CN117341355B - Anilox roller ink-carrying printing system in label processing - Google Patents
Anilox roller ink-carrying printing system in label processing Download PDFInfo
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- CN117341355B CN117341355B CN202311641160.XA CN202311641160A CN117341355B CN 117341355 B CN117341355 B CN 117341355B CN 202311641160 A CN202311641160 A CN 202311641160A CN 117341355 B CN117341355 B CN 117341355B
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- anilox
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- 238000007774 anilox coating Methods 0.000 title claims abstract description 148
- 238000007639 printing Methods 0.000 title claims abstract description 69
- 238000012545 processing Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000007790 scraping Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 30
- 230000033001 locomotion Effects 0.000 claims description 18
- 238000007641 inkjet printing Methods 0.000 claims 3
- 239000007788 liquid Substances 0.000 abstract description 26
- 238000013461 design Methods 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000007647 flexography Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- SRVXSISGYBMIHR-UHFFFAOYSA-N 3-[3-[3-(2-amino-2-oxoethyl)phenyl]-5-chlorophenyl]-3-(5-methyl-1,3-thiazol-2-yl)propanoic acid Chemical class S1C(C)=CN=C1C(CC(O)=O)C1=CC(Cl)=CC(C=2C=C(CC(N)=O)C=CC=2)=C1 SRVXSISGYBMIHR-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010017 direct printing Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/26—Construction of inking rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2231/00—Inking devices; Recovering printing ink
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention relates to an anilox roller ink-carrying printing system in label processing, which comprises an ink-carrying base, a positioning support, an ink-carrying printing unit and an ink scraping unit. According to the design of the scraper plate adopted by the invention, along with the rotation of the metal anilox roller, the shaking amplitude formed by the ink in the region is small, the ink liquid level is always kept to be fully soaked and attached to the inner wall of the corresponding anilox roller, the ink carrying quantity is ensured not to be influenced by the shaking of the liquid level, so that the uniform printing of the ink carrying quantity is finished, and meanwhile, the end sealing plates effectively avoid the leakage of the ink, so that a user can conveniently increase the ink regularly or quantitatively; on the other hand, in the process of assembling the anilox roller, the axis of the anilox roller is consistent with the width of the label, so that the label is printed under the required tension due to cooperation between printing and transmission, the reject rate and the rejection rate of the label are reduced, and the processing cost is controlled.
Description
Technical Field
The invention belongs to the technical field of printing, and particularly relates to an anilox roller ink-carrying printing system in label processing.
Background
Flexography is a direct printing process, called flexography, due to the use of flexible, raised image plates. The flexo printing plate is stuck on the printing cylinder, the printing plate is supplied with ink by an engraved metal anilox roller, and the running of the label product is finished while printing.
However, the anilox roller has the following technical difficulties during printing:
1) The ink carrying quantity cannot be uniformly controlled, and the main reasons are that the adopted scraper is basically attached to the inner wall of the metal anilox roller, two ends of the scraper are basically open, when the ink is supplied from the end part, the ink can shake in an area along with the rotation of the metal anilox roller, so that the anilox roller cannot uniformly carry the ink, and the ink is easily leaked from the shaft end;
2) In the process of replacing and installing the anilox roller, if the axis of the anilox roller and the width of the label cannot be kept consistent, the label cannot cooperate with each other due to printing and transmission, and the reject ratio after printing is greatly increased (for example: printing position shift, unclear printing, etc.), and printing under tension cannot be ensured, ink is wasted, and raw materials are wasted, so that processing cost is difficult to control.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a brand-new anilox roller ink-carrying printing system in label processing.
In order to solve the technical problems, the invention adopts the following technical scheme:
an anilox roll ink-receptive printing system in label processing, comprising:
the ink carrying base is fixed with a printing station of the label processing assembly line in a dismounting way;
the positioning support comprises two positioning modules which are positioned at two ends of the anilox roller and form positioning grooves with openings facing upwards, wherein the positioning grooves are matched with the shaft ends of the anilox roller, and the axis of the anilox roller is horizontally erected on the two positioning modules;
the ink-carrying printing unit comprises a power module and a driven module which are positioned at two sides of the positioning module, wherein the anilox roller is taken out or retracted from the positioning module in a state that the axis line of the anilox roller is kept horizontal in the movement of the driven module approaching or moving away from the power module, and the anilox roller rotates and prints along with the movement of the power module under the rolling support formed by the driven module and the power module;
the ink scraping unit comprises a bracket, hack levers and scraper plates, wherein the bracket is disassembled and assembled at two ends of the anilox roller, the hack levers are installed on the bracket and transversely penetrate through the anilox roller, the scraper plates are arranged on the hack levers, the scraper ends of the scraper plates are attached to the inner wall of the anilox roller, the scraper ends of the scraper plates form ink storage areas with two blocked ends and open tops, and the liquid level of ink in the ink storage areas is located above the contact parts of the scraper ends and the inner wall of the anilox roller.
According to a specific and preferred aspect of the invention, the power module comprises a driving gear meshed with the end of the anilox roller, a driving motor and a driving wheel; the driven module comprises a movable seat, an upper positioning wheel, a lower positioning wheel and a power assembly, wherein the movable seat is arranged on the ink carrying base in a sliding manner along the left-right direction, the upper positioning wheel and the lower positioning wheel are arranged on the movable seat in a rotating manner around the axis of the driven module, and the upper positioning wheel and the lower positioning wheel are relatively close to or far away from the driving wheel to take out or retract from the positioning module in a state that the axis of the anilox roller is kept horizontal in the motion of the driving wheel. The anilox roller is formed into a rolling support by adopting a rolling joint and lifting mode, and the axes of the anilox roller can be adjusted by the relative movement of a plurality of wheels so as to keep the axis in a horizontal state.
Preferably, the upper positioning wheel, the lower positioning wheel and the driving wheel are distributed in a triangle, wherein the connecting line of the wheel centers of the upper positioning wheel and the lower positioning wheel forms the bottom edge of the triangle, the wheel center of the driving wheel forms the vertex of the triangle, and the axle center of the anilox roller is positioned on the vertical line from the vertex to the bottom edge.
In some embodiments, the right side of the lower positioning wheel emerges from the right side of the upper positioning wheel, and the triangle is an isosceles triangle. By means of the layout, the anilox roller can be better jacked up, so that rolling support is formed. Meanwhile, the upper positioning wheel, the lower positioning wheel and the driving wheel form a rolling support group, wherein the rolling support comprises at least two rolling support groups which are respectively distributed at the shaft ends of the anilox roller. Thus, the support is stable, and the printing with high precision is facilitated.
According to still another specific and preferred aspect of the present invention, a slide rail extending in the left-right direction is provided at the ink-carrying base, and the moving seat is slidably provided on the slide rail, and the two or more rolling support groups move synchronously with the moving seat. Thereby, the stability of the rolling support is improved.
Preferably, the power component is a telescopic rod moving along the left-right direction, and the power of the telescopic rod is hydraulic, electric or pneumatic.
According to a further specific and preferred aspect of the invention, the centre line of the hack lever is parallel to the axis of the anilox roller and is arranged flush. The design layout of the scraper plate is convenient, meanwhile, the hack lever is relatively close to the inner wall of the anilox roller, so that the excessive ink on the inner wall is more facilitated to be shoveled, and the relatively uniform ink carrying quantity is maintained.
In some embodiments, the liquid level of the ink in the ink storage area is 1-3 mm above the contact part of the end part of the scraper and the inner wall of the anilox roller. In general, 2mm is enough, and once the liquid level is too low, the liquid level acts along with the movement of the anilox roller, so that the ink carrying quantity is uneven; once the liquid level is too high, the ink leaks out along with the action of the liquid level caused by the movement of the anilox roller, and the printing quality is affected. The scraper end face of the scraper plate is attached to the inner wall of the lower right side of the anilox roller, and under the design, the scraper plate is directly separated from the anilox roller only by lifting the rack rod upwards, and redundant ink can be reserved in an ink storage area to finish the replacement of the anilox roller.
According to a further specific implementation and preferred aspect of the present invention, the doctor plate comprises a first plate body extending downwards from the rack bar, a second plate body extending rightwards from the bottom of the first plate body, a third plate body extending upwards from the end part of the second plate body, and end sealing plates arranged at two ends of the second plate body and the third plate body, wherein the third plate body is attached to the inner wall of the anilox roller from the end face, and an ink storage area is formed among the second plate body, the third plate body and the end sealing plates. The layout effectively avoids the leakage of the ink or uneven ink carrying quantity.
Preferably, the angle formed between the second plate body and the third plate body is an obtuse angle. Generally, the angle is 160-175 degrees, so that the ink liquid level can be conveniently controlled.
In some embodiments, the sealing plate is triangular and is flush-fitted at the junction of the second plate body and the third plate body; the end face of the end sealing plate is also attached to the inner wall of the anilox roller.
In addition, the bracket comprises a bracket body and a sliding seat which is arranged on the bracket body in an up-and-down sliding adjustment way, and the hack lever is inserted into the sliding seat from the end part. The ink scraping unit comprises a frame body, a sliding seat, a guide rail, an adjusting bolt, a fastening bolt and a fixing bolt, wherein the guide rail is arranged on the frame body and extends up and down, the sliding seat is arranged on the guide rail in a sliding mode, and the ink scraping unit further comprises the adjusting bolt and the fastening bolt. Through the regulation of the upper and lower direction of support, can directly carry out the laminating of scraper board and break away from the operation to make things convenient for the change of reticulation roller.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
in the ink-carrying printing of the existing anilox roller, the adopted scraper is basically attached to the inner wall of the metal anilox roller, two ends of the scraper are basically open, when ink is supplied from the end part, the ink can shake in an area along with the rotation of the metal anilox roller, so that the anilox roller cannot uniformly transfer the ink, and the ink is easy to leak from the shaft end; meanwhile, in the process of replacing and installing the anilox roller, the axial lead of the anilox roller and the width of the label cannot be kept consistent, so that the label cannot cooperate with each other due to printing and transmission, the reject ratio (such as offset of printing position, unclear printing and the like) after printing is greatly increased, printing cannot be ensured under tension, ink is wasted, raw materials are wasted, and processing cost is difficult to control. After the system is adopted, the widths of an anilox roller axis and a label are kept consistent through an ink loading printing unit, meanwhile, rolling printing is carried out along with the movement of the power module under the rolling support formed by a driven module and the power module, then, excessive ink is scraped by a scraper plate through the height setting of an ink storage area and the ink liquid level, and printing with uniform ink loading is carried out, therefore, compared with the prior art, the design of the scraper plate adopted in the invention has small shaking amplitude formed by the ink in an area along with the rotation of a metal anilox roller, the ink liquid level is always kept to be fully soaked and attached to the inner wall of the corresponding anilox roller, the ink loading is ensured not to be influenced by the shaking of the liquid level, the uniform printing of the ink loading is finished, and meanwhile, the end sealing plate effectively avoids the leakage of the ink, so that a user can conveniently increase the ink regularly or quantitatively; on the other hand, in the process of assembling the anilox roller, the axis of the anilox roller is consistent with the width of the label, so that the label is printed under the required tension due to cooperation between printing and transmission, the reject rate and the rejection rate of the label are reduced, and the processing cost is controlled.
Drawings
FIG. 1 is a schematic diagram of the structure of an anilox roll ink-carrying printing system in label processing of the present embodiment;
FIG. 2 is a schematic front view of FIG. 1;
FIG. 3 is a schematic top view of FIG. 2;
FIG. 4 is a schematic top view of the anilox ink-carrier printing system in label processing of the present embodiment as it is printing;
FIG. 5 is a schematic view of a partial structure of the anilox roller of FIG. 1 in a positioning support state;
FIG. 6 is a schematic view of a partial structure of the anilox roller of FIG. 1 in a rolling support state;
FIG. 7 is an enlarged schematic cross-sectional view of the anilox roller and doctor blade of FIG. 1;
FIG. 8 is an enlarged partial schematic view of FIG. 7;
wherein: 1. an ink-carrying base;
2. positioning a support; 20. a positioning module; 200. a positioning groove;
3. an ink-carrying printing unit; 30. a power module; 300. a drive gear; 301. a drive motor; 302. a driving wheel; 31. a driven module; 310. a movable seat; 311. an upper positioning wheel; 312. a lower positioning wheel; 313. a power assembly; 314. a slide rail;
4. a wiping unit; 40. a bracket; 400. a frame body; 401. a sliding seat; 41. a hack lever; 42. a doctor plate; 421. A first plate body; 422. a second plate body; 423. a third plate body; 424. a seal plate; 43. a guide rail; 44. an adjusting bolt; 45. a fastening bolt;
w, an anilox roller; m1, a gear; q, ink storage area.
Description of the embodiments
In order to make the above objects, features and advantages of the present application more comprehensible, the present application is described in detail below with reference to the accompanying drawings and detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
In this application, unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above" and "over" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under," "under" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "up," "down," "left," "right," and similar expressions are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1 to 8, the anilox roller ink-carrying printing system in label processing according to the present embodiment includes an ink-carrying base 1, a positioning support 2, an ink-carrying printing unit 3, and an ink scraping unit 4, wherein the ink-carrying base 1 is detachably fixed to a printing station of a label processing line; the positioning support 2 is used for horizontally positioning and supporting the anilox roller W, and the ink-carrying printing unit 3 is used for taking away or withdrawing the anilox roller W from the positioning and supporting and driving the anilox roller W to rotate for printing; the wiping unit 4 is used for ink-carrying amount control of the anilox roller W.
The positioning support 2 comprises two positioning modules 20 which are positioned at two ends of the anilox roller W and form an upward opening positioning groove 200, wherein the positioning groove 200 is matched with the shaft end of the anilox roller W, and the shaft axis of the anilox roller W is horizontally erected on the two positioning modules 20.
The ink-carrying printing unit 3 comprises a power module 30 and a driven module 31 which are positioned at two sides of the positioning module 20, wherein the power module 30 is positioned at the right side, the driven module 31 is positioned at the left side, and the power module 30 comprises a driving gear 300, a driving motor 301 and a driving wheel 302 which are meshed with the end part of the anilox roller W; the driven module 31 includes a moving base 310 slidably provided on the ink carrying base 1 in the left-right direction, upper and lower positioning wheels 311 and 312 mounted on the moving base 310, and a power assembly 313.
In some embodiments, the two ends of the anilox roller W are respectively provided with a gear m1, the driving gear 300 and the driving wheel 302 are coaxial, wherein the two driving gears 300 are respectively meshed with the gears m1 at the two ends, and the driving wheel 302 is in rolling fit with the shaft end of the anilox roller W; the upper positioning wheel 311 and the lower positioning wheel 312 are both arranged in a rotating way around the axis of the upper positioning wheel 311, and the right side of the lower positioning wheel 312 protrudes out of the right side of the upper positioning wheel 311 and is distributed in a triangle shape. Meanwhile, the upper positioning wheel 311, the lower positioning wheel 312 and the driving wheel 302 form a rolling support group, wherein the rolling support comprises two rolling support groups and is respectively distributed at two shaft ends of the anilox roller W.
Further, the upper positioning wheel 311, the lower positioning wheel 312, and the driving wheel 302 are isosceles triangles, wherein the center of the isosceles triangle coincides with the axis of the anilox roller, and at this time, the printing precision can be optimally represented. In short, the upper positioning wheel 311 and the lower positioning wheel 312 withdraw or retract the anilox roller W from the positioning module 20 while maintaining the axis line in a horizontal state in a movement relatively close to or away from the driving wheel 302. The anilox roller is formed into a rolling support by adopting a rolling joint and lifting mode, and the axes of the anilox roller can be adjusted by the relative movement of a plurality of wheels so as to keep the axis in a horizontal state.
In order to facilitate the movement of the driven module 31, in this example, a sliding rail 314 extending along the left-right direction is disposed on the ink-carrying base 1, the moving seat 310 is slidably disposed on the sliding rail 314, and the two rolling support groups move synchronously with the moving seat 310. Meanwhile, the power assembly 313 is a hydraulic cylinder or an air cylinder moving along the left-right direction, and is combined with fig. 5 and 6, the anilox roller W is erected on the two positioning modules 20 from the shaft end, then the anilox roller W moves rightwards synchronously by the upper positioning wheel 311 and the lower positioning wheel 312, the anilox roller W is firstly pushed out of the positioning groove 200 by the lower positioning wheel 312 and is lifted upwards to be attached to the driving wheel 302, and meanwhile, the anilox roller W is supported between the upper positioning wheel 311, the lower positioning wheel 312 and the driving wheel 302 in a rolling way by the upper positioning wheel 311 and is meshed and transmitted by the gear m1 and the driving gear 300, so that the rotation printing of the anilox roller W is realized.
Referring to fig. 1 and 7 again, the ink scraping unit 4 comprises a bracket 40 which is assembled and disassembled at two ends of the anilox roller W, a hack lever 41 which is installed on the bracket 40 and transversely penetrates through the anilox roller W, and a scraper plate 42 which is arranged on the hack lever 41, wherein the scraper plate 42 is attached to the inner wall of the anilox roller W from the scraper end, the scraper end of the scraper plate 42 forms an ink storage area q with two open ends, the liquid level of the ink in the ink storage area q is positioned above the contact part between the scraper end and the inner wall of the anilox roller, and the liquid level is 1-3 mm higher, and is enough in general 2mm once the liquid level is too low, the ink carrying quantity is uneven due to the action of the liquid level caused by the movement of the anilox roller; once the liquid level is too high, the ink leaks out along with the action of the liquid level caused by the movement of the anilox roller, and the printing quality is affected. The scraper end face of the scraper plate is attached to the inner wall of the lower right side of the anilox roller, and under the design, the scraper plate is directly separated from the anilox roller only by lifting the rack rod upwards, and redundant ink can be reserved in an ink storage area to finish the replacement of the anilox roller.
In some embodiments, the bracket 40 includes a bracket body 400, a sliding seat 401 provided on the bracket body 400 to be slidably adjusted up and down, and the hack lever 41 is inserted into the sliding seat 401 from an end. The center line of the hack lever 41 is parallel to the axis line of the anilox roller W and is arranged in a flush manner, meanwhile, the hack lever 41 is relatively close to the inner wall of the anilox roller W, so that the removal of excessive ink on the inner wall is facilitated, and the relatively uniform ink carrying quantity is maintained. The doctor plate 42 includes a first plate body 421 extending downward from the frame bar 41, a second plate body 422 extending rightward from the bottom of the first plate body 421, a third plate body 423 extending upward from the end of the second plate body 422, and end-capping plates 424 provided at both ends of the second plate body 422 and the third plate body 423, wherein the third plate body 423 and the end-capping plates 424 are attached to the inner wall of the anilox roller W from the end surfaces, an ink storage area q is formed between the second plate body 422, the third plate body 423, and the end-capping plates 424, and an angle formed between the second plate body 422 and the third plate body 423 is an obtuse angle. Generally, the angle is 160-175 degrees, in this example 166 degrees, which facilitates control of the ink level. The sealing plate 424 is triangular and is flush-attached to the connection between the second plate 422 and the third plate 423.
Further, a guide rail 43 extending up and down is provided on the frame body 400, the sliding seat 401 is slidably provided on the guide rail 43, and the ink scraping unit 4 further includes an adjusting bolt 44 moving in the up and down direction, and a fastening bolt 45 for fixedly connecting the sliding seat 401 with the frame body 400. Through the regulation of the upper and lower direction of support, can directly carry out the laminating of scraper board and break away from the operation to make things convenient for the change of reticulation roller.
In summary, after the system is adopted, the widths of an anilox roller axis and a label are consistently disassembled and assembled through an anilox printing unit, meanwhile, the printing is rotated along with the movement of the power module under the rolling support formed by a driven module and the power module, and then, excessive ink is scraped by a scraper plate through the height setting of an ink storage area and an ink liquid level, and the printing with uniform ink carrying capacity is implemented, so compared with the prior art, the design of the scraper plate adopted by the invention has the advantages that the shaking amplitude formed by the ink in an area is small along with the rotation of a metal anilox roller, the ink liquid level is always kept to be fully soaked and attached to the inner wall of the corresponding anilox roller, the ink carrying capacity is ensured not to be influenced by the shaking of the liquid level, the uniform printing of the ink carrying capacity is completed, and meanwhile, the leakage of the ink is effectively avoided at the end sealing plate, so that a user can conveniently increase the ink regularly or quantitatively; on the other hand, in the process of assembling the anilox roller, the axial lead of the anilox roller is consistent with the width of the label, so that the label is printed under the required tension due to cooperation between printing and transmission, the reject rate and the rejection rate of the label are reduced, and the processing cost is controlled; in the third aspect, only a single anilox roller is replaced, the whole printing carrier is not required to be replaced, and the anilox roller is convenient to disassemble and assemble; in the fourth aspect, the anilox roller is formed into a rolling support by adopting a rolling joint and lifting mode, and the axes of the anilox roller can be adjusted by the relative movement of a plurality of wheels so as to keep the axis in a horizontal state; the upper positioning wheel, the lower positioning wheel and the driving wheel are distributed in a triangle (isosceles triangle or equilateral triangle), wherein when the anilox roller is printed, the center of the triangle coincides with the axis of the anilox roller, so that the jacking or retreating operation of the anilox roller is conveniently implemented, rolling support is completed under the alignment of the three wheels, and meanwhile, the axis of the anilox roller is ensured to be consistent with the width of a label, so that printing of required tension and transmission of a thin-layer label product are completed; the frame rods in the sixth aspect are distributed in positions, so that the design layout of the scraper plate is facilitated, meanwhile, the frame rods are relatively close to the inner wall of the anilox roller, the excessive ink on the inner wall is more facilitated to be shoveled out, and the relatively uniform ink carrying quantity is maintained; the seventh aspect is that the liquid level of the ink in the ink storage area is 1-3 mm above the contact part of the scraper end and the inner wall of the anilox roller, and 2mm is enough in general, once the liquid level is too low, the ink carrying quantity is uneven due to the action of the liquid level caused by the movement of the anilox roller; once the liquid level is too high, the ink leaks along with the action of the liquid level caused by the movement of the anilox roller, so that the printing quality is affected; the scraper end face of the scraper plate in the eighth aspect is attached to the inner wall of the lower part of the right side of the anilox roller, and in the design, the scraper plate is directly separated from the ink roller only by lifting the rack rod upwards, and excessive ink can be reserved in an ink storage area to finish the replacement of the anilox roller; the angle formed between the second plate body and the third plate body is an obtuse angle, and is generally 160-175 degrees, so that the ink level can be conveniently controlled; according to the tenth aspect, the attachment and detachment operation of the scraper plate can be directly performed through the up-down direction adjustment of the bracket, so that the replacement of the anilox roller is facilitated.
The present invention has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present invention and to implement the same, but not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (14)
1. An anilox roll ink-fed printing system in label processing, comprising:
the ink carrying base is fixed with a printing station of the label processing assembly line in a dismounting way;
the positioning support comprises two positioning modules which are positioned at two ends of the anilox roller and form positioning grooves with openings facing upwards, wherein the positioning grooves are matched with the shaft ends of the anilox roller, and the axis of the anilox roller is horizontally erected on the two positioning modules;
the ink-carrying printing unit comprises a power module and a driven module which are positioned at two sides of the positioning module, wherein the anilox roller is taken out or retreated from the positioning module in the mode that the power module is relatively close to or far from the driven module, the axis of the anilox roller is consistent with the width direction of the label, and the anilox roller rotates and prints along with the movement of the power module under the rolling support formed by the power module and the driven module;
the ink scraping unit comprises a bracket, a hack lever and a scraper plate, wherein the hack lever is mounted on the bracket and transversely penetrates through the anilox roller, the scraper plate is arranged on the hack lever, the scraper plate is attached to the inner wall of the anilox roller from the scraper end portion, the scraper end portion of the scraper plate forms an ink storage area with two open ends, the cross section of the ink storage area is gradually narrowed from top to bottom, the ink level of ink in the ink storage area is located above the contact portion between the scraper end portion and the inner wall of the anilox roller, the bracket comprises a bracket body, a sliding seat is arranged on the bracket body in a vertically sliding mode, the hack lever is inserted into the sliding seat from the end portion, the scraper plate comprises a first plate body extending downwards from the hack lever, a second plate body extending rightwards from the bottom of the first plate body, a third plate body extending upwards from the end portion of the second plate body, and end sealing plates arranged at two ends of the second plate body and the third plate body, wherein the third plate body is attached to the inner wall of the anilox roller from the end face of the inner wall of the ink storage area, the third plate body and the end sealing plates are formed between the second plate body and the ink storage area.
2. The anilox roll ink-fed printing system in label processing of claim 1, wherein one of the power module and the driven module is fixed and the other is relatively moved in a left-right direction; or, the power module and the driven module can move along the left-right direction.
3. The anilox roll ink-fed printing system of claim 1, wherein the power module comprises a drive gear, a drive motor, and a drive wheel engaged with the end of the anilox roll; the driven module comprises a moving seat, an upper positioning wheel, a lower positioning wheel and a power assembly, wherein the moving seat is arranged on the ink carrying base in a sliding manner along the left-right direction, the upper positioning wheel and the lower positioning wheel are arranged on the moving seat in a rotating manner around the axis of the upper positioning wheel and the lower positioning wheel, and the anilox roller is taken out or retracted from the positioning module in a state that the axial lead of the anilox roller is kept horizontal in the motion of relatively approaching or separating from the driving wheel.
4. The anilox roll ink-carrying printing system in label processing according to claim 3, wherein the upper positioning wheel, the lower positioning wheel and the driving wheel are distributed in a triangle shape, wherein a wheel center connecting line of the upper positioning wheel and the lower positioning wheel forms a base of the triangle, a wheel center of the driving wheel forms a vertex of the triangle, and an axle center of the anilox roll is located on a vertical line from the vertex to the base.
5. The anilox roll ink-receptive printing system in label processing of claim 4, wherein the right side of the lower positioning wheel emerges from the right side of the upper positioning wheel, and the triangle is isosceles triangle.
6. The anilox roll ink-receptive printing system in label processing according to claim 3, 4 or 5, wherein the upper positioning wheel, the lower positioning wheel and the drive wheel form a rolling support group, wherein the rolling support comprises at least two rolling support groups, and the rolling support groups are respectively arranged at the shaft ends of the anilox rolls.
7. The anilox roll ink-jet printing system in label processing according to claim 6, wherein a slide rail extending in a left-right direction is provided on the ink-jet base, the movable base is slidably provided on the slide rail, and two or more rolling support groups move synchronously with the movable base.
8. The anilox roll ink printing system in label processing according to claim 3 or 7, wherein the power assembly is a telescopic rod moving in a left-right direction, and the power of the telescopic rod is hydraulic, electric or pneumatic.
9. The anilox roll ink-receptive printing system in label processing of claim 1, wherein a centerline of the hack lever is parallel to and disposed flush with an axis of the anilox roll.
10. Anilox roll ink-fed printing system in label processing according to claim 1 or 9, wherein the level of ink in the ink reservoir is 1-3 mm above the contact between the doctor blade end and the inner wall of the anilox roll.
11. The anilox roll ink-jet printing system in label processing according to claim 1 or 9, wherein the doctor end surface of the doctor plate is attached to the inner wall of the right lower part of the anilox roll.
12. The anilox roll ink-receptive printing system in label processing of claim 1, wherein the angle formed between the second plate and the third plate is an obtuse angle.
13. The anilox roll ink-jet printing system in label processing according to claim 1, wherein the end sealing plate is triangular and is flush attached to the joint of the second plate body and the third plate body; and/or the end face of the end sealing plate is also attached to the inner wall of the anilox roller.
14. The anilox roll ink-carrying printing system in label processing according to claim 1, wherein a guide rail extending up and down is provided on the frame body, the sliding seat is slidably provided on the guide rail, and the ink scraping unit further comprises an adjusting bolt moving in up and down direction, and a fastening bolt for fixedly connecting the sliding seat with the frame body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311641160.XA CN117341355B (en) | 2023-12-04 | 2023-12-04 | Anilox roller ink-carrying printing system in label processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311641160.XA CN117341355B (en) | 2023-12-04 | 2023-12-04 | Anilox roller ink-carrying printing system in label processing |
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| CN117341355B true CN117341355B (en) | 2024-03-22 |
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| GB882368A (en) * | 1959-07-31 | 1961-11-15 | De La Rue Thomas & Co Ltd | Inking systems for printing machines |
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| CN117341355A (en) | 2024-01-05 |
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