CN114516218A - Printing method, projection correction method, projection device and printing machine - Google Patents
Printing method, projection correction method, projection device and printing machine Download PDFInfo
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- CN114516218A CN114516218A CN202011303085.2A CN202011303085A CN114516218A CN 114516218 A CN114516218 A CN 114516218A CN 202011303085 A CN202011303085 A CN 202011303085A CN 114516218 A CN114516218 A CN 114516218A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/16—Printing tables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/10—Screen printing machines characterised by their constructional features
- B41P2215/11—Registering devices
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Abstract
The invention relates to the technical field of printing machines, in particular to a printing method, a projection correction method, a projection device, a printing machine and a storage medium. According to the embodiment of the invention, the information of the printing stock to be printed can be acquired, the reference pattern matched with the printing stock is called according to the information of the printing stock, and the projection image of the reference pattern is projected on one side of the bedplate of the printing machine through the projection device; therefore, the operator can adjust the position of the printing stock placed on the table plate according to the projected image of the reference pattern, so that the printing stock is aligned with the projected image of the reference pattern, and the printing machine can print the target pattern on the designated position of the printing stock. On one hand, the projected image of the reference pattern is positioned above the printing stock and cannot be shielded by the printing stock; on the other hand, the reference pattern projected by the projection device can be automatically changed along with different printing stocks, and a plurality of different reference patterns do not need to be drawn on the bedplate, thereby improving the printing efficiency.
Description
Technical Field
The invention relates to the technical field of printing machines, in particular to a printing method, a projection correction method, a projection device, a printing machine and a storage medium.
Background
Screen printing is a printing process that prints a pattern on a substrate using ink or dye through the printed pattern area on a printing frame. During printing, a printing stock is placed on the platen, the printing stock sequentially passes through the lower part of a printing screen frame with a printing pattern along with the platen, the printing ink or dye passes through the unblocked meshes under the extrusion of the scraper so that the printing pattern is printed on the printing stock, and the target pattern is obtained through printing screen frames at different stations.
Typically, an operator is required to lay the substrate (e.g., a garment or cut piece) on a platen before printing the substrate. In order to ensure that the target pattern is printed at a preset position on the upper printing stock, a corresponding alignment reference pattern is preset on the bedplate; during the process of laying the printing stock, the operator needs to adjust the position of the printing stock to align the printing stock with the alignment reference chart.
In the process of implementing the invention, the inventor finds that in the prior art, the problem that the alignment reference diagram is shielded by the printing stock usually exists in the mode of arranging the alignment reference diagram on the bedplate so as to adjust the position of the printing stock, thereby influencing the sight of an operator for observing the alignment reference diagram and reducing the printing efficiency.
Disclosure of Invention
In order to improve the printing efficiency of the printing machine, the embodiment of the invention provides a printing method, a projection correction method, a projection device, the printing machine and a storage medium.
In order to solve the technical problem, the following technical solutions are provided in the embodiments of the present invention:
in a first aspect, an embodiment of the present invention provides a printing method, which is applied to a printing machine, and the method includes:
acquiring information of a printing stock to be printed;
calling a reference pattern matched with the printing stock according to the information of the printing stock;
projecting a projected image of the reference pattern on one side of a platen by a projection device so that an operator adjusts the position of the printing material on the platen according to the projected image of the reference pattern;
and controlling the printing assembly to print the target pattern on the printing stock.
Optionally, before printing the target pattern on the printing material by the printing assembly of the printing machine, the method further comprises:
and projecting at least one projection image of a display pattern on the printing stock through a projection device, so that an operator determines the target pattern according to the display effect of the projection image of the display pattern on the printing stock.
Optionally, the printing assembly comprises a printing frame, and before the printing assembly is controlled to print the target pattern on the printing material, the method further comprises:
acquiring a preset model of the printing screen frame, and establishing a mapping relation between the preset model of the printing screen frame and the display pattern;
and determining the model of the printing screen frame for printing the target pattern according to the mapping relation.
Optionally, the shape, size and/or color of each display pattern is different;
the projection image of at least one display pattern is projected on the printing stock through the projection device, and the projection image comprises:
projecting the projected images of the at least one display pattern sequentially at different locations on the substrate.
Optionally, the controlling the printing assembly to print the target pattern on the substrate includes:
determining a deviation between the projected image of the substrate and the fiducial pattern on the platen from an image captured by an image capture device;
and if the deviation of the printing stock and the reference pattern is within a preset range, controlling the printing assembly to print the target pattern on the printing stock.
In a second aspect, an embodiment of the present invention provides a projection correction method, applied to a projection apparatus, where the method includes:
acquiring information of a printing stock to be printed by the printing machine;
calling a reference pattern matched with the printing stock according to the information of the printing stock;
and projecting the projected image of the reference pattern on one side of a bedplate of the printing machine through a projecting device so that an operator adjusts the position of the printing stock on the bedplate according to the projected image of the reference pattern.
Optionally, the method further includes:
acquiring at least one preset display pattern;
projecting at least one projection image of a display pattern on the printing stock through a projection device, so that an operator determines the target pattern according to the display effect of the projection image of the display pattern on the printing stock.
In a third aspect, an embodiment of the present invention provides a decorating machine, where the decorating machine includes:
a printing assembly;
a projection device;
at least one first processor; and
a first memory communicatively coupled to the at least one first processor; wherein, the first and the second end of the pipe are connected with each other,
the first memory stores instructions executable by the at least one first processor to enable the at least one first processor to perform the printing method of the first aspect.
In a fourth aspect, an embodiment of the present invention provides a projection apparatus, including:
at least one second processor; and
a second memory communicatively coupled to the at least one second processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one second processor to enable the at least one second processor to perform a projection correction method as set forth in the second aspect.
In a fifth aspect, embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer-executable instructions that, when executed, are capable of performing the method of the first and second aspects.
The beneficial effects of the embodiment of the invention are as follows: different from the situation of the prior art, the printing method, the projection correction method, the projection device, the printing machine and the storage medium provided by the embodiment of the invention can acquire the information of the printing stock to be printed, call the reference pattern matched with the printing stock according to the information of the printing stock, and project the projection image of the reference pattern on one side of the platen of the printing machine through the projection device; therefore, the operator can adjust the position of the printing stock placed on the table plate according to the projected image of the reference pattern, so that the printing stock is aligned with the projected image of the reference pattern, and the printing machine can print the target pattern on the designated position of the printing stock. On one hand, because the projected image of the reference pattern is positioned above the printed material, the projected image of the reference pattern cannot be shielded by the printed material; on the other hand, the reference pattern projected by the projection device can be automatically changed along with the difference of the printing stock, a plurality of different reference patterns do not need to be drawn on the bedplate, the worker can conveniently and quickly align the position of the printing stock, and the printing efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from them without inventive effort.
FIG. 1 is a schematic diagram of a hardware structure of a printing machine for executing a printing method according to another embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a printing machine provided by an embodiment of the invention;
FIG. 3 is a schematic flow diagram of a printing process provided by one embodiment of the present invention;
FIG. 4 is a schematic view of a projected image of a substrate and fiducial pattern provided by one embodiment of the present invention;
FIG. 5 is a schematic view of a display pattern according to an embodiment of the present invention;
FIG. 6 is a flow chart of a projection correction method provided by an embodiment of the invention;
FIG. 7 is a flow chart of a projection correction method provided by another embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a printing apparatus provided in an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a printing device according to another 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 further described in 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.
Referring to fig. 1, fig. 1 schematically shows a hardware structure of a decorating machine for performing a decorating method. As shown in fig. 1, the decorating machine 100 includes: a first processor 110, a first memory 120, a printing assembly 130, and a projection device 140; wherein the printing assembly 130 is used to print a target pattern on a substrate and the projection device 140 is used to project a projected image of a fiducial or show pattern on the substrate or a platen of the decorating machine 100. Those skilled in the art will appreciate that the configuration shown in fig. 1 is not intended to be limiting of the terminal, and that the terminal may include more or fewer components than shown, or some components may be combined, some components may be split, or a different arrangement of components.
Further, referring to fig. 2, fig. 2 schematically shows a structure of a printing machine. As shown in fig. 2, the decorating machine 200 includes a decorating device 21 and a projecting device 22. In some embodiments, when the projection device 22 and the decorating device 21 are an integral structure, the projection device 22 can be welded to the decorating device 21; at this time, since the projection device 22 is fixed to the decorating device 21, when the decorating machine 200 is moved, the relative position between the decorating device 21 and the projection device 22 does not need to be adjusted; however, the vibration generated by the printing device 21 may cause the reference pattern projected by the projection device 22 to be fluctuated. In other embodiments, the projection device 22 and the printing device 21 may be independent of each other, for example, the projection device 22 may be disposed on the ceiling above the printing device 21, or the projection device 22 may be fixed on the floor on one side of the printing device 21; at this time, the reference pattern projected by the projection device 22 is not affected by the vibration of the printing device 21.
The stations of the printing device 21 can be oval or linear. Fig. 2 illustrates an example of a printing machine in which the printing device 21 is an oval-shaped station. The decorating device 21 may specifically include a frame 211, and a printing arm 212, a platen 213, and a printing assembly 214 provided to the frame 211; the printing element 214 is connected to the printing arm 212, and the printing arm 212 drives the printing element 214 to lift or press down by lifting or pressing itself. The printing arm 212 is connected to a driving device (not shown), and the printing arm 212 is driven by the driving device to lift up. The printing arm 212 and the platen 213 are disposed at intervals on the periphery of the frame 211, the platen 213 is located below the printing arm 212, and the platen 213 is slidably engaged with the frame 211.
The printing assembly 214 comprises in particular a doctor blade and a printing frame, and the printing frame is mounted horizontally between the doctor blade, which may be mounted on the printing arm 212 by means of a guide, and the platen 213. The screen in the printing frame is usually made of nylon, glass, polyester, silk or metal mesh, and the mesh of the printing pattern area on the screen is through holes which can be penetrated by ink or dye, but the mesh of the non-printing pattern area is blocked and cannot be penetrated by ink. Scraping the ink or the slurry through an ink leaking area of the pattern to be printed by a scraper so as to print the pattern to be printed on a printing stock; when the doctor blade has finished scraping a frame, the printing arm 212 is raised, thereby lifting the frame and the doctor blade, and the next platen 213 is moved from the previous station to the doctor blade station, thereby printing a pattern on the substrate on the next platen 213.
The projection device 22 is a device that can project an image or video onto a platen or substrate. The projector 22 may specifically include a bracket, a projector mount, and a projector, where the projector mount is mounted to the bracket and the projector is mounted to the projector mount. The projector is used for projecting a projection image of the reference pattern. The projector mount can change the position of the projector in the horizontal direction and/or the height in the vertical direction as desired. For example, the projector may rotate in a horizontal direction about the support. Alternatively, in some embodiments, the bracket of the projection device 22 may be specifically mounted on the frame 211 of the printing apparatus. It should be noted that, in the embodiment of the present invention, both the horizontal direction and the vertical direction are relative to the plane on which the printing device 21 or the projection device 22 is placed.
The number of the projectors can be one or at least two, and the operators in the field can set the projectors according to actual needs. When the number of projectors is one, the projectors may be disposed directly above one of the platens. When the number of the projectors is plural, each projector may be provided right above a different platen; at this moment, operating personnel can adjust the position of the stock of placing on a plurality of platens simultaneously, is favorable to improving stamp efficiency. For example, the number of the projectors may be two, and two projectors may be provided directly above two adjacent platens, respectively, and used to project the reference pattern onto the two platens.
In the related art, in order to ensure that the target pattern is printed at a preset position on the upper printing material, an operator needs to set a corresponding reference pattern for determining the placement position of the printing material on the platen in advance; during the laying up of the substrate, the operator needs to align the substrate with the fiducial pattern. On one hand, the reference pattern is positioned below the printing stock and is easily shielded by the printing stock, so that the sight of an operator is influenced, and the efficiency of aligning the printing stock with the reference pattern by the operator is reduced; on the other hand, since the printing assembly usually needs to print the target pattern on various types of printing materials, various reference patterns need to be arranged on the platen correspondingly, which may result in that reference patterns with various sizes or shapes are distributed on one platen, so that the operator cannot easily find out the correct reference pattern; in addition, as the printing apparatus is used for a longer period of time, the reference pattern on the platen is gradually worn away, and the operator needs to replace the new platen or redraw the reference pattern on the original platen.
Based on this, the embodiment of the invention provides a printing method, which can acquire information of a printing stock to be printed, can call a reference pattern matched with the information of the printing stock, projects an image of the reference pattern to a direction of a platen through a projection device, and controls a printing assembly to print a target image-text on the printing stock if the printing stock on the platen is aligned with the image of the reference pattern. Therefore, the reference pattern can be automatically called according to the information of the printing stock, the position of the printing stock can be determined through the image of the reference pattern projected by the projection device, and the alignment efficiency of printing stock is improved. To facilitate the reader's understanding of the invention, reference will now be made to specific examples.
Referring to fig. 3, fig. 3 schematically illustrates a printing method applied to a printing machine, such as the printing machine 100 of fig. 1, the method comprising the steps of:
s21, obtaining the information of the printing stock to be printed;
in some embodiments, the first processor is capable of obtaining information of a substrate to be printed. The printing stock can be clothing or cut pieces, wherein the cut pieces refer to cut pieces which are not sewn after being cut, and the cut pieces can be cloth pieces specifically. The information of the substrate may be processing order information of the substrate, for example, the information of the substrate may be a color, a shape, and a size of the substrate. When the printing stock is the clothing, the information of the printing stock can be the style and the code number of the clothing, wherein the code number of the clothing comprises an enlarged code, a large code, a medium code, a small code, an enlarged small code and the like. The information of the substrate may also be a target pattern to be printed on the substrate.
S22, calling a reference pattern matched with the printing stock according to the information of the printing stock;
in some embodiments, the first processor may invoke a fiducial pattern matching the substrate based on the information of the substrate. The first processor may specifically select the respective fiducial pattern according to the colour, shape and size of the substrate. To facilitate viewing of the fiducial pattern, the first processor may invoke a fiducial pattern that is a different color than the color of the substrate based on the color of the substrate. For example, when the color of the printing material is black, if the color of the reference pattern is also black, the display effect of the reference pattern is not obvious, so the first processor may select the reference pattern with lighter color, for example, may select the reference pattern with white color.
In some embodiments, the first processor may preset a plurality of reference patterns, and preset a one-to-one correspondence relationship between the information of the printing material and the reference patterns, for example, garments with the same style but different codes correspond to reference patterns with the same shape but different sizes. When the number of the clothes is larger, the first processor can call the reference pattern with larger size; when the number of codes of the garment is small, the first processor may call up a reference pattern having a small size.
S23, projecting the projection image of the reference pattern to one side of the bedplate through a projecting device;
figure 4 schematically shows a projected image schematic of the substrate and fiducial pattern. As shown in fig. 4, the substrate 31 in fig. 4(a) is a cut piece, and the first processor may acquire a reference pattern matching the shape and size of the cut piece in fig. 4(a) and form a projected image of the reference pattern on the platen by the projector. There may be a plurality of fiducial patterns matching the same substrate, for example, the fiducial pattern matching the substrate 31 may be the projected image 32 in fig. 4(b) or the projected image 33 in fig. 4(c), wherein the shape and size of the projected image 32 are the same as those of the substrate 31, and the shape and size of the hollow area in the projected image 33 are the same as those of the substrate 31. The projection may be positioned directly above the platen so that the image of the fiducial pattern is projected vertically onto the platen 34.
In this embodiment, after the projection device projects the image of the reference pattern on the platen, the operator may place the object on the platen and adjust the position of the object based on the projected image of the reference pattern. For example, the worker may place the cut segment 31 in fig. 4(a) on the platen 34 and adjust the position of the substrate 31 on the platen according to the projected image 32 or the projected image 33 of the fiducial pattern; when the projected image of the reference pattern is the projected image 32, adjusting the edge of the substrate 31 to coincide with the edge of the projected image 32; when the projected image of the reference pattern is the projected image 33, the edge of the substrate 31 is adjusted to be the edge of the hollow area with the projected image 33.
Optionally, in some embodiments, the method further includes the following steps:
s23a, projecting at least one projection image of a display pattern on the printing stock through the projection device;
s23b, determining the target pattern according to the display effect of the display pattern on the printing stock.
Typically, the shape, colour and size of the target pattern is pre-set by the operator before printing the target pattern on the substrate. Since the actual appearance of the target pattern on the printing material is affected by the color and size of the printing material, the appearance of the target pattern is affected by the color or size of the printing material. For example, printing a red target pattern on a green garment can affect the aesthetic appearance of the garment. Therefore, in order to determine whether the actual effect of the set target pattern printed on the printing material is beautiful, the operator usually needs to evaluate the effect of the designed target pattern on the printing material by printing the designed target pattern on a piece of two printing materials in advance through a printing machine before mass production. Therefore, raw materials are not wasted, the printing cost is increased, and a large amount of working time of operators is wasted.
Before printing the target pattern, in order to facilitate an operator to evaluate the presentation effect of the target pattern on the printing material in advance, the embodiment may project an image of at least one display pattern on the printing material through the projection device. The first processor can be preset with display patterns with different shapes, colors and/or sizes, and operators in the field can set any different display patterns according to actual needs. The first processor may control the projector to sequentially project the display patterns of different shapes, sizes and/or colors at different positions on the substrate. The operator can determine the display pattern with the optimal presentation effect as the target pattern from the display patterns according to the presentation effect of the display patterns on the printing stock.
Fig. 5 schematically shows the effect of the display pattern on the printed material, as shown in fig. 5(a), the printed material 42 is placed on the platen 41, the first processor can control the projector to project the display pattern 43 on the substrate 42, and the first processor can also adjust the color, size and/or position of the display pattern 43 on the printed material 42, and the adjusted display pattern is shown as the display pattern 43' in fig. 5 (b). The worker can select the target design from the display designs 43 and 43 'according to the effects of the display designs 43 and 43' in 5(a) and 5(b), respectively.
And S24, controlling the printing assembly to print the target pattern on the printing stock.
In this embodiment, after the operator adjusts the position of the substrate on the platen and determines the target pattern, the first processor may capture the target pattern and print the target pattern on the substrate via the printing assembly. In some embodiments, the printing machine further comprises an image capture device, the first processor being capable of determining from the image captured by the image capture device a deviation between the substrate on the platen and the projected image of the fiducial pattern; and if the deviation of the printing stock and the reference pattern is within a preset range, controlling the printing assembly to print the target pattern on the printing stock.
In some embodiments, the first processor may also print the digital pattern on the substrate via a digital printer, which may be disposed above one of the platens of the printer. When the target pattern is complex, the complete target pattern cannot be printed only by the printing screen frame, at this time, the target pattern can be divided into a first pattern area and a second pattern area, and the first pattern area and the second pattern area are printed by the printing screen frame and a spray head of the digital printer respectively; the pattern printed by the digital printer on the second pattern area on the substrate is called a digital pattern. In the embodiment, the screen printing is combined with the digital printing, the advantages of the traditional screen printing can be utilized to print patterns in a large area on a printing stock, the digital ink jet is utilized to print patterns in a small area and in a dotted manner, and the digital printing does not need plate making; the embodiment can make full use of the advantages of digital printing and screen printing, and can form fine and smooth target patterns quickly and efficiently, so that the printing effect is good. In other embodiments, multiple digital printers may be used in cooperation, which requires screen-making.
In some embodiments, the first processor is further capable of acquiring a display pattern, acquiring a model of a preset printing screen frame for printing the display pattern according to the display pattern, and when a worker determines a target pattern in the display pattern, the target patterns with different shapes and sizes correspond to different printing screen frames. The first processor can acquire the model of the printing screen frame corresponding to the display pattern serving as the target pattern, and the model is displayed for an operator, so that the operator can replace the printing screen frame of the printing machine conveniently.
Referring to fig. 6, fig. 6 schematically illustrates a projection correction method applied to a projection apparatus, as shown in fig. 6, the method includes the following steps:
s31, acquiring information of a printing stock to be printed by the printing machine;
s32, calling a reference pattern matched with the printing stock according to the information of the printing stock;
and S33, projecting a projection image of the reference pattern on one side of a bedplate of the printing machine through a projection device, wherein the image of the reference pattern is used for adjusting the position of the printing stock on the bedplate.
Optionally, referring to fig. 7, in some embodiments, the projection correction method further includes the following steps:
s34, acquiring at least one preset display pattern;
and S35, projecting at least one projection image of the display pattern on the printing material through a projection device, wherein the projection image of the display pattern is used for determining the target pattern to be printed on the printing material.
An embodiment of the present invention further provides a printing apparatus, which is applied to a printing machine, for example, the printing machine 100 in fig. 1, and as shown in fig. 8, the printing apparatus 800 includes:
the acquisition module 801 is used for acquiring information of the printing stock to be printed;
a calling module 802, wherein the calling module 802 is used for calling the reference pattern matched with the printing stock according to the information of the printing stock;
a first projection module 803, the first projection module 803 being configured to project a projected image of the fiducial pattern on one side of the platen via a projection device, so that an operator can adjust the position of the printing material on the platen according to the projected image of the fiducial pattern;
a printing module 804, the printing module 804 for controlling the printing assembly to print the target pattern on the substrate.
Referring to fig. 9, in some embodiments, the printing apparatus 800 further includes a second projection module 805, where the second projection module 805 is configured to:
before the target pattern is printed on the printing stock through a printing assembly of the printing machine, at least one projection image of the display pattern is projected on the printing stock through a projection device, so that an operator determines the target pattern according to the display effect of the projection image of the display pattern on the printing stock.
In some embodiments, the printing assembly comprises a printing frame, and the printing apparatus 800 further comprises:
an obtaining module 806, where the obtaining module 806 is configured to obtain a preset model of the printing screen frame, and establish a mapping relationship between the preset model of the printing screen frame and the display pattern;
a determining module 807, wherein the determining module 807 is configured to determine a model of a printing frame for printing the target pattern according to the mapping relationship.
In some embodiments, each of the display patterns is different in shape, size, and/or color; the second projection module 805 is specifically configured to:
projecting the projected images of the at least one display pattern sequentially at different locations on the substrate.
In some embodiments, printing module 804 is specifically configured to:
determining a deviation between the substrate on the platen and the projected image of the fiducial pattern from an image captured by an image capture device;
and if the deviation of the printing stock and the reference pattern is within a preset range, controlling the printing assembly to print the target pattern on the printing stock.
The printing method, the projection correction method, the projection device, the printing machine and the storage medium provided by the embodiment of the invention can acquire the information of a printing stock to be printed, call the reference pattern matched with the printing stock according to the information of the printing stock, and project the projection image of the reference pattern on one side of the bedplate of the printing machine through the projection device; therefore, the operator can adjust the position of the printing stock placed on the table plate according to the projected image of the reference pattern, so that the printing stock is aligned with the projected image of the reference pattern, and the printing machine can print the target pattern on the designated position of the printing stock. On one hand, the projected image of the reference pattern is positioned above the printing stock and cannot be shielded by the printing stock; on the other hand, the reference pattern projected by the projection device can be automatically changed along with the difference of the printing stock, a plurality of different reference patterns do not need to be drawn on the bedplate, the worker can conveniently and quickly align the position of the printing stock, and the printing efficiency is improved.
In fig. 1, a first processor 110 is taken as an example. The first processor 110 and the first memory 120 may be connected by a bus or other means, and the bus connection is taken as an example in fig. 1. The first memory 120 is a non-volatile computer-readable storage medium, and can be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions/modules corresponding to the printing method in the embodiment of the present invention. The first processor 110 executes various functional applications of the server and data processing, i.e., implements the printing method of the above-described method embodiment, by running the non-volatile software program, instructions, and modules stored in the first memory 120.
The first memory 120 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the printing apparatus, and the like. In addition, the first memory 120 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage device. In some embodiments, the first memory 120 optionally includes memory located remotely from the first processor 110, which may be connected to the printing apparatus via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the first memory 120, and when executed by the at least one first processor 110, perform the patterning method in any of the above-described method embodiments, for example, perform the above-described method steps S21-S24 in fig. 3, and implement the functions of the function modules 801 and 804 in fig. 8, and the functions of the function modules 801 and 807 in fig. 9.
The product can execute the method provided by the embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method. For technical details that are not described in detail in this embodiment, reference may be made to the method provided by the embodiment of the present invention.
The embodiment of the invention provides a projection device, which comprises at least one second processor; and a second memory communicatively coupled to the at least one second processor; wherein the memory stores instructions executable by the at least one second processor to enable the at least one second processor to perform the above-described projection correction method, e.g., performing method steps S31-S33 in FIG. 6 and method steps S31-S35 in FIG. 7 described above.
Embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer-executable instructions for an electronic device to perform a method of patterning a projection apparatus in any of the above-described method embodiments, e.g., performing the above-described method steps S21-S24 in fig. 3, the method steps S31-S33 in fig. 6, and the method steps S31-S35 in fig. 7; the functions of the function modules 801 and 804 in fig. 8 and the functions of the function modules 801 and 807 in fig. 9 are realized.
Embodiments of the present invention provide a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform a patterning method of a projection apparatus in any of the above-described method embodiments, e.g., performing the above-described method steps S21-S24 in fig. 3, the method steps S31-S33 in fig. 6, and the method steps S31-S35 in fig. 7; the functions of the function modules 801 and 804 in fig. 8 and the functions of the function modules 801 and 807 in fig. 9 are realized.
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.
Through the above description of the embodiments, it is clear to an operator in the art that the embodiments may be implemented by software plus a general hardware platform, and may also be implemented by hardware. It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
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 these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A printing method is applied to a printing machine and is characterized by comprising the following steps:
acquiring information of a printing stock to be printed;
calling a reference pattern matched with the printing stock according to the information of the printing stock;
projecting a projected image of the reference pattern on one side of a platen by a projection device so that an operator adjusts the position of the printing material on the platen according to the projected image of the reference pattern;
and controlling the printing assembly to print the target pattern on the printing stock.
2. The printing method according to claim 1, wherein prior to printing the target pattern on the substrate by the printing assembly of the printing machine, the method further comprises:
and projecting at least one projection image of a display pattern on the printing stock through a projection device, so that an operator determines the target pattern according to the display effect of the projection image of the display pattern on the printing stock.
3. The printing method according to claim 2, wherein the printing assembly comprises a printing frame, the controlling the printing assembly prior to printing the target pattern on the substrate, the method further comprising:
acquiring a preset model of the printing screen frame, and establishing a mapping relation between the preset model of the printing screen frame and the display pattern;
and determining the model of the printing screen frame for printing the target pattern according to the mapping relation.
4. Printing process according to claim 2, wherein each display pattern is different in shape, size and/or colour;
the projection image of at least one display pattern is projected on a printing material through a projection device, and the projection image comprises:
projecting the projected images of the at least one display pattern sequentially at different locations on the substrate.
5. The printing method according to any one of claims 1 to 4, wherein the controlling the printing assembly to print the target pattern on the substrate comprises:
determining a deviation between the projected image of the substrate and the fiducial pattern on the platen from an image captured by an image capture device;
and if the deviation of the printing stock and the reference pattern is within a preset range, controlling the printing assembly to print the target pattern on the printing stock.
6. A projection correction method is applied to a projection device, and is characterized by comprising the following steps:
acquiring information of a printing stock to be printed by the printing machine;
calling a reference pattern matched with the printing stock according to the information of the printing stock;
and projecting the projected image of the reference pattern on one side of a bedplate of the printing machine through a projecting device so that an operator adjusts the position of the printing stock on the bedplate according to the projected image of the reference pattern.
7. The projection correction method according to claim 6, characterized in that the method further comprises:
acquiring at least one preset display pattern;
projecting at least one projection image of a display pattern on the printing stock through a projection device, so that an operator determines the target pattern according to the display effect of the projection image of the display pattern on the printing stock.
8. A decorating machine, characterized in that, decorating machine includes:
a printing assembly;
a projection device;
at least one first processor; and
a first memory communicatively coupled to the at least one first processor; wherein, the first and the second end of the pipe are connected with each other,
the first memory stores instructions executable by the at least one first processor to enable the at least one first processor to perform the printing method of any one of claims 1 to 5.
9. A projection device, the projection device comprising:
at least one second processor; and
a second memory communicatively coupled to the at least one second processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one second processor to enable the at least one second processor to perform the projection correction method of claim 6 or 7.
10. A non-transitory computer-readable storage medium storing computer-executable instructions that, when executed, are capable of performing the method of any one of claims 1-7.
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Application publication date: 20220520 |