size, and the three groups of support frames (1) are all L-shaped.