CN217197233U - Micro-nano colloidal fiber coagulation structure - Google Patents
Micro-nano colloidal fiber coagulation structure Download PDFInfo
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- CN217197233U CN217197233U CN202220592463.1U CN202220592463U CN217197233U CN 217197233 U CN217197233 U CN 217197233U CN 202220592463 U CN202220592463 U CN 202220592463U CN 217197233 U CN217197233 U CN 217197233U
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Abstract
The utility model discloses a receive colloid fibre coagulation structure a little, including receiving colloid and fibre bundle layer a little, receive the colloid a little for the spatial structure that is formed by a plurality of colloid bone roof beam overlap joint, and form between the colloid bone roof beam and hold gluey space, can take place to collapse after the colloid bone roof beam receives hot pressing and warp, hold gluey space intussuseption and be filled with the glue that makes after the cooling and solidification receive the colloid a little and keep the deformation shape, fibre bundle layer runs through in receiving the colloid a little as the braced skeleton. The micro-nano colloidal fiber concrete structure is similar to reinforced concrete, and the overall rigidity is greatly increased, so that splicing is not needed when products with multiple R angles and negative angles are formed, splicing seams are reduced, the appearance integrity is improved, more modeling requirements can be met, more importantly, the structure can be effectively controlled in material weight, the lightweight improvement is realized while the mechanical strength is ensured, and a new forming material is provided for interior and exterior ornaments of an automobile.
Description
Technical Field
The utility model relates to an automobile ornaments technical field especially relates to a receive colloid fibre structure of coagulating a little, is applied to car non-steel structure.
Background
With the rapid development of the automobile industry, people have high requirements on the comfort, functionality and noise resistance of interior and exterior decorations, as well as the beautiful appearance of the automobile. The automobile interior and exterior trim parts are gradually developed to be light in weight on the premise of meeting mechanical and NVH performance requirements, such as a ceiling, a tail door trim part, a stand column base material, a lower stand column, an automobile body and the like, and the light material can effectively reduce automobile fuel, so that energy conservation and environmental protection are realized.
Generally, plastic particles are selected for injection molding of automobile pillars and other hard decorations and are molded as a whole, but the complex appearance shape and the large-curved surface decoration performance of the product are also required to be realized, the pillars and other hard decorations are required to be mechanically spliced due to the limitation of the existing process, gaps are left at the splicing positions, and the requirements of the appearance shape and the decoration performance are difficult to meet.
Based on the existing materials and structural considerations, it is generally difficult to achieve both light weight and mechanical strength, and there are limitations on shape and thickness, which make it difficult to meet higher requirements for use in vehicles.
SUMMERY OF THE UTILITY MODEL
Based on the problem, the utility model aims to provide a receive colloid fibre coagulation structure a little obtains the material of high density, high mechanical strength, light to satisfy the interior gadget lightweight production demand of car.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a micro-nano colloid fiber coagulation structure comprises a micro-nano colloid and a fiber bundle layer, the micro-nano colloid is of a three-dimensional structure formed by overlapping a plurality of colloid bone beams, a glue containing space is formed between the colloid bone beams, the colloid bone beams can collapse and deform after being hot-pressed, glue capable of keeping the micro-nano colloid in a deformed shape after being cooled and solidified is filled in the glue containing space, and the fiber bundle layer is used as a supporting framework to penetrate through the micro-nano colloid.
Particularly, the micro-nano colloid comprises a plurality of unit sheet layers, the unit sheet layers are of a honeycomb net structure, and the unit sheet layers are stacked in a staggered mode, so that the colloid bone beam of the previous unit sheet layer is located in the area of the glue containing space of the next unit sheet layer.
Particularly, the micro-nano colloid is PU sponge.
Particularly, the fiber bundle layer is formed by overlapping a plurality of fiber bundles in a staggered mode, the fiber bundles are formed by fiber yarns in a non-twisted constraint mode and are fixed by glue after hot pressing and during condensation.
Particularly, a plurality of fiber bundle layers are laid in the micro-nano colloid in parallel up and down at intervals.
Particularly, the upper surface and the lower surface of the micro-nano colloid are correspondingly adhered with surface cloth and base cloth.
Particularly, the base fabric is of a three-layer composite structure and comprises non-woven fabric, PP and CPP from bottom to top, the PP layer is used for blocking glue, and the CPP layer is easy to melt and plays a role in bonding.
To sum up, the beneficial effects of the utility model are that, receive colloid fibre coagulation structure a little and can obtain the material of a kind similar reinforced concrete structure, greatly increased whole rigidity to when the product of many R angles of shaping and negative angle, need not the concatenation, reduced the concatenation seam, improved the outward appearance wholeness, can satisfy more molding needs, more importantly this structure also can effective control in material weight, realized the lightweight when guaranteeing mechanical strength and improved, provide a new forming material for the inside and outside gadget of car.
Drawings
Fig. 1 is a schematic diagram of a micro-nano colloidal fiber coagulation structure provided by an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is a micro-nano colloid microscopic view in the micro-nano colloid fiber coagulation structure provided by the embodiment of the utility model;
FIG. 4 is a schematic diagram of a unit slice of the micro-nano colloid in FIG. 3;
fig. 5 is a schematic diagram of a laminated paving material in a processing method of a micro-nano colloidal fiber coagulation structure provided by the embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.
Referring to fig. 1 to 4, the preferred embodiment provides a micro-nano colloid fiber coagulation structure, which includes a micro-nano colloid 1, a fiber bundle layer 2, a surface cloth 3 and a base cloth 4, wherein the micro-nano colloid 1 is a three-dimensional structure formed by overlapping a plurality of colloid bone beams 11, a glue accommodating space 12 is formed between the colloid bone beams 11, the colloid bone beams 11 collapse and deform after being heated and pressed, the glue accommodating space 12 is filled with glue 5 which enables the micro-nano colloid 1 to maintain a deformed shape after being cooled and solidified, the fiber bundle layer 2 penetrates through the micro-nano colloid 1 as a supporting framework, and the surface cloth 3 and the base cloth 4 are respectively attached to the upper surface and the lower surface of the micro-nano colloid 1.
The micro-nano colloid 1 (or called micro-nano colloid hot-pressing condensate) is defined as an object formed by a material absorbed with glue after being processed by a hot-pressing die process, and although a layered structure with an obvious boundary is formed before hot pressing, the processed object is just like the relationship between concrete and a reinforcing steel bar serving as a framework inside. The currently practicable material is PU sponge, and essentially any object can contain glue, collapse during hot pressing and solidify and shape after cooling.
If the micro-nano colloid 1 is sliced microscopically, the micro-nano colloid 1 comprises a plurality of unit sheet layers 13, the unit sheet layers 13 preferably have a honeycomb net structure, and the unit sheet layers 13 are stacked in a staggered mode, so that the colloid bone beam 11 of the previous unit sheet layer 13 is positioned in the area of the colloid accommodating space 12 of the next unit sheet layer 13, and the micro-nano colloid 1 is convenient to collapse and deform.
The fiber bundle layer 2 is used as a framework support micro-nano colloid 1 and is formed by overlapping a plurality of fiber bundles 21 in a staggered mode, the fiber bundles 21 are formed by fiber yarn untwisted constraint and are fixed by glue 5 after hot pressing and during condensation. Furthermore, a plurality of fiber bundle layers 2 are laid in the micro-nano colloid 1 in parallel up and down at intervals.
The advantage of forming the fiber bundle 21 without twisting is that the fiber filaments inside the fiber bundle 21 are not connected with each other, so that the fiber bundle can be freely bent during hot pressing to form various shaped ornaments.
The glue 5 has the main functions of keeping the micro-nano colloid 1 in the shape after collapse and deformation after cooling and solidification, avoiding resilience, and fixing fiber yarns during condensation after hot pressing so that the fiber bundle layer 2 keeps the shape. The main components of glue 5 here are isocyanate prepolymer and polyol.
In the structure, the surface layer is preferably a non-woven fabric and a fiber bundle layer 2, the middle layer is preferably a micro-nano colloid 1 and a fiber bundle layer 2, and the bottom layer is preferably a coated non-woven fabric and a fiber bundle layer 2.
The base fabric 4 is preferably of a three-layer composite structure, which comprises non-woven fabric, PP and CPP from bottom to top, wherein the melting point of the CPP layer is about 100 ℃, and the CPP layer can be melted during hot pressing to play a role in bonding and help the bottom layer to be bonded with the central layer; and the PP layer can not be melted and is mainly used for blocking glue.
To this end, the embodiment further provides a processing method of the micro-nano colloidal fiber coagulation structure, which includes the following steps:
1) and (3) performing glue rolling and water spraying treatment on the PU soft foam 14, wherein glass fibers are attached to two side surfaces of the PU soft foam 14.
In the PU soft foam 14, the ratio of the glue to water is 1 (0.6-0.8), the total glue amount is set to (440 +/-40) g/square meter, and the water amount is set to (300 +/-30) g/square meter.
2) The base fabric 4, a plurality of PU soft bubbles 14, the glass fiber and the surface fabric 3 are laid from bottom to top.
Here, the base fabric 4, the glass fiber A, PU soft bubble 14, the glass fiber B, PU soft bubble 14, the glass fiber A, and the top fabric 3 are laminated, as shown in FIG. 5, and are adjusted according to different kinds of interior and exterior parts and shapes thereof.
Wherein the material parameters are asThe following: surface cloth 3: 40g/m spunlace nonwoven fabric 2 (ii) a Glass fiber A (100 +/-10) g/m 2 (ii) a Glass fiber B (150 +/-10) g/m 2 (ii) a PU soft foam 14: polyether 35kg/m 3 3.2 mm; base fabric 4: non-woven fabric 40g/m 2 50g/m PP film 2 (containing CPP 22g/m 2 )。
3) And (3) adopting a cold material hot die form, feeding the layered and laid material into a pressing die, carrying out hot press molding, and finally cooling to obtain a product with a target structure.
Wherein, the pressing mould adopts an oil heating mode, the upper temperature and the lower temperature of the mould are set to be (130 +/-10) ° C, the pressure maintaining time is (50 +/-5) s, the pressure maintaining pressure is 15MPa, the exhaust is carried out for 1 time, the exhaust time is 5s, and the exhaust pressure is 10 MPa.
In conclusion, the micro-nano colloid fiber reinforced concrete structure can obtain a material similar to a reinforced concrete structure, and the integral rigidity is greatly increased, so that splicing is not needed when products with multiple R angles and negative angles are formed, splicing seams are reduced, the appearance integrity is improved, more modeling requirements can be met, more importantly, the structure can be effectively controlled in material weight, the light weight improvement is realized while the mechanical strength is ensured, and a new forming material is provided for automobile interior and exterior ornaments.
The above embodiments have only been illustrated the basic principle and characteristics of the present invention, the present invention is not limited by the above embodiments, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and modifications all fall into the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a receive colloid fibre coagulation structure a little, its characterized in that, including receiving colloid and fibre bundle layer a little, receive the colloid a little for the spatial structure that is formed by the overlap joint of a plurality of colloid bone roof beam, and form between the colloid bone roof beam and hold gluey space, the colloid bone roof beam can take place to collapse after receiving hot pressing and warp, it is filled with the glue that makes receive the colloid a little and keep the deformation shape after the cooling solidifies to hold gluey space, fibre bundle layer as support skeleton run through in receiving the colloid a little.
2. The micro-nano colloidal fiber coagulation structure according to claim 1, characterized in that: the micro-nano colloid comprises a plurality of unit sheet layers, each unit sheet layer is of a honeycomb net structure, and each unit sheet layer is stacked in a staggered mode, so that the colloid bone beam of the previous unit sheet layer is located in the area of the colloid containing space of the next unit sheet layer.
3. The micro-nano colloidal fiber coagulation structure according to claim 1, characterized in that: the micro-nano colloid is PU sponge.
4. The micro-nano colloidal fiber coagulation structure according to claim 1, characterized in that: the fiber bundle layer is formed by overlapping a plurality of fiber bundles in a staggered mode, the fiber bundles are formed by fiber yarns in a non-twisted constraint mode and are fixed by glue after hot pressing and during condensation.
5. The micro-nano colloidal fiber coagulation structure according to claim 1, characterized in that: and a plurality of fiber bundle layers are vertically and parallelly laid in the micro-nano colloid at intervals.
6. The micro-nano colloidal fiber coagulation structure according to claim 1, characterized in that: the upper surface and the lower surface of the micro-nano colloid are correspondingly adhered with surface cloth and base cloth.
7. The micro-nano colloidal fiber coagulation structure according to claim 6, wherein: the base fabric is of a three-layer composite structure and comprises non-woven fabric, PP (polypropylene) and CPP (casting polypropylene) from bottom to top, the PP layer is used for blocking glue, and the CPP layer is easy to melt and plays a role in bonding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220592463.1U CN217197233U (en) | 2022-03-17 | 2022-03-17 | Micro-nano colloidal fiber coagulation structure |
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| CN202220592463.1U CN217197233U (en) | 2022-03-17 | 2022-03-17 | Micro-nano colloidal fiber coagulation structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536879A (en) * | 2022-03-17 | 2022-05-27 | 无锡吉兴汽车声学部件科技有限公司 | Micro-nano colloidal fiber coagulation structure and processing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536879A (en) * | 2022-03-17 | 2022-05-27 | 无锡吉兴汽车声学部件科技有限公司 | Micro-nano colloidal fiber coagulation structure and processing method thereof |
| WO2023173707A1 (en) * | 2022-03-17 | 2023-09-21 | 无锡吉兴汽车声学部件科技有限公司 | Micro-nano colloid and fiber coagulation structure and processing method therefor |
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