CN114801239A - Special-shaped two-dimensional high-temperature release flexible air bag and forming process - Google Patents
Special-shaped two-dimensional high-temperature release flexible air bag and forming process Download PDFInfo
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- CN114801239A CN114801239A CN202210384517.XA CN202210384517A CN114801239A CN 114801239 A CN114801239 A CN 114801239A CN 202210384517 A CN202210384517 A CN 202210384517A CN 114801239 A CN114801239 A CN 114801239A
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- shaped
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- temperature
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to the technical field of composite materials, in particular to a special-shaped two-dimensional high-temperature release flexible air bag and a forming process thereof, compared with the prior art, the special-shaped two-dimensional high-temperature release flexible air bag is composed of three layers of structures, wherein the outer layer is as follows: modified fluorine-containing PMP resin; an intermediate layer: is a binding resin; the inner layer is: PA6/PA66 copolymerized modified resin and copper salt ionic polymerization modified temperature-resistant master batch; utilize multilayer coextrusion technique blow molding film section of thick bamboo form, carry out pressfitting and heat-seal to a membrane section of thick bamboo through the customization mould, pressfitting and heat-seal will go on in step, go out the joint line after pressfitting and the heat-seal to utilize the mould to go up the cutter and realize tearing the limit, tear unnecessary bag membrane part, finally form complete special-shaped membrane, have from advantages such as type performance is good, high temperature resistant, tensile strength etc. and convenient to use.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to a special-shaped two-dimensional high-temperature release flexible air bag and a molding process.
Background
The existing forming process for the composite material uses a common air bag without a release demoulding effect, adopts an ultrasonic manual welding mode, and has the disadvantages of more required labor, troublesome operation and high cost. And the product has single material, no release property and no automatic demoulding function.
Disclosure of Invention
In order to solve the defects and problems of the release film in the prior art, a special-shaped two-dimensional high-temperature release flexible air bag and a forming process are provided.
The technical scheme adopted by the invention for solving the technical problem is as follows: the invention relates to a special-shaped two-dimensional high-temperature release flexible air bag, which is composed of three layers of structures, wherein the outer layer is as follows: modified fluorine-containing PMP resin; an intermediate layer: is a binding resin; the inner layer is: PA6/PA66 copolymerized modified resin and copper salt ionic polymerization modified temperature-resistant master batch.
A molding process of a special-shaped two-dimensional high-temperature release flexible air bag comprises the following process steps:
(1) blowing the film into a film cylinder by utilizing a multilayer co-extrusion technology;
(2) pressing and heat-sealing the film cylinder through a customized die, wherein the pressing and the heat-sealing are carried out synchronously, the customized die is made of aluminum materials, and different two-dimensional modeling dies with bevel connection cutters are customized through numerical control processing;
(3) automatically moving the film tube to a die table through a scroll of an automatic heat sealing machine, pressing and heat sealing the film tube through a pressing die after adjusting the horizontal balance degree of the die table, wherein the pressing and the heat sealing are carried out synchronously, and the heat sealing temperature is between 130 ℃ and 160 ℃;
(4) and after the pressing and the heat sealing, the die assembly line is output, the edge tearing is realized by utilizing an inclined opening cutter on the die, the redundant bag film part is torn off, and finally the complete special-shaped film is formed.
The invention has the beneficial effects that: compared with the prior art, the special-shaped two-dimensional high-temperature release flexible air bag has a two-dimensional structure, can form various special-shaped shapes after being pressurized, and is characterized in that in the mould pressing and air blowing forming process, prepreg is firstly laid in a mould, then the flexible air bag is placed, the prepreg is laid on the upper layer, a complete cavity is formed, then the mould is closed and placed in a mould pressing machine, the inner air bag is pressurized and extended, the outer mould is extruded and jointly shaped, and a composite material part is cured and formed at a high temperature.
The specific implementation mode is as follows:
the invention relates to a special-shaped two-dimensional high-temperature release flexible air bag, which is composed of three layers of structures, wherein the outer layer is as follows: modified fluorine-containing PMP resin. An intermediate layer: the middle layer is an adhesive layer for bonding the outer layer and the inner layer together. The inner layer is: PA6/PA66 copolymerized modified resin and copper salt ionic polymerization modified temperature-resistant master batch. Therefore, the essential composition of the air bag is an inner layer and an outer layer, and the middle layer is embedded in the inner layer and the outer layer so as to achieve the adhesion effect.
The invention relates to a molding process of a special-shaped two-dimensional high-temperature release flexible air bag, which comprises the following steps:
(1) blowing the film into a film cylinder by utilizing a multilayer co-extrusion technology;
(2) pressing and heat-sealing the film cylinder through a customized die, wherein the pressing and the heat-sealing are performed synchronously, the customized die is made of aluminum materials, and different two-dimensional modeling dies with bevel-edge cutters are customized through numerical control processing;
(3) automatically moving the film tube to a die table through a scroll of an automatic heat sealing machine, pressing and heat sealing the film tube through a pressing die after adjusting the horizontal balance degree of the die table, wherein the pressing and the heat sealing are carried out synchronously, and the heat sealing temperature is between 130 ℃ and 160 ℃;
(4) after the pressing and the heat sealing, the die line is taken out, the edge tearing is realized by utilizing a bevel opening cutter on the die, the redundant bag film part is torn off, and finally, the complete special-shaped film is formed
The flexible air bag formed by the materials and the process greatly increases various performances, and the performances of the two-dimensional high-temperature release flexible air bag are as follows:
as can be seen from the table above, the special-shaped two-dimensional high-temperature release flexible airbag has the advantages of good release performance, high temperature resistance, tensile strength and the like, and is convenient to use.
The special-shaped two-dimensional high-temperature release flexible air bag is of a two-dimensional structure, can be formed into various special shapes after being pressurized, and in the mould pressing and air blowing forming process, prepreg is firstly laid in a mould, then the flexible air bag is placed, the prepreg is laid on the upper layer, a complete cavity is formed, then the mould is closed and placed in a mould pressing machine, the inner air bag is pressurized and extended, the outer mould is extruded and jointly shaped, and a composite material part is cured and formed at a high temperature.
The present invention has been described in accordance with embodiments thereof with the understanding that the present invention is not limited thereto but rather it is to be understood that variations and/or modifications may be made by those skilled in the art without departing from the scope of the invention as defined by the appended claims, and any such modifications, equivalents and the like as fall within the true spirit and scope of the invention.
Claims (2)
1. The utility model provides a flexible gasbag of type is left to abnormal shape two-dimentional high temperature which characterized in that: the composite material consists of three layers of structures, wherein the outer layer is as follows: modified fluorine-containing PMP resin; intermediate layer: is a binding resin; the inner layer is: PA6/PA66 copolymerized modified resin and copper salt ionic polymerization modified temperature-resistant master batch.
2. A molding process of a special-shaped two-dimensional high-temperature release flexible air bag comprises the following process steps:
(1) blowing the film into a film cylinder by utilizing a multilayer co-extrusion technology;
(2) pressing and heat-sealing the film cylinder through a customized die, wherein the pressing and the heat-sealing are carried out synchronously, the customized die is made of aluminum materials, and different two-dimensional modeling dies with bevel connection cutters are customized through numerical control processing;
(3) automatically moving the film tube to a die table through a scroll of an automatic heat sealing machine, pressing and heat sealing the film tube through a pressing die after adjusting the horizontal balance degree of the die table, wherein the pressing and the heat sealing are carried out synchronously, and the heat sealing temperature is between 130 ℃ and 160 ℃;
(4) and after the pressing and the heat sealing, the die assembly line is output, the edge tearing is realized by utilizing an inclined opening cutter on the die, the redundant bag film part is torn off, and finally the complete special-shaped film is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210384517.XA CN114801239A (en) | 2022-04-13 | 2022-04-13 | Special-shaped two-dimensional high-temperature release flexible air bag and forming process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210384517.XA CN114801239A (en) | 2022-04-13 | 2022-04-13 | Special-shaped two-dimensional high-temperature release flexible air bag and forming process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114801239A true CN114801239A (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210384517.XA Pending CN114801239A (en) | 2022-04-13 | 2022-04-13 | Special-shaped two-dimensional high-temperature release flexible air bag and forming process |
Country Status (1)
| Country | Link |
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| CN (1) | CN114801239A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004059088A (en) * | 2002-07-30 | 2004-02-26 | Dainippon Ink & Chem Inc | Packaging method, coexttrusion laminated film, and square-bottomed bag |
| CN101134371A (en) * | 2007-10-12 | 2008-03-05 | 沈天明 | Hot cutting envelop filling degradable aerocyst producing method and hot cutting envelop mold |
| CN108656563A (en) * | 2018-05-10 | 2018-10-16 | 淄博洁林塑料制管有限公司 | A kind of production method of plastic packaging bag |
| JP2019014487A (en) * | 2017-07-04 | 2019-01-31 | 株式会社メイワパックス | Packaging heat seal film and packaging container using heat seal film |
| CN109849366A (en) * | 2019-03-11 | 2019-06-07 | 厦门新旺新材料科技有限公司 | One kind being used for the release air bag of carbon fiber bicycle frame 3D high temperature |
| CN109910207A (en) * | 2019-03-11 | 2019-06-21 | 厦门新旺新材料科技有限公司 | One kind is for being pressurized air bag in aircraft target ship stringer |
| CN110448778A (en) * | 2019-09-02 | 2019-11-15 | 博义医疗器材(上海)有限公司 | Using use air bag made of unique method as anaesthetic mask of air cushion and preparation method thereof |
| CN114228178A (en) * | 2021-12-16 | 2022-03-25 | 南通天维机械设备有限公司 | Medical plastic bag heat sealing die and using method thereof |
-
2022
- 2022-04-13 CN CN202210384517.XA patent/CN114801239A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004059088A (en) * | 2002-07-30 | 2004-02-26 | Dainippon Ink & Chem Inc | Packaging method, coexttrusion laminated film, and square-bottomed bag |
| CN101134371A (en) * | 2007-10-12 | 2008-03-05 | 沈天明 | Hot cutting envelop filling degradable aerocyst producing method and hot cutting envelop mold |
| JP2019014487A (en) * | 2017-07-04 | 2019-01-31 | 株式会社メイワパックス | Packaging heat seal film and packaging container using heat seal film |
| CN108656563A (en) * | 2018-05-10 | 2018-10-16 | 淄博洁林塑料制管有限公司 | A kind of production method of plastic packaging bag |
| CN109849366A (en) * | 2019-03-11 | 2019-06-07 | 厦门新旺新材料科技有限公司 | One kind being used for the release air bag of carbon fiber bicycle frame 3D high temperature |
| CN109910207A (en) * | 2019-03-11 | 2019-06-21 | 厦门新旺新材料科技有限公司 | One kind is for being pressurized air bag in aircraft target ship stringer |
| CN110448778A (en) * | 2019-09-02 | 2019-11-15 | 博义医疗器材(上海)有限公司 | Using use air bag made of unique method as anaesthetic mask of air cushion and preparation method thereof |
| CN114228178A (en) * | 2021-12-16 | 2022-03-25 | 南通天维机械设备有限公司 | Medical plastic bag heat sealing die and using method thereof |
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