CN102529339B - Punctiform ceramic anilox roll and production method thereof - Google Patents
Punctiform ceramic anilox roll and production method thereof Download PDFInfo
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- CN102529339B CN102529339B CN201110391002.4A CN201110391002A CN102529339B CN 102529339 B CN102529339 B CN 102529339B CN 201110391002 A CN201110391002 A CN 201110391002A CN 102529339 B CN102529339 B CN 102529339B
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Abstract
The invention discloses a punctiform ceramic anilox roll and a production method thereof. The anilox roll comprises a metal roll body and a ceramic layer adhered to the surface of the metal roll body. A plurality of protruding points are formed on the surface of the ceramic layer and are arranged in multiple columns, and an included angle formed by each column of the protruding points and the axis of the metal roll body is 45 degrees. The engraving process of the manufacture method is finished by mainly adopting two beams of lasers offsetting one after another. Compared with the prior art, the ceramic anilox roll is good in releasing performance of printing ink and easy to clean. After the net wall is opened up, the anilox roll with high line numbers can meet requirements of printing for large load ink quantity, solves the problem of needle holes on printed matter when printing is performed on site, is used for a high-precision coating machine and capable of effectively preventing an air adsorption layer from influencing coating effects and preventing the printed matter from having uneven phenomena of hard spots, ripples and the like, and can reduce line abrasion of the roll surface caused by foreign particles and prolong service life.
Description
Technical field
The present invention relates to a kind of core component of printing machine, be specifically related to a kind of point-like ceramic anilox roller and preparation method thereof.
Background technology
Printing results from nineteen thirties by anilox roll, initial anilox roll is mainly to make with metal material, on metal roll surface, process the mesh of rectangular pyramid shape by electronic engraving or mechanical presses method, it has solved the defect of rubber roll ink transfer poor performance, printing machine ink spreader is greatly simplified, the uniformity of ink transfer improves a lot, but still exist mesh more coarse, can only make the net roller of low line number, screen density is generally no more than 300 line/inches, and metal roll surface exists the defects such as hardness is not high, not wear-resisting.After nineteen seventies, along with heat plasma spraying technology and laser processing technology reach its maturity, ceramic anilox roller has replaced most of metallic roll, it is mainly to adopt heat plasma spraying coating process, on metal roll surface, form ceramic layer, ceramic roll surface is carried out to lithography with laser processing technology, complete the engraving of mesh shape.Common laser engraving mesh shape has 60 ° of honeycombs, 30 ° of honeycombs, 45 ° of rhombuses.
Ceramic anilox roller have wearability good, can carve up to the advantage such as 1500 line/inches even higher netting twine, ink transfer be even, but along with the development of printing industry, the ceramic anilox roller of above-mentioned pass exposes following defect gradually:
One, on ceramic anilox roller, each mesh periphery has ceramic leader and adjoining cells to separate, make the volume of each mesh in closed state, in the time that ceramic anilox roller rotates, this part roll surface more than ink liquid level can drive and be attached to its surperficial thin layer air and enter ink, a small amount of air is sent in the mesh that periphery sealed by leader together with ink, the air of bringing into cannot be escaped from mesh, in the time that mesh contacts with stock, the ink that contains a small amount of air is transferred to stock surface, owing to there being air to exist in China ink, cause China ink layer to be difficult to levelling, cause that coating is inhomogeneous, " pit " phenomenon is serious, affect printing quality,
Two, closed mesh is to form with pulse laser beam engraving, and mesh bottom is sharper, and inwall is uneven, causes the ink at the bottom of hole to be difficult for shifting away, easily dries up in mesh, is difficult to cleaning;
Three, after corrugated case on seal machine, often because of cardboard or ink, to remove hard point not thorough, and hard point is brought into, is stuck between doctor and roll surface, and closed mesh scratch resistance is poor, easily causes the local lines that wear and tear that produce of roll surface, affects the service life of ceramic anilox roller;
Four, closed mesh-structured some ink that easily causes in press produces " flying China ink ", " water ripples " phenomenon, affects print quality and stability.
Summary of the invention
For the deficiencies in the prior art, one of object of the present invention is, a kind of point-like ceramic anilox roller is provided, and it can effectively improve printing quality, and has longer service life.
Two of object of the present invention is, a kind of preparation method of above-mentioned point-like anilox roll is provided.
For achieving the above object one, the present invention adopts following technical scheme:
Point-like ceramic anilox roller, comprises metal roll body, is attached to the ceramic layer of metallic roll surface, and ceramic layer surface engraving forms multiple salient points, and the plurality of salient point is multiple row to be arranged, and each row is 45 degree with the angle of metallic roll body axis.
For achieving the above object two, the present invention adopts following technical scheme:
The preparation method of above-mentioned point-like anilox roll, comprises the steps:
Step 1, making metal roll body;
Step 2, grinding is carried out in the surface of metal roll body;
Step 3, at the surface spraying ceramic layer of the metal roll body through grinding, polishing;
Step 4, grinding, polishing are carried out in the surface of ceramic layer, make just base of roll body;
Step 5, carry out laser engraving, this step comprises:
Step 5.1, send two light beam A, B by laser instrument and irradiate the just ceramic layer of base of roll body; Light beam A is greater than the diameter of light beam B at the hot spot b of just base surface formation of roll body at the diameter of the hot spot a of just base surface formation of roll body, adjusts light beam B, and the center of circle of hot spot b and the hot spot a center of circle are departed from, and hot spot b is positioned at hot spot a;
The size of step 5.2, adjustment hot spot b, makes its diameter identical with hot spot a;
Step 5.3, around the just just base of axis uniform rotation roll body of base of roll body, meanwhile, along roll body just the axis of base move laser instrument, light beam A, B are successively carved on ceramic layer surface.
After step 5 completes, also need to enter following steps:
Step 6: the roll body after engraving is just carried out to polishing in base surface, make point-like anilox roll.
After step 4 completes, before carry out step 5, also need to carry out following steps:
Smearing hole sealing agent through the ceramic layer surface of grinding, polishing.
Beneficial effect of the present invention is:
Than prior art, the ink release performance of ceramic anilox roller of the present invention is good, and anilox roll is easily cleaned; After leader is got through, the anilox roll of high line number can realize the demand of printing to quantity and large ink-loading; While having solved field printing, in printing, there is the problem of " pin hole "; For high accuracy coating machine, can effectively prevent the impact of air adsorption layer on Painting effect, prevent that non-uniform phenomenons such as " pits " and " water ripples " from appearring in printing; Can reduce because foreign particle causes roll surface and produce wearing and tearing lines, extend anilox roll service life.
Brief description of the drawings
Fig. 1 is the bump structure schematic diagram of a kind of ceramic anilox roller of the present invention;
Fig. 2 is the hot spot schematic diagram of setting foot-point in preparation method of the present invention;
Fig. 3 is the formation schematic diagram of preparation method bumps of the present invention;
Fig. 4 is the engraving schematic diagram in preparation method of the present invention.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the present invention is described further:
As shown in Figure 1, be a kind of ceramic anilox roller of the present invention, comprise metal roll body, be attached to the ceramic layer of metallic roll surface, ceramic layer surface forms multiple salient points, and the plurality of salient point is multiple row to be arranged, and each row is 45 degree with the angle of metallic roll body axis.
Above-mentioned ceramic anilox roller, can adopt processing and fabricating with the following method:
Step 1, making metal roll body;
Step 2, grinding is carried out in the surface of metal roll body;
Step 3, at the surface spraying ceramic layer of the metal roll body through grinding, polishing;
Step 4, grinding, polishing are carried out in the surface of ceramic layer, make just base of roll body;
Step 5, as shown in Figure 2,3, 4, carries out laser engraving, and this step specifically comprises the steps:
Step 5.1, send two light beam A, B by laser instrument and irradiate the just ceramic layer of base of roll body, light beam A is greater than the diameter of light beam B at the hot spot b of just base surface formation of roll body at the diameter of the hot spot a of just base surface formation of roll body, adjust light beam B, the center of circle and the hot spot a center of circle deviation distance d that make hot spot b, hot spot b is positioned at hot spot a;
The size of step 5.2, adjustment hot spot b, makes its diameter identical with hot spot a;
Step 5.3, around the just just base of axis uniform rotation roll body of base of roll body, meanwhile, along roll body just the axis of base move laser instrument, light beam A, B are successively carved on ceramic layer surface;
Wherein G is the run trace of light beam A, B, and T region is the final salient point forming, and the leader in H region is got through.In this step 6, after light beam A engraving, make H region lower than T region, after light beam B is offset to the right with respect to light beam A and carves, make carved lower in H region, and in the time that light beam B carves, T part in region can be carried out secondary remelting by Ear Mucosa Treated by He Ne Laser Irradiation, thereby make the hardness of the final salient point forming of region T higher.In this step, for the control of the mesh degree of depth, need to, by focal length, the power etc. of laser because usually controlling, completing once after engraving, can detect the height of salient point, from detecting the degree of depth obtaining, carry out suitable adjusting above-mentioned parameter, to change the height of salient point.
Step 6: the roll body after engraving is just carried out to polishing in base surface, make point-like anilox roll.
After step 4 completes, before carry out step 5, also need to carry out following steps:
Smearing hole sealing agent through the ceramic layer surface of grinding, polishing.
More than describing, is only preferred embodiment of the present invention, and those skilled in the art can thought according to the present invention make corresponding change, within these changes all should fall into the protection domain of the claims in the present invention book.
Claims (3)
1. the preparation method of point-like anilox roll, point-like ceramic anilox roller comprises metal roll body, is attached to the ceramic layer of metallic roll surface, ceramic layer surface engraving forms multiple salient points, the plurality of salient point is multiple row and arranges, each row is 45 degree with the angle of metallic roll body axis, it is characterized in that, this preparation method comprises the steps:
Step 1, making metal roll body;
Step 2, grinding is carried out in the surface of metal roll body;
Step 3, at the surface spraying ceramic layer of the metal roll body through grinding, polishing;
Step 4, grinding, polishing are carried out in the surface of ceramic layer, make just base of roll body;
Step 5, carry out laser engraving, this step comprises:
Step 5.1, send two light beam A, B by laser instrument and irradiate the just ceramic layer of base of roll body; Light beam A is greater than the diameter of light beam B at the hot spot b of just base surface formation of roll body at the diameter of the hot spot a of just base surface formation of roll body, adjusts light beam B, and the center of circle of hot spot b and the hot spot a center of circle are departed from, and hot spot b is positioned at hot spot a;
The size of step 5.2, adjustment hot spot b, makes its diameter identical with hot spot a;
Step 5.3, around the just just base of axis uniform rotation roll body of base of roll body, meanwhile, along roll body just the axis of base move laser instrument, light beam A, B are successively carved on ceramic layer surface.
2. preparation method as claimed in claim 1, is characterized in that, after step 5 completes, also needs to enter following steps:
Step 6: the roll body after engraving is just carried out to polishing in base surface, make point-like anilox roll.
3. preparation method as claimed in claim 1, is characterized in that, after step 4 completes, before carry out step 5, also needs to carry out following steps:
Smearing hole sealing agent through the ceramic layer surface of grinding, polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110391002.4A CN102529339B (en) | 2011-11-30 | 2011-11-30 | Punctiform ceramic anilox roll and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110391002.4A CN102529339B (en) | 2011-11-30 | 2011-11-30 | Punctiform ceramic anilox roll and production method thereof |
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| CN102529339A CN102529339A (en) | 2012-07-04 |
| CN102529339B true CN102529339B (en) | 2014-06-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105886997B (en) * | 2015-01-26 | 2018-03-13 | 上海工程技术大学 | A kind of printing machine anilox roll preparation method based on plasma spray technology |
| CN109109457B (en) * | 2018-08-03 | 2022-05-24 | 常州龙润激光科技有限公司 | Anilox roll and manufacturing method thereof |
| CN109536869A (en) * | 2018-12-24 | 2019-03-29 | 广东省新材料研究所 | A kind of cermet anilox roll and preparation method thereof |
| CN112046129B (en) * | 2020-08-14 | 2022-05-20 | 九江运城制版有限公司 | High-precision machining device and method for gravure roller |
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| US4301730A (en) * | 1977-09-29 | 1981-11-24 | Pamarco Incorporated | Anilox roll and method of making the same |
| CN100425444C (en) * | 2006-12-30 | 2008-10-15 | 广州有色金属研究院 | Method for producing ceramic anilox roll with less line quantity and large ink-loading capacity |
| CN101367292A (en) * | 2008-10-13 | 2009-02-18 | 广东光泰激光科技有限公司 | Pretreatment method for ceramic mesh line roll |
| CN201889961U (en) * | 2010-11-11 | 2011-07-06 | 上海运城制版有限公司 | Line-shaped lattice-point ceramic overlapping curve roller |
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Owner name: GUANGDONG BRIGHTAS LASER SCIENCE + TECHNOLOGY CO., Free format text: FORMER OWNER: GUANGZHOU BRIGHTAS LASER SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20140504 |
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Effective date of registration: 20140504 Address after: 510000, Guangdong, Guangzhou province Tianhe District Tianhe eastern suburbs Industrial Park Construction Road No. 8 first floor Applicant after: GuangDong Brightas Laser Science & Technology Co., Ltd. Address before: 510000 Guangdong province Guangzhou Nanxiang high tech Industrial Development Zone, Road No. 62 building Applicant before: Guangzhou Brightas Laser Science & Technology Co.,Ltd. |
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