CN110948989A - High resistant decoration membrane and processing equipment that discolours of waiting - Google Patents
High resistant decoration membrane and processing equipment that discolours of waiting Download PDFInfo
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- CN110948989A CN110948989A CN201911111742.0A CN201911111742A CN110948989A CN 110948989 A CN110948989 A CN 110948989A CN 201911111742 A CN201911111742 A CN 201911111742A CN 110948989 A CN110948989 A CN 110948989A
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- unwinding
- layer
- decorative film
- discoloring
- preheating mechanism
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
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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
- 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
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
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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
- 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
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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
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or 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
- B29L2007/00—Flat articles, e.g. films or 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
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2433/12—Homopolymers or copolymers of methyl methacrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The invention discloses a high weather-resistant non-discoloring decorative film and processing equipment, which comprise a surface layer, a middle layer and a base material layer, wherein the surface layer, the middle layer and the base material layer are compounded into a whole through hot pressing; the continuous production equipment sequentially comprises an unwinding part, a preheating part, a heating part, a temperature returning part, a cooling part, a paper storage part and a winding part according to the sequence of the production flow, wherein the unwinding part comprises a unwinding part I, an unwinding part II and an unwinding part III, the unwinding part I, the unwinding part II and the unwinding part III are sequentially connected, the unwinding part I is connected with a surface layer in a rolling mode, the unwinding part II is connected with a middle layer in a rolling mode, the unwinding part III is connected with a base material layer in a rolling mode, and all the parts are connected with a control part for controlling the work of all the parts. The invention is beneficial to providing a high-quality decorative film product with better weather resistance and more color fastness, and the generated equipment is more convenient for mass production and manufacture of people.
Description
Technical Field
The invention relates to the technical field of decorative materials, in particular to a high-weather-resistance non-color-changing decorative film and processing equipment.
Background
The decorative film is a novel decorative material prepared by adding various auxiliary agents into high-molecular Polymer (PVC) serving as a raw material, calendering and compounding, and the high-weather-resistance non-discoloring decorative film is not enough to influence the whole decoration effect due to color difference caused by poor ultraviolet-proof function of a common decorative film and easy color change after diffuse light and direct sunlight on a window part after indoor decoration. However, the existing decorative film has poor weather resistance, often changes color, and cannot meet the requirements of people on high-quality products, and meanwhile, the existing equipment for processing the decorative film cannot process the high-quality decorative film. There is therefore a need for improvements.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a high-weather-resistance non-discoloring decorative film and processing equipment, which are beneficial to providing a high-quality decorative film product with better weather resistance and more non-discoloring, and meanwhile, the generated equipment is more convenient for mass production and manufacturing of people.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a high weather-resistant non-discoloring decorative film comprises a surface layer, a middle layer and a base material layer, wherein the surface layer, the middle layer and the base material layer are compounded into a whole through hot pressing;
the surface layer is a PETG surface film, and a water-based paint layer is printed on the PETG surface film through a gravure printing roller;
the middle layer comprises resin powder, toner, diluent and filler which are mixed according to a specific proportion, and the proportion has no obvious component proportion mainly according to the richness of the pattern;
the substrate layer is an environment-friendly PVC calendered film, and the environment-friendly PVC calendered film comprises the following components, by weight, 100 parts of PVC; 15-25 parts of titanium dioxide; 20-30 parts of calcium powder; 18-24 parts of a plasticizer; 2-5 parts of toner, wherein the toner is 2-5 parts of adjusted color and is a comprehensive value according to different color systems; 2-5 parts of a stabilizer; 1-3 parts of polymethyl methacrylate (PMMA).
The water-based paint layer mainly comprises PU resin and a curing agent, wherein the PU resin and the curing agent are 22: 7, adding a diluent (butyl grease) for adjusting the viscosity, wherein whether the water paint layer is required for 11-12 seconds is measured by a 3# tean cup, adding the diluent (butyl grease) for adjusting the viscosity to the process requirement (the process requirement is that the water paint can be uniformly transferred onto the printing substrate under the viscosity, and the optimal coating weight can be achieved).
The diluent adopts butyl grease, and the filler adopts titanium dioxide.
The gravure printing wheel is a printing wheel track of a 180-mesh gravure, so that the compression is more compact and compact.
The invention has the beneficial effects that: compared with the prior art, the surface layer is a PETG surface film, the water-based paint layer is printed on the PETG surface film through a gravure printing roller, the surface layer does not generate harmful gas in the production, processing and later-stage use processes, and meanwhile, the material has the function of blocking ultraviolet rays, and the indoor weather resistance can reach more than ten years without color change; the middle layer comprises resin powder, toner, diluent and filler, and the standard limit values of heavy metal, TVOC and the like in the environmental protection requirement are far lower than the national standard; the substrate layer is environment-friendly PVC calendering membrane, has low smell and low TVOC's environment-friendly PVC calendering membrane, also has resistant ultraviolet ray. The invention has reasonable design and is beneficial to providing a high-quality decorative film product with better weather resistance and more color fastness.
The continuous production equipment comprises a unwinding part, a preheating part, a heating part, a temperature returning part, a cooling part, a paper storage part and a winding part in sequence according to the sequence of a production flow, wherein the unwinding part comprises a unwinding part I, an unwinding part II and an unwinding part III, the unwinding part I, the unwinding part II and the unwinding part III are sequentially connected, a surface layer is rolled on the unwinding part I, a middle layer is rolled on the unwinding part II, a base material layer is rolled on the unwinding part III, and all the parts are connected with a control part for controlling the work of all the parts.
The first unreeling part, the second unreeling part and the third unreeling part in the unreeling parts comprise bases, connecting plates and covers, the bases are sequentially provided with unreeling feeding rollers, unreeling pressing rollers and unreeling transmission roller groups from top to bottom, the unreeling transmission roller groups are divided into upper unreeling transmission rollers, middle unreeling transmission rollers and lower unreeling transmission rollers, the bases between the adjacent bases are mutually connected through the connecting plates, the lower bottom surfaces of the connecting plates are provided with unreeling guide roller groups, unreeling guide rollers are arranged in the unreeling guide roller groups, the number of the unreeling guide rollers is consistent with the number of the rows of the bases, if the first base is provided, only one unreeling guide roller is used for transmitting a middle base layer in the unreeling part, when the second base is provided, two unreeling guide rollers are arranged, one upper base layer is used for transmitting the middle base layer, the other lower base layer is used for transmitting, the middle layer is used for transmission, and the lower layer is used for transmission of the base material layer, so that the production and the manufacture of the decorative film are facilitated. The engine bases between adjacent engine bases are convenient to connect and fix through the connecting plate, and the connecting plate enables the engine bases to be fixed through bolts or screws, so that people can conveniently install the engine bases.
The number of unreeling guide wheel set is one or two, can unreel the actual installation of guide wheel set according to actual conditions, is favorable to more carrying out the compaction for the intaglio printing wheel span of 180 meshes through intaglio printing wheel, also is favorable to the transmission of decorating film more.
The preheating part comprises a machine body, an upper preheating mechanism, a middle preheating mechanism and a lower preheating mechanism, the upper preheating mechanism, the middle preheating mechanism and the lower preheating mechanism are arranged in the machine body and are respectively formed by combining four heating rollers which are connected in front and back, the upper preheating mechanism, the middle preheating mechanism and the lower preheating mechanism are respectively provided with a constant temperature control system, the temperature generated by the preheating part is 60-80 ℃, the preheating of the decorative film for production and processing is more facilitated, the heating of subsequent steps is facilitated, the damage to the decorative film for production and processing caused by sudden high temperature is more facilitated, the unfolding of the decorative film for production and processing is facilitated, the advance preparation is prepared for the integration of subsequent heating meshing, an upper feeding transmission guide wheel group and an upper discharging transmission guide wheel group are correspondingly arranged at two corresponding ends of the upper preheating mechanism, the two ends that the mechanism corresponds in preheating are provided with well feeding transmission guide pulley group and well ejection of compact transmission guide pulley group correspondingly, and the mechanism corresponds both ends of preheating down and are provided with down feeding transmission guide pulley group and ejection of compact transmission guide pulley group correspondingly, wherein go up preheating mechanism, in preheat the mechanism and preheat the mechanism down and can preheat corresponding top layer 1, intermediate level and substrate layer respectively to better warming mill is pressed in the later stage heating as an organic whole.
The heating part is internally provided with a heating turntable and a discharging meshing roller set, wherein the heating temperature is 140-180 ℃, a heater is arranged in the heating turntable and used for heating water in the heating turntable, the heating turntable is communicated with an external water pipe, and the design of the heating turntable is also beneficial to the decorative film produced by the heating part.
The temperature return part is provided with an upper pressure wheel set and a lower pressure wheel set, the upper pressure wheel set and the lower pressure wheel set are meshed with each other, the upper pressure wheel set and the lower pressure wheel set are four temperature return rollers, the four temperature return rollers are connected with a constant-temperature water tank, and the temperature of the temperature return rollers is 90-100 ℃, so that direct cooling can be avoided, and the production of high-quality decorative film products with better weather resistance and more color fastness can be facilitated.
There is certain interval between heating portion and the portion of rising back the temperature, interval distance is 180 mm, makes things convenient for the installation between heating portion and the portion of rising back the temperature, and it also does benefit to the decorative film of production and processing in the portion of rising back the temperature of sequent to carry out the processing of rising back the temperature simultaneously, also is favorable to the pressfitting to compound as an organic whole more simultaneously, has improved weatherability greatly.
The cooling part includes intermeshing's big cooling gear roller, installs a plurality of little cooling rollers in the big cooling gear roller, the quantity of big cooling gear roller is four, every install five little cooling rollers in the big cooling gear roller, wherein be provided with cooling water entry and delivery port on the little cooling roller, the cooling water entry is connected with cooler portion to provide cold water source, big cooling gear roller directly cools off the decorative film of the production and processing that contacts on the one hand, also can reduce the inside temperature of cooling part simultaneously, thereby be favorable to the decorative film cooling at the inside production and processing of cooling part.
Cooling portion and store up and be provided with traction wheel and guide rail wheelset between the paper portion, the traction wheel sets up on the cooling portion, and the guide rail wheelset sets up in storing up the paper portion, the guide rail wheelset is three guide pulley, is favorable to the installation of traction wheel and guide rail wheelset on the one hand, and on the other hand traction wheel and guide rail wheelset are favorable to producing the decorative film of processing.
Store up paper portion including storing up the paper body, store up the inside top guide pulley group and the bottom guide pulley group that is provided with of paper body, store up the paper side limit and be provided with the guide pulley group of unloading, its design that stores up paper portion does benefit to the decorative film of production and processing and extends and store, is favorable to mechanized production and processing more.
The rolling part comprises a base body, a large reel, a motor and a transmission shaft, the motor and the transmission shaft are arranged in the base body, the large reel is arranged on the upper end face of the base body, the motor is in transmission connection with the transmission shaft through a transmission gear, the large reel is arranged on the transmission shaft, the roller wheels are arranged on the lower bottom face of the base body, the rolling part is used for rolling the formed decorative film, the rolling mode is a reel type automatic rolling mode, the rolling mode can be conveniently moved, and continuous production is facilitated.
The invention has the beneficial effects that: compared with the prior art, the high-quality decorative film has the advantages that the winding part, the preheating part, the heating part, the temperature returning part, the cooling part, the paper storage part and the winding part are sequentially arranged, continuous production and manufacturing can be realized, batch production is greatly improved, market development requirements can be met, and meanwhile, the preheating part, the heating part, the temperature returning part, the cooling part and the paper storage part are more favorable for producing high-quality decorative film products with better weather resistance and more color fastness; the unwinding part comprises a first unwinding part, a second unwinding part and a third unwinding part, the first unwinding part, the second unwinding part and the third unwinding part are sequentially connected, the first unwinding part is in roll connection with a surface layer, the second unwinding part is in roll connection with a middle layer, and the third unwinding part is in roll connection with a substrate layer.
Drawings
FIG. 1 is a schematic view of the decoration film of the present invention.
FIG. 2 is a schematic front view of the processing apparatus of the present invention.
Fig. 3 is a schematic view of an unwinding portion of the present invention.
FIG. 4 is a schematic view of a preheating section according to the present invention.
FIG. 5 is a schematic view of a heating section of the present invention.
FIG. 6 is a schematic view of the temperature recovery portion of the present invention.
Fig. 7 is a schematic view of the cooling portion of the present invention.
FIG. 8 is a schematic view of a paper storage portion according to the present invention.
FIG. 9 is a schematic view of the winding portion of the present invention.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, as shown in the figure, the high weather-resistant non-discoloring decorative film comprises a surface layer 1, an intermediate layer 2 and a substrate layer 3, wherein the surface layer 1, the intermediate layer 2 and the substrate layer 2 are compounded into a whole through hot pressing; surface layer 1 is PETG surface film, has the waterborne lacquer layer through intaglio printing rotary printing on the PETG surface film, the waterborne lacquer layer mainly comprises PU resin and curing agent, and PU resin and curing agent are 22 according to the mass ratio: 7, adding a diluent (butyl grease) for adjusting viscosity, wherein whether the water paint layer is required for 11-12 seconds is measured by a 3# tean cup, wherein the diluent (butyl grease) is added for adjusting the viscosity to the process requirement (the process requirement is that the water paint can be uniformly transferred onto a printing substrate under the viscosity and the optimal coating weight can be achieved), and the intaglio printing wheel has the printing wheel pitch of a 180-mesh intaglio, so that the compacting is more compact and compact; the middle layer 2 is prepared by mixing resin powder, toner, diluent and filler according to a specific proportion, and the proportion is mainly based on the richness of the pattern and has no obvious component proportion; the substrate layer 3 is an environment-friendly PVC calendered film, and the environment-friendly PVC calendered film comprises the following components, by weight, 100 parts of PVC; 15-25 parts of titanium dioxide; 20-30 parts of calcium powder; 18-24 parts of a plasticizer; 2-5 parts of toner, wherein the toner is 2-5 parts of adjusted color and is a comprehensive value according to different color systems; 2-5 parts of a stabilizer; 1-3 parts of polymethyl methacrylate (PMMA).
Examples
A high weather-resistant non-discoloring decorative film comprises a surface layer 1, an intermediate layer 2 and a substrate layer 3, wherein the surface layer 1, the intermediate layer 2 and the substrate layer 2 are compounded into a whole through hot pressing; surface layer 1 is PETG surface film, has the waterborne lacquer layer through intaglio printing rotary printing on the PETG surface film, the waterborne lacquer layer mainly comprises PU resin and curing agent, and PU resin and curing agent are 22 according to the mass ratio: 7, mixing, and then adding a diluent (butyl grease such as n-butyl acetate, butyl acetate and the like) for adjusting viscosity, wherein whether the water paint layer is required for 11 seconds to 12 seconds is measured by a 3# tean cup, wherein the diluent (butyl grease) is added for adjusting the viscosity to the process requirement (the process requirement is that the water paint can be uniformly transferred onto a printing substrate under the viscosity and the optimal coating amount can be reached), and the intaglio printing wheel is the printing wheel pitch of a 180-mesh intaglio, so that the packing is more compact and compact; the middle layer 2 is prepared by mixing resin powder, toner, diluent and filler according to a specific proportion, the proportion is mainly based on the richness of the pattern, no obvious component proportion exists, the diluent adopts butyl resin, and the filler adopts titanium dioxide; the substrate layer 3 is an environment-friendly PVC calendered film, and the environment-friendly PVC calendered film comprises the following components, by weight, 100 parts of PVC; 20 parts of titanium dioxide; 25 parts of calcium powder; 20 parts of a plasticizer; 4 parts of toner; 4 parts of a stabilizer; 2 parts of polymethyl methacrylate (PMMA).
The decorative film product can completely replace all surface decorative films in the existing market, can absorb and isolate ultraviolet rays, does not change color and distort through a special weather resistance test of more than 6000 hours by the national building material test center, is basically consistent with the natural solid wood glossiness, is superior to the existing decorative films, has better physical and mechanical properties, and can meet the use requirements of vacuum plastic uptake, section bar coating, steel plate film coating, bending stamping, polymer extrusion film coating and other processes.
As shown in fig. 2, the continuous production equipment sequentially unreels a first unreeling part 10, a second unreeling part 102 and a third unreeling part 103 according to the sequence of a production flow, the first unreeling part 101, the second unreeling part 102 and the third unreeling part 103 are sequentially connected, the first unreeling part 101 is rolled with a surface layer 1, the second unreeling part 102 is rolled with a middle layer 2, the third unreeling part 103 is rolled with a substrate layer 3, each part is connected with a control part 80 for controlling the work of each part, and the control part 80 is the same as that of the prior art.
Further, as shown in fig. 3, the first unwinding portion 101, the second unwinding portion 102 and the third unwinding portion 103 in the unwinding portion 10 include a base 104, a connecting plate 105 and a cover 106, the base 104 is sequentially provided with an unwinding feeding roller 1041, an unwinding pressing roller 1042 and an unwinding transmission roller group 1043 from top to bottom, the unwinding transmission roller group 1043 is divided into an upper unwinding transmission roller 10431, a middle unwinding transmission roller 10432 and a lower unwinding transmission roller 10433, adjacent bases 104 are connected with each other through the connecting plate 105, an unwinding guide roller group 1051 is provided on a lower bottom surface of the connecting plate 105, an unwinding guide roller 1052 is provided in the unwinding guide roller group 1051, the number of the unwinding guide rollers 1052 is consistent with the number of the bases 104, for example, when a first base 104 is provided, only one unwinding guide roller 1052 is used for transmitting the base layer 3 in the first unwinding portion 101, when a second base 104 is provided, two unwinding guide rollers 1052 are provided, and the upper one is used for transmitting the intermediate, next one supplies the transmission of substrate layer 3, and during the third frame 104, unreel guide pulley 1052 has threely, and the higher authority one supplies top layer 1 to transmit, and the transmission of middle 2 supplies the intermediate level, and the transmission of next one supplies substrate layer 3 to be favorable to the production and the preparation of decorating film more. It is convenient for connect fixedly through connecting plate 105 between the adjacent frame 104, and connecting plate 105 also makes to fix through bolt or screw, makes things convenient for people's installation, the quantity that unreels guide pulley group 1051 is one or two, can unreel the actual installation of guide pulley group 1051 according to actual conditions, is favorable to more carrying out the compaction for the printing wheel span of 180 mesh intaglio through the intaglio printing wheel, also is favorable to the transmission of decorating film more.
Further, as shown in fig. 4, the preheating part 20 includes a body 201, an upper preheating mechanism 202, a middle preheating mechanism 203 and a lower preheating mechanism 204, the body 201 is internally provided with the upper preheating mechanism 202, the middle preheating mechanism 203 and the lower preheating mechanism 204, the upper preheating mechanism 202, the middle preheating mechanism 203 and the lower preheating mechanism 204 are all formed by combining four heating rollers connected in front and at the back, the upper preheating mechanism 202, the middle preheating mechanism 203 and the lower preheating mechanism 204 are all configured with a constant temperature control system, wherein the temperature generated by the preheating part 20 is 60 to 80 ℃, which is more beneficial to preheating the decorative film for production and processing, is beneficial to heating in the subsequent steps, is more beneficial to reducing damage to the decorative film for production and processing caused by sudden high temperature, is also beneficial to unfolding the decorative film for production and processing, and is prepared in advance for subsequent heating and meshing, an upper feeding transmission guide pulley group and an upper discharging transmission guide pulley group are correspondingly arranged at two corresponding ends of the upper preheating mechanism 202, the both ends that well preheating mechanism 203 corresponds correspond and are provided with well feeding transmission guide pulley group and well ejection of compact transmission guide pulley group, and the both ends correspondence that lower preheating mechanism 204 corresponds is provided with down feeding transmission guide pulley group and ejection of compact transmission guide pulley group, and wherein go up preheating mechanism 202, well preheating mechanism 203 and preheating mechanism 204 down can be respectively to reply top layer 1, intermediate level 2 and substrate layer 3 and preheat to better warming mill is pressed in the later stage heating as an organic whole.
Further, as shown in fig. 5, a heating turntable 31 and a discharging meshing roller set 32 are disposed inside the heating part 30, wherein the heating temperature is 140 to 180 ℃, a heater is disposed inside the heating turntable 31, the heater is used for heating water inside, the heating turntable 31 is communicated with an external water pipe, and the design is also beneficial for the decorative film produced from the heating part 30.
Further, as shown in fig. 6, an upper pinch roller set 401 and a lower pinch roller set 402 are arranged on the temperature returning part 40, the upper pinch roller set 401 and the lower pinch roller set 402 are meshed with each other, the upper pinch roller set 401 and the lower pinch roller set 402 are four temperature returning rollers, the four temperature returning rollers are connected with a constant temperature water tank, the temperature returning temperature is 90-100 ℃, so that direct temperature reduction can be avoided, production of a high-quality decorative film product with better weather resistance and more color fastness can be facilitated, a certain distance exists between the heating part 30 and the temperature returning part 40, the distance is 180 mm, installation between the heating part 30 and the temperature returning part 40 is facilitated, meanwhile, the decorative film produced and processed in the subsequent temperature returning part 40 is facilitated to be subjected to temperature returning treatment, meanwhile, lamination and compounding are also facilitated, and the weather resistance is greatly improved.
Further, as shown in fig. 7 and 8, the cooling part 50 includes a large cooling gear roller 501 engaged with each other, a plurality of small cooling rollers are installed in the large cooling gear roller 501, the number of the large cooling gear rollers 501 is four, five small cooling rollers are installed in each large cooling gear roller 501, wherein the small cooling rollers are provided with a cooling water inlet and a cooling water outlet, the cooling water inlet is connected with the cooling part to provide a cold water source, on one hand, the large cooling gear roller 501 directly cools the decorative film in the production process in contact, and simultaneously, the temperature inside the cooling part 50 is also reduced, thereby facilitating the cooling of the decorative film in the production process inside the cooling part 50. Be provided with traction wheel 51 and guide pulley group 61 between cooling portion 50 and the paper storage portion 60, traction wheel 51 sets up on cooling portion 50, and guide pulley group 61 sets up on paper storage portion 60, guide pulley group 61 is three guide pulley, is favorable to the installation of traction wheel 51 and guide pulley group 61 on the one hand, and on the other hand traction wheel 51 and guide pulley group 61 are favorable to the decorative film of production and processing.
Further, as shown in fig. 8, the paper storage portion 60 includes a paper storage body 601, a top guide wheel set 6011 and a bottom guide wheel set 6012 are disposed inside the paper storage body 601, a discharge guide wheel set 6013 is disposed on a side of the paper storage body 601, and the design of the paper storage portion 60 facilitates stretching and storing of the decorative film produced and processed, and is more beneficial to mechanical production and processing.
Further, as shown in fig. 9, the winding portion 70 includes a base body 701, a large reel 702, a motor 703 and a transmission shaft 704, the motor 703 and the transmission shaft 704 are disposed inside the base body 701, the large reel 702 is disposed on the upper end surface of the base body 701, the motor 703 is in transmission connection with the transmission shaft 704 through a transmission gear, the large reel 702 is disposed on the transmission shaft 704, and a roller 705 is disposed on the lower bottom surface of the base body 701, and the winding portion 70 is used for winding the molded decorative film, and the winding manner is reel-type automatic winding, which can be conveniently moved and is also beneficial to achieving continuous production.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.
Claims (10)
1. The high weather-resistant non-discoloring decorative film is characterized in that: the heat-insulation composite material comprises a surface layer (1), an intermediate layer (2) and a base material layer (3), wherein the surface layer (1), the intermediate layer (2) and the base material layer (2) are compounded into a whole through hot pressing;
the surface layer (1) is a PETG surface film, and a water-based paint layer is printed on the PETG surface film through a gravure printing roller;
the middle layer (2) is prepared by mixing resin powder, toner, a diluent and a filler;
the substrate layer (3) is an environment-friendly PVC calendered film, and the environment-friendly PVC calendered film comprises the following components, by weight, 100 parts of PVC; 15-25 parts of titanium dioxide; 20-30 parts of calcium powder; 18-24 parts of a plasticizer; 2-5 parts of toner; 2-5 parts of a stabilizer; 1-3 parts of polymethyl methacrylate (PMMA).
2. The highly weatherable, non-discoloring decorative film according to claim 1, wherein: the water-based paint layer mainly comprises PU resin and a curing agent, wherein the PU resin and the curing agent are 22: 7, and then adding a diluent for adjusting the viscosity.
3. The highly weatherable, non-discoloring decorative film according to claim 1, wherein: the diluent adopts butyl grease, and the filler adopts titanium dioxide.
4. The apparatus for processing a highly weatherable and non-discoloring decorative film according to any one of claims 1 to 3, wherein: the continuous production equipment sequentially unreels a reeling part (10), a preheating part (20), a heating part (30), a temperature returning part (40), a cooling part (50), a paper storage part (60) and a reeling part (70) according to the sequence of a production flow, wherein the reeling part (10) is divided into a first unreeling part (101), a second unreeling part (102) and a third unreeling part (103), the first unreeling part (101), the second unreeling part (102) and the third unreeling part (103) are sequentially connected, a surface layer (1) is rolled on the first unreeling part (101), a middle layer (2) is rolled on the second unreeling part (102), a base material layer (3) is rolled on the third unreeling part (103), and each part is connected with a control part (80) for controlling the work of each part.
5. The apparatus for processing a highly weatherable and non-discoloring decorative film according to claim 4, wherein: the unwinding device is characterized in that a first unwinding part (101), a second unwinding part (102) and a third unwinding part (103) in the unwinding part (10) comprise a base (104), a connecting plate (105) and a cover (106), the base (104) is sequentially provided with an unwinding feeding roller (1041), an unwinding pressing roller (1042) and an unwinding transmission roller set (1043) from top to bottom, the unwinding transmission roller set (1043) is divided into an upper unwinding transmission roller (10431), a middle unwinding transmission roller (10432) and a lower unwinding transmission roller (10433), the bases (104) between adjacent bases are connected with each other through the connecting plate (105), an unwinding guide wheel set (1051) is arranged on the lower bottom surface of the connecting plate (105), an unwinding guide wheel (1052) is arranged in the unwinding guide wheel set (1051), and the number of the unwinding guide wheels (1052) is consistent with the number of the bases (104).
6. The apparatus for processing a highly weatherable and non-discoloring decorative film according to claim 4, wherein: the preheating part (20) comprises a machine body (201), an upper preheating mechanism (202), a middle preheating mechanism (203) and a lower preheating mechanism (204), the upper preheating mechanism (202), the middle preheating mechanism (203) and the lower preheating mechanism (204) are arranged inside the machine body (201), the upper preheating mechanism (202), the middle preheating mechanism (203) and the lower preheating mechanism (204) are formed by combining four heating rollers which are connected front and back, and the upper preheating mechanism (202), the middle preheating mechanism (203) and the lower preheating mechanism (204) are all provided with a constant temperature control system.
7. The apparatus for processing a highly weatherable and non-discoloring decorative film according to claim 6, wherein: go up to preheat that the both ends correspondence that mechanism (202) correspond is provided with the material feeding transmission guide pulley group and goes up ejection of compact transmission guide pulley group, and the middle both ends correspondence that mechanism (203) corresponds is provided with middle material feeding transmission guide pulley group and middle ejection of compact transmission guide pulley group, and the both ends correspondence that mechanism (204) correspond is provided with down material feeding transmission guide pulley group and lower ejection of compact transmission guide pulley group down.
8. The apparatus for processing a highly weatherable and non-discoloring decorative film according to claim 4, wherein: the heating part (30) is internally provided with a heating turntable (31) and a discharging meshing roller set (32).
9. The apparatus for processing a highly weatherable and non-discoloring decorative film according to claim 4, wherein: the temperature return part (40) is provided with an upper pressure wheel set (401) and a lower pressure wheel set (402), the upper pressure wheel set (401) is meshed with the lower pressure wheel set (402), the upper pressure wheel set (401) and the lower pressure wheel set (402) are four temperature return rollers, and the four temperature return rollers are connected with a constant temperature water tank.
10. The apparatus for processing a highly weatherable and non-discoloring decorative film according to claim 4, wherein: the cooling part (50) comprises a large cooling gear roller (501) which is meshed with each other, and a plurality of small cooling rollers are arranged in the large cooling gear roller (501).
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