CN115431627A - Scattered plate making and pasting method based on flexible plate preprinting process - Google Patents
Scattered plate making and pasting method based on flexible plate preprinting process Download PDFInfo
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- CN115431627A CN115431627A CN202110626428.7A CN202110626428A CN115431627A CN 115431627 A CN115431627 A CN 115431627A CN 202110626428 A CN202110626428 A CN 202110626428A CN 115431627 A CN115431627 A CN 115431627A
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- 238000005520 cutting process Methods 0.000 claims abstract description 21
- 239000002390 adhesive tape Substances 0.000 claims abstract description 14
- 239000003292 glue Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 229920001651 Cyanoacrylate Polymers 0.000 claims description 4
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- 238000013461 design Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 2
- 239000000976 ink Substances 0.000 description 41
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/02—Engraving; Heads therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/12—Printing plates or foils; Materials therefor non-metallic other than stone, e.g. printing plates or foils comprising inorganic materials in an organic matrix
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Abstract
The invention discloses a scattered plate making and pasting method based on a flexible plate preprinting process, which comprises the steps of forming preset pasting coordinates according to the to-be-printed direction of a pre-designed printing pattern; correspondingly engraving a printing pattern on the resin plate; selecting a preset plate sticking coordinate matched with the printing pattern, and forming a plurality of plate sticking ink marks on the resin plate corresponding to the selected preset plate sticking coordinate; cutting the resin plate corresponding to the printing pattern, and keeping the plate sticking ink marks during cutting to form a scattered plate; attaching a double-sided adhesive tape; and adjusting a cross cursor of the plate pasting machine according to the selected preset plate pasting coordinate, aligning the plate pasting ink marks of the scattered plates to the cross cursor of the plate pasting machine to complete alignment, and then pasting the scattered plates on the plate belt, the printing plate roller or the plate pasting sleeve. The invention has reasonable design and simple and convenient operation, not only meets the accuracy of plate pasting, but also reduces the printing plate area of the resin plate, lightens the material consumption of the resin plate and the double faced adhesive tape, and can be applied to plate belts, plate pasting sleeves and various printing plates.
Description
Technical Field
The invention relates to the technical field of printing plate manufacturing processes, in particular to a scattered plate making and pasting method based on a flexible plate preprinting process.
Background
At present, the preprinting machine mainly comprises flexo preprinting and gravure preprinting, wherein the flexo preprinting is environment-friendly water-based ink, and the flexo preprinting is a mainstream advocating process of preprinting processing in order to respond to national carbon neutralization and clean production requirements. The principle of the flexographic preprinting is as follows: the printing content is engraved on the photosensitive resin plate by laser, then the engraved photosensitive resin plate is attached to a plate roller or a plate belt of a preprinting machine, then the preprinting machine is installed, and the printing ink on a screen roller of the preprinting machine is transferred to a printing stock through the photosensitive resin plate to complete printing. The current flexographic preprinting process has the biggest problem of high cost compared with other printing processes.
Firstly, the resin plate is adopted in the process of preprinting the flexographic plate, so that the cost of the printing plate is very high, on one hand, the unit price of the resin plate is high, on the other hand, the flexographic plate preprinting resin plate must be manufactured into a full plate in each color, otherwise, serious problems of inaccurate plate pasting, plate surface warping and the like exist, however, the area of the resin plate used for manufacturing the full plate is greatly increased compared with other printed plate surfaces, and after the area of the plate is increased, the use cost is naturally higher.
Secondly, the plate sticking process of the flexographic printing needs to adopt imported foam double-sided adhesive for plate sticking, the price is high, the flexographic preprinting resin plate needs to be made into a full plate in each color, the double-sided adhesive needs to be correspondingly stuck in a large area, and the use cost of the double-sided adhesive is also high.
The development of the flexographic preprinting process is greatly restricted by high cost caused by the two conditions, and the flexographic preprinting process is abandoned by many enterprises based on cost consideration, so that the green production requirement of national current-stage industrial production is difficult to be promoted in the preprinting process link.
Disclosure of Invention
In view of the above, it is necessary to provide a method for plate-making and pasting of scattered plates based on a flexographic preprinting process, which reduces the material consumption of a resin plate and a double-sided adhesive tape for flexographic preprinting by reducing the printing plate area of the resin plate on the premise of meeting the requirement of plate-pasting accuracy.
The invention is realized by the following technical scheme:
s1, forming a preset plate pasting coordinate according to a to-be-printed position of a pre-designed to-be-printed pattern; s2, correspondingly engraving a printing pattern on the resin plate according to the shape of the pre-designed pattern to be printed; s3, selecting a preset plate sticking coordinate matched with the printing pattern, and carrying out coordinate marking on the printing pattern carved on the resin plate corresponding to the selected preset plate sticking coordinate so as to form a plurality of plate sticking ink marks on the resin plate; s4, cutting the engraved resin plate corresponding to the printing pattern, and keeping corresponding plate sticking ink marks during cutting to form a scattered plate with the printing pattern and the corresponding plate sticking ink marks; s5, attaching double-sided adhesive tapes to the plate belts, the printing plate rollers or the plate attaching sleeves corresponding to the patterns to be printed; s6, adjusting the position of a cross cursor of the plate pasting machine to a selected preset plate pasting coordinate, and aligning plate pasting ink marks corresponding to the preset plate pasting coordinate on the scattered plates to the cross cursor of the plate pasting machine so as to paste the scattered plates on a plate belt, a plate printing roller or a plate pasting sleeve.
In one embodiment, the preset plate sticking coordinates are distributed along the central axis of the pattern to be printed; the pasting ink marks are in a cross shape, and a plurality of pasting ink marks are distributed along the central axis of the printing pattern.
In one embodiment, step S1 further includes: s11, when preset plate sticking coordinates are formed, marking the preset plate sticking coordinates according to sequence numbers; step S3 also includes: and S31, when the coordinate marking of the plate pasting ink marks is carried out, marking the plurality of plate pasting ink marks according to sequence serial numbers corresponding to the sequence marks of the preset plate pasting coordinates.
In one embodiment, step S6 further includes: s61, the cross cursor is adjusted according to the label sequence of the preset plate sticking coordinates, the plate sticking ink marks are aligned with the cross cursor one by one according to the label sequence, and the scattered plates are stuck on the plate belt, the plate roller or the plate sticking sleeve according to the label sequence.
In one embodiment, when there are a plurality of patterns to be printed in one printing process, the step S2 further includes: and S21, collectively arranging a plurality of pre-designed patterns to be printed on a resin plate for engraving.
In one embodiment, step S4 further includes: s41, cutting the engraved resin plate corresponding to each printing pattern, keeping corresponding plate sticking ink marks during cutting, forming a plurality of scattered plates with the printing patterns and the corresponding plate sticking ink marks, and storing the cut scattered plates in a classified manner according to the shapes of the printing patterns.
In one embodiment, the cut area of the relief plate is slightly larger than the coverage area of the corresponding printing pattern and the overlay plate ink on the resin plate.
In one embodiment, step S6 is followed by: s7, after the scattered plate is pasted on the plate belt, the printing plate roller or the pasting sleeve, secondary glue sealing is carried out on the scattered plate edge through an adhesive tape or a strong adhesive; wherein, when the super glue is adopted for secondary glue sealing, the glue is dried and solidified for more than 2 hours after being sealed.
The invention also provides a scattered plate making and pasting method based on the flexible plate preprinting process, which comprises the following steps: t1, paving the plate belt on a line drawing machine, and drawing the outlines of a plurality of patterns to be printed on the surface of the plate belt correspondingly through the line drawing machine according to the shapes and the orientations of a plurality of predesigned patterns to be printed; t2, engraving a plurality of pre-designed printing patterns on the resin plate, and cutting the engraved resin plate corresponding to each printing pattern to form a corresponding scattered plate; t3, attaching a double-sided adhesive tape to the printing plate corresponding to each pattern contour to be printed; and T4, sticking the scattered plate corresponding to the printing pattern on the plate strip according to the contour of the pattern to be printed drawn on the surface of the plate strip.
In one embodiment, step T4 is followed by: t5, after the scattered plate is pasted on the plate tape, secondary sealing glue is carried out on the edge of the scattered plate through an adhesive tape or a strong glue; wherein, when the super glue is adopted for secondary glue sealing, the glue is dried and solidified for more than 2 hours after being sealed.
Compared with the prior art, the technical scheme of the invention at least has the following advantages and beneficial effects:
according to the first embodiment of the invention, the plate sticking coordinate is preset during drawing design according to the orientation of the printing pattern, then the plate sticking ink marks are marked on the resin plate corresponding to the preset plate sticking coordinate during plate making, then the resin plate is cut, scattered plates carved with the printing pattern and the plate sticking ink marks are cut, finally the cross cursor of the plate sticking machine is prepositioned according to the preset labeling coordinate of the design drawing, and the scattered plates are accurately and firmly stuck on the plate belt, the plate roller or the plate sticking sleeve by utilizing the correspondence between the preset plate sticking coordinate and the plate sticking ink marks.
In the second embodiment of the invention, the shape and the direction of the printing pattern are drawn on the plate belt by using the line drawing machine, then the resin plate is cut to cut the scattered plate engraved with the printing pattern, and the scattered plate corresponding to the printing pattern is accurately attached to the plate belt according to the printing pattern drawn on the surface of the plate belt, so that the flexible printing method is suitable for flexible printing with low precision requirement, but is more convenient than the first embodiment and improves the universality of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a pre-design drawing provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a resin plate according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a cut-out relief plate according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of cross-shaped cursor positioning of a stencil sheet according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a plate after a scattered plate is pasted on a plate tape according to an embodiment of the present invention.
Icon: 1-a preset drawing, 11-a pattern to be printed, 12-a preset plate sticking coordinate, 2-a resin plate, 21-a scattered plate, 22-a printed pattern, 23-a plate sticking ink mark, 3-a plate belt and 31-a cross cursor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, a method for making a plate by a plate-making and pasting method based on a flexographic preprinting process will be described more clearly and completely with reference to the drawings in the embodiments of the present invention. While the preferred embodiment of the flexographic preprinting process based plate-making and pasting method is illustrated in the drawings, the flexographic preprinting process based plate-making and pasting method can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of the plate-making pasting method of the plate-making scattering based on the flexographic preprinting process more thorough and comprehensive.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, when used in reference to an orientation or positional relationship indicated in the drawings, or as otherwise customary for use in the practice of the invention, are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
The embodiment of the invention provides a scattered plate making and pasting method based on a flexible plate preprinting process, which comprises the following steps:
s1, as shown in fig. 1, adding a plurality of preset imposition coordinates 12 on a preset design drawing 1 according to a to-be-printed position of a to-be-printed pattern 11 on the preset design drawing 1 (the preset design drawing 1 designs an area region, a form size and a position of the to-be-printed pattern 11, and belongs to the prior art), wherein each preset imposition coordinate 12 has a certain and unique [ X, Y ] coordinate value, and the position of the corresponding to-be-printed pattern 11 can be identified by the plurality of preset imposition coordinates 12 corresponding to each to-be-printed pattern 11; in the present embodiment, preset imposition coordinates 12 are arranged along the central axis of the pattern to be printed 11. It is understood that the preset plate-attaching coordinates 12 as the position recognition marks may be reasonably distributed according to the shape of the pattern 11 to be printed, for example, may be distributed around the pattern 11 to be printed.
S2, as shown in fig. 2, according to the shape of the pre-designed pattern 11 to be printed, a printing pattern 22 can be correspondingly engraved on the resin plate 2, generally speaking, the printing pattern 22 on the resin plate is engraved by laser according to the design drawing, and is not described herein again for the prior art.
S3, as shown in the figures 1 and 2, selecting preset plate sticking coordinates 12 (such as A and F) matched with the printing patterns 22, and carrying out coordinate marking on the printing patterns 22 carved on the resin plate 2 corresponding to the preset plate sticking coordinates 12 so as to form a plurality of plate sticking ink marks 23 matched with the printing patterns 22 on the resin plate 2; generally speaking, the pattern sticking ink marks 23 are used as position identification marks formed corresponding to the preset pattern sticking coordinates 12, the distribution of the corresponding printing patterns 22 is the same as the distribution of the preset pattern sticking coordinates 12 corresponding to the pattern to be printed 11, in this embodiment, the two preset pattern sticking coordinates 12 closest to the two ends of the central axis of the pattern to be printed 11 are selected as the pattern sticking ink marks 23, and can be matched with the printing patterns 22.
And S4, as shown in FIG. 3, cutting the engraved resin plate 2 according to the printing pattern 22, reserving the corresponding plate sticking ink marks 23 during cutting, forming the scattered plate 21 with the printing pattern 22 and the corresponding plate sticking ink marks 23, and completing plate making of the scattered plate 21.
S5, attaching double-sided adhesive to the plate belt, the printing plate roller or the plate attaching sleeve corresponding to the pattern 11 to be printed; the area covered by the double-sided adhesive tape is larger than the area of the pattern 11 to be printed or the same as the area of the scattered plate 21.
S6, as shown in FIG. 4, adjusting the position of the cross cursor 31 of the plate sticking machine to the selected preset plate sticking coordinates 12 (such as A and F), wherein it can be understood that the coordinate data of all the preset plate sticking coordinates are correspondingly recorded in the plate sticking machine, so that the cross cursor 31 of the plate sticking machine can be accurately adjusted to any preset plate sticking coordinate; then, the scattered plate 21 is placed on the plate attaching machine, and as shown in fig. 5, the plate attaching ink marks 23 corresponding to the preset plate attaching coordinates 12 on the scattered plate 21 are aligned with the cross cursor 31 of the plate attaching machine, so that the scattered plate 21 is attached to the plate belt 3, the printing plate roller or the plate attaching sleeve, and the plate attaching of the scattered plate 21 is completed. In this embodiment, since there are only two pasting ink marks 23, the position of the cross cursor 31 of the pasting machine can be adjusted to a selected preset pasting coordinate 12 (for example, a), and the pasting ink mark 23 corresponding to the preset pasting coordinate 12 on the scattered plate 21 is aligned with the cross cursor 31 of the pasting machine, so as to paste the scattered plate 21 on the plate belt 3, the printing plate roller or the pasting sleeve, thereby completing the pasting on one side of the scattered plate 21; then, the position of the cross cursor 31 of the plate sticking machine is adjusted to another selected preset plate sticking coordinate 12 (for example, F), the plate sticking ink marks 23 corresponding to the preset plate sticking coordinate 12 on the scattered plate 21 are aligned with the cross cursor 31 of the plate sticking machine, so that the scattered plate 21 is stuck on the plate belt 3, the printing plate roller or the plate sticking sleeve, and the plate sticking on the other side of the scattered plate 21 is completed.
Further, as shown in fig. 2, the pad-pasting ink mark 23 is cross-shaped, and the axial direction of the cross-shape corresponds to the X-axis and the Y-axis, respectively, so that the pad-pasting ink mark 23 and the cross-shaped cursor 31 can be aligned with the pasting direction of the scattered plate 21 at one time.
Further, as shown in fig. 1, step S1 further includes: s11, when the preset plate sticking coordinates 12 are formed, marking the plurality of preset plate sticking coordinates 12 according to sequence numbers; as shown in fig. 2 and 3, step S3 further includes: and S32, when the coordinate marks of the pasting ink marks 23 are carried out, marking the plurality of pasting ink marks 23 according to sequence numbers corresponding to the sequence marks of the preset pasting coordinates 12. The pasting ink marks 23 can be further accurately corresponding to the preset pasting coordinates 12 through the sequential marks, and the correct direction of the scattered plate 21 can be distinguished; the problem that when the preset plate sticking coordinates 12 are distributed around the pattern 11 to be printed, the preset plate sticking coordinates 12 are too symmetrical, so that the pasting time is unclear and the pasting time is not clear can be solved.
Further, step S6 further includes: s61, the cross cursor is adjusted according to the label sequence of the preset plate sticking coordinates, the plate sticking ink marks are aligned with the cross cursor one by one according to the label sequence, and the scattered plates are stuck on the plate belt, the plate roller or the plate sticking sleeve according to the label sequence. The scattered plates are pasted according to the sequence numbers, so that the pasting process can be well recorded, and the condition that ink marks of a certain pasting plate or paste leakage of a certain corner is avoided.
It is understood that, in order to improve the printing efficiency, a plurality of patterns to be printed may be distributed on the plate belt, the plate roller or the pasting sleeve, so as to print a plurality of printing patterns simultaneously in one printing process, which also belongs to the protection scope of the present invention. When a plurality of printing patterns needing to be printed simultaneously exist in one-time printing process, a single printing pattern is taken as a reference, a plurality of preset plate pasting coordinates corresponding to the single printing pattern are taken as a reference group, a plurality of plate pasting inks corresponding to the plurality of preset plate pasting coordinates are taken as a contrast group, cut scattered plates with the single printing pattern and the plate pasting ink marks of the corresponding group are taken as a counting unit, when the scattered plates are pasted through a plate pasting machine, the corresponding reference group and the corresponding contrast group are combined to realize the scattered plate pasting of one counting unit, then the scattered plate pasting of the next counting unit is carried out, and the scattered plate pasting of all the printing patterns needing to be printed simultaneously is completed.
When the plate sticking of scattered plates is carried out by adopting the printing plate roller or the plate sticking sleeve, the cross cursor of the plate sticking machine can only move along the X-axis direction, and the Y-axis direction can be adjusted by rotating the printing plate roller or the plate sticking sleeve. Generally speaking, the device that the plate sticking machine is used for launching cross cursor is the camera that sets up along the X axle, and the quantity is two, consequently, the preset plate sticking coordinate of loosing the version with different ranks is the syntropy and distributes on the Y axle, and Y value is the same promptly, when the preset plate sticking coordinate that the syntropy distributes has been selected to the plate sticking ink mark of loosing the version with different ranks, the preset plate sticking coordinate that the syntropy that the board that looses that aligns different ranks distributes through two cameras respectively, realize the quick alignment of the scattered version of this different ranks and the accurate positioning of Y axle direction.
In addition, when the printing contents of the plurality of printing patterns are different but the shapes of the plurality of printing patterns are the same, the positions of the plurality of preset plate attaching coordinates (and the plurality of corresponding plate attaching ink marks) corresponding to different printing patterns can be properly adjusted, the positions can be adapted to the shapes of the printing patterns, and the corresponding printing patterns can be distinguished (for example, when the patterns to be printed are rectangles, the preset plate attaching coordinates can be distributed at four corners of the rectangular patterns and can also be distributed at four sides of the rectangular patterns). .
Further, when there are a plurality of printing patterns to be printed simultaneously in one printing process, the step S2 further includes: s21, a plurality of pre-designed printing patterns are arranged on a whole full-plate resin plate in a concentrated mode to be engraved, the resin plate is utilized to the maximum degree, and cutting gaps among scattered plates are reduced. By means of centralized arrangement, design of carving programs of printed patterns is further facilitated, and centralized carving efficiency is improved.
Further, step S4 further includes: s41, cutting the engraved resin plate corresponding to each printing pattern, keeping corresponding plate sticking ink marks during cutting, forming a plurality of scattered plates with the printing patterns and the corresponding plate sticking ink marks, and storing the cut scattered plates in a classified manner according to the shapes of the printing patterns. In order to improve the printing efficiency, a plurality of printing rollers are usually used for printing simultaneously, after the engraving of a plurality of resin plates is completed, a plurality of printing plates can be intensively stacked and then cut simultaneously, the scattered plates are classified and intensively stored according to the content of printing patterns after cutting, and the taking and the placing are accurate and convenient.
Furthermore, when the scattered plate is cut, the cutting area of the scattered plate is slightly larger than the covering area of the corresponding plate sticking ink marks and the printing patterns on the resin plate, so that a proper pasting operation area is reserved, and plate edge support can be achieved through subsequent secondary sealing glue.
Further, step S6 is followed by: and S7, after the scattered plate is pasted on the plate belt, the printing plate roller or the pasting sleeve, secondarily sealing the edge of the scattered plate by using an adhesive tape or a strong glue, and when secondary sealing is performed by using the strong glue, drying and solidifying for more than 2 hours, preferably 2-3 hours after sealing, so that the scattered plate is firmly attached to the plate belt, the printing plate roller or the pasting sleeve, and the printing quality is ensured.
The embodiment of the invention also provides a scattered plate making and plate pasting method based on the flexible plate preprinting process, which is suitable for a flexible preprinting unit with a line drawing machine and a plate belt, wherein the line drawing machine can draw a line frame which is approximately similar to the outline of a pattern to be printed on the plate belt correspondingly in the printing field, and the method comprises the following steps:
t1, paving the plate belt on a line drawing machine, and drawing the outlines of a plurality of patterns to be printed on the surface of the plate belt correspondingly through the line drawing machine according to the shapes and the orientations of a plurality of pre-designed patterns to be printed;
t2, engraving a plurality of pre-designed printing patterns on the resin plate, and cutting the engraved resin plate corresponding to each printing pattern to form a corresponding scattered plate;
t3, attaching a double-sided adhesive tape to the printing plate corresponding to each pattern contour to be printed;
and T4, sticking the scattered plate corresponding to the printing pattern on the plate strip according to the contour of the pattern to be printed drawn on the surface of the plate strip.
It can be understood that the operation modes of the steps T2 and T3 are almost the same as the operation modes of the steps S4 and S5 in the foregoing method, and in the step T4, because the outline of the pattern to be printed is similar to the printing pattern, the printing pattern engraved on the scattered plate and the outline of the pattern to be printed on the plate strip can be directly arranged and adhered correspondingly; the scattered plate can be arranged on the plate pasting machine, the printing pattern on the scattered plate and the outline of the pattern to be printed on the plate belt are overlapped through a cross cursor of the plate pasting machine to finish alignment, and then the scattered plate is pasted on the plate belt to finish plate pasting of the scattered plate.
Further, step T4 is followed by: and T5, after the scattered plate is adhered on the plate belt, performing secondary sealing on the edge of the scattered plate by using a strong adhesive, and drying and solidifying for more than 2 hours, preferably 2-3 hours after sealing, so that the scattered plate is firmly adhered to the plate belt, the printing plate roller or the plate adhering sleeve, and the printing quality is ensured.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A scattered plate making and pasting method based on a flexible plate preprinting process is characterized by comprising the following steps:
s1, forming a preset plate pasting coordinate according to a to-be-printed position of a predesigned to-be-printed pattern;
s2, correspondingly engraving a printing pattern on the resin plate according to the shape of the pre-designed pattern to be printed;
s3, selecting a preset plate sticking coordinate matched with the printing pattern, and carrying out coordinate marking on the printing pattern carved on the resin plate corresponding to the selected preset plate sticking coordinate so as to form a plurality of plate sticking ink marks on the resin plate;
s4, cutting the carved resin plate corresponding to the printing pattern, and reserving corresponding plate sticking ink marks during cutting to form a scattered plate with the printing pattern and the corresponding plate sticking ink marks;
s5, attaching double faced adhesive tapes on the plate belts, the printing plate rollers or the plate attaching sleeves corresponding to the patterns to be printed;
s6, adjusting the position of a cross cursor of the plate pasting machine to a selected preset plate pasting coordinate, and aligning plate pasting ink marks corresponding to the preset plate pasting coordinate on the scattered plates to the cross cursor of the plate pasting machine so as to paste the scattered plates on a plate belt, a plate printing roller or a plate pasting sleeve.
2. The scattered plate making and pasting method based on the flexible plate preprinting process according to claim 1, wherein the preset pasting coordinates are distributed along a central axis of the pattern to be printed; the pasting ink marks are in a cross shape, and a plurality of pasting ink marks are distributed along the central axis of the printing pattern.
3. The scattered plate making and pasting method based on the flexible plate preprinting process according to claim 1, wherein the step S1 further comprises:
s11, when the preset plate sticking coordinates are formed, marking the plurality of preset plate sticking coordinates according to sequence numbers;
step S3 also includes:
and S31, when the coordinate marking of the pasting plate ink marks is carried out, marking the plurality of pasting plate ink marks according to sequence numbers corresponding to the sequence marks of the preset pasting plate coordinates.
4. The scattered plate making and pasting method based on the flexible plate preprinting process according to claim 3, wherein the step S6 further comprises:
s61, the cross cursor is adjusted according to the label sequence of the preset plate sticking coordinates, the plate sticking ink marks are aligned with the cross cursor one by one according to the label sequence, and the scattered plates are stuck on a plate belt, a plate roller or a plate sticking sleeve according to the label sequence.
5. The scattered plate making and pasting method based on the flexible plate preprinting process according to claim 1, wherein when a plurality of patterns to be printed exist in one printing process and need to be printed simultaneously, the step S2 further comprises:
and S21, collectively arranging a plurality of pre-designed patterns to be printed on the resin plate for engraving.
6. The scattered plate making and pasting method based on the flexible plate preprinting process according to claim 5, wherein the step S4 further comprises:
s41, cutting the engraved resin plate corresponding to each printing pattern, keeping corresponding plate sticking ink marks during cutting, forming a plurality of scattered plates with the printing patterns and the corresponding plate sticking ink marks, and storing the cut scattered plates in a classified manner according to the shapes of the printing patterns.
7. The scattered plate making and pasting method based on the flexible plate preprinting process, as claimed in claim 1, wherein the cutting area of the scattered plate is slightly larger than the covering area of the corresponding printing pattern and pasting ink marked on the resin plate.
8. The scattered plate making and pasting method based on the flexible plate preprinting process according to any one of claims 1 to 7, wherein the step S6 is followed by further comprising:
s7, after the scattered plate is pasted on the plate belt, the printing plate roller or the pasting sleeve, secondary glue sealing is carried out on the scattered plate edge through an adhesive tape or a strong adhesive; wherein, when the super glue is adopted for secondary glue sealing, the glue is dried and solidified for more than 2 hours after being sealed.
9. A scattered plate making and pasting method based on a flexible plate preprinting process is characterized by comprising the following steps:
t1, paving the plate belt on a line drawing machine, and drawing the outlines of a plurality of patterns to be printed on the surface of the plate belt correspondingly through the line drawing machine according to the shapes and the orientations of a plurality of predesigned patterns to be printed;
t2, engraving a plurality of pre-designed printing patterns on the resin plate, and cutting the engraved resin plate corresponding to each printing pattern to form a corresponding scattered plate;
t3, attaching a double-sided adhesive tape to the printing plate corresponding to each pattern contour to be printed;
and T4, sticking the scattered plate corresponding to the printing pattern on the plate belt according to the outline of the pattern to be printed drawn on the surface of the plate belt.
10. The scattered plate making and pasting method based on the flexible plate preprinting process according to claim 9, wherein the step T4 is followed by further comprising:
t5, after the scattered plate is pasted on the plate tape, secondary sealing glue is carried out on the edge of the scattered plate through an adhesive tape or a strong glue; wherein, when the super glue is adopted for secondary glue sealing, the glue is dried and solidified for more than 2 hours after being sealed.
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| CN115431627B (en) | 2023-12-29 |
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