CN117817134A - Angle metering control system for laser code spraying machine and control method thereof - Google Patents
Angle metering control system for laser code spraying machine and control method thereof Download PDFInfo
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- CN117817134A CN117817134A CN202410239436.XA CN202410239436A CN117817134A CN 117817134 A CN117817134 A CN 117817134A CN 202410239436 A CN202410239436 A CN 202410239436A CN 117817134 A CN117817134 A CN 117817134A
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- 238000005507 spraying Methods 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 230000003993 interaction Effects 0.000 claims description 46
- 238000010009 beating Methods 0.000 claims description 3
- 210000003128 head Anatomy 0.000 description 29
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 238000004590 computer program Methods 0.000 description 7
- 230000002950 deficient Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000010330 laser marking Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/007—Marks, e.g. trade marks
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Ink Jet (AREA)
Abstract
The invention discloses an angle metering control system for a laser code spraying machine and a control method thereof, and belongs to the technical field of laser code spraying machines. Wherein a laser inkjet printer is with angle measurement control system includes: the image acquisition device is used for acquiring a code spraying image of the laser code spraying machine on the surface of the workpiece; the angle adjusting electromagnetic valve is used for realizing the connection or disconnection of the air passage of the marking head leveling device according to the input electric signal; the angle metering control system for the laser code spraying machine further comprises a control device, wherein the control device is used for sending a control signal to the angle adjusting electromagnetic valve according to a code spraying image control signal, sent by the image acquisition device, of the laser code spraying machine on the surface of the workpiece so as to control the angle adjusting electromagnetic valve. According to the invention, whether the marking head of the code spraying machine is angularly offset or not is judged by the control device according to the code spraying image of the laser code spraying machine on the surface of the workpiece, and when the angle is offset, the angle adjusting electromagnetic valve can be controlled to level the marking head so as to ensure the production quality.
Description
Technical Field
The invention relates to the technical field of laser code spraying machines, in particular to an angle metering control system for a laser code spraying machine and a control method thereof.
Background
The working principle of the laser code spraying machine is that the laser light source is used for emitting the laser, and after the laser light source passes through the polarizer system, the product surface is burnt (physical and chemical reactions) and then marks are left, so that the laser code spraying machine is characterized by being green and environment-friendly, good in anti-counterfeiting performance, incapable of being tampered, extremely high in printing precision, accurate in control and capable of clearly and perfectly interpreting the jet printing content, and dangerous chemicals such as ink consumables are not involved in the use process.
In the prior art, the laser code spraying machine needs to keep that the laser marking head can be perpendicular to the surface of the product to be processed when in actual use, so that the condition that the laser marking is fuzzy or the character is deformed can be prevented, however, the condition that the marking head is not completely perpendicular to the product to be processed and cannot be perceived by naked eyes due to long use time in the actual marking process of the laser code spraying machine occurs, and the yield is lower for some high-precision products.
Disclosure of Invention
The content of the present application is intended to introduce concepts in a simplified form that are further described below in the detailed description. The section of this application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
Some embodiments of the present application provide an angle measurement control system for a laser inkjet printer and a control method thereof, so as to solve the technical problems mentioned in the background section above.
As a first aspect of the present application, some embodiments of the present application provide an angle measurement control system for a laser inkjet printer, the laser inkjet printer includes a marking head and a marking head leveling device, the angle measurement control system for the laser inkjet printer includes: the image acquisition device is used for acquiring a code spraying image of the laser code spraying machine on the surface of the workpiece; the angle adjusting electromagnetic valve is used for realizing the connection or disconnection of the air passage of the marking head leveling device according to the input electric signal; the angle metering control system for the laser code spraying machine further comprises a control device, wherein the control device is used for sending a control signal to the angle adjusting electromagnetic valve according to a code spraying image control signal, sent by the image acquisition device, of the laser code spraying machine on the surface of a workpiece so as to control the angle adjusting electromagnetic valve.
Further, the image acquisition device comprises a camera, the camera is arranged on one side of the marking head, and the camera shoots a code spraying image of the laser code spraying machine on the surface of the workpiece and transmits the code spraying image to the control device; and the control device sends a control signal to the angle adjusting electromagnetic valve according to the image signal shot by the camera.
Further, the angle metering control system for the laser code spraying machine further comprises: the marking device is used for marking the workpiece according to the input control signal; the control device sends a control signal to the marking device according to the code spraying image control signal of the laser code spraying machine on the surface of the workpiece, which is acquired by the image acquisition device.
Further, the angle metering control system for the laser code spraying machine further comprises: the power supply device is used for realizing the on-off of a circuit of the laser code spraying machine according to the input electric signal; the control device sends a control signal to the power supply device according to the control signal sent by the image acquisition device.
Further, the angle metering control system for the laser code spraying machine further comprises: the interaction device is used for being operated by a user to realize man-machine interaction operation; the control device sends control signals to the power supply device and/or the angle adjusting electromagnetic valve according to the control signals sent by the interaction device.
Further, the interaction device includes: the first interaction module is used for being operated by a user to realize the on and off of the power supply device; the control device sends a control signal to the power supply device according to the control signal sent by the first interaction module.
Further, the interaction device further comprises: the second interaction module is used for being operated by a user to realize automatic leveling of the marking head leveling device; and the control device sends a control signal to the angle adjustment electromagnetic valve according to the control signal sent by the second interaction module.
As a second aspect of the present application, some embodiments of the present application provide an angle measurement control method for a laser inkjet printer, operated by the angle measurement control system for a laser inkjet printer, where the angle measurement control method for a laser inkjet printer includes:
responding to the code spraying image data of the laser code spraying machine on the surface of the workpiece acquired by the image acquisition device, and manufacturing a template image;
calculating a matching value of the code spraying mark image to be detected and the template image;
judging the size of the matching value and the set threshold value;
and when the matching value of the code spraying image to be detected and the template image is larger than a set threshold value, sending a control signal for conducting to the angle adjusting electromagnetic valve.
Further, the method for manufacturing the template image by responding to the code spraying image of the laser code spraying machine on the surface of the workpiece, which is acquired by the image acquisition device, comprises the following steps:
collecting a workpiece surface image irradiated by a visible light lamp source, and marking coordinates (x, y, l and w) of the workpiece surface in the image, wherein (x, y) is the upper left corner coordinate of the workpiece surface, and (l and w) is the length and width of the workpiece surface image, so as to obtain a region picture R0 of the workpiece surface;
coordinates of code spraying marks of the workpiece surface image at the mark position are obtained, and a coordinate set of the code spraying marks to be detected is obtained, namely { (x 1, y1, l1, w 1), … (xn, yn, ln, wn) }, wherein n represents the number of the code spraying marks to be detected, and n is a natural number.
Further, the method for calculating the matching value of the code spraying mark image to be detected and the template image comprises the following steps:
collecting a code spraying mark image under the irradiation of a visible light lamp source, and taking an area (x-r, y-r, l+r, w+r) to be identified, wherein (x, y, l, w) is a parameter in the template manufacture, and r is a configuration parameter to obtain a code spraying mark image Ri to be detected;
window sliding is carried out on Ri by R0, matching similarity epsilon of R0 on Ri is calculated, and the calculating method is that matching values of R0 on Ri window images are calculated:
，
where m represents the index of the pixel coordinates in the image,pixel value representing the coordinate in R0,/-for>The pixel value representing the coordinate in Ri.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) According to the invention, whether the marking head of the code spraying machine is angularly offset or not is judged by the control device according to the code spraying image of the laser code spraying machine on the surface of the workpiece, and when the angle is offset, the angle adjusting electromagnetic valve can be controlled to level the marking head so as to ensure the production quality.
(2) According to the invention, the template image is established, so that the data volume of the sample database is smaller, the product positioning can be finished by only one marked image, the system response speed is faster, and the occupied memory is smaller.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application.
In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.
FIG. 1 is a schematic signal transmission diagram of an angle measurement control system for a laser inkjet printer according to an embodiment of the present application;
FIG. 2 is a schematic diagram illustrating the steps of an angle measurement control method for a laser inkjet printer according to an embodiment of the present disclosure;
reference numerals in the schematic drawings illustrate:
100. an image acquisition device;
200. an angle adjusting electromagnetic valve;
300. a control device;
400. a marking device;
500. a power supply device;
600. an interaction device; 610. a first interaction module; 620. and a second interaction module.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.
It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.
The names of messages or information interacted between the various devices in the embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of such messages or information.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, an angle measurement control system for a laser inkjet printer according to an embodiment of the present application, the laser inkjet printer includes a marking head and a marking head leveling device, the angle measurement control system for the laser inkjet printer includes: the image acquisition device 100 is used for acquiring a code spraying image of the laser code spraying machine on the surface of the workpiece; the angle adjusting electromagnetic valve 200 is used for realizing the conduction or closing of the air passage of the marking head leveling device according to the input electric signal; the angle metering control system for a laser code spraying machine further comprises a control device 300, which is used for sending a control signal to the angle adjusting electromagnetic valve 200 according to the code spraying image control signal of the laser code spraying machine on the surface of the workpiece sent by the image acquisition device 100 so as to control the angle adjusting electromagnetic valve 200.
Specifically, the image acquisition device 100 includes a camera, the camera is disposed at one side of the marking head, and the camera shoots a code-spraying image of the laser code-spraying machine on the surface of the workpiece and transmits the code-spraying image to the control device 300; the control device 300 sends a control signal to the angle adjusting solenoid valve 200 according to the image signal photographed by the camera.
More specifically, the camera is arranged at one side of the marking head, the camera automatically photographs a workpiece placed on the operation table, the camera processes the photograph into an electric signal to transmit after photographing the photograph, namely, the photographed photograph is sent to the control device 300, and the control device 300 performs logic judgment and calculation according to the received photograph.
The laser ink jet numbering machine is easy to take place to beat the vertical angle of mark head and operation panel and changes in the transportation, and the manual work can be through looking into when changing great, and operating personnel can be through adjusting the levelling device who beats the mark head and come its leveling, beat the levelling device of mark head and contain the trachea and with the telescopic link that the trachea is connected, fill or exhaust gas can control the projecting amount of telescopic link and then realize beating the leveling operation of mark head in the cavity of having pole or rodless chamber of telescopic link through the trachea, have manual switch in trachea one side, control tracheal gas through controlling manual switch's opening and shutting and get into in the telescopic link and come to beat the mark head leveling, finally guarantee to beat the laser exit of mark head and the plane that the operation panel is located perpendicular can.
However, when the vertical angle between the marking head and the operating table is changed slightly during transportation of the laser code spraying machine, or the marking head is slightly angularly shifted after the laser code spraying machine is used for a long time, the marking head is difficult to be perceived by naked eyes, and if the workpiece to be sprayed is high in precision requirement, a large number of defective products are generated. Therefore, the angle metering control system for the laser code spraying machine shoots the code sprayed by the camera after each time, then transmits the shot photo to the control device 300 for logic calculation and judgment, judges whether the code sprayed on the workpiece sprayed by the code is askew or not, and if so, the control device 300 controls the angle adjusting electromagnetic valve 200 to level the marking head leveling device.
In a specific embodiment, the angle measurement control system for a laser inkjet printer further includes: marking means 400 for realizing marking of the workpiece according to the inputted control signal; the control device 300 sends a control signal to the marking device 400 according to the code-spraying image control signal of the laser code spraying machine on the surface of the workpiece, which is collected by the image collecting device 100.
Specifically, when the angle metering control system for the laser code spraying machine shoots the code sprayed by the camera after each time, the shot photo is transmitted to the control device 300 to perform logic calculation and judgment, whether the code sprayed on the workpiece sprayed with the code is askew is judged, and when the control device 300 judges that the angle deviation of the marking head occurs, the workpiece sprayed with the code is marked and transmitted to the display screen for the operator to watch, and whether the operator operates to stop for maintenance is judged.
In a specific embodiment, the angle measurement control system for a laser inkjet printer further includes: the power supply device 500 is used for realizing the on-off of a circuit of the laser code spraying machine according to the input electric signal; wherein, the control device 300 sends a control signal to the power supply device 500 according to the control signal sent by the image acquisition device 100.
Specifically, the frequency or the number of defective products is set by the operator, and when the control device 300 records that the frequency or the number of defective products reaches the frequency or the number of defective products set by the operator, the control device 300 sends a control signal for turning off the power supply to the power supply device 500, and the power supply device 500 cuts off the power supply of the whole machine after receiving the control signal, and stops code spraying.
In a specific embodiment, the angle measurement control system for a laser inkjet printer further includes: the interaction device 600 is used for being operated by a user to realize man-machine interaction operation; wherein the control device 300 sends a control signal to the power supply device 500 and/or the angle adjusting solenoid valve 200 according to the control signal sent by the interaction device 600.
Wherein, the interaction device 600 comprises: a first interaction module 610 for a user to operate to turn on and off the power supply device 500; wherein, the control device 300 sends a control signal to the power supply device 500 according to the control signal sent by the first interaction module 610. The interaction device 600 further comprises: a second interaction module 620, configured to be operated by a user to implement automatic leveling of the marking head leveling device; wherein, the control device 300 sends a control signal to the angle adjustment solenoid valve 200 according to the control signal sent by the second interaction module 620.
Specifically, the interaction device 600 is mainly used for providing a man-machine interaction interface, so that a user can set data, and meanwhile, the control device 300 receives various data and feeds the data back to the user. As a specific scheme, the interaction device 600 may adopt a touch display with a processing chip and a memory, and a touch screen of the touch display may be used for displaying or allowing a user to input data through touch, and the user may implement man-machine interaction by operating an instruction on the touch screen in the cab. The touch screen is used as a carrier of the interaction module, so that the intelligent degree of human-vehicle interaction is improved, and the operation difficulty is reduced.
More specifically, the interaction device 600 includes a first interaction module 610 and a second interaction module 620.
The first interaction module 610 is used for being operated by a user to close the power supply device 500 of the laser code spraying machine, when an operator judges that the frequency of defective products is high and the power supply device 500 needs to be shut down for maintenance, the operator can input an instruction to a power supply case on the interaction device 600 in a touch pressing mode, the first interaction module 610 sends a control signal to the control device 300, and the control device 300 sends the control signal to the power supply device 500 after receiving the control signal so that the power supply device 500 cuts off the power supply of the whole machine.
The second interaction module 620 is used for being operated by a user to realize leveling of the marking head leveling device, when an operator judges that the marking head leveling operation is needed at this time, the operator can touch related keys on the interaction device 600, the second interaction module 620 sends a control signal to the control device 300, and the control device 300 sends a control signal to the angle adjustment electromagnetic valve 200 so as to enable the marking head to be automatically leveled.
In the angle metering control system for a laser inkjet printer of the present application, the priority of the interaction module is greater than the priority of the control device 300 for judging the action by the control signal transmitted by the image acquisition device 100. That is, when the control signal sent by the operator through the interactive device 600 collides with the control signal sent after the logic judgment made by the control device 300, the control signal instruction sent by the operator through the interactive device 600 is preferentially executed.
As shown in fig. 2, in a specific embodiment, some embodiments of the present application provide an angle measurement control method for a laser inkjet printer, where the angle measurement control system for a laser inkjet printer is operated, and the angle measurement control method for a laser inkjet printer includes:
s100: responding to the code spraying image of the laser code spraying machine on the surface of the workpiece acquired by the image acquisition device, and manufacturing a template image;
s200: calculating a matching value of the code spraying mark image to be detected and the template image;
s300: judging the size of the matching value and the set threshold value;
s400: and when the matching value of the code spraying image to be detected and the template image is larger than a set threshold value, sending a control signal for conducting to the angle adjusting electromagnetic valve.
Specifically, the angle measurement control method for the laser code spraying machine comprises the following steps:
and (3) template manufacturing:
and acquiring a workpiece surface image irradiated by a visible light source, and manually marking coordinates (x, y, l and w) of the workpiece surface in the image. Wherein (x, y) is the upper left corner coordinate of the surface of the workpiece, and (l, w) is the length and width of the image of the surface of the workpiece, so as to obtain a region picture R0 of the surface of the workpiece; r0 is used as a template image and is used for positioning the position of the code-spraying mark in the image to be detected in a subsequent step.
Coordinates of code spraying marks of the workpiece surface image at the artificial mark position are obtained, and a coordinate set of the code spraying marks to be detected is obtained, namely { (x 1, y1, l1, w 1), … (xn, yn, ln, wn) }, wherein n represents the number of the code spraying marks to be detected, and n is a natural number.
The marked workpiece surface coordinates and the coordinates of the code spraying marks are used as template images, and the template images are matched with the images to be detected in a subsequent matching algorithm to judge whether the position of the code spraying marks detected subsequently is shifted or not.
Image matching:
and collecting a to-be-detected code spraying mark image under the irradiation of a visible light source and matching with the template image. Specifically:
collecting a code-spraying mark image under the irradiation of a visible light lamp source, and taking an area to be identified (x-r, y-r, l+r, w+r), wherein (x, y, l, w) is a parameter in the manufacture of a template, r is a configuration parameter, and generally between 0 and 10 is selected to obtain a code-spraying mark image Ri to be detected, wherein the selection of r is set according to the offset of an image collecting device and the template to be identified, when the r value is larger, the larger position offset is allowed between the image collecting device and the template to be identified, and the code-spraying mark image Ri is applicable to products with low precision, can reduce the probability of false alarm and relatively improve the production efficiency. When the r value is smaller, the offset between the two is allowed to be smaller, and the method is suitable for products with high precision requirements.
More specifically, window sliding is performed on Ri by R0, and matching similarity epsilon of R0 on Ri is calculated by a calculation method that matching values of R0 on Ri window images are:
，
where m represents the index of the pixel coordinates in the image,pixel value representing the coordinate in R0,/-for>The pixel value representing the coordinate in Ri indicates that the matching degree is acceptable when epsilon is not more than gamma, and indicates that the matching degree is unacceptable when epsilon is more than gamma.
The implementation of the device is specifically how it may be implemented in the prior art, and will not be described in detail herein.
The system, apparatus or module set forth in the above embodiments may be implemented in particular by a computer chip or entity, or by a product having some function. One typical implementation is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices. For convenience of description, the above devices are described as being functionally divided into various units, respectively. Of course, the functions of each element may be implemented in one or more software and/or hardware elements when implemented in the present specification.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks. In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory. The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the invention. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.
Claims (10)
1. The utility model provides an angle measurement control system for laser inkjet printer, laser inkjet printer is including beating the mark head and beating mark head levelling device, angle measurement control system for laser inkjet printer includes:
the image acquisition device is used for acquiring a code spraying image of the laser code spraying machine on the surface of the workpiece;
the angle adjusting electromagnetic valve is used for realizing the connection or disconnection of the air passage of the marking head leveling device according to the input electric signal;
the method is characterized in that:
the angle metering control system for the laser code spraying machine further comprises:
and the control device is used for sending a control signal to the angle adjusting electromagnetic valve according to the code spraying image control signal of the laser code spraying machine on the surface of the workpiece, which is sent by the image acquisition device, so as to control the angle adjusting electromagnetic valve.
2. The angle measurement control system for a laser inkjet printer according to claim 1, wherein:
the image acquisition device comprises a camera, the camera is arranged on one side of the marking head, and the camera shoots a code spraying image of the laser code spraying machine on the surface of the workpiece and transmits the code spraying image to the control device;
and the control device sends a control signal to the angle adjusting electromagnetic valve according to the image signal shot by the camera.
3. The angle measurement control system for a laser inkjet printer according to claim 1 or 2, wherein:
the angle metering control system for the laser code spraying machine further comprises:
the marking device is used for marking the workpiece according to the input control signal;
the control device sends a control signal to the marking device according to the code spraying image control signal of the laser code spraying machine on the surface of the workpiece, which is acquired by the image acquisition device.
4. The angle measurement control system for a laser inkjet printer according to claim 1 or 2, wherein:
the angle metering control system for the laser code spraying machine further comprises:
the power supply device is used for realizing the on-off of a circuit of the laser code spraying machine according to the input electric signal;
the control device sends a control signal to the power supply device according to the control signal sent by the image acquisition device.
5. The angle measurement control system for a laser inkjet printer according to claim 4, wherein:
the angle metering control system for the laser code spraying machine further comprises:
the interaction device is used for being operated by a user to realize man-machine interaction operation;
the control device sends control signals to the power supply device and/or the angle adjusting electromagnetic valve according to the control signals sent by the interaction device.
6. The angle measurement control system for a laser inkjet printer according to claim 5, wherein:
the interaction device comprises:
the first interaction module is used for being operated by a user to realize the on and off of the power supply device;
the control device sends a control signal to the power supply device according to the control signal sent by the first interaction module.
7. The angle measurement control system for a laser inkjet printer according to claim 6, wherein:
the interaction device further comprises:
the second interaction module is used for being operated by a user to realize automatic leveling of the marking head leveling device;
and the control device sends a control signal to the angle adjustment electromagnetic valve according to the control signal sent by the second interaction module.
8. The angle metering control method for the laser code spraying machine is characterized by comprising the following steps of: the angle measurement control system for a laser inkjet printer according to any one of claims 1 to 7, wherein the angle measurement control method for a laser inkjet printer includes:
responding to the code spraying image data of the laser code spraying machine on the surface of the workpiece acquired by the image acquisition device, and manufacturing a template image;
calculating a matching value of the code spraying mark image to be detected and the template image;
judging the size of the matching value and the set threshold value;
and when the matching value of the code spraying image to be detected and the template image is larger than a set threshold value, sending a control signal for conducting to the angle adjusting electromagnetic valve.
9. The angle measurement control method for a laser inkjet printer according to claim 8, wherein:
the method for manufacturing the template image by responding to the code spraying image of the laser code spraying machine on the surface of the workpiece, which is acquired by the image acquisition device, comprises the following steps:
collecting a workpiece surface image irradiated by a visible light lamp source, and marking coordinates (x, y, l and w) of the workpiece surface in the image, wherein (x, y) is the upper left corner coordinate of the workpiece surface, and (l and w) is the length and width of the workpiece surface image, so as to obtain a region picture R0 of the workpiece surface;
coordinates of code spraying marks of the workpiece surface image at the mark position are obtained, and a coordinate set of the code spraying marks to be detected is obtained, namely { (x 1, y1, l1, w 1), … (xn, yn, ln, wn) }, wherein n represents the number of the code spraying marks to be detected, and n is a natural number.
10. The angle measurement control method for a laser inkjet printer according to claim 9, wherein:
the method for calculating the matching value of the code spraying mark image to be detected and the template image comprises the following steps:
collecting a code spraying mark image under the irradiation of a visible light lamp source, and taking an area (x-r, y-r, l+r, w+r) to be identified, wherein (x, y, l, w) is a parameter in the template manufacture, and r is a configuration parameter to obtain a code spraying mark image Ri to be detected;
window sliding is carried out on Ri by R0, matching similarity epsilon of R0 on Ri is calculated, and the calculating method is that matching values of R0 on Ri window images are calculated:
，
where m represents the index of the pixel coordinates in the image,pixel value representing the coordinate in R0,/-for>The pixel value representing the coordinate in Ri.
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