CN108430776A - Anilox roll for flexographic presses - Google Patents
Anilox roll for flexographic presses Download PDFInfo
- Publication number
- CN108430776A CN108430776A CN201680067607.9A CN201680067607A CN108430776A CN 108430776 A CN108430776 A CN 108430776A CN 201680067607 A CN201680067607 A CN 201680067607A CN 108430776 A CN108430776 A CN 108430776A
- Authority
- CN
- China
- Prior art keywords
- region
- anilox roll
- volume
- recess
- unit area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F5/00—Rotary letterpress machines
- B41F5/24—Rotary letterpress machines for flexographic printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/027—Ink rail devices for inking ink rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/26—Construction of inking rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Methods (AREA)
- Rotary Presses (AREA)
Abstract
The present invention relates to a kind of flexographic presses for the printed coating material in substrate, the wherein described flexographic presses are at least made of print drum, molding cylinder, anilox roll (4) and color applicator for providing coating material, and wherein the surface of anilox roll (4) has multiple recess or pitting for being used to accommodate coating material.According to the present invention, the surface of anilox roll (4) is divided into the region (5,6.1,6.2) of at least three annulars along the longitudinal direction, wherein each region all has the designated volume of all recess of per unit area reticulate pattern roller surface, and a region has the first volume of all recess of per unit area reticulate pattern roller surface, and another region has the second volume of all recess of per unit area reticulate pattern roller surface, wherein, first volume and second volume difference.
Description
The present invention relates to a kind of flexographic presses for the printed coating material in substrate, wherein flexographic presses
At least by print drum, molding cylinder, anilox roll (Rasterwalze) and color applicator for providing coating material
(Farbwerk), wherein the surface of anilox roll has multiple recess or pitting for accommodating coating material
This flexographic presses are well known in the art, and have for many years been used in different base very much certainly
Upper printed coating material.This substrate is, for example, paper, plastic film, cardboard, fabric or packaging material with rough surface.
Corresponding coating material is, for example, ink or paint, such as can be painted by the paint of ultraviolet curing, so-called UV.Universal flexible version prints
Brush machine is for example known from the document " Handbuch der Printmedien " of H.Kipphan, Springer Verlag 2000.
However, when using the flexographic presses of the prior art to print higher grams or number on plastic film breadth
When the UV paints of amount, it may appear that problem, i.e. UV paint are formed small raised (Wulst) in the edge of molding cylinder.UV with protrusion is painted
It is transferred on film breadth, is then at least partially cured by the ultraviolet radioactive of UV source.Therefore, exist on film breadth
One layer of UV paint, wherein at the paint arris of UV paints, exactly the edge of the UV enamelled coatings on film breadth enamelled coating most
There are convex elevated portions for external left hand edge or right edge.If the film web roll is wound on roller bearing or spool
(Spule) on, then multiple layers of film breadth and multiple protrusions in turn are stacked in film roll so that film roll is at lateral edges
With than the diameter in middle bigger.This causes particularly disadvantageously, and film and UV are painted at the lateral edges of film breadth by mistake
Degree stretch and thus make UV paint fall off or film by protrusion cut.
Therefore, the technical problem to be solved by the present invention is to develop a kind of general flexographic presses, to eliminate existing skill
The defect of art.
The technical problem is solved by the feature of independent claims.The extended mode of the present invention is dependent claims
Technical solution.
According to the present invention, the surface of anilox roll is divided at least three annular regions along longitudinal direction, and each region all has often
The designated volume of all recess of unit area reticulate pattern roller surface, and a region has per unit area reticulate pattern roller surface
First volume of all recess and another region have the second volume of all recess of per unit area reticulate pattern roller surface, wherein
First volume and second volume difference.
Within the scope of the invention, annular refers to that these regions include the whole circumference of reticulate pattern roller surface and have certain
Width.The shape in these regions is also described as cylinder (or cylinder) herein.Within the scope of the invention, reticulate pattern roller surface
The only cover of anilox rollRather than the two of anilox roll sides or end face.
Recess or pitting in reticulate pattern roller surface are respectively provided with certain depth and certain area so that each recess is respectively formed
Designated volume for accommodating printing material.In a region, all recess all have identical depth and area, and then have
There is identical volume, and with same apart from mutual arrangement.Therefore, in the region, the institute in the unit area of reticulate pattern roller surface
There is recess to all have specific total volume.For example, in 1 square centimeter of the region of unit area, on the surface of anilox roll
Middle body product is respectively 0.5mm35 recess, therefore all recess of per unit area reticulate pattern roller surface in the region
Volume is 5x 0.5mm3=2.5mm3.It is applicable in herein, the smaller size smaller of all recess of per unit area reticulate pattern roller surface is comparable
The larger volume of all recess of per unit area reticulate pattern roller surface accommodates less coating material.
According to the present invention, therefore its desired amount of coating material is supplied in each region in reticulate pattern roller surface.Make us
Surprisingly it has been found that can be avoided at the arris of molding cylinder by the different volumes of the recess of the different zones of per unit area
With so UV paint paint arris at form small protrusion.
It is provided according to preferred embodiment, the volume of all recess of per unit area reticulate pattern roller surface is in anilox roll
In region at the heart than in the region of the edge of anilox roll bigger.Therefore, in net in the region of the edge of anilox roll
Coating material is than less in the region at the center of anilox roll present on the surface of line roller.This particularly preferably causes,
The coating material present in the region of paint arris or UV paints are painted less than the UV present in adjacent area, to particularly effectively
Inhibit the formation of the protrusion in the region of paint arris.
It is provided according to preferred embodiment, the surface of anilox roll is divided at least five regions along the longitudinal direction, wherein often
The volume of all recess of unit area reticulate pattern roller surface is in the region at the center of anilox roll and in the edge of anilox roll
Than the smaller in region between the two.Usually there is weldering at the center on anilox roll, the surface of molding cylinder or print drum
Seam, the soldered form the elevated portion on corresponding surface and have been similarly formed protrusion herein.Due to according to this hair
The volume of all recess in region at the bright center for reducing anilox roll in the reticulate pattern roller surface of unit area, therefore can be with
Compensate or inhibit the protrusion.
Certainly, the surface of anilox roll can also be divided into five or more regions along the longitudinal direction.In addition, each in anilox roll
Transition part between a region can extraly be equipped with smooth transition regionTo further smooth the transition part
Or generate the region of continuous mutually transition.These smooth transition regions are particularly preferably formed by the region narrower than peripheral region,
In this region the volume of all recess of per unit area reticulate pattern roller surface by peripheral region per unit area anilox roll
The average value of the volume of all recess on surface obtains.
It is especially printed in such substrate using flexographic presses according to the present invention, the substrate is as safety member
Part is used to increase anti-fake protection to valuable document, especially as false-proof film or anti-counterfeiting line be used for banknote, stock, bond,
Other anti-forge papers of certificate, voucher, check, high value admission ticket and passport and other documentary evidences etc., and such as
The card of credit or debit card etc., and also have the product false proof element of label, seal and packaging etc..
It is above mentioned and will be explained below it should be understood that without departing from the scope of the invention
Feature can not only be used with specific combination, but also can be applied in combination with other, as long as this is by the protection model of claim
It encloses and covers.
Advantages of the present invention is explained according to following embodiment and supplement attached drawing.These embodiments represent preferred implementation
Mode, however, the present invention certainly should not necessarily be limited to these embodiments.In addition, diagram in attached drawing in order to be better understood from but
It is very schematical, do not reflect real case.In particular, ratio shown in attached drawing does not meet relationship present in reality simultaneously
And it is only used for improving clarity.In addition, for the sake of clarity, the embodiment described in the examples below is reduced to substantially
Core information.In actual implementation, much more complex pattern or image can be used.
Schematically it is shown specifically：
Fig. 1 be from the side view of flexographic presses known in the art,
Fig. 2 is the oblique front view of the first embodiment of anilox roll according to the present invention,
Fig. 3 is the oblique front view of the second embodiment of anilox roll according to the present invention.
Fig. 1 shows known for the flexographic presses of printed coating material on the base 1 from the prior art
Side view.Flexographic presses are herein by print drum 2, molding cylinder 3, anilox roll 4 and coloring for providing coating material
Device 5 is constituted.Substrate 1 is for example made of plastic film breadth, which is directed in the direction of the arrow with hard
The print drum 2 on matter surface and with elastic surface molding cylinder 3 between gap in.Have on the surface of molding cylinder 3
Printing material, such as UV paints, the printing material are provided by color applicator 5 and are transferred to molding cylinder 3 via anilox roll 4
On.The surface of anilox roll 4 has multiple recess or pitting for accommodating coating material, and its task is to be approximately uniformly
It is molded the printing material that cylinder 3 provides the amount of determination.
Fig. 2 shows the first embodiment of anilox roll 4 according to the present invention with oblique forward sight, surface along the longitudinal direction by
It is divided into three annular regions 5,6.1 and 6.2.Region 5 has all recess on 4 surface of anilox roll of per unit area herein
First volume, and region 6.1 and 6.2 is respectively provided with the second volume of all recess on 4 surface of anilox roll of per unit area.
In this embodiment, the first volume be more than the second volume so that on the surface of anilox roll 4 in region 6.1 and 6.2 ratio in region
There are less UV paints in 5.
For example, in region 5 there are grammes per square metre be 4g/m2UV paint, in region 6.1 and 6.2 there are grammes per square metre be 2g/m2's
UV is painted.
Fig. 3 shows the second embodiment of anilox roll 4 according to the present invention with oblique forward sight, wherein the embodiment with Fig. 2
It compares, the intermediate arrangement in region 5 has another region 7 so that the surface of anilox roll 4 is divided into 5 regions in total.In region
It is because two separately fabricated components of anilox roll 4 border and weld together each other herein there are soldered in 7.It should
Soldered slightly stretches out the surface of anilox roll 4.
There is the third volume of all recess of per unit area reticulate pattern roller surface, the third volume to be different from area in region 7
First and second volumes in domain 5,6.1 and 6.2.For example, there are grammes per square metre 1.5g/m in region 72UV paint.Therefore, in reticulate pattern
On the surface of roller 4, than there are less UV paints in peripheral region in region 7 so that the elevated portion caused by soldered is again
It is secondary to be compensated and elevated portion do not occur on the surface of UV paints.
Claims (3)
1. a kind of flexographic presses for the printed coating material in substrate, wherein the flexographic presses are at least by printing
Brush cylinder, molding cylinder, anilox roll and the color applicator for providing coating material are constituted, and wherein the surface of anilox roll has more
A recess for accommodating coating material, which is characterized in that the surface of anilox roll is divided at least three annulars along the longitudinal direction
Region, wherein each region all has the designated volume of all recess of per unit area reticulate pattern roller surface, and an area
Domain has the first volume of all recess of per unit area reticulate pattern roller surface, and another region has per unit area reticulate pattern
Second volume of all recess of roller surface, wherein first volume and second volume difference.
2. flexographic presses according to claim 1, which is characterized in that per unit area reticulate pattern roller surface it is all recessed
Sunken volume bigger than in the region of the edge of anilox roll in the region at the center of anilox roll.
3. flexographic presses according to claim 1, which is characterized in that the surface of anilox roll is divided into along the longitudinal direction
At least five regions, wherein the volume of all recess of per unit area reticulate pattern roller surface is in the region at the center of anilox roll
It is in smaller in region between the two in the edge of anilox roll ratio.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015015377.3A DE102015015377A1 (en) | 2015-11-27 | 2015-11-27 | Anilox roller for a flexographic printing machine |
| DE102015015377.3 | 2015-11-27 | ||
| PCT/EP2016/001924 WO2017088966A1 (en) | 2015-11-27 | 2016-11-18 | Anilox roller for a flexographic printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108430776A true CN108430776A (en) | 2018-08-21 |
Family
ID=57389367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680067607.9A Pending CN108430776A (en) | 2015-11-27 | 2016-11-18 | Anilox roll for flexographic presses |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108430776A (en) |
| DE (1) | DE102015015377A1 (en) |
| WO (1) | WO2017088966A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0445661A1 (en) * | 1990-03-07 | 1991-09-11 | KURT ZECHER GmbH | Ink transfer roller |
| DE19847108C2 (en) * | 1998-10-13 | 2002-10-24 | Windmoeller & Hoelscher | anilox roller |
| EP1466729A2 (en) * | 2003-04-09 | 2004-10-13 | Maschinenfabrik WIFAG | Cylinder for a printing machine and process for producing of cylinder |
| DE102007044757A1 (en) * | 2006-10-13 | 2008-04-17 | Heidelberger Druckmaschinen Ag | Screen roller for anilox-printing unit of printing machine, has screen structure comprising slots, where gravure volume of slots at middle section of roller is larger than gravure volume of slots at end section of roller |
| CN104487920A (en) * | 2012-05-04 | 2015-04-01 | 尤尼皮克塞尔显示器有限公司 | Manufacturing of high resolution conductive patterns using organometallic ink and banded anilox rolls |
| CN105073425A (en) * | 2013-04-04 | 2015-11-18 | 小森公司 | Ink-feeding roller and manufacturing method therefor |
-
2015
- 2015-11-27 DE DE102015015377.3A patent/DE102015015377A1/en not_active Withdrawn
-
2016
- 2016-11-18 CN CN201680067607.9A patent/CN108430776A/en active Pending
- 2016-11-18 WO PCT/EP2016/001924 patent/WO2017088966A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0445661A1 (en) * | 1990-03-07 | 1991-09-11 | KURT ZECHER GmbH | Ink transfer roller |
| DE19847108C2 (en) * | 1998-10-13 | 2002-10-24 | Windmoeller & Hoelscher | anilox roller |
| EP1466729A2 (en) * | 2003-04-09 | 2004-10-13 | Maschinenfabrik WIFAG | Cylinder for a printing machine and process for producing of cylinder |
| DE102007044757A1 (en) * | 2006-10-13 | 2008-04-17 | Heidelberger Druckmaschinen Ag | Screen roller for anilox-printing unit of printing machine, has screen structure comprising slots, where gravure volume of slots at middle section of roller is larger than gravure volume of slots at end section of roller |
| CN104487920A (en) * | 2012-05-04 | 2015-04-01 | 尤尼皮克塞尔显示器有限公司 | Manufacturing of high resolution conductive patterns using organometallic ink and banded anilox rolls |
| CN105073425A (en) * | 2013-04-04 | 2015-11-18 | 小森公司 | Ink-feeding roller and manufacturing method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015015377A1 (en) | 2017-06-01 |
| WO2017088966A1 (en) | 2017-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180821 |
|
| RJ01 | Rejection of invention patent application after publication |