CN112011169A - Processing technology of packaging paper with waterproof performance - Google Patents
Processing technology of packaging paper with waterproof performance Download PDFInfo
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- CN112011169A CN112011169A CN202010934777.0A CN202010934777A CN112011169A CN 112011169 A CN112011169 A CN 112011169A CN 202010934777 A CN202010934777 A CN 202010934777A CN 112011169 A CN112011169 A CN 112011169A
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- paper
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- paper tape
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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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
- B32B27/10—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 paper or cardboard
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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
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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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
- B32B29/00—Layered products comprising a layer of paper or cardboard
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
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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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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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
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- 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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- 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
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- C08K3/346—Clay
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Abstract
The invention discloses a processing technology of waterproof packaging paper, which comprises a paper tape and a waterproof film positioned on the upper surface of the paper tape, and specifically comprises the following steps: preparing a first mixed material and a second mixed material, adding the first mixed material and the second mixed material into a reaction kettle, heating and mixing, extruding through an extruder, performing blow molding to obtain a waterproof film, bonding the waterproof film and a paper tape, cutting edges, and rolling to obtain packaging paper with waterproof performance; this wrapping paper toughness is high, evenly paint glue at the paper tape upper surface through rubber coating mechanism, the adhesion effect of paper tape and water proof membrane has been guaranteed, thereby the waterproof performance of this wrapping paper has been guaranteed, guarantee the thickness of this wrapping paper simultaneously evenly, cut the both sides of waterproof paper base body respectively through two cutting knives, can avoid paper tape and water proof membrane to take place the dislocation or the width leads to paper tape and water proof membrane to appear not coinciding in the bonding in-process in short time, the condition of both sides misalignment, thereby the quality of this wrapping paper has been guaranteed.
Description
Technical Field
The invention relates to the technical field of production of packaging paper, in particular to a processing technology of packaging paper with waterproof performance.
Background
With the development of science and technology, the social progress and the continuous improvement of the living standard of people, paper is endowed with various functions, wrapping paper with waterproof performance is needed in the industries of navigation, building, catering and the like, the traditional waterproof wrapping paper has poor toughness, the bonding effect of a paper tape and a waterproof film is poor, so that the waterproof performance of the wrapping paper is poor, the paper tape and the waterproof film of the traditional waterproof wrapping paper are easy to have misalignment during production, and the paper tape and the waterproof film are not completely overlapped during bonding, so that the quality of the wrapping paper is influenced.
Disclosure of Invention
The invention aims to provide a processing technology of a packaging paper with waterproof performance, and solves the technical problems that the traditional waterproof packaging paper is poor in toughness, the waterproof performance of the packaging paper is poor due to poor adhesion effect of a paper tape and a waterproof film, and the quality of the packaging paper is affected due to the fact that the paper tape and the waterproof film are not overlapped.
The purpose of the invention can be realized by the following technical scheme:
a processing technology of a packaging paper with waterproof performance comprises a paper tape and a waterproof film positioned on the upper surface of the paper tape;
the waterproof membrane is prepared from the following raw materials in parts by weight:
25-30 parts of polyurethane, 12-15 parts of polyethylene resin, 8-12 parts of epoxy resin, 10-13 parts of montmorillonite powder, 3-5 parts of glass fiber, 6-8 parts of ethylene-vinyl acetate copolymer, 3-5 parts of calcium carbonate, 2-6 parts of nano titanium dioxide, 1-5 parts of sodium polyethylene, 2-4 parts of halloysite nanotube and 1-4 parts of toughening agent;
the process specifically comprises the following steps:
step one, adding polyurethane and polyethylene resin into a pulverizer for pulverizing, sieving with a 200-mesh sieve, adding into a mixer, adding epoxy resin, montmorillonite powder, glass fiber, nano titanium dioxide, sodium polyethylene and halloysite nanotubes into the mixer, stirring for 15-20min at the rotation speed of 800r/min plus 600-;
step two, adding the first material mixing and the second material mixing into a reaction kettle, stirring for 20-30min at the temperature of 60-120 ℃ and the rotating speed of 750-155 r/min to obtain a mixture, adding the mixture into an extruder, setting the melting temperature of the extruder to 140-155 ℃, and performing extrusion through the extruder and blow molding to obtain a waterproof film;
step three, adding glue into a liquid storage hopper of a packaging paper processing device, respectively winding a paper tape and a waterproof film on a paper discharge roller and a film discharge roller, starting the paper discharge roller and the film discharge roller to discharge, enabling the paper tape to pass between a gluing mechanism and a belt conveyor, opening a valve on a guide pipe, enabling the glue in the liquid storage hopper to fall onto the upper surface of the paper tape through the guide pipe, starting a gluing motor, driving a threaded rod to rotate by the gluing motor, driving two moving blocks to move oppositely and reversely repeatedly by the threaded rod, driving two gluing brushes to paint the glue on the upper surface of the paper tape, enabling the glue to be uniformly painted on the upper surface of the paper tape, starting a compression roller cylinder when the paper tape and the waterproof film move below a hot pressing roller, driving the compression roller to descend, driving the hot pressing roller to extrude the paper tape and the waterproof film, and heating the paper tape and the waterproof film by the hot pressing roller while extruding, make glue solidify, and make paper tape and water proof membrane bonding as an organic whole, obtain the waterproof paper base body, when the waterproof paper base body moves to whole limit mechanism below, start the moving motor, two belt pulleys of moving motor cooperation use and drive the belt and rotate, the belt drives two fly leafs and moves in opposite directions or reverse direction, and drive two cutting knives in opposite directions or reverse direction, adjust the interval of two cutting knives according to the width of waterproof paper base body, cut the both sides of waterproof paper base body respectively and through the wind-up roll rolling through two cutting knives, obtain the wrapping paper that has waterproof performance.
Further, the toughening agent is carboxyl nitrile rubber.
Further, the glue is an epoxy resin adhesive or a phenolic resin adhesive.
Further, the wrapping paper processingequipment includes the casing, the casing is hollow and the cuboid structure that both ends link up, the inboard of casing is rotated and is installed and put paper roll and guide roll one, the inboard fixed mounting of casing has band conveyer, band conveyer is located one side of guide roll one, the inboard fixed mounting of casing has rubber coating mechanism, rubber coating mechanism is located band conveyer's top, the top fixed mounting of casing has the stock solution fill, the bottom fixedly connected with pipe of stock solution fill, install the valve on the pipe, the pipe is located rubber coating mechanism's top, the inboard of casing is rotated and is installed and put membrane roller and guide roll two, the top fixed mounting of casing has the compression roller cylinder, the output pole bottom of compression roller cylinder extends to the inboard of casing, just the output pole bottom fixed mounting of compression roller cylinder has the compression roller mounting bracket, rotate on the compression roller mounting bracket and install the hot pressing roller, the electrothermal tube is installed to the inboard of hot pressing roller, it is two in between pipe and hot pressing roller to put membrane roller and guide roll, one side of hot pressing roller is provided with whole limit mechanism, whole limit mechanism fixed mounting is in the inboard of casing, one side that band conveyer kept away from guide roll one is provided with guide roll three, one side of guide roll three is provided with the wind-up roll, wind-up roll and guide roll three all rotate with the casing and are connected.
Further, the rubber coating mechanism includes the mount, rotate on the mount and install the threaded rod, fixed mounting has the rubber coating motor on the mount, the output axle head of rubber coating motor and the one end fixed connection of threaded rod, the screw thread at threaded rod both ends is the symmetric distribution about the threaded rod middle part, threaded connection has two movable blocks on the threaded rod, two the equal fixed mounting in bottom of movable block has the rubber coating brush, fixed mounting has the guide bar on the mount, guide bar and two movable block sliding connection.
Further, trimming mechanism is including supporting the diaphragm, one side of supporting the diaphragm is rotated and is installed two belt pulleys, connects through the belt between two belt pulleys, the opposite side fixed mounting who supports the diaphragm has the moving motor, the output shaft and one of them belt pulley fixed connection of moving motor, one side movable mounting who supports the diaphragm has two fly leafs, two the fly leaf is articulated with the both ends of expansion bracket respectively, two the fly leaf respectively with the upper and lower side fixed connection of belt, two equal fixed mounting has the lift cylinder on the fly leaf, the output pole bottom fixed mounting of lift cylinder has the fixed plate, fixed mounting has the cutting knife on the fixed plate.
Furthermore, one side fixed mounting that supports the diaphragm has the slide rail, two equal fixed mounting has the slider on the fly leaf, the fly leaf passes through slider, slide rail and supports diaphragm sliding connection.
Further, fixed mounting has the pole setting on the support diaphragm, set up the spout that is vertical setting in the pole setting, the middle part of expansion bracket is rotated and is installed the guide post, the one end slidable mounting that the expansion bracket was kept away from to the guide post is in the spout.
Further, the working method of the wrapping paper processing device specifically comprises the following steps:
adding glue into a liquid storage hopper of a packaging paper processing device, respectively winding a paper tape and a waterproof film on a paper discharge roller and a film discharge roller, starting the paper discharge roller and the film discharge roller to unwind, enabling the paper tape to pass between a gluing mechanism and a belt conveyor, opening a valve on a guide pipe, enabling the glue in the liquid storage hopper to fall on the upper surface of the paper tape through the guide pipe, starting a gluing motor, driving a threaded rod to rotate by the gluing motor, driving two moving blocks to repeatedly move oppositely and reversely, driving two gluing brushes to paint the glue on the upper surface of the paper tape, enabling the glue to be uniformly painted on the upper surface of the paper tape, starting a compression roller cylinder when the paper tape and the waterproof film move below a hot pressing roller, driving the compression roller mounting frame to descend, driving the hot pressing roller to extrude the paper tape and the waterproof film, and heating the paper tape and the waterproof film by the hot pressing roller while extruding, make glue solidify, and make paper tape and water proof membrane bonding as an organic whole, obtain the waterproof paper base body, when the waterproof paper base body moves to whole limit mechanism below, start the moving motor, two belt pulleys of moving motor cooperation use and drive the belt and rotate, the belt drives two fly leafs and moves in opposite directions or reverse direction, and drive two cutting knives in opposite directions or reverse direction, adjust the interval of two cutting knives according to the width of waterproof paper base body, cut the both sides of waterproof paper base body respectively and through the wind-up roll rolling through two cutting knives, obtain the wrapping paper that has waterproof performance.
The invention has the beneficial effects that:
according to the invention, the montmorillonite powder is added into the raw materials for preparing the waterproof film, the polyurethane, the epoxy resin, the polyethylene resin, the nano titanium dioxide and the glass fiber can be tightly adsorbed together through the adsorption capacity of the montmorillonite powder, and the ethylene-vinyl acetate copolymer, the flexibilizer and the calcium carbonate are added into the raw materials for preparing the waterproof film, so that the toughness of the waterproof film is improved, and the toughness of the packaging paper is improved;
according to the invention, glue is added into a liquid storage hopper of a packaging paper processing device, a paper tape and a waterproof film are respectively wound on a paper discharge roller and a film discharge roller, when the paper tape passes between a gluing mechanism and a belt conveyor, a valve on a guide pipe is opened, the glue in the liquid storage hopper falls onto the upper surface of the paper tape through the guide pipe, a threaded rod is driven to rotate by a gluing motor, the threaded rod drives two moving blocks to move oppositely and reversely repeatedly, and drives two gluing brushes to paint the glue on the upper surface of the paper tape, so that the glue is uniformly painted on the upper surface of the paper tape, the bonding effect of the paper tape and the waterproof film is ensured, the waterproof performance of the packaging paper is ensured, and the thickness of the packaging paper is ensured to be uniform;
when the paper tape and the waterproof film move below the hot pressing roller, the compression roller cylinder drives the compression roller mounting frame to descend and drives the hot pressing roller to descend, the hot pressing roller extrudes the paper tape and the waterproof film, the hot pressing roller heats the paper tape and the waterproof film during extrusion to solidify glue, the paper tape and the waterproof film are bonded into a whole to obtain a waterproof paper blank, when the waterproof paper blank moves below the edge trimming mechanism, the moving motor is matched with the two belt pulleys to drive the belt to rotate, the belt drives the two movable plates to move in opposite directions or reverse directions and drives the two cutting knives to move in opposite directions or reverse directions, the distance between the two cutting knives is adjusted according to the width of the waterproof paper blank, the two cutting knives are used for respectively cutting the two sides of the waterproof paper blank, and the phenomenon that the paper tape and the waterproof film are misaligned or have different widths to cause the misalignment of the paper tape and the waterproof film in the bonding process can be avoided, The two sides are not aligned, thereby ensuring the quality of the packing paper.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view showing the construction of a wrapping paper processing apparatus according to the present invention;
FIG. 2 is a bottom view of the glue mechanism of the present invention;
FIG. 3 is a perspective view of the trimming mechanism of the present invention;
FIG. 4 is a sectional view of a partial structure of the trimming mechanism of the present invention;
fig. 5 is an assembled side view of the press roll cylinder, the heat press roll and the press roll mounting bracket of the present invention.
In the figure: 1. a housing; 2. paper placing rollers; 3. a film releasing roller; 4. a first guide roller; 5. a second guide roller; 6. a liquid storage hopper; 7. a gluing mechanism; 8. an edge trimming mechanism; 9. a belt conveyor; 10. a hot press roll; 11. a compression roller mounting rack; 12. a compression roller cylinder; 13. a wind-up roll; 14. a third guide roller; 15. a fixed mount; 16. a threaded rod; 17. a gluing motor; 18. a moving block; 19. a gluing brush; 20. supporting the transverse plate; 21. a moving motor; 22. a belt pulley; 23. a movable plate; 24. a telescopic frame; 25. a lifting cylinder; 26. a fixing plate; 27. a cutting knife; 28. erecting a rod; 29. a guide post; 30. a conduit; 31. a paper strap; 32. a water-resistant membrane.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1
As shown in fig. 1 to 5, a process for manufacturing a wrapping paper having waterproof property, which comprises a paper tape 31 and a waterproof film 32 on an upper surface of the paper tape 31;
the waterproof membrane 32 is prepared from the following raw materials in parts by weight:
25 parts of polyurethane, 12 parts of polyethylene resin, 8 parts of epoxy resin, 10 parts of montmorillonite powder, 3 parts of glass fiber, 6 parts of ethylene-vinyl acetate copolymer, 3 parts of calcium carbonate, 2 parts of nano titanium dioxide, 1 part of sodium polyethylene, 2 parts of halloysite nanotube and 1 part of toughening agent;
the process specifically comprises the following steps:
adding polyurethane and polyethylene resin into a grinder for grinding, sieving by a 200-mesh sieve, adding into a mixer, adding epoxy resin, montmorillonite powder, glass fiber, nano titanium dioxide, sodium polyethylene and halloysite nanotubes into the mixer, stirring for 15min at the rotating speed of 600r/min to obtain a first mixed material, adding an ethylene-vinyl acetate copolymer, calcium carbonate and a toughening agent into a stirrer, and stirring for 15min at the rotating speed of 800r/min to obtain a second mixed material;
step two, adding the first mixed material and the second mixed material into a reaction kettle, stirring for 20min at the temperature of 60 ℃ and at the rotating speed of 750r/min to obtain a mixture, adding the mixture into an extruder, setting the melting temperature of the extruder to be 140 ℃, and performing blow molding after extrusion through the extruder to obtain a waterproof film 32;
thirdly, adding glue into a liquid storage hopper 6 of a packaging paper processing device, respectively winding a paper tape 31 and a waterproof film 32 on a paper discharge roller 2 and a film discharge roller 3, starting unwinding of the paper discharge roller 2 and the film discharge roller 3, enabling the paper tape 31 to pass through a position between a gluing mechanism 7 and a belt conveyor 9, opening a valve on a guide pipe 30, enabling the glue in the liquid storage hopper 6 to fall on the upper surface of the paper tape 31 through the guide pipe 30, starting a gluing motor 17, enabling the gluing motor 17 to drive a threaded rod 16 to rotate, enabling the threaded rod 16 to drive two moving blocks 18 to move in opposite directions and opposite directions repeatedly, driving two brushes 19 to paint the glue on the upper surface of the paper tape 31, enabling the glue to be uniformly painted on the upper surface of the paper tape 31, starting a press roller cylinder 12 when the paper tape 31 and the waterproof film 32 move below a hot press roller 10, enabling the press roller cylinder 12 to drive a press mounting rack 11 to descend, and driving the hot press roller 10, hot press roll 10 heats paper tape 31 and water proof membrane 32 in the extruded, make glue solidify, and make paper tape 31 and water proof membrane 32 bonding as an organic whole, obtain the waterproof paper body, when the waterproof paper body moves to whole limit mechanism 8 below, start moving motor 21, two belt pulleys 22 of moving motor 21 cooperation use and drive the belt rotation, the belt drives two fly leaf 23 in opposite directions or reverse movement, and drive two cutting knife 27 in opposite directions or reverse movement, adjust two cutting knife 27's interval according to the width of waterproof paper body, cut the both sides of waterproof paper body respectively through two cutting knife 27 and through the rolling of wind-up roll 13, obtain the wrapping paper that has waterproof performance.
The toughening agent is carboxyl nitrile rubber.
The glue is epoxy resin adhesive or phenolic resin adhesive.
Example 2
As shown in fig. 1 to 5, a process for manufacturing a wrapping paper having waterproof property, which comprises a paper tape 31 and a waterproof film 32 on an upper surface of the paper tape 31;
the waterproof membrane 32 is prepared from the following raw materials in parts by weight:
30 parts of polyurethane, 15 parts of polyethylene resin, 12 parts of epoxy resin, 13 parts of montmorillonite powder, 5 parts of glass fiber, 8 parts of ethylene-vinyl acetate copolymer, 5 parts of calcium carbonate, 6 parts of nano titanium dioxide, 5 parts of sodium polyethylene, 4 parts of halloysite nanotube and 4 parts of toughening agent;
the process specifically comprises the following steps:
adding polyurethane and polyethylene resin into a grinder for grinding, sieving by a 200-mesh sieve, adding into a mixer, adding epoxy resin, montmorillonite powder, glass fiber, nano titanium dioxide, sodium polyethylene and halloysite nanotubes into the mixer, stirring at the rotating speed of 800r/min for 20min to obtain a first mixed material, adding ethylene-vinyl acetate copolymer, calcium carbonate and a toughening agent into a stirrer, and stirring at the rotating speed of 1000r/min for 30min to obtain a second mixed material;
step two, adding the first mixed material and the second mixed material into a reaction kettle, stirring for 30min at the temperature of 120 ℃ and at the rotating speed of 1200r/min to obtain a mixture, adding the mixture into an extruder, setting the melting temperature of the extruder to be 155 ℃, and performing blow molding after extrusion through the extruder to obtain a waterproof film 32;
step three, the same as example 1.
The wrapping paper processingequipment includes casing 1, casing 1 is the cuboid structure that hollow and both ends link up, the inboard of casing 1 is rotated and is installed and put paper roll 2 and guide roll 4, and casing 1 outer wall mounting is used for the drive to put paper roll 2 pivoted and puts the paper motor, the inboard fixed mounting of casing 1 has band conveyer 9, band conveyer 9 is located one side of guide roll 4, the inboard fixed mounting of casing 1 has rubber coating mechanism 7, rubber coating mechanism 7 is located band conveyer 9's top, casing 1's top fixed mounting has the stock solution fill 6, the bottom fixedly connected with pipe 30 of stock solution fill 6, install the valve on the pipe 30, pipe 30 is located the top of rubber coating mechanism 7, casing 1's inboard is rotated and is installed and is put membrane roller 3 and guide roll two 5, casing 1 outer wall mounting is used for the drive to put membrane roller 3 pivoted and puts the membrane motor, a compression roller cylinder 12 is fixedly arranged at the top of the shell 1, the bottom end of an output rod of the compression roller cylinder 12 extends to the inner side of the shell 1, and the bottom end of the output rod of the compression roller cylinder 12 is fixedly provided with a compression roller mounting rack 11, the compression roller mounting rack 11 is rotatably provided with a hot pressing roller 10, the inner side of the hot-pressing roller 10 is provided with an electric heating tube, the film placing roller 3 and the guide roller two 5 are positioned between the guide pipe 30 and the hot-pressing roller 10, one side of the hot pressing roller 10 is provided with an edge trimming mechanism 8, the edge trimming mechanism 8 is fixedly arranged at the inner side of the shell 1, one side that band conveyer 9 kept away from guide roller 4 is provided with guide roller three 14, one side of guide roller three 14 is provided with wind-up roll 13, and the installation of casing 1 outer wall is used for driving 13 pivoted coiling motor of wind-up roll, wind-up roll 13 and guide roller three 14 all rotate with casing 1 and are connected.
The gluing mechanism 7 comprises a fixing frame 15, a threaded rod 16 is rotatably mounted on the fixing frame 15, a gluing motor 17 is fixedly mounted on the fixing frame 15, the output shaft end of the gluing motor 17 is fixedly connected with one end of the threaded rod 16, threads at two ends of the threaded rod 16 are symmetrically distributed about the middle of the threaded rod 16, two moving blocks 18 are in threaded connection with the threaded rod 16, a gluing brush 19 is fixedly mounted at the bottom of each moving block 18, and a guide rod is fixedly mounted on the fixing frame 15 and is in sliding connection with the two moving blocks 18.
One side fixed mounting that supports diaphragm 20 has a slide rail, two equal fixed mounting has the slider on the fly leaf 23, fly leaf 23 passes through slider, slide rail and supports diaphragm 20 sliding connection.
The supporting transverse plate 20 is fixedly provided with a vertical rod 28, the vertical rod 28 is provided with a sliding groove, the sliding groove is vertically arranged, the middle of the telescopic frame 24 is rotatably provided with a guide post 29, and one end, far away from the telescopic frame 24, of the guide post 29 is slidably arranged in the sliding groove.
The working method of the wrapping paper processing device specifically comprises the following steps:
adding glue into a liquid storage hopper 6 of a packaging paper processing device, respectively winding a paper tape 31 and a waterproof film 32 on a paper discharge roller 2 and a film discharge roller 3, starting unwinding of the paper discharge roller 2 and the film discharge roller 3, enabling the paper tape 31 to pass between a gluing mechanism 7 and a belt conveyor 9, opening a valve on a guide pipe 30, enabling the glue in the liquid storage hopper 6 to fall on the upper surface of the paper tape 31 through the guide pipe 30, starting a gluing motor 17, enabling the gluing motor 17 to drive a threaded rod 16 to rotate, enabling the threaded rod 16 to drive two moving blocks 18 to move oppositely and reversely repeatedly, driving two gluing brushes 19 to paint the glue on the upper surface of the paper tape 31, enabling the glue to be uniformly painted on the upper surface of the paper tape 31, starting a pressure roller cylinder 12 when the paper tape 31 and the waterproof film 32 move below a hot press roller 10, enabling the pressure roller cylinder 12 to drive a pressure roller mounting rack 11 to descend and driving the hot press roller 10 to extrude the paper tape 31, hot press roll 10 heats paper tape 31 and water proof membrane 32 in the extruded, make glue solidify, and make paper tape 31 and water proof membrane 32 bonding as an organic whole, obtain the waterproof paper body, when the waterproof paper body moves to whole limit mechanism 8 below, start moving motor 21, two belt pulleys 22 of moving motor 21 cooperation use and drive the belt rotation, the belt drives two fly leaf 23 in opposite directions or reverse movement, and drive two cutting knife 27 in opposite directions or reverse movement, adjust two cutting knife 27's interval according to the width of waterproof paper body, cut the both sides of waterproof paper body respectively through two cutting knife 27 and through the rolling of wind-up roll 13, obtain the wrapping paper that has waterproof performance.
According to the invention, the montmorillonite powder is added into the raw materials for preparing the waterproof film 32, the polyurethane, the epoxy resin, the polyethylene resin, the nano titanium dioxide and the glass fiber can be tightly adsorbed together through the adsorption capacity of the montmorillonite powder, and the toughness of the waterproof film 32 is improved by adding the ethylene-vinyl acetate copolymer, the flexibilizer and the calcium carbonate into the raw materials for preparing the waterproof film 32, so that the toughness of the packaging paper is improved;
according to the invention, glue is added into a liquid storage hopper 6 of a packaging paper processing device, a paper tape 31 and a waterproof film 32 are respectively wound on a paper discharge roller 2 and a film discharge roller 3, when the paper tape 31 passes between a gluing mechanism 7 and a belt conveyor 9, a valve on a guide pipe 30 is opened, the glue in the liquid storage hopper 6 falls on the upper surface of the paper tape 31 through the guide pipe 30, a gluing motor 17 drives a threaded rod 16 to rotate, the threaded rod 16 drives two moving blocks 18 to move oppositely and reversely repeatedly, and drives two gluing brushes 19 to paint the glue on the upper surface of the paper tape 31, so that the glue is uniformly painted on the upper surface of the paper tape 31, the bonding effect of the paper tape 31 and the waterproof film 32 is ensured, the waterproof performance of the packaging paper is ensured, and the thickness of the packaging paper is ensured to be uniform;
according to the invention, when the paper tape 31 and the waterproof film 32 move below the hot press roller 10, the press roller mounting frame 11 is driven to descend by the press roller cylinder 12, the hot press roller 10 is driven to extrude the paper tape 31 and the waterproof film 32, the hot press roller 10 heats the paper tape 31 and the waterproof film 32 at the same time of extrusion, so that glue is solidified, the paper tape 31 and the waterproof film 32 are bonded into a whole to obtain a waterproof paper blank, when the waterproof paper blank moves below the edge trimming mechanism 8, the moving motor 21 is matched with the two belt pulleys 22 to drive the belt to rotate, the belt drives the two movable plates 23 to move oppositely or reversely, and drives the two cutting knives 27 to move oppositely or reversely, the distance between the two cutting knives 27 is adjusted according to the width of the waterproof paper blank, the two sides of the waterproof paper blank are respectively cut by the two cutting knives 27, and the situation that the paper tape 31 and the waterproof film 32 are dislocated or have different widths to cause the paper tape 31 and the waterproof film 32 to generate the The misalignment and the misalignment of two sides ensure the quality of the packing paper.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A process for producing a wrapping paper having waterproof property, characterized in that the wrapping paper comprises a paper tape (31) and a waterproof film (32) provided on an upper surface of the paper tape (31);
the waterproof membrane (32) is prepared from the following raw materials in parts by weight:
25-30 parts of polyurethane, 12-15 parts of polyethylene resin, 8-12 parts of epoxy resin, 10-13 parts of montmorillonite powder, 3-5 parts of glass fiber, 6-8 parts of ethylene-vinyl acetate copolymer, 3-5 parts of calcium carbonate, 2-6 parts of nano titanium dioxide, 1-5 parts of sodium polyethylene, 2-4 parts of halloysite nanotube and 1-4 parts of toughening agent;
the process specifically comprises the following steps:
step one, adding polyurethane and polyethylene resin into a pulverizer for pulverizing, sieving with a 200-mesh sieve, adding into a mixer, adding epoxy resin, montmorillonite powder, glass fiber, nano titanium dioxide, sodium polyethylene and halloysite nanotubes into the mixer, stirring for 15-20min at the rotation speed of 800r/min plus 600-;
step two, adding the first material mixing and the second material mixing into a reaction kettle, stirring for 20-30min at the temperature of 60-120 ℃ and the rotating speed of 750-155 r/min to obtain a mixture, adding the mixture into an extruder, setting the melting temperature of the extruder to 140-155 ℃, and performing extrusion through the extruder and blow molding to obtain a waterproof film (32);
thirdly, adding glue into a liquid storage hopper (6) of a packaging paper processing device, respectively winding a paper tape (31) and a waterproof film (32) on a paper discharge roller (2) and a film discharge roller (3), starting the paper discharge roller (2) and the film discharge roller (3) to discharge, enabling the paper tape (31) to pass through a position between a gluing mechanism (7) and a belt conveyor (9), opening a valve on a guide pipe (30), enabling the glue in the liquid storage hopper (6) to fall on the upper surface of the paper tape (31) through the guide pipe (30), starting a gluing motor (17), enabling the gluing motor (17) to drive a threaded rod (16) to rotate, enabling the threaded rod (16) to drive two moving blocks (18) to repeatedly move in opposite directions and opposite directions, and driving two gluing brushes (19) to paint the glue on the upper surface of the paper tape (31) so that the glue is uniformly painted on the upper surface of the paper tape (31), and enabling the paper tape (31) and the waterproof film (32) to move below a hot pressing roller (10), starting a compression roller cylinder (12), wherein the compression roller cylinder (12) drives a compression roller mounting frame (11) to descend and drives a hot pressing roller (10) to descend, the hot pressing roller (10) extrudes a paper tape (31) and a waterproof film (32), the hot pressing roller (10) heats the paper tape (31) and the waterproof film (32) while extruding, glue is solidified, the paper tape (31) and the waterproof film (32) are bonded into a whole to obtain a waterproof paper blank, when the waterproof paper blank moves below a trimming mechanism (8), a moving motor (21) is started, the moving motor (21) is matched with two belt pulleys (22) to drive a belt to rotate, the belt drives two movable plates (23) to move in opposite directions or opposite directions and drives two cutting knives (27) to move in opposite directions or opposite directions, the distance between the two cutting knives (27) is adjusted according to the width of the waterproof paper blank, two sides of the waterproof paper blank are respectively cut by the two cutting knives (27) and are wound by a winding roller (13), the wrapping paper with waterproof performance is obtained.
2. A process for manufacturing a wrapping paper with water-proof property as claimed in claim 1, wherein said toughening agent is carboxylated nitrile rubber.
3. A process for manufacturing a packing paper with water-proof property as claimed in claim 1, wherein said glue is epoxy resin adhesive or phenolic resin adhesive.
4. The processing technology of the packaging paper with the waterproof performance, according to claim 1, is characterized in that the packaging paper processing device comprises a shell (1), the shell (1) is a hollow cuboid structure with two through ends, a paper discharge roller (2) and a first guide roller (4) are installed on the inner side of the shell (1) in a rotating mode, a belt conveyor (9) is fixedly installed on the inner side of the shell (1), the belt conveyor (9) is located on one side of the first guide roller (4), a glue coating mechanism (7) is fixedly installed on the inner side of the shell (1), the glue coating mechanism (7) is located above the belt conveyor (9), a liquid storage hopper (6) is fixedly installed on the top of the shell (1), a guide pipe (30) is fixedly connected to the bottom of the liquid storage hopper (6), a valve is installed on the guide pipe (30), the guide pipe (30) is located above the glue coating mechanism (7), the inboard of casing (1) is rotated and is installed and put membrane roller (3) and guide roll two (5), the top fixed mounting of casing (1) has compression roller cylinder (12), the output pole bottom of compression roller cylinder (12) extends to the inboard of casing (1), just the output pole bottom fixed mounting of compression roller cylinder (12) has compression roller mounting bracket (11), rotate on compression roller mounting bracket (11) and install hot pressing roller (10), the electrothermal tube is installed to the inboard of hot pressing roller (10), it is located between pipe (30) and hot pressing roller (10) to put membrane roller (3) and guide roll two (5), one side of hot pressing roller (10) is provided with whole limit mechanism (8), whole limit mechanism (8) fixed mounting is in the inboard of casing (1), belt conveyor (9) keep away from one side of guide roll (4) and are provided with guide roll three (14), and a winding roller (13) is arranged on one side of the third guide roller (14), and the winding roller (13) and the third guide roller (14) are rotatably connected with the shell (1).
5. The processing technology of the packaging paper with the waterproof performance, according to claim 4, is characterized in that the gluing mechanism (7) comprises a fixed frame (15), a threaded rod (16) is rotatably mounted on the fixed frame (15), a gluing motor (17) is fixedly mounted on the fixed frame (15), an output shaft end of the gluing motor (17) is fixedly connected with one end of the threaded rod (16), threads at two ends of the threaded rod (16) are symmetrically distributed about the middle of the threaded rod (16), two moving blocks (18) are in threaded connection with the threaded rod (16), gluing brushes (19) are fixedly mounted at the bottoms of the two moving blocks (18), a guide rod is fixedly mounted on the fixed frame (15), and the guide rod is in sliding connection with the two moving blocks (18).
6. The processing technology of the packing paper with the waterproof performance, according to claim 4, characterized in that the trimming mechanism (8) comprises a supporting transverse plate (20), one side of the supporting transverse plate (20) is rotatably provided with two belt pulleys (22), the two belt pulleys (22) are connected through a belt, the other side of the supporting transverse plate (20) is fixedly provided with a moving motor (21), the output shaft end of the moving motor (21) is fixedly connected with one of the belt pulleys (22), one side of the supporting transverse plate (20) is movably provided with two movable plates (23), the two movable plates (23) are respectively hinged with two ends of a telescopic frame (24), the two movable plates (23) are respectively fixedly connected with the upper side and the lower side of the belt, the two movable plates (23) are both fixedly provided with a lifting cylinder (25), the bottom end of an output rod of the lifting cylinder (25) is fixedly provided with a fixing plate (26), and a cutting knife (27) is fixedly arranged on the fixing plate (26).
7. The processing technology of the wrapping paper with the waterproof performance as claimed in claim 6, wherein a sliding rail is fixedly installed on one side of the supporting transverse plate (20), a sliding block is fixedly installed on each of the two movable plates (23), and the movable plates (23) are slidably connected with the supporting transverse plate (20) through the sliding blocks and the sliding rail.
8. The processing technology of the waterproof packing paper as claimed in claim 6, wherein a vertical rod (28) is fixedly mounted on the supporting transverse plate (20), a vertically arranged chute is formed in the vertical rod (28), a guide column (29) is rotatably mounted in the middle of the telescopic frame (24), and one end, far away from the telescopic frame (24), of the guide column (29) is slidably mounted in the chute.
9. A processing technology of a wrapping paper with water-proof performance as claimed in claim 4, wherein the working method of the wrapping paper processing device comprises the following steps:
adding glue into a liquid storage hopper (6) of a packaging paper processing device, respectively winding a paper tape (31) and a waterproof film (32) on a paper discharge roller (2) and a film discharge roller (3), starting the paper discharge roller (2) and the film discharge roller (3) to discharge, enabling the paper tape (31) to pass through a gluing mechanism (7) and a belt conveyor (9), opening a valve on a guide pipe (30), enabling the glue in the liquid storage hopper (6) to fall on the upper surface of the paper tape (31) through the guide pipe (30), starting a gluing motor (17), enabling the gluing motor (17) to drive a threaded rod (16) to rotate, enabling the threaded rod (16) to drive two moving blocks (18) to repeatedly do opposite movement and opposite movement, and driving two gluing brushes (19) to paint the glue on the upper surface of the paper tape (31) so that the glue is uniformly painted on the upper surface of the paper tape (31), and enabling the paper tape (31) and the waterproof film (32) to move below a hot pressing roller (10), starting a compression roller cylinder (12), wherein the compression roller cylinder (12) drives a compression roller mounting frame (11) to descend and drives a hot pressing roller (10) to descend, the hot pressing roller (10) extrudes a paper tape (31) and a waterproof film (32), the hot pressing roller (10) heats the paper tape (31) and the waterproof film (32) while extruding, glue is solidified, the paper tape (31) and the waterproof film (32) are bonded into a whole to obtain a waterproof paper blank, when the waterproof paper blank moves below a trimming mechanism (8), a moving motor (21) is started, the moving motor (21) is matched with two belt pulleys (22) to drive a belt to rotate, the belt drives two movable plates (23) to move in opposite directions or opposite directions and drives two cutting knives (27) to move in opposite directions or opposite directions, the distance between the two cutting knives (27) is adjusted according to the width of the waterproof paper blank, two sides of the waterproof paper blank are respectively cut by the two cutting knives (27) and are wound by a winding roller (13), the wrapping paper with waterproof performance is obtained.
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