CN117048132A - Inflatable composite space structure and preparation method and application thereof - Google Patents
Inflatable composite space structure and preparation method and application thereof Download PDFInfo
- Publication number
- CN117048132A CN117048132A CN202311084120.XA CN202311084120A CN117048132A CN 117048132 A CN117048132 A CN 117048132A CN 202311084120 A CN202311084120 A CN 202311084120A CN 117048132 A CN117048132 A CN 117048132A
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- China
- Prior art keywords
- film material
- material layer
- layer
- inflatable
- spatial structure
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- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 92
- 239000004744 fabric Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 238000005491 wire drawing Methods 0.000 claims abstract description 7
- 239000010408 film Substances 0.000 claims description 59
- 239000010409 thin film Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 238000013329 compounding Methods 0.000 claims description 5
- 238000009958 sewing Methods 0.000 claims description 4
- 238000003490 calendering Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000009940 knitting Methods 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- -1 and layering Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920006240 drawn fiber Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
-
- 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
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0436—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by being contained in a generally closed space
-
- 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
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to an inflatable composite space structure which comprises an upper film material layer and a lower film material layer, wherein the upper film material layer and the lower film material layer are connected through wire drawing fiber wires, the upper film material layer is provided with an upper porous net cloth layer, and the lower film material layer is provided with a lower porous net cloth layer. The invention simplifies the preparation process of the inflatable material, reduces the processing flow and cost of the inflatable material, and solves the problems of bulge, air leakage and the like of the inflatable material in the traditional process.
Description
Technical Field
The invention relates to an inflatable composite space structure, a preparation method and application thereof, which are mainly applied to the fields of home, outdoor, sports or leisure and recreation and the like.
Background
At present, the inflatable space structure is widely applied to places such as home, outdoor, sports, leisure and recreation, traditional membrane materials and fibers are compounded through adhesives, and problems such as layering and air leakage are easy to occur along with glue aging in the daily use process. And the conventional inflatable airtight material is light in weight, and is immature in mechanical strength, support, buffering, impact absorption and the like. Accordingly, the present invention has been made.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to provide an inflatable composite space structure, a preparation method and application thereof, which simplify the preparation process of an inflatable material, reduce the processing flow and cost of the inflatable material and solve the problems of bulge, air leakage and the like of the inflatable material in the traditional process.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the utility model provides an inflatable composite space structure, includes film material layer and lower film material layer, go up and connect through wire drawing fine line between film material layer and the lower film material layer, it is equipped with porous gauze layer to go up the film material layer, the film material layer is equipped with porous gauze layer down.
The upper thin film material layer comprises an upper thin film material layer I and an upper thin film material layer II, and the upper porous net cloth layer is positioned between the upper thin film material layer I and the upper thin film material layer II.
The lower film material layer comprises a lower film material layer I and a lower film material layer II, and the lower porous net cloth layer is positioned between the lower film material layer I and the lower film material layer II.
And the outer sides of the upper film material layer, the lower film material layer, the wiredrawing fiber lines, the upper porous gauze layer and the lower porous gauze layer are provided with fences.
The preparation method of the inflatable composite space structure comprises the following steps:
(1) Thermally compounding a film material with a certain thickness on the mesh cloth with various holes;
(2) Two layers of film materials compounded with the mesh cloth with holes are subjected to face-to-face sewing with fiber lines with certain height by a knitting machine to form a space composite material;
(3) Compounding a layer of film material with a certain thickness on the other side surface of the mesh cloth with holes in the step (2) through casting or calendaring and attaching processes; the mesh hole gaps left when the composite material penetrates the mesh are hermetically bonded with the membrane material in the step (1);
(4) Finally, when the material is processed, the space composite material is subjected to enclosure treatment of 10-50cm by using a high-frequency welding process.
The thickness in the step (1) is 0.05-0.20mm.
The height in the step (2) is 10-50cm.
The thickness of the film material in the step (3) is 0.10-0.50 mm.
An inflatable composite space structure for use in home, outdoor, sports or recreational applications.
The inflatable composite space structure and the preparation method and application thereof have the following beneficial effects:
1. the invention utilizes the compatibility of the membrane material and the porous mesh material to bond, and solves the problems that the traditional membrane material and the fiber are compounded through the adhesive, and layering, air leakage and the like are easy to occur along with the aging of the glue in the daily use process.
2. The invention reduces the use frequency of high-frequency welding, reduces the processing cost and reduces the processing cost by 50 percent compared with the traditional method.
3. The preparation method solves the problems of layering, swelling and the like of the product in the using process, reduces the processing failure rate from 5% to 1%, and improves the market competitiveness of the product.
4. The sewing technology of the mesh cloth with holes is adopted to replace the high-frequency welding between the traditional films, so that the flatness is better, the mechanism is more stable, the pressure bearing is higher, and the abnormity such as bulge can not occur.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
wherein 1 is an upper film material layer I, 2 is an upper porous mesh cloth, 3 is an upper film material layer II, 4 is a wire drawing fiber wire, 5 is a lower film material layer I, 6 is a lower porous mesh cloth, and 7 is a lower film material layer II.
Detailed Description
The present invention will be further described with reference to specific examples, but the scope of the present invention is not limited thereto.
Example 1
As shown in fig. 1, the inflatable composite space structure of this embodiment 1 includes an upper film material layer and a lower film material layer, which are connected by a drawn fiber 4. The upper film material layer comprises an upper film material layer 1 and an upper film material layer 3, and the upper porous net cloth layer 2 is positioned between the upper film material layer 1 and the upper film material layer 3. The lower film material layer comprises a lower film material layer I5 and a lower film material layer II 7, and the lower porous net cloth layer 6 is positioned between the lower film material layer I5 and the lower film material layer II 7. And, the outside of upper film material layer, lower film material layer, wire drawing fine line 4, upper porous gauze layer 2 and lower porous gauze layer 6 is equipped with the rail.
The preparation method of the inflatable composite spatial structure of the embodiment 1 comprises the following steps:
(1) A film material with the thickness of 0.05-0.20mm, such as 0.05mm, 0.125mm, 0.09mm, 0.15mm or 0.2mm is thermally compounded on the mesh cloth with various holes.
(2) And (3) carrying out surface-to-surface sewing on the two layers of film materials with the porous mesh cloth by a knitting machine to form a space composite material, such as 10cm, 20cm, 30cm, 40cm or 50cm.
(3) Compounding a layer of the same material film material with the thickness of 0.10-0.50mm, such as 0.10mm, 0.20mm, 0.30mm, 0.40mm or 0.50mm, on the other side surface of the porous mesh cloth in the step (2) through a casting or calendaring and laminating process; the mesh hole gaps left when the composite material penetrates the mesh are hermetically bonded with the membrane material in the step (1);
(4) Finally, when the material is processed, the space composite material is subjected to enclosure treatment of 10-50cm by using a high-frequency welding process.
This embodiment 1 is applied in home, outdoors, sports, or leisure and recreation.
Comparative example 1
The preparation method of the inflatable composite spatial structure of the comparative example 1 comprises the following steps:
(1) Pre-cutting a 10-50cm polyester fiber drawstring;
(2) Combining the drawstring film materials by 1 st high frequency welding;
(3) Combining the drawstring processed in the step (2) with the film materials with the thickness of 0.10-0.50mm on the upper layer and the lower layer through the 2 nd high-frequency welding;
(4) Cutting the welded space composite material according to the set specification;
(5) Finally, the upper and lower layers of membrane materials are subjected to enclosing treatment through 3 rd high-frequency welding.
Performance testing
1. The aerated composite spatial structures prepared in example 1 and comparative example 1 were tested for failure rate and compressive strength in a manner well known in the art, and the test structures are shown in Table 1 below
TABLE 1
2. Example 1 compared with comparative example 1, equipment investment, energy consumption, cost per person etc. are shown in Table 2 below
TABLE 2
As can be seen from tables 1 and 2 above, the present invention has a greatly reduced reject ratio and a greatly improved bearing strength, and has the advantages of less investment, low energy consumption and great saving in human cost.
The above embodiments are only for illustrating the inventive concept of the present invention and not for limiting the protection of the claims of the present invention, and all the insubstantial modifications of the present invention using the concept shall fall within the protection scope of the present invention.
Claims (9)
1. An inflatable composite spatial structure, characterized in that: the novel film comprises an upper film material layer and a lower film material layer, wherein the upper film material layer is connected with the lower film material layer through a wire drawing fiber line, the upper film material layer is provided with an upper porous net cloth layer, and the lower film material layer is provided with a lower porous net cloth layer.
2. The inflatable composite spatial structure of claim 1, wherein: the upper thin film material layer comprises an upper thin film material layer I and an upper thin film material layer II, and the upper porous net cloth layer is positioned between the upper thin film material layer I and the upper thin film material layer II.
3. The inflatable composite spatial structure of claim 1, wherein: the lower film material layer comprises a lower film material layer I and a lower film material layer II, and the lower porous net cloth layer is positioned between the lower film material layer I and the lower film material layer II.
4. An inflatable composite spatial structure according to any one of claims 1 to 3, wherein: and the outer sides of the upper film material layer, the lower film material layer, the wiredrawing fiber lines, the upper porous gauze layer and the lower porous gauze layer are provided with fences.
5. A method of producing an inflatable composite spatial structure according to any one of claims 1 to 3, comprising the steps of:
(1) Thermally compounding a film material with a certain thickness on the mesh cloth with various holes;
(2) Two layers of film materials compounded with the mesh cloth with holes are subjected to face-to-face sewing with fiber lines with certain height by a knitting machine to form a space composite material;
(3) Compounding a layer of film material with a certain thickness on the other side surface of the mesh cloth with holes in the step (2) through casting or calendaring and attaching processes; the mesh hole gaps left when the composite material penetrates the mesh are hermetically bonded with the membrane material in the step (1);
(4) Finally, when the material is processed, the space composite material is subjected to enclosure treatment of 10-50cm by using a high-frequency welding process.
6. The method for preparing the inflatable composite spatial structure according to claim 5, wherein: the thickness in the step (1) is 0.05-0.20mm.
7. The method for preparing the inflatable composite spatial structure according to claim 5, wherein: the height in the step (2) is 10-50cm.
8. The method for preparing the inflatable composite spatial structure according to claim 6, wherein: the thickness of the film material in the step (3) is 0.10-0.50 mm.
9. Use of an inflatable composite spatial structure according to any of claims 1-3 in home, outdoors, sports or recreational.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311084120.XA CN117048132A (en) | 2023-08-28 | 2023-08-28 | Inflatable composite space structure and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311084120.XA CN117048132A (en) | 2023-08-28 | 2023-08-28 | Inflatable composite space structure and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117048132A true CN117048132A (en) | 2023-11-14 |
Family
ID=88656983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311084120.XA Pending CN117048132A (en) | 2023-08-28 | 2023-08-28 | Inflatable composite space structure and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117048132A (en) |
-
2023
- 2023-08-28 CN CN202311084120.XA patent/CN117048132A/en active Pending
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