CN113799508A - Adsorption stripping type printing process for soft material - Google Patents
Adsorption stripping type printing process for soft material Download PDFInfo
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- CN113799508A CN113799508A CN202110865851.2A CN202110865851A CN113799508A CN 113799508 A CN113799508 A CN 113799508A CN 202110865851 A CN202110865851 A CN 202110865851A CN 113799508 A CN113799508 A CN 113799508A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/10—Intaglio printing ; Gravure printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/06—Details
- B41F9/08—Wiping mechanisms
- B41F9/10—Doctors, scrapers, or like devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/06—Details
- B41F9/08—Wiping mechanisms
- B41F9/12—Absorbent pads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/06—Details
- B41F9/08—Wiping mechanisms
- B41F9/16—Removing or recovering ink from wiping mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2235/00—Cleaning
- B41P2235/10—Cleaning characterised by the methods or devices
- B41P2235/20—Wiping devices
- B41P2235/22—Rollers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses an adsorption stripping type printing process for soft materials, which belongs to the field of printing and is used for preprocessing; feeding; ink absorption printing; transposition stripping; ink absorption printing; after-treatment, can peel off the printing ink that flexible blotting piece wall was adsorbed and was adhered through the regulation type ink stripping roller, when not influencing printing work, effectively keep the cleanliness factor of flexible blotting piece wall, and then effectively avoid appearing getting rid of the not thorough condition of printing ink, and then improve the printing quality of softwood material, improve its printing qualification rate, the economic benefits of its printing has been improved, and get rid of printing ink through flexible blotting piece, effectively change original rigid contact into flexonics more, increase the area of contact with the printing wheel, when improving the printing ink and getting rid of the effect, can also effectively reduce the wearing and tearing of printing wheel and absorption type ink scraper, improve the life of gravure press body.
Description
Technical Field
The invention relates to the field of printing, in particular to an adsorption stripping type printing process for a soft material.
Background
Printing is a technique of transferring ink to the surface of paper, textiles, plastics, leather, PVC, PC, or other materials by plate making, inking, and pressing original documents such as characters, pictures, photographs, and forgery prevention, and copying the contents of the original documents in bulk. Printing is the process of transferring the approved printing plate to the printing stock by printing machine and special ink. The printing method mainly comprises offset printing, flexographic printing, silk screen printing, gravure printing, special printing and other printing methods.
The intaglio printing is to coat ink on the surface of the printing plate, to remove the ink in the blank part with a special ink scraping mechanism, to make the ink only remain in the cells of the image-text part, and to transfer the ink to the surface of the printing material under the action of larger pressure to obtain the printed matter. The gravure press generally comprises eight parts, including an uncoiling part, a guide roller, a press roller, a printing roller, an inking part, a doctor blade, a dryer and a coiling part, and the partial gravure press also comprises a power system, a calibration system and an electrical system.
Due to the characteristics of gravure printing, the method is well applicable to the printing treatment of soft materials, such as plastics, paper, aluminum foil and the like, particularly to materials which are easy to extend and deform, such as textile materials and the like. However, when the soft material is printed, the doctor blade is used for a long time, so that more ink layers are easily adhered to the doctor blade, the ink is not thoroughly removed at the later stage of the doctor blade, and the printing surface of the soft material is easily subjected to quality problems such as uneven ink color, printing, hair pasting and fluffing due to the adsorbability of the soft material, so that the printing qualification rate is reduced, and the economic benefit of soft material printing is reduced.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an adsorption stripping type printing process for soft materials, which can remove ink adsorbed and adhered on the wall surface of a flexible ink absorbing sheet by a flexible ink absorbing sheet on an adsorption type ink scraper, can effectively keep the cleanliness of the wall surface of the flexible ink absorbing sheet while not influencing the normal work of a gravure printing machine body, further effectively avoid the condition of incomplete ink removal, reduce the quality problems of uneven ink color, printing mark, fuzzing and the like during the printing of the soft materials, further improve the printing quality of the soft materials, improve the printing qualification rate of the soft materials, improve the economic benefit of the printing of the soft materials, remove the ink by the flexible ink absorbing sheet, effectively change the original rigid contact into flexible contact, increase the contact area with a printing wheel, and improve the ink removal effect, and the abrasion of the printing wheel and the adsorption type ink scraping knife can be effectively reduced, and the service life of the gravure printing machine body is prolonged.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An adsorption stripping type printing process for soft materials comprises the following steps:
s1, pretreatment: pretreating a soft material to be printed;
s2, feeding: conveying the pretreated soft material into the body of the gravure printing machine, and pressing the soft material by a pressure wheel;
s3, ink absorption printing: the gravure printing machine body controls the printing wheel to rotate through the printing controller, so that the printing wheel is adhered with ink and rotates to the adsorption type ink scraping knife, the redundant ink on the surface of the printing wheel is absorbed and scraped by the flexible ink absorption sheet, and then the pattern reticulate pattern with the ink on the printing wheel is printed on the surface of a soft material;
s4, transposition stripping: after the printing is continuously carried out for a period of time, the contact surface of the flexible ink absorbing sheet and the printing wheel absorbs and bonds more ink, the flexible ink absorbing sheet is driven by the stripping electromagnetic assembly to move depending on the adsorption type ink scraping knife, so that the ink on the adjustable ink stripping roller is stripped when the flexible ink absorbing sheet moves, and the flexible ink absorbing sheet continuously absorbs and scrapes the ink in the moving process;
s5, ink absorption printing: the gravure printing machine body continuously conveys soft materials to enable the printing controller to print the soft materials under the action of the flexible ink absorption sheet;
s6, post-processing: after the printed soft material is post-treated, the flexible ink absorbing sheet moves on the adsorption type ink scraping knife, the adjusting type ink peeling roller peels off the ink adsorbed and bonded on the wall surface of the flexible ink absorbing sheet, the cleanness of the wall surface of the flexible ink absorbing sheet is effectively kept while the normal work of the gravure printing machine body is not influenced, thereby effectively avoiding the situation of incomplete ink removal, reducing the quality problems of uneven ink color, printing mark, fuzziness and the like during the printing of soft materials, thereby improving the printing quality of the soft material, improving the printing qualification rate of the soft material, improving the economic benefit of the printing, and the flexible ink absorbing sheet is used for removing the ink, so that the original rigid contact is effectively changed into the flexible contact, the contact area of increase and printing wheel is improved, and when the effect is got rid of to improvement printing ink, can also effectively reduce the wearing and tearing of printing wheel and absorption type ink scraper, improve the life of gravure press body.
Further, including the gravure press body, this internal printing wheel of installing of gravure press and with printing wheel matched with absorption type ink eraser, the steady spout of gas has all been seted up at both ends about absorption type ink eraser, the steady spout inner wall sliding connection of gas has the peel-off carry over pinch rolls, the equal fixedly connected with in both ends is located the peeling guide roller of the steady spout downside of gas about absorption type ink eraser, peel off the flexible blotting piece of carry over pinch rolls outer end fixedly connected with parcel in the absorption type ink eraser outside, and flexible blotting piece and peel off carry over pinch rolls sliding connection, the steady spout of gas upper inner wall fixed mounting have with peel off carry over pinch rolls matched with peel off the electromagnetic component, absorption type ink eraser lower extreme is connected with the regulation type ink roller that a pair of mirror image set up, and the regulation type is peeled off the ink roller and is located the flexible blotting piece outside, peels off the electromagnetic component through the peeling off of different positions and acts on, make flexible blotting piece can be under the drive of peeling off the carry over pinch rolls, it produces continuous removal to depend on absorption type ink scraping knife, and then constantly update the contact position of flexible blotting piece and printing wheel, make it keep being applicable to the ability of printing ink well, improve the cleanliness factor of printing wheel wall, reduce the residue of printing ink, and then improve the printing quality of softwood material, and the effect of peeling off the ink roller through the regulation type can peel off the printing ink on the flexible blotting piece wall, make flexible blotting piece can circulation used repeatedly, and then effectively reduce the printing cost.
Furthermore, one end of the stripping traction roller, which is close to the air stabilizing groove, is fixedly connected with a sliding separation blade, the movable end of the stripping electromagnetic assembly is fixedly connected with the upper end of the sliding separation blade, the upper end of the sliding separation blade is fixedly connected with a balanced telescopic air sleeve which is positioned on one side of the stripping electromagnetic assembly, the lower end of the sliding separation blade is fixedly connected with an air-equalizing telescopic sleeve, the air-equalizing telescopic sleeve and the balanced telescopic air sleeve are connected through an air-equalizing pipe, when the stripping traction roller moves through the air-equalizing pipe, the air content between the balanced telescopic air sleeve and the air-equalizing telescopic sleeve is adjusted, the balanced telescopic air sleeve and the air-equalizing telescopic sleeve can effectively improve the stability of the movement of the stripping traction roller, further improve the moving progress of the flexible ink-absorbing sheet, effectively avoid the phenomenon that the flexible ink-absorbing sheet deviates and incomplete ink removal is caused, and when the stripping electromagnetic assembly is not in use, the balanced telescopic air sleeve and the air-equalizing telescopic sleeve can limit the lowest position of the stripping traction roller, the position precision of the flexible ink absorbing sheet is effectively improved, the loss of the flexible ink absorbing sheet is reduced, and the service life of the flexible ink absorbing sheet is prolonged.
Further, the equal fixedly connected with in both ends adjusts the stay around the ink roller is shelled to the regulation type, adjust the stay other end and adsorb type ink scraping knife fixed connection, adjust the stay and can shell the clearance between ink roller and the flexible ink absorption piece to the regulation type and adjust, when effectively keeping the peeling effect volume that the ink roller was shelled to the regulation type, still reduced and shelled the damage of ink roller to the regulation type when the ink absorption piece props up scraping the china ink.
Further, the china ink tooth is shelled to a plurality of elasticity of inker outer end fixedly connected with to the regulation type, and the antiseized layer of china ink tooth outer wall coating is shelled to elasticity, shells the china ink tooth through elasticity and can improve the regulation type and shell the peeling effect of ink on the ink roller to the flexible blotting piece, improves glass efficiency to antiseized layer can effectively reduce the bonding that china ink tooth wall was shelled in elasticity to printing ink, and then reduces the loss that china ink tooth was shelled to elasticity, reduces the frequency of maintaining.
Further, the lower end of the adsorption type doctor blade is provided with a support piece groove, the upper inner wall of the support piece groove is fixedly provided with a support piece electromagnetic assembly, and the lower end of the support piece electromagnetic assembly is connected with a support piece doctor blade assembly matched with a flexible ink absorption piece.
Furthermore, the ink scraping component of the supporting piece comprises a light-weight ring, the lower end of the electromagnetic component of the supporting piece is fixedly connected with the light-weight ring, a plurality of air control extension tubes are fixedly connected in the light finger ring, the lower end of the light finger ring is fixedly connected with an air-equalizing hollow tube communicated with the air control extension tubes, the lower end of the air-equalizing hollow tube is fixedly connected with an air drum fan-shaped support communicated with the air-equalizing hollow tube, the light finger ring is driven to move in the supporting sheet groove by the supporting sheet electromagnetic component, and the air control extension tube is ventilated, the sector-shaped support of the air drum is raised, the flexible ink absorbing sheet is effectively supported, the state of the flexible ink absorbing sheet for removing ink is changed, the action position of the flexible ink absorbing sheet is enlarged, and according to the ink removing requirements of different types, the pressure between the flexible ink absorbing sheet and the printing wheel is changed, so that the flexible ink absorbing sheet has adjustability, and the applicability of the flexible ink absorbing sheet is further effectively improved.
Further, a plurality of flexible supporting tubes of fixedly connected with in the sector of the gas drum props, and flexible supporting tube upper end and the equal gas hollow tube switch-on mutually, the sector of the gas drum props the even power arc piece of lower extreme fixed connection, the even power arc piece cooperatees with flexible blotting piece, effectively drives the sector of the gas drum through flexible supporting tube and props production shrink and expansion for the piece scrapes the china ink subassembly and can effectively pack up and expand, and the flexible blotting piece of being convenient for is applicable to and uses under the different situation, and the even power arc piece can be balanced the supporting pressure that the gas drum fan formed, improves the degree of consistency that flexible blotting piece deformed, when effectively guaranteeing that flexible blotting piece gets rid of the printing ink ability, has still reduced the damage of flexible blotting piece.
Further, light ring upper end fixedly connected with prop a slice groove sliding fit's magnetism isolation slide, magnetism isolation slide and the flexible pipe fixed connection of gas accuse, the flexible pipe of gas accuse is kept away from light ring one end and is extended to the absorption type ink eraser outside to be connected with the pneumatic structure of gravure press body, magnetism isolation slide is fixed and spacing to the flexible pipe of gas accuse, effectively avoids a plurality of flexible pipe productions of gas accuse to pile up the winding when the light ring is flexible, and the flexible pipe of gas accuse is adjusted the air current direction in the flexible pipe of gas accuse through the pneumatic structure of printing controller control gravure press body, and then effectively improves the degree of automation that flexible blotting piece adjusted.
Furthermore, the left end and the right end of the light-weight finger ring are fixedly connected with rotation stopping fins, rotation stopping long grooves matched with the rotation stopping fins are formed in the left inner wall and the right inner wall of the supporting piece groove, and through the mutual matching of the rotation stopping long grooves and the rotation stopping fins, the displacement precision of the light-weight finger ring is effectively improved, the generation of shearing force during the movement of the light-weight finger ring is reduced, the service life of each component in the gravure printing machine body is further effectively prolonged, and the maintenance cost of the gravure printing machine body is reduced.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) in the scheme, the flexible ink absorbing sheet moves on the adsorption type ink scraping knife, the adjustable ink peeling roller peels off the ink adsorbed and bonded on the wall surface of the flexible ink absorbing sheet, the cleanness of the wall surface of the flexible ink absorbing sheet is effectively kept while the normal work of the gravure printing machine body is not influenced, thereby effectively avoiding the situation of incomplete ink removal, reducing the quality problems of uneven ink color, printing mark, fuzziness and the like during the printing of soft materials, thereby improving the printing quality of the soft material, improving the printing qualification rate of the soft material, improving the economic benefit of the printing, and the flexible ink absorbing sheet is used for removing the ink, so that the original rigid contact is effectively changed into the flexible contact, the contact area of increase and printing wheel is improved, and when the effect is got rid of to improvement printing ink, can also effectively reduce the wearing and tearing of printing wheel and absorption type ink scraper, improve the life of gravure press body.
(2) Through the effect that strips of different position electromagnetic component produces the effect, make flexible blotting piece can be under the drive of peeling off the carry over pinch rolls, it produces continuous removal to depend on absorption type ink scraping knife, and then constantly update the contact position of flexible blotting piece and printing wheel, make it keep being applicable to well can do all can of printing ink, improve the cleanliness factor of printing wheel wall, reduce the residue of printing ink, and then improve the printing quality of soft material, and the effect of peeling off the ink roller through the regulation type can be peeled off the printing ink on the flexible blotting piece wall, make flexible blotting piece can recycle, and then effectively reduce the printing cost.
(3) When peeling off the carry over pinch rolls and producing the removal through the gas distribution pipe, adjust the gas content between balanced flexible gas cover and the flexible cover of gas distribution, balanced flexible gas cover and the flexible cover of gas distribution can effectively improve the stationarity of peeling off the carry over pinch rolls motion, and then improve the progress that flexible blotting piece removed, effectively avoid it to produce the skew, cause printing ink to get rid of incomplete phenomenon, and when peeling off the electromagnetic component and not acting on, balanced flexible gas cover and the flexible cover of gas distribution can restrict the lowest position of peeling off the carry over pinch rolls, effectively improve flexible blotting piece position accuracy, reduce the loss of flexible blotting piece, improve the life of flexible blotting piece.
(4) The adjusting stay can adjust the clearance between the adjusting type ink peeling roller and the flexible ink absorbing sheet, and the damage to the adjusting type ink peeling roller when the flexible ink absorbing sheet supports ink scraping is reduced while the peeling effect of the adjusting type ink peeling roller is effectively kept.
(5) The ink teeth are peeled through elasticity, so that the peeling effect of the ink roller on the flexible ink absorbing sheet can be improved, the glass efficiency is improved, the adhesion of the ink on the wall surface of the ink teeth can be effectively reduced through the anti-adhesion layer, the loss of the ink teeth is further reduced, and the maintenance frequency is reduced.
(6) Move in supporting the piece groove through supporting piece electromagnetic component drive light ring to make the flexible pipe of gas accuse ventilate, make the fan-shaped support of tympanum swell, effectively prop flexible blotting piece, change the state that printing ink was got rid of to flexible blotting piece, enlarge the effect position of flexible blotting piece, and with according to the black requirement of going of difference, change the pressure between flexible blotting piece and the printing wheel, make flexible blotting piece have the controllability, and then effectively improve the suitability of flexible blotting piece.
(7) Effectively drive the fan-shaped support of air drum through flexible stay tube and produce shrink and expansion for prop the piece and scrape black subassembly and can effectively pack up and expand, the flexible blotting piece of being convenient for is applicable to and uses under the different situation, and the even power arc piece can be balanced the supporting force that the air drum fan formed, improves the degree of consistency of flexible blotting piece deformation, when effectively guaranteeing that the printing ink ability is got rid of to flexible blotting piece, has still reduced the damage of flexible blotting piece.
(8) The magnetism isolating sliding plate fixes and limits the air control telescopic pipes, the fact that the plurality of air control telescopic pipes are stacked and wound when the light finger ring stretches is effectively avoided, the air control telescopic pipes control the pneumatic structure of the gravure printing machine body through the printing controller, the air flow direction in the air control telescopic pipes is adjusted, and then the automation degree of adjustment of the flexible ink absorbing sheets is effectively improved.
(9) Through the mutual matching of the rotation stopping long grooves and the rotation stopping fins, the displacement precision of the light-weight finger ring is effectively improved, the generation of shearing force when the light-weight finger ring moves is reduced, the service life of each component in the gravure printing machine body is further effectively prolonged, and the maintenance cost of the gravure printing machine body is reduced.
Drawings
FIG. 1 is a schematic view of the structure of the adsorption stripping type printing process of the present invention;
FIG. 2 is a front view of the gravure printing machine body of the present invention;
FIG. 3 is a schematic axial view of the suction type doctor blade according to the present invention;
FIG. 4 is a schematic view of the structure of the adsorption type ink scraping knife;
FIG. 5 is a schematic view of a partial axial configuration of a flexible ink absorbing sheet according to the present invention;
FIG. 6 is a schematic view in elevation, in cross-section, of the flexible ink absorbing sheet of the present invention when absorbing ink;
FIG. 7 is a schematic diagram of the structure at A of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic view in elevation, in cross-section, of the flexible ink-receptive sheet of the present invention when peeled away;
FIG. 9 is a schematic view of the structure B of FIG. 8 according to the present invention;
fig. 10 is a schematic front view of the soft material printing of the present invention.
The reference numbers in the figures illustrate:
1 gravure press body, 101 printing wheel, 103 pressure wheel, 2 printing controller, 3 adsorption type doctor blade, 301 air-stable sliding groove, 302 supporting sheet groove, 303 rotation stopping elongated slot, 4 flexible ink absorbing sheet, 401 peeling traction roller, 402 peeling guide roller, 5 adjusting type ink peeling roller, 501 elastic ink peeling tooth, 502 adjusting supporting sheet, 6 supporting sheet doctor blade component, 601 light finger ring, 602 gas-equalizing hollow tube, 603 air drum fan-shaped support, 6031 flexible supporting tube, 604 telescopic tube gas control, 605 rotation stopping fin, 7 magnetism isolating slide plate, 8 supporting sheet electromagnetic component, 9 peeling electromagnetic component, 901 balance telescopic air sleeve, 902 gas-equalizing telescopic sleeve and 903 sliding separation sheet.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-10, an adsorption stripping printing process for soft materials includes the following steps:
s1, pretreatment: pretreating a soft material to be printed;
s2, feeding: conveying the pretreated soft material into the gravure printing machine body 1, and pressing the soft material by a pressure wheel 103;
s3, ink absorption printing: the gravure printing machine body 1 controls the printing wheel 101 to rotate through the printing controller 2, so that the printing wheel 101 adheres ink and rotates to the adsorption type ink scraping blade 3, redundant ink on the surface of the printing wheel is absorbed and scraped by the flexible ink absorption sheet 4, and then, the pattern reticulate pattern with the ink on the printing wheel 101 is printed on the surface of a soft material;
s4, transposition stripping: after the printing is continuously carried out for a period of time, the contact surface of the flexible ink absorbing sheet 4 and the printing wheel 101 absorbs and bonds more ink, the flexible ink absorbing sheet 4 is driven to generate attaching and absorbing type ink scraping knife 3 movement through the peeling electromagnetic assembly 9, so that the adjusting type ink peeling roller 5 peels the ink on the flexible ink absorbing sheet 4 when the flexible ink absorbing sheet 4 moves, and the flexible ink absorbing sheet 4 continuously absorbs and scrapes the ink in the moving process;
s5, ink absorption printing: the gravure printing machine body 1 continuously conveys soft materials to enable the printing controller 2 to print the soft materials under the action of the flexible ink absorption sheet 4;
s6, post-processing: the printing method comprises the steps of carrying out aftertreatment on a printed soft material, moving the flexible ink absorbing sheet 4 on the adsorption type doctor blade 3, stripping ink adsorbed and adhered on the wall surface of the flexible ink absorbing sheet 4 by the adjustable ink stripping roller 5, effectively keeping the cleanliness of the wall surface of the flexible ink absorbing sheet 4 while not influencing the normal work of the gravure printing machine body 1, further effectively avoiding the situation of incomplete ink removal, reducing the quality problems of uneven ink color, mark pasting and fuzzing and the like during printing of the soft material, further improving the printing quality of the soft material, improving the printing qualification rate of the soft material, improving the economic benefit of printing, removing the ink by the flexible ink absorbing sheet 4, effectively changing the original rigid contact into the flexible contact, improving the contact area with the printing wheel 101, improving the ink removing effect and simultaneously effectively reducing the abrasion of the printing wheel 101 and the adsorption type doctor blade 3, the service life of the gravure printing machine body 1 is prolonged.
Example 2:
referring to fig. 1 to 10, wherein the same or corresponding components as those in embodiment 1 are designated by the same reference numerals as those in embodiment 1, only the points different from embodiment 1 will be described below for the sake of convenience. This example 2 differs from example 1 in that: referring to fig. 2-5, the gravure printing machine comprises a gravure printing machine body 1, a printing wheel 101 and an adsorption type doctor blade 3 matched with the printing wheel 101 are installed in the gravure printing machine body 1, air stabilizing sliding grooves 301 are respectively formed at the left and right ends of the adsorption type doctor blade 3, a stripping traction roller 401 is slidably connected to the inner wall of the air stabilizing sliding groove 301, stripping guide rollers 402 positioned at the lower side of the air stabilizing sliding grooves 301 are fixedly connected to the left and right ends of the adsorption type doctor blade 3, a flexible ink absorbing sheet 4 wrapped at the outer side of the adsorption type doctor blade 3 is fixedly connected to the outer end of the stripping traction roller 401, the flexible ink absorbing sheet 4 is slidably connected to the stripping guide rollers 402, a stripping electromagnetic assembly 9 matched with the stripping traction roller 401 is fixedly installed on the inner wall of the air stabilizing sliding groove 301, a pair of adjusting type ink stripping rollers 5 arranged in a mirror image is connected to the lower end of the adsorption type doctor blade 3, and the adjusting type ink stripping rollers 5 are positioned at the outer side of the flexible ink absorbing sheet 4, through the effect of the 9 electromagnetic components that peel off in different positions, make flexible blotting piece 4 can be under the drive of peeling off carry over pinch rolls 401, it produces continuous removal to depend on absorption type ink scraper 3, and then constantly update the contact position of flexible blotting piece 4 and printing wheel 101, make it keep being applicable to well can do all can of printing ink, improve the cleanliness factor of printing wheel 101 wall, reduce the residue of printing ink, and then improve the printing quality of soft material, and peel off the effect of ink roller 5 through the regulation type and can peel off the printing ink on flexible blotting piece 4 wall, make flexible blotting piece 4 can the used repeatedly that circulates, and then effectively reduce the printing cost.
Referring to fig. 6 and 8, one end of the peeling traction roller 401 close to the air-stable chute 301 is fixedly connected with a sliding blocking piece 903, the movable end of the peeling electromagnetic assembly 9 is fixedly connected with the upper end of the sliding blocking piece 903, the upper end of the sliding blocking piece 903 is fixedly connected with a balanced telescopic air sleeve 901 positioned on one side of the peeling electromagnetic assembly 9, the lower end of the sliding blocking piece 903 is fixedly connected with an air-equalizing telescopic sleeve 902, the air-equalizing telescopic sleeve 902 and the balanced telescopic air sleeve 901 are connected through an air-equalizing pipe, when the peeling traction roller 401 moves through the air-equalizing pipe, the air content between the balanced telescopic air sleeve 901 and the air-equalizing telescopic sleeve 902 is adjusted, the balanced telescopic air sleeve 901 and the air-equalizing telescopic sleeve 902 can effectively improve the movement stability of the peeling traction roller 401, further improve the movement progress of the flexible ink-absorbing sheet 4, effectively avoid the generation of offset, cause incomplete ink removal, and when the peeling electromagnetic assembly 9 is not in operation, the balance telescopic air sleeve 901 and the air-equalizing telescopic sleeve 902 can limit the lowest position of the stripping traction roller 401, effectively improve the position precision of the flexible ink absorption sheet 4, reduce the loss of the flexible ink absorption sheet 4 and prolong the service life of the flexible ink absorption sheet 4.
Referring to fig. 5, the front end and the rear end of the adjustable ink peeling roller 5 are fixedly connected with an adjusting stay 502, the other end of the adjusting stay 502 is fixedly connected with the adsorption type doctor blade 3, and the adjusting stay 502 can adjust the gap between the adjustable ink peeling roller 5 and the flexible ink absorbing sheet 4, so that the peeling effect of the adjustable ink peeling roller 5 is effectively maintained, and the damage to the adjustable ink peeling roller 5 when the flexible ink absorbing sheet 4 supports ink scraping is reduced. Referring to fig. 7 and 9, the outer end of the adjustable ink peeling roller 5 is fixedly connected with a plurality of elastic ink peeling teeth 501, the outer wall of each elastic ink peeling tooth 501 is coated with an anti-sticking layer, the ink peeling effect of the adjustable ink peeling roller 5 on the flexible ink absorbing sheet 4 can be improved through the elastic ink peeling teeth 501, the glass efficiency is improved, the adhesion of ink on the wall surface of each elastic ink peeling tooth 501 can be effectively reduced through the anti-sticking layer, the loss of the elastic ink peeling teeth 501 is further reduced, and the maintenance frequency is reduced.
Referring to fig. 1-10, when the flexible ink-absorbing sheet 4 is initially used, two peeling traction rollers 401 are located at the top of the air-stabilizing sliding groove 301, and one peeling electromagnetic assembly 9 is located at the bottom of the air-stabilizing sliding groove 301, after the flexible ink-absorbing sheet 4 is used for a period of time, the printing controller 2 controls the peeling electromagnetic assembly 9 on the peeling traction roller 401 located at the bottom of the air-stabilizing sliding groove 301 to generate a contraction action, so that the peeling electromagnetic assembly 9 on this side drives the peeling traction roller 401 to move up and down along the air-stabilizing sliding groove 301 through the sliding blocking piece 903, and the flexible ink-absorbing sheet 4 drives the wall surface of the attaching adsorption type ink-scraping knife 3 to move under the guidance of the peeling guide roller 402 along with the peeling traction roller 401, the peeling electromagnetic assembly 9 on the other side is not powered on, so that the peeling traction roller 401 on the same side moves along with the flexible ink-absorbing sheet 4 (see fig. 8), at this time, the balance telescopic air sleeve 901 and the air-equalizing telescopic sleeve 902 generate adaptive extension and compression under the action of the air-equalizing pipe and the sliding blocking piece 903, the air-equalizing telescopic sleeve 902 limits the lowest limit position of the movement of the peeling traction roller 401, effectively prevents the peeling traction roller 401 from slipping, moves downwards along the air-stabilizing sliding groove 301, and in the process of moving the flexible ink absorbing sheet 4, a new ink absorbing surface of the flexible ink absorbing sheet continuously contacts with the printing wheel 101, continuously absorbs and removes ink on the upper side of the printing wheel 101, and adjusts the stay 502 and keeps the contraction state, so that the flexible ink absorbing sheet 4 continuously contacts with the elastic ink peeling teeth 501 on the adjusting type ink peeling roller 5, and the elastic ink peeling teeth 501 peel off the residual ink on the flexible ink absorbing sheet 4; here, flexible blotting piece 4 can be controlled the electromagnetic component 9 that peels off of different sides through printing controller 2, realize the circulation and continuously move, it can last printing ink to peel off flexible blotting piece 4 also to peel off ink through regulation type ink roller 5, make flexible blotting piece 4 carry out dynamic work, perhaps flexible blotting piece 4 also can be to the control of peeling off electromagnetic component 9 through printing controller 2, make after flexible blotting piece 4 uses a period, remove a section distance, the face of more renewing, then so relapse, make flexible blotting piece 4 carry out static work (please refer to fig. 10), the printing technical staff can change the state of flexible blotting piece 4 according to actual need.
Example 3:
referring to fig. 1 to 10, wherein the same or corresponding components as those in embodiment 2 are designated by the same reference numerals as those in embodiment 2, only the points different from embodiment 2 will be described below for the sake of convenience. This example 3 differs from example 2 in that: referring to fig. 3, the lower end of the adsorption doctor blade 3 is provided with a supporting sheet groove 302, the upper inner wall of the supporting sheet groove 302 is fixedly provided with a supporting sheet electromagnetic assembly 8, and the lower end of the supporting sheet electromagnetic assembly 8 is connected with a supporting sheet doctor assembly 6 matched with the flexible ink absorbing sheet 4. Referring to fig. 7 and 9, the ink scraping component 6 includes a light-weight ring 601, the lower end of the supporting electromagnetic component 8 is fixedly connected with the light-weight ring 601, a plurality of air-controlled telescopic tubes 604 are fixedly connected in the light-weight ring 601, the lower end of the light-weight ring 601 is fixedly connected with an air-homogenizing hollow tube 602 communicated with the air-controlled telescopic tubes 604, the lower end of the air-homogenizing hollow tube 602 is fixedly connected with an air-drum fan-shaped support 603 communicated with the air-homogenizing hollow tube, the light-weight ring 601 is driven by the supporting electromagnetic component 8 to move in the supporting groove 302, and the telescopic tubes 604 are ventilated, so that the air-drum fan-shaped support 603 is expanded, the flexible ink-absorbing sheet 4 is effectively supported, the state of the flexible ink-absorbing sheet 4 for removing ink is changed, the action position of the flexible ink-absorbing sheet 4 is expanded, and the pressure between the flexible ink-absorbing sheet 4 and the printing wheel 101 is changed according to different ink-removing requirements, so that the flexible ink-absorbing sheet 4 has adjustability, thereby effectively improving the applicability of the flexible ink absorbing sheet 4. It should be noted that, the supporting electromagnetic assembly 8 and the peeling electromagnetic assembly 9 are both the prior art with the same principle, and the magnetic property of the electromagnet is changed by changing the current direction of the electromagnet, so that the strong electromagnet at the movable end generates the magnetic force of homopolar repulsion or heteropolar attraction, and the movable end is further effectively made to perform the stretching action, so that no further description is given in this embodiment, and the supporting electromagnetic assembly 8 and the peeling electromagnetic assembly 9 are both electrically connected with the printing controller 2 through the wires.
Please refer to fig. 7, a plurality of flexible supporting tubes 6031 are fixedly connected in the air drum fan-shaped support 603, and the upper end of the flexible supporting tube 6031 is connected with the air-equalizing hollow tube 602, the lower end of the air drum fan-shaped support 603 is fixedly connected with the force equalizing arc, the force equalizing arc is matched with the flexible ink absorbing sheet 4, the air drum fan-shaped support 603 is effectively driven to shrink and expand through the flexible supporting tube 6031, so that the ink scraping component 6 of the supporting sheet can be effectively packed and expanded, the flexible ink absorbing sheet 4 is suitable for being used under different conditions, and the force equalizing arc can balance the supporting pressure of the air drum fan-shaped support 603, improve the deformation uniformity of the flexible ink absorbing sheet 4, effectively ensure the ink removing capability of the flexible ink absorbing sheet 4, and reduce the damage of the flexible ink absorbing sheet 4.
Referring to fig. 9, the upper end of the light finger ring 601 is fixedly connected with a magnetism isolating sliding plate 7 in sliding fit with the supporting sheet groove 302, the magnetism isolating sliding plate 7 is fixedly connected with a pneumatic control telescopic pipe 604, one end of the pneumatic control telescopic pipe 604, which is far away from the light finger ring 601, extends to the outer side of the adsorption type doctor blade 3 and is connected with a pneumatic structure of the gravure printing machine body 1, the magnetism isolating sliding plate 7 fixes and limits the pneumatic control telescopic pipe 604, stacking and winding of a plurality of pneumatic control telescopic pipes 604 are effectively avoided when the light finger ring 601 is stretched, the pneumatic control telescopic pipe 604 controls the pneumatic structure of the gravure printing machine body 1 through the printing controller 2, the direction of air flow in the pneumatic control telescopic pipe 604 is adjusted, and further, the degree of automation of adjustment of the flexible ink absorbing sheet 4 is effectively improved. Referring to fig. 7 and 9, the rotation-stopping fins 605 are fixedly connected to the left and right ends of the light finger ring 601, the rotation-stopping long grooves 303 matched with the rotation-stopping fins 605 are formed in the left and right inner walls of the supporting sheet groove 302, and the rotation-stopping long grooves 303 and the rotation-stopping fins 605 are matched with each other, so that the displacement precision of the light finger ring 601 is effectively improved, the generation of shearing force during the movement of the light finger ring 601 is reduced, the service life of each component in the gravure printing machine body 1 is effectively prolonged, and the maintenance cost of the gravure printing machine body 1 is reduced.
Referring to fig. 1-10, before the flexible ink absorbing sheet 4 is used, according to the printing process requirement parameters of the soft material, the position of the flexible ink absorbing sheet 4 is adjusted and tested, the printing controller 2 controls the extending action of the supporting sheet electromagnetic assembly 8, so that the light finger ring 601 moves to the outside of the supporting sheet groove 302 under the restriction of the rotation stopping fin 605 and the rotation stopping long groove 303, the printing controller 2 controls the pneumatic structure of the gravure printing machine body 1 to introduce gas into the pneumatic control telescopic tube 604, so that the gas in the telescopic flexible supporting tube 6031 is increased to generate extension, and drives the air drum fan-shaped support 603 to expand, so that the uniform force arc sheet props up the flexible ink absorbing sheet 4 (see fig. 6 and 7), so that the flexible ink absorbing sheet 4 is far away from the surface of the adsorption type doctor blade 3, the pressure generated by the flexible ink absorbing sheet 4 to the printing wheel 101 is changed, and at this time the adjusting tension 502 is extended by the flexible ink absorbing sheet 4, the printing process personnel adjusts the moving-out distance of the light-weight ring 601 by controlling the electromagnetic force of the supporting piece electromagnetic component 8, further adjusts the pressure of the flexible ink absorbing piece 4 on the printing wheel 101, observes the condition that the flexible ink absorbing piece 4 removes ink, selects proper process parameters from the data of each stage, then adjusts the flexible ink absorbing piece 4 to ensure that the flexible ink absorbing piece 4 can generate the effect well suitable for the ink, further improves the printing quality of soft materials, and when the flexible ink absorbing piece 4 does not need to be adjusted, the printing controller 2 controls the pneumatic structure of the gravure printing machine body 1 to absorb the gas in the pneumatic control extension tube 604, so that the gas in the flexible extension flexible supporting tube 6031 is gradually reduced to generate contraction and drive the air drum fan-shaped support 603 and the force-equalizing arc piece to contract together, and then the printing controller 2 transmits reverse current to the supporting piece electromagnetic component 8, so that the supporting electromagnetic assembly 8 contracts to drive the light finger ring 601 to move to the inner side of the supporting groove 302 (see fig. 9) under the restriction of the rotation stopping fin 605 and the rotation stopping long groove 303, and the flexible ink absorbing sheet 4 is attached to the wall surface of the adsorption type doctor blade 3 to adjust the supporting bar 502 to elastically contract and recover. It is worth noting, when propping piece electromagnetic component 8 and extending the action, peel off and not pass through the electric current in the electromagnetic component 9, peel off tow roll 401 and receive 4 pulling force effects of flexible blotting piece and move down simultaneously this moment, and extrude the flexible cover 902 of samming, make its inside gas get into in the balanced flexible air jacket 901, the flexible cover 902 of samming restricts the position of peeling off tow roll 401, and when propping piece electromagnetic component 8 and produce the shrink action, two peel off electromagnetic component 9 and let in the electric current simultaneously, produce the shrink action, it upwards moves to drive and peel off tow roll 401, make flexible blotting piece 4 depend on at absorption type doctor blade 3 wall.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. An adsorption stripping type printing process for soft materials is characterized in that: the method comprises the following steps:
s1, pretreatment: pretreating a soft material to be printed;
s2, feeding: conveying the pretreated soft material into a gravure printing machine body (1), and pressing the soft material by a pressure wheel (103);
s3, ink absorption printing: the gravure printing machine body (1) controls a printing wheel (101) to rotate through a printing controller (2), so that the printing wheel (101) is adhered with ink and rotates to an adsorption type ink scraping blade (3), redundant ink on the surface of the printing wheel is absorbed and scraped by a flexible ink absorption sheet (4), and then, patterns with the ink on the printing wheel (101) are printed on the surface of a soft material in a reticulate manner;
s4, transposition stripping: after the printing is continuously carried out for a period of time, the flexible ink absorbing sheet (4) is contacted with the printing wheel (101) and absorbs and bonds more ink, the flexible ink absorbing sheet (4) is driven to move depending on the adsorption type doctor blade (3) by peeling the electromagnetic assembly (9), so that the ink on the flexible ink absorbing sheet (4) is peeled off by the adjusting type ink peeling roller (5) when the flexible ink absorbing sheet (4) moves, and the flexible ink absorbing sheet (4) continuously absorbs and scrapes the ink in the moving process;
s5, ink absorption printing: the gravure printing machine body (1) continuously conveys soft materials to enable the printing controller (2) to print the soft materials under the action of the flexible ink absorption sheet (4);
s6, post-processing: and carrying out post-treatment on the printed soft material.
2. The utility model provides a softwood material is with adsorbing peel formula printing device which characterized in that: including gravure press body (1), install printing wheel (101) and take turns (101) matched with absorption type ink scraping knife (3) with printing in gravure press body (1), the steady spout of gas (301) has all been seted up at both ends about absorption type ink scraping knife (3), the steady spout of gas (301) inner wall sliding connection has peels off carry over pinch rolls (401), the equal fixedly connected with in both ends is located the steady spout of gas (301) downside peels off guide roll (402) about absorption type ink scraping knife (3), peel off carry over pinch rolls (401) outer end fixedly connected with parcel flexible ink absorption piece (4) in the absorption type ink scraping knife (3) outside, and flexible ink absorption piece (4) with peel off guide roll (402) sliding connection, inner wall fixed mounting has and peels off carry over pinch rolls (401) matched with and peels off electromagnetic component (9) on the steady spout of gas (301), ink roller (5) are shelled to the regulation type that absorption type ink scraping knife (3) lower extreme is connected with a pair of mirror image setting, and the adjusting type ink stripping roller (5) is positioned outside the flexible ink absorbing sheet (4).
3. The adsorption stripping type printing device for soft materials according to claim 2, characterized in that: the stripping traction roller (401) is close to one end of the air-stable sliding groove (301) and is fixedly connected with a sliding blocking piece (903), the movable end of the stripping electromagnetic assembly (9) is fixedly connected with the upper end of the sliding blocking piece (903), the upper end of the sliding blocking piece (903) is fixedly connected with a balance telescopic air sleeve (901) on one side of the stripping electromagnetic assembly (9), the lower end of the sliding blocking piece (903) is fixedly connected with an air-equalizing telescopic sleeve (902), and the air-equalizing telescopic sleeve (902) and the balance telescopic air sleeve (901) are connected through an air equalizing pipe.
4. The adsorption stripping type printing device for soft materials according to claim 2, characterized in that: the equal fixedly connected with in both ends adjusts stay (502) around adjusting type ink stripping roller (5), adjust stay (502) other end and absorption type doctor blade (3) fixed connection.
5. The adsorption stripping type printing device for soft materials according to claim 2, characterized in that: a plurality of elasticity of regulation type are shelled china ink tooth (501) of ink roller (5) outer end fixedly connected with, and elasticity is shelled china ink tooth (501) outer wall coating antiseized layer.
6. The adsorption stripping type printing device for soft materials according to claim 2, characterized in that: the utility model discloses an ink scraping device, including adsorption type doctor blade (3), bracing piece groove (302) have been seted up to adsorption type doctor blade (3) lower extreme, inner wall fixed mounting has bracing piece electromagnetic component (8) on bracing piece groove (302), bracing piece electromagnetic component (8) lower extreme is connected with props piece doctor blade subassembly (6) with flexible blotting piece (4) matched with.
7. The adsorption stripping type printing device for soft materials according to claim 6, characterized in that: prop piece wiping subassembly (6) including light ring (601), prop piece electromagnetic component (8) lower extreme fixedly connected with light ring (601), the flexible pipe (604) of a plurality of gas accuses of fixedly connected with in light ring (601), the equal gas air core pipe (602) that light ring (601) lower extreme fixedly connected with and the flexible pipe (604) of gas accuse put through mutually, equal gas air core pipe (602) lower extreme fixedly connected with props (603) rather than the gas drum fan-shaped of putting through mutually.
8. The adsorption stripping type printing device for soft materials according to claim 7, characterized in that: the utility model discloses a fan-shaped gas drum props flexible blotting piece of (603) internal fixation and is connected with a plurality of flexible stay pipes (6031), and flexible stay pipe (6031) upper end and gas-sharing hollow pipe (602) switch-on mutually, the fan-shaped equal power arc piece of propping of gas drum (603) lower extreme fixed connection, equal power arc piece cooperatees with flexible blotting piece (4).
9. The adsorption stripping type printing device for soft materials according to claim 7, characterized in that: light ring (601) upper end fixedly connected with and brace piece groove (302) sliding fit's magnetism isolation slide (7), magnetism isolation slide (7) and the flexible pipe (604) fixed connection of gas accuse, the flexible pipe (604) of gas accuse is kept away from light ring (601) one end and is extended to the absorption type ink eraser (3) outside to be connected with the pneumatic structure of gravure press body (1).
10. The adsorption stripping type printing process for soft materials according to claim 7, characterized in that: both ends all fixedly connected with splines fin (605) about light ring (601), both sides inner wall is seted up with splines fin (605) matched with splines elongated slot (303) about brace groove (302).
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| CN113799508B (en) | 2023-05-09 |
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Effective date of registration: 20230417 Address after: No. 30 Donghuan Road, Dinghuo Town, Jiangdu District, Yangzhou City, Jiangsu Province, 225200 Applicant after: Yangzhou Hualun printing and packaging Co.,Ltd. Address before: 535000 No. 29, Renmin Road, Dadong Town, Qinbei District, Qinzhou City, Guangxi Zhuang Autonomous Region Applicant before: Di Chengqin |
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