CN102358076A - Intaglio printing device and manufacturing method thereof - Google Patents
Intaglio printing device and manufacturing method thereof Download PDFInfo
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- CN102358076A CN102358076A CN2011102787855A CN201110278785A CN102358076A CN 102358076 A CN102358076 A CN 102358076A CN 2011102787855 A CN2011102787855 A CN 2011102787855A CN 201110278785 A CN201110278785 A CN 201110278785A CN 102358076 A CN102358076 A CN 102358076A
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Abstract
The invention discloses an intaglio printing device, which comprises an intaglio roller and an ink scrapping blade, wherein the ink scrapping blade is matched with the surface of the intaglio roller. An end part of at least one of the intaglio roller and the ink scrapping blade has an end part slope extending along the axial direction of the intaglio roller, thereby leaving a preset distance between the intaglio roller and the ink scrapping blade at the end. A stress applied to the ink scrapping blade is relieved, thereby being difficult to cause a crevasse, obviously reducing the possibility of attaching printing ink to the ink scrapping blade, obviously reducing the possibility of generating printing waste caused by the printing ink thrown onto a printed product, obviously promoting the quality of the printed product and obviously reducing the working strength of an inspector. After the damaged rate of the ink scrapping blade is reduced, the frequency of halting, overhauling and replacing the intaglio printing device is obviously reduced and the printing efficiency is promoted. The use cost of the ink scrapping blade can be lowered by reducing the frequency of replacing the ink scrapping blade, thereby reducing the intaglio printing cost. The invention also provides a manufacturing method for the intaglio printing device.
Description
Technical field
The present invention relates to the intaglio printing field, particularly relate to a kind of gravure printing apparatus.In addition, the invention still further relates to a kind of preparation method of utilizing above-mentioned gravure printing apparatus.
Background technology
Advantages such as intaglio printing is a kind of as typography, and is real, bright-colored with its printing product China ink bed thickness, that saturation degree is high, the forme press resistance rate high, print quality is stable, print speed printing speed is fast occupy extremely important status in printing packaging and picture and text publishing area.
Intaglio printing is called for short gravure, is four big mode of printings a kind of mode of printings wherein.Intaglio printing is a kind of direct printing process, and it is imprinted directly into printing ink contained in the intaglio plate pit on the stock, and the forme of intaglio printing is by forming with the surface of corresponding pit of original copy picture and text and forme one by one.During printing, printing ink is filled in the pit, and the printing ink on forme surface is wiped off with doctor, and forme contacts with certain pressure with stock, and the printing ink in the pit is transferred on the stock, accomplishes printing.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the operation principle sketch map of gravure printing apparatus in the prior art; Fig. 2 is the partial enlarged drawing of A part among Fig. 1.
Find that in use because perpendicular end surface Long contact time under the state of certain pressure of doctor 11 and gravure printing roller 12, doctor 11 because of the shearing force that receives cut 111 takes place easily; Printing ink can be adhered in position at cut 111; " being got rid of " is easy to produce spoilage to the article of undertaking the printing of along with the high speed rotation of gravure printing roller 12, and the reviewer need endure strict scrutiny to printed matter; Can guarantee the quality of printed matter, increase reviewer's working strength.
Get rid of China ink in order to reduce doctor 11, improve the printing quality of printed matter, the existing conventional solution is the doctor 11 that more renews; But change doctor 11 and certainly will cause shutdown; Both increased the expense of printing, and reduced printing efficiency again, and increased the cost of intaglio printing virtually.
Therefore, how reducing doctor and get rid of China ink, improve the printing quality and the printing efficiency of printed matter, reduce printing cost, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of gravure printing apparatus, doctor was difficult for producing cut when this gravure printing apparatus cooperated, and got rid of China ink thereby effectively reduce doctor, improved printing quality and printing efficiency, reduced printing cost.Another object of the present invention provides the preparation method of above-mentioned gravure printing apparatus.
For realizing the foregoing invention purpose; The present invention provides a kind of gravure printing apparatus; Comprise gravure printing roller and with the doctor of the surface engagement of said gravure printing roller; At least one end of said gravure printing roller and said doctor has the axially extended end chamfer along said gravure printing roller, so that said gravure printing roller and said doctor locate to have predetermined distance in said end.
Preferably, the end chamfer of said gravure printing roller is 5-20mm along the length range of said axial direction.
Preferably, the angular range of the end chamfer of said gravure printing roller and longitudinal center line is the 1-6 degree.
The present invention also provides a kind of preparation method of gravure printing apparatus, may further comprise the steps:
Make satisfactory version roller stock;
Press predetermined length L1, predetermined angular a1 roughly grinds the slope, end, inspection space of a whole page quality laggard electroplating;
Press predetermined length L2, predetermined angular a2 finish grindes the slope, end, and delivers to electricity carving.
Preferably, the scope of said predetermined length L1 is that the scope of 6-22mm, predetermined angular a1 is the 0.5-5 degree.
Preferably, the scope of said predetermined length L2 is that the scope of 5-20mm, predetermined angular a2 is the 1-6 degree.
Gravure printing apparatus provided by the present invention; Comprise gravure printing roller and with the doctor of the surface engagement of said gravure printing roller; At least one end of said gravure printing roller and said doctor has the axially extended end chamfer along said gravure printing roller, so that said gravure printing roller and said doctor locate to have predetermined distance in said end.During the gravure printing roller printing; Doctor directly acts on edition roller; The end of axial direction of version roller is provided with the inclined-plane, and the compressing degree between the end that makes doctor and the end surface of edition roller axially reduces along the version roller gradually, and thrust between the two also reduces vertically gradually.Like this; The stress that doctor receives is eased; Be not easy to occur cut, the possibility of adhering to printing ink on the doctor obviously reduces, and printing ink is thrown to the article of undertaking the printing of goes up the also obviously reduction of probability that produces spoilage; Thereby the quality of print product is improved significantly, and reviewer's working strength obviously improves.
Simultaneously, after the breakage rate of doctor reduced, the frequency that the maintenance of gravure equipment downtime is changed can significantly reduce, and printing efficiency is improved; And the replacing frequency that reduces doctor can also reduce the use cost of doctor, thereby reduces the intaglio printing cost.
A kind of preferred embodiment in, the length range of the said axial direction in edge of the end chamfer of said gravure printing roller is 5-20mm.According to the needs of gravure printing roller when printing, if the length of end chamfer is long, then the end of possibility doctor can not be realized effective wiping; Influence the quality of the article of undertaking the printing of, and the length of end chamfer is too short, then less for the situation effect that improves the doctor cracky; Therefore, can take into account when its length range is controlled at 5-20mm, can guarantee effectively wiping of doctor; Guarantee that gravure printing roller normally prints, can reduce the cut rate of greedy doctor again, improve printing quality.
Providing on the basis of above-mentioned gravure printing apparatus, the present invention also provides a kind of method of making above-mentioned gravure printing apparatus.
Description of drawings
Fig. 1 is the operation principle sketch map of gravure printing apparatus in the prior art;
Fig. 2 is the partial enlarged drawing of A part among Fig. 1;
Fig. 3 by the present invention the structural representation of bright a kind of specific embodiment of confession gravure printing apparatus;
Fig. 4 is the flow chart of a kind of specific embodiment of gravure printing apparatus preparation method provided by the present invention.
The specific embodiment
Core of the present invention provides a kind of gravure printing apparatus, and doctor was difficult for producing cut when this gravure printing apparatus cooperated, and got rid of China ink thereby effectively reduce doctor, improved printing quality and printing efficiency, reduced printing cost.Another core of the present invention provides a kind of preparation method that provides above-mentioned gravure printing apparatus.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 3, Fig. 3 by the present invention the structural representation of bright a kind of specific embodiment of confession gravure printing apparatus.
Gravure printing apparatus provided by the present invention; Comprise gravure printing roller 21 and with the doctor 22 of the surface engagement of gravure printing roller 21; At least one end of gravure printing roller 21 and doctor 22 has the axially extended end chamfer 23 along gravure printing roller 21, so that gravure printing roller 21 has predetermined distance with doctor 22 at the place, end.During gravure printing roller 21 printings; Doctor 22 directly acts on the gravure printing roller 21; The end of the axial direction of version roller is provided with inclined-plane 23; Make compressing degree between the end surface of end and gravure printing roller 21 of doctor 22 along axially the reducing gradually of gravure printing roller 21, thrust between the two also reduces vertically gradually.Like this; The stress that doctor 22 receives is eased; Be not easy to occur cut, the possibility of adhering to printing ink on the doctor 22 obviously reduces, and printing ink is thrown to the article of undertaking the printing of goes up the also obviously reduction of probability that produces spoilage; Thereby the quality of print product is improved significantly, and reviewer's working strength obviously improves.
Simultaneously, after the breakage rate of doctor 22 reduced, the frequency that the maintenance of gravure equipment downtime is changed can significantly reduce, and printing efficiency is improved; And the replacing frequency that reduces doctor 22 can also reduce the use cost of doctor 22, thereby reduces the intaglio printing cost.
In a kind of concrete embodiment, the length range in axial direction of the end chamfer 23 of gravure printing roller 21 can be 5-20mm, and the angular range of its longitudinal center line can be the 1-6 degree.According to the needs of gravure printing roller 21 when printing, if the length of end chamfer 23 is long, then the end of possibility doctor 22 can not be realized effective wiping; Influence the quality of the article of undertaking the printing of, and the length of end chamfer 23 is too short, then less for the situation effect that improves doctor 22 crackies; Therefore, can take into account when the length range of end chamfer 23 is controlled at 5-20mm, can guarantee effectively wiping of doctor 22; Guarantee that gravure printing roller 21 normally prints; Can reduce the stress of doctor 22 again, reduce the cut rate, improve printing quality.
In like manner, end chamfer 23 also need be taken into account effective wiping and reduce two kinds of functions of doctor 22 stress with the angular range of longitudinal center line, to realize the object of the invention, improves the quality of intaglio printing.
Obviously; Above-mentioned end chamfer 23 also can design the end at doctor 22; And the structure of gravure printing roller 21 still can adopt cylindrical-shaped structure of the prior art, should be appreciated that such structure also can guarantee doctor 22 the end and the version roller the end between certain distance is arranged; Both thrusts are reduced, play the effect of protection doctor 22.
Simultaneously; The length of end chamfer 23 and angle of inclination are purpose with the cut that can reduce doctor 22 all, and its concrete size and angle all can be adjusted as required, as long as can guarantee normally wiping of doctor 22; Can reduce the frequency of doctor 22 cuts again; Prolong the service life of doctor 22, all should in protection scope of the present invention, all should receive protection of the present invention.
Except above-mentioned gravure printing apparatus, the present invention also provides a kind of method of making above-mentioned gravure printing apparatus, and these other production process of gravure printing apparatus preparation method please refer to prior art, and this paper repeats no more.
Please refer to Fig. 4, Fig. 4 is the flow chart of a kind of specific embodiment of gravure printing apparatus preparation method provided by the present invention.
In a kind of concrete embodiment, gravure printing apparatus preparation method provided by the present invention may further comprise the steps:
S11, the satisfactory version of making roller stock.
Particularly, make a version roller stock and can adopt following operation: utilize steel pipe and join the stifled saw of an axle material, turning, axletree is stifled, the weldering axle is stifled, cylindrical grinding and spindle nose, do dynamic balancing detection etc., after detecting through dynamic balancing, just forms edition roller stock that meets basic demand.
For example can adopt following operation to make the version roller stock:
Calculate stifled diameter of needed version and the stifled thickness of version, when an axle version car was stifled, the stifled diameter of axle carried out hot charging than behind big 10～15 of the pipe diameter; Rotating speed is no more than 400 rev/mins during the car version, and feed is no more than 0.5mm, and car endoporus cutter is selected 45 °, and the turning cutter is selected 90 °, and each depth of cut requires to be no more than 3mm; The stifled thickness of version is more than 20mm, and first car goes out two steps, and first step is the position of three-jaw folder, about the little 5mm of the diameter ratio stifled diameter of version, and length 4～5～mm.Another step is that withdrawing is used, about the little 1mm of the diameter ratio stifled diameter of version, and length 1mm; The stifled thickness of version is processed earlier the endoporus gradient on request below 20mm.After endoporus machines that the stifled end face car of version is flat, the stifled endoporus of version is installed on and carries out cylindrical processing on the frock jig; The endoporus gradient is processed on request, and diameter reduces 1 ± 0.1mm on request, version stifled outside diameter=diameter of steel tube-(wall thickness * 2) mm, the stifled outside diameter tolerance ± 0.1mm of version, 5 * 30 ° of chamferings (diameter 2.5mm * degree of depth 5mm).
Measure the length of diameter, wall thickness and the steel pipe of steel pipe; Select suitable rotating speed and feed, the curved method calibration that will take centering or pad with partially time of material can car plays round cylindrical and gets final product; Rotating speed must not require above 500 rev/mins, and feed requires to be no more than 0.30mm/ to be changeed, and cutter is selected 75 ° or 90 °, and each depth of cut is no more than 3mm; Become size alive to stay 2 ± 0.5m external diameter to finish turning; Roughness of excircle Ra≤6.3; When version roller length＞600mm or version roller length≤600mm and cylindrical processing capacity＞5mm, must be rough turn; Version roller length surplus is between 2～3mm.
Corase grind stock removal≤0.03mm, correct grinding stock removal≤0.02mm, the clockwise maximum of adjustment angle of tapering is no more than 3 °; When roughly grinding diameter and likeing, begin correct grinding to the big 0.08mm of size alive.When finish grinding diameter and likeing to the big 0.04mm of size alive, inspection has or not sand holes, weld seam, material wound etc. to shelter a little and in time regrind after the reparation; The inspection outside diameter is in case micrometer error one circle; Requirement for dynamic balance is hollow to be≤100 grams, tape spool version≤50 grams.
S12, press predetermined length L1, predetermined angular a1 roughly grinds the slope, end, inspection space of a whole page quality laggard electroplating.
Particularly, also can be divided into multistep among the S12, the version roller stock is carried out roughing, and handle chamfering well, measure the size of version roller, size, tapering, the flat side of inspection size; Measure eccentric; Rough turn, and pay close attention to space of a whole page situation; Finish turning, every finish turning one time is measured one time size; And observe finish turning knife mark, space of a whole page situation simultaneously.
S13, press predetermined length L2, predetermined angular a2 finish grindes the slope, end, and delivers to electricity carving.
Version roller after the fine finishining is delivered to the numerically controlled lathe place, and the rotating disk that last numerically controlled lathe will adorn cutter is adjusted to the position of a2 degree, modifies end gradient length, and the space of a whole page must be protected with protector, prevents scuffing, collides; Adjustment lathe rotating speed and feed are with the length on slide calliper rule inspection inclined-plane; After modifying well,, and want chamfering for the second time with the fineness and the slick and sly degree that contacts with the space of a whole page on file and 400# sand paper modification inclined-plane; Buffing machine on the product of having modified product is carried out space of a whole page polishing inclined plane; Version after the passed examination is delivered to the electricity carving and is begun engraving.
Plating is exactly to utilize electrolysis principle on some metal surface, to plate the process of other metal or alloy of skim; Be to utilize electrolysis that thereby the technology of the surface attachment layer of metal film of metal or other material product is played to prevent corrosion, improve wearability, electric conductivity, reflective and promote effects such as attractive in appearance.
Particularly, in the S12 step, can be that the scope of 6-22mm, predetermined angular a1 is the 0.5-5 degree with the scope of predetermined length L1; In S 13 steps, the scope that the scope of predetermined length L2 is controlled at 5-20mm, predetermined angular a2 is controlled at the 1-6 degree.Like this, in the process of gravure printing roller 21, be divided into two stages of roughing and fine finishining,, further improve the quality of the article of undertaking the printing of to improve the quality of gravure printing roller 21.
More than gravure printing apparatus provided by the present invention and preparation method thereof has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (6)
1. gravure printing apparatus; Comprise gravure printing roller and with the doctor of the surface engagement of said gravure printing roller; It is characterized in that; At least one end of said gravure printing roller and said doctor has the axially extended end chamfer along said gravure printing roller, so that said gravure printing roller and said doctor locate to have predetermined distance in said end.
2. gravure printing apparatus according to claim 1 is characterized in that, the end chamfer of said gravure printing roller is 5-20mm along the length range of said axial direction.
3. gravure printing apparatus according to claim 1 is characterized in that, the end chamfer of said gravure printing roller and the angular range of longitudinal center line are the 1-6 degree.
4. the preparation method of a gravure printing apparatus is characterized in that, may further comprise the steps:
Make satisfactory version roller stock;
Press predetermined length L1, predetermined angular a1 roughly grinds the slope, end, inspection space of a whole page quality laggard electroplating;
Press predetermined length L2, predetermined angular a2 finish grindes the slope, end, and delivers to electricity carving.
5. the preparation method of gravure printing apparatus according to claim 4 is characterized in that, the scope of said predetermined length L1 is that the scope of 6-22mm, predetermined angular a1 is the 0.5-5 degree.
6. the preparation method of gravure printing apparatus according to claim 4 is characterized in that, the scope of said predetermined length L2 is that the scope of 5-20mm, predetermined angular a2 is the 1-6 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102787855A CN102358076A (en) | 2011-09-19 | 2011-09-19 | Intaglio printing device and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102787855A CN102358076A (en) | 2011-09-19 | 2011-09-19 | Intaglio printing device and manufacturing method thereof |
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| CN102358076A true CN102358076A (en) | 2012-02-22 |
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| CN2011102787855A Pending CN102358076A (en) | 2011-09-19 | 2011-09-19 | Intaglio printing device and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899958A (en) * | 2012-09-19 | 2013-01-30 | 金红叶纸业集团有限公司 | Papermaking equipment and scraping knife device thereof |
| CN107520623A (en) * | 2017-08-24 | 2017-12-29 | 上海运城制版有限公司 | A kind of coarse-fine vehicle integrated processing unit (plant) of gravure printing roller |
| CN107598499A (en) * | 2017-10-30 | 2018-01-19 | 桐城运城制版有限公司 | A kind of cylindrical processing method of gravure printing roller |
| CN108580937A (en) * | 2018-07-28 | 2018-09-28 | 重庆宏钢数控机床有限公司 | Rib water-proof type lathe headstock |
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| CN107598499A (en) * | 2017-10-30 | 2018-01-19 | 桐城运城制版有限公司 | A kind of cylindrical processing method of gravure printing roller |
| CN108580937A (en) * | 2018-07-28 | 2018-09-28 | 重庆宏钢数控机床有限公司 | Rib water-proof type lathe headstock |
| CN108580937B (en) * | 2018-07-28 | 2024-03-19 | 重庆宏钢数控机床有限公司 | Waterproof type lathe headstock of rib |
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Application publication date: 20120222 |