CN112453516A - Compensation method and device for adjusting carving position and electric carving control system - Google Patents

Compensation method and device for adjusting carving position and electric carving control system Download PDF

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Publication number
CN112453516A
CN112453516A CN202011323098.6A CN202011323098A CN112453516A CN 112453516 A CN112453516 A CN 112453516A CN 202011323098 A CN202011323098 A CN 202011323098A CN 112453516 A CN112453516 A CN 112453516A
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Prior art keywords
engraving
plate roller
head
acquiring
driving
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CN202011323098.6A
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Chinese (zh)
Inventor
贾松涛
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GOOGOL TECHNOLOGY (SHENZHEN) Ltd
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GOOGOL TECHNOLOGY (SHENZHEN) Ltd
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Priority to CN202011323098.6A priority Critical patent/CN112453516A/en
Publication of CN112453516A publication Critical patent/CN112453516A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
    • B23Q15/013—Control or regulation of feed movement
    • B23Q15/06—Control or regulation of feed movement according to measuring results produced by two or more gauging methods using different measuring principles, e.g. by both optical and mechanical gauging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2452—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring features or for detecting a condition of machine parts, tools or workpieces
    • B23Q17/2471—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring features or for detecting a condition of machine parts, tools or workpieces of workpieces
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path

Abstract

The application relates to a compensation method and a device for adjusting an engraving position and an electric engraving control system, wherein the compensation method comprises the following steps: acquiring the angular fluctuation amount of the plate roller in the rotating process; acquiring the current position of the backup head relative to the plate roller according to a first feedback signal of an encoder; and moving the master from the current position to a target position according to the angular fluctuation amount so as to move the engraving head connected with the master to the expected engraving position of the plate roller. According to the method and the device, the current position of the leaning head is obtained by utilizing the first feedback signal of the encoder, the current position of the leaning head is compensated according to the angle fluctuation amount of the printing roller, the leaning head is moved to the target position from the current position, the carving head connected with the leaning head is adjusted to the expected carving position to carry out the mesh carving, the phenomenon that the mesh position of the carving head is not accurate due to the fluctuation of the printing roller is prevented, the probability that the printing roller is abandoned due to the inaccurate mesh position is reduced, and the accuracy of the mesh carving position is improved.

Description

Compensation method and device for adjusting carving position and electric carving control system
Technical Field
The present application relates to electronic engraving and plate making, and more particularly, to a compensation method and apparatus for adjusting engraving position, and an electronic engraving control system.
Background
With the development of modern society, people have higher and higher requirements on printing quality, and a plate roller is a key factor influencing the quality of the plate roller. The roll format includes relief, flat and intaglio, wherein intaglio dominates the market with its excellent properties. The gravure platemaking method comprises the following steps: etching, laser engraving, electric engraving and the like. The electroengraving plate-making is widely applied due to the advantages of strong repeatability, variable mesh point area and depth, low cost and the like.
However, the processing precision of the current electric carving equipment for carving the mesh holes is guaranteed by a mechanical structure, and the problem that the carving precision of the mesh holes is poor often exists.
Disclosure of Invention
The embodiment of the application provides a compensation method and device for adjusting an engraving position and an electric engraving control system, which can improve the accuracy of engraving a mesh point.
A compensation method for adjusting engraving position, comprising:
acquiring the angular fluctuation amount of the plate roller in the rotating process;
acquiring the current position of the backup head relative to the plate roller according to a first feedback signal of an encoder;
and moving the master from the current position to a target position according to the angular fluctuation amount so as to move the engraving head connected with the master to the expected engraving position of the plate roller.
In one embodiment, the moving the headrest from the current position to the target position according to the angle fluctuation amount includes:
acquiring a driving compensation signal according to the angle fluctuation amount;
and driving the headrest to move from the current position to a target position by using the driving compensation signal.
In one embodiment, the obtaining a driving compensation signal according to the angle fluctuation amount includes:
acquiring a coordinate offset corresponding to the headrest according to the angle fluctuation amount, wherein the coordinate offset is a coordinate difference between the target position and the current position;
and acquiring the driving compensation signal according to the coordinate offset corresponding to the headrest.
In one embodiment, the driving the headrest to move from the current position to the target position by using the driving compensation signal includes:
and inputting the driving compensation signal into a motion module so as to enable the motion module to generate a driving force, wherein the driving force is used for pushing the headrest to move to the target position.
In one embodiment, the acquiring the angular fluctuation amount corresponding to the plate roller includes:
and acquiring the angle fluctuation amount according to the expected rotation angle of the plate roller and a second feedback signal fed back by the auxiliary encoder.
In one embodiment, the obtaining the angle fluctuation amount according to the desired rotation angle of the plate roller and the second feedback signal fed back by the auxiliary encoder includes:
acquiring an angle difference value between the expected rotation angle of the printing roller and the current rotation angle of the printing roller;
and acquiring the angle fluctuation amount according to the angle difference value.
In one embodiment, the method further comprises:
and driving an engraving head to reciprocate along the axial direction of the plate roller and simultaneously perpendicular to the cylindrical surface of the plate roller according to an engraving control signal so as to form a mesh on the plate roller, wherein the engraving control signal corresponds to a pattern to be processed of an electric engraving control system.
A compensating device for adjusting engraving position, comprising:
the fluctuation acquisition module is used for acquiring the angular fluctuation amount of the printing roller in the rotation process;
the position acquisition module is used for acquiring the current position of the backup head relative to the plate roller according to the first feedback signal of the encoder;
and the driving module is used for moving the backup head from the current position to a target position according to the angle fluctuation amount so as to enable the engraving head connected with the backup head to move to the expected engraving position of the plate roller.
An electronic engraving control system comprises a memory and a processor, wherein the memory stores a computer program, and the computer program is executed by the processor to enable the processor to execute the steps of the compensation method for adjusting the engraving position.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method as described above.
The compensation method and device for adjusting the engraving position and the electric engraving control system comprise the following steps: acquiring the angular fluctuation amount of the plate roller in the rotating process; acquiring the current position of the backup head relative to the plate roller according to a first feedback signal of an encoder; and moving the master from the current position to a target position according to the angular fluctuation amount so as to move the engraving head connected with the master to the expected engraving position of the plate roller. This application utilizes the first feedback signal of encoder to acquire the current position that leans on the head to it is right according to the angle fluctuation volume of version roller the current position that leans on the head compensates, makes and leans on the head to follow the current position removes to the target location to adjust the carving head that leans on the head to expect carving the position and carry out the pocket sculpture, prevent because the fluctuation of version roller leads to carving the first glyptic pocket position of carving not accurate, reduce because the pocket position is inaccurate to lead to the dumped probability of version roller, improved the accuracy of pocket sculpture position, also reduced the cost of electric carving plate-making simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating an exemplary embodiment of a compensation method for adjusting an engraving position;
FIG. 2 is a flow chart of a compensation method for adjusting engraving position in one embodiment of the present application;
FIG. 3 is a flow chart of a compensation method for adjusting engraving position in accordance with another embodiment of the present application;
FIG. 4 is a flowchart illustrating steps of obtaining a driving compensation signal according to an amount of angular fluctuation according to an embodiment of the present application;
FIG. 5 is a flow chart of a compensation method for adjusting engraving position in accordance with still another embodiment of the present application;
FIG. 6 is a flow chart of a compensation method for adjusting the engraving position according to a new embodiment of the present application;
FIG. 7 is a flow chart of a compensation method including a feedback loop in one embodiment of the present application;
FIG. 8 is a block diagram of a compensating device for adjusting engraving position according to an embodiment;
FIG. 9 is a schematic diagram of an internal structure of an electrographic control system according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application 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 present application and are not intended to limit the present application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, the first feedback signal may be referred to as the second feedback signal, and similarly, the second feedback signal may be referred to as the first feedback signal, without departing from the scope of the present application. The first feedback signal and the second feedback signal are both feedback signals, but are not the same feedback signal.
Fig. 1 is a schematic application environment diagram of a compensation method for adjusting an engraving position according to an embodiment of the present application. When the electric carving machine works normally, the main shaft of the electric carving machine drives the printing roller to rotate at a high speed under the driving of the alternating-current servo motor, the carving head is pressed on the surface of the printing roller driven by the main shaft under the driving of the head leaning motor, and the trolley drives the carving head to move continuously at a low speed or move along the axial direction of the printing roller in a stepping mode under the driving of the screw rod of the servo motor. The industrial personal computer in the electric carving control system converts the patterns to be processed by the electric carving machine into digital image information, the carving head driving module converts the digital signals into analog signals through the digital-to-analog converter, and the carving head is controlled to carve carving points (net holes) with different sizes and depths on the surface of the plate roller copper layer at fixed frequency (4K-8 KHz). The leaning head is connected with the trolley through the motion module, when the trolley is fixed in position, the motion module is connected with the leaning head, and the motion module can control the leaning head to move along the horizontal direction, so that the distance between the engraving head and the roller is controlled, and further, the depth of mesh point engraving is controlled. The motion module can also control the leaning head to move along the vertical direction, thereby controlling the contact position of the engraving head and the plate roller, namely the mesh engraving position.
Fig. 2 is a flowchart of a compensation method for adjusting an engraving position according to an embodiment of the present application. The compensation method for adjusting the engraving position in the present embodiment is described by taking the electric engraving machine in fig. 1 as an example. As shown in fig. 2, the compensation method includes steps 202 to 206.
And step 202, acquiring the angular fluctuation quantity of the plate roller in the rotating process.
Specifically, in the process of rotating the plate roller, a pre-stored expected rotation angle of the plate roller at the current moment is acquired, or an engraving control signal corresponding to the processing pattern is analyzed to obtain the expected rotation angle of the plate roller at the current moment. The second feedback signal can be acquired and fed back by the auxiliary encoder, the actual rotating angle of the printing roller at the current moment can be acquired by analyzing the second feedback signal, and the actual rotating angle of the printing roller at the current moment can be calculated by the rotating speed sensor. And converting the expected turning angle of the plate roller and the actual turning angle of the plate roller into a uniform measurement scale, and regarding the angle difference value of the expected turning angle of the plate roller and the actual turning angle of the plate roller as an angle fluctuation amount under the same measurement scale.
And 204, acquiring the current position of the explorator relative to the plate roller according to the first feedback signal of the encoder.
Specifically, the encoder processes the engraving control signal and then transmits the engraving control signal to the headrest, and the headrest moves to drive the engraving head to move. The encoder can also generate a first feedback signal carrying the current position corresponding to the headrest, and transmit the first feedback signal to the compensation device. The compensation device analyzes the first feedback signal to obtain the current position of the headrest. It should be noted that the current position of the backup head refers to the current position of the backup head relative to the plate roller, and the current position of the backup head corresponds to the actual position of the engraving head for engraving the cells on the plate roller.
And step 206, moving the master from the current position to the target position according to the angular fluctuation amount, so that the engraving head connected with the master moves to the expected engraving position of the plate roller.
Specifically, the fluctuation on the printing roller causes the deviation of the mesh carving position of the carving head, so that the position of the carving head can be adjusted to compensate the fluctuation of the printing roller, and the mesh is carved at an accurate position. The process of adjusting the position of the engraving head to compensate the fluctuation of the printing roller can be as follows: and generating a driving compensation signal according to the angle fluctuation amount, wherein the direction of the angle fluctuation amount corresponds to the direction of the driving compensation signal. The driving compensation signal can be a driving current or a driving voltage. And the motion module can generate a driving force according to the driving compensation signal to drive the backup head to move, so that the engraving head connected with the backup head is driven to move to the expected engraving position of the printing roller, and the mesh point engraving is carried out.
The compensation method for adjusting the engraving position comprises the following steps: and acquiring the angular fluctuation quantity of the plate roller in the rotating process. And acquiring the current position of the explorator head relative to the plate roller according to the first feedback signal of the encoder. And moving the master from the current position to the target position according to the angular fluctuation amount so that the engraving head connected with the master moves to the expected engraving position of the plate roller. This application utilizes the first feedback signal of encoder to acquire the current position of leaning on the head, and compensate according to the angle fluctuation volume of version roller to the current position of leaning on the head, make the head move to the target location from the current position, thereby adjust the carving head that leans on the head to the expected sculpture position and carry out the cave sculpture, prevent because the fluctuation of version roller leads to carving the glyptic cave position of head not accurate, reduce because of the inaccurate probability that leads to the abandonment version roller in cave position, the accuracy of cave sculpture position has been improved, the cost of the plate-making of electric carving has also been reduced simultaneously.
Fig. 3 is a flowchart of a compensation method for adjusting an engraving position according to another embodiment of the present application, and as shown in fig. 3, the compensation method includes steps 302 to 306.
And step 302, acquiring the angle fluctuation quantity of the plate roller in the rotation process.
And step 304, acquiring the current position of the explorator relative to the plate roller according to the first feedback signal of the encoder.
And step 306, acquiring a driving compensation signal according to the angle fluctuation amount. And driving the master to move from the current position to the target position by using the driving compensation signal so that the engraving head connected with the master moves to the expected engraving position of the plate roller.
Specifically, the driving compensation signal is generated according to the angle fluctuation amount, and the direction of the angle fluctuation amount corresponds to the direction of the driving compensation signal. The driving compensation signal can be a driving current or a driving voltage. And the motion module can generate a driving force according to the driving compensation signal to drive the backup head to move, so that the engraving head is driven to move to the expected engraving position of the printing roller, and the mesh engraving is carried out.
Fig. 4 is a flowchart illustrating steps of obtaining a driving compensation signal according to an angle fluctuation amount according to an embodiment of the present application, and as shown in fig. 4, the steps of obtaining the driving compensation signal according to the angle fluctuation amount include: step 402 to step 404. And 402, acquiring a coordinate offset corresponding to the headrest according to the angle fluctuation amount, wherein the coordinate offset is a coordinate difference value between the target position and the current position. And step 404, acquiring a driving compensation signal according to the coordinate offset corresponding to the headrest.
Specifically, the fluctuation on the printing roller causes the deviation of the mesh carving position of the carving head, so that the position of the carving head can be adjusted to compensate the fluctuation of the printing roller, and the mesh is carved at an accurate position. The angle fluctuation amount marks the difference between the current position of the headrest and the target position, namely the angle fluctuation amount has a preset relation with the coordinate offset corresponding to the headrest, after the coordinate offset corresponding to the headrest is obtained, the driving compensation signal is obtained according to the coordinate offset corresponding to the headrest, and the direction of the angle fluctuation amount corresponds to the direction of the driving compensation signal. The driving compensation signal can be a driving current or a driving voltage. In one embodiment, the step of driving the headrest to move from the current position to the target position by using the driving compensation signal comprises: and inputting the driving compensation signal into the motion module so as to enable the motion module to generate a driving force, wherein the driving force is used for pushing the headrest to move to the target position.
Fig. 5 is a flowchart of a compensation method for adjusting an engraving position according to another embodiment of the present application, and as shown in fig. 5, the compensation method includes steps 502 to 506.
And 502, acquiring an angle fluctuation amount according to the expected rotation angle of the plate roller and a second feedback signal fed back by the auxiliary encoder.
And step 504, acquiring the current position of the explorator relative to the plate roller according to the first feedback signal of the encoder.
And step 506, moving the master from the current position to the target position according to the angular fluctuation amount, so that the engraving head connected with the master moves to the expected engraving position of the plate roller.
Specifically, in the process of rotating the plate roller, a pre-stored expected rotation angle of the plate roller at the current moment is acquired, or an engraving control signal corresponding to the processing pattern is analyzed to obtain the expected rotation angle of the plate roller at the current moment. The turning angle refers to an angle at which the plate roll is turned from the initial position to the current position. The actual rotating angle of the printing roller at the current moment can be acquired through the second feedback signal acquired and fed back by the auxiliary encoder, and the actual rotating angle of the printing roller at the current moment can also be acquired through the rotating speed sensor. And converting the expected turning angle of the plate roller and the actual turning angle of the plate roller into a uniform measurement scale, and regarding the angle difference value of the expected turning angle of the plate roller and the actual turning angle of the plate roller as an angle fluctuation amount under the same measurement scale.
In one embodiment, the step of obtaining the angle fluctuation amount according to the desired rotation angle of the plate roller and the second feedback signal fed back by the auxiliary encoder includes: and acquiring an angle difference value between the expected rotation angle of the plate roller and the current rotation angle of the plate roller. And obtaining the angle fluctuation amount according to the angle difference.
Fig. 6 is a flowchart of a compensation method for adjusting the engraving position according to a new embodiment of the present application. As shown in fig. 6, the compensation method includes steps 602 to 608.
Step 602, obtaining the angular fluctuation amount of the plate roller in the rotation process.
And step 604, acquiring the current position of the explorator head relative to the plate roller according to the first feedback signal of the encoder.
And 606, moving the master from the current position to the target position according to the angle fluctuation amount so as to enable the engraving head connected with the master to move to the expected engraving position of the plate roller.
And 608, driving the engraving head to reciprocate perpendicular to the cylindrical surface of the plate roller while moving along the axial direction of the plate roller according to the engraving control signal to form a mesh on the plate roller, wherein the engraving control signal corresponds to the pattern to be processed of the electric engraving control system.
Specifically, the pattern to be processed is converted into digitized image information, and the digital signal is converted into an analog signal, i.e., an engraving control signal, by the digital-to-analog converter. And the control card is used for transmitting the electric carving control signal to the carving head and the printing roller in a communication manner. The plate roller is driven to rotate by the electric carving control signal. And after the engraving head receives the engraving control signal, the axial movement driver drives the engraving head to move axially along the plate roller according to the electric engraving control signal. The reciprocating driver controls the engraving head to reciprocate perpendicular to the cylindrical surface of the rotating plate roller according to the electric engraving control signal. So that the electroengraving needles on the engraving head form cells on the plate roller.
It should be understood that although the various steps in the flow charts of fig. 2-6 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2-6 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, as shown in FIG. 7, Cr identifies the expected turning angle of the plate roll. And the Er marks the actual rotating angle of the plate roller and can be obtained according to a second feedback signal transmitted by the auxiliary encoder. k denotes a gain coefficient, r ═ k ═ Er (Cr-Er) denotes an amount of angular fluctuation after Cr and Er are uniformly measured, wherein,
Figure BDA0002793491240000091
r is the plate roll radius, res1 is the auxiliary encoder resolution, res2 is the encoder resolution. y identifies the current position of the headrest in the vertical direction and may be derived from a first feedback signal fed back by an encoder connected to the headrest. e denotes that y and r are simultaneously input to the feedback controller C, which outputs the drive compensation signal u. And inputting the driving compensation signal into a motion module P, wherein the motion module P is connected with the backup head, and the motion module can generate a driving force according to the driving compensation signal to drive the backup head to move, so that the engraving head connected with the backup head is driven to move to the expected engraving position of the printing roller.
Fig. 8 is a block diagram of a compensating device for adjusting an engraving position according to an embodiment. As shown in fig. 8, the compensating device includes: a fluctuation acquisition module 802, a position acquisition module 804, and a drive module 806.
And the fluctuation obtaining module 802 is configured to obtain an angle fluctuation amount of the plate roller in the rotation process.
Specifically, in the process of rotating the plate roller, a pre-stored expected rotation angle of the plate roller at the current moment is acquired, or an engraving control signal corresponding to the processing pattern is analyzed to obtain the expected rotation angle of the plate roller at the current moment. The second feedback signal can be acquired and fed back by the auxiliary encoder, the actual rotating angle of the printing roller at the current moment can be acquired by analyzing the second feedback signal, and the actual rotating angle of the printing roller at the current moment can be calculated by the rotating speed sensor. And converting the expected turning angle of the plate roller and the actual turning angle of the plate roller into a uniform measurement scale, and regarding the angle difference value of the expected turning angle of the plate roller and the actual turning angle of the plate roller as an angle fluctuation amount under the same measurement scale.
And a position obtaining module 804, configured to obtain a current position of the master relative to the plate roller according to the first feedback signal of the encoder.
Specifically, the encoder processes the engraving control signal and then transmits the engraving control signal to the headrest, and the headrest moves to drive the engraving head to move. The encoder can also generate a first feedback signal carrying the current position corresponding to the headrest, and transmit the first feedback signal to the compensation device. The compensation device analyzes the first feedback signal to obtain the current position of the headrest. It should be noted that the current position of the backup head refers to the current position of the backup head relative to the plate roller, and the current position of the backup head corresponds to the actual position of the engraving head for engraving the cells on the plate roller.
And the driving module 806 is configured to move the master from the current position to the target position according to the angular fluctuation amount, so that the engraving head connected to the master moves to a desired engraving position of the plate roller.
Specifically, the fluctuation on the printing roller causes the deviation of the mesh carving position of the carving head, so that the position of the carving head can be adjusted to compensate the fluctuation of the printing roller, and the mesh is carved at an accurate position. The process of adjusting the position of the engraving head to compensate the fluctuation of the printing roller can be as follows: and generating a driving compensation signal according to the angle fluctuation amount, wherein the direction of the angle fluctuation amount corresponds to the direction of the driving compensation signal. The driving compensation signal can be a driving current or a driving voltage. And the motion module can generate a driving force according to the driving compensation signal to drive the backup head to move, so that the engraving head connected with the backup head is driven to move to the expected engraving position of the printing roller, and the mesh point engraving is carried out.
The compensation device for adjusting the engraving position acquires the angular fluctuation amount of the plate roller in the rotation process by using the fluctuation acquisition module 802. The position obtaining module 804 obtains the current position of the cam relative to the plate roller according to the first feedback signal of the encoder. And moving the head from the current position to the target position by using the driving module 806 according to the angular fluctuation amount, so that the engraving head connected with the head moves to the expected engraving position of the plate roller. This application utilizes the first feedback signal of encoder to acquire the current position of leaning on the head, and compensate according to the angle fluctuation volume of version roller to the current position of leaning on the head, make the head move to the target location from the current position, thereby adjust the carving head that leans on the head to the expected sculpture position and carry out the cave sculpture, prevent because the fluctuation of version roller leads to carving the glyptic cave position of head not accurate, reduce because of the inaccurate probability that leads to the abandonment version roller in cave position, the accuracy of cave sculpture position has been improved, the cost of the plate-making of electric carving has also been reduced simultaneously.
The division of the modules in the compensating device for adjusting the engraving position is only used for illustration, and in other embodiments, the compensating device may be divided into different modules as required to complete all or part of the functions of the compensating device.
For the specific definition of the compensation device, reference may be made to the above definition of the compensation device method, which is not described herein again. The modules in the compensation device can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
FIG. 9 is a schematic diagram of an internal structure of an electrographic control system according to an embodiment of the present application. As shown in fig. 9, the electrographic control system includes a processor and a memory connected by a system bus. Wherein, the processor is used for providing calculation and control capability and supporting the operation of the whole electric carving control system. The memory may include a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The computer program can be executed by a processor for implementing a compensation method for adjusting an engraving position provided in the following embodiments. The internal memory provides a cached execution environment for the operating system computer programs in the non-volatile storage medium.
The implementation of each module in the compensation device provided in the embodiment of the present application may be in the form of a computer program. The computer program may be run on a terminal or a server. The program modules of the computer program may be stored in the memory of the electronic engraving control system. Which when executed by a processor, performs the steps of the method described in the embodiments of the present application.
The embodiment of the application also provides a computer readable storage medium. One or more non-transitory computer-readable storage media containing computer-executable instructions that, when executed by one or more processors, cause the processors to perform the steps of a compensation method of adjusting engraving positions.
A computer program product containing instructions which, when run on a computer, cause the computer to perform a compensation method of adjusting an engraving position.
Any reference to memory, storage, database, or other medium used herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), synchronous Link (Synchlink) DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and bus dynamic RAM (RDRAM).
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A compensation method for adjusting an engraving position, comprising:
acquiring the angular fluctuation amount of the plate roller in the rotating process;
acquiring the current position of the backup head relative to the plate roller according to a first feedback signal of an encoder;
and moving the master from the current position to a target position according to the angular fluctuation amount so as to move the engraving head connected with the master to the expected engraving position of the plate roller.
2. The method of claim 1, wherein moving the headrest from the current position to a target position according to the amount of angular fluctuation comprises:
acquiring a driving compensation signal according to the angle fluctuation amount;
and driving the headrest to move from the current position to a target position by using the driving compensation signal.
3. The method of claim 2, wherein said deriving a drive compensation signal from said amount of angular fluctuation comprises:
acquiring a coordinate offset corresponding to the headrest according to the angle fluctuation amount, wherein the coordinate offset is a coordinate difference between the target position and the current position;
and acquiring the driving compensation signal according to the coordinate offset corresponding to the headrest.
4. The method of claim 2, wherein the driving the headrest from the current position to a target position with the drive compensation signal comprises:
and inputting the driving compensation signal into a motion module so as to enable the motion module to generate a driving force, wherein the driving force is used for pushing the headrest to move to the target position.
5. The method according to claim 1, wherein the acquiring the corresponding angular fluctuation amount of the plate roller comprises:
and acquiring the angle fluctuation amount according to the expected rotation angle of the plate roller and a second feedback signal fed back by the auxiliary encoder.
6. The method according to claim 5, wherein said second feedback signal carries a current rotation angle of said plate roller, and said obtaining said amount of angular fluctuation from a desired rotation angle of said plate roller and a second feedback signal fed back by an auxiliary encoder comprises:
acquiring an angle difference value between the expected rotation angle of the printing roller and the current rotation angle of the printing roller;
and acquiring the angle fluctuation amount according to the angle difference value.
7. The method according to any one of claims 1 to 6, further comprising:
and driving an engraving head to reciprocate along the axial direction of the plate roller and simultaneously perpendicular to the cylindrical surface of the plate roller according to an engraving control signal so as to form a mesh on the plate roller, wherein the engraving control signal corresponds to a pattern to be processed of an electric engraving control system.
8. A compensating apparatus for adjusting an engraving position, comprising:
the fluctuation acquisition module is used for acquiring the angular fluctuation amount of the printing roller in the rotation process;
the position acquisition module is used for acquiring the current position of the backup head relative to the plate roller according to the first feedback signal of the encoder;
and the driving module is used for moving the backup head from the current position to a target position according to the angle fluctuation amount so as to enable the engraving head connected with the backup head to move to the expected engraving position of the plate roller.
9. An electronic engraving control system comprising a memory and a processor, the memory having stored therein a computer program, which, when executed by the processor, causes the processor to execute the steps of the method of compensating for adjusted engraving position according to any one of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
CN202011323098.6A 2020-11-23 2020-11-23 Compensation method and device for adjusting carving position and electric carving control system Pending CN112453516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011323098.6A CN112453516A (en) 2020-11-23 2020-11-23 Compensation method and device for adjusting carving position and electric carving control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011323098.6A CN112453516A (en) 2020-11-23 2020-11-23 Compensation method and device for adjusting carving position and electric carving control system

Publications (1)

Publication Number Publication Date
CN112453516A true CN112453516A (en) 2021-03-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011323098.6A Pending CN112453516A (en) 2020-11-23 2020-11-23 Compensation method and device for adjusting carving position and electric carving control system

Country Status (1)

Country Link
CN (1) CN112453516A (en)

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