CN209063711U - A kind of anilox roll - Google Patents

Abstract

The utility model provides a kind of anilox roll, including roll body and is attached to the ceramic layer on roll body surface, the surface of the ceramic layer is equipped with regular shape recess portion, and recess portion is in multiple row arrangement.The recess portion is that longitudinal cross-section is U-shaped recess portion, has the characteristics that inner wall smooth, depth is deep simultaneously, so that the load ink amount of anilox roll increases, it can be achieved that demand of the printing to quantity and large ink-loading, improves printing quality.

Description

A kind of anilox roll

Technical field

The utility model relates to printing industry technical field, in particular to a kind of anilox roll.

Background technique

Flexible version printing (flexography), is also often simply called flexographic printing, using flexographic plate, passes through anilox roller Transmitting ink applies a kind of mode of printing of print, and flexible printing machine integrates the working procedures such as printing, cross cutting, glazing, multiple tracks work Sequence can be completed once, simple, convenient.

It is relatively simple for structure using typical short ink road ink feeding system in flexible printing machine, mainly by ink tank, glue Roller, doctor and four part of anilox roll composition.Wherein, anilox roll is the core component of flexible printing machine, it is responsible on printing plate A certain amount of ink of Transmit evenly.

High-grade flexographic printing needs that high-intensitive, high line number, mesh quality are uniform, carry ink amount enough and stablize, the service life is permanent Anilox roll.The line number of anilox roll refers in anilox roll surface unit length the quantity of ink hole and the important ginseng of anilox roll One of number index, it also has highly important influence to the load performance of ink of anilox roll.In general, the line number of anilox roll is got over Height, then its load ink amount is just smaller, on the contrary then bigger.

Due to the constraint by equipment and technology, when anilox roll line number reaches 800LPI or so at present, carrying ink amount is necessarily reduced (practical load ink amount is only 2.0BCM or so when general 800LPI), thus have to be by high line number when separately printed with Hierarchical Network on the spot Brush, even if in this way, the color density of Hierarchical Network is also partially light.It is measured sometimes for enough ink are obtained, it has to reduce anilox roll line Number but often causes negative effects such as " stifled versions " again, influences the exquisite degree of printed matter.

Anilox roll mesh in patent 201080006543.4 (method for manufacturing anilox roll) is to use pulse laser beam It carves, mesh bottom is sharper, and inner wall is uneven, and the ink of bottom hole is caused to be not easy to be transferred out, and is easy to dry up in mesh It is interior, it is difficult to clean.

Utility model content

The purpose of this utility model is to provide a kind of anilox rolls, and there is high anilox roll line number and high anilox roll to carry ink amount, Demand of the printing to quantity and large ink-loading can be achieved, can effectively improve printing quality, and there is longer service life.

In order to achieve the above object, the utility model provides a kind of anilox roll, including metal roll body, it is attached to metallic roll body surface The ceramic layer in face, the surface of the ceramic layer are equipped with regular shape recess portion, and recess portion is arranged in multiple row, and the longitudinal cross-section of the recess portion is It is U-shaped.

Further, the recess portion is made of a circular groove, and the recess portion is rounded.

Further, recess portion is made of multiple circular grooves being continuously arranged.

Further, the surface shape of the recess portion is circle, quadrangle, hexagon or prismatic.

Further, the ceramic layer with a thickness of 15~25mm.

Further, the surface of the ceramic layer is additionally provided with sealing of hole layer.

Further, the recess portion is in the angle arrangement for being 30 °, 45 ° or 60 ° with 10 axis angle of metal roll body.

Further, the metal roll body is carbon steel tubing as roll body made of substrate.

Further, the material of the ceramic layer includes one of aluminum oxide coating layer powder and chromium oxide coating powder or more Kind.

Further, the material of the sealing of hole layer include baking-type phenolic resin be air-dried in type silicone resin one Kind is a variety of.

The utility model has the beneficial effects that the utility model provides a kind of anilox roll, including metal roll body and ceramic layer, pottery Enamel coating be equipped with for conductive ink recess portion, the recess portion in longitudinal section be U-shaped recess portion, U-shaped recess portion have inner wall smooth, The feature of depth depth.U-shaped recess portion is compared with V-type recess portion simultaneously, and U-shaped recess portion has more under same depth and similar face bore Big volume, so that anilox roll in high line number with having the high ink that carries to measure, carrying ink amount can be greatly increased.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to the scope of the utility model as.

Fig. 1 is the structural schematic diagram of the anilox roll of the utility model.

Main element symbol description:

10, metal roll body；20, ceramic layer；30, recess portion.

Specific embodiment

Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities Apply example.

The component of the utility model embodiment being described and illustrated herein in the accompanying drawings can be come with a variety of different configurations Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all Belong to the range of the utility model protection.

It hereinafter, can the term " includes " used in the various embodiments of the utility model, " having " and its homologous Word is meant only to indicate special characteristic, number, step, operation, the combination of element, component or aforementioned item, and is understood not to The combined presence or increasing of one or more other features, number, step, operation, element, component or aforementioned item is excluded first A possibility that adding the combination of one or more features, number, step, operation, element, component or aforementioned item.

In the various embodiments of the utility model, statement " A or/and B " includes any combination of the text listed file names with Or all combinations, it may include A, may include B or may include A and B both.

In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", " transverse direction ", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the utility model.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as referring to Show or imply relative importance.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.

In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection, the connection being also possible to inside two elements can be It is connected directly, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can be according to specific Situation understands the concrete meaning of above-mentioned term.Unless otherwise defined, otherwise all terms used herein (including technical term With scientific term) with identical as the various normally understood meanings of embodiment one skilled in the art of the utility model Meaning.The term (term such as limited in the dictionary generally used) is to be interpreted as having and lead in the relevant technologies The identical meaning of situational meaning in domain and it will be interpreted as having Utopian meaning or meaning too formal, unless It is clearly defined in the various embodiments of the utility model.

Embodiment one

Referring to Fig. 1, a kind of production method of anilox roll, includes the following steps:

Step 1, production metal roll body 10；

Base at the beginning of step 2, roll body of the spraying ceramic coat formation in surface with ceramic layer 20 in metal roll body 10；

Step 3, using control laser beam spinning, shape is formed by laser engraving on the ceramic layer 20 of base at the beginning of roll body Shape, multiple recess portions 30 of the same size；

Step 4, at the beginning of the roll body after laser engraving, base surface is processed by shot blasting, anilox roll is made.

Specifically, the step 3 includes:

Step 31 provides laser optical system, and the laser optical system includes the light source that can issue laser beam, energy The optical mirror slip that enough axle center around the laser beam rotate and the rotating mechanism that the optical mirror slip can be driven to rotate；

The laser beam is incident in the optical mirror slip with the direction perpendicular to the optical mirror slip, and with deviate into Penetrate the injection of direction certain angle；

In the case where the optical mirror slip is rotated around the axle center of the laser beam, projected from the optical mirror slip Laser beam rotates to form circular trace, to form circular groove on the ceramic layer 20 of base at the beginning of the roll body；

It is mobile by controlling the laser optical system, it is formed on the ceramic layer 20 of base at the beginning of the roll body one or more Connected circular groove, one or more of circular grooves being continuously arranged constitute recess portion 30；

Base at the beginning of axis uniform rotation roll body of the step 32. around base at the beginning of roll body, meanwhile, the axis along base at the beginning of roll body moves laser Optical system makes light beam carry out engraving on the surface of ceramic layer 20 and forms multiple recess portions 30.

The substrate of metal roll body 10 generally selects Fine Steel Casting iron pipe in step 1, selects medium carbon steel steel pipe mostly, steel pipe Wall thickness is 7~10mm, and 10 structure of metal roll body uses tape spool roll body form, i.e., is connected to one with ring flange and mandrel and steel pipe It rises, accurate to dimension and the satisfactory roll body of geometric accuracy is made by machine finishing.

Ceramic coating in step 2 refers to the general name of the inorganic protective layer or protective film that are covered on matrix surface, it can change Become pattern, structure and its chemical composition of matrix surface, assign base material new performance, there is wear-resisting, anti-corrosion, anti-sticking, height The characteristics of hardness, high temperature resistant, good biocompatibility.

Specifically, the material of the ceramic coating can be metal oxide, including aluminum oxide coating layer powder or chromium oxide coating Powder etc..

In the present embodiment, chromium oxide coating powder is selected to make ceramic coating.

Specifically, chromium oxide coating powder is melted, metal calender roll surface, plasma gun are coated on by plasma gun meltallizing Nozzle be made of anode and cathode, the two poles of the earth connect high-voltage electricity, generate electric arc.Working gas flows through high-voltage arc and is ionized, The energy of generation expands gas under high pressure.High pressure gas escapes at jet hole, forms a branch of thermal expansion plasma high speed Flame stream.Chromium oxide coating powder is injected into spray gun and passes through electric arc.Close to 30000 DEG C, chromium oxide applies the temperature of plasma flame core Layer powder is melted across flame core, and deposits to the roll body surface rotated before spray gun.Coating layer thickness is by roll body rotation speed and spray gun Movement speed determines.It forms high rigidity, be firmly combined with metallic roll, fine and close ceramic layer 20.The ceramic layer 20 with a thickness of 0.015~0.032mm.

In step 3 light source issue laser beam, laser beam perpendicular to optical mirror slip direction inject optical mirror slip after with Deviate incident direction certain angle to project, deviation angle is between 1 °~10 °.The optical mirror slip is by rotating mechanism around described The axle center of laser beam rotates, so that rotating with to form circular trace from the laser beam that optical mirror slip projects, in roller Engraving forms circular groove on the ceramic layer 20 of the first base of body.At the same time, the first base of roll body is around its axis rotation, laser optical system Axis along base at the beginning of roll body moves, and so that laser beam is carried out engraving on the surface of ceramic layer 20 and forms multiple recess portions 30.

Specifically, the optical mirror slip is wedge in the step 31.

The circular recess that the recess portion 30 can be formed for a circular groove, in other embodiments, the recess portion 30 can For the polygonal recesses of multiple circular groove compositions being continuously arranged.

The longitudinal cross-section of the recess portion 30 be it is U-shaped, have the characteristics that inner wall smooth, depth is deep simultaneously；At the same time, U Type recess portion is compared with traditional V-type recess portion, and U-shaped recess portion has bigger volume under same depth and similar face bore.

Specifically, the recess portion 30 in press plays a part of ink storage, even ink and quantitative ink transfer.

Specifically, 30 surface shape of recess portion be circle, in other embodiments, the recess portion 30 can for quadrangle, Hexagon or prismatic.

Specifically, the light beam is the round light beam with certain area.

Specifically, the rotating mechanism is common mechanical rotating mechanism, the optical mirror slip is driven simultaneously by rotating electric machine Around the axle center high speed rotation of laser beam.

Specifically, the metal roll body 10 is ground the surface of metal roll body 10 after completing in the step 1 And polishing treatment.

Specifically, in the step 2, the roll body just after base spraying ceramic coat to the surface of the ceramic layer 20 of formation into Row grinding and polishing treatment.

The microgroove and mottling on surface can be removed by carrying out grinding and polishing treatment, improved surface smoothness, reduced mist degree, from And obtain bright finished surface.

Specifically, the rotation speed of the optical mirror slip is 1000-8000r/min in the step 31.Such as 1500r/ Min, 2000r/min, 3000r/min, 4000r/min, 5000r/min, 6000r/min, 7000r/min or 7500r/min.

Specifically, in the step 32, the linear velocity 500-2500mm/s of the first base of the roll body.Such as 600mm/s, 1000mm/s, 1500mm/s, 2000mm/s or 2300mm/s.

Specifically, the axial movement speed of the laser optical system is the rotational line of the first base of roll body in the step 32 The product of speed and default anilox roll line number.

Wherein, the axial movement speed of optical mirror slip rotation speed, roll body first base linear velocity and laser optical system It is the important parameter for making anilox roll recess portion 30 in this programme, different light beam spin revolving speeds is selected according to required anilox roll Just the linear velocity of base, anilox roll line number can produce different anilox rolls for degree parameter, roll body, wherein laser optical system The axial movement speed linear velocity of base and default anilox roll line number as at the beginning of roll body codetermine.

Traditional recess portion 30 formed using laser engraving ceramic layer 20 is V-type recess portion, and the depth of recess portion 30 and surface are straight The ratio of diameter is about 1:1, and obtained anilox roll is often that the volume of each of which recess portion 30 when line number is high becomes smaller, so that carrying ink amount It is low, influence printing quality.In the present solution, by control laser beam spinning, in particular optical eyeglass rotation speed, roll body In the axial movement speed of first base linear velocity and laser optical system, can form longitudinal cross-section is U-shaped recess portion 30, and Depth is deeper than 30 depth of recess portion of traditional V-shape, and the depth of recess portion 30 of formation and the ratio of its surface diameter can reach 3~ 5:1 (such as 4:1), be made anilox roll volume become larger so that carries ink measure it is higher.

Specifically, the surface of the ceramic layer 20 needs to smear hole sealing agent after completing grinding and polishing.

Hole sealing agent is used to carry out sealing of hole to the hole of coating, in the present embodiment, carries out for the hole to ceramic layer 20 Sealing of hole.

Any heat spraying method, the especially i.e. coating that is deposited of flame-spraying, are all that one kind has pore structure.It is overall For, coating porosity range is quite big.And when coating is exposed to atmosphere, steam, industrial atmosphere, chemically reactive substance, corrosion In gas and hot environment, hole introduces eroded elements, makes coating and matrix that chemistry or electrochemical etching occur, coating is caused to lose Effect, in such a case it is necessary to carry out sealing of hole to coating.

The type of hole sealing agent includes being air-dried type glyceride resin, being air-dried type phenolic resin, is aluminium vinyl, blunt Change zinc chromate, the phenolic resin of baking-type, asphaltic base aluminium paste, sial resin, be air-dried type silicone resin, baking-type polyimides Resin, Microcrystal paraffin etc..

In the present embodiment, the phenolic resin for selecting baking-type, it is heat-resist with good chemical stability.

Embodiment two

Referring to Fig. 1, a kind of production method of anilox roll, includes the following steps:

Step 1, production metal roll body 10: selection diameter is 150mm, and thickness of steel pipe is that the medium carbon steel steel pipe of 8mm passes through machine Tool finishes to form metal roll body 10；

Then grinding and polishing treatment are carried out to the surface of metal roll body 10.

Base at the beginning of step 2, roll body of the spraying ceramic coat formation in surface with ceramic layer 20 in metal roll body 10, the pottery Enamel coating 20 with a thickness of 0.020mm；Then to ceramic layer 20 carry out grinding and polishing treatment, complete grinding and polishing treatment after Smear hole sealing agent in the surface of ceramic layer 20.

Step 3 issues laser beam using light source, and laser beam passes through optical frames perpendicular to the direction incidence of optical mirror slip It is projected after piece with the angle for deviateing 1 ° of incident direction, the rotation speed of optical mirror slip is 2000r/min, while roll body just press by base The linear velocity of 1500mm/s is rotated around the axis of itself roll body, and laser optical system is as at the beginning of the speed of 4.5mm/s along roll body The axial movement of the axis of base, so that rotating with to form circular trace from the laser beam that optical mirror slip projects, at the beginning of roll body Engraving forms multiple circular grooves being continuously arranged, the multiple circular groove formation table being continuously arranged on the ceramic layer 20 of base Face shape is the recess portion 30 of hexagon, and then carves and form shape, recess portion 30 in the same size and in multiple row arrangement, the recess portion 30 in 10 axis angle angle of metal roll body be 60 °.

Step 4: at the beginning of the roll body after laser engraving, base surface is processed by shot blasting, ceramic anilox roller is made.

Embodiment three

Referring to Fig. 1, the utility model provides a kind of anilox roll, including metal roll body 10, it is attached to 10 table of metal roll body The ceramic layer 20 in face, the surface of the ceramic layer 20 are equipped with regular shape recess portion 30, and recess portion 30 is arranged in multiple row, the recess portion 30 Longitudinal cross-section is U-shaped.

Preferably, the metal roll body 10 generally selects Fine Steel Casting iron pipe as substrate.

Specifically, the ceramic layer 20 is to include one of aluminum oxide coating layer powder and chromium oxide coating powder or a variety of.

Specifically, the surface shape of the recess portion 30 is circle, in other embodiments, 30 surface of recess portion can be four Side shape, hexagon or prismatic etc..

Specifically, the recess portion 30 is made of a circular groove, the recess portion 30 is circular recess.

The recess portion 30 is made of multiple circular grooves being continuously arranged, and the recess portion 30 is polygonal recesses.

Traditional recess portion 30 formed using laser engraving ceramic layer 20 is V-type recess portion, and its inner wall is often uneven, The ratio of the V-type recess depths and its surface diameter is about 1:1, and such anilox roll is often each of which recess portion when line number is high 30 volume is just small, and it is low to carry ink amount, and carrying ink amount is an important factor for influencing printing quality.In the present embodiment, the reticulate pattern The recess portion 30 of roller is U-shaped recess portion, and U-shaped recess portion is deeper than traditional V-type recess depths, and 30 depth of recess portion being formed simultaneously and surface are straight The ratio of diameter can reach 3~5:1, and it is higher that the anilox roll prepared by carries ink amount.

When anilox roll screen density reaches 800LPI or so at present, anilox roll carries ink amount and necessarily reduces, when general 800LPI It is only 2.0BCM or so that practical anilox roll, which carries ink amount, and in the present embodiment, the anilox roll is under with high anilox roll line number There can be high anilox roll to carry ink amount, when anilox roll screen density reaches 800LPI, anilox roll, which carries ink amount, can reach 4~5BCM.

Specifically, the angle that it is 30 °, 45 ° or 60 ° with 10 axis angle of metal roll body that the recess portion 30, which is in, arranges.

Preferably, the recess portion 30 is in the angle arrangement for being 60 ° with 10 axis angle of metal roll body.

Specifically, the ceramic layer 20 with a thickness of 15~25mm.

Specifically, the surface of the ceramic layer 20 further includes sealing of hole layer.The sealing of hole layer is used for the hole to ceramic layer 20 Sealing of hole is carried out, hole is avoided to introduce eroded elements, makes ceramic layer 20 and metal roll body 10 that chemistry or electrochemical etching occur, causes Coating failure.

Specifically, the type of sealing of hole layer includes being air-dried type glyceride resin, being air-dried type phenolic resin, aluminium ethylene Resin, the phenolic resin of baking-type, asphaltic base aluminium paste, sial resin, is air-dried type silicone resin, baking-type at passivation zinc chromate Polyimide resin, Microcrystal paraffin etc..

In the present embodiment, it selects and is air-dried type phenolic resin, it is heat-resist with good chemical stability.

The foregoing is merely the preferable implementation examples of the utility model, are not intended to limit the utility model, it is all Within the spirit and principles of the utility model, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on Within the protection scope of type.

Claims (6)

1. a kind of anilox roll, which is characterized in that including metal roll body, be attached to the ceramic layer in metallic roll body surface face, the ceramics The surface of layer is equipped with regular shape recess portion, and recess portion is arranged in multiple row, and the longitudinal cross-section of the recess portion is U-shaped；The table of the ceramic layer Face is additionally provided with sealing of hole layer；The recess portion is in the angle arrangement for being 30 °, 45 ° or 60 ° with metallic roll body axis angle.

2. a kind of anilox roll according to claim 1, which is characterized in that the recess portion is made of a circular groove, institute It is rounded to state recess portion.

3. a kind of anilox roll according to claim 1, which is characterized in that the recess portion is recessed by multiple circles being continuously arranged Slot is constituted.

4. a kind of anilox roll according to claim 3, which is characterized in that the recess portion is in quadrangle or hexagon.

5. a kind of anilox roll according to claim 1, which is characterized in that the ceramic layer with a thickness of 15~25mm.

6. a kind of anilox roll according to claim 1, which is characterized in that the metal roll body is carbon steel tubing as substrate Manufactured roll body.