CN112406110A - Method for forming air bag for sonobuoy and sealing structure thereof - Google Patents

Method for forming air bag for sonobuoy and sealing structure thereof Download PDF

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Publication number
CN112406110A
CN112406110A CN202011182835.5A CN202011182835A CN112406110A CN 112406110 A CN112406110 A CN 112406110A CN 202011182835 A CN202011182835 A CN 202011182835A CN 112406110 A CN112406110 A CN 112406110A
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CN
China
Prior art keywords
sealing
airbag
sealing ring
air bag
pressing plate
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Granted
Application number
CN202011182835.5A
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Chinese (zh)
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CN112406110B (en
Inventor
卢万崎
赵富春
鲁宏捷
王捍伟
王勇
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Luoyang Institute of Electro Optical Equipment AVIC
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Luoyang Institute of Electro Optical Equipment AVIC
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Priority to CN202011182835.5A priority Critical patent/CN112406110B/en
Publication of CN112406110A publication Critical patent/CN112406110A/en
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Publication of CN112406110B publication Critical patent/CN112406110B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802Positioning the parts to be joined, e.g. aligning, indexing or centring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B22/00Buoys
    • B63B22/22Inflatable buoys with gas generating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/06Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Air Bags (AREA)

Abstract

The invention discloses a method for forming an air bag for a sonobuoy, belongs to the technical field of air bag manufacturing methods, and solves the technical problems of high manufacturing cost and low yield of the prior art. The method comprises the following steps of S101, cutting an airbag capsule piece and a sealing ring from a thermoplastic resin film material, and forming holes with preset sizes in the central areas of the airbag capsule piece and the sealing ring; and S102, aligning the airbag flap with a hole with a preset size in the central area of the sealing ring, carrying out hot-pressing fusion on the airbag flap and the sealing ring by using a cycle machine to form an airbag end face sealing part, symmetrically folding the airbag flap, aligning two side edges, and carrying out hot-pressing by using a high-frequency cycle machine to obtain the airbag. The invention is used for simplifying the manufacturing process of the air bag for the sonobuoy, reducing the manufacturing cost and improving the yield.

Description

Method for forming air bag for sonobuoy and sealing structure thereof
Technical Field
The invention belongs to the technical field of manufacturing methods of air bags, and relates to a method for forming an air bag for a sonobuoy and a sealing structure of the air bag.
Background
The sonar buoy is activated when meeting water after being thrown into water, and the air bag is inflated to enable the underwater extension of the buoy to float out of the water surface and float out of the water surface. The water extension of the buoy consists of an air bag and a water surface electronic cabin which are hermetically connected together, and the inside of the water extension is communicated with the inside of the water surface electronic cabin. The sealing connection process between the air bag and the water surface electronic cabin is one of important factors influencing the air tightness of the buoy water extension machine. The traditional air bag for the sonobuoy is composed of a plurality of air bag pieces, and is formed by processing 4 or more processing procedures on a high-frequency cycle machine, the phenomenon of sparking can occur in the processing procedure to cause the loss of an air bag compression joint die, the phenomenon of sparking occurs in any one of the processing procedures, the product is scrapped, the yield is low, and the manufacturing cost is high.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a method for forming an air bag for a sonobuoy, which solves the technical problems of more working procedures, high manufacturing cost and low yield in the prior art. The technical scheme of the scheme has a plurality of technical beneficial effects, which are described as follows:
the scheme provides a method for forming an air bag for a sonobuoy, which comprises the following steps:
s101, cutting an airbag capsule piece and a sealing ring from a thermoplastic resin film material, wherein holes with preset sizes are formed in the central areas of the airbag capsule piece and the sealing ring, and the size of the sealing ring is larger than that of the preset holes in the central area of the airbag capsule piece;
and S102, aligning the airbag flap with a hole with a preset size in the central area of the sealing ring, carrying out hot-pressing fusion on the airbag flap and the sealing ring by using a cycle machine to form an airbag end face sealing part, symmetrically folding the airbag flap, aligning two side edges, and carrying out hot-pressing by using the cycle machine to form the airbag.
The air bag capsule plate and the sealing ring are made of thermoplastic resin film materials, for example, polyurethane film materials, so that the air bag capsule plate and the sealing ring are good in sealing performance and easy to process and manufacture. The method only has two processing procedures, reduces the manufacturing cost and improves the yield.
In a preferred or alternative embodiment, the method in S101 includes forming the airbag flap from a polyurethane film material; the body is arranged in a reducing structure with a wide middle and narrow two ends, and the structure is easy for forming the air bag.
In another aspect, a sealing structure is provided, which includes an airbag, a pressing plate, a sealing flange and screws, all or part of which are manufactured by the above methods, wherein the sealing ring, the pressing plate and the sealing flange at the sealing position of the end face of the airbag are provided with threaded holes at corresponding positions, and wherein:
the pressing plate is placed in the air bag, and the sealing ring and the pressing plate are placed on the sealing flange;
and the screw penetrates through the sealing flange, the sealing ring and the pressing plate in sequence to be sealed and fixed.
The structure solves the problems of complex process, low process qualification rate and reliability, higher cost, poor maintainability and poor interconversion of the aeronautical sonar buoy air bag and the sealing connection between the aerosonar buoy air bag and the water surface sealed cabin in the prior art. The air bag sealing flange structure has the advantages that the air bag processing cost can be effectively reduced, the reliability of sealing connection between the air bag and the water surface electronic cabin sealing flange is improved, the process is simple, the cost is low, and the air bag can be conveniently repaired or replaced. The sealing device has the advantages of simple structure, simple process, convenient operation, labor and time saving, capability of realizing reliable sealing between the air bag and the sealing flange of the water surface electronic cabin, realization of standardized operation and effective reduction of the influence of human factors in the processing process.
In a preferred or alternative embodiment, the sealing ring is provided with a groove for placing the sealing ring.
In a preferred or alternative embodiment, the height of the groove is the same as the thickness of the sealing ring.
In a preferred or alternative embodiment, the sealing ring has a thickness greater than the thickness of the balloon.
In a preferred or alternative embodiment, the number of threaded holes is 8 and the threaded holes are arranged at equal intervals.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the air bag flap and the sealing ring are made of thermoplastic resin film material, such as polyurethane film material, and have good sealing performance and easy processing and manufacturing. The airbag is formed by aligning the airbag capsule and a preset size hole in the central area of the sealing ring, performing hot-pressing fusion on the airbag capsule and the sealing ring by using a cycle machine to form an airbag end face sealing part, symmetrically folding the airbag capsule, aligning edges of two sides, and performing hot-pressing by using the cycle machine.
The structure that the present case provided can overcome prior art aviation sonar buoy gasbag and with the sticky sealing connection process between the surface of water sealed cabin complicated, process qualification rate and reliability low, with higher costs, maintainability and the poor problem of interconversion. The air bag sealing flange structure has the advantages that the air bag processing cost can be effectively reduced, the reliability of sealing connection between the air bag and the water surface electronic cabin sealing flange is improved, the process is simple, the cost is low, and the air bag can be conveniently repaired or replaced. The sealing device has the advantages of simple structure, simple process, convenient operation, labor and time saving, reliable sealing between the air bag and the sealing flange of the water surface electronic cabin, realization of standardized operation of mechanical assembly, and effective reduction of influence of human factors in the process of adhesive sealing connection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the construction of an air bag flap and a sealing ring according to the present invention;
FIG. 2 is a schematic view of the assembled seal of the present invention;
FIG. 3 is a schematic view of the seal of the present invention prior to assembly;
wherein:
1. an air bag flap; 2. a seal ring; 3. pressing a plate; 4. sealing the flange; 5. a screw; 11. an aperture; 41. a groove; 100. an air bag.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in practical implementation, and the type, quantity and proportion of the components in practical implementation can be changed freely, and the layout of the components can be more complicated.
In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that aspects may be practiced without these specific details. In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
A method of forming an air bag for a sonobuoy as shown in fig. 1, the method comprising:
s101, manufacturing an airbag capsule sheet 1 and a sealing ring 2 by using a thermoplastic resin film material, and forming a hole 11 with a preset size in the central area;
and S102, aligning the central areas of the airbag flap 1 and the sealing ring 2 with preset size holes, performing hot-pressing fusion on the two by using a cycle machine to form an end face sealing part of the airbag 100, symmetrically folding the airbag flap 1, aligning two side edges, and performing hot-pressing by using the cycle machine to obtain the airbag.
As a specific implementation mode provided by the scheme, the method in the S101 comprises the steps that the airbag capsule 1 and the sealing ring 2 are made of polyurethane film materials; the airbag capsule 1 is arranged in a reducing structure with a wide middle part and narrow ends.
The central areas of the airbag capsule sheet 1 and the sealing ring 2 are aligned with a preset size hole, the airbag capsule sheet 1 and the sealing ring 2 are subjected to hot-press welding by using a cycle machine to form an end face sealing part of the airbag 100, then the airbag capsule sheet 1 is symmetrically folded and bent, two side edges are aligned, and then the airbag 100 is formed by hot-pressing by using the cycle machine, only 2 processing procedures are needed, the loss of a die is effectively reduced, the manufacturing cost is reduced, and the yield of the airbag 100 is improved.
Another aspect provides a sealing structure comprising an airbag 100, a sealing ring 2, a pressing plate 3, a sealing flange 4 and screws 5, all or part of which are manufactured as above, the sealing ring 2 having a size larger than that of the holes 11, the sealing ring 2, the pressing plate 3 and the sealing flange 4 being provided with screw holes 11 at corresponding positions, wherein:
the sealing ring 2 is placed at the lower part of the airbag capsule 1 and is connected on a cycle machine in a hot melting way to form a sealing part of the end face of the airbag 100, and 8 holes 11 of 5 screws are uniformly processed at the sealing part along the circumference. The pressure plate 3 is placed inside the bladder 100 and the sealing ring 2 and the pressure plate 3 are placed on the sealing flange 4.
The screw 5 sequentially penetrates through the sealing flange 4, the sealing ring 2 and the pressing plate 3 to be sealed and fixed, when the air bag sealing device is used, the sealing flange 4 is integrally placed in the floating device, the air bag 100 is inflated through the sealing flange 4, and end face sealing between the air bag 100 and the sealing flange 4 is achieved through compressibility of the material of the air bag 100 body.
The structure that the present case provided can overcome prior art aviation sonar buoy gasbag 100 and the sticky sealing connection process between the sealed cabin of surface of water complicated, process qualification rate and reliability low, with higher costs, maintainability and the poor problem of interconversion. The processing cost of the air bag 100 can be effectively reduced, the reliability of sealing connection between the air bag 100 and the water surface electronic cabin sealing flange 4 is improved, the process is simple, the cost is low, and the air bag 100 can be repaired or replaced conveniently. The sealing device has the advantages of simple structure, simple process, convenient operation, labor and time saving, can realize reliable sealing between the air bag 100 and the water surface electronic cabin sealing flange 4, can realize standardized mechanical assembly operation, and effectively reduces the influence of human factors in the process of adhesive sealing connection.
As a specific embodiment provided by the present disclosure, the sealing flange 4 is provided with a groove 41 for placing the sealing ring 2, and the height of the groove 41 is the same as the thickness of the sealing ring 2, so as to increase the compactness of the overall structure.
As an embodiment provided by the present disclosure, the number of the screw holes 11 at the sealing portion between the sealing flange 4 and the end face of the airbag 100 is 8 and the screw holes are arranged at equal intervals.
If the air leakage phenomenon exists on the surface of the air bag 100 when the air bag 100 of the sonobuoy is subjected to air tightness detection, the air bag 100 can be removed by removing 8 screws 5, the air bag 100 can be repaired or replaced, and the pressing plate 3 and the sealing flange 4 can be reused, so that the assembly and disassembly cost of the air bag 100 is effectively reduced, and the assembly and disassembly efficiency is improved.
The products provided by the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the invention without departing from the inventive concept, and those improvements and modifications also fall within the scope of the claims of the invention.

Claims (7)

1. A method of forming an air bladder for a sonobuoy, the method comprising:
s101, cutting an airbag capsule piece and a sealing ring from a thermoplastic resin film material, wherein holes with preset sizes are formed in the central areas of the airbag capsule piece and the sealing ring, and the size of the sealing ring is larger than that of the preset holes in the central area of the airbag capsule piece;
and S102, aligning the airbag flap with a hole with a preset size in the central area of the sealing ring, carrying out hot-pressing fusion on the airbag flap and the sealing ring by using a cycle machine to form an airbag end face sealing part, symmetrically folding the airbag flap, aligning two side edges, and carrying out hot-pressing by using the cycle machine to form the airbag.
2. The method of claim 1, wherein the method in S101 comprises:
the airbag capsule is made of polyurethane film material and is arranged in a reducing structure with a wide middle part and narrow ends.
3. A sealing structure, comprising an airbag, a pressing plate, a sealing flange and screws, wherein the airbag, the pressing plate, the sealing flange and the screws are manufactured by the method of claim 1 or 2, the sealing ring, the pressing plate and the sealing flange of the sealing part of the end face of the airbag are provided with threaded holes at corresponding positions, and the sealing structure is characterized in that:
the pressing plate is placed in the air bag, and the sealing ring and the pressing plate at the sealing part of the end face of the air bag are placed on the sealing flange;
and the screws sequentially penetrate through the sealing flange, the sealing ring at the end face sealing part of the air bag and the pressing plate to be sealed and fixed.
4. The sealing structure of claim 3, wherein the sealing flange defines a groove for receiving a sealing ring of the airbag end face seal.
5. The sealing structure according to claim 4, wherein the height of the groove is the same as the thickness of the sealing ring at the balloon end face sealing portion.
6. The sealing structure of claim 5, wherein the sealing ring has a thickness greater than a thickness of the bladder flap.
7. The seal structure of claim 6, wherein the number of the screw holes is 8 and the screw holes are arranged at equal intervals.
CN202011182835.5A 2020-10-29 2020-10-29 Method for molding air bag for sonobuoy and sealing structure thereof Active CN112406110B (en)

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CN112406110B CN112406110B (en) 2024-03-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116642070A (en) * 2023-07-27 2023-08-25 枣庄市天一实业有限公司 Ocean oil gas conveying high-pressure steel wire rubber pipe joint

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040245749A1 (en) * 2003-05-22 2004-12-09 Aerazur S.A.S.U. Sealing device for the interface between an airbag and a gas generator
KR101121568B1 (en) * 2011-09-30 2012-03-06 주식회사 오션이엔지 Built-in observatories type void sphere buoy for oceanographic observation
CN205689661U (en) * 2016-05-17 2016-11-16 青岛森昊减震科技有限公司 A kind of double-piston rubber air spring
CN109968676A (en) * 2019-03-20 2019-07-05 买超 A kind of production method of the high-elastic TPU membrane balloon of whole world face colored printing
CN110239668A (en) * 2019-05-09 2019-09-17 中国船舶重工集团公司第七一五研究所 One kind can self-destructed sonar buoy floating air-bag device with stabilizer blade
CN111660569A (en) * 2020-04-24 2020-09-15 信泰(福建)科技有限公司 Air bag for shoes and processing technology thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040245749A1 (en) * 2003-05-22 2004-12-09 Aerazur S.A.S.U. Sealing device for the interface between an airbag and a gas generator
KR101121568B1 (en) * 2011-09-30 2012-03-06 주식회사 오션이엔지 Built-in observatories type void sphere buoy for oceanographic observation
CN205689661U (en) * 2016-05-17 2016-11-16 青岛森昊减震科技有限公司 A kind of double-piston rubber air spring
CN109968676A (en) * 2019-03-20 2019-07-05 买超 A kind of production method of the high-elastic TPU membrane balloon of whole world face colored printing
CN110239668A (en) * 2019-05-09 2019-09-17 中国船舶重工集团公司第七一五研究所 One kind can self-destructed sonar buoy floating air-bag device with stabilizer blade
CN111660569A (en) * 2020-04-24 2020-09-15 信泰(福建)科技有限公司 Air bag for shoes and processing technology thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116642070A (en) * 2023-07-27 2023-08-25 枣庄市天一实业有限公司 Ocean oil gas conveying high-pressure steel wire rubber pipe joint
CN116642070B (en) * 2023-07-27 2023-11-03 枣庄市天一实业有限公司 Ocean oil gas conveying high-pressure steel wire rubber pipe joint

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