CN213413140U - Plate containing polyurethane core plate layer and box body made of plate - Google Patents
Plate containing polyurethane core plate layer and box body made of plate Download PDFInfo
- Publication number
- CN213413140U CN213413140U CN202021350774.4U CN202021350774U CN213413140U CN 213413140 U CN213413140 U CN 213413140U CN 202021350774 U CN202021350774 U CN 202021350774U CN 213413140 U CN213413140 U CN 213413140U
- Authority
- CN
- China
- Prior art keywords
- layer
- panel
- polyurethane core
- core layer
- polyurethane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004814 polyurethane Substances 0.000 title claims abstract description 88
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 84
- 239000010410 layer Substances 0.000 claims abstract description 104
- 239000012792 core layer Substances 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000011800 void material Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003365 glass fiber Substances 0.000 description 13
- 239000006260 foam Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 238000010924 continuous production Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229920005830 Polyurethane Foam Polymers 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000011496 polyurethane foam Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 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
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Abstract
The utility model provides a panel that contains polyurethane core layer and the box of making by this panel, panel includes polyurethane core layer and two panel layers, and the panel layer is the flaky material in area space respectively, is located the both sides of polyurethane core layer respectively, its characterized in that, polyurethane core layer has the arch, stretches into two intraformational spaces of panel. The plate is simple to manufacture and can be made of light weight; the method is used for forming the box body, can save production cost and reduce product weight, and is beneficial to lightening trucks and the like.
Description
Technical Field
The utility model relates to a plate containing a polyurethane core plate layer, which can be especially used as a light plate; the utility model discloses still relate to a device that contains this panel, for example a box.
Background
Automotive vehicles have become an essential part of productive life. However, due to the upper thermal efficiency limit of internal combustion engines and environmental pressure, the lightweight design of automobiles has become one of the efforts of the modern automobile industry as a main technical means for saving energy. The composite non-metallic material is a large class of mechanical materials which are rapidly developed in recent decades, is widely applied to the lightweight design of motor vehicles due to the characteristics of low density and high mechanical performance, and achieves excellent performance.
The conventional van body is generally made of metal plates, and has the advantages of large mass, no corrosion resistance and poor heat preservation capability. And because the metal sheet material is generally thinner, the bending resistance coefficient of the section of the carriage wall is small, so that the carriage wall has weak bearing capacity and is easy to deform in use.
In order to solve the above technical problems, various measures have been taken. Patent application CN110861567A discloses a lightweight car body panel and a process thereof. The railway carriage or compartment board is five layers composite construction, includes: two panel layers, two ground film layers and a core layer. The core plate layer is made of flame-retardant B2 polystyrene extruded foam, and wood beams, iron, a framework or a heat-insulating material are embedded in the core plate layer. The panels are made of non-metallic materials, preferably glass fibers and thermoplastic composite boards. In addition, the core and face sheets are joined by an adhesive, preferably a polyurethane foam. The lightweight carriage plate uses the non-metal panel to replace a conventional metal panel, so that the weight is reduced, the heat insulation performance and the corrosion resistance are improved, and the technical problems are partially solved. However, Polystyrene (PS) foam has low strength and is not impact resistant, and is not suitable for occasions requiring impact load. In addition, the production process is complicated due to the multilayer structure and the application of the adhesive. Finally, the adhesive may also cause the problem of exceeding the Total Volatile Organic Content (TVOC).
Patent application CN109591327A discloses a foam sandwich structure carbon fiber composite material box-shaped part and a preparation method thereof. The invention comprises a panel layer and a foam sandwich layer. Wherein the panel layer and the angle section are carbon fiber fabrics, the foam sandwich layer is closed-cell rigid foam, and the foam material can be Polyurethane (PU). Vacuum injection molding with the aid of a mold. Subject to the mould and the process, the invention is only suitable for small boxes and not for the production of boxcars.
Patent CN207267511U discloses a fiber reinforced hard board, which comprises an inner sandwich layer and outer layers arranged on both sides of the inner sandwich layer. The peripheral layer includes at least one layer of continuous fiber mat. The inner interlayer comprises continuous long fibers and polyurethane hard bubbles, and the polyurethane hard bubbles are sprayed on the continuous long fibers through a spraying process. The peripheral layer is then attached to the inner interlayer. Due to the characteristics of spraying, the process is complex and the production rate is low.
Patent CN207684213U discloses a container body material. The box body board adopts five layers of composite construction, includes first crust layer, first polyurethane insulation board layer, glass fiber felt layer, second polyurethane insulation board layer and the second crust layer in proper order in the box from the box body is external, be attached to on the glass fiber felt layer and have the aerogel granule. The utility model discloses a there is the problem that the structure is complicated equally, and technology is complicated, is difficult to extensive continuous production.
In view of the above, there is a need to develop a material suitable for boxcars, which is corrosion-resistant, light in weight, strong in heat-insulating ability, high in load bearing capacity, less in pollution, simple in structure and process, and easy to produce, so as to solve the current technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a panel that contains polyurethane core board layer to overcome prior art's problem.
Therefore, the utility model provides a panel that contains polyurethane core plate layer, it includes:
a polyurethane core layer; and
the two panel layers are respectively sheet materials with gaps and are respectively positioned on two sides of the polyurethane core plate layer;
wherein, the polyurethane core plate layer is provided with a bulge which extends into the gap between the two panel layers.
The plate containing the polyurethane core of the utility model is simple to manufacture and can be made with light weight; the method is used for forming the box body, can save production cost and reduce product weight, and is beneficial to lightening trucks and the like.
Drawings
The advantages, features of the present invention will now be described in detail with reference to the accompanying drawings, in which the components are not necessarily drawn to scale, and wherein:
figure 1 shows a cross-sectional view of a polyurethane core layer-containing sheet material of the present invention.
Fig. 2 a-2 b show schematic cross-sectional views of two combinations of a polyurethane core layer and a face sheet layer.
Fig. 3 a-3 b show schematic cross-sectional views of two embodiments of the void shape of the panel layer.
It is to be understood that the drawings are drawn for purposes of illustration only and are not to be construed as limiting the invention.
Detailed Description
The utility model discloses a panel that contains polyurethane core plate layer includes:
a polyurethane core layer; and
the two panel layers are respectively sheet materials with gaps and are respectively positioned on two sides of the polyurethane core plate layer;
wherein, the polyurethane core plate layer is provided with a bulge which extends into the gap between the two panel layers.
The utility model discloses in the panel that contains polyurethane core layer, two face plate layers are located the both sides of polyurethane core layer respectively, and a panel layer is in one side of polyurethane core layer promptly, and wherein polyurethane core layer has the arch, stretches into the space in the panel layer, can form the connection between polyurethane core layer and two panel layers like this. Since in the prior art, already existing simple production methods can be used to achieve this connection, the inventive polyurethane core layer-containing sheet material can be produced in a simple, lightweight manner (the panels are in the form of sheets with voids, which themselves already contribute to achieving lightness).
It is to be noted that "the polyurethane core layer has projections extending into the voids in both panel layers" does not necessarily mean that all the voids in both panel layers are filled with the polyurethane core layer projections extending thereinto, but it is preferable that the voids in both panel layers are filled with the polyurethane core layer projections as much as possible, for example, preferably 50% or more, more preferably 65% or more, further preferably 75% or more of the voids in both panel layers are filled with the polyurethane core layer projections.
In an exemplary production method, voided facing layers are placed on either side of a Polyurethane (PU) core layer, and the polyurethane is then directly foamed, with a portion of the polyurethane foam extending into the voided facing layer voids, thus forming projections from the polyurethane foam body that enter the voids of the facing layer, thereby forming a connection between the polyurethane core layer and the facing layer. In order to form a more secure connection, it is preferable that the void surface of the panel layer is rough, and it is even preferable that the void surface is formed in various irregular shapes such as grooves, particularly grooves formed so that the outlet does not face the Polyurethane (PU) core layer.
The utility model discloses in the production process of the panel that contains polyurethane core board layer, can not use the adhesive, consequently can simplify production technology to organic volatile's emission can reduce. The plate making process can be continuous production or discontinuous production. The continuous production can be a continuous production line mainly comprising a conveyor, and the discontinuous production can be a station production mode mainly comprising a mould. After the sheet material has been produced, it is further formed into the desired downstream product, such as a box, particularly a truck bed.
The utility model discloses in the panel that contains polyurethane core layer, the used polyurethane in polyurethane core layer can adopt any polyurethane of prior art, as long as can form rigid polyurethane foam can. For example, BASF corporation may be used
Series polyurethane hard foam products.
The thickness of the polyurethane core layer is generally from 1.5 to 50cm, preferably from 1.8 to 15cm, more preferably from 2 to 8 cm. The density of the material is 10-500kg/m3Preferably 20 to 450kg/m3More preferably 20 to 100kg/m3。
Preferably, the polyurethane core layer contains metal, plastic or wood reinforcing strips to enhance its mechanical strength.
The utility model discloses in the panel that contains polyurethane core plate layer, two panel layers can be the same, also can be different, can be as required and the suitable selection material of difference like this. For example, the face sheet layer may be selected from Glass Fiber (GF) felt, nonwoven fabric, perforated (penetrated or not penetrated) sheet material (e.g., sheet material such as metal sheet, wood board, and plastic board, e.g., foamed aluminum), and the like.
The utility model discloses in the panel that contains polyurethane core plate layer, the space in two panel layers can be to pierce through the panel layer, also can not pierce through the panel layer, or including the space that pierces through the panel layer simultaneously in the panel layer, also including the space that does not pierce through the panel layer. The voids are preferably evenly distributed in the panel layer, but may also be locally unevenly distributed. It is preferable that the surface of the voids of the face sheet layer is rough, and it is even preferable that the surface of the voids is formed in various irregular shapes such as grooves, particularly grooves formed so that the outlet does not face the Polyurethane (PU) core sheet layer.
The material formed by the Glass Fiber (GF) felt and the non-woven fabric contains a large number of gaps inside, the shapes and the shapes of the gaps are different, and polyurethane bulges can extend into the gaps in the polyurethane foaming process.
The thickness of the face sheet layer is generally 0.1 to 50cm, preferably 0.2 to 2cm, more preferably 0.2 to 1 cm. The density is 100-2000kg/m3Preferably 200-1000kg/m3More preferably 300-3。
The thickness of the plate containing the polyurethane core plate layer is generally 2.2-60cm, preferably 2.5-20cm, and more preferably 3-10 cm. The density of the material is 10-500kg/m3Preferably 20 to 450kg/m3More preferably 20 to 100kg/m3。
The utility model discloses in the panel that contains polyurethane core layer, the outside that preferred panel layer deviates from polyurethane core layer can the japanning or laminating architectural surface.
The plate containing the polyurethane core plate layer can be used as various spacers, such as sound insulation materials; it can also be made into any desired shape, such as a box, in particular a compartment for a truck.
The invention is described below by way of example with reference to the accompanying drawings.
Figure 1 is the utility model discloses a schematic diagram of an embodiment of the panel containing polyurethane core plate layer is the cross-sectional form, and wherein the panel containing polyurethane core plate layer is whole to be represented by reference numeral 100, including polyurethane core plate layer 1 and panel layer 2, core layer 1 sets up between two panel layer 2. The panel layer 2 is made of, for example, a glass fiber mat. The core layer 1 is polyurethane rigid foam formed by directly foaming polyurethane between two layers of glass fiber felt. The polyurethane can protrude out due to the gap in the glass fiber felt in the foaming process to form a bulge which enters the gap in the glass fiber felt, so that the polyurethane core plate layer and the glass fiber felt form a riveting structure, thereby forming firm combination and finally forming the sandwich structure plate. The use of an adhesive is not essential throughout the manufacture of the sandwich panel (and an adhesive may be used as the case may be). The plate making process can be continuous production or discontinuous production. After the panels have been produced, they are assembled to form a boxcar, the dimensions of which may range, for example, from 1.5 to 5m long, preferably from 2 to 3m wide, from 0.8 to 2.5m wide, preferably from 1 to 1.8m thick, from 2 to 80cm thick, preferably from 10 to 50cm thick. The carriage plate can be made of one sandwich plate or a plurality of sandwich plates formed by cutting, splicing and other processes.
Optionally, the outer layer of the panel layer can be painted or attached with a decorative surface layer.
Fig. 2a and 2b are schematic cross-sectional views of a combination of a polyurethane core layer and a panel layer, wherein a single-sided joint is shown, but it will be appreciated by those skilled in the art that the same joining principle is equally applicable to the joining of the other side. In fig. 2a, the voids 3 penetrate the panel layer; in fig. 2b, the voids 3 do not penetrate the panel layer. The protrusions (not otherwise numbered) of the polyurethane core layer extend into the voids 3. It should be understood that fig. 2a and 2b are for illustrative purposes only and that actual polyurethane core layer and face sheet layer bonding may include both bonding configurations. Further, the shape and form of the voids may vary depending on the panel layers, and even the voids may be formed in a plurality of layers in the vertical direction of the panel layers as shown in the drawing.
Fig. 3a and 3b show two specific sectional views of the void shape of the panel layer. In order to enhance the bonding of the polyurethane core layer to the glass fibre mat, the voids 3 are internally rough, e.g. grooved, where fig. 3a is a situation where the voids do not penetrate the panel layer 2, where the grooves 3c open towards the polyurethane core layer, while the grooves 3a and 3b do not open towards the core layer; fig. 3b shows a situation where the voids penetrate the panel layer 2, wherein the recesses 3a and 3b are not open towards the core layer. Thus, when the polyurethane is foamed, the connection strength between the polyurethane core layer and the panel layer can be further enhanced after the protrusions of the polyurethane core layer extend into the grooves 3a and 3 b. One of ordinary skill will appreciate that in an actual sheet material, both forms 3a and 3b, or one of the forms 3a and 3b, may be included.
While various preferred embodiments have been shown and described above, it will be apparent to those skilled in the art that modifications and changes may be made without departing from the scope of the invention as defined in the appended claims.
Claims (10)
1. A panel comprising a polyurethane core layer, comprising:
a polyurethane core layer; and
the two panel layers are respectively sheet materials with gaps and are respectively positioned on two sides of the polyurethane core plate layer;
the polyurethane core plate is characterized in that the polyurethane core plate layer is provided with a bulge which extends into a gap between the two panel layers.
2. The polyurethane core layer-containing panel of claim 1, wherein the polyurethane core layer thickness is 1.5-50 cm; the density of the material is 10-500kg/m3。
3. The polyurethane core layer-containing panel according to claim 1 or 2, wherein the void in the two panel layers is either through the panel layers or not through the panel layers.
4. The polyurethane core layer-containing panel as claimed in claim 3, wherein the facing layer includes both voids that penetrate the facing layer and voids that do not penetrate the facing layer.
5. The polyurethane core layer-containing panel according to claim 1 or 2, wherein the voids are uniformly distributed in the panel layer.
6. The polyurethane core layer-containing panel according to claim 1 or 2, wherein the void surface of the panel layer is rough.
7. The polyurethane core layer-containing panel as claimed in claim 6, wherein the void surfaces are irregularly shaped, forming grooves with outlets not facing the polyurethane core layer.
8. The polyurethane core layer-containing sheet according to claim 1 or 2, wherein the thickness of the polyurethane core layer-containing sheet is 2.2-60 cm; the density of the material is 10-500kg/m3。
9. The polyurethane core layer-containing sheet material of claim 1 or 2, wherein the outer side of the facing layer facing away from the polyurethane core layer is painted or laminated with a decorative finish.
10. A cabinet, characterized by being made of the board containing a polyurethane core layer of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350774.4U CN213413140U (en) | 2020-07-10 | 2020-07-10 | Plate containing polyurethane core plate layer and box body made of plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350774.4U CN213413140U (en) | 2020-07-10 | 2020-07-10 | Plate containing polyurethane core plate layer and box body made of plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213413140U true CN213413140U (en) | 2021-06-11 |
Family
ID=76253970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021350774.4U Active CN213413140U (en) | 2020-07-10 | 2020-07-10 | Plate containing polyurethane core plate layer and box body made of plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213413140U (en) |
-
2020
- 2020-07-10 CN CN202021350774.4U patent/CN213413140U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2389037C (en) | Panels utilizing a precured reinforced core and method of manufacturing the same | |
| US8449707B2 (en) | Method of manufacturing a structural polymer core assembly | |
| JP4890642B2 (en) | Vehicle body made of integrated composite material for transport vehicle and method for manufacturing the same | |
| EP0144340B1 (en) | Acoustical structure and method of manufacturing it | |
| US20090011210A1 (en) | Lightweight glass fiber reinforced thermoplastic material | |
| US20140302279A1 (en) | Multi-Layered Structural Component | |
| US6509078B1 (en) | Composite material | |
| CN106584993A (en) | Honeycomb sandwich plate, and high sound insulation method, making method and application thereof | |
| US11633939B2 (en) | Method for producing a planar composite component and composite component produced thereby | |
| CN107877970B (en) | Heat-insulation three-dimensional hollow composite board and application thereof | |
| CN202727418U (en) | Composite honeycomb-shaped plate | |
| US7744150B2 (en) | Roof liner and procedure for obtaining a roof liner for vehicles | |
| US10688749B2 (en) | Panel and method for producing a panel | |
| CN112976701A (en) | Honeycomb panel, manufacturing method thereof, vehicle body panel and vehicle | |
| CN213413140U (en) | Plate containing polyurethane core plate layer and box body made of plate | |
| CN106476330A (en) | A kind of rail vehicle aramid fiber honeycomb side top board and preparation method thereof | |
| KR100537440B1 (en) | Sandwich panel with stiffener and foaming metal for door leaf and floor of rolling stock and its manufacturing method | |
| CN205255608U (en) | I shape presss from both sides core composite sheet | |
| CN2505357Y (en) | Honeycomb acoustic septum for high-speed train | |
| CN111391418A (en) | Three-dimensional sandwich bearing structure, vehicle body and structural member of weaving of high-speed motor car | |
| CN214215065U (en) | Fiber-reinforced stealth and heat-insulation sandwich board | |
| JP6847510B2 (en) | Carbon fiber composite veneer | |
| CN212453318U (en) | Honeycomb core material and composite honeycomb structure | |
| CN209176206U (en) | A kind of temperature keeping compartment bottom plate special glass steel drawing and extruding section bar structure | |
| CN216861251U (en) | Composite board and vehicle seat and vehicle applying same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |