CN101130289A - Light weight board and preparing method - Google Patents
Light weight board and preparing method Download PDFInfo
- Publication number
- CN101130289A CN101130289A CNA2007101469327A CN200710146932A CN101130289A CN 101130289 A CN101130289 A CN 101130289A CN A2007101469327 A CNA2007101469327 A CN A2007101469327A CN 200710146932 A CN200710146932 A CN 200710146932A CN 101130289 A CN101130289 A CN 101130289A
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- light weight
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- 239000000758 substrate Substances 0.000 claims abstract description 130
- 238000004519 manufacturing process Methods 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 239000006260 foam Substances 0.000 claims abstract description 15
- 239000002985 plastic film Substances 0.000 claims description 128
- 239000002184 metal Substances 0.000 claims description 43
- 238000010438 heat treatment Methods 0.000 claims description 29
- 239000004744 fabric Substances 0.000 claims description 23
- 238000009941 weaving Methods 0.000 claims description 23
- 239000004743 Polypropylene Substances 0.000 claims description 21
- 229920001155 polypropylene Polymers 0.000 claims description 21
- -1 polypropylene Polymers 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 13
- 239000004745 nonwoven fabric Substances 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004078 waterproofing Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 4
- 239000011256 inorganic filler Substances 0.000 claims description 3
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 3
- 239000012766 organic filler Substances 0.000 claims description 3
- 241000446313 Lamella Species 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 239000004925 Acrylic resin Substances 0.000 claims 2
- 229920000178 Acrylic resin Polymers 0.000 claims 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims 2
- 206010041954 Starvation Diseases 0.000 abstract 1
- 239000011365 complex material Substances 0.000 abstract 1
- 239000003562 lightweight material Substances 0.000 abstract 1
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000007767 bonding agent Substances 0.000 description 3
- 239000011796 hollow space material Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
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Images
Classifications
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/146—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers whereby one or more of the layers is a honeycomb structure
-
- 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
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- 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
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
-
- 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
- B32B5/022—Non-woven fabric
-
- 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
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/02—Cellular or porous
- B32B2305/024—Honeycomb
-
- 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
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The present invention relates to a high rigidity light weight board for the vehicle inner material, such as trunk cover on which laying heavy or chair back, as well as a method for manufacturing the board; especially, relates to a high rigidity light weight board and its production apparatus, wherein taking light weight material with inanition structure of the hollow part such as comb board, ripple piece or foam piece as substrate, and setting light weight plastic pieces on the upper/lower of the substrate, the light weight plastic piece is complex material piece with prescribed thickness.
Description
Technical field
The present invention relates to the light weight board that in requiring the automotive interior material of high rigidity, uses, as the luggage-boot lid or the chair back that has weight to place on it, and the manufacture method of described plate; More particularly, the present invention relates to a kind of light weight board and manufacture method thereof, wherein, by the light material of hollow structure such as honeycomb plate, corrugated plate or foam piece with hollow sectors as substrate layer, on the substrate/have a light plastic sheet that the composite material sheet of predetermined thickness is done, to improve rigidity such as fracture strength, hot strength and the impact strength etc. of plate, pile up the top layer and the bottom of non-weaving cloth again in top/bottom, make plate in die for molding then, thereby make the weight saving of finished product, and rigidity improves.
Background technology
As shown in figure 11, in conventional art, heavy material is positioned at the upper strata of plate 100 ', the plate 15 that 8-12mm is thick or be used to support the weight of institute's load by the substrate 10 ' that medium density fibre board (MDF) (MDF) is formed, with bonding agent top layer 40 ' and bottom 50 ' are bonded at the quality that substrate 10 ' is gone up with the raising product surface, this way makes cost rise, and because the heavy weight of plate 100 ' makes the fuel ratio of automobile descend.Especially, when adhering to non-weaving cloth as top layer 40 ' and bottom 50 ' with bonding agent on substrate of being made up of MDF 10 ' or plate 15, along with bonding agent absorbs moisture, adhesion descends, it is heavy that the weight of product becomes, and finally cause product situations such as mouldy, smelly and distortion to occur.For addressing the above problem; the thistle board of use hollow structure such as hollow template, the plastic composite with high rigidity, corrugated plate, foam piece etc. are used as substrate in product; this product is partly scale also; but only use the words of above-mentioned material; when product during as automotive interior material that needs high rigidity such as luggage-boot lid; can not reach the rigidity that needs, production board in use may warpage or fracture.Especially, though people attempt plate is construed as such structure: in this structure, the plastic sheet of specific thicknesses is stacked and is bonded on the skin of substrate, and described substrate adopts the plate of being made up of hollow space and dividing plate, as hollow template, corrugated plate or foam piece etc.; But, when will go up/when the plastic sheet of lower part piles up/joins on the substrate, the hollow space of substrate make described on/plastic plate of lower part is pressed in the described hollow space, this makes the composition surface injustice, and finally can cause the disengaging in use of plastic sheet and substrate.
Summary of the invention
Therefore, the present invention is devoted to provide a kind of light weight board and manufacture method thereof, and product of the present invention and method have fully overcome because the restriction of prior art and one or more problems that shortcoming is caused.
An object of the present invention is to provide a kind of light weight board and manufacture method thereof, wherein, adopt the material of hollow structure such as plastics/resin molding compound product, honeycomb plate, corrugated plate or foam piece etc. as substrate with hollow sectors; The top layer of plastic sheet, non-weaving cloth and bottom be stacked on substrate on/downside; Above each of piling up is layer molded in mould, obtain lightweight production board, simultaneously, and needed sustained rigidity when described plate has as automotive interior parts such as luggage-boot lid, and connected structure is firm and easy moulding; The invention solves aforementioned problems of the prior art, improved performance such as the rigidity and the water proofing property etc. of product, and provide a kind of light, mould and light weight board that connected structure is firm easily.
Other advantage of the present invention, purpose and feature will be set forth in the following description, wherein some part will become apparent after reading over this specification because of those skilled in the art, and perhaps those skilled in the art can learn from implement process of the present invention and do not set forth.Purpose of the present invention and other advantage can realize by the structure that particularly points out in specification, claims and the accompanying drawing and obtain.
Description of drawings
For making above-mentioned and/or others and the easier understanding of advantage thereof of the present invention and making it apparent, the present invention is further described below with reference to drawings and Examples:
Fig. 1 is the cutaway view of light weight board of the present invention;
Fig. 2 is the flow chart that illustrates the manufacture method of light weight board of the present invention;
Fig. 3 is the perspective view of a kind of heating plate of using among the present invention;
Fig. 4 is the cutaway view of the profile status of mould and plate in the demonstration light weight board forming process of the present invention;
Fig. 5, Fig. 7, Fig. 8 and Fig. 9 are the cutaway view of the light weight board of other embodiment of the present invention;
Fig. 6 and Figure 10 are the flow chart of the manufacture method of the light weight board of other embodiment of demonstration the present invention;
Figure 11 is the cutaway view of plate of the prior art.
The specific embodiment
It only is illustrative below describing, and is not construed as limiting the invention.
Below will describe the specific embodiment of the present invention in detail, the example as shown in drawings, identical reference numbers designate similar elements in the accompanying drawing.For a better understanding of the present invention, below with reference to accompanying drawing the specific embodiment of the present invention is described.
For realizing above-mentioned target and other advantage and consistent with purpose of the present invention, as described in following detailed description, the invention provides a kind of light weight board and manufacture method thereof, comprising:
1) substrate, this substrate is made up of the hollow structure material with hollow sectors such as corrugated plate, foam piece or honeycomb plate, the weight that is used to keep rigidity and reduces production board;
2) on/following plastic sheet, on this/following plastic sheet is molded and obtain by plastic plate, be stacked on substrate on/downside, substrate is clipped in the middle the weight that is used to improve the rigidity and the water proofing property of production board and reduces production board;
3) top layer and bottom, this top layer and bottom are polyester non-woven fabric, be stacked on respectively/following plastic sheet on, be used to realize the flexible touch on plate surface;
4) bond medium as polyester non-woven fabric and polypropylene screen, is used for realizing easily bonding.
Hereinafter, will be in conjunction with the accompanying drawings, describe a preferred embodiment of the present invention in detail.
Fig. 1 is the cutaway view of light weight board of the present invention.
As shown in Figure 1, light weight board of the present invention comprises: as the honeycomb plate 11 of the thick polypropylene material of 2～30mm of substrate 10, it is 3～10cm that this honeycomb plate 11 has area
2The hollow structure unit with hollow sectors 115 and dividing plate 114, to be used for keeping when plate needed rigidity during as automotive interior parts such as the luggage-boot lid or the chair back; 0.5～2mm thick on/following plastic sheet 20,30, this plastic sheet 20,30 is used to improve the rigidity of production board for containing PP composite material sheet organic and inorganic filler such as talcous 0.5～2mm.Described plastic sheet be stacked on substrate 10 on/downside 111,112 places, when in mould, carrying out molded operation, substrate 10 is clipped in the middle.
As mentioned above, on described/following plastic sheet 20,30 be stacked on honeycomb plate 11 on/downside 111,112 places, in the structure of honeycomb plate, at several 113 places, unit, substrate 10 is made of hollow sectors 115 and dividing plate 114, whole plate 100 with substrate 10 be sandwiched in/structure between the following plastic sheet 20,30 obtains by molded operation; Thereby alleviated weight as the hollow sectors 115 of the honeycomb plate 11 of substrate 10, and substrate 10 and last/20,30 of following plastic sheets have improved the rigidity of plate 100 as the plate 100 of finished product.
Simultaneously, pile up top layer 40 and the bottom 50 that polyester non-woven fabric is arranged in the outside of last/following plastic sheet 20,30, to be used for realizing the flexible touch of plate outer surface.
With having the area of being made up of hollow sectors 115 and dividing plate 114 is 3～10cm
2The honeycomb plate 11 of hollow structure unit as substrate 10, on this substrate 10/downside piles up/following plastic sheet 20,30, above each layer carried out when molded 3～10cm in the substrate 10 in mould
2The existence of empty structure 115 of hollow unit 113 make substrate 10 can not with last/following plastic sheet 20,30 engage, perhaps on bonding/during following plastic sheet,, cause uneven bonding on the irregular composition surface because the downside 22 of last plastic sheet 20 is bonding with the hollow sectors 115 that is depressed.
Shown in Fig. 2-4, the feature of manufacture method of the present invention is: with having area is 3～10cm
2The honeycomb plate 11 of dummy cell as substrate 10, when in mould, will going up/following plastic sheet 20,30 be stacked on the substrate 10/downside and when making plate 100 moulding, on (making by injecting compressed air) is described/following plastic sheet 20,30 is by easy and firm bonding and moulding.
Shown in Fig. 2-4, manufacture method of the present invention is characterised in that:
A. use heating plate and jet method, make template die molded, on described plate is interior/the middle plastic base that accompanies of following plastic sheet, described plastic base has the hollow structure of band hollow sectors, and in the forming process, described plastic sheet and substrate are joined together.
(embodiment: with having 3～10cm
2The honeycomb plate of dummy cell is as substrate)
The first step: in the heating/following plastic sheet
To go up/following plastic sheet 20,30 on/ downside 21,22,31,32 is heated to 170～195 ℃.
Second step:, in substrate, form and cut out air duct by heating plate and last/downside are heated
With the male-type heating plate 70 with heating projection 72 top 111 of substrate 10 is heated to 200～250 ℃, described protruding 72 slave plate main bodys 71 are to outer lug 2～3mm, and heat is passed to dividing plate 114 as the honeycomb plate of substrate 10; The then upside of heated barrier, described protruding 72 inwardly depress 2～3mm to form the runner 116 as air duct with the upside of dividing plate 114; With plate heating plate 80 with lower heating to 200～250 of substrate 10 ℃; Hob described substrate 10 with described plate and male-type heating plate, and heat described substrate 10 on/bottom 111,112.
The 3rd step: in the metal pattern bottom and following plastic sheet are being fixed together down
After bottom 50 being fixed in the following metal pattern 202 of mould 200, pile up the following plastic sheet 30 that is heated to 170～195 ℃ at the upside of described bottom 50.
The 4th step: actuating air entry needle injecting compressed air
The 5th step: make substrate, go up plastic sheet and the top layer is fixed and moulding
When injecting compressed air, with the temperature of frozen state be 80～150 ℃ substrate 10, pile up on the top layer that is heated to 170～195 ℃ last plastic sheet 20 and normal temperature and be fixed to the described upside 31 of plastic sheet 30 down, to go up metal pattern 201 and depress, apply 5～10kgf/cm downwards
3Pressure being used for mold, thereby produce light weight board 100 of the present invention; Described compressed air is directed in the runner 116 that is formed at substrate 10 tops, and to carry out pressure moulding, when compressing with mold with compressed air, the hollow sectors 115 of described honeycomb plate is propped up the described downside 22 of going up plastic sheet 20 with no projection state.
The 6th step: with finished product cooling, stop injecting compressed air and exhaust, and return and evacuate the gas entry needle
With backflow cold water plate 100 is cooled to 40 ℃, after stopping injecting compressed air, the compressed air in the metal die is discharged to the external world, then air injection pin is removed down in the metal pattern 202 for 205 times.
The 7th step: metal pattern, taking-up finished product in the rise
On rising metal pattern, take out after the finished product, come out with regard to manufactured as the light weight board of final products of the present invention.
In aforesaid manufacture method, with having 3～10cm
2The honeycomb plate of dummy cell as substrate 10, to go up/following plastic sheet 20,30 be stacked on described substrate 10 on/downside 111,112, then will as the top layer 40 of non-weaving cloth and bottom 50 be stacked on described on/following plastic sheet 20, on 30/and the bottom, it is also molded to make light weight board that above-mentioned material is engaged.
Especially, heating projection 72 by male-type heating plate 70, compressed air is imported into the runner 116 that is formed in substrate 10 tops and carries out pressure moulding, when compressing with the compressed air that penetrates when molded, the downside 22 of last plastic sheet 20 is propped up with no projection state by the hollow sectors 115 of honeycomb plate.With on 80～150 ℃ of substrates 10 of the state of cooling/bottom, be heated to 170～195 ℃ on/following plastic sheet 20,30, pile up with pressing mold and make it and combine.
In manufacture method of the present invention, with having 3～10cm
2The honeycomb plate 11 of dummy cell to make substrate 10 be preferred embodiment a kind of, also available other different materials with hollow structure except that the honeycomb plate is clipped in the middle as substrate and makes light weight board.
Equally, Fig. 4 is the cutaway view of state of the section 208 of display board 100 and mould 200, the figure shows the forming process of plate, and a side 208 of actual plate and mould has identical structure with opposite side 207.
As shown in Figure 5, as required, with having 3～10cm
2The honeycomb plate 11 of polypropylene material of dummy cell make substrate 10, to go up/following plastic sheet 20,30 be stacked on substrate 10 on/downside 121,122, then will be stacked on/following plastic sheet 20 as the top layer 40 and the bottom 50 of non-weaving cloth, 30 the outside, with above-mentioned material engage, pressing mold to be to make light weight board.
As shown in Figure 6, when being 1～3cm with having area
2The honeycomb plate 12 of dummy cell when making substrate 10, in mould, operate with forming process in because described area is 1～3cm
2The dummy cell structure, the described areas that described 22 of downsides going up plastic sheet 20 are charged in the substrate 10 that honeycomb plate 12 does slightly are 1～3cm
2 Hollow sectors 125 in, this does not need respectively injecting compressed air.When being that area is 1～3cm with having narrow dummy cell structure
2The honeycomb plate 12 of dummy cell when making substrate 10, will go up/following plastic sheet 20,30 and substrate 10 on/downside 121,122 engages and pressing molds, described substrate 10 is for having 1～3cm
2The honeycomb plate of narrow dummy cell structure, this moment, the available following interior manufacture method of runner that extra compressed air need be injected into substrate was made plate of the present invention.
B. by heating, make/following plastic sheet and plastic base with hollow structure of hollow sectors be bonded together, wherein said substrate be sandwiched in described on/centre of following plastic sheet.
(embodiment: with having 1～3cm
2The honeycomb plate of dummy cell is made substrate)
The first step: last/following plastic sheet is heated
To go up/following plastic sheet 20,30 on/ downside 21,22,31,32 is heated to 170～195 ℃.
Second step: with on heating plate cutting and the heated substrates/downside
With heating plate 80 cutting substrates 10, and will with on the substrate 10 of honeycomb plate 12 works/downside 121,122 is heated to 200～250 ℃.
The 3rd step: with bottom, on/following plastic sheet, substrate and top layer are fixed on down in the metal pattern and make it moulding
The 4th step: cooling is also risen upward metal pattern, taking-up finished product
Use/backflow cold water in the following metal pattern cooling water pipe 204 are cooled to 40 ℃ with plate 100, in the rise metal pattern and take out finished product after, just made light weight board 100 as final products of the present invention.
In above-mentioned manufacture method, with having 1～3cm
2The honeycomb plate 12 of dummy cell is made substrate 10, on/following plastic sheet 20,30 be stacked on respectively substrate 10 on/downside 121,122, the top layer 40 and the bottom 50 of non-weaving cloth is stacked on/following plastic sheet 20, on 30/and downside, make all these materials that pile up engage also mold then to make light weight board.
Equally, shown in Fig. 7-9, can adopt as required to have 1～3cm
2The honeycomb plate 12 of narrow dummy cell structure has the hollow sectors 115 and the dividing plate 114 of hollow structure in the described honeycomb plate 12, or contains the foam piece 13,14 of support member 131,141 and hollow sectors 132,142, as substrate 10; The top layer 40 and the bottom 50 of polyester non-woven fabric are stacked on/outside of following plastic sheet 20,30, in mould, make template die of the present invention molded.
In the above description, the bond medium that is used for the downside 22 of the upside 31 of bonding down plastic sheet 30 and last plastic sheet 20 is a polypropylene screen 63,64, its character and plastic sheet 20,30 is identical, polyester non-woven fabric 61,62 be stacked on substrate 10 on/downside, that is: following plastic sheet 30, polypropylene screen 63, polyester non-woven fabric 62, substrate 10, polyester non-woven fabric 61, polypropylene screen 64, last plastic sheet 20 stack gradually from bottom to top; When pressurization in mould with during mold, by the effect as the non-weaving cloth 61,62 and the polypropylene screen 63,64 of bond medium 60, the upside of the downside of the upside of substrate 10 and plastic sheet 20, the downside of substrate 10 and plastic sheet 30 easily is bonded together.
As shown in figure 10, by bond medium 60, have hollow sectors 125,132, the honeycomb plate 12 of 142 hollow structure or foam piece 13 or a corrugated plate 14 in the middle of being sandwiched in, on/following plastic sheet 20,30, the top layer 40 of non-weaving cloth and bottom 50 are bonded in together, molded to be used for, its manufacture method is as follows:
C. by bond medium, the plastic base of last/following plastic sheet with the hollow structure with hollow sectors that is clipped in the middle bonded together, to be used for the molded of plate of the present invention
(embodiment: with having 1～3cm
2The honeycomb plate of dummy cell is made substrate)
The first step: be stained with bond medium in a side of plastic sheet and the both sides of substrate
On extruding/following plastic sheet 20,30 o'clock, with described on/ polypropylene screen 63,64 that following plastic sheet quality is identical also is extruded in a side of plastic sheet, perhaps by heating plastic sheet and polypropylene screen bonded together in extrusion; And on non-weaving cloth 63,64 and the substrate 10/downside bonding then is to realize by with 200～250 ℃ heating plate the upper and lower sides of substrate 10 being heated.
Second step: last/following plastic sheet is heated
To go up/following plastic sheet 20,30 on/ downside 21,22,31,32 is heated to 170～195 ℃.The 3rd step: with bottom, on/following plastic sheet, substrate, top layer, and bond medium piles up and is fixed on down in the metal pattern molded to be used for
Earlier bottom 50 is fixed in the following metal pattern 202 of mould 200, upside at bottom 50 piles up the following plastic sheet 30 that is heated to 170～195 ℃ again, pile up by bonding bond medium non-weaving cloth 61 at the following upside of plastic sheet 30 again, 62 substrate 10, described substrate 10 can be cystosepiment 13, corrugated plating 14 or honeycomb plate 12, plastic sheet 20 on bond medium that the upside of described substrate is done by the polypropylene screen 64 that is heated to 170～195 ℃ 60 is bonding again, pile up the non-weaving cloth top layer 40 of normal temperature again at the upside of last plastic sheet 20, to descend metal pattern 202 fixing, to go up metal pattern 201 and depress, apply 5～10kgf/cm downwards
3Pressure, so just made light weight board 100 of the present invention; When exerting pressure and during moulding, substrate 10, on/bond medium 60 firm bonding together that following plastic sheet 20,30, top layer 40 and bottom 50 are done by non-weaving cloth 61,62 and polypropylene 63,64.
The 4th step: cooling, metal pattern in the rise takes out finished product
Use/after backflow cold water in the following metal pattern cooling water pipe 204 are cooled to 40 ℃ with plate 100, will go up metal pattern 201 and rise, take out finished product, promptly obtained light weight board 100 as final products of the present invention.As mentioned above, when making sheet metal forming in mould, the downside of the upside of substrate 10 and last plastic sheet 20, the upside of following plastic sheet 30 and the downside of substrate 10 are bonded together firmly by bond medium 60, and described bond medium 60 is a non-weaving cloth 61,62 and polypropylene screen 63,64.
At above A to C in the described manufacture method, has hollow sectors 115,125,132, the honeycomb plate 11 of 142 hollow structure, 12,, in the middle of foam piece 13 or corrugated plate 14 be sandwiched in as substrate 10, on/following plastic sheet 20,30 be stacked on described substrate 10 on/downside, the top layer 40 of non-weaving cloth and bottom 50 be stacked on respectively described on/following plastic sheet 20,30 on/downside, thereby in mould 200, make light weight board 100.
In addition, as required, make described honeycomb plate 11,12, the plastic material of foam piece 13 or corrugated plate 14 also can adopt other plastic material such as polyvinyl chloride (PVC), polyethylene (PE) and the polyethylene-vinyl acetate (EVA) etc. except that polypropylene (PP), and plastic material also can be used for making as polyethylene etc. as described in the bottom 50 and the top layer 40 of polyester non-woven fabric.
In the light weight board of the present invention: have hollow sectors 115,125, the light high-stiffness material of 132,142 hollow structure such as foam piece 13, corrugated plate 14 or honeycomb plate 11,12 are clipped in the middle and constitute substrate 10, and described hollow sectors is 1～3cm
2Narrow dummy cell or 3～10cm
2The broad dummy cell, be used to improve rigidity and water proofing property/following plastic sheet 20,30 is stacked on the outside of described substrate 10 respectively, to make plate 100 molded, so just improved the rigidity and the water proofing property of described plate in mould;
The top layer 40 of polyester non-woven fabric and bottom 50 be stacked on described on/outside of following plastic sheet 20,30, to realize the flexible touch of plate outer surface.
In addition, the manufacture method from A to the C step as can be known, described substrate 10 comprises and is clipped in the middle, has hollow sectors 115,125 that the honeycomb plate 11,12 of 132,142 hollow structure, foam piece 13 or corrugated plate 14 are to be used for easy and firm manufacturing plate of the present invention.
Light weight board of the present invention and manufacture method thereof have solved the problem that cost rises, owing to the heavy weight of plate causes motor vehicle fuel than the problem that descends, and mouldy smelly problem, more particularly, reduce the weight of plate, and improved its rigidity and water proofing property.
Though this specification has been enumerated some embodiments of the present invention, it should be understood that those skilled in the art still can make many corrections to the present invention according to spirit of the present invention and the principle that has disclosed, this should belong to protection scope of the present invention.In addition, those skilled in the art arrange conspicuous conversion, the modification done, substitute etc. each part and/or part, also should belong to protection scope of the present invention.
Claims (9)
1. manufacture method as the plate of automotive interior parts, described automotive interior parts is luggage-boot lid for example, and described plate comprises: having area is 3～10cm
2The substrate (10) of dummy cell, this substrate (10) is the honeycomb plate (11) of hollow structure with hollow sectors (115) and dividing plate (114); Be stacked on described substrate (10) on/downside on/following plastic sheet (20,30); Be stacked on described on/following plastic sheet (20,30) on/bottom (50) and top layer (40) of the non-weaving cloth of downside; Above material piles up each other to be used to make light weight board (100), and its manufacture method is divided into following seven steps:
By adopting heating plate and air injecting method, molded acquisition plate (100), in this plate (100), on/plastic base that following plastic sheet will have a hollow structure of hollow sectors is clipped in the middle; With having area is 3～10cm
2The honeycomb plate of dummy cell make substrate,
The first step: in the heating/following plastic sheet
To go up/following plastic sheet (20,30) on/downside (21,22,31,32) is heated to 170～195 ℃;
Second step: in substrate, form and cut out air duct with heating plate, and on the heated substrates/downside
With male-type heating plate (70) top (111) of substrate (10) is heated to 200～250 ℃ with heating projection (72), described projection (72) slave plate main body (71) is to outer lug 2～3mm, and heat is passed to dividing plate (114) as the honeycomb plate of substrate (10); Follow the upside of heated barrier, described projection (72) is inwardly depressed 2～3mm to form the runner (116) as air duct with the upside of dividing plate (114); With plate heating plate (80) with lower heating to 200～250 of substrate (10) ℃; Hob described substrate (10) with described plate and male-type heating plate, and heat described substrate (10) on/bottom (111,112);
The 3rd step: fixedly bottom and following plastic sheet in following metal pattern
Earlier bottom (50) is fixed in the following metal pattern (202) of mould (200), the upside at described bottom (50) piles up the following plastic sheet (30) that is heated to 170～195 ℃ again;
The 4th step: actuating air entry needle injecting compressed air
Air injection pin (205) in the described metal pattern (202) is down boosted, pierce through bottom (50) and following plastic sheet (30), injection pressure is 5kgf/cm
3Compressed air;
The 5th step: substrate, last plastic sheet and top layer are fixed, molded
When injecting compressed air, the temperature of frozen state is 80～150 ℃ substrate (10), is heated to 170～195 ℃ last plastic sheet (20) and the upside (31) of plastic sheet (30) is piled up and is fixed to down on the top layer of normal temperature, to go up metal pattern (201) and depress, apply 5～10kgf/cm downwards
3Pressure being used for mold, thereby produce light weight board of the present invention (100); Described compressed air is directed in the runner (116) that is formed at substrate (10) top, to carry out pressure moulding, when compressing with mold with compressed air, the hollow sectors of described honeycomb plate (115) is propped up the described downside (22) of going up plastic sheet (20) with no projection state;
The 6th step: with finished product cooling, stop injecting compressed air and exhaust, and return and evacuate the gas entry needle
With backflow cold water plate (100) is cooled to 40 ℃, after stopping injecting compressed air, the compressed air in the metal die is discharged to the external world, air injection pin (205) is returned remove down in the metal pattern (202) then;
The 7th step: metal pattern, taking-up finished product in the rise;
On rising metal pattern, take out after the finished product, come out with regard to manufactured as the light weight board of final products of the present invention.
2. manufacture method as the plate of automotive interior parts, described automotive interior parts is luggage-boot lid for example, and described plate comprises: having area is 1～3cm
2The substrate (10) of dummy cell, this substrate (10) is the honeycomb plate (12) of hollow structure with hollow sectors (125) and dividing plate (124); Be stacked on described substrate (10) on/downside on/following plastic sheet (20,30); Be stacked on described on/following plastic sheet (20,30) on/bottom (50) and top layer (40) of the non-weaving cloth of downside; Above material piles up each other to be used to make light weight board (100), and its manufacture method is divided into following four steps:
By heating, make/following plastic sheet and plastic base with hollow structure of hollow sectors be bonded together, wherein said substrate be sandwiched in described on/centre of following plastic sheet; With having 1～3cm
2The honeycomb plate of dummy cell is made substrate,
The first step: last/following plastic sheet is heated
To go up/following plastic sheet (20,30) on/downside (21,22,31,32) is heated to 170～195 ℃;
Second the step: with heating plate hob with heated substrates on/downside
With heating plate (80) will as on the honeycomb plate (12) of substrate (10)/downside (121,122) is heated to 200～250 ℃, and hobs described substrate;
The 3rd step: with bottom, on/following plastic sheet, substrate and top layer are fixed on down in the metal pattern and make it moulding
Earlier bottom (50) is fixed in the following metal pattern (202) of mould (200), upside at described bottom (50) piles up the following plastic sheet (30) that is heated to 170～195 ℃ then, pile up 80～150 ℃ substrate (10) of frozen state again at the upside of following plastic sheet (30), pile up the last plastic sheet (20) that is heated to 170～195 ℃ at substrate (10) upside, on last plastic sheet (20), pile up the top layer (40) of normal temperature at last; Above all lamellas that pile up are fixed, will be gone up metal pattern (201) then and depress, apply 5～10kgf/cm downwards
3Pressure being used for mold, thereby produce light weight board (100); When exerting pressure with mold, the downside (22) of last plastic sheet (20) is not had the hollow sectors (125) of the substrate of projection state and is propped up, and described hollow sectors (125) is 1～3cm in the honeycomb plate (12)
2The dummy cell structure;
The 4th step: cooling is also risen upward metal pattern, taking-up finished product
Use/backflow cold water in the following metal pattern cooling water pipe (204) is cooled to 40 ℃ with plate (100), in the rise metal pattern and take out finished product after, just made light weight board (100) as final products of the present invention.
3. manufacture method as the plate of automotive interior parts, described automotive interior parts is luggage-boot lid for example, and described plate comprises: having area is 1～3cm
2The substrate (10) of dummy cell, this substrate (10) is honeycomb plate (12) or the corrugated plate (14) or the foam piece (13) of hollow structure with hollow sectors (125,132,142) and support member (131,141); Be stacked on described substrate (10) on/downside on/following plastic sheet (20,30); Be stacked on described on/following plastic sheet (20,30) on/bottom (50) and top layer (40) of the non-weaving cloth of downside; Above material piles up each other to be used to make light weight board (100), and its manufacture method is divided into following four steps:
By bond medium, the plastic base of last/following plastic sheet with the hollow structure with hollow sectors that is clipped in the middle bonded together, to be used for the molded of plate of the present invention; With having 1～3cm
2The honeycomb plate of dummy cell is made substrate,
The first step: be stained with bond medium in a side of plastic sheet and the both sides of substrate
On extruding/during following plastic sheet (20,30), simultaneously a side of described plastic sheet extrude with described on/polypropylene screen (63,64) that following plastic sheet quality is identical, perhaps in extrusion, plastic sheet and polypropylene screen are bonded together by heating; And non-weaving cloth (63,64) and substrate (10) on/downside bonding then is to realize by with 200～250 ℃ heating plate the upper and lower sides of substrate (10) being heated;
Second step: last/following plastic sheet is heated
To go up/following plastic sheet (20,30) on/downside (21,22,31,32) is heated to 170～195 ℃; The 3rd step: with bottom, on/following plastic sheet, substrate, top layer, and bond medium piles up and is fixed on down in the metal pattern molded to be used for
Earlier bottom (50) is fixed in the following metal pattern (202) of mould (200), upside at bottom (50) piles up the following plastic sheet (30) that is heated to 170～195 ℃ again, pile up by bonding bond medium non-weaving cloth (61 at the following upside of plastic sheet (30) again, 62) substrate (10), described substrate (10) can be cystosepiment (13), corrugated plating (14) or honeycomb plate (12), the bonding plastic sheet of doing by the polypropylene screen (64) that is heated to 170～195 ℃ at the upside of described substrate (20) of going up of bond medium (60) again, pile up the non-weaving cloth top layer (40) of normal temperature again at the upside of last plastic sheet (20), to descend metal pattern (202) fixing, to go up metal pattern (201) and depress, apply 5～10kgf/cm downwards
3Pressure, so just made light weight board of the present invention (100); When exerting pressure and during moulding, substrate (10), on/following plastic sheet (20,30), top layer (40) and bottom (50) be by firm the bonding together of bond medium of non-weaving cloth (61,62) and polypropylene (63,64) work;
The 4th step: cooling, metal pattern in the rise takes out finished product
Use/after backflow cold water in the following metal pattern cooling water pipe (204) is cooled to 40 ℃ with plate (100), will goes up metal pattern (201) and rise, take out finished product, promptly obtained light weight board (100) as final products of the present invention.
4. light weight board as automotive interior parts, described automotive interior parts is luggage-boot lid for example, it is characterized in that: pile up top layer (40) and the bottom (50) that polyester non-woven fabric is arranged in the outside of last/following plastic sheet (20,30),
This has improved the rigidity and the water proofing property of described plate, and makes the outer surface of plate have flexible touch.
5. light weight board according to claim 4 is characterized in that: described have 1～3cm
2Dummy cell or 3～10cm
2The substrate of dummy cell (10) is for comprising the honeycomb plate (11,12) of hollow sectors (115,125) and dividing plate (114,124).
6. light weight board according to claim 4 is characterized in that: described substrate (10) is foam piece (13) or corrugated plate (14), and this foam piece (13) or corrugated plate (14) comprise hollow sectors (132,142) and support member (131,141).
7. light weight board according to claim 4, it is characterized in that: being used for making the easily bonding bond medium (60) of each layer of plate is non-weaving cloth (61,62) and polypropylene screen (63,64), described non-weaving cloth (61,62) be stacked on substrate (10) on/downside, described polypropylene screen (63,64) is stacked on the upside of plastic sheet (30) and the downside of plastic sheet (20).
8. according to the manufacture method of any described light weight board of claim 1-3, it is characterized in that: on described/following plastic sheet (20,30) be composite material sheet, in described plastic sheet, in the thick acrylic resin of 0.5～2mm, include organic and inorganic filler such as talcum powder.
9. light weight board according to claim 4 is characterized in that: on described/following plastic sheet (20,30) is a composite material sheet, in described plastic sheet, include organic and inorganic filler such as talcum powder in the thick acrylic resin of 0.5～2mm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060079999 | 2006-08-23 | ||
| KR10-2006-0079999 | 2006-08-23 | ||
| KR1020060079999A KR100779266B1 (en) | 2006-08-23 | 2006-08-23 | Light weight board and preparing method |
Publications (2)
| Publication Number | Publication Date |
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| CN101130289A true CN101130289A (en) | 2008-02-27 |
| CN101130289B CN101130289B (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007101469327A Expired - Fee Related CN101130289B (en) | 2006-08-23 | 2007-08-22 | Light weight board and preparing method |
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| Country | Link |
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| KR (1) | KR100779266B1 (en) |
| CN (1) | CN101130289B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584939A (en) * | 2012-06-18 | 2017-04-26 | R.A.投资管理有限公司 | Process for making a laminated sheet |
| CN108883595A (en) * | 2016-03-14 | 2018-11-23 | 凯姆科尔株式会社 | Foldable cellular shape structure and its manufacturing method |
| CN112034900A (en) * | 2020-09-10 | 2020-12-04 | 焦作大学 | Automatic temperature regulating and controlling device for computer host and control method thereof |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100895341B1 (en) * | 2007-11-23 | 2009-05-07 | 한양소재 주식회사 | A functional board and preparing method |
| KR101134295B1 (en) | 2010-07-19 | 2012-04-13 | 한일이화주식회사 | Lightweight multi-layer and method for making the same |
| KR102086180B1 (en) | 2014-01-03 | 2020-03-06 | 현대자동차주식회사 | Complex materials having excellent thermal and excellent moldability and Preparing method thereof |
| KR20170004633A (en) | 2015-07-03 | 2017-01-11 | 현대자동차주식회사 | Complex materials having excellent thermal and excellent moldability and Preparing method thereof |
| KR101994417B1 (en) | 2018-05-11 | 2019-06-28 | (주)신화테크 | Water cooling type molding apparatus for heat forming bubble sheet |
| KR102039513B1 (en) | 2018-05-11 | 2019-11-01 | (주)신화테크 | Air cooling type molding apparatus for heat forming bubble sheet |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094443U (en) * | 1991-04-20 | 1992-01-29 | 重庆壁山汽车装饰件厂 | Energy-absorbing composite decorative panel |
| JPH05154953A (en) * | 1991-12-03 | 1993-06-22 | Toyo Tire & Rubber Co Ltd | Production of base material for interior material |
| CN2150044Y (en) * | 1992-12-04 | 1993-12-22 | 江西朝阳机械厂 | Light-weight composite plate |
| JPH07227939A (en) * | 1994-02-16 | 1995-08-29 | Toray Ind Inc | Honeycomb cocuring molding method |
| JP3649380B2 (en) * | 1999-03-17 | 2005-05-18 | 本田技研工業株式会社 | Vehicle roofing |
| KR100561246B1 (en) * | 2004-03-11 | 2006-03-21 | 강대환 | Honeycomb Core Made of Thermofusible Material |
| JP4384573B2 (en) * | 2004-09-17 | 2009-12-16 | 王子インターパック株式会社 | Laminate for automotive interior ceiling materials |
-
2006
- 2006-08-23 KR KR1020060079999A patent/KR100779266B1/en active IP Right Grant
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2007
- 2007-08-22 CN CN2007101469327A patent/CN101130289B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584939A (en) * | 2012-06-18 | 2017-04-26 | R.A.投资管理有限公司 | Process for making a laminated sheet |
| CN106584939B (en) * | 2012-06-18 | 2018-10-30 | 奴格瑞普米特有限公司 | Method for manufacturing laminate |
| CN108883595A (en) * | 2016-03-14 | 2018-11-23 | 凯姆科尔株式会社 | Foldable cellular shape structure and its manufacturing method |
| CN108883595B (en) * | 2016-03-14 | 2021-08-24 | 凯姆科尔株式会社 | Folded honeycomb structure and method of making same |
| CN112034900A (en) * | 2020-09-10 | 2020-12-04 | 焦作大学 | Automatic temperature regulating and controlling device for computer host and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101130289B (en) | 2010-12-29 |
| KR100779266B1 (en) | 2007-11-29 |
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