CN212237966U - Large-pattern fancy light-reflecting pattern gluing device - Google Patents

Abstract

The utility model discloses a large pattern fancy reflective pattern gluing device, which comprises a gluing roller, an intaglio gluing roller, a gluing knife and a glue supply mechanism for storing and providing glue, wherein the gluing knife is positioned on one side of the intaglio gluing roller, the surface of the gluing knife edge is contacted with the surface of the intaglio gluing roller, the surface of the intaglio gluing roller is provided with a pattern, and the intaglio gluing roller is arranged in the glue supply mechanism and is contacted with the glue in the glue supply mechanism; the pattern is divided into a plurality of micro polygonal structure grooves or formed by combining a plurality of micro polygonal structure grooves, the micro polygonal structure grooves are isolated by micro thin walls, the micro thin walls are mutually connected, and the wall thickness of each micro thin wall forms a leveling gap. The gluing device uses the same and mutually connected continuous small patterns, fills the leveling gap formed by the wall thickness of the miniature thin wall through the leveling effect of glue in the groove of the miniature polygonal structure, and realizes full-pattern gluing transfer of the pattern patterns.

Description

Large-pattern fancy light-reflecting pattern gluing device

Technical Field

The utility model relates to a reflecting material produces technical field, more specifically says and relates to a fancy reflection of light pattern rubberizing device of big pattern.

Background

The gravure glue coating roller used in the manufacturing process of the light-reflecting material in the prior art is used for manufacturing a glue coating pit by a corrosion method, and as the pattern patterns on the same roller surface have different sizes, the pattern with a large area is corroded to a deep depth and the pattern with a small area is corroded to a shallow depth when the roller is manufactured by corrosion. The glue applying amount of deep corrosion places is large, the glue applying amount of shallow places is small, the phenomenon that the thickness of a glue layer is uneven on a product is reflected, so that the product quality problem is caused, in order to ensure the product quality, the depth of a small pattern is required to be used as a reference during manufacturing, so that the depth of a large pattern is too deep, the glue consumption amount is large, waste is caused, and meanwhile, the problem of glue overflow of the pattern is easily caused due to the large glue applying amount.

The size of the glue coating pit of the original gravure glue coating roller is determined by the size of the pattern, namely the area of the glue coating pit with large pattern is also large. Due to the fact that the area of the concave pit is large, the deformation of the rubber roller in the gluing concave pit is large, and after glue in the gluing concave pit is extruded out of the concave pit, the problem of pattern glue overflow is caused. The larger the pattern, the more severe the flash problem of the product. Therefore, the size of the pattern is limited by the original gravure sizing, and the large-pattern cannot be produced.

The original gravure sizing roller pattern is provided with a transverse line segment, and because the edge of the doctor blade is overlapped with the transverse line segment, the edge of the doctor blade deforms under the action of pressure and extends into the sizing pit of the transverse line segment to scrape off the glue in the sizing pit, so that the glue shortage is generated at the position, and the line segment is broken when the product is reflected.

Therefore, the applicant designs the prior patent 201610502217.1, and a structure for gluing a large pattern is formed by N small round dots, so that the problems of uneven thickness of the gluing layer, glue overflow of the pattern, glue breakage of the pattern and the like in the production process of the fancy reflective fabric are solved. But the design style of the customer is changed, and the finally formed large pattern is discontinuous and has breakpoints, so that the customer does not accept the pattern. And the original intaglio printing is composed of each independent structural unit, and the design process cannot avoid the difficult problem brought by the structure of the structural unit to the design.

In order to comprehensively solve the problems in the prior art, the utility model changes the production process of gluing, and adopts regular hexagon/triangle/diamond/square grooves to replace the original round, thereby well solving the problems of uneven thickness of the gluing layer, glue overflow of patterns, glue breakage of patterns and the like in the production process of the fancy reflective fabric; meanwhile, the problem that the design style is changed by a patent 201610502217.1 mode production mode is solved, the large-pattern patterns which can be made into large patterns and are finally shifted out are continuous without breakpoints, and the original design style is reserved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem of uneven depth of the original gravure gluing roller in the manufacturing process; the problem of glue overflow in the production process is solved; the problem of glue breaking in production is solved; the problem of design style change is solved; and to solve the pattern design problem; therefore, the glue applying device for the large pattern fancy reflective patterns is provided, the designed large patterns are formed by the same small patterns, the deformation of the glue roller in the glue applying pit can be ignored, the deformation of the knife edge of the glue scraping knife in the glue applying pit is small, the glue in the glue applying pit can not be taken away, the design style is not changed by filling the microstructures in the designed patterns, and the designed patterns can be presented completely.

The utility model discloses the technical scheme who realizes its invention purpose adopts is: a large-pattern fancy reflective pattern gluing device comprises a top press roll, an intaglio gluing roll, a glue scraping knife and a glue supply mechanism for storing and supplying glue, wherein the glue scraping knife is positioned on one side of the intaglio gluing roll, the glue scraping knife edge is in contact with the surface of the intaglio gluing roll, a pattern is arranged on the surface of the intaglio gluing roll, and the intaglio gluing roll is arranged in the glue supply mechanism and is in contact with the glue in the glue supply mechanism; the pattern is divided into a plurality of micro polygonal structure grooves or formed by combining a plurality of micro polygonal structure grooves, the micro polygonal structure grooves are isolated by micro thin walls, the micro thin walls are mutually connected, and the wall thickness of each micro thin wall forms a leveling gap. The leveling gap formed by the wall thickness of the micro thin wall is filled by the flower-shaped pattern through the leveling effect of glue inside the groove of the micro polygonal structure so as to realize full-pattern glue spreading transfer of the flower-shaped pattern.

The gluing device for the large-pattern fancy reflective patterns solves the problem that transferred fancy patterns are visually formed by N small-point points for people by gluing the existing large-pattern fancy reflective patterns of an applicant, changes the existing design mode that the single unconnected groove is a gluing groove to form the fancy patterns into the mode that the glued fancy patterns are divided or combined, can be designed by a dividing method, namely the fancy patterns are designed into the mode that the fancy patterns are divided into a plurality of micro polygonal structure grooves by a dividing method, or can be combined by the combination design, namely the fancy patterns are designed into the mode that the micro polygonal structure grooves are combined, the micro polygonal structure grooves are mutually separated by micro thin walls, the micro thin walls are mutually connected, and in the glue transferring process, the fancy patterns fill the micro thin wall thickness through the leveling effect of glue inside the micro polygonal structure grooves to form the micro thin wall thickness to form the fancy reflective patterns So as to realize full-pattern gluing transfer of pattern type. That is, the utility model discloses pass through segmentation design or combined design with the flower type pattern on the gravure sizing roller, make the flower type pattern by the continuous groove structure that the miniature polygon structure recess constitutes or make the flower type pattern by the continuous groove structure that two kinds or more than two kinds of multiple miniature polygon structure recesses constitute jointly, when the wall thickness of miniature thin wall reduces a definite value, when carrying out the rubber coating and shifting, because the separation of miniature thin wall, miniature polygon structure recess each other inside is not mutually connected, after the rubber coating, every miniature polygon structure recess inside all is full of glue, do not have glue at the wall thickness department of miniature thin wall and form the wall thickness clearance, in the transfer process of last glue, through the levelling effect of glue, the clearance levelling that the wall thickness width of miniature thin wall formed levels up, reflect on the plant pearl membrane be exactly that whole flower type pattern forms a whole big pattern, therefore, full-pattern gluing transfer of the pattern patterns is realized, the transferred pattern patterns can be completely presented according to the first design requirement, and the pattern formed by N small dots is not the pattern visually presented to people. According to the novel gravure glue applying device, one or more flower-shaped patterns which are divided to form the grooves with the micro polygonal structures or flower-shaped patterns which are combined by one or more groove patterns with the micro polygonal structures are used for a novel gravure glue applying roller, so that the large patterns are divided into a plurality of small patterns, or the small patterns are connected to form the large patterns, the depth of each concave pit of the groove with the micro polygonal structure can be designed according to the requirement of a product on the thickness of a glue layer, and the problem of different groove depths does not exist; because the pit area of the groove of the micro polygonal structure is very small, the deformation of the upper compression roller in the groove of the micro polygonal structure can be ignored, the problem of glue overflow in the production process is solved, and the problem that large patterns cannot be produced is also solved; meanwhile, the tape casting phenomenon of the glue caused by too low viscosity is well avoided, and the application range of the viscosity of the glue is wider; the wall thickness of the micro thin wall of the micro polygonal groove is small enough, so that the deformation of the edge of the doctor blade in the micro polygonal groove is small, the glue in the micro polygonal groove cannot be taken away, and the glue breaking phenomenon is avoided; the micro polygonal structure grooves can be seamlessly divided or combined into various large design patterns, when the wall thickness of the micro thin wall is reduced to a certain value, through the flowability of glue, the disconnection gap of the wall thickness of the micro thin wall generated due to the wall thickness in the glue transfer process of the micro polygonal structure grooves can be filled, namely, the problem that the glue is disconnected between the micro polygonal structure grooves is solved, the glue can fill the whole pattern patterns through leveling in the transfer process, the pattern patterns can be completely transferred to a bead planting film in a full pattern mode, the designed large pattern fancy pattern is obtained, and the problem that the design style of the glue grooves on the existing gravure glue applying roller is changed in the glue transfer process is solved.

Preferably, the polygonal thin-wall grating is formed by combining one or more of triangular grooves, square grooves, hexagonal grooves or octagonal grooves. The micro polygonal structure grooves can be designed into triangular grooves, square grooves, hexagonal grooves or octagonal grooves, the shape change is changed according to the design requirements of flower type patterns, and the same pattern can be one micro polygonal structure groove or the combination design of two or more micro polygonal structure grooves so as to meet the design requirements of different large pattern patterns.

Preferably, the micro polygonal structure groove is a micro groove formed by dividing or combining a large pattern and homogenizing and dividing a micro thin wall, or the micro groove is combined and designed with the same depth, so that the micro polygonal structure groove is convenient to etch and manufacture, and the whole pattern is full of the pattern and is glued uniformly through the leveling effect of transferred glue.

Preferably, the thickness of the miniature thin wall is less than or equal to 0.5 mm. The wall thickness of the miniature thin wall is preferably less than or equal to 0.5mm, the problem that the existing grooves are mutually independent, and the manufactured fancy patterns visually form patterns by N small points is solved, the original design style can be effectively reserved through the design of the miniature thin wall, the problem of discontinuity caused by wall thickness gaps can be solved through the leveling effect of glue in the glue moving process, full-pattern gluing is realized, and the original design patterns are obtained. When the wall thickness of the miniature thin wall is reduced to a certain value, for example, less than or equal to 0.5mm, the gap generated in the gluing process of the wall thickness of the miniature thin wall can be filled up through the fluidity of the glue, so that the full-pattern can be completely presented by the glue.

Preferably, the height of the miniature thin wall is flush with or lower than the roller surface of the gravure sizing roller. The design enables the deformation of the upper pressing roller inside the miniature polygonal structure groove formed by the miniature thin wall division or combination on the gravure gluing roller to be close to zero deformation, the deformation of the upper pressing roller in the miniature polygonal structure groove can be ignored, the glue overflow problem in the production process is effectively solved, and the problem that large pattern patterns cannot be produced or produced large pattern patterns are discontinuous point visual structures in the prior art is also solved. Meanwhile, the glue inside the groove of the micro polygonal structure in the gluing process can be taken away by zero in the gluing process of the doctor blade. The original gravure sizing roller pattern is provided with a transverse line segment due to the large area of the groove, the edge of the doctor blade is overlapped with the transverse line segment in the sizing process, the edge of the doctor blade deforms under the action of pressure and extends into the sizing pit of the transverse line segment to scrape off the glue in the sizing pit, so that the glue shortage is generated at the position, and the line segment is broken when the product is reflected. And the utility model discloses in owing to cut apart or make up miniature polygon structure recess with miniature thin wall, cut apart into little pattern with big pattern or constitute big flower type pattern with little pattern, consequently, because the grid wall thickness of miniature thin wall exists, the deformation of doctor blade edge of a knife in this kind of miniature rubberizing pit of miniature polygon structure recess is very little, can ignore, can not take away the glue in the rubberizing pit, therefore can not produce disconnected gluey phenomenon.

The big pattern in the utility model is composed of any size pattern composed of a plurality of micro polygon structure grooves, or the big pattern is composed of any size pattern decomposed into a plurality of micro polygon structure grooves. The large pattern can be formed by combining micro polygonal structure grooves into patterns with any size, or can be formed by decomposing the patterns with any size into a certain number of micro polygonal structure grooves, no matter which mode is adopted, the pattern patterns can be randomly designed into one shape or a plurality of shapes according to needs, and then the large pattern needing to be designed is formed by the pattern patterns, so that full-pattern gluing transfer in the glue transferring process is realized.

The utility model has the advantages that: (1) the utility model discloses gravure sizing roller is with the same, the continuous little pattern of interconnect uninterruptedly, and miniature thin wall is cut apart to form a plurality of miniature polygon structure recesses and is constituteed big pattern promptly flower type pattern promptly, perhaps makes up a plurality of miniature polygon structure recesses through miniature thin wall and makes up flower type pattern, has effectively solved the inhomogeneous problem of degree of depth of former gravure sizing roller in the manufacture process, makes the degree of depth of miniature polygon structure recess can adapt to the requirement of product to glue film thickness better;

(2) the utility model discloses gravure sizing roller is the combination that uses miniature thin wall to cut apart the very little miniature polygon structure groove pattern of formation, perhaps makes up a plurality of miniature polygon structure grooves into the flower type pattern through miniature thin wall, and the deformation of upper pressure roller in miniature polygon structure groove pit can be ignored, and the upper pressure roller can not extrude the glue in miniature polygon structure groove in the process of sizing, has effectively solved the excessive gluey problem in the production process, has also solved the problem that can not produce big decorative pattern; in addition, the utility model also well avoids the tape casting phenomenon of the glue caused by the over-low viscosity, so that the application range of the viscosity of the glue is wider;

(3) the utility model discloses gravure sizing roller is the combination that uses miniature thin wall to cut apart and form very little miniature polygon structure groove pattern, perhaps makes up a plurality of miniature polygon structure grooves into the pattern through miniature thin wall, and the deformation of doctor blade edge in miniature polygon structure groove rubberizing pit is very little, can ignore, and the doctor blade can not take away the glue in miniature polygon structure groove, therefore the product can not produce the disconnected gluey phenomenon;

(4) the utility model discloses because adopt miniature thin wall to cut apart and form miniature polygon structure recess, perhaps make up into the pattern with a plurality of miniature polygon structure recesses through miniature thin wall, and miniature polygon structure recess links into an organic whole through miniature thin wall each other, it is incessant, it is not independent, can make up into big pattern seamlessly through miniature polygon structure recess, when the wall thickness of miniature thin wall between the miniature polygon structure recess reduces a definite value, the mobility through glue in the transfer process, can fill the space that the wall thickness of miniature thin wall produced, make glue fill our required pattern, the pattern can be complete present. The problem that the design style is changed by a production mode is effectively solved.

(5) The utility model discloses connect through miniature thin wall inside the miniature polygon structure recess of design pattern, solved former intaglio printing effectively and constituted by each independent constitutional unit, the difficult problem that the structure of design process can't avoid constitutional unit itself to bring to the design.

Description of the drawings:

FIG. 1 is a schematic structural diagram of a gluing device for the large pattern fancy reflective patterns of the present invention;

FIG. 2 is a schematic view of the matching of the upper press roll and the micro-polygon-structured groove of the gravure upper press roll according to the present invention;

FIG. 3 is a schematic view of the first doctor blade and the micro-polygon groove of the present invention;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a schematic view of a combination of the upper nip roller and the glue-applying pit of the gravure glue-applying roller of the prior patent of the applicant;

FIG. 6 is a schematic view of the first doctor blade of the applicant's prior patent in cooperation with a glue pit;

FIG. 7 is a left side view of FIG. 6;

FIG. 8 is a schematic view of a printing effect of a large pattern on the fancy reflective fabric produced by a conventional gluing roller;

FIG. 9 is a schematic representation of the effect of the macrographic pattern of FIG. 8 transferred by the apparatus and method of the applicant's prior patent;

FIG. 10 is a schematic view of the effect of the macro pattern of FIG. 8 transferred by the apparatus and method of the present invention;

FIG. 11 is a schematic view of the micro-thin wall and micro-polygon groove of the present invention;

in the figure: 1. the device comprises an upper press roll, 2, a gravure gluing roll, 3, a bead planting film, 4, a transmission channel, 5, a miniature polygonal groove, 6, a first doctor blade, 7, a second doctor blade, 8, a glue tank, 9, a glue groove, 10, a glue pipe, 11, a flower-shaped pattern, 12, a miniature thin wall, 13 and glue.

The specific implementation mode is as follows:

the technical solution of the present invention will be further described in detail by the following specific embodiments with reference to the accompanying drawings.

Example 1:

in the embodiment shown in fig. 1, a large pattern fancy reflective pattern gluing device comprises a top press roll 1, a gravure gluing roll 2, a doctor blade and a glue supply mechanism for storing and supplying glue, wherein the doctor blade is positioned on one side of the gravure gluing roll 2, the doctor blade edge is in contact with the surface of the gravure gluing roll 2, the surface of the gravure gluing roll 2 is provided with a pattern 11, and the gravure gluing roll 2 is arranged in the glue supply mechanism and is in contact with the glue in the glue supply mechanism; the flower-shaped pattern 11 is divided into a plurality of micro polygonal structure grooves 5 or is formed by combining a plurality of micro polygonal structure grooves 5, the micro polygonal structure grooves 5 are isolated by micro thin walls 12, the micro thin walls 12 are mutually connected, and the wall thickness of the micro thin walls 12 forms a leveling gap. The pattern 11 fills the leveling gap formed by the wall thickness of the miniature thin wall 12 through the leveling effect of glue inside the miniature polygonal groove 5 so as to realize full-pattern glue spreading transfer of the pattern. In the utility model, the large pattern is composed of any size pattern composed of a plurality of micro polygon structure grooves 5, or the large pattern is composed of any size pattern decomposed into a plurality of micro polygon structure grooves 5.

This fancy reflection of light pattern rubberizing device of big pattern, go up the compression roller 1 and the gravure is gone up the rubber roll 2 and is set up the clearance from top to bottom and go up between compression roller 1 and the gravure and go up the rubber roll 2, and this clearance forms and is used for passing through transmission channel 4 of planting pearl membrane 3, and planting pearl membrane 3 contacts with last compression roller 1, 2 roll surfaces of gravure rubberizing roller respectively, and the doctor-blade lies in gravure rubberizing roller one side, and the doctor-blade edge contacts with gravure rubberizing roller surface.

The doctor blade comprises a first doctor blade 6 and a second doctor blade 7, the first doctor blade 6 is used for cutting off glue drawing between the bead planting film and the micro polygonal structure groove 5, the second doctor blade 7 is used for scraping off glue overflowing after the micro polygonal structure groove 5 is glued, the first doctor blade 6 is arranged at a separation position of the bead planting film 3 and the micro polygonal structure groove 5 after glue moving and is reverse to the rotation direction of the gravure gluing roller 2, the second doctor blade 7 is arranged at a separation position of the micro polygonal structure groove and the glue supply mechanism and is in the same direction with the rotation direction of the gravure gluing roller 2, the blade edge of the first doctor blade 6 and the blade edge of the second doctor blade 7 are both contacted with the surface of the gravure gluing roller, the acute included angle between the contact surface of the first doctor blade 6 and the gravure gluing roller 2 is 10-30 ℃, and the acute included angle between the contact surface of the second doctor blade 7 and the gravure gluing roller is 10-30 ℃.

The micro polygonal groove 5 is formed by combining one or more of a triangular groove, a square groove, a hexagonal groove or an octagonal groove. The wall thickness of the miniature thin wall 12 takes the leveling of glue as a design standard; the wall thickness of the miniature thin wall 12 is less than or equal to 0.5 mm. In this embodiment, the thickness of the micro thin wall 12 is 0.2 mm. The height of the miniature thin wall 12 is flush with or lower than the roller surface of the gravure sizing roller.

The sizes and specifications of the groove bodies of the miniature polygonal structure grooves 5 are consistent, the groove body depths are the same, and the groove body depths of the miniature polygonal structure grooves 5 are 0.06-0.45 mm. The micro polygonal groove 5 is in a triangular groove, a square groove, a hexagonal groove or an octagonal groove, and the like, and the specific shape is determined by the shape of the micro thin wall 12. In this embodiment, the micro polygonal groove 5 has a regular hexagonal groove structure.

The deformation of the upper press roll 1 in the micro polygonal groove 5 on the gravure sizing roll 2 is zero. The edge of the doctor blade is slightly deformed in the groove 5 with the micro polygonal structure, and the glue in the groove 5 with the micro polygonal structure is zero in the doctor blade glue scraping process.

The glue supply mechanism comprises a glue tank 8, a glue tank 9 and a glue pipe 10, the glue tank 9 is fixed below the gravure glue applying roller 2, the glue tank 8 is fixed above the glue tank 9, the glue pipe 10 is fixed at the bottom of the glue tank, the glue tank 8 is communicated with the glue tank 9 through the glue pipe 10, and the roller surface of the gravure glue applying roller is arranged in the glue tank and is in contact with glue in the glue tank.

The gluing method by using the gluing device for the large pattern fancy reflective patterns comprises the following steps:

(1) the bead planting film 3 to be transferred is dragged and transmitted by the gravure sizing roller 2 and the upper pressing roller group, and is conveyed to a transmission channel 4 between the upper pressing roller 1 and the gravure sizing roller 2 through a guide roller;

(2) the gravure sizing roller 2 is positioned in the glue supply mechanism and is contacted with glue 13, after the inside of the miniature polygonal structure groove 5 forming the pattern 11 is filled with the glue 13, the second doctor blade 4 is utilized to scrape off the redundant glue 13 on the roller surface of the gravure sizing roller 2 in the rotating process and fall into the glue groove 9, only the miniature polygonal structure groove 5 formed by the blockage of the miniature thin wall 12 is filled with the glue 13, and no glue is left at other parts;

(3) then the gravure gluing roller 2 rotates to drive the micro polygonal structure groove 5 filled with glue to be in pressure contact with the bead planting film 3 which is dragged and conveyed and passes through the transmission channel 4 through the upper pressing roller, so that the glue 13 in the micro polygonal structure groove 5 is transferred to the bead planting film 3 to realize gluing compounding;

(4) the transferred glue bead planting film has the advantages that the wall thickness of the micro thin wall 12 is thin, and gaps formed by the wall thickness enable the whole pattern to be in a full pattern form through the leveling effect of the transferred glue, so that the glue inside the micro polygonal structure groove 5 blocked by the micro thin wall in the transferring process is clearly and completely glued and transferred and is transferred to the bead planting film to form an integral design pattern; namely, the whole gluing process is completed. In the rotation process of the gravure sizing roller 2, the first doctor blade 6 cuts off glue for wire drawing, the whole flower-shaped patterns 11 are full-plate and full-pattern patterns through the leveling effect of the transferred glue 13 between the micro polygonal structure grooves 5, so that glue in the micro polygonal structure grooves 5 is clearly and completely glued and transferred in the transfer process, and the glue is transferred to the bead planting film 3 to form an overall design pattern.

Wherein, the pressure between the first doctor blade 6 and the roller surface of the gravure sizing roller is 10 plus or minus 2kg/m2, and the pressure between the second doctor blade 7 and the roller surface of the gravure sizing roller is 15 plus or minus 2kg/m 2.

FIG. 8 is a schematic view of a printing effect of a large pattern on the fancy reflective fabric produced by a conventional sizing roller.

Fig. 9 is an effect diagram obtained after glue transfer printing is carried out by a glue roller device of a large pattern intaglio of the fancy reflective fabric previously applied by the applicant.

Fig. 10 is an effect diagram obtained after the same pattern in the figure is rubberized and transferred by the rubberizing device for the large pattern fancy reflective pattern of the invention.

By comparison, the following results are obtained:

the utility model effectively solves the problem of uneven depth of the original gravure upper glue roller in the manufacturing process;

the gravure glue coating roller is used for manufacturing a glue coating pit by a corrosion method, and because the pattern patterns on the same roller surface have different sizes, when the roller is manufactured by corrosion, the pattern with a large area is corroded to a deep depth, and the pattern with a small area is corroded to a shallow depth. The glue applying amount of deep corrosion places is large, the glue applying amount of shallow places is small, the phenomenon that the thickness of a glue layer is uneven on a product is reflected, so that the product quality problem is caused, in order to ensure the product quality, the depth of a small pattern is required to be used as a reference during manufacturing, so that the depth of a large pattern is too deep, the glue consumption amount is large, waste is caused, and meanwhile, the problem of glue overflow of the pattern is easily caused due to the large glue applying amount.

The utility model discloses a novel gravure sizing roller 2 form miniature polygon structure recess through miniature thin wall separation (cut apart or make up), constitute big pattern with the same continuous little pattern (miniature thin wall and miniature polygon structure recess), solve the inhomogeneous problem of depth that produces in the version roller, make the degree of depth of pit adapt to the requirement of product to glue film thickness better.

(II) the utility model discloses effectively solved the excessive gluey problem in the production process:

the size of the glue coating pit of the original gravure glue coating roller is determined by the size of the pattern, namely the area of the glue coating pit with large pattern is also large. As shown in FIG. 5, the deformation of the rubber roller in the gluing pit is large due to the large area of the pit, and the problem of pattern glue overflow is caused after the glue in the gluing pit is extruded out of the pit. The larger the pattern, the more severe the flash problem of the product. Therefore, the size of the pattern is limited by the original gravure sizing, and the large-pattern cannot be produced.

The utility model discloses a novel gravure rubber coating roll use miniature thin wall separation to form very little miniature polygon structure recess and make up into required pattern, as shown in fig. 2, the deformation of going up the compression roller in miniature polygon structure recess can be neglected, has solved the excessive gluey problem in the production process, has also solved the problem that can not produce big decorative pattern.

In addition, the application range of the viscosity of the glue is wider, the area of an original pit is larger, the requirement on the viscosity of the glue is higher, and the coating process with too low viscosity is easily subjected to the action of gravity or the dragging action of a doctor blade to generate a tape casting phenomenon and influence a pattern structure; the utility model discloses a fine curtain coating phenomenon of having avoided glue of new construction (miniature thin wall and miniature polygon structure recess) to hang down the production because of viscosity is low, glue viscosity application range is wider.

(III) the utility model discloses effectively solve the disconnected problem of gluing that produces in the production:

the original gravure sizing roller pattern is provided with a transverse line segment, and as the edge of the doctor blade is overlapped with the transverse line segment, as shown in figures 6 and 7, under the action of pressure, the edge of the doctor blade deforms and extends into the sizing pit of the transverse line segment to scrape off the glue in the sizing pit, so that the glue shortage is generated at the position, and when the glue is reflected to a product, the line segment is broken.

The utility model discloses a new gravure sizing roller, owing to constitute big pattern with little pattern (miniature thin wall and miniature polygon structure recess), the deformation of doctor blade edge of a knife in miniature polygon structure recess is very little, as shown in fig. 3, fig. 4, can not take away the glue in the miniature polygon structure recess, and can not produce the disconnected gluey phenomenon.

(IV) the utility model discloses effectively solved the prior patent version design style problem of applicant:

the continuously designed micro polygonal structure grooves can be divided or connected through the micro thin walls to be combined into various required design patterns in a seamless mode, when the thickness of the micro thin walls among the micro polygonal structure grooves is reduced to a certain value, gaps generated by the wall thickness of the micro thin walls can be filled through the flowability of glue, the glue is filled with the required patterns in the glue moving process, and the patterns can be presented completely. The problem that the production mode of the prior patent 201610502217.1 of the applicant is changed to the design style is effectively solved.

(V) effectively solving the problem of pattern design:

former intaglio printing comprises each independent constitutional unit, and the difficult problem that constitutional unit structure itself can't be avoided to the design in the design process is brought, the utility model discloses novel method is that miniature polygon structure recess connects the packing through miniature thin wall, makes miniature polygon structure recess no longer independent, but connects in succession and becomes an organic whole to levelling effect through glue has realized moving continuous, the integral rubberizing of gluey in-process flower type pattern, fine solution the rubberizing change this problem of design.

Compared with the prior art, the utility model discloses the levelling effect of flower type pattern on the gravure rubberizing roller can be through shifting back glue for whole pattern is on full picture's mode printing is planted the pearl membrane, can be clear complete present original design style and design style, no matter be big pattern or little pattern can both be suitable for, big pattern has miniature polygon to make up into arbitrary big size pattern, also can be with arbitrary big size pattern decomposition one-tenth the miniature polygon of a certain amount, simultaneously, does not have strict restriction to the viscosity of glue, has improved the application range of glue greatly, the utility model discloses overflow in the production process, the glue problem absolutely have still effectively been avoided.

The above-mentioned embodiments are only a preferred embodiment of the present invention, and are not intended to limit the present invention in any way, and other variations and hairstyles can be made without departing from the technical scope of the present invention as set forth in the claims.

Claims (5)

1. A large-pattern fancy reflective pattern gluing device comprises a gluing roller (1), an intaglio gluing roller (2), a glue scraping knife and a glue supply mechanism for storing and supplying glue, wherein the glue scraping knife is positioned on one side of the intaglio gluing roller (2), the glue scraping knife edge is in surface contact with the intaglio gluing roller (2), a pattern (11) is arranged on the surface of the intaglio gluing roller (2), and the intaglio gluing roller (2) is arranged in the glue supply mechanism and is in contact with the glue in the glue supply mechanism; the method is characterized in that: the flower-shaped pattern (11) is divided into a plurality of micro polygonal structure grooves (5) or is formed by combining a plurality of micro polygonal structure grooves (5), the micro polygonal structure grooves (5) are isolated by micro thin walls (12), the micro thin walls (12) are mutually connected, and the wall thickness of the micro thin walls (12) forms a leveling gap.

2. The sizing device for the large pattern fancy reflective patterns as claimed in claim 1, wherein: the miniature polygonal structure groove (5) is formed by combining one or more of a triangular groove, a square groove, a hexagonal groove or an octagonal groove.

3. The sizing device for the large pattern fancy reflective patterns as claimed in claim 1, wherein: the depth of the grooves (5) of the micro polygonal structure is the same.

4. The sizing device for the large pattern fancy reflective patterns as claimed in claim 1, wherein: the wall thickness of the miniature thin wall (12) is less than or equal to 0.5 mm.

5. The sizing device for the large pattern fancy reflective patterns according to any one of claims 1 to 4, wherein: the height of the miniature thin wall (12) is flush with the roller surface of the gravure sizing roller (2) or lower than the roller surface of the gravure sizing roller (2).

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