CN113858845A - Printing ink curing method and device and printer - Google Patents
Printing ink curing method and device and printer Download PDFInfo
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- CN113858845A CN113858845A CN202111295908.6A CN202111295908A CN113858845A CN 113858845 A CN113858845 A CN 113858845A CN 202111295908 A CN202111295908 A CN 202111295908A CN 113858845 A CN113858845 A CN 113858845A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
- B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
- B41J11/00214—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using UV radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
- B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- General Health & Medical Sciences (AREA)
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- Ink Jet (AREA)
Abstract
The invention relates to the technical field of ink-jet printing, in particular to an ink curing method, an ink curing device and a printer; the printer comprises a printing trolley, wherein a spray head is arranged on the printing trolley, and two ends of the printing trolley are respectively provided with a curing lamp; the method comprises the following steps: acquiring the moving direction of the printing trolley; respectively controlling the luminous power of the curing lamps according to the moving direction so that the luminous power of the curing lamps positioned in the advancing direction of the printing trolley is greater than the luminous power of the curing lamps positioned in the retreating direction of the printing trolley; in the moving process of the printing trolley, curing the ink sprayed out of the spray head according to the luminous power; the curing time of the ink is prolonged through the steps, so that the ink has enough time to flow uniformly on a printing medium, the problems of curing channels and whitening of the printed image are avoided, the surface of the finally cured ink is smooth, the appearance is not influenced by the irregular geometric shape, and the printing quality is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of ink-jet printing, in particular to an ink curing method, an ink curing device and a printer.
Background
The ink jet printing technology is a technology for obtaining images or characters by spraying ink drops to a printing medium through a nozzle on a spray head, and mainly comprises reciprocating scanning printing, one-time scanning printing, multi-spray-head side-by-side scanning printing and the like, wherein the reciprocating scanning printing is also called multi-pass scanning printing, the multi-pass scanning printing means that each unit of an image to be printed can be printed only by carrying out multiple scanning, and when the step-by-step paper feeding is adopted for printing, the size of each unit is determined by the number of passes and the height of the spray head. For example, in the printing apparatus, the height of the head is 360 nozzles, the pass number of this printing is 4, and printing is performed by using step-by-step paper feed, so that the height of each unit is 90 nozzles, and the paper feed distance is 90 nozzles.
At present, the method of adopting UV ink to carry out digital printing generally comprises the steps of firstly printing the ink on a printing medium, and then rapidly drying and curing the ink within a plurality of seconds under the radiation of ultraviolet light, wherein the leveling property of the UV ink is the key for determining the printed image. The leveling of the ink refers to the process that the ink gradually shrinks into the minimum area due to the action of surface tension before the ink is dried to form a film when printed on a medium. However, in the existing UV ink, a UV light source irradiates UV light to a printing medium to dry and cure the UV ink during the printing process, which generally causes the lack of leveling time of the ink, resulting in irregular geometric shapes of ink drops on the printing medium, and thus, the problems of curing channels, whitening, and the like of printed images may occur, and the printing quality is seriously affected.
Disclosure of Invention
The technical problem mainly solved by the embodiment of the invention is to provide an ink curing method, an ink curing device and a printer, so as to solve the problem that the leveling time of the existing ink is insufficient.
In order to solve the above technical problem, one technical solution adopted by the embodiment of the present invention is: the printing ink curing method is applied to a printer, the printer comprises a printing trolley, a spray head is arranged on the printing trolley, curing lamps are respectively arranged at two ends of the printing trolley, and the printing ink curing method comprises the following steps: acquiring the moving direction of the printing trolley; respectively controlling the luminous power of the curing lamps according to the moving direction so that the luminous power of the curing lamps positioned in the forward direction of the printing trolley is greater than the luminous power of the curing lamps positioned in the backward direction of the printing trolley; and in the moving process of the printing trolley, curing the ink sprayed out of the spray head according to the luminous power.
In some embodiments: when the printing trolley moves rightwards, the luminous power of the curing lamp positioned on the right side of the printing trolley is larger than that of the curing lamp positioned on the left side of the printing trolley; when the printing trolley moves leftwards, the luminous power of the curing lamp positioned on the left side of the printing trolley is larger than that of the curing lamp positioned on the right side of the printing trolley.
In some embodiments: when the printing trolley moves rightwards and then moves leftwards, the luminous power of the curing lamp positioned on the right side of the printing trolley is gradually reduced to first preset power, the luminous power of the curing lamp positioned on the left side of the printing trolley is gradually increased to second preset power, and the second preset power is larger than the first preset power; when the printing trolley moves leftwards and then rightwards, the luminous power of the curing lamp positioned on the left side of the printing trolley is gradually reduced to first preset power, the luminous power of the curing lamp positioned on the right side of the printing trolley is gradually increased to second preset power, and the second preset power is larger than the first preset power.
In some embodiments, the curing the ink ejected from the ejection head according to the light emitting power includes: when the printing trolley starts to move for the first time, the nozzle ejects ink, and the curing lamp positioned in the backward direction of the printing trolley pre-cures the ink ejected by the nozzle according to the first preset power; the curing lamp positioned in the advancing direction of the printing trolley emits light according to the second preset power; after the moving direction of the printing trolley is changed for the first time, the curing lamp positioned in the advancing direction of the printing trolley strengthens and cures the pre-cured printing ink again according to the second preset power; and the ink sprayed by the spray head is precured by the curing lamp positioned in the backward direction of the printing trolley according to the first preset power.
In some embodiments, the curing the ink ejected from the ejection head according to the light emitting power includes: when the printing trolley starts to move for the first time, the nozzle ejects ink, and the curing lamp positioned in the backward direction of the printing trolley pre-cures the ink ejected by the nozzle according to first preset power; the curing lamp positioned in the advancing direction of the printing trolley emits light according to second preset power; after the moving direction of the printing trolley is changed for the first time, the curing lamp positioned in the advancing direction of the printing trolley strengthens and cures the pre-cured printing ink again according to the second preset power; and the nozzle sprays ink, and the curing lamp positioned in the backward direction of the printing trolley is closed.
In some embodiments, the curing the ink ejected from the ejection head according to the light emitting power includes: when the printing trolley starts to move for the first time, the nozzle ejects ink, and the curing lamp positioned in the backward direction of the printing trolley pre-cures the ink ejected by the nozzle according to first preset power; the curing lamp positioned in the advancing direction of the printing trolley is turned off; after the moving direction of the printing trolley is changed for the first time, the curing lamp positioned in the advancing direction of the printing trolley strengthens and cures the pre-cured printing ink again according to second preset power; and the ink sprayed by the spray head is precured by the curing lamp positioned in the backward direction of the printing trolley according to the first preset power.
In some embodiments, the curing lamp includes a first lamp section flush with both ends of the head in a stepping direction of the print carriage, and a second lamp section disposed on a side opposite to the stepping direction of the first lamp section, the method further including: after printing in a first printing area on a printing medium is finished and the printing trolley enters a second printing area on the printing medium, controlling the second lamp section to carry out final curing on the first printing area, and controlling the first lamp section to carry out pre-curing and reinforced curing on the second printing area; wherein said and said print carriage entering a second print zone on said print medium comprises: the printing trolley moves along a stepping direction to enter the second printing area, or the printing medium moves along the direction opposite to the stepping direction to enable the printing trolley to enter the second printing area. .
In some embodiments, said controlling said second light segment to final cure said first print region comprises: and after the printing trolley enters the second printing area, controlling the second lamp section of at least one curing lamp, and finally curing the strengthened and cured printing ink according to third preset power.
In order to solve the above technical problem, another technical solution adopted by the embodiment of the present invention is: the utility model provides an ink curing device is applied to the printer, the printer is including printing the dolly, be equipped with the shower nozzle on the printing dolly, the both ends of printing the dolly are provided with the curing lamp respectively, ink curing device includes: the device comprises a direction acquisition module, a first control module and a curing module, wherein the direction acquisition module is used for acquiring the moving direction of the printing trolley; the first control module is used for respectively controlling the luminous power of the curing lamps according to the moving direction so that the luminous power of the curing lamps positioned in the advancing direction of the printing trolley is greater than the luminous power of the curing lamps positioned in the retreating direction of the printing trolley; and the curing module is used for curing the ink sprayed out of the spray head according to the luminous power in the moving process of the printing trolley.
In order to solve the above technical problem, another technical solution adopted by the embodiment of the present invention is: providing a printer, which comprises a printing trolley, a spray head, a curing lamp, at least one processor and a memory, wherein the spray head is arranged on the printing trolley; the curing lamps are arranged at two ends of the printing trolley; the memory is connected with the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the ink curing method described above based on the print carriage, the nozzle, and the curing light.
Different from the situation of the related technology, the ink curing method, the ink curing device and the printer provided by the invention have the advantages that the ink curing process is divided into a plurality of stages, the ink curing time is prolonged, the ink has enough time to flow uniformly on a printing medium, the problems of curing channels and whitening of a printed image are avoided, the surface of the finally cured ink is smooth, the appearance is not influenced due to the fact that irregular geometric shapes are formed, and the printing quality is improved.
Drawings
One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.
FIG. 1 is a schematic diagram of a printer according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of an ink curing method according to an embodiment of the present invention;
FIG. 3 is a detailed flowchart of step S3 in FIG. 2;
FIG. 4 is another detailed flowchart of step S3 in FIG. 2;
FIG. 5 is a schematic diagram of a further detailed flow chart of step S3 in FIG. 2;
FIG. 6 is a schematic flow chart of an ink curing method according to another embodiment of the present invention;
FIG. 7 is a detailed flowchart of step S4 in FIG. 4;
FIG. 8 is a schematic structural view of an ink curing apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that, if not conflicted, the various features of the embodiments of the invention may be combined with each other within the scope of protection of the invention. Additionally, while functional block divisions are performed in the device diagrams, with logical sequences shown in the flowcharts, in some cases, the steps shown or described may be performed in a different order than the block divisions in the device diagrams, or the flowcharts.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a printer 100 according to an embodiment of the present invention includes a printing cart 1, a nozzle 2, a curing lamp 3, at least one processor, and a memory, where the nozzle 2 is disposed on the printing cart 1; the curing lamps 3 are arranged at two ends of the printing trolley 1; the memory is connected with the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor; the Memory may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The printing trolley 1 is used for performing reciprocating translation motion along the printing direction relative to a printing medium and driving the spray head 2 and the curing lamp 3 to synchronously move; the spray head 2 is driven by the printing trolley 1 to move back and forth and spray ink, so that a line of content is printed on the printing medium, namely a first printing area is printed; the curing lamp 3 is used for irradiating the printing ink to rapidly dry the printing ink, so that the influence of the non-dried printing ink on further printing is avoided, and the printing efficiency and quality are ensured.
After the spray head 2 finishes printing the first printing area, the printing trolley 1 moves along a stepping direction perpendicular to the printing direction, and the moving distance is the width of the first printing area, so that printing of a second printing area is carried out; and repeating the steps, and printing the contents to be printed region by region until the printing of all the contents to be printed is completed.
In one embodiment, at least four heads 2 are provided, and the four heads 2 are used for printing Cyan ink (Cyan, C), Magenta ink (Magenta, M), Yellow ink (Y), and black ink, respectively. C. M, Y and K are four basic colors, and a plurality of colors can be produced by controlling the four heads 2 to jet different amounts of ink. The spray head 2 can be a single spray head 2 or formed by splicing a plurality of spray head 2 units.
The head 2 has a plurality of nozzles for ejecting ink droplets, and the plurality of nozzles are arranged in a regular pattern, for example, the plurality of nozzles may be arranged in a plurality of rows in the printing direction. When the printing mode of the printer 100 is the scan type printing mode, the head 2 may be controlled to move in a predetermined scan direction with respect to the printing medium, and the nozzles may be controlled to eject ink.
In some embodiments, the printing mode of the printer 100 is a reciprocating scanning printing mode; the nozzle 2 can reciprocate along a preset scanning direction, so that each line of image blocks of a target image can be printed on the printing medium. The relative movement direction of the printing medium and the spray head 2 is a stepping direction, and the stepping direction is perpendicular to the preset scanning direction. In some embodiments, during the printing process, the position of the printing medium is fixed, and the target pattern is printed line by moving the spray head 2 along the stepping direction; in other embodiments, the position of the nozzle 2 is fixed during printing, and line-by-line printing of the target pattern is achieved by moving the printing medium in a stepping direction.
In some embodiments, the curing lamps 3 are disposed at two ends of the printing cart 1 in a preset scanning direction, and when the printing cart 1 moves, the curing lamps 3 located in a backward direction of the printing cart 1 are in an on state, and radiate heat to the ink on the printing medium, so that the ink is dried; when the ink is a UV ink, the curing lamp 3 is a UV lamp.
However, in the above printing step, the ink is irradiated once by the curing lamp 3 and dried in a short time, which may cause the insufficient leveling time of the ink, resulting in the formation of irregular geometric shapes of ink droplets on the printing medium, and thus the printed image may have problems of curing traces, whitening, and the like, and may seriously affect the printing quality.
As shown in fig. 2, the ink curing method of the embodiment of the present invention includes the steps of:
s1, acquiring the moving direction of the printing trolley 1;
the current moving direction of the printing trolley 1 can be obtained by controlling the printing trolley 1 to move through an access module or installing an acceleration sensor.
S2, respectively controlling the light emitting power of the curing lamps 3 according to the moving direction, so that the light emitting power of the curing lamps 3 in the forward direction of the printing carriage 1 is greater than the light emitting power of the curing lamps 3 in the backward direction of the printing carriage 1;
for example, when the printing carriage 1 moves to the right, the light emitting power of the curing lamp 3 on the right side of the printing carriage 1 is greater than the light emitting power of the curing lamp 3 on the left side of the printing carriage 1; when the printing trolley 1 moves leftwards, the luminous power of the curing lamp 3 positioned on the left side of the printing trolley 1 is greater than that of the curing lamp 3 positioned on the right side of the printing trolley 1.
And S3, curing the ink ejected from the nozzle 2 according to the luminous power in the process of moving the printing trolley 1. The light intensity of the curing lamp 3 is controlled according to the light emitting power, so that the ink is cured for multiple times in stages.
As shown in fig. 3, the specific steps include: s31, when the printing trolley 1 starts to move for the first time, the nozzle 2 ejects ink, and the curing lamp 3 positioned in the backward direction of the printing trolley 1 pre-cures the ink ejected by the nozzle 2 according to a first preset power; the curing lamp 3 positioned in the advancing direction of the printing trolley 1 emits light according to the second preset power; s32, after the moving direction of the printing trolley 1 is changed for the first time, the curing lamp 3 positioned in the advancing direction of the printing trolley 1 strengthens and cures the pre-cured printing ink again according to second preset power; the printing ink is sprayed out of the spray head 2, the curing lamp 3 located in the backward direction of the printing trolley 1 pre-cures the printing ink sprayed out of the spray head 2 according to the first preset power.
When the printing trolley 1 moves, the nozzle 2 ejects ink, the curing lamp 3 positioned in the backward direction of the printing trolley 1 pre-cures the ink according to the first preset power, the first preset power is lower and is generally 5-30% of the full power of the curing lamp 3, so that the viscosity of the ink can be increased without flowability, more leveling time can be provided for the ink, and the surface of the ink is smooth.
For example, when the printing carriage 1 moves to the right and then moves to the left, the light emitting power of the curing lamp 3 located on the right side of the printing carriage 1 is gradually reduced to the first preset power, the light emitting power of the curing lamp 3 located on the left side of the printing carriage 1 is gradually increased to the second preset power, and the second preset power is greater than the first preset power; when the printing trolley 1 moves leftwards and then rightwards, the luminous power of the curing lamp 3 positioned on the left side of the printing trolley 1 is gradually reduced to the first preset power, the luminous power of the curing lamp 3 positioned on the right side of the printing trolley 1 is gradually increased to the second preset power, and the second preset power is larger than the first preset power.
After the printing trolley 1 finishes the first printing of the first printing area of the printing content, the moving direction of the printing trolley 1 is changed, and the curing lamp 3 positioned in the backward direction of the printing trolley 1 is changed into the forward direction at this time, so that the luminous power of the curing lamp should be correspondingly changed; at this time, the curing lamp 3 located on the printing trolley 1 performs reinforced curing on the ink pre-cured before according to the second preset power; the second preset power is higher, generally 70-90% of the full power of the curing lamp 3 is taken, so that the viscous ink can be further enhanced to be dried to reach a nearly solid state; at the moment, the nozzle 2 continuously ejects the ink, and the curing lamp 3 positioned in the backward direction of the printing trolley 1 pre-cures the ejected ink; by repeating the above steps, the pre-curing and the reinforcement curing of the first printing region of the printed contents can be completed.
As shown in fig. 4, another specific step of step S3 includes: s31-2, when the printing trolley 1 starts to move for the first time, the nozzle 2 ejects ink, and the curing lamp 3 positioned in the backward direction of the printing trolley 1 pre-cures the ink ejected by the nozzle 2 according to a first preset power; the curing lamp 3 positioned in the advancing direction of the printing trolley 1 emits light according to the second preset power; s32-2, after the moving direction of the printing trolley 1 is changed for the first time, the curing lamp 3 positioned in the advancing direction of the printing trolley 1 strengthens and cures the pre-cured printing ink again according to a second preset power; the nozzle 2 ejects ink, and the curing lamp 3 positioned in the backward direction of the printing trolley 1 is closed.
The steps of fig. 4 and 3 differ in that: after the printing trolley 1 finishes the first printing of the first printing area of the printed content, the curing lamp 3 positioned in the backward direction of the printing trolley 1 is turned off, namely the luminous power of the curing lamp 3 is zero, and then the residual heat generated on the upper layer of ink by the curing lamp 3 in the forward direction of the printing trolley 1 is utilized to pre-cure the just-sprayed ink, so that the pre-curing times can be saved, the energy consumption is saved, and the cost is saved.
As shown in fig. 5, another specific step of step S3 includes: s31-3, when the printing trolley 1 starts to move for the first time, the nozzle 2 ejects ink, and the curing lamp 3 positioned in the backward direction of the printing trolley 1 pre-cures the ink ejected by the nozzle 2 according to a first preset power; the curing lamp 3 positioned in the advancing direction of the printing trolley 1 is turned off; s32-3, after the moving direction of the printing trolley 1 is changed for the first time, the curing lamp 3 positioned in the advancing direction of the printing trolley 1 strengthens and cures the pre-cured printing ink again according to a second preset power; the printing ink is sprayed out of the spray head 2, the curing lamp 3 located in the backward direction of the printing trolley 1 pre-cures the printing ink sprayed out of the spray head 2 according to the first preset power.
The steps of fig. 5 and 3 differ in that: when the spray head 2 is used for printing the first printing area of the printed content for the first time, the curing lamp 3 positioned in the advancing direction of the printing trolley 1 is turned off; since the printing medium irradiated by the curing lamp 3 located in the forward direction of the carriage 1 is free of ink, and the curing is not required to be enhanced, the curing lamp 3 located in the forward direction of the carriage 1 can be turned off, and the power consumption can be reduced.
In a specific embodiment, the curing lamp 3 located in the backward direction of the printing carriage 1 may be turned off when the spray head 2 prints the last time of the first printing region of the printed contents; at this time, the ink is not ejected from the head 2, and the printing medium irradiated by the curing lamp 3 positioned in the backward direction of the carriage 1 is free of the ink just ejected, and only the ink which has been subjected to the intensive curing is not required to be pre-cured, so that the curing lamp 3 can be turned off, and the power consumption can be reduced.
As shown in fig. 1, as a further alternative, the curing lamp 3 includes a first lamp segment 31 and a second lamp segment 32, the first lamp segment 31 is flush with two ends of the nozzle 2 along the step direction of the print carriage 1, and the second lamp segment 32 is disposed on the opposite side of the step direction of the first lamp segment 31.
The step direction is a direction in which the printing cart 1 moves to the second printing area relative to the printing medium after completing printing of the first printing area, and the second lamp section 32 is located on the opposite side of the step direction of the printing cart 1, so that when the cart 1 performs printing to the second printing area, the second lamp section 32 is located just at the first printing area, so that final curing of the ink after completing the intensive curing can be performed; or when the printing medium moves in the direction opposite to the stepping direction and the printing cart 1 is opposite to the second printing area, the second light segment 32 is also located just at the first printing area, so that the final curing of the ink which has completed the reinforcement curing can be performed.
As shown in fig. 6, the ink curing method further includes step S4: after the printing of the first printing area on the printing medium is finished and the printing trolley 1 enters the second printing area on the printing medium, the second lamp section 32 is controlled to carry out final curing on the first printing area, and the first lamp section 31 is controlled to carry out pre-curing and reinforced curing on the second printing area. Wherein said and said printing carriage 1 enters a second printing zone on said printing medium, comprising: the printing trolley 1 moves along a stepping direction to enter the second printing area, or the printing medium moves along the direction opposite to the stepping direction, so that the printing trolley 1 enters the second printing area.
And the final curing of the first printing area and the pre-curing and reinforcing curing of the second printing area are carried out simultaneously, so that the printing efficiency is not influenced.
As shown in fig. 7, the controlling the second lamp segment 32 to perform final curing on the first printing region includes S41: and after the printing trolley 1 enters the second printing area, controlling the second lamp section 32 of at least one curing lamp 3, and finally curing the strengthened and cured printing ink according to a third preset power.
The third preset power may be equal to the first preset power or the second preset power, that is, the second lamp segment 32 may be controlled together with the first lamp segment 31, so that the complexity of the control device and the curing lamp 3 may be reduced, and the structure may be simplified; the second lamp segments 32 may also be independently controlled, and may set a specific light emitting power according to the state of the ink after the curing is strengthened, so as to improve the curing effect of the ink.
According to the ink curing method provided by the embodiment of the invention, the ink curing process is divided into a plurality of stages, so that the ink curing time is prolonged, the ink has enough time to flow uniformly on a printing medium, the problems of curing channels and whitening of a printed image are avoided, the surface of the finally cured ink is smooth, the appearance is not influenced by the irregular geometric shape, and the printing quality is improved.
As shown in fig. 8, an embodiment of the present invention further provides an ink curing device 200 applied to a printer 100, where the printer 100 includes a printing cart 1, the printing cart 1 is provided with a nozzle 2, two ends of the printing cart 1 are respectively provided with a curing lamp 3, and the ink curing device 200 includes: the device comprises a direction acquisition module 201, a first control module 202 and a curing module 203, wherein the direction acquisition module 201 is used for acquiring the moving direction of the printing trolley 1; the first control module 202 is configured to respectively control the light emitting power of the curing lamps 3 according to the moving direction, so that the light emitting power of the curing lamps 3 in the forward direction of the printing trolley 1 is greater than the light emitting power of the curing lamps 3 in the backward direction of the printing trolley 1; the curing module 203 is configured to cure the ink ejected from the nozzle 2 according to the light emitting power in the moving process of the printing cart 1.
The direction obtaining module 201, the first control module 202 and the curing module 203 can all be virtual programs, and can be added to an original control system of the printer 100 without additionally adding equipment, so that the cost is low, and the practicability is high.
With respect to the ink curing device 200, the first control module 202 is further configured to: when the printing trolley 1 moves rightwards and then moves leftwards, the luminous power of the curing lamp 3 positioned on the right side of the printing trolley 1 is gradually reduced to a first preset power, the luminous power of the curing lamp 3 positioned on the left side of the printing trolley 1 is gradually increased to a second preset power, and the second preset power is larger than the first preset power; when the printing trolley 1 moves leftwards and then rightwards, the luminous power of the curing lamp 3 positioned on the left side of the printing trolley 1 is gradually reduced to a first preset power, the luminous power of the curing lamp 3 positioned on the right side of the printing trolley 1 is gradually increased to a second preset power, and the second preset power is larger than the first preset power.
The first control module 202 can control the light emitting power of the curing lamp 3 to be a predetermined light emitting power, and can also control the light emitting power of the curing lamp 3 to be gradually increased or decreased.
The curing device can control the voltage and/or current passing through the curing lamp 3 according to the instruction of the luminous power given by the first control module 202, so that the curing lamp 3 emits the illumination intensity corresponding to the luminous power; or the curing device can periodically control the current and the voltage passing through the curing lamp 3, so that the curing lamp 3 is regularly switched on and off, and the control of the illumination intensity is realized, for example, by a Pulse Width Modulation (PWM) technology.
As shown in fig. 1, for the curing lamp 3, the curing lamp 3 includes a first lamp segment 31 and a second lamp segment 32, the first lamp segment 31 is flush with two ends of the nozzle 2 along the step direction of the print carriage 1, and the second lamp segment 32 is disposed on the opposite side of the step direction of the first lamp segment 31.
For the above ink curing device 200, the ink curing device 200 further includes a second control module 204, where the second control module 204 is configured to control the second light segment 32 to perform final curing on the first printing area and control the first light segment 31 to perform pre-curing and reinforced curing on the second printing area after the printing is completed in the first printing area and the printing trolley 1 enters the second printing area.
The second control module can control the light emitting power of the second lamp segment 32 independently, or can synchronize the light emitting power of the second lamp segment 32 with the light emitting power of the first lamp segment 31, that is, the second control module 204 is the first control module 202.
The ink curing apparatus 200 can perform the ink curing method provided in the embodiment of the present invention, and has functional modules and advantageous effects corresponding to the performing method. For technical details that are not described in detail in the embodiment of the ink curing apparatus 200, reference may be made to the ink curing method provided in the embodiment of the present invention.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The printing ink curing method is applied to a printer, the printer comprises a printing trolley, a spray head is arranged on the printing trolley, and curing lamps are respectively arranged at two ends of the printing trolley, and the printing ink curing method is characterized by comprising the following steps:
acquiring the moving direction of the printing trolley;
respectively controlling the luminous power of the curing lamps according to the moving direction so that the luminous power of the curing lamps positioned in the forward direction of the printing trolley is greater than the luminous power of the curing lamps positioned in the backward direction of the printing trolley;
and in the moving process of the printing trolley, curing the ink sprayed out of the spray head according to the luminous power.
2. The ink curing method according to claim 1, characterized in that:
when the printing trolley moves rightwards, the luminous power of the curing lamp positioned on the right side of the printing trolley is larger than that of the curing lamp positioned on the left side of the printing trolley;
when the printing trolley moves leftwards, the luminous power of the curing lamp positioned on the left side of the printing trolley is larger than that of the curing lamp positioned on the right side of the printing trolley.
3. The ink curing method according to claim 2, characterized in that:
when the printing trolley moves rightwards and then moves leftwards, the luminous power of the curing lamp positioned on the right side of the printing trolley is gradually reduced to first preset power, the luminous power of the curing lamp positioned on the left side of the printing trolley is gradually increased to second preset power, and the second preset power is larger than the first preset power;
when the printing trolley moves leftwards and then rightwards, the luminous power of the curing lamp positioned on the left side of the printing trolley is gradually reduced to first preset power, the luminous power of the curing lamp positioned on the right side of the printing trolley is gradually increased to second preset power, and the second preset power is larger than the first preset power.
4. The ink curing method according to claim 3, wherein the step of curing the ink ejected from the head according to the light emission power includes:
when the printing trolley starts to move for the first time, the nozzle ejects ink, and the curing lamp positioned in the backward direction of the printing trolley pre-cures the ink ejected by the nozzle according to the first preset power; the curing lamp positioned in the advancing direction of the printing trolley emits light according to the second preset power;
after the moving direction of the printing trolley is changed for the first time, the curing lamp positioned in the advancing direction of the printing trolley strengthens and cures the pre-cured printing ink again according to the second preset power; and the ink sprayed by the spray head is precured by the curing lamp positioned in the backward direction of the printing trolley according to the first preset power.
5. The ink curing method according to claim 1, wherein the step of curing the ink ejected from the head according to the light emission power includes:
when the printing trolley starts to move for the first time, the nozzle ejects ink, and the curing lamp positioned in the backward direction of the printing trolley pre-cures the ink ejected by the nozzle according to first preset power; the curing lamp positioned in the advancing direction of the printing trolley emits light according to second preset power;
after the moving direction of the printing trolley is changed for the first time, the curing lamp positioned in the advancing direction of the printing trolley strengthens and cures the pre-cured printing ink again according to the second preset power; and the nozzle sprays ink, and the curing lamp positioned in the backward direction of the printing trolley is closed.
6. The ink curing method according to claim 1, wherein the step of curing the ink ejected from the head according to the light emission power includes:
when the printing trolley starts to move for the first time, the nozzle ejects ink, and the curing lamp positioned in the backward direction of the printing trolley pre-cures the ink ejected by the nozzle according to first preset power; the curing lamp positioned in the advancing direction of the printing trolley is turned off;
after the moving direction of the printing trolley is changed for the first time, the curing lamp positioned in the advancing direction of the printing trolley strengthens and cures the pre-cured printing ink again according to second preset power; and the ink sprayed by the spray head is precured by the curing lamp positioned in the backward direction of the printing trolley according to the first preset power.
7. The ink curing method according to any one of claims 1 to 6, wherein the curing lamp includes a first lamp section flush with both ends of the head in a stepping direction of the print carriage, and a second lamp section disposed on a side opposite to the stepping direction of the first lamp section, the method further comprising:
after printing in a first printing area on a printing medium is finished and the printing trolley enters a second printing area on the printing medium, controlling the second lamp section to carry out final curing on the first printing area, and controlling the first lamp section to carry out pre-curing and reinforced curing on the second printing area;
wherein said and said print carriage entering a second print zone on said print medium comprises: the printing trolley moves along a stepping direction to enter the second printing area, or the printing medium moves along the direction opposite to the stepping direction to enable the printing trolley to enter the second printing area.
8. The ink curing method of claim 7, wherein the controlling the second light segment to perform final curing of the first printing area comprises:
and after the printing trolley enters the second printing area, controlling the second lamp section of at least one curing lamp, and finally curing the strengthened and cured printing ink according to third preset power.
9. The utility model provides an printing ink solidification equipment, is applied to the printer, the printer is including printing the dolly, be equipped with the shower nozzle on the printing the dolly, the both ends of printing the dolly are provided with the curing lamp respectively, its characterized in that, printing ink solidification equipment includes:
the direction acquisition module is used for acquiring the moving direction of the printing trolley;
the first control module is used for respectively controlling the luminous power of the curing lamps according to the moving direction so that the luminous power of the curing lamps positioned in the advancing direction of the printing trolley is greater than the luminous power of the curing lamps positioned in the retreating direction of the printing trolley;
and the curing module is used for curing the ink sprayed out of the spray head according to the luminous power in the moving process of the printing trolley.
10. A printer, comprising:
printing the trolley;
the spray head is arranged on the printing trolley;
the curing lamps are arranged at two ends of the printing trolley;
at least one processor;
a memory coupled to the at least one processor;
wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1 to 6 based on the print carriage, the spray head, and the curing light.
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