CN112571876B - Spliced fluorescent precoated steel plate - Google Patents

Spliced fluorescent precoated steel plate Download PDF

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Publication number
CN112571876B
CN112571876B CN201910929149.0A CN201910929149A CN112571876B CN 112571876 B CN112571876 B CN 112571876B CN 201910929149 A CN201910929149 A CN 201910929149A CN 112571876 B CN112571876 B CN 112571876B
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China
Prior art keywords
steel plate
plate body
layer
lap joint
coating
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CN201910929149.0A
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CN112571876A (en
Inventor
陈钢
顾国鼎
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Jiangsu Junan New Material Technology Co ltd
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Jiangsu Junan New Material Technology Co ltd
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    • 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
    • B32B3/26—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 particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—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 particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B1/00—Layered products having a non-planar shape
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal 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
    • B32B15/085—Layered products comprising a layer of metal comprising metal 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 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • 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
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/28—Multiple coating on one surface
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/422—Luminescent, fluorescent, phosphorescent
    • 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
    • B32B2419/00—Buildings or parts thereof

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a spliced fluorescent precoated steel plate, which comprises a steel plate body of carbon structural steel, wherein grooves are formed in the upper surface of the steel plate body at intervals, a lap joint bottom edge and a lap joint top edge are respectively arranged on two opposite sides of the steel plate body, the lap joint bottom edge can be spliced at the lower part of the lap joint top edge, a plurality of magnets are embedded in the lap joint bottom edge, a plurality of concave patterns are arranged on the upper surface of the steel plate body and the bottom surface of the grooves, passivation layers, plating layers, coupling layers, color coatings, transparent film layers and protective film layers are arranged on the surfaces of the upper side of the steel plate body from inside to outside, luminous coatings or fluorescent coatings are filled in concave parts corresponding to the concave patterns in the color coatings, and passivation layers, plating layers, coupling layers and color coatings are arranged on the lower surface of the steel plate body from inside to outside. The spliced fluorescent precoated steel plate can improve the defect of being too smooth when being used as a wall or a channel for protecting, has the function of brightening and displaying at night, can be convenient for connection and disassembly between adjacent corrugated color steel plates, and reduces the use cost.

Description

Spliced fluorescent precoated steel plate
Technical Field
The invention relates to a metal plate, in particular to an improvement of a color steel plate.
Background
The color steel plate is used as a metal plate with corrosion resistance, high strength, no paint and brightness, is widely applied in various industries, particularly in the building industry, is widely applied to manufacturing building roofs, walls and other components, and is also widely applied to various guard structures, such as various guard wallboards, wall boards on two sides of a channel and the like. When the color steel plate is used for wallboards and wall boards with various guard structures, the visual effect of the color steel plate with a flat and smooth surface is monotonous, the friction resistance is small when touching on the smooth surface, the sense of adherence and the sense of safety are lack, and at night, especially at the place of lack of illumination, the smooth and flat color steel plate serving as a channel side plate can make it difficult for people to distinguish the channel direction. When various steel sheet is used for protecting the surrounding structure, the border department needs to be fixed with special screw, and the limit naturally can exist the gap with the limit between the adjacent various steel sheet, and the border department can mostly damage when demolising and is difficult to reuse, and this is extravagant to interim, short-term occasion of using, and construction is also inconvenient.
Disclosure of Invention
Aiming at the defects existing in the prior art, the technical problem to be solved by the invention is to provide the spliced fluorescent precoated steel plate, which not only can improve the defect of being too smooth when being used as a wall or a channel for protection, but also can have the function of brightness and clarity at night, and is convenient for connecting and disassembling adjacent corrugated color steel plates, thereby reducing the use cost.
In order to solve the technical problems, the spliced fluorescent precoated steel plate comprises a rectangular steel plate body, wherein the steel plate body is a carbon structural steel plate, grooves are formed in the upper surface of the steel plate body at intervals, the long direction of the grooves is parallel to the long direction of the steel plate body, the length of the grooves is equal to that of the steel plate body, one side of the steel plate body is provided with a lap joint bottom edge, the side opposite to the lap joint bottom edge is provided with a lap joint top edge, the lap joint bottom edge can be spliced at the lower part of the lap joint top edge, the sum of the thicknesses of the lap joint bottom edge and the lap joint top edge is equal to that of the steel plate body, magnets are embedded in the lap joint bottom edge, and the magnets are uniformly distributed along the length direction of the lap joint bottom edge; the upper surface of the steel plate body and the bottom surface of the groove are provided with a plurality of concave patterns, a passivation layer, a plating layer, a coupling layer and a color coating are arranged on each surface of the upper side of the steel plate body from inside to outside, each of the passivation layer, the plating layer, the coupling layer and the color coating has the same thickness on each surface of the upper side of the steel plate body, the concave parts corresponding to the concave patterns in the color coating are filled with luminous paint or fluorescent paint, the outer sides of the color coating and the filled luminous paint or fluorescent paint are provided with transparent film pasting layers and protective film layers, and the lower surface of the steel plate body is provided with the passivation layer, the plating layer, the coupling layer and the color coating from inside to outside.
In the structure, as the steel plate body is a carbon structural steel plate, grooves are formed in the upper surface of the steel plate body at intervals, the length of each groove is parallel to that of the steel plate body, and the length of each groove is equal to that of the steel plate body, the surface of the color steel plate is provided with concave-convex three-dimensional stripes through the arranged grooves, so that the monotonous feeling of the flat surface is visually improved, the touch feeling of smoothness and lack of attachment is further avoided, and the defect that a common color steel plate is too smooth when being used as a wall or a channel for surrounding is overcome.
The overlapping bottom edge is arranged on one side of the steel plate body, the overlapping bottom edge is arranged on the side opposite to the side, the overlapping bottom edge can be inserted into the lower part of the overlapping top edge, the sum of the thicknesses of the overlapping bottom edge and the overlapping top edge is equal to the thickness of the steel plate body, the magnets are embedded in the overlapping bottom edge, and are uniformly distributed along the length direction of the overlapping bottom edge, so that the overlapping top edge arranged on one color steel plate can be covered on the overlapping bottom edge of the other color steel plate, no connecting gap is ensured between the adjacent color steel plates, the sum of the thicknesses of the overlapping bottom edge and the overlapping top edge is equal to the thickness of the steel plate body, the thickness of each color steel plate is consistent after the overlapping, and the magnet embedded on the overlapping bottom edge generates suction force on the overlapping top edge of the steel plate body of the carbon structural steel, so that the overlapping top edge and the overlapping bottom edge are naturally overlapped into a whole, the connection is ensured without any connecting piece, the installation connecting materials are saved, the installation labor is saved, the color steel plate can be repeatedly used, and the use cost is further reduced.
The passivation layer, the plating layer, the coupling layer and the color coating layer are arranged on the surfaces of the upper side of the steel plate body from inside to outside, each layer of the passivation layer, the plating layer, the coupling layer and the color coating layer has the same thickness on the surfaces of the upper side of the steel plate body, the concave parts corresponding to the concave patterns in the color coating layer are filled with luminous paint or fluorescent paint, and the transparent film layer and the protective film layer are arranged on the outer sides of the color coating layer and the filled luminous paint or fluorescent paint, so that the passivation layer, the plating layer, the coupling layer and the color coating layer arranged on the surfaces of the upper side of the steel plate body can enhance the anti-corrosion protection through the plating layer while keeping the anti-corrosion and bright color characteristics of the common color steel plate, and the adhesive force between the color coating layer and the plating layer is improved through the coupling layer, so that the anti-corrosion performance of the color steel plate is better, and the service life of the color steel plate is prolonged; each layer of the passivation layer, the plating layer, the coupling layer and the color coating respectively has the same thickness on each surface of the upper side of the steel plate body so that concave parts corresponding to concave patterns are formed on the color coating, the concave parts formed by the concave patterns on the color coating provide space for luminous paint or fluorescent paint, and the luminous paint or fluorescent paint is positioned in the concave parts corresponding to the concave patterns in the color coating so that the color coating can be kept complete, and the corrosion resistance of the color steel plate is ensured; the luminous paint filled in the concave patterns is a new generation environment-friendly decorative paint, and consists of synthetic resin or emulsion, energy storage luminescent material and other substances, wherein the energy storage luminescent material absorbs light energy under the irradiation of sunlight, lamplight and visible light, and the absorbed energy is emitted out in a low-frequency visible light under the dark condition, so that the color steel plate has the function of brightening and displaying at night, the fluorescent paint filled in the concave patterns is a bright quick-drying enamel with extremely bright color, the fluorescent paint is colored by fluorescent pigment, belongs to acrylic resin paint, has the brightness of about three times that of common paint, and can be quite bright and high in brightness under the irradiation of a light source, so that the color steel plate can have the function of brightening and displaying at daytime and at night; the transparent film layer is arranged on the outer sides of the color coating and the filled luminous coating or fluorescent coating, so that the color coating and the luminous coating or fluorescent coating are well protected, the luminous coating or fluorescent coating can absorb light normally, and the luminous coating or fluorescent coating can function normally.
And then, as the passivation layer, the plating layer, the coupling layer and the color coating are arranged on the lower surface of the steel plate body from inside to outside, the lower surface of the steel plate body is also enabled to be protected by the passivation layer, the plating layer, the coupling layer and the color coating while the corrosion resistance and the bright color of the common color steel plate are maintained, and the adhesion between the color coating and the plating layer is improved by the coupling layer, so that the corrosion resistance of the color steel plate is better, and the service life is longer.
According to the invention, in a preferred embodiment, the ratio A of the width A of the groove to the width B of the steel plate body is 1:6-1:15, the ratio A of the width A of the groove to the distance C between two adjacent grooves is 0.8:1-1:1.2, and the ratio E of the depth E of the groove to the thickness G of the steel plate body is 0.1:1-0.3:1. By adopting the embodiment, the color steel plate can obtain the groove width of about 80 to 200 millimeters in the common specification, the width of the protruding part between the two grooves is equivalent, the use requirement of the color steel plate used as a wall and a channel guard can be met, the depth of the groove is relatively shallow, the manufacturing and processing are convenient, and the requirement of visual sense and tactile sense on three-dimensional sense can be met.
In another preferred embodiment of the present invention, the magnet is a disc-shaped permanent magnet. By adopting the embodiment, the disc-shaped permanent magnet can keep magnetism for a long time, the lap joint reliability between the color steel plates can be ensured, and the magnet is convenient to manufacture in a disc shape.
In a further preferred embodiment of the invention, the thickness of the magnet is the same as the thickness of the overlapping bottom edges. By adopting the embodiment, the attractive appearance is ensured, the volume of the magnet is as large as possible, and the magnetic performance is maximized.
According to a further preferred embodiment of the invention, the bottom surface of the concave pattern is a curved surface intersecting with the upper surface of the steel plate body or intersecting with the bottom surface of the groove, and the ratio F of the depth F of the concave pattern to the thickness G of the steel plate body is 0.2:1-0.4:1. By adopting the embodiment, the bottom surface of the concave grain is a curved surface intersecting with the upper surface of the steel plate body or intersecting with the bottom surface of the groove, so that the coating of the coupling layer, the color coating, the luminous coating and the fluorescent coating is convenient, the problem that the coating of sharp corners of the bottom surface of the common flat bottom concave grain and the side wall of the concave grain is inconvenient, particularly the filling of the luminous coating and the fluorescent coating is incomplete, and the set concave grain depth can meet the requirements of the filling quantity of the luminous coating and the fluorescent coating.
In another further preferred embodiment of the present invention, the concave portion corresponding to the concave grain on the upper surface of the steel plate body in the color coating layer is filled with a luminous paint, and the concave portion corresponding to the concave grain on the bottom surface of the groove in the color coating layer is filled with a fluorescent paint. By adopting the embodiment, the bright and clear strip-shaped areas which are arranged at two intervals between the groove parts and two adjacent grooves can be formed on the color steel plate, so that a clear bright and clear effect is formed.
According to the invention, the coupling layer is an epoxy primer coating layer, the epoxy primer is solvent type anti-corrosion paint, the coupling layer is suitable for coating various metal surfaces, the coupling layer has strong adhesive force and is free from falling off, and as the coupling layer, the coupling layer can ensure reliable bonding between the color coating and the plating layer, and the falling off and stripping of the color coating can not occur.
In a further preferred embodiment of the present invention, the color coating is a color organic coating layer using alkyd resin or epoxy resin as a main raw material. By adopting the embodiment, the organic paint layer taking alkyd resin or epoxy resin and the like as main raw materials can form a compact and smooth protective layer outside the passivation layer, and has good isolation effect on water and oxygen and strong anti-corrosion capability.
In another still further preferred embodiment of the present invention, the transparent film layer is a PET film layer. By adopting the embodiment, the PET film is a polyester film, is colorless and transparent, has excellent mechanical properties, high rigidity, hardness and toughness, puncture resistance, friction resistance, high temperature resistance, low temperature resistance, chemical resistance, oil resistance and air tightness, is one of common barrier composite film base materials, and can meet the use requirements of providing good protection for color coatings and luminous coatings or fluorescent coatings and ensuring that the luminous coatings or fluorescent coatings can normally absorb illumination.
In a still further preferred embodiment of the present invention, the protective film is a removable transparent PE protective film. By adopting the embodiment, the transparent PE protective film layer can provide protection for the transparent film layer, can not influence the use requirement of the transparent film layer, and can be directly torn off when the transparent film layer is polluted and damaged, so that the color steel plate can keep good appearance and use performance.
Drawings
The spliced fluorescent precoated steel sheet of the present invention will be described in further detail with reference to the accompanying drawings and specific examples.
FIG. 1 is a schematic structural view of an embodiment of a spliced fluorescent precoated steel sheet of the present invention;
FIG. 2 is a schematic diagram of the structure of the connection of two plates of the spliced fluorescent precoated steel plate;
FIG. 3 is a schematic view of the upper surface of the steel plate body in the structure shown in FIG. 1;
Fig. 4 is a schematic cross-sectional view of fig. 3.
In the figure: 1-steel plate body, 2-groove, 3-passivation layer, 4-plating layer, 5-noctilucent paint, 6-concave pattern, 7-fluorescent paint, 8-coupling layer, 9-color coating, 10-transparent film layer, 11-protective film layer, 12-lap top edge, 13-magnet and 14-lap bottom edge.
Detailed Description
In the spliced fluorescent precoated steel sheet shown in fig. 1 and 2, the steel sheet body 1 is a rectangular carbon structural steel plate, grooves 2 are formed in the upper surface of the steel sheet body 1 at intervals, as shown in fig. 3, the long direction of each groove 2 is parallel to the long direction of the steel sheet body 1, the length of each groove 2 is equal to that of the steel sheet body 1, the ratio A: B of the width A of each groove 2 to the width B of the steel sheet body 1 is 1:6-1:15, the ratio A: C of the width A of each groove 2 to the spacing C between two adjacent grooves 2 is 0.8:1-1:1.2, as shown in fig. 4, and the ratio E: G of the depth E of each groove 2 to the thickness G of the steel sheet body 1 is 0.1:1-0.3:1; a lap joint bottom edge 14 is arranged on one side of the steel plate body 1, a lap joint top edge 12 is arranged on the side opposite to the side, the lap joint bottom edge 14 can be inserted into the lower part of the lap joint top edge 12, the sum of the thicknesses of the lap joint bottom edge 14 and the lap joint top edge 12 is equal to the thickness of the steel plate body 1, a magnet 13 is embedded in the lap joint bottom edge 14, the magnet 13 is a disc-shaped permanent magnet, the thickness of the magnet 13 is the same as the thickness of the lap joint bottom edge 14, and the magnets 13 are uniformly distributed along the length direction of the lap joint bottom edge 14; the upper surface of the steel plate body 1 and the bottom surface of the groove 2 are provided with a plurality of concave patterns 6, the bottom surface of each concave pattern 6 is a curved surface intersected with the upper surface of the steel plate body 1 or intersected with the bottom surface of the groove 2, the curved surface can be an ellipsoid surface, the curved surface can also be a sphere surface or the surface of other curved surfaces, referring to fig. 4, the ratio F of the depth F of each concave pattern 6 to the thickness G of the steel plate body 1 is 0.2:1-0.4:1, the upper surfaces of the steel plate body 1 are respectively provided with a passivation layer 3, a plating layer 4, a coupling layer 8 and a color coating 9 from inside to outside, wherein the passivation layer 3 can be a conventional steel surface phosphating treatment layer, the plating layer 4 can be a hot galvanizing layer with good corrosion resistance, the coupling layer 8 is an epoxy primer coating layer, the color coating 9 can be a color organic coating layer adopting alkyd resin or epoxy resin and the like as main raw materials, each layer in the passivation layer 3, the plating layer 4, the coupling layer 8 and the color coating 9 respectively have the same thickness at each surface on the upper side of the steel plate body 1, the color coating 9 is a luminous film 5 corresponding to the concave pattern 6 in the color coating 9, the concave film 7 is a luminous film 5 corresponding to the concave film 5 or the concave film 5 in the transparent coating layer 5 and the transparent coating 11 is preferably filled in the transparent coating layer 5, the transparent coating layer 11 is a transparent coating layer 5 and the transparent coating layer 5 is a transparent coating layer 5 is filled in the transparent coating layer 5, the transparent coating layer is a transparent coating layer 5 and the transparent coating layer is a transparent coating layer 5; the lower surface of the steel plate body 1 is provided with a passivation layer 3, a plating layer 4, a coupling layer 8 and a color coating 9 from inside to outside.
The foregoing is merely illustrative of some preferred embodiments of the present invention, but the invention is not limited thereto and many modifications and variations are possible. The magnet 13 may be a sheet-like permanent magnet, instead of a disc-like permanent magnet; the concave portion corresponding to the concave grain 6 on the upper surface of the steel plate body 1 in the color coating 9 may be filled with the fluorescent paint 7 instead of the luminous paint 5, may be partially filled with the fluorescent paint 7, and may be partially filled with the luminous paint 5, and similarly, the concave portion corresponding to the concave grain 6 on the bottom surface of the groove 2 in the color coating 9 may be filled with the luminous paint 5 instead of the fluorescent paint 7, may be partially filled with the fluorescent paint 7, and may be partially filled with the luminous paint 5. Such and the like, as long as the modifications and the changes are made on the basis of the basic principles of the present invention, are to be regarded as falling within the scope of the present invention.

Claims (5)

1. The utility model provides a concatenation fluorescence steel sheet of precoating, is steel sheet body (1) including being the rectangle, its characterized in that: the steel plate body (1) is a carbon structural steel flat plate, grooves (2) are formed in the upper surface of the steel plate body (1) at intervals, the length direction of the grooves (2) is parallel to the length direction of the steel plate body (1), the length of the grooves (2) is equal to that of the steel plate body (1), a lap joint bottom edge (14) is arranged on one side of the steel plate body (1), a lap joint top edge (12) is arranged on the side opposite to the lap joint bottom edge, the lap joint bottom edge (14) can be inserted into the lower portion of the lap joint top edge (12), the sum of the thicknesses of the lap joint bottom edge (14) and the lap joint top edge (12) is equal to that of the steel plate body (1), magnets (13) are embedded in the lap joint bottom edge (14), and the magnets (13) are uniformly distributed along the length direction of the lap joint bottom edge (14); the method comprises the steps that a plurality of concave patterns (6) are arranged on the upper surface of a steel plate body (1) and the bottom surface of a groove (2), a passivation layer (3), a plating layer (4), a coupling layer (8) and a color coating (9) are arranged on each surface of the upper side of the steel plate body (1) from inside to outside, each layer of the passivation layer (3), the plating layer (4), the coupling layer (8) and the color coating (9) has the same thickness on each surface of the upper side of the steel plate body (1), luminous coating (5) or fluorescent coating (7) is filled in concave portions corresponding to the concave patterns (6) in the color coating (9), a transparent film layer (10) and a protective film layer (11) are arranged on the outer sides of the color coating (9) and the filled luminous coating (5) or fluorescent coating (7), and the passivation layer (3), the plating layer (4), the coupling layer (8) and the color coating (9) are arranged on the lower surface of the steel plate body from inside to outside; the ratio A of the width A of the groove (2) to the width B of the steel plate body (1) is 1:6-1:15, the ratio A of the width A of the groove (2) to the spacing C between every two adjacent grooves (2) is 0.8:1-1:1.2, and the ratio E of the depth E of the groove (2) to the thickness G of the steel plate body (1) is 0.1:1-0.3:1; the bottom surface of the concave patterns (6) is a curved surface intersecting with the upper surface of the steel plate body (1) or intersecting with the bottom surface of the groove (2), and the ratio F of the depth F of the concave patterns (6) to the thickness G of the steel plate body (1) is 0.2:1-0.4:1; the concave part corresponding to the concave grain (6) on the upper surface of the steel plate body (1) in the color coating (9) is filled with luminous paint (5), and the concave part corresponding to the concave grain (6) on the bottom surface of the groove (2) in the color coating (9) is filled with fluorescent paint (7); the coupling layer (8) is an epoxy primer coating layer; the color coating (9) is a color organic coating layer which adopts alkyd resin or epoxy resin and the like as main raw materials.
2. The spliced fluorescent precoated steel sheet according to claim 1, wherein: the magnet (13) is a disc-shaped permanent magnet.
3. The spliced fluorescent precoated steel sheet according to claim 1, wherein: the thickness of the magnet (13) is the same as that of the lap joint bottom edge (14).
4. The spliced fluorescent precoated steel sheet according to claim 1, wherein: the transparent film layer (10) is a PET film layer.
5. The spliced fluorescent precoated steel sheet according to claim 1, wherein: the protective film layer (11) is a removable transparent PE protective film layer.
CN201910929149.0A 2019-09-28 2019-09-28 Spliced fluorescent precoated steel plate Active CN112571876B (en)

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Application Number Priority Date Filing Date Title
CN201910929149.0A CN112571876B (en) 2019-09-28 2019-09-28 Spliced fluorescent precoated steel plate

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Application Number Priority Date Filing Date Title
CN201910929149.0A CN112571876B (en) 2019-09-28 2019-09-28 Spliced fluorescent precoated steel plate

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CN112571876A CN112571876A (en) 2021-03-30
CN112571876B true CN112571876B (en) 2024-05-28

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Citations (8)

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