CN110978537A - Gold-plastic composite board and production equipment and production method thereof - Google Patents
Gold-plastic composite board and production equipment and production method thereof Download PDFInfo
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- CN110978537A CN110978537A CN201911149688.9A CN201911149688A CN110978537A CN 110978537 A CN110978537 A CN 110978537A CN 201911149688 A CN201911149688 A CN 201911149688A CN 110978537 A CN110978537 A CN 110978537A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 229920003023 plastic Polymers 0.000 title claims abstract description 30
- 239000004033 plastic Substances 0.000 title claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 92
- 239000002184 metal Substances 0.000 claims abstract description 92
- 239000003292 glue Substances 0.000 claims abstract description 68
- 239000011248 coating agent Substances 0.000 claims abstract description 66
- 238000000576 coating method Methods 0.000 claims abstract description 66
- 238000010438 heat treatment Methods 0.000 claims abstract description 56
- 150000001875 compounds Chemical class 0.000 claims abstract description 48
- 238000005187 foaming Methods 0.000 claims abstract description 47
- 239000004831 Hot glue Substances 0.000 claims abstract description 40
- 238000013329 compounding Methods 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000004814 polyurethane Substances 0.000 claims description 66
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- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 229920002635 polyurethane Polymers 0.000 claims description 26
- 229920001971 elastomer Polymers 0.000 claims description 25
- 238000004804 winding Methods 0.000 claims description 20
- 239000006260 foam Substances 0.000 claims description 18
- 238000004026 adhesive bonding Methods 0.000 claims description 11
- 239000003973 paint Substances 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 9
- 230000008602 contraction Effects 0.000 description 7
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
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- 238000005253 cladding Methods 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012792 core layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
- B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
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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
- 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
- B32B15/046—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 foam
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- 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
- 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
- B32B15/082—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 vinyl resins; comprising acrylic resins
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B32B5/18—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 features of a layer of foamed material
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- 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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
- B29L2009/003—Layered products comprising a metal layer
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/06—Coating on the layer surface on metal layer
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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
- B32B2266/00—Composition of foam
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Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The embodiment of the invention discloses a gold-plastic composite board and production equipment and a production method thereof, and relates to the technical field of metal and plastic compounding, wherein the production equipment comprises a glue coating machine and a compound machine which are connected in working procedures, the glue coating machine is used for uniformly coating PUR hot melt adhesive on one surface, close to a PVC foaming board, of a metal sheet, the two glue coating machines are arranged and are respectively positioned above and below the compound machine, and the compound machine is used for enabling the PVC foaming board and the metal sheet which synchronously enter the compound machine to be compounded and molded under the action of the PUR hot melt adhesive and the extrusion force of the compound machine. According to the gold-plastic composite board and the production equipment and the production method thereof provided by the invention, the PVC foaming board and the metal sheet can be compounded and formed only by keeping the temperature of the PUR hot melt adhesive in a glue coating machine or heating the temperature to 110-140 ℃ and extruding the mixture by a compounding machine, the high-temperature compounding at 220 ℃ is not needed, the energy consumption is reduced, and meanwhile, the gold-plastic composite board is produced by machinery, and the mechanization degree is high.
Description
Technical Field
The embodiment of the invention relates to the technical field of metal and plastic composite, in particular to a gold-plastic composite board and production equipment and a production method thereof.
Background
The aluminum-plastic composite board is a 3-layer composite board which takes plastic as a core layer and aluminum materials on two surfaces, and a decorative and protective coating or film (generally called a coating if no special reference is made) is coated on the surface of a product to serve as the decorative surface of the product. The equipment for manufacturing the composite board in the market at present mainly comprises two types, one type is a single-side cladding machine, the equipment cannot produce the PVC board, only can carry out single-side cladding, and the mechanization degree is low; the other is an aluminum-plastic composite board production line, PE plastic is used, a solid-state high-polymer hot-melt film is adopted to be compounded at a high temperature of 220 ℃, and the equipment has high energy consumption and complex operation.
Disclosure of Invention
Therefore, the embodiment of the invention provides a gold-plastic composite plate and production equipment and a production method thereof, and aims to solve the problems of low mechanization degree and high energy consumption in the existing production process of aluminum-plastic composite plates.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to the first aspect of the embodiment of the invention, the production equipment of the gold-plastic composite board is characterized by comprising a glue coating machine and a compound machine which are connected in the process, wherein the glue coating machine is used for uniformly coating PUR hot melt adhesive on one surface, close to a PVC foaming board, of a metal sheet, the glue coating machine is provided with two glue coating machines, the two glue coating machines are respectively positioned above and below the compound machine, and the compound machine is used for enabling the PVC foaming board and the metal sheet which synchronously enter the compound machine to be compounded and formed under the action of the PUR hot melt adhesive and the extrusion force of the compound machine.
Further, the glue coating machine includes coating machine frame, heating steel roller, polyurethane elasticity rubber roll and heating scraper, the both ends pin joint of heating steel roller in the coating machine frame, the both ends pin joint of polyurethane elasticity rubber roll in the coating machine frame, the heating steel roller with polyurethane elasticity rubber roll parallel arrangement, just the heating steel roller with be equipped with the clearance that is used for wearing the area between the polyurethane elasticity rubber roll, be equipped with the reticulation that is formed by evenly distributed's micropore on the periphery of heating steel roller, the heating scraper is fixed in the coating machine frame, the cutting part of heating scraper with the periphery contact of heating steel roller, just the cutting part of heating scraper with heating steel roller parallel arrangement, the heating scraper with the periphery of heating steel roller forms the contained angle space of V font.
Further, the production equipment further comprises a winding and unwinding machine, the winding and unwinding machine is connected with the glue coating machine in a working procedure, and the winding and unwinding machine is used for conveying metal sheets to the glue coating machine.
Further, receive and release the machine of unreeling and draw together symmetry frame, connecting axle and harmomegathus dish, the symmetry frame includes base and support arm, the support arm is equipped with two, two the support arm interval set up in on the base, every rotatable setting one on the support arm the connecting axle, two the axis extension line of connecting axle coincides mutually, harmomegathus dish is fixed in the tip of connecting axle, just harmomegathus dish is located two between the support arm.
According to a second aspect of the embodiment of the invention, the gold-plastic composite board comprises a PVC foaming board and metal sheets, wherein the metal sheets are arranged on two side surfaces of the PVC foaming board, the metal sheets are fixed with the PVC foaming board through PUR hot melt adhesive, a paint layer suitable for printing is arranged on one side of the metal sheets, which is far away from the PVC foaming board, and a protective film is arranged on the outer side of the paint layer.
Further, the metal sheet is an aluminum strip, an iron strip or a copper strip.
Furthermore, the thickness of the PVC foaming plate is 3-20mm, and the thickness of the metal sheet is 0.05-1 mm.
According to a third aspect of the embodiments of the present invention, a method for producing a gold-plastic composite board comprises the following steps;
step S1, gluing; erecting a metal sheet reel on a winding and unwinding machine, feeding the metal sheet into a glue coating machine, uniformly coating 110-140 ℃ PUR hot melt adhesive on one side surface of the metal sheet close to a PVC (polyvinyl chloride) foaming plate, and feeding the coated metal sheet into a compound machine, wherein the glue coating machine is provided with two glue coating machines which are respectively positioned above and below the compound machine;
step S2, synchronously feeding the materials into a compound machine for compounding; the PVC foaming plate formed by cooling is sent into a compound machine by a tractor, and the PVC foaming plate and the metal sheet synchronously enter the compound machine, wherein the metal sheet coated with glue by the two glue coating machines is respectively positioned at the upper side and the lower side of the PVC foaming plate, and the side of the metal sheet coated with the PUR hot melt glue faces the PVC foaming plate; and compounding and molding the PVC foaming plate and the metal sheet under the action of the PUR hot melt adhesive and the extrusion force of the compounding machine.
The embodiment of the invention has the following advantages:
the gold-plastic composite board provided by the embodiment of the invention adopts the PVC foam board as the core material, the PVC foam board and the metal sheet are compounded and formed through the PUR hot melt adhesive, the PUR hot melt adhesive is uniformly coated on one side surface, close to the PVC foam board, of the metal sheet only through a glue coating machine after being melted, then the metal sheet and the PVC foam board can be compounded and formed in the compounding machine, the melting point of the PUR hot melt adhesive is 110-; the metal sheets are compounded on both sides of the PVC foaming plate, for example, the PVC foaming plate is horizontally placed, the PUR hot melt adhesive of the metal sheet on the lower side is coated on the upper surface of the metal sheet, the PUR hot melt adhesive of the metal sheet on the upper side is coated on the lower surface of the metal sheet, the metal sheets on the upper side and the lower side and the PVC foaming plate synchronously enter a compound machine, and then compound molding can be completed, and both glue coating and compound can be mechanically produced, so that the mechanical degree is improved.
The production equipment provided by the embodiment of the invention can be used for compounding a layer of metal sheet on each of the two side surfaces of the PVC foaming board, the gluing and compounding processes are mechanical production, and the degree of mechanization is high; the melting point of the PUR hot melt adhesive is 110-140 ℃, the molten PUR hot melt adhesive is coated on the metal sheet, the metal sheet is bonded with the PVC foaming plate by the PUR hot melt adhesive, the PVC foaming plate and the metal sheet are compounded and formed under the extrusion action of a compound machine, the high-temperature compounding at 220 ℃ is not needed, the PUR hot melt adhesive is heated to 110-140 ℃ in a glue coating machine or is kept at 110-140 ℃, and the 110-140 ℃ belongs to a low-energy-consumption compound production process in the field.
According to the production method provided by the embodiment of the invention, the temperature of the PUR hot melt adhesive is only required to be raised to 110-; in addition, the production method of the embodiment is produced by the winding and unwinding machine, the glue coating machine, the tractor and the compound machine in a coordinated manner under the action of the electric control system, and the degree of mechanization is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.
Fig. 1 is a schematic structural diagram of a gold-plastic composite board provided in embodiment 1 or 2 of the present invention.
Fig. 2 is a production facility of a gold-plastic composite board provided in embodiment 1 or 2 of the present invention;
FIG. 3 is a schematic view of a glue coater on the upper side of the compound machine shown in FIG. 2;
FIG. 4 is a schematic view of a glue coater on the lower side of the compound machine shown in FIG. 2;
FIG. 5 is a schematic structural view of the winding and unwinding machine in FIG. 2;
fig. 6 is a flowchart of a method for producing a gold-plastic composite board according to embodiment 3 of the present invention.
In the figure: 11-PVC foaming plate, 12-metal sheet, 13-PUR hot melt adhesive, 14-paint layer, 15-protective film, 21-glue coating machine, 22-compound machine, 23-winding and unwinding machine, 24-traction machine, 211-coating machine frame, 212-heating steel roller, 213-polyurethane elastic rubber roller, 214-heating scraper, 215-included angle space, 221-compound roller, 231-base, 232-supporting arm, 233-connecting shaft, 234-expansion and shrinkage disk, 235-hydraulic oil cylinder, 236-gear box and 237-motor.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.
Example 1
As shown in fig. 1 to 5, example 1 provides a gold-plastic composite panel including a PVC foam sheet 11 and a metal sheet 12. The thickness of the PVC foaming plate 11 is 3-20 mm. The thickness of the metal sheet 12 is 0.05-1mm, and the metal sheet 12 is an aluminum strip, an iron strip or a copper strip. The metal sheet 12 is disposed on both side surfaces of the PVC foam board 11, and the metal sheet 12 is fixed to the PVC foam board 11 by the PUR hot melt adhesive 13. A paint layer 14 suitable for printing is arranged on one side of the metal sheet 12 far away from the PVC foaming plate 11, and paint can be coated on the surface of the metal sheet 12 in a roller coating baking mode to form the paint layer 14 with the thickness of 12-16 microns, so that the paint layer 14 has very good adhesion with printer ink, and a printed pattern is clear and firm. The protective film 15 is arranged on the outer side of the paint layer 14, and the protective film 15 mainly protects the surface of a product before being used by a customer to prevent scratching.
The metal-plastic composite board of the embodiment adopts the PVC foam board 11 as a core material, the PVC foam board 11 and the metal sheet 12 are compounded and molded through the PUR hot melt adhesive 13, the PUR hot melt adhesive 13 is melted only through the glue coating machine 21 and then is uniformly coated on one side surface, close to the PVC foam board 11, of the metal sheet 12, and then the metal sheet 12 and the PVC foam board 11 can be compounded and molded in the compounding machine 22, the melting point of the PUR hot melt adhesive 13 is 140 ℃ in 110 plus materials, and the temperature of 110 plus materials is 140 ℃ in the field, which belongs to a low energy consumption compound production process, compared with the prior art, the high temperature compounding at 220 ℃ is not needed, so that the energy; the metal sheets 12 are compounded on both sides of the PVC foam board 11, taking the PVC foam board 11 horizontally placed as an example, the PUR hot melt adhesive 13 of the metal sheet 12 on the lower side is coated on the upper surface of the metal sheet 12, the PUR hot melt adhesive 13 of the metal sheet 12 on the upper side is coated on the lower surface of the metal sheet 12, the metal sheet 12 and the PVC foam board 11 on the upper side and the lower side synchronously enter the compound machine 22, and then the compound molding can be completed, and both the gluing and the compounding can be mechanically produced, so that the degree of mechanization is improved.
Example 2
As shown in fig. 1 to 5, embodiment 2 provides a manufacturing apparatus for a plastic-gold composite board, which comprises a glue coater 21 and a compound machine 22 connected in sequence. The glue coating machine 21 is used for uniformly coating the PUR hot melt adhesive 13 on one surface of the metal sheet 12 close to the PVC foaming plate 11, the glue coating machine 21 is provided with two glue coating machines 21, the two glue coating machines 21 are respectively positioned above and below the compound machine 22, and the compound machine 22 is used for enabling the PVC foaming plate 11 and the metal sheet 12 synchronously entering the compound machine 22 to be subjected to compound molding under the action of the extrusion force of the PUR hot melt adhesive 13 and the compound machine 22. The PVC foam board is fed to the laminator by the tractor 24, and the PVC foam board 11 moves and simultaneously moves the metal sheet 12 by the pressure of the laminating roller 221 of the laminator 22 in the laminator.
The production equipment provided by the embodiment can be used for compounding a layer of metal sheet 12 on each of the two side surfaces of the PVC foam board 11, the gluing and compounding processes are mechanical production, and the degree of mechanization is high; the melting point of the PUR hot melt adhesive 13 is 110-.
In the present embodiment, the glue coater 21 includes a coater frame 211, a heated steel roll 212, a polyurethane elastic rubber roll 213, and a heated blade 214.
The two ends of the heating steel roller 212 are pivoted to the coater frame 211, the two ends of the heating steel roller 212 are fixed with the coater frame 211 through bearings, and one end of the heating steel roller 212 is in transmission connection with a transmission system. It should be noted that the pivot connection between the heating steel roll 212 and the coater frame 211 and the transmission connection between the heating steel roll 212 and the transmission system are all achieved by the prior art means of the existing coater, and are not described herein too much. The heating steel roller 212 can heat or keep warm the PUR hot melt adhesive 13, and the heating principle is the prior art of the existing coating machine and is not described herein again. The circumferential surface of the heated steel roll 212 is provided with a texture formed by uniformly distributed micropores. The micropores are conical concave holes, the mesh number of the micropores is more than or equal to 100 meshes, so that the micropores have a certain space for accommodating glue solution and are fine.
Two ends of the polyurethane elastic rubber roller 213 are pivoted to the coater frame 211, and two ends of the polyurethane elastic rubber roller 213 are fixed with the coater frame 211 through bearings. Wherein, one end of the polyurethane elastic rubber roller 213 can be in transmission connection with a transmission system or not; when the polyurethane elastic rubber roller 213 is not connected with the transmission system, the metal sheet 12 is driven by the heating steel roller 212, and the metal sheet 12 drives the polyurethane elastic rubber roller 213 to make the polyurethane elastic rubber roller 213 passively rotate. The polyurethane elastic rubber roller 213 is arranged at the side of the heating steel roller 212, and the axis of the polyurethane elastic rubber roller 213 is parallel to the axis of the heating steel roller 212. The polyurethane elastic rubber roller 213 may be disposed below the heating steel roller 212, or may be disposed on the left or right, but the polyurethane elastic rubber roller 213 and the heating steel roller 212 must be kept parallel. A gap for threading is provided between the heating steel roller 212 and the polyurethane elastic rubber roller 213, which is slightly smaller than the thickness of the metal sheet 12, so that the heating steel roller 212 and the polyurethane elastic rubber roller 213 can clamp the metal sheet 12. The polyurethane elastic rubber roller 213 is an elastic polyurethane roller, so that the heating steel roller 212 and the polyurethane elastic rubber roller 213 can clamp the metal sheet 12 better.
The heating blade 214 is fixed to the coater frame 211, the edge of the heating blade 214 contacts the circumferential surface of the heating steel roll 212, the edge of the heating blade 214 is parallel to the heating steel roll 212, and the heating blade 214 and the circumferential surface of the heating steel roll 212 form a V-shaped included angle space 215. The heating blade 214 can heat or keep warm the PUR hot melt adhesive 13, the heating principle is prior art of the existing coating machine, and is not described herein.
The glue is coated through uniformly distributed micropores, so that the glue is more uniformly coated; the glue coating amount is limited by the volume and the number of the micropores, so that the metering is more accurate; when gluing, only need with PUR hot melt adhesive 13 carry the contained angle space can, need not carry out glue transport through other rollers, easy operation. Compared with a fog coater, the glue coater 21 of the embodiment has more uniform gluing; compared with a gap coater, the requirement on the purity of glue solution is reduced, even if the glue blocks in the particle shape exist, the glue blocks can be crushed by the heating scraper 214, and linear missing coating caused by blockage can not occur; compared with a roller type transfer coating machine, the roller type transfer coating machine does not need a metering roller, a transfer roller and the like, and has a simpler structure; compared with a scraper type coating machine, the glue solution is carried to the surface of the metal belt through the micropores, no included angle gap exists, the influence of sundries does not need to be worried, the gluing amount is limited through the micropores, the gluing is uniform, and the metering is accurate.
In order to supply the metal sheet 12 to the glue coater 21, the production apparatus further comprises a winding and unwinding machine 23, the winding and unwinding machine 23 is in process connection with the glue coater 21, and the winding and unwinding machine 23 is used for conveying the metal sheet 12 to the glue coater 21. The winding and unwinding machine 23 comprises a symmetrical frame, a connecting shaft 233 and an expansion and contraction disk 234. The symmetrical machine frame is similar to the symmetrical machine frame of the existing bidirectional chuck type unreeling machine and comprises a base 231 and a supporting arm 232; in contrast, the support arm 232 in this embodiment is similar to the support arm of the single arm frame of the single arm hydraulic expanding and contracting type unreeling machine, rather than the support arm of the symmetrical frame of the bidirectional chuck type unreeling machine employed. The supporting arms 232 are provided with two, the two supporting arms 232 are arranged on the base 231 at intervals, and the distance between the two supporting arms 232 is larger than the length of the winding drum. Each support arm 232 is rotatably provided with a connecting shaft 233, the extension lines of the axes of the two connecting shafts 233 are overlapped, the expansion and contraction disk 234 is fixed at the end part of the connecting shaft 233, and the expansion and contraction disk 234 is positioned between the two support arms 232. The collapsible disc 234 and the connecting shaft 233 in this embodiment are similar to those of the single-arm hydraulic collapsible unwinder.
Compared with the existing bidirectional chuck type unreeling machine, the winding and unwinding machine 23 of the embodiment effectively fixes the winding drum by adopting the expansion disc with the tensioning function, so that the coiled material is prevented from falling off, the safety coefficient is improved, and the bearing tonnage is improved; compared with the existing single-arm hydraulic expansion-contraction type unreeling machine, the winding-unwinding machine 23 of the embodiment respectively fixes an expansion-contraction disk by adopting two supporting arms arranged at intervals, so that the gravity center of the fixed coil is prevented from dropping, and the balance degree of the unreeled plate is ensured; compared with the two existing devices, the winding and unwinding machine 23 has the advantages of large bearing tonnage, high safety factor, no center of gravity shift and good balance.
In order to ensure the expansion or contraction of the expansion and contraction disk 234, the winding and unwinding machine further comprises a hydraulic oil cylinder 235 and a hydraulic station, the connecting shaft 233 is a hollow shaft, one end of the connecting shaft 233 is communicated with a hydraulic cavity in the expansion and contraction disk 234, the other end of the connecting shaft 233 is communicated with the hydraulic oil cylinder 235, and the hydraulic station is connected with the hydraulic oil cylinder 235 through a hydraulic pipeline. The expansion disc 234 is used for expanding the winding drum through a hydraulic station and a hydraulic oil cylinder 235. In order to enable the collapsible disc 234 to have rotary power, the take-up and pay-off machine further comprises a gear box 236 and a motor 237 which are fixed on the symmetrical machine frame, the gear box 236 is in transmission connection with the connecting shaft 233, and the gear box 236 is in transmission connection with the motor 237. The motor 237 drives the connecting shaft 233 to rotate through the gear box 236, so that the expansion and contraction disk 234 has a rotating power. Hydraulic rams 235 and hydraulic stations, as well as gear box 236 and motor 237, are known in the art.
In the embodiment, all the devices are electrically controlled and connected by an electric control system commonly used in the field, and all the devices are cooperatively produced under the action of the electric control system.
Example 3
As shown in fig. 6, embodiment 3 provides a method for producing a gold-plastic composite board, which includes steps of gluing, synchronously feeding into a compounding machine for compounding, and the like.
And step S1, gluing. And erecting a metal sheet reel on a winding and unwinding machine, and feeding the metal sheet into a glue coating machine. Under the action of a heating steel roller, a heating scraper and a polyurethane elastic rubber roller of the glue coating machine, the PUR hot melt adhesive with the temperature of 110-140 ℃ is uniformly coated on one side surface of the metal sheet close to the PVC foaming plate, and the coated metal sheet is sent to a compound machine. The glue coating machine is provided with two glue coating machines which are respectively positioned above and below the compound machine and are used for coating glue on the metal sheets on the upper side and the lower side of the PVC foaming plate.
In step S2, the synchronous feed is combined in the multifunction device. And (3) conveying the cooled and molded PVC foaming plate into a compound machine by a tractor, and synchronously conveying the PVC foaming plate and the metal sheet into the compound machine. The metal sheets coated with the glue by the two glue coating machines are respectively positioned on the upper side and the lower side of the PVC foaming plate, and one side of each metal sheet coated with the PUR hot melt glue faces the PVC foaming plate. The PVC foaming plate and the metal sheet are extruded by the pair of composite rollers in the composite machine, the PVC foaming plate and the metal sheet are compounded and molded under the action of the PUR hot melt adhesive to form a three-layer-structured gold-plastic composite plate, and if the PUR hot melt adhesive is also one layer, the three-layer-structured gold-plastic composite plate is a five-layer-structured gold-plastic composite plate. Wherein the metal sheet can be a copper strip, an iron strip or an aluminum strip.
Wherein, the mechanical equipment in each step is produced cooperatively under the action of an electric control system commonly used in the field.
By using the production method provided by the embodiment, the temperature of the PUR hot melt adhesive is only increased to 110-; in addition, the production method of the embodiment is produced by the winding and unwinding machine, the glue coating machine, the tractor and the compound machine in a coordinated manner under the action of the electric control system, and the degree of mechanization is high.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The production equipment of the plastic-gold composite board is characterized by comprising a glue coating machine and a compound machine which are connected in a working procedure, wherein the glue coating machine is used for uniformly coating a PUR hot melt adhesive on one surface, close to a PVC foaming board, of a metal sheet, the glue coating machine is provided with two glue coating machines, the two glue coating machines are respectively positioned above and below the compound machine, and the compound machine is used for enabling the PVC foaming board and the metal sheet which synchronously enter the compound machine to be subjected to compound molding under the action of the PUR hot melt adhesive and the extrusion force of the compound machine.
2. The production equipment of the plastic-gold composite board according to claim 1, wherein the glue coater comprises a coater frame, a heating steel roller, a polyurethane elastic rubber roller and a heating scraper, the two ends of the heating steel roller are pivoted with the coating machine frame, the two ends of the polyurethane elastic rubber roller are pivoted with the coating machine frame, the heating steel roller and the polyurethane elastic rubber roller are arranged in parallel, a gap for threading is arranged between the heating steel roller and the polyurethane elastic rubber roller, a reticulate pattern formed by uniformly distributed micropores is arranged on the circumferential surface of the heating steel roller, the heating scraper is fixed on the coating machine frame, the blade part of the heating scraper is contacted with the circumferential surface of the heating steel roller, and the edge part of the heating scraper is parallel to the heating steel roller, and the heating scraper and the circumferential surface of the heating steel roller form a V-shaped included angle space.
3. The production equipment of the plastic-gold composite board as claimed in claim 1, further comprising a reeling and unreeling machine, wherein the reeling and unreeling machine is connected with the glue coating machine, and is used for conveying the metal sheet to the glue coating machine.
4. The plastic-gold composite board production equipment as claimed in claim 3, wherein the reeling and unreeling machine comprises a symmetrical frame, a connecting shaft and a collapsible disc, the symmetrical frame comprises a base and two supporting arms, the two supporting arms are arranged on the base at intervals, one connecting shaft is rotatably arranged on each supporting arm, the axis extension lines of the two connecting shafts coincide with each other, the collapsible disc is fixed at the end part of the connecting shaft, and the collapsible disc is positioned between the two supporting arms.
5. The utility model provides a gold-plastic composite board, its characterized in that, the gold-plastic composite board includes PVC foaming board and sheet metal, sheet metal set up in the both sides face of PVC foaming board sheet metal pass through the PUR hot melt adhesive with PVC foaming board is fixed sheet metal's keeping away from one side of PVC foaming board is equipped with the paint layer that is suitable for printing the outside on paint layer is equipped with the protection film.
6. The plastic-gold composite board of claim 5 wherein the metal sheet is an aluminum strip, an iron strip or a copper strip.
7. A plastic-gold composite board according to claim 5, wherein the thickness of the PVC foam board is 3-20mm, and the thickness of the metal sheet is 0.05-1 mm.
8. The production method of the gold-plastic composite board is characterized by comprising the following steps;
step S1, gluing; erecting a metal sheet reel on a winding and unwinding machine, feeding the metal sheet into a glue coating machine, uniformly coating 110-140 ℃ PUR hot melt adhesive on one side surface of the metal sheet close to a PVC (polyvinyl chloride) foaming plate, and feeding the coated metal sheet into a compound machine, wherein the glue coating machine is provided with two glue coating machines which are respectively positioned above and below the compound machine;
step S2, synchronously feeding the materials into a compound machine for compounding; the PVC foaming plate formed by cooling is sent into a compound machine by a tractor, and the PVC foaming plate and the metal sheet synchronously enter the compound machine, wherein the metal sheet coated with glue by the two glue coating machines is respectively positioned at the upper side and the lower side of the PVC foaming plate, and the side of the metal sheet coated with the PUR hot melt glue faces the PVC foaming plate; and compounding and molding the PVC foaming plate and the metal sheet under the action of the PUR hot melt adhesive and the extrusion force of the compounding machine.
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| CN201911149688.9A CN110978537A (en) | 2019-11-21 | 2019-11-21 | Gold-plastic composite board and production equipment and production method thereof |
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| CN201911149688.9A CN110978537A (en) | 2019-11-21 | 2019-11-21 | Gold-plastic composite board and production equipment and production method thereof |
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| CN101786367A (en) * | 2010-01-12 | 2010-07-28 | 永州市鑫盈建材有限公司 | Multi-purpose aluminum composite plate production line |
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| CN209209985U (en) * | 2018-11-14 | 2019-08-06 | 常州亨利德包装机械有限公司 | Unwinding device |
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| CN211492876U (en) * | 2019-11-21 | 2020-09-15 | 安徽汇吉科技有限公司 | Gold-plastic composite board and production equipment thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101786367A (en) * | 2010-01-12 | 2010-07-28 | 永州市鑫盈建材有限公司 | Multi-purpose aluminum composite plate production line |
| CN202344944U (en) * | 2011-12-09 | 2012-07-25 | 张家港飞腾铝塑板有限公司 | Aluminum-plastic composite plate capable of digital printing |
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