Air ring of film blowing machine

Abstract

The utility model relates to a film blowing machine air ring which comprises a shell, an air inlet is formed in the periphery of the shell, the shell comprises an upper shell and a lower shell, a first embedded groove is formed in the top of the lower shell, a blade plate is embedded in the first embedded groove, a first cavity is formed between the blade plate and the upper shell, and a second cavity is formed between the blade plate and the lower shell. A first cavity is formed between the blade plate and the upper shell, a second cavity is formed between the blade plate and the lower shell, a plurality of air outlet pipelines are arranged at the top of the upper shell, a plurality of air inlet pipelines are arranged at the bottom of the lower shell, the first cavity is communicated with the second cavity, the air outlet pipelines are communicated with the first cavity, the air inlet pipelines are communicated with the second pipeline, and the air inlet is located in the bottom of the lower shell. Air flow can be conveniently introduced; the air outlet is formed in the top of the upper shell, it is ensured that airflow can evenly cover the film, the utilization rate of the airflow is increased, and the airflow can pass through a precise path and be controlled when entering and flowing out of the air ring due to the fact that the upper shell, the lower shell and the blade plates are arranged in an embedded mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic film production equipment, and specifically relates to a wind ring of a film blowing machine. BACKGROUND

[0002] The wind ring of the film blowing machine is an important component of the film blowing machine, and its main function is to uniformly blow air to the film, so that the film can be quickly cooled and solidified. The wind ring is usually composed of an air outlet, an air inlet, an adjusting mechanism and the like, and by accurately controlling the direction and intensity of the air flow, the temperature and speed of the film during the forming process are uniformly controlled. The wind ring is also equipped with a height adjusting assembly, which can adjust the height of the wind ring according to different production requirements to adapt to the production of films of different thicknesses and materials. The whole structure is compact and easy to adjust, and is a key component to ensure the quality and efficiency of film production.

[0003] The wind ring has a long service life, and the wind ring is disclosed in the publication No. CN212242119U, which comprises a wind ring body, an outer air ring fixedly connected in the inner cavity of the wind ring body, an inner air ring fixedly connected in the inner cavity of the wind ring body, the inner air ring located inside the outer air ring, an air outlet chamber fixedly connected to the outer side of the wind ring body, the air outlet chamber and the wind ring body being in communication, an air outlet pipe fixedly connected to the outer side of the air outlet chamber, and a rust-proof layer, an epoxy coal tar coating layer, a polyurethane coating layer and a melamine coating layer cooperatively used. The wind ring has a long service life, but the air flow path of the wind ring is complex, and the utilization rate of the air flow circulating in the wind ring is low, which causes poor cooling effect of the air cooler, thereby affecting the efficiency and quality of film forming. Therefore, the technology still has certain improvement space. SUMMARY

[0004] The technical problem to be solved by the utility model lies in providing a wind ring of a film blowing machine in view of the deficiencies of the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, a wind ring of a film blowing machine, which comprises a shell, characterized in that: the shell comprises an upper shell and a lower shell, the lower shell is provided with an embedded groove at the top, a vane plate is arranged in the embedded groove, a first cavity is formed between the vane plate and the upper shell, a second cavity is formed between the vane plate and the lower shell, a plurality of air outlet pipes are arranged at the top of the upper shell, a plurality of air inlet pipes are arranged at the bottom of the lower shell, the first cavity and the second cavity are communicated, the air outlet pipes are communicated with the first cavity, and the air inlet pipes are communicated with the second pipes.

[0006] By adopting the technical scheme, the upper shell and the lower shell and the inner embedding of the leaf plate are arranged, first and second cavities are formed, the airflow can pass through an accurate path and be controlled when entering and flowing out of the air ring, the air inlet is arranged at the bottom of the lower shell, the airflow is introduced conveniently, the air outlet is arranged at the top of the upper shell, the airflow can uniformly cover the film, the utilization rate of the airflow is improved, the cooling effect is enhanced, the quality and production efficiency of the film are improved, the first and second cavities are communicated, and the air outlet pipeline and the first cavity and the air inlet pipeline and the second cavity are reasonably arranged, the stable flow and uniform distribution of the airflow in the air ring are further ensured, and therefore the stability of the film blowing process and the quality of the film forming are improved.

[0007] The air ring of the film blowing machine can be further provided with a fixing ring arranged around the lower shell, a second embedding groove arranged at the bottom of the upper shell, and the fixing ring is embedded in the second embedding groove to facilitate the rotational connection of the upper shell and the lower shell.

[0008] By adopting the technical scheme, the air ring of the film blowing machine is connected with the equipment through the cooperation of the fixing ring around the lower shell and the second embedding groove at the bottom of the upper shell, the lower shell is fixed with the equipment, the upper shell rotates with the equipment, the overall structural stability of the air ring is improved, the sealing property and consistency of the airflow path in the film blowing process are ensured, the relative displacement of the upper and lower shells under the impact of the airflow or mechanical vibration is prevented by the fixing ring, the airflow can uniformly pass through the air ring according to the designed path and speed, and the efficient and uniform cooling of the film is realized.

[0009] The air ring of the film blowing machine can be further provided with an inner connecting ring arranged in the lower shell, a mounting boss arranged at the bottom of the inner connecting ring, the mounting boss being in a stepped shape, a mounting plate arranged in the mounting boss, a third embedding groove arranged at the inner side of the mounting plate, and a fixing plate arranged in the third embedding groove and fixed with the external equipment.

[0010] By adopting the technical scheme, the air ring of the film blowing machine is connected with the external equipment through the cooperation of the stepped mounting boss on the inner connecting ring of the lower shell and the mounting plate and the third embedding groove, the stable connection of the external equipment is realized, the connection process of the air ring and the external equipment is simplified, the tightness and reliability of the connection are ensured, the stepped mounting boss provides stable support and prevents the equipment from loosening or shifting during operation, the accurate matching of the mounting plate and the third embedding groove further enhances the stability of the connection, and the air ring can stably work in the film blowing process, the uniformity of the airflow and the quality of the film forming are ensured.

[0011] The air outlet pipeline of the film blowing machine air ring can be further provided as: the air outlet pipeline comprises an air outlet end and a first connecting end fixedly connected with the upper shell, connecting ears are arranged on both sides of the first connecting end, the first connecting end is fixedly connected with the top of the upper shell through the connecting ears, and the air outlet end and the first connecting end are bent to form a "7" shape.

[0012] According to the technical scheme, the air outlet pipeline of the film blowing machine air ring is designed in a "7" shape, the air outlet end and the first connecting end are bent to realize accurate guiding and uniform distribution of the airflow, the airflow can be blown out at an angle and position that is more suitable for film forming, the cooling effect of the airflow on the film is enhanced, the connecting ears ensure stable connection of the air outlet pipeline and the upper shell, prevent shaking or falling of the pipeline during film blowing, and ensure stability of the airflow path, the "7" shaped air outlet pipeline is convenient for adjusting the direction and intensity of the airflow according to actual production requirements, flexibility and adaptability of the equipment are improved, and requirements of different film forming processes are better met.

[0013] The air inlet pipeline of the film blowing machine air ring can be further provided as: the air inlet pipeline comprises a second connecting end fixedly connected with the bottom of the lower shell and an air inlet end, and the second connecting end is provided with a connecting boss.

[0014] According to the technical scheme, the second connecting end is fixedly connected with the bottom of the lower shell, and the connecting boss is arranged, so that stable installation and accurate positioning of the air inlet pipeline are realized, the air inlet pipeline is prevented from being displaced due to vibration or airflow impact during film blowing, and it is ensured that the airflow can smoothly and uniformly enter the air ring, the connecting boss enhances the connection strength between the pipeline and the lower shell, prevents loosening and air leakage, and thus improves the working efficiency of the air ring and the quality of film forming.

[0015] The film blowing machine air ring can be further provided as: a sealing groove is arranged on the periphery of the lower shell, a sealing plate is arranged in the sealing groove, and the sealing groove and the sealing plate are arranged in the second inner embedding groove of the upper shell.

[0016] According to the technical scheme, the film blowing machine air ring realizes efficient sealing between the air ring and the upper shell through cooperation of the sealing groove on the periphery of the lower shell and the sealing plate, effectively prevents leakage of the airflow during film blowing, ensures that the airflow can uniformly pass through the air ring according to a predetermined path and speed, improves the quality of film forming, the sealing groove and the sealing plate enhance the overall sealing property of the air ring, reduce interference of external factors on the film forming process, and improve the stability and efficiency of production.

[0017] The utility model discloses a beneficial effect: air inlet is located the bottom of lower shell, and it is convenient for introducing airflow, and air outlet is set up at the top of upper shell, and it is ensured that airflow can evenly cover to the film, and the utilization of airflow has been improved, and the inlay setting of upper shell and lower shell and lamella makes airflow can pass accurate path and control when entering and flowing out air ring. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is structural schematic drawing of the utility model;

[0019] Fig. 2 It is sectional structure drawing of the utility model;

[0020] Fig. 3 It is structural explosion drawing of the utility model;

[0021] Fig. 4 It is upper shell structure drawing of the utility model;

[0022] Fig. 5 It is lower shell structure drawing of the utility model;

[0023] Fig. 6 It is mounting plate structure drawing of the utility model;

[0024] Label annotation: 1 - shell, 2 - upper shell, 3 - lower shell, 4 - first inlay groove, 5 - lamella, 6 - first cavity, 7 - second cavity, 8 - air outlet pipeline, 9 - air inlet pipeline, 10 - fixed ring, 11 - second inlay groove, 12 - connecting ring, 13 - mounting boss, 14 - mounting plate, 15 - third inlay groove, 16 - fixed plate, 17 - air outlet end, 18 - first connecting end, 19 - connecting lug, 20 - second connecting end, 21 - air inlet end, 22 - connecting boss, 23 - sealing groove, 24 - sealing plate. DETAILED DESCRIPTION

[0025] The embodiment is only the explanation of the utility model, and it is not the limitation of the utility model, and the person skilled in the art can make the modification of no creative contribution according to the need after reading the present specification, but as long as in the right claim range of the utility model, it is protected by patent law.

[0026] As Figs. 1-6The utility model provides the following technical scheme, a kind of air ring of film blowing machine, including shell 1, shell 1 includes upper shell 2, lower shell 3, lower shell 3 top is equipped with inner embedding groove, inner embedding groove is inlayed with vane plate 5, vane plate 5 and upper shell 2 between form first cavity 6, vane plate 5 and lower shell 3 between form second cavity 7, upper shell 2 top is equipped with several air outlet duct 8, lower shell 3 bottom is equipped with several air inlet duct 9, first cavity 6, second cavity 7 are communicated, air outlet duct 8 and first cavity 6 are communicated, air inlet duct 9 and second duct are communicated, the inlayed setting of upper shell 2 and lower shell 3 and vane plate 5, form first cavity 6 and second cavity 7, so that airflow can pass through accurate path and control when entering and flowing out air ring, air inlet is located at lower shell 3 bottom, it is convenient to introduce airflow;While air outlet is set in upper shell 2 top, ensure that airflow can evenly cover to film, improve the utilization of airflow, also strengthen cooling effect, help to promote the quality and production efficiency of film, the communication of first cavity 6 and second cavity 7 and the reasonable layout of air outlet duct 8 and first cavity 6, air inlet duct 9 and second cavity 7, further ensure the stable flow and uniform distribution of airflow in air ring, to improve the stability of film blowing process and the quality of film forming, lower shell 3 outer periphery is equipped with fixed ring 10, upper shell 2 bottom is provided with second inner embedding groove 11, fixed ring 10 is inlayed installed in second inner embedding groove 11 to promote upper shell 2, lower shell 3 rotationally connects, air ring of film blowing machine is through the cooperation of fixed ring 10 of lower shell 3 outer periphery and the second inner embedding groove 11 of upper shell 2 bottom, promote upper shell 2, lower shell 3 can be rotationally connected, when air ring is connected with equipment, lower shell 3 is fixed with equipment, upper shell 2 is rotated with equipment, improve the overall structural stability of air ring, also ensure the sealing and consistency of airflow path in film blowing process, fixed ring 10 effectively prevents the relative displacement of upper and lower shell 3 under the impact of airflow or mechanical vibration, to ensure that airflow can pass through air ring uniformly according to the designed path and speed, to realize the efficient, uniform cooling of film, lower shell 3 includes inner connecting ring 12, inner connecting ring 12 bottom is equipped with mounting boss 13, mounting boss 13 is in ladder shape, mounting boss 13 is installed with mounting plate 14, the inboard of mounting plate 14 is equipped with third inner embedding groove 15, third inner embedding groove 15 is equipped with fixed plate 16 fixed with external equipment, air ring of film blowing machine is through the ingenious cooperation of ladder-shaped mounting boss 13 on the inner connecting ring 12 of lower shell 3 and mounting plate 14 and third inner embedding groove 15, realizes the stable installation of external equipment, simplifies the connection process of air ring and external equipment, also ensure the tightness and reliability of connection, ladder-shaped mounting boss 13 provides stable support, prevents the loosening or displacement of equipment during operation, the accurate matching of mounting plate 14 and third inner embedding groove 15, further enhance the stability of connection, so that air ring can stably work in film blowing process, ensure the uniformity of airflow and the quality of film forming.

[0027] As Figs. 1-6 The utility model provides the following technical scheme, a blowing film machine wind ring, air outlet pipeline 8 includes air outlet end 17 and with the first connecting end 18 of upper casing 2 fixed connection, first connecting end 18 both sides are equipped with connecting lug 19, first connecting end 18 passes through connecting lug 19 and upper casing 2 top fixed connection, air outlet end 17 and first connecting end 18 curved setting promotes air outlet pipeline 8 into " 7 " character, the air outlet pipeline 8 of blowing film machine wind ring is designed into " 7 " character, through the curved setting of air outlet end 17 and first connecting end 18, realized the accurate direction of airflow and even distribution, make the airflow can be with more conforming to the angle and position of film forming demand blow out, still enhanced the cooling effect of airflow to film, connecting lug 19 has guaranteed the stable connection of air outlet pipeline 8 and upper casing 2, prevented the sway or drop of pipeline in the blowing film process, guarantee the stability of airflow path, " 7 " character air outlet pipeline 8 still convenient according to actual production demand adjustment airflow's direction and intensity, improved the flexibility and adaptability of equipment, to better satisfy the requirement of different film forming process, air inlet pipeline 9 includes with the second connecting end 20 of lower casing 3 bottom fixed connection and air inlet end 21, second connecting end 20 is equipped with connecting boss 22, second connecting end 20 passes through connecting boss 22 and lower casing 3 bottom fixed connection, through the fixed connection of second connecting end 20 and lower casing 3 bottom and the ingenious setting of connecting boss 22, realized the stable installation and accurate positioning of air inlet pipeline 9, ensured that air inlet pipeline 9 will not shift in the blowing film process due to vibration or airflow impact, also guarantee that airflow can smoothly, evenly enter the wind ring, the existence of connecting boss 22 enhanced the connecting strength between pipeline and lower casing 3, prevented the occurrence of loosening and air leakage phenomenon, thereby improved the working efficiency of wind ring and the quality of film forming, the outer periphery of lower casing 3 is equipped with sealing groove 23, sealing groove 23 is equipped with sealing plate 24, sealing groove 23, sealing plate 24 are placed in the second inner embedded groove 11 of upper casing 2, blowing film machine wind ring realizes the efficient sealing between wind ring and upper casing 2 through the cooperation of sealing groove 23 and sealing plate 24 of lower casing 3 outer periphery, effectively prevented the leakage of airflow in the blowing film process, also ensured that airflow can evenly pass through wind ring according to the predetermined path and speed, thereby improved the quality of film forming, the setting of sealing groove 23 and sealing plate 24 enhanced the overall sealing of wind ring, reduced the interference of external factors to the film forming process, improved the stability and efficiency of production.

[0028] The utility model has the advantages that: the air inlet is located at the bottom of the lower casing, which is convenient for introducing airflow; the air outlet is arranged at the top of the upper casing, which ensures that the airflow can uniformly cover the film and improves the utilization rate of airflow; the inner embedding of the upper casing, the lower casing and the leaf plate enables the airflow to pass through an accurate path and be controlled when entering and flowing out of the wind ring.

Claims

1. A blow film machine air ring comprising a housing, characterised in that: The shell comprises an upper shell and a lower shell, the top of the lower shell is provided with a first embedded groove, a vane plate is embedded in the first embedded groove, the vane plate and the upper shell form a first cavity, the vane plate and the lower shell form a second cavity, the top of the upper shell is provided with a plurality of air outlet pipes, the bottom of the lower shell is provided with a plurality of air inlet pipes, the first cavity and the second cavity are communicated, the air outlet pipes are communicated with the first cavity, and the air inlet pipes are communicated with the second pipes.

2. A blow ring for a film blowing machine according to claim 1, characterized in that: The lower shell is provided with a fixing ring, the bottom of the upper shell is provided with a second embedded groove, and the fixing ring is embedded and installed in the second embedded groove to facilitate the rotary connection of the upper shell and the lower shell.

3. A blow ring for a film blowing machine according to claim 2, characterised in that: The lower shell comprises an inner connecting ring, the bottom of the inner connecting ring is provided with a mounting boss, the mounting boss is in a stepped shape, a mounting plate is mounted in the mounting boss, the inner side of the mounting plate is provided with a third embedded groove, and a fixing plate for fixing external equipment is arranged in the third embedded groove.

4. A blow ring for a film blowing machine according to any one of claims 1 to 3, characterized in that: The air outlet pipe comprises an air outlet end and a first connecting end fixedly connected with the upper shell, connecting ears are arranged on both sides of the first connecting end, the first connecting end is fixedly connected with the top of the upper shell through the connecting ears, and the air outlet end and the first connecting end are bent to form a "7" shape.

5. A blow ring for a film blowing machine according to claim 4, characterised in that: The air inlet pipe comprises a second connecting end fixedly connected with the bottom of the lower shell and an air inlet end, the second connecting end is provided with a connecting boss, and the second connecting end is fixedly connected with the bottom of the lower shell through the connecting boss.

6. A blow ring for a film blowing machine according to claim 5, characterised in that: The outer periphery of the lower shell is provided with a sealing groove, the sealing groove is provided with a sealing plate, and the sealing groove and the sealing plate are arranged in the second embedded groove of the upper shell.

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