CN105415455A - Fibre composite board for bottom board of railway vehicle and manufacturing method thereof - Google Patents

Fibre composite board for bottom board of railway vehicle and manufacturing method thereof Download PDF

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Publication number
CN105415455A
CN105415455A CN201510948107.3A CN201510948107A CN105415455A CN 105415455 A CN105415455 A CN 105415455A CN 201510948107 A CN201510948107 A CN 201510948107A CN 105415455 A CN105415455 A CN 105415455A
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CN
China
Prior art keywords
composite
layers
layer
rail vehicle
composite felt
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Pending
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CN201510948107.3A
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Chinese (zh)
Inventor
李延军
许斌
程大莉
何文
梁星宇
张晓冬
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Nanjing Forestry University
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Nanjing Forestry University
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Application filed by Nanjing Forestry University filed Critical Nanjing Forestry University
Priority to CN201510948107.3A priority Critical patent/CN105415455A/en
Publication of CN105415455A publication Critical patent/CN105415455A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/14Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10Next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/12Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
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    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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    • B32B5/02Layered 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
    • B32B5/08Layered 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 the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/22Layered 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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered 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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26Layered 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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/042Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
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    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00Construction details of vehicle bodies
    • B61D17/04Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/10Floors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/20All layers being fibrous or filamentary
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02Synthetic macromolecular fibres
    • B32B2262/0253Polyolefin fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06Vegetal fibres
    • B32B2262/062Cellulose fibres, e.g. cotton
    • B32B2262/065Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/101Glass fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14Mixture of at least two fibres made of different materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B2309/12Pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B32B2605/00Vehicles
    • B32B2605/10Trains

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a fibre composite board for a bottom board of a railway vehicle and a manufacturing method thereof. The structure of the fibre composite board is composed of three layers which are all composite felts made from bamboo fibre bundles and chemical fibres, or composed of an upper surface layer and a lower surface layer which are made from a layer of thin bamboo curtain with longitudinal textures or a layer of single wood board, and compounded by virtue of sustainable and high-elasticity-modulus bamboo fibre bundles and chemical fibres, and through vertical threading sewing of high-strength fine chemical fibre lines, so that the internal bonding strength, mechanical strength and fatigue resistance of the composite bottom board can be greatly improved. According to the invention, the continuous long compartment bottom plate for a railway can be produced through a fixed pressing machine through the three-section manufacturing process of heating, heat bonding and cooling forming for the three layers respectively, and has the advantages of being high in internal bonding strength, ageing resistance, corrosion resistance, fatigue resistance and the like; and all the performance indexes of the bottom board meet the technical requirements of railway vehicle industry.

Description

A kind of rail vehicle base plate fiber composite plate and manufacture method thereof
Technical field
What the present invention relates to is with multilayer composite fiber felt, produces base plate used for rail vehicle and manufacture method thereof, belongs to the wood-based plate manufacturing technology field in timber industry.
Background technology
Platform floor is the main supporting body of vehicle, and rail vehicle requires that base plate has higher mechanical property and shock resistance, and appearance looks elegant also has antiseptic property, sound insulation value and ageing-resistant performance.Existing rail vehicle base plate is mainly birch plywood base plate and aluminum honeycomb panel, and birch plywood platform floor exists the not good shortcoming of antiseptic property difference, soundproof effect difference and flame retardant effect, and Railway Car Plant is difficult to accept; The cemented surface that aluminum honeycomb panel exists between internal layer honeycomb and sheet surface layer is few, the defects such as easy detrusion and depression.The present invention utilizes special bamboo fiber bundle and chemical fibre, by adopting special manufacturing process, track platform floor can be obtained, there is the advantages such as internal bond strength is high, ageing-resistant performance good, antiseptic property is good, fatigue performance is good, and the sustainable bamboo fiber bundle that china natural resources is abundant can be utilized, widen the source of base plate material, there is far-reaching realistic meaning.
Summary of the invention
The object of this invention is to provide one with multilayer composite fiber to produce rail vehicle base plate and manufacture method.The bamboo fiber bundle utilizing elastic modelling quantity high and chemical fibre are composited, and by adopting interting up and down of high-strength chemical-fibre fine rule to sew, greatly can improve the internal bond strength of composite bottom board, mechanical strength and fatigue durability.And produce sheet material long continuously by stationary press.In order to top layer is attractive in appearance, one deck PVC floor leather can be posted at fiber composite plate skin, or aluminum alloy plate materials.
Technical solution of the present invention: a rail vehicle base plate fiber composite plate, it is characterized in that being made up of three layers of composite felt 1, every layer of composite felt 1 by the bamboo fiber bundle and 60 ~ 40% that account for gross weight 40 ~ 60% chemical fibre-polypropylene fibre PP and in composite felt, intert sewing up and down with polypropylene fibre PP fine rule form.
Its manufacture method, comprises following processing step:
A, Wooden veneer, thin bamboo curtain splint sorting and arrangement, Wooden veneer moisture content≤10%, according to required single spreading, glue-spread 160 ~ 180g/m 2, ageing or low temperature drying; And thin bamboo curtain splint is done to moisture content less than 12%, through one side spraying phenol glue and through low temperature drying to moisture content less than 18%;
Bamboo fiber bundle (40 ~ 60%) and chemical fibre-polypropylene fibre (PP) (60 ~ 40%) etc. are fabricated to fibrofelt by the manufacture of b, composite felt, and are used PP fine rule to intert up and down on felt to sew;
C, assembly and shaping, three layers of composite felt are used alone, three layers of composite felt are respectively 170 ~ 210 DEG C, 40 ~ 100 DEG C, 20 ~ 70 DEG C in the maximum temperature of three block pressur plates, under maximum pressure is respectively the pressure of 0.5MPa, 4.0MPa, 4.0MPa, laser heating, heat bonding and cooling forming manufacturing procedure are carried out in segmentation, the time of every is 3 ~ 12 minutes, then out in type continuous sheet material, blocks by Len req.During as three layers of composite felt and the Material cladding such as Wooden veneer, thin bamboo curtain splint are used, three layers of first maximum temperature at first piece of composite felt are heat in the heating platen of 170 ~ 210 DEG C, then after the bamboo curtain splint three layers of composite felt and Hot-blast Heating crossed or veneer assembly, put into heat bonding and solidification in the second block pressur plate together while hot, temperature and pressure and later step are the same.
Advantage of the present invention: China can be effectively utilized have that growth is fast, the cycle is short, can cut selectively every year, bamboo timber resource-bamboo fiber bundle that the sustainable utilization time is long, and chemical fibre, bamboo curtain splint, veneer etc.Independent or the compound use by these materials, through design and the reasonably combination of science, can solve the technical barrier producing to meet the Novel bottom plate that high speed railway car industrial technology requires in enormous quantities.Be the composite felt of bamboo fiber bundle and chemical fibre entirely with three layers; Or more the composite felt that layer material respectively adopts the thin bamboo curtain splint of the longitudinal texture of one deck, centre is three layers of bamboo fibre and chemical fibre, the back side spraying phenol glue of the thin bamboo curtain splint of this longitudinal texture; Or more the composite felt that layer material respectively adopts the longitudinal texture veneer of one deck, centre is three layers of bamboo fibre and chemical fibre, this longitudinal texture loose side spraying phenol glue.In order to top layer is attractive in appearance, one deck PVC floor leather can be posted at fiber composite plate skin, or aluminium alloy plate, or epoxy glass fiber plate etc.The property indices such as its intensity, internal bond strength, elastic modelling quantity, can meet the technical requirement of rail vehicle factory base plate completely.
Accompanying drawing explanation
Accompanying drawing 1 is rail vehicle base plate fiber composite plate structure (embodiment 1) schematic diagram.
Accompanying drawing 2 is rail vehicle base plate fiber composite plate structure (embodiment 2) schematic diagrames.
Accompanying drawing 3 is rail vehicle base plate fiber composite plate structure (embodiment 3) schematic diagrames.
Accompanying drawing 4 is a kind of rail vehicle base plate fiber composite plate continuous seepage schematic diagrames.
In figure: 1 is composite felt, to be bamboo fiber bundle (40 ~ 60%) form with chemical fibre-polypropylene fibre (PP) (60 ~ 40%) composite felt, and used PP fine rule to intert up and down on felt to sew, and the thickness of composite felt is 8 ~ 30mm; 2 is the thin bamboo curtain splints of longitudinal texture, and thickness is 0.8 ~ 1.8mm, and the one side that the thin bamboo curtain splint of this longitudinal texture is combined with composite felt sprays phenol glue; 3 is longitudinal texture Wooden veneers, and thickness is 0.8 ~ 1.8mm, and the one side that this Wooden veneer is combined with composite felt sprays or roller coat phenol glue.; 4 is typing pressure plates; 5 is cooling pressing plates; 6 is sheet formings; 7 is heating plates; 8 is oil cylinders.
Detailed description of the invention
Contrast accompanying drawing 1, its structure is made up of three layers of composite felt 1, and every layer of composite felt 1 by the bamboo fiber bundle of gross weight 40 ~ 60% and the chemical fibre-polypropylene fibre PP of 60 ~ 40%, and is interted sewing up and down with polypropylene fibre PP fine rule and formed on felt.
Contrast accompanying drawing 2, its structure is the upper epidermis of three layers of composite felt, layer is the thin bamboo curtain splint 2 of longitudinal texture, and the thin bamboo curtain splint 2 of described longitudinal texture sprays phenol glue with the faying face of the composite felt in upper epidermis, layer, and spray glue-spread is 200g/m 2, after spraying through low temperature drying to moisture content 12 ~ 18%;
Contrast accompanying drawing 3, its structure is the upper epidermis of three layers of composite felt, layer is two-layer longitudinal texture Wooden veneer 3, described longitudinal texture Wooden veneer 3 is coated with phenol glue with the two-layer longitudinal texture Wooden veneer 3 in upper epidermis, layer with the faying face of composite felt, and glue amount is 180g/m 2, after gluing through low temperature drying to moisture content 12 ~ 18%;
Embodiment 1:
As shown in Figure 1,
The manufacture method of rail vehicle base plate fiber composite plate is as follows:
A, composite felt, be fabricated to 12mm fibrofelt by bamboo fiber bundle 45% and chemical fibre-polypropylene fibre (PP) 55%, and used PP fine rule to intert up and down on felt to sew;
B, assembly and shaping, three layers of composite felt are respectively 190 DEG C, 60 DEG C, 50 DEG C in the maximum temperature of three block pressur plates, maximum pressure is that under the pressure of 0.2MPa, 3.0MPa, 3.0MPa, laser heating, heat bonding and cooling forming manufacturing procedure are carried out in segmentation, the time of every is 9 minutes, then out in type continuous sheet material, blocks by Len req.
After conventional post-production, can obtain finished product is 18mm rail vehicle base plate fiber composite plate, and its physical and mechanical property is as follows:
MOR∥:≥25MPa
MOR⊥:≥25MPa
MOE∥:≥3000MPa
MOE⊥:≥3000MPa
Density: 0.70 ~ 0.85g/cm 3.
Embodiment 2:
As shown in Figure 2,
The manufacture method of rail vehicle base plate fiber composite plate is as follows:
A, bamboo curtain splint sorting and arrangement, do to moisture content less than 10% by thin bamboo curtain splint thick for 1.2mm, through one side spraying phenol glue and through low temperature drying to moisture content less than 18%;
B, composite felt, be fabricated to 10mm fibrofelt by bamboo fiber bundle 50% and chemical fibre-polypropylene fibre (PP) 50%, and used PP fine rule to intert up and down on felt to sew;
C, assembly and shaping, three layers of composite felt are carried out heating 8 minutes through 200 DEG C of first heating plates 7, when entering second piece of typing pressure plate 4, will be positioned over the upper and lower surface of three layers of composite felt through Hot-blast Heating to the thin bamboo curtain splint of 80 DEG C, the one side contacted with sandwich layer has phenol glue, then second piece of typing pressure plate 4 is together entered, under the pressure of 3MPa, under the heat of sandwich layer composite felt, top layer bamboo curtain splint and composite felt are combined securely, three layers of composite felt also combined through 8 minutes under melting state simultaneously; Then the top board of equipment lifts simultaneously, slab enters the 3rd piece of cooling pressing plate 5 jointly, in the temperature 30 DEG C of the 3rd piece of cooling pressing plate, maximum pressure is cooling forming under the pressure of 3.0MPa, through the cooling and shaping of 8 minutes, equipment cooling top board lift, now out be shaping continuous sheet material 6, block by Len req.
After conventional post-production, can obtain finished product is 18mm rail vehicle base plate fiber composite plate, and its physical and mechanical property is as follows:
MOR∥:≥60MPa
MOR⊥:≥25MPa
MOE∥:≥5000MPa
MOE⊥:≥2500MPa
Density: 0.75 ~ 0.90g/cm 3.
Embodiment 3,
The structure of rail vehicle base plate fiber composite plate as Fig. 3,
The manufacture method of rail vehicle base plate fiber composite plate is as follows:
A, Wooden veneer sorting and arrangement, Wooden veneer moisture content≤10%, single spreading, glue-spread 160 ~ 180g/m 2, ageing or low temperature drying are to surface drying;
B, composite felt, be fabricated to 10mm fibrofelt by bamboo fiber bundle 50% and chemical fibre-polypropylene fibre (PP) 50%, and used PP fine rule to intert up and down on felt to sew;
C, assembly and shaping, three layers of composite felt are carried out heating 8 minutes through 200 DEG C of first heating plates 7, when entering second piece of typing pressure plate 4, will be positioned over the upper and lower surface of three layers of composite felt through Hot-blast Heating to the Wooden veneer of 80 DEG C, the one side contacted with sandwich layer has phenol glue, then second piece of typing pressure plate 4 is together entered, under the pressure of 3MPa, under the heat of sandwich layer composite felt, face ply and composite felt are combined securely, three layers of composite felt also combined through 8 minutes under melting state simultaneously; Then the top board of equipment lifts simultaneously, slab enters the 3rd piece of cooling pressing plate 5 jointly, at the cooling water temperature less than 40 DEG C of the 3rd piece of cooling pressing plate 5, maximum pressure is cooling forming under the pressure of 3.0MPa, through the cooling and shaping of 8 minutes, equipment top board lifts, now out be shaping continuous sheet material 6, block by Len req.
After conventional post-production, can obtain finished product is 18mm rail vehicle base plate fiber composite plate, and its physical and mechanical property is as follows:
MOR∥:≥45MPa
MOR⊥:≥25MPa
MOE∥:≥5000MPa
MOE⊥:≥2500MPa
Density: 0.75 ~ 0.90g/cm 3.

Claims (9)

1. rail vehicle base plate fiber composite plate, it is characterized in that being made up of three layers of composite felt, every layer of composite felt 1 is made up of the chemical fibre-polypropylene fibre PP of the bamboo fiber bundle and 60 ~ 40% that account for gross weight 40 ~ 60%, and in composite felt, interts sewing up and down with polypropylene fibre PP fine rule form.
2. rail vehicle base plate fiber composite plate according to claim 1, it is characterized in that the upper epidermis of three layers of described composite felt, layer is the thin bamboo curtain splint of longitudinal texture, the faying face of the composite felt on the thin bamboo curtain splint of this longitudinal texture and upper epidermis, layer sprays phenol glue, and spray glue-spread is 200g/m 2, after spraying through low temperature drying to moisture content 12 ~ 18%.
3. rail vehicle base plate fiber composite plate according to claim 1, it is characterized in that the upper epidermis of three layers of described composite felt, layer is two-layer longitudinal texture Wooden veneer, two-layer longitudinal texture Wooden veneer on described longitudinal texture Wooden veneer and upper epidermis, layer and the faying face of composite felt spray phenol glue, and glue amount is 180g/m 2, after gluing through low temperature drying to moisture content 12 ~ 18%.
4. rail vehicle base plate fiber composite plate according to claims 1 to 3, what it is characterized in that described fiber composite plate respectively posts the thin bamboo curtain splint of one deck up and down, or one deck PVC floor leather, or one deck aluminium alloy plate surface layer.
5. rail vehicle base plate fiber composite plate according to claims 1 to 3, is characterized in that the thickness of described composite felt is 8 ~ 30mm.
6. rail vehicle base plate fiber composite plate according to claim 2, it is characterized in that the described thin bamboo curtain splint of longitudinal texture, thickness is 0.8 ~ 1.8mm.
7. rail vehicle base plate fiber composite plate according to claim 3, it is characterized in that described longitudinal texture Wooden veneer, thickness is 0.8 ~ 1.8mm.
8. rail vehicle base plate fiber composite plate according to claim 1, it is characterized in that described bamboo fiber bundle can change flaxen fiber into, polypropylene fibre may also be polypropylene fibre, terylene.
9., as the manufacture method of the rail vehicle base plate fiber composite plate of claims 1 to 3, it is characterized in that the method comprises following processing step:
A) Wooden veneer, thin bamboo curtain splint sorting and arrangement, Wooden veneer moisture content≤10%, according to required single spreading, glue-spread 160 ~ 180g/m 2, ageing or low temperature drying; And thin bamboo curtain splint is done to moisture content less than 10%, through one side spraying phenol glue and through low temperature drying to moisture content less than 18%;
B) composite felt, by bamboo fiber bundle (40 ~ 60%) and chemical fibre-polypropylene fibre (PP) (60 ~ 40%) through shredding, mix and to mat formation and acupuncture becomes fibrofelt up and down, and fibrofelt interted up and down sewing with PP fine rule;
C) assembly and shaping, three layers of composite felt are used alone, three layers of composite felt are respectively 170 ~ 210 DEG C, 40 ~ 100 DEG C, 20 ~ 70 DEG C in the temperature of three block pressur plates, under power is respectively the pressure of 0.5MPa, 4.0MPa, 4.0MPa, laser heating, heat bonding and cooling forming are carried out in segmentation, the time of every is 3 ~ 12 minutes, continuous sheet material after shaping, blocks by Len req;
D) when three layers of composite felt and Wooden veneer, thin bamboo curtain splint Material cladding use, three layers of first temperature at first piece of composite felt are heat in the heating platen of 170 ~ 210 DEG C, then after the bamboo curtain splint three layers of composite felt and Hot-blast Heating crossed or veneer assembly, put heat bonding and solidification in the second block pressur plate together into, repeat step c) to n block pressur plate, n=3.
CN201510948107.3A 2015-12-17 2015-12-17 Fibre composite board for bottom board of railway vehicle and manufacturing method thereof Pending CN105415455A (en)

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