CN110861567A - Lightweight carriage plate - Google Patents

Lightweight carriage plate Download PDF

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Publication number
CN110861567A
CN110861567A CN201911137060.7A CN201911137060A CN110861567A CN 110861567 A CN110861567 A CN 110861567A CN 201911137060 A CN201911137060 A CN 201911137060A CN 110861567 A CN110861567 A CN 110861567A
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CN
China
Prior art keywords
layer
panel
mulching film
plate
glue
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Pending
Application number
CN201911137060.7A
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Chinese (zh)
Inventor
乐洪辉
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Jiangxi Jiangling Group Special Dedicated Vehicle Co Ltd
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Jiangxi Jiangling Group Special Dedicated Vehicle Co Ltd
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Priority to CN201911137060.7A priority Critical patent/CN110861567A/en
Publication of CN110861567A publication Critical patent/CN110861567A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/20—Refrigerated goods vehicles
    • 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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • 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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin 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
    • 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
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered 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
    • 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
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    • 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
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • 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
    • B32B37/10—Methods 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
    • 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
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 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
    • B32B5/245—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 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 being a foam 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
    • B62D33/048—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains for refrigerated goods vehicles
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0221—Vinyl resin
    • B32B2266/0228—Aromatic vinyl resin, e.g. styrenic (co)polymers
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2439/00—Containers; Receptacles

Abstract

The invention discloses a lightweight carriage plate and a production process thereof, and the lightweight carriage plate comprises a first panel layer, a second panel layer, a core plate layer, a ground film layer and an adhesive, wherein the first panel layer is made of food-grade glass fiber reinforced plastics, and the second panel layer is made of a thermoplastic composite material plate. The core plate layer is any one of flame-retardant B2 polystyrene extruded foam and flitch, flame-retardant B2 polystyrene extruded foam and embedded iron, flame-retardant B2 polystyrene extruded foam and embedded skeleton, and flame-retardant B2 polystyrene extruded foam and heat-insulating material, the ground film layer is PE mulching film, and the adhesive is special resin adhesive. The weight of the carriage plate can be reduced while the required rigidity of the carriage plate is kept.

Description

Lightweight carriage plate
Technical Field
The invention relates to the technical field of carriage plate production, in particular to a light-weight carriage plate.
Background
With the increasing development of human society, automobiles have become an indispensable vehicle for life. Automotive weight reduction, rather than simply reducing the weight of an automobile without technical content, such as carbon fiber, in fact represents the most advanced automotive technology today. The light weight of the automobile reduces the preparation quality of the automobile as much as possible on the premise of ensuring the hardness and the safety performance of the automobile, thereby improving the power utilization rate of the automobile, reducing the fuel consumption and reducing the exhaust pollution. Authoritative research shows that if the weight of the whole automobile is reduced by 10%, the fuel efficiency can be improved by 6% -8%; the oil consumption can be reduced by 0.3-0.6 liter per hundred kilometers when the mass of the vehicle is reduced by 100 kilograms; the weight of the automobile is reduced by 1 percent, and the oil consumption can be reduced by 0.7 percent. In driving, the acceleration performance of the automobile is improved after the automobile is lightened, and the braking distance is reduced due to the small inertia in collision. Furthermore, carbon dioxide emissions can be reduced by about 5 grams per kilometer for each 100 kilograms of vehicle. Therefore, the energy-saving and environment-friendly benefits of the light weight of the automobile are not inferior to the oil-saving technology of the automobile engine technology. . In the automobile body and the automobile body accessories, the requirements of new materials and new processes in the aspect are improved, and the light carriage body is inoculated.
Cold chain logistics use both carriage plate containers for carriage plate product logistics on inland highways and carriage plate vehicles with carriage plate containers for marine logistics between international. The inner wall of traditional carriage plate car and carriage plate container adopts aluminum plate or stainless steel sheet, and not only weight is heavy price, and heat-conduction speed is fast, is unfavorable for keeping carriage plate low temperature.
Disclosure of Invention
The invention provides a light carriage plate, which aims to solve the problems that the traditional carriage plate vehicle and a carriage plate container in the background technology are heavy in weight, high in price, high in heat conduction speed and not beneficial to keeping the carriage plate at a low temperature.
In order to realize the purpose, a lightweight compartment plate comprises a first panel layer, a second panel layer, a core plate layer and a mulching film layer, wherein the core plate layer is arranged between the first panel layer and the second panel layer, the first panel layer and the second panel layer are respectively bonded with the core plate layer through an adhesive, the first panel layer is made of glass fiber reinforced plastic fibers and is 1-1.5mm thick, the second panel layer is made of a thermoplastic composite material plate and is 0.8-1.2mm thick, the core plate layer is made of flame-retardant B2 polystyrene extruded foam and batten, flame-retardant B2 polystyrene extruded foam and embedded iron, flame-retardant B2 polystyrene extruded foam and embedded skeleton, flame-retardant B2 polystyrene extruded foam and heat-insulating material, and the core plate layer is 12-15mm thick.
Preferably, the first panel layer is made of food grade glass fiber reinforced plastic.
Preferably, the thermoplastic composite material plate of the second panel layer mainly comprises PP + glass fibers, PA + glass fibers, PVC + glass fibers, PP + carbon fibers, PVC + carbon fibers, PPS + carbon fibers and the like.
Preferably, the ground film layer is a PE ground film with the thickness of 0.2-0.5 mm.
Preferably, the adhesive is a special resin adhesive, and can be polyurethane foaming adhesive.
The production process of the light carriage plate is characterized by comprising the following steps of:
s1, preparing materials: preparing an upper mulching film, a lower mulching film, a first panel, a second panel and a core plate;
s2 laying down a mulch: spreading the lower mulching film in a lower plate of a hot press;
s3 laying a first panel: laying the first panel on the lower mulching film;
s4 glue pouring: spraying the special resin glue on the first panel by using a glue spraying machine to form a layer of liquid glue;
s5 core lay layer: spreading the core plate layer material on the first panel which is fully sprayed with the liquid glue;
s6 glue pouring: spraying the special resin glue on the intermediate material layer by using a glue spraying machine to form a layer of liquid glue;
s7 laying a second panel: paving the second panel on the core board layer which is fully sprayed with the glue;
s8 laying mulching films: spreading the upper mulching film on the second panel;
s9 hot pressing: the lower mulching film, the first panel, the core plate layer, the second panel and the upper mulching film which are laid in alignment are pushed into a hot press main machine, and a hot press is started to carry out hot pressing on the lower mulching film, the first panel, the core plate layer, the second panel and the upper mulching film;
and S10 post-processing: and trimming each carriage plate after hot pressing by using a cutting machine, and cutting the edges of the carriage plates to be tidy.
According to the invention, the food-grade glass fiber reinforced plastic fiber of the first panel layer and the thermoplastic composite material plate of the second panel layer are used for replacing the aluminum plate and the stainless steel plate on the inner wall in the prior art, so that the cost is optimized, the hardness of the carriage plate is ensured, and the total amount of the carriage plate is reduced:
1. compared with the traditional carriage plate, the carriage plate researched by the invention is lighter;
2. the hardness of the carriage plate researched by the invention can meet the hardness requirement of the traditional carriage plate;
3. the first panel of the carriage plate researched by the invention is the glazed steel plate, the second panel is the thermoplastic foam, so that the carriage plate is not easy to collide and deform, and the conventional carriage plate is easy to repair the frequently-occurring main appearance problem;
4. the first panel layer, the second panel layer and the core plate layer are all complete plate composites, and have no external splicing lines, better water resistance and leakage resistance and better appearance;
5. the plate is a multi-layer organic plate combination, is high in hardness, is bonded and compounded, and is not easy to transmit light.
Drawings
Fig. 1 is a lightweight dash panel.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings.
The first embodiment is as follows:
a lightweight carriage plate comprises a first panel layer 11, a second panel layer 12, a core layer 13 and a ground film layer 14, wherein the core layer 13 is positioned in the middle, adhesives 15 are sprayed on the upper end surface and the lower end surface of the core layer 13, the first panel layer 11 is adhered to the lower end surface of the core layer 13 through the adhesives 15, the second panel layer 12 is adhered to the upper end surface of the core layer 13 through the adhesives 15, the ground film layer 14 is respectively pressed to the lower part of the first panel layer 11 and the upper end of the second panel layer 12 through a hot pressing process, the first panel layer 11 is made of glass fiber reinforced plastics and has the thickness of 1mm, the second panel layer 12 is made of a thermoplastic composite material panel core and has the thickness of 0.8mm, the first panel layer 13 is any one of flame-retardant B2 polystyrene extruded foam and batten, flame-retardant B2 polystyrene extruded foam and embedded iron, flame-retardant B2 polystyrene extruded foam and embedded skeleton, and flame-retardant B2 polystyrene extruded foam and heat-insulating, the thickness of the core layer 13 is 12 mm.
The production process of the light carriage plate is characterized by comprising the following steps of:
s1, preparing materials: preparing an upper mulching film, a lower mulching film, a first panel, a second panel and a core plate;
s2 laying down a mulch: paving the lower mulching film in a downward feeding plate of a hot press, manually paving the lower mulching film at a position deviated from the downward feeding plate of the hot press, and enabling the lower mulching film to be parallel to the edge of a pallet;
s3 laying a first panel: after dust on the lower film is blown clean by using an air gun, the first panel is laid on the lower mulching film (centered with the mulching film), is parallel to the edge of the pallet and faces upwards;
s4 glue pouring: spraying the special resin glue on the first panel by using a glue spraying machine to form a layer of liquid glue, wherein the thickness of the glue layer is about 0.8-1 mm;
s5 core lay layer: spreading the core plate layer material on the first panel which is fully sprayed with the liquid glue, and aligning the core plate layer material with the first panel;
s6 glue pouring: spraying the special resin glue on the intermediate material layer by using a glue spraying machine to form a layer of liquid glue, wherein the thickness of the glue layer is about 0.8-1 mm;
s7 laying a second panel: paving the second panel on the core plate layer fully sprayed with the glue, and aligning each edge of the second panel with the corresponding edge of the lower steel plate;
s8 laying mulching films: placing the upper mulching film on the second panel, so that the upper mulching film is positioned in the middle of the hot press and is flush with the edge of the pallet; the front, back, left and right ends of the upper mulching film and the lower mulching film are folded upwards, and the height strips (vertical direction) are 80/100 specification directions and are placed on two sides of the material to press the mulching films;
s9 hot pressing: the lower mulching film, the first panel, the core plate layer, the second panel and the upper mulching film which are laid in an aligned mode are pushed into a hot press main machine, a hot press is started to carry out hot pressing on the lower mulching film, the hot pressing temperature is kept at 60 ℃ for 1 hour, and the hardness of the first panel layer and the second panel layer can be improved through hot pressing, heat preservation and other treatment;
and S10 post-processing: and trimming each carriage plate after hot pressing by using a cutting machine, and cutting the edges of the carriage plates to be tidy.
Compared with the traditional carriage plate, the light carriage plate prepared by the method is lighter, and the weight of 130KG can be reduced on a carriage with the same length of 4.3 m. The hardness can meet the national standard requirements but is slightly lower than that of the traditional carriage plate, the Shore hardness is more than or equal to 70, the upper limit of the Shore hardness is about 78, and the level of medium-hardness plastics is reached. The hardness of the traditional carriage is generally about 94, the light-weight carriage plate prepared by the method can realize the function of reducing the weight of the carriage, and although the hardness can reach the national standard requirement, the hardness is slightly insufficient compared with the traditional carriage plate.
Figure BDA0002279859590000061
Example two:
a lightweight compartment plate comprises a first panel layer 11, a second panel layer 12, a core layer 13 and a ground film layer 14, wherein the core layer 13 is positioned in the middle, adhesives 15 are sprayed on the upper end surface and the lower end surface of the core layer 13, the first panel layer 11 is adhered to the lower end surface of the core layer 13 through the adhesives 15, the second panel layer 12 is adhered to the upper end surface of the core layer 13 through the adhesives 15, the ground film layer 14 is respectively pressed to the lower part of the first panel layer 11 and the upper end of the second panel layer 12 through a hot pressing process, the first panel layer 11 is made of glass fiber reinforced plastics and has the thickness of 1.5mm, the second panel layer 12 is made of a thermoplastic composite material plate and has the thickness of 1.2mm, the core layer 13 is any one of flame-retardant B2 extruded polystyrene foam and batten, flame-retardant B2 extruded polystyrene foam and embedded iron, flame-retardant B2 extruded polystyrene foam and embedded frameworks, and flame-retardant B2 extruded polystyrene foam and heat-insulating materials, the thickness of the core layer 13 is 15 mm.
Compared with the traditional carriage plate, the light carriage plate prepared by the method is lighter, and the weight of 80KG can be reduced on a carriage with the same length of 4.3 m. The hardness is equal to that of the traditional carriage plate, the Shore hardness is more than or equal to 70, the upper limit of the Shore hardness is about 93, and the hard plastic level is achieved. The hardness of the light-weight carriage plate prepared by the method can reach the hardness level of the traditional carriage.
Figure BDA0002279859590000071
The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (6)

1. The utility model provides a lightweight carriage board which characterized in that:
comprises a first panel layer (11), a second panel layer (12), a core layer (13) and a mulching film layer (14);
the core plate layer (13) is arranged between the first panel layer (11) and the second panel layer (12), and the first panel layer (11) and the second panel layer (12) are respectively bonded with the core plate layer (13) through an adhesive (15);
the mulching film layer (14) is respectively pressed to the lower part of the first panel layer (11) and the upper end of the second panel layer (12) through a hot pressing process;
the first panel layer (11) is made of glass fiber reinforced plastic fibers and has the thickness of 1-1.5 mm;
the second panel layer (12) is made of a thermoplastic composite material plate, and the thickness of the second panel layer is 0.8-1.2 mm;
the core plate layer (13) is any one of the combination of flame-retardant B2 polystyrene extruded foam and flitch, flame-retardant B2 polystyrene extruded foam and embedded iron, flame-retardant B2 polystyrene extruded foam and embedded skeleton, and flame-retardant B2 polystyrene extruded foam and heat-insulating material, and the thickness of the core plate layer (13) is 12-15 mm.
2. The lightweight trunk panel of claim 1, wherein:
the first panel layer (11) is made of food-grade glass fiber reinforced plastics.
3. The lightweight trunk panel of claim 1, wherein:
the thermoplastic composite material plate of the second panel layer (12) mainly comprises PP + glass fibers, PA + glass fibers, PVC + glass fibers, PP + carbon fibers, PVC + carbon fibers, PPS + carbon fibers and the like.
4. The lightweight trunk panel of claim 1, wherein:
the mulching film layer (14) is a PE mulching film with the thickness of 0.2-0.5 mm.
5. The lightweight trunk panel of claim 1, wherein:
the adhesive (15) is made of special resin adhesive, and polyurethane foaming adhesive can be selected.
6. The production process of the light carriage plate is characterized by comprising the following steps of:
s1, preparing materials: preparing an upper mulching film, a lower mulching film, a first panel, a second panel and a core plate;
s2 laying down a mulch: spreading the lower mulching film in a lower plate of a hot press;
s3 laying a first panel: laying the first panel on the lower mulching film;
s4 glue pouring: spraying the special resin glue on the first panel by using a glue spraying machine to form a layer of liquid glue;
s5 core lay layer: spreading the core plate layer material on the first panel which is fully sprayed with the liquid glue;
s6 glue pouring: spraying the special resin glue on the intermediate material layer by using a glue spraying machine to form a layer of liquid glue;
s7 laying a second panel: paving the second panel on the core board layer which is fully sprayed with the glue;
s8 laying mulching films: spreading the upper mulching film on the second panel;
s9 hot pressing: the lower mulching film, the first panel, the core plate layer, the second panel and the upper mulching film which are laid in alignment are pushed into a hot press main machine, and a hot press is started to carry out hot pressing on the lower mulching film, the first panel, the core plate layer, the second panel and the upper mulching film;
and S10 post-processing: and trimming each carriage plate after hot pressing by using a cutting machine, and cutting the edges of the carriage plates to be tidy.
CN201911137060.7A 2019-11-19 2019-11-19 Lightweight carriage plate Pending CN110861567A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201911137060.7A CN110861567A (en) 2019-11-19 2019-11-19 Lightweight carriage plate

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CN110861567A true CN110861567A (en) 2020-03-06

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CN112894274A (en) * 2021-01-16 2021-06-04 龙岩市海德馨汽车有限公司 Power supply vehicle carriage modular production process and sealing test method thereof
EP4086144A1 (en) * 2021-05-07 2022-11-09 Schmitz Cargobull AG Commercial vehicle panel with fibre-reinforced plastic layer and commercial vehicle with corresponding commercial vehicle panel

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CN103101270A (en) * 2013-01-30 2013-05-15 苏州摩维天然纤维材料有限公司 Environment-friendly multilayer composite board for home decoration, and preparation method thereof
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CN203357991U (en) * 2013-06-27 2013-12-25 慈溪市合创塑料制品有限公司 PC composite board
CN103568396A (en) * 2012-08-02 2014-02-12 上海杰事杰新材料(集团)股份有限公司 Light-weight and high-strength thermoplastic composite material sandwich board and production method thereof
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CN102602067A (en) * 2012-03-02 2012-07-25 江阴延利汽车饰件有限公司 Lightweight and environment-friendly type fibrilia composite plate and preparation method thereof
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* Cited by examiner, † Cited by third party
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CN112894274A (en) * 2021-01-16 2021-06-04 龙岩市海德馨汽车有限公司 Power supply vehicle carriage modular production process and sealing test method thereof
EP4086144A1 (en) * 2021-05-07 2022-11-09 Schmitz Cargobull AG Commercial vehicle panel with fibre-reinforced plastic layer and commercial vehicle with corresponding commercial vehicle panel

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Application publication date: 20200306