CN110409222B - Method for coating film on surface of coated paper - Google Patents
Method for coating film on surface of coated paper Download PDFInfo
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- CN110409222B CN110409222B CN201910696371.0A CN201910696371A CN110409222B CN 110409222 B CN110409222 B CN 110409222B CN 201910696371 A CN201910696371 A CN 201910696371A CN 110409222 B CN110409222 B CN 110409222B
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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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
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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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/78—Controlling or regulating not limited to any particular process or apparatus
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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
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
- D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
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Abstract
The invention belongs to the technical field of coated paper processing, and particularly relates to a coated paper surface film coating method; the first rotating cylinder is arranged in the film covering box through a supporting rod, the first rotating cylinder is rotatably connected with the supporting rod through a rotating shaft, and the end part of the rotating shaft is connected with a rotating fluted disc; a first extrusion block is arranged on the first rotating cylinder; a second extrusion block is arranged on the second rotating cylinder; the fixed plate is arranged in the film laminating box, and a first elastic extrusion barrel and a second elastic extrusion barrel are arranged on the fixed plate; a filter screen plate is arranged in the first extrusion cylinder; a plurality of liquid spraying holes are uniformly formed in the bottom end wall of the first extrusion cylinder, and liquid spraying nozzles are connected to the liquid spraying holes; the lifting rod is arranged on the top wall of the film laminating box, and the telescopic end of the lifting rod is rotatably provided with a rotating wheel disc through a rotating column; the coated paper is prevented from reaching the standard coating thickness during coating, and the coating efficiency of the coated paper is further reduced; and simultaneously, the film coating quality of the coated paper is reduced.
Description
Technical Field
The invention belongs to the technical field of coated paper processing, and particularly relates to a coated paper surface film coating method.
Background
The printing paper is high-grade printing paper made by coating white paint on base paper. It is mainly used for printing the cover and illustration of high-grade books and periodicals, colour picture, various exquisite commercial advertisement, sample, commercial package and trade mark, etc. The coated paper is developed along with the screen printing, because the unevenness degree of the surface formed by uncoated paper fibers is much larger than the diameters of the dots, certain dots are just in the gaps among the fibers and cannot transfer ink to the paper, so that image pixels cannot reproduce in the position.
The earliest laminating technology, also known as laminating, is a processing technology for coating an adhesive on a plastic film, and then bonding the plastic film and a paper printed matter together after heating and pressurizing to form a paper-plastic product.
The film coating method is easy to cause the coated paper to have the film coating form of glue, such as precoating solvent type glue such as water glue, hot melt glue and the like on the film for hot pressing; however, the glue coating film has the defects of thick film thickness, high cost, no rubbing and easy foaming due to the use of glue;
the existing coated paper laminating method is characterized in that pasty polyvinyl chloride resin liquid is smeared on the surface of coated paper, and then the coated paper is laminated, the thickness of the coated paper is difficult to control, so that the coated paper is easy to be non-uniform in laminating, and high-quality production of the coated paper is difficult to realize.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a coated paper surface coating method which is mainly used for solving the problems that the conventional coated paper coating method is to coat pasty polyvinyl chloride resin liquid on the surface of the coated paper and further coat the coated paper, the coated paper thickness is difficult to control by the coating method, the coated paper is easy to coat unevenly, and the coated paper is difficult to realize high-quality production.
The technical scheme adopted by the invention for solving the technical problem is as follows: the invention relates to a coated paper surface coating method, which comprises the following steps:
s1: sleeving the coated paper to be treated at the unwinding wheel position, and drawing the end part of the coated paper in a film covering box through a drawing wheel;
s2: pouring the pasty polyvinyl chloride resin liquid into a liquid storage box, filtering the pasty polyvinyl chloride resin in the liquid storage box through a liquid spraying treatment device, and spraying the filtered polyvinyl chloride resin liquid onto the copper-clad paperboard through the liquid spraying treatment device;
s3: conveying the coated paper with the coated surface to the lower part of an air drying device through a traction wheel, and further performing air drying operation through the air drying device;
s4: conveying the air-dried coated paper to a reeling drum position through a traction wheel, and then reeling the coated paper by the reeling drum;
the liquid spraying treatment device used in the S2 comprises a first rotating cylinder, a second rotating cylinder, a rotating fluted disc, a fixing plate, a first elastic extrusion cylinder, a second elastic extrusion cylinder, a filter screen plate, a liquid spraying nozzle and a lifting rod; the first rotating cylinder is arranged in the film covering box through a supporting rod, the first rotating cylinder is rotatably connected with the supporting rod through a rotating shaft, and the end part of the rotating shaft is connected with a rotating fluted disc; the second rotating cylinder and the first rotating cylinder are installed in the same mode; a first extrusion block is arranged on the first rotating cylinder; a second extrusion block is arranged on the second rotating cylinder, and the width of the second extrusion block is greater than that of the first extrusion block; the fixed plate is arranged in the film laminating box, and a first elastic extrusion barrel and a second elastic extrusion barrel are arranged on the fixed plate; the diameter of the first elastic extrusion barrel is larger than that of the second elastic extrusion barrel, and the first elastic extrusion barrel and the second elastic extrusion barrel are communicated with the liquid storage box through the flow guide pipe; the first elastic extrusion cylinder is positioned right below the first rotating cylinder, and a filter screen plate is arranged in the first elastic extrusion cylinder; a plurality of liquid spraying holes are uniformly formed in the bottom end wall of the first elastic extrusion cylinder, and liquid spraying nozzles are connected to the liquid spraying holes; the second elastic extrusion container has the same structure as the first elastic extrusion container; the lifting rod is arranged on the top wall of the film coating box, the telescopic end of the lifting rod is rotatably provided with a rotating wheel disc through a rotating column, the rotating wheel disc is positioned between the first rotating cylinder and the second rotating cylinder, and the rotating wheel disc is rotatably meshed with the rotating wheel disc; an infrared detector is arranged on the inner wall of the bottom end of the fixing plate and is positioned between the first elastic extrusion container and the second elastic extrusion container; when the device works, the art paper with a film is placed on the winding drum, the end part of the art paper penetrates into the film covering box, the pasty polyvinyl chloride resin liquid is added into the liquid storage box, the pasty polyvinyl chloride resin liquid is conveyed into the first elastic extrusion cylinder and the second elastic extrusion cylinder through the infusion pump, the driving motor arranged on the outer wall of the film covering box is started through the control terminal, the driving motor drives the first rotating cylinder to rotate through the rotating shaft, the rotating first rotating cylinder drives the first extrusion block to be extruded on the outer wall of the first elastic extrusion cylinder, and the pasty polyvinyl chloride resin liquid in the first elastic extrusion cylinder is sprayed onto the surface of the art paper through the liquid spraying nozzle, so that the film covering operation is carried out on the art paper, the infrared detector can detect the thickness of coated art paper in real time, if the infrared detector detects that the thickness of the coated art paper does not reach a standard value, the control terminal controls the contraction end of the lifting rod to rise, so that the rotating wheel disc is meshed with the rotating fluted discs on two sides, the rotating fluted disc meshed with the rotating wheel disc drives the second rotating cylinder to rotate, the second extrusion block is further used for extruding the outer wall of the second elastic extrusion cylinder, pasty polyvinyl chloride resin liquid filled in the second elastic extrusion cylinder is sprayed out through the liquid spraying nozzle, so that the coated art paper is subjected to secondary coating, the condition that the coated art paper does not reach the standard coating thickness during coating is prevented, and the coating efficiency of the coated art paper is reduced; and simultaneously, the film coating quality of the coated paper is reduced.
Preferably, the filter screen plate comprises an arc screen plate and a horizontal screen plate, and the arc screen plate and the horizontal screen plate are both arranged in an elastic corrugated structure; a filter cavity is formed in the arc-shaped screen plate, and the upper end face of the arc-shaped screen plate is provided with filter meshes; an extrusion spring is obliquely arranged on the bottom end wall of the arc-shaped screen plate, and the end part of the extrusion spring is arranged on the inner wall of the elastic extrusion cylinder; when the device works, after the first elastic extrusion cylinder is extruded by the first extrusion block, the arranged arc-shaped screen plate can be filtered onto the horizontal screen plate through the arc-shaped screen plate under the extrusion force action of the pasty polyvinyl chloride resin liquid filled in the first elastic extrusion cylinder, and then the arranged arc-shaped screen plate can increase the filtering effect on the pasty polyvinyl chloride resin liquid under the extrusion matching of the first elastic extrusion cylinder, so that the purification effect of the pasty polyvinyl chloride resin liquid is further increased; meanwhile, filtered impurities can enter the filter cavity through the meshes, and the filter cavity can collect particles or adhesive substances generated by the filtered pasty polyvinyl chloride resin liquid; when the arc otter board was extruded, the extrusion spring of setting not only can play the effect of support to the arc otter board, and the restoring force of extrusion spring simultaneously can make the arc otter board produce the vibration, and then increases the filter effect of arc otter board.
Preferably, an arc-shaped liquid accumulation cavity is formed in the inner wall of the upper end of the first elastic extrusion cylinder, and a plurality of liquid guide holes are formed in the bottom end wall of the arc-shaped liquid accumulation cavity; liquid guide grooves are formed in the side walls of the two bottom ends of the arc-shaped extrusion cavity and are communicated with the flow guide pipes; the second elastic extrusion container has the same structure as the first elastic extrusion container; during operation, pasty polyvinyl chloride resin liquid in the liquid storage box can enter into arc extrusion intracavity through the honeycomb duct, and arc hydrops intracavity liquid can be through the blowout of drain hole, and then through the cooperation of the arc hydrops chamber that sets up and arc otter board, can make liquid fall into the arc otter board through the mode that sprays in, and then increase the filter effect of arc otter board.
Preferably, the two side walls of the first elastic extrusion cylinder are provided with collecting cavities, and the collecting cavities are positioned at the end parts of the filtering cavities; a sealed oscillating plate is hinged in the collection cavity through a hinge column, a sealing ball is arranged on the side wall of the upper end of the sealed oscillating plate, and the sealing ball is arranged at the end part of the filter cavity in a sealing manner; the bottom end of the sealed swinging plate is connected with an elastic stretching column, and the end part of the elastic stretching column is connected with the top end part of the extrusion spring; when the device works, when the arc-shaped screen plate is extruded, the extruding spring obliquely arranged at the bottom end of the arc-shaped screen plate generates a horizontal stretching state, and then the elastic stretching column is driven to stretch, the stretched elastic stretching column can pull the sealed swinging plate to swing, so that the sealing ball is separated from the filtering cavity, and then particles or bonding substances of the collected pasty polyvinyl chloride resin liquid in the filtering cavity enter the collecting cavity, and then the particles or bonding substances collected in the arc-shaped screen plate are filtered, so that the excessive particles or bonding substances filtered in the arc-shaped screen plate are prevented, and the filtering effect of the arc-shaped screen plate is further influenced; simultaneously when the arc otter board resumes, the resilience of extrusion spring can stimulate the tensile post of elasticity shrink, and then drives the sealed ball that sets up on the sealed swing board and seal in the filter chamber, and then seals the operation to the filter chamber.
Preferably, the air drying device comprises an arc-shaped swing plate, a hinge rod, a sliding extension pipe and a sliding seat; the arc-shaped swinging plate is hinged to the fixed plate through a hinge rod, and the side wall of the top end of the arc-shaped swinging plate is in rotating extrusion contact with the second extrusion block; the side wall of the bottom end of the arc-shaped swing plate is hinged with a sliding telescopic pipe through a hinge rod, and the bottom end wall of the sliding telescopic pipe is provided with an air blowing hole; the sliding seat is installed on the inner wall of the film covering box, a sliding telescopic pipe is connected in the sliding seat in a sliding mode through an extension spring, and the end portion of the sliding telescopic pipe is communicated with the inner cavity of the sliding seat; the sliding seat is communicated with the outer wall of the film covering box through a one-way valve; the during operation, when the second extrusion piece rotates, the arc swinging board that can promote produces the swing in the tectorial membrane incasement, the swinging board can drive articulated slip telescopic link and slide in the sliding seat simultaneously, and then make the slip telescopic link produce in the sliding seat and bleed, break away from the extrusion back with the arc swinging board when the second extrusion piece, extension spring's restoring force can make the gas in the sliding seat enter into the slip telescopic link in, and then blow off through the gas blow hole, the gas that the gas blow off can air-dry the operation to tectorial membrane back coated paper in the tectorial membrane case, and then accelerate coated paper's tectorial membrane efficiency.
Preferably, an extrusion cavity is formed in the second extrusion block, a friction ball is placed in the extrusion cavity, and the extrusion cavity is communicated into the rotating shaft through an air guide groove; the first extrusion block and the second extrusion block have the same structure; an air guide cavity is formed in the arc-shaped swinging plate and is communicated with the rotating shaft through an air guide hose, and an air injection hole is formed in the bottom end of the arc-shaped swinging plate; when the film laminating coated paper extruding machine works, when the second extruding block extrudes the second elastic extruding cylinder, the arranged friction balls generate friction mutually, so that certain heat is generated in the extruding cavity, hot gas in the extruding cavity enters the gas guide cavity through the gas guide groove and is sprayed onto the film laminating coated paper through the gas spraying holes, and the air drying effect of the film laminating coated paper is further improved; the friction ball that sets up simultaneously can increase the intensity of second extrusion piece and first extrusion piece, prevents that first extrusion piece and second extrusion piece from producing the phenomenon of warping under the effect of extrusion force.
The invention has the following beneficial effects:
1. according to the invention, the thickness of coated art paper can be detected in real time through the arranged infrared detector, and if the thickness of coated art paper detected by the infrared detector does not reach a standard value, pasty polyvinyl chloride resin liquid filled in the second elastic extrusion cylinder is sprayed out through the liquid spraying nozzle, so that the coated art paper is subjected to supplementary coating, the coated art paper is prevented from not reaching the standard coating thickness during coating, and the coating efficiency of the coated art paper is further reduced; and simultaneously, the film coating quality of the coated paper is reduced.
2. According to the invention, through the air drying device, through the matching of the second extrusion block and the arc-shaped swing plate, after the second extrusion block is separated from the extrusion of the arc-shaped swing plate, the restoring force of the extension spring can enable the gas in the sliding seat to enter the sliding telescopic rod and then be blown out through the air blowing holes, and the gas blown out from the air blowing holes can carry out air drying operation on coated art paper in the coating box, so that the coating efficiency of the art paper is accelerated.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a perspective view of a first elastomeric container of the present invention;
FIG. 4 is a front view of a first elastomeric container of the present invention;
in the figure: the device comprises a film coating box 1, an unreeling wheel 2, a liquid storage box 3, a liquid spray treatment device 4, a first rotating barrel 41, a first extrusion block 411, a second rotating barrel 42, a second extrusion block 421, an extrusion cavity 422, a rotating fluted disc 43, a fixing plate 44, a first elastic extrusion barrel 45, a liquid spray hole 451, an arc-shaped liquid deposition cavity 452, a collection cavity 453, a second elastic extrusion barrel 46, a filter screen plate 47, an arc-shaped screen plate 471, a filter cavity 472, a horizontal screen plate 473, a liquid spray nozzle 48, a lifting rod 49, a rotating wheel disc 5, an air drying device 6, an arc-shaped swinging plate 61, a hinge rod 62, a sliding stretching pipe 63, an air blowing hole, a sliding seat 64, an air guide hose 65, a reeling barrel 7, an extrusion spring 631, a sealing swinging plate 9, a sealing ball 91 and an elastic stretching column 92.
Detailed Description
A method for coating a surface of coated paper according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.
As shown in fig. 1, fig. 2 and fig. 3, the method for coating a surface of coated paper according to the present invention comprises the steps of:
s1: sleeving the coated paper to be treated at the unwinding wheel 2, and drawing the end part of the coated paper in the film covering box 1 through a drawing wheel;
s2: pouring the pasty polyvinyl chloride resin liquid into a liquid storage box 3, filtering the pasty polyvinyl chloride resin in the liquid storage box 3 through a liquid spraying treatment device 4, and spraying the filtered polyvinyl chloride resin liquid onto the copper-clad paperboard through the liquid spraying treatment device 4;
s3: conveying the coated paper with the coated surface to the lower part of an air drying device 6 through a traction wheel, and further performing air drying operation through the air drying device 6;
s4: conveying the coated paper subjected to air drying to the position of a winding drum 7 through a traction wheel, and then winding the coated paper by the winding drum 7;
the liquid spraying processing device 4 used in S2 includes a first rotating cylinder 41, a second rotating cylinder 42, a rotating fluted disc 43, a fixing plate 44, a first elastic extrusion cylinder 45, a second elastic extrusion cylinder 46, a filter screen plate 47, a liquid spraying nozzle 48 and a lifting rod 49; the first rotating cylinder 41 is arranged inside the film coating box 1 through a support rod, the first rotating cylinder 41 is rotatably connected with the support rod through a rotating shaft, and the end part of the rotating shaft is connected with a rotating fluted disc 43; the second rotary cylinder 42 is mounted in the same manner as the first rotary cylinder 41; a first extrusion block 411 is arranged on the first rotating cylinder 41; a second extrusion block 421 is arranged on the second rotating cylinder 42, and the width of the second extrusion block 421 is greater than that of the first extrusion block 411; the fixed plate 44 is arranged in the film coating box 1, and the fixed plate 44 is provided with a first elastic extrusion cylinder 45 and a second elastic extrusion cylinder 46; the diameter of the first elastic extrusion container 45 is larger than that of the second elastic extrusion container 46, and the first elastic extrusion container 45 and the second elastic extrusion container 46 are communicated with the liquid storage box 3 through the flow guide pipe; the first elastic extrusion cylinder 45 is positioned right below the first rotating cylinder 41, and a filter screen plate 47 is arranged in the first elastic extrusion cylinder 45; a plurality of liquid spraying holes 451 are uniformly formed in the bottom end wall of the first elastic extrusion cylinder 45, and liquid spraying nozzles 48 are connected to the liquid spraying holes 451; the second elastic extrusion cylinder 46 has the same structure as the first elastic extrusion cylinder 45; the lifting rod 49 is arranged on the top wall of the film coating box 1, the telescopic end of the lifting rod 49 is rotatably provided with the rotating wheel disc 5 through the rotating column, the rotating wheel disc 5 is positioned between the first rotating cylinder 41 and the second rotating cylinder 42, and the rotating wheel disc 5 is rotatably meshed with the rotating gear disc 43; an infrared detector is arranged on the inner wall of the bottom end of the fixing plate 44 and is positioned between the first elastic extrusion container 45 and the second elastic extrusion container 46; during operation, the coated paper with the coating film is placed on the unwinding roll, the end of the coated paper penetrates into the coating film box 1, pasty polyvinyl chloride resin liquid is added into the liquid storage box 3, the pasty polyvinyl chloride resin liquid is conveyed into the first elastic extrusion cylinder 45 and the second elastic extrusion cylinder 46 through the liquid conveying pump, the driving motor arranged on the outer wall of the coating film box 1 is started through the control terminal, the driving motor drives the first rotating cylinder 41 to rotate through the rotating shaft, the rotating first rotating cylinder 41 drives the first extrusion block 411 to extrude the outer wall of the first elastic extrusion cylinder 45, the pasty polyvinyl chloride resin liquid in the first elastic extrusion cylinder 45 is sprayed onto the surface of the coated paper through the liquid spraying nozzle 48, coating operation is further performed on the coated paper, meanwhile, the infrared detector can detect the thickness of the coated paper in real time, if the thickness of the coated paper does not reach a standard value, the shrinkage end of the control lifting rod 49 is controlled through the control terminal, the rotating wheel disc 5 is meshed with the rotating fluted disc 43, the thickness of the coated paper is further prevented from being sprayed out through the rotating second elastic extrusion cylinder 46, and the rotating coated paper is prevented from being sprayed out when the rotating coated by the rotating second elastic extrusion cylinder 46, and the rotating coated paper is not sprayed out through the rotating fluted disc 43, the rotating coated paper, and the rotating extrusion efficiency of the coated paper is prevented from being reduced; and simultaneously, the film coating quality of the coated paper is reduced.
As shown in fig. 2 and 3, the filter screen plate 47 comprises an arc screen plate 471 and a horizontal screen plate 473, and both the arc screen plate 471 and the horizontal screen plate 473 are arranged in an elastic corrugated structure; a filter cavity 472 is formed in the arc-shaped screen 471, and the upper end surface of the arc-shaped screen 471 is provided with filter meshes; an extrusion spring 8 is obliquely arranged on the bottom end wall of the arc-shaped net plate 471, and the end part of the extrusion spring 8 is arranged on the inner wall of the elastic extrusion cylinder; when the device works, after the first elastic extrusion cylinder 45 is extruded by the first extrusion block 411, the arranged arc-shaped screen plate 471 can be filtered onto the horizontal screen plate 473 through the arc-shaped screen plate 471 under the extrusion force action of the pasty polyvinyl chloride resin liquid filled in the first elastic extrusion cylinder 45, and then the arranged arc-shaped screen plate 471 can increase the filtering effect on the pasty polyvinyl chloride resin liquid under the extrusion matching of the first elastic extrusion cylinder 45, so that the purifying effect of the pasty polyvinyl chloride resin liquid is further increased; meanwhile, filtered impurities can enter the filter cavity 472 through the meshes, and the filter cavity 472 can collect the filtered impurities; when arc otter board 471 was extruded, the effect that the extrusion spring 8 that sets up not only can play the support to arc otter board 471, and extrusion spring 8's restoring force can make arc otter board 471 produce the vibration simultaneously, and then increases the filter effect of arc otter board 471.
As shown in fig. 2 and fig. 3, an arc-shaped hydrops chamber 452 is formed on an inner wall of an upper end of the first elastic extrusion cylinder 45, and a plurality of liquid guide holes are formed on a bottom end wall of the arc-shaped hydrops chamber 452; liquid guide grooves are formed in the side walls of the two bottom ends of the arc-shaped extrusion cavity 452 and are communicated with the flow guide pipes; the second elastic extrusion container 46 has the same structure as the first elastic extrusion container 45; during operation, the pasty polyvinyl chloride resin liquid in the stock solution box 3 can enter into arc extrusion chamber 452 through the honeycomb duct, and liquid can pass through the drain hole blowout in the arc hydrops chamber 452, and then the cooperation through the arc hydrops chamber 452 that set up and arc otter board 471, can make liquid fall into arc otter board 471 through the mode that sprays in, and then increase arc otter board 471's filter effect.
As shown in fig. 2 and 3, two side walls of the first elastic extrusion cylinder 45 are provided with a collection cavity 453, and the collection cavity 453 is located at the end of the filtration cavity 472; a sealing swing plate 9 is hinged in the collection cavity 453 through a hinge column, a sealing ball 91 is arranged on the side wall of the upper end of the sealing swing plate 9, and the sealing ball 91 is arranged at the end part of the filter cavity 472 in a sealing manner; the bottom end of the sealing swing plate 9 is connected with an elastic stretching column 92, and the end part of the elastic stretching column 92 is connected with the top end part of the extrusion spring 8; during operation, when the arc-shaped net plate 471 is extruded, the extrusion spring 8 obliquely arranged at the bottom end of the arc-shaped net plate 471 generates a horizontal stretching state, and then the elastic stretching column 92 can be driven to stretch, the stretched elastic stretching column 92 can pull the sealing swinging plate 9 to swing, so that the sealing ball 91 is separated from the filter chamber 472, and further impurities of the collected pasty polyvinyl chloride resin liquid in the filter chamber 472 enter the collection chamber 453, so that the impurities collected in the arc-shaped net plate 471 are filtered, and the filtering effect of the arc-shaped net plate 471 is prevented from being influenced due to excessive impurities filtered in the arc-shaped net plate 471; meanwhile, when the arc net plate 471 is restored, the restoring force of the extrusion spring 8 can pull the elastic stretching column 92 to contract, so as to drive the sealing ball 91 arranged on the sealing swing plate 9 to be sealed in the filter chamber 472, and further seal the filter chamber 472.
As shown in fig. 1, the seasoning apparatus 6 includes an arc-shaped swing plate 61, a hinge rod 62, a sliding extension tube 63, and a sliding seat 64; the arc-shaped swinging plate 61 is hinged on the fixed plate 44 through a hinge rod 62, and the top end side wall of the arc-shaped swinging plate 61 is in rotating and pressing contact with the second pressing block 421; the side wall of the bottom end of the arc-shaped swinging plate 61 is hinged with a sliding telescopic pipe through a hinge rod 62, and the bottom end wall of the sliding telescopic pipe is provided with an air blowing hole 631; the sliding seat 64 is arranged on the inner wall of the film covering box 1, a sliding telescopic pipe is connected in the sliding seat 64 in a sliding manner through an extension spring, and the end part of the sliding telescopic pipe is communicated with the inner cavity of the sliding seat 64; the sliding seat 64 is communicated with the outer wall of the film covering box 1 through a one-way valve; the during operation, when second extrusion piece 421 rotates, the arc swing board 61 that can promote produces the swing in tectorial membrane case 1, the swing board can drive articulated slip telescopic link and slide in sliding seat 64 simultaneously, and then make the slip telescopic link produce in sliding seat 64 and bleed, break away from the extrusion back with arc swing board 61 when second extrusion piece 421, extension spring's restoring force can make the gas in the sliding seat 64 enter into the slip telescopic link in, and then blow out through gas hole 631, the gas that gas hole 631 blew out can air-dry the operation to tectorial membrane back copper plate paper in tectorial membrane case 1, and then accelerate the tectorial membrane efficiency of copper plate paper.
As shown in fig. 1, a squeezing cavity 422 is formed inside the second squeezing block 421, a friction ball is placed in the squeezing cavity 422, and the squeezing cavity 422 is communicated with the inside of the rotating shaft through an air guide groove; the first extrusion block 411 and the second extrusion block 421 have the same structure; an air guide cavity is formed in the arc-shaped swinging plate 61 and is communicated with the rotating shaft through an air guide hose 65, and an air injection hole is formed in the bottom end of the arc-shaped swinging plate 61; when the film laminating coated paper extruding machine works, when the second extruding block 421 extrudes the second elastic extruding cylinder 46, the arranged friction balls generate friction mutually, so that certain heat is generated in the extruding cavity 422, hot gas in the extruding cavity 422 enters the gas guide cavity through the gas guide groove and is sprayed onto the film laminating coated paper through the gas spraying holes, and the air drying effect of the film laminating coated paper is improved; the friction ball that sets up simultaneously can increase the intensity of second extrusion piece 421 and first extrusion piece 411, prevents that first extrusion piece 411 and second extrusion piece 421 from producing the phenomenon of warping under the effect of the pressure.
The specific working process is as follows:
during operation, coated paper with a coated film is placed on the unwinding roll, the end of the coated paper penetrates into the coated film box 1, pasty polyvinyl chloride resin liquid is added into the liquid storage box 3, the pasty polyvinyl chloride resin liquid is conveyed into the first elastic extrusion cylinder 45 and the second elastic extrusion cylinder 46 through the liquid conveying pump, a driving motor arranged on the outer wall of the coated film box 1 is started through the control terminal, the driving motor drives the first rotating cylinder 41 to rotate through a rotating shaft, the rotating first rotating cylinder 41 drives the first extrusion block 411 to extrude onto the outer wall of the first elastic extrusion cylinder 45, the pasty polyvinyl chloride resin liquid inside the first elastic extrusion cylinder 45 is sprayed onto the surface of the coated paper through the liquid spraying nozzle 48, coated film operation is further performed on the coated paper, meanwhile, the infrared detector can detect the thickness of the coated paper in real time, if the infrared detector detects that the thickness of the coated paper does not reach a standard value, the shrinkage end of the control terminal controls the lifting rod 49 to rise, the rotating wheel disc 5 is meshed with the rotating fluted disc 43, the rotating wheel disc 5 is further meshed with the rotating coated paper, the second elastic extrusion cylinder 46 is driven by the rotating second extrusion cylinder 46, and the second extruded paper is sprayed out through the rotating extrusion cylinder 46.
In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A method for coating a film on the surface of coated paper is characterized by comprising the following steps: the method comprises the following steps:
s1: sheathing the coated paper to be treated at the position of the unwinding wheel (2), and drawing the end part of the coated paper in the film covering box (1) through a drawing wheel;
s2: pouring the pasty polyvinyl chloride resin liquid into a liquid storage box (3), filtering the pasty polyvinyl chloride resin in the liquid storage box (3) through a liquid spraying treatment device (4), and spraying the filtered polyvinyl chloride resin liquid onto the copper-clad paperboard through the liquid spraying treatment device (4);
s3: conveying the coated paper with the coated surface to the lower part of an air drying device (6) through a traction wheel, and further performing air drying operation through the air drying device (6);
s4: conveying the air-dried coated paper to a reeling drum (7) through a traction wheel, and then reeling the coated paper by the reeling drum (7);
the liquid spraying treatment device (4) used in S2 comprises a first rotating cylinder (41), a second rotating cylinder (42), a rotating fluted disc (43), a fixing plate (44), a first elastic extrusion cylinder (45), a second elastic extrusion cylinder (46), a filter screen plate (47), a liquid spraying nozzle (48) and a lifting rod (49); the first rotating cylinder (41) is arranged in the film covering box (1) through a supporting rod, the first rotating cylinder (41) is rotatably connected with the supporting rod through a rotating shaft, and the end part of the rotating shaft is connected with a rotating fluted disc (43); the second rotating cylinder (42) and the first rotating cylinder (41) are installed in the same way; a first extrusion block (411) is arranged on the first rotating cylinder (41); a second extrusion block (421) is arranged on the second rotating cylinder (42), and the width of the second extrusion block (421) is greater than that of the first extrusion block (411); the fixed plate (44) is arranged in the film coating box (1), and the fixed plate (44) is provided with a first elastic extrusion cylinder (45) and a second elastic extrusion cylinder (46); the diameter of the first elastic extrusion cylinder (45) is larger than that of the second elastic extrusion cylinder (46), and the first elastic extrusion cylinder (45) and the second elastic extrusion cylinder (46) are communicated with the liquid storage box (3) through a guide pipe; the first elastic extrusion cylinder (45) is positioned right below the first rotating cylinder (41), and a filter screen plate (47) is arranged in the first extrusion cylinder; a plurality of liquid spraying holes (451) are uniformly formed in the bottom end wall of the first elastic extrusion cylinder (45), and liquid spraying nozzles (48) are connected to the liquid spraying holes (451); the second elastic extrusion container (46) has the same structure as the first elastic extrusion container (45); the lifting rod (49) is arranged on the top wall of the film covering box (1), the telescopic end of the lifting rod (49) is rotatably provided with a rotating wheel disc (5) through a rotating column, the rotating wheel disc (5) is positioned between the first rotating cylinder (41) and the second rotating cylinder (42), and the rotating wheel disc (5) is rotatably meshed with the rotating fluted disc (43); an infrared detector is arranged on the inner wall of the bottom end of the fixing plate (44), and the infrared detector is positioned between the first elastic extrusion container (45) and the second elastic extrusion container (46);
the air drying device (6) comprises an arc-shaped swing plate (61), a hinge rod (62), a sliding extension pipe (63) and a sliding seat (64); the arc-shaped swinging plate (61) is hinged to the fixed plate (44) through a hinge rod (62), and the side wall of the top end of the arc-shaped swinging plate (61) is in rotating extrusion contact with the second extrusion block (421); the side wall of the bottom end of the arc-shaped swinging plate (61) is hinged with a sliding telescopic pipe through a hinge rod (62), and the bottom end wall of the sliding telescopic pipe is provided with a gas blowing hole (631); the sliding seat (64) is arranged on the inner wall of the laminating box (1), a sliding telescopic pipe is connected in the sliding seat (64) in a sliding manner through an extension spring, and the end part of the sliding telescopic pipe is communicated with the inner cavity of the sliding seat (64); the sliding seat (64) is communicated with the outer wall of the film covering box (1) through a one-way valve.
2. The coated paper surface coating method according to claim 1, wherein: the filter screen plate (47) comprises an arc screen plate (471) and a horizontal screen plate (473), and the arc screen plate (471) and the horizontal screen plate (473) are both arranged in an elastic corrugated structure; a filter cavity (472) is formed in the arc-shaped screen plate (471), and filter meshes are formed in the upper end face of the arc-shaped screen plate (471); the bottom end wall of the arc-shaped net plate (471) is obliquely provided with an extrusion spring (8), and the end part of the extrusion spring (8) is arranged on the inner wall of the first elastic extrusion cylinder (45).
3. The method for coating the surface of coated paper as claimed in claim 1, wherein the method comprises the following steps: an arc-shaped dropsy cavity (452) is formed in the inner wall of the upper end of the first elastic extrusion cylinder (45), and a plurality of liquid guide holes are formed in the bottom end wall of the arc-shaped dropsy cavity (452); liquid guide grooves are formed in the side walls of the two bottom ends of the arc-shaped liquid accumulation cavity (452), and the liquid guide grooves are communicated with the flow guide pipes; the second elastic extrusion cylinder (46) has the same structure as the first elastic extrusion cylinder (45).
4. The method for coating the surface of coated paper as claimed in claim 2, wherein: two side walls of the first elastic extrusion cylinder (45) are provided with a collection cavity (453), and the collection cavity (453) is positioned at the end part of the filter cavity (472); a sealing swing plate (9) is hinged in the collection cavity (453) through a hinge column, a sealing ball (91) is arranged on the side wall of the upper end of the sealing swing plate (9), and the sealing ball (91) is arranged at the end part of the filter cavity (472) in a sealing manner; the bottom end of the sealing swing plate (9) is connected with an elastic stretching column (92), and the end part of the elastic stretching column (92) is connected with the top end part of the extrusion spring (8).
5. The method for coating the surface of coated paper as claimed in claim 1, wherein the method comprises the following steps: an extrusion cavity (422) is formed in the second extrusion block (421), a friction ball is placed in the extrusion cavity (422), and the extrusion cavity (422) is communicated into the rotating shaft through an air guide groove; the first extrusion block (411) and the second extrusion block (421) have the same structure; an air guide cavity is formed in the arc-shaped swinging plate (61), the air guide cavity is communicated with the rotating shaft through an air guide hose (65), and an air injection hole is formed in the bottom end of the arc-shaped swinging plate (61).
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| CN201910696371.0A CN110409222B (en) | 2019-07-30 | 2019-07-30 | Method for coating film on surface of coated paper |
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| CN201910696371.0A CN110409222B (en) | 2019-07-30 | 2019-07-30 | Method for coating film on surface of coated paper |
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| CN113310418B (en) * | 2021-06-01 | 2022-11-04 | 安徽松泰包装材料有限公司 | Wall thickness detection device of CPP blown film |
| CN113802410A (en) * | 2021-08-05 | 2021-12-17 | 镇江欣茂纸品贸易有限公司 | Coated paper surface film coating device and operation method thereof |
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|---|---|---|---|---|
| JPH0320111A (en) * | 1989-06-14 | 1991-01-29 | Tocalo Co Ltd | Roll for coated paper with alkali resistance |
| CN205529682U (en) * | 2016-03-15 | 2016-08-31 | 天津吴天纸制品科技有限公司 | Copper board paper surface tectorial membrane device |
| CN109822972A (en) * | 2019-03-19 | 2019-05-31 | 天津市侨阳印刷有限公司 | A kind of film covering device for packing box printing technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5225407B2 (en) * | 2011-02-21 | 2013-07-03 | 富士フイルム株式会社 | Matting agent applying apparatus and ink jet recording apparatus |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0320111A (en) * | 1989-06-14 | 1991-01-29 | Tocalo Co Ltd | Roll for coated paper with alkali resistance |
| CN205529682U (en) * | 2016-03-15 | 2016-08-31 | 天津吴天纸制品科技有限公司 | Copper board paper surface tectorial membrane device |
| CN109822972A (en) * | 2019-03-19 | 2019-05-31 | 天津市侨阳印刷有限公司 | A kind of film covering device for packing box printing technology |
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