CN105172325A - Method for platemaking by using digitized changeable gravure printing plate roller - Google Patents
Method for platemaking by using digitized changeable gravure printing plate roller Download PDFInfo
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- CN105172325A CN105172325A CN201510743210.4A CN201510743210A CN105172325A CN 105172325 A CN105172325 A CN 105172325A CN 201510743210 A CN201510743210 A CN 201510743210A CN 105172325 A CN105172325 A CN 105172325A
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- piezoelectric ceramics
- gravure printing
- printing roller
- pcb board
- ink
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Abstract
The invention discloses a method for platemaking by using a digitized changeable gravure printing plate roller. The method comprises the following steps: (1) manufacturing a cylindrical roller; (2) manufacturing a curved-surface PCB (Printed Circuit Board) on the surface of the cylindrical roller; (3) cutting piezoelectric ceramic to form screen dots to be connected with the PCB; and (4) embedding a metal outer layer with the piezoelectric ceramic. According to the method disclosed by the invention, according to different light and shade layers of an original manuscript, the piezoelectric ceramic of each screen dot on a printing roller is controlled by a computer and is deformed, so that each screen hole meets depth requirements of different orders. The screen holes with different depths are formed in the different original manuscripts so that the step of repeatedly platemaking is saved.
Description
Technical field
The invention belongs to gravure application field, relate to the method for a kind of digitlization gravure printing roller plate-making, refer in particular to a kind of utilize ink cell variable depth, can the method for reusable digitlization gravure printing roller plate-making.
Background technology
Intaglio printing, as the one of typography, carrys out the level of displaying chart picture by the sunk depth of plate surface, recessed dark of areas, and the ink amount inserted is just many, and layer of ink is just thick, performance shadow; Recessed shallow of areas, the ink amount of accommodation is just few, and layer of ink is just thin, and performance to a high-profile.Because the depth of forme areas depression is different, the ink amount inserting ink cell has to have more to be lacked, and the layer of ink transferred on stock has thickly also to be had thin, makes the deep or light level on original copy obtain reproduction in printing.It is abundant that the gravure printing obtained like this has layer of ink, and third dimension is strong, levels are rich, the advantages such as precision is high, and texture is good.In addition, intaglio printing is applied widely with it, and advantages such as can printing on multiple stock, forme press resistance rate is high, print quality is stable, print speed printing speed is fast occupies and consequence in printing packaging and picture and text publishing area.
But, also there is limitation in intaglio printing, heliogravure mask-making technology flow process as traditional is: version of taking pictures → colour-separation drafting → layout → printing down → transferring → fill out → corrode → draw a design → justifying → chromium plating, its plate-making technology is complicated, and plate-making cost is high, and the cycle is long, be not suitable for the printing of a small amount of, diversified printed matter, clogged with ink easily occurs traditional print system or foreign material glue stifled problem, and ink not easily cleans up by common ink wash mode, and these deficiencies seriously hinder the development of intaglio printing.
Piezoelectric ceramics is a kind of ceramic material mechanical energy and electric energy can changed mutually, and when applying electric field in the polarised direction of piezoelectric ceramics, piezoelectric ceramics will deform, and after electric field removes, the change of piezoelectric ceramics disappears thereupon.Therefore, a kind of method that gravure printing roller utilizing the ink cell degree of depth arbitrarily to change carries out making a plate is significant to utilize the deformation of piezoelectric ceramics to develop.
Summary of the invention
The object of this invention is to provide a kind of utilize ink cell variable depth, can the method for reusable intelligent gravure printing roller plate-making, slow to overcome traditional gravure printing roller speed of production, forme Corrosion results is difficult to grasp and the deficiency such as prediction.
The technical solution adopted in the present invention is: a kind of method utilizing the variable gravure printing roller plate-making of digitlization, the variable gravure printing roller of described digitlization is cylinder cylinder, curved surface pcb board, piezoceramics layer, metal outer from the inside to the outside successively, described curved surface pcb board is connected with the piezoelectric ceramics of piezoceramics layer with host computer, and the ink cell data of host computer and control instruction are passed to piezoelectric ceramics; It is characterized in that, comprise the following steps:
Step 1: make hollow cylinder cylinder;
Step 2: carry out pcb board base board operation, internal layer circuit operation, outer-layer circuit operation, surface treatment, forming operation successively at cylinder cylinder surface, complete the preparation of curved surface pcb board;
Step 3: the piezoceramics layer making justifying on curved surface pcb board surface; First piezoelectric ceramics is cut into site size, non-site Partial Resection, the piezoelectric ceramics of residue site part forms bulge-structure, in the distribution of curved surface pcb board surface uniform, and is connected with curved surface pcb board at site part piezoelectric ceramics extraction electrode;
Step 4: make metal outer; Choose a kind of metal with excellent abrasive resistance and ductility, cut out the aperture of matrix type thereon, this aperture size shape all matches with protruding piezoelectric ceramics, the aperture of matrix type and the projection of piezoelectric ceramics are carried out seamless chimeric and closed by metal level by the ductility of recycling metal, jointly form the surface of gravure printing roller with piezoelectric ceramics;
Step 5: when gravure printing roller does not enter black groove, non-making alive on piezoelectric ceramics, is in the state concordant with gravure printing roller surface, and namely whole gravure printing roller surface is without ink cell; When the moment of black groove and ink contact is immersed on gravure printing roller surface, control the voltage of each piezoelectric ceramics: the non-graphic part of forme, piezoelectric ceramics keeps original state constant; And at printing elements, piezoelectric ceramics forms the ink cell of different depth under different voltage; Now form vacuum in ink cell part, ink is pressed into ink cell under atmospheric pressure;
Step 6: when needing to change original copy, form new ink cell data and control instruction according to new original text shade, host computer controls piezoelectric ceramics according to these data and instruction and again deformation occurs, and forms the ink cell corresponding with new original text and distributes, material is thus formed new forme.
As preferably, described cylinder cylinder is made by the pig iron or steel.
As preferably, described in step 3, piezoelectric ceramics is cut into site size, utilization be laser cutting method.
As preferably, the ductility of metal is utilized the aperture of matrix type and the projection of piezoelectric ceramics to be carried out in step 4 seamless chimeric and adopt welding manner to be closed by metal level.
Digitlization gravure printing roller of the present invention can print random length in circumferential direction printed matter and by print roller diameter restriction.Traditional print roller must determine size according to the breadth of printed matter, and this digitlization gravure printing roller can be designed to small diameter size, be not completely cured according to stock with print roller contact position to change the printed matter that ink cell information can print random length.
The present invention has the following advantages:
(1) according to the difference of original copy shade, can be controlled by the piezoelectric ceramics of computer to each site on the variable gravure printing roller of digitlization, make it that deformation occur, thus make each ink cell meet the depth requirements of different contrast;
(2) different original copys then generates the ink cell of different depth, eliminates the step repeating to make a plate.
(3) when outer layer metal is worn, only need change, and the pcb board of inside, piezoelectric ceramics etc. can also continue to use, and this reduces the cost of manufacture of the variable gravure printing roller of digitlization.
Accompanying drawing explanation
Fig. 1: be the gravure printing roller structural representation of the embodiment of the present invention.
Detailed description of the invention
Understand for the ease of those of ordinary skill in the art and implement the present invention, below in conjunction with drawings and Examples, the present invention is described in further detail, should be appreciated that exemplifying embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Ask for an interview Fig. 1, a kind of method utilizing the variable gravure printing roller plate-making of digitlization provided by the invention, the variable gravure printing roller of digitlization is cylinder cylinder 1, curved surface pcb board 2, piezoceramics layer 3, metal outer 4 from the inside to the outside successively, and cylinder cylinder 1 is made by the pig iron or steel; Curved surface pcb board 2 is connected with the piezoelectric ceramics of host computer with piezoceramics layer 3, and the ink cell data of host computer and control instruction are passed to piezoelectric ceramics; Comprise the following steps:
Step 1: make hollow cylinder cylinder 1;
Step 2: carry out pcb board base board operation, internal layer circuit operation, outer-layer circuit operation, surface treatment, forming operation successively on cylinder cylinder 1 surface, complete the preparation of curved surface pcb board 2;
Step 3: the piezoceramics layer 3 making justifying on curved surface pcb board 2 surface; What first utilize is laser cutting method, piezoelectric ceramics is cut into site size, non-site Partial Resection, the piezoelectric ceramics of residue site part forms bulge-structure, in the distribution of curved surface pcb board 2 surface uniform, and be connected with curved surface pcb board 2 at site part piezoelectric ceramics extraction electrode;
Step 4: make metal outer 4; Choose a kind of metal with excellent abrasive resistance and ductility, cut out the aperture of matrix type thereon, this aperture size shape all matches with protruding piezoelectric ceramics, the aperture of matrix type and the projection of piezoelectric ceramics are carried out seamless chimeric and adopt welding manner to be closed by metal level by the ductility of recycling metal, jointly form the surface of gravure printing roller with piezoelectric ceramics;
Step 5: when gravure printing roller does not enter black groove, non-making alive on piezoelectric ceramics, is in the state concordant with gravure printing roller surface, and namely whole gravure printing roller surface is without ink cell; When the moment of black groove and ink contact is immersed on gravure printing roller surface, control the voltage of each piezoelectric ceramics: the non-graphic part of forme, piezoelectric ceramics keeps original state constant; And at printing elements, piezoelectric ceramics forms the ink cell of different depth under different voltage; Now form vacuum in ink cell part, ink is pressed into ink cell under atmospheric pressure;
Step 6: when needing to change original copy, form new ink cell data and control instruction according to new original text shade, host computer controls piezoelectric ceramics according to these data and instruction and again deformation occurs, and forms the ink cell corresponding with new original text and distributes, material is thus formed new forme.
Digitlization gravure printing roller ink cell information of the present invention can constantly change, and therefore in the printing of following product, has outstanding advantage:
(1) printing of barcode with changeable, two-dimensional bar code.Change the bar code of the deformation printed data content-variable of piezoelectric ceramics according to the pattern of bar code, and size can be changed according to demand;
(2) anti-counterfeit printing.Each product prints different marks, makes it have a unique mark, then contrast with the content in database, false proof object can be reached;
(3) printing of personalized product.The appearance of the variable gravure printing roller of digitlization, will make the printing cost of personalized product significantly reduce.
Although this description more employs the term such as cylinder cylinder 1, curved surface pcb board 2, piezoceramics layer 3, metal outer 4 of crusing robot, do not get rid of the possibility using other terms.Use these terms to be only used to describe essence of the present invention more easily, the restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Should be understood that, the part that this description does not elaborate all belongs to prior art.
Should be understood that; the above-mentioned description for preferred embodiment is comparatively detailed; therefore the restriction to scope of patent protection of the present invention can not be thought; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that the claims in the present invention protect; can also make and replacing or distortion, all fall within protection scope of the present invention, request protection domain of the present invention should be as the criterion with claims.
Claims (4)
1. one kind utilizes the method for the variable gravure printing roller plate-making of digitlization, the variable gravure printing roller of described digitlization is cylinder cylinder (1), curved surface pcb board (2), piezoceramics layer (3), metal outer (4) from the inside to the outside successively, described curved surface pcb board (2) is connected with the piezoelectric ceramics of host computer with piezoceramics layer (3), and the ink cell data of host computer and control instruction are passed to piezoelectric ceramics; It is characterized in that, comprise the following steps:
Step 1: make hollow cylinder cylinder (1);
Step 2: carry out pcb board base board operation, internal layer circuit operation, outer-layer circuit operation, surface treatment, forming operation successively on cylinder cylinder (1) surface, complete the preparation of curved surface pcb board (2);
Step 3: the piezoceramics layer (3) making justifying on curved surface pcb board (2) surface; First piezoelectric ceramics is cut into site size, non-site Partial Resection, the piezoelectric ceramics of residue site part forms bulge-structure, in the distribution of curved surface pcb board (2) surface uniform, and is connected with curved surface pcb board (2) at site part piezoelectric ceramics extraction electrode;
Step 4: make metal outer (4); Choose a kind of metal with excellent abrasive resistance and ductility, cut out the aperture of matrix type thereon, this aperture size shape all matches with protruding piezoelectric ceramics, the aperture of matrix type and the projection of piezoelectric ceramics are carried out seamless chimeric and closed by metal level by the ductility of recycling metal, jointly form the surface of gravure printing roller with piezoelectric ceramics;
Step 5: when gravure printing roller does not enter black groove, non-making alive on piezoelectric ceramics, is in the state concordant with gravure printing roller surface, and namely whole gravure printing roller surface is without ink cell; When the moment of black groove and ink contact is immersed on gravure printing roller surface, control the voltage of each piezoelectric ceramics: the non-graphic part of forme, piezoelectric ceramics keeps original state constant; And at printing elements, piezoelectric ceramics forms the ink cell of different depth under different voltage; Now form vacuum in ink cell part, ink is pressed into ink cell under atmospheric pressure;
Step 6: when needing to change original copy, form new ink cell data and control instruction according to new original text shade, host computer controls piezoelectric ceramics according to these data and instruction and again deformation occurs, and forms the ink cell corresponding with new original text and distributes, material is thus formed new forme.
2. the variable gravure printing roller of digitlization according to claim 1, is characterized in that: described cylinder cylinder (1) is made by the pig iron or steel.
3. the variable gravure printing roller of digitlization according to claim 1, is characterized in that: described in step 3, piezoelectric ceramics is cut into site size, utilization be laser cutting method.
4. the variable gravure printing roller of digitlization according to claim 1, is characterized in that: utilize the ductility of metal the aperture of matrix type and the projection of piezoelectric ceramics to be carried out in step 4 seamless chimeric and adopt welding manner to be closed by metal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743210.4A CN105172325B (en) | 2015-11-05 | 2015-11-05 | It is a kind of to utilize the method for digitizing variable gravure printing roller plate-making |
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| CN201510743210.4A CN105172325B (en) | 2015-11-05 | 2015-11-05 | It is a kind of to utilize the method for digitizing variable gravure printing roller plate-making |
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| CN105172325A true CN105172325A (en) | 2015-12-23 |
| CN105172325B CN105172325B (en) | 2017-08-25 |
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| CN201510743210.4A Active CN105172325B (en) | 2015-11-05 | 2015-11-05 | It is a kind of to utilize the method for digitizing variable gravure printing roller plate-making |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391476A (en) * | 2020-04-28 | 2020-07-10 | 上海出版印刷高等专科学校 | Flexographic printing original edition with variable data |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4408615C2 (en) * | 1994-03-15 | 1996-01-11 | Roland Man Druckmasch | Cup roller within an application unit of a rotary printing press |
| DE19805123C1 (en) * | 1998-02-09 | 1999-04-15 | Windmoeller & Hoelscher | Roller or plug with replaceable sleeve |
| JP2005343051A (en) * | 2004-06-03 | 2005-12-15 | Oji Paper Co Ltd | Printing plate and printing method |
| CN101041309A (en) * | 2006-03-22 | 2007-09-26 | 曼·罗兰·德鲁克马辛伦公司 | Printing plate and printing unit of a printing press |
| CN101143505A (en) * | 2006-07-24 | 2008-03-19 | 曼·罗兰·德鲁克马辛伦公司 | Printing machine |
| US20150174891A1 (en) * | 2012-07-02 | 2015-06-25 | Rexam Beverage Can South America S.A. | Device for Printing Cans, A Process for Printing Cans, A Printed Can and A Transfer Blanket |
-
2015
- 2015-11-05 CN CN201510743210.4A patent/CN105172325B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4408615C2 (en) * | 1994-03-15 | 1996-01-11 | Roland Man Druckmasch | Cup roller within an application unit of a rotary printing press |
| DE19805123C1 (en) * | 1998-02-09 | 1999-04-15 | Windmoeller & Hoelscher | Roller or plug with replaceable sleeve |
| JP2005343051A (en) * | 2004-06-03 | 2005-12-15 | Oji Paper Co Ltd | Printing plate and printing method |
| CN101041309A (en) * | 2006-03-22 | 2007-09-26 | 曼·罗兰·德鲁克马辛伦公司 | Printing plate and printing unit of a printing press |
| CN101143505A (en) * | 2006-07-24 | 2008-03-19 | 曼·罗兰·德鲁克马辛伦公司 | Printing machine |
| US20150174891A1 (en) * | 2012-07-02 | 2015-06-25 | Rexam Beverage Can South America S.A. | Device for Printing Cans, A Process for Printing Cans, A Printed Can and A Transfer Blanket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391476A (en) * | 2020-04-28 | 2020-07-10 | 上海出版印刷高等专科学校 | Flexographic printing original edition with variable data |
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| CN105172325B (en) | 2017-08-25 |
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Effective date of registration: 20200806 Address after: 443000 Qingdao Road, Dongshan Development Zone, Yichang, Hubei Patentee after: HUBEI GOLDEN THREE GORGES PRINTING INDUSTRY Co.,Ltd. Address before: 430072 Hubei Province, Wuhan city Wuchang District of Wuhan University Luojiashan Patentee before: WUHAN University |
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